./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4171100442 <...> .> [pid 5760] 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"..., 524288 [pid 5754] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5759] close(3 [pid 5754] <... futex resumed>) = 0 [pid 5753] exit_group(0 [pid 5069] umount2("./54/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5759] <... close resumed>) = 0 [pid 5753] <... exit_group resumed>) = ? [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5759] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5754] +++ exited with 0 +++ [pid 5069] openat(AT_FDCWD, "./54/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5759] <... mkdir resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5069] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(4, [pid 5761] munmap(0x7fdb7f81d000, 138412032 [pid 5759] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5753] +++ exited with 0 +++ [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5753, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5761] <... munmap resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] restart_syscall(<... resuming interrupted clone ...> [pid 5069] close(4 [pid 5064] <... restart_syscall resumed>) = 0 [pid 5761] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... close resumed>) = 0 [ 148.268121][ T5759] loop2: detected capacity change from 0 to 1024 [pid 5069] rmdir("./54/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5761] <... openat resumed>) = 4 [pid 5760] <... write resumed>) = 524288 [pid 5759] <... mount resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5064] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5762] <... write resumed>) = 524288 [pid 5761] ioctl(4, LOOP_SET_FD, 3 [pid 5759] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5762] munmap(0x7fdb7f81d000, 138412032 [pid 5760] munmap(0x7fdb7f81d000, 138412032 [pid 5064] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5760] <... munmap resumed>) = 0 [pid 5064] newfstatat(3, "", [pid 5762] <... munmap resumed>) = 0 [pid 5760] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5760] <... openat resumed>) = 4 [pid 5064] getdents64(3, [pid 5760] ioctl(4, LOOP_SET_FD, 3 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5759] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5759] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] newfstatat(AT_FDCWD, "./54/binderfs", [pid 5064] umount2("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5759] <... chdir resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5759] ioctl(4, LOOP_CLR_FD [pid 5069] unlink("./54/binderfs" [pid 5759] <... ioctl resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5762] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5760] <... ioctl resumed>) = 0 [pid 5064] <... umount2 resumed>) = 0 [pid 5760] close(3 [pid 5762] <... openat resumed>) = 4 [pid 5761] <... ioctl resumed>) = 0 [pid 5760] <... close resumed>) = 0 [pid 5761] close(3 [pid 5760] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5759] close(4 [ 148.332203][ T5761] loop3: detected capacity change from 0 to 1024 [ 148.347773][ T5760] loop4: detected capacity change from 0 to 1024 [pid 5069] getdents64(3, [pid 5761] <... close resumed>) = 0 [pid 5760] <... mkdir resumed>) = 0 [pid 5759] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5761] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5759] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] close(3 [pid 5761] <... mkdir resumed>) = 0 [pid 5759] <... futex resumed>) = 1 [pid 5756] <... futex resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5759] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5756] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] rmdir("./54" [pid 5762] ioctl(4, LOOP_SET_FD, 3 [pid 5759] <... mknod resumed>) = 0 [pid 5756] <... futex resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5761] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5759] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5756] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5759] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5756] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5759] <... futex resumed>) = 0 [pid 5756] <... futex resumed>) = 1 [pid 5069] mkdir("./55", 0777 [pid 5760] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5759] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5756] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... mkdir resumed>) = 0 [pid 5064] umount2("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5761] <... mount resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5762] <... ioctl resumed>) = 0 [pid 5761] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] <... openat resumed>) = 3 [pid 5064] newfstatat(AT_FDCWD, "./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5762] close(3) = 0 [pid 5761] <... openat resumed>) = 3 [pid 5760] <... mount resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5762] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5760] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] umount2("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5759] <... open resumed>) = 4 [pid 5069] close(3 [pid 5762] <... mkdir resumed>) = 0 [pid 5761] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5760] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5761] <... chdir resumed>) = 0 [pid 5760] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5759] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] openat(AT_FDCWD, "./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5761] ioctl(4, LOOP_CLR_FD [pid 5760] <... chdir resumed>) = 0 [pid 5762] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5761] <... ioctl resumed>) = 0 [pid 5760] ioctl(4, LOOP_CLR_FD [pid 5064] <... openat resumed>) = 4 [pid 5761] close(4 [pid 5760] <... ioctl resumed>) = 0 [pid 5759] <... futex resumed>) = 1 [pid 5064] newfstatat(4, "", [pid 5761] <... close resumed>) = 0 [pid 5760] close(4 [pid 5759] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5756] <... futex resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5761] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] <... close resumed>) = 0 [pid 5759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5756] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] getdents64(4, [pid 5761] <... futex resumed>) = 1 [pid 5760] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [ 148.378330][ T5762] loop1: detected capacity change from 0 to 1024 [pid 5759] sync( [pid 5758] <... futex resumed>) = 0 [pid 5756] <... futex resumed>) = 0 [pid 5761] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5760] <... futex resumed>) = 1 [pid 5758] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5755] <... futex resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5760] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5758] <... futex resumed>) = 0 [pid 5755] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5763 [pid 5064] getdents64(4, ./strace-static-x86_64: Process 5763 attached [pid 5761] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5758] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5755] <... futex resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5763] set_robust_list(0x5555556c56a0, 24 [pid 5761] <... mknod resumed>) = 0 [pid 5760] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5755] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5763] <... set_robust_list resumed>) = 0 [pid 5761] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] <... mknod resumed>) = 0 [pid 5064] close(4 [pid 5760] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... close resumed>) = 0 [pid 5761] <... futex resumed>) = 1 [pid 5760] <... futex resumed>) = 1 [pid 5758] <... futex resumed>) = 0 [pid 5755] <... futex resumed>) = 0 [pid 5064] rmdir("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5755] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5761] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5758] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... rmdir resumed>) = 0 [pid 5761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5758] <... futex resumed>) = 0 [pid 5755] <... futex resumed>) = 0 [pid 5761] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5758] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5755] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5760] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5763] chdir("./55" [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5763] <... chdir resumed>) = 0 [pid 5064] newfstatat(AT_FDCWD, "./55/binderfs", [pid 5763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5763] setpgid(0, 0) = 0 [pid 5761] <... open resumed>) = 4 [pid 5064] unlink("./55/binderfs" [pid 5763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5761] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... unlink resumed>) = 0 [pid 5763] <... openat resumed>) = 3 [pid 5762] <... mount resumed>) = 0 [pid 5761] <... futex resumed>) = 1 [pid 5758] <... futex resumed>) = 0 [pid 5758] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5758] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5761] sync( [pid 5763] write(3, "1000", 4) = 4 [pid 5763] close(3) = 0 [pid 5763] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5756] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5763] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5762] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5064] getdents64(3, [pid 5763] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5762] <... openat resumed>) = 3 [pid 5763] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5763] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5762] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] close(3 [pid 5763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5762] <... chdir resumed>) = 0 [pid 5760] <... open resumed>) = 4 [pid 5755] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5064] <... close resumed>) = 0 [pid 5762] ioctl(4, LOOP_CLR_FD [pid 5760] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5755] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] <... ioctl resumed>) = 0 [pid 5064] rmdir("./55" [pid 5762] close(4 [pid 5760] <... futex resumed>) = 0 [pid 5755] <... futex resumed>) = 0 [pid 5763] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5762] <... close resumed>) = 0 [pid 5760] sync( [pid 5755] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... rmdir resumed>) = 0 [pid 5762] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] mkdir("./56", 0777 [pid 5762] <... futex resumed>) = 1 [pid 5757] <... futex resumed>) = 0 [pid 5757] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5762] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5758] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5757] <... futex resumed>) = 0 [pid 5757] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5763] <... mprotect resumed>) = 0 [pid 5762] <... mknod resumed>) = 0 [pid 5759] <... sync resumed>) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 5763] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5759] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5756] exit_group(0 [pid 5759] <... futex resumed>) = 230 [pid 5756] <... exit_group resumed>) = ? [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5763] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5762] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5763] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} => {parent_tid=[5764]}, 88) = 5764 [pid 5763] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5764 attached NULL, 8) = 0 [pid 5762] <... futex resumed>) = 1 [pid 5761] <... sync resumed>) = 0 [pid 5760] <... sync resumed>) = 0 [pid 5759] +++ exited with 0 +++ [pid 5757] <... futex resumed>) = 0 [pid 5756] +++ exited with 0 +++ [pid 5064] <... openat resumed>) = 3 [pid 5764] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5763] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5762] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5761] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5760] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5758] exit_group(0 [pid 5757] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5756, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5764] <... rseq resumed>) = 0 [pid 5763] <... futex resumed>) = 0 [pid 5761] <... futex resumed>) = ? [pid 5758] <... exit_group resumed>) = ? [pid 5757] <... futex resumed>) = 0 [pid 5764] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5763] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5761] +++ exited with 0 +++ [pid 5760] <... futex resumed>) = 1 [pid 5758] +++ exited with 0 +++ [pid 5757] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5755] <... futex resumed>) = 0 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5764] <... set_robust_list resumed>) = 0 [pid 5066] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5755] exit_group(0 [pid 5764] rt_sigprocmask(SIG_SETMASK, [], [pid 5755] <... exit_group resumed>) = ? [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5764] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5758, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5764] memfd_create("syzkaller", 0) = 3 [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5764] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5067] <... restart_syscall resumed>) = 0 [pid 5764] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5764] 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"..., 524288 [pid 5066] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5762] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5067] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] close(3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... openat resumed>) = 3 [pid 5067] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] newfstatat(3, "", [pid 5066] newfstatat(3, "", [pid 5064] <... close resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, [pid 5760] +++ exited with 0 +++ [pid 5755] +++ exited with 0 +++ [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5755, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5067] umount2("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] getdents64(3, [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5066] umount2("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5765 ./strace-static-x86_64: Process 5765 attached [pid 5765] set_robust_list(0x5555556c56a0, 24) = 0 [pid 5765] chdir("./56") = 0 [pid 5765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5765] setpgid(0, 0) = 0 [pid 5765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5765] <... openat resumed>) = 3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... umount2 resumed>) = 0 [pid 5757] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5765] write(3, "1000", 4) = 4 [pid 5765] close(3) = 0 [pid 5765] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5068] <... openat resumed>) = 3 [pid 5765] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(3, "", [pid 5765] <... futex resumed>) = 0 [pid 5765] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5765] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5764] <... write resumed>) = 524288 [pid 5765] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5757] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5066] umount2("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5762] <... open resumed>) = 4 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5765] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5762] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] <... mmap resumed>) = 0x7fdb87bfc000 [pid 5068] getdents64(3, [pid 5066] newfstatat(AT_FDCWD, "./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5765] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5762] <... futex resumed>) = 0 [pid 5757] mprotect(0x7fdb87bfd000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5765] <... mprotect resumed>) = 0 [pid 5762] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5765] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5764] munmap(0x7fdb7f81d000, 138412032 [pid 5757] <... mprotect resumed>) = 0 [pid 5068] umount2("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5765] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5764] <... munmap resumed>) = 0 [pid 5757] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] umount2("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5765] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5764] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5757] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5764] <... openat resumed>) = 4 [pid 5757] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c1c990, parent_tid=0x7fdb87c1c990, exit_signal=0, stack=0x7fdb87bfc000, stack_size=0x20300, tls=0x7fdb87c1c6c0} [pid 5067] newfstatat(AT_FDCWD, "./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] umount2("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5767 attached [pid 5765] <... clone3 resumed> => {parent_tid=[5766]}, 88) = 5766 [pid 5764] ioctl(4, LOOP_SET_FD, 3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5767] rseq(0x7fdb87c1cfe0, 0x20, 0, 0x53053053 [pid 5757] <... clone3 resumed> => {parent_tid=[5767]}, 88) = 5767 [pid 5067] umount2("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] openat(AT_FDCWD, "./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5766 attached [pid 5765] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5757] rt_sigprocmask(SIG_SETMASK, [], [pid 5767] <... rseq resumed>) = 0 [pid 5766] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5765] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5757] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] openat(AT_FDCWD, "./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... openat resumed>) = 4 [pid 5766] <... rseq resumed>) = 0 [pid 5765] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5757] futex(0x7fdb87d096b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... openat resumed>) = 4 [pid 5066] newfstatat(4, "", [pid 5766] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5765] <... futex resumed>) = 0 [pid 5757] <... futex resumed>) = 0 [pid 5067] newfstatat(4, "", [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5766] <... set_robust_list resumed>) = 0 [pid 5765] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(4, [pid 5766] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] getdents64(4, [pid 5766] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5766] memfd_create("syzkaller", 0 [pid 5067] getdents64(4, [pid 5766] <... memfd_create resumed>) = 3 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] getdents64(4, [pid 5766] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5067] close(4 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5766] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5067] <... close resumed>) = 0 [pid 5066] close(4 [pid 5766] 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"..., 524288 [pid 5067] rmdir("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] <... close resumed>) = 0 [pid 5767] set_robust_list(0x7fdb87c1c9a0, 24 [pid 5764] <... ioctl resumed>) = 0 [pid 5757] futex(0x7fdb87d096bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... rmdir resumed>) = 0 [pid 5066] rmdir("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5767] <... set_robust_list resumed>) = 0 [pid 5067] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... rmdir resumed>) = 0 [pid 5767] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] newfstatat(AT_FDCWD, "./55/binderfs", [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5764] close(3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5764] <... close resumed>) = 0 [pid 5067] unlink("./55/binderfs" [pid 5066] newfstatat(AT_FDCWD, "./55/binderfs", [pid 5764] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5067] <... unlink resumed>) = 0 [pid 5764] <... mkdir resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] unlink("./55/binderfs" [pid 5767] sync( [pid 5066] <... unlink resumed>) = 0 [pid 5764] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] getdents64(3, [pid 5066] getdents64(3, [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] close(3 [pid 5066] close(3 [pid 5067] <... close resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5067] rmdir("./55" [pid 5066] rmdir("./55" [pid 5067] <... rmdir resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [ 148.672434][ T5764] loop5: detected capacity change from 0 to 1024 [pid 5066] mkdir("./56", 0777 [pid 5067] mkdir("./56", 0777 [pid 5766] <... write resumed>) = 524288 [pid 5757] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] <... mkdir resumed>) = 0 [pid 5066] <... mkdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5068] <... umount2 resumed>) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5766] munmap(0x7fdb7f81d000, 138412032 [pid 5764] <... mount resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5766] <... munmap resumed>) = 0 [pid 5764] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5764] <... openat resumed>) = 3 [pid 5764] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5764] ioctl(4, LOOP_CLR_FD [pid 5066] close(3 [pid 5764] <... ioctl resumed>) = 0 [pid 5068] umount2("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... close resumed>) = 0 [pid 5764] close(4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5764] <... close resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5764] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5766] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5764] <... futex resumed>) = 1 [pid 5763] <... futex resumed>) = 0 [pid 5068] umount2("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5766] <... openat resumed>) = 4 [pid 5764] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5763] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 3 [pid 5764] <... mknod resumed>) = 0 [pid 5763] <... futex resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5763] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... openat resumed>) = 4 [pid 5766] ioctl(4, LOOP_SET_FD, 3 [pid 5764] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5763] <... futex resumed>) = 0 [pid 5068] newfstatat(4, "", [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5768 ./strace-static-x86_64: Process 5768 attached [pid 5763] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5768] set_robust_list(0x5555556c56a0, 24 [pid 5763] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] close(3 [pid 5763] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(4, [pid 5768] <... set_robust_list resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5768] chdir("./56" [pid 5764] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5068] getdents64(4, [pid 5067] <... close resumed>) = 0 [pid 5768] <... chdir resumed>) = 0 [pid 5767] <... sync resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5767] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] close(4) = 0 [pid 5068] rmdir("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5767] <... futex resumed>) = 0 [pid 5068] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5769 attached [pid 5768] <... prctl resumed>) = 0 [pid 5767] futex(0x7fdb87d096b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5764] <... open resumed>) = 4 [pid 5757] exit_group(0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5767] <... futex resumed>) = ? [pid 5762] <... futex resumed>) = ? [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 5769 [pid 5767] +++ exited with 0 +++ [pid 5757] <... exit_group resumed>) = ? [pid 5769] set_robust_list(0x5555556c56a0, 24 [pid 5764] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(AT_FDCWD, "./56/binderfs", [pid 5769] <... set_robust_list resumed>) = 0 [pid 5768] setpgid(0, 0 [pid 5764] <... futex resumed>) = 1 [pid 5763] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5769] chdir("./56" [pid 5768] <... setpgid resumed>) = 0 [pid 5764] sync( [pid 5763] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] unlink("./56/binderfs" [pid 5769] <... chdir resumed>) = 0 [ 148.794719][ T5766] loop0: detected capacity change from 0 to 1024 [pid 5768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5766] <... ioctl resumed>) = 0 [pid 5763] <... futex resumed>) = 0 [pid 5762] +++ exited with 0 +++ [pid 5757] +++ exited with 0 +++ [pid 5068] <... unlink resumed>) = 0 [pid 5769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5763] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5757, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5769] <... prctl resumed>) = 0 [pid 5769] setpgid(0, 0 [pid 5766] close(3 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5769] <... setpgid resumed>) = 0 [pid 5768] <... openat resumed>) = 3 [pid 5766] <... close resumed>) = 0 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5768] write(3, "1000", 4 [pid 5766] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5764] <... sync resumed>) = 0 [pid 5068] getdents64(3, [pid 5769] <... openat resumed>) = 3 [pid 5768] <... write resumed>) = 4 [pid 5764] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5769] write(3, "1000", 4 [pid 5768] close(3 [pid 5766] <... mkdir resumed>) = 0 [pid 5764] <... futex resumed>) = 1 [pid 5763] <... futex resumed>) = 0 [pid 5769] <... write resumed>) = 4 [pid 5768] <... close resumed>) = 0 [pid 5764] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5763] exit_group(0 [pid 5769] close(3 [pid 5768] symlink("/dev/binderfs", "./binderfs" [pid 5764] <... futex resumed>) = ? [pid 5763] <... exit_group resumed>) = ? [pid 5065] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5769] <... close resumed>) = 0 [pid 5768] <... symlink resumed>) = 0 [pid 5766] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5068] close(3 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5769] symlink("/dev/binderfs", "./binderfs" [pid 5768] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5769] <... symlink resumed>) = 0 [pid 5768] <... futex resumed>) = 0 [pid 5764] +++ exited with 0 +++ [pid 5763] +++ exited with 0 +++ [pid 5068] rmdir("./56" [pid 5065] <... openat resumed>) = 3 [pid 5768] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5763, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5068] <... rmdir resumed>) = 0 [pid 5065] newfstatat(3, "", [pid 5768] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5768] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] mkdir("./57", 0777 [pid 5065] getdents64(3, [pid 5768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5766] <... mount resumed>) = 0 [pid 5769] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5065] umount2("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5769] <... futex resumed>) = 0 [pid 5768] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5766] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5769] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5768] <... mprotect resumed>) = 0 [pid 5766] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... openat resumed>) = 3 [pid 5769] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5766] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5769] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5768] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5069] <... openat resumed>) = 3 [pid 5769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5768] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5768] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5068] close(3) = 0 [pid 5769] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5769] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5768] <... clone3 resumed> => {parent_tid=[5770]}, 88) = 5770 [pid 5769] <... mprotect resumed>) = 0 [pid 5768] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5770 attached [pid 5769] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5770] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5768] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5770] <... rseq resumed>) = 0 [pid 5769] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5768] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5768] <... futex resumed>) = 0 [pid 5766] <... chdir resumed>) = 0 [pid 5069] newfstatat(3, "", ./strace-static-x86_64: Process 5771 attached [pid 5770] <... set_robust_list resumed>) = 0 [pid 5769] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5768] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5766] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 5772 attached [pid 5771] set_robust_list(0x5555556c56a0, 24 [pid 5770] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5771 [pid 5772] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5771] <... set_robust_list resumed>) = 0 [pid 5770] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5772] <... rseq resumed>) = 0 [pid 5771] chdir("./57" [pid 5770] memfd_create("syzkaller", 0 [pid 5772] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 5772] rt_sigprocmask(SIG_SETMASK, [], [pid 5771] <... chdir resumed>) = 0 [pid 5770] <... memfd_create resumed>) = 3 [pid 5769] <... clone3 resumed> => {parent_tid=[5772]}, 88) = 5772 [pid 5771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5770] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5769] rt_sigprocmask(SIG_SETMASK, [], [pid 5766] <... ioctl resumed>) = 0 [pid 5771] <... prctl resumed>) = 0 [pid 5770] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5772] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5771] setpgid(0, 0 [pid 5769] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] memfd_create("syzkaller", 0 [pid 5771] <... setpgid resumed>) = 0 [pid 5770] 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"..., 524288 [pid 5769] <... futex resumed>) = 0 [pid 5069] getdents64(3, [pid 5772] <... memfd_create resumed>) = 3 [pid 5771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] <... umount2 resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] umount2("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5772] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5771] <... openat resumed>) = 3 [pid 5769] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] umount2("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5772] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5771] write(3, "1000", 4 [pid 5065] newfstatat(AT_FDCWD, "./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5772] 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"..., 524288 [pid 5771] <... write resumed>) = 4 [pid 5771] close(3 [pid 5766] close(4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5766] <... close resumed>) = 0 [pid 5766] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5765] <... futex resumed>) = 0 [pid 5065] umount2("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5766] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5771] <... close resumed>) = 0 [pid 5765] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5771] symlink("/dev/binderfs", "./binderfs" [pid 5766] <... futex resumed>) = 0 [pid 5765] <... futex resumed>) = 1 [pid 5771] <... symlink resumed>) = 0 [pid 5766] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5765] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5771] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5771] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5771] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5766] <... mknod resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 5771] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5771] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5771] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 5773 attached [pid 5770] <... write resumed>) = 524288 [pid 5065] <... openat resumed>) = 4 [pid 5773] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053) = 0 [pid 5773] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5771] <... clone3 resumed> => {parent_tid=[5773]}, 88) = 5773 [pid 5773] <... set_robust_list resumed>) = 0 [pid 5772] <... write resumed>) = 524288 [pid 5771] rt_sigprocmask(SIG_SETMASK, [], [pid 5770] munmap(0x7fdb7f81d000, 138412032 [pid 5773] rt_sigprocmask(SIG_SETMASK, [], [pid 5766] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(4, "", [pid 5773] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5766] <... futex resumed>) = 1 [pid 5765] <... futex resumed>) = 0 [pid 5773] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5766] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5765] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5771] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5770] <... munmap resumed>) = 0 [pid 5766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5765] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5771] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] getdents64(4, [pid 5773] <... futex resumed>) = 0 [pid 5771] <... futex resumed>) = 1 [pid 5765] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5773] memfd_create("syzkaller", 0 [pid 5771] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5773] <... memfd_create resumed>) = 3 [pid 5772] munmap(0x7fdb7f81d000, 138412032 [pid 5773] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5772] <... munmap resumed>) = 0 [pid 5773] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5770] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5766] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5069] newfstatat(AT_FDCWD, "./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5770] <... openat resumed>) = 4 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5770] ioctl(4, LOOP_SET_FD, 3 [pid 5069] umount2("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5773] 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"..., 524288 [pid 5772] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5772] ioctl(4, LOOP_SET_FD, 3 [pid 5069] openat(AT_FDCWD, "./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] close(4 [pid 5772] <... ioctl resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5065] <... close resumed>) = 0 [pid 5065] rmdir("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5065] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5766] <... open resumed>) = 4 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(4, "", [pid 5065] newfstatat(AT_FDCWD, "./55/binderfs", [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5766] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5766] <... futex resumed>) = 1 [pid 5765] <... futex resumed>) = 0 [pid 5069] getdents64(4, [pid 5065] unlink("./55/binderfs" [pid 5766] sync( [pid 5765] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] <... ioctl resumed>) = 0 [pid 5765] <... futex resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] <... unlink resumed>) = 0 [pid 5765] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] getdents64(4, [pid 5065] getdents64(3, [pid 5770] close(3) = 0 [pid 5770] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 5770] <... mkdir resumed>) = 0 [pid 5766] <... sync resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5770] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5766] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] rmdir("./55/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5773] <... write resumed>) = 524288 [pid 5772] close(3 [ 149.049841][ T5770] loop2: detected capacity change from 0 to 1024 [ 149.067259][ T5772] loop3: detected capacity change from 0 to 1024 [pid 5065] close(3 [pid 5773] munmap(0x7fdb7f81d000, 138412032 [pid 5772] <... close resumed>) = 0 [pid 5773] <... munmap resumed>) = 0 [pid 5772] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5766] <... futex resumed>) = 1 [pid 5765] <... futex resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5772] <... mkdir resumed>) = 0 [pid 5766] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5765] exit_group(0 [pid 5069] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] rmdir("./55" [pid 5773] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5772] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5766] <... futex resumed>) = ? [pid 5765] <... exit_group resumed>) = ? [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5773] <... openat resumed>) = 4 [pid 5069] newfstatat(AT_FDCWD, "./55/binderfs", [pid 5065] <... rmdir resumed>) = 0 [pid 5773] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5773] <... ioctl resumed>) = 0 [pid 5772] <... mount resumed>) = 0 [pid 5770] <... mount resumed>) = 0 [pid 5766] +++ exited with 0 +++ [pid 5765] +++ exited with 0 +++ [pid 5069] unlink("./55/binderfs" [pid 5065] mkdir("./56", 0777 [pid 5770] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] <... unlink resumed>) = 0 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5765, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5773] close(3 [pid 5772] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5770] <... openat resumed>) = 3 [pid 5065] <... mkdir resumed>) = 0 [pid 5773] <... close resumed>) = 0 [pid 5772] <... openat resumed>) = 3 [pid 5770] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] getdents64(3, [pid 5770] <... chdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5770] ioctl(4, LOOP_CLR_FD [pid 5069] close(3 [pid 5773] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5772] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5770] <... ioctl resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5064] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5772] <... chdir resumed>) = 0 [pid 5770] close(4 [pid 5069] <... close resumed>) = 0 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5770] <... close resumed>) = 0 [pid 5069] rmdir("./55" [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5773] <... mkdir resumed>) = 0 [pid 5772] ioctl(4, LOOP_CLR_FD [pid 5770] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... rmdir resumed>) = 0 [pid 5065] close(3 [pid 5064] <... openat resumed>) = 3 [pid 5772] <... ioctl resumed>) = 0 [pid 5770] <... futex resumed>) = 1 [pid 5768] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5064] newfstatat(3, "", [pid 5770] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5768] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5773] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5772] close(4 [pid 5770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5768] <... futex resumed>) = 0 [pid 5069] mkdir("./56", 0777 [pid 5064] getdents64(3, [pid 5770] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] umount2("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5772] <... close resumed>) = 0 [pid 5770] <... mknod resumed>) = 0 [pid 5768] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... mkdir resumed>) = 0 [ 149.121063][ T5773] loop4: detected capacity change from 0 to 1024 [pid 5772] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5770] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5064] <... umount2 resumed>) = 0 [pid 5772] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5770] <... futex resumed>) = 1 [pid 5769] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5770] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5769] <... futex resumed>) = 0 [pid 5768] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5769] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5768] <... futex resumed>) = 0 [pid 5770] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5768] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3./strace-static-x86_64: Process 5774 attached ) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5774 [pid 5774] set_robust_list(0x5555556c56a0, 24 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5774] <... set_robust_list resumed>) = 0 [pid 5774] chdir("./56") = 0 [pid 5774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5774] setpgid(0, 0) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5775 [pid 5774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5772] <... mknod resumed>) = 0 [pid 5774] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5775 attached [pid 5775] set_robust_list(0x5555556c56a0, 24 [pid 5774] write(3, "1000", 4 [pid 5775] <... set_robust_list resumed>) = 0 [pid 5774] <... write resumed>) = 4 [pid 5064] umount2("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5775] chdir("./56" [pid 5774] close(3 [pid 5772] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5775] <... chdir resumed>) = 0 [pid 5774] <... close resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5774] symlink("/dev/binderfs", "./binderfs" [pid 5772] <... futex resumed>) = 1 [pid 5769] <... futex resumed>) = 0 [pid 5064] newfstatat(AT_FDCWD, "./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5775] <... prctl resumed>) = 0 [pid 5774] <... symlink resumed>) = 0 [pid 5773] <... mount resumed>) = 0 [pid 5769] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5775] setpgid(0, 0 [pid 5773] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5769] <... futex resumed>) = 0 [pid 5775] <... setpgid resumed>) = 0 [pid 5774] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] umount2("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5774] <... futex resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5775] <... openat resumed>) = 3 [pid 5774] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5769] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5773] <... openat resumed>) = 3 [pid 5064] openat(AT_FDCWD, "./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5775] write(3, "1000", 4 [pid 5774] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5773] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5772] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5064] <... openat resumed>) = 4 [pid 5775] <... write resumed>) = 4 [pid 5774] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5775] close(3) = 0 [pid 5774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5775] symlink("/dev/binderfs", "./binderfs" [pid 5773] <... chdir resumed>) = 0 [pid 5064] newfstatat(4, "", [pid 5775] <... symlink resumed>) = 0 [pid 5774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5773] ioctl(4, LOOP_CLR_FD [pid 5774] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5773] <... ioctl resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5775] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5774] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5770] <... open resumed>) = 4 [pid 5773] close(4 [pid 5775] <... futex resumed>) = 0 [pid 5774] <... mprotect resumed>) = 0 [pid 5064] getdents64(4, [pid 5775] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5774] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5773] <... close resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5775] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5773] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5775] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5064] getdents64(4, [pid 5775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5773] <... futex resumed>) = 1 [pid 5771] <... futex resumed>) = 0 [pid 5770] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5774] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5773] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5771] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5770] <... futex resumed>) = 1 [pid 5768] <... futex resumed>) = 0 [pid 5064] close(4 [pid 5775] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5775] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5064] <... close resumed>) = 0 [pid 5775] <... mprotect resumed>) = 0 [pid 5775] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5774] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5064] rmdir("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5064] <... rmdir resumed>) = 0 [pid 5774] <... clone3 resumed> => {parent_tid=[5776]}, 88) = 5776 ./strace-static-x86_64: Process 5777 attached ./strace-static-x86_64: Process 5776 attached [pid 5775] <... clone3 resumed> => {parent_tid=[5777]}, 88) = 5777 [pid 5774] rt_sigprocmask(SIG_SETMASK, [], [pid 5777] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5776] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5775] rt_sigprocmask(SIG_SETMASK, [], [pid 5774] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5771] <... futex resumed>) = 0 [pid 5770] sync( [pid 5768] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5777] <... rseq resumed>) = 0 [pid 5776] <... rseq resumed>) = 0 [pid 5775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5774] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... mknod resumed>) = 0 [pid 5771] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5768] <... futex resumed>) = 0 [pid 5777] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5776] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5775] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5774] <... futex resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5777] <... set_robust_list resumed>) = 0 [pid 5776] <... set_robust_list resumed>) = 0 [pid 5775] <... futex resumed>) = 0 [pid 5774] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5777] rt_sigprocmask(SIG_SETMASK, [], [pid 5776] rt_sigprocmask(SIG_SETMASK, [], [pid 5775] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5064] newfstatat(AT_FDCWD, "./56/binderfs", [pid 5777] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5773] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5768] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5777] memfd_create("syzkaller", 0 [pid 5776] memfd_create("syzkaller", 0 [pid 5773] <... futex resumed>) = 1 [pid 5771] <... futex resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5776] <... memfd_create resumed>) = 3 [pid 5772] <... open resumed>) = 4 [pid 5777] <... memfd_create resumed>) = 3 [pid 5776] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5771] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5064] unlink("./56/binderfs" [pid 5777] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5776] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5772] <... futex resumed>) = 1 [pid 5771] <... futex resumed>) = 0 [pid 5769] <... futex resumed>) = 0 [pid 5064] <... unlink resumed>) = 0 [pid 5777] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5772] sync( [pid 5771] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5769] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5769] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5777] 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"..., 524288 [pid 5776] 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"..., 524288 [pid 5773] <... open resumed>) = 4 [pid 5064] getdents64(3, [pid 5773] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5773] <... futex resumed>) = 1 [pid 5771] <... futex resumed>) = 0 [pid 5064] close(3 [pid 5773] sync( [pid 5771] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5064] <... close resumed>) = 0 [pid 5064] rmdir("./56" [pid 5771] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... rmdir resumed>) = 0 [pid 5772] <... sync resumed>) = 0 [pid 5770] <... sync resumed>) = 0 [pid 5064] mkdir("./57", 0777 [pid 5768] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5770] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5772] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5770] <... futex resumed>) = 0 [pid 5769] <... futex resumed>) = 0 [pid 5768] exit_group(0 [pid 5770] ???( [pid 5769] exit_group(0 [pid 5768] <... exit_group resumed>) = ? [pid 5770] <... ??? resumed>) = ? [pid 5769] <... exit_group resumed>) = ? [pid 5064] <... mkdir resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5772] +++ exited with 0 +++ [pid 5769] +++ exited with 0 +++ [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5769, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5064] close(3 [pid 5777] <... write resumed>) = 524288 [pid 5770] +++ exited with 0 +++ [pid 5768] +++ exited with 0 +++ [pid 5064] <... close resumed>) = 0 [pid 5067] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5768, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5777] munmap(0x7fdb7f81d000, 138412032 [pid 5773] <... sync resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5773] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5777] <... munmap resumed>) = 0 [pid 5067] newfstatat(3, "", [pid 5771] <... futex resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5773] <... futex resumed>) = 1 [pid 5066] <... openat resumed>) = 3 [pid 5776] <... write resumed>) = 524288 [pid 5773] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5771] exit_group(0 [pid 5067] getdents64(3, ./strace-static-x86_64: Process 5778 attached [pid 5777] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5773] <... futex resumed>) = ? [pid 5771] <... exit_group resumed>) = ? [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] newfstatat(3, "", [pid 5778] set_robust_list(0x5555556c56a0, 24 [pid 5777] <... openat resumed>) = 4 [pid 5776] munmap(0x7fdb7f81d000, 138412032 [pid 5067] umount2("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5778 [pid 5778] <... set_robust_list resumed>) = 0 [pid 5066] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5778] chdir("./57" [pid 5066] umount2("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5778] <... chdir resumed>) = 0 [pid 5776] <... munmap resumed>) = 0 [pid 5776] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5776] <... openat resumed>) = 4 [pid 5776] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5778] <... prctl resumed>) = 0 [pid 5777] ioctl(4, LOOP_SET_FD, 3 [pid 5778] setpgid(0, 0 [pid 5777] <... ioctl resumed>) = 0 [pid 5773] +++ exited with 0 +++ [pid 5771] +++ exited with 0 +++ [pid 5778] <... setpgid resumed>) = 0 [pid 5778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5771, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5778] <... openat resumed>) = 3 [pid 5778] write(3, "1000", 4 [pid 5068] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5778] <... write resumed>) = 4 [pid 5778] close(3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5778] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5778] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... openat resumed>) = 3 [pid 5778] <... symlink resumed>) = 0 [pid 5068] newfstatat(3, "", [pid 5776] close(3) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5778] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5068] getdents64(3, [pid 5778] <... futex resumed>) = 0 [pid 5777] close(3 [pid 5776] <... mkdir resumed>) = 0 [pid 5066] <... umount2 resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5778] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5777] <... close resumed>) = 0 [pid 5776] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5777] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5777] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5778] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5778] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] umount2("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5776] <... mount resumed>) = 0 [pid 5776] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5776] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5776] ioctl(4, LOOP_CLR_FD) = 0 [pid 5776] close(4) = 0 [pid 5776] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 149.359106][ T5776] loop1: detected capacity change from 0 to 1024 [ 149.368029][ T5777] loop5: detected capacity change from 0 to 1024 [pid 5776] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5778] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5774] <... futex resumed>) = 0 [pid 5066] umount2("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5778] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5778] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5778] <... mprotect resumed>) = 0 [pid 5774] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] newfstatat(AT_FDCWD, "./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5778] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5776] <... futex resumed>) = 0 [pid 5774] <... futex resumed>) = 1 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5778] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5776] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5774] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] umount2("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5778] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5776] <... mknod resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5779 attached [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5779] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5778] <... clone3 resumed> => {parent_tid=[5779]}, 88) = 5779 [pid 5777] <... mount resumed>) = 0 [pid 5776] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] umount2("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] openat(AT_FDCWD, "./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5778] rt_sigprocmask(SIG_SETMASK, [], [pid 5777] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5776] <... futex resumed>) = 1 [pid 5774] <... futex resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5779] <... rseq resumed>) = 0 [pid 5778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5777] <... openat resumed>) = 3 [pid 5776] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5774] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] newfstatat(AT_FDCWD, "./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5779] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5778] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5777] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5774] <... futex resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] <... openat resumed>) = 4 [pid 5779] <... set_robust_list resumed>) = 0 [pid 5778] <... futex resumed>) = 0 [pid 5777] <... chdir resumed>) = 0 [pid 5774] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5779] rt_sigprocmask(SIG_SETMASK, [], [pid 5778] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5777] ioctl(4, LOOP_CLR_FD) = 0 [pid 5777] close(4 [pid 5067] umount2("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5777] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5776] <... open resumed>) = 4 [pid 5777] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5776] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... openat resumed>) = 4 [pid 5777] <... futex resumed>) = 1 [pid 5776] <... futex resumed>) = 1 [pid 5774] <... futex resumed>) = 0 [pid 5777] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5774] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] newfstatat(4, "", [pid 5776] sync( [pid 5775] <... futex resumed>) = 0 [pid 5774] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5779] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5775] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] newfstatat(4, "", [pid 5779] memfd_create("syzkaller", 0) = 3 [pid 5777] <... futex resumed>) = 0 [pid 5775] <... futex resumed>) = 1 [pid 5068] umount2("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(4, [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5779] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5777] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5775] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] getdents64(4, [pid 5779] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5777] <... mknod resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5067] getdents64(4, [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] close(4 [pid 5777] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... close resumed>) = 0 [pid 5777] <... futex resumed>) = 1 [pid 5775] <... futex resumed>) = 0 [pid 5068] umount2("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] rmdir("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5777] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5775] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... rmdir resumed>) = 0 [pid 5066] getdents64(4, [pid 5779] 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"..., 524288 [pid 5775] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5775] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] openat(AT_FDCWD, "./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] close(4 [pid 5068] <... openat resumed>) = 4 [pid 5067] newfstatat(AT_FDCWD, "./56/binderfs", [pid 5777] <... open resumed>) = 4 [pid 5068] newfstatat(4, "", [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] <... close resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] rmdir("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5777] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 5067] unlink("./56/binderfs" [pid 5777] <... futex resumed>) = 1 [pid 5775] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] <... unlink resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5777] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5775] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 5777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5775] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 5777] sync( [pid 5775] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] close(4 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5776] <... sync resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] close(3 [pid 5776] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] <... close resumed>) = 0 [pid 5776] <... futex resumed>) = 1 [pid 5774] <... futex resumed>) = 0 [pid 5776] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5774] exit_group(0 [pid 5067] rmdir("./56" [pid 5776] <... futex resumed>) = ? [pid 5774] <... exit_group resumed>) = ? [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./56/binderfs", [pid 5776] +++ exited with 0 +++ [pid 5774] +++ exited with 0 +++ [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] mkdir("./57", 0777 [pid 5068] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5774, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] unlink("./56/binderfs" [pid 5065] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5779] <... write resumed>) = 524288 [pid 5068] newfstatat(AT_FDCWD, "./57/binderfs", [pid 5067] <... mkdir resumed>) = 0 [pid 5066] <... unlink resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5779] munmap(0x7fdb7f81d000, 138412032 [pid 5068] unlink("./57/binderfs" [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5066] getdents64(3, [pid 5065] newfstatat(3, "", [pid 5777] <... sync resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(3, [pid 5066] close(3 [pid 5779] <... munmap resumed>) = 0 [pid 5777] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5065] getdents64(3, [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5779] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5066] <... close resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5779] <... openat resumed>) = 4 [pid 5068] close(3 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5777] <... futex resumed>) = 1 [pid 5775] <... futex resumed>) = 0 [pid 5775] exit_group(0) = ? [pid 5779] ioctl(4, LOOP_SET_FD, 3 [pid 5068] <... close resumed>) = 0 [pid 5066] rmdir("./56" [pid 5065] umount2("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] rmdir("./57" [pid 5067] close(3 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5777] +++ exited with 0 +++ [pid 5775] +++ exited with 0 +++ [pid 5068] mkdir("./58", 0777 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5775, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5068] <... mkdir resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5069] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5780 attached [pid 5779] <... ioctl resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5066] mkdir("./57", 0777 [pid 5780] set_robust_list(0x5555556c56a0, 24 [pid 5779] close(3 [pid 5069] <... openat resumed>) = 3 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 5780 [pid 5779] <... close resumed>) = 0 [pid 5779] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5066] <... mkdir resumed>) = 0 [pid 5069] newfstatat(3, "", [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5779] <... mkdir resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] <... openat resumed>) = 3 [pid 5069] getdents64(3, [pid 5780] <... set_robust_list resumed>) = 0 [pid 5779] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5068] close(3 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5065] <... umount2 resumed>) = 0 [pid 5780] chdir("./57" [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] <... close resumed>) = 0 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5780] <... chdir resumed>) = 0 [pid 5069] umount2("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] close(3 [pid 5780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5780] setpgid(0, 0) = 0 [pid 5066] <... close resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5781 attached [pid 5780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5781 [pid 5781] set_robust_list(0x5555556c56a0, 24) = 0 [pid 5780] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5782 attached [ 149.542289][ T5779] loop0: detected capacity change from 0 to 1024 [pid 5781] chdir("./58" [pid 5780] write(3, "1000", 4 [pid 5069] <... umount2 resumed>) = 0 [pid 5065] umount2("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5782 [pid 5782] set_robust_list(0x5555556c56a0, 24 [pid 5780] <... write resumed>) = 4 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5782] <... set_robust_list resumed>) = 0 [pid 5781] <... chdir resumed>) = 0 [pid 5780] close(3 [pid 5069] umount2("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(AT_FDCWD, "./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5782] chdir("./57" [pid 5781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5780] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5782] <... chdir resumed>) = 0 [pid 5781] <... prctl resumed>) = 0 [pid 5780] symlink("/dev/binderfs", "./binderfs" [pid 5069] newfstatat(AT_FDCWD, "./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] umount2("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5782] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5781] setpgid(0, 0 [pid 5780] <... symlink resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5782] <... prctl resumed>) = 0 [pid 5781] <... setpgid resumed>) = 0 [pid 5069] umount2("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5782] setpgid(0, 0 [pid 5781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5782] <... setpgid resumed>) = 0 [pid 5781] <... openat resumed>) = 3 [pid 5780] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... openat resumed>) = 4 [pid 5782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5781] write(3, "1000", 4 [pid 5780] <... futex resumed>) = 0 [pid 5065] newfstatat(4, "", [pid 5781] <... write resumed>) = 4 [pid 5780] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5069] <... openat resumed>) = 4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5782] <... openat resumed>) = 3 [pid 5781] close(3 [pid 5780] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5779] <... mount resumed>) = 0 [pid 5069] newfstatat(4, "", [pid 5065] getdents64(4, [pid 5781] <... close resumed>) = 0 [pid 5780] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5782] write(3, "1000", 4 [pid 5781] symlink("/dev/binderfs", "./binderfs" [pid 5780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5779] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5065] getdents64(4, [pid 5782] <... write resumed>) = 4 [pid 5781] <... symlink resumed>) = 0 [pid 5780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5779] <... openat resumed>) = 3 [pid 5069] getdents64(4, [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5780] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5782] close(3 [pid 5781] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5779] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] close(4 [pid 5782] <... close resumed>) = 0 [pid 5781] <... futex resumed>) = 0 [pid 5780] <... mprotect resumed>) = 0 [pid 5779] <... chdir resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5782] symlink("/dev/binderfs", "./binderfs" [pid 5781] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5780] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5779] ioctl(4, LOOP_CLR_FD [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] rmdir("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5782] <... symlink resumed>) = 0 [pid 5781] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5779] <... ioctl resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5781] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5780] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5779] close(4 [pid 5781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5780] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5779] <... close resumed>) = 0 ./strace-static-x86_64: Process 5783 attached [pid 5782] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5779] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] getdents64(4, [pid 5065] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5782] <... futex resumed>) = 0 [pid 5781] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5780] <... clone3 resumed> => {parent_tid=[5783]}, 88) = 5783 [pid 5779] <... futex resumed>) = 1 [pid 5778] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5782] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5781] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5780] rt_sigprocmask(SIG_SETMASK, [], [pid 5779] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5778] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5782] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5781] <... mprotect resumed>) = 0 [pid 5780] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5778] <... futex resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] newfstatat(AT_FDCWD, "./56/binderfs", [pid 5783] <... rseq resumed>) = 0 [pid 5782] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5781] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5780] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5778] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] close(4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5783] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5781] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5780] <... futex resumed>) = 0 [pid 5779] <... mknod resumed>) = 0 [pid 5065] unlink("./56/binderfs" [pid 5782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5781] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5780] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5783] <... set_robust_list resumed>) = 0 [pid 5782] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5069] <... close resumed>) = 0 [pid 5783] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] rmdir("./56/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5783] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5784 attached [pid 5782] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5781] <... clone3 resumed> => {parent_tid=[5784]}, 88) = 5784 [pid 5065] <... unlink resumed>) = 0 [pid 5784] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5783] memfd_create("syzkaller", 0 [pid 5782] <... mprotect resumed>) = 0 [pid 5781] rt_sigprocmask(SIG_SETMASK, [], [pid 5779] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] <... rseq resumed>) = 0 [pid 5782] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5781] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5779] <... futex resumed>) = 1 [pid 5778] <... futex resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5065] getdents64(3, [pid 5784] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5781] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5779] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5778] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5784] <... set_robust_list resumed>) = 0 [pid 5783] <... memfd_create resumed>) = 3 [pid 5782] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5781] <... futex resumed>) = 0 [pid 5778] <... futex resumed>) = 0 [pid 5069] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5784] rt_sigprocmask(SIG_SETMASK, [], [pid 5783] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5782] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5781] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5778] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] close(3 [pid 5784] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5783] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... close resumed>) = 0 ./strace-static-x86_64: Process 5785 attached [pid 5784] memfd_create("syzkaller", 0 [pid 5782] <... clone3 resumed> => {parent_tid=[5785]}, 88) = 5785 [pid 5069] newfstatat(AT_FDCWD, "./56/binderfs", [pid 5065] rmdir("./56" [pid 5785] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5784] <... memfd_create resumed>) = 3 [pid 5782] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5785] <... rseq resumed>) = 0 [pid 5784] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5779] <... open resumed>) = 4 [pid 5069] unlink("./56/binderfs" [pid 5785] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5784] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5782] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] mkdir("./57", 0777 [pid 5785] <... set_robust_list resumed>) = 0 [pid 5784] 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"..., 524288 [pid 5782] <... futex resumed>) = 0 [pid 5779] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... unlink resumed>) = 0 [pid 5065] <... mkdir resumed>) = 0 [pid 5785] rt_sigprocmask(SIG_SETMASK, [], [pid 5782] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5779] <... futex resumed>) = 1 [pid 5778] <... futex resumed>) = 0 [pid 5778] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5778] <... futex resumed>) = 0 [pid 5785] memfd_create("syzkaller", 0 [pid 5783] 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"..., 524288 [pid 5779] sync( [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5785] <... memfd_create resumed>) = 3 [pid 5778] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] getdents64(3, [pid 5065] <... openat resumed>) = 3 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] close(3) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5785] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] close(3) = 0 [pid 5785] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] rmdir("./56" [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5786 ./strace-static-x86_64: Process 5786 attached [pid 5784] <... write resumed>) = 524288 [pid 5069] <... rmdir resumed>) = 0 [pid 5784] munmap(0x7fdb7f81d000, 138412032 [pid 5786] set_robust_list(0x5555556c56a0, 24 [pid 5785] 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"..., 524288 [pid 5784] <... munmap resumed>) = 0 [pid 5786] <... set_robust_list resumed>) = 0 [pid 5784] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5779] <... sync resumed>) = 0 [pid 5786] chdir("./57" [pid 5784] <... openat resumed>) = 4 [pid 5779] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] mkdir("./57", 0777 [pid 5786] <... chdir resumed>) = 0 [pid 5784] ioctl(4, LOOP_SET_FD, 3 [pid 5783] <... write resumed>) = 524288 [pid 5779] <... futex resumed>) = 1 [pid 5778] <... futex resumed>) = 0 [pid 5786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5778] exit_group(0 [pid 5069] <... mkdir resumed>) = 0 [pid 5786] <... prctl resumed>) = 0 [pid 5778] <... exit_group resumed>) = ? [pid 5786] setpgid(0, 0 [pid 5783] munmap(0x7fdb7f81d000, 138412032 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5786] <... setpgid resumed>) = 0 [pid 5786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5783] <... munmap resumed>) = 0 [pid 5779] +++ exited with 0 +++ [pid 5778] +++ exited with 0 +++ [pid 5069] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5778, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5786] write(3, "1000", 4 [pid 5785] <... write resumed>) = 524288 [pid 5783] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5786] <... write resumed>) = 4 [pid 5064] restart_syscall(<... resuming interrupted clone ...> [pid 5786] close(3 [pid 5069] close(3 [pid 5064] <... restart_syscall resumed>) = 0 [pid 5786] <... close resumed>) = 0 [pid 5783] <... openat resumed>) = 4 [pid 5069] <... close resumed>) = 0 [pid 5786] symlink("/dev/binderfs", "./binderfs" [pid 5783] ioctl(4, LOOP_SET_FD, 3 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5786] <... symlink resumed>) = 0 [pid 5785] munmap(0x7fdb7f81d000, 138412032 [pid 5064] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5786] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5786] <... futex resumed>) = 0 [pid 5786] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5064] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5786] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5786] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5064] newfstatat(3, "", [pid 5786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5064] getdents64(3, [pid 5786] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5786] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5064] umount2("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5785] <... munmap resumed>) = 0 [pid 5786] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5784] <... ioctl resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5787 [pid 5784] close(3 [pid 5786] <... clone3 resumed> => {parent_tid=[5788]}, 88) = 5788 [pid 5784] <... close resumed>) = 0 [pid 5786] rt_sigprocmask(SIG_SETMASK, [], [pid 5784] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777./strace-static-x86_64: Process 5787 attached [pid 5786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5785] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5784] <... mkdir resumed>) = 0 [pid 5783] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5788 attached [pid 5787] set_robust_list(0x5555556c56a0, 24 [pid 5786] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] <... openat resumed>) = 4 [pid 5783] close(3 [pid 5788] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5787] <... set_robust_list resumed>) = 0 [pid 5786] <... futex resumed>) = 0 [pid 5785] ioctl(4, LOOP_SET_FD, 3 [pid 5783] <... close resumed>) = 0 [pid 5788] <... rseq resumed>) = 0 [pid 5787] chdir("./57" [pid 5786] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5784] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5783] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5064] <... umount2 resumed>) = 0 [pid 5788] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5783] <... mkdir resumed>) = 0 [pid 5788] <... set_robust_list resumed>) = 0 [pid 5783] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5788] rt_sigprocmask(SIG_SETMASK, [], [pid 5787] <... chdir resumed>) = 0 [pid 5788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5788] memfd_create("syzkaller", 0) = 3 [pid 5788] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5784] <... mount resumed>) = 0 [pid 5788] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5784] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5064] umount2("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5787] setpgid(0, 0 [pid 5784] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5785] <... ioctl resumed>) = 0 [pid 5784] <... chdir resumed>) = 0 [pid 5064] newfstatat(AT_FDCWD, "./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5787] <... setpgid resumed>) = 0 [pid 5785] close(3 [pid 5784] ioctl(4, LOOP_CLR_FD [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5785] <... close resumed>) = 0 [pid 5787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5785] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5784] <... ioctl resumed>) = 0 [pid 5064] umount2("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5784] close(4 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5788] 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"..., 524288 [pid 5787] <... openat resumed>) = 3 [pid 5785] <... mkdir resumed>) = 0 [pid 5784] <... close resumed>) = 0 [pid 5064] openat(AT_FDCWD, "./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5787] write(3, "1000", 4 [pid 5064] <... openat resumed>) = 4 [pid 5787] <... write resumed>) = 4 [ 149.746763][ T5784] loop4: detected capacity change from 0 to 1024 [ 149.760329][ T5783] loop3: detected capacity change from 0 to 1024 [ 149.785666][ T5785] loop2: detected capacity change from 0 to 1024 [pid 5785] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5784] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] <... mount resumed>) = 0 [pid 5064] newfstatat(4, "", [pid 5787] close(3 [pid 5783] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5787] <... close resumed>) = 0 [pid 5783] <... openat resumed>) = 3 [pid 5787] symlink("/dev/binderfs", "./binderfs" [pid 5784] <... futex resumed>) = 1 [pid 5783] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5781] <... futex resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5783] <... chdir resumed>) = 0 [pid 5784] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5781] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] getdents64(4, [pid 5787] <... symlink resumed>) = 0 [pid 5784] <... mknod resumed>) = 0 [pid 5781] <... futex resumed>) = 0 [pid 5783] ioctl(4, LOOP_CLR_FD [pid 5781] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5784] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] getdents64(4, [pid 5788] <... write resumed>) = 524288 [pid 5787] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] <... mount resumed>) = 0 [pid 5784] <... futex resumed>) = 1 [pid 5783] <... ioctl resumed>) = 0 [pid 5781] <... futex resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5787] <... futex resumed>) = 0 [pid 5785] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5783] close(4 [pid 5787] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5783] <... close resumed>) = 0 [pid 5064] close(4 [pid 5787] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5785] <... openat resumed>) = 3 [pid 5784] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5783] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5781] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5787] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5785] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5783] <... futex resumed>) = 1 [pid 5781] <... futex resumed>) = 0 [pid 5780] <... futex resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5785] <... chdir resumed>) = 0 [pid 5783] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5781] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5780] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] rmdir("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5788] munmap(0x7fdb7f81d000, 138412032 [pid 5787] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5785] ioctl(4, LOOP_CLR_FD [pid 5783] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5780] <... futex resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5785] <... ioctl resumed>) = 0 [pid 5788] <... munmap resumed>) = 0 [pid 5787] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5785] close(4 [pid 5783] <... mknod resumed>) = 0 [pid 5780] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5787] <... mprotect resumed>) = 0 [pid 5785] <... close resumed>) = 0 [pid 5783] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] <... futex resumed>) = 0 [pid 5780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5788] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5785] <... futex resumed>) = 1 [pid 5783] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5782] <... futex resumed>) = 0 [pid 5780] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] newfstatat(AT_FDCWD, "./57/binderfs", [pid 5787] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5785] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5782] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] <... futex resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5788] <... openat resumed>) = 4 [pid 5785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5784] <... open resumed>) = 4 [pid 5783] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5782] <... futex resumed>) = 0 [pid 5780] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] unlink("./57/binderfs" [pid 5788] ioctl(4, LOOP_SET_FD, 3 [pid 5787] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5785] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5784] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5782] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5784] <... futex resumed>) = 1 [pid 5781] <... futex resumed>) = 0 [pid 5787] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5785] <... mknod resumed>) = 0 [pid 5783] <... open resumed>) = 4 [pid 5781] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... unlink resumed>) = 0 [pid 5784] sync( [pid 5781] <... futex resumed>) = 0 [pid 5064] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5781] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] close(3) = 0 [pid 5064] rmdir("./57") = 0 [pid 5064] mkdir("./58", 0777) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5064] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5064] close(3./strace-static-x86_64: Process 5789 attached [pid 5787] <... clone3 resumed> => {parent_tid=[5789]}, 88) = 5789 [pid 5785] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5783] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... close resumed>) = 0 [pid 5789] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5787] rt_sigprocmask(SIG_SETMASK, [], [pid 5785] <... futex resumed>) = 1 [pid 5783] <... futex resumed>) = 1 [pid 5782] <... futex resumed>) = 0 [pid 5780] <... futex resumed>) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5789] <... rseq resumed>) = 0 [pid 5787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5785] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5783] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5782] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5780] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5787] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5780] <... futex resumed>) = 0 [pid 5789] <... set_robust_list resumed>) = 0 [pid 5788] <... ioctl resumed>) = 0 [pid 5787] <... futex resumed>) = 0 [pid 5785] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5783] sync( [pid 5782] <... futex resumed>) = 0 [pid 5780] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5789] rt_sigprocmask(SIG_SETMASK, [], [pid 5788] close(3 [pid 5787] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5790 ./strace-static-x86_64: Process 5790 attached [pid 5789] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5788] <... close resumed>) = 0 [pid 5782] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5790] set_robust_list(0x5555556c56a0, 24 [pid 5788] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5789] memfd_create("syzkaller", 0 [pid 5790] <... set_robust_list resumed>) = 0 [pid 5788] <... mkdir resumed>) = 0 [pid 5789] <... memfd_create resumed>) = 3 [pid 5790] chdir("./58" [pid 5789] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5790] <... chdir resumed>) = 0 [pid 5789] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5790] prctl(PR_SET_PDEATHSIG, SIGKILL [ 149.878868][ T5788] loop1: detected capacity change from 0 to 1024 [pid 5788] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5790] <... prctl resumed>) = 0 [pid 5790] setpgid(0, 0) = 0 [pid 5781] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5784] <... sync resumed>) = 0 [pid 5790] <... openat resumed>) = 3 [pid 5784] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] write(3, "1000", 4 [pid 5784] <... futex resumed>) = 0 [pid 5789] 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"..., 524288 [pid 5790] <... write resumed>) = 4 [pid 5785] <... open resumed>) = 4 [pid 5784] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5781] exit_group(0 [pid 5790] close(3 [pid 5785] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5784] <... futex resumed>) = ? [pid 5781] <... exit_group resumed>) = ? [pid 5790] <... close resumed>) = 0 [pid 5785] <... futex resumed>) = 1 [pid 5784] +++ exited with 0 +++ [pid 5782] <... futex resumed>) = 0 [pid 5781] +++ exited with 0 +++ [pid 5790] symlink("/dev/binderfs", "./binderfs" [pid 5782] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] <... symlink resumed>) = 0 [pid 5785] sync( [pid 5782] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5781, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5788] <... mount resumed>) = 0 [pid 5783] <... sync resumed>) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5790] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5788] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5783] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5790] <... futex resumed>) = 0 [pid 5788] <... openat resumed>) = 3 [pid 5783] <... futex resumed>) = 1 [pid 5780] <... futex resumed>) = 0 [pid 5790] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5783] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5780] exit_group(0 [pid 5790] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5788] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5783] <... futex resumed>) = ? [pid 5780] <... exit_group resumed>) = ? [pid 5068] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5790] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5788] <... chdir resumed>) = 0 [pid 5783] +++ exited with 0 +++ [pid 5782] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5780] +++ exited with 0 +++ [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5788] ioctl(4, LOOP_CLR_FD [pid 5068] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5788] <... ioctl resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5780, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5790] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5789] <... write resumed>) = 524288 [pid 5788] close(4 [pid 5068] newfstatat(3, "", [pid 5067] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5790] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5789] munmap(0x7fdb7f81d000, 138412032 [pid 5788] <... close resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5790] <... mprotect resumed>) = 0 [pid 5788] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(3, [pid 5067] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5790] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5789] <... munmap resumed>) = 0 [pid 5788] <... futex resumed>) = 1 [pid 5786] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] <... openat resumed>) = 3 [pid 5788] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5786] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] newfstatat(3, "", [pid 5790] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5789] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5788] <... mknod resumed>) = 0 [pid 5786] <... futex resumed>) = 0 [pid 5068] umount2("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5790] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5789] <... openat resumed>) = 4 [pid 5785] <... sync resumed>) = 0 [pid 5789] ioctl(4, LOOP_SET_FD, 3 [pid 5785] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5785] <... futex resumed>) = 1 [pid 5782] <... futex resumed>) = 0 [pid 5067] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5790] <... clone3 resumed> => {parent_tid=[5791]}, 88) = 5791 ./strace-static-x86_64: Process 5791 attached [pid 5790] rt_sigprocmask(SIG_SETMASK, [], [pid 5785] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5782] exit_group(0 [pid 5067] umount2("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5791] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5785] <... futex resumed>) = ? [pid 5782] <... exit_group resumed>) = ? [pid 5790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5785] +++ exited with 0 +++ [pid 5790] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5788] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5790] <... futex resumed>) = 0 [pid 5788] <... futex resumed>) = 1 [pid 5786] <... futex resumed>) = 0 [pid 5790] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5788] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5786] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5782] +++ exited with 0 +++ [pid 5786] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5782, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5791] <... rseq resumed>) = 0 [pid 5789] <... ioctl resumed>) = 0 [pid 5791] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5789] close(3 [pid 5066] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5791] <... set_robust_list resumed>) = 0 [pid 5789] <... close resumed>) = 0 [pid 5791] rt_sigprocmask(SIG_SETMASK, [], [pid 5789] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5791] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5789] <... mkdir resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5791] memfd_create("syzkaller", 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5789] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5791] <... memfd_create resumed>) = 3 [pid 5791] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5066] newfstatat(3, "", [pid 5791] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5788] <... open resumed>) = 4 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5788] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] getdents64(3, [pid 5788] <... futex resumed>) = 1 [pid 5786] <... futex resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5788] sync( [pid 5786] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] umount2("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5791] 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"..., 524288 [pid 5786] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 150.003063][ T5789] loop5: detected capacity change from 0 to 1024 [pid 5068] openat(AT_FDCWD, "./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5068] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [pid 5068] rmdir("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5789] <... mount resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] umount2("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5789] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] newfstatat(AT_FDCWD, "./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5789] <... openat resumed>) = 3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5789] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] umount2("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5789] <... chdir resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./58/binderfs", [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5789] ioctl(4, LOOP_CLR_FD [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] openat(AT_FDCWD, "./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5068] unlink("./58/binderfs" [pid 5067] newfstatat(4, "", [pid 5789] <... ioctl resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5788] <... sync resumed>) = 0 [pid 5789] close(4 [pid 5788] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... unlink resumed>) = 0 [pid 5067] getdents64(4, [pid 5066] <... umount2 resumed>) = 0 [pid 5068] getdents64(3, [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] getdents64(4, [pid 5068] close(3 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5791] <... write resumed>) = 524288 [pid 5789] <... close resumed>) = 0 [pid 5788] <... futex resumed>) = 1 [pid 5786] <... futex resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] close(4 [pid 5789] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5788] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5791] munmap(0x7fdb7f81d000, 138412032 [pid 5786] exit_group(0 [pid 5789] <... futex resumed>) = 1 [pid 5787] <... futex resumed>) = 0 [pid 5789] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5788] <... futex resumed>) = ? [pid 5786] <... exit_group resumed>) = ? [pid 5787] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./58" [pid 5067] <... close resumed>) = 0 [pid 5788] +++ exited with 0 +++ [pid 5068] <... rmdir resumed>) = 0 [pid 5067] rmdir("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5068] mkdir("./59", 0777 [pid 5786] +++ exited with 0 +++ [pid 5067] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5787] <... futex resumed>) = 0 [pid 5791] <... munmap resumed>) = 0 [pid 5789] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5787] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... mkdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./57/binderfs", [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5786, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5789] <... mknod resumed>) = 0 [pid 5065] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] unlink("./57/binderfs" [pid 5066] umount2("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5791] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5789] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... unlink resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... openat resumed>) = 3 [pid 5067] getdents64(3, [pid 5066] newfstatat(AT_FDCWD, "./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] <... openat resumed>) = 3 [pid 5791] <... openat resumed>) = 4 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] newfstatat(3, "", [pid 5791] ioctl(4, LOOP_SET_FD, 3 [pid 5068] <... ioctl resumed>) = 0 [pid 5067] close(3 [pid 5066] umount2("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5789] <... futex resumed>) = 1 [pid 5787] <... futex resumed>) = 0 [pid 5068] close(3 [pid 5067] <... close resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] getdents64(3, [pid 5789] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5787] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 5067] rmdir("./57" [pid 5066] openat(AT_FDCWD, "./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5787] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5789] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5065] umount2("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... openat resumed>) = 4 [pid 5067] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5792 attached [pid 5791] <... ioctl resumed>) = 0 [pid 5789] <... open resumed>) = 4 [pid 5787] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] newfstatat(4, "", [pid 5789] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5792 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(4, [pid 5789] <... futex resumed>) = 1 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5789] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5787] <... futex resumed>) = 0 [pid 5066] getdents64(4, [pid 5787] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5789] <... futex resumed>) = 0 [pid 5787] <... futex resumed>) = 1 [pid 5066] close(4 [pid 5789] sync( [pid 5787] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... close resumed>) = 0 [pid 5067] mkdir("./58", 0777 [pid 5066] rmdir("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5792] set_robust_list(0x5555556c56a0, 24 [pid 5791] close(3 [pid 5792] <... set_robust_list resumed>) = 0 [pid 5791] <... close resumed>) = 0 [pid 5792] chdir("./59" [pid 5791] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5792] <... chdir resumed>) = 0 [pid 5791] <... mkdir resumed>) = 0 [pid 5792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5791] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5792] <... prctl resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [ 150.125093][ T5791] loop0: detected capacity change from 0 to 1024 [pid 5792] setpgid(0, 0) = 0 [pid 5792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5067] close(3) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5791] <... mount resumed>) = 0 [pid 5791] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5066] <... rmdir resumed>) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5792] write(3, "1000", 4 [pid 5791] <... openat resumed>) = 3 [pid 5789] <... sync resumed>) = 0 [pid 5066] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5789] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 5793 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5789] <... futex resumed>) = 1 [pid 5787] <... futex resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./57/binderfs", [pid 5065] newfstatat(AT_FDCWD, "./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", ./strace-static-x86_64: Process 5793 attached [pid 5792] <... write resumed>) = 4 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5793] set_robust_list(0x5555556c56a0, 24 [pid 5792] close(3 [pid 5066] unlink("./57/binderfs" [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5793] <... set_robust_list resumed>) = 0 [pid 5792] <... close resumed>) = 0 [pid 5066] <... unlink resumed>) = 0 [pid 5065] umount2("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5793] chdir("./58" [pid 5792] symlink("/dev/binderfs", "./binderfs" [pid 5789] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5787] exit_group(0 [pid 5066] getdents64(3, [pid 5793] <... chdir resumed>) = 0 [pid 5792] <... symlink resumed>) = 0 [pid 5791] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5789] <... futex resumed>) = ? [pid 5787] <... exit_group resumed>) = ? [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5793] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5792] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] close(3 [pid 5065] openat(AT_FDCWD, "./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5793] <... prctl resumed>) = 0 [pid 5792] <... futex resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5065] <... openat resumed>) = 4 [pid 5793] setpgid(0, 0 [pid 5066] rmdir("./57" [pid 5065] newfstatat(4, "", [pid 5793] <... setpgid resumed>) = 0 [pid 5792] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5791] <... chdir resumed>) = 0 [pid 5789] +++ exited with 0 +++ [pid 5787] +++ exited with 0 +++ [pid 5066] <... rmdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5791] ioctl(4, LOOP_CLR_FD [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5787, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5791] <... ioctl resumed>) = 0 [pid 5065] getdents64(4, [pid 5793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5792] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5792] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5791] close(4 [pid 5065] getdents64(4, [pid 5792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5791] <... close resumed>) = 0 [pid 5069] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5793] <... openat resumed>) = 3 [pid 5792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5791] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] mkdir("./58", 0777 [pid 5065] close(4 [pid 5793] write(3, "1000", 4 [pid 5792] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5791] <... futex resumed>) = 1 [pid 5069] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... mkdir resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5793] <... write resumed>) = 4 [pid 5792] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5065] rmdir("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5793] close(3 [pid 5792] <... mprotect resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5793] <... close resumed>) = 0 [pid 5792] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5793] symlink("/dev/binderfs", "./binderfs" [pid 5791] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5790] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5065] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5793] <... symlink resumed>) = 0 [pid 5791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5790] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(3, "", [pid 5066] <... openat resumed>) = 3 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5790] <... futex resumed>) = 0 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5065] newfstatat(AT_FDCWD, "./57/binderfs", [pid 5790] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] close(3 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5793] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5791] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... close resumed>) = 0 [pid 5065] unlink("./57/binderfs" [pid 5793] <... futex resumed>) = 0 [pid 5792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... unlink resumed>) = 0 [pid 5793] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5791] <... mknod resumed>) = 0 [pid 5069] getdents64(3, [pid 5065] getdents64(3, ./strace-static-x86_64: Process 5794 attached [pid 5793] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5792] <... clone3 resumed> => {parent_tid=[5794]}, 88) = 5794 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5794] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5793] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5792] rt_sigprocmask(SIG_SETMASK, [], [pid 5794] <... rseq resumed>) = 0 [pid 5793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] close(3 [pid 5794] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5792] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5795 attached [pid 5794] <... set_robust_list resumed>) = 0 [pid 5793] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5792] <... futex resumed>) = 0 [pid 5791] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... close resumed>) = 0 [pid 5794] rt_sigprocmask(SIG_SETMASK, [], [pid 5793] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5792] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5791] <... futex resumed>) = 1 [pid 5790] <... futex resumed>) = 0 [pid 5069] umount2("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5795 [pid 5795] set_robust_list(0x5555556c56a0, 24 [pid 5794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5793] <... mprotect resumed>) = 0 [pid 5791] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5790] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] rmdir("./57" [pid 5795] <... set_robust_list resumed>) = 0 [pid 5794] memfd_create("syzkaller", 0 [pid 5793] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5790] <... futex resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5795] chdir("./58" [pid 5794] <... memfd_create resumed>) = 3 [pid 5793] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5790] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] mkdir("./58", 0777 [pid 5795] <... chdir resumed>) = 0 [pid 5793] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5791] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5065] <... mkdir resumed>) = 0 [pid 5794] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5794] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5065] <... openat resumed>) = 3 [pid 5065] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5796 attached [pid 5065] close(3 [pid 5796] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5793] <... clone3 resumed> => {parent_tid=[5796]}, 88) = 5796 [pid 5065] <... close resumed>) = 0 [pid 5796] <... rseq resumed>) = 0 [pid 5795] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5793] rt_sigprocmask(SIG_SETMASK, [], [pid 5796] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5795] <... prctl resumed>) = 0 [pid 5793] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5796] <... set_robust_list resumed>) = 0 [pid 5796] rt_sigprocmask(SIG_SETMASK, [], [pid 5795] setpgid(0, 0 [pid 5793] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5796] memfd_create("syzkaller", 0) = 3 [pid 5795] <... setpgid resumed>) = 0 [pid 5793] <... futex resumed>) = 0 [pid 5796] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 5796] 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"..., 524288 [pid 5795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5793] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5795] <... openat resumed>) = 3 [pid 5794] 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"..., 524288 [pid 5791] <... open resumed>) = 4 [pid 5795] write(3, "1000", 4 [pid 5791] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] <... write resumed>) = 4 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5797 ./strace-static-x86_64: Process 5797 attached [pid 5795] close(3 [pid 5791] <... futex resumed>) = 1 [pid 5790] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5795] <... close resumed>) = 0 [pid 5791] sync( [pid 5790] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5790] <... futex resumed>) = 0 [pid 5797] set_robust_list(0x5555556c56a0, 24 [pid 5796] <... write resumed>) = 524288 [pid 5795] symlink("/dev/binderfs", "./binderfs" [pid 5790] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5797] <... set_robust_list resumed>) = 0 [pid 5797] chdir("./58" [pid 5795] <... symlink resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5795] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] <... chdir resumed>) = 0 [pid 5795] <... futex resumed>) = 0 [pid 5069] umount2("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5797] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5795] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5797] <... prctl resumed>) = 0 [pid 5795] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5797] setpgid(0, 0) = 0 [pid 5795] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5794] <... write resumed>) = 524288 [pid 5069] openat(AT_FDCWD, "./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5795] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5794] munmap(0x7fdb7f81d000, 138412032 [pid 5069] <... openat resumed>) = 4 [pid 5797] <... openat resumed>) = 3 [pid 5794] <... munmap resumed>) = 0 [pid 5797] write(3, "1000", 4 [pid 5795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5794] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] newfstatat(4, "", [pid 5797] <... write resumed>) = 4 [pid 5795] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5794] <... openat resumed>) = 4 [pid 5797] close(3 [pid 5794] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5797] <... close resumed>) = 0 [pid 5796] munmap(0x7fdb7f81d000, 138412032 [pid 5795] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5794] <... ioctl resumed>) = 0 [pid 5791] <... sync resumed>) = 0 [pid 5797] symlink("/dev/binderfs", "./binderfs" [pid 5796] <... munmap resumed>) = 0 [pid 5795] <... mprotect resumed>) = 0 [pid 5069] getdents64(4, [pid 5795] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5791] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5795] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] getdents64(4, [pid 5795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5798 attached [pid 5797] <... symlink resumed>) = 0 [pid 5796] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5791] <... futex resumed>) = 1 [pid 5790] <... futex resumed>) = 0 [pid 5069] close(4 [pid 5798] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5795] <... clone3 resumed> => {parent_tid=[5798]}, 88) = 5798 [pid 5069] <... close resumed>) = 0 [pid 5798] <... rseq resumed>) = 0 [pid 5795] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] rmdir("./57/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5795] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5797] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] <... openat resumed>) = 4 [pid 5791] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5790] exit_group(0 [pid 5798] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5797] <... futex resumed>) = 0 [pid 5796] ioctl(4, LOOP_SET_FD, 3 [pid 5795] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5791] <... futex resumed>) = ? [pid 5790] <... exit_group resumed>) = ? [pid 5069] <... rmdir resumed>) = 0 [pid 5798] <... set_robust_list resumed>) = 0 [pid 5797] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5796] <... ioctl resumed>) = 0 [pid 5795] <... futex resumed>) = 0 [pid 5791] +++ exited with 0 +++ [pid 5798] rt_sigprocmask(SIG_SETMASK, [], [pid 5797] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5790] +++ exited with 0 +++ [pid 5069] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5798] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5797] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5798] memfd_create("syzkaller", 0 [pid 5795] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] newfstatat(AT_FDCWD, "./57/binderfs", [pid 5797] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5798] <... memfd_create resumed>) = 3 [pid 5069] unlink("./57/binderfs" [ 150.399290][ T5794] loop4: detected capacity change from 0 to 1024 [ 150.417323][ T5796] loop3: detected capacity change from 0 to 1024 [pid 5794] close(3 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5790, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5797] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5794] <... close resumed>) = 0 [pid 5797] <... mprotect resumed>) = 0 [pid 5794] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5798] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5794] <... mkdir resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5064] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5798] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] getdents64(3, [pid 5797] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5797] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5069] close(3 [pid 5797] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5794] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5064] newfstatat(3, "", [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./57" [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5797] <... clone3 resumed> => {parent_tid=[5799]}, 88) = 5799 [pid 5064] getdents64(3, [pid 5797] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 ./strace-static-x86_64: Process 5799 attached [pid 5797] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] mkdir("./58", 0777 [pid 5064] umount2("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5797] <... futex resumed>) = 0 [pid 5799] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5797] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... mkdir resumed>) = 0 [pid 5799] <... rseq resumed>) = 0 [pid 5799] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 5799] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5799] memfd_create("syzkaller", 0 [pid 5794] <... mount resumed>) = 0 [pid 5798] 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"..., 524288 [pid 5794] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5794] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5799] <... memfd_create resumed>) = 3 [pid 5794] ioctl(4, LOOP_CLR_FD [pid 5796] close(3 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5064] <... umount2 resumed>) = 0 [pid 5796] <... close resumed>) = 0 [pid 5796] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5796] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5794] <... ioctl resumed>) = 0 [pid 5794] close(4) = 0 [pid 5798] <... write resumed>) = 524288 [pid 5794] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5792] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5794] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5792] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5798] munmap(0x7fdb7f81d000, 138412032 [pid 5796] <... mount resumed>) = 0 [pid 5794] <... mknod resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5064] umount2("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5799] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5796] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5792] <... futex resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5799] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5796] <... openat resumed>) = 3 [pid 5794] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] newfstatat(AT_FDCWD, "./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5794] <... futex resumed>) = 0 [pid 5792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5799] 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"..., 524288 [pid 5796] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5794] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5792] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] close(3 [pid 5064] umount2("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5798] <... munmap resumed>) = 0 [pid 5792] <... futex resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5792] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] openat(AT_FDCWD, "./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5796] <... chdir resumed>) = 0 [pid 5064] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5800 [pid 5798] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5796] ioctl(4, LOOP_CLR_FD [pid 5064] getdents64(4, [pid 5798] <... openat resumed>) = 4 [pid 5796] <... ioctl resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5796] close(4 [pid 5064] getdents64(4, ./strace-static-x86_64: Process 5800 attached [pid 5798] ioctl(4, LOOP_SET_FD, 3 [pid 5796] <... close resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5796] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5793] <... futex resumed>) = 0 [pid 5064] close(4 [pid 5796] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5064] <... close resumed>) = 0 [pid 5064] rmdir("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5064] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5798] <... ioctl resumed>) = 0 [pid 5793] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] unlink("./58/binderfs" [pid 5800] set_robust_list(0x5555556c56a0, 24 [pid 5796] <... futex resumed>) = 0 [pid 5793] <... futex resumed>) = 1 [pid 5064] <... unlink resumed>) = 0 [pid 5796] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5794] <... open resumed>) = 4 [pid 5793] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] getdents64(3, [pid 5796] <... mknod resumed>) = 0 [pid 5794] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5796] <... futex resumed>) = 1 [pid 5793] <... futex resumed>) = 0 [pid 5800] <... set_robust_list resumed>) = 0 [pid 5796] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5794] <... futex resumed>) = 1 [pid 5793] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5792] <... futex resumed>) = 0 [pid 5064] close(3 [pid 5796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5793] <... futex resumed>) = 0 [pid 5792] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5796] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5793] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5792] <... futex resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5800] chdir("./58" [pid 5796] <... open resumed>) = 4 [pid 5794] sync( [pid 5792] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] rmdir("./58" [pid 5800] <... chdir resumed>) = 0 [pid 5798] close(3 [pid 5064] <... rmdir resumed>) = 0 [pid 5800] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5798] <... close resumed>) = 0 [pid 5796] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] <... prctl resumed>) = 0 [pid 5798] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5800] setpgid(0, 0 [pid 5799] <... write resumed>) = 524288 [pid 5064] mkdir("./59", 0777 [pid 5800] <... setpgid resumed>) = 0 [ 150.568086][ T5798] loop2: detected capacity change from 0 to 1024 [pid 5800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5798] <... mkdir resumed>) = 0 [pid 5796] <... futex resumed>) = 1 [pid 5793] <... futex resumed>) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 5796] sync( [pid 5793] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] <... openat resumed>) = 3 [pid 5800] write(3, "1000", 4 [pid 5798] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5793] <... futex resumed>) = 0 [pid 5800] <... write resumed>) = 4 [pid 5799] munmap(0x7fdb7f81d000, 138412032 [pid 5793] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5799] <... munmap resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5800] close(3 [pid 5064] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5064] close(3 [pid 5799] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5064] <... close resumed>) = 0 [pid 5799] <... openat resumed>) = 4 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5799] ioctl(4, LOOP_SET_FD, 3 [pid 5800] <... close resumed>) = 0 [pid 5799] <... ioctl resumed>) = 0 [pid 5800] symlink("/dev/binderfs", "./binderfs" [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5801 [pid 5800] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5801 attached [pid 5801] set_robust_list(0x5555556c56a0, 24 [pid 5800] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] <... set_robust_list resumed>) = 0 [pid 5801] chdir("./59") = 0 [pid 5798] <... mount resumed>) = 0 [pid 5801] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5800] <... futex resumed>) = 0 [pid 5798] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5792] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5800] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5798] <... openat resumed>) = 3 [pid 5796] <... sync resumed>) = 0 [pid 5794] <... sync resumed>) = 0 [pid 5801] <... prctl resumed>) = 0 [pid 5796] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5794] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] setpgid(0, 0 [pid 5796] <... futex resumed>) = 1 [pid 5794] <... futex resumed>) = 0 [pid 5793] <... futex resumed>) = 0 [pid 5801] <... setpgid resumed>) = 0 [pid 5799] close(3 [pid 5796] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5794] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5793] exit_group(0 [pid 5792] exit_group(0 [pid 5801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5799] <... close resumed>) = 0 [pid 5798] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5796] <... futex resumed>) = ? [pid 5794] <... futex resumed>) = ? [pid 5793] <... exit_group resumed>) = ? [pid 5792] <... exit_group resumed>) = ? [pid 5801] <... openat resumed>) = 3 [pid 5800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5799] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5798] <... chdir resumed>) = 0 [pid 5796] +++ exited with 0 +++ [pid 5794] +++ exited with 0 +++ [pid 5793] +++ exited with 0 +++ [pid 5801] write(3, "1000", 4 [pid 5800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5799] <... mkdir resumed>) = 0 [pid 5798] ioctl(4, LOOP_CLR_FD [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5793, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5801] <... write resumed>) = 4 [pid 5800] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5798] <... ioctl resumed>) = 0 [pid 5792] +++ exited with 0 +++ [pid 5801] close(3 [pid 5800] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5798] close(4 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5792, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5801] <... close resumed>) = 0 [pid 5798] <... close resumed>) = 0 [ 150.647160][ T5799] loop1: detected capacity change from 0 to 1024 [pid 5067] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5801] symlink("/dev/binderfs", "./binderfs" [pid 5800] <... mprotect resumed>) = 0 [pid 5799] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5798] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] <... symlink resumed>) = 0 [pid 5068] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5801] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5798] <... futex resumed>) = 1 [pid 5795] <... futex resumed>) = 0 [pid 5068] newfstatat(3, "", [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5800] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5798] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5795] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5801] <... futex resumed>) = 0 [pid 5800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5798] <... mknod resumed>) = 0 [pid 5795] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5798] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(3, [pid 5067] <... openat resumed>) = 3 [pid 5798] <... futex resumed>) = 1 [pid 5800] <... clone3 resumed> => {parent_tid=[5802]}, 88) = 5802 [pid 5795] <... futex resumed>) = 0 [pid 5795] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] rt_sigprocmask(SIG_SETMASK, [], [pid 5795] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5802 attached [pid 5801] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5799] <... mount resumed>) = 0 [pid 5798] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5795] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] newfstatat(3, "", [pid 5802] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5801] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5799] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] umount2("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5802] <... rseq resumed>) = 0 [pid 5801] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5800] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] <... openat resumed>) = 3 [pid 5802] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5801] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5799] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] getdents64(3, [pid 5801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5799] <... chdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5801] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5799] ioctl(4, LOOP_CLR_FD [pid 5067] umount2("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5801] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5799] <... ioctl resumed>) = 0 [pid 5802] <... set_robust_list resumed>) = 0 [pid 5801] <... mprotect resumed>) = 0 [pid 5802] rt_sigprocmask(SIG_SETMASK, [], [pid 5801] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5800] <... futex resumed>) = 0 [pid 5799] close(4 [pid 5802] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5801] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5800] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5799] <... close resumed>) = 0 [pid 5802] memfd_create("syzkaller", 0 [pid 5801] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5799] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5803 attached [pid 5802] <... memfd_create resumed>) = 3 [pid 5799] <... futex resumed>) = 1 [pid 5797] <... futex resumed>) = 0 [pid 5803] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5802] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5801] <... clone3 resumed> => {parent_tid=[5803]}, 88) = 5803 [pid 5799] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5797] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] <... rseq resumed>) = 0 [pid 5802] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5801] rt_sigprocmask(SIG_SETMASK, [], [pid 5797] <... futex resumed>) = 0 [pid 5802] 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"..., 524288 [pid 5801] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5797] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5803] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5801] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] <... set_robust_list resumed>) = 0 [pid 5801] <... futex resumed>) = 0 [pid 5799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5803] rt_sigprocmask(SIG_SETMASK, [], [pid 5801] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5799] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5803] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5799] <... mknod resumed>) = 0 [pid 5803] memfd_create("syzkaller", 0) = 3 [pid 5798] <... open resumed>) = 4 [pid 5068] <... umount2 resumed>) = 0 [pid 5803] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5799] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5799] <... futex resumed>) = 1 [pid 5797] <... futex resumed>) = 0 [pid 5795] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5799] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5797] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5795] <... futex resumed>) = 0 [pid 5803] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5797] <... futex resumed>) = 0 [pid 5797] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5803] 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"..., 524288 [pid 5798] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5798] <... futex resumed>) = 0 [pid 5795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = 0 [pid 5798] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5795] <... mmap resumed>) = 0x7fdb87bfc000 [pid 5795] mprotect(0x7fdb87bfd000, 131072, PROT_READ|PROT_WRITE [pid 5068] newfstatat(AT_FDCWD, "./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] newfstatat(AT_FDCWD, "./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5795] <... mprotect resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5795] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] openat(AT_FDCWD, "./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 4 [pid 5795] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5802] <... write resumed>) = 524288 [pid 5799] <... open resumed>) = 4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c1c990, parent_tid=0x7fdb87c1c990, exit_signal=0, stack=0x7fdb87bfc000, stack_size=0x20300, tls=0x7fdb87c1c6c0} [pid 5067] openat(AT_FDCWD, "./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] newfstatat(4, "", [pid 5067] <... openat resumed>) = 4 [pid 5795] <... clone3 resumed> => {parent_tid=[5804]}, 88) = 5804 [pid 5799] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] newfstatat(4, "", [pid 5799] <... futex resumed>) = 1 [pid 5797] <... futex resumed>) = 0 [pid 5068] getdents64(4, [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5797] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, [pid 5797] <... futex resumed>) = 0 [pid 5068] getdents64(4, [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 5804 attached [pid 5797] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5795] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] getdents64(4, [pid 5804] rseq(0x7fdb87c1cfe0, 0x20, 0, 0x53053053 [pid 5799] sync( [pid 5795] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] close(4 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5804] <... rseq resumed>) = 0 [pid 5795] futex(0x7fdb87d096b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 5067] close(4 [pid 5804] set_robust_list(0x7fdb87c1c9a0, 24 [pid 5795] <... futex resumed>) = 0 [pid 5068] rmdir("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] <... close resumed>) = 0 [pid 5804] <... set_robust_list resumed>) = 0 [pid 5803] <... write resumed>) = 524288 [pid 5802] munmap(0x7fdb7f81d000, 138412032 [pid 5795] futex(0x7fdb87d096bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... rmdir resumed>) = 0 [pid 5067] rmdir("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5804] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5802] <... munmap resumed>) = 0 [pid 5068] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... rmdir resumed>) = 0 [pid 5804] sync( [pid 5802] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5802] <... openat resumed>) = 4 [pid 5068] newfstatat(AT_FDCWD, "./59/binderfs", [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5803] munmap(0x7fdb7f81d000, 138412032 [pid 5802] ioctl(4, LOOP_SET_FD, 3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] newfstatat(AT_FDCWD, "./58/binderfs", [pid 5803] <... munmap resumed>) = 0 [pid 5799] <... sync resumed>) = 0 [pid 5803] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5799] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] unlink("./59/binderfs" [pid 5803] <... openat resumed>) = 4 [pid 5799] <... futex resumed>) = 1 [pid 5797] <... futex resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5799] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5797] exit_group(0 [pid 5067] unlink("./58/binderfs" [pid 5804] <... sync resumed>) = 0 [pid 5799] <... futex resumed>) = ? [pid 5797] <... exit_group resumed>) = ? [pid 5067] <... unlink resumed>) = 0 [pid 5804] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] ioctl(4, LOOP_SET_FD, 3 [pid 5799] +++ exited with 0 +++ [pid 5797] +++ exited with 0 +++ [pid 5068] getdents64(3, [pid 5067] getdents64(3, [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5797, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5804] <... futex resumed>) = 1 [pid 5795] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5804] futex(0x7fdb87d096b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] close(3 [pid 5068] close(3 [pid 5067] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] rmdir("./58" [pid 5065] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] rmdir("./59" [pid 5067] <... rmdir resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... rmdir resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5795] exit_group(0 [pid 5065] newfstatat(3, "", [pid 5804] <... futex resumed>) = ? [pid 5798] <... futex resumed>) = ? [pid 5795] <... exit_group resumed>) = ? [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5804] +++ exited with 0 +++ [pid 5803] <... ioctl resumed>) = 0 [pid 5802] <... ioctl resumed>) = 0 [pid 5798] +++ exited with 0 +++ [pid 5068] mkdir("./60", 0777 [pid 5067] mkdir("./59", 0777 [pid 5803] close(3 [pid 5802] close(3 [pid 5803] <... close resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5803] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5802] <... close resumed>) = 0 [pid 5803] <... mkdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5065] getdents64(3, [pid 5795] +++ exited with 0 +++ [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5802] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [ 150.862497][ T5802] loop5: detected capacity change from 0 to 1024 [ 150.888333][ T5803] loop0: detected capacity change from 0 to 1024 [pid 5065] umount2("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5802] <... mkdir resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5795, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5068] <... openat resumed>) = 3 [pid 5066] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 3 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5803] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5066] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5066] <... openat resumed>) = 3 [pid 5802] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] newfstatat(3, "", [pid 5068] close(3 [pid 5067] close(3 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5066] getdents64(3, [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] umount2("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 5805 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5806 ./strace-static-x86_64: Process 5805 attached ./strace-static-x86_64: Process 5806 attached [pid 5805] set_robust_list(0x5555556c56a0, 24 [pid 5802] <... mount resumed>) = 0 [pid 5066] <... umount2 resumed>) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5802] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5806] set_robust_list(0x5555556c56a0, 24 [pid 5805] <... set_robust_list resumed>) = 0 [pid 5802] <... openat resumed>) = 3 [pid 5805] chdir("./59" [pid 5802] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5066] umount2("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5805] <... chdir resumed>) = 0 [pid 5802] ioctl(4, LOOP_CLR_FD [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5805] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5802] <... ioctl resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5805] <... prctl resumed>) = 0 [pid 5802] close(4 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5805] setpgid(0, 0 [pid 5802] <... close resumed>) = 0 [pid 5066] umount2("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5806] <... set_robust_list resumed>) = 0 [pid 5805] <... setpgid resumed>) = 0 [pid 5802] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5806] chdir("./60" [pid 5805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5802] <... futex resumed>) = 1 [pid 5800] <... futex resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] newfstatat(AT_FDCWD, "./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5802] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5800] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... openat resumed>) = 4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5806] <... chdir resumed>) = 0 [pid 5805] <... openat resumed>) = 3 [pid 5802] <... mknod resumed>) = 0 [pid 5066] newfstatat(4, "", [pid 5065] umount2("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] getdents64(4, [pid 5065] openat(AT_FDCWD, "./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5805] write(3, "1000", 4 [pid 5803] <... mount resumed>) = 0 [pid 5802] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] <... openat resumed>) = 4 [pid 5806] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5805] <... write resumed>) = 4 [pid 5803] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5802] <... futex resumed>) = 0 [pid 5800] <... futex resumed>) = 0 [pid 5066] getdents64(4, [pid 5806] <... prctl resumed>) = 0 [pid 5805] close(3 [pid 5803] <... openat resumed>) = 3 [pid 5802] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5800] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] newfstatat(4, "", [pid 5806] setpgid(0, 0 [pid 5805] <... close resumed>) = 0 [pid 5800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5806] <... setpgid resumed>) = 0 [pid 5800] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] symlink("/dev/binderfs", "./binderfs" [pid 5806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5805] <... symlink resumed>) = 0 [pid 5800] <... futex resumed>) = 0 [pid 5800] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] close(4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... close resumed>) = 0 [pid 5065] getdents64(4, [pid 5806] <... openat resumed>) = 3 [pid 5805] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5803] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5802] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5066] rmdir("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5803] <... chdir resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5065] getdents64(4, [pid 5806] write(3, "1000", 4) = 4 [pid 5803] ioctl(4, LOOP_CLR_FD [pid 5066] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5806] close(3 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] close(4 [pid 5806] <... close resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./58/binderfs", [pid 5065] <... close resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] rmdir("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5806] symlink("/dev/binderfs", "./binderfs" [pid 5805] <... futex resumed>) = 0 [pid 5803] <... ioctl resumed>) = 0 [pid 5066] unlink("./58/binderfs" [pid 5065] <... rmdir resumed>) = 0 [pid 5806] <... symlink resumed>) = 0 [pid 5805] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5803] close(4 [pid 5066] <... unlink resumed>) = 0 [pid 5805] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5803] <... close resumed>) = 0 [pid 5806] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5803] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5802] <... open resumed>) = 4 [pid 5066] getdents64(3, [pid 5065] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5806] <... futex resumed>) = 0 [pid 5806] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5803] <... futex resumed>) = 1 [pid 5802] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] <... futex resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5806] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5803] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5802] <... futex resumed>) = 1 [pid 5801] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5800] <... futex resumed>) = 0 [pid 5806] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5803] <... mknod resumed>) = 0 [pid 5802] sync( [pid 5801] <... futex resumed>) = 0 [pid 5800] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] close(3 [pid 5065] newfstatat(AT_FDCWD, "./58/binderfs", [pid 5806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5803] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5800] <... futex resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5800] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] rmdir("./58" [pid 5065] unlink("./58/binderfs" [pid 5806] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5805] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5803] <... futex resumed>) = 0 [pid 5801] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... rmdir resumed>) = 0 [pid 5065] <... unlink resumed>) = 0 [pid 5806] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5805] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5803] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5801] <... futex resumed>) = 0 [pid 5806] <... mprotect resumed>) = 0 [pid 5805] <... mprotect resumed>) = 0 [pid 5801] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] mkdir("./59", 0777 [pid 5806] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5805] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5806] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5806] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5805] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] <... mkdir resumed>) = 0 [pid 5065] getdents64(3, [pid 5805] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5803] <... open resumed>) = 4 [pid 5806] <... clone3 resumed> => {parent_tid=[5807]}, 88) = 5807 [pid 5803] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5808 attached ./strace-static-x86_64: Process 5807 attached [pid 5806] rt_sigprocmask(SIG_SETMASK, [], [pid 5805] <... clone3 resumed> => {parent_tid=[5808]}, 88) = 5808 [pid 5803] <... futex resumed>) = 1 [pid 5801] <... futex resumed>) = 0 [pid 5065] close(3 [pid 5807] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5806] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5805] rt_sigprocmask(SIG_SETMASK, [], [pid 5803] sync( [pid 5801] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... close resumed>) = 0 [pid 5808] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5807] <... rseq resumed>) = 0 [pid 5806] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5802] <... sync resumed>) = 0 [pid 5801] <... futex resumed>) = 0 [pid 5800] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5065] rmdir("./58" [pid 5808] <... rseq resumed>) = 0 [pid 5807] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5806] <... futex resumed>) = 0 [pid 5805] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5802] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... openat resumed>) = 3 [pid 5065] <... rmdir resumed>) = 0 [pid 5808] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5807] <... set_robust_list resumed>) = 0 [pid 5806] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5805] <... futex resumed>) = 0 [pid 5802] <... futex resumed>) = 0 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5065] mkdir("./59", 0777 [pid 5808] <... set_robust_list resumed>) = 0 [pid 5807] rt_sigprocmask(SIG_SETMASK, [], [pid 5805] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5802] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5800] exit_group(0 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5808] rt_sigprocmask(SIG_SETMASK, [], [pid 5807] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5803] <... sync resumed>) = 0 [pid 5802] <... futex resumed>) = ? [pid 5800] <... exit_group resumed>) = ? [pid 5065] <... mkdir resumed>) = 0 [pid 5808] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5807] memfd_create("syzkaller", 0 [pid 5802] +++ exited with 0 +++ [pid 5800] +++ exited with 0 +++ [pid 5808] memfd_create("syzkaller", 0 [pid 5807] <... memfd_create resumed>) = 3 [pid 5803] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] close(3 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5807] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5803] <... futex resumed>) = 1 [pid 5801] <... futex resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5800, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5066] <... close resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5807] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5803] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5801] exit_group(0 [pid 5069] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5808] <... memfd_create resumed>) = 3 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5808] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5808] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5065] close(3 [pid 5808] 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"..., 524288 [pid 5807] 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"..., 524288 [pid 5069] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... close resumed>) = 0 [pid 5803] <... futex resumed>) = ? [pid 5801] <... exit_group resumed>) = ? [pid 5069] <... openat resumed>) = 3 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5803] +++ exited with 0 +++ [pid 5069] newfstatat(3, "", [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5809 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5810 [pid 5069] umount2("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5809 attached [pid 5801] +++ exited with 0 +++ [pid 5809] set_robust_list(0x5555556c56a0, 24 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5801, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5809] <... set_robust_list resumed>) = 0 [pid 5809] chdir("./59"./strace-static-x86_64: Process 5810 attached [pid 5064] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5809] <... chdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5809] <... prctl resumed>) = 0 [pid 5809] setpgid(0, 0 [pid 5064] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5809] <... setpgid resumed>) = 0 [pid 5809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5064] <... openat resumed>) = 3 [pid 5809] <... openat resumed>) = 3 [pid 5809] write(3, "1000", 4 [pid 5064] newfstatat(3, "", [pid 5809] <... write resumed>) = 4 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5810] set_robust_list(0x5555556c56a0, 24 [pid 5809] close(3) = 0 [pid 5810] <... set_robust_list resumed>) = 0 [pid 5809] symlink("/dev/binderfs", "./binderfs" [pid 5069] umount2("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5810] chdir("./59" [pid 5809] <... symlink resumed>) = 0 [pid 5064] getdents64(3, [pid 5810] <... chdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5809] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] <... write resumed>) = 524288 [pid 5069] newfstatat(AT_FDCWD, "./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5809] <... futex resumed>) = 0 [pid 5809] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5809] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5069] umount2("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5810] <... prctl resumed>) = 0 [pid 5809] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] umount2("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5810] setpgid(0, 0 [pid 5809] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] openat(AT_FDCWD, "./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5810] <... setpgid resumed>) = 0 [pid 5809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] <... openat resumed>) = 4 [pid 5064] <... umount2 resumed>) = 0 [pid 5809] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5807] <... write resumed>) = 524288 [pid 5810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5808] munmap(0x7fdb7f81d000, 138412032 [pid 5069] newfstatat(4, "", [pid 5809] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5808] <... munmap resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5810] <... openat resumed>) = 3 [pid 5809] <... mprotect resumed>) = 0 [pid 5808] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] getdents64(4, [pid 5808] <... openat resumed>) = 4 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5809] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] getdents64(4, [pid 5810] write(3, "1000", 4 [pid 5809] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5808] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] umount2("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5810] <... write resumed>) = 4 [pid 5807] munmap(0x7fdb7f81d000, 138412032 [pid 5810] close(3 [pid 5809] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5807] <... munmap resumed>) = 0 [pid 5069] close(4 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5809] <... clone3 resumed> => {parent_tid=[5811]}, 88) = 5811 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5810] <... close resumed>) = 0 [pid 5807] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] <... close resumed>) = 0 [pid 5810] symlink("/dev/binderfs", "./binderfs" [pid 5809] rt_sigprocmask(SIG_SETMASK, [], [pid 5807] <... openat resumed>) = 4 [pid 5064] umount2("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5810] <... symlink resumed>) = 0 [pid 5069] rmdir("./58/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5809] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5811 attached [pid 5810] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... rmdir resumed>) = 0 [pid 5064] newfstatat(4, "", [pid 5810] <... futex resumed>) = 0 [pid 5809] <... futex resumed>) = 0 [pid 5807] ioctl(4, LOOP_SET_FD, 3 [pid 5069] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5810] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5809] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5811] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5810] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] getdents64(4, [pid 5811] <... rseq resumed>) = 0 [pid 5810] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5811] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5808] <... ioctl resumed>) = 0 [pid 5064] getdents64(4, [pid 5811] <... set_robust_list resumed>) = 0 [pid 5808] close(3 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5811] rt_sigprocmask(SIG_SETMASK, [], [pid 5064] close(4 [pid 5811] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5808] <... close resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5811] memfd_create("syzkaller", 0 [pid 5810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5808] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] newfstatat(AT_FDCWD, "./58/binderfs", [pid 5064] rmdir("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5811] <... memfd_create resumed>) = 3 [pid 5810] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5808] <... mkdir resumed>) = 0 [pid 5069] unlink("./58/binderfs" [pid 5811] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5810] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5064] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5810] <... mprotect resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5811] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5811] 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"..., 524288 [pid 5808] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] getdents64(3, [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5810] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5810] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] close(3 [pid 5064] newfstatat(AT_FDCWD, "./59/binderfs", [pid 5810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] <... close resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] unlink("./59/binderfs") = 0 [pid 5064] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] close(3) = 0 [pid 5064] rmdir("./59" [pid 5807] <... ioctl resumed>) = 0 [ 151.235082][ T5808] loop3: detected capacity change from 0 to 1024 [ 151.260594][ T5807] loop4: detected capacity change from 0 to 1024 [pid 5069] rmdir("./58" [pid 5064] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5812 attached [pid 5810] <... clone3 resumed> => {parent_tid=[5812]}, 88) = 5812 [pid 5807] close(3 [pid 5069] <... rmdir resumed>) = 0 [pid 5812] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053) = 0 [pid 5810] rt_sigprocmask(SIG_SETMASK, [], [pid 5807] <... close resumed>) = 0 [pid 5069] mkdir("./59", 0777 [pid 5064] mkdir("./60", 0777 [pid 5810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5807] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5812] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5810] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] <... mount resumed>) = 0 [pid 5807] <... mkdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 5810] <... futex resumed>) = 0 [pid 5812] <... set_robust_list resumed>) = 0 [pid 5808] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5812] rt_sigprocmask(SIG_SETMASK, [], [pid 5808] <... openat resumed>) = 3 [pid 5812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5808] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... openat resumed>) = 3 [pid 5812] memfd_create("syzkaller", 0 [pid 5808] <... chdir resumed>) = 0 [pid 5812] <... memfd_create resumed>) = 3 [pid 5808] ioctl(4, LOOP_CLR_FD [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5812] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5808] <... ioctl resumed>) = 0 [pid 5812] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5810] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5808] close(4 [pid 5807] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5064] <... ioctl resumed>) = 0 [pid 5808] <... close resumed>) = 0 [pid 5064] close(3 [pid 5808] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... openat resumed>) = 3 [pid 5064] <... close resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5811] <... write resumed>) = 524288 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5808] <... futex resumed>) = 1 [pid 5805] <... futex resumed>) = 0 [pid 5069] close(3 [pid 5808] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5805] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] <... mknod resumed>) = 0 [pid 5805] <... futex resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5813 [pid 5811] munmap(0x7fdb7f81d000, 138412032 [pid 5805] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... close resumed>) = 0 [pid 5811] <... munmap resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5813 attached [pid 5813] set_robust_list(0x5555556c56a0, 24 [pid 5811] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5808] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] <... set_robust_list resumed>) = 0 [pid 5811] <... openat resumed>) = 4 [pid 5808] <... futex resumed>) = 1 [pid 5807] <... mount resumed>) = 0 [pid 5805] <... futex resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5814 ./strace-static-x86_64: Process 5814 attached [pid 5814] set_robust_list(0x5555556c56a0, 24 [pid 5813] chdir("./60" [pid 5812] 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"..., 524288 [pid 5808] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5807] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5805] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... set_robust_list resumed>) = 0 [pid 5813] <... chdir resumed>) = 0 [pid 5811] ioctl(4, LOOP_SET_FD, 3 [pid 5807] <... openat resumed>) = 3 [pid 5805] <... futex resumed>) = 0 [pid 5814] chdir("./59" [pid 5813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5811] <... ioctl resumed>) = 0 [pid 5807] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5805] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5813] <... prctl resumed>) = 0 [pid 5813] setpgid(0, 0 [pid 5808] <... open resumed>) = 4 [pid 5807] <... chdir resumed>) = 0 [pid 5814] <... chdir resumed>) = 0 [pid 5807] ioctl(4, LOOP_CLR_FD [pid 5814] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5808] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] <... ioctl resumed>) = 0 [pid 5813] <... setpgid resumed>) = 0 [pid 5808] <... futex resumed>) = 1 [pid 5805] <... futex resumed>) = 0 [pid 5807] close(4 [pid 5814] <... prctl resumed>) = 0 [pid 5813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5808] sync( [pid 5807] <... close resumed>) = 0 [pid 5805] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] setpgid(0, 0 [pid 5807] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] <... futex resumed>) = 0 [pid 5814] <... setpgid resumed>) = 0 [pid 5807] <... futex resumed>) = 1 [pid 5806] <... futex resumed>) = 0 [pid 5805] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5813] <... openat resumed>) = 3 [pid 5807] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5806] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] <... mknod resumed>) = 0 [pid 5806] <... futex resumed>) = 0 [pid 5814] <... openat resumed>) = 3 [pid 5807] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5806] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5814] write(3, "1000", 4 [pid 5813] write(3, "1000", 4 [pid 5812] <... write resumed>) = 524288 [pid 5811] close(3 [pid 5807] <... futex resumed>) = 0 [pid 5806] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5814] <... write resumed>) = 4 [pid 5813] <... write resumed>) = 4 [pid 5811] <... close resumed>) = 0 [pid 5807] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 151.406676][ T5811] loop2: detected capacity change from 0 to 1024 [pid 5806] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] close(3 [pid 5812] munmap(0x7fdb7f81d000, 138412032 [pid 5811] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5806] <... futex resumed>) = 0 [pid 5814] close(3 [pid 5813] <... close resumed>) = 0 [pid 5812] <... munmap resumed>) = 0 [pid 5811] <... mkdir resumed>) = 0 [pid 5807] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5813] symlink("/dev/binderfs", "./binderfs" [pid 5812] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5813] <... symlink resumed>) = 0 [pid 5812] <... openat resumed>) = 4 [pid 5813] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5811] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5814] <... close resumed>) = 0 [pid 5813] <... futex resumed>) = 0 [pid 5812] ioctl(4, LOOP_SET_FD, 3 [pid 5806] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5814] symlink("/dev/binderfs", "./binderfs" [pid 5813] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5813] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5805] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5813] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5813] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5813] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5814] <... symlink resumed>) = 0 [pid 5807] <... open resumed>) = 4 [pid 5814] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5811] <... mount resumed>) = 0 [pid 5807] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5814] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5813] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5811] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5807] <... futex resumed>) = 1 [pid 5806] <... futex resumed>) = 0 [pid 5814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5811] <... openat resumed>) = 3 [pid 5806] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5812] <... ioctl resumed>) = 0 [pid 5807] sync( [pid 5806] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5815 attached [pid 5814] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5813] <... clone3 resumed> => {parent_tid=[5815]}, 88) = 5815 [pid 5812] close(3 [pid 5811] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5808] <... sync resumed>) = 0 [pid 5806] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5815] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5814] <... mprotect resumed>) = 0 [pid 5813] rt_sigprocmask(SIG_SETMASK, [], [pid 5812] <... close resumed>) = 0 [pid 5811] <... chdir resumed>) = 0 [pid 5808] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5811] ioctl(4, LOOP_CLR_FD [pid 5812] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5811] <... ioctl resumed>) = 0 [pid 5815] <... rseq resumed>) = 0 [pid 5814] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5812] <... mkdir resumed>) = 0 [pid 5808] <... futex resumed>) = 0 [pid 5815] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5814] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5811] close(4 [pid 5808] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5805] exit_group(0./strace-static-x86_64: Process 5816 attached [pid 5815] <... set_robust_list resumed>) = 0 [pid 5813] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5811] <... close resumed>) = 0 [pid 5808] <... futex resumed>) = ? [pid 5805] <... exit_group resumed>) = ? [ 151.460484][ T5812] loop1: detected capacity change from 0 to 1024 [pid 5816] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5815] rt_sigprocmask(SIG_SETMASK, [], [pid 5814] <... clone3 resumed> => {parent_tid=[5816]}, 88) = 5816 [pid 5813] <... futex resumed>) = 0 [pid 5811] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5808] +++ exited with 0 +++ [pid 5807] <... sync resumed>) = 0 [pid 5805] +++ exited with 0 +++ [pid 5816] <... rseq resumed>) = 0 [pid 5815] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5814] rt_sigprocmask(SIG_SETMASK, [], [pid 5813] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5816] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5815] memfd_create("syzkaller", 0 [pid 5814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5816] <... set_robust_list resumed>) = 0 [pid 5814] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5805, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5816] rt_sigprocmask(SIG_SETMASK, [], [pid 5815] <... memfd_create resumed>) = 3 [pid 5811] <... futex resumed>) = 1 [pid 5809] <... futex resumed>) = 0 [pid 5807] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5815] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5811] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5809] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] <... futex resumed>) = 1 [pid 5806] <... futex resumed>) = 0 [pid 5816] memfd_create("syzkaller", 0 [pid 5815] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5814] <... futex resumed>) = 0 [pid 5811] <... mknod resumed>) = 0 [pid 5809] <... futex resumed>) = 0 [pid 5807] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5806] exit_group(0 [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5809] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5807] <... futex resumed>) = ? [pid 5806] <... exit_group resumed>) = ? [pid 5067] <... restart_syscall resumed>) = 0 [pid 5816] <... memfd_create resumed>) = 3 [pid 5814] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5811] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5807] +++ exited with 0 +++ [pid 5806] +++ exited with 0 +++ [pid 5816] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5815] 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"..., 524288 [pid 5812] <... mount resumed>) = 0 [pid 5811] <... futex resumed>) = 1 [pid 5809] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5806, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5816] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5809] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5812] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5809] <... futex resumed>) = 0 [pid 5067] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5812] <... openat resumed>) = 3 [pid 5811] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5812] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5816] 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"..., 524288 [pid 5812] <... chdir resumed>) = 0 [pid 5809] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5812] ioctl(4, LOOP_CLR_FD [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 3 [pid 5812] <... ioctl resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] getdents64(3, [pid 5812] close(4 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5812] <... close resumed>) = 0 [pid 5068] newfstatat(3, "", [pid 5067] umount2("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5812] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5815] <... write resumed>) = 524288 [pid 5812] <... futex resumed>) = 1 [pid 5810] <... futex resumed>) = 0 [pid 5068] getdents64(3, [pid 5810] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5810] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] umount2("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5812] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5811] <... open resumed>) = 4 [pid 5812] <... mknod resumed>) = 0 [pid 5811] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5809] <... futex resumed>) = 0 [pid 5811] sync( [pid 5809] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5809] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5812] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5810] <... futex resumed>) = 0 [pid 5816] <... write resumed>) = 524288 [pid 5815] munmap(0x7fdb7f81d000, 138412032 [pid 5812] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5810] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5815] <... munmap resumed>) = 0 [pid 5812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5810] <... futex resumed>) = 0 [pid 5816] munmap(0x7fdb7f81d000, 138412032 [pid 5810] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5816] <... munmap resumed>) = 0 [pid 5812] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5815] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5816] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5815] <... openat resumed>) = 4 [pid 5068] umount2("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5816] <... openat resumed>) = 4 [pid 5815] ioctl(4, LOOP_SET_FD, 3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5816] ioctl(4, LOOP_SET_FD, 3 [pid 5068] newfstatat(AT_FDCWD, "./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5809] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] umount2("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5068] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5811] <... sync resumed>) = 0 [pid 5816] <... ioctl resumed>) = 0 [pid 5812] <... open resumed>) = 4 [pid 5811] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 5067] umount2("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5816] close(3 [pid 5811] <... futex resumed>) = 0 [pid 5816] <... close resumed>) = 0 [pid 5812] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5811] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5816] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5812] <... futex resumed>) = 0 [pid 5810] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] getdents64(4, [pid 5067] newfstatat(AT_FDCWD, "./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5812] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5810] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5816] <... mkdir resumed>) = 0 [pid 5812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5810] <... futex resumed>) = 0 [pid 5809] exit_group(0 [pid 5068] close(4 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5812] sync( [pid 5811] <... futex resumed>) = ? [pid 5810] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5809] <... exit_group resumed>) = ? [pid 5068] <... close resumed>) = 0 [pid 5815] <... ioctl resumed>) = 0 [pid 5067] umount2("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5815] close(3 [pid 5068] rmdir("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5815] <... close resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5815] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5068] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 4 [pid 5815] <... mkdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5811] +++ exited with 0 +++ [pid 5809] +++ exited with 0 +++ [pid 5068] newfstatat(AT_FDCWD, "./60/binderfs", [pid 5067] newfstatat(4, "", [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5809, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5068] unlink("./60/binderfs" [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5815] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5816] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5068] <... unlink resumed>) = 0 [pid 5067] getdents64(4, [pid 5066] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(3, [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] getdents64(4, [ 151.661774][ T5815] loop0: detected capacity change from 0 to 1024 [ 151.669031][ T5816] loop5: detected capacity change from 0 to 1024 [pid 5066] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] close(3 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5068] rmdir("./60") = 0 [pid 5066] newfstatat(3, "", [pid 5068] mkdir("./61", 0777 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5067] close(4 [pid 5066] getdents64(3, [pid 5067] <... close resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] rmdir("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] umount2("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... rmdir resumed>) = 0 [pid 5815] <... mount resumed>) = 0 [pid 5067] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./59/binderfs", [pid 5816] <... mount resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5816] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5815] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] <... openat resumed>) = 3 [pid 5816] <... openat resumed>) = 3 [pid 5815] <... openat resumed>) = 3 [pid 5067] unlink("./59/binderfs" [pid 5816] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5815] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5812] <... sync resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5816] <... chdir resumed>) = 0 [pid 5812] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] ioctl(4, LOOP_CLR_FD [pid 5815] <... chdir resumed>) = 0 [pid 5812] <... futex resumed>) = 0 [pid 5810] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5816] <... ioctl resumed>) = 0 [pid 5815] ioctl(4, LOOP_CLR_FD [pid 5812] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5810] exit_group(0 [pid 5068] close(3 [pid 5816] close(4 [pid 5815] <... ioctl resumed>) = 0 [pid 5810] <... exit_group resumed>) = ? [pid 5068] <... close resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5816] <... close resumed>) = 0 [pid 5815] close(4 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] getdents64(3, [pid 5816] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5815] <... close resumed>) = 0 [pid 5812] <... futex resumed>) = ? [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5816] <... futex resumed>) = 1 [pid 5815] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5814] <... futex resumed>) = 0 [pid 5812] +++ exited with 0 +++ [pid 5810] +++ exited with 0 +++ [pid 5067] close(3 [pid 5816] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5814] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5814] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5810, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5816] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5814] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5817 attached [pid 5816] <... mknod resumed>) = 0 [pid 5815] <... futex resumed>) = 1 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5817 [pid 5067] <... close resumed>) = 0 [pid 5066] <... umount2 resumed>) = 0 [pid 5817] set_robust_list(0x5555556c56a0, 24 [pid 5815] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5813] <... futex resumed>) = 0 [pid 5067] rmdir("./59" [pid 5817] <... set_robust_list resumed>) = 0 [pid 5816] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... rmdir resumed>) = 0 [pid 5065] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5816] <... futex resumed>) = 1 [pid 5814] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5816] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5814] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5816] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5814] <... futex resumed>) = 0 [pid 5817] chdir("./61" [pid 5815] <... futex resumed>) = 0 [pid 5814] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5813] <... futex resumed>) = 1 [pid 5067] mkdir("./60", 0777 [pid 5065] <... openat resumed>) = 3 [pid 5817] <... chdir resumed>) = 0 [pid 5815] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5813] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... mkdir resumed>) = 0 [pid 5817] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5816] <... open resumed>) = 4 [pid 5815] <... mknod resumed>) = 0 [pid 5065] newfstatat(3, "", [pid 5817] <... prctl resumed>) = 0 [pid 5816] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5815] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5066] umount2("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5817] setpgid(0, 0 [pid 5816] <... futex resumed>) = 1 [pid 5815] <... futex resumed>) = 1 [pid 5814] <... futex resumed>) = 0 [pid 5813] <... futex resumed>) = 0 [pid 5817] <... setpgid resumed>) = 0 [pid 5816] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5815] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5814] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... openat resumed>) = 3 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5814] <... futex resumed>) = 0 [pid 5813] <... futex resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5066] newfstatat(AT_FDCWD, "./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] getdents64(3, [pid 5817] <... openat resumed>) = 3 [pid 5816] sync( [pid 5815] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5814] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5813] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5817] write(3, "1000", 4 [pid 5067] close(3 [pid 5066] umount2("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... close resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] openat(AT_FDCWD, "./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5066] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 5818 [pid 5066] close(4) = 0 [pid 5066] rmdir("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5817] <... write resumed>) = 4 [pid 5817] close(3) = 0 ./strace-static-x86_64: Process 5818 attached [pid 5817] symlink("/dev/binderfs", "./binderfs" [pid 5066] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5818] set_robust_list(0x5555556c56a0, 24 [pid 5817] <... symlink resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5818] <... set_robust_list resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./59/binderfs", [pid 5818] chdir("./60" [pid 5817] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5818] <... chdir resumed>) = 0 [pid 5817] <... futex resumed>) = 0 [pid 5066] unlink("./59/binderfs" [pid 5818] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5817] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5815] <... open resumed>) = 4 [pid 5066] <... unlink resumed>) = 0 [pid 5818] <... prctl resumed>) = 0 [pid 5817] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5815] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] getdents64(3, [pid 5818] setpgid(0, 0 [pid 5817] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5815] <... futex resumed>) = 1 [pid 5813] <... futex resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5818] <... setpgid resumed>) = 0 [pid 5817] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5815] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5813] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] close(3 [pid 5818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5817] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5813] <... futex resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5817] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5815] sync( [pid 5813] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5818] <... openat resumed>) = 3 [pid 5817] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5066] rmdir("./59" [pid 5818] write(3, "1000", 4 [pid 5817] <... mprotect resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5818] <... write resumed>) = 4 [pid 5817] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] mkdir("./60", 0777 [pid 5818] close(3 [pid 5066] <... mkdir resumed>) = 0 [pid 5818] <... close resumed>) = 0 [pid 5817] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5817] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5066] <... openat resumed>) = 3 [pid 5817] <... clone3 resumed> => {parent_tid=[5819]}, 88) = 5819 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5817] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] close(3./strace-static-x86_64: Process 5819 attached [pid 5818] symlink("/dev/binderfs", "./binderfs" [pid 5817] <... futex resumed>) = 0 [pid 5819] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5818] <... symlink resumed>) = 0 [pid 5817] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5066] <... close resumed>) = 0 [pid 5819] <... rseq resumed>) = 0 [pid 5819] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5814] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5819] <... set_robust_list resumed>) = 0 [pid 5819] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5818] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5819] memfd_create("syzkaller", 0 [pid 5818] <... futex resumed>) = 0 [pid 5819] <... memfd_create resumed>) = 3 [pid 5818] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, ./strace-static-x86_64: Process 5820 attached [pid 5819] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5818] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5820] set_robust_list(0x5555556c56a0, 24 [pid 5819] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5818] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5819] 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"..., 524288 [pid 5818] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5820 [pid 5065] <... umount2 resumed>) = 0 [pid 5820] <... set_robust_list resumed>) = 0 [pid 5820] chdir("./60" [pid 5818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] umount2("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5820] <... chdir resumed>) = 0 [pid 5818] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5820] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5818] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5818] <... mprotect resumed>) = 0 [pid 5816] <... sync resumed>) = 0 [pid 5815] <... sync resumed>) = 0 [pid 5820] <... prctl resumed>) = 0 [pid 5818] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5816] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(AT_FDCWD, "./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5820] setpgid(0, 0 [pid 5818] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5816] <... futex resumed>) = 0 [pid 5815] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] <... setpgid resumed>) = 0 [pid 5818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5814] exit_group(0 [pid 5813] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] umount2("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5814] <... exit_group resumed>) = ? [pid 5820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5815] <... futex resumed>) = 0 [pid 5813] exit_group(0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5813] <... exit_group resumed>) = ? [pid 5065] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5821 attached [pid 5815] +++ exited with 0 +++ [pid 5813] +++ exited with 0 +++ [pid 5065] newfstatat(4, "", [pid 5821] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053) = 0 [pid 5820] <... openat resumed>) = 3 [pid 5818] <... clone3 resumed> => {parent_tid=[5821]}, 88) = 5821 [pid 5816] +++ exited with 0 +++ [pid 5814] +++ exited with 0 +++ [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5813, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5821] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5814, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] getdents64(4, [pid 5818] rt_sigprocmask(SIG_SETMASK, [], [pid 5821] <... set_robust_list resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5821] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] getdents64(4, [pid 5821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5821] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] close(4 [pid 5820] write(3, "1000", 4 [pid 5818] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... close resumed>) = 0 [pid 5820] <... write resumed>) = 4 [pid 5819] <... write resumed>) = 524288 [pid 5818] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] rmdir("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5820] close(3 [pid 5818] <... futex resumed>) = 1 [pid 5820] <... close resumed>) = 0 [pid 5818] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5820] symlink("/dev/binderfs", "./binderfs" [pid 5821] <... futex resumed>) = 0 [pid 5820] <... symlink resumed>) = 0 [pid 5069] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... rmdir resumed>) = 0 [pid 5821] memfd_create("syzkaller", 0 [pid 5820] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] <... memfd_create resumed>) = 3 [pid 5820] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5821] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5820] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5069] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5821] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5820] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5819] munmap(0x7fdb7f81d000, 138412032 [pid 5069] <... openat resumed>) = 3 [pid 5065] newfstatat(AT_FDCWD, "./59/binderfs", [pid 5064] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5820] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5819] <... munmap resumed>) = 0 [pid 5069] newfstatat(3, "", [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5820] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5819] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5819] <... openat resumed>) = 4 [pid 5064] newfstatat(3, "", [pid 5820] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5819] ioctl(4, LOOP_SET_FD, 3 [pid 5821] 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"..., 524288 [pid 5820] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5069] getdents64(3, [pid 5065] unlink("./59/binderfs" [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5820] <... mprotect resumed>) = 0 [pid 5064] getdents64(3, [pid 5820] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] umount2("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5820] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5820] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... unlink resumed>) = 0 [pid 5820] <... clone3 resumed> => {parent_tid=[5822]}, 88) = 5822 [pid 5820] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5820] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5820] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] umount2("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] getdents64(3, ./strace-static-x86_64: Process 5822 attached [pid 5819] <... ioctl resumed>) = 0 [pid 5822] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053) = 0 [pid 5819] close(3 [pid 5822] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5819] <... close resumed>) = 0 [pid 5822] <... set_robust_list resumed>) = 0 [pid 5819] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5822] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5819] <... mkdir resumed>) = 0 [pid 5822] memfd_create("syzkaller", 0) = 3 [pid 5822] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 5822] 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"..., 524288 [pid 5819] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5065] close(3) = 0 [pid 5065] rmdir("./59") = 0 [pid 5065] mkdir("./60", 0777) = 0 [ 151.961460][ T5819] loop4: detected capacity change from 0 to 1024 [pid 5819] <... mount resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5064] <... umount2 resumed>) = 0 [pid 5819] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5819] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5819] ioctl(4, LOOP_CLR_FD) = 0 [pid 5819] close(4 [pid 5822] <... write resumed>) = 524288 [pid 5819] <... close resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5069] umount2("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] newfstatat(AT_FDCWD, "./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5819] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5819] <... futex resumed>) = 1 [pid 5817] <... futex resumed>) = 0 [pid 5069] umount2("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] close(3 [pid 5064] umount2("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5819] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5817] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5819] <... mknod resumed>) = 0 [pid 5817] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5817] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... openat resumed>) = 4 [pid 5064] openat(AT_FDCWD, "./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5819] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... close resumed>) = 0 [pid 5064] <... openat resumed>) = 4 [pid 5819] <... futex resumed>) = 1 [pid 5817] <... futex resumed>) = 0 [pid 5819] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5817] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] newfstatat(4, "", [pid 5819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5817] <... futex resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5819] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5817] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] newfstatat(4, "", [pid 5064] getdents64(4, [pid 5821] <... write resumed>) = 524288 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(4, [pid 5064] close(4 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... close resumed>) = 0 [pid 5069] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] rmdir("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] close(4) = 0 [pid 5822] munmap(0x7fdb7f81d000, 138412032 [pid 5069] rmdir("./59/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... rmdir resumed>) = 0 [pid 5822] <... munmap resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5822] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5822] ioctl(4, LOOP_SET_FD, 3 [pid 5064] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5821] munmap(0x7fdb7f81d000, 138412032 [pid 5069] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5823 attached [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./60/binderfs", [pid 5823] set_robust_list(0x5555556c56a0, 24 [pid 5069] newfstatat(AT_FDCWD, "./59/binderfs", [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5823 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5821] <... munmap resumed>) = 0 [pid 5823] <... set_robust_list resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] unlink("./60/binderfs" [pid 5823] chdir("./60" [pid 5821] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] unlink("./59/binderfs" [pid 5064] <... unlink resumed>) = 0 [pid 5064] getdents64(3, [pid 5069] <... unlink resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5823] <... chdir resumed>) = 0 [pid 5064] close(3 [pid 5823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] getdents64(3, [pid 5064] <... close resumed>) = 0 [pid 5823] <... prctl resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] rmdir("./60" [pid 5823] setpgid(0, 0 [pid 5821] <... openat resumed>) = 4 [pid 5069] close(3 [pid 5064] <... rmdir resumed>) = 0 [pid 5823] <... setpgid resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] rmdir("./59" [pid 5823] <... openat resumed>) = 3 [pid 5821] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... rmdir resumed>) = 0 [pid 5817] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5064] mkdir("./61", 0777 [pid 5823] write(3, "1000", 4 [pid 5822] <... ioctl resumed>) = 0 [pid 5817] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] mkdir("./60", 0777 [pid 5064] <... mkdir resumed>) = 0 [pid 5823] <... write resumed>) = 4 [pid 5822] close(3 [pid 5819] <... open resumed>) = 4 [pid 5817] <... futex resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5817] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5064] <... openat resumed>) = 3 [pid 5821] <... ioctl resumed>) = 0 [pid 5817] <... mmap resumed>) = 0x7fdb87bfc000 [pid 5817] mprotect(0x7fdb87bfd000, 131072, PROT_READ|PROT_WRITE [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5823] close(3 [pid 5822] <... close resumed>) = 0 [pid 5819] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5064] <... ioctl resumed>) = 0 [pid 5822] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5821] close(3 [pid 5819] <... futex resumed>) = 0 [pid 5817] <... mprotect resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5822] <... mkdir resumed>) = 0 [pid 5821] <... close resumed>) = 0 [pid 5819] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5817] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5064] close(3 [pid 5823] <... close resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] <... close resumed>) = 0 [pid 5823] symlink("/dev/binderfs", "./binderfs" [pid 5069] close(3 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5823] <... symlink resumed>) = 0 [pid 5821] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5817] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... close resumed>) = 0 [pid 5821] <... mkdir resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5821] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5817] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c1c990, parent_tid=0x7fdb87c1c990, exit_signal=0, stack=0x7fdb87bfc000, stack_size=0x20300, tls=0x7fdb87c1c6c0} [pid 5823] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5823] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5823] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5824 ./strace-static-x86_64: Process 5824 attached ./strace-static-x86_64: Process 5825 attached [pid 5823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5817] <... clone3 resumed> => {parent_tid=[5826]}, 88) = 5826 [pid 5825] set_robust_list(0x5555556c56a0, 24 [pid 5824] set_robust_list(0x5555556c56a0, 24 [pid 5823] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5822] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5817] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5825 [pid 5825] <... set_robust_list resumed>) = 0 [pid 5824] <... set_robust_list resumed>) = 0 [pid 5823] <... mmap resumed>) = 0x7fdb87c1d000 ./strace-static-x86_64: Process 5826 attached [pid 5825] chdir("./60" [pid 5824] chdir("./61" [pid 5823] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5817] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] <... chdir resumed>) = 0 [pid 5826] rseq(0x7fdb87c1cfe0, 0x20, 0, 0x53053053 [pid 5824] <... chdir resumed>) = 0 [pid 5823] <... mprotect resumed>) = 0 [ 152.063634][ T5822] loop2: detected capacity change from 0 to 1024 [ 152.098274][ T5821] loop3: detected capacity change from 0 to 1024 [pid 5817] futex(0x7fdb87d096b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] <... rseq resumed>) = 0 [pid 5824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5823] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5817] <... futex resumed>) = 0 [pid 5825] <... prctl resumed>) = 0 [pid 5826] set_robust_list(0x7fdb87c1c9a0, 24 [pid 5824] <... prctl resumed>) = 0 [pid 5823] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5825] setpgid(0, 0 [pid 5824] setpgid(0, 0 [pid 5823] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 5827 attached [pid 5825] <... setpgid resumed>) = 0 [pid 5824] <... setpgid resumed>) = 0 [pid 5827] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5827] <... rseq resumed>) = 0 [pid 5824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5823] <... clone3 resumed> => {parent_tid=[5827]}, 88) = 5827 [pid 5827] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5826] <... set_robust_list resumed>) = 0 [pid 5817] futex(0x7fdb87d096bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5826] rt_sigprocmask(SIG_SETMASK, [], [pid 5827] <... set_robust_list resumed>) = 0 [pid 5825] <... openat resumed>) = 3 [pid 5826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5824] <... openat resumed>) = 3 [pid 5823] rt_sigprocmask(SIG_SETMASK, [], [pid 5827] rt_sigprocmask(SIG_SETMASK, [], [pid 5825] write(3, "1000", 4 [pid 5824] write(3, "1000", 4 [pid 5823] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5826] sync( [pid 5827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5825] <... write resumed>) = 4 [pid 5824] <... write resumed>) = 4 [pid 5822] <... mount resumed>) = 0 [pid 5821] <... mount resumed>) = 0 [pid 5821] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5827] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5824] close(3 [pid 5822] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5825] close(3 [pid 5824] <... close resumed>) = 0 [pid 5823] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] <... openat resumed>) = 3 [pid 5821] <... openat resumed>) = 3 [pid 5827] <... futex resumed>) = 0 [pid 5823] <... futex resumed>) = 1 [pid 5827] memfd_create("syzkaller", 0 [pid 5823] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5821] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5821] ioctl(4, LOOP_CLR_FD [pid 5827] <... memfd_create resumed>) = 3 [pid 5825] <... close resumed>) = 0 [pid 5824] symlink("/dev/binderfs", "./binderfs" [pid 5822] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5821] <... ioctl resumed>) = 0 [pid 5825] symlink("/dev/binderfs", "./binderfs" [pid 5824] <... symlink resumed>) = 0 [pid 5822] <... chdir resumed>) = 0 [pid 5821] close(4 [pid 5824] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] ioctl(4, LOOP_CLR_FD [pid 5821] <... close resumed>) = 0 [pid 5824] <... futex resumed>) = 0 [pid 5822] <... ioctl resumed>) = 0 [pid 5821] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5825] <... symlink resumed>) = 0 [pid 5824] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5822] close(4 [pid 5827] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5825] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5822] <... close resumed>) = 0 [pid 5821] <... futex resumed>) = 1 [pid 5818] <... futex resumed>) = 0 [pid 5827] 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"..., 524288 [pid 5825] <... futex resumed>) = 0 [pid 5826] <... sync resumed>) = 0 [pid 5824] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5822] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5821] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5818] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5826] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5822] <... futex resumed>) = 1 [pid 5821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5820] <... futex resumed>) = 0 [pid 5818] <... futex resumed>) = 0 [pid 5825] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5826] <... futex resumed>) = 1 [pid 5824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5822] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5821] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5820] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5818] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5817] <... futex resumed>) = 0 [pid 5825] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5826] futex(0x7fdb87d096b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5824] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5822] <... mknod resumed>) = 0 [pid 5817] exit_group(0 [pid 5825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5824] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5822] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] <... futex resumed>) = 0 [pid 5825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5826] <... futex resumed>) = ? [pid 5824] <... mprotect resumed>) = 0 [pid 5822] <... futex resumed>) = 0 [pid 5821] <... mknod resumed>) = 0 [pid 5820] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5819] <... futex resumed>) = ? [pid 5817] <... exit_group resumed>) = ? [pid 5825] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5826] +++ exited with 0 +++ [pid 5824] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5822] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5819] +++ exited with 0 +++ [pid 5825] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5824] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5820] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... mprotect resumed>) = 0 [pid 5824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5822] <... futex resumed>) = 0 [pid 5820] <... futex resumed>) = 1 [pid 5822] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5820] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5821] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5817] +++ exited with 0 +++ [pid 5821] <... futex resumed>) = 1 [pid 5818] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5817, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5825] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5821] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5818] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5824] <... clone3 resumed> => {parent_tid=[5828]}, 88) = 5828 [pid 5818] <... futex resumed>) = 0 [pid 5825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5824] rt_sigprocmask(SIG_SETMASK, [], [pid 5822] <... open resumed>) = 4 [pid 5818] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5829 attached ./strace-static-x86_64: Process 5828 attached [pid 5824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5822] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5829] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5828] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5825] <... clone3 resumed> => {parent_tid=[5829]}, 88) = 5829 [pid 5824] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5822] <... futex resumed>) = 1 [pid 5820] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... rseq resumed>) = 0 [pid 5828] <... rseq resumed>) = 0 [pid 5825] rt_sigprocmask(SIG_SETMASK, [], [pid 5824] <... futex resumed>) = 0 [pid 5828] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5824] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5820] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5828] <... set_robust_list resumed>) = 0 [pid 5825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5820] <... futex resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5825] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... openat resumed>) = 3 [pid 5825] <... futex resumed>) = 0 [pid 5068] newfstatat(3, "", [pid 5827] <... write resumed>) = 524288 [pid 5825] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... set_robust_list resumed>) = 0 [pid 5828] rt_sigprocmask(SIG_SETMASK, [], [pid 5822] sync( [pid 5821] <... open resumed>) = 4 [pid 5068] getdents64(3, [pid 5829] rt_sigprocmask(SIG_SETMASK, [], [pid 5828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5828] memfd_create("syzkaller", 0 [pid 5068] umount2("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5829] memfd_create("syzkaller", 0 [pid 5828] <... memfd_create resumed>) = 3 [pid 5821] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] munmap(0x7fdb7f81d000, 138412032 [pid 5068] <... umount2 resumed>) = 0 [pid 5829] <... memfd_create resumed>) = 3 [pid 5828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5828] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5829] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5828] 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"..., 524288 [pid 5827] <... munmap resumed>) = 0 [pid 5821] <... futex resumed>) = 1 [pid 5818] <... futex resumed>) = 0 [pid 5821] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5818] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5818] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5821] sync( [pid 5068] umount2("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5068] umount2("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] 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"..., 524288 [pid 5068] openat(AT_FDCWD, "./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... write resumed>) = 524288 [pid 5827] <... openat resumed>) = 4 [pid 5822] <... sync resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5822] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5820] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5820] exit_group(0 [pid 5822] <... futex resumed>) = ? [pid 5820] <... exit_group resumed>) = ? [pid 5822] +++ exited with 0 +++ [pid 5827] ioctl(4, LOOP_SET_FD, 3 [pid 5820] +++ exited with 0 +++ [pid 5068] newfstatat(4, "", [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5820, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, [pid 5828] <... write resumed>) = 524288 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, [pid 5821] <... sync resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] close(4 [pid 5066] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5821] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] rmdir("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... rmdir resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5066] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(3, [pid 5068] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] umount2("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5821] <... futex resumed>) = 1 [pid 5829] munmap(0x7fdb7f81d000, 138412032 [pid 5068] newfstatat(AT_FDCWD, "./61/binderfs", [pid 5829] <... munmap resumed>) = 0 [pid 5821] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5818] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5828] munmap(0x7fdb7f81d000, 138412032 [pid 5827] <... ioctl resumed>) = 0 [pid 5818] exit_group(0 [pid 5068] unlink("./61/binderfs" [pid 5829] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5821] <... futex resumed>) = ? [pid 5818] <... exit_group resumed>) = ? [pid 5829] <... openat resumed>) = 4 [pid 5829] ioctl(4, LOOP_SET_FD, 3 [pid 5821] +++ exited with 0 +++ [pid 5068] <... unlink resumed>) = 0 [pid 5827] close(3 [pid 5818] +++ exited with 0 +++ [pid 5827] <... close resumed>) = 0 [pid 5827] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5818, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5068] getdents64(3, [pid 5828] <... munmap resumed>) = 0 [pid 5827] <... mkdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5827] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5068] close(3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5068] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... ioctl resumed>) = 0 [pid 5828] <... openat resumed>) = 4 [pid 5068] rmdir("./61" [pid 5067] <... openat resumed>) = 3 [pid 5829] close(3 [pid 5828] ioctl(4, LOOP_SET_FD, 3 [pid 5068] <... rmdir resumed>) = 0 [ 152.298775][ T5827] loop1: detected capacity change from 0 to 1024 [ 152.329565][ T5829] loop5: detected capacity change from 0 to 1024 [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... close resumed>) = 0 [pid 5068] mkdir("./62", 0777 [pid 5067] getdents64(3, [pid 5829] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5068] <... mkdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5829] <... mkdir resumed>) = 0 [pid 5827] <... mount resumed>) = 0 [pid 5067] umount2("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5827] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5066] <... umount2 resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5829] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5827] <... openat resumed>) = 3 [pid 5827] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5066] umount2("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5827] ioctl(4, LOOP_CLR_FD [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5827] <... ioctl resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5827] close(4 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5827] <... close resumed>) = 0 [pid 5066] umount2("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5827] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5827] <... futex resumed>) = 1 [pid 5823] <... futex resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5828] <... ioctl resumed>) = 0 [pid 5827] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5823] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... openat resumed>) = 4 [pid 5828] close(3 [pid 5827] <... mknod resumed>) = 0 [pid 5823] <... futex resumed>) = 0 [pid 5828] <... close resumed>) = 0 [pid 5823] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5828] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5066] newfstatat(4, "", [pid 5828] <... mkdir resumed>) = 0 [pid 5827] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5827] <... futex resumed>) = 1 [pid 5823] <... futex resumed>) = 0 [pid 5827] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5823] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5823] <... futex resumed>) = 0 [pid 5827] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5823] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 152.344260][ T5828] loop0: detected capacity change from 0 to 1024 [pid 5828] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5066] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] close(4) = 0 [pid 5066] rmdir("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5829] <... mount resumed>) = 0 [pid 5066] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... openat resumed>) = 3 [pid 5066] newfstatat(AT_FDCWD, "./60/binderfs", [pid 5829] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... chdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5066] unlink("./60/binderfs" [pid 5829] ioctl(4, LOOP_CLR_FD) = 0 [pid 5066] <... unlink resumed>) = 0 [pid 5829] close(4) = 0 [pid 5067] umount2("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] getdents64(3, [pid 5829] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5829] <... futex resumed>) = 1 [pid 5825] <... futex resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] close(3 [pid 5829] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... close resumed>) = 0 [pid 5829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5825] <... futex resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5825] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] rmdir("./60" [pid 5829] <... mknod resumed>) = 0 [pid 5827] <... open resumed>) = 4 [pid 5067] umount2("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5827] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5829] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] <... mount resumed>) = 0 [pid 5823] <... futex resumed>) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... rmdir resumed>) = 0 [pid 5827] sync( [pid 5823] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] close(3 [pid 5823] <... futex resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5823] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... openat resumed>) = 4 [pid 5828] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5067] newfstatat(4, "", [pid 5066] mkdir("./61", 0777 [pid 5828] <... openat resumed>) = 3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... mkdir resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5829] <... futex resumed>) = 1 [pid 5828] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5825] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5828] <... chdir resumed>) = 0 [pid 5825] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] getdents64(4, [pid 5829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5828] ioctl(4, LOOP_CLR_FD [pid 5825] <... futex resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5828] <... ioctl resumed>) = 0 [pid 5825] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5830 [pid 5828] close(4 [pid 5067] getdents64(4, [pid 5066] <... openat resumed>) = 3 [pid 5828] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5830 attached [pid 5830] set_robust_list(0x5555556c56a0, 24 [pid 5828] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] close(4 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5828] <... futex resumed>) = 1 [pid 5824] <... futex resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5066] close(3 [pid 5830] <... set_robust_list resumed>) = 0 [pid 5824] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] rmdir("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] <... close resumed>) = 0 [pid 5830] chdir("./62" [pid 5824] <... futex resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... chdir resumed>) = 0 [pid 5824] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5828] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5067] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5830] <... prctl resumed>) = 0 [pid 5828] <... mknod resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./60/binderfs", [pid 5830] setpgid(0, 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./60/binderfs"./strace-static-x86_64: Process 5831 attached [pid 5830] <... setpgid resumed>) = 0 [pid 5828] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... unlink resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5831 [pid 5831] set_robust_list(0x5555556c56a0, 24 [pid 5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5828] <... futex resumed>) = 1 [pid 5824] <... futex resumed>) = 0 [pid 5067] getdents64(3, [pid 5831] <... set_robust_list resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5828] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5824] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] chdir("./61" [pid 5830] write(3, "1000", 4 [pid 5829] <... open resumed>) = 4 [pid 5829] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5824] <... futex resumed>) = 0 [pid 5831] <... chdir resumed>) = 0 [pid 5830] <... write resumed>) = 4 [pid 5829] <... futex resumed>) = 1 [pid 5827] <... sync resumed>) = 0 [pid 5825] <... futex resumed>) = 0 [pid 5824] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5823] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] close(3 [pid 5827] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5825] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5823] exit_group(0 [pid 5831] <... prctl resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5827] <... futex resumed>) = 0 [pid 5831] setpgid(0, 0 [pid 5830] symlink("/dev/binderfs", "./binderfs" [pid 5829] sync( [pid 5825] <... futex resumed>) = 0 [pid 5823] <... exit_group resumed>) = ? [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5831] <... setpgid resumed>) = 0 [pid 5830] <... symlink resumed>) = 0 [pid 5827] +++ exited with 0 +++ [pid 5825] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] close(3) = 0 [pid 5067] rmdir("./60") = 0 [pid 5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] mkdir("./61", 0777 [pid 5831] <... openat resumed>) = 3 [pid 5830] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5067] <... mkdir resumed>) = 0 [pid 5831] write(3, "1000", 4 [pid 5830] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5831] <... write resumed>) = 4 [pid 5830] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5831] close(3 [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5823] +++ exited with 0 +++ [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5828] <... open resumed>) = 4 [pid 5067] <... openat resumed>) = 3 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5823, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5830] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5828] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5065] <... restart_syscall resumed>) = 0 [pid 5831] <... symlink resumed>) = 0 [pid 5828] <... futex resumed>) = 1 [pid 5824] <... futex resumed>) = 0 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5830] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5824] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] close(3 [pid 5830] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5824] <... futex resumed>) = 0 [pid 5067] <... close resumed>) = 0 ./strace-static-x86_64: Process 5832 attached [pid 5831] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5828] sync( [pid 5824] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5832] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5831] <... futex resumed>) = 0 [pid 5830] <... clone3 resumed> => {parent_tid=[5832]}, 88) = 5832 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... rseq resumed>) = 0 [pid 5831] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5830] rt_sigprocmask(SIG_SETMASK, [], [pid 5829] <... sync resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5831] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5829] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5833 attached [pid 5832] <... set_robust_list resumed>) = 0 [pid 5831] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5830] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5829] <... futex resumed>) = 1 [pid 5825] <... futex resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5833] set_robust_list(0x5555556c56a0, 24 [pid 5832] rt_sigprocmask(SIG_SETMASK, [], [pid 5831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5830] <... futex resumed>) = 0 [pid 5829] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5825] exit_group(0 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 5833 [pid 5833] <... set_robust_list resumed>) = 0 [pid 5832] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5830] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5829] <... futex resumed>) = ? [pid 5828] <... sync resumed>) = 0 [pid 5825] <... exit_group resumed>) = ? [pid 5065] newfstatat(3, "", [pid 5833] chdir("./61" [pid 5832] memfd_create("syzkaller", 0 [pid 5831] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5829] +++ exited with 0 +++ [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5832] <... memfd_create resumed>) = 3 [pid 5831] <... mprotect resumed>) = 0 [pid 5065] getdents64(3, [pid 5831] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5831] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5832] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5833] <... chdir resumed>) = 0 [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5833] setpgid(0, 0 [pid 5828] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5834 attached [pid 5833] <... setpgid resumed>) = 0 [pid 5832] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... clone3 resumed> => {parent_tid=[5834]}, 88) = 5834 [pid 5828] <... futex resumed>) = 1 [pid 5825] +++ exited with 0 +++ [pid 5824] <... futex resumed>) = 0 [pid 5065] umount2("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5834] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5828] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5824] exit_group(0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5825, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5833] <... openat resumed>) = 3 [pid 5828] <... futex resumed>) = ? [pid 5824] <... exit_group resumed>) = ? [pid 5834] <... rseq resumed>) = 0 [pid 5831] rt_sigprocmask(SIG_SETMASK, [], [pid 5828] +++ exited with 0 +++ [pid 5833] write(3, "1000", 4 [pid 5069] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5834] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5833] <... write resumed>) = 4 [pid 5831] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... set_robust_list resumed>) = 0 [pid 5833] close(3 [pid 5824] +++ exited with 0 +++ [pid 5069] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] rt_sigprocmask(SIG_SETMASK, [], [pid 5833] <... close resumed>) = 0 [pid 5831] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... openat resumed>) = 3 [pid 5834] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5833] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... futex resumed>) = 0 [pid 5069] newfstatat(3, "", [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5824, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5834] memfd_create("syzkaller", 0 [pid 5833] <... symlink resumed>) = 0 [pid 5831] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5834] <... memfd_create resumed>) = 3 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(3, [pid 5064] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] <... openat resumed>) = 3 [pid 5834] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5833] <... futex resumed>) = 0 [pid 5069] umount2("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] newfstatat(3, "", [pid 5833] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5064] getdents64(3, [pid 5833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5833] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5834] 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"..., 524288 [pid 5833] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5064] umount2("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5833] <... mprotect resumed>) = 0 [pid 5833] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... write resumed>) = 524288 [pid 5833] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5833] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} => {parent_tid=[5835]}, 88) = 5835 [pid 5833] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5833] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5835 attached [pid 5833] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5065] <... umount2 resumed>) = 0 [pid 5835] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053) = 0 [pid 5835] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 5835] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5835] memfd_create("syzkaller", 0) = 3 [pid 5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 5835] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] munmap(0x7fdb7f81d000, 138412032 [pid 5065] umount2("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5064] umount2("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... munmap resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5069] umount2("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] umount2("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5065] newfstatat(AT_FDCWD, "./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5834] <... write resumed>) = 524288 [pid 5832] <... openat resumed>) = 4 [pid 5069] newfstatat(AT_FDCWD, "./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] ioctl(4, LOOP_SET_FD, 3 [pid 5065] umount2("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] openat(AT_FDCWD, "./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5064] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] getdents64(4, [pid 5069] umount2("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] close(4 [pid 5069] openat(AT_FDCWD, "./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5064] rmdir("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] newfstatat(4, "", [pid 5832] <... ioctl resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... rmdir resumed>) = 0 [pid 5832] close(3 [pid 5069] getdents64(4, [pid 5065] openat(AT_FDCWD, "./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, [pid 5834] munmap(0x7fdb7f81d000, 138412032 [pid 5832] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] <... openat resumed>) = 4 [pid 5064] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] close(4 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... close resumed>) = 0 [pid 5064] newfstatat(AT_FDCWD, "./61/binderfs", [pid 5069] rmdir("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... munmap resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5065] newfstatat(4, "", [pid 5064] unlink("./61/binderfs" [pid 5832] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5835] <... write resumed>) = 524288 [pid 5065] getdents64(4, [pid 5064] <... unlink resumed>) = 0 [pid 5835] munmap(0x7fdb7f81d000, 138412032 [pid 5834] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] getdents64(3, [pid 5835] <... munmap resumed>) = 0 [pid 5834] <... openat resumed>) = 4 [pid 5065] getdents64(4, [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] close(3 [pid 5065] close(4 [pid 5064] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5834] ioctl(4, LOOP_SET_FD, 3 [pid 5065] <... close resumed>) = 0 [pid 5835] <... openat resumed>) = 4 [pid 5064] rmdir("./61" [pid 5835] ioctl(4, LOOP_SET_FD, 3 [pid 5834] <... ioctl resumed>) = 0 [pid 5065] rmdir("./60/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... rmdir resumed>) = 0 [ 152.657828][ T5832] loop4: detected capacity change from 0 to 1024 [ 152.697083][ T5834] loop2: detected capacity change from 0 to 1024 [pid 5834] close(3) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5064] mkdir("./62", 0777 [pid 5069] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] unlink("./60/binderfs") = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 5069] getdents64(3, [pid 5835] <... ioctl resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5834] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] close(3 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... openat resumed>) = 3 [pid 5835] close(3 [pid 5069] <... close resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./60/binderfs", [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5835] <... close resumed>) = 0 [pid 5069] rmdir("./60" [pid 5835] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5834] <... mkdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... ioctl resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5832] <... mount resumed>) = 0 [pid 5069] mkdir("./61", 0777 [pid 5065] unlink("./60/binderfs" [pid 5064] close(3 [pid 5835] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5834] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5832] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] <... mkdir resumed>) = 0 [pid 5065] <... unlink resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5065] getdents64(3, [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] <... openat resumed>) = 3 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5832] <... chdir resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5065] close(3 [ 152.716595][ T5835] loop3: detected capacity change from 0 to 1024 [pid 5832] ioctl(4, LOOP_CLR_FD [pid 5835] <... mount resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] <... close resumed>) = 0 [pid 5832] close(4 [pid 5835] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] <... close resumed>) = 0 [pid 5069] close(3 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5836 [pid 5832] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] rmdir("./60" [pid 5832] <... futex resumed>) = 1 [pid 5830] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5836 attached [pid 5835] <... openat resumed>) = 3 [pid 5832] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... close resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5836] set_robust_list(0x5555556c56a0, 24 [pid 5835] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... set_robust_list resumed>) = 0 [pid 5835] <... chdir resumed>) = 0 [pid 5832] <... mknod resumed>) = 0 [pid 5830] <... futex resumed>) = 0 [pid 5065] mkdir("./61", 0777 [pid 5836] chdir("./62" [pid 5835] ioctl(4, LOOP_CLR_FD [pid 5830] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] <... chdir resumed>) = 0 [pid 5835] <... ioctl resumed>) = 0 [pid 5065] <... mkdir resumed>) = 0 [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5835] close(4 [pid 5836] <... prctl resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5836] setpgid(0, 0 [pid 5835] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... setpgid resumed>) = 0 [pid 5835] <... futex resumed>) = 1 [pid 5833] <... futex resumed>) = 0 [pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... openat resumed>) = 3 [pid 5835] <... mknod resumed>) = 0 [pid 5833] <... futex resumed>) = 0 [pid 5832] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5836] write(3, "1000", 4 [pid 5835] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... mount resumed>) = 0 [pid 5833] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5832] <... futex resumed>) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5835] <... futex resumed>) = 0 [pid 5834] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5832] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... openat resumed>) = 3 [pid 5835] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5837 attached [pid 5836] <... write resumed>) = 4 [pid 5834] <... openat resumed>) = 3 [pid 5830] <... futex resumed>) = 0 [pid 5832] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5837] set_robust_list(0x5555556c56a0, 24 [pid 5836] close(3 [pid 5835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5834] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... futex resumed>) = 0 [pid 5830] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5837 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5835] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5834] <... chdir resumed>) = 0 [pid 5833] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] close(3 [pid 5837] chdir("./61" [pid 5836] symlink("/dev/binderfs", "./binderfs" [pid 5834] ioctl(4, LOOP_CLR_FD [pid 5832] <... open resumed>) = 4 [pid 5065] <... close resumed>) = 0 [pid 5837] <... chdir resumed>) = 0 [pid 5836] <... symlink resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... prctl resumed>) = 0 [pid 5836] <... futex resumed>) = 0 [pid 5835] <... open resumed>) = 4 [pid 5834] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5838 attached [pid 5837] setpgid(0, 0 [pid 5836] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5835] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] close(4 [pid 5832] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... setpgid resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5838 [pid 5836] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5837] <... openat resumed>) = 3 [pid 5836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] <... futex resumed>) = 1 [pid 5836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5835] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5833] <... futex resumed>) = 0 [pid 5837] write(3, "1000", 4 [pid 5836] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5833] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... write resumed>) = 4 [pid 5836] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5835] sync( [pid 5833] <... futex resumed>) = 0 [pid 5837] close(3 [pid 5836] <... mprotect resumed>) = 0 [pid 5833] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] <... close resumed>) = 0 [pid 5836] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5832] <... futex resumed>) = 1 [pid 5830] <... futex resumed>) = 0 [pid 5834] <... close resumed>) = 0 [pid 5832] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5830] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] set_robust_list(0x5555556c56a0, 24 [pid 5834] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5830] <... futex resumed>) = 0 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5837] symlink("/dev/binderfs", "./binderfs" [pid 5836] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5834] <... futex resumed>) = 1 [pid 5832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5831] <... futex resumed>) = 0 [pid 5830] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] chdir("./61" [pid 5837] <... symlink resumed>) = 0 [pid 5836] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5834] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] sync( [pid 5831] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... chdir resumed>) = 0 [pid 5837] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5839 attached [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] <... futex resumed>) = 0 [pid 5836] <... clone3 resumed> => {parent_tid=[5839]}, 88) = 5839 [pid 5834] <... mknod resumed>) = 0 [pid 5831] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5838] <... prctl resumed>) = 0 [pid 5837] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5836] rt_sigprocmask(SIG_SETMASK, [], [pid 5834] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5839] <... rseq resumed>) = 0 [pid 5838] setpgid(0, 0 [pid 5837] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5834] <... futex resumed>) = 0 [pid 5831] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5838] <... setpgid resumed>) = 0 [pid 5837] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5836] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5831] <... futex resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... futex resumed>) = 0 [pid 5833] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5831] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... set_robust_list resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5836] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5839] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] write(3, "1000", 4 [pid 5837] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... write resumed>) = 4 [pid 5837] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5835] <... sync resumed>) = 0 [pid 5832] <... sync resumed>) = 0 [pid 5839] memfd_create("syzkaller", 0 [pid 5838] close(3 [pid 5837] <... mprotect resumed>) = 0 [pid 5835] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... memfd_create resumed>) = 3 [pid 5838] <... close resumed>) = 0 [pid 5837] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5835] <... futex resumed>) = 0 [pid 5832] <... futex resumed>) = 0 [pid 5830] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5838] symlink("/dev/binderfs", "./binderfs" [pid 5830] exit_group(0 [pid 5837] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5835] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] <... symlink resumed>) = 0 [pid 5830] <... exit_group resumed>) = ? [pid 5838] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5833] exit_group(0 [pid 5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5838] <... futex resumed>) = 0 [pid 5835] <... futex resumed>) = ? [pid 5833] <... exit_group resumed>) = ? [pid 5839] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5838] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5837] <... clone3 resumed> => {parent_tid=[5840]}, 88) = 5840 [pid 5835] +++ exited with 0 +++ [pid 5833] +++ exited with 0 +++ ./strace-static-x86_64: Process 5840 attached [pid 5839] 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"..., 524288 [pid 5838] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5837] rt_sigprocmask(SIG_SETMASK, [], [pid 5834] <... open resumed>) = 4 [pid 5840] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5833, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5840] <... rseq resumed>) = 0 [pid 5838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5834] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5832] +++ exited with 0 +++ [pid 5830] +++ exited with 0 +++ [pid 5840] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5837] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... futex resumed>) = 0 [pid 5831] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5830, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5067] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5834] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5831] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5837] <... futex resumed>) = 0 [pid 5834] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5831] <... futex resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] sync( [pid 5831] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5838] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5837] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... openat resumed>) = 3 [pid 5840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] newfstatat(3, "", [pid 5840] memfd_create("syzkaller", 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... memfd_create resumed>) = 3 [pid 5067] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5839] <... write resumed>) = 524288 [pid 5068] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5067] umount2("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5840] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] munmap(0x7fdb7f81d000, 138412032 [pid 5838] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5068] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... mprotect resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5839] <... munmap resumed>) = 0 [pid 5838] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] newfstatat(3, "", [pid 5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5838] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5068] getdents64(3, ./strace-static-x86_64: Process 5841 attached [pid 5840] 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"..., 524288 [pid 5839] <... openat resumed>) = 4 [pid 5831] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] <... umount2 resumed>) = 0 [pid 5841] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5838] <... clone3 resumed> => {parent_tid=[5841]}, 88) = 5841 [pid 5067] umount2("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5841] <... rseq resumed>) = 0 [pid 5839] ioctl(4, LOOP_SET_FD, 3 [pid 5838] rt_sigprocmask(SIG_SETMASK, [], [pid 5834] <... sync resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5841] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5834] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5831] exit_group(0 [pid 5841] <... set_robust_list resumed>) = 0 [pid 5840] <... write resumed>) = 524288 [pid 5838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5834] <... futex resumed>) = ? [pid 5831] <... exit_group resumed>) = ? [pid 5841] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] +++ exited with 0 +++ [pid 5831] +++ exited with 0 +++ [pid 5838] <... futex resumed>) = 0 [pid 5841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] munmap(0x7fdb7f81d000, 138412032 [pid 5838] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5068] umount2("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] memfd_create("syzkaller", 0 [pid 5840] <... munmap resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5831, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5841] <... memfd_create resumed>) = 3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5840] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5068] <... umount2 resumed>) = 0 [pid 5841] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5840] <... openat resumed>) = 4 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5841] 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"..., 524288 [pid 5840] ioctl(4, LOOP_SET_FD, 3 [pid 5068] umount2("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(AT_FDCWD, "./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5067] openat(AT_FDCWD, "./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5066] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] newfstatat(4, "", [pid 5066] <... openat resumed>) = 3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] newfstatat(3, "", [pid 5067] getdents64(4, [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5840] <... ioctl resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] umount2("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5840] close(3 [pid 5068] <... openat resumed>) = 4 [pid 5067] getdents64(4, [pid 5840] <... close resumed>) = 0 [pid 5839] <... ioctl resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5840] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5839] close(3 [pid 5068] newfstatat(4, "", [pid 5067] close(4 [pid 5839] <... close resumed>) = 0 [pid 5841] <... write resumed>) = 524288 [pid 5840] <... mkdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5067] rmdir("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5839] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5841] munmap(0x7fdb7f81d000, 138412032 [pid 5840] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5839] <... mkdir resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5068] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [pid 5066] <... umount2 resumed>) = 0 [pid 5067] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] <... munmap resumed>) = 0 [pid 5068] rmdir("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] newfstatat(AT_FDCWD, "./61/binderfs", [pid 5841] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5839] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./61/binderfs" [pid 5841] <... openat resumed>) = 4 [ 153.047824][ T5839] loop0: detected capacity change from 0 to 1024 [ 153.086678][ T5840] loop5: detected capacity change from 0 to 1024 [pid 5841] ioctl(4, LOOP_SET_FD, 3 [pid 5840] <... mount resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5066] umount2("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5840] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5067] getdents64(3, [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] newfstatat(AT_FDCWD, "./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5840] <... openat resumed>) = 3 [pid 5067] close(3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./62/binderfs", [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... close resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] unlink("./62/binderfs") = 0 [pid 5067] rmdir("./61" [pid 5066] umount2("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(3, [pid 5067] <... rmdir resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] openat(AT_FDCWD, "./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] close(3) = 0 [pid 5067] mkdir("./62", 0777 [pid 5066] <... openat resumed>) = 4 [pid 5840] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] rmdir("./62" [pid 5840] <... chdir resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5066] newfstatat(4, "", [pid 5840] ioctl(4, LOOP_CLR_FD [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 5840] close(4 [pid 5066] getdents64(4, [pid 5840] <... close resumed>) = 0 [pid 5840] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] mkdir("./63", 0777 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5840] <... futex resumed>) = 1 [pid 5837] <... futex resumed>) = 0 [pid 5837] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] getdents64(4, [pid 5837] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... openat resumed>) = 3 [pid 5840] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5841] <... ioctl resumed>) = 0 [pid 5840] <... mknod resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5066] close(4) = 0 [pid 5066] rmdir("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5841] close(3 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5841] <... close resumed>) = 0 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] <... rmdir resumed>) = 0 [pid 5840] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5840] <... futex resumed>) = 1 [pid 5837] <... futex resumed>) = 0 [pid 5067] close(3 [pid 5066] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5841] <... mkdir resumed>) = 0 [pid 5840] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5837] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... close resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... futex resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./61/binderfs", [pid 5837] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... openat resumed>) = 3 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [ 153.135869][ T5841] loop1: detected capacity change from 0 to 1024 [pid 5066] unlink("./61/binderfs" [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5066] <... unlink resumed>) = 0 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5839] <... mount resumed>) = 0 [pid 5068] close(3 [pid 5839] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] <... close resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5841] <... mount resumed>) = 0 [pid 5839] ioctl(4, LOOP_CLR_FD) = 0 [pid 5839] close(4 [pid 5841] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5839] <... close resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5843 ./strace-static-x86_64: Process 5843 attached [pid 5841] <... openat resumed>) = 3 [pid 5839] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] getdents64(3, [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 5842 ./strace-static-x86_64: Process 5842 attached [pid 5842] set_robust_list(0x5555556c56a0, 24 [pid 5839] <... futex resumed>) = 1 [pid 5836] <... futex resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5841] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5839] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5836] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... set_robust_list resumed>) = 0 [pid 5841] <... chdir resumed>) = 0 [pid 5839] <... mknod resumed>) = 0 [pid 5836] <... futex resumed>) = 0 [pid 5066] close(3 [pid 5836] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... close resumed>) = 0 [pid 5843] set_robust_list(0x5555556c56a0, 24 [pid 5842] chdir("./62" [pid 5841] ioctl(4, LOOP_CLR_FD [pid 5066] rmdir("./61" [pid 5843] <... set_robust_list resumed>) = 0 [pid 5842] <... chdir resumed>) = 0 [pid 5841] <... ioctl resumed>) = 0 [pid 5843] chdir("./63" [pid 5841] close(4 [pid 5839] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... chdir resumed>) = 0 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5841] <... close resumed>) = 0 [pid 5839] <... futex resumed>) = 1 [pid 5836] <... futex resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5842] <... prctl resumed>) = 0 [pid 5839] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5836] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] mkdir("./62", 0777 [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] setpgid(0, 0 [pid 5841] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... open resumed>) = 4 [pid 5836] <... futex resumed>) = 0 [pid 5843] <... prctl resumed>) = 0 [pid 5842] <... setpgid resumed>) = 0 [pid 5841] <... futex resumed>) = 1 [pid 5839] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... futex resumed>) = 0 [pid 5836] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] setpgid(0, 0 [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] <... mkdir resumed>) = 0 [pid 5843] <... setpgid resumed>) = 0 [pid 5841] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5838] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5841] <... mknod resumed>) = 0 [pid 5838] <... futex resumed>) = 0 [pid 5836] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5843] <... openat resumed>) = 3 [pid 5842] <... openat resumed>) = 3 [pid 5839] <... futex resumed>) = 0 [pid 5838] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5836] <... futex resumed>) = 0 [pid 5841] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... openat resumed>) = 3 [pid 5843] write(3, "1000", 4 [pid 5842] write(3, "1000", 4 [pid 5840] <... open resumed>) = 4 [pid 5839] sync( [pid 5838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5837] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5842] <... write resumed>) = 4 [pid 5840] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... futex resumed>) = 0 [pid 5842] close(3 [pid 5840] <... futex resumed>) = 0 [pid 5837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5842] <... close resumed>) = 0 [pid 5840] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] close(3 [pid 5843] <... write resumed>) = 4 [pid 5842] symlink("/dev/binderfs", "./binderfs" [pid 5838] <... futex resumed>) = 0 [pid 5837] <... mmap resumed>) = 0x7fdb87bfc000 [pid 5066] <... close resumed>) = 0 [pid 5842] <... symlink resumed>) = 0 [pid 5841] <... futex resumed>) = 0 [pid 5838] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] mprotect(0x7fdb87bfd000, 131072, PROT_READ|PROT_WRITE [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] close(3 [pid 5842] <... futex resumed>) = 0 [pid 5841] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5843] <... close resumed>) = 0 [pid 5842] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5837] <... mprotect resumed>) = 0 [pid 5842] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5837] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5844 attached [pid 5843] symlink("/dev/binderfs", "./binderfs" [pid 5842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5841] <... open resumed>) = 4 [pid 5844] set_robust_list(0x5555556c56a0, 24 [pid 5843] <... symlink resumed>) = 0 [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5837] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5844] <... set_robust_list resumed>) = 0 [pid 5843] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c1c990, parent_tid=0x7fdb87c1c990, exit_signal=0, stack=0x7fdb87bfc000, stack_size=0x20300, tls=0x7fdb87c1c6c0} [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5844 [pid 5844] chdir("./62" [pid 5843] <... futex resumed>) = 0 [pid 5842] <... mmap resumed>) = 0x7fdb87c1d000 ./strace-static-x86_64: Process 5845 attached [pid 5844] <... chdir resumed>) = 0 [pid 5843] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5842] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5841] <... futex resumed>) = 1 [pid 5838] <... futex resumed>) = 0 [pid 5845] rseq(0x7fdb87c1cfe0, 0x20, 0, 0x53053053 [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5842] <... mprotect resumed>) = 0 [pid 5841] sync( [pid 5838] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... rseq resumed>) = 0 [pid 5844] <... prctl resumed>) = 0 [pid 5843] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5838] <... futex resumed>) = 0 [pid 5837] <... clone3 resumed> => {parent_tid=[5845]}, 88) = 5845 [pid 5836] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5845] set_robust_list(0x7fdb87c1c9a0, 24 [pid 5844] setpgid(0, 0 [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5841] <... sync resumed>) = 0 [pid 5839] <... sync resumed>) = 0 [pid 5838] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] rt_sigprocmask(SIG_SETMASK, [], [pid 5845] <... set_robust_list resumed>) = 0 [pid 5844] <... setpgid resumed>) = 0 [pid 5843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5841] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5845] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5841] <... futex resumed>) = 0 [pid 5839] <... futex resumed>) = 0 [pid 5838] exit_group(0 [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5841] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5839] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] futex(0x7fdb87d096b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] sync( [pid 5837] <... futex resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5844] write(3, "1000", 4 [pid 5843] <... mprotect resumed>) = 0 [pid 5841] <... futex resumed>) = ? [pid 5838] <... exit_group resumed>) = ? [pid 5837] futex(0x7fdb87d096bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] exit_group(0 [pid 5844] <... write resumed>) = 4 [pid 5844] close(3) = 0 [pid 5844] symlink("/dev/binderfs", "./binderfs" [pid 5843] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5841] +++ exited with 0 +++ [pid 5839] <... futex resumed>) = ? [pid 5838] +++ exited with 0 +++ [pid 5836] <... exit_group resumed>) = ? [pid 5843] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5842] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5839] +++ exited with 0 +++ [pid 5844] <... symlink resumed>) = 0 [pid 5843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 5846 attached [pid 5844] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] +++ exited with 0 +++ [pid 5846] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5843] <... clone3 resumed> => {parent_tid=[5846]}, 88) = 5846 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5836, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 5847 attached [pid 5846] <... rseq resumed>) = 0 [pid 5844] <... futex resumed>) = 0 [pid 5843] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5846] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5844] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5065] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5847] <... rseq resumed>) = 0 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5844] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] <... clone3 resumed> => {parent_tid=[5847]}, 88) = 5847 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5847] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5846] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5843] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] <... futex resumed>) = 0 [pid 5842] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... openat resumed>) = 3 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5847] <... set_robust_list resumed>) = 0 [pid 5846] memfd_create("syzkaller", 0 [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5842] <... futex resumed>) = 0 [pid 5847] rt_sigprocmask(SIG_SETMASK, [], [pid 5846] <... memfd_create resumed>) = 3 [pid 5842] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5065] newfstatat(3, "", [pid 5064] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] <... sync resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5845] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] memfd_create("syzkaller", 0 [pid 5846] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5845] <... futex resumed>) = 1 [pid 5837] <... futex resumed>) = 0 [pid 5065] getdents64(3, [pid 5847] <... memfd_create resumed>) = 3 [pid 5845] futex(0x7fdb87d096b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5844] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5837] exit_group(0 [pid 5064] <... openat resumed>) = 3 [pid 5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5845] <... futex resumed>) = ? [pid 5844] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5840] <... futex resumed>) = ? [pid 5837] <... exit_group resumed>) = ? [pid 5845] +++ exited with 0 +++ [pid 5847] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5844] <... mprotect resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] newfstatat(3, "", [pid 5846] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5844] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] +++ exited with 0 +++ [pid 5837] +++ exited with 0 +++ [pid 5065] umount2("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5844] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5837, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5847] 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"..., 524288 [pid 5846] <... write resumed>) = 524288 [pid 5844] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5064] getdents64(3, [pid 5069] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... umount2 resumed>) = 0 [pid 5065] umount2("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] umount2("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(AT_FDCWD, "./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5065] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5065] close(4 [pid 5844] <... clone3 resumed> => {parent_tid=[5848]}, 88) = 5848 ./strace-static-x86_64: Process 5848 attached [pid 5847] <... write resumed>) = 524288 [pid 5069] newfstatat(3, "", [pid 5844] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] <... close resumed>) = 0 [pid 5848] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] rmdir("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... umount2 resumed>) = 0 [pid 5844] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] getdents64(3, [pid 5848] <... rseq resumed>) = 0 [pid 5844] <... futex resumed>) = 0 [pid 5064] umount2("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5848] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5846] munmap(0x7fdb7f81d000, 138412032 [pid 5844] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... rmdir resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5848] <... set_robust_list resumed>) = 0 [pid 5069] umount2("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] newfstatat(AT_FDCWD, "./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5848] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5846] <... munmap resumed>) = 0 [pid 5065] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5848] memfd_create("syzkaller", 0 [pid 5846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] umount2("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(AT_FDCWD, "./61/binderfs", [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5848] <... memfd_create resumed>) = 3 [pid 5064] openat(AT_FDCWD, "./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5846] <... openat resumed>) = 4 [pid 5065] unlink("./61/binderfs") = 0 [pid 5846] ioctl(4, LOOP_SET_FD, 3 [pid 5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5847] munmap(0x7fdb7f81d000, 138412032 [pid 5069] <... umount2 resumed>) = 0 [pid 5065] getdents64(3, [pid 5064] <... openat resumed>) = 4 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] close(3) = 0 [pid 5065] rmdir("./61" [pid 5064] newfstatat(4, "", [pid 5847] <... munmap resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5848] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] umount2("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] mkdir("./62", 0777) = 0 [pid 5064] getdents64(4, [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5065] ioctl(3, LOOP_CLR_FD) = 0 [pid 5065] close(3) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] getdents64(4, ./strace-static-x86_64: Process 5849 attached [pid 5846] <... ioctl resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5849 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] umount2("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] close(4 [pid 5846] close(3 [pid 5849] set_robust_list(0x5555556c56a0, 24 [pid 5846] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... close resumed>) = 0 [pid 5849] <... set_robust_list resumed>) = 0 [pid 5848] 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"..., 524288 [pid 5847] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5846] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] openat(AT_FDCWD, "./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] rmdir("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5849] chdir("./62" [pid 5846] <... mkdir resumed>) = 0 [pid 5849] <... chdir resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5846] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5064] <... rmdir resumed>) = 0 [pid 5849] setpgid(0, 0 [pid 5847] <... openat resumed>) = 4 [pid 5069] newfstatat(4, "", [pid 5849] <... setpgid resumed>) = 0 [ 153.461596][ T5846] loop4: detected capacity change from 0 to 1024 [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5849] <... openat resumed>) = 3 [pid 5849] write(3, "1000", 4) = 4 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5847] ioctl(4, LOOP_SET_FD, 3 [pid 5069] getdents64(4, [pid 5064] newfstatat(AT_FDCWD, "./62/binderfs", [pid 5849] close(3 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5849] <... close resumed>) = 0 [pid 5849] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5849] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... write resumed>) = 524288 [pid 5847] <... ioctl resumed>) = 0 [pid 5069] getdents64(4, [pid 5064] unlink("./62/binderfs") = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 5064] getdents64(3, [pid 5848] munmap(0x7fdb7f81d000, 138412032 [pid 5847] close(3 [pid 5069] <... close resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5847] <... close resumed>) = 0 [pid 5069] rmdir("./61/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] close(3 [pid 5069] <... rmdir resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5064] rmdir("./62" [pid 5849] <... futex resumed>) = 0 [pid 5846] <... mount resumed>) = 0 [pid 5849] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5846] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5849] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5849] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5848] <... munmap resumed>) = 0 [pid 5847] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5846] <... openat resumed>) = 3 [pid 5064] mkdir("./63", 0777 [pid 5849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5846] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5847] <... mkdir resumed>) = 0 [pid 5846] <... chdir resumed>) = 0 [pid 5849] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5846] ioctl(4, LOOP_CLR_FD [pid 5849] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5846] <... ioctl resumed>) = 0 [pid 5849] <... mprotect resumed>) = 0 [pid 5848] <... openat resumed>) = 4 [pid 5846] close(4 [pid 5064] <... mkdir resumed>) = 0 [pid 5849] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5848] ioctl(4, LOOP_SET_FD, 3 [pid 5847] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5846] <... close resumed>) = 0 [pid 5069] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5849] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5846] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5846] <... futex resumed>) = 1 [pid 5843] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(AT_FDCWD, "./61/binderfs", [pid 5843] <... futex resumed>) = 0 [pid 5843] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] <... clone3 resumed> => {parent_tid=[5850]}, 88) = 5850 [pid 5846] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000./strace-static-x86_64: Process 5850 attached [pid 5849] rt_sigprocmask(SIG_SETMASK, [], [pid 5850] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5846] <... mknod resumed>) = 0 [pid 5850] <... rseq resumed>) = 0 [pid 5849] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5849] <... futex resumed>) = 0 [pid 5848] <... ioctl resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5850] <... set_robust_list resumed>) = 0 [pid 5849] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5846] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] unlink("./61/binderfs" [pid 5850] rt_sigprocmask(SIG_SETMASK, [], [pid 5848] close(3 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5846] <... futex resumed>) = 1 [pid 5843] <... futex resumed>) = 0 [pid 5850] memfd_create("syzkaller", 0 [pid 5848] <... close resumed>) = 0 [pid 5843] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... memfd_create resumed>) = 3 [pid 5843] <... futex resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [ 153.523765][ T5847] loop3: detected capacity change from 0 to 1024 [ 153.559010][ T5848] loop2: detected capacity change from 0 to 1024 [pid 5848] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5848] <... mkdir resumed>) = 0 [pid 5847] <... mount resumed>) = 0 [pid 5846] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5843] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... unlink resumed>) = 0 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5850] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5848] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5847] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] getdents64(3, [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] close(3 [pid 5850] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5847] <... openat resumed>) = 3 [pid 5069] close(3 [pid 5064] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./61" [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5848] <... mount resumed>) = 0 [pid 5847] <... chdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5847] ioctl(4, LOOP_CLR_FD [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5851 [pid 5069] mkdir("./62", 0777 [pid 5847] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5851 attached [pid 5848] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5847] close(4 [pid 5846] <... open resumed>) = 4 [pid 5069] <... mkdir resumed>) = 0 [pid 5851] set_robust_list(0x5555556c56a0, 24 [pid 5847] <... close resumed>) = 0 [pid 5847] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5848] <... openat resumed>) = 3 [pid 5846] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... set_robust_list resumed>) = 0 [pid 5842] <... futex resumed>) = 0 [pid 5848] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5847] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5846] <... futex resumed>) = 1 [pid 5843] <... futex resumed>) = 0 [pid 5851] chdir("./63" [pid 5848] <... chdir resumed>) = 0 [pid 5847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5846] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... chdir resumed>) = 0 [pid 5847] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5848] ioctl(4, LOOP_CLR_FD [pid 5847] <... mknod resumed>) = 0 [pid 5846] sync( [pid 5843] <... futex resumed>) = 0 [pid 5842] <... futex resumed>) = 0 [pid 5851] <... prctl resumed>) = 0 [pid 5848] <... ioctl resumed>) = 0 [pid 5847] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... openat resumed>) = 3 [pid 5848] close(4 [pid 5842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5851] setpgid(0, 0 [pid 5848] <... close resumed>) = 0 [pid 5847] <... futex resumed>) = 0 [pid 5842] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... setpgid resumed>) = 0 [pid 5848] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5842] <... futex resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5850] <... write resumed>) = 524288 [pid 5848] <... futex resumed>) = 1 [pid 5844] <... futex resumed>) = 0 [pid 5843] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5842] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5851] <... openat resumed>) = 3 [pid 5848] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5844] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] close(3 [pid 5844] <... futex resumed>) = 0 [pid 5848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5848] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5844] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... close resumed>) = 0 [pid 5848] <... mknod resumed>) = 0 [pid 5851] write(3, "1000", 4 [pid 5850] munmap(0x7fdb7f81d000, 138412032 [pid 5848] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5850] <... munmap resumed>) = 0 [pid 5850] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5850] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5852 attached [pid 5851] <... write resumed>) = 4 [pid 5848] <... futex resumed>) = 1 [pid 5847] <... open resumed>) = 4 [pid 5844] <... futex resumed>) = 0 [pid 5852] set_robust_list(0x5555556c56a0, 24 [pid 5851] close(3 [pid 5844] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5852 [pid 5848] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5851] <... close resumed>) = 0 [pid 5847] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... futex resumed>) = 0 [pid 5851] symlink("/dev/binderfs", "./binderfs" [pid 5847] <... futex resumed>) = 1 [pid 5844] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5842] <... futex resumed>) = 0 [pid 5842] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... set_robust_list resumed>) = 0 [pid 5842] <... futex resumed>) = 0 [pid 5842] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] chdir("./62" [pid 5850] <... ioctl resumed>) = 0 [pid 5850] close(3) = 0 [pid 5850] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5852] <... chdir resumed>) = 0 [pid 5850] <... mkdir resumed>) = 0 [pid 5843] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5851] <... symlink resumed>) = 0 [pid 5847] sync( [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5850] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5852] setpgid(0, 0) = 0 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5851] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... openat resumed>) = 3 [pid 5851] <... futex resumed>) = 0 [pid 5851] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5852] write(3, "1000", 4 [pid 5851] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5852] <... write resumed>) = 4 [pid 5851] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [ 153.680512][ T5850] loop1: detected capacity change from 0 to 1024 [pid 5852] close(3 [pid 5851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] <... close resumed>) = 0 [pid 5851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5848] <... open resumed>) = 4 [pid 5852] symlink("/dev/binderfs", "./binderfs" [pid 5851] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5848] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... symlink resumed>) = 0 [pid 5851] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5848] <... futex resumed>) = 1 [pid 5844] <... futex resumed>) = 0 [pid 5851] <... mprotect resumed>) = 0 [pid 5848] sync( [pid 5844] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5844] <... futex resumed>) = 0 [pid 5852] <... futex resumed>) = 0 [pid 5851] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5844] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5842] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5852] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5850] <... mount resumed>) = 0 [pid 5852] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5851] <... clone3 resumed> => {parent_tid=[5853]}, 88) = 5853 [pid 5850] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5851] rt_sigprocmask(SIG_SETMASK, [], [pid 5850] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5853 attached [pid 5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5850] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5853] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5852] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5851] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... chdir resumed>) = 0 [pid 5853] <... rseq resumed>) = 0 [pid 5852] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5851] <... futex resumed>) = 0 [pid 5850] ioctl(4, LOOP_CLR_FD [pid 5853] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5852] <... mprotect resumed>) = 0 [pid 5851] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5850] <... ioctl resumed>) = 0 [pid 5850] close(4 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5852] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5850] <... close resumed>) = 0 [pid 5853] rt_sigprocmask(SIG_SETMASK, [], [pid 5852] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5850] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5850] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5854 attached [pid 5853] memfd_create("syzkaller", 0 [pid 5850] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5853] <... memfd_create resumed>) = 3 [pid 5849] <... futex resumed>) = 0 [pid 5854] <... rseq resumed>) = 0 [pid 5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5852] <... clone3 resumed> => {parent_tid=[5854]}, 88) = 5854 [pid 5849] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5849] <... futex resumed>) = 1 [pid 5849] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] <... set_robust_list resumed>) = 0 [pid 5853] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5852] rt_sigprocmask(SIG_SETMASK, [], [pid 5850] <... futex resumed>) = 0 [pid 5844] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5854] rt_sigprocmask(SIG_SETMASK, [], [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5850] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... mknod resumed>) = 0 [pid 5854] memfd_create("syzkaller", 0 [pid 5853] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5852] <... futex resumed>) = 0 [pid 5847] <... sync resumed>) = 0 [pid 5846] <... sync resumed>) = 0 [pid 5854] <... memfd_create resumed>) = 3 [pid 5852] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5847] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5850] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... sync resumed>) = 0 [pid 5847] <... futex resumed>) = 0 [pid 5843] exit_group(0 [pid 5854] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5850] <... futex resumed>) = 1 [pid 5848] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5846] <... futex resumed>) = -1 (errno 18446744073709551414) [pid 5843] <... exit_group resumed>) = ? [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"..., 524288 [pid 5850] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5849] <... futex resumed>) = 0 [pid 5848] <... futex resumed>) = 0 [pid 5846] +++ exited with 0 +++ [pid 5843] +++ exited with 0 +++ [pid 5842] exit_group(0 [pid 5848] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5847] <... futex resumed>) = ? [pid 5844] exit_group(0 [pid 5842] <... exit_group resumed>) = ? [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5849] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... futex resumed>) = ? [pid 5847] +++ exited with 0 +++ [pid 5844] <... exit_group resumed>) = ? [pid 5842] +++ exited with 0 +++ [pid 5850] <... futex resumed>) = 0 [pid 5849] <... futex resumed>) = 1 [pid 5848] +++ exited with 0 +++ [pid 5844] +++ exited with 0 +++ [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5850] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5849] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5854] <... write resumed>) = 524288 [pid 5850] <... open resumed>) = 4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5850] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5850] <... futex resumed>) = 1 [pid 5068] <... openat resumed>) = 3 [pid 5066] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5850] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5853] <... write resumed>) = 524288 [pid 5849] <... futex resumed>) = 0 [pid 5068] newfstatat(3, "", [pid 5067] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(3, [pid 5067] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... openat resumed>) = 3 [pid 5066] <... openat resumed>) = 3 [pid 5067] newfstatat(3, "", [pid 5854] munmap(0x7fdb7f81d000, 138412032 [pid 5853] munmap(0x7fdb7f81d000, 138412032 [pid 5854] <... munmap resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] newfstatat(3, "", [pid 5853] <... munmap resumed>) = 0 [pid 5849] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5850] <... futex resumed>) = 0 [pid 5849] <... futex resumed>) = 1 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] getdents64(3, [pid 5854] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5853] <... openat resumed>) = 4 [pid 5850] sync( [pid 5849] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] umount2("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5854] <... openat resumed>) = 4 [pid 5853] ioctl(4, LOOP_SET_FD, 3 [pid 5854] ioctl(4, LOOP_SET_FD, 3 [pid 5066] umount2("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5854] <... ioctl resumed>) = 0 [pid 5853] <... ioctl resumed>) = 0 [pid 5853] close(3) = 0 [pid 5853] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5853] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5854] close(3) = 0 [pid 5849] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5854] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5854] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] <... umount2 resumed>) = 0 [pid 5067] umount2("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 153.904421][ T5853] loop0: detected capacity change from 0 to 1024 [ 153.927432][ T5854] loop5: detected capacity change from 0 to 1024 [pid 5853] <... mount resumed>) = 0 [pid 5067] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, [pid 5853] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5853] <... openat resumed>) = 3 [pid 5067] close(4 [pid 5853] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] <... close resumed>) = 0 [pid 5853] <... chdir resumed>) = 0 [pid 5067] rmdir("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5853] ioctl(4, LOOP_CLR_FD [pid 5067] <... rmdir resumed>) = 0 [pid 5853] <... ioctl resumed>) = 0 [pid 5067] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5854] <... mount resumed>) = 0 [pid 5854] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5067] newfstatat(AT_FDCWD, "./62/binderfs", [pid 5854] ioctl(4, LOOP_CLR_FD) = 0 [pid 5853] close(4 [pid 5850] <... sync resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5854] close(4) = 0 [pid 5853] <... close resumed>) = 0 [pid 5850] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] unlink("./62/binderfs" [pid 5854] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5853] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... futex resumed>) = 0 [pid 5850] <... futex resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5852] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = 0 [pid 5854] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5852] <... futex resumed>) = 0 [pid 5852] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5849] exit_group(0) = ? [pid 5854] <... mknod resumed>) = 0 [pid 5068] umount2("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5853] <... futex resumed>) = 1 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] getdents64(3, [pid 5853] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] newfstatat(AT_FDCWD, "./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] close(3 [pid 5068] umount2("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... close resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] rmdir("./62" [pid 5850] +++ exited with 0 +++ [pid 5849] +++ exited with 0 +++ [pid 5851] <... futex resumed>) = 0 [pid 5854] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... rmdir resumed>) = 0 [pid 5066] <... umount2 resumed>) = 0 [pid 5854] <... futex resumed>) = 1 [pid 5852] <... futex resumed>) = 0 [pid 5851] <... futex resumed>) = 1 [pid 5066] umount2("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5854] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5852] <... futex resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5852] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] newfstatat(AT_FDCWD, "./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5853] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5067] mkdir("./63", 0777 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5853] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5068] newfstatat(4, "", [pid 5067] <... mkdir resumed>) = 0 [pid 5065] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5853] <... mknod resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5854] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5853] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 5067] <... openat resumed>) = 3 [pid 5066] umount2("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5853] <... futex resumed>) = 1 [pid 5851] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5065] <... openat resumed>) = 3 [pid 5853] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5851] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(3, "", [pid 5853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5851] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] openat(AT_FDCWD, "./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5853] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5851] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] close(4 [pid 5067] close(3 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5066] <... openat resumed>) = 4 [pid 5065] getdents64(3, [pid 5854] <... open resumed>) = 4 [pid 5853] <... open resumed>) = 4 [pid 5068] rmdir("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] newfstatat(4, "", [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5854] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... futex resumed>) = 1 [pid 5853] <... futex resumed>) = 1 [pid 5852] <... futex resumed>) = 0 [pid 5851] <... futex resumed>) = 0 [pid 5854] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5853] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5852] <... futex resumed>) = 0 [pid 5851] <... futex resumed>) = 0 [pid 5854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5853] sync( [pid 5852] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] sync( [pid 5066] getdents64(4, ./strace-static-x86_64: Process 5855 attached [pid 5068] <... rmdir resumed>) = 0 [pid 5065] umount2("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5855] set_robust_list(0x5555556c56a0, 24 [pid 5068] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 5855 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./63/binderfs", [pid 5066] getdents64(4, [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] unlink("./63/binderfs" [pid 5855] chdir("./63" [pid 5068] <... unlink resumed>) = 0 [pid 5066] close(4 [pid 5855] <... chdir resumed>) = 0 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] getdents64(3, [pid 5066] <... close resumed>) = 0 [pid 5855] <... prctl resumed>) = 0 [pid 5066] rmdir("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5855] setpgid(0, 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5068] close(3 [pid 5066] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5855] <... setpgid resumed>) = 0 [pid 5852] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5851] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... close resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5853] <... sync resumed>) = 0 [pid 5068] rmdir("./63" [pid 5066] newfstatat(AT_FDCWD, "./62/binderfs", [pid 5855] <... openat resumed>) = 3 [pid 5854] <... sync resumed>) = 0 [pid 5853] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... rmdir resumed>) = 0 [pid 5855] write(3, "1000", 4 [pid 5854] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... futex resumed>) = 0 [pid 5851] exit_group(0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5855] <... write resumed>) = 4 [pid 5855] close(3) = 0 [pid 5855] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5068] mkdir("./64", 0777 [pid 5854] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5851] <... exit_group resumed>) = ? [pid 5068] <... mkdir resumed>) = 0 [pid 5066] unlink("./62/binderfs" [pid 5853] +++ exited with 0 +++ [pid 5065] umount2("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(AT_FDCWD, "./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5855] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5855] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5065] umount2("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5855] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5851] +++ exited with 0 +++ [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] <... unlink resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5852] exit_group(0 [pid 5068] close(3 [pid 5066] getdents64(3, [pid 5065] openat(AT_FDCWD, "./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5854] <... futex resumed>) = ? [pid 5852] <... exit_group resumed>) = ? [pid 5068] <... close resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... openat resumed>) = 4 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5851, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5854] +++ exited with 0 +++ [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5855] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5065] newfstatat(4, "", [pid 5855] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5852] +++ exited with 0 +++ [pid 5066] close(3 [pid 5064] restart_syscall(<... resuming interrupted clone ...> [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] <... close resumed>) = 0 [pid 5064] <... restart_syscall resumed>) = 0 [pid 5066] rmdir("./62" [pid 5855] <... mprotect resumed>) = 0 [pid 5855] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5856 [pid 5066] <... rmdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] mkdir("./63", 0777 [pid 5064] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5855] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] getdents64(4, [pid 5855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] getdents64(4, [pid 5855] <... clone3 resumed> => {parent_tid=[5857]}, 88) = 5857 [pid 5069] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5855] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] close(4 [pid 5855] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... openat resumed>) = 3 [pid 5065] <... close resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5857 attached ./strace-static-x86_64: Process 5856 attached [pid 5855] <... futex resumed>) = 0 [pid 5069] newfstatat(3, "", [pid 5066] <... mkdir resumed>) = 0 [pid 5857] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5856] set_robust_list(0x5555556c56a0, 24 [pid 5855] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] rmdir("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] <... rseq resumed>) = 0 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5069] getdents64(3, [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5065] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5857] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5069] umount2("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5857] <... set_robust_list resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] newfstatat(AT_FDCWD, "./62/binderfs", [pid 5857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5857] memfd_create("syzkaller", 0 [pid 5065] unlink("./62/binderfs") = 0 [pid 5857] <... memfd_create resumed>) = 3 [pid 5065] getdents64(3, [pid 5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5857] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5856] chdir("./64" [pid 5857] 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"..., 524288 [pid 5856] <... chdir resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5065] close(3 [pid 5064] <... openat resumed>) = 3 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5064] newfstatat(3, "", [pid 5856] <... prctl resumed>) = 0 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5856] setpgid(0, 0 [pid 5066] close(3 [pid 5065] <... close resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5856] <... setpgid resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] rmdir("./62" [pid 5064] getdents64(3, [pid 5856] <... openat resumed>) = 3 [pid 5065] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5858 attached [pid 5856] write(3, "1000", 4 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5069] <... umount2 resumed>) = 0 [pid 5858] set_robust_list(0x5555556c56a0, 24 [pid 5856] <... write resumed>) = 4 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5858 [pid 5064] umount2("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5858] <... set_robust_list resumed>) = 0 [pid 5856] close(3 [pid 5065] mkdir("./63", 0777 [pid 5858] chdir("./63" [pid 5856] <... close resumed>) = 0 [pid 5858] <... chdir resumed>) = 0 [pid 5856] symlink("/dev/binderfs", "./binderfs" [pid 5065] <... mkdir resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5856] <... symlink resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5856] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5856] <... futex resumed>) = 0 [pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5856] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5856] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] newfstatat(AT_FDCWD, "./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] close(3 [pid 5858] <... prctl resumed>) = 0 [pid 5856] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... close resumed>) = 0 [pid 5858] setpgid(0, 0 [pid 5856] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5069] umount2("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5856] <... mprotect resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... setpgid resumed>) = 0 [pid 5856] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] openat(AT_FDCWD, "./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5859 attached [pid 5858] <... openat resumed>) = 3 [pid 5857] <... write resumed>) = 524288 [pid 5856] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] newfstatat(4, "", [pid 5064] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5860 attached [pid 5859] set_robust_list(0x5555556c56a0, 24 [pid 5858] write(3, "1000", 4 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(4, [pid 5856] <... clone3 resumed> => {parent_tid=[5860]}, 88) = 5860 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5859 [pid 5069] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5857] munmap(0x7fdb7f81d000, 138412032 [pid 5069] close(4) = 0 [pid 5069] rmdir("./62/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5857] <... munmap resumed>) = 0 [pid 5856] rt_sigprocmask(SIG_SETMASK, [], [pid 5860] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5858] <... write resumed>) = 4 [pid 5857] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5860] <... rseq resumed>) = 0 [pid 5859] chdir("./63" [pid 5858] close(3 [pid 5857] <... openat resumed>) = 4 [pid 5856] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5860] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5859] <... chdir resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5857] ioctl(4, LOOP_SET_FD, 3 [pid 5856] <... futex resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./62/binderfs", [pid 5858] symlink("/dev/binderfs", "./binderfs" [pid 5856] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] unlink("./62/binderfs" [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5858] <... symlink resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5860] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... prctl resumed>) = 0 [pid 5069] getdents64(3, [pid 5064] umount2("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] setpgid(0, 0 [pid 5858] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5860] memfd_create("syzkaller", 0 [pid 5859] <... setpgid resumed>) = 0 [pid 5858] <... futex resumed>) = 0 [pid 5069] close(3) = 0 [pid 5064] newfstatat(AT_FDCWD, "./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5069] rmdir("./62" [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5860] <... memfd_create resumed>) = 3 [pid 5859] <... openat resumed>) = 3 [pid 5858] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5064] umount2("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5859] write(3, "1000", 4 [pid 5858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5860] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5859] <... write resumed>) = 4 [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] mkdir("./63", 0777 [pid 5859] close(3 [pid 5858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5064] openat(AT_FDCWD, "./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5859] <... close resumed>) = 0 [pid 5858] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5859] symlink("/dev/binderfs", "./binderfs" [pid 5858] <... mprotect resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5064] <... openat resumed>) = 4 [pid 5858] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5064] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] getdents64(4, [pid 5859] <... symlink resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5858] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5064] close(4 [pid 5857] <... ioctl resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5859] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] close(3) = 0 [pid 5064] rmdir("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5859] <... futex resumed>) = 0 [pid 5857] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] <... openat resumed>) = 3 [pid 5064] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5861 attached [pid 5859] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5858] <... clone3 resumed> => {parent_tid=[5861]}, 88) = 5861 [pid 5857] <... mkdir resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5064] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] close(3 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5861] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [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"..., 524288 [pid 5859] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5858] rt_sigprocmask(SIG_SETMASK, [], [pid 5857] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] <... close resumed>) = 0 [pid 5064] newfstatat(AT_FDCWD, "./63/binderfs", [pid 5861] <... rseq resumed>) = 0 [pid 5859] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 154.363841][ T5857] loop3: detected capacity change from 0 to 1024 [pid 5861] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5858] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] unlink("./63/binderfs" [pid 5861] <... set_robust_list resumed>) = 0 [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5858] <... futex resumed>) = 0 [pid 5861] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5858] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5862 [pid 5064] <... unlink resumed>) = 0 [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5862 attached [pid 5861] memfd_create("syzkaller", 0 [pid 5064] getdents64(3, [pid 5862] set_robust_list(0x5555556c56a0, 24 [pid 5861] <... memfd_create resumed>) = 3 [pid 5859] <... mprotect resumed>) = 0 [pid 5862] <... set_robust_list resumed>) = 0 [pid 5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5859] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5862] chdir("./63") = 0 [pid 5861] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5860] <... write resumed>) = 524288 [pid 5859] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5857] <... mount resumed>) = 0 [pid 5859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5861] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5860] munmap(0x7fdb7f81d000, 138412032 [pid 5857] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5863 attached [pid 5862] <... prctl resumed>) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5862] setpgid(0, 0 [pid 5857] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] close(3 [pid 5860] <... munmap resumed>) = 0 [pid 5859] <... clone3 resumed> => {parent_tid=[5863]}, 88) = 5863 [pid 5863] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... rseq resumed>) = 0 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 5862] <... setpgid resumed>) = 0 [pid 5859] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... chdir resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5860] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5859] <... futex resumed>) = 0 [pid 5857] ioctl(4, LOOP_CLR_FD [pid 5064] rmdir("./63" [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5860] <... openat resumed>) = 4 [pid 5859] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5857] <... ioctl resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5863] memfd_create("syzkaller", 0 [pid 5862] <... openat resumed>) = 3 [pid 5860] ioctl(4, LOOP_SET_FD, 3 [pid 5857] close(4 [pid 5862] write(3, "1000", 4 [pid 5857] <... close resumed>) = 0 [pid 5064] mkdir("./64", 0777 [pid 5862] <... write resumed>) = 4 [pid 5857] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... mkdir resumed>) = 0 [pid 5863] <... memfd_create resumed>) = 3 [pid 5862] close(3 [pid 5857] <... futex resumed>) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5863] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5855] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5857] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5855] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5862] <... close resumed>) = 0 [pid 5861] <... write resumed>) = 524288 [pid 5857] <... mknod resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5862] symlink("/dev/binderfs", "./binderfs" [pid 5064] <... openat resumed>) = 3 [pid 5862] <... symlink resumed>) = 0 [pid 5861] munmap(0x7fdb7f81d000, 138412032 [pid 5857] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5863] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5862] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... munmap resumed>) = 0 [pid 5857] <... futex resumed>) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5862] <... futex resumed>) = 0 [pid 5857] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5862] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5861] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5860] <... ioctl resumed>) = 0 [pid 5857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5862] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5855] <... futex resumed>) = 0 [pid 5064] close(3) = 0 [pid 5862] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [ 154.475952][ T5860] loop4: detected capacity change from 0 to 1024 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5860] close(3 [pid 5855] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5861] <... openat resumed>) = 4 [pid 5860] <... close resumed>) = 0 [pid 5862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 5862] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5864 [pid 5862] <... mprotect resumed>) = 0 [pid 5862] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} => {parent_tid=[5865]}, 88) = 5865 ./strace-static-x86_64: Process 5864 attached [pid 5862] rt_sigprocmask(SIG_SETMASK, [], [pid 5860] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5861] ioctl(4, LOOP_SET_FD, 3 [pid 5864] set_robust_list(0x5555556c56a0, 24 [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... set_robust_list resumed>) = 0 [pid 5862] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] chdir("./64" [pid 5862] <... futex resumed>) = 0 [pid 5864] <... chdir resumed>) = 0 [pid 5862] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5865 attached [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5861] <... ioctl resumed>) = 0 [pid 5857] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5865] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5864] <... prctl resumed>) = 0 [pid 5860] <... mkdir resumed>) = 0 [pid 5865] <... rseq resumed>) = 0 [pid 5864] setpgid(0, 0 [pid 5865] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5864] <... setpgid resumed>) = 0 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... openat resumed>) = 3 [pid 5863] <... write resumed>) = 524288 [pid 5860] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] memfd_create("syzkaller", 0) = 3 [pid 5865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5864] write(3, "1000", 4 [pid 5863] munmap(0x7fdb7f81d000, 138412032 [pid 5865] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5864] <... write resumed>) = 4 [pid 5863] <... munmap resumed>) = 0 [pid 5865] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5864] close(3) = 0 [pid 5864] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5861] close(3 [pid 5860] <... mount resumed>) = 0 [ 154.527784][ T5861] loop2: detected capacity change from 0 to 1024 [pid 5864] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... openat resumed>) = 4 [pid 5861] <... close resumed>) = 0 [pid 5860] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5857] <... open resumed>) = 4 [pid 5863] ioctl(4, LOOP_SET_FD, 3 [pid 5861] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5860] <... openat resumed>) = 3 [pid 5865] <... write resumed>) = 524288 [pid 5864] <... futex resumed>) = 0 [pid 5861] <... mkdir resumed>) = 0 [pid 5860] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5857] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5863] <... ioctl resumed>) = 0 [pid 5861] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5860] <... chdir resumed>) = 0 [pid 5857] <... futex resumed>) = 0 [pid 5855] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] munmap(0x7fdb7f81d000, 138412032 [pid 5864] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5860] ioctl(4, LOOP_CLR_FD [pid 5857] sync( [pid 5855] <... futex resumed>) = 0 [pid 5865] <... munmap resumed>) = 0 [pid 5864] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5863] close(3 [pid 5860] <... ioctl resumed>) = 0 [pid 5855] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... close resumed>) = 0 [pid 5861] <... mount resumed>) = 0 [pid 5860] close(4 [pid 5863] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5861] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5860] <... close resumed>) = 0 [pid 5861] <... openat resumed>) = 3 [pid 5860] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5856] <... futex resumed>) = 0 [pid 5856] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 5861] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5860] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5856] <... futex resumed>) = 0 [pid 5856] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5865] <... openat resumed>) = 4 [pid 5864] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5860] <... mknod resumed>) = 0 [pid 5860] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] ioctl(4, LOOP_SET_FD, 3 [ 154.571822][ T5863] loop1: detected capacity change from 0 to 1024 [pid 5864] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5863] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5861] <... chdir resumed>) = 0 [pid 5860] <... futex resumed>) = 1 [pid 5856] <... futex resumed>) = 0 [pid 5856] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5861] ioctl(4, LOOP_CLR_FD [pid 5856] <... futex resumed>) = 0 [pid 5856] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5861] <... ioctl resumed>) = 0 [pid 5864] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5861] close(4) = 0 [pid 5861] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5858] <... futex resumed>) = 0 [pid 5865] <... ioctl resumed>) = 0 [pid 5864] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5861] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5858] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5866 attached [pid 5865] close(3 [pid 5858] <... futex resumed>) = 0 [pid 5866] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5864] <... clone3 resumed> => {parent_tid=[5866]}, 88) = 5866 [pid 5858] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... close resumed>) = 0 [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5866] <... rseq resumed>) = 0 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... mount resumed>) = 0 [pid 5866] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5864] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5863] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5861] <... mknod resumed>) = 0 [pid 5866] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5866] memfd_create("syzkaller", 0) = 3 [pid 5864] <... futex resumed>) = 0 [pid 5860] <... open resumed>) = 4 [pid 5855] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5864] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5866] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5857] <... sync resumed>) = 0 [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"..., 524288 [pid 5863] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5861] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... mkdir resumed>) = 0 [pid 5857] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5861] <... futex resumed>) = 1 [pid 5860] <... futex resumed>) = 1 [pid 5857] <... futex resumed>) = 0 [pid 5856] <... futex resumed>) = 0 [ 154.632156][ T5865] loop5: detected capacity change from 0 to 1024 [pid 5855] exit_group(0 [pid 5863] <... chdir resumed>) = 0 [pid 5861] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5860] sync( [pid 5858] <... futex resumed>) = 0 [pid 5856] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... exit_group resumed>) = ? [pid 5863] ioctl(4, LOOP_CLR_FD [pid 5858] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] +++ exited with 0 +++ [pid 5856] <... futex resumed>) = 0 [pid 5866] <... write resumed>) = 524288 [pid 5863] <... ioctl resumed>) = 0 [pid 5861] <... futex resumed>) = 0 [pid 5858] <... futex resumed>) = 1 [pid 5856] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] +++ exited with 0 +++ [pid 5863] close(4 [pid 5861] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5858] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... close resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5863] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... mount resumed>) = 0 [pid 5863] <... futex resumed>) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5067] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5863] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... futex resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5865] <... openat resumed>) = 3 [pid 5067] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] <... openat resumed>) = 3 [pid 5865] <... chdir resumed>) = 0 [pid 5067] newfstatat(3, "", [pid 5863] <... mknod resumed>) = 0 [pid 5859] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] ioctl(4, LOOP_CLR_FD [pid 5067] getdents64(3, [pid 5865] <... ioctl resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5865] close(4 [pid 5067] umount2("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5865] <... close resumed>) = 0 [pid 5865] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5862] <... futex resumed>) = 0 [pid 5865] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... futex resumed>) = 0 [pid 5862] <... futex resumed>) = 1 [pid 5865] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5862] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... mknod resumed>) = 0 [pid 5866] munmap(0x7fdb7f81d000, 138412032 [pid 5865] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... futex resumed>) = 1 [pid 5861] <... open resumed>) = 4 [pid 5859] <... futex resumed>) = 0 [pid 5866] <... munmap resumed>) = 0 [pid 5865] <... futex resumed>) = 1 [pid 5863] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5862] <... futex resumed>) = 0 [pid 5859] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5862] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... futex resumed>) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5862] <... futex resumed>) = 0 [pid 5859] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... openat resumed>) = 4 [pid 5865] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5862] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] ioctl(4, LOOP_SET_FD, 3 [pid 5861] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... open resumed>) = 4 [pid 5861] <... futex resumed>) = 1 [pid 5860] <... sync resumed>) = 0 [pid 5858] <... futex resumed>) = 0 [pid 5856] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5860] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... futex resumed>) = 1 [pid 5861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5860] <... futex resumed>) = 0 [pid 5859] <... futex resumed>) = 0 [pid 5858] <... futex resumed>) = 0 [pid 5856] exit_group(0 [pid 5858] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] <... exit_group resumed>) = ? [pid 5861] sync( [pid 5859] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] sync( [pid 5860] +++ exited with 0 +++ [pid 5859] <... futex resumed>) = 0 [pid 5856] +++ exited with 0 +++ [pid 5067] <... umount2 resumed>) = 0 [pid 5859] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5068] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] <... open resumed>) = 4 [pid 5068] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5865] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 3 [pid 5865] <... futex resumed>) = 1 [pid 5862] <... futex resumed>) = 0 [pid 5068] newfstatat(3, "", [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] <... sync resumed>) = 0 [pid 5862] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... sync resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] newfstatat(AT_FDCWD, "./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5866] <... ioctl resumed>) = 0 [pid 5865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5862] <... futex resumed>) = 0 [pid 5866] close(3 [pid 5865] sync( [pid 5862] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... close resumed>) = 0 [pid 5863] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5858] <... futex resumed>) = 0 [pid 5863] <... futex resumed>) = 1 [pid 5861] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] <... futex resumed>) = 0 [pid 5863] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] exit_group(0 [pid 5859] exit_group(0 [pid 5858] <... exit_group resumed>) = ? [pid 5861] <... futex resumed>) = ? [pid 5863] <... futex resumed>) = ? [pid 5859] <... exit_group resumed>) = ? [pid 5866] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5863] +++ exited with 0 +++ [pid 5859] +++ exited with 0 +++ [pid 5068] getdents64(3, [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5861] +++ exited with 0 +++ [pid 5858] +++ exited with 0 +++ [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5866] <... mkdir resumed>) = 0 [pid 5068] umount2("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5858, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... restart_syscall resumed>) = 0 [pid 5065] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5866] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] openat(AT_FDCWD, "./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 4 [ 154.755350][ T5866] loop0: detected capacity change from 0 to 1024 [pid 5065] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] newfstatat(4, "", [pid 5066] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... openat resumed>) = 3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(3, "", [pid 5067] getdents64(4, [pid 5066] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] <... openat resumed>) = 3 [pid 5065] getdents64(3, [pid 5067] getdents64(4, [pid 5066] newfstatat(3, "", [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(3, [pid 5065] umount2("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] close(4 [pid 5066] umount2("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... close resumed>) = 0 [pid 5067] rmdir("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5067] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./63/binderfs" [pid 5862] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... mount resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5866] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5866] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5865] <... sync resumed>) = 0 [pid 5067] getdents64(3, [pid 5865] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5865] <... futex resumed>) = 0 [pid 5067] close(3 [pid 5866] <... chdir resumed>) = 0 [pid 5865] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5866] ioctl(4, LOOP_CLR_FD [pid 5066] <... umount2 resumed>) = 0 [pid 5866] <... ioctl resumed>) = 0 [pid 5862] exit_group(0 [pid 5066] umount2("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5866] close(4) = 0 [pid 5862] <... exit_group resumed>) = ? [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... futex resumed>) = ? [pid 5067] rmdir("./63" [pid 5865] +++ exited with 0 +++ [pid 5067] <... rmdir resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5866] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] mkdir("./64", 0777) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5864] <... futex resumed>) = 0 [pid 5864] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... futex resumed>) = 0 [pid 5864] <... futex resumed>) = 1 [pid 5866] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 5862] +++ exited with 0 +++ [pid 5864] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5068] umount2("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] umount2("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5866] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 3 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] openat(AT_FDCWD, "./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] newfstatat(AT_FDCWD, "./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5866] <... futex resumed>) = 1 [pid 5864] <... futex resumed>) = 0 [pid 5864] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5864] <... futex resumed>) = 0 [pid 5068] umount2("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... openat resumed>) = 4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] openat(AT_FDCWD, "./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] newfstatat(4, "", [pid 5065] umount2("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5068] newfstatat(4, "", [pid 5067] close(3 [pid 5065] newfstatat(AT_FDCWD, "./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5069] newfstatat(3, "", [pid 5066] getdents64(4, [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, [pid 5067] <... close resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] getdents64(3, [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] getdents64(4, [pid 5065] umount2("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] getdents64(4, [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] close(4 [pid 5065] openat(AT_FDCWD, "./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5867 attached [pid 5068] close(4 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 5867 [pid 5066] <... close resumed>) = 0 [pid 5867] set_robust_list(0x5555556c56a0, 24 [pid 5065] <... openat resumed>) = 4 [pid 5068] <... close resumed>) = 0 [pid 5066] rmdir("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] newfstatat(4, "", [pid 5068] rmdir("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5867] <... set_robust_list resumed>) = 0 [pid 5866] <... open resumed>) = 4 [pid 5066] <... rmdir resumed>) = 0 [pid 5867] chdir("./64" [pid 5866] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5864] <... futex resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5864] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] getdents64(4, [pid 5864] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] newfstatat(AT_FDCWD, "./63/binderfs", [pid 5068] newfstatat(AT_FDCWD, "./64/binderfs", [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5867] <... chdir resumed>) = 0 [pid 5866] sync( [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] getdents64(4, [pid 5068] unlink("./64/binderfs" [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5867] setpgid(0, 0) = 0 [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5867] <... openat resumed>) = 3 [pid 5068] <... unlink resumed>) = 0 [pid 5066] unlink("./63/binderfs" [pid 5867] write(3, "1000", 4) = 4 [pid 5867] close(3) = 0 [pid 5068] getdents64(3, [pid 5065] close(4 [pid 5867] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5065] <... close resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5867] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] close(3 [pid 5066] <... unlink resumed>) = 0 [pid 5065] rmdir("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] <... close resumed>) = 0 [pid 5066] getdents64(3, [pid 5867] <... futex resumed>) = 0 [pid 5867] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5068] rmdir("./64" [pid 5065] <... rmdir resumed>) = 0 [pid 5867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] close(3 [pid 5867] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5867] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5867] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5066] rmdir("./63" [pid 5065] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} => {parent_tid=[5868]}, 88) = 5868 ./strace-static-x86_64: Process 5868 attached [pid 5066] <... rmdir resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5868] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5867] rt_sigprocmask(SIG_SETMASK, [], [pid 5868] <... rseq resumed>) = 0 [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] mkdir("./65", 0777 [pid 5065] newfstatat(AT_FDCWD, "./63/binderfs", [pid 5868] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5867] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5867] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5868] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5068] <... mkdir resumed>) = 0 [pid 5065] unlink("./63/binderfs" [pid 5868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5868] memfd_create("syzkaller", 0) = 3 [pid 5066] mkdir("./64", 0777 [pid 5065] <... unlink resumed>) = 0 [pid 5868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5066] <... mkdir resumed>) = 0 [pid 5065] getdents64(3, [pid 5069] umount2("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5866] <... sync resumed>) = 0 [pid 5864] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] newfstatat(AT_FDCWD, "./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] <... openat resumed>) = 3 [pid 5065] close(3 [pid 5866] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] close(3 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5065] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5065] rmdir("./63" [pid 5866] <... futex resumed>) = 0 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5866] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] <... rmdir resumed>) = 0 [pid 5066] close(3 [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"..., 524288 [pid 5864] exit_group(0 [pid 5069] umount2("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... close resumed>) = 0 [pid 5065] mkdir("./64", 0777./strace-static-x86_64: Process 5869 attached [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5869 [pid 5864] <... exit_group resumed>) = ? [pid 5866] <... futex resumed>) = ? ./strace-static-x86_64: Process 5870 attached [pid 5869] set_robust_list(0x5555556c56a0, 24 [pid 5069] <... openat resumed>) = 4 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5069] newfstatat(4, "", [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5870 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5869] <... set_robust_list resumed>) = 0 [pid 5869] chdir("./65" [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5870] set_robust_list(0x5555556c56a0, 24) = 0 [pid 5869] <... chdir resumed>) = 0 [pid 5069] getdents64(4, [pid 5065] close(3 [pid 5870] chdir("./64" [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] <... close resumed>) = 0 [pid 5869] <... prctl resumed>) = 0 [pid 5069] getdents64(4, [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] +++ exited with 0 +++ [pid 5864] +++ exited with 0 +++ [pid 5869] setpgid(0, 0./strace-static-x86_64: Process 5871 attached [pid 5870] <... chdir resumed>) = 0 [pid 5868] <... write resumed>) = 524288 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5871 [pid 5064] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5871] set_robust_list(0x5555556c56a0, 24 [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5869] <... setpgid resumed>) = 0 [pid 5069] close(4 [pid 5064] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5870] <... prctl resumed>) = 0 [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... close resumed>) = 0 [pid 5870] setpgid(0, 0 [pid 5868] munmap(0x7fdb7f81d000, 138412032 [pid 5069] rmdir("./63/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... openat resumed>) = 3 [pid 5871] <... set_robust_list resumed>) = 0 [pid 5870] <... setpgid resumed>) = 0 [pid 5869] <... openat resumed>) = 3 [pid 5868] <... munmap resumed>) = 0 [pid 5871] chdir("./64" [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5869] write(3, "1000", 4 [pid 5069] <... rmdir resumed>) = 0 [pid 5064] newfstatat(3, "", [pid 5869] <... write resumed>) = 4 [pid 5871] <... chdir resumed>) = 0 [pid 5869] close(3 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5870] <... openat resumed>) = 3 [pid 5871] <... prctl resumed>) = 0 [pid 5869] <... close resumed>) = 0 [pid 5064] getdents64(3, [pid 5871] setpgid(0, 0 [pid 5869] symlink("/dev/binderfs", "./binderfs" [pid 5868] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5871] <... setpgid resumed>) = 0 [pid 5870] write(3, "1000", 4 [pid 5869] <... symlink resumed>) = 0 [pid 5868] <... openat resumed>) = 4 [pid 5069] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5868] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5871] <... openat resumed>) = 3 [pid 5870] <... write resumed>) = 4 [pid 5869] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(AT_FDCWD, "./63/binderfs", [pid 5064] umount2("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5871] write(3, "1000", 4 [pid 5870] close(3 [pid 5869] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5871] <... write resumed>) = 4 [pid 5870] <... close resumed>) = 0 [pid 5869] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5069] unlink("./63/binderfs" [pid 5871] close(3 [pid 5870] symlink("/dev/binderfs", "./binderfs" [pid 5869] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5871] <... close resumed>) = 0 [pid 5870] <... symlink resumed>) = 0 [pid 5869] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] <... unlink resumed>) = 0 [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5871] symlink("/dev/binderfs", "./binderfs" [pid 5870] <... futex resumed>) = 0 [pid 5869] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5069] getdents64(3, [pid 5870] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5869] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5069] close(3 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5869] <... mprotect resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./63" [pid 5870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5871] <... symlink resumed>) = 0 [pid 5870] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5869] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5868] <... ioctl resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5870] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5869] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5869] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5868] close(3 [pid 5871] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... mprotect resumed>) = 0 [pid 5868] <... close resumed>) = 0 ./strace-static-x86_64: Process 5872 attached [pid 5868] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5872] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5870] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5868] <... mkdir resumed>) = 0 [pid 5871] <... futex resumed>) = 0 [pid 5872] <... rseq resumed>) = 0 [pid 5871] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5872] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5871] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5870] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5869] <... clone3 resumed> => {parent_tid=[5872]}, 88) = 5872 [pid 5069] mkdir("./64", 0777 [pid 5872] <... set_robust_list resumed>) = 0 [pid 5871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 5873 attached [pid 5872] rt_sigprocmask(SIG_SETMASK, [], [pid 5869] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... mkdir resumed>) = 0 [pid 5868] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5064] <... umount2 resumed>) = 0 [ 155.066883][ T5868] loop3: detected capacity change from 0 to 1024 [pid 5873] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5873] <... rseq resumed>) = 0 [pid 5872] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5870] <... clone3 resumed> => {parent_tid=[5873]}, 88) = 5873 [pid 5869] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5064] umount2("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5871] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5869] <... futex resumed>) = 0 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5873] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5872] memfd_create("syzkaller", 0 [pid 5871] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5870] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5870] <... futex resumed>) = 0 [pid 5870] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] newfstatat(AT_FDCWD, "./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5871] <... mprotect resumed>) = 0 [pid 5873] <... set_robust_list resumed>) = 0 [pid 5871] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] close(3 [pid 5872] <... memfd_create resumed>) = 3 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5871] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... close resumed>) = 0 [pid 5872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5064] umount2("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5872] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5873] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5873] memfd_create("syzkaller", 0 [pid 5064] openat(AT_FDCWD, "./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5874 attached [pid 5871] <... clone3 resumed> => {parent_tid=[5874]}, 88) = 5874 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5874] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5873] <... memfd_create resumed>) = 3 [pid 5868] <... mount resumed>) = 0 [pid 5064] <... openat resumed>) = 4 [pid 5874] <... rseq resumed>) = 0 [pid 5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5871] rt_sigprocmask(SIG_SETMASK, [], [pid 5868] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5874] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5873] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5868] <... openat resumed>) = 3 [pid 5064] newfstatat(4, "", [pid 5874] <... set_robust_list resumed>) = 0 [pid 5872] 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"..., 524288 [pid 5868] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 5875 attached [pid 5874] rt_sigprocmask(SIG_SETMASK, [], [pid 5871] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... chdir resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5875] set_robust_list(0x5555556c56a0, 24 [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [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"..., 524288 [pid 5872] <... write resumed>) = 524288 [pid 5871] <... futex resumed>) = 0 [pid 5868] ioctl(4, LOOP_CLR_FD [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5875 [pid 5064] getdents64(4, [pid 5875] <... set_robust_list resumed>) = 0 [pid 5874] memfd_create("syzkaller", 0 [pid 5871] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5868] <... ioctl resumed>) = 0 [pid 5868] close(4 [pid 5874] <... memfd_create resumed>) = 3 [pid 5875] chdir("./64" [pid 5874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5872] munmap(0x7fdb7f81d000, 138412032 [pid 5868] <... close resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5875] <... chdir resumed>) = 0 [pid 5874] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5064] getdents64(4, [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5868] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5868] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... futex resumed>) = 0 [pid 5867] <... futex resumed>) = 1 [pid 5868] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5867] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [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"..., 524288 [pid 5868] <... mknod resumed>) = 0 [pid 5064] close(4 [pid 5875] <... prctl resumed>) = 0 [pid 5872] <... munmap resumed>) = 0 [pid 5875] setpgid(0, 0 [pid 5872] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5064] <... close resumed>) = 0 [pid 5875] <... setpgid resumed>) = 0 [pid 5872] <... openat resumed>) = 4 [pid 5064] rmdir("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] ioctl(4, LOOP_SET_FD, 3 [pid 5868] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5868] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... futex resumed>) = 0 [pid 5873] <... write resumed>) = 524288 [pid 5868] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5867] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5875] <... openat resumed>) = 3 [pid 5875] write(3, "1000", 4 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5875] <... write resumed>) = 4 [pid 5873] munmap(0x7fdb7f81d000, 138412032 [pid 5064] newfstatat(AT_FDCWD, "./64/binderfs", [pid 5875] close(3) = 0 [pid 5875] symlink("/dev/binderfs", "./binderfs" [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5875] <... symlink resumed>) = 0 [pid 5064] unlink("./64/binderfs" [pid 5875] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... munmap resumed>) = 0 [pid 5064] <... unlink resumed>) = 0 [pid 5875] <... futex resumed>) = 0 [pid 5874] <... write resumed>) = 524288 [pid 5873] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5872] <... ioctl resumed>) = 0 [pid 5064] getdents64(3, [pid 5875] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5874] munmap(0x7fdb7f81d000, 138412032 [pid 5873] <... openat resumed>) = 4 [pid 5872] close(3 [pid 5868] <... open resumed>) = 4 [ 155.209847][ T5872] loop4: detected capacity change from 0 to 1024 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5875] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5873] ioctl(4, LOOP_SET_FD, 3 [pid 5868] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5874] <... munmap resumed>) = 0 [pid 5872] <... close resumed>) = 0 [pid 5868] <... futex resumed>) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5064] close(3 [pid 5875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5872] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5064] <... close resumed>) = 0 [pid 5868] sync( [pid 5867] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... mkdir resumed>) = 0 [pid 5867] <... futex resumed>) = 0 [pid 5867] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5875] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5064] rmdir("./64" [pid 5874] <... openat resumed>) = 4 [pid 5872] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5874] ioctl(4, LOOP_SET_FD, 3 [pid 5064] <... rmdir resumed>) = 0 [pid 5873] <... ioctl resumed>) = 0 [pid 5873] close(3) = 0 [pid 5873] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5064] mkdir("./65", 0777 [pid 5873] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5875] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5872] <... mount resumed>) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 5875] <... mprotect resumed>) = 0 [pid 5874] <... ioctl resumed>) = 0 [pid 5872] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5868] <... sync resumed>) = 0 [pid 5875] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5874] close(3 [pid 5872] <... openat resumed>) = 3 [pid 5868] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [ 155.254183][ T5873] loop2: detected capacity change from 0 to 1024 [ 155.272545][ T5874] loop1: detected capacity change from 0 to 1024 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5875] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5874] <... close resumed>) = 0 [pid 5868] <... futex resumed>) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5873] <... mount resumed>) = 0 [pid 5872] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... openat resumed>) = 3 [pid 5875] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5874] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5873] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5872] <... chdir resumed>) = 0 [pid 5867] exit_group(0 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5873] <... openat resumed>) = 3 [pid 5867] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5876 attached [pid 5875] <... clone3 resumed> => {parent_tid=[5876]}, 88) = 5876 [pid 5874] <... mkdir resumed>) = 0 [pid 5873] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5872] ioctl(4, LOOP_CLR_FD [pid 5868] +++ exited with 0 +++ [pid 5867] +++ exited with 0 +++ [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5876] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5875] rt_sigprocmask(SIG_SETMASK, [], [pid 5874] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5873] <... chdir resumed>) = 0 [pid 5872] <... ioctl resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5867, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5064] close(3 [pid 5876] <... rseq resumed>) = 0 [pid 5875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5873] ioctl(4, LOOP_CLR_FD [pid 5872] close(4 [pid 5064] <... close resumed>) = 0 [pid 5876] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5875] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... mount resumed>) = 0 [pid 5873] <... ioctl resumed>) = 0 [pid 5872] <... close resumed>) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5876] <... set_robust_list resumed>) = 0 [pid 5875] <... futex resumed>) = 0 [pid 5874] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5873] close(4 [pid 5872] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5873] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5877 attached [pid 5875] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5873] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... futex resumed>) = 1 [pid 5869] <... futex resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5876] rt_sigprocmask(SIG_SETMASK, [], [pid 5874] <... openat resumed>) = 3 [pid 5877] set_robust_list(0x5555556c56a0, 24 [pid 5876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5872] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5869] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5877 [pid 5873] <... futex resumed>) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5876] memfd_create("syzkaller", 0 [pid 5870] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = 0 [pid 5870] <... futex resumed>) = 0 [pid 5869] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... memfd_create resumed>) = 3 [pid 5870] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5874] <... chdir resumed>) = 0 [pid 5872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5877] <... set_robust_list resumed>) = 0 [pid 5876] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5874] ioctl(4, LOOP_CLR_FD [pid 5873] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5872] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5067] <... openat resumed>) = 3 [pid 5877] chdir("./65" [pid 5874] <... ioctl resumed>) = 0 [pid 5873] <... mknod resumed>) = 0 [pid 5872] <... mknod resumed>) = 0 [pid 5067] newfstatat(3, "", [pid 5877] <... chdir resumed>) = 0 [pid 5874] close(4 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5874] <... close resumed>) = 0 [pid 5873] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... prctl resumed>) = 0 [pid 5873] <... futex resumed>) = 1 [pid 5872] <... futex resumed>) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5869] <... futex resumed>) = 0 [pid 5067] getdents64(3, [pid 5874] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] setpgid(0, 0 [pid 5874] <... futex resumed>) = 1 [pid 5873] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] <... futex resumed>) = 0 [pid 5870] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5877] <... setpgid resumed>) = 0 [pid 5873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5871] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... futex resumed>) = 0 [pid 5869] <... futex resumed>) = 0 [pid 5874] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5067] umount2("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [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"..., 524288 [pid 5873] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5872] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5871] <... futex resumed>) = 0 [pid 5870] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5869] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] <... openat resumed>) = 3 [pid 5874] <... mknod resumed>) = 0 [pid 5871] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] write(3, "1000", 4) = 4 [pid 5874] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... open resumed>) = 4 [pid 5877] close(3 [pid 5874] <... futex resumed>) = 1 [pid 5872] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... futex resumed>) = 0 [pid 5877] <... close resumed>) = 0 [pid 5874] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] <... futex resumed>) = 1 [pid 5871] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = 0 [pid 5877] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5876] <... write resumed>) = 524288 [pid 5874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5873] <... open resumed>) = 4 [pid 5872] sync( [pid 5871] <... futex resumed>) = 0 [pid 5869] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5873] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... futex resumed>) = 0 [pid 5877] <... futex resumed>) = 0 [pid 5870] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = 0 [pid 5874] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5877] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5873] <... futex resumed>) = 0 [pid 5871] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] <... futex resumed>) = 1 [pid 5877] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5873] sync( [pid 5870] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 5877] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5877] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5869] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5877] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5876] munmap(0x7fdb7f81d000, 138412032 [pid 5067] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5878 attached [pid 5878] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5877] <... clone3 resumed> => {parent_tid=[5878]}, 88) = 5878 [pid 5878] <... rseq resumed>) = 0 [pid 5876] <... munmap resumed>) = 0 [pid 5874] <... open resumed>) = 4 [pid 5067] umount2("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5877] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5878] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5878] <... set_robust_list resumed>) = 0 [pid 5877] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5878] rt_sigprocmask(SIG_SETMASK, [], [pid 5877] <... futex resumed>) = 0 [pid 5876] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5874] <... futex resumed>) = 1 [pid 5871] <... futex resumed>) = 0 [pid 5067] umount2("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5876] <... openat resumed>) = 4 [pid 5874] sync( [pid 5871] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5878] memfd_create("syzkaller", 0 [pid 5871] <... futex resumed>) = 0 [pid 5878] <... memfd_create resumed>) = 3 [pid 5876] ioctl(4, LOOP_SET_FD, 3 [pid 5871] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] openat(AT_FDCWD, "./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 5067] <... openat resumed>) = 4 [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, [pid 5872] <... sync resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5873] <... sync resumed>) = 0 [pid 5872] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... futex resumed>) = 1 [pid 5869] <... futex resumed>) = 0 [pid 5067] getdents64(4, [pid 5878] 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"..., 524288 [pid 5873] <... futex resumed>) = 1 [pid 5872] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] <... futex resumed>) = 0 [pid 5869] exit_group(0 [pid 5873] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] <... futex resumed>) = ? [pid 5870] exit_group(0 [pid 5869] <... exit_group resumed>) = ? [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5874] <... sync resumed>) = 0 [pid 5874] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... exit_group resumed>) = ? [pid 5874] <... futex resumed>) = 1 [pid 5871] <... futex resumed>) = 0 [pid 5873] <... futex resumed>) = ? [pid 5874] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] exit_group(0 [pid 5067] close(4 [pid 5876] <... ioctl resumed>) = 0 [pid 5874] <... futex resumed>) = ? [pid 5873] +++ exited with 0 +++ [pid 5871] <... exit_group resumed>) = ? [pid 5870] +++ exited with 0 +++ [pid 5067] <... close resumed>) = 0 [pid 5874] +++ exited with 0 +++ [pid 5067] rmdir("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5066] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5067] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5872] +++ exited with 0 +++ [pid 5869] +++ exited with 0 +++ [pid 5066] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5878] <... write resumed>) = 524288 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5876] close(3 [pid 5067] newfstatat(AT_FDCWD, "./64/binderfs", [pid 5876] <... close resumed>) = 0 [pid 5878] munmap(0x7fdb7f81d000, 138412032 [pid 5876] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5871] +++ exited with 0 +++ [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5878] <... munmap resumed>) = 0 [pid 5876] <... mkdir resumed>) = 0 [pid 5068] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] unlink("./64/binderfs" [pid 5066] <... openat resumed>) = 3 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5871, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(3, "", [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5068] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... unlink resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5878] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5876] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5068] <... openat resumed>) = 3 [pid 5067] getdents64(3, [pid 5066] getdents64(3, [pid 5878] <... openat resumed>) = 4 [pid 5068] newfstatat(3, "", [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5878] ioctl(4, LOOP_SET_FD, 3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 155.454695][ T5876] loop5: detected capacity change from 0 to 1024 [pid 5067] close(3 [pid 5065] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(3, [pid 5067] <... close resumed>) = 0 [pid 5066] umount2("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] rmdir("./64" [pid 5068] umount2("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5065] newfstatat(3, "", [pid 5067] <... rmdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(3, [pid 5067] mkdir("./65", 0777 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] umount2("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... mkdir resumed>) = 0 [pid 5878] <... ioctl resumed>) = 0 [pid 5878] close(3) = 0 [pid 5878] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5876] <... mount resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5065] <... umount2 resumed>) = 0 [pid 5876] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5878] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5876] <... openat resumed>) = 3 [pid 5068] umount2("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 3 [pid 5876] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5876] <... chdir resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5876] ioctl(4, LOOP_CLR_FD [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] umount2("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] close(3 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... close resumed>) = 0 [pid 5068] umount2("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] newfstatat(AT_FDCWD, "./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5878] <... mount resumed>) = 0 [pid 5066] <... umount2 resumed>) = 0 [pid 5065] umount2("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5878] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5876] <... ioctl resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5878] <... openat resumed>) = 3 [pid 5068] openat(AT_FDCWD, "./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] openat(AT_FDCWD, "./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5879 attached [pid 5878] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5876] close(4 [pid 5068] <... openat resumed>) = 4 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 5879 [pid 5066] umount2("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... openat resumed>) = 4 [pid 5879] set_robust_list(0x5555556c56a0, 24 [pid 5878] <... chdir resumed>) = 0 [ 155.512647][ T5878] loop0: detected capacity change from 0 to 1024 [pid 5065] newfstatat(4, "", [pid 5879] <... set_robust_list resumed>) = 0 [pid 5878] ioctl(4, LOOP_CLR_FD [pid 5876] <... close resumed>) = 0 [pid 5068] newfstatat(4, "", [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5878] <... ioctl resumed>) = 0 [pid 5065] getdents64(4, [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5879] chdir("./65" [pid 5878] close(4 [pid 5876] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] newfstatat(AT_FDCWD, "./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5879] <... chdir resumed>) = 0 [pid 5878] <... close resumed>) = 0 [pid 5876] <... futex resumed>) = 1 [pid 5875] <... futex resumed>) = 0 [pid 5068] getdents64(4, [pid 5065] getdents64(4, [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5878] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5875] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5879] <... prctl resumed>) = 0 [pid 5878] <... futex resumed>) = 1 [pid 5877] <... futex resumed>) = 0 [pid 5875] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] close(4 [pid 5879] setpgid(0, 0 [pid 5878] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... close resumed>) = 0 [pid 5879] <... setpgid resumed>) = 0 [pid 5878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5877] <... futex resumed>) = 0 [pid 5875] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] rmdir("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5878] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5877] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... mknod resumed>) = 0 [pid 5068] getdents64(4, [pid 5065] <... rmdir resumed>) = 0 [pid 5879] <... openat resumed>) = 3 [pid 5066] umount2("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5878] <... mknod resumed>) = 0 [pid 5878] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5878] <... futex resumed>) = 1 [pid 5877] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5879] write(3, "1000", 4 [pid 5068] close(4 [pid 5879] <... write resumed>) = 4 [pid 5879] close(3 [pid 5068] <... close resumed>) = 0 [pid 5879] <... close resumed>) = 0 [pid 5876] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5879] symlink("/dev/binderfs", "./binderfs" [pid 5875] <... futex resumed>) = 0 [pid 5875] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] <... symlink resumed>) = 0 [pid 5878] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5877] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] <... futex resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] newfstatat(AT_FDCWD, "./64/binderfs", [pid 5879] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... futex resumed>) = 0 [pid 5876] <... futex resumed>) = 1 [pid 5875] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... rmdir resumed>) = 0 [pid 5066] <... openat resumed>) = 4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5879] <... futex resumed>) = 0 [pid 5877] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5068] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] newfstatat(4, "", [pid 5879] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] unlink("./64/binderfs" [pid 5879] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] newfstatat(AT_FDCWD, "./65/binderfs", [pid 5066] getdents64(4, [pid 5065] <... unlink resumed>) = 0 [pid 5879] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5878] <... open resumed>) = 4 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] getdents64(3, [pid 5879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5878] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] unlink("./65/binderfs" [pid 5066] getdents64(4, [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5878] <... futex resumed>) = 1 [pid 5877] <... futex resumed>) = 0 [pid 5876] <... open resumed>) = 4 [pid 5068] <... unlink resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] close(3 [pid 5879] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5878] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(3, [pid 5066] close(4 [pid 5065] <... close resumed>) = 0 [pid 5879] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5877] <... futex resumed>) = 0 [pid 5876] <... futex resumed>) = 1 [pid 5875] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] <... close resumed>) = 0 [pid 5065] rmdir("./64" [pid 5879] <... mprotect resumed>) = 0 [pid 5878] sync( [pid 5877] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5875] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] close(3 [pid 5066] rmdir("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] <... rmdir resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5875] <... futex resumed>) = 0 [pid 5068] rmdir("./65" [pid 5876] sync( [pid 5875] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] mkdir("./65", 0777 [pid 5068] <... rmdir resumed>) = 0 [pid 5879] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... mkdir resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5879] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] mkdir("./66", 0777 [pid 5066] unlink("./64/binderfs" [pid 5879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5066] <... unlink resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5880 attached [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5066] getdents64(3, [pid 5065] <... openat resumed>) = 3 [pid 5880] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5879] <... clone3 resumed> => {parent_tid=[5880]}, 88) = 5880 [pid 5880] <... rseq resumed>) = 0 [pid 5879] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... openat resumed>) = 3 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5880] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5066] close(3 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5880] <... set_robust_list resumed>) = 0 [pid 5879] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] <... close resumed>) = 0 [pid 5880] rt_sigprocmask(SIG_SETMASK, [], [pid 5879] <... futex resumed>) = 0 [pid 5068] close(3 [pid 5066] rmdir("./64" [pid 5065] close(3 [pid 5880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5879] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5068] <... close resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5880] memfd_create("syzkaller", 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5880] <... memfd_create resumed>) = 3 [pid 5066] <... rmdir resumed>) = 0 [pid 5880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5882 attached [pid 5878] <... sync resumed>) = 0 [pid 5876] <... sync resumed>) = 0 [pid 5066] mkdir("./65", 0777 [pid 5882] set_robust_list(0x5555556c56a0, 24 [pid 5880] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5876] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5882 [pid 5066] <... mkdir resumed>) = 0 [pid 5882] <... set_robust_list resumed>) = 0 [pid 5875] <... futex resumed>) = 0 [pid 5876] <... futex resumed>) = 1 [pid 5875] exit_group(0 [pid 5876] ???() = ? [pid 5875] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5881 attached [pid 5882] chdir("./66" [pid 5878] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] +++ exited with 0 +++ [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5881] set_robust_list(0x5555556c56a0, 24 [pid 5878] <... futex resumed>) = 1 [pid 5877] <... futex resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5881 [pid 5881] <... set_robust_list resumed>) = 0 [pid 5878] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5877] exit_group(0 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5881] chdir("./65" [pid 5882] <... chdir resumed>) = 0 [pid 5878] <... futex resumed>) = ? [pid 5877] <... exit_group resumed>) = ? [pid 5881] <... chdir resumed>) = 0 [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5878] +++ exited with 0 +++ [pid 5877] +++ exited with 0 +++ [pid 5875] +++ exited with 0 +++ [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5882] <... prctl resumed>) = 0 [pid 5066] close(3 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5880] 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"..., 524288 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5064] restart_syscall(<... resuming interrupted clone ...> [pid 5882] setpgid(0, 0) = 0 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5064] <... restart_syscall resumed>) = 0 [pid 5881] <... prctl resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5881] setpgid(0, 0 [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... restart_syscall resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5881] <... setpgid resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5882] <... openat resumed>) = 3 [pid 5064] <... openat resumed>) = 3 [pid 5881] <... openat resumed>) = 3 [pid 5069] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] newfstatat(3, "", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5883 attached [pid 5881] write(3, "1000", 4 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5883] set_robust_list(0x5555556c56a0, 24 [pid 5881] <... write resumed>) = 4 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5883 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5881] close(3 [pid 5882] write(3, "1000", 4 [pid 5069] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5883] chdir("./65" [pid 5881] <... close resumed>) = 0 [pid 5882] <... write resumed>) = 4 [pid 5069] <... openat resumed>) = 3 [pid 5064] getdents64(3, [pid 5883] <... chdir resumed>) = 0 [pid 5881] symlink("/dev/binderfs", "./binderfs" [pid 5069] newfstatat(3, "", [pid 5882] close(3 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5882] <... close resumed>) = 0 [pid 5064] umount2("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5881] <... symlink resumed>) = 0 [pid 5880] <... write resumed>) = 524288 [pid 5069] getdents64(3, [pid 5883] <... prctl resumed>) = 0 [pid 5881] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] symlink("/dev/binderfs", "./binderfs" [pid 5880] munmap(0x7fdb7f81d000, 138412032 [pid 5064] <... umount2 resumed>) = 0 [pid 5883] setpgid(0, 0 [pid 5881] <... futex resumed>) = 0 [pid 5882] <... symlink resumed>) = 0 [pid 5880] <... munmap resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5883] <... setpgid resumed>) = 0 [pid 5881] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5069] umount2("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5881] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5882] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5881] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5882] <... futex resumed>) = 0 [pid 5881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5882] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5880] <... openat resumed>) = 4 [pid 5883] <... openat resumed>) = 3 [pid 5881] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5882] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5880] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... umount2 resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5069] umount2("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5883] write(3, "1000", 4 [pid 5881] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] newfstatat(AT_FDCWD, "./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] umount2("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] openat(AT_FDCWD, "./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] umount2("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5883] <... write resumed>) = 4 [pid 5881] <... mprotect resumed>) = 0 [pid 5882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... openat resumed>) = 4 [pid 5881] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5882] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5069] openat(AT_FDCWD, "./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] newfstatat(4, "", [pid 5882] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5883] close(3 [pid 5881] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5882] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] newfstatat(4, "", [pid 5883] <... close resumed>) = 0 [pid 5881] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5882] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5884 attached [pid 5883] symlink("/dev/binderfs", "./binderfs" [pid 5882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] getdents64(4, ./strace-static-x86_64: Process 5885 attached [pid 5884] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5883] <... symlink resumed>) = 0 [pid 5881] <... clone3 resumed> => {parent_tid=[5884]}, 88) = 5884 [pid 5880] <... ioctl resumed>) = 0 [pid 5069] getdents64(4, [pid 5885] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5884] <... rseq resumed>) = 0 [pid 5883] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5881] rt_sigprocmask(SIG_SETMASK, [], [pid 5882] <... clone3 resumed> => {parent_tid=[5885]}, 88) = 5885 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5885] <... rseq resumed>) = 0 [pid 5884] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5883] <... futex resumed>) = 0 [pid 5881] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5882] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] getdents64(4, [pid 5885] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5884] <... set_robust_list resumed>) = 0 [pid 5883] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5881] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5880] close(3 [pid 5069] getdents64(4, [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5885] <... set_robust_list resumed>) = 0 [pid 5884] rt_sigprocmask(SIG_SETMASK, [], [pid 5883] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5881] <... futex resumed>) = 0 [pid 5882] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] close(4 [pid 5885] rt_sigprocmask(SIG_SETMASK, [], [pid 5884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5881] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5882] <... futex resumed>) = 0 [pid 5880] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] close(4 [pid 5064] <... close resumed>) = 0 [pid 5885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5884] memfd_create("syzkaller", 0 [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5882] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5880] <... mkdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5885] memfd_create("syzkaller", 0 [pid 5884] <... memfd_create resumed>) = 3 [pid 5883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] rmdir("./64/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] rmdir("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5885] <... memfd_create resumed>) = 3 [pid 5884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5883] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5885] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5884] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5883] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5064] <... rmdir resumed>) = 0 [ 155.741791][ T5880] loop3: detected capacity change from 0 to 1024 [pid 5885] <... mmap resumed>) = 0x7fdb7f81d000 [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"..., 524288 [pid 5883] <... mprotect resumed>) = 0 [pid 5880] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] <... rmdir resumed>) = 0 [pid 5064] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5883] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5883] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5880] <... mount resumed>) = 0 [pid 5069] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] newfstatat(AT_FDCWD, "./65/binderfs", [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"..., 524288 [pid 5883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5880] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5886 attached [pid 5884] <... write resumed>) = 524288 [pid 5880] <... openat resumed>) = 3 [pid 5069] newfstatat(AT_FDCWD, "./64/binderfs", [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5883] <... clone3 resumed> => {parent_tid=[5886]}, 88) = 5886 [pid 5064] unlink("./65/binderfs" [pid 5886] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5883] rt_sigprocmask(SIG_SETMASK, [], [pid 5886] <... rseq resumed>) = 0 [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5883] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... unlink resumed>) = 0 [pid 5886] <... set_robust_list resumed>) = 0 [pid 5886] rt_sigprocmask(SIG_SETMASK, [], [pid 5883] <... futex resumed>) = 0 [pid 5064] getdents64(3, [pid 5886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5886] memfd_create("syzkaller", 0 [pid 5880] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5886] <... memfd_create resumed>) = 3 [pid 5880] <... chdir resumed>) = 0 [pid 5064] close(3 [pid 5886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5880] ioctl(4, LOOP_CLR_FD [pid 5886] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5880] <... ioctl resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... close resumed>) = 0 [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"..., 524288 [pid 5880] close(4) = 0 [pid 5064] rmdir("./65" [pid 5880] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5069] unlink("./64/binderfs" [pid 5880] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] <... unlink resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5069] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./64") = 0 [pid 5069] mkdir("./65", 0777) = 0 [pid 5886] <... write resumed>) = 524288 [pid 5879] <... futex resumed>) = 0 [pid 5064] mkdir("./66", 0777 [pid 5884] munmap(0x7fdb7f81d000, 138412032 [pid 5879] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] <... futex resumed>) = 0 [pid 5879] <... futex resumed>) = 1 [pid 5884] <... munmap resumed>) = 0 [pid 5879] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5880] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5885] <... write resumed>) = 524288 [pid 5884] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5880] <... mknod resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5064] <... mkdir resumed>) = 0 [pid 5885] munmap(0x7fdb7f81d000, 138412032 [pid 5884] <... openat resumed>) = 4 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5884] ioctl(4, LOOP_SET_FD, 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5880] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5879] <... futex resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5880] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5885] <... munmap resumed>) = 0 [pid 5879] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5885] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5879] <... futex resumed>) = 0 [pid 5879] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] close(3./strace-static-x86_64: Process 5887 attached [pid 5886] munmap(0x7fdb7f81d000, 138412032 [pid 5885] <... openat resumed>) = 4 [pid 5880] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5064] <... close resumed>) = 0 [pid 5887] set_robust_list(0x5555556c56a0, 24 [pid 5886] <... munmap resumed>) = 0 [pid 5880] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5887] <... set_robust_list resumed>) = 0 [pid 5885] ioctl(4, LOOP_SET_FD, 3 [pid 5884] <... ioctl resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5887 [pid 5887] chdir("./65" [pid 5886] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5886] ioctl(4, LOOP_SET_FD, 3 [pid 5887] <... chdir resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5888 ./strace-static-x86_64: Process 5888 attached [pid 5887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5885] <... ioctl resumed>) = 0 [pid 5884] close(3 [pid 5888] set_robust_list(0x5555556c56a0, 24 [pid 5887] <... prctl resumed>) = 0 [pid 5885] close(3 [pid 5884] <... close resumed>) = 0 [pid 5888] <... set_robust_list resumed>) = 0 [pid 5887] setpgid(0, 0 [pid 5884] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5880] <... open resumed>) = 4 [pid 5888] chdir("./66" [pid 5887] <... setpgid resumed>) = 0 [pid 5885] <... close resumed>) = 0 [pid 5884] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5880] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5885] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5880] <... futex resumed>) = 1 [pid 5879] <... futex resumed>) = 0 [pid 5880] sync( [pid 5879] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5885] <... mkdir resumed>) = 0 [pid 5879] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5888] <... chdir resumed>) = 0 [pid 5887] <... openat resumed>) = 3 [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5888] setpgid(0, 0) = 0 [pid 5887] write(3, "1000", 4 [pid 5885] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5887] <... write resumed>) = 4 [pid 5887] close(3 [pid 5886] <... ioctl resumed>) = 0 [pid 5887] <... close resumed>) = 0 [pid 5886] close(3 [pid 5884] <... mount resumed>) = 0 [pid 5888] <... openat resumed>) = 3 [pid 5887] symlink("/dev/binderfs", "./binderfs" [pid 5886] <... close resumed>) = 0 [ 155.892179][ T5884] loop1: detected capacity change from 0 to 1024 [ 155.915940][ T5885] loop4: detected capacity change from 0 to 1024 [ 155.923598][ T5886] loop2: detected capacity change from 0 to 1024 [pid 5886] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5888] write(3, "1000", 4 [pid 5887] <... symlink resumed>) = 0 [pid 5886] <... mkdir resumed>) = 0 [pid 5884] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5888] <... write resumed>) = 4 [pid 5887] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5884] <... openat resumed>) = 3 [pid 5888] close(3 [pid 5887] <... futex resumed>) = 0 [pid 5884] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5887] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5885] <... mount resumed>) = 0 [pid 5887] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5885] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5884] <... chdir resumed>) = 0 [pid 5879] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5888] <... close resumed>) = 0 [pid 5887] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5888] symlink("/dev/binderfs", "./binderfs" [pid 5887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5885] <... openat resumed>) = 3 [pid 5884] ioctl(4, LOOP_CLR_FD [pid 5888] <... symlink resumed>) = 0 [pid 5887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5885] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5884] <... ioctl resumed>) = 0 [pid 5888] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... chdir resumed>) = 0 [pid 5884] close(4 [pid 5888] <... futex resumed>) = 0 [pid 5887] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5888] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5884] <... close resumed>) = 0 [pid 5887] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5888] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5885] ioctl(4, LOOP_CLR_FD [pid 5888] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5887] <... mprotect resumed>) = 0 [pid 5885] <... ioctl resumed>) = 0 [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5885] close(4 [pid 5884] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] <... close resumed>) = 0 [pid 5885] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5885] <... futex resumed>) = 1 [pid 5884] <... futex resumed>) = 1 [pid 5888] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5887] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5885] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5881] <... futex resumed>) = 0 [pid 5882] <... futex resumed>) = 0 [pid 5888] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5887] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5881] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5881] <... futex resumed>) = 0 [pid 5885] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5881] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] <... futex resumed>) = 0 [pid 5888] <... mprotect resumed>) = 0 [pid 5887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5885] <... mknod resumed>) = 0 [pid 5884] <... mknod resumed>) = 0 [pid 5882] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5889 attached [pid 5888] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5886] <... mount resumed>) = 0 [pid 5884] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5888] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5885] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] <... futex resumed>) = 1 [pid 5881] <... futex resumed>) = 0 [pid 5889] <... rseq resumed>) = 0 [pid 5888] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5886] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5885] <... futex resumed>) = 1 [pid 5884] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5881] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5890 attached [pid 5889] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5887] <... clone3 resumed> => {parent_tid=[5889]}, 88) = 5889 [pid 5886] <... openat resumed>) = 3 [pid 5885] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5881] <... futex resumed>) = 0 [pid 5882] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5889] <... set_robust_list resumed>) = 0 [pid 5888] <... clone3 resumed> => {parent_tid=[5890]}, 88) = 5890 [pid 5887] rt_sigprocmask(SIG_SETMASK, [], [pid 5886] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5884] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5881] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] <... futex resumed>) = 0 [pid 5890] <... rseq resumed>) = 0 [pid 5889] rt_sigprocmask(SIG_SETMASK, [], [pid 5888] rt_sigprocmask(SIG_SETMASK, [], [pid 5887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] <... chdir resumed>) = 0 [pid 5885] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5882] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5890] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5887] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] ioctl(4, LOOP_CLR_FD) = 0 [pid 5887] <... futex resumed>) = 0 [pid 5886] close(4 [pid 5887] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5890] <... set_robust_list resumed>) = 0 [pid 5889] memfd_create("syzkaller", 0 [pid 5886] <... close resumed>) = 0 [pid 5888] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] rt_sigprocmask(SIG_SETMASK, [], [pid 5886] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... memfd_create resumed>) = 3 [pid 5888] <... futex resumed>) = 0 [pid 5890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] <... futex resumed>) = 1 [pid 5883] <... futex resumed>) = 0 [pid 5880] <... sync resumed>) = 0 [pid 5890] memfd_create("syzkaller", 0 [pid 5888] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5886] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5880] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] exit_group(0 [pid 5890] <... memfd_create resumed>) = 3 [pid 5889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5884] <... open resumed>) = 4 [pid 5883] <... futex resumed>) = 0 [pid 5880] <... futex resumed>) = ? [pid 5879] <... exit_group resumed>) = ? [pid 5890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5889] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5886] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5884] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5880] +++ exited with 0 +++ [pid 5879] +++ exited with 0 +++ [pid 5890] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5886] <... mknod resumed>) = 0 [pid 5885] <... open resumed>) = 4 [pid 5884] <... futex resumed>) = 1 [pid 5881] <... futex resumed>) = 0 [pid 5886] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5881] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5889] 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"..., 524288 [pid 5886] <... futex resumed>) = 1 [pid 5885] <... futex resumed>) = 1 [pid 5883] <... futex resumed>) = 0 [pid 5881] <... futex resumed>) = 0 [pid 5882] <... futex resumed>) = 0 [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5881] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... futex resumed>) = 0 [pid 5883] <... futex resumed>) = 0 [pid 5882] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5886] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5890] 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"..., 524288 [pid 5885] sync( [pid 5883] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] <... restart_syscall resumed>) = 0 [pid 5884] sync( [pid 5889] <... write resumed>) = 524288 [pid 5067] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5890] <... write resumed>) = 524288 [pid 5886] <... open resumed>) = 4 [pid 5885] <... sync resumed>) = 0 [pid 5884] <... sync resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5884] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5884] <... futex resumed>) = 1 [pid 5881] <... futex resumed>) = 0 [pid 5890] munmap(0x7fdb7f81d000, 138412032 [pid 5889] munmap(0x7fdb7f81d000, 138412032 [pid 5886] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5885] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5881] exit_group(0 [pid 5067] <... openat resumed>) = 3 [pid 5890] <... munmap resumed>) = 0 [pid 5889] <... munmap resumed>) = 0 [pid 5886] <... futex resumed>) = 1 [pid 5885] <... futex resumed>) = 0 [pid 5884] <... futex resumed>) = ? [pid 5883] <... futex resumed>) = 0 [pid 5881] <... exit_group resumed>) = ? [pid 5882] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5890] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5889] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5886] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5885] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] +++ exited with 0 +++ [pid 5883] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] exit_group(0 [pid 5890] <... openat resumed>) = 4 [pid 5889] <... openat resumed>) = 4 [pid 5885] <... futex resumed>) = ? [pid 5883] <... futex resumed>) = 0 [pid 5881] +++ exited with 0 +++ [pid 5882] <... exit_group resumed>) = ? [pid 5890] ioctl(4, LOOP_SET_FD, 3 [pid 5889] ioctl(4, LOOP_SET_FD, 3 [pid 5886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5885] +++ exited with 0 +++ [pid 5883] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] +++ exited with 0 +++ [pid 5067] newfstatat(3, "", [pid 5890] <... ioctl resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5886] sync( [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5065] <... restart_syscall resumed>) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5065] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... openat resumed>) = 3 [pid 5065] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(3, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] getdents64(3, [pid 5886] <... sync resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] umount2("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(3, "", [pid 5067] umount2("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5886] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5886] <... futex resumed>) = 1 [pid 5883] <... futex resumed>) = 0 [pid 5068] getdents64(3, [pid 5886] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] exit_group(0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... umount2 resumed>) = 0 [pid 5886] <... futex resumed>) = ? [pid 5883] <... exit_group resumed>) = ? [pid 5068] umount2("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5889] <... ioctl resumed>) = 0 [ 156.185266][ T5889] loop5: detected capacity change from 0 to 1024 [ 156.197356][ T5890] loop0: detected capacity change from 0 to 1024 [pid 5067] <... umount2 resumed>) = 0 [pid 5889] close(3 [pid 5890] close(3 [pid 5889] <... close resumed>) = 0 [pid 5886] +++ exited with 0 +++ [pid 5883] +++ exited with 0 +++ [pid 5067] umount2("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5890] <... close resumed>) = 0 [pid 5889] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5890] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5889] <... mkdir resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5890] <... mkdir resumed>) = 0 [pid 5889] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5065] newfstatat(AT_FDCWD, "./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5067] umount2("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5890] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] openat(AT_FDCWD, "./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] umount2("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 4 [pid 5066] <... openat resumed>) = 3 [pid 5067] newfstatat(4, "", [pid 5066] newfstatat(3, "", [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] newfstatat(AT_FDCWD, "./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5067] getdents64(4, [pid 5066] getdents64(3, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] openat(AT_FDCWD, "./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5889] <... mount resumed>) = 0 [pid 5068] umount2("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(4, [pid 5066] umount2("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... openat resumed>) = 4 [pid 5889] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] newfstatat(4, "", [pid 5068] openat(AT_FDCWD, "./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] close(4 [pid 5890] <... mount resumed>) = 0 [pid 5889] <... openat resumed>) = 3 [pid 5068] <... openat resumed>) = 4 [pid 5067] <... close resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5889] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] rmdir("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5890] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5889] <... chdir resumed>) = 0 [pid 5068] newfstatat(4, "", [pid 5890] <... openat resumed>) = 3 [pid 5889] ioctl(4, LOOP_CLR_FD [pid 5890] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5889] <... ioctl resumed>) = 0 [pid 5890] <... chdir resumed>) = 0 [pid 5889] close(4 [pid 5067] <... rmdir resumed>) = 0 [pid 5890] ioctl(4, LOOP_CLR_FD [pid 5889] <... close resumed>) = 0 [pid 5067] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5889] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] unlink("./65/binderfs") = 0 [pid 5067] getdents64(3, [pid 5889] <... futex resumed>) = 1 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5890] <... ioctl resumed>) = 0 [pid 5889] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] close(3 [pid 5065] getdents64(4, [pid 5887] <... futex resumed>) = 0 [pid 5068] getdents64(4, [pid 5887] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] close(4 [pid 5889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5887] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] <... close resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5887] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(4, [pid 5065] getdents64(4, [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] close(4 [pid 5065] close(4 [pid 5890] <... close resumed>) = 0 [pid 5889] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5068] <... close resumed>) = 0 [pid 5067] rmdir("./65" [pid 5066] <... umount2 resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5890] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... mknod resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5065] rmdir("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5890] <... futex resumed>) = 1 [pid 5889] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5890] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5889] <... futex resumed>) = 1 [pid 5887] <... futex resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] mkdir("./66", 0777 [pid 5066] umount2("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5889] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] <... futex resumed>) = 0 [pid 5887] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... rmdir resumed>) = 0 [pid 5889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5888] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5887] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... mkdir resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5890] <... futex resumed>) = 0 [pid 5889] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5888] <... futex resumed>) = 1 [pid 5887] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5066] newfstatat(AT_FDCWD, "./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5890] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5068] newfstatat(AT_FDCWD, "./66/binderfs", [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5888] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5890] <... mknod resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5066] umount2("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(AT_FDCWD, "./65/binderfs", [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5066] openat(AT_FDCWD, "./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] unlink("./66/binderfs" [pid 5067] <... ioctl resumed>) = 0 [pid 5066] <... openat resumed>) = 4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] close(3 [pid 5066] newfstatat(4, "", [pid 5890] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... unlink resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5065] unlink("./65/binderfs" [pid 5890] <... futex resumed>) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5068] getdents64(3, [pid 5890] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5889] <... open resumed>) = 4 [pid 5888] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... unlink resumed>) = 0 [pid 5888] <... futex resumed>) = 0 [pid 5068] close(3 [pid 5888] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 5066] getdents64(4, [pid 5889] <... futex resumed>) = 1 [pid 5068] rmdir("./66" [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5887] <... futex resumed>) = 0 [pid 5889] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5887] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 5891 [pid 5066] getdents64(4, [pid 5889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5887] <... futex resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5887] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5890] <... open resumed>) = 4 [pid 5889] sync( [pid 5068] mkdir("./67", 0777 [pid 5066] close(4) = 0 [pid 5066] rmdir("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5066] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5891 attached [pid 5066] newfstatat(AT_FDCWD, "./65/binderfs", [pid 5065] getdents64(3, [pid 5068] <... mkdir resumed>) = 0 [pid 5891] set_robust_list(0x5555556c56a0, 24 [pid 5890] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] unlink("./65/binderfs" [pid 5891] <... set_robust_list resumed>) = 0 [pid 5890] <... futex resumed>) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5066] <... unlink resumed>) = 0 [pid 5065] close(3 [pid 5891] chdir("./66" [pid 5890] sync( [pid 5888] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5066] getdents64(3, [pid 5891] <... chdir resumed>) = 0 [pid 5888] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... close resumed>) = 0 [pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5888] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5065] rmdir("./65" [pid 5891] <... prctl resumed>) = 0 [pid 5066] close(3 [pid 5891] setpgid(0, 0 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] <... close resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5891] <... setpgid resumed>) = 0 [pid 5066] rmdir("./65" [pid 5890] <... sync resumed>) = 0 [pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5890] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] close(3 [pid 5066] <... rmdir resumed>) = 0 [pid 5065] mkdir("./66", 0777 [pid 5890] <... futex resumed>) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5888] exit_group(0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5888] <... exit_group resumed>) = ? [pid 5066] mkdir("./66", 0777 [pid 5890] +++ exited with 0 +++ [pid 5066] <... mkdir resumed>) = 0 [pid 5065] <... mkdir resumed>) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5066] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5066] close(3 [pid 5889] <... sync resumed>) = 0 [pid 5888] +++ exited with 0 +++ [pid 5887] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5066] <... close resumed>) = 0 [pid 5891] <... openat resumed>) = 3 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5892 [pid 5889] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5064] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5889] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5892 attached [pid 5891] write(3, "1000", 4 [pid 5889] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5887] exit_group(0 [pid 5064] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5892] set_robust_list(0x5555556c56a0, 24 [pid 5891] <... write resumed>) = 4 [pid 5889] <... futex resumed>) = ? [pid 5887] <... exit_group resumed>) = ? [pid 5065] <... openat resumed>) = 3 [pid 5064] <... openat resumed>) = 3 [pid 5064] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5891] close(3 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5893 [pid 5892] <... set_robust_list resumed>) = 0 [pid 5891] <... close resumed>) = 0 [pid 5889] +++ exited with 0 +++ [pid 5887] +++ exited with 0 +++ [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5064] getdents64(3, [pid 5891] symlink("/dev/binderfs", "./binderfs" [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5892] chdir("./67" [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 ./strace-static-x86_64: Process 5893 attached [pid 5892] <... chdir resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5065] close(3 [pid 5064] umount2("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5893] set_robust_list(0x5555556c56a0, 24 [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5891] <... symlink resumed>) = 0 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5065] <... close resumed>) = 0 [pid 5893] <... set_robust_list resumed>) = 0 [pid 5892] <... prctl resumed>) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5893] chdir("./66") = 0 [pid 5892] setpgid(0, 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5893] setpgid(0, 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5893] <... setpgid resumed>) = 0 [pid 5892] <... setpgid resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... openat resumed>) = 3 [pid 5893] <... openat resumed>) = 3 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5891] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(3, "", ./strace-static-x86_64: Process 5894 attached [pid 5893] write(3, "1000", 4 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5894 [pid 5892] <... openat resumed>) = 3 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5891] <... futex resumed>) = 0 [pid 5894] set_robust_list(0x5555556c56a0, 24 [pid 5891] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5891] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5894] <... set_robust_list resumed>) = 0 [pid 5892] write(3, "1000", 4 [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] getdents64(3, [pid 5892] <... write resumed>) = 4 [pid 5891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5894] chdir("./66" [pid 5893] <... write resumed>) = 4 [pid 5892] close(3 [pid 5891] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5894] <... chdir resumed>) = 0 [pid 5892] <... close resumed>) = 0 [pid 5891] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5892] symlink("/dev/binderfs", "./binderfs" [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5893] close(3 [pid 5892] <... symlink resumed>) = 0 [pid 5891] <... mprotect resumed>) = 0 [pid 5069] umount2("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5894] <... prctl resumed>) = 0 [pid 5892] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] setpgid(0, 0 [pid 5893] <... close resumed>) = 0 [pid 5892] <... futex resumed>) = 0 [pid 5891] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5894] <... setpgid resumed>) = 0 [pid 5892] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5891] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5892] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 5895 attached [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5893] symlink("/dev/binderfs", "./binderfs" [pid 5892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5893] <... symlink resumed>) = 0 [pid 5895] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5894] <... openat resumed>) = 3 [pid 5893] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5891] <... clone3 resumed> => {parent_tid=[5895]}, 88) = 5895 [pid 5895] <... rseq resumed>) = 0 [pid 5894] write(3, "1000", 4 [pid 5893] <... futex resumed>) = 0 [pid 5892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5891] rt_sigprocmask(SIG_SETMASK, [], [pid 5895] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5894] <... write resumed>) = 4 [pid 5893] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5895] <... set_robust_list resumed>) = 0 [pid 5894] close(3 [pid 5893] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5892] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] rt_sigprocmask(SIG_SETMASK, [], [pid 5894] <... close resumed>) = 0 [pid 5893] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5892] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5891] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5894] symlink("/dev/binderfs", "./binderfs" [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5892] <... mprotect resumed>) = 0 [pid 5891] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5064] <... umount2 resumed>) = 0 [pid 5895] memfd_create("syzkaller", 0 [pid 5894] <... symlink resumed>) = 0 [pid 5892] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5891] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] umount2("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 5893] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5894] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... mprotect resumed>) = 0 [pid 5064] newfstatat(AT_FDCWD, "./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5895] <... memfd_create resumed>) = 3 [pid 5894] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5894] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5893] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5892] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] newfstatat(AT_FDCWD, "./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5895] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5894] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5893] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5894] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5896 attached [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"..., 524288 [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] umount2("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5897 attached [pid 5897] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053) = 0 [pid 5897] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5893] <... clone3 resumed> => {parent_tid=[5897]}, 88) = 5897 [pid 5897] <... set_robust_list resumed>) = 0 [pid 5893] rt_sigprocmask(SIG_SETMASK, [], [pid 5897] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5893] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] memfd_create("syzkaller", 0 [pid 5893] <... futex resumed>) = 0 [pid 5897] <... memfd_create resumed>) = 3 [pid 5893] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5896] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5892] <... clone3 resumed> => {parent_tid=[5896]}, 88) = 5896 [pid 5069] umount2("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5897] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5896] <... rseq resumed>) = 0 [pid 5894] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5892] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [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"..., 524288 [pid 5896] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5894] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] openat(AT_FDCWD, "./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5896] <... set_robust_list resumed>) = 0 [pid 5892] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... mprotect resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5896] rt_sigprocmask(SIG_SETMASK, [], [pid 5892] <... futex resumed>) = 0 [pid 5069] newfstatat(4, "", [pid 5896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] <... write resumed>) = 524288 [pid 5894] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5892] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... openat resumed>) = 4 [pid 5896] memfd_create("syzkaller", 0 [pid 5895] munmap(0x7fdb7f81d000, 138412032 [pid 5894] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] getdents64(4, [pid 5064] newfstatat(4, "", [pid 5894] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 5898 attached [pid 5896] <... memfd_create resumed>) = 3 [pid 5895] <... munmap resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5898] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5895] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5894] <... clone3 resumed> => {parent_tid=[5898]}, 88) = 5898 [pid 5069] getdents64(4, [pid 5064] getdents64(4, [pid 5898] <... rseq resumed>) = 0 [pid 5896] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5894] rt_sigprocmask(SIG_SETMASK, [], [pid 5898] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5897] <... write resumed>) = 524288 [pid 5895] <... openat resumed>) = 4 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5898] <... set_robust_list resumed>) = 0 [pid 5894] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] close(4 [pid 5064] getdents64(4, [pid 5898] rt_sigprocmask(SIG_SETMASK, [], [pid 5894] <... futex resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] ioctl(4, LOOP_SET_FD, 3 [pid 5894] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] rmdir("./65/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] close(4 [pid 5898] memfd_create("syzkaller", 0 [pid 5064] <... close resumed>) = 0 [pid 5898] <... memfd_create resumed>) = 3 [pid 5897] munmap(0x7fdb7f81d000, 138412032 [pid 5898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5064] rmdir("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5898] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5897] <... munmap resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... rmdir resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./65/binderfs", [pid 5064] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [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"..., 524288 [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"..., 524288 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5897] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] unlink("./65/binderfs" [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5064] unlink("./66/binderfs" [pid 5897] <... openat resumed>) = 4 [pid 5064] <... unlink resumed>) = 0 [pid 5064] getdents64(3, [pid 5895] <... ioctl resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5897] ioctl(4, LOOP_SET_FD, 3 [pid 5064] close(3 [pid 5896] <... write resumed>) = 524288 [ 156.687719][ T5895] loop3: detected capacity change from 0 to 1024 [pid 5895] close(3 [pid 5064] <... close resumed>) = 0 [pid 5898] <... write resumed>) = 524288 [pid 5896] munmap(0x7fdb7f81d000, 138412032 [pid 5895] <... close resumed>) = 0 [pid 5064] rmdir("./66" [pid 5898] munmap(0x7fdb7f81d000, 138412032 [pid 5895] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5898] <... munmap resumed>) = 0 [pid 5897] <... ioctl resumed>) = 0 [pid 5895] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5064] mkdir("./67", 0777 [pid 5898] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5896] <... munmap resumed>) = 0 [pid 5069] getdents64(3, [pid 5898] <... openat resumed>) = 4 [pid 5897] close(3 [pid 5896] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 5898] ioctl(4, LOOP_SET_FD, 3 [pid 5897] <... close resumed>) = 0 [pid 5069] close(3 [pid 5897] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5896] <... openat resumed>) = 4 [pid 5897] <... mkdir resumed>) = 0 [pid 5897] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5896] ioctl(4, LOOP_SET_FD, 3 [pid 5898] <... ioctl resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [ 156.746583][ T5897] loop2: detected capacity change from 0 to 1024 [ 156.786651][ T5898] loop1: detected capacity change from 0 to 1024 [pid 5898] close(3) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5898] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5896] <... ioctl resumed>) = 0 [pid 5069] rmdir("./65" [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5898] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5896] close(3 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5896] <... close resumed>) = 0 [pid 5064] close(3) = 0 [pid 5896] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5896] <... mkdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5897] <... mount resumed>) = 0 [pid 5896] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] mkdir("./66", 0777 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5899 [pid 5897] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 5899 attached [pid 5897] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] <... mkdir resumed>) = 0 [pid 5899] set_robust_list(0x5555556c56a0, 24) = 0 [pid 5897] <... chdir resumed>) = 0 [pid 5899] chdir("./67" [pid 5897] ioctl(4, LOOP_CLR_FD [pid 5899] <... chdir resumed>) = 0 [pid 5897] <... ioctl resumed>) = 0 [pid 5899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5897] close(4 [pid 5899] <... prctl resumed>) = 0 [pid 5897] <... close resumed>) = 0 [pid 5895] <... mount resumed>) = 0 [ 156.796711][ T5896] loop4: detected capacity change from 0 to 1024 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5899] setpgid(0, 0) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5895] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5899] <... openat resumed>) = 3 [pid 5897] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] write(3, "1000", 4 [pid 5897] <... futex resumed>) = 1 [pid 5893] <... futex resumed>) = 0 [pid 5899] <... write resumed>) = 4 [pid 5897] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5893] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] close(3 [pid 5898] <... mount resumed>) = 0 [pid 5897] <... mknod resumed>) = 0 [pid 5895] <... openat resumed>) = 3 [pid 5893] <... futex resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 5898] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5895] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] <... close resumed>) = 0 [pid 5899] <... close resumed>) = 0 [pid 5898] <... openat resumed>) = 3 [pid 5895] <... chdir resumed>) = 0 [pid 5893] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5899] symlink("/dev/binderfs", "./binderfs" [pid 5898] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5895] ioctl(4, LOOP_CLR_FD [pid 5899] <... symlink resumed>) = 0 [pid 5898] <... chdir resumed>) = 0 [pid 5895] <... ioctl resumed>) = 0 [pid 5899] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] ioctl(4, LOOP_CLR_FD [pid 5897] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] close(4./strace-static-x86_64: Process 5900 attached [pid 5899] <... futex resumed>) = 0 [pid 5898] <... ioctl resumed>) = 0 [pid 5897] <... futex resumed>) = 1 [pid 5896] <... mount resumed>) = 0 [pid 5895] <... close resumed>) = 0 [pid 5893] <... futex resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5900 [pid 5900] set_robust_list(0x5555556c56a0, 24 [pid 5899] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5898] close(4 [pid 5897] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5896] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5895] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... set_robust_list resumed>) = 0 [pid 5899] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5893] <... futex resumed>) = 0 [pid 5895] <... futex resumed>) = 1 [pid 5891] <... futex resumed>) = 0 [pid 5900] chdir("./66" [pid 5899] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5898] <... close resumed>) = 0 [pid 5897] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5896] <... openat resumed>) = 3 [pid 5895] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5900] <... chdir resumed>) = 0 [pid 5899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5898] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5891] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5898] <... futex resumed>) = 1 [pid 5895] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5894] <... futex resumed>) = 0 [pid 5891] <... futex resumed>) = 0 [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5899] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5896] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5895] <... mknod resumed>) = 0 [pid 5891] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5894] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5898] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5896] <... chdir resumed>) = 0 [pid 5894] <... futex resumed>) = 0 [pid 5900] <... prctl resumed>) = 0 [pid 5899] <... mprotect resumed>) = 0 [pid 5895] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] setpgid(0, 0 [pid 5899] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5895] <... futex resumed>) = 1 [pid 5894] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5891] <... futex resumed>) = 0 [pid 5900] <... setpgid resumed>) = 0 [pid 5899] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5899] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5898] <... mknod resumed>) = 0 [pid 5897] <... open resumed>) = 4 [pid 5896] ioctl(4, LOOP_CLR_FD [pid 5895] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5891] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... openat resumed>) = 3 [pid 5897] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] <... ioctl resumed>) = 0 [pid 5891] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5901 attached [pid 5900] write(3, "1000", 4 [pid 5899] <... clone3 resumed> => {parent_tid=[5901]}, 88) = 5901 [pid 5897] <... futex resumed>) = 1 [pid 5893] <... futex resumed>) = 0 [pid 5891] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5896] close(4 [pid 5901] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5900] <... write resumed>) = 4 [pid 5899] rt_sigprocmask(SIG_SETMASK, [], [pid 5897] sync( [pid 5893] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... rseq resumed>) = 0 [pid 5900] close(3 [pid 5899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5896] <... close resumed>) = 0 [pid 5896] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5900] <... close resumed>) = 0 [pid 5899] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] <... futex resumed>) = 1 [pid 5893] <... futex resumed>) = 0 [pid 5892] <... futex resumed>) = 0 [pid 5901] <... set_robust_list resumed>) = 0 [pid 5900] symlink("/dev/binderfs", "./binderfs" [pid 5899] <... futex resumed>) = 0 [pid 5896] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] rt_sigprocmask(SIG_SETMASK, [], [pid 5900] <... symlink resumed>) = 0 [pid 5899] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5898] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5892] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5900] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] <... futex resumed>) = 0 [pid 5896] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5898] <... futex resumed>) = 1 [pid 5894] <... futex resumed>) = 0 [pid 5901] memfd_create("syzkaller", 0 [pid 5900] <... futex resumed>) = 0 [pid 5892] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... memfd_create resumed>) = 3 [pid 5900] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5898] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5896] <... mknod resumed>) = 0 [pid 5894] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5900] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5894] <... futex resumed>) = 0 [pid 5901] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5900] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5894] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5896] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5898] <... open resumed>) = 4 [pid 5900] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5896] <... futex resumed>) = 1 [pid 5892] <... futex resumed>) = 0 [pid 5900] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5898] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... mprotect resumed>) = 0 [pid 5898] <... futex resumed>) = 1 [pid 5894] <... futex resumed>) = 0 [pid 5892] <... futex resumed>) = 0 [pid 5900] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5898] sync( [pid 5896] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5895] <... open resumed>) = 4 [pid 5894] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5891] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5900] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5891] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5894] <... futex resumed>) = 0 [pid 5891] <... futex resumed>) = 0 [pid 5894] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5893] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5901] 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"..., 524288 [pid 5900] <... clone3 resumed> => {parent_tid=[5902]}, 88) = 5902 [pid 5895] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5902 attached [pid 5900] rt_sigprocmask(SIG_SETMASK, [], [pid 5895] <... futex resumed>) = 0 [pid 5891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5902] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5891] <... mmap resumed>) = 0x7fdb87bfc000 [pid 5902] <... rseq resumed>) = 0 [pid 5900] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] mprotect(0x7fdb87bfd000, 131072, PROT_READ|PROT_WRITE [pid 5902] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5896] <... open resumed>) = 4 [pid 5902] <... set_robust_list resumed>) = 0 [pid 5901] <... write resumed>) = 524288 [pid 5900] <... futex resumed>) = 0 [pid 5896] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] <... mprotect resumed>) = 0 [pid 5902] rt_sigprocmask(SIG_SETMASK, [], [pid 5900] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5896] <... futex resumed>) = 1 [pid 5892] <... futex resumed>) = 0 [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5891] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5892] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] memfd_create("syzkaller", 0 [pid 5901] munmap(0x7fdb7f81d000, 138412032 [pid 5896] sync( [pid 5891] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5902] <... memfd_create resumed>) = 3 [pid 5898] <... sync resumed>) = 0 [pid 5897] <... sync resumed>) = 0 [pid 5892] <... futex resumed>) = 0 [pid 5891] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c1c990, parent_tid=0x7fdb87c1c990, exit_signal=0, stack=0x7fdb87bfc000, stack_size=0x20300, tls=0x7fdb87c1c6c0} [pid 5902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5901] <... munmap resumed>) = 0 [pid 5898] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5897] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5902] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5898] <... futex resumed>) = 1 [pid 5897] <... futex resumed>) = 0 [pid 5894] <... futex resumed>) = 0 [pid 5893] exit_group(0 [pid 5891] <... clone3 resumed> => {parent_tid=[5903]}, 88) = 5903 ./strace-static-x86_64: Process 5903 attached [pid 5902] 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"..., 524288 [pid 5901] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5898] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5896] <... sync resumed>) = 0 [pid 5894] exit_group(0 [pid 5893] <... exit_group resumed>) = ? [pid 5891] rt_sigprocmask(SIG_SETMASK, [], [pid 5898] <... futex resumed>) = ? [pid 5897] +++ exited with 0 +++ [pid 5896] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... exit_group resumed>) = ? [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5896] <... futex resumed>) = 1 [pid 5903] rseq(0x7fdb87c1cfe0, 0x20, 0, 0x53053053 [pid 5901] <... openat resumed>) = 4 [pid 5898] +++ exited with 0 +++ [pid 5896] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5894] +++ exited with 0 +++ [pid 5893] +++ exited with 0 +++ [pid 5892] <... futex resumed>) = 0 [pid 5891] futex(0x7fdb87d096b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] ioctl(4, LOOP_SET_FD, 3 [pid 5892] exit_group(0 [pid 5891] <... futex resumed>) = 0 [pid 5891] futex(0x7fdb87d096bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5892] <... exit_group resumed>) = ? [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5896] <... futex resumed>) = ? [pid 5903] <... rseq resumed>) = 0 [pid 5903] set_robust_list(0x7fdb87c1c9a0, 24) = 0 [pid 5903] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5903] sync( [pid 5896] +++ exited with 0 +++ [pid 5892] +++ exited with 0 +++ [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5066] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... restart_syscall resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(3, "", [pid 5065] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] getdents64(3, [pid 5068] <... openat resumed>) = 3 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] newfstatat(3, "", [pid 5066] umount2("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5901] <... ioctl resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5901] close(3 [pid 5068] getdents64(3, [pid 5065] newfstatat(3, "", [pid 5901] <... close resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5901] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5068] umount2("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5901] <... mkdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5903] <... sync resumed>) = 0 [ 157.063199][ T5901] loop0: detected capacity change from 0 to 1024 [pid 5065] getdents64(3, [pid 5902] <... write resumed>) = 524288 [pid 5901] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5891] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... umount2 resumed>) = 0 [pid 5065] umount2("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5903] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5903] futex(0x7fdb87d096b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] munmap(0x7fdb7f81d000, 138412032 [pid 5901] <... mount resumed>) = 0 [pid 5902] <... munmap resumed>) = 0 [pid 5901] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5891] exit_group(0 [pid 5901] <... openat resumed>) = 3 [pid 5901] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] umount2("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5902] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5901] <... chdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5902] <... openat resumed>) = 4 [pid 5901] ioctl(4, LOOP_CLR_FD) = 0 [pid 5068] newfstatat(AT_FDCWD, "./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5902] ioctl(4, LOOP_SET_FD, 3 [pid 5901] close(4) = 0 [pid 5895] <... futex resumed>) = ? [pid 5891] <... exit_group resumed>) = ? [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5903] <... futex resumed>) = ? [pid 5895] +++ exited with 0 +++ [pid 5901] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5901] <... futex resumed>) = 1 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5901] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5899] <... futex resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5899] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 4 [pid 5901] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5899] <... futex resumed>) = 0 [pid 5068] newfstatat(4, "", [pid 5901] <... mknod resumed>) = 0 [pid 5899] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5903] +++ exited with 0 +++ [pid 5901] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] +++ exited with 0 +++ [pid 5068] getdents64(4, [pid 5901] <... futex resumed>) = 1 [pid 5899] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5901] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5899] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5899] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5899] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] close(4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] rmdir("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] <... openat resumed>) = 3 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] newfstatat(3, "", [pid 5066] <... umount2 resumed>) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] umount2("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 5066] umount2("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5902] <... ioctl resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5902] close(3 [pid 5068] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] newfstatat(AT_FDCWD, "./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5902] <... close resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5902] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5068] newfstatat(AT_FDCWD, "./67/binderfs", [pid 5066] umount2("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5901] <... open resumed>) = 4 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... openat resumed>) = 4 [ 157.144747][ T5902] loop5: detected capacity change from 0 to 1024 [pid 5901] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] openat(AT_FDCWD, "./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] newfstatat(4, "", [pid 5902] <... mkdir resumed>) = 0 [pid 5901] <... futex resumed>) = 1 [pid 5899] <... futex resumed>) = 0 [pid 5068] unlink("./67/binderfs" [pid 5067] <... umount2 resumed>) = 0 [pid 5066] <... openat resumed>) = 4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5901] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5899] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5902] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5899] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... unlink resumed>) = 0 [pid 5065] getdents64(4, [pid 5901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5901] sync( [pid 5068] getdents64(3, [pid 5066] newfstatat(4, "", [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(4, [pid 5902] <... mount resumed>) = 0 [pid 5068] close(3 [pid 5066] getdents64(4, [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5902] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] <... close resumed>) = 0 [pid 5067] umount2("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] close(4 [pid 5902] <... openat resumed>) = 3 [pid 5068] rmdir("./67" [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] getdents64(4, [pid 5065] <... close resumed>) = 0 [pid 5902] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] <... rmdir resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] rmdir("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5902] <... chdir resumed>) = 0 [pid 5068] mkdir("./68", 0777 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5902] ioctl(4, LOOP_CLR_FD [pid 5066] close(4 [pid 5902] <... ioctl resumed>) = 0 [pid 5067] umount2("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5902] close(4) = 0 [pid 5067] openat(AT_FDCWD, "./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] rmdir("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5902] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... mkdir resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5066] <... rmdir resumed>) = 0 [pid 5065] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5902] <... futex resumed>) = 1 [pid 5900] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5902] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5901] <... sync resumed>) = 0 [pid 5900] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] newfstatat(4, "", [pid 5065] newfstatat(AT_FDCWD, "./66/binderfs", [pid 5902] <... mknod resumed>) = 0 [pid 5900] <... futex resumed>) = 0 [pid 5899] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... openat resumed>) = 3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5900] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] getdents64(4, [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] unlink("./66/binderfs" [pid 5901] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... ioctl resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] newfstatat(AT_FDCWD, "./66/binderfs", [pid 5065] <... unlink resumed>) = 0 [pid 5902] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... futex resumed>) = 0 [pid 5899] exit_group(0 [pid 5068] close(3 [pid 5067] getdents64(4, [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5902] <... futex resumed>) = 1 [pid 5900] <... futex resumed>) = 0 [pid 5899] <... exit_group resumed>) = ? [pid 5068] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] unlink("./66/binderfs" [pid 5902] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5901] +++ exited with 0 +++ [pid 5900] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] +++ exited with 0 +++ [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] close(4 [pid 5066] <... unlink resumed>) = 0 [pid 5065] getdents64(3, [pid 5902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5900] <... futex resumed>) = 0 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5899, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5902] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5900] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... close resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] close(3 [pid 5065] close(3 [pid 5064] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5904 [pid 5067] rmdir("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] <... close resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5904 attached [pid 5067] <... rmdir resumed>) = 0 [pid 5066] rmdir("./66" [pid 5065] rmdir("./66" [pid 5064] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5904] set_robust_list(0x5555556c56a0, 24 [pid 5066] <... rmdir resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5904] <... set_robust_list resumed>) = 0 [pid 5067] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] newfstatat(3, "", [pid 5904] chdir("./68" [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] mkdir("./67", 0777 [pid 5065] mkdir("./67", 0777 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] newfstatat(AT_FDCWD, "./66/binderfs", [pid 5065] <... mkdir resumed>) = 0 [pid 5904] <... chdir resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] getdents64(3, [pid 5902] <... open resumed>) = 4 [pid 5066] <... mkdir resumed>) = 0 [pid 5904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5902] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] unlink("./66/binderfs" [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5904] <... prctl resumed>) = 0 [pid 5902] <... futex resumed>) = 1 [pid 5900] <... futex resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5064] umount2("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5904] setpgid(0, 0) = 0 [pid 5900] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... openat resumed>) = 3 [pid 5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5900] <... futex resumed>) = 0 [pid 5067] getdents64(3, [pid 5066] <... openat resumed>) = 3 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... ioctl resumed>) = 0 [pid 5902] sync( [pid 5900] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5067] close(3 [pid 5065] close(3 [pid 5067] <... close resumed>) = 0 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] <... umount2 resumed>) = 0 [pid 5904] <... openat resumed>) = 3 [pid 5067] rmdir("./66" [pid 5066] close(3 [pid 5065] <... close resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] umount2("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5904] write(3, "1000", 4 [pid 5067] mkdir("./67", 0777 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5904] <... write resumed>) = 4 [pid 5904] close(3 [pid 5067] <... mkdir resumed>) = 0 [pid 5904] <... close resumed>) = 0 [pid 5904] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5064] newfstatat(AT_FDCWD, "./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", ./strace-static-x86_64: Process 5906 attached [pid 5904] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5906] set_robust_list(0x5555556c56a0, 24 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5906 [pid 5906] <... set_robust_list resumed>) = 0 [pid 5904] <... futex resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5905 [pid 5906] chdir("./67" [pid 5904] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5906] <... chdir resumed>) = 0 [pid 5904] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5904] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5067] <... ioctl resumed>) = 0 [pid 5906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] <... prctl resumed>) = 0 [pid 5904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] close(3 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5906] setpgid(0, 0 [pid 5904] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5906] <... setpgid resumed>) = 0 [pid 5904] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5904] <... mprotect resumed>) = 0 [pid 5906] <... openat resumed>) = 3 [pid 5904] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5064] umount2("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5906] write(3, "1000", 4 [pid 5904] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5906] <... write resumed>) = 4 [pid 5904] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5908 attached ./strace-static-x86_64: Process 5905 attached [pid 5906] close(3 [pid 5064] openat(AT_FDCWD, "./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5908] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5906] <... close resumed>) = 0 [pid 5904] <... clone3 resumed> => {parent_tid=[5908]}, 88) = 5908 [pid 5900] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 5907 ./strace-static-x86_64: Process 5907 attached [pid 5908] <... rseq resumed>) = 0 [pid 5906] symlink("/dev/binderfs", "./binderfs" [pid 5904] rt_sigprocmask(SIG_SETMASK, [], [pid 5907] set_robust_list(0x5555556c56a0, 24 [pid 5908] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5905] set_robust_list(0x5555556c56a0, 24 [pid 5906] <... symlink resumed>) = 0 [pid 5904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] <... openat resumed>) = 4 [pid 5907] <... set_robust_list resumed>) = 0 [pid 5908] <... set_robust_list resumed>) = 0 [pid 5905] <... set_robust_list resumed>) = 0 [pid 5906] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] chdir("./67" [pid 5908] rt_sigprocmask(SIG_SETMASK, [], [pid 5905] chdir("./67" [pid 5906] <... futex resumed>) = 0 [pid 5904] <... futex resumed>) = 0 [pid 5064] newfstatat(4, "", [pid 5907] <... chdir resumed>) = 0 [pid 5908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] <... chdir resumed>) = 0 [pid 5906] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5904] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5908] memfd_create("syzkaller", 0 [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5906] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5902] <... sync resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5907] <... prctl resumed>) = 0 [pid 5908] <... memfd_create resumed>) = 3 [pid 5905] <... prctl resumed>) = 0 [pid 5906] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5907] setpgid(0, 0 [pid 5908] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5905] setpgid(0, 0 [pid 5906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5902] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] getdents64(4, [pid 5907] <... setpgid resumed>) = 0 [pid 5908] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5905] <... setpgid resumed>) = 0 [pid 5906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5906] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5902] <... futex resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5900] exit_group(0 [pid 5905] <... openat resumed>) = 3 [pid 5900] <... exit_group resumed>) = ? [pid 5064] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5905] write(3, "1000", 4 [pid 5906] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5907] <... openat resumed>) = 3 [pid 5907] write(3, "1000", 4 [pid 5906] <... mprotect resumed>) = 0 [pid 5902] +++ exited with 0 +++ [pid 5905] <... write resumed>) = 4 [pid 5900] +++ exited with 0 +++ [pid 5064] close(4 [pid 5907] <... write resumed>) = 4 [pid 5905] close(3 [pid 5906] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5064] <... close resumed>) = 0 [pid 5907] close(3 [pid 5908] 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"..., 524288 [pid 5905] <... close resumed>) = 0 [pid 5906] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5064] rmdir("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5907] <... close resumed>) = 0 [pid 5905] symlink("/dev/binderfs", "./binderfs" [pid 5906] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5907] symlink("/dev/binderfs", "./binderfs" [pid 5905] <... symlink resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5909 attached [pid 5907] <... symlink resumed>) = 0 [pid 5908] <... write resumed>) = 524288 [pid 5906] <... clone3 resumed> => {parent_tid=[5909]}, 88) = 5909 [pid 5069] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5905] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5909] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5907] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... futex resumed>) = 0 [pid 5907] <... futex resumed>) = 0 [pid 5905] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5905] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5064] newfstatat(AT_FDCWD, "./67/binderfs", [pid 5905] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5909] <... rseq resumed>) = 0 [pid 5907] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... openat resumed>) = 3 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5909] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5907] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] newfstatat(3, "", [pid 5909] <... set_robust_list resumed>) = 0 [pid 5907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5906] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] rt_sigprocmask(SIG_SETMASK, [], [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5906] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] unlink("./67/binderfs" [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5905] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5906] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5909] memfd_create("syzkaller", 0 [pid 5907] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5905] <... mprotect resumed>) = 0 [pid 5064] <... unlink resumed>) = 0 [pid 5909] <... memfd_create resumed>) = 3 [pid 5907] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5908] munmap(0x7fdb7f81d000, 138412032 [pid 5069] getdents64(3, [pid 5907] <... mprotect resumed>) = 0 [pid 5908] <... munmap resumed>) = 0 [pid 5909] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5907] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5908] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5909] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5907] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5908] <... openat resumed>) = 4 [pid 5905] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5064] getdents64(3, [pid 5069] umount2("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5908] ioctl(4, LOOP_SET_FD, 3 [pid 5905] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5905] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5907] <... clone3 resumed> => {parent_tid=[5910]}, 88) = 5910 [pid 5064] close(3 [pid 5907] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5911 attached [pid 5909] 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"..., 524288 [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] <... clone3 resumed> => {parent_tid=[5911]}, 88) = 5911 [pid 5064] <... close resumed>) = 0 ./strace-static-x86_64: Process 5910 attached [pid 5911] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5907] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] rt_sigprocmask(SIG_SETMASK, [], [pid 5911] <... rseq resumed>) = 0 [pid 5910] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5907] <... futex resumed>) = 0 [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] rmdir("./67" [pid 5911] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5910] <... rseq resumed>) = 0 [pid 5907] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5905] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... set_robust_list resumed>) = 0 [pid 5910] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5905] <... futex resumed>) = 0 [pid 5911] rt_sigprocmask(SIG_SETMASK, [], [pid 5910] <... set_robust_list resumed>) = 0 [pid 5905] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5908] <... ioctl resumed>) = 0 [pid 5910] rt_sigprocmask(SIG_SETMASK, [], [pid 5911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5908] close(3) = 0 [pid 5911] memfd_create("syzkaller", 0 [pid 5910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5908] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5064] mkdir("./68", 0777 [pid 5911] <... memfd_create resumed>) = 3 [pid 5910] memfd_create("syzkaller", 0) = 3 [pid 5911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 5910] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5909] <... write resumed>) = 524288 [pid 5069] umount2("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... mkdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] umount2("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [ 157.460442][ T5908] loop4: detected capacity change from 0 to 1024 [pid 5910] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5909] munmap(0x7fdb7f81d000, 138412032 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5909] <... munmap resumed>) = 0 [pid 5909] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5909] ioctl(4, LOOP_SET_FD, 3 [pid 5908] <... mkdir resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5069] openat(AT_FDCWD, "./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5069] <... openat resumed>) = 4 [pid 5911] 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"..., 524288 [pid 5069] newfstatat(4, "", [pid 5064] <... ioctl resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] close(3 [pid 5069] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... close resumed>) = 0 [pid 5069] getdents64(4, [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5910] 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"..., 524288 [pid 5069] close(4) = 0 [pid 5069] rmdir("./66/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5908] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5909] <... ioctl resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./66/binderfs", [pid 5909] close(3 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5909] <... close resumed>) = 0 [pid 5069] unlink("./66/binderfs" [pid 5909] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5912 attached [pid 5909] <... mkdir resumed>) = 0 [pid 5069] getdents64(3, [pid 5912] set_robust_list(0x5555556c56a0, 24) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5912] chdir("./68" [pid 5069] close(3 [pid 5912] <... chdir resumed>) = 0 [pid 5909] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] <... close resumed>) = 0 [pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] rmdir("./66" [pid 5912] setpgid(0, 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5912 [pid 5912] <... setpgid resumed>) = 0 [pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] mkdir("./67", 0777 [pid 5912] <... openat resumed>) = 3 [pid 5909] <... mount resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5909] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5912] write(3, "1000", 4 [pid 5909] <... openat resumed>) = 3 [pid 5912] <... write resumed>) = 4 [ 157.525277][ T5909] loop1: detected capacity change from 0 to 1024 [pid 5909] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5912] close(3) = 0 [pid 5912] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5909] <... chdir resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5909] ioctl(4, LOOP_CLR_FD [pid 5069] <... ioctl resumed>) = 0 [pid 5909] <... ioctl resumed>) = 0 [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5909] close(4 [pid 5911] <... write resumed>) = 524288 [pid 5909] <... close resumed>) = 0 [pid 5912] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... write resumed>) = 524288 [pid 5909] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... futex resumed>) = 0 [pid 5912] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5909] <... futex resumed>) = 1 [pid 5906] <... futex resumed>) = 0 [pid 5912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5910] munmap(0x7fdb7f81d000, 138412032 [pid 5909] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5906] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5911] munmap(0x7fdb7f81d000, 138412032 [pid 5910] <... munmap resumed>) = 0 [pid 5909] <... mknod resumed>) = 0 ./strace-static-x86_64: Process 5913 attached [pid 5912] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5906] <... futex resumed>) = 0 [pid 5913] set_robust_list(0x5555556c56a0, 24 [pid 5912] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5911] <... munmap resumed>) = 0 [pid 5908] <... mount resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5913 [pid 5909] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5912] <... mprotect resumed>) = 0 [pid 5909] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5913] <... set_robust_list resumed>) = 0 [pid 5913] chdir("./67" [pid 5912] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5910] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5908] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5906] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5910] <... openat resumed>) = 4 [pid 5908] <... openat resumed>) = 3 [pid 5906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5906] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5909] <... futex resumed>) = 0 [pid 5906] <... futex resumed>) = 1 [pid 5908] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5914 attached [pid 5913] <... chdir resumed>) = 0 [pid 5911] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5910] ioctl(4, LOOP_SET_FD, 3 [pid 5909] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5908] ioctl(4, LOOP_CLR_FD [pid 5906] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5911] <... openat resumed>) = 4 [pid 5914] <... rseq resumed>) = 0 [pid 5914] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5912] <... clone3 resumed> => {parent_tid=[5914]}, 88) = 5914 [pid 5914] <... set_robust_list resumed>) = 0 [pid 5913] <... prctl resumed>) = 0 [pid 5912] rt_sigprocmask(SIG_SETMASK, [], [pid 5914] rt_sigprocmask(SIG_SETMASK, [], [pid 5913] setpgid(0, 0 [pid 5912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5913] <... setpgid resumed>) = 0 [pid 5912] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] ioctl(4, LOOP_SET_FD, 3 [pid 5908] <... ioctl resumed>) = 0 [pid 5914] memfd_create("syzkaller", 0 [pid 5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5912] <... futex resumed>) = 0 [pid 5909] <... open resumed>) = 4 [pid 5914] <... memfd_create resumed>) = 3 [pid 5913] <... openat resumed>) = 3 [pid 5914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5913] write(3, "1000", 4 [pid 5912] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5909] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5913] <... write resumed>) = 4 [pid 5908] close(4 [pid 5913] close(3 [pid 5910] <... ioctl resumed>) = 0 [pid 5908] <... close resumed>) = 0 [pid 5913] <... close resumed>) = 0 [pid 5909] <... futex resumed>) = 1 [pid 5906] <... futex resumed>) = 0 [pid 5913] symlink("/dev/binderfs", "./binderfs" [pid 5909] sync( [pid 5906] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] <... symlink resumed>) = 0 [pid 5910] close(3 [pid 5908] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] <... futex resumed>) = 0 [pid 5914] 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"..., 524288 [pid 5913] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... close resumed>) = 0 [pid 5908] <... futex resumed>) = 1 [pid 5906] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] <... futex resumed>) = 0 [pid 5911] <... ioctl resumed>) = 0 [pid 5910] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5908] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] <... futex resumed>) = 0 [pid 5910] <... mkdir resumed>) = 0 [pid 5904] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5904] <... futex resumed>) = 1 [pid 5913] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5904] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5908] <... futex resumed>) = 0 [pid 5913] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 157.639301][ T5910] loop3: detected capacity change from 0 to 1024 [ 157.651691][ T5911] loop2: detected capacity change from 0 to 1024 [pid 5908] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5911] close(3 [pid 5910] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5914] <... write resumed>) = 524288 [pid 5913] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5913] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5908] <... mknod resumed>) = 0 [pid 5913] <... mprotect resumed>) = 0 [pid 5913] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} => {parent_tid=[5915]}, 88) = 5915 ./strace-static-x86_64: Process 5915 attached [pid 5913] rt_sigprocmask(SIG_SETMASK, [], [pid 5915] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5911] <... close resumed>) = 0 [pid 5915] <... rseq resumed>) = 0 [pid 5913] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5913] <... futex resumed>) = 0 [pid 5911] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5909] <... sync resumed>) = 0 [pid 5908] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] <... set_robust_list resumed>) = 0 [pid 5913] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5915] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5906] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5915] memfd_create("syzkaller", 0 [pid 5909] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] <... futex resumed>) = 1 [pid 5904] <... futex resumed>) = 0 [pid 5911] <... mkdir resumed>) = 0 [pid 5909] <... futex resumed>) = 0 [pid 5908] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5904] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] <... memfd_create resumed>) = 3 [pid 5914] munmap(0x7fdb7f81d000, 138412032 [pid 5911] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5909] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5908] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5906] exit_group(0 [pid 5908] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5915] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5906] <... exit_group resumed>) = ? [pid 5904] <... futex resumed>) = 0 [pid 5915] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5904] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5915] 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"..., 524288 [pid 5914] <... munmap resumed>) = 0 [pid 5909] <... futex resumed>) = ? [pid 5914] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5909] +++ exited with 0 +++ [pid 5906] +++ exited with 0 +++ [pid 5914] ioctl(4, LOOP_SET_FD, 3 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5906, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5065] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5910] <... mount resumed>) = 0 [pid 5065] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5908] <... open resumed>) = 4 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5910] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5908] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... openat resumed>) = 3 [pid 5908] <... futex resumed>) = 1 [pid 5904] <... futex resumed>) = 0 [pid 5065] newfstatat(3, "", [pid 5908] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] <... mount resumed>) = 0 [pid 5910] <... openat resumed>) = 3 [pid 5904] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5911] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5910] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5908] <... futex resumed>) = 0 [pid 5904] <... futex resumed>) = 1 [pid 5065] getdents64(3, [pid 5911] <... openat resumed>) = 3 [pid 5910] <... chdir resumed>) = 0 [pid 5908] sync( [pid 5904] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5911] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5910] ioctl(4, LOOP_CLR_FD [pid 5915] <... write resumed>) = 524288 [pid 5911] <... chdir resumed>) = 0 [pid 5910] <... ioctl resumed>) = 0 [pid 5065] umount2("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5911] ioctl(4, LOOP_CLR_FD [ 157.775906][ T5914] loop0: detected capacity change from 0 to 1024 [pid 5910] close(4 [pid 5915] munmap(0x7fdb7f81d000, 138412032 [pid 5914] <... ioctl resumed>) = 0 [pid 5911] <... ioctl resumed>) = 0 [pid 5910] <... close resumed>) = 0 [pid 5915] <... munmap resumed>) = 0 [pid 5914] close(3 [pid 5911] close(4 [pid 5910] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5914] <... close resumed>) = 0 [pid 5911] <... close resumed>) = 0 [pid 5910] <... futex resumed>) = 1 [pid 5907] <... futex resumed>) = 0 [pid 5915] <... openat resumed>) = 4 [pid 5914] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5911] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5907] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] ioctl(4, LOOP_SET_FD, 3 [pid 5914] <... mkdir resumed>) = 0 [pid 5907] <... futex resumed>) = 0 [pid 5911] <... futex resumed>) = 1 [pid 5910] <... mknod resumed>) = 0 [pid 5907] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5908] <... sync resumed>) = 0 [pid 5905] <... futex resumed>) = 0 [pid 5911] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5905] <... futex resumed>) = 0 [pid 5911] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5905] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5911] <... mknod resumed>) = 0 [pid 5908] <... futex resumed>) = 0 [pid 5904] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] <... umount2 resumed>) = 0 [pid 5904] exit_group(0 [pid 5910] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... exit_group resumed>) = ? [pid 5910] <... futex resumed>) = 1 [pid 5907] <... futex resumed>) = 0 [pid 5907] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5907] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] <... mount resumed>) = 0 [pid 5908] +++ exited with 0 +++ [pid 5904] +++ exited with 0 +++ [pid 5910] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5065] umount2("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5914] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5065] newfstatat(AT_FDCWD, "./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5914] <... openat resumed>) = 3 [pid 5914] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5914] <... chdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5915] <... ioctl resumed>) = 0 [pid 5914] ioctl(4, LOOP_CLR_FD [pid 5068] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] umount2("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5915] close(3 [pid 5914] <... ioctl resumed>) = 0 [pid 5911] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 3 [pid 5915] <... close resumed>) = 0 [pid 5914] close(4 [pid 5911] <... futex resumed>) = 1 [pid 5905] <... futex resumed>) = 0 [pid 5068] newfstatat(3, "", [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 157.849096][ T5915] loop5: detected capacity change from 0 to 1024 [pid 5915] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5914] <... close resumed>) = 0 [pid 5911] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... open resumed>) = 4 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] openat(AT_FDCWD, "./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5905] <... futex resumed>) = 0 [pid 5068] getdents64(3, [pid 5915] <... mkdir resumed>) = 0 [pid 5914] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5905] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... openat resumed>) = 4 [pid 5910] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5907] <... futex resumed>) = 0 [pid 5068] umount2("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5915] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5914] <... futex resumed>) = 1 [pid 5912] <... futex resumed>) = 0 [pid 5910] sync( [pid 5907] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(4, "", [pid 5914] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5912] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5907] <... futex resumed>) = 0 [pid 5914] <... mknod resumed>) = 0 [pid 5912] <... futex resumed>) = 0 [pid 5907] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] getdents64(4, [pid 5912] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5914] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] <... futex resumed>) = 0 [pid 5914] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5912] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5912] <... futex resumed>) = 0 [pid 5912] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] getdents64(4, [pid 5911] <... open resumed>) = 4 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5911] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] close(4 [pid 5911] <... futex resumed>) = 1 [pid 5905] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5905] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] rmdir("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5905] <... futex resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5905] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5915] <... mount resumed>) = 0 [pid 5065] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5915] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5911] sync( [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5915] <... openat resumed>) = 3 [pid 5065] newfstatat(AT_FDCWD, "./67/binderfs", [pid 5915] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5914] <... open resumed>) = 4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5915] <... chdir resumed>) = 0 [pid 5914] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] unlink("./67/binderfs" [pid 5915] ioctl(4, LOOP_CLR_FD [pid 5914] <... futex resumed>) = 1 [pid 5912] <... futex resumed>) = 0 [pid 5065] <... unlink resumed>) = 0 [pid 5915] <... ioctl resumed>) = 0 [pid 5914] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] close(4 [pid 5912] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] getdents64(3, [pid 5915] <... close resumed>) = 0 [pid 5914] <... futex resumed>) = 0 [pid 5912] <... futex resumed>) = 1 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5915] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5914] sync( [pid 5912] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5915] <... futex resumed>) = 1 [pid 5065] close(3 [pid 5915] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5913] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] rmdir("./67" [pid 5915] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5913] <... futex resumed>) = 0 [pid 5911] <... sync resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5915] <... mknod resumed>) = 0 [pid 5913] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5911] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] mkdir("./68", 0777 [pid 5911] <... futex resumed>) = 1 [pid 5905] <... futex resumed>) = 0 [pid 5065] <... mkdir resumed>) = 0 [pid 5915] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5905] exit_group(0 [pid 5068] <... umount2 resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5915] <... futex resumed>) = 1 [pid 5913] <... futex resumed>) = 0 [pid 5911] <... futex resumed>) = ? [pid 5905] <... exit_group resumed>) = ? [pid 5068] umount2("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... openat resumed>) = 3 [pid 5915] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5913] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] +++ exited with 0 +++ [pid 5905] +++ exited with 0 +++ [pid 5913] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5914] <... sync resumed>) = 0 [pid 5913] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(AT_FDCWD, "./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5914] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5065] close(3 [pid 5915] <... open resumed>) = 4 [pid 5914] <... futex resumed>) = 1 [pid 5912] <... futex resumed>) = 0 [pid 5068] umount2("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... restart_syscall resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5915] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5915] <... futex resumed>) = 1 [pid 5913] <... futex resumed>) = 0 [pid 5912] exit_group(0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5915] sync( [pid 5914] <... futex resumed>) = ? [pid 5913] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... exit_group resumed>) = ? [pid 5068] openat(AT_FDCWD, "./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5914] +++ exited with 0 +++ [pid 5913] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5913] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(4, "", [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5916 attached [pid 5912] +++ exited with 0 +++ [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5916] set_robust_list(0x5555556c56a0, 24 [pid 5068] getdents64(4, [pid 5066] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5916 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5916] <... set_robust_list resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] <... openat resumed>) = 3 [pid 5916] chdir("./68" [pid 5068] getdents64(4, [pid 5066] newfstatat(3, "", [pid 5916] <... chdir resumed>) = 0 [pid 5915] <... sync resumed>) = 0 [pid 5910] <... sync resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5915] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] close(4 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5916] <... prctl resumed>) = 0 [pid 5915] <... futex resumed>) = 1 [pid 5913] <... futex resumed>) = 0 [pid 5910] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 5066] getdents64(3, [pid 5916] setpgid(0, 0 [pid 5915] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] exit_group(0 [pid 5910] <... futex resumed>) = 0 [pid 5068] rmdir("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5916] <... setpgid resumed>) = 0 [pid 5915] <... futex resumed>) = ? [pid 5913] <... exit_group resumed>) = ? [pid 5910] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] exit_group(0 [pid 5068] <... rmdir resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5907] <... exit_group resumed>) = ? [pid 5916] <... openat resumed>) = 3 [pid 5915] +++ exited with 0 +++ [pid 5913] +++ exited with 0 +++ [pid 5066] umount2("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... openat resumed>) = 3 [pid 5910] <... futex resumed>) = ? [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5913, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5916] write(3, "1000", 4 [pid 5068] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5916] <... write resumed>) = 4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5916] close(3) = 0 [pid 5068] newfstatat(AT_FDCWD, "./68/binderfs", [pid 5916] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5916] <... symlink resumed>) = 0 [pid 5910] +++ exited with 0 +++ [pid 5907] +++ exited with 0 +++ [pid 5064] newfstatat(3, "", [pid 5068] unlink("./68/binderfs" [pid 5916] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... unlink resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] getdents64(3, [pid 5916] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(3, [pid 5916] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5069] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5916] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5916] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] <... openat resumed>) = 3 [pid 5068] close(3 [pid 5064] umount2("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] newfstatat(3, "", [pid 5068] <... close resumed>) = 0 [pid 5067] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] rmdir("./68" [pid 5916] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5069] getdents64(3, [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... umount2 resumed>) = 0 [pid 5916] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5916] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] mkdir("./69", 0777 [pid 5067] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] umount2("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... umount2 resumed>) = 0 [pid 5916] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] umount2("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... mkdir resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5916] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] newfstatat(3, "", [pid 5066] newfstatat(AT_FDCWD, "./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5068] <... openat resumed>) = 3 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 5917 attached [pid 5916] <... clone3 resumed> => {parent_tid=[5917]}, 88) = 5917 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] getdents64(3, [pid 5066] umount2("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5917] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053) = 0 [pid 5916] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5917] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5068] close(3 [pid 5066] openat(AT_FDCWD, "./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5917] <... set_robust_list resumed>) = 0 [pid 5916] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] umount2("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... close resumed>) = 0 [pid 5066] <... openat resumed>) = 4 [pid 5917] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] newfstatat(4, "", [pid 5916] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] umount2("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5917] memfd_create("syzkaller", 0 [pid 5916] <... futex resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5917] <... memfd_create resumed>) = 3 [pid 5916] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5918 [pid 5066] getdents64(4, [pid 5064] newfstatat(AT_FDCWD, "./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5069] umount2("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] umount2("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 4 [pid 5064] openat(AT_FDCWD, "./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5918 attached [pid 5917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] newfstatat(4, "", [pid 5067] <... umount2 resumed>) = 0 [pid 5066] getdents64(4, [pid 5064] <... openat resumed>) = 4 [pid 5918] set_robust_list(0x5555556c56a0, 24 [pid 5917] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] umount2("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(4, [pid 5066] close(4 [pid 5064] newfstatat(4, "", [pid 5918] <... set_robust_list resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... close resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5918] chdir("./69" [pid 5917] 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"..., 524288 [pid 5069] getdents64(4, [pid 5067] newfstatat(AT_FDCWD, "./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] rmdir("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] getdents64(4, [pid 5918] <... chdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] close(4 [pid 5066] <... rmdir resumed>) = 0 [pid 5064] getdents64(4, [pid 5918] <... prctl resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5067] umount2("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5918] setpgid(0, 0) = 0 [pid 5069] rmdir("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5069] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] close(4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... close resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./67/binderfs", [pid 5064] rmdir("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] openat(AT_FDCWD, "./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... rmdir resumed>) = 0 [pid 5918] <... openat resumed>) = 3 [pid 5069] unlink("./67/binderfs" [pid 5067] <... openat resumed>) = 4 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... unlink resumed>) = 0 [pid 5064] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, [pid 5067] newfstatat(4, "", [pid 5066] newfstatat(AT_FDCWD, "./67/binderfs", [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5069] close(3 [pid 5064] newfstatat(AT_FDCWD, "./68/binderfs", [pid 5069] <... close resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] rmdir("./67" [pid 5066] unlink("./67/binderfs" [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] <... unlink resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5066] getdents64(3, [pid 5917] <... write resumed>) = 524288 [pid 5067] getdents64(4, [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] unlink("./68/binderfs" [pid 5066] close(3 [pid 5918] write(3, "1000", 4 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] <... close resumed>) = 0 [pid 5064] <... unlink resumed>) = 0 [pid 5066] rmdir("./67" [pid 5918] <... write resumed>) = 4 [pid 5069] mkdir("./68", 0777 [pid 5067] getdents64(4, [pid 5066] <... rmdir resumed>) = 0 [pid 5918] close(3 [pid 5069] <... mkdir resumed>) = 0 [pid 5066] mkdir("./68", 0777) = 0 [pid 5918] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5918] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... openat resumed>) = 3 [pid 5067] close(4 [pid 5066] <... openat resumed>) = 3 [pid 5067] <... close resumed>) = 0 [pid 5918] <... symlink resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5067] rmdir("./67/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5918] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] munmap(0x7fdb7f81d000, 138412032 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5918] <... futex resumed>) = 0 [pid 5069] close(3 [pid 5067] <... rmdir resumed>) = 0 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5064] getdents64(3, [pid 5918] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5917] <... munmap resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... ioctl resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5918] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5917] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] close(3 [pid 5064] close(3 [pid 5918] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5917] <... openat resumed>) = 4 [pid 5918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] newfstatat(AT_FDCWD, "./67/binderfs", [pid 5917] ioctl(4, LOOP_SET_FD, 3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5919 [pid 5064] <... close resumed>) = 0 [pid 5918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] unlink("./67/binderfs" [pid 5064] rmdir("./68") = 0 ./strace-static-x86_64: Process 5919 attached [pid 5064] mkdir("./69", 0777 [pid 5919] set_robust_list(0x5555556c56a0, 24 [pid 5918] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5067] <... unlink resumed>) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 5918] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5919] <... set_robust_list resumed>) = 0 [pid 5918] <... mprotect resumed>) = 0 [pid 5067] getdents64(3, [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5919] chdir("./68" [pid 5918] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5919] <... chdir resumed>) = 0 [pid 5918] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5917] <... ioctl resumed>) = 0 [pid 5067] close(3 [pid 5919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5918] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5917] close(3 [pid 5067] <... close resumed>) = 0 [pid 5064] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5920 attached [pid 5919] <... prctl resumed>) = 0 [pid 5917] <... close resumed>) = 0 [pid 5067] rmdir("./67" [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5920] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5919] setpgid(0, 0 [pid 5918] <... clone3 resumed> => {parent_tid=[5920]}, 88) = 5920 [pid 5917] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5064] close(3 [pid 5920] <... rseq resumed>) = 0 [pid 5919] <... setpgid resumed>) = 0 [pid 5917] <... mkdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5920] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5918] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] mkdir("./68", 0777 [pid 5920] <... set_robust_list resumed>) = 0 [pid 5919] <... openat resumed>) = 3 [pid 5918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5917] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] <... mkdir resumed>) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5920] rt_sigprocmask(SIG_SETMASK, [], [pid 5918] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5919] write(3, "1000", 4 [pid 5918] <... futex resumed>) = 0 [pid 5920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... openat resumed>) = 3 [ 158.312088][ T5917] loop1: detected capacity change from 0 to 1024 [pid 5920] memfd_create("syzkaller", 0 [pid 5919] <... write resumed>) = 4 [pid 5918] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5920] <... memfd_create resumed>) = 3 [pid 5919] close(3 [pid 5067] <... ioctl resumed>) = 0 [pid 5919] <... close resumed>) = 0 [pid 5920] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5067] close(3 [pid 5920] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5919] symlink("/dev/binderfs", "./binderfs" [pid 5067] <... close resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5919] <... symlink resumed>) = 0 [pid 5920] 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"..., 524288 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556c5690) = 5923 [pid 5919] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5923 attached ./strace-static-x86_64: Process 5921 attached [pid 5923] set_robust_list(0x5555556c56a0, 24 [pid 5919] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5921 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5922 [pid 5923] <... set_robust_list resumed>) = 0 [pid 5919] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, ./strace-static-x86_64: Process 5922 attached [pid 5921] set_robust_list(0x5555556c56a0, 24 [pid 5919] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5922] set_robust_list(0x5555556c56a0, 24 [pid 5921] <... set_robust_list resumed>) = 0 [pid 5923] chdir("./68" [pid 5919] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5922] <... set_robust_list resumed>) = 0 [pid 5921] chdir("./68" [pid 5923] <... chdir resumed>) = 0 [pid 5919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5917] <... mount resumed>) = 0 [pid 5922] chdir("./69" [pid 5921] <... chdir resumed>) = 0 [pid 5923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5922] <... chdir resumed>) = 0 [pid 5917] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5923] <... prctl resumed>) = 0 [pid 5917] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5919] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5922] <... prctl resumed>) = 0 [pid 5921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5919] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5922] setpgid(0, 0 [pid 5921] <... prctl resumed>) = 0 [pid 5919] <... mprotect resumed>) = 0 [pid 5921] setpgid(0, 0 [pid 5920] <... write resumed>) = 524288 [pid 5923] setpgid(0, 0 [pid 5921] <... setpgid resumed>) = 0 [pid 5917] <... chdir resumed>) = 0 [pid 5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5922] <... setpgid resumed>) = 0 [pid 5921] <... openat resumed>) = 3 [pid 5919] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5923] <... setpgid resumed>) = 0 [pid 5917] ioctl(4, LOOP_CLR_FD [pid 5919] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5922] <... openat resumed>) = 3 [pid 5919] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 5924 attached [pid 5922] write(3, "1000", 4 [pid 5921] write(3, "1000", 4 [pid 5924] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5922] <... write resumed>) = 4 [pid 5921] <... write resumed>) = 4 [pid 5919] <... clone3 resumed> => {parent_tid=[5924]}, 88) = 5924 [pid 5924] <... rseq resumed>) = 0 [pid 5922] close(3 [pid 5921] close(3 [pid 5919] rt_sigprocmask(SIG_SETMASK, [], [pid 5924] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5922] <... close resumed>) = 0 [pid 5921] <... close resumed>) = 0 [pid 5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5919] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5917] <... ioctl resumed>) = 0 [pid 5924] <... set_robust_list resumed>) = 0 [pid 5922] symlink("/dev/binderfs", "./binderfs" [pid 5921] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5922] <... symlink resumed>) = 0 [pid 5917] close(4 [pid 5923] <... openat resumed>) = 3 [pid 5917] <... close resumed>) = 0 [pid 5923] write(3, "1000", 4 [pid 5924] rt_sigprocmask(SIG_SETMASK, [], [pid 5922] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... futex resumed>) = 0 [pid 5919] <... futex resumed>) = 0 [pid 5921] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5919] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5921] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5921] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5924] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5922] <... futex resumed>) = 0 [pid 5921] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5923] <... write resumed>) = 4 [pid 5917] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] memfd_create("syzkaller", 0 [pid 5922] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5921] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5923] close(3 [pid 5920] munmap(0x7fdb7f81d000, 138412032 [pid 5917] <... futex resumed>) = 1 [pid 5916] <... futex resumed>) = 0 [pid 5924] <... memfd_create resumed>) = 3 [pid 5922] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5921] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5923] <... close resumed>) = 0 [pid 5920] <... munmap resumed>) = 0 [pid 5917] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5916] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5922] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5921] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5923] symlink("/dev/binderfs", "./binderfs" [pid 5924] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5921] <... mprotect resumed>) = 0 [pid 5917] <... mknod resumed>) = 0 [pid 5916] <... futex resumed>) = 0 [pid 5922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5921] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5923] <... symlink resumed>) = 0 [pid 5917] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5922] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5921] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5923] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... futex resumed>) = 0 [pid 5916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5922] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5921] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5923] <... futex resumed>) = 0 [pid 5920] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5916] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... mprotect resumed>) = 0 [pid 5923] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5920] <... openat resumed>) = 4 [pid 5917] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5916] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5925 attached [pid 5924] 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"..., 524288 [pid 5922] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5921] <... clone3 resumed> => {parent_tid=[5925]}, 88) = 5925 [pid 5923] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5916] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5925] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5922] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5921] rt_sigprocmask(SIG_SETMASK, [], [pid 5923] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5920] ioctl(4, LOOP_SET_FD, 3 [pid 5925] <... rseq resumed>) = 0 [pid 5922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5921] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5923] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 5926 attached [pid 5925] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5921] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5925] <... set_robust_list resumed>) = 0 [pid 5922] <... clone3 resumed> => {parent_tid=[5926]}, 88) = 5926 [pid 5921] <... futex resumed>) = 0 [pid 5921] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5925] rt_sigprocmask(SIG_SETMASK, [], [pid 5923] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5922] rt_sigprocmask(SIG_SETMASK, [], [pid 5926] <... rseq resumed>) = 0 [pid 5925] memfd_create("syzkaller", 0 [pid 5922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5923] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5926] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 5925] <... memfd_create resumed>) = 3 [pid 5923] <... mprotect resumed>) = 0 [pid 5925] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5923] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5925] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5923] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5926] rt_sigprocmask(SIG_SETMASK, [], [pid 5925] 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"..., 524288 [pid 5922] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5924] <... write resumed>) = 524288 [pid 5922] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5927 attached [pid 5926] memfd_create("syzkaller", 0 [pid 5922] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5923] <... clone3 resumed> => {parent_tid=[5927]}, 88) = 5927 [pid 5920] <... ioctl resumed>) = 0 [pid 5917] <... open resumed>) = 4 [pid 5927] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5923] rt_sigprocmask(SIG_SETMASK, [], [pid 5920] close(3 [pid 5917] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... rseq resumed>) = 0 [pid 5923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5920] <... close resumed>) = 0 [pid 5923] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5917] <... futex resumed>) = 1 [pid 5916] <... futex resumed>) = 0 [pid 5927] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5923] <... futex resumed>) = 0 [pid 5927] <... set_robust_list resumed>) = 0 [pid 5926] <... memfd_create resumed>) = 3 [pid 5923] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5916] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] rt_sigprocmask(SIG_SETMASK, [], [pid 5926] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5920] <... mkdir resumed>) = 0 [pid 5917] sync( [pid 5916] <... futex resumed>) = 0 [pid 5927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5926] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5916] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] memfd_create("syzkaller", 0 [pid 5926] 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"..., 524288 [pid 5924] munmap(0x7fdb7f81d000, 138412032 [pid 5920] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5927] <... memfd_create resumed>) = 3 [pid 5924] <... munmap resumed>) = 0 [ 158.490492][ T5920] loop4: detected capacity change from 0 to 1024 [pid 5927] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5924] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5927] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5925] <... write resumed>) = 524288 [pid 5924] <... openat resumed>) = 4 [pid 5927] 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"..., 524288 [pid 5926] <... write resumed>) = 524288 [pid 5924] ioctl(4, LOOP_SET_FD, 3 [pid 5925] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 5920] <... mount resumed>) = 0 [pid 5925] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5925] ioctl(4, LOOP_SET_FD, 3 [pid 5927] <... write resumed>) = 524288 [pid 5920] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5916] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5926] munmap(0x7fdb7f81d000, 138412032 [pid 5920] <... openat resumed>) = 3 [pid 5926] <... munmap resumed>) = 0 [pid 5926] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5924] <... ioctl resumed>) = 0 [pid 5926] <... openat resumed>) = 4 [pid 5920] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5926] ioctl(4, LOOP_SET_FD, 3 [pid 5920] <... chdir resumed>) = 0 [pid 5924] close(3 [pid 5920] ioctl(4, LOOP_CLR_FD [pid 5925] <... ioctl resumed>) = 0 [pid 5924] <... close resumed>) = 0 [pid 5925] close(3 [pid 5924] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5920] <... ioctl resumed>) = 0 [pid 5920] close(4 [pid 5924] <... mkdir resumed>) = 0 [pid 5920] <... close resumed>) = 0 [pid 5925] <... close resumed>) = 0 [pid 5924] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5920] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] munmap(0x7fdb7f81d000, 138412032 [pid 5925] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5920] <... futex resumed>) = 1 [pid 5918] <... futex resumed>) = 0 [pid 5917] <... sync resumed>) = 0 [pid 5927] <... munmap resumed>) = 0 [pid 5925] <... mkdir resumed>) = 0 [pid 5920] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5918] <... futex resumed>) = 0 [pid 5926] <... ioctl resumed>) = 0 [pid 5925] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5918] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5926] close(3 [pid 5920] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5917] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... close resumed>) = 0 [ 158.564921][ T5924] loop5: detected capacity change from 0 to 1024 [ 158.580369][ T5925] loop2: detected capacity change from 0 to 1024 [ 158.602467][ T5926] loop0: detected capacity change from 0 to 1024 [pid 5917] <... futex resumed>) = 0 [pid 5916] exit_group(0 [pid 5927] <... openat resumed>) = 4 [pid 5926] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5920] <... mknod resumed>) = 0 [pid 5916] <... exit_group resumed>) = ? [pid 5927] ioctl(4, LOOP_SET_FD, 3 [pid 5926] <... mkdir resumed>) = 0 [pid 5926] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5927] <... ioctl resumed>) = 0 [pid 5925] <... mount resumed>) = 0 [pid 5924] <... mount resumed>) = 0 [pid 5920] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] +++ exited with 0 +++ [pid 5916] +++ exited with 0 +++ [pid 5927] close(3 [pid 5925] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5924] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5920] <... futex resumed>) = 1 [pid 5918] <... futex resumed>) = 0 [pid 5927] <... close resumed>) = 0 [pid 5925] <... openat resumed>) = 3 [pid 5924] <... openat resumed>) = 3 [pid 5920] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5927] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5925] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5918] <... futex resumed>) = 0 [pid 5925] <... chdir resumed>) = 0 [pid 5920] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5918] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5925] ioctl(4, LOOP_CLR_FD [pid 5065] <... restart_syscall resumed>) = 0 [pid 5925] <... ioctl resumed>) = 0 [pid 5927] <... mkdir resumed>) = 0 [pid 5925] close(4) = 0 [pid 5925] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5925] <... futex resumed>) = 1 [pid 5924] <... chdir resumed>) = 0 [pid 5925] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] ioctl(4, LOOP_CLR_FD) = 0 [pid 5924] close(4 [pid 5927] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5924] <... close resumed>) = 0 [pid 5921] <... futex resumed>) = 0 [pid 5065] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5921] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... futex resumed>) = 0 [pid 5921] <... futex resumed>) = 1 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5926] <... mount resumed>) = 0 [pid 5925] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5921] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 158.646380][ T5927] loop3: detected capacity change from 0 to 1024 [pid 5065] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5926] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5925] <... mknod resumed>) = 0 [pid 5924] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... openat resumed>) = 3 [pid 5927] <... mount resumed>) = 0 [pid 5926] <... openat resumed>) = 3 [pid 5925] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] <... futex resumed>) = 1 [pid 5919] <... futex resumed>) = 0 [pid 5065] newfstatat(3, "", [pid 5926] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5925] <... futex resumed>) = 1 [pid 5924] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5921] <... futex resumed>) = 0 [pid 5919] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5926] <... chdir resumed>) = 0 [pid 5925] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5921] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... futex resumed>) = 0 [pid 5927] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5926] ioctl(4, LOOP_CLR_FD [pid 5924] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5921] <... futex resumed>) = 0 [pid 5919] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] getdents64(3, [pid 5927] <... openat resumed>) = 3 [pid 5926] <... ioctl resumed>) = 0 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5924] <... mknod resumed>) = 0 [pid 5921] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] <... open resumed>) = 4 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5927] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5926] close(4 [pid 5925] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5924] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5927] <... chdir resumed>) = 0 [pid 5926] <... close resumed>) = 0 [pid 5926] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5922] <... futex resumed>) = 0 [pid 5927] ioctl(4, LOOP_CLR_FD [pid 5926] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5924] <... futex resumed>) = 1 [pid 5922] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... futex resumed>) = 1 [pid 5919] <... futex resumed>) = 0 [pid 5918] <... futex resumed>) = 0 [pid 5927] <... ioctl resumed>) = 0 [pid 5922] <... futex resumed>) = 0 [pid 5919] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] close(4 [pid 5922] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] sync( [pid 5919] <... futex resumed>) = 0 [pid 5918] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] <... close resumed>) = 0 [pid 5926] <... mknod resumed>) = 0 [pid 5924] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5919] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] <... futex resumed>) = 0 [pid 5927] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5927] <... futex resumed>) = 1 [pid 5925] <... open resumed>) = 4 [pid 5923] <... futex resumed>) = 0 [pid 5927] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5926] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = 0 [pid 5926] <... futex resumed>) = 1 [pid 5922] <... futex resumed>) = 0 [pid 5923] <... futex resumed>) = 0 [pid 5922] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5927] <... mknod resumed>) = 0 [pid 5926] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5925] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5925] <... futex resumed>) = 1 [pid 5921] <... futex resumed>) = 0 [pid 5925] sync( [pid 5921] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5065] umount2("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5921] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5924] <... open resumed>) = 4 [pid 5924] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5919] <... futex resumed>) = 0 [pid 5919] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5919] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5924] sync( [pid 5927] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5923] <... futex resumed>) = 0 [pid 5923] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5927] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5923] <... futex resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5923] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... openat resumed>) = 4 [pid 5065] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5918] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] close(4) = 0 [pid 5065] rmdir("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5065] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5922] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] newfstatat(AT_FDCWD, "./68/binderfs", [pid 5926] <... open resumed>) = 4 [pid 5922] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5927] <... open resumed>) = 4 [pid 5926] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... futex resumed>) = 0 [pid 5921] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] unlink("./68/binderfs" [pid 5926] <... futex resumed>) = 0 [pid 5920] <... sync resumed>) = 0 [pid 5927] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... sync resumed>) = 0 [pid 5920] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5918] exit_group(0 [pid 5927] <... futex resumed>) = 1 [pid 5926] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5925] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5923] <... futex resumed>) = 0 [pid 5918] <... exit_group resumed>) = ? [pid 5065] <... unlink resumed>) = 0 [pid 5925] <... futex resumed>) = 0 [pid 5922] <... mmap resumed>) = 0x7fdb87bfc000 [pid 5921] exit_group(0 [pid 5923] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] getdents64(3, [pid 5922] mprotect(0x7fdb87bfd000, 131072, PROT_READ|PROT_WRITE [pid 5921] <... exit_group resumed>) = ? [pid 5923] <... futex resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5927] sync( [pid 5925] +++ exited with 0 +++ [pid 5924] <... sync resumed>) = 0 [pid 5922] <... mprotect resumed>) = 0 [pid 5921] +++ exited with 0 +++ [pid 5923] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] +++ exited with 0 +++ [pid 5919] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5918] +++ exited with 0 +++ [pid 5922] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5918, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5921, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5065] close(3 [pid 5924] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5922] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] <... close resumed>) = 0 [pid 5924] <... futex resumed>) = 0 [pid 5922] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c1c990, parent_tid=0x7fdb87c1c990, exit_signal=0, stack=0x7fdb87bfc000, stack_size=0x20300, tls=0x7fdb87c1c6c0} [pid 5919] exit_group(0 [pid 5065] rmdir("./68"./strace-static-x86_64: Process 5928 attached [pid 5919] <... exit_group resumed>) = ? [pid 5066] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... rmdir resumed>) = 0 [pid 5927] <... sync resumed>) = 0 [pid 5922] <... clone3 resumed> => {parent_tid=[5928]}, 88) = 5928 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5928] rseq(0x7fdb87c1cfe0, 0x20, 0, 0x53053053 [pid 5927] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5924] +++ exited with 0 +++ [pid 5919] +++ exited with 0 +++ [pid 5065] mkdir("./69", 0777 [pid 5928] <... rseq resumed>) = 0 [pid 5928] set_robust_list(0x7fdb87c1c9a0, 24) = 0 [pid 5928] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5928] futex(0x7fdb87d096b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5919, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5068] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5927] <... futex resumed>) = 1 [pid 5923] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(3, "", [pid 5927] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5922] rt_sigprocmask(SIG_SETMASK, [], [pid 5923] exit_group(0 [pid 5069] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... mkdir resumed>) = 0 [pid 5923] <... exit_group resumed>) = ? [pid 5069] <... openat resumed>) = 3 [pid 5068] <... openat resumed>) = 3 [pid 5066] getdents64(3, [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5927] <... futex resumed>) = ? [pid 5922] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] newfstatat(3, "", [pid 5068] newfstatat(3, "", [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... openat resumed>) = 3 [pid 5927] +++ exited with 0 +++ [pid 5922] futex(0x7fdb87d096b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] +++ exited with 0 +++ [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] umount2("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5068] getdents64(3, [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5923, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] close(3 [pid 5928] <... futex resumed>) = 0 [pid 5922] <... futex resumed>) = 1 [pid 5069] getdents64(3, [pid 5068] umount2("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... close resumed>) = 0 [pid 5928] sync( [pid 5922] futex(0x7fdb87d096bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5929 ./strace-static-x86_64: Process 5929 attached [pid 5929] set_robust_list(0x5555556c56a0, 24) = 0 [pid 5929] chdir("./69" [pid 5067] newfstatat(3, "", [pid 5929] <... chdir resumed>) = 0 [pid 5929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5929] setpgid(0, 0 [pid 5067] getdents64(3, [pid 5929] <... setpgid resumed>) = 0 [pid 5929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] umount2("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5929] write(3, "1000", 4) = 4 [pid 5929] close(3) = 0 [pid 5929] symlink("/dev/binderfs", "./binderfs" [pid 5069] umount2("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5929] <... symlink resumed>) = 0 [pid 5922] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5929] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... umount2 resumed>) = 0 [pid 5929] <... futex resumed>) = 0 [pid 5929] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5929] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5929] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5929] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5067] <... umount2 resumed>) = 0 [pid 5929] <... mprotect resumed>) = 0 [pid 5929] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5928] <... sync resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5928] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(AT_FDCWD, "./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5928] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5929] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5928] futex(0x7fdb87d096b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] umount2("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5929] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5922] exit_group(0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5930 attached [pid 5928] <... futex resumed>) = ? [pid 5926] <... futex resumed>) = ? [pid 5922] <... exit_group resumed>) = ? [pid 5069] openat(AT_FDCWD, "./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] openat(AT_FDCWD, "./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5928] +++ exited with 0 +++ [pid 5926] +++ exited with 0 +++ [pid 5930] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053) = 0 [pid 5930] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5930] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... openat resumed>) = 4 [pid 5068] newfstatat(4, "", [pid 5930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] <... clone3 resumed> => {parent_tid=[5930]}, 88) = 5930 [pid 5922] +++ exited with 0 +++ [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5930] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] newfstatat(4, "", [pid 5068] getdents64(4, [pid 5067] umount2("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] umount2("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] newfstatat(AT_FDCWD, "./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5929] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] getdents64(4, [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5930] <... futex resumed>) = 0 [pid 5929] <... futex resumed>) = 1 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] umount2("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] newfstatat(AT_FDCWD, "./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5930] memfd_create("syzkaller", 0 [pid 5069] getdents64(4, [pid 5068] getdents64(4, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5930] <... memfd_create resumed>) = 3 [pid 5929] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] openat(AT_FDCWD, "./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] umount2("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5930] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] close(4 [pid 5068] close(4 [pid 5067] <... openat resumed>) = 4 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5930] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] newfstatat(4, "", [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5930] 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"..., 524288 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] openat(AT_FDCWD, "./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] rmdir("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... openat resumed>) = 3 [pid 5069] rmdir("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] <... rmdir resumed>) = 0 [pid 5064] newfstatat(3, "", [pid 5069] <... rmdir resumed>) = 0 [pid 5066] <... openat resumed>) = 4 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, [pid 5066] newfstatat(4, "", [pid 5069] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] getdents64(3, [pid 5067] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5069] newfstatat(AT_FDCWD, "./68/binderfs", [pid 5068] newfstatat(AT_FDCWD, "./69/binderfs", [pid 5064] umount2("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] unlink("./68/binderfs" [pid 5068] unlink("./69/binderfs" [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] getdents64(4, [pid 5069] <... unlink resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5067] close(4 [pid 5069] getdents64(3, [pid 5068] getdents64(3, [pid 5067] <... close resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... umount2 resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] rmdir("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] close(3 [pid 5068] close(3 [pid 5066] getdents64(4, [pid 5068] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] rmdir("./69" [pid 5067] <... rmdir resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] rmdir("./68" [pid 5068] <... rmdir resumed>) = 0 [pid 5067] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] close(4 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... close resumed>) = 0 [pid 5069] mkdir("./69", 0777 [pid 5068] mkdir("./70", 0777 [pid 5067] newfstatat(AT_FDCWD, "./68/binderfs", [pid 5066] rmdir("./68/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] umount2("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... mkdir resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5930] <... write resumed>) = 524288 [pid 5066] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] unlink("./68/binderfs" [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5930] munmap(0x7fdb7f81d000, 138412032 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5068] <... openat resumed>) = 3 [pid 5067] <... unlink resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./68/binderfs", [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5930] <... munmap resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] umount2("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 5066] unlink("./68/binderfs" [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] openat(AT_FDCWD, "./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] close(3 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] <... unlink resumed>) = 0 [pid 5064] <... openat resumed>) = 4 [pid 5066] getdents64(3, [pid 5930] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] <... ioctl resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] close(3 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] newfstatat(4, "", [pid 5930] <... openat resumed>) = 4 [pid 5069] close(3 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... close resumed>) = 0 [pid 5066] close(3 [pid 5930] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... close resumed>) = 0 [pid 5067] rmdir("./68" [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... rmdir resumed>) = 0 [pid 5066] rmdir("./68" [pid 5064] getdents64(4, [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5931 [pid 5066] <... rmdir resumed>) = 0 [pid 5066] mkdir("./69", 0777 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] <... mkdir resumed>) = 0 [pid 5064] getdents64(4, [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5064] close(4 [pid 5066] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5931 attached ) = -1 ENXIO (No such device or address) [pid 5064] <... close resumed>) = 0 [pid 5066] close(3 [pid 5931] set_robust_list(0x5555556c56a0, 24 [pid 5066] <... close resumed>) = 0 [pid 5064] rmdir("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5931] <... set_robust_list resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5931] chdir("./70" [pid 5064] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5931] <... chdir resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5064] newfstatat(AT_FDCWD, "./69/binderfs", [pid 5931] <... prctl resumed>) = 0 [pid 5931] setpgid(0, 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5931] <... setpgid resumed>) = 0 [pid 5064] unlink("./69/binderfs" [pid 5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5064] <... unlink resumed>) = 0 [pid 5931] <... openat resumed>) = 3 [pid 5067] mkdir("./69", 0777 [pid 5931] write(3, "1000", 4./strace-static-x86_64: Process 5933 attached ./strace-static-x86_64: Process 5932 attached ) = 4 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5932 [pid 5067] <... mkdir resumed>) = 0 [pid 5932] set_robust_list(0x5555556c56a0, 24 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5933 [pid 5932] <... set_robust_list resumed>) = 0 [pid 5930] <... ioctl resumed>) = 0 [pid 5930] close(3 [pid 5932] chdir("./69" [pid 5930] <... close resumed>) = 0 [pid 5933] set_robust_list(0x5555556c56a0, 24 [pid 5932] <... chdir resumed>) = 0 [pid 5930] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5064] getdents64(3, [pid 5931] close(3 [pid 5933] <... set_robust_list resumed>) = 0 [pid 5932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5931] <... close resumed>) = 0 [pid 5930] <... mkdir resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5932] <... prctl resumed>) = 0 [pid 5931] symlink("/dev/binderfs", "./binderfs" [pid 5933] chdir("./69" [pid 5932] setpgid(0, 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5932] <... setpgid resumed>) = 0 [pid 5931] <... symlink resumed>) = 0 [pid 5930] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] close(3 [pid 5933] <... chdir resumed>) = 0 [pid 5932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5931] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] close(3 [pid 5064] <... close resumed>) = 0 [pid 5932] <... openat resumed>) = 3 [pid 5933] <... prctl resumed>) = 0 [pid 5932] write(3, "1000", 4 [pid 5931] <... futex resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5064] rmdir("./69" [pid 5933] setpgid(0, 0 [pid 5932] <... write resumed>) = 4 [ 159.114970][ T5930] loop1: detected capacity change from 0 to 1024 [pid 5931] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5931] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5930] <... mount resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5931] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5930] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5064] mkdir("./70", 0777 [pid 5933] <... setpgid resumed>) = 0 [pid 5932] close(3 [pid 5931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5930] <... openat resumed>) = 3 [pid 5932] <... close resumed>) = 0 [pid 5931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5930] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5932] symlink("/dev/binderfs", "./binderfs" [pid 5931] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5930] <... chdir resumed>) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 5933] <... openat resumed>) = 3 [pid 5931] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5930] ioctl(4, LOOP_CLR_FD [pid 5932] <... symlink resumed>) = 0 [pid 5931] <... mprotect resumed>) = 0 [pid 5930] <... ioctl resumed>) = 0 [pid 5930] close(4) = 0 [pid 5933] write(3, "1000", 4 [pid 5932] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ./strace-static-x86_64: Process 5934 attached [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5933] <... write resumed>) = 4 [pid 5932] <... futex resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 5934 [pid 5934] set_robust_list(0x5555556c56a0, 24) = 0 [pid 5933] close(3 [pid 5932] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5934] chdir("./69" [pid 5933] <... close resumed>) = 0 [pid 5932] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5931] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5930] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5933] symlink("/dev/binderfs", "./binderfs" [pid 5932] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5933] <... symlink resumed>) = 0 [pid 5932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5931] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5930] <... futex resumed>) = 1 [pid 5064] close(3 [pid 5933] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5930] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5931] <... clone3 resumed> => {parent_tid=[5935]}, 88) = 5935 [pid 5932] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5064] <... close resumed>) = 0 ./strace-static-x86_64: Process 5935 attached [pid 5933] <... futex resumed>) = 0 [pid 5932] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5931] rt_sigprocmask(SIG_SETMASK, [], [pid 5929] <... futex resumed>) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5935] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5934] <... chdir resumed>) = 0 [pid 5933] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5932] <... mprotect resumed>) = 0 [pid 5931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... rseq resumed>) = 0 [pid 5934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5933] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5932] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5931] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] <... futex resumed>) = 0 [pid 5929] <... futex resumed>) = 1 [pid 5935] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5934] <... prctl resumed>) = 0 [pid 5933] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5932] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5935] <... set_robust_list resumed>) = 0 [pid 5933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5931] <... futex resumed>) = 0 [pid 5930] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5929] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5936 ./strace-static-x86_64: Process 5937 attached ./strace-static-x86_64: Process 5936 attached [pid 5935] rt_sigprocmask(SIG_SETMASK, [], [pid 5934] setpgid(0, 0 [pid 5933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5931] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5930] <... mknod resumed>) = 0 [pid 5937] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5936] set_robust_list(0x5555556c56a0, 24 [pid 5935] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5934] <... setpgid resumed>) = 0 [pid 5933] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5932] <... clone3 resumed> => {parent_tid=[5937]}, 88) = 5937 [pid 5930] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... rseq resumed>) = 0 [pid 5937] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5935] memfd_create("syzkaller", 0 [pid 5933] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5932] rt_sigprocmask(SIG_SETMASK, [], [pid 5934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5937] <... set_robust_list resumed>) = 0 [pid 5935] <... memfd_create resumed>) = 3 [pid 5933] <... mprotect resumed>) = 0 [pid 5937] rt_sigprocmask(SIG_SETMASK, [], [pid 5935] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5934] <... openat resumed>) = 3 [pid 5937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5936] <... set_robust_list resumed>) = 0 [pid 5935] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5934] write(3, "1000", 4 [pid 5933] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5930] <... futex resumed>) = 1 [pid 5929] <... futex resumed>) = 0 [pid 5937] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] chdir("./70" [pid 5934] <... write resumed>) = 4 [pid 5933] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5932] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5930] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5929] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5936] <... chdir resumed>) = 0 [pid 5935] 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"..., 524288 [pid 5934] close(3 [pid 5933] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5932] <... futex resumed>) = 0 [pid 5929] <... futex resumed>) = 0 [pid 5936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5934] <... close resumed>) = 0 [pid 5932] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5929] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5938 attached [pid 5937] memfd_create("syzkaller", 0 [pid 5936] <... prctl resumed>) = 0 [pid 5934] symlink("/dev/binderfs", "./binderfs" [pid 5933] <... clone3 resumed> => {parent_tid=[5938]}, 88) = 5938 [pid 5938] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5936] setpgid(0, 0 [pid 5934] <... symlink resumed>) = 0 [pid 5933] rt_sigprocmask(SIG_SETMASK, [], [pid 5938] <... rseq resumed>) = 0 [pid 5936] <... setpgid resumed>) = 0 [pid 5933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5934] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5933] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... futex resumed>) = 0 [pid 5938] <... set_robust_list resumed>) = 0 [pid 5934] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5933] <... futex resumed>) = 0 [pid 5937] <... memfd_create resumed>) = 3 [pid 5936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5938] rt_sigprocmask(SIG_SETMASK, [], [pid 5937] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5936] <... openat resumed>) = 3 [pid 5934] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5933] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5930] <... open resumed>) = 4 [pid 5938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5936] write(3, "1000", 4 [pid 5930] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] memfd_create("syzkaller", 0 [pid 5937] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5936] <... write resumed>) = 4 [pid 5930] <... futex resumed>) = 1 [pid 5929] <... futex resumed>) = 0 [pid 5936] close(3 [pid 5930] sync( [pid 5929] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] <... close resumed>) = 0 [pid 5929] <... futex resumed>) = 0 [pid 5936] symlink("/dev/binderfs", "./binderfs" [pid 5934] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5929] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] <... symlink resumed>) = 0 [pid 5935] <... write resumed>) = 524288 [pid 5936] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5936] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5936] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5935] munmap(0x7fdb7f81d000, 138412032 [pid 5936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5936] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5935] <... munmap resumed>) = 0 [pid 5934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5938] <... memfd_create resumed>) = 3 [pid 5936] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5936] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5937] 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"..., 524288 [pid 5936] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5934] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5936] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5935] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5934] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5936] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5935] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5939 attached [pid 5935] ioctl(4, LOOP_SET_FD, 3 [pid 5939] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053) = 0 [pid 5938] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5936] <... clone3 resumed> => {parent_tid=[5939]}, 88) = 5939 [pid 5935] <... ioctl resumed>) = 0 [pid 5934] <... mprotect resumed>) = 0 [pid 5939] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5936] rt_sigprocmask(SIG_SETMASK, [], [pid 5935] close(3 [pid 5934] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5939] <... set_robust_list resumed>) = 0 [pid 5936] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5935] <... close resumed>) = 0 [pid 5934] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5939] rt_sigprocmask(SIG_SETMASK, [], [pid 5936] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5934] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5938] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5936] <... futex resumed>) = 0 [pid 5935] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5940 attached [pid 5939] memfd_create("syzkaller", 0 [pid 5936] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5934] <... clone3 resumed> => {parent_tid=[5940]}, 88) = 5940 [pid 5940] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5934] rt_sigprocmask(SIG_SETMASK, [], [pid 5939] <... memfd_create resumed>) = 3 [pid 5935] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5940] <... rseq resumed>) = 0 [pid 5939] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5934] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5934] <... futex resumed>) = 0 [pid 5940] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 5934] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5940] memfd_create("syzkaller", 0) = 3 [pid 5938] 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"..., 524288 [pid 5929] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5940] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 159.335964][ T5935] loop4: detected capacity change from 0 to 1024 [pid 5939] 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"..., 524288 [pid 5940] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5937] <... write resumed>) = 524288 [pid 5935] <... mount resumed>) = 0 [pid 5935] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5930] <... sync resumed>) = 0 [pid 5940] 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"..., 524288 [pid 5930] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5930] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5935] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5935] ioctl(4, LOOP_CLR_FD) = 0 [pid 5935] close(4) = 0 [pid 5935] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5931] <... futex resumed>) = 0 [pid 5939] <... write resumed>) = 524288 [pid 5935] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5931] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5931] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5935] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 5929] exit_group(0 [pid 5935] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... futex resumed>) = 0 [pid 5931] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5931] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5930] <... futex resumed>) = ? [pid 5929] <... exit_group resumed>) = ? [pid 5930] +++ exited with 0 +++ [pid 5935] <... futex resumed>) = 1 [pid 5935] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5939] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 5937] munmap(0x7fdb7f81d000, 138412032 [pid 5929] +++ exited with 0 +++ [pid 5939] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5929, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5939] <... openat resumed>) = 4 [pid 5937] <... munmap resumed>) = 0 [pid 5939] ioctl(4, LOOP_SET_FD, 3 [pid 5938] <... write resumed>) = 524288 [pid 5065] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5065] newfstatat(3, "", [pid 5937] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(3, [pid 5937] <... openat resumed>) = 4 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5938] munmap(0x7fdb7f81d000, 138412032 [pid 5935] <... open resumed>) = 4 [pid 5065] umount2("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5935] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5935] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5931] <... futex resumed>) = 0 [pid 5931] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... futex resumed>) = 0 [pid 5931] <... futex resumed>) = 1 [pid 5935] sync( [pid 5931] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] <... munmap resumed>) = 0 [pid 5940] <... write resumed>) = 524288 [pid 5938] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5937] ioctl(4, LOOP_SET_FD, 3 [pid 5939] <... ioctl resumed>) = 0 [pid 5938] <... openat resumed>) = 4 [pid 5939] close(3) = 0 [pid 5939] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5940] munmap(0x7fdb7f81d000, 138412032 [pid 5939] <... mkdir resumed>) = 0 [pid 5938] ioctl(4, LOOP_SET_FD, 3 [pid 5937] <... ioctl resumed>) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5065] umount2("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5939] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5065] newfstatat(AT_FDCWD, "./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5938] <... ioctl resumed>) = 0 [pid 5065] umount2("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5940] <... munmap resumed>) = 0 [pid 5937] close(3 [pid 5940] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5937] <... close resumed>) = 0 [pid 5937] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5940] <... openat resumed>) = 4 [ 159.424519][ T5939] loop0: detected capacity change from 0 to 1024 [ 159.457200][ T5937] loop5: detected capacity change from 0 to 1024 [ 159.466952][ T5938] loop2: detected capacity change from 0 to 1024 [pid 5940] ioctl(4, LOOP_SET_FD, 3 [pid 5939] <... mount resumed>) = 0 [pid 5937] <... mkdir resumed>) = 0 [pid 5939] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5939] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5935] <... sync resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5939] <... chdir resumed>) = 0 [pid 5935] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] ioctl(4, LOOP_CLR_FD [pid 5935] <... futex resumed>) = 1 [pid 5931] <... futex resumed>) = 0 [pid 5939] <... ioctl resumed>) = 0 [pid 5935] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5931] exit_group(0 [pid 5065] openat(AT_FDCWD, "./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5939] close(4 [pid 5935] <... futex resumed>) = ? [pid 5931] <... exit_group resumed>) = ? [pid 5939] <... close resumed>) = 0 [pid 5935] +++ exited with 0 +++ [pid 5931] +++ exited with 0 +++ [pid 5065] <... openat resumed>) = 4 [pid 5939] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(4, "", [pid 5939] <... futex resumed>) = 1 [pid 5936] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5931, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5939] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5936] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5936] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5939] <... mknod resumed>) = 0 [pid 5937] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5936] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] getdents64(4, [pid 5068] <... openat resumed>) = 3 [pid 5068] newfstatat(3, "", [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5939] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] close(3 [pid 5937] <... mount resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(4, [pid 5939] <... futex resumed>) = 1 [pid 5938] <... close resumed>) = 0 [pid 5937] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5936] <... futex resumed>) = 0 [pid 5068] getdents64(3, [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5939] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5937] <... openat resumed>) = 3 [pid 5936] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] close(4 [pid 5940] <... ioctl resumed>) = 0 [pid 5939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5938] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5937] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5936] <... futex resumed>) = 0 [pid 5068] umount2("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5936] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5938] <... mkdir resumed>) = 0 [pid 5937] <... chdir resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5940] close(3 [pid 5938] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5937] ioctl(4, LOOP_CLR_FD [pid 5065] rmdir("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5940] <... close resumed>) = 0 [pid 5937] <... ioctl resumed>) = 0 [pid 5940] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5937] close(4 [pid 5065] <... rmdir resumed>) = 0 [pid 5937] <... close resumed>) = 0 [pid 5937] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... mkdir resumed>) = 0 [pid 5937] <... futex resumed>) = 1 [pid 5932] <... futex resumed>) = 0 [pid 5937] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5932] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5938] <... mount resumed>) = 0 [pid 5937] <... mknod resumed>) = 0 [pid 5932] <... futex resumed>) = 0 [ 159.492696][ T5940] loop3: detected capacity change from 0 to 1024 [pid 5932] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5938] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5937] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = 0 [pid 5065] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5937] <... futex resumed>) = 1 [pid 5938] <... openat resumed>) = 3 [pid 5932] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5938] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5937] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5932] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(AT_FDCWD, "./69/binderfs", [pid 5938] <... chdir resumed>) = 0 [pid 5932] <... futex resumed>) = 0 [pid 5938] ioctl(4, LOOP_CLR_FD [pid 5932] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5939] <... open resumed>) = 4 [pid 5938] <... ioctl resumed>) = 0 [pid 5065] unlink("./69/binderfs" [pid 5938] close(4 [pid 5065] <... unlink resumed>) = 0 [pid 5938] <... close resumed>) = 0 [pid 5065] getdents64(3, [pid 5939] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5939] <... futex resumed>) = 1 [pid 5938] <... futex resumed>) = 1 [pid 5936] <... futex resumed>) = 0 [pid 5933] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5939] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5938] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5936] <... futex resumed>) = 0 [pid 5933] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(AT_FDCWD, "./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] close(3 [pid 5939] sync( [pid 5938] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5936] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5933] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5940] <... mount resumed>) = 0 [pid 5937] <... open resumed>) = 4 [pid 5065] <... close resumed>) = 0 [pid 5068] umount2("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5938] <... mknod resumed>) = 0 [pid 5937] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5937] <... futex resumed>) = 1 [pid 5932] <... futex resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5932] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 4 [pid 5932] <... futex resumed>) = 0 [pid 5068] newfstatat(4, "", [pid 5937] sync( [pid 5932] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, [pid 5065] rmdir("./69" [pid 5933] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [pid 5068] rmdir("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5940] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5938] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5940] <... openat resumed>) = 3 [pid 5938] <... futex resumed>) = 1 [pid 5933] <... futex resumed>) = 0 [pid 5065] mkdir("./70", 0777 [pid 5933] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5940] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5933] <... futex resumed>) = 0 [pid 5065] <... mkdir resumed>) = 0 [pid 5940] <... chdir resumed>) = 0 [pid 5933] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] unlink("./70/binderfs" [pid 5940] ioctl(4, LOOP_CLR_FD [pid 5068] <... unlink resumed>) = 0 [pid 5068] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5940] <... ioctl resumed>) = 0 [pid 5940] close(4 [pid 5068] close(3) = 0 [pid 5068] rmdir("./70" [pid 5940] <... close resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5068] <... rmdir resumed>) = 0 [pid 5068] mkdir("./71", 0777) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5940] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5936] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5940] <... futex resumed>) = 1 [pid 5934] <... futex resumed>) = 0 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5940] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5938] <... open resumed>) = 4 [pid 5934] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] close(3 [pid 5934] <... futex resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5939] <... sync resumed>) = 0 [pid 5937] <... sync resumed>) = 0 [pid 5934] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... ioctl resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5940] <... mknod resumed>) = 0 [pid 5939] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] exit_group(0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5938] <... futex resumed>) = 1 [pid 5933] <... futex resumed>) = 0 [pid 5937] <... futex resumed>) = 0 [pid 5936] <... exit_group resumed>) = ? [pid 5932] exit_group(0 [pid 5939] <... futex resumed>) = ? [pid 5933] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... exit_group resumed>) = ? [pid 5933] <... futex resumed>) = 0 [pid 5939] +++ exited with 0 +++ [pid 5938] sync( [pid 5936] +++ exited with 0 +++ [pid 5933] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5937] +++ exited with 0 +++ [pid 5934] <... futex resumed>) = 0 [pid 5932] +++ exited with 0 +++ [pid 5068] close(3 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5941 [pid 5934] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 5940] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5934] <... futex resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5932, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5936, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- ./strace-static-x86_64: Process 5941 attached [pid 5934] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5941] set_robust_list(0x5555556c56a0, 24 [pid 5064] restart_syscall(<... resuming interrupted clone ...> [pid 5941] <... set_robust_list resumed>) = 0 [pid 5064] <... restart_syscall resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5942 [pid 5941] chdir("./70"./strace-static-x86_64: Process 5942 attached ) = 0 [pid 5069] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5940] <... open resumed>) = 4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5941] <... prctl resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5942] set_robust_list(0x5555556c56a0, 24 [pid 5941] setpgid(0, 0 [pid 5069] <... openat resumed>) = 3 [pid 5064] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5941] <... setpgid resumed>) = 0 [pid 5942] <... set_robust_list resumed>) = 0 [pid 5942] chdir("./71" [pid 5064] <... openat resumed>) = 3 [pid 5942] <... chdir resumed>) = 0 [pid 5941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5064] newfstatat(3, "", [pid 5940] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5941] <... openat resumed>) = 3 [pid 5940] <... futex resumed>) = 1 [pid 5934] <... futex resumed>) = 0 [pid 5069] newfstatat(3, "", [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5942] <... prctl resumed>) = 0 [pid 5934] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5942] setpgid(0, 0 [pid 5940] sync( [pid 5934] <... futex resumed>) = 0 [pid 5064] getdents64(3, [pid 5942] <... setpgid resumed>) = 0 [pid 5941] write(3, "1000", 4 [pid 5934] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] getdents64(3, [pid 5942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5941] <... write resumed>) = 4 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5942] <... openat resumed>) = 3 [pid 5941] close(3 [pid 5933] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] umount2("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5942] write(3, "1000", 4 [pid 5941] <... close resumed>) = 0 [pid 5942] <... write resumed>) = 4 [pid 5069] umount2("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5942] close(3 [pid 5941] symlink("/dev/binderfs", "./binderfs" [pid 5942] <... close resumed>) = 0 [pid 5942] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5941] <... symlink resumed>) = 0 [pid 5942] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... futex resumed>) = 0 [pid 5941] <... futex resumed>) = 0 [pid 5940] <... sync resumed>) = 0 [pid 5938] <... sync resumed>) = 0 [pid 5942] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5941] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5940] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5941] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5940] <... futex resumed>) = 1 [pid 5934] <... futex resumed>) = 0 [pid 5942] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5941] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5940] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5938] <... futex resumed>) = 0 [pid 5934] exit_group(0 [pid 5942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5940] <... futex resumed>) = ? [pid 5938] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5934] <... exit_group resumed>) = ? [pid 5933] exit_group(0 [pid 5064] <... umount2 resumed>) = 0 [pid 5942] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5940] +++ exited with 0 +++ [pid 5938] <... futex resumed>) = ? [pid 5934] +++ exited with 0 +++ [pid 5933] <... exit_group resumed>) = ? [pid 5942] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5941] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5938] +++ exited with 0 +++ [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5934, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5942] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5941] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5933] +++ exited with 0 +++ [pid 5064] umount2("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5942] <... mprotect resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5933, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5941] <... mprotect resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5942] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5941] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] <... restart_syscall resumed>) = 0 [pid 5064] newfstatat(AT_FDCWD, "./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5941] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5942] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5941] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5067] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5943 attached [pid 5942] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5944 attached [pid 5943] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5941] <... clone3 resumed> => {parent_tid=[5943]}, 88) = 5943 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5943] <... rseq resumed>) = 0 [pid 5941] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] openat(AT_FDCWD, "./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5943] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5944] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5943] <... set_robust_list resumed>) = 0 [pid 5942] <... clone3 resumed> => {parent_tid=[5944]}, 88) = 5944 [pid 5941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5066] <... openat resumed>) = 3 [pid 5064] <... openat resumed>) = 4 [pid 5944] <... rseq resumed>) = 0 [pid 5944] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 5944] rt_sigprocmask(SIG_SETMASK, [], [pid 5942] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] newfstatat(3, "", [pid 5944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5943] rt_sigprocmask(SIG_SETMASK, [], [pid 5942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5941] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] newfstatat(3, "", [pid 5064] newfstatat(4, "", [pid 5943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5941] <... futex resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5944] memfd_create("syzkaller", 0 [pid 5942] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] getdents64(3, [pid 5944] <... memfd_create resumed>) = 3 [pid 5943] memfd_create("syzkaller", 0 [pid 5942] <... futex resumed>) = 0 [pid 5941] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] getdents64(3, [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5943] <... memfd_create resumed>) = 3 [pid 5944] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5943] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5942] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] umount2("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5944] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5944] 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"..., 524288 [pid 5943] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] newfstatat(AT_FDCWD, "./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] umount2("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] umount2("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... umount2 resumed>) = 0 [pid 5064] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5066] umount2("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5943] 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"..., 524288 [pid 5064] getdents64(4, [pid 5069] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(4, [pid 5067] umount2("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(AT_FDCWD, "./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] close(4 [pid 5069] getdents64(4, [pid 5067] newfstatat(AT_FDCWD, "./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... close resumed>) = 0 [pid 5066] umount2("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] rmdir("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5064] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] close(4 [pid 5067] umount2("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... rmdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] newfstatat(AT_FDCWD, "./70/binderfs", [pid 5069] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 4 [pid 5066] openat(AT_FDCWD, "./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5944] <... write resumed>) = 524288 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(4, "", [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] unlink("./70/binderfs" [pid 5943] <... write resumed>) = 524288 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... openat resumed>) = 4 [pid 5064] <... unlink resumed>) = 0 [pid 5066] newfstatat(4, "", [pid 5064] getdents64(3, [pid 5069] newfstatat(AT_FDCWD, "./69/binderfs", [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5943] munmap(0x7fdb7f81d000, 138412032 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] getdents64(4, [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] close(3 [pid 5069] unlink("./69/binderfs" [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... close resumed>) = 0 [pid 5943] <... munmap resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5067] getdents64(4, [pid 5066] getdents64(4, [pid 5064] rmdir("./70" [pid 5944] munmap(0x7fdb7f81d000, 138412032 [pid 5069] getdents64(3, [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5944] <... munmap resumed>) = 0 [pid 5943] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] close(4 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... rmdir resumed>) = 0 [pid 5066] getdents64(4, [pid 5064] mkdir("./71", 0777 [pid 5943] <... openat resumed>) = 4 [pid 5944] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5943] ioctl(4, LOOP_SET_FD, 3 [pid 5069] close(3 [pid 5067] <... close resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 5944] <... openat resumed>) = 4 [pid 5069] <... close resumed>) = 0 [pid 5067] rmdir("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5944] ioctl(4, LOOP_SET_FD, 3 [pid 5069] rmdir("./69" [pid 5067] <... rmdir resumed>) = 0 [pid 5943] <... ioctl resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] close(4 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./69/binderfs", [pid 5069] mkdir("./70", 0777 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./69/binderfs") = 0 [pid 5067] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] close(3 [pid 5064] <... openat resumed>) = 3 [pid 5067] <... close resumed>) = 0 [pid 5067] rmdir("./69" [pid 5069] <... mkdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5067] mkdir("./70", 0777 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5067] <... mkdir resumed>) = 0 [pid 5066] rmdir("./69/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5943] close(3 [pid 5069] <... openat resumed>) = 3 [pid 5066] <... rmdir resumed>) = 0 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5943] <... close resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5066] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5943] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] close(3 [pid 5943] <... mkdir resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5944] <... ioctl resumed>) = 0 [pid 5944] close(3) = 0 [pid 5944] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5069] close(3 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 159.917397][ T5943] loop1: detected capacity change from 0 to 1024 [ 159.922068][ T5944] loop4: detected capacity change from 0 to 1024 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5943] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, ""./strace-static-x86_64: Process 5945 attached [pid 5944] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5066] newfstatat(AT_FDCWD, "./69/binderfs", [pid 5945] set_robust_list(0x5555556c56a0, 24 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5945 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5946 attached [pid 5945] <... set_robust_list resumed>) = 0 [pid 5943] <... mount resumed>) = 0 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] unlink("./69/binderfs" [pid 5943] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5946 [pid 5067] close(3 [pid 5946] set_robust_list(0x5555556c56a0, 24 [pid 5945] chdir("./71" [pid 5943] <... openat resumed>) = 3 [pid 5067] <... close resumed>) = 0 [pid 5066] <... unlink resumed>) = 0 [pid 5946] <... set_robust_list resumed>) = 0 [pid 5945] <... chdir resumed>) = 0 [pid 5943] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] getdents64(3, [pid 5945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5943] <... chdir resumed>) = 0 [pid 5945] <... prctl resumed>) = 0 [pid 5944] <... mount resumed>) = 0 [pid 5945] setpgid(0, 0 [pid 5944] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5945] <... setpgid resumed>) = 0 [pid 5944] <... openat resumed>) = 3 [pid 5943] ioctl(4, LOOP_CLR_FD [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5946] chdir("./70" [pid 5945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5944] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5943] <... ioctl resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 5947 [pid 5066] close(3./strace-static-x86_64: Process 5947 attached [pid 5946] <... chdir resumed>) = 0 [pid 5945] <... openat resumed>) = 3 [pid 5944] <... chdir resumed>) = 0 [pid 5943] close(4 [pid 5946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] <... close resumed>) = 0 [pid 5946] <... prctl resumed>) = 0 [pid 5943] <... close resumed>) = 0 [pid 5066] rmdir("./69" [pid 5946] setpgid(0, 0 [pid 5947] set_robust_list(0x5555556c56a0, 24 [pid 5945] write(3, "1000", 4 [pid 5944] ioctl(4, LOOP_CLR_FD [pid 5947] <... set_robust_list resumed>) = 0 [pid 5945] <... write resumed>) = 4 [pid 5943] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... rmdir resumed>) = 0 [pid 5947] chdir("./70" [pid 5946] <... setpgid resumed>) = 0 [pid 5945] close(3 [pid 5944] <... ioctl resumed>) = 0 [pid 5943] <... futex resumed>) = 1 [pid 5941] <... futex resumed>) = 0 [pid 5947] <... chdir resumed>) = 0 [pid 5946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5945] <... close resumed>) = 0 [pid 5944] close(4 [pid 5941] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] mkdir("./70", 0777 [pid 5941] <... futex resumed>) = 0 [pid 5947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5946] <... openat resumed>) = 3 [pid 5945] symlink("/dev/binderfs", "./binderfs" [pid 5944] <... close resumed>) = 0 [pid 5943] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5941] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... mkdir resumed>) = 0 [pid 5947] <... prctl resumed>) = 0 [pid 5945] <... symlink resumed>) = 0 [pid 5944] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] setpgid(0, 0 [pid 5945] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... futex resumed>) = 1 [pid 5942] <... futex resumed>) = 0 [pid 5946] write(3, "1000", 4 [pid 5943] <... mknod resumed>) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5946] <... write resumed>) = 4 [pid 5942] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... openat resumed>) = 3 [pid 5946] close(3 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5946] <... close resumed>) = 0 [pid 5947] <... setpgid resumed>) = 0 [pid 5946] symlink("/dev/binderfs", "./binderfs" [pid 5945] <... futex resumed>) = 0 [pid 5944] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5943] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... futex resumed>) = 0 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5943] <... futex resumed>) = 1 [pid 5947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5946] <... symlink resumed>) = 0 [pid 5945] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5944] <... mknod resumed>) = 0 [pid 5943] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5942] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5941] <... futex resumed>) = 0 [pid 5066] close(3 [pid 5941] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5066] <... close resumed>) = 0 [pid 5943] <... futex resumed>) = 0 [pid 5943] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5941] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5947] <... openat resumed>) = 3 [pid 5945] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5944] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] write(3, "1000", 4 [pid 5945] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5944] <... futex resumed>) = 1 [pid 5942] <... futex resumed>) = 0 [pid 5947] <... write resumed>) = 4 [pid 5945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5944] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5942] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] close(3 [pid 5945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5942] <... futex resumed>) = 0 [pid 5947] <... close resumed>) = 0 [pid 5945] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5944] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5942] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5948 attached [pid 5947] symlink("/dev/binderfs", "./binderfs" [pid 5945] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5948] set_robust_list(0x5555556c56a0, 24 [pid 5947] <... symlink resumed>) = 0 [pid 5946] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... mprotect resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5948 [pid 5948] <... set_robust_list resumed>) = 0 [pid 5947] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... open resumed>) = 4 [pid 5943] <... open resumed>) = 4 [pid 5948] chdir("./70" [pid 5947] <... futex resumed>) = 0 [pid 5945] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5944] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... chdir resumed>) = 0 [pid 5947] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5946] <... futex resumed>) = 0 [pid 5945] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5944] <... futex resumed>) = 1 [pid 5943] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5942] <... futex resumed>) = 0 [pid 5948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5947] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5946] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5944] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] <... futex resumed>) = 1 [pid 5942] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5949 attached [pid 5948] <... prctl resumed>) = 0 [pid 5947] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5946] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5942] <... futex resumed>) = 0 [pid 5941] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5948] setpgid(0, 0 [pid 5947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5946] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5945] <... clone3 resumed> => {parent_tid=[5949]}, 88) = 5949 [pid 5944] sync( [pid 5943] sync( [pid 5942] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5941] <... futex resumed>) = 0 [pid 5949] <... rseq resumed>) = 0 [pid 5948] <... setpgid resumed>) = 0 [pid 5947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5945] rt_sigprocmask(SIG_SETMASK, [], [pid 5941] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5949] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5947] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5949] <... set_robust_list resumed>) = 0 [pid 5947] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5945] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] <... mprotect resumed>) = 0 [pid 5946] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5945] <... futex resumed>) = 0 [pid 5948] <... openat resumed>) = 3 [pid 5949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5948] write(3, "1000", 4 [pid 5947] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5946] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5945] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5949] memfd_create("syzkaller", 0 [pid 5948] <... write resumed>) = 4 [pid 5947] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5946] <... mprotect resumed>) = 0 [pid 5949] <... memfd_create resumed>) = 3 [pid 5948] close(3 [pid 5947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5946] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5950 attached [pid 5949] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5948] <... close resumed>) = 0 [pid 5946] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5950] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5949] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5948] symlink("/dev/binderfs", "./binderfs" [pid 5947] <... clone3 resumed> => {parent_tid=[5950]}, 88) = 5950 [pid 5946] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5950] <... rseq resumed>) = 0 [pid 5947] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5947] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5947] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5950] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5948] <... symlink resumed>) = 0 [pid 5950] <... set_robust_list resumed>) = 0 [pid 5950] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5951 attached [pid 5950] memfd_create("syzkaller", 0 [pid 5948] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5950] <... memfd_create resumed>) = 3 [pid 5948] <... futex resumed>) = 0 [pid 5946] <... clone3 resumed> => {parent_tid=[5951]}, 88) = 5951 [pid 5951] <... rseq resumed>) = 0 [pid 5949] 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"..., 524288 [pid 5948] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5946] rt_sigprocmask(SIG_SETMASK, [], [pid 5951] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5950] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5948] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5944] <... sync resumed>) = 0 [pid 5943] <... sync resumed>) = 0 [pid 5951] <... set_robust_list resumed>) = 0 [pid 5951] rt_sigprocmask(SIG_SETMASK, [], [pid 5948] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5946] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5950] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5946] <... futex resumed>) = 0 [pid 5944] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] 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"..., 524288 [pid 5944] <... futex resumed>) = 1 [pid 5943] <... futex resumed>) = 1 [pid 5942] <... futex resumed>) = 0 [pid 5951] memfd_create("syzkaller", 0 [pid 5948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5946] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5944] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5942] exit_group(0 [pid 5941] <... futex resumed>) = 0 [pid 5948] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5941] exit_group(0 [pid 5948] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5951] <... memfd_create resumed>) = 3 [pid 5948] <... mprotect resumed>) = 0 [pid 5944] <... futex resumed>) = ? [pid 5943] <... futex resumed>) = ? [pid 5942] <... exit_group resumed>) = ? [pid 5941] <... exit_group resumed>) = ? [pid 5951] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5948] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5944] +++ exited with 0 +++ [pid 5943] +++ exited with 0 +++ [pid 5942] +++ exited with 0 +++ [pid 5951] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5949] <... write resumed>) = 524288 [pid 5948] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5941] +++ exited with 0 +++ [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5941, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5948] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5942, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5065] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5952 attached [pid 5948] <... clone3 resumed> => {parent_tid=[5952]}, 88) = 5952 [pid 5952] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5948] rt_sigprocmask(SIG_SETMASK, [], [pid 5952] <... rseq resumed>) = 0 [pid 5948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5948] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5952] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5952] <... set_robust_list resumed>) = 0 [pid 5952] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5948] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] newfstatat(3, "", [pid 5065] <... openat resumed>) = 3 [pid 5952] memfd_create("syzkaller", 0 [pid 5950] <... write resumed>) = 524288 [pid 5949] munmap(0x7fdb7f81d000, 138412032 [pid 5948] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5952] <... memfd_create resumed>) = 3 [pid 5951] 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"..., 524288 [pid 5949] <... munmap resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] newfstatat(3, "", [pid 5952] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5949] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5068] getdents64(3, [pid 5952] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5950] munmap(0x7fdb7f81d000, 138412032 [pid 5949] <... openat resumed>) = 4 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5950] <... munmap resumed>) = 0 [pid 5949] ioctl(4, LOOP_SET_FD, 3 [pid 5068] umount2("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] getdents64(3, [pid 5952] 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"..., 524288 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5950] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5951] <... write resumed>) = 524288 [pid 5950] <... openat resumed>) = 4 [pid 5065] umount2("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5950] ioctl(4, LOOP_SET_FD, 3 [pid 5949] <... ioctl resumed>) = 0 [pid 5949] close(3) = 0 [pid 5949] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5949] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5068] <... umount2 resumed>) = 0 [pid 5952] <... write resumed>) = 524288 [pid 5951] munmap(0x7fdb7f81d000, 138412032 [pid 5068] umount2("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = 0 [ 160.205584][ T5949] loop0: detected capacity change from 0 to 1024 [ 160.227632][ T5950] loop3: detected capacity change from 0 to 1024 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5951] <... munmap resumed>) = 0 [pid 5950] <... ioctl resumed>) = 0 [pid 5949] <... mount resumed>) = 0 [pid 5065] umount2("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5951] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5950] close(3 [pid 5949] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] newfstatat(AT_FDCWD, "./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5952] munmap(0x7fdb7f81d000, 138412032 [pid 5951] <... openat resumed>) = 4 [pid 5950] <... close resumed>) = 0 [pid 5949] <... openat resumed>) = 3 [pid 5952] <... munmap resumed>) = 0 [pid 5951] ioctl(4, LOOP_SET_FD, 3 [pid 5950] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] newfstatat(AT_FDCWD, "./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5950] <... mkdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5949] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5950] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5949] ioctl(4, LOOP_CLR_FD) = 0 [pid 5949] close(4) = 0 [pid 5949] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5949] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] <... futex resumed>) = 0 [pid 5945] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... futex resumed>) = 0 [pid 5945] <... futex resumed>) = 1 [pid 5949] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5945] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5949] <... mknod resumed>) = 0 [pid 5949] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5945] <... futex resumed>) = 0 [pid 5945] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5945] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5952] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] umount2("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5949] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5952] <... openat resumed>) = 4 [pid 5068] openat(AT_FDCWD, "./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] openat(AT_FDCWD, "./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5952] ioctl(4, LOOP_SET_FD, 3 [pid 5951] <... ioctl resumed>) = 0 [pid 5950] <... mount resumed>) = 0 [pid 5065] <... openat resumed>) = 4 [pid 5951] close(3 [pid 5950] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] <... openat resumed>) = 4 [pid 5065] newfstatat(4, "", [pid 5951] <... close resumed>) = 0 [pid 5950] <... openat resumed>) = 3 [pid 5068] newfstatat(4, "", [pid 5952] <... ioctl resumed>) = 0 [pid 5951] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5949] <... open resumed>) = 4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5950] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5949] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5952] close(3 [pid 5951] <... mkdir resumed>) = 0 [pid 5950] <... chdir resumed>) = 0 [pid 5949] <... futex resumed>) = 1 [pid 5945] <... futex resumed>) = 0 [pid 5065] getdents64(4, [pid 5952] <... close resumed>) = 0 [pid 5951] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5950] ioctl(4, LOOP_CLR_FD [pid 5068] getdents64(4, [pid 5952] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5945] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5065] getdents64(4, [pid 5945] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5952] <... mkdir resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5952] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5950] <... ioctl resumed>) = 0 [pid 5065] close(4 [pid 5950] close(4 [pid 5949] sync( [pid 5950] <... close resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] <... close resumed>) = 0 [pid 5065] rmdir("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5950] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... rmdir resumed>) = 0 [pid 5065] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5950] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5950] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5947] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 5950] <... mknod resumed>) = 0 [pid 5947] <... futex resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./70/binderfs", [pid 5947] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5950] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] unlink("./70/binderfs" [pid 5950] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5950] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5947] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 160.308647][ T5951] loop5: detected capacity change from 0 to 1024 [ 160.331959][ T5952] loop2: detected capacity change from 0 to 1024 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] <... unlink resumed>) = 0 [pid 5947] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5952] <... mount resumed>) = 0 [pid 5951] <... mount resumed>) = 0 [pid 5950] <... open resumed>) = 4 [pid 5068] close(4 [pid 5952] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5951] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5065] getdents64(3, [pid 5068] <... close resumed>) = 0 [pid 5952] <... openat resumed>) = 3 [pid 5951] <... openat resumed>) = 3 [pid 5068] rmdir("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5950] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5950] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] <... futex resumed>) = 0 [pid 5947] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] close(3 [pid 5068] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... close resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./71/binderfs", [pid 5065] rmdir("./70" [pid 5951] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5950] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = 1 [pid 5950] sync( [pid 5947] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... rmdir resumed>) = 0 [pid 5951] <... chdir resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] unlink("./71/binderfs" [pid 5951] ioctl(4, LOOP_CLR_FD) = 0 [pid 5952] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5951] close(4 [pid 5068] <... unlink resumed>) = 0 [pid 5065] mkdir("./71", 0777 [pid 5951] <... close resumed>) = 0 [pid 5952] <... chdir resumed>) = 0 [pid 5951] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] getdents64(3, [pid 5065] <... mkdir resumed>) = 0 [pid 5952] ioctl(4, LOOP_CLR_FD [pid 5951] <... futex resumed>) = 1 [pid 5946] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5952] <... ioctl resumed>) = 0 [pid 5951] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5946] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] close(3 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5952] close(4) = 0 [pid 5951] <... mknod resumed>) = 0 [pid 5946] <... futex resumed>) = 0 [pid 5952] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... close resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5952] <... futex resumed>) = 1 [pid 5951] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... futex resumed>) = 0 [pid 5952] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] <... futex resumed>) = 1 [pid 5948] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... futex resumed>) = 0 [pid 5068] rmdir("./71" [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5951] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5948] <... futex resumed>) = 0 [pid 5946] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5948] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5946] <... futex resumed>) = 0 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] <... mknod resumed>) = 0 [pid 5951] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5946] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... rmdir resumed>) = 0 [pid 5065] close(3) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] mkdir("./72", 0777) = 0 [pid 5952] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5948] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5953 attached [pid 5952] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5948] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5953 [pid 5953] set_robust_list(0x5555556c56a0, 24 [pid 5948] <... futex resumed>) = 0 [pid 5948] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] <... set_robust_list resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5953] chdir("./71" [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5953] <... chdir resumed>) = 0 [pid 5953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5953] <... prctl resumed>) = 0 [pid 5951] <... open resumed>) = 4 [pid 5953] setpgid(0, 0) = 0 [pid 5953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5951] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] close(3 [pid 5953] <... openat resumed>) = 3 [pid 5953] write(3, "1000", 4 [pid 5951] <... futex resumed>) = 1 [pid 5946] <... futex resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5953] <... write resumed>) = 4 [pid 5952] <... open resumed>) = 4 [pid 5951] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5946] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] close(3 [pid 5952] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5946] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5952] <... futex resumed>) = 1 [pid 5951] sync( [pid 5948] <... futex resumed>) = 0 [pid 5946] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] <... close resumed>) = 0 [pid 5952] sync( [pid 5950] <... sync resumed>) = 0 [pid 5948] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... sync resumed>) = 0 [pid 5953] symlink("/dev/binderfs", "./binderfs" [pid 5950] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... futex resumed>) = 0 [pid 5945] exit_group(0./strace-static-x86_64: Process 5954 attached [pid 5953] <... symlink resumed>) = 0 [pid 5950] <... futex resumed>) = 0 [pid 5949] <... futex resumed>) = 0 [pid 5948] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] set_robust_list(0x5555556c56a0, 24 [pid 5950] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] +++ exited with 0 +++ [pid 5947] exit_group(0 [pid 5945] <... exit_group resumed>) = ? [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5954 [pid 5954] <... set_robust_list resumed>) = 0 [pid 5953] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... sync resumed>) = 0 [pid 5951] <... sync resumed>) = 0 [pid 5954] chdir("./72" [pid 5953] <... futex resumed>) = 0 [pid 5952] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] <... futex resumed>) = ? [pid 5947] <... exit_group resumed>) = ? [pid 5954] <... chdir resumed>) = 0 [pid 5953] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5952] <... futex resumed>) = 1 [pid 5951] <... futex resumed>) = 1 [pid 5950] +++ exited with 0 +++ [pid 5948] <... futex resumed>) = 0 [pid 5947] +++ exited with 0 +++ [pid 5946] <... futex resumed>) = 0 [pid 5954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5953] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5952] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5951] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5948] exit_group(0 [pid 5946] exit_group(0 [pid 5945] +++ exited with 0 +++ [pid 5954] <... prctl resumed>) = 0 [pid 5953] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5952] <... futex resumed>) = ? [pid 5951] <... futex resumed>) = ? [pid 5948] <... exit_group resumed>) = ? [pid 5946] <... exit_group resumed>) = ? [pid 5954] setpgid(0, 0 [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5952] +++ exited with 0 +++ [pid 5951] +++ exited with 0 +++ [pid 5948] +++ exited with 0 +++ [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5947, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5945, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5953] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5064] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5954] <... setpgid resumed>) = 0 [pid 5953] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5946] +++ exited with 0 +++ [pid 5067] <... restart_syscall resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5948, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5953] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5946, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5064] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5954] <... openat resumed>) = 3 [pid 5953] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 5955 attached [pid 5954] write(3, "1000", 4 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5955] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5953] <... clone3 resumed> => {parent_tid=[5955]}, 88) = 5955 [pid 5069] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5955] <... rseq resumed>) = 0 [pid 5953] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5955] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5955] <... set_robust_list resumed>) = 0 [pid 5953] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... openat resumed>) = 3 [pid 5955] rt_sigprocmask(SIG_SETMASK, [], [pid 5953] <... futex resumed>) = 0 [pid 5069] newfstatat(3, "", [pid 5955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5954] <... write resumed>) = 4 [pid 5953] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] newfstatat(3, "", [pid 5955] memfd_create("syzkaller", 0 [pid 5069] getdents64(3, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5955] <... memfd_create resumed>) = 3 [pid 5954] close(3 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5955] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5954] <... close resumed>) = 0 [pid 5069] umount2("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5955] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5954] symlink("/dev/binderfs", "./binderfs" [pid 5067] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] getdents64(3, [pid 5954] <... symlink resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] newfstatat(3, "", [pid 5066] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... umount2 resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5954] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] umount2("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5954] <... futex resumed>) = 0 [pid 5067] getdents64(3, [pid 5066] newfstatat(3, "", [pid 5955] 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"..., 524288 [pid 5954] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5954] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] umount2("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5954] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5066] getdents64(3, [pid 5954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] umount2("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 5069] umount2("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5954] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5069] newfstatat(AT_FDCWD, "./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5954] <... mprotect resumed>) = 0 [pid 5954] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] umount2("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5955] <... write resumed>) = 524288 [pid 5069] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 5954] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5954] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5955] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 5069] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5066] <... umount2 resumed>) = 0 [pid 5955] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] newfstatat(AT_FDCWD, "./70/binderfs", [pid 5955] <... openat resumed>) = 4 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5956 attached [pid 5955] ioctl(4, LOOP_SET_FD, 3 [pid 5954] <... clone3 resumed> => {parent_tid=[5956]}, 88) = 5956 [pid 5069] unlink("./70/binderfs" [pid 5956] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5955] <... ioctl resumed>) = 0 [pid 5954] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... unlink resumed>) = 0 [pid 5066] umount2("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5956] <... rseq resumed>) = 0 [pid 5954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5956] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5954] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] <... set_robust_list resumed>) = 0 [pid 5954] <... futex resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5956] rt_sigprocmask(SIG_SETMASK, [], [pid 5954] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5066] newfstatat(AT_FDCWD, "./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5956] memfd_create("syzkaller", 0 [pid 5069] getdents64(3, [pid 5956] <... memfd_create resumed>) = 3 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5956] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 5069] close(3 [pid 5067] umount2("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] umount2("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... umount2 resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5064] umount2("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] rmdir("./70" [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... rmdir resumed>) = 0 [pid 5064] newfstatat(AT_FDCWD, "./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5956] 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"..., 524288 [pid 5069] mkdir("./71", 0777 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] umount2("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] newfstatat(AT_FDCWD, "./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] openat(AT_FDCWD, "./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... mkdir resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] <... openat resumed>) = 4 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5066] newfstatat(4, "", [pid 5064] openat(AT_FDCWD, "./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5955] close(3 [pid 5067] umount2("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] newfstatat(4, "", [pid 5066] getdents64(4, [pid 5955] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] openat(AT_FDCWD, "./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] getdents64(4, [pid 5955] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] getdents64(4, [pid 5955] <... mkdir resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5066] close(4 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5955] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] <... openat resumed>) = 3 [pid 5066] <... close resumed>) = 0 [pid 5064] getdents64(4, [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [ 160.627198][ T5955] loop1: detected capacity change from 0 to 1024 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] rmdir("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] close(4 [pid 5069] close(3) = 0 [pid 5064] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... rmdir resumed>) = 0 [pid 5064] rmdir("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5067] newfstatat(4, "", [pid 5066] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5957 attached [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5957 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5957] set_robust_list(0x5555556c56a0, 24 [pid 5064] newfstatat(AT_FDCWD, "./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] unlink("./71/binderfs") = 0 [pid 5064] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5957] <... set_robust_list resumed>) = 0 [pid 5064] close(3 [pid 5957] chdir("./71" [pid 5064] <... close resumed>) = 0 [pid 5064] rmdir("./71" [pid 5957] <... chdir resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5064] mkdir("./72", 0777 [pid 5957] <... prctl resumed>) = 0 [pid 5956] <... write resumed>) = 524288 [pid 5064] <... mkdir resumed>) = 0 [pid 5957] setpgid(0, 0) = 0 [pid 5067] getdents64(4, [pid 5066] newfstatat(AT_FDCWD, "./70/binderfs", [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5955] <... mount resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5957] <... openat resumed>) = 3 [pid 5955] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5955] <... openat resumed>) = 3 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5957] write(3, "1000", 4 [pid 5955] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] close(3 [pid 5957] <... write resumed>) = 4 [pid 5955] <... chdir resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5957] close(3) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5957] symlink("/dev/binderfs", "./binderfs" [pid 5956] munmap(0x7fdb7f81d000, 138412032 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] unlink("./70/binderfs" [pid 5957] <... symlink resumed>) = 0 [pid 5957] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] ioctl(4, LOOP_CLR_FD [pid 5067] getdents64(4, [pid 5066] <... unlink resumed>) = 0 [pid 5957] <... futex resumed>) = 0 [pid 5956] <... munmap resumed>) = 0 [pid 5955] <... ioctl resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] getdents64(3, ./strace-static-x86_64: Process 5958 attached [pid 5957] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5956] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5955] close(4 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5958 [pid 5958] set_robust_list(0x5555556c56a0, 24 [pid 5957] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5955] <... close resumed>) = 0 [pid 5958] <... set_robust_list resumed>) = 0 [pid 5957] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5956] <... openat resumed>) = 4 [pid 5955] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] close(4 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5958] chdir("./72" [pid 5957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] <... futex resumed>) = 1 [pid 5953] <... futex resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5066] close(3 [pid 5958] <... chdir resumed>) = 0 [pid 5957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5955] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5957] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5956] ioctl(4, LOOP_SET_FD, 3 [pid 5955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5953] <... futex resumed>) = 0 [pid 5067] rmdir("./70/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] <... close resumed>) = 0 [pid 5957] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5958] <... prctl resumed>) = 0 [pid 5957] <... mprotect resumed>) = 0 [pid 5956] <... ioctl resumed>) = 0 [pid 5953] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... rmdir resumed>) = 0 [pid 5066] rmdir("./70" [pid 5958] setpgid(0, 0 [pid 5957] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5955] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5067] umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... rmdir resumed>) = 0 [pid 5958] <... setpgid resumed>) = 0 [pid 5957] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5955] <... mknod resumed>) = 0 [pid 5958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5957] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 5959 attached [pid 5958] <... openat resumed>) = 3 [pid 5955] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] mkdir("./71", 0777 [pid 5957] <... clone3 resumed> => {parent_tid=[5959]}, 88) = 5959 [pid 5955] <... futex resumed>) = 1 [pid 5953] <... futex resumed>) = 0 [pid 5957] rt_sigprocmask(SIG_SETMASK, [], [pid 5953] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5953] <... futex resumed>) = 0 [pid 5957] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] write(3, "1000", 4 [pid 5957] <... futex resumed>) = 0 [pid 5955] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5067] newfstatat(AT_FDCWD, "./70/binderfs", [pid 5066] <... mkdir resumed>) = 0 [pid 5959] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5958] <... write resumed>) = 4 [pid 5957] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5959] <... rseq resumed>) = 0 [pid 5958] close(3 [pid 5956] close(3 [pid 5067] unlink("./70/binderfs" [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5959] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5958] <... close resumed>) = 0 [pid 5959] <... set_robust_list resumed>) = 0 [pid 5958] symlink("/dev/binderfs", "./binderfs" [pid 5066] <... openat resumed>) = 3 [pid 5959] rt_sigprocmask(SIG_SETMASK, [], [pid 5958] <... symlink resumed>) = 0 [pid 5956] <... close resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5958] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5958] <... futex resumed>) = 0 [pid 5958] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5958] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5959] memfd_create("syzkaller", 0 [pid 5958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5956] <... mkdir resumed>) = 0 [pid 5067] getdents64(3, [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5959] <... memfd_create resumed>) = 3 [pid 5958] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5956] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] close(3) = 0 [ 160.768908][ T5956] loop4: detected capacity change from 0 to 1024 [pid 5958] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5955] <... open resumed>) = 4 [pid 5067] close(3 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5958] <... mprotect resumed>) = 0 [pid 5959] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5958] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5955] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5953] <... futex resumed>) = 0 [pid 5953] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] sync( [pid 5953] <... futex resumed>) = 0 [pid 5958] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5953] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5959] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5958] <... clone3 resumed> => {parent_tid=[5960]}, 88) = 5960 [pid 5958] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5958] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5958] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5960 attached [pid 5960] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053) = 0 [pid 5960] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5067] <... close resumed>) = 0 [pid 5960] <... set_robust_list resumed>) = 0 [pid 5960] rt_sigprocmask(SIG_SETMASK, [], [pid 5959] 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"..., 524288 [pid 5067] rmdir("./70" [pid 5960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5960] memfd_create("syzkaller", 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5067] mkdir("./71", 0777 [pid 5960] <... memfd_create resumed>) = 3 [pid 5960] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5956] <... mount resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5960] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5956] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 5961 attached [pid 5960] 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"..., 524288 [pid 5959] <... write resumed>) = 524288 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5961 [pid 5961] set_robust_list(0x5555556c56a0, 24 [pid 5956] <... openat resumed>) = 3 [pid 5961] <... set_robust_list resumed>) = 0 [pid 5961] chdir("./71") = 0 [pid 5067] <... openat resumed>) = 3 [pid 5956] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5956] <... chdir resumed>) = 0 [pid 5961] <... prctl resumed>) = 0 [pid 5956] ioctl(4, LOOP_CLR_FD [pid 5961] setpgid(0, 0 [pid 5956] <... ioctl resumed>) = 0 [pid 5961] <... setpgid resumed>) = 0 [pid 5961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5956] close(4) = 0 [pid 5953] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5961] <... openat resumed>) = 3 [pid 5959] munmap(0x7fdb7f81d000, 138412032 [pid 5956] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] close(3 [pid 5961] write(3, "1000", 4 [pid 5959] <... munmap resumed>) = 0 [pid 5956] <... futex resumed>) = 1 [pid 5954] <... futex resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5954] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5961] <... write resumed>) = 4 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5954] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5961] close(3 [pid 5960] <... write resumed>) = 524288 [pid 5959] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5956] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5955] <... sync resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 5962 [pid 5961] <... close resumed>) = 0 [pid 5955] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5962 attached [pid 5961] symlink("/dev/binderfs", "./binderfs" [pid 5959] <... openat resumed>) = 4 [pid 5956] <... mknod resumed>) = 0 [pid 5955] <... futex resumed>) = 0 [pid 5961] <... symlink resumed>) = 0 [pid 5955] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] exit_group(0 [pid 5959] ioctl(4, LOOP_SET_FD, 3 [pid 5962] set_robust_list(0x5555556c56a0, 24 [pid 5961] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = ? [pid 5953] <... exit_group resumed>) = ? [pid 5955] +++ exited with 0 +++ [pid 5953] +++ exited with 0 +++ [pid 5960] munmap(0x7fdb7f81d000, 138412032 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5953, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5961] <... futex resumed>) = 0 [pid 5962] <... set_robust_list resumed>) = 0 [pid 5961] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5959] <... ioctl resumed>) = 0 [pid 5956] <... futex resumed>) = 1 [pid 5954] <... futex resumed>) = 0 [pid 5962] chdir("./71" [pid 5961] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5959] close(3 [pid 5956] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5954] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... chdir resumed>) = 0 [pid 5961] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5960] <... munmap resumed>) = 0 [pid 5959] <... close resumed>) = 0 [pid 5954] <... futex resumed>) = 0 [pid 5962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5959] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5956] <... open resumed>) = 4 [pid 5954] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5962] <... prctl resumed>) = 0 [pid 5961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5962] setpgid(0, 0 [pid 5961] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5960] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5959] <... mkdir resumed>) = 0 [pid 5956] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5962] <... setpgid resumed>) = 0 [pid 5961] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5065] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5961] <... mprotect resumed>) = 0 [pid 5960] <... openat resumed>) = 4 [pid 5956] <... futex resumed>) = 1 [pid 5954] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5962] <... openat resumed>) = 3 [ 160.928922][ T5959] loop5: detected capacity change from 0 to 1024 [pid 5962] write(3, "1000", 4 [pid 5961] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5960] ioctl(4, LOOP_SET_FD, 3 [pid 5956] sync( [pid 5954] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5962] <... write resumed>) = 4 [pid 5961] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5959] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5954] <... futex resumed>) = 0 [pid 5962] close(3 [pid 5961] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5065] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5963 attached [pid 5962] <... close resumed>) = 0 [pid 5954] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] newfstatat(3, "", [pid 5963] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5962] symlink("/dev/binderfs", "./binderfs" [pid 5961] <... clone3 resumed> => {parent_tid=[5963]}, 88) = 5963 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5963] <... rseq resumed>) = 0 [pid 5962] <... symlink resumed>) = 0 [pid 5961] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] getdents64(3, [pid 5963] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5963] <... set_robust_list resumed>) = 0 [pid 5962] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5963] rt_sigprocmask(SIG_SETMASK, [], [pid 5962] <... futex resumed>) = 0 [pid 5961] <... futex resumed>) = 0 [pid 5959] <... mount resumed>) = 0 [pid 5065] umount2("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5962] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5961] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5959] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5963] memfd_create("syzkaller", 0 [pid 5962] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5960] <... ioctl resumed>) = 0 [pid 5959] <... openat resumed>) = 3 [pid 5962] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5963] <... memfd_create resumed>) = 3 [pid 5962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5959] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 5960] close(3 [pid 5959] <... chdir resumed>) = 0 [pid 5962] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5960] <... close resumed>) = 0 [pid 5959] ioctl(4, LOOP_CLR_FD [pid 5963] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5962] <... mprotect resumed>) = 0 [pid 5960] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5959] <... ioctl resumed>) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5963] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5962] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5960] <... mkdir resumed>) = 0 [pid 5959] close(4 [pid 5065] umount2("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5962] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5960] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5959] <... close resumed>) = 0 [pid 5956] <... sync resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5962] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5959] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(AT_FDCWD, "./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5959] <... futex resumed>) = 1 [pid 5957] <... futex resumed>) = 0 [pid 5956] <... futex resumed>) = 1 [pid 5954] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5964 attached [pid 5959] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5957] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5957] <... futex resumed>) = 0 [pid 5954] exit_group(0 [pid 5065] umount2("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5964] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5957] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5956] <... futex resumed>) = ? [ 160.970762][ T5960] loop0: detected capacity change from 0 to 1024 [pid 5954] <... exit_group resumed>) = ? [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5964] <... rseq resumed>) = 0 [pid 5963] 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"..., 524288 [pid 5962] <... clone3 resumed> => {parent_tid=[5964]}, 88) = 5964 [pid 5960] <... mount resumed>) = 0 [pid 5959] <... mknod resumed>) = 0 [pid 5956] +++ exited with 0 +++ [pid 5954] +++ exited with 0 +++ [pid 5065] openat(AT_FDCWD, "./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5964] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5962] rt_sigprocmask(SIG_SETMASK, [], [pid 5960] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5964] <... set_robust_list resumed>) = 0 [pid 5962] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5960] <... openat resumed>) = 3 [pid 5959] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5954, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5065] <... openat resumed>) = 4 [pid 5964] rt_sigprocmask(SIG_SETMASK, [], [pid 5962] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5959] <... futex resumed>) = 1 [pid 5957] <... futex resumed>) = 0 [pid 5065] newfstatat(4, "", [pid 5964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5963] <... write resumed>) = 524288 [pid 5962] <... futex resumed>) = 0 [pid 5960] <... chdir resumed>) = 0 [pid 5959] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5957] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5964] memfd_create("syzkaller", 0 [pid 5962] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5960] ioctl(4, LOOP_CLR_FD [pid 5959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5957] <... futex resumed>) = 0 [pid 5068] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] getdents64(4, [pid 5963] munmap(0x7fdb7f81d000, 138412032 [pid 5964] <... memfd_create resumed>) = 3 [pid 5960] <... ioctl resumed>) = 0 [pid 5959] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5957] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5960] close(4 [pid 5068] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5963] <... munmap resumed>) = 0 [pid 5960] <... close resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5960] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] newfstatat(3, "", [pid 5964] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5065] getdents64(4, [pid 5963] <... openat resumed>) = 4 [pid 5960] <... futex resumed>) = 1 [pid 5958] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5964] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5963] ioctl(4, LOOP_SET_FD, 3 [pid 5960] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(3, [pid 5065] close(4 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5959] <... open resumed>) = 4 [pid 5958] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5960] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5959] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5960] <... mknod resumed>) = 0 [pid 5959] <... futex resumed>) = 1 [pid 5957] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5957] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] sync( [pid 5957] <... futex resumed>) = 0 [pid 5964] 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"..., 524288 [pid 5957] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] rmdir("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5960] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... rmdir resumed>) = 0 [pid 5963] <... ioctl resumed>) = 0 [pid 5960] <... futex resumed>) = 1 [pid 5958] <... futex resumed>) = 0 [pid 5065] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5963] close(3 [pid 5960] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5958] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... close resumed>) = 0 [pid 5958] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5963] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5958] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] newfstatat(AT_FDCWD, "./71/binderfs", [pid 5963] <... mkdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5964] <... write resumed>) = 524288 [pid 5963] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5065] unlink("./71/binderfs") = 0 [pid 5065] getdents64(3, [pid 5964] munmap(0x7fdb7f81d000, 138412032 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5960] <... open resumed>) = 4 [pid 5065] close(3 [pid 5960] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... munmap resumed>) = 0 [pid 5960] <... futex resumed>) = 1 [pid 5958] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [ 161.064770][ T5963] loop2: detected capacity change from 0 to 1024 [pid 5960] sync( [pid 5958] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = 0 [pid 5964] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5958] <... futex resumed>) = 0 [pid 5065] rmdir("./71" [pid 5964] <... openat resumed>) = 4 [pid 5958] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5964] ioctl(4, LOOP_SET_FD, 3 [pid 5068] umount2("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5963] <... mount resumed>) = 0 [pid 5959] <... sync resumed>) = 0 [pid 5957] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5963] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5959] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] exit_group(0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5963] <... openat resumed>) = 3 [pid 5959] <... futex resumed>) = ? [pid 5957] <... exit_group resumed>) = ? [pid 5963] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5959] +++ exited with 0 +++ [pid 5957] +++ exited with 0 +++ [pid 5068] newfstatat(AT_FDCWD, "./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5963] <... chdir resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5957, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5065] mkdir("./72", 0777 [pid 5963] ioctl(4, LOOP_CLR_FD [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5068] umount2("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5963] <... ioctl resumed>) = 0 [pid 5964] <... ioctl resumed>) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... mkdir resumed>) = 0 [pid 5964] close(3 [pid 5963] close(4 [pid 5068] openat(AT_FDCWD, "./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5964] <... close resumed>) = 0 [pid 5963] <... close resumed>) = 0 [pid 5964] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5963] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 4 [pid 5065] <... openat resumed>) = 3 [pid 5963] <... futex resumed>) = 1 [pid 5961] <... futex resumed>) = 0 [pid 5069] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(4, "", [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5963] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5961] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] getdents64(4, [pid 5963] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5961] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... openat resumed>) = 3 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5964] <... mkdir resumed>) = 0 [pid 5065] close(3 [pid 5069] newfstatat(3, "", [pid 5068] getdents64(4, [pid 5065] <... close resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5958] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] close(4 [pid 5069] getdents64(3, [pid 5068] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] rmdir("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 5965 attached [pid 5963] <... mknod resumed>) = 0 [pid 5069] umount2("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... rmdir resumed>) = 0 [pid 5965] set_robust_list(0x5555556c56a0, 24 [pid 5963] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] <... set_robust_list resumed>) = 0 [pid 5963] <... futex resumed>) = 1 [pid 5965] chdir("./72" [pid 5963] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5965] <... chdir resumed>) = 0 [ 161.130311][ T5964] loop3: detected capacity change from 0 to 1024 [pid 5965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5965] <... prctl resumed>) = 0 [pid 5961] <... futex resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5965 [pid 5965] setpgid(0, 0 [pid 5964] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5961] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... sync resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./72/binderfs", [pid 5960] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5961] <... futex resumed>) = 1 [pid 5960] <... futex resumed>) = 0 [pid 5068] unlink("./72/binderfs" [pid 5963] <... futex resumed>) = 0 [pid 5961] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5960] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] <... setpgid resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5958] exit_group(0 [pid 5965] <... openat resumed>) = 3 [pid 5963] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5960] <... futex resumed>) = ? [pid 5958] <... exit_group resumed>) = ? [pid 5068] getdents64(3, [pid 5960] +++ exited with 0 +++ [pid 5958] +++ exited with 0 +++ [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5965] write(3, "1000", 4 [pid 5068] close(3 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5958, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5965] <... write resumed>) = 4 [pid 5068] <... close resumed>) = 0 [pid 5965] close(3 [pid 5068] rmdir("./72" [pid 5965] <... close resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5965] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5964] <... mount resumed>) = 0 [pid 5963] <... open resumed>) = 4 [pid 5068] mkdir("./73", 0777 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5964] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5064] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5963] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5965] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... futex resumed>) = 1 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5965] <... futex resumed>) = 0 [pid 5964] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5963] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5961] <... futex resumed>) = 0 [pid 5068] close(3 [pid 5064] <... openat resumed>) = 3 [pid 5961] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] <... chdir resumed>) = 0 [pid 5961] <... futex resumed>) = 0 [pid 5965] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5961] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... close resumed>) = 0 [pid 5064] newfstatat(3, "", [pid 5965] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5964] ioctl(4, LOOP_CLR_FD [pid 5963] sync( [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5965] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5964] <... ioctl resumed>) = 0 [pid 5064] getdents64(3, [pid 5965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5964] close(4 [pid 5069] umount2("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5965] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5964] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5966 [pid 5064] umount2("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5965] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5964] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(AT_FDCWD, "./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", ./strace-static-x86_64: Process 5966 attached [pid 5965] <... mprotect resumed>) = 0 [pid 5964] <... futex resumed>) = 1 [pid 5962] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5966] set_robust_list(0x5555556c56a0, 24 [pid 5965] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5964] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5966] <... set_robust_list resumed>) = 0 [pid 5965] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5962] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5966] chdir("./73" [pid 5965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5964] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5962] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] openat(AT_FDCWD, "./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5967 attached [pid 5966] <... chdir resumed>) = 0 [pid 5964] <... mknod resumed>) = 0 [pid 5963] <... sync resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5967] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5965] <... clone3 resumed> => {parent_tid=[5967]}, 88) = 5967 [pid 5069] newfstatat(4, "", [pid 5966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5965] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5967] <... rseq resumed>) = 0 [pid 5966] <... prctl resumed>) = 0 [pid 5965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5963] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] getdents64(4, [pid 5967] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5966] setpgid(0, 0 [pid 5965] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... futex resumed>) = 1 [pid 5961] <... futex resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5967] <... set_robust_list resumed>) = 0 [pid 5961] exit_group(0) = ? [pid 5966] <... setpgid resumed>) = 0 [pid 5965] <... futex resumed>) = 0 [pid 5069] getdents64(4, [pid 5967] rt_sigprocmask(SIG_SETMASK, [], [pid 5966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5965] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5964] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5966] <... openat resumed>) = 3 [pid 5964] <... futex resumed>) = 1 [pid 5962] <... futex resumed>) = 0 [pid 5069] close(4 [pid 5966] write(3, "1000", 4 [pid 5069] <... close resumed>) = 0 [pid 5967] memfd_create("syzkaller", 0 [pid 5966] <... write resumed>) = 4 [pid 5964] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5962] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] rmdir("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... umount2 resumed>) = 0 [pid 5967] <... memfd_create resumed>) = 3 [pid 5966] close(3 [pid 5962] <... futex resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5967] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5962] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] <... close resumed>) = 0 [pid 5967] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5966] symlink("/dev/binderfs", "./binderfs" [pid 5069] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5966] <... symlink resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5966] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] unlink("./71/binderfs" [pid 5966] <... futex resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5064] umount2("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5966] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5069] getdents64(3, [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5967] 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"..., 524288 [pid 5966] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5963] +++ exited with 0 +++ [pid 5961] +++ exited with 0 +++ [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5961, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] close(3 [pid 5064] newfstatat(AT_FDCWD, "./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5069] <... close resumed>) = 0 [pid 5966] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5069] rmdir("./71" [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5966] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5064] umount2("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5966] <... mprotect resumed>) = 0 [pid 5964] <... open resumed>) = 4 [pid 5069] <... rmdir resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5966] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5064] <... openat resumed>) = 4 [pid 5066] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5966] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] mkdir("./72", 0777 [pid 5064] newfstatat(4, "", [pid 5966] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5964] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... mkdir resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 5968 attached [pid 5964] <... futex resumed>) = 1 [pid 5962] <... futex resumed>) = 0 [pid 5962] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... clone3 resumed> => {parent_tid=[5968]}, 88) = 5968 [pid 5962] <... futex resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5962] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5066] <... openat resumed>) = 3 [pid 5064] getdents64(4, [pid 5966] rt_sigprocmask(SIG_SETMASK, [], [pid 5968] <... rseq resumed>) = 0 [pid 5066] newfstatat(3, "", [pid 5968] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5968] <... set_robust_list resumed>) = 0 [pid 5966] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] sync( [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] getdents64(4, [pid 5968] rt_sigprocmask(SIG_SETMASK, [], [pid 5966] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5066] getdents64(3, [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5966] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] close(4 [pid 5968] memfd_create("syzkaller", 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] umount2("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... close resumed>) = 0 [pid 5968] <... memfd_create resumed>) = 3 [pid 5968] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] close(3 [pid 5064] rmdir("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5968] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] <... close resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5967] <... write resumed>) = 524288 [pid 5064] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5968] 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"..., 524288 [pid 5064] unlink("./72/binderfs") = 0 ./strace-static-x86_64: Process 5969 attached [pid 5968] <... write resumed>) = 524288 [pid 5967] munmap(0x7fdb7f81d000, 138412032 [pid 5066] <... umount2 resumed>) = 0 [pid 5969] set_robust_list(0x5555556c56a0, 24 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5969 [pid 5969] <... set_robust_list resumed>) = 0 [pid 5967] <... munmap resumed>) = 0 [pid 5969] chdir("./72" [pid 5064] getdents64(3, [pid 5969] <... chdir resumed>) = 0 [pid 5968] munmap(0x7fdb7f81d000, 138412032 [pid 5967] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5964] <... sync resumed>) = 0 [pid 5962] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5066] umount2("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5967] <... openat resumed>) = 4 [pid 5964] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] close(3 [pid 5969] <... prctl resumed>) = 0 [pid 5968] <... munmap resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... close resumed>) = 0 [pid 5969] setpgid(0, 0 [pid 5967] ioctl(4, LOOP_SET_FD, 3 [pid 5964] <... futex resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5969] <... setpgid resumed>) = 0 [pid 5968] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5964] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5962] exit_group(0 [pid 5064] rmdir("./72" [pid 5969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5968] <... openat resumed>) = 4 [pid 5969] <... openat resumed>) = 3 [pid 5968] ioctl(4, LOOP_SET_FD, 3 [pid 5064] <... rmdir resumed>) = 0 [pid 5968] <... ioctl resumed>) = 0 [pid 5969] write(3, "1000", 4 [pid 5064] mkdir("./73", 0777 [pid 5969] <... write resumed>) = 4 [pid 5968] close(3 [pid 5969] close(3 [pid 5968] <... close resumed>) = 0 [pid 5969] <... close resumed>) = 0 [pid 5968] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5969] symlink("/dev/binderfs", "./binderfs" [pid 5968] <... mkdir resumed>) = 0 [pid 5969] <... symlink resumed>) = 0 [pid 5964] <... futex resumed>) = ? [pid 5962] <... exit_group resumed>) = ? [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 5066] umount2("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5969] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5969] <... futex resumed>) = 0 [pid 5964] +++ exited with 0 +++ [pid 5962] +++ exited with 0 +++ [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5969] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5962, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5066] openat(AT_FDCWD, "./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5969] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5969] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5066] <... openat resumed>) = 4 [pid 5969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 5066] newfstatat(4, "", [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] getdents64(4, [pid 5064] close(3 [pid 5067] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5969] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5067] newfstatat(3, "", [pid 5066] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5969] <... mprotect resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5969] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5967] <... ioctl resumed>) = 0 [pid 5067] getdents64(3, [pid 5066] close(4 [pid 5967] close(3 [pid 5969] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] <... close resumed>) = 0 [pid 5969] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5968] <... mount resumed>) = 0 [pid 5967] <... close resumed>) = 0 [pid 5066] rmdir("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 5971 attached [pid 5968] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 5970 attached [pid 5971] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5969] <... clone3 resumed> => {parent_tid=[5971]}, 88) = 5971 [pid 5968] <... openat resumed>) = 3 [pid 5067] umount2("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5970] set_robust_list(0x5555556c56a0, 24 [pid 5971] <... rseq resumed>) = 0 [pid 5969] rt_sigprocmask(SIG_SETMASK, [], [pid 5968] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5970 [pid 5970] <... set_robust_list resumed>) = 0 [pid 5971] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5969] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 161.408593][ T5967] loop1: detected capacity change from 0 to 1024 [ 161.415008][ T5968] loop4: detected capacity change from 0 to 1024 [pid 5968] <... chdir resumed>) = 0 [pid 5970] chdir("./73" [pid 5971] <... set_robust_list resumed>) = 0 [pid 5969] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... rmdir resumed>) = 0 [pid 5971] rt_sigprocmask(SIG_SETMASK, [], [pid 5968] ioctl(4, LOOP_CLR_FD [pid 5970] <... chdir resumed>) = 0 [pid 5971] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5969] <... futex resumed>) = 0 [pid 5968] <... ioctl resumed>) = 0 [pid 5967] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5066] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5971] memfd_create("syzkaller", 0 [pid 5969] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5968] close(4 [pid 5970] <... prctl resumed>) = 0 [pid 5971] <... memfd_create resumed>) = 3 [pid 5968] <... close resumed>) = 0 [pid 5967] <... mkdir resumed>) = 0 [pid 5970] setpgid(0, 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5970] <... setpgid resumed>) = 0 [pid 5971] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5968] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] newfstatat(AT_FDCWD, "./71/binderfs", [pid 5970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5971] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5968] <... futex resumed>) = 1 [pid 5966] <... futex resumed>) = 0 [pid 5970] <... openat resumed>) = 3 [pid 5971] 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"..., 524288 [pid 5968] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5966] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] unlink("./71/binderfs" [pid 5970] write(3, "1000", 4 [pid 5968] <... mknod resumed>) = 0 [pid 5967] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5966] <... futex resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5970] <... write resumed>) = 4 [pid 5966] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5970] close(3) = 0 [pid 5970] symlink("/dev/binderfs", "./binderfs" [pid 5067] umount2("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5970] <... symlink resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5970] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] newfstatat(AT_FDCWD, "./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5970] <... futex resumed>) = 0 [pid 5968] <... futex resumed>) = 1 [pid 5966] <... futex resumed>) = 0 [pid 5066] <... unlink resumed>) = 0 [pid 5970] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5968] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5966] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5970] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5971] <... write resumed>) = 524288 [pid 5968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5966] <... futex resumed>) = 0 [pid 5067] umount2("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] getdents64(3, [pid 5970] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5968] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5966] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] openat(AT_FDCWD, "./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] close(3 [pid 5970] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 5067] <... openat resumed>) = 4 [pid 5066] <... close resumed>) = 0 [pid 5970] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5067] newfstatat(4, "", [pid 5066] rmdir("./71" [pid 5970] <... mprotect resumed>) = 0 [pid 5970] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5971] munmap(0x7fdb7f81d000, 138412032 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5970] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5971] <... munmap resumed>) = 0 [pid 5066] mkdir("./72", 0777 [pid 5970] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5067] getdents64(4, [pid 5066] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5972 attached [pid 5971] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5967] <... mount resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5972] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5970] <... clone3 resumed> => {parent_tid=[5972]}, 88) = 5972 [pid 5971] <... openat resumed>) = 4 [pid 5967] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5067] getdents64(4, [pid 5066] <... openat resumed>) = 3 [pid 5972] <... rseq resumed>) = 0 [pid 5970] rt_sigprocmask(SIG_SETMASK, [], [pid 5971] ioctl(4, LOOP_SET_FD, 3 [pid 5968] <... open resumed>) = 4 [pid 5967] <... openat resumed>) = 3 [pid 5972] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5967] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5972] <... set_robust_list resumed>) = 0 [pid 5967] <... chdir resumed>) = 0 [pid 5972] rt_sigprocmask(SIG_SETMASK, [], [pid 5967] ioctl(4, LOOP_CLR_FD [pid 5067] close(4 [pid 5066] <... ioctl resumed>) = 0 [pid 5972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5967] <... ioctl resumed>) = 0 [pid 5972] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] close(4 [pid 5067] <... close resumed>) = 0 [pid 5066] close(3 [pid 5967] <... close resumed>) = 0 [pid 5970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5968] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] rmdir("./71/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] <... close resumed>) = 0 [pid 5970] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... futex resumed>) = 1 [pid 5967] <... futex resumed>) = 1 [pid 5966] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = 0 [pid 5968] sync( [pid 5967] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5966] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5965] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] <... futex resumed>) = 0 [pid 5970] <... futex resumed>) = 1 [pid 5966] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5972] memfd_create("syzkaller", 0 [pid 5970] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5972] <... memfd_create resumed>) = 3 [pid 5967] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = 1 [pid 5067] <... rmdir resumed>) = 0 [pid 5972] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5967] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5965] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5972] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5971] <... ioctl resumed>) = 0 [pid 5967] <... mknod resumed>) = 0 [pid 5067] umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5971] close(3 [pid 5967] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5971] <... close resumed>) = 0 [pid 5967] <... futex resumed>) = 1 [pid 5965] <... futex resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./71/binderfs", [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5973 [pid 5971] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5967] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5973 attached [pid 5971] <... mkdir resumed>) = 0 [pid 5967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5965] <... futex resumed>) = 0 [pid 5067] unlink("./71/binderfs" [pid 5965] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5967] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5973] set_robust_list(0x5555556c56a0, 24 [pid 5972] 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"..., 524288 [pid 5067] <... unlink resumed>) = 0 [pid 5067] getdents64(3, [pid 5973] <... set_robust_list resumed>) = 0 [pid 5973] chdir("./72" [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5973] <... chdir resumed>) = 0 [pid 5971] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5973] setpgid(0, 0) = 0 [pid 5067] close(3 [ 161.550556][ T5971] loop5: detected capacity change from 0 to 1024 [pid 5973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5067] <... close resumed>) = 0 [pid 5067] rmdir("./71" [pid 5973] write(3, "1000", 4 [pid 5966] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] <... rmdir resumed>) = 0 [pid 5973] <... write resumed>) = 4 [pid 5973] close(3 [pid 5972] <... write resumed>) = 524288 [pid 5967] <... open resumed>) = 4 [pid 5973] <... close resumed>) = 0 [pid 5967] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] symlink("/dev/binderfs", "./binderfs" [pid 5972] munmap(0x7fdb7f81d000, 138412032 [pid 5967] <... futex resumed>) = 1 [pid 5965] <... futex resumed>) = 0 [pid 5067] mkdir("./72", 0777 [pid 5973] <... symlink resumed>) = 0 [pid 5972] <... munmap resumed>) = 0 [pid 5971] <... mount resumed>) = 0 [pid 5967] sync( [pid 5965] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... mkdir resumed>) = 0 [pid 5971] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5965] <... futex resumed>) = 0 [pid 5965] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5973] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... openat resumed>) = 3 [pid 5971] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5968] <... sync resumed>) = 0 [pid 5973] <... futex resumed>) = 0 [pid 5972] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5971] <... chdir resumed>) = 0 [pid 5968] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5971] ioctl(4, LOOP_CLR_FD [pid 5973] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5971] <... ioctl resumed>) = 0 [pid 5968] <... futex resumed>) = 0 [pid 5973] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5972] <... openat resumed>) = 4 [pid 5971] close(4 [pid 5966] exit_group(0 [pid 5968] exit_group(0 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5973] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5971] <... close resumed>) = 0 [pid 5966] <... exit_group resumed>) = ? [pid 5067] <... openat resumed>) = 3 [pid 5973] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5972] ioctl(4, LOOP_SET_FD, 3 [pid 5971] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] +++ exited with 0 +++ [pid 5973] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5971] <... futex resumed>) = 1 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5971] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] close(3) = 0 [pid 5973] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5973] <... mprotect resumed>) = 0 [pid 5969] <... futex resumed>) = 0 [pid 5966] +++ exited with 0 +++ [pid 5969] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5969] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] <... futex resumed>) = 0 [pid 5971] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5966, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5971] <... mknod resumed>) = 0 [pid 5068] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5973] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 5974 [pid 5973] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5973] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5971] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(3, "", ./strace-static-x86_64: Process 5974 attached [pid 5971] <... futex resumed>) = 1 [pid 5969] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 5975 attached [pid 5974] set_robust_list(0x5555556c56a0, 24 [pid 5971] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(3, [pid 5975] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5974] <... set_robust_list resumed>) = 0 [pid 5973] <... clone3 resumed> => {parent_tid=[5975]}, 88) = 5975 [pid 5972] <... ioctl resumed>) = 0 [pid 5971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5975] <... rseq resumed>) = 0 [pid 5974] chdir("./72" [pid 5973] rt_sigprocmask(SIG_SETMASK, [], [pid 5972] close(3 [pid 5971] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5969] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5975] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5973] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5972] <... close resumed>) = 0 [pid 5975] <... set_robust_list resumed>) = 0 [pid 5974] <... chdir resumed>) = 0 [pid 5973] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5975] rt_sigprocmask(SIG_SETMASK, [], [pid 5974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5973] <... futex resumed>) = 0 [pid 5975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5974] <... prctl resumed>) = 0 [pid 5973] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5975] memfd_create("syzkaller", 0 [pid 5974] setpgid(0, 0 [pid 5972] <... mkdir resumed>) = 0 [pid 5967] <... sync resumed>) = 0 [pid 5965] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5967] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... setpgid resumed>) = 0 [pid 5972] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5967] <... futex resumed>) = 0 [pid 5975] <... memfd_create resumed>) = 3 [pid 5974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5967] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] exit_group(0 [pid 5975] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5967] <... futex resumed>) = ? [pid 5965] <... exit_group resumed>) = ? [pid 5975] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5974] <... openat resumed>) = 3 [pid 5971] <... open resumed>) = 4 [pid 5971] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5969] <... futex resumed>) = 0 [pid 5969] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] sync( [pid 5969] <... futex resumed>) = 0 [pid 5969] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 161.638380][ T5972] loop0: detected capacity change from 0 to 1024 [pid 5974] write(3, "1000", 4) = 4 [pid 5974] close(3) = 0 [pid 5967] +++ exited with 0 +++ [pid 5965] +++ exited with 0 +++ [pid 5975] 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"..., 524288 [pid 5974] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5965, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5065] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5974] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... openat resumed>) = 3 [pid 5065] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5974] <... futex resumed>) = 0 [pid 5065] umount2("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5975] <... write resumed>) = 524288 [pid 5974] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5068] <... umount2 resumed>) = 0 [pid 5974] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5974] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5068] umount2("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5972] <... mount resumed>) = 0 [pid 5972] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5972] <... openat resumed>) = 3 [pid 5068] newfstatat(AT_FDCWD, "./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5974] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5972] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5972] <... chdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5972] ioctl(4, LOOP_CLR_FD [pid 5068] openat(AT_FDCWD, "./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5974] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5972] <... ioctl resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5974] <... mprotect resumed>) = 0 [pid 5974] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5969] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5972] close(4 [pid 5068] newfstatat(4, "", [pid 5972] <... close resumed>) = 0 [pid 5974] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5972] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5972] <... futex resumed>) = 1 [pid 5970] <... futex resumed>) = 0 [pid 5975] munmap(0x7fdb7f81d000, 138412032 [pid 5974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5970] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 5972] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5975] <... munmap resumed>) = 0 [pid 5972] <... mknod resumed>) = 0 [pid 5970] <... futex resumed>) = 0 [pid 5970] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5974] <... clone3 resumed> => {parent_tid=[5976]}, 88) = 5976 [pid 5974] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 5976 attached [pid 5972] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5972] <... futex resumed>) = 1 [pid 5976] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5974] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... futex resumed>) = 0 [pid 5976] <... rseq resumed>) = 0 [pid 5972] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5976] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5974] <... futex resumed>) = 0 [pid 5970] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... set_robust_list resumed>) = 0 [pid 5974] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5972] <... futex resumed>) = 0 [pid 5970] <... futex resumed>) = 1 [pid 5068] getdents64(4, [pid 5976] rt_sigprocmask(SIG_SETMASK, [], [pid 5975] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5972] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5970] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] <... sync resumed>) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] <... openat resumed>) = 4 [pid 5971] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5975] ioctl(4, LOOP_SET_FD, 3 [pid 5976] memfd_create("syzkaller", 0 [pid 5972] <... open resumed>) = 4 [pid 5971] <... futex resumed>) = 0 [pid 5068] close(4 [pid 5976] <... memfd_create resumed>) = 3 [pid 5971] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] exit_group(0 [pid 5068] <... close resumed>) = 0 [pid 5976] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5068] rmdir("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5976] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5972] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... futex resumed>) = ? [pid 5969] <... exit_group resumed>) = ? [pid 5068] <... rmdir resumed>) = 0 [pid 5065] umount2("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5975] <... ioctl resumed>) = 0 [pid 5972] <... futex resumed>) = 1 [pid 5971] +++ exited with 0 +++ [pid 5969] +++ exited with 0 +++ [pid 5065] newfstatat(AT_FDCWD, "./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5975] close(3 [pid 5972] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5970] <... futex resumed>) = 0 [pid 5068] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5975] <... close resumed>) = 0 [pid 5972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5970] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5969, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] umount2("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5975] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5972] sync( [pid 5970] <... futex resumed>) = 0 [pid 5069] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(AT_FDCWD, "./73/binderfs", [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5976] 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"..., 524288 [pid 5975] <... mkdir resumed>) = 0 [pid 5970] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] openat(AT_FDCWD, "./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] unlink("./73/binderfs" [pid 5065] <... openat resumed>) = 4 [pid 5975] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] <... openat resumed>) = 3 [pid 5068] <... unlink resumed>) = 0 [pid 5068] getdents64(3, [pid 5069] newfstatat(3, "", [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 161.763435][ T5975] loop2: detected capacity change from 0 to 1024 [pid 5068] close(3 [pid 5069] getdents64(3, [pid 5068] <... close resumed>) = 0 [pid 5065] newfstatat(4, "", [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] rmdir("./73" [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] getdents64(4, [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] umount2("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] close(4 [pid 5068] mkdir("./74", 0777 [pid 5065] <... close resumed>) = 0 [pid 5065] rmdir("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] <... mkdir resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5065] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./72/binderfs", [pid 5976] <... write resumed>) = 524288 [pid 5068] <... openat resumed>) = 3 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5976] munmap(0x7fdb7f81d000, 138412032 [pid 5975] <... mount resumed>) = 0 [pid 5068] close(3 [pid 5065] unlink("./72/binderfs" [pid 5976] <... munmap resumed>) = 0 [pid 5975] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5972] <... sync resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5976] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5975] <... openat resumed>) = 3 [pid 5065] <... unlink resumed>) = 0 [pid 5975] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5976] <... openat resumed>) = 4 [pid 5975] <... chdir resumed>) = 0 [pid 5972] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] ioctl(4, LOOP_CLR_FD [pid 5065] getdents64(3, [pid 5976] ioctl(4, LOOP_SET_FD, 3 [pid 5975] <... ioctl resumed>) = 0 [pid 5972] <... futex resumed>) = 1 [pid 5970] <... futex resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] close(3) = 0 [pid 5065] rmdir("./72") = 0 [pid 5975] close(4) = 0 [pid 5065] mkdir("./73", 0777 [pid 5975] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5975] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5970] exit_group(0 [pid 5065] <... mkdir resumed>) = 0 [pid 5973] <... futex resumed>) = 0 [pid 5970] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5977 attached [pid 5976] <... ioctl resumed>) = 0 [pid 5973] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] +++ exited with 0 +++ [pid 5970] +++ exited with 0 +++ [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5977] set_robust_list(0x5555556c56a0, 24 [pid 5976] close(3 [pid 5975] <... futex resumed>) = 0 [pid 5973] <... futex resumed>) = 1 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5977 [pid 5065] <... openat resumed>) = 3 [pid 5977] <... set_robust_list resumed>) = 0 [pid 5976] <... close resumed>) = 0 [pid 5973] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5970, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5977] chdir("./74" [pid 5976] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5975] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5064] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5977] <... chdir resumed>) = 0 [pid 5976] <... mkdir resumed>) = 0 [pid 5975] <... mknod resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5976] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5977] <... prctl resumed>) = 0 [pid 5065] close(3 [pid 5977] setpgid(0, 0 [pid 5975] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... openat resumed>) = 3 [pid 5975] <... futex resumed>) = 1 [pid 5065] <... close resumed>) = 0 [pid 5977] <... setpgid resumed>) = 0 [pid 5975] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] newfstatat(3, "", [pid 5977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5973] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5975] <... futex resumed>) = 0 [pid 5973] <... futex resumed>) = 1 [pid 5064] getdents64(3, [pid 5977] <... openat resumed>) = 3 [pid 5976] <... mount resumed>) = 0 [pid 5975] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5973] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] umount2("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5977] write(3, "1000", 4 [pid 5976] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5977] <... write resumed>) = 4 [ 161.852705][ T5976] loop3: detected capacity change from 0 to 1024 ./strace-static-x86_64: Process 5978 attached [pid 5977] close(3 [pid 5976] <... openat resumed>) = 3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5978 [pid 5064] umount2("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5977] <... close resumed>) = 0 [pid 5977] symlink("/dev/binderfs", "./binderfs" [pid 5069] newfstatat(AT_FDCWD, "./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5978] set_robust_list(0x5555556c56a0, 24 [pid 5977] <... symlink resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5977] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5978] <... set_robust_list resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5977] <... futex resumed>) = 0 [pid 5977] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5976] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] openat(AT_FDCWD, "./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5977] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5976] <... chdir resumed>) = 0 [pid 5978] chdir("./73" [pid 5977] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5976] ioctl(4, LOOP_CLR_FD [pid 5069] <... openat resumed>) = 4 [pid 5064] <... umount2 resumed>) = 0 [pid 5975] <... open resumed>) = 4 [pid 5975] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] umount2("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5976] <... ioctl resumed>) = 0 [pid 5975] <... futex resumed>) = 1 [pid 5973] <... futex resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5975] sync( [pid 5973] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5977] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] newfstatat(AT_FDCWD, "./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5978] <... chdir resumed>) = 0 [pid 5977] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5976] close(4 [pid 5973] <... futex resumed>) = 0 [pid 5069] newfstatat(4, "", [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5977] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5973] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] umount2("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5977] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5976] <... close resumed>) = 0 [pid 5069] getdents64(4, [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5976] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] openat(AT_FDCWD, "./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5977] <... mprotect resumed>) = 0 [pid 5976] <... futex resumed>) = 1 [pid 5974] <... futex resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... openat resumed>) = 4 [pid 5978] <... prctl resumed>) = 0 [pid 5976] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5974] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] newfstatat(4, "", [pid 5977] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5974] <... futex resumed>) = 0 [pid 5977] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5976] <... mknod resumed>) = 0 [pid 5974] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] getdents64(4, [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5977] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5978] setpgid(0, 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] getdents64(4, [pid 5978] <... setpgid resumed>) = 0 [pid 5977] <... clone3 resumed> => {parent_tid=[5979]}, 88) = 5979 [pid 5069] close(4 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 5979 attached [pid 5978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5977] rt_sigprocmask(SIG_SETMASK, [], [pid 5976] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... close resumed>) = 0 [pid 5064] getdents64(4, [pid 5979] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5977] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5976] <... futex resumed>) = 1 [pid 5069] rmdir("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5979] <... rseq resumed>) = 0 [pid 5977] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5064] close(4 [pid 5979] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5978] <... openat resumed>) = 3 [pid 5977] <... futex resumed>) = 0 [pid 5974] <... futex resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5979] <... set_robust_list resumed>) = 0 [pid 5978] write(3, "1000", 4 [pid 5977] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5974] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] rmdir("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5979] rt_sigprocmask(SIG_SETMASK, [], [pid 5978] <... write resumed>) = 4 [pid 5976] <... futex resumed>) = 0 [pid 5974] <... futex resumed>) = 1 [pid 5979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5978] close(3 [pid 5976] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5974] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... rmdir resumed>) = 0 [pid 5979] memfd_create("syzkaller", 0 [pid 5978] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5979] <... memfd_create resumed>) = 3 [pid 5978] symlink("/dev/binderfs", "./binderfs" [pid 5069] newfstatat(AT_FDCWD, "./72/binderfs", [pid 5979] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5978] <... symlink resumed>) = 0 [pid 5975] <... sync resumed>) = 0 [pid 5973] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5979] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5975] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] unlink("./72/binderfs" [pid 5064] newfstatat(AT_FDCWD, "./73/binderfs", [pid 5069] <... unlink resumed>) = 0 [pid 5976] <... open resumed>) = 4 [pid 5975] <... futex resumed>) = 0 [pid 5069] getdents64(3, [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5975] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5973] exit_group(0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] unlink("./73/binderfs" [pid 5975] <... futex resumed>) = ? [pid 5973] <... exit_group resumed>) = ? [pid 5976] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... futex resumed>) = 1 [pid 5974] <... futex resumed>) = 0 [pid 5064] <... unlink resumed>) = 0 [pid 5975] +++ exited with 0 +++ [pid 5064] getdents64(3, [pid 5976] sync( [pid 5974] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5974] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5979] 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"..., 524288 [pid 5978] <... futex resumed>) = 0 [pid 5064] close(3 [pid 5978] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5978] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 5978] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5978] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} => {parent_tid=[5980]}, 88) = 5980 [pid 5978] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5978] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5069] close(3 [pid 5064] <... close resumed>) = 0 ./strace-static-x86_64: Process 5980 attached [pid 5978] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5980] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5973] +++ exited with 0 +++ [pid 5069] <... close resumed>) = 0 [pid 5064] rmdir("./73" [pid 5980] <... rseq resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5973, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5066] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5069] rmdir("./72" [pid 5064] <... rmdir resumed>) = 0 [pid 5980] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5066] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5980] <... set_robust_list resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5980] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5974] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] <... rmdir resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5064] mkdir("./74", 0777 [pid 5980] memfd_create("syzkaller", 0 [pid 5066] newfstatat(3, "", [pid 5064] <... mkdir resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5980] <... memfd_create resumed>) = 3 [pid 5976] <... sync resumed>) = 0 [pid 5069] mkdir("./73", 0777 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5980] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5976] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5976] <... futex resumed>) = 0 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5980] 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"..., 524288 [pid 5976] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] <... mkdir resumed>) = 0 [pid 5979] <... write resumed>) = 524288 [pid 5974] exit_group(0 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5066] getdents64(3, [pid 5064] <... ioctl resumed>) = 0 [pid 5979] munmap(0x7fdb7f81d000, 138412032 [pid 5976] <... futex resumed>) = ? [pid 5974] <... exit_group resumed>) = ? [pid 5069] <... openat resumed>) = 3 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] close(3 [pid 5979] <... munmap resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5066] umount2("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... close resumed>) = 0 [pid 5979] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5980] <... write resumed>) = 524288 [pid 5979] <... openat resumed>) = 4 [pid 5069] close(3 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5979] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... close resumed>) = 0 [pid 5980] munmap(0x7fdb7f81d000, 138412032 [pid 5979] <... ioctl resumed>) = 0 [pid 5976] +++ exited with 0 +++ [pid 5974] +++ exited with 0 +++ [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5981 attached [pid 5981] set_robust_list(0x5555556c56a0, 24 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5974, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5981] <... set_robust_list resumed>) = 0 [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5981] chdir("./74" [pid 5980] <... munmap resumed>) = 0 [pid 5067] <... restart_syscall resumed>) = 0 [pid 5981] <... chdir resumed>) = 0 [pid 5980] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5981 [pid 5981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5980] <... openat resumed>) = 4 [pid 5066] <... umount2 resumed>) = 0 [pid 5981] <... prctl resumed>) = 0 [pid 5067] umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5981] setpgid(0, 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5981] <... setpgid resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5982 attached [pid 5981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5980] ioctl(4, LOOP_SET_FD, 3 [pid 5979] close(3 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5982 [pid 5067] <... openat resumed>) = 3 [pid 5982] set_robust_list(0x5555556c56a0, 24) = 0 [pid 5981] <... openat resumed>) = 3 [pid 5979] <... close resumed>) = 0 [pid 5067] newfstatat(3, "", [pid 5981] write(3, "1000", 4 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5982] chdir("./73" [pid 5981] <... write resumed>) = 4 [pid 5979] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5067] getdents64(3, [pid 5981] close(3 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5981] <... close resumed>) = 0 [pid 5067] umount2("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5981] symlink("/dev/binderfs", "./binderfs" [pid 5979] <... mkdir resumed>) = 0 [pid 5982] <... chdir resumed>) = 0 [pid 5982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5979] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5981] <... symlink resumed>) = 0 [pid 5066] umount2("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5982] <... prctl resumed>) = 0 [pid 5981] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] <... ioctl resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5981] <... futex resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5981] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5067] <... umount2 resumed>) = 0 [pid 5066] umount2("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5981] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5982] setpgid(0, 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5980] close(3) = 0 [pid 5981] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5980] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5067] umount2("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] openat(AT_FDCWD, "./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... openat resumed>) = 4 [pid 5982] <... setpgid resumed>) = 0 [pid 5981] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5980] <... mkdir resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5981] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5980] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5066] newfstatat(4, "", [pid 5981] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5067] umount2("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5981] <... mprotect resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] getdents64(4, [pid 5982] <... openat resumed>) = 3 [pid 5981] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] openat(AT_FDCWD, "./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [ 162.116982][ T5979] loop4: detected capacity change from 0 to 1024 [ 162.155962][ T5980] loop1: detected capacity change from 0 to 1024 [pid 5067] <... openat resumed>) = 4 [pid 5981] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] getdents64(4, [pid 5981] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] newfstatat(4, "", [pid 5066] close(4 [pid 5981] <... clone3 resumed> => {parent_tid=[5983]}, 88) = 5983 [pid 5979] <... mount resumed>) = 0 [pid 5982] write(3, "1000", 4 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... close resumed>) = 0 [pid 5982] <... write resumed>) = 4 [pid 5982] close(3./strace-static-x86_64: Process 5983 attached ) = 0 [pid 5981] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] getdents64(4, [pid 5066] rmdir("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5983] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5982] symlink("/dev/binderfs", "./binderfs" [pid 5981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5979] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] <... rmdir resumed>) = 0 [pid 5983] <... rseq resumed>) = 0 [pid 5982] <... symlink resumed>) = 0 [pid 5981] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] getdents64(4, [pid 5983] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5982] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... futex resumed>) = 0 [pid 5979] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5983] <... set_robust_list resumed>) = 0 [pid 5982] <... futex resumed>) = 0 [pid 5981] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5979] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] close(4 [pid 5066] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5983] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... close resumed>) = 0 [pid 5983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] rmdir("./72/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5983] memfd_create("syzkaller", 0 [pid 5982] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5979] <... chdir resumed>) = 0 [pid 5983] <... memfd_create resumed>) = 3 [pid 5983] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5982] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5979] ioctl(4, LOOP_CLR_FD [pid 5066] newfstatat(AT_FDCWD, "./72/binderfs", [pid 5979] <... ioctl resumed>) = 0 [pid 5982] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5983] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5979] close(4 [pid 5067] <... rmdir resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5982] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5980] <... mount resumed>) = 0 [pid 5979] <... close resumed>) = 0 [pid 5066] unlink("./72/binderfs" [pid 5980] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5979] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5979] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] <... futex resumed>) = 0 [pid 5982] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5982] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5980] <... openat resumed>) = 3 [pid 5979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5977] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... unlink resumed>) = 0 [pid 5982] <... mprotect resumed>) = 0 [pid 5979] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5977] <... futex resumed>) = 0 [pid 5983] 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"..., 524288 [pid 5982] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5980] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5979] <... mknod resumed>) = 0 [pid 5977] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] getdents64(3, [pid 5982] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5980] <... chdir resumed>) = 0 [pid 5982] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5980] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 5984 attached ) = 0 [pid 5979] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] newfstatat(AT_FDCWD, "./72/binderfs", [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5984] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5982] <... clone3 resumed> => {parent_tid=[5984]}, 88) = 5984 [pid 5980] close(4 [pid 5979] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] close(3 [pid 5984] <... rseq resumed>) = 0 [pid 5982] rt_sigprocmask(SIG_SETMASK, [], [pid 5980] <... close resumed>) = 0 [pid 5979] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5977] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] unlink("./72/binderfs" [pid 5984] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5980] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... set_robust_list resumed>) = 0 [pid 5982] <... futex resumed>) = 0 [pid 5980] <... futex resumed>) = 1 [pid 5980] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] <... futex resumed>) = 0 [pid 5984] rt_sigprocmask(SIG_SETMASK, [], [pid 5982] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5984] memfd_create("syzkaller", 0 [pid 5978] <... futex resumed>) = 0 [pid 5977] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... unlink resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5978] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] getdents64(3, [pid 5066] rmdir("./72" [pid 5984] <... memfd_create resumed>) = 3 [pid 5980] <... futex resumed>) = 0 [pid 5978] <... futex resumed>) = 1 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5980] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5978] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] close(3) = 0 [pid 5984] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5980] <... mknod resumed>) = 0 [pid 5067] rmdir("./72" [pid 5066] mkdir("./73", 0777 [pid 5067] <... rmdir resumed>) = 0 [pid 5067] mkdir("./73", 0777 [pid 5984] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5980] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... mkdir resumed>) = 0 [pid 5066] <... mkdir resumed>) = 0 [pid 5978] <... futex resumed>) = 0 [pid 5980] <... futex resumed>) = 1 [pid 5978] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5978] <... futex resumed>) = 0 [pid 5978] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5983] <... write resumed>) = 524288 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] <... openat resumed>) = 3 [pid 5066] <... openat resumed>) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5983] munmap(0x7fdb7f81d000, 138412032 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5983] <... munmap resumed>) = 0 [pid 5979] <... open resumed>) = 4 [pid 5066] close(3) = 0 [pid 5067] close(3) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5979] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] 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"..., 524288 [pid 5979] <... futex resumed>) = 1 [pid 5977] <... futex resumed>) = 0 [pid 5977] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] sync( [pid 5977] <... futex resumed>) = 0 [pid 5983] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5977] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5983] ioctl(4, LOOP_SET_FD, 3) = 0 ./strace-static-x86_64: Process 5986 attached ./strace-static-x86_64: Process 5985 attached [pid 5984] <... write resumed>) = 524288 [pid 5980] <... open resumed>) = 4 [pid 5978] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5986] set_robust_list(0x5555556c56a0, 24 [pid 5985] set_robust_list(0x5555556c56a0, 24 [pid 5983] close(3 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 5986 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5985 [pid 5978] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... set_robust_list resumed>) = 0 [pid 5983] <... close resumed>) = 0 [pid 5980] <... futex resumed>) = 0 [pid 5978] <... futex resumed>) = 0 [pid 5985] chdir("./73" [pid 5983] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5986] <... set_robust_list resumed>) = 0 [pid 5985] <... chdir resumed>) = 0 [pid 5984] munmap(0x7fdb7f81d000, 138412032 [pid 5983] <... mkdir resumed>) = 0 [pid 5980] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5979] <... sync resumed>) = 0 [pid 5978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5986] chdir("./73" [pid 5985] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5979] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] <... chdir resumed>) = 0 [pid 5984] <... munmap resumed>) = 0 [pid 5983] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5979] <... futex resumed>) = 0 [pid 5978] <... mmap resumed>) = 0x7fdb87bfc000 [pid 5977] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5985] <... prctl resumed>) = 0 [ 162.317172][ T5983] loop0: detected capacity change from 0 to 1024 [pid 5985] setpgid(0, 0 [pid 5978] mprotect(0x7fdb87bfd000, 131072, PROT_READ|PROT_WRITE [pid 5985] <... setpgid resumed>) = 0 [pid 5978] <... mprotect resumed>) = 0 [pid 5986] <... prctl resumed>) = 0 [pid 5985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5984] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5979] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5977] exit_group(0) = ? [pid 5986] setpgid(0, 0 [pid 5985] <... openat resumed>) = 3 [pid 5984] <... openat resumed>) = 4 [pid 5979] <... futex resumed>) = ? [pid 5986] <... setpgid resumed>) = 0 [pid 5985] write(3, "1000", 4 [pid 5986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5985] <... write resumed>) = 4 [pid 5978] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5984] ioctl(4, LOOP_SET_FD, 3 [pid 5985] close(3 [pid 5986] <... openat resumed>) = 3 [pid 5985] <... close resumed>) = 0 [pid 5986] write(3, "1000", 4 [pid 5985] symlink("/dev/binderfs", "./binderfs" [pid 5983] <... mount resumed>) = 0 [pid 5986] <... write resumed>) = 4 [pid 5985] <... symlink resumed>) = 0 [pid 5983] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5986] close(3 [pid 5985] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... openat resumed>) = 3 [pid 5978] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5986] <... close resumed>) = 0 [pid 5985] <... futex resumed>) = 0 [pid 5983] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5978] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c1c990, parent_tid=0x7fdb87c1c990, exit_signal=0, stack=0x7fdb87bfc000, stack_size=0x20300, tls=0x7fdb87c1c6c0} [pid 5986] symlink("/dev/binderfs", "./binderfs" [pid 5978] <... clone3 resumed> => {parent_tid=[5987]}, 88) = 5987 ./strace-static-x86_64: Process 5987 attached [pid 5986] <... symlink resumed>) = 0 [pid 5985] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5984] <... ioctl resumed>) = 0 [pid 5983] <... chdir resumed>) = 0 [pid 5979] +++ exited with 0 +++ [pid 5978] rt_sigprocmask(SIG_SETMASK, [], [pid 5977] +++ exited with 0 +++ [pid 5987] rseq(0x7fdb87c1cfe0, 0x20, 0, 0x53053053 [pid 5983] ioctl(4, LOOP_CLR_FD [pid 5978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5977, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5987] <... rseq resumed>) = 0 [pid 5986] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5983] <... ioctl resumed>) = 0 [pid 5978] futex(0x7fdb87d096b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] set_robust_list(0x7fdb87c1c9a0, 24 [pid 5986] <... futex resumed>) = 0 [pid 5985] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5984] close(3 [pid 5983] close(4 [pid 5978] <... futex resumed>) = 0 [pid 5987] <... set_robust_list resumed>) = 0 [pid 5986] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5984] <... close resumed>) = 0 [pid 5983] <... close resumed>) = 0 [pid 5068] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5987] rt_sigprocmask(SIG_SETMASK, [], [pid 5986] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5984] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5983] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] futex(0x7fdb87d096bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5987] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5986] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5985] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5984] <... mkdir resumed>) = 0 [pid 5983] <... futex resumed>) = 1 [pid 5981] <... futex resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5987] sync( [pid 5986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5985] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5983] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5981] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 3 [pid 5986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5985] <... mprotect resumed>) = 0 [pid 5984] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5981] <... futex resumed>) = 0 [pid 5068] newfstatat(3, "", [pid 5983] <... mknod resumed>) = 0 [pid 5981] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5986] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5986] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5985] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] getdents64(3, [pid 5986] <... mprotect resumed>) = 0 [pid 5985] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5983] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [ 162.381862][ T5984] loop5: detected capacity change from 0 to 1024 [pid 5986] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5985] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5068] umount2("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5983] <... futex resumed>) = 1 [pid 5981] <... futex resumed>) = 0 [pid 5986] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5981] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5983] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5981] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5988 attached [pid 5985] <... clone3 resumed> => {parent_tid=[5988]}, 88) = 5988 [pid 5988] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5985] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 5989 attached [pid 5988] <... rseq resumed>) = 0 [pid 5985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5989] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5988] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5985] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... rseq resumed>) = 0 [pid 5988] <... set_robust_list resumed>) = 0 [pid 5986] <... clone3 resumed> => {parent_tid=[5989]}, 88) = 5989 [pid 5985] <... futex resumed>) = 0 [pid 5989] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5985] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5989] <... set_robust_list resumed>) = 0 [pid 5988] rt_sigprocmask(SIG_SETMASK, [], [pid 5986] rt_sigprocmask(SIG_SETMASK, [], [pid 5989] rt_sigprocmask(SIG_SETMASK, [], [pid 5988] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5988] memfd_create("syzkaller", 0 [pid 5986] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] memfd_create("syzkaller", 0 [pid 5988] <... memfd_create resumed>) = 3 [pid 5986] <... futex resumed>) = 0 [pid 5984] <... mount resumed>) = 0 [pid 5988] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5986] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5984] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5983] <... open resumed>) = 4 [pid 5989] <... memfd_create resumed>) = 3 [pid 5988] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5984] <... openat resumed>) = 3 [pid 5983] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... futex resumed>) = 0 [pid 5983] <... futex resumed>) = 1 [pid 5981] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] sync( [pid 5981] <... futex resumed>) = 0 [pid 5989] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5987] <... sync resumed>) = 0 [pid 5981] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5989] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5987] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5978] exit_group(0 [pid 5989] 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"..., 524288 [pid 5987] <... futex resumed>) = ? [pid 5984] <... chdir resumed>) = 0 [pid 5980] <... futex resumed>) = ? [pid 5978] <... exit_group resumed>) = ? [pid 5987] +++ exited with 0 +++ [pid 5984] ioctl(4, LOOP_CLR_FD) = 0 [pid 5984] close(4) = 0 [pid 5984] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... sync resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5988] 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"..., 524288 [pid 5984] <... futex resumed>) = 1 [pid 5983] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... futex resumed>) = 0 [pid 5980] +++ exited with 0 +++ [pid 5978] +++ exited with 0 +++ [pid 5068] umount2("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5984] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5983] <... futex resumed>) = 1 [pid 5981] <... futex resumed>) = 0 [pid 5983] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5981] exit_group(0 [pid 5983] <... futex resumed>) = ? [pid 5982] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... exit_group resumed>) = ? [pid 5068] newfstatat(AT_FDCWD, "./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5978, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5983] +++ exited with 0 +++ [pid 5982] <... futex resumed>) = 1 [pid 5984] <... futex resumed>) = 0 [pid 5982] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5984] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5068] umount2("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5984] <... mknod resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5989] <... write resumed>) = 524288 [pid 5065] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5065] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5989] munmap(0x7fdb7f81d000, 138412032 [pid 5988] <... write resumed>) = 524288 [pid 5984] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] +++ exited with 0 +++ [pid 5068] openat(AT_FDCWD, "./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] umount2("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5989] <... munmap resumed>) = 0 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5981, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5989] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5065] <... umount2 resumed>) = 0 [pid 5064] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5989] <... openat resumed>) = 4 [pid 5988] munmap(0x7fdb7f81d000, 138412032 [pid 5984] <... futex resumed>) = 1 [pid 5982] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5989] ioctl(4, LOOP_SET_FD, 3 [pid 5982] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5988] <... munmap resumed>) = 0 [pid 5982] <... futex resumed>) = 0 [pid 5064] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5982] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] umount2("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... openat resumed>) = 3 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(3, "", [pid 5065] newfstatat(AT_FDCWD, "./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5988] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5984] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5068] newfstatat(4, "", [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] umount2("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5989] <... ioctl resumed>) = 0 [pid 5988] <... openat resumed>) = 4 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(4, [pid 5065] openat(AT_FDCWD, "./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5988] ioctl(4, LOOP_SET_FD, 3 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] <... openat resumed>) = 4 [pid 5065] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] getdents64(4, [pid 5989] close(3 [pid 5988] <... ioctl resumed>) = 0 [pid 5068] getdents64(4, [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5989] <... close resumed>) = 0 [pid 5988] close(3 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5989] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5988] <... close resumed>) = 0 [pid 5068] close(4 [pid 5988] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5989] <... mkdir resumed>) = 0 [pid 5988] <... mkdir resumed>) = 0 [pid 5984] <... open resumed>) = 4 [pid 5068] <... close resumed>) = 0 [pid 5065] close(4 [pid 5988] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5984] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] <... close resumed>) = 0 [pid 5065] rmdir("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5984] <... futex resumed>) = 1 [pid 5982] <... futex resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5989] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5984] sync( [pid 5982] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5982] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5982] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(AT_FDCWD, "./74/binderfs", [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] newfstatat(AT_FDCWD, "./73/binderfs", [pid 5068] unlink("./74/binderfs" [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] unlink("./73/binderfs" [pid 5068] <... unlink resumed>) = 0 [pid 5068] getdents64(3, [pid 5065] <... unlink resumed>) = 0 [ 162.550588][ T5989] loop3: detected capacity change from 0 to 1024 [ 162.563610][ T5988] loop2: detected capacity change from 0 to 1024 [pid 5065] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] close(3) = 0 [pid 5065] rmdir("./73") = 0 [pid 5065] mkdir("./74", 0777 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... mkdir resumed>) = 0 [pid 5068] close(3 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5068] <... close resumed>) = 0 [pid 5988] <... mount resumed>) = 0 [pid 5068] rmdir("./74" [pid 5065] <... openat resumed>) = 3 [pid 5064] <... umount2 resumed>) = 0 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5064] umount2("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... rmdir resumed>) = 0 [pid 5065] close(3 [pid 5064] newfstatat(AT_FDCWD, "./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5989] <... mount resumed>) = 0 [pid 5988] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] mkdir("./75", 0777 [pid 5065] <... close resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5988] <... openat resumed>) = 3 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] umount2("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5989] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] <... mkdir resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5989] <... openat resumed>) = 3 [pid 5988] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5064] openat(AT_FDCWD, "./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5989] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5988] <... chdir resumed>) = 0 [pid 5982] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... openat resumed>) = 3 [pid 5064] <... openat resumed>) = 4 ./strace-static-x86_64: Process 5990 attached [pid 5989] <... chdir resumed>) = 0 [pid 5988] ioctl(4, LOOP_CLR_FD) = 0 [pid 5988] close(4 [pid 5989] ioctl(4, LOOP_CLR_FD [pid 5990] set_robust_list(0x5555556c56a0, 24 [pid 5989] <... ioctl resumed>) = 0 [pid 5988] <... close resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 5990 [pid 5064] newfstatat(4, "", [pid 5990] <... set_robust_list resumed>) = 0 [pid 5989] close(4 [pid 5988] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... close resumed>) = 0 [pid 5988] <... futex resumed>) = 1 [pid 5989] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... futex resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5988] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5985] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5985] <... futex resumed>) = 0 [pid 5988] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5985] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] close(3 [pid 5990] chdir("./74" [pid 5988] <... mknod resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5990] <... chdir resumed>) = 0 [pid 5989] <... futex resumed>) = 1 [pid 5986] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] getdents64(4, [pid 5990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5989] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5990] <... prctl resumed>) = 0 [pid 5989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5986] <... futex resumed>) = 0 [pid 5064] getdents64(4, [pid 5990] setpgid(0, 0 [pid 5989] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5986] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5990] <... setpgid resumed>) = 0 [pid 5990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5064] close(4) = 0 [pid 5988] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] rmdir("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5989] <... mknod resumed>) = 0 [pid 5988] <... futex resumed>) = 1 [pid 5985] <... futex resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5990] <... openat resumed>) = 3 [pid 5990] write(3, "1000", 4 [pid 5989] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5985] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... write resumed>) = 4 [pid 5990] close(3 [pid 5985] <... futex resumed>) = 0 [pid 5064] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5990] <... close resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5990] symlink("/dev/binderfs", "./binderfs" [pid 5985] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] <... sync resumed>) = 0 [pid 5064] newfstatat(AT_FDCWD, "./74/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5990] <... symlink resumed>) = 0 [pid 5064] unlink("./74/binderfs" [pid 5990] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... unlink resumed>) = 0 [pid 5064] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] close(3 [pid 5990] <... futex resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5990] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5064] rmdir("./74") = 0 [pid 5990] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5990] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ./strace-static-x86_64: Process 5991 attached [pid 5990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5989] <... futex resumed>) = 1 [pid 5986] <... futex resumed>) = 0 [pid 5984] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] mkdir("./75", 0777 [pid 5991] set_robust_list(0x5555556c56a0, 24 [pid 5984] <... futex resumed>) = 0 [pid 5991] <... set_robust_list resumed>) = 0 [pid 5984] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] chdir("./75" [pid 5990] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5989] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5986] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 5991 [pid 5064] <... mkdir resumed>) = 0 [pid 5990] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5986] <... futex resumed>) = 0 [pid 5982] exit_group(0 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5991] <... chdir resumed>) = 0 [pid 5990] <... mprotect resumed>) = 0 [pid 5986] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] <... futex resumed>) = ? [pid 5982] <... exit_group resumed>) = ? [pid 5064] <... openat resumed>) = 3 [pid 5991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5990] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5984] +++ exited with 0 +++ [pid 5982] +++ exited with 0 +++ [pid 5988] <... open resumed>) = 4 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5991] <... prctl resumed>) = 0 [pid 5990] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5989] <... open resumed>) = 4 [pid 5988] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5982, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5991] setpgid(0, 0 [pid 5990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5991] <... setpgid resumed>) = 0 [pid 5989] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... futex resumed>) = 1 [pid 5985] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5992 attached [pid 5991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5989] <... futex resumed>) = 1 [pid 5988] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] <... futex resumed>) = 0 [pid 5985] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5064] close(3 [pid 5992] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5991] <... openat resumed>) = 3 [pid 5990] <... clone3 resumed> => {parent_tid=[5992]}, 88) = 5992 [pid 5989] sync( [pid 5988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5986] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... futex resumed>) = 0 [pid 5992] <... rseq resumed>) = 0 [pid 5991] write(3, "1000", 4 [pid 5986] <... futex resumed>) = 0 [pid 5985] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... close resumed>) = 0 [pid 5992] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5991] <... write resumed>) = 4 [pid 5988] sync( [pid 5986] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5992] <... set_robust_list resumed>) = 0 [pid 5991] close(3 [pid 5990] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5992] rt_sigprocmask(SIG_SETMASK, [], [pid 5991] <... close resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5993 attached [pid 5992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5991] symlink("/dev/binderfs", "./binderfs" [pid 5990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5993] set_robust_list(0x5555556c56a0, 24 [pid 5992] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5990] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(3, "", [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 5993 [pid 5993] <... set_robust_list resumed>) = 0 [pid 5992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5991] <... symlink resumed>) = 0 [pid 5990] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5993] chdir("./75" [pid 5992] memfd_create("syzkaller", 0 [pid 5990] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5993] <... chdir resumed>) = 0 [pid 5992] <... memfd_create resumed>) = 3 [pid 5991] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] getdents64(3, [pid 5993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5992] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5991] <... futex resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5993] <... prctl resumed>) = 0 [pid 5992] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5991] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5069] umount2("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5993] setpgid(0, 0 [pid 5991] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5993] <... setpgid resumed>) = 0 [pid 5991] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5989] <... sync resumed>) = 0 [pid 5993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5989] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... sync resumed>) = 0 [pid 5989] <... futex resumed>) = 1 [pid 5986] <... futex resumed>) = 0 [pid 5988] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5985] <... futex resumed>) = 0 [pid 5989] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5988] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] exit_group(0 [pid 5985] exit_group(0 [pid 5986] <... exit_group resumed>) = ? [pid 5988] <... futex resumed>) = ? [pid 5985] <... exit_group resumed>) = ? [pid 5991] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5988] +++ exited with 0 +++ [pid 5991] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5991] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5993] <... openat resumed>) = 3 [pid 5992] 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"..., 524288 [pid 5991] <... mprotect resumed>) = 0 [pid 5989] <... futex resumed>) = ? [pid 5985] +++ exited with 0 +++ [pid 5991] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5985, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5992] <... write resumed>) = 524288 [pid 5991] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5993] write(3, "1000", 4 [pid 5066] <... restart_syscall resumed>) = 0 [pid 5989] +++ exited with 0 +++ [pid 5986] +++ exited with 0 +++ [pid 5066] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5066] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5066] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(3, [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5986, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5991] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5066] umount2("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5993] <... write resumed>) = 4 [pid 5067] <... restart_syscall resumed>) = 0 [pid 5993] close(3) = 0 [pid 5993] symlink("/dev/binderfs", "./binderfs" [pid 5991] <... clone3 resumed> => {parent_tid=[5994]}, 88) = 5994 ./strace-static-x86_64: Process 5994 attached [pid 5993] <... symlink resumed>) = 0 [pid 5991] rt_sigprocmask(SIG_SETMASK, [], [pid 5994] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5993] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5993] <... futex resumed>) = 0 [pid 5993] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5994] <... rseq resumed>) = 0 [pid 5993] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5991] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5994] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5993] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5991] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5994] <... set_robust_list resumed>) = 0 [pid 5993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] newfstatat(AT_FDCWD, "./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5994] rt_sigprocmask(SIG_SETMASK, [], [pid 5991] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] <... openat resumed>) = 3 [pid 5994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] newfstatat(3, "", [pid 5993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5994] memfd_create("syzkaller", 0 [pid 5992] munmap(0x7fdb7f81d000, 138412032 [pid 5069] umount2("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5994] <... memfd_create resumed>) = 3 [pid 5993] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5992] <... munmap resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] getdents64(3, [pid 5994] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5992] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5993] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5994] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] openat(AT_FDCWD, "./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5993] <... mprotect resumed>) = 0 [pid 5992] <... openat resumed>) = 4 [pid 5993] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5993] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} => {parent_tid=[5995]}, 88) = 5995 [pid 5069] newfstatat(4, "", ./strace-static-x86_64: Process 5995 attached [pid 5993] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5995] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5995] <... rseq resumed>) = 0 [pid 5993] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5993] <... futex resumed>) = 0 [pid 5995] <... set_robust_list resumed>) = 0 [pid 5994] 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"..., 524288 [pid 5993] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5995] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5995] memfd_create("syzkaller", 0 [pid 5069] getdents64(4, [pid 5995] <... memfd_create resumed>) = 3 [pid 5995] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5995] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] getdents64(4, [pid 5995] 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"..., 524288 [pid 5992] ioctl(4, LOOP_SET_FD, 3 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5069] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./73/binderfs", [pid 5992] <... ioctl resumed>) = 0 [pid 5067] umount2("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] unlink("./73/binderfs") = 0 [pid 5069] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5069] close(3 [pid 5995] <... write resumed>) = 524288 [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./73") = 0 [pid 5069] mkdir("./74", 0777) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5992] close(3 [pid 5069] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] close(3) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5995] munmap(0x7fdb7f81d000, 138412032 [pid 5992] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5066] <... umount2 resumed>) = 0 [pid 5995] <... munmap resumed>) = 0 [pid 5994] <... write resumed>) = 524288 [pid 5992] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 5996 [pid 5067] umount2("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] umount2("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5996 attached [ 162.856625][ T5992] loop1: detected capacity change from 0 to 1024 [pid 5995] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5996] set_robust_list(0x5555556c56a0, 24) = 0 [pid 5995] ioctl(4, LOOP_SET_FD, 3 [pid 5992] <... mkdir resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5994] munmap(0x7fdb7f81d000, 138412032 [pid 5992] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5066] newfstatat(AT_FDCWD, "./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5996] chdir("./74" [pid 5994] <... munmap resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5996] <... chdir resumed>) = 0 [pid 5996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5996] setpgid(0, 0) = 0 [pid 5996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] umount2("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5994] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] newfstatat(AT_FDCWD, "./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5994] <... openat resumed>) = 4 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] openat(AT_FDCWD, "./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5994] ioctl(4, LOOP_SET_FD, 3 [pid 5067] umount2("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] newfstatat(4, "", [pid 5996] <... openat resumed>) = 3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5996] write(3, "1000", 4 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5996] <... write resumed>) = 4 [pid 5996] close(3 [pid 5066] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5996] <... close resumed>) = 0 [pid 5995] <... ioctl resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] getdents64(4, [pid 5996] symlink("/dev/binderfs", "./binderfs" [pid 5995] close(3 [pid 5996] <... symlink resumed>) = 0 [pid 5995] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5995] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5067] newfstatat(4, "", [pid 5066] close(4 [pid 5996] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... mkdir resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] rmdir("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5996] <... futex resumed>) = 0 [pid 5995] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5996] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5067] getdents64(4, [pid 5066] <... rmdir resumed>) = 0 [pid 5996] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5996] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5066] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5995] <... mount resumed>) = 0 [pid 5994] <... ioctl resumed>) = 0 [pid 5992] <... mount resumed>) = 0 [ 162.918697][ T5995] loop0: detected capacity change from 0 to 1024 [ 162.934798][ T5994] loop4: detected capacity change from 0 to 1024 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5996] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5995] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5994] close(3 [pid 5992] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5067] getdents64(4, [pid 5066] newfstatat(AT_FDCWD, "./73/binderfs", [pid 5996] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5994] <... close resumed>) = 0 [pid 5996] <... mprotect resumed>) = 0 [pid 5995] <... openat resumed>) = 3 [pid 5994] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5992] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5996] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5995] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5992] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] close(4 [pid 5066] unlink("./73/binderfs" [pid 5996] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5995] <... chdir resumed>) = 0 [pid 5992] <... chdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5996] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5995] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 5997 attached [pid 5994] <... mkdir resumed>) = 0 [pid 5992] ioctl(4, LOOP_CLR_FD [pid 5067] rmdir("./73/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] <... unlink resumed>) = 0 [pid 5997] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5995] <... ioctl resumed>) = 0 [pid 5997] <... rseq resumed>) = 0 [pid 5995] close(4 [pid 5997] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5995] <... close resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5066] getdents64(3, [pid 5992] <... ioctl resumed>) = 0 [pid 5997] <... set_robust_list resumed>) = 0 [pid 5996] <... clone3 resumed> => {parent_tid=[5997]}, 88) = 5997 [pid 5995] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5992] close(4 [pid 5067] umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5997] rt_sigprocmask(SIG_SETMASK, [], [pid 5996] rt_sigprocmask(SIG_SETMASK, [], [pid 5995] <... futex resumed>) = 1 [pid 5993] <... futex resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] close(3 [pid 5997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5995] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5993] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... close resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./73/binderfs", [pid 5066] <... close resumed>) = 0 [pid 5997] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5996] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... mknod resumed>) = 0 [pid 5997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5996] <... futex resumed>) = 0 [pid 5995] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5993] <... futex resumed>) = 0 [pid 5997] memfd_create("syzkaller", 0 [pid 5996] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5995] <... futex resumed>) = 0 [pid 5993] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5997] <... memfd_create resumed>) = 3 [pid 5993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5992] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] rmdir("./73" [pid 5997] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5993] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5997] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5995] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5993] <... futex resumed>) = 0 [pid 5992] <... futex resumed>) = 1 [pid 5990] <... futex resumed>) = 0 [pid 5067] unlink("./73/binderfs" [pid 5066] <... rmdir resumed>) = 0 [pid 5993] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5990] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5990] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] <... unlink resumed>) = 0 [pid 5995] <... open resumed>) = 4 [pid 5992] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5067] getdents64(3, [pid 5066] mkdir("./74", 0777 [pid 5995] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5993] <... futex resumed>) = 0 [pid 5997] 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"..., 524288 [pid 5995] sync( [pid 5993] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... mknod resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5993] <... futex resumed>) = 0 [pid 5066] <... mkdir resumed>) = 0 [pid 5993] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] close(3 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5992] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... close resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5992] <... futex resumed>) = 1 [pid 5990] <... futex resumed>) = 0 [pid 5067] rmdir("./73" [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5992] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5990] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5994] <... mount resumed>) = 0 [pid 5992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5990] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... rmdir resumed>) = 0 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5992] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5066] close(3) = 0 [pid 5994] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5067] mkdir("./74", 0777 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5994] <... openat resumed>) = 3 [pid 5994] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5994] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 5998 attached [pid 5997] <... write resumed>) = 524288 [pid 5994] <... ioctl resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5994] close(4) = 0 [pid 5992] <... open resumed>) = 4 [pid 5067] <... openat resumed>) = 3 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 5998 [pid 5998] set_robust_list(0x5555556c56a0, 24 [pid 5997] munmap(0x7fdb7f81d000, 138412032 [pid 5994] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... set_robust_list resumed>) = 0 [pid 5998] chdir("./74" [pid 5997] <... munmap resumed>) = 0 [pid 5994] <... futex resumed>) = 1 [pid 5992] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] <... futex resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5991] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... futex resumed>) = 1 [pid 5990] <... futex resumed>) = 0 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5994] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5992] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] <... futex resumed>) = 0 [pid 5990] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] close(3 [pid 5998] <... chdir resumed>) = 0 [pid 5992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] <... close resumed>) = 0 [pid 5998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5992] sync( [pid 5991] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] <... futex resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5998] <... prctl resumed>) = 0 [pid 5990] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5997] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5997] ioctl(4, LOOP_SET_FD, 3 [pid 5998] setpgid(0, 0 [pid 5994] <... mknod resumed>) = 0 [pid 5993] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5998] <... setpgid resumed>) = 0 [pid 5998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 5999 attached [pid 5998] write(3, "1000", 4 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 5999 [pid 5999] set_robust_list(0x5555556c56a0, 24 [pid 5998] <... write resumed>) = 4 [pid 5994] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... set_robust_list resumed>) = 0 [pid 5998] close(3 [pid 5995] <... sync resumed>) = 0 [pid 5994] <... futex resumed>) = 1 [pid 5991] <... futex resumed>) = 0 [pid 5998] <... close resumed>) = 0 [pid 5991] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] symlink("/dev/binderfs", "./binderfs" [pid 5994] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5991] <... futex resumed>) = 0 [pid 5999] chdir("./74" [pid 5991] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5995] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5995] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5993] exit_group(0 [pid 5995] <... futex resumed>) = ? [pid 5993] <... exit_group resumed>) = ? [pid 5995] +++ exited with 0 +++ [pid 5999] <... chdir resumed>) = 0 [pid 5999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5998] <... symlink resumed>) = 0 [pid 5999] <... prctl resumed>) = 0 [pid 5997] <... ioctl resumed>) = 0 [pid 5997] close(3 [pid 5999] setpgid(0, 0 [pid 5997] <... close resumed>) = 0 [pid 5997] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5999] <... setpgid resumed>) = 0 [pid 5998] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5998] <... futex resumed>) = 0 [pid 5997] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5993] +++ exited with 0 +++ [pid 5990] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5998] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5993, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5999] <... openat resumed>) = 3 [pid 5998] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5994] <... open resumed>) = 4 [pid 5992] <... sync resumed>) = 0 [ 163.086982][ T5997] loop5: detected capacity change from 0 to 1024 [pid 5999] write(3, "1000", 4 [pid 5998] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5994] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... write resumed>) = 4 [pid 5998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5994] <... futex resumed>) = 1 [pid 5992] <... futex resumed>) = 0 [pid 5991] <... futex resumed>) = 0 [pid 5999] close(3 [pid 5998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5994] sync( [pid 5992] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5998] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5991] <... futex resumed>) = 0 [pid 5990] exit_group(0 [pid 5992] <... futex resumed>) = ? [pid 5991] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5990] <... exit_group resumed>) = ? [pid 5992] +++ exited with 0 +++ [pid 5064] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5999] <... close resumed>) = 0 [pid 5998] <... mprotect resumed>) = 0 [pid 5990] +++ exited with 0 +++ [pid 5064] <... openat resumed>) = 3 [pid 5064] newfstatat(3, "", [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5990, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5999] symlink("/dev/binderfs", "./binderfs" [pid 5997] <... mount resumed>) = 0 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 5064] getdents64(3, [pid 5998] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] <... restart_syscall resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5999] <... symlink resumed>) = 0 [pid 5998] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5064] umount2("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5998] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 6000 attached [pid 5999] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6000] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5999] <... futex resumed>) = 0 [pid 5998] <... clone3 resumed> => {parent_tid=[6000]}, 88) = 6000 [pid 6000] <... rseq resumed>) = 0 [pid 5999] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5997] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5998] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6000] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5999] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6000] <... set_robust_list resumed>) = 0 [pid 5999] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6000] rt_sigprocmask(SIG_SETMASK, [], [pid 5998] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5998] <... futex resumed>) = 0 [pid 5997] <... openat resumed>) = 3 [pid 5994] <... sync resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6000] memfd_create("syzkaller", 0 [pid 5999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5998] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5994] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... openat resumed>) = 3 [pid 6000] <... memfd_create resumed>) = 3 [pid 5999] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5997] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5994] <... futex resumed>) = 1 [pid 5991] <... futex resumed>) = 0 [pid 5065] newfstatat(3, "", [pid 5999] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5994] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5991] exit_group(0 [pid 6000] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5999] <... mprotect resumed>) = 0 [pid 5997] <... chdir resumed>) = 0 [pid 5994] <... futex resumed>) = ? [pid 5991] <... exit_group resumed>) = ? [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5997] ioctl(4, LOOP_CLR_FD [pid 5065] getdents64(3, [pid 5999] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5994] +++ exited with 0 +++ [pid 5997] <... ioctl resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5999] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6000] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5999] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5065] umount2("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5997] close(4) = 0 [pid 5997] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... umount2 resumed>) = 0 [pid 5997] <... futex resumed>) = 1 [pid 5996] <... futex resumed>) = 0 [pid 5991] +++ exited with 0 +++ [pid 5997] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5996] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6001 attached [pid 5997] <... mknod resumed>) = 0 [pid 5996] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5991, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6001] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6000] 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"..., 524288 [pid 5999] <... clone3 resumed> => {parent_tid=[6001]}, 88) = 6001 [pid 5996] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6001] <... rseq resumed>) = 0 [pid 5997] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6001] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5997] <... futex resumed>) = 1 [pid 5996] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 6001] <... set_robust_list resumed>) = 0 [pid 5997] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5996] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(3, "", [pid 6001] rt_sigprocmask(SIG_SETMASK, [], [pid 5999] rt_sigprocmask(SIG_SETMASK, [], [pid 5996] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5064] umount2("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5996] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(3, [pid 6001] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5999] <... futex resumed>) = 0 [pid 5068] umount2("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6001] memfd_create("syzkaller", 0 [pid 6000] <... write resumed>) = 524288 [pid 5999] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6001] <... memfd_create resumed>) = 3 [pid 5065] newfstatat(AT_FDCWD, "./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6001] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6001] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6001] 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"..., 524288 [pid 5065] umount2("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5997] <... open resumed>) = 4 [pid 5064] <... openat resumed>) = 4 [pid 5064] newfstatat(4, "", [pid 6000] munmap(0x7fdb7f81d000, 138412032 [pid 5997] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6000] <... munmap resumed>) = 0 [pid 5997] <... futex resumed>) = 1 [pid 5996] <... futex resumed>) = 0 [pid 5068] umount2("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] openat(AT_FDCWD, "./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] getdents64(4, [pid 5997] sync( [pid 5996] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... openat resumed>) = 4 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5996] <... futex resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] newfstatat(4, "", [pid 5064] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6000] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5064] close(4 [pid 6000] <... openat resumed>) = 4 [pid 5996] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... close resumed>) = 0 [pid 6000] ioctl(4, LOOP_SET_FD, 3 [pid 5068] umount2("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] getdents64(4, [pid 5064] rmdir("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] openat(AT_FDCWD, "./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] getdents64(4, [pid 5068] <... openat resumed>) = 4 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5065] close(4 [pid 5068] newfstatat(4, "", [pid 5065] <... close resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] rmdir("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(4, [pid 5065] <... rmdir resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6000] <... ioctl resumed>) = 0 [pid 6001] <... write resumed>) = 524288 [pid 6000] close(3 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] newfstatat(AT_FDCWD, "./75/binderfs", [pid 6000] <... close resumed>) = 0 [pid 6000] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5068] getdents64(4, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] newfstatat(AT_FDCWD, "./74/binderfs", [pid 5068] close(4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... close resumed>) = 0 [pid 5065] unlink("./74/binderfs" [pid 6000] <... mkdir resumed>) = 0 [pid 5064] unlink("./75/binderfs" [pid 5997] <... sync resumed>) = 0 [pid 5997] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] <... unlink resumed>) = 0 [pid 5997] <... futex resumed>) = 1 [pid 5996] <... futex resumed>) = 0 [pid 5997] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5996] exit_group(0) = ? [pid 5997] <... futex resumed>) = ? [pid 5997] +++ exited with 0 +++ [pid 5068] <... rmdir resumed>) = 0 [pid 5065] getdents64(3, [pid 5068] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] close(3 [pid 5068] newfstatat(AT_FDCWD, "./75/binderfs", [pid 5065] <... close resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] rmdir("./74" [pid 5996] +++ exited with 0 +++ [pid 5065] <... rmdir resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5996, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5068] unlink("./75/binderfs") = 0 [pid 5065] mkdir("./75", 0777 [pid 5064] <... unlink resumed>) = 0 [pid 5069] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... mkdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(3, [pid 5069] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5068] close(3 [pid 5069] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... close resumed>) = 0 [ 163.293398][ T6000] loop2: detected capacity change from 0 to 1024 [pid 5069] getdents64(3, [pid 5068] rmdir("./75" [pid 5064] getdents64(3, [pid 6001] munmap(0x7fdb7f81d000, 138412032 [pid 6000] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5068] <... rmdir resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] close(3 [pid 6001] <... munmap resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 6001] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5068] mkdir("./76", 0777 [pid 6001] <... openat resumed>) = 4 [pid 5064] rmdir("./75" [pid 5068] <... mkdir resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5064] <... rmdir resumed>) = 0 [pid 5069] umount2("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6001] ioctl(4, LOOP_SET_FD, 3 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD) = 0 [pid 5068] close(3) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] close(3) = 0 [pid 5064] mkdir("./76", 0777 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6002 [pid 5064] <... mkdir resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6003 ./strace-static-x86_64: Process 6002 attached [pid 6002] set_robust_list(0x5555556c56a0, 24) = 0 [pid 6002] chdir("./76") = 0 [pid 6002] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6001] <... ioctl resumed>) = 0 [pid 6002] <... prctl resumed>) = 0 [pid 6002] setpgid(0, 0) = 0 [pid 6002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6003 attached [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6003] set_robust_list(0x5555556c56a0, 24) = 0 [pid 6002] <... openat resumed>) = 3 [pid 6000] <... mount resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 6001] close(3 [pid 6000] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6003] chdir("./75" [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] close(3) = 0 [pid 6003] <... chdir resumed>) = 0 [pid 6002] write(3, "1000", 4 [pid 6001] <... close resumed>) = 0 [pid 6000] <... openat resumed>) = 3 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6002] <... write resumed>) = 4 [pid 6001] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6000] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6002] close(3 [pid 6001] <... mkdir resumed>) = 0 [pid 6000] <... chdir resumed>) = 0 [pid 6002] <... close resumed>) = 0 [pid 6000] ioctl(4, LOOP_CLR_FD [pid 6002] symlink("/dev/binderfs", "./binderfs" [pid 6000] <... ioctl resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6004 [pid 6002] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6004 attached [pid 6002] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6000] close(4 [pid 6004] set_robust_list(0x5555556c56a0, 24 [pid 6003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6002] <... futex resumed>) = 0 [pid 6000] <... close resumed>) = 0 [pid 6004] <... set_robust_list resumed>) = 0 [pid 6003] <... prctl resumed>) = 0 [pid 6002] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6000] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] chdir("./76" [pid 6003] setpgid(0, 0 [pid 6002] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6001] <... mount resumed>) = 0 [pid 6000] <... futex resumed>) = 1 [pid 5998] <... futex resumed>) = 0 [pid 6004] <... chdir resumed>) = 0 [pid 6002] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6003] <... setpgid resumed>) = 0 [pid 5998] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5998] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6002] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 6002] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [ 163.370858][ T6001] loop3: detected capacity change from 0 to 1024 [pid 6004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6002] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6004] <... prctl resumed>) = 0 [pid 6003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6004] setpgid(0, 0) = 0 [pid 6004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6002] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6004] <... openat resumed>) = 3 [pid 6003] <... openat resumed>) = 3 [pid 6002] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6001] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6000] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6001] <... openat resumed>) = 3 [pid 6000] <... mknod resumed>) = 0 [pid 6002] <... clone3 resumed> => {parent_tid=[6005]}, 88) = 6005 [pid 6001] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6004] write(3, "1000", 4 [pid 6002] rt_sigprocmask(SIG_SETMASK, [], [pid 6001] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 6005 attached [pid 6004] <... write resumed>) = 4 [pid 6003] write(3, "1000", 4 [pid 5069] <... umount2 resumed>) = 0 [pid 6000] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... write resumed>) = 4 [pid 6000] <... futex resumed>) = 1 [pid 5998] <... futex resumed>) = 0 [pid 5069] umount2("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6003] close(3 [pid 6002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6000] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5998] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6003] <... close resumed>) = 0 [pid 6000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5998] <... futex resumed>) = 0 [pid 6005] <... rseq resumed>) = 0 [pid 6004] close(3 [pid 6003] symlink("/dev/binderfs", "./binderfs" [pid 6000] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5998] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6005] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6004] <... close resumed>) = 0 [pid 6003] <... symlink resumed>) = 0 [pid 6002] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6005] <... set_robust_list resumed>) = 0 [pid 6004] symlink("/dev/binderfs", "./binderfs" [pid 6003] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6005] rt_sigprocmask(SIG_SETMASK, [], [pid 6004] <... symlink resumed>) = 0 [pid 6003] <... futex resumed>) = 0 [pid 6001] ioctl(4, LOOP_CLR_FD [pid 6005] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6001] <... ioctl resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6005] memfd_create("syzkaller", 0 [pid 6000] <... open resumed>) = 4 [pid 6005] <... memfd_create resumed>) = 3 [pid 6004] <... futex resumed>) = 0 [pid 6002] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6001] close(4 [pid 6004] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6001] <... close resumed>) = 0 [pid 6005] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6004] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6001] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6005] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6003] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5069] umount2("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6005] 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"..., 524288 [pid 6003] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] openat(AT_FDCWD, "./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6004] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6003] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6001] <... futex resumed>) = 1 [pid 6000] <... futex resumed>) = 1 [pid 5999] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 6003] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5069] newfstatat(4, "", [pid 6004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6003] <... mprotect resumed>) = 0 [pid 6001] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6000] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(4, [pid 6004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6001] <... mknod resumed>) = 0 [pid 6000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5999] <... futex resumed>) = 0 [pid 5998] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6004] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6001] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] sync( [pid 5999] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] <... futex resumed>) = 0 [pid 6004] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6003] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6001] <... futex resumed>) = 0 [pid 5999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5998] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] getdents64(4, [pid 6004] <... mprotect resumed>) = 0 [pid 6004] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5999] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5999] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6004] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6003] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6001] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6004] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6003] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] close(4) = 0 ./strace-static-x86_64: Process 6007 attached ./strace-static-x86_64: Process 6006 attached [pid 6003] <... clone3 resumed> => {parent_tid=[6007]}, 88) = 6007 [pid 5069] rmdir("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6006] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6007] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6003] rt_sigprocmask(SIG_SETMASK, [], [pid 6006] <... rseq resumed>) = 0 [pid 6003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6006] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6007] <... rseq resumed>) = 0 [pid 6007] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6006] <... set_robust_list resumed>) = 0 [pid 6007] <... set_robust_list resumed>) = 0 [pid 6006] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6007] rt_sigprocmask(SIG_SETMASK, [], [pid 6004] <... clone3 resumed> => {parent_tid=[6006]}, 88) = 6006 [pid 6003] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... rmdir resumed>) = 0 [pid 6006] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6003] <... futex resumed>) = 0 [pid 5069] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6007] memfd_create("syzkaller", 0 [pid 6005] <... write resumed>) = 524288 [pid 6004] rt_sigprocmask(SIG_SETMASK, [], [pid 6003] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6007] <... memfd_create resumed>) = 3 [pid 5069] newfstatat(AT_FDCWD, "./74/binderfs", [pid 6005] munmap(0x7fdb7f81d000, 138412032 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6004] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6000] <... sync resumed>) = 0 [pid 5069] unlink("./74/binderfs" [pid 6004] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] <... futex resumed>) = 0 [pid 6007] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6005] <... munmap resumed>) = 0 [pid 6004] <... futex resumed>) = 1 [pid 6001] <... open resumed>) = 4 [pid 5069] <... unlink resumed>) = 0 [pid 6006] memfd_create("syzkaller", 0 [pid 6007] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6004] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] getdents64(3, [pid 6006] <... memfd_create resumed>) = 3 [pid 6005] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6006] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6001] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] <... futex resumed>) = 1 [pid 5998] <... futex resumed>) = 0 [pid 6001] <... futex resumed>) = 1 [pid 6000] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] <... futex resumed>) = 0 [pid 5998] exit_group(0 [pid 6000] <... futex resumed>) = ? [pid 5999] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... exit_group resumed>) = ? [pid 5999] <... futex resumed>) = 0 [pid 6006] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6007] 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"..., 524288 [pid 6005] <... openat resumed>) = 4 [pid 6000] +++ exited with 0 +++ [pid 5999] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] +++ exited with 0 +++ [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6001] sync( [pid 6006] 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"..., 524288 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5998, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6005] ioctl(4, LOOP_SET_FD, 3 [pid 5069] close(3) = 0 [pid 5066] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] rmdir("./74") = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6005] <... ioctl resumed>) = 0 [pid 5069] mkdir("./75", 0777 [pid 5066] <... openat resumed>) = 3 [pid 6005] close(3 [pid 5066] newfstatat(3, "", [pid 6005] <... close resumed>) = 0 [pid 6005] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6001] <... sync resumed>) = 0 [pid 6001] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5999] <... futex resumed>) = 0 [pid 5999] exit_group(0) = ? [pid 6005] <... mkdir resumed>) = 0 [pid 5066] getdents64(3, [pid 5069] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6001] +++ exited with 0 +++ [pid 5999] +++ exited with 0 +++ [pid 5069] <... openat resumed>) = 3 [pid 5066] umount2("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5999, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6006] <... write resumed>) = 524288 [pid 6007] <... write resumed>) = 524288 [pid 6005] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [ 163.564101][ T6005] loop4: detected capacity change from 0 to 1024 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 6006] munmap(0x7fdb7f81d000, 138412032 [pid 6007] munmap(0x7fdb7f81d000, 138412032 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] <... umount2 resumed>) = 0 [pid 5067] umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6006] <... munmap resumed>) = 0 [pid 6007] <... munmap resumed>) = 0 [pid 5069] close(3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] umount2("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6007] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6005] <... mount resumed>) = 0 [pid 6007] <... openat resumed>) = 4 [pid 6005] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5066] umount2("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6005] <... openat resumed>) = 3 [pid 5066] newfstatat(AT_FDCWD, "./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6005] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6007] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6008 attached [pid 6006] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6008] set_robust_list(0x5555556c56a0, 24 [pid 6006] <... openat resumed>) = 4 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6008] <... set_robust_list resumed>) = 0 [pid 6008] chdir("./75") = 0 [pid 6006] ioctl(4, LOOP_SET_FD, 3 [pid 6005] ioctl(4, LOOP_CLR_FD [pid 6008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6005] <... ioctl resumed>) = 0 [pid 6008] <... prctl resumed>) = 0 [pid 6008] setpgid(0, 0) = 0 [pid 6008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6005] close(4 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6008 [pid 5066] umount2("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6008] write(3, "1000", 4 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] openat(AT_FDCWD, "./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6005] <... close resumed>) = 0 [pid 6005] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... write resumed>) = 4 [pid 6008] close(3 [pid 5066] <... openat resumed>) = 4 [pid 6005] <... futex resumed>) = 1 [pid 6002] <... futex resumed>) = 0 [pid 5066] newfstatat(4, "", [pid 6005] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6008] <... close resumed>) = 0 [pid 6002] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6005] <... futex resumed>) = 0 [pid 6002] <... futex resumed>) = 1 [pid 5066] getdents64(4, [pid 6008] symlink("/dev/binderfs", "./binderfs" [pid 6005] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6002] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6008] <... symlink resumed>) = 0 [pid 6005] <... mknod resumed>) = 0 [pid 6008] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] <... ioctl resumed>) = 0 [pid 5066] getdents64(4, [pid 6008] <... futex resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6008] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 6008] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 6008] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5066] close(4 [pid 6008] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6006] close(3 [pid 5066] <... close resumed>) = 0 [pid 6008] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6008] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5066] rmdir("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6006] <... close resumed>) = 0 [pid 6005] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6008] <... clone3 resumed> => {parent_tid=[6009]}, 88) = 6009 [pid 6006] <... mkdir resumed>) = 0 [pid 6005] <... futex resumed>) = 1 [pid 6002] <... futex resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6009 attached [pid 6008] rt_sigprocmask(SIG_SETMASK, [], [pid 6006] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6007] <... ioctl resumed>) = 0 [pid 6005] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6002] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] umount2("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6009] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6007] close(3 [pid 6005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6002] <... futex resumed>) = 0 [ 163.663079][ T6007] loop1: detected capacity change from 0 to 1024 [ 163.672398][ T6006] loop0: detected capacity change from 0 to 1024 [pid 6009] <... rseq resumed>) = 0 [pid 6008] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] <... close resumed>) = 0 [pid 6005] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6002] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6008] <... futex resumed>) = 0 [pid 6007] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6009] <... set_robust_list resumed>) = 0 [pid 6006] <... mount resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(AT_FDCWD, "./74/binderfs", [pid 6009] rt_sigprocmask(SIG_SETMASK, [], [pid 6008] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6006] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6007] <... mkdir resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6009] memfd_create("syzkaller", 0 [pid 6007] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6005] <... open resumed>) = 4 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6009] <... memfd_create resumed>) = 3 [pid 6006] <... openat resumed>) = 3 [pid 5067] umount2("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] unlink("./74/binderfs" [pid 6006] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6005] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6006] <... chdir resumed>) = 0 [pid 6005] <... futex resumed>) = 1 [pid 6002] <... futex resumed>) = 0 [pid 5066] <... unlink resumed>) = 0 [pid 6009] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6006] ioctl(4, LOOP_CLR_FD [pid 6005] sync( [pid 6002] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] openat(AT_FDCWD, "./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6009] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6006] <... ioctl resumed>) = 0 [pid 6002] <... futex resumed>) = 0 [pid 6009] 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"..., 524288 [pid 6006] close(4 [pid 6002] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... openat resumed>) = 4 [pid 5066] getdents64(3, [pid 6006] <... close resumed>) = 0 [pid 6006] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] newfstatat(4, "", [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6006] <... futex resumed>) = 1 [pid 6004] <... futex resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] close(3 [pid 6006] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6004] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... close resumed>) = 0 [pid 5066] rmdir("./74" [pid 6006] <... mknod resumed>) = 0 [pid 6004] <... futex resumed>) = 0 [pid 6006] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] getdents64(4, [pid 5066] <... rmdir resumed>) = 0 [pid 6006] <... futex resumed>) = 0 [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6006] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6004] <... futex resumed>) = 0 [pid 6006] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6004] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] mkdir("./75", 0777 [pid 5067] getdents64(4, [pid 6007] <... mount resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6006] <... open resumed>) = 4 [pid 5067] close(4) = 0 [pid 5067] rmdir("./74/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6009] <... write resumed>) = 524288 [pid 6007] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6006] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] <... openat resumed>) = 3 [pid 5066] <... mkdir resumed>) = 0 [pid 6006] <... futex resumed>) = 1 [pid 6004] <... futex resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 6009] munmap(0x7fdb7f81d000, 138412032 [pid 6006] sync( [pid 6007] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6004] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6009] <... munmap resumed>) = 0 [pid 6004] <... futex resumed>) = 0 [pid 5067] umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6007] <... chdir resumed>) = 0 [pid 6004] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... openat resumed>) = 3 [pid 6007] ioctl(4, LOOP_CLR_FD) = 0 [pid 6007] close(4 [pid 6009] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6007] <... close resumed>) = 0 [pid 6009] <... openat resumed>) = 4 [pid 6007] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] newfstatat(AT_FDCWD, "./74/binderfs", [pid 5066] ioctl(3, LOOP_CLR_FD [pid 6009] ioctl(4, LOOP_SET_FD, 3 [pid 6007] <... futex resumed>) = 1 [pid 6005] <... sync resumed>) = 0 [pid 6003] <... futex resumed>) = 0 [pid 6009] <... ioctl resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6003] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] unlink("./74/binderfs" [pid 5066] close(3 [pid 6003] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6007] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5066] <... close resumed>) = 0 [pid 6007] <... mknod resumed>) = 0 [pid 6005] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... unlink resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6005] <... futex resumed>) = 0 [pid 6007] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6007] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] <... futex resumed>) = 0 [pid 6003] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6002] exit_group(0 [pid 6003] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... exit_group resumed>) = ? [pid 6005] +++ exited with 0 +++ [pid 6009] close(3 [pid 6007] <... futex resumed>) = 0 [pid 6007] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000./strace-static-x86_64: Process 6010 attached [pid 6009] <... close resumed>) = 0 [pid 6006] <... sync resumed>) = 0 [pid 6007] <... open resumed>) = 4 [pid 6002] +++ exited with 0 +++ [pid 5067] getdents64(3, [pid 6010] set_robust_list(0x5555556c56a0, 24 [pid 6006] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6010 [pid 6010] <... set_robust_list resumed>) = 0 [pid 6007] <... futex resumed>) = 1 [pid 6004] <... futex resumed>) = 0 [pid 6003] <... futex resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6006] <... futex resumed>) = 1 [pid 6004] exit_group(0 [pid 6003] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] close(3 [pid 6007] sync( [pid 6004] <... exit_group resumed>) = ? [pid 6003] <... futex resumed>) = 0 [pid 6006] +++ exited with 0 +++ [pid 6003] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6002, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6009] <... mkdir resumed>) = 0 [pid 6009] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] <... close resumed>) = 0 [pid 6010] chdir("./75" [pid 5067] rmdir("./74" [pid 5068] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6010] <... chdir resumed>) = 0 [pid 6009] <... mount resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6009] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] <... openat resumed>) = 3 [pid 5067] <... rmdir resumed>) = 0 [pid 6009] <... openat resumed>) = 3 [pid 5068] newfstatat(3, "", [pid 6010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6009] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] mkdir("./75", 0777 [pid 6010] <... prctl resumed>) = 0 [pid 6009] <... chdir resumed>) = 0 [ 163.827185][ T6009] loop5: detected capacity change from 0 to 1024 [pid 6004] +++ exited with 0 +++ [pid 5068] getdents64(3, [pid 6010] setpgid(0, 0 [pid 6009] ioctl(4, LOOP_CLR_FD [pid 5067] <... mkdir resumed>) = 0 [pid 6010] <... setpgid resumed>) = 0 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6004, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6009] <... ioctl resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6009] close(4 [pid 5068] umount2("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6009] <... close resumed>) = 0 [pid 5064] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6010] <... openat resumed>) = 3 [pid 6007] <... sync resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6010] write(3, "1000", 4 [pid 6009] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... openat resumed>) = 3 [pid 5064] <... openat resumed>) = 3 [pid 6010] <... write resumed>) = 4 [pid 6009] <... futex resumed>) = 1 [pid 6008] <... futex resumed>) = 0 [pid 6007] <... futex resumed>) = 1 [pid 6003] <... futex resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5064] newfstatat(3, "", [pid 6010] close(3 [pid 6009] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6008] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... close resumed>) = 0 [pid 6009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6007] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] exit_group(0 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6010] symlink("/dev/binderfs", "./binderfs" [pid 6003] <... exit_group resumed>) = ? [pid 5067] close(3 [pid 5064] getdents64(3, [pid 6010] <... symlink resumed>) = 0 [pid 6009] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6008] <... futex resumed>) = 0 [pid 6007] <... futex resumed>) = ? [pid 5067] <... close resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6010] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] umount2("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6009] <... mknod resumed>) = 0 [pid 6008] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... futex resumed>) = 0 [pid 6009] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = 0 [pid 6010] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 6010] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6009] <... futex resumed>) = 1 [pid 6008] <... futex resumed>) = 0 [pid 6009] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6008] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6011 ./strace-static-x86_64: Process 6011 attached [pid 6010] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6008] <... futex resumed>) = 0 [pid 6011] set_robust_list(0x5555556c56a0, 24 [pid 6008] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6011] <... set_robust_list resumed>) = 0 [pid 6011] chdir("./75") = 0 [pid 6010] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5068] umount2("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6011] <... prctl resumed>) = 0 [pid 6010] <... mprotect resumed>) = 0 [pid 6011] setpgid(0, 0) = 0 [pid 6010] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] newfstatat(AT_FDCWD, "./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6011] <... openat resumed>) = 3 [pid 6007] +++ exited with 0 +++ [pid 6003] +++ exited with 0 +++ [pid 5068] umount2("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6009] <... open resumed>) = 4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6003, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6011] write(3, "1000", 4 [pid 6009] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6011] <... write resumed>) = 4 [pid 6010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6009] <... futex resumed>) = 1 [pid 6008] <... futex resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6012 attached [pid 6011] close(3 [pid 6009] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6008] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 4 [pid 6012] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6011] <... close resumed>) = 0 [pid 6010] <... clone3 resumed> => {parent_tid=[6012]}, 88) = 6012 [pid 6009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6008] <... futex resumed>) = 0 [pid 5065] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6012] <... rseq resumed>) = 0 [pid 6011] symlink("/dev/binderfs", "./binderfs" [pid 6010] rt_sigprocmask(SIG_SETMASK, [], [pid 6009] sync( [pid 6008] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(4, "", [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6012] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6011] <... symlink resumed>) = 0 [pid 6010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... umount2 resumed>) = 0 [pid 6012] <... set_robust_list resumed>) = 0 [pid 6010] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6012] rt_sigprocmask(SIG_SETMASK, [], [pid 6010] <... futex resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 6010] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5065] newfstatat(3, "", [pid 6012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6011] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6011] <... futex resumed>) = 0 [pid 6012] memfd_create("syzkaller", 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6012] <... memfd_create resumed>) = 3 [pid 6011] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5068] getdents64(4, [pid 5065] getdents64(3, [pid 5064] umount2("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6011] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6011] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] close(4 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6012] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6009] <... sync resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] newfstatat(AT_FDCWD, "./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6009] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] umount2("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6011] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6009] <... futex resumed>) = 1 [pid 6008] <... futex resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6011] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6009] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6008] exit_group(0 [pid 5064] umount2("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6011] <... mprotect resumed>) = 0 [pid 6008] <... exit_group resumed>) = ? [pid 6009] <... futex resumed>) = ? [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6009] +++ exited with 0 +++ [pid 6008] +++ exited with 0 +++ [pid 5068] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] openat(AT_FDCWD, "./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6011] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6008, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... openat resumed>) = 4 [pid 6011] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6011] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5068] newfstatat(AT_FDCWD, "./76/binderfs", [pid 5064] newfstatat(4, "", [pid 5069] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6013 attached [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6013] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6011] <... clone3 resumed> => {parent_tid=[6013]}, 88) = 6013 [pid 5068] unlink("./76/binderfs" [pid 6013] <... rseq resumed>) = 0 [pid 6013] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6011] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... unlink resumed>) = 0 [pid 6013] <... set_robust_list resumed>) = 0 [pid 6011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6011] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] rt_sigprocmask(SIG_SETMASK, [], [pid 6011] <... futex resumed>) = 0 [pid 6013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6011] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5068] getdents64(3, [pid 6013] memfd_create("syzkaller", 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6013] <... memfd_create resumed>) = 3 [pid 5068] close(3 [pid 6012] 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"..., 524288 [pid 5069] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... close resumed>) = 0 [pid 6013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5068] rmdir("./76" [pid 6013] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] <... rmdir resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] mkdir("./77", 0777 [pid 6013] 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"..., 524288 [pid 6012] <... write resumed>) = 524288 [pid 5069] newfstatat(3, "", [pid 5065] <... umount2 resumed>) = 0 [pid 5064] getdents64(4, [pid 6012] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5065] umount2("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6012] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] getdents64(3, [pid 5064] getdents64(4, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] close(4 [pid 5065] newfstatat(AT_FDCWD, "./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6012] <... openat resumed>) = 4 [pid 5069] umount2("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... close resumed>) = 0 [pid 6012] ioctl(4, LOOP_SET_FD, 3 [pid 5064] rmdir("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] umount2("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5065] openat(AT_FDCWD, "./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... openat resumed>) = 3 [pid 5065] <... openat resumed>) = 4 [pid 5064] <... rmdir resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5065] newfstatat(4, "", [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] close(3 [pid 5065] getdents64(4, [pid 5068] <... close resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] getdents64(4, [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] close(4) = 0 [pid 5065] rmdir("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6013] <... write resumed>) = 524288 [pid 5065] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6014 attached [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6014 [pid 5065] newfstatat(AT_FDCWD, "./75/binderfs", [pid 6014] set_robust_list(0x5555556c56a0, 24 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] newfstatat(AT_FDCWD, "./76/binderfs", [pid 6014] <... set_robust_list resumed>) = 0 [pid 6013] munmap(0x7fdb7f81d000, 138412032 [pid 5065] unlink("./75/binderfs" [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6014] chdir("./77" [pid 6013] <... munmap resumed>) = 0 [pid 5065] <... unlink resumed>) = 0 [pid 5064] unlink("./76/binderfs" [pid 6014] <... chdir resumed>) = 0 [pid 5065] getdents64(3, [pid 6013] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6013] <... openat resumed>) = 4 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6014] <... prctl resumed>) = 0 [pid 5065] close(3 [pid 6014] setpgid(0, 0 [pid 6013] ioctl(4, LOOP_SET_FD, 3 [pid 5065] <... close resumed>) = 0 [pid 6014] <... setpgid resumed>) = 0 [pid 5064] <... unlink resumed>) = 0 [pid 6014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] rmdir("./75" [pid 6014] <... openat resumed>) = 3 [pid 6012] <... ioctl resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5064] getdents64(3, [pid 6012] close(3) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6014] write(3, "1000", 4 [pid 6012] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5065] mkdir("./76", 0777 [pid 5064] close(3 [pid 6014] <... write resumed>) = 4 [pid 6012] <... mkdir resumed>) = 0 [pid 5065] <... mkdir resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 6014] close(3 [pid 6013] <... ioctl resumed>) = 0 [pid 6012] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] <... umount2 resumed>) = 0 [pid 5064] rmdir("./76" [pid 6014] <... close resumed>) = 0 [pid 6014] symlink("/dev/binderfs", "./binderfs" [pid 6013] close(3 [pid 5069] umount2("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... rmdir resumed>) = 0 [pid 6014] <... symlink resumed>) = 0 [pid 6013] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6014] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] newfstatat(AT_FDCWD, "./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] <... openat resumed>) = 3 [pid 5064] mkdir("./77", 0777 [pid 6014] <... futex resumed>) = 0 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 6014] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6013] <... mkdir resumed>) = 0 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6014] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6013] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 6014] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] umount2("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] close(3 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] openat(AT_FDCWD, "./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... close resumed>) = 0 [pid 6014] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... openat resumed>) = 3 [ 164.022207][ T6012] loop2: detected capacity change from 0 to 1024 [ 164.046458][ T6013] loop3: detected capacity change from 0 to 1024 [pid 6014] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5069] <... openat resumed>) = 4 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 6014] <... mprotect resumed>) = 0 [pid 6013] <... mount resumed>) = 0 [pid 5069] newfstatat(4, "", [pid 6013] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6014] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6013] <... openat resumed>) = 3 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] close(3 [pid 6013] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] getdents64(4, [pid 5064] <... close resumed>) = 0 [pid 6013] <... chdir resumed>) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6014] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6012] <... mount resumed>) = 0 [pid 6014] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6012] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6015 ./strace-static-x86_64: Process 6016 attached ./strace-static-x86_64: Process 6015 attached [pid 6013] ioctl(4, LOOP_CLR_FD [pid 6012] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6015] set_robust_list(0x5555556c56a0, 24 [pid 6014] <... clone3 resumed> => {parent_tid=[6017]}, 88) = 6017 [pid 6013] <... ioctl resumed>) = 0 [pid 6012] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] getdents64(4, [pid 6016] set_robust_list(0x5555556c56a0, 24 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6016 [pid 6016] <... set_robust_list resumed>) = 0 [pid 6015] <... set_robust_list resumed>) = 0 [pid 6014] rt_sigprocmask(SIG_SETMASK, [], [pid 6013] close(4 [pid 6012] <... chdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6017 attached [pid 6015] chdir("./76" [pid 6014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6013] <... close resumed>) = 0 [pid 6012] ioctl(4, LOOP_CLR_FD [pid 6016] chdir("./77" [pid 5069] close(4 [pid 6017] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6015] <... chdir resumed>) = 0 [pid 6014] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... ioctl resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 6017] <... rseq resumed>) = 0 [pid 6016] <... chdir resumed>) = 0 [pid 6015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6014] <... futex resumed>) = 0 [pid 6013] <... futex resumed>) = 1 [pid 5069] rmdir("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6016] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6015] <... prctl resumed>) = 0 [pid 6013] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6017] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6015] setpgid(0, 0 [pid 6014] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6012] close(4 [pid 6011] <... futex resumed>) = 0 [pid 6017] <... set_robust_list resumed>) = 0 [pid 6012] <... close resumed>) = 0 [pid 6011] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] rt_sigprocmask(SIG_SETMASK, [], [pid 6016] <... prctl resumed>) = 0 [pid 6015] <... setpgid resumed>) = 0 [pid 6013] <... futex resumed>) = 0 [pid 6012] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... futex resumed>) = 1 [pid 5069] <... rmdir resumed>) = 0 [pid 6017] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6016] setpgid(0, 0 [pid 6015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6013] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6012] <... futex resumed>) = 1 [pid 6010] <... futex resumed>) = 0 [pid 5069] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6010] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6010] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6017] memfd_create("syzkaller", 0 [pid 6012] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6017] <... memfd_create resumed>) = 3 [pid 6012] <... mknod resumed>) = 0 [pid 6017] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 6016] <... setpgid resumed>) = 0 [pid 6013] <... mknod resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6015] <... openat resumed>) = 3 [pid 6013] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] newfstatat(AT_FDCWD, "./75/binderfs", [pid 6013] <... futex resumed>) = 0 [pid 6012] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6016] <... openat resumed>) = 3 [pid 6015] write(3, "1000", 4 [pid 6013] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] <... futex resumed>) = 1 [pid 6011] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = 0 [pid 5069] unlink("./75/binderfs" [pid 6017] 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"..., 524288 [pid 6016] write(3, "1000", 4 [pid 6015] <... write resumed>) = 4 [pid 6013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6012] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6015] close(3 [pid 6010] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... unlink resumed>) = 0 [pid 6017] <... write resumed>) = 524288 [pid 6012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6011] <... futex resumed>) = 0 [pid 6016] <... write resumed>) = 4 [pid 6015] <... close resumed>) = 0 [pid 6010] <... futex resumed>) = 0 [pid 5069] getdents64(3, [pid 6015] symlink("/dev/binderfs", "./binderfs" [pid 6010] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] close(3 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6016] <... close resumed>) = 0 [pid 6015] <... symlink resumed>) = 0 [pid 6012] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6011] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] close(3 [pid 6016] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... close resumed>) = 0 [pid 6016] <... symlink resumed>) = 0 [pid 5069] rmdir("./75" [pid 6016] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... rmdir resumed>) = 0 [pid 6015] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6016] <... futex resumed>) = 0 [pid 6015] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 6015] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6016] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6016] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6017] munmap(0x7fdb7f81d000, 138412032 [pid 6016] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6015] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6012] <... open resumed>) = 4 [pid 5069] mkdir("./76", 0777 [pid 6017] <... munmap resumed>) = 0 [pid 6016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6015] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6013] <... open resumed>) = 4 [pid 6012] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6015] <... mprotect resumed>) = 0 [pid 6013] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = 1 [pid 6010] <... futex resumed>) = 0 [pid 6017] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6015] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6013] <... futex resumed>) = 1 [pid 6012] sync( [pid 6011] <... futex resumed>) = 0 [pid 6010] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6017] <... openat resumed>) = 4 [pid 6015] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6013] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... mkdir resumed>) = 0 [pid 6017] ioctl(4, LOOP_SET_FD, 3 [pid 6016] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6010] <... futex resumed>) = 0 [pid 6011] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR./strace-static-x86_64: Process 6018 attached [pid 6016] <... mprotect resumed>) = 0 [pid 6013] sync( [pid 6011] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... openat resumed>) = 3 [pid 6018] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6016] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6015] <... clone3 resumed> => {parent_tid=[6018]}, 88) = 6018 [pid 6018] <... rseq resumed>) = 0 [pid 6016] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6015] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] ioctl(3, LOOP_CLR_FD [pid 6018] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6016] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6018] <... set_robust_list resumed>) = 0 [pid 6018] rt_sigprocmask(SIG_SETMASK, [], [pid 6016] <... clone3 resumed> => {parent_tid=[6019]}, 88) = 6019 [pid 6015] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] close(3 [pid 6018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6016] rt_sigprocmask(SIG_SETMASK, [], [pid 6015] <... futex resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 6018] memfd_create("syzkaller", 0 [pid 6016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6015] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6019 attached [pid 6016] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6018] <... memfd_create resumed>) = 3 [pid 6016] <... futex resumed>) = 0 [pid 6018] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6016] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6019] <... rseq resumed>) = 0 [pid 6019] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6018] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6017] <... ioctl resumed>) = 0 [pid 6019] <... set_robust_list resumed>) = 0 [pid 6017] close(3 [pid 6019] rt_sigprocmask(SIG_SETMASK, [], [pid 6017] <... close resumed>) = 0 [pid 6012] <... sync resumed>) = 0 [pid 6017] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6013] <... sync resumed>) = 0 [pid 6012] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6020 attached [pid 6019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6012] <... futex resumed>) = 1 [pid 6010] <... futex resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6020 [pid 6013] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] exit_group(0 [pid 6019] memfd_create("syzkaller", 0 [pid 6013] <... futex resumed>) = 1 [pid 6012] <... futex resumed>) = ? [pid 6011] <... futex resumed>) = 0 [pid 6010] <... exit_group resumed>) = ? [pid 6020] set_robust_list(0x5555556c56a0, 24 [pid 6019] <... memfd_create resumed>) = 3 [pid 6018] 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"..., 524288 [pid 6017] <... mkdir resumed>) = 0 [pid 6013] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] +++ exited with 0 +++ [pid 6011] exit_group(0 [pid 6010] +++ exited with 0 +++ [pid 6020] <... set_robust_list resumed>) = 0 [pid 6019] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6017] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6013] <... futex resumed>) = ? [pid 6011] <... exit_group resumed>) = ? [pid 6020] chdir("./76" [pid 6019] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6013] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6010, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5066] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5066] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5066] newfstatat(3, "", [pid 6011] +++ exited with 0 +++ [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6020] <... chdir resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6011, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5067] umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5066] getdents64(3, [pid 6020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6020] setpgid(0, 0 [pid 5067] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] <... openat resumed>) = 3 [pid 5066] umount2("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6020] <... setpgid resumed>) = 0 [pid 6020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 164.212976][ T6017] loop4: detected capacity change from 0 to 1024 [pid 6019] 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"..., 524288 [pid 5067] getdents64(3, [pid 6020] <... openat resumed>) = 3 [pid 6018] <... write resumed>) = 524288 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] umount2("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6018] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 6020] write(3, "1000", 4 [pid 6019] <... write resumed>) = 524288 [pid 6017] <... mount resumed>) = 0 [pid 5066] <... umount2 resumed>) = 0 [pid 6020] <... write resumed>) = 4 [pid 6019] munmap(0x7fdb7f81d000, 138412032 [pid 6018] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6017] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5066] umount2("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6017] <... openat resumed>) = 3 [pid 6020] close(3 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6020] <... close resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6017] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6020] symlink("/dev/binderfs", "./binderfs" [pid 6018] <... openat resumed>) = 4 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6020] <... symlink resumed>) = 0 [pid 6019] <... munmap resumed>) = 0 [pid 6018] ioctl(4, LOOP_SET_FD, 3 [pid 6017] <... chdir resumed>) = 0 [pid 5066] umount2("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6020] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6018] <... ioctl resumed>) = 0 [pid 6017] ioctl(4, LOOP_CLR_FD [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6020] <... futex resumed>) = 0 [pid 6019] <... openat resumed>) = 4 [pid 5067] <... umount2 resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6019] ioctl(4, LOOP_SET_FD, 3 [pid 6020] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6017] <... ioctl resumed>) = 0 [pid 5066] newfstatat(4, "", [pid 6020] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6020] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6017] close(4 [pid 6020] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6017] <... close resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6017] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] getdents64(4, [pid 6020] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6017] <... futex resumed>) = 1 [pid 6014] <... futex resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6017] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6014] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6014] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6020] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5066] close(4) = 0 [pid 5066] rmdir("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6020] <... mprotect resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5067] umount2("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] newfstatat(AT_FDCWD, "./75/binderfs", [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6020] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] umount2("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6020] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] unlink("./75/binderfs" [pid 6020] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6018] close(3 [pid 5067] openat(AT_FDCWD, "./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... unlink resumed>) = 0 [pid 6018] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5066] getdents64(3, [pid 6019] <... ioctl resumed>) = 0 [pid 6018] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5067] newfstatat(4, "", [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6021 attached [pid 6019] close(3 [pid 6018] <... mkdir resumed>) = 0 [pid 6017] <... mknod resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] close(3 [pid 6021] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6020] <... clone3 resumed> => {parent_tid=[6021]}, 88) = 6021 [pid 6019] <... close resumed>) = 0 [pid 5067] getdents64(4, [pid 5066] <... close resumed>) = 0 [pid 6021] <... rseq resumed>) = 0 [pid 6020] rt_sigprocmask(SIG_SETMASK, [], [pid 6019] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6018] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6017] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] rmdir("./75" [pid 6021] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6020] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6019] <... mkdir resumed>) = 0 [pid 5067] getdents64(4, [pid 5066] <... rmdir resumed>) = 0 [pid 6021] <... set_robust_list resumed>) = 0 [pid 6020] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... futex resumed>) = 1 [pid 6014] <... futex resumed>) = 0 [pid 6021] rt_sigprocmask(SIG_SETMASK, [], [pid 6014] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] mkdir("./76", 0777 [pid 6021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] close(4 [pid 5066] <... mkdir resumed>) = 0 [pid 6021] memfd_create("syzkaller", 0 [pid 6020] <... futex resumed>) = 0 [ 164.297070][ T6018] loop1: detected capacity change from 0 to 1024 [ 164.313142][ T6019] loop0: detected capacity change from 0 to 1024 [pid 6019] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6017] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6014] <... futex resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 6021] <... memfd_create resumed>) = 3 [pid 6020] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6021] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6014] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] rmdir("./75/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] <... openat resumed>) = 3 [pid 6021] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5067] <... rmdir resumed>) = 0 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 6021] 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"..., 524288 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6019] <... mount resumed>) = 0 [pid 6018] <... mount resumed>) = 0 [pid 5067] umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6019] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6018] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6017] <... open resumed>) = 4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] close(3 [pid 6019] <... openat resumed>) = 3 [pid 6017] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] newfstatat(AT_FDCWD, "./75/binderfs", [pid 5066] <... close resumed>) = 0 [pid 6019] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6018] <... openat resumed>) = 3 [pid 6017] <... futex resumed>) = 1 [pid 6014] <... futex resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] unlink("./75/binderfs" [pid 6019] <... chdir resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 6019] ioctl(4, LOOP_CLR_FD [pid 5067] getdents64(3, [pid 6019] <... ioctl resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6019] close(4 [pid 5067] close(3 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6022 [pid 6019] <... close resumed>) = 0 [pid 6017] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6014] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... close resumed>) = 0 [pid 6019] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6014] <... futex resumed>) = 0 [pid 6019] <... futex resumed>) = 1 [pid 6018] <... chdir resumed>) = 0 [pid 6017] sync( [pid 6016] <... futex resumed>) = 0 [pid 5067] rmdir("./75"./strace-static-x86_64: Process 6022 attached [pid 6021] <... write resumed>) = 524288 [pid 6019] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] ioctl(4, LOOP_CLR_FD [pid 6016] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... rmdir resumed>) = 0 [pid 6022] set_robust_list(0x5555556c56a0, 24 [pid 6019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6018] <... ioctl resumed>) = 0 [pid 6022] <... set_robust_list resumed>) = 0 [pid 6019] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6018] close(4 [pid 6016] <... futex resumed>) = 0 [pid 5067] mkdir("./76", 0777 [pid 6022] chdir("./76" [pid 6019] <... mknod resumed>) = 0 [pid 6018] <... close resumed>) = 0 [pid 6016] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] <... chdir resumed>) = 0 [pid 6018] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... mkdir resumed>) = 0 [pid 6022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6019] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 6018] <... futex resumed>) = 1 [pid 6022] <... prctl resumed>) = 0 [pid 6019] <... futex resumed>) = 1 [pid 6022] setpgid(0, 0 [pid 6019] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6022] <... setpgid resumed>) = 0 [pid 6021] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6021] <... openat resumed>) = 4 [pid 6018] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] ioctl(4, LOOP_SET_FD, 3 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6022] <... openat resumed>) = 3 [pid 6016] <... futex resumed>) = 0 [pid 6015] <... futex resumed>) = 0 [pid 6014] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] <... openat resumed>) = 3 [pid 6016] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 6022] write(3, "1000", 4 [pid 6019] <... futex resumed>) = 0 [pid 6018] <... futex resumed>) = 0 [pid 6016] <... futex resumed>) = 1 [pid 6015] <... futex resumed>) = 1 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6018] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6022] <... write resumed>) = 4 [pid 6019] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6016] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] close(3 [pid 6022] close(3 [pid 6018] <... mknod resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 6022] <... close resumed>) = 0 [pid 6019] <... open resumed>) = 4 [pid 6018] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6022] symlink("/dev/binderfs", "./binderfs" [pid 6019] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] <... futex resumed>) = 1 [pid 6015] <... futex resumed>) = 0 [pid 6022] <... symlink resumed>) = 0 [pid 6019] <... futex resumed>) = 1 [pid 6016] <... futex resumed>) = 0 [pid 6015] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6023 attached [pid 6022] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] sync( [pid 6018] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6016] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... futex resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6023 [pid 6022] <... futex resumed>) = 0 [pid 6016] <... futex resumed>) = 0 [pid 6022] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6015] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] set_robust_list(0x5555556c56a0, 24 [pid 6022] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6021] <... ioctl resumed>) = 0 [pid 6017] <... sync resumed>) = 0 [pid 6016] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] <... set_robust_list resumed>) = 0 [pid 6022] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6023] chdir("./76" [pid 6022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6023] <... chdir resumed>) = 0 [pid 6022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6021] close(3 [pid 6023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6022] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6021] <... close resumed>) = 0 [pid 6023] <... prctl resumed>) = 0 [pid 6022] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6021] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6023] setpgid(0, 0 [pid 6022] <... mprotect resumed>) = 0 [pid 6021] <... mkdir resumed>) = 0 [pid 6023] <... setpgid resumed>) = 0 [pid 6022] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6021] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [ 164.460641][ T6021] loop5: detected capacity change from 0 to 1024 [pid 6023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6022] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6017] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... openat resumed>) = 3 [pid 6022] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6023] write(3, "1000", 4 [pid 6017] <... futex resumed>) = 0 [pid 6014] exit_group(0) = ? [pid 6023] <... write resumed>) = 4 [pid 6022] <... clone3 resumed> => {parent_tid=[6024]}, 88) = 6024 [pid 6023] close(3 [pid 6022] rt_sigprocmask(SIG_SETMASK, [], [pid 6017] +++ exited with 0 +++ [pid 6014] +++ exited with 0 +++ [pid 6023] <... close resumed>) = 0 [pid 6022] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6024 attached [pid 6023] symlink("/dev/binderfs", "./binderfs" [pid 6022] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6014, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6024] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6023] <... symlink resumed>) = 0 [pid 6022] <... futex resumed>) = 0 [pid 6022] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6024] <... rseq resumed>) = 0 [pid 6023] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] <... mount resumed>) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 6024] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 6024] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6024] memfd_create("syzkaller", 0 [pid 6021] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6024] <... memfd_create resumed>) = 3 [pid 6023] <... futex resumed>) = 0 [pid 6021] <... openat resumed>) = 3 [pid 6018] <... open resumed>) = 4 [pid 6015] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6024] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6023] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6015] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6023] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6018] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... futex resumed>) = 0 [pid 5068] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6024] 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"..., 524288 [pid 6023] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6019] <... sync resumed>) = 0 [pid 6016] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6015] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6019] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6015] <... mmap resumed>) = 0x7fdb87bfc000 [pid 6023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6021] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6019] <... futex resumed>) = 0 [pid 6018] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 6023] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6021] <... chdir resumed>) = 0 [pid 6019] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6016] exit_group(0 [pid 6015] mprotect(0x7fdb87bfd000, 131072, PROT_READ|PROT_WRITE [pid 5068] newfstatat(3, "", [pid 6023] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6021] ioctl(4, LOOP_CLR_FD [pid 6019] <... futex resumed>) = ? [pid 6016] <... exit_group resumed>) = ? [pid 6015] <... mprotect resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6023] <... mprotect resumed>) = 0 [pid 6021] <... ioctl resumed>) = 0 [pid 6019] +++ exited with 0 +++ [pid 6016] +++ exited with 0 +++ [pid 6023] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6021] close(4 [pid 6015] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] getdents64(3, [pid 6024] <... write resumed>) = 524288 [pid 6023] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6021] <... close resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6016, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5068] umount2("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6021] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] restart_syscall(<... resuming interrupted clone ...> [pid 6021] <... futex resumed>) = 1 [pid 6015] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6021] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] <... futex resumed>) = 0 [pid 6015] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c1c990, parent_tid=0x7fdb87c1c990, exit_signal=0, stack=0x7fdb87bfc000, stack_size=0x20300, tls=0x7fdb87c1c6c0} [pid 5064] <... restart_syscall resumed>) = 0 [pid 6023] <... clone3 resumed> => {parent_tid=[6025]}, 88) = 6025 ./strace-static-x86_64: Process 6025 attached [pid 6023] rt_sigprocmask(SIG_SETMASK, [], [pid 6015] <... clone3 resumed> => {parent_tid=[6026]}, 88) = 6026 [pid 6020] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6021] <... futex resumed>) = 0 [pid 6020] <... futex resumed>) = 1 [pid 6015] rt_sigprocmask(SIG_SETMASK, [], [pid 5064] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6025] <... rseq resumed>) = 0 [pid 6023] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6020] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6023] <... futex resumed>) = 0 [pid 6015] futex(0x7fdb87d096b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6026 attached [pid 6023] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6021] <... mknod resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6026] rseq(0x7fdb87c1cfe0, 0x20, 0, 0x53053053 [pid 6025] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6015] <... futex resumed>) = 0 [pid 6026] <... rseq resumed>) = 0 [pid 6015] futex(0x7fdb87d096bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6026] set_robust_list(0x7fdb87c1c9a0, 24) = 0 [pid 6026] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6026] sync( [pid 6025] <... set_robust_list resumed>) = 0 [pid 6021] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6025] rt_sigprocmask(SIG_SETMASK, [], [pid 6021] <... futex resumed>) = 1 [pid 6020] <... futex resumed>) = 0 [pid 6025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] <... openat resumed>) = 3 [pid 6021] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6020] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] memfd_create("syzkaller", 0 [pid 6024] munmap(0x7fdb7f81d000, 138412032 [pid 6020] <... futex resumed>) = 0 [pid 6025] <... memfd_create resumed>) = 3 [pid 6024] <... munmap resumed>) = 0 [pid 6020] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] newfstatat(3, "", [pid 6025] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 6024] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6024] <... openat resumed>) = 4 [pid 6021] <... open resumed>) = 4 [pid 6024] ioctl(4, LOOP_SET_FD, 3 [pid 6021] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] getdents64(3, [pid 6025] 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"..., 524288 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6021] <... futex resumed>) = 1 [pid 6020] <... futex resumed>) = 0 [pid 5064] umount2("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6020] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] sync( [pid 6020] <... futex resumed>) = 0 [pid 6020] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6026] <... sync resumed>) = 0 [pid 6026] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6015] <... futex resumed>) = 0 [pid 6015] exit_group(0) = ? [pid 6018] <... futex resumed>) = ? [pid 6018] +++ exited with 0 +++ [pid 6024] <... ioctl resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 6026] +++ exited with 0 +++ [pid 6015] +++ exited with 0 +++ [pid 5068] umount2("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... umount2 resumed>) = 0 [pid 6025] <... write resumed>) = 524288 [pid 6024] close(3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 164.650226][ T6024] loop2: detected capacity change from 0 to 1024 [pid 5064] umount2("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6021] <... sync resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6015, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6024] <... close resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] newfstatat(AT_FDCWD, "./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6024] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6021] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] umount2("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6021] <... futex resumed>) = 0 [pid 6024] <... mkdir resumed>) = 0 [pid 6021] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6020] exit_group(0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] umount2("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6020] <... exit_group resumed>) = ? [pid 6021] <... futex resumed>) = ? [pid 5068] openat(AT_FDCWD, "./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... openat resumed>) = 3 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... openat resumed>) = 4 [pid 5064] openat(AT_FDCWD, "./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6024] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5068] newfstatat(4, "", [pid 6021] +++ exited with 0 +++ [pid 6020] +++ exited with 0 +++ [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] newfstatat(3, "", [pid 5064] <... openat resumed>) = 4 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6020, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5068] getdents64(4, [pid 5064] newfstatat(4, "", [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6025] munmap(0x7fdb7f81d000, 138412032 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(3, [pid 6025] <... munmap resumed>) = 0 [pid 5069] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(4, [pid 5064] getdents64(4, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5069] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] close(4 [pid 6025] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5065] umount2("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6025] <... openat resumed>) = 4 [pid 5069] newfstatat(3, "", [pid 5068] rmdir("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6025] ioctl(4, LOOP_SET_FD, 3 [pid 6024] <... mount resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5064] getdents64(4, [pid 6025] <... ioctl resumed>) = 0 [pid 6024] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] getdents64(3, [pid 5068] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] close(4 [pid 6024] <... openat resumed>) = 3 [pid 5069] umount2("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(AT_FDCWD, "./77/binderfs", [pid 5065] <... umount2 resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6024] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] unlink("./77/binderfs" [pid 6024] <... chdir resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 6024] ioctl(4, LOOP_CLR_FD) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 6024] close(4 [pid 5064] rmdir("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] umount2("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6024] <... close resumed>) = 0 [pid 5068] getdents64(3, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... rmdir resumed>) = 0 [pid 6024] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] newfstatat(AT_FDCWD, "./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6024] <... futex resumed>) = 1 [pid 6022] <... futex resumed>) = 0 [pid 5068] close(3 [pid 6024] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6022] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6025] close(3 [pid 6024] <... mknod resumed>) = 0 [pid 6022] <... futex resumed>) = 0 [pid 5069] umount2("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] rmdir("./77" [pid 5065] umount2("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] newfstatat(AT_FDCWD, "./77/binderfs", [pid 6025] <... close resumed>) = 0 [pid 6024] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... rmdir resumed>) = 0 [pid 6025] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6024] <... futex resumed>) = 0 [pid 6022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5069] newfstatat(AT_FDCWD, "./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6025] <... mkdir resumed>) = 0 [pid 6024] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6022] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] mkdir("./78", 0777 [pid 5065] openat(AT_FDCWD, "./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 164.766960][ T6025] loop3: detected capacity change from 0 to 1024 [pid 6022] <... futex resumed>) = 0 [pid 5069] umount2("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6025] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6024] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6022] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... mkdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... openat resumed>) = 4 [pid 5064] unlink("./77/binderfs" [pid 5069] <... openat resumed>) = 4 [pid 5065] newfstatat(4, "", [pid 5069] newfstatat(4, "", [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5064] <... unlink resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5064] getdents64(3, [pid 5069] getdents64(4, [pid 5068] ioctl(3, LOOP_CLR_FD) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6025] <... mount resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] close(3 [pid 6025] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5064] close(3 [pid 6025] <... openat resumed>) = 3 [pid 5069] getdents64(4, [pid 5068] <... close resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6025] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] <... close resumed>) = 0 [pid 6025] <... chdir resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] rmdir("./77" [pid 6025] ioctl(4, LOOP_CLR_FD) = 0 [pid 5069] close(4 [pid 5064] <... rmdir resumed>) = 0 [pid 6024] <... open resumed>) = 4 [pid 6025] close(4 [pid 6024] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] mkdir("./78", 0777 [pid 6025] <... close resumed>) = 0 [pid 5065] getdents64(4, [pid 6025] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... close resumed>) = 0 [pid 6025] <... futex resumed>) = 1 [pid 6024] <... futex resumed>) = 1 [pid 6023] <... futex resumed>) = 0 [pid 6022] <... futex resumed>) = 0 [pid 5069] rmdir("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... mkdir resumed>) = 0 [pid 6023] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... rmdir resumed>) = 0 [pid 6025] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6023] <... futex resumed>) = 0 [pid 5069] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6027 [pid 6025] <... mknod resumed>) = 0 [pid 6023] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./76/binderfs", ./strace-static-x86_64: Process 6027 attached [pid 6025] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6025] <... futex resumed>) = 1 [pid 6023] <... futex resumed>) = 0 [pid 5069] unlink("./76/binderfs" [pid 6025] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6023] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... futex resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 6027] set_robust_list(0x5555556c56a0, 24 [pid 6024] sync( [pid 6023] <... futex resumed>) = 0 [pid 6027] <... set_robust_list resumed>) = 0 [pid 6023] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] getdents64(3, [pid 5065] getdents64(4, [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6027] chdir("./78" [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6027] <... chdir resumed>) = 0 [pid 5069] close(3 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] <... openat resumed>) = 3 [pid 6027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... close resumed>) = 0 [pid 6027] <... prctl resumed>) = 0 [pid 5069] rmdir("./76" [pid 6027] setpgid(0, 0 [pid 5069] <... rmdir resumed>) = 0 [pid 6027] <... setpgid resumed>) = 0 [pid 5065] close(4 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 6025] <... open resumed>) = 4 [pid 5069] mkdir("./77", 0777 [pid 6027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6025] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... close resumed>) = 0 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6027] <... openat resumed>) = 3 [pid 6025] <... futex resumed>) = 1 [pid 6023] <... futex resumed>) = 0 [pid 5065] rmdir("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6025] sync( [pid 6023] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... mkdir resumed>) = 0 [pid 5064] close(3 [pid 6027] write(3, "1000", 4 [pid 6023] <... futex resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 6023] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6027] <... write resumed>) = 4 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5064] <... close resumed>) = 0 [pid 6027] close(3 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6027] <... close resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 6027] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5065] newfstatat(AT_FDCWD, "./76/binderfs", [pid 6027] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] close(3 [pid 6027] <... futex resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 6027] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6027] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6027] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] unlink("./76/binderfs" [pid 6027] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6027] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6029 [pid 6027] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6029 attached [pid 6027] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6029] set_robust_list(0x5555556c56a0, 24) = 0 [pid 6029] chdir("./77" [pid 6027] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6022] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6029] <... chdir resumed>) = 0 [pid 6027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5065] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6030 attached ./strace-static-x86_64: Process 6028 attached [pid 6029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6024] <... sync resumed>) = 0 [pid 5065] getdents64(3, [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6028 [pid 6030] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053) = 0 [pid 6024] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6024] <... futex resumed>) = 0 [pid 6030] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6028] set_robust_list(0x5555556c56a0, 24 [pid 6029] <... prctl resumed>) = 0 [pid 6024] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] close(3 [pid 6022] exit_group(0 [pid 6030] <... set_robust_list resumed>) = 0 [pid 6027] <... clone3 resumed> => {parent_tid=[6030]}, 88) = 6030 [pid 6024] <... futex resumed>) = ? [pid 6022] <... exit_group resumed>) = ? [pid 5065] <... close resumed>) = 0 [pid 6024] +++ exited with 0 +++ [pid 6030] rt_sigprocmask(SIG_SETMASK, [], [pid 6028] <... set_robust_list resumed>) = 0 [pid 6029] setpgid(0, 0 [pid 6027] rt_sigprocmask(SIG_SETMASK, [], [pid 6028] chdir("./78" [pid 6029] <... setpgid resumed>) = 0 [pid 6027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6027] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] +++ exited with 0 +++ [pid 5065] rmdir("./76" [pid 6029] <... openat resumed>) = 3 [pid 6027] <... futex resumed>) = 0 [pid 6025] <... sync resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6022, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6030] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6028] <... chdir resumed>) = 0 [pid 6029] write(3, "1000", 4 [pid 5065] <... rmdir resumed>) = 0 [pid 6030] memfd_create("syzkaller", 0 [pid 6028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6029] <... write resumed>) = 4 [pid 6027] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6030] <... memfd_create resumed>) = 3 [pid 6028] <... prctl resumed>) = 0 [pid 6029] close(3 [pid 6030] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6028] setpgid(0, 0 [pid 6029] <... close resumed>) = 0 [pid 6025] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6030] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6028] <... setpgid resumed>) = 0 [pid 6029] symlink("/dev/binderfs", "./binderfs" [pid 6025] <... futex resumed>) = 0 [pid 6023] exit_group(0 [pid 5065] mkdir("./77", 0777 [pid 6028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6029] <... symlink resumed>) = 0 [pid 6023] <... exit_group resumed>) = ? [pid 6028] <... openat resumed>) = 3 [pid 6028] write(3, "1000", 4 [pid 6025] +++ exited with 0 +++ [pid 6023] +++ exited with 0 +++ [pid 5066] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6028] <... write resumed>) = 4 [pid 6029] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6028] close(3 [pid 6029] <... futex resumed>) = 0 [pid 6028] <... close resumed>) = 0 [pid 6029] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6023, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5066] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6030] 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"..., 524288 [pid 6028] symlink("/dev/binderfs", "./binderfs" [pid 6029] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... mkdir resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6028] <... symlink resumed>) = 0 [pid 6029] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... openat resumed>) = 3 [pid 6029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] newfstatat(3, "", [pid 6029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] <... openat resumed>) = 3 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6029] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5067] newfstatat(3, "", [pid 5066] getdents64(3, [pid 6029] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6028] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... mprotect resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... openat resumed>) = 3 [pid 6030] <... write resumed>) = 524288 [pid 6028] <... futex resumed>) = 0 [pid 6029] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6028] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5067] getdents64(3, [pid 5066] umount2("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6028] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6029] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6028] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5067] umount2("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6028] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6031 attached [pid 6028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6029] <... clone3 resumed> => {parent_tid=[6031]}, 88) = 6031 [pid 6028] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6029] rt_sigprocmask(SIG_SETMASK, [], [pid 6028] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6028] <... mprotect resumed>) = 0 [pid 6029] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 6031] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6029] <... futex resumed>) = 0 [pid 6031] <... rseq resumed>) = 0 [pid 6029] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6031] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6028] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6031] <... set_robust_list resumed>) = 0 [pid 6028] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] close(3 [pid 6031] rt_sigprocmask(SIG_SETMASK, [], [pid 6028] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5065] <... close resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6032 attached [pid 6031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6032] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6031] memfd_create("syzkaller", 0 [pid 6028] <... clone3 resumed> => {parent_tid=[6032]}, 88) = 6032 [pid 6032] <... rseq resumed>) = 0 [pid 6028] rt_sigprocmask(SIG_SETMASK, [], [pid 6032] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6033 [pid 6032] <... set_robust_list resumed>) = 0 [pid 6031] <... memfd_create resumed>) = 3 [pid 6028] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6033 attached [pid 6032] rt_sigprocmask(SIG_SETMASK, [], [pid 6031] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6030] munmap(0x7fdb7f81d000, 138412032 [pid 6028] <... futex resumed>) = 0 [pid 6033] set_robust_list(0x5555556c56a0, 24 [pid 6032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6031] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6030] <... munmap resumed>) = 0 [pid 6028] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6033] <... set_robust_list resumed>) = 0 [pid 6032] memfd_create("syzkaller", 0 [pid 6031] 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"..., 524288 [pid 6030] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6033] chdir("./77" [pid 6032] <... memfd_create resumed>) = 3 [pid 6030] <... openat resumed>) = 4 [pid 6032] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6030] ioctl(4, LOOP_SET_FD, 3 [pid 6033] <... chdir resumed>) = 0 [pid 6033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6032] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6033] <... prctl resumed>) = 0 [pid 6033] setpgid(0, 0) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5066] <... umount2 resumed>) = 0 [pid 6033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] umount2("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6033] <... openat resumed>) = 3 [pid 6031] <... write resumed>) = 524288 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6030] <... ioctl resumed>) = 0 [pid 5067] umount2("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] newfstatat(AT_FDCWD, "./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6030] close(3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6030] <... close resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6030] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6033] write(3, "1000", 4 [pid 6030] <... mkdir resumed>) = 0 [pid 5067] umount2("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6033] <... write resumed>) = 4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6033] close(3 [pid 6032] 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"..., 524288 [pid 6030] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] openat(AT_FDCWD, "./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6033] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5066] umount2("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6033] symlink("/dev/binderfs", "./binderfs" [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6033] <... symlink resumed>) = 0 [pid 5067] newfstatat(4, "", [pid 5066] openat(AT_FDCWD, "./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6033] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... openat resumed>) = 4 [pid 6033] <... futex resumed>) = 0 [pid 5067] getdents64(4, [pid 5066] newfstatat(4, "", [pid 6033] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6033] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] getdents64(4, [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6033] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [ 165.078052][ T6030] loop4: detected capacity change from 0 to 1024 [pid 6031] munmap(0x7fdb7f81d000, 138412032 [pid 5067] close(4 [pid 5066] getdents64(4, [pid 6032] <... write resumed>) = 524288 [pid 6031] <... munmap resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 5067] rmdir("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] getdents64(4, [pid 6033] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5067] <... rmdir resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6033] <... mprotect resumed>) = 0 [pid 5067] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] close(4 [pid 6031] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6033] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... close resumed>) = 0 [pid 6033] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6031] <... openat resumed>) = 4 [pid 5067] newfstatat(AT_FDCWD, "./76/binderfs", [pid 6033] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6031] ioctl(4, LOOP_SET_FD, 3 [pid 6030] <... mount resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] rmdir("./76/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6034 attached [pid 6032] munmap(0x7fdb7f81d000, 138412032 [pid 6034] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6033] <... clone3 resumed> => {parent_tid=[6034]}, 88) = 6034 [pid 6032] <... munmap resumed>) = 0 [pid 6030] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5067] unlink("./76/binderfs" [pid 5066] <... rmdir resumed>) = 0 [pid 6033] rt_sigprocmask(SIG_SETMASK, [], [pid 6030] <... openat resumed>) = 3 [pid 5067] <... unlink resumed>) = 0 [pid 6033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] getdents64(3, [pid 6033] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... rseq resumed>) = 0 [pid 6033] <... futex resumed>) = 0 [pid 6032] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6030] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6034] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6033] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6032] <... openat resumed>) = 4 [pid 6030] <... chdir resumed>) = 0 [pid 5066] umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6034] <... set_robust_list resumed>) = 0 [pid 6032] ioctl(4, LOOP_SET_FD, 3 [pid 6030] ioctl(4, LOOP_CLR_FD [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(AT_FDCWD, "./76/binderfs", [pid 6034] rt_sigprocmask(SIG_SETMASK, [], [pid 6032] <... ioctl resumed>) = 0 [pid 6030] <... ioctl resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] unlink("./76/binderfs" [pid 6034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6032] close(3 [pid 6030] close(4 [pid 6034] memfd_create("syzkaller", 0 [pid 6032] <... close resumed>) = 0 [pid 6030] <... close resumed>) = 0 [pid 6034] <... memfd_create resumed>) = 3 [pid 6032] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6030] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6032] <... mkdir resumed>) = 0 [pid 6030] <... futex resumed>) = 1 [pid 6027] <... futex resumed>) = 0 [pid 6034] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6030] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6027] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6027] <... futex resumed>) = 0 [pid 5066] <... unlink resumed>) = 0 [pid 6032] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6031] <... ioctl resumed>) = 0 [pid 6030] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6027] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] close(3 [pid 6031] close(3 [pid 6030] <... mknod resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5066] getdents64(3, [pid 6031] <... close resumed>) = 0 [pid 5067] rmdir("./76" [pid 6031] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6030] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... rmdir resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6031] <... mkdir resumed>) = 0 [pid 6030] <... futex resumed>) = 1 [pid 6027] <... futex resumed>) = 0 [pid 6034] 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"..., 524288 [pid 6031] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6030] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6027] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] mkdir("./77", 0777 [pid 5066] close(3 [pid 6030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6027] <... futex resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 6027] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] rmdir("./76" [ 165.155081][ T6031] loop5: detected capacity change from 0 to 1024 [ 165.176906][ T6032] loop0: detected capacity change from 0 to 1024 [pid 6030] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5066] <... rmdir resumed>) = 0 [pid 6032] <... mount resumed>) = 0 [pid 6032] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5067] <... openat resumed>) = 3 [pid 5066] mkdir("./77", 0777 [pid 6032] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5066] <... mkdir resumed>) = 0 [pid 6032] <... chdir resumed>) = 0 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6032] ioctl(4, LOOP_CLR_FD [pid 5067] close(3 [pid 6032] <... ioctl resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 6032] close(4 [pid 6034] <... write resumed>) = 524288 [pid 6032] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6032] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6030] <... open resumed>) = 4 [pid 6028] <... futex resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 6032] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6030] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6035 attached [pid 6032] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6034] munmap(0x7fdb7f81d000, 138412032 [pid 6032] <... mknod resumed>) = 0 [pid 6028] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] ioctl(3, LOOP_CLR_FD [pid 6034] <... munmap resumed>) = 0 [pid 6030] <... futex resumed>) = 1 [pid 6027] <... futex resumed>) = 0 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6035] set_robust_list(0x5555556c56a0, 24 [pid 6030] sync( [pid 6027] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6035 [pid 5066] close(3 [pid 6035] <... set_robust_list resumed>) = 0 [pid 6034] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6032] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... mount resumed>) = 0 [pid 6027] <... futex resumed>) = 0 [pid 6035] chdir("./77" [pid 6034] <... openat resumed>) = 4 [pid 6032] <... futex resumed>) = 1 [pid 6031] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6028] <... futex resumed>) = 0 [pid 6027] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6035] <... chdir resumed>) = 0 [pid 6034] ioctl(4, LOOP_SET_FD, 3 [pid 6032] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] <... close resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6028] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6028] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6035] <... prctl resumed>) = 0 [pid 6032] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6035] setpgid(0, 0 [pid 6031] <... openat resumed>) = 3 [pid 6035] <... setpgid resumed>) = 0 [pid 6031] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6036 attached [pid 6035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6031] <... chdir resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6036 [pid 6036] set_robust_list(0x5555556c56a0, 24 [pid 6035] <... openat resumed>) = 3 [pid 6031] ioctl(4, LOOP_CLR_FD [pid 6036] <... set_robust_list resumed>) = 0 [pid 6035] write(3, "1000", 4 [pid 6031] <... ioctl resumed>) = 0 [pid 6035] <... write resumed>) = 4 [pid 6031] close(4 [pid 6036] chdir("./77" [pid 6035] close(3 [pid 6031] <... close resumed>) = 0 [pid 6036] <... chdir resumed>) = 0 [pid 6035] <... close resumed>) = 0 [pid 6031] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6035] symlink("/dev/binderfs", "./binderfs" [pid 6032] <... open resumed>) = 4 [pid 6036] <... prctl resumed>) = 0 [pid 6035] <... symlink resumed>) = 0 [pid 6032] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... futex resumed>) = 1 [pid 6029] <... futex resumed>) = 0 [pid 6036] setpgid(0, 0 [pid 6035] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... futex resumed>) = 1 [pid 6031] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6028] <... futex resumed>) = 0 [pid 6029] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... setpgid resumed>) = 0 [pid 6035] <... futex resumed>) = 0 [pid 6034] <... ioctl resumed>) = 0 [pid 6032] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6028] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... futex resumed>) = 0 [pid 6036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6035] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6031] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6030] <... sync resumed>) = 0 [pid 6028] <... futex resumed>) = 0 [pid 6029] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6036] <... openat resumed>) = 3 [pid 6032] sync( [pid 6031] <... mknod resumed>) = 0 [pid 6030] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6036] write(3, "1000", 4 [pid 6035] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6034] close(3 [pid 6030] <... futex resumed>) = 0 [pid 6036] <... write resumed>) = 4 [pid 6035] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6034] <... close resumed>) = 0 [pid 6030] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6027] exit_group(0 [pid 6036] close(3 [pid 6035] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 165.291559][ T6034] loop1: detected capacity change from 0 to 1024 [pid 6034] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6031] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... futex resumed>) = ? [pid 6027] <... exit_group resumed>) = ? [pid 6036] <... close resumed>) = 0 [pid 6035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6034] <... mkdir resumed>) = 0 [pid 6031] <... futex resumed>) = 1 [pid 6030] +++ exited with 0 +++ [pid 6029] <... futex resumed>) = 0 [pid 6027] +++ exited with 0 +++ [pid 6036] symlink("/dev/binderfs", "./binderfs" [pid 6035] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6034] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6031] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6029] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... symlink resumed>) = 0 [pid 6035] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6032] <... sync resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6027, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6036] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 6036] <... futex resumed>) = 0 [pid 6028] <... futex resumed>) = 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 6036] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6032] <... futex resumed>) = 1 [pid 6028] exit_group(0 [pid 6036] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6028] <... exit_group resumed>) = ? [pid 6036] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6035] <... mprotect resumed>) = 0 [pid 6032] +++ exited with 0 +++ [pid 6029] <... futex resumed>) = 0 [pid 6036] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6035] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6028] +++ exited with 0 +++ [pid 6029] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6035] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6028, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6036] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6035] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 6037 attached [pid 6036] <... mprotect resumed>) = 0 [pid 5068] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6037] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6035] <... clone3 resumed> => {parent_tid=[6037]}, 88) = 6037 [pid 6037] <... rseq resumed>) = 0 [pid 6035] rt_sigprocmask(SIG_SETMASK, [], [pid 6037] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6036] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6037] <... set_robust_list resumed>) = 0 [pid 6036] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6035] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... open resumed>) = 4 [pid 5068] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6037] rt_sigprocmask(SIG_SETMASK, [], [pid 6036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6035] <... futex resumed>) = 0 [pid 6034] <... mount resumed>) = 0 [pid 6031] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6038 attached [pid 6037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6035] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6034] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6031] <... futex resumed>) = 1 [pid 6029] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 6038] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6037] memfd_create("syzkaller", 0 [pid 6036] <... clone3 resumed> => {parent_tid=[6038]}, 88) = 6038 [pid 6034] <... openat resumed>) = 3 [pid 6031] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6029] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... openat resumed>) = 3 [pid 6038] <... rseq resumed>) = 0 [pid 6037] <... memfd_create resumed>) = 3 [pid 6036] rt_sigprocmask(SIG_SETMASK, [], [pid 6034] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6029] <... futex resumed>) = 0 [pid 5064] newfstatat(3, "", [pid 6038] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6034] <... chdir resumed>) = 0 [pid 6031] sync( [pid 6029] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(3, "", [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6038] <... set_robust_list resumed>) = 0 [pid 6037] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6036] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] ioctl(4, LOOP_CLR_FD [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] getdents64(3, [pid 6038] rt_sigprocmask(SIG_SETMASK, [], [pid 6036] <... futex resumed>) = 0 [pid 6038] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6036] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6034] <... ioctl resumed>) = 0 [pid 5068] getdents64(3, [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6038] memfd_create("syzkaller", 0 [pid 5064] umount2("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6034] close(4 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6034] <... close resumed>) = 0 [pid 6034] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] <... memfd_create resumed>) = 3 [pid 6034] <... futex resumed>) = 1 [pid 6033] <... futex resumed>) = 0 [pid 5068] umount2("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6038] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6034] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6033] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6034] <... mknod resumed>) = 0 [pid 6033] <... futex resumed>) = 0 [pid 6033] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6034] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6033] <... futex resumed>) = 0 [pid 6033] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6033] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6034] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6037] 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"..., 524288 [pid 5064] <... umount2 resumed>) = 0 [pid 5064] umount2("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] umount2("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6038] 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"..., 524288 [pid 5064] <... openat resumed>) = 4 [pid 6029] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5064] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6031] <... sync resumed>) = 0 [pid 5064] getdents64(4, [pid 6031] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6031] <... futex resumed>) = 0 [pid 6029] exit_group(0 [pid 5064] getdents64(4, [pid 6029] <... exit_group resumed>) = ? [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6031] +++ exited with 0 +++ [pid 6029] +++ exited with 0 +++ [pid 5064] close(4 [pid 6038] <... write resumed>) = 524288 [pid 6033] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6029, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5064] <... close resumed>) = 0 [pid 6033] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] rmdir("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6037] <... write resumed>) = 524288 [pid 6033] <... futex resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 6037] munmap(0x7fdb7f81d000, 138412032 [pid 6033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6033] <... mmap resumed>) = 0x7fdb87bfc000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6033] mprotect(0x7fdb87bfd000, 131072, PROT_READ|PROT_WRITE [pid 5069] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6037] <... munmap resumed>) = 0 [pid 6034] <... open resumed>) = 4 [pid 6033] <... mprotect resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6034] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] newfstatat(3, "", [pid 6034] <... futex resumed>) = 0 [pid 6033] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] newfstatat(AT_FDCWD, "./78/binderfs", [pid 6037] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6034] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6033] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c1c990, parent_tid=0x7fdb87c1c990, exit_signal=0, stack=0x7fdb87bfc000, stack_size=0x20300, tls=0x7fdb87c1c6c0} [pid 5069] getdents64(3, [pid 5068] <... umount2 resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6039 attached [pid 6037] <... openat resumed>) = 4 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] umount2("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] unlink("./78/binderfs" [pid 6039] rseq(0x7fdb87c1cfe0, 0x20, 0, 0x53053053 [pid 6038] munmap(0x7fdb7f81d000, 138412032 [pid 6037] ioctl(4, LOOP_SET_FD, 3 [pid 6033] <... clone3 resumed> => {parent_tid=[6039]}, 88) = 6039 [pid 5069] umount2("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... unlink resumed>) = 0 [pid 6039] <... rseq resumed>) = 0 [pid 6038] <... munmap resumed>) = 0 [pid 6033] rt_sigprocmask(SIG_SETMASK, [], [pid 6039] set_robust_list(0x7fdb87c1c9a0, 24 [pid 6033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] newfstatat(AT_FDCWD, "./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6039] <... set_robust_list resumed>) = 0 [pid 6033] futex(0x7fdb87d096b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] getdents64(3, [pid 6039] rt_sigprocmask(SIG_SETMASK, [], [pid 6038] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6033] <... futex resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6039] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] umount2("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6039] sync( [pid 6038] <... openat resumed>) = 4 [pid 6033] futex(0x7fdb87d096bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] close(3 [pid 6038] ioctl(4, LOOP_SET_FD, 3 [pid 5068] openat(AT_FDCWD, "./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... close resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5064] rmdir("./78" [pid 5068] newfstatat(4, "", [pid 5064] <... rmdir resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, [pid 5064] mkdir("./79", 0777 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... mkdir resumed>) = 0 [pid 5068] getdents64(4, [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5068] close(4 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5068] <... close resumed>) = 0 [pid 5064] <... ioctl resumed>) = 0 [pid 5068] rmdir("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5064] close(3) = 0 [pid 6037] <... ioctl resumed>) = 0 [pid 5068] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6037] close(3 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6037] <... close resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./78/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] unlink("./78/binderfs" [pid 6037] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5068] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6040 attached [pid 5069] umount2("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6040] set_robust_list(0x5555556c56a0, 24 [pid 6037] <... mkdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(3, [pid 6038] <... ioctl resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6040 [pid 6040] <... set_robust_list resumed>) = 0 [pid 6039] <... sync resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6040] chdir("./79" [ 165.504979][ T6037] loop3: detected capacity change from 0 to 1024 [ 165.520847][ T6038] loop2: detected capacity change from 0 to 1024 [pid 6039] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(AT_FDCWD, "./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5068] close(3 [pid 6040] <... chdir resumed>) = 0 [pid 6039] <... futex resumed>) = 1 [pid 6038] close(3 [pid 6037] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6033] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... close resumed>) = 0 [pid 6040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6033] exit_group(0) = ? [pid 6040] <... prctl resumed>) = 0 [pid 5069] umount2("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] rmdir("./78" [pid 6038] <... close resumed>) = 0 [pid 6040] setpgid(0, 0 [pid 6034] <... futex resumed>) = ? [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... rmdir resumed>) = 0 [pid 6038] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6039] +++ exited with 0 +++ [pid 6038] <... mkdir resumed>) = 0 [pid 6034] +++ exited with 0 +++ [pid 6033] +++ exited with 0 +++ [pid 5069] openat(AT_FDCWD, "./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] mkdir("./79", 0777 [pid 6038] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] <... openat resumed>) = 4 [pid 5068] <... mkdir resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6033, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6040] <... setpgid resumed>) = 0 [pid 5069] newfstatat(4, "", [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 6040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6040] <... openat resumed>) = 3 [pid 5069] getdents64(4, [pid 5068] <... openat resumed>) = 3 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 6040] write(3, "1000", 4 [pid 5069] getdents64(4, [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6040] <... write resumed>) = 4 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] close(3 [pid 6040] close(3 [pid 5069] close(4 [pid 5068] <... close resumed>) = 0 [pid 6040] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6040] symlink("/dev/binderfs", "./binderfs" [pid 5069] rmdir("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6040] <... symlink resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 6040] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5069] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6041 attached [pid 6040] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6041] set_robust_list(0x5555556c56a0, 24 [pid 6040] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6037] <... mount resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./77/binderfs", [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6041 [pid 6041] <... set_robust_list resumed>) = 0 [pid 6040] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6037] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6037] <... openat resumed>) = 3 [pid 5065] <... openat resumed>) = 3 [pid 5065] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6037] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] getdents64(3, [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6037] <... chdir resumed>) = 0 [pid 6037] ioctl(4, LOOP_CLR_FD [pid 5065] umount2("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6041] chdir("./79" [pid 6040] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6037] <... ioctl resumed>) = 0 [pid 5069] unlink("./77/binderfs" [pid 6037] close(4 [pid 6041] <... chdir resumed>) = 0 [pid 6040] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6038] <... mount resumed>) = 0 [pid 6037] <... close resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 6041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6040] <... mprotect resumed>) = 0 [pid 6041] <... prctl resumed>) = 0 [pid 6040] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] getdents64(3, [pid 6041] setpgid(0, 0 [pid 6037] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5069] close(3 [pid 6037] <... futex resumed>) = 1 [pid 6035] <... futex resumed>) = 0 [pid 6037] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... close resumed>) = 0 [pid 6041] <... setpgid resumed>) = 0 [pid 6037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6035] <... futex resumed>) = 0 [pid 5069] rmdir("./77" [pid 6038] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5065] umount2("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6040] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6037] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6035] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... rmdir resumed>) = 0 [pid 6041] <... openat resumed>) = 3 [pid 6040] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 6042 attached [pid 6041] write(3, "1000", 4 [pid 5069] mkdir("./78", 0777 [pid 6042] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6041] <... write resumed>) = 4 [pid 6040] <... clone3 resumed> => {parent_tid=[6042]}, 88) = 6042 [pid 6042] <... rseq resumed>) = 0 [pid 6041] close(3 [pid 6040] rt_sigprocmask(SIG_SETMASK, [], [pid 6037] <... mknod resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 6042] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6041] <... close resumed>) = 0 [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6038] <... openat resumed>) = 3 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6042] <... set_robust_list resumed>) = 0 [pid 6041] symlink("/dev/binderfs", "./binderfs" [pid 6040] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6038] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] newfstatat(AT_FDCWD, "./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6042] rt_sigprocmask(SIG_SETMASK, [], [pid 6041] <... symlink resumed>) = 0 [pid 6040] <... futex resumed>) = 0 [pid 6038] <... chdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6041] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6038] ioctl(4, LOOP_CLR_FD [pid 6037] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... openat resumed>) = 3 [pid 5065] umount2("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6042] memfd_create("syzkaller", 0 [pid 6041] <... futex resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6042] <... memfd_create resumed>) = 3 [pid 6041] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] openat(AT_FDCWD, "./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6041] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6038] <... ioctl resumed>) = 0 [pid 5069] close(3 [pid 6041] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6038] close(4 [pid 6037] <... futex resumed>) = 1 [pid 6035] <... futex resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5065] <... openat resumed>) = 4 [pid 6042] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6038] <... close resumed>) = 0 [pid 6037] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6035] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] newfstatat(4, "", [pid 6042] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6038] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... futex resumed>) = 0 [pid 6042] 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"..., 524288 [pid 6035] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6041] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6038] <... futex resumed>) = 1 [pid 6036] <... futex resumed>) = 0 [pid 5065] getdents64(4, [pid 6041] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6038] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6036] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6043 [pid 6041] <... mprotect resumed>) = 0 [pid 6036] <... futex resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6043 attached [pid 6041] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6038] <... mknod resumed>) = 0 [pid 6036] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] getdents64(4, [pid 6043] set_robust_list(0x5555556c56a0, 24 [pid 6041] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6043] <... set_robust_list resumed>) = 0 [pid 6041] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6037] <... open resumed>) = 4 [pid 6043] chdir("./78" [pid 6042] <... write resumed>) = 524288 [pid 6038] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] close(4 [pid 6038] <... futex resumed>) = 1 [pid 6037] <... futex resumed>) = 1 [pid 6036] <... futex resumed>) = 0 [pid 6035] <... futex resumed>) = 0 [pid 6037] sync( [pid 6036] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... close resumed>) = 0 [pid 6036] <... futex resumed>) = 0 [pid 6035] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6044 attached [pid 6041] <... clone3 resumed> => {parent_tid=[6044]}, 88) = 6044 [pid 6036] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6035] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] rmdir("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6044] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6041] rt_sigprocmask(SIG_SETMASK, [], [pid 6044] <... rseq resumed>) = 0 [pid 6041] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6044] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6041] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... set_robust_list resumed>) = 0 [pid 6043] <... chdir resumed>) = 0 [pid 6041] <... futex resumed>) = 0 [pid 6044] rt_sigprocmask(SIG_SETMASK, [], [pid 6043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6041] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5065] <... rmdir resumed>) = 0 [pid 6044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6043] <... prctl resumed>) = 0 [pid 6044] memfd_create("syzkaller", 0 [pid 6043] setpgid(0, 0 [pid 5065] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6044] <... memfd_create resumed>) = 3 [pid 6043] <... setpgid resumed>) = 0 [pid 6038] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6044] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6042] munmap(0x7fdb7f81d000, 138412032 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6044] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6043] <... openat resumed>) = 3 [pid 6042] <... munmap resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./77/binderfs", [pid 6043] write(3, "1000", 4) = 4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6043] close(3 [pid 5065] unlink("./77/binderfs" [pid 6043] <... close resumed>) = 0 [pid 6044] 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"..., 524288 [pid 6043] symlink("/dev/binderfs", "./binderfs" [pid 6042] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5065] <... unlink resumed>) = 0 [pid 6043] <... symlink resumed>) = 0 [pid 6042] <... openat resumed>) = 4 [pid 6042] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6038] <... open resumed>) = 4 [pid 5065] getdents64(3, [pid 6043] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6043] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6038] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] close(3 [pid 6043] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6038] <... futex resumed>) = 1 [pid 6036] <... futex resumed>) = 0 [pid 6043] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6038] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... close resumed>) = 0 [pid 6043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] <... futex resumed>) = 0 [pid 5065] rmdir("./77" [pid 6043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 6043] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6038] sync( [pid 6036] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... rmdir resumed>) = 0 [pid 6043] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5065] mkdir("./78", 0777 [pid 6043] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6037] <... sync resumed>) = 0 [pid 6035] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6037] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6045 attached [pid 6043] <... clone3 resumed> => {parent_tid=[6045]}, 88) = 6045 [pid 6037] <... futex resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6045] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6043] rt_sigprocmask(SIG_SETMASK, [], [pid 6042] close(3 [pid 6037] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6035] exit_group(0 [pid 6045] <... rseq resumed>) = 0 [pid 6044] <... write resumed>) = 524288 [pid 6043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6042] <... close resumed>) = 0 [pid 6035] <... exit_group resumed>) = ? [pid 5065] <... openat resumed>) = 3 [pid 6045] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 6045] <... set_robust_list resumed>) = 0 [pid 6043] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6045] rt_sigprocmask(SIG_SETMASK, [], [pid 6043] <... futex resumed>) = 0 [pid 6038] <... sync resumed>) = 0 [pid 6037] <... futex resumed>) = ? [pid 5065] close(3 [pid 6045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6043] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6045] memfd_create("syzkaller", 0 [pid 6042] <... mkdir resumed>) = 0 [pid 6038] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... close resumed>) = 0 [pid 6045] <... memfd_create resumed>) = 3 [pid 6044] munmap(0x7fdb7f81d000, 138412032 [pid 6042] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6045] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6044] <... munmap resumed>) = 0 [pid 6038] <... futex resumed>) = 1 [pid 6037] +++ exited with 0 +++ [pid 6036] <... futex resumed>) = 0 [pid 6035] +++ exited with 0 +++ [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6038] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] exit_group(0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6035, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6045] <... mmap resumed>) = 0x7fdb7f81d000 [ 165.768051][ T6042] loop0: detected capacity change from 0 to 1024 [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 6038] <... futex resumed>) = ? [pid 6036] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6046 attached [pid 6045] 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"..., 524288 [pid 6044] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6042] <... mount resumed>) = 0 [pid 6038] +++ exited with 0 +++ [pid 5067] <... restart_syscall resumed>) = 0 [pid 5067] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6046] set_robust_list(0x5555556c56a0, 24 [pid 6042] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6036] +++ exited with 0 +++ [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6046 [pid 6046] <... set_robust_list resumed>) = 0 [pid 6042] <... openat resumed>) = 3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6046] chdir("./78" [pid 6042] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6036, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6046] <... chdir resumed>) = 0 [pid 6044] <... openat resumed>) = 4 [pid 6042] <... chdir resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 6044] ioctl(4, LOOP_SET_FD, 3 [pid 5067] newfstatat(3, "", [pid 6046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6045] <... write resumed>) = 524288 [pid 6042] ioctl(4, LOOP_CLR_FD [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 6046] <... prctl resumed>) = 0 [pid 5066] <... restart_syscall resumed>) = 0 [pid 6046] setpgid(0, 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6042] <... ioctl resumed>) = 0 [pid 6046] <... setpgid resumed>) = 0 [pid 6042] close(4 [pid 5067] getdents64(3, [pid 6042] <... close resumed>) = 0 [pid 6046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6042] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6042] <... futex resumed>) = 1 [pid 6046] <... openat resumed>) = 3 [pid 6042] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] <... futex resumed>) = 0 [pid 5067] umount2("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6046] write(3, "1000", 4 [pid 6040] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6042] <... futex resumed>) = 0 [pid 6040] <... futex resumed>) = 1 [pid 6046] <... write resumed>) = 4 [pid 6042] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6040] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... openat resumed>) = 3 [pid 6042] <... mknod resumed>) = 0 [pid 6046] close(3 [pid 6042] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] newfstatat(3, "", [pid 6046] <... close resumed>) = 0 [pid 6042] <... futex resumed>) = 1 [pid 6040] <... futex resumed>) = 0 [pid 6046] symlink("/dev/binderfs", "./binderfs" [pid 6042] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6040] <... futex resumed>) = 0 [pid 5066] getdents64(3, [pid 6044] <... ioctl resumed>) = 0 [pid 6040] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6046] <... symlink resumed>) = 0 [pid 6044] close(3 [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6045] munmap(0x7fdb7f81d000, 138412032 [pid 6044] <... close resumed>) = 0 [pid 6045] <... munmap resumed>) = 0 [pid 6044] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6044] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6046] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5066] umount2("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [ 165.848312][ T6044] loop4: detected capacity change from 0 to 1024 [pid 6045] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6045] ioctl(4, LOOP_SET_FD, 3 [pid 6046] <... futex resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5067] umount2("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6046] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6046] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] umount2("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6045] <... ioctl resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6046] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6045] close(3 [pid 5067] openat(AT_FDCWD, "./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6045] <... close resumed>) = 0 [pid 6044] <... mount resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 6046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6045] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6044] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6046] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6044] <... openat resumed>) = 3 [pid 5067] newfstatat(4, "", [pid 6046] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6044] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6046] <... mprotect resumed>) = 0 [pid 6045] <... mkdir resumed>) = 0 [pid 6044] <... chdir resumed>) = 0 [pid 6042] <... open resumed>) = 4 [pid 6046] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6044] ioctl(4, LOOP_CLR_FD [pid 6042] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] getdents64(4, [pid 6046] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6045] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6044] <... ioctl resumed>) = 0 [pid 6040] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6046] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6044] close(4 [pid 6042] <... futex resumed>) = 0 [pid 6040] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... close resumed>) = 0 [pid 5067] getdents64(4, ./strace-static-x86_64: Process 6047 attached [pid 6044] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] sync( [pid 6040] <... futex resumed>) = 0 [pid 5066] <... umount2 resumed>) = 0 [pid 6047] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6046] <... clone3 resumed> => {parent_tid=[6047]}, 88) = 6047 [pid 6045] <... mount resumed>) = 0 [pid 6044] <... futex resumed>) = 1 [pid 6041] <... futex resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6047] <... rseq resumed>) = 0 [pid 6046] rt_sigprocmask(SIG_SETMASK, [], [pid 6045] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6041] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 165.901781][ T6045] loop5: detected capacity change from 0 to 1024 [pid 6047] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6045] <... openat resumed>) = 3 [pid 6041] <... futex resumed>) = 0 [pid 6047] <... set_robust_list resumed>) = 0 [pid 6046] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6044] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6041] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] close(4 [pid 6047] rt_sigprocmask(SIG_SETMASK, [], [pid 6046] <... futex resumed>) = 0 [pid 6045] <... chdir resumed>) = 0 [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6046] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6045] ioctl(4, LOOP_CLR_FD [pid 6044] <... mknod resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 6047] memfd_create("syzkaller", 0 [pid 6045] <... ioctl resumed>) = 0 [pid 6047] <... memfd_create resumed>) = 3 [pid 6045] close(4 [pid 5067] rmdir("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6047] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6045] <... close resumed>) = 0 [pid 6044] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... rmdir resumed>) = 0 [pid 5066] umount2("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6047] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6045] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] <... futex resumed>) = 1 [pid 6041] <... futex resumed>) = 0 [pid 6041] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6045] <... futex resumed>) = 1 [pid 6043] <... futex resumed>) = 0 [pid 6041] <... futex resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6045] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6044] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6043] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6043] <... futex resumed>) = 0 [pid 6041] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6045] <... mknod resumed>) = 0 [pid 6043] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] newfstatat(AT_FDCWD, "./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./77/binderfs") = 0 [pid 6044] <... open resumed>) = 4 [pid 6045] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] getdents64(3, [pid 6047] 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"..., 524288 [pid 6045] <... futex resumed>) = 1 [pid 6044] <... futex resumed>) = 1 [pid 6043] <... futex resumed>) = 0 [pid 6041] <... futex resumed>) = 0 [pid 6040] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] umount2("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6041] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6041] <... futex resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6043] <... futex resumed>) = 0 [pid 6041] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] close(3 [pid 5066] openat(AT_FDCWD, "./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6043] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... close resumed>) = 0 [pid 5067] rmdir("./77" [pid 5066] <... openat resumed>) = 4 [pid 5067] <... rmdir resumed>) = 0 [pid 6045] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6044] sync( [pid 5066] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] mkdir("./78", 0777) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 6047] <... write resumed>) = 524288 [pid 5067] close(3 [pid 6047] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 5067] <... close resumed>) = 0 [pid 5066] getdents64(4, [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] getdents64(4, [pid 6047] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6048 attached [pid 6047] ioctl(4, LOOP_SET_FD, 3 [pid 5066] close(4 [pid 6048] set_robust_list(0x5555556c56a0, 24 [pid 6047] <... ioctl resumed>) = 0 [pid 6045] <... open resumed>) = 4 [pid 6042] <... sync resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6048 [pid 5066] <... close resumed>) = 0 [pid 6048] <... set_robust_list resumed>) = 0 [pid 6047] close(3 [pid 6045] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6041] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6048] chdir("./78" [pid 6047] <... close resumed>) = 0 [pid 6045] <... futex resumed>) = 0 [pid 6043] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] rmdir("./77/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6048] <... chdir resumed>) = 0 [pid 6047] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6045] sync( [pid 6043] <... futex resumed>) = 0 [pid 6042] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6047] <... mkdir resumed>) = 0 [pid 6043] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6042] <... futex resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 6048] <... prctl resumed>) = 0 [pid 6042] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6040] exit_group(0 [pid 5066] umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6048] setpgid(0, 0 [pid 6042] <... futex resumed>) = ? [pid 6040] <... exit_group resumed>) = ? [pid 6047] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6048] <... setpgid resumed>) = 0 [pid 6048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6042] +++ exited with 0 +++ [pid 6040] +++ exited with 0 +++ [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6040, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6048] write(3, "1000", 4 [pid 5064] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6048] <... write resumed>) = 4 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6048] close(3 [pid 5064] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6048] <... close resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 166.058036][ T6047] loop1: detected capacity change from 0 to 1024 [pid 6048] symlink("/dev/binderfs", "./binderfs" [pid 5066] newfstatat(AT_FDCWD, "./77/binderfs", [pid 6048] <... symlink resumed>) = 0 [pid 6047] <... mount resumed>) = 0 [pid 6048] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6048] <... futex resumed>) = 0 [pid 6047] <... openat resumed>) = 3 [pid 5064] <... openat resumed>) = 3 [pid 5066] unlink("./77/binderfs" [pid 6048] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6047] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6045] <... sync resumed>) = 0 [pid 6044] <... sync resumed>) = 0 [pid 6048] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6047] <... chdir resumed>) = 0 [pid 6045] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6044] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... unlink resumed>) = 0 [pid 5064] newfstatat(3, "", [pid 6048] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6047] ioctl(4, LOOP_CLR_FD [pid 6045] <... futex resumed>) = 1 [pid 6044] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = 0 [pid 5066] getdents64(3, [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6047] <... ioctl resumed>) = 0 [pid 6045] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6044] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] exit_group(0 [pid 6041] exit_group(0 [pid 5064] getdents64(3, [pid 6048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6047] close(4 [pid 6045] <... futex resumed>) = ? [pid 6044] <... futex resumed>) = ? [pid 6043] <... exit_group resumed>) = ? [pid 6041] <... exit_group resumed>) = ? [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6048] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6047] <... close resumed>) = 0 [pid 6045] +++ exited with 0 +++ [pid 6044] +++ exited with 0 +++ [pid 6043] +++ exited with 0 +++ [pid 6041] +++ exited with 0 +++ [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6048] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6047] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6043, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6041, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6048] <... mprotect resumed>) = 0 [pid 6047] <... futex resumed>) = 1 [pid 6046] <... futex resumed>) = 0 [pid 5064] umount2("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6048] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6047] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6046] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6047] <... mknod resumed>) = 0 [pid 6046] <... futex resumed>) = 0 [pid 5069] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6046] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6048] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... openat resumed>) = 3 [pid 5066] close(3./strace-static-x86_64: Process 6049 attached [pid 5069] <... openat resumed>) = 3 [pid 5068] newfstatat(3, "", [pid 6049] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6048] <... clone3 resumed> => {parent_tid=[6049]}, 88) = 6049 [pid 6047] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(3, "", [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... close resumed>) = 0 [pid 6049] <... rseq resumed>) = 0 [pid 6048] rt_sigprocmask(SIG_SETMASK, [], [pid 6047] <... futex resumed>) = 1 [pid 6046] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(3, [pid 5066] rmdir("./77" [pid 6049] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6047] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] getdents64(3, [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6049] <... set_robust_list resumed>) = 0 [pid 6048] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] <... futex resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] <... rmdir resumed>) = 0 [pid 6049] rt_sigprocmask(SIG_SETMASK, [], [pid 6048] <... futex resumed>) = 0 [pid 6047] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6046] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6048] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] umount2("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] mkdir("./78", 0777 [pid 6049] memfd_create("syzkaller", 0) = 3 [pid 5066] <... mkdir resumed>) = 0 [pid 6049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6049] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5066] <... openat resumed>) = 3 [pid 6049] 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"..., 524288 [pid 5068] <... umount2 resumed>) = 0 [pid 5066] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5066] close(3) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6047] <... open resumed>) = 4 [pid 6047] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6046] <... futex resumed>) = 0 [pid 6047] sync( [pid 6046] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6046] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6049] <... write resumed>) = 524288 [pid 5068] umount2("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 6050 attached [pid 6049] munmap(0x7fdb7f81d000, 138412032 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6050 [pid 6050] set_robust_list(0x5555556c56a0, 24 [pid 5069] umount2("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(AT_FDCWD, "./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6050] <... set_robust_list resumed>) = 0 [pid 6049] <... munmap resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6050] chdir("./78" [pid 6047] <... sync resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5068] umount2("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6050] <... chdir resumed>) = 0 [pid 6047] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] openat(AT_FDCWD, "./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6050] <... prctl resumed>) = 0 [pid 6047] <... futex resumed>) = 1 [pid 6046] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6047] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... openat resumed>) = 4 [pid 6050] setpgid(0, 0 [pid 6049] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6046] exit_group(0 [pid 5069] umount2("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(4, "", [pid 6050] <... setpgid resumed>) = 0 [pid 6049] <... openat resumed>) = 4 [pid 6047] <... futex resumed>) = ? [pid 6046] <... exit_group resumed>) = ? [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6049] ioctl(4, LOOP_SET_FD, 3 [pid 6047] +++ exited with 0 +++ [pid 6046] +++ exited with 0 +++ [pid 5069] openat(AT_FDCWD, "./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6050] <... openat resumed>) = 3 [pid 5068] getdents64(4, [pid 5069] <... openat resumed>) = 4 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6050] write(3, "1000", 4 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6046, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6050] <... write resumed>) = 4 [pid 5068] getdents64(4, [pid 6050] close(3 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6050] <... close resumed>) = 0 [pid 5068] close(4 [pid 5069] newfstatat(4, "", [pid 5068] <... close resumed>) = 0 [pid 6050] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] rmdir("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, [pid 6050] <... symlink resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5069] close(4 [pid 5068] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6050] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... umount2 resumed>) = 0 [pid 6050] <... futex resumed>) = 0 [pid 6049] <... ioctl resumed>) = 0 [pid 6049] close(3 [pid 5069] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6049] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6049] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] newfstatat(AT_FDCWD, "./78/binderfs", [pid 6049] <... mkdir resumed>) = 0 [pid 6050] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] unlink("./78/binderfs" [pid 5068] newfstatat(AT_FDCWD, "./79/binderfs", [pid 6050] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6050] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6049] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] getdents64(3, [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] umount2("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5068] unlink("./79/binderfs" [pid 6050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] close(3 [pid 5065] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5065] newfstatat(3, "", [pid 6050] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5069] rmdir("./78" [pid 5068] getdents64(3, [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6050] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] newfstatat(AT_FDCWD, "./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6050] <... mprotect resumed>) = 0 [pid 5068] close(3 [pid 5065] getdents64(3, [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6050] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] mkdir("./79", 0777 [pid 5068] <... close resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] umount2("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [ 166.265512][ T6049] loop3: detected capacity change from 0 to 1024 [pid 6050] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] rmdir("./79" [pid 5065] umount2("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6050] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5064] openat(AT_FDCWD, "./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6050] <... clone3 resumed> => {parent_tid=[6051]}, 88) = 6051 [pid 5064] <... openat resumed>) = 4 [pid 6050] rt_sigprocmask(SIG_SETMASK, [], [pid 5064] newfstatat(4, "", [pid 6050] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6051 attached [pid 6050] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... rmdir resumed>) = 0 [pid 5064] close(4 [pid 6051] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6050] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5065] <... umount2 resumed>) = 0 [pid 6051] <... rseq resumed>) = 0 [pid 6050] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5064] <... close resumed>) = 0 [pid 6051] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5064] rmdir("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6051] <... set_robust_list resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5064] <... rmdir resumed>) = 0 [pid 6051] rt_sigprocmask(SIG_SETMASK, [], [pid 6049] <... mount resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] mkdir("./80", 0777 [pid 5065] umount2("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6051] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6049] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6049] <... openat resumed>) = 3 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6049] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] newfstatat(AT_FDCWD, "./79/binderfs", [pid 6049] <... chdir resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6049] ioctl(4, LOOP_CLR_FD [pid 5068] <... mkdir resumed>) = 0 [pid 5064] unlink("./79/binderfs" [pid 6051] memfd_create("syzkaller", 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6051] <... memfd_create resumed>) = 3 [pid 6049] <... ioctl resumed>) = 0 [pid 5069] close(3 [pid 5065] newfstatat(AT_FDCWD, "./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] <... unlink resumed>) = 0 [pid 6051] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6051] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6049] close(4 [pid 5069] <... close resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] getdents64(3, [pid 5068] <... openat resumed>) = 3 [pid 6049] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] umount2("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6049] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6049] <... futex resumed>) = 1 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5065] openat(AT_FDCWD, "./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] close(3 [pid 6051] 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"..., 524288 [pid 6049] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6048] <... futex resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5065] <... openat resumed>) = 4 [pid 6049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6048] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6052 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] newfstatat(4, "", [pid 6049] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6048] <... futex resumed>) = 0 [pid 5064] rmdir("./79" [pid 6049] <... mknod resumed>) = 0 [pid 6048] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] close(3 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6052 attached [pid 6051] <... write resumed>) = 524288 [pid 5068] <... close resumed>) = 0 [pid 5065] getdents64(4, [pid 6052] set_robust_list(0x5555556c56a0, 24 [pid 6051] munmap(0x7fdb7f81d000, 138412032 [pid 6049] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] mkdir("./80", 0777 [pid 5065] getdents64(4, [pid 6052] <... set_robust_list resumed>) = 0 [pid 6051] <... munmap resumed>) = 0 [pid 6049] <... futex resumed>) = 1 [pid 6048] <... futex resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 6052] chdir("./79" [pid 6049] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6048] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] close(4 [pid 6052] <... chdir resumed>) = 0 [pid 6048] <... futex resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 6053 attached [pid 6052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6051] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6048] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... close resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 6053] set_robust_list(0x5555556c56a0, 24 [pid 6052] <... prctl resumed>) = 0 [pid 6051] <... openat resumed>) = 4 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6053 [pid 5065] rmdir("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] ioctl(3, LOOP_CLR_FD [pid 6053] <... set_robust_list resumed>) = 0 [pid 6052] setpgid(0, 0 [pid 6051] ioctl(4, LOOP_SET_FD, 3 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6053] chdir("./80" [pid 6052] <... setpgid resumed>) = 0 [pid 6049] <... open resumed>) = 4 [pid 5065] <... rmdir resumed>) = 0 [pid 5064] close(3 [pid 6052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6053] <... chdir resumed>) = 0 [pid 6052] <... openat resumed>) = 3 [pid 5065] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... close resumed>) = 0 [pid 6053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6053] <... prctl resumed>) = 0 [pid 6052] write(3, "1000", 4 [pid 6049] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6053] setpgid(0, 0 [pid 6052] <... write resumed>) = 4 [pid 6051] <... ioctl resumed>) = 0 [pid 6049] <... futex resumed>) = 1 [pid 6048] <... futex resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./78/binderfs", [pid 6053] <... setpgid resumed>) = 0 [pid 6052] close(3 [pid 6051] close(3 [pid 6048] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6054 attached [pid 6053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6052] <... close resumed>) = 0 [pid 6049] sync( [pid 6048] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6051] <... close resumed>) = 0 [pid 6053] <... openat resumed>) = 3 [pid 6052] symlink("/dev/binderfs", "./binderfs" [pid 6048] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6054 [pid 6053] write(3, "1000", 4 [pid 6052] <... symlink resumed>) = 0 [pid 6051] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5065] unlink("./78/binderfs" [pid 6053] <... write resumed>) = 4 [pid 6052] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... mkdir resumed>) = 0 [pid 6054] set_robust_list(0x5555556c56a0, 24) = 0 [pid 6053] close(3 [pid 6052] <... futex resumed>) = 0 [pid 6054] chdir("./80" [pid 6053] <... close resumed>) = 0 [pid 6052] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6053] symlink("/dev/binderfs", "./binderfs" [pid 6052] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6052] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6053] <... symlink resumed>) = 0 [pid 6052] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6053] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5065] <... unlink resumed>) = 0 [pid 6052] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6054] <... chdir resumed>) = 0 [pid 6053] <... futex resumed>) = 0 [pid 6051] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5065] getdents64(3, [pid 6052] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6053] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6053] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5065] close(3 [pid 6054] <... prctl resumed>) = 0 [pid 6053] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6054] setpgid(0, 0 [pid 6053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6052] <... rt_sigprocmask resumed>[], 8) = 0 [ 166.400146][ T6051] loop2: detected capacity change from 0 to 1024 [pid 5065] <... close resumed>) = 0 [pid 6054] <... setpgid resumed>) = 0 [pid 6053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6052] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5065] rmdir("./78"./strace-static-x86_64: Process 6055 attached [pid 6054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6053] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6055] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6052] <... clone3 resumed> => {parent_tid=[6055]}, 88) = 6055 [pid 6055] <... rseq resumed>) = 0 [pid 6054] <... openat resumed>) = 3 [pid 6053] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6052] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] <... rmdir resumed>) = 0 [pid 6054] write(3, "1000", 4 [pid 6053] <... mprotect resumed>) = 0 [pid 6054] <... write resumed>) = 4 [pid 5065] mkdir("./79", 0777 [pid 6054] close(3 [pid 6055] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6054] <... close resumed>) = 0 [pid 6055] <... set_robust_list resumed>) = 0 [pid 6054] symlink("/dev/binderfs", "./binderfs" [pid 6052] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] <... mkdir resumed>) = 0 [pid 6055] rt_sigprocmask(SIG_SETMASK, [], [pid 6052] <... futex resumed>) = 0 [pid 6054] <... symlink resumed>) = 0 [pid 6052] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6054] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6055] memfd_create("syzkaller", 0 [pid 6054] <... futex resumed>) = 0 [pid 6053] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] <... openat resumed>) = 3 [pid 6054] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6053] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6055] <... memfd_create resumed>) = 3 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 6055] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6054] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6056 attached [pid 6055] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6054] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6053] <... clone3 resumed> => {parent_tid=[6056]}, 88) = 6056 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6056] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6053] rt_sigprocmask(SIG_SETMASK, [], [pid 6051] <... mount resumed>) = 0 [pid 5065] close(3 [pid 6054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6051] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5065] <... close resumed>) = 0 [pid 6056] <... rseq resumed>) = 0 [pid 6054] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6053] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... openat resumed>) = 3 [pid 6049] <... sync resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6056] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6054] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6053] <... futex resumed>) = 0 [pid 6051] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6049] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6051] <... chdir resumed>) = 0 [pid 6049] <... futex resumed>) = 0 [pid 6048] exit_group(0 [pid 6055] 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"..., 524288 [pid 6054] <... mprotect resumed>) = 0 [pid 6051] ioctl(4, LOOP_CLR_FD [pid 6048] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6057 attached [pid 6056] <... set_robust_list resumed>) = 0 [pid 6054] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6051] <... ioctl resumed>) = 0 [pid 6049] +++ exited with 0 +++ [pid 6048] +++ exited with 0 +++ [pid 6056] rt_sigprocmask(SIG_SETMASK, [], [pid 6054] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6051] close(4 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6048, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6057 [pid 6056] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6057] set_robust_list(0x5555556c56a0, 24 [pid 6056] memfd_create("syzkaller", 0 [pid 6054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6051] <... close resumed>) = 0 [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 6051] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... restart_syscall resumed>) = 0 [pid 6055] <... write resumed>) = 524288 [pid 6051] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6056] <... memfd_create resumed>) = 3 [pid 6050] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6058 attached [pid 6056] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6058] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6057] chdir("./79" [pid 6056] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6054] <... clone3 resumed> => {parent_tid=[6058]}, 88) = 6058 [pid 6050] <... futex resumed>) = 0 [pid 6058] <... rseq resumed>) = 0 [pid 6050] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6051] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6051] <... mknod resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6056] 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"..., 524288 [pid 5067] <... openat resumed>) = 3 [pid 6058] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6054] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, [pid 6058] <... set_robust_list resumed>) = 0 [pid 6057] <... chdir resumed>) = 0 [pid 6054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6058] rt_sigprocmask(SIG_SETMASK, [], [pid 6057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6054] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6057] <... prctl resumed>) = 0 [pid 6054] <... futex resumed>) = 0 [pid 6051] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] umount2("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6058] memfd_create("syzkaller", 0 [pid 6057] setpgid(0, 0 [pid 6054] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6051] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 6058] <... memfd_create resumed>) = 3 [pid 6057] <... setpgid resumed>) = 0 [pid 6055] munmap(0x7fdb7f81d000, 138412032 [pid 6051] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6050] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6055] <... munmap resumed>) = 0 [pid 6050] <... futex resumed>) = 0 [pid 6058] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6057] <... openat resumed>) = 3 [pid 6055] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6050] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6057] write(3, "1000", 4 [pid 6055] <... openat resumed>) = 4 [pid 5067] <... umount2 resumed>) = 0 [pid 6057] <... write resumed>) = 4 [pid 6055] ioctl(4, LOOP_SET_FD, 3 [pid 6058] 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"..., 524288 [pid 6057] close(3 [pid 6051] <... open resumed>) = 4 [pid 5067] umount2("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6051] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6057] <... close resumed>) = 0 [pid 6056] <... write resumed>) = 524288 [pid 6051] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6057] symlink("/dev/binderfs", "./binderfs" [pid 6050] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6050] <... futex resumed>) = 0 [pid 5067] umount2("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6057] <... symlink resumed>) = 0 [pid 6050] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6051] sync( [pid 5067] openat(AT_FDCWD, "./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6057] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... openat resumed>) = 4 [pid 6057] <... futex resumed>) = 0 [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6057] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6056] munmap(0x7fdb7f81d000, 138412032 [pid 5067] getdents64(4, [pid 6057] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 6057] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6056] <... munmap resumed>) = 0 [pid 5067] rmdir("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6056] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6057] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6056] <... openat resumed>) = 4 [pid 6055] <... ioctl resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./78/binderfs", [pid 6057] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6056] ioctl(4, LOOP_SET_FD, 3 [pid 6055] close(3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6057] <... mprotect resumed>) = 0 [pid 6055] <... close resumed>) = 0 [pid 5067] unlink("./78/binderfs" [pid 6055] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5067] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] close(3 [pid 6057] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] <... close resumed>) = 0 [pid 6055] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] rmdir("./78" [pid 6058] <... write resumed>) = 524288 [pid 6057] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6051] <... sync resumed>) = 0 [pid 6051] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... rmdir resumed>) = 0 [pid 6057] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6051] <... futex resumed>) = 1 [pid 6050] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6059 attached [pid 6051] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6050] exit_group(0 [pid 5067] mkdir("./79", 0777 [pid 6058] munmap(0x7fdb7f81d000, 138412032 [pid 6059] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6057] <... clone3 resumed> => {parent_tid=[6059]}, 88) = 6059 [pid 6051] <... futex resumed>) = ? [pid 6050] <... exit_group resumed>) = ? [pid 6059] <... rseq resumed>) = 0 [pid 6058] <... munmap resumed>) = 0 [pid 6057] rt_sigprocmask(SIG_SETMASK, [], [pid 6056] <... ioctl resumed>) = 0 [pid 6051] +++ exited with 0 +++ [pid 6050] +++ exited with 0 +++ [pid 5067] <... mkdir resumed>) = 0 [pid 6058] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6056] close(3 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6058] ioctl(4, LOOP_SET_FD, 3 [pid 6055] <... mount resumed>) = 0 [ 166.591712][ T6055] loop5: detected capacity change from 0 to 1024 [ 166.625440][ T6056] loop4: detected capacity change from 0 to 1024 [pid 6059] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6057] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6050, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6059] <... set_robust_list resumed>) = 0 [pid 6057] <... futex resumed>) = 0 [pid 6056] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 6059] rt_sigprocmask(SIG_SETMASK, [], [pid 6057] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6056] <... mkdir resumed>) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 6059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6059] memfd_create("syzkaller", 0 [pid 6056] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6055] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5067] close(3 [pid 5066] <... restart_syscall resumed>) = 0 [pid 6059] <... memfd_create resumed>) = 3 [pid 6055] <... openat resumed>) = 3 [pid 5067] <... close resumed>) = 0 [pid 6055] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6058] <... ioctl resumed>) = 0 [pid 6055] <... chdir resumed>) = 0 [pid 6059] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6058] close(3 [pid 6055] ioctl(4, LOOP_CLR_FD [pid 5066] umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6058] <... close resumed>) = 0 [pid 6055] <... ioctl resumed>) = 0 [pid 6058] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6055] close(4 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6055] <... close resumed>) = 0 [pid 6058] <... mkdir resumed>) = 0 [pid 6055] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6055] <... futex resumed>) = 1 [pid 6052] <... futex resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 6055] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6052] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] newfstatat(3, "", [pid 6058] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6056] <... mount resumed>) = 0 [pid 6055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6052] <... futex resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6060 attached [pid 6059] 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"..., 524288 [pid 6056] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6055] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6052] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] getdents64(3, [pid 6060] set_robust_list(0x5555556c56a0, 24 [pid 6056] <... openat resumed>) = 3 [pid 6055] <... mknod resumed>) = 0 [pid 6060] <... set_robust_list resumed>) = 0 [pid 6055] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6060 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6060] chdir("./79" [pid 6056] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6055] <... futex resumed>) = 1 [pid 6052] <... futex resumed>) = 0 [pid 5066] umount2("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6060] <... chdir resumed>) = 0 [pid 6056] <... chdir resumed>) = 0 [pid 6055] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6052] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6052] <... futex resumed>) = 0 [pid 6055] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6052] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6056] ioctl(4, LOOP_CLR_FD [pid 6060] <... prctl resumed>) = 0 [ 166.669991][ T6058] loop0: detected capacity change from 0 to 1024 [pid 6058] <... mount resumed>) = 0 [pid 6056] <... ioctl resumed>) = 0 [pid 6060] setpgid(0, 0 [pid 6056] close(4 [pid 6060] <... setpgid resumed>) = 0 [pid 6056] <... close resumed>) = 0 [pid 6060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6056] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6060] <... openat resumed>) = 3 [pid 6060] write(3, "1000", 4 [pid 6058] <... openat resumed>) = 3 [pid 6056] <... futex resumed>) = 1 [pid 6053] <... futex resumed>) = 0 [pid 6060] <... write resumed>) = 4 [pid 6058] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6056] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6055] <... open resumed>) = 4 [pid 6053] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] close(3 [pid 6058] <... chdir resumed>) = 0 [pid 6056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6055] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = 0 [pid 6058] ioctl(4, LOOP_CLR_FD [pid 6053] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6052] <... futex resumed>) = 0 [pid 6055] <... futex resumed>) = 1 [pid 6055] sync( [pid 6052] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6052] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] <... close resumed>) = 0 [pid 6059] <... write resumed>) = 524288 [pid 6058] <... ioctl resumed>) = 0 [pid 6056] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6060] symlink("/dev/binderfs", "./binderfs" [pid 6059] munmap(0x7fdb7f81d000, 138412032 [pid 6058] close(4 [pid 6056] <... mknod resumed>) = 0 [pid 6060] <... symlink resumed>) = 0 [pid 6059] <... munmap resumed>) = 0 [pid 6060] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6056] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... futex resumed>) = 0 [pid 6059] <... openat resumed>) = 4 [pid 6056] <... futex resumed>) = 1 [pid 6053] <... futex resumed>) = 0 [pid 6060] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6059] ioctl(4, LOOP_SET_FD, 3 [pid 6056] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6053] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6058] <... close resumed>) = 0 [pid 6058] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = 0 [pid 6060] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6058] <... futex resumed>) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6053] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6058] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] <... futex resumed>) = 0 [pid 6058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6058] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6056] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6054] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6058] <... mknod resumed>) = 0 [pid 6058] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6060] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6054] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6060] <... mprotect resumed>) = 0 [pid 6054] <... futex resumed>) = 0 [pid 6060] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6054] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5066] <... umount2 resumed>) = 0 [pid 6056] <... open resumed>) = 4 [pid 6060] <... clone3 resumed> => {parent_tid=[6061]}, 88) = 6061 [pid 6060] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] umount2("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6061 attached [pid 6060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6056] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] <... ioctl resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6061] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6060] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... futex resumed>) = 1 [pid 6053] <... futex resumed>) = 0 [pid 6061] <... rseq resumed>) = 0 [pid 6060] <... futex resumed>) = 0 [pid 6059] close(3 [pid 6056] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6053] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5066] newfstatat(AT_FDCWD, "./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6061] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6060] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6059] <... close resumed>) = 0 [pid 6058] <... open resumed>) = 4 [pid 6056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6053] <... futex resumed>) = 0 [pid 6061] <... set_robust_list resumed>) = 0 [pid 6059] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6058] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] sync( [pid 6053] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6061] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6061] memfd_create("syzkaller", 0 [pid 6059] <... mkdir resumed>) = 0 [pid 6058] <... futex resumed>) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6061] <... memfd_create resumed>) = 3 [pid 6059] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6054] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] sync( [pid 6054] <... futex resumed>) = 0 [pid 5066] umount2("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [ 166.762197][ T6059] loop1: detected capacity change from 0 to 1024 [pid 6061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 6054] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] openat(AT_FDCWD, "./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5066] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6061] 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"..., 524288 [pid 6059] <... mount resumed>) = 0 [pid 6055] <... sync resumed>) = 0 [pid 5066] getdents64(4, [pid 6055] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6055] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6059] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6059] <... openat resumed>) = 3 [pid 6052] exit_group(0) = ? [pid 6055] <... futex resumed>) = ? [pid 5066] getdents64(4, [pid 6055] +++ exited with 0 +++ [pid 6052] +++ exited with 0 +++ [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] close(4 [pid 6058] <... sync resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6052, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6059] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5066] <... close resumed>) = 0 [pid 6059] <... chdir resumed>) = 0 [pid 6058] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5066] rmdir("./78/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6059] ioctl(4, LOOP_CLR_FD [pid 6056] <... sync resumed>) = 0 [pid 6059] <... ioctl resumed>) = 0 [pid 6056] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5066] <... rmdir resumed>) = 0 [pid 6059] close(4 [pid 6058] <... futex resumed>) = 1 [pid 6056] <... futex resumed>) = 0 [pid 6054] <... futex resumed>) = 0 [pid 6053] exit_group(0 [pid 5069] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6059] <... close resumed>) = 0 [pid 6058] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] exit_group(0) = ? [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6059] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... futex resumed>) = ? [pid 6056] <... futex resumed>) = ? [pid 6053] <... exit_group resumed>) = ? [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(AT_FDCWD, "./78/binderfs", [pid 6059] <... futex resumed>) = 1 [pid 6058] +++ exited with 0 +++ [pid 6057] <... futex resumed>) = 0 [pid 6056] +++ exited with 0 +++ [pid 6054] +++ exited with 0 +++ [pid 6053] +++ exited with 0 +++ [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6061] <... write resumed>) = 524288 [pid 6059] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6053, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] unlink("./78/binderfs" [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6054, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6057] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 6061] munmap(0x7fdb7f81d000, 138412032 [pid 6059] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6057] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] newfstatat(3, "", [pid 6061] <... munmap resumed>) = 0 [pid 6059] <... mknod resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... unlink resumed>) = 0 [pid 5068] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6061] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6059] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6061] <... openat resumed>) = 4 [pid 6059] <... futex resumed>) = 1 [pid 6057] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5066] getdents64(3, [pid 5064] <... openat resumed>) = 3 [pid 6061] ioctl(4, LOOP_SET_FD, 3 [pid 6059] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6057] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] newfstatat(3, "", [pid 6059] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] newfstatat(3, "", [pid 5066] close(3 [pid 6057] <... futex resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... close resumed>) = 0 [pid 6057] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] rmdir("./78" [pid 5064] getdents64(3, [pid 6059] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5066] <... rmdir resumed>) = 0 [pid 5066] mkdir("./79", 0777 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] umount2("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] umount2("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(3, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5069] newfstatat(AT_FDCWD, "./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... mkdir resumed>) = 0 [pid 6061] <... ioctl resumed>) = 0 [pid 6061] close(3) = 0 [pid 6061] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5069] umount2("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(4, [pid 6061] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6059] <... open resumed>) = 4 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6059] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] close(4 [pid 5066] <... openat resumed>) = 3 [pid 6059] <... futex resumed>) = 1 [pid 6057] <... futex resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5064] <... umount2 resumed>) = 0 [pid 6059] sync( [pid 6057] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] rmdir("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] umount2("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6057] <... futex resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5066] close(3 [pid 6057] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... close resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6061] <... mount resumed>) = 0 [pid 5069] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6061] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 166.892317][ T6061] loop3: detected capacity change from 0 to 1024 [pid 6061] <... openat resumed>) = 3 [pid 5069] newfstatat(AT_FDCWD, "./79/binderfs", [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] umount2("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6061] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6061] <... chdir resumed>) = 0 [pid 5069] unlink("./79/binderfs" [pid 6061] ioctl(4, LOOP_CLR_FD) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 6061] close(4) = 0 [pid 6061] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6061] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] umount2("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6060] <... futex resumed>) = 0 [pid 6060] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6061] <... futex resumed>) = 0 [pid 6060] <... futex resumed>) = 1 [pid 5068] newfstatat(AT_FDCWD, "./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6061] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] openat(AT_FDCWD, "./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6061] <... mknod resumed>) = 0 [pid 5068] umount2("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6060] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... openat resumed>) = 4 [pid 6061] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(4, "", [pid 6061] <... futex resumed>) = 1 [pid 6060] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6061] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... unlink resumed>) = 0 [pid 5064] <... openat resumed>) = 4 [pid 5069] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] newfstatat(4, "", [pid 5069] close(3) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] <... futex resumed>) = 0 [pid 5069] rmdir("./79" [pid 5068] getdents64(4, [pid 5064] getdents64(4, [pid 6061] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6060] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6062 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] mkdir("./80", 0777 [pid 5068] close(4./strace-static-x86_64: Process 6062 attached [pid 5069] <... mkdir resumed>) = 0 [pid 5064] getdents64(4, [pid 6062] set_robust_list(0x5555556c56a0, 24 [pid 6057] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6062] <... set_robust_list resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5068] <... close resumed>) = 0 [pid 5064] close(4 [pid 6062] chdir("./79" [pid 5069] <... openat resumed>) = 3 [pid 5068] rmdir("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... close resumed>) = 0 [pid 6062] <... chdir resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... rmdir resumed>) = 0 [pid 5064] rmdir("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... ioctl resumed>) = 0 [pid 5068] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6062] <... prctl resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5064] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6062] setpgid(0, 0 [pid 5069] close(3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6062] <... setpgid resumed>) = 0 [pid 6061] <... open resumed>) = 4 [pid 6059] <... sync resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./80/binderfs", [pid 5064] newfstatat(AT_FDCWD, "./80/binderfs", [pid 6061] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6059] <... futex resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6061] <... futex resumed>) = 1 [pid 6060] <... futex resumed>) = 0 [pid 6059] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] unlink("./80/binderfs" [pid 5064] unlink("./80/binderfs" [pid 6061] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] <... futex resumed>) = 0 [pid 6057] exit_group(0 [pid 5068] <... unlink resumed>) = 0 [pid 5064] <... unlink resumed>) = 0 [pid 6061] sync( [pid 6060] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] <... futex resumed>) = ? [pid 6057] <... exit_group resumed>) = ? [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6063 [pid 5068] getdents64(3, [pid 5064] getdents64(3, ./strace-static-x86_64: Process 6063 attached [pid 6062] <... openat resumed>) = 3 [pid 6063] set_robust_list(0x5555556c56a0, 24 [pid 6062] write(3, "1000", 4 [pid 6059] +++ exited with 0 +++ [pid 6057] +++ exited with 0 +++ [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6063] <... set_robust_list resumed>) = 0 [pid 6062] <... write resumed>) = 4 [pid 5068] close(3 [pid 5064] close(3 [pid 6062] close(3 [pid 5068] <... close resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6057, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5064] <... close resumed>) = 0 [pid 5068] rmdir("./80" [pid 5064] rmdir("./80" [pid 6062] <... close resumed>) = 0 [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 6062] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... restart_syscall resumed>) = 0 [pid 6063] chdir("./80" [pid 6061] <... sync resumed>) = 0 [pid 5068] mkdir("./81", 0777 [pid 5064] <... rmdir resumed>) = 0 [pid 6063] <... chdir resumed>) = 0 [pid 6061] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6062] <... symlink resumed>) = 0 [pid 6061] <... futex resumed>) = 1 [pid 6060] <... futex resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5064] mkdir("./81", 0777 [pid 6063] <... prctl resumed>) = 0 [pid 6062] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] exit_group(0 [pid 5065] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6063] setpgid(0, 0 [pid 6061] <... futex resumed>) = ? [pid 6060] <... exit_group resumed>) = ? [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6063] <... setpgid resumed>) = 0 [pid 6062] <... futex resumed>) = 0 [pid 6061] +++ exited with 0 +++ [pid 5068] <... openat resumed>) = 3 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... mkdir resumed>) = 0 [pid 6063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5065] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6063] <... openat resumed>) = 3 [pid 6062] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6060] +++ exited with 0 +++ [pid 5068] <... ioctl resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6060, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5068] close(3) = 0 [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 6063] write(3, "1000", 4 [pid 5067] <... restart_syscall resumed>) = 0 [pid 6063] <... write resumed>) = 4 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6062] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5065] <... openat resumed>) = 3 [pid 6063] close(3 [pid 5067] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6062] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5065] newfstatat(3, "", [pid 5064] <... openat resumed>) = 3 [pid 6063] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 6062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6063] symlink("/dev/binderfs", "./binderfs" [pid 6062] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5067] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] getdents64(3, [pid 6063] <... symlink resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6064 [pid 6062] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5067] <... openat resumed>) = 3 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] newfstatat(3, "", [pid 5065] umount2("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] close(3 [pid 6062] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6064 attached [pid 6063] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... close resumed>) = 0 [pid 6064] set_robust_list(0x5555556c56a0, 24 [pid 6063] <... futex resumed>) = 0 [pid 6062] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6064] <... set_robust_list resumed>) = 0 [pid 6062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5067] getdents64(3, [pid 6064] chdir("./81" [pid 6063] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6064] <... chdir resumed>) = 0 [pid 6063] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] umount2("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6066 attached [pid 6064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6063] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6065 attached [pid 6066] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6064] <... prctl resumed>) = 0 [pid 6063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6062] <... clone3 resumed> => {parent_tid=[6066]}, 88) = 6066 [pid 6065] set_robust_list(0x5555556c56a0, 24 [pid 6066] <... rseq resumed>) = 0 [pid 6064] setpgid(0, 0 [pid 6063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6062] rt_sigprocmask(SIG_SETMASK, [], [pid 6065] <... set_robust_list resumed>) = 0 [pid 6064] <... setpgid resumed>) = 0 [pid 6063] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6066] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6065 [pid 6066] <... set_robust_list resumed>) = 0 [pid 6062] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] rt_sigprocmask(SIG_SETMASK, [], [pid 6062] <... futex resumed>) = 0 [pid 6066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6062] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6065] chdir("./81" [pid 6066] memfd_create("syzkaller", 0 [pid 6064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6063] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6065] <... chdir resumed>) = 0 [pid 6066] <... memfd_create resumed>) = 3 [pid 6064] <... openat resumed>) = 3 [pid 6063] <... mprotect resumed>) = 0 [pid 6065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6064] write(3, "1000", 4 [pid 6063] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6065] <... prctl resumed>) = 0 [pid 6066] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6064] <... write resumed>) = 4 [pid 6064] close(3 [pid 6063] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6065] setpgid(0, 0 [pid 6064] <... close resumed>) = 0 [pid 6063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6065] <... setpgid resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 6065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6064] symlink("/dev/binderfs", "./binderfs" [pid 6065] <... openat resumed>) = 3 [pid 6064] <... symlink resumed>) = 0 [pid 6063] <... clone3 resumed> => {parent_tid=[6067]}, 88) = 6067 [pid 6063] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6063] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6063] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6065] write(3, "1000", 4./strace-static-x86_64: Process 6067 attached ) = 4 [pid 6064] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6065] close(3 [pid 6064] <... futex resumed>) = 0 [pid 6067] <... rseq resumed>) = 0 [pid 6065] <... close resumed>) = 0 [pid 6066] 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"..., 524288 [pid 6064] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6067] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6065] symlink("/dev/binderfs", "./binderfs" [pid 6064] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6067] <... set_robust_list resumed>) = 0 [pid 6065] <... symlink resumed>) = 0 [pid 6064] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5067] umount2("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6067] rt_sigprocmask(SIG_SETMASK, [], [pid 6065] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6065] <... futex resumed>) = 0 [pid 6064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] <... umount2 resumed>) = 0 [pid 6067] memfd_create("syzkaller", 0 [pid 6066] <... write resumed>) = 524288 [pid 6064] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5067] newfstatat(AT_FDCWD, "./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6065] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6064] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6065] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6064] <... mprotect resumed>) = 0 [pid 6065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6064] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6064] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6065] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6065] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6064] <... clone3 resumed> => {parent_tid=[6068]}, 88) = 6068 [pid 6065] <... mprotect resumed>) = 0 [pid 6064] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6068 attached [pid 6065] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6065] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6068] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6064] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] <... rseq resumed>) = 0 [pid 6068] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6067] <... memfd_create resumed>) = 3 [pid 6065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6064] <... futex resumed>) = 0 [pid 6068] <... set_robust_list resumed>) = 0 [pid 6068] rt_sigprocmask(SIG_SETMASK, [], [pid 6067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6066] munmap(0x7fdb7f81d000, 138412032 [pid 6064] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6069 attached [pid 6068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6067] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6065] <... clone3 resumed> => {parent_tid=[6069]}, 88) = 6069 [pid 6065] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6069] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6068] memfd_create("syzkaller", 0 [pid 6067] 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"..., 524288 [pid 6065] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] umount2("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6065] <... futex resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6066] <... munmap resumed>) = 0 [pid 6065] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] openat(AT_FDCWD, "./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] newfstatat(AT_FDCWD, "./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5067] <... openat resumed>) = 4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6069] <... rseq resumed>) = 0 [pid 5067] newfstatat(4, "", [pid 5065] umount2("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6069] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6069] <... set_robust_list resumed>) = 0 [pid 6068] <... memfd_create resumed>) = 3 [pid 6066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] getdents64(4, [pid 5065] openat(AT_FDCWD, "./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6069] rt_sigprocmask(SIG_SETMASK, [], [pid 6068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6066] <... openat resumed>) = 4 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] <... openat resumed>) = 4 [pid 6069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] getdents64(4, [pid 5065] newfstatat(4, "", [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] close(4 [pid 5065] getdents64(4, [pid 5067] <... close resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] rmdir("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] getdents64(4, [pid 5067] <... rmdir resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] close(4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... close resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./79/binderfs", [pid 5065] rmdir("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6069] memfd_create("syzkaller", 0 [pid 6066] ioctl(4, LOOP_SET_FD, 3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5067] unlink("./79/binderfs") = 0 [pid 5065] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] close(3) = 0 [pid 5065] newfstatat(AT_FDCWD, "./79/binderfs", [pid 5067] rmdir("./79" [pid 6069] <... memfd_create resumed>) = 3 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5065] unlink("./79/binderfs") = 0 [pid 5065] getdents64(3, [pid 5067] mkdir("./80", 0777 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5065] close(3 [pid 6067] <... write resumed>) = 524288 [pid 6069] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5065] <... close resumed>) = 0 [pid 6068] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5065] rmdir("./79") = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5065] mkdir("./80", 0777 [pid 5067] <... openat resumed>) = 3 [pid 5065] <... mkdir resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5067] close(3) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6068] 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"..., 524288 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6070 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 6070 attached ) = 3 [pid 5065] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5065] close(3 [ 167.189773][ T6066] loop2: detected capacity change from 0 to 1024 [pid 6070] set_robust_list(0x5555556c56a0, 24 [pid 5065] <... close resumed>) = 0 [pid 6070] <... set_robust_list resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6070] chdir("./80") = 0 [pid 6070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6070] setpgid(0, 0 [pid 6066] <... ioctl resumed>) = 0 [pid 6070] <... setpgid resumed>) = 0 [pid 6070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6071 ./strace-static-x86_64: Process 6071 attached [pid 6070] <... openat resumed>) = 3 [pid 6069] 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"..., 524288 [pid 6066] close(3 [pid 6071] set_robust_list(0x5555556c56a0, 24) = 0 [pid 6071] chdir("./80") = 0 [pid 6066] <... close resumed>) = 0 [pid 6071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6067] munmap(0x7fdb7f81d000, 138412032 [pid 6066] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6071] <... prctl resumed>) = 0 [pid 6070] write(3, "1000", 4 [pid 6071] setpgid(0, 0 [pid 6070] <... write resumed>) = 4 [pid 6071] <... setpgid resumed>) = 0 [pid 6070] close(3 [pid 6066] <... mkdir resumed>) = 0 [pid 6071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6070] <... close resumed>) = 0 [pid 6070] symlink("/dev/binderfs", "./binderfs" [pid 6067] <... munmap resumed>) = 0 [pid 6070] <... symlink resumed>) = 0 [pid 6071] <... openat resumed>) = 3 [pid 6070] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6070] <... futex resumed>) = 0 [pid 6070] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 6070] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6070] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 6071] write(3, "1000", 4 [pid 6070] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6067] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6071] <... write resumed>) = 4 [pid 6070] <... mprotect resumed>) = 0 [pid 6071] close(3 [pid 6070] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6067] <... openat resumed>) = 4 [pid 6071] <... close resumed>) = 0 [pid 6067] ioctl(4, LOOP_SET_FD, 3 [pid 6071] symlink("/dev/binderfs", "./binderfs" [pid 6070] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6071] <... symlink resumed>) = 0 [pid 6070] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6071] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6072 attached [pid 6071] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6070] <... clone3 resumed> => {parent_tid=[6072]}, 88) = 6072 [pid 6072] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6071] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6070] rt_sigprocmask(SIG_SETMASK, [], [pid 6072] <... rseq resumed>) = 0 [pid 6071] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6069] <... write resumed>) = 524288 [pid 6072] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6070] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... set_robust_list resumed>) = 0 [pid 6071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6070] <... futex resumed>) = 0 [pid 6072] rt_sigprocmask(SIG_SETMASK, [], [pid 6071] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6070] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6071] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6072] memfd_create("syzkaller", 0 [pid 6071] <... mprotect resumed>) = 0 [pid 6072] <... memfd_create resumed>) = 3 [pid 6071] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6071] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6069] munmap(0x7fdb7f81d000, 138412032 [pid 6072] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6071] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6072] 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"..., 524288 [pid 6069] <... munmap resumed>) = 0 [pid 6071] <... clone3 resumed> => {parent_tid=[6073]}, 88) = 6073 [pid 6071] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6071] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6071] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6073 attached [pid 6069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6073] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6069] ioctl(4, LOOP_SET_FD, 3 [pid 6073] <... rseq resumed>) = 0 [pid 6073] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 6073] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6068] <... write resumed>) = 524288 [pid 6073] memfd_create("syzkaller", 0 [pid 6068] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 6067] <... ioctl resumed>) = 0 [ 167.294437][ T6067] loop5: detected capacity change from 0 to 1024 [pid 6068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6067] close(3) = 0 [pid 6067] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6068] <... openat resumed>) = 4 [pid 6073] <... memfd_create resumed>) = 3 [pid 6067] <... mkdir resumed>) = 0 [pid 6066] <... mount resumed>) = 0 [pid 6066] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6068] ioctl(4, LOOP_SET_FD, 3 [pid 6067] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6066] <... openat resumed>) = 3 [pid 6073] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6073] 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"..., 524288 [pid 6068] <... ioctl resumed>) = 0 [pid 6066] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6072] <... write resumed>) = 524288 [pid 6068] close(3 [pid 6066] <... chdir resumed>) = 0 [pid 6066] ioctl(4, LOOP_CLR_FD) = 0 [pid 6066] close(4 [pid 6068] <... close resumed>) = 0 [pid 6066] <... close resumed>) = 0 [pid 6066] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6062] <... futex resumed>) = 0 [pid 6068] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6066] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] munmap(0x7fdb7f81d000, 138412032 [pid 6069] <... ioctl resumed>) = 0 [pid 6072] <... munmap resumed>) = 0 [pid 6068] <... mkdir resumed>) = 0 [pid 6072] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6062] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] ioctl(4, LOOP_SET_FD, 3 [pid 6066] <... futex resumed>) = 0 [pid 6062] <... futex resumed>) = 1 [pid 6069] close(3 [pid 6068] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6067] <... mount resumed>) = 0 [pid 6066] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6069] <... close resumed>) = 0 [pid 6069] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6067] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6066] <... mknod resumed>) = 0 [pid 6069] <... mkdir resumed>) = 0 [pid 6067] <... openat resumed>) = 3 [pid 6066] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 167.340651][ T6069] loop0: detected capacity change from 0 to 1024 [ 167.352308][ T6068] loop4: detected capacity change from 0 to 1024 [ 167.380270][ T6072] loop3: detected capacity change from 0 to 1024 [pid 6067] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6066] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] <... chdir resumed>) = 0 [pid 6069] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6067] ioctl(4, LOOP_CLR_FD [pid 6062] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6067] <... ioctl resumed>) = 0 [pid 6062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] close(4 [pid 6062] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... ioctl resumed>) = 0 [pid 6067] <... close resumed>) = 0 [pid 6066] <... futex resumed>) = 0 [pid 6062] <... futex resumed>) = 1 [pid 6073] <... write resumed>) = 524288 [pid 6072] close(3 [pid 6068] <... mount resumed>) = 0 [pid 6067] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6062] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] <... close resumed>) = 0 [pid 6073] munmap(0x7fdb7f81d000, 138412032 [pid 6072] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6067] <... futex resumed>) = 1 [pid 6063] <... futex resumed>) = 0 [pid 6067] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6073] <... munmap resumed>) = 0 [pid 6072] <... mkdir resumed>) = 0 [pid 6063] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 1 [pid 6067] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6063] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6067] <... mknod resumed>) = 0 [pid 6073] <... openat resumed>) = 4 [pid 6069] <... mount resumed>) = 0 [pid 6068] <... openat resumed>) = 3 [pid 6067] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] ioctl(4, LOOP_SET_FD, 3 [pid 6069] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6068] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6067] <... futex resumed>) = 1 [pid 6063] <... futex resumed>) = 0 [pid 6072] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6069] <... openat resumed>) = 3 [pid 6068] <... chdir resumed>) = 0 [pid 6067] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6063] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6068] ioctl(4, LOOP_CLR_FD [pid 6067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6066] <... open resumed>) = 4 [pid 6063] <... futex resumed>) = 0 [pid 6069] <... chdir resumed>) = 0 [pid 6068] <... ioctl resumed>) = 0 [pid 6067] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6066] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] ioctl(4, LOOP_CLR_FD [pid 6068] close(4 [pid 6066] <... futex resumed>) = 1 [pid 6062] <... futex resumed>) = 0 [pid 6069] <... ioctl resumed>) = 0 [pid 6068] <... close resumed>) = 0 [pid 6066] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] close(4 [pid 6068] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6062] <... futex resumed>) = 0 [pid 6068] <... futex resumed>) = 1 [pid 6066] sync( [pid 6064] <... futex resumed>) = 0 [pid 6062] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] <... close resumed>) = 0 [pid 6068] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6064] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6064] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] <... ioctl resumed>) = 0 [pid 6073] close(3) = 0 [pid 6073] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6069] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6069] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6069] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6065] <... futex resumed>) = 0 [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] <... mknod resumed>) = 0 [ 167.452307][ T6073] loop1: detected capacity change from 0 to 1024 [pid 6065] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6072] <... mount resumed>) = 0 [pid 6069] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6069] <... futex resumed>) = 1 [pid 6068] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... open resumed>) = 4 [pid 6065] <... futex resumed>) = 0 [pid 6063] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] <... futex resumed>) = 1 [pid 6067] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] <... futex resumed>) = 0 [pid 6063] <... futex resumed>) = 0 [pid 6073] <... mount resumed>) = 0 [pid 6072] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] <... futex resumed>) = 0 [pid 6065] <... futex resumed>) = 0 [pid 6064] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6073] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6072] <... openat resumed>) = 3 [pid 6069] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] <... futex resumed>) = 0 [pid 6063] <... mmap resumed>) = 0x7fdb87bfc000 [pid 6073] <... openat resumed>) = 3 [pid 6066] <... sync resumed>) = 0 [pid 6064] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6066] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6072] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6066] <... futex resumed>) = 1 [pid 6062] <... futex resumed>) = 0 [pid 6073] <... chdir resumed>) = 0 [pid 6072] <... chdir resumed>) = 0 [pid 6068] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6066] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6063] mprotect(0x7fdb87bfd000, 131072, PROT_READ|PROT_WRITE [pid 6062] exit_group(0 [pid 6073] ioctl(4, LOOP_CLR_FD [pid 6072] ioctl(4, LOOP_CLR_FD [pid 6066] <... futex resumed>) = ? [pid 6063] <... mprotect resumed>) = 0 [pid 6062] <... exit_group resumed>) = ? [pid 6073] <... ioctl resumed>) = 0 [pid 6072] <... ioctl resumed>) = 0 [pid 6073] close(4 [pid 6072] close(4 [pid 6073] <... close resumed>) = 0 [pid 6072] <... close resumed>) = 0 [pid 6073] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... futex resumed>) = 1 [pid 6071] <... futex resumed>) = 0 [pid 6066] +++ exited with 0 +++ [pid 6063] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6062] +++ exited with 0 +++ [pid 6073] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6071] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... mknod resumed>) = 0 [pid 6071] <... futex resumed>) = 0 [pid 6063] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6062, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6072] <... futex resumed>) = 1 [pid 6071] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6070] <... futex resumed>) = 0 [pid 6063] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c1c990, parent_tid=0x7fdb87c1c990, exit_signal=0, stack=0x7fdb87bfc000, stack_size=0x20300, tls=0x7fdb87c1c6c0} [pid 5066] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6073] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6070] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6070] <... futex resumed>) = 0 [pid 6072] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6070] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6074 attached [pid 6072] <... mknod resumed>) = 0 [pid 6074] rseq(0x7fdb87c1cfe0, 0x20, 0, 0x53053053 [pid 6073] <... futex resumed>) = 1 [pid 6072] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... futex resumed>) = 0 [pid 6068] <... open resumed>) = 4 [pid 6065] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6064] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6063] <... clone3 resumed> => {parent_tid=[6074]}, 88) = 6074 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6074] <... rseq resumed>) = 0 [pid 6073] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6072] <... futex resumed>) = 1 [pid 6071] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] <... futex resumed>) = 0 [pid 6068] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6074] set_robust_list(0x7fdb87c1c9a0, 24 [pid 6072] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6071] <... futex resumed>) = 0 [pid 6070] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... open resumed>) = 4 [pid 6065] <... futex resumed>) = 0 [pid 6071] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6070] <... futex resumed>) = 0 [pid 6065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6074] <... set_robust_list resumed>) = 0 [pid 6072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6069] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] <... futex resumed>) = 0 [pid 6064] <... futex resumed>) = 0 [pid 6063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... openat resumed>) = 3 [pid 6074] rt_sigprocmask(SIG_SETMASK, [], [pid 6072] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6070] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] <... futex resumed>) = 0 [pid 6068] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6063] futex(0x7fdb87d096b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] newfstatat(3, "", [pid 6074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6073] <... open resumed>) = 4 [pid 6069] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6064] <... mmap resumed>) = 0x7fdb87bfc000 [pid 6074] sync( [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6064] mprotect(0x7fdb87bfd000, 131072, PROT_READ|PROT_WRITE [pid 6063] <... futex resumed>) = 0 [pid 6073] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... mmap resumed>) = 0x7fdb87bfc000 [pid 6064] <... mprotect resumed>) = 0 [pid 6063] futex(0x7fdb87d096bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] getdents64(3, [pid 6073] <... futex resumed>) = 1 [pid 6071] <... futex resumed>) = 0 [pid 6065] mprotect(0x7fdb87bfd000, 131072, PROT_READ|PROT_WRITE [pid 6064] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6071] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... mprotect resumed>) = 0 [pid 6064] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] umount2("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6073] sync( [pid 6071] <... futex resumed>) = 0 [pid 6065] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6064] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c1c990, parent_tid=0x7fdb87c1c990, exit_signal=0, stack=0x7fdb87bfc000, stack_size=0x20300, tls=0x7fdb87c1c6c0} [pid 6072] <... open resumed>) = 4 [pid 6071] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6065] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6075 attached [pid 6072] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c1c990, parent_tid=0x7fdb87c1c990, exit_signal=0, stack=0x7fdb87bfc000, stack_size=0x20300, tls=0x7fdb87c1c6c0} [pid 5066] <... umount2 resumed>) = 0 [pid 6064] <... clone3 resumed> => {parent_tid=[6075]}, 88) = 6075 [pid 6075] rseq(0x7fdb87c1cfe0, 0x20, 0, 0x53053053 [pid 6072] <... futex resumed>) = 1 [pid 6070] <... futex resumed>) = 0 [pid 6075] <... rseq resumed>) = 0 [pid 6070] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] <... clone3 resumed> => {parent_tid=[6076]}, 88) = 6076 [pid 6070] <... futex resumed>) = 0 [pid 6065] rt_sigprocmask(SIG_SETMASK, [], [pid 6070] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6075] set_robust_list(0x7fdb87c1c9a0, 24 [pid 6065] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6076 attached [pid 6072] sync( [pid 6065] futex(0x7fdb87d096b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] rseq(0x7fdb87c1cfe0, 0x20, 0, 0x53053053 [pid 6075] <... set_robust_list resumed>) = 0 [pid 6064] rt_sigprocmask(SIG_SETMASK, [], [pid 6076] <... rseq resumed>) = 0 [pid 6065] <... futex resumed>) = 0 [pid 6076] set_robust_list(0x7fdb87c1c9a0, 24 [pid 6075] rt_sigprocmask(SIG_SETMASK, [], [pid 6065] futex(0x7fdb87d096bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6076] <... set_robust_list resumed>) = 0 [pid 6075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6064] futex(0x7fdb87d096b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] rt_sigprocmask(SIG_SETMASK, [], [pid 6075] sync( [pid 6076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6076] sync( [pid 6064] <... futex resumed>) = 0 [pid 5066] umount2("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6076] <... sync resumed>) = 0 [pid 6075] <... sync resumed>) = 0 [pid 6073] <... sync resumed>) = 0 [pid 6072] <... sync resumed>) = 0 [pid 6064] futex(0x7fdb87d096bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5066] newfstatat(AT_FDCWD, "./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6075] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6076] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... futex resumed>) = 0 [pid 6074] <... sync resumed>) = 0 [pid 6073] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... futex resumed>) = 1 [pid 6070] <... futex resumed>) = 0 [pid 6064] exit_group(0 [pid 5066] umount2("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6076] <... futex resumed>) = 1 [pid 6073] <... futex resumed>) = 1 [pid 6072] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6071] <... futex resumed>) = 0 [pid 6070] exit_group(0 [pid 6068] <... futex resumed>) = ? [pid 6065] <... futex resumed>) = 0 [pid 6064] <... exit_group resumed>) = ? [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6076] futex(0x7fdb87d096b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6075] +++ exited with 0 +++ [pid 6074] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] <... futex resumed>) = ? [pid 6071] exit_group(0 [pid 6070] <... exit_group resumed>) = ? [pid 6068] +++ exited with 0 +++ [pid 6065] exit_group(0 [pid 6063] exit_group(0 [pid 5066] openat(AT_FDCWD, "./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6076] <... futex resumed>) = ? [pid 6074] <... futex resumed>) = ? [pid 6073] <... futex resumed>) = ? [pid 6072] +++ exited with 0 +++ [pid 6071] <... exit_group resumed>) = ? [pid 6069] <... futex resumed>) = ? [pid 6067] <... futex resumed>) = ? [pid 6065] <... exit_group resumed>) = ? [pid 6063] <... exit_group resumed>) = ? [pid 5066] <... openat resumed>) = 4 [pid 6076] +++ exited with 0 +++ [pid 6070] +++ exited with 0 +++ [pid 6064] +++ exited with 0 +++ [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6070, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6064, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5067] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] newfstatat(4, "", [pid 6067] +++ exited with 0 +++ [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] newfstatat(3, "", [pid 6074] +++ exited with 0 +++ [pid 6063] +++ exited with 0 +++ [pid 5068] <... openat resumed>) = 3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(4, [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6063, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5068] newfstatat(3, "", [pid 6073] +++ exited with 0 +++ [pid 6071] +++ exited with 0 +++ [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(3, [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] getdents64(4, [pid 6069] +++ exited with 0 +++ [pid 6065] +++ exited with 0 +++ [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] umount2("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6071, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5069] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] close(4 [pid 5065] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... close resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6065, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5065] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] rmdir("./79/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] <... openat resumed>) = 3 [pid 5065] newfstatat(3, "", [pid 5069] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... umount2 resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 3 [pid 5065] getdents64(3, [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(AT_FDCWD, "./79/binderfs", [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] umount2("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... openat resumed>) = 3 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] unlink("./79/binderfs" [pid 5064] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5069] newfstatat(3, "", [pid 5066] <... unlink resumed>) = 0 [pid 5064] umount2("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] getdents64(3, [pid 5067] newfstatat(AT_FDCWD, "./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] umount2("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] close(3 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] umount2("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] umount2("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] openat(AT_FDCWD, "./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... close resumed>) = 0 [pid 5065] <... openat resumed>) = 4 [pid 5067] <... openat resumed>) = 4 [pid 5066] rmdir("./79" [pid 5065] newfstatat(4, "", [pid 5067] newfstatat(4, "", [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(4, [pid 5067] getdents64(4, [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] getdents64(4, [pid 5067] getdents64(4, [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] close(4 [pid 5067] close(4 [pid 5065] <... close resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5065] rmdir("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] rmdir("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] <... rmdir resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5065] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(AT_FDCWD, "./80/binderfs", [pid 5066] mkdir("./80", 0777 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] unlink("./80/binderfs" [pid 5067] newfstatat(AT_FDCWD, "./80/binderfs", [pid 5065] <... unlink resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] getdents64(3, [pid 5067] unlink("./80/binderfs" [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] <... mkdir resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5065] close(3 [pid 5067] getdents64(3, [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5065] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] rmdir("./80" [pid 5067] close(3 [pid 5065] <... rmdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5067] rmdir("./80" [pid 5065] mkdir("./81", 0777 [pid 5067] <... rmdir resumed>) = 0 [pid 5068] umount2("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] mkdir("./81", 0777 [pid 5066] <... openat resumed>) = 3 [pid 5065] <... mkdir resumed>) = 0 [pid 5064] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... mkdir resumed>) = 0 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5068] newfstatat(AT_FDCWD, "./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] umount2("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... ioctl resumed>) = 0 [pid 5066] close(3 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] close(3) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] umount2("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... close resumed>) = 0 [pid 5064] newfstatat(AT_FDCWD, "./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] umount2("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6078 attached [pid 5068] openat(AT_FDCWD, "./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6078] set_robust_list(0x5555556c56a0, 24 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6078 [pid 6078] <... set_robust_list resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5064] openat(AT_FDCWD, "./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6078] chdir("./80" [pid 5065] <... openat resumed>) = 3 [pid 6078] <... chdir resumed>) = 0 [pid 5064] <... openat resumed>) = 4 [pid 5068] newfstatat(4, "", [pid 6078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5064] newfstatat(4, "", [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6077 [pid 5065] <... ioctl resumed>) = 0 [pid 5064] getdents64(4, [pid 5065] close(3 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] getdents64(4, [pid 6078] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6077 attached [pid 5069] <... umount2 resumed>) = 0 [pid 5068] getdents64(4, [pid 5065] <... close resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6077] set_robust_list(0x5555556c56a0, 24 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6077] <... set_robust_list resumed>) = 0 [pid 6077] chdir("./81") = 0 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6079 [pid 6077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6077] setpgid(0, 0./strace-static-x86_64: Process 6079 attached ) = 0 [pid 6079] set_robust_list(0x5555556c56a0, 24 [pid 6077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] close(4 [pid 6077] <... openat resumed>) = 3 [pid 6077] write(3, "1000", 4 [pid 5068] close(4 [pid 5064] <... close resumed>) = 0 [pid 6077] <... write resumed>) = 4 [pid 6078] setpgid(0, 0 [pid 5068] <... close resumed>) = 0 [pid 5064] rmdir("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6079] <... set_robust_list resumed>) = 0 [pid 6077] close(3 [pid 6078] <... setpgid resumed>) = 0 [pid 5069] umount2("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] rmdir("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6079] chdir("./81" [pid 6077] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6079] <... chdir resumed>) = 0 [pid 6077] symlink("/dev/binderfs", "./binderfs" [pid 6079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6077] <... symlink resumed>) = 0 [pid 6078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] newfstatat(AT_FDCWD, "./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5068] <... rmdir resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 6079] <... prctl resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6079] setpgid(0, 0 [pid 6078] <... openat resumed>) = 3 [pid 5069] umount2("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6079] <... setpgid resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... openat resumed>) = 4 [pid 5068] newfstatat(AT_FDCWD, "./81/binderfs", [pid 5064] newfstatat(AT_FDCWD, "./81/binderfs", [pid 6079] <... openat resumed>) = 3 [pid 5069] newfstatat(4, "", [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] unlink("./81/binderfs" [pid 6078] write(3, "1000", 4 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] getdents64(4, [pid 5068] <... unlink resumed>) = 0 [pid 6079] write(3, "1000", 4 [pid 6078] <... write resumed>) = 4 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(3, [pid 5064] unlink("./81/binderfs" [pid 6078] close(3 [pid 5069] getdents64(4, [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6079] <... write resumed>) = 4 [pid 6077] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] close(3 [pid 6077] <... futex resumed>) = 0 [pid 6078] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] close(3 [pid 5064] <... unlink resumed>) = 0 [pid 6079] <... close resumed>) = 0 [pid 6077] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6078] symlink("/dev/binderfs", "./binderfs" [pid 5069] close(4 [pid 5068] <... close resumed>) = 0 [pid 6079] symlink("/dev/binderfs", "./binderfs" [pid 6077] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5069] <... close resumed>) = 0 [pid 6079] <... symlink resumed>) = 0 [pid 6077] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6078] <... symlink resumed>) = 0 [pid 5069] rmdir("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] rmdir("./81" [pid 5064] getdents64(3, [pid 6079] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6079] <... futex resumed>) = 0 [pid 6077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6079] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6077] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6079] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6077] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6077] <... mprotect resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5064] close(3 [pid 6079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6077] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 6077] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6079] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6077] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6078] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] mkdir("./82", 0777 [pid 5064] <... close resumed>) = 0 [pid 5069] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6080 attached [pid 6079] <... mprotect resumed>) = 0 [pid 6080] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6079] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6077] <... clone3 resumed> => {parent_tid=[6080]}, 88) = 6080 [pid 6080] <... rseq resumed>) = 0 [pid 6079] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6077] rt_sigprocmask(SIG_SETMASK, [], [pid 6080] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] rmdir("./81"./strace-static-x86_64: Process 6081 attached [pid 6080] <... set_robust_list resumed>) = 0 [pid 6077] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] <... futex resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./80/binderfs", [pid 5068] <... mkdir resumed>) = 0 [pid 6081] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6080] rt_sigprocmask(SIG_SETMASK, [], [pid 6079] <... clone3 resumed> => {parent_tid=[6081]}, 88) = 6081 [pid 6077] <... futex resumed>) = 0 [pid 6081] <... rseq resumed>) = 0 [pid 6080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6079] rt_sigprocmask(SIG_SETMASK, [], [pid 6077] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6078] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 6081] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6080] memfd_create("syzkaller", 0 [pid 6079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6078] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6081] <... set_robust_list resumed>) = 0 [pid 6080] <... memfd_create resumed>) = 3 [pid 6079] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] rt_sigprocmask(SIG_SETMASK, [], [pid 6080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6079] <... futex resumed>) = 0 [pid 6081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6080] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6079] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6078] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] unlink("./80/binderfs" [pid 5068] <... openat resumed>) = 3 [pid 5064] mkdir("./82", 0777 [pid 6081] memfd_create("syzkaller", 0 [pid 6080] 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"..., 524288 [pid 6081] <... memfd_create resumed>) = 3 [pid 6081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 6081] 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"..., 524288 [pid 5069] <... unlink resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] getdents64(3, [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] <... mkdir resumed>) = 0 [pid 6078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5068] close(3 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6080] <... write resumed>) = 524288 [pid 6078] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5069] close(3 [pid 5068] <... close resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5069] rmdir("./80" [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6078] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6082 [pid 5064] close(3./strace-static-x86_64: Process 6082 attached [pid 6078] <... mprotect resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 6078] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] mkdir("./81", 0777 [pid 5064] <... close resumed>) = 0 [pid 6082] set_robust_list(0x5555556c56a0, 24 [pid 6081] <... write resumed>) = 524288 [pid 6080] munmap(0x7fdb7f81d000, 138412032 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6080] <... munmap resumed>) = 0 [pid 6080] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6082] <... set_robust_list resumed>) = 0 [pid 6080] <... openat resumed>) = 4 [pid 6082] chdir("./82" [pid 6080] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6083 attached ) = 0 [pid 6078] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6083 [pid 6082] <... chdir resumed>) = 0 [pid 6081] munmap(0x7fdb7f81d000, 138412032 [pid 6083] set_robust_list(0x5555556c56a0, 24 [pid 6082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6081] <... munmap resumed>) = 0 [pid 6078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6083] <... set_robust_list resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6083] chdir("./82" [pid 6082] <... prctl resumed>) = 0 [pid 6081] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6084 attached [pid 6083] <... chdir resumed>) = 0 [pid 6082] setpgid(0, 0 [pid 6081] <... openat resumed>) = 4 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 6084] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6082] <... setpgid resumed>) = 0 [pid 6078] <... clone3 resumed> => {parent_tid=[6084]}, 88) = 6084 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6084] <... rseq resumed>) = 0 [pid 6083] <... prctl resumed>) = 0 [pid 6082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6081] ioctl(4, LOOP_SET_FD, 3 [pid 6080] close(3 [pid 6078] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] close(3 [pid 6084] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6083] setpgid(0, 0 [pid 6082] <... openat resumed>) = 3 [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... close resumed>) = 0 [pid 6084] <... set_robust_list resumed>) = 0 [pid 6083] <... setpgid resumed>) = 0 [pid 6082] write(3, "1000", 4 [pid 6080] <... close resumed>) = 0 [pid 6078] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6084] rt_sigprocmask(SIG_SETMASK, [], [pid 6083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6082] <... write resumed>) = 4 [pid 6080] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6078] <... futex resumed>) = 0 [pid 6084] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6083] <... openat resumed>) = 3 [pid 6082] close(3 [pid 6080] <... mkdir resumed>) = 0 [pid 6078] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6082] <... close resumed>) = 0 [pid 6084] memfd_create("syzkaller", 0 [pid 6082] symlink("/dev/binderfs", "./binderfs" [pid 6083] write(3, "1000", 4./strace-static-x86_64: Process 6085 attached [pid 6084] <... memfd_create resumed>) = 3 [pid 6083] <... write resumed>) = 4 [pid 6082] <... symlink resumed>) = 0 [pid 6080] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6085] set_robust_list(0x5555556c56a0, 24 [pid 6084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6083] close(3 [pid 6082] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... ioctl resumed>) = 0 [pid 6085] <... set_robust_list resumed>) = 0 [pid 6082] <... futex resumed>) = 0 [pid 6085] chdir("./81" [pid 6083] <... close resumed>) = 0 [pid 6082] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 6081] close(3 [pid 6083] symlink("/dev/binderfs", "./binderfs" [pid 6082] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6081] <... close resumed>) = 0 [pid 6084] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6085 [pid 6082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6085] <... chdir resumed>) = 0 [pid 6083] <... symlink resumed>) = 0 [pid 6082] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6081] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6082] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6081] <... mkdir resumed>) = 0 [pid 6085] <... prctl resumed>) = 0 [pid 6083] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... mprotect resumed>) = 0 [pid 6085] setpgid(0, 0 [pid 6084] 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"..., 524288 [pid 6083] <... futex resumed>) = 0 [pid 6082] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6081] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6080] <... mount resumed>) = 0 [pid 6085] <... setpgid resumed>) = 0 [pid 6083] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6082] <... rt_sigprocmask resumed>[], 8) = 0 [ 168.057961][ T6080] loop3: detected capacity change from 0 to 1024 [ 168.078718][ T6081] loop1: detected capacity change from 0 to 1024 [pid 6080] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6083] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6082] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6081] <... mount resumed>) = 0 [pid 6080] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6086 attached [pid 6085] <... openat resumed>) = 3 [pid 6083] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6081] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6080] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6086] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6081] <... openat resumed>) = 3 [pid 6080] <... chdir resumed>) = 0 [pid 6081] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6080] ioctl(4, LOOP_CLR_FD [pid 6083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6086] <... rseq resumed>) = 0 [pid 6085] write(3, "1000", 4 [pid 6082] <... clone3 resumed> => {parent_tid=[6086]}, 88) = 6086 [pid 6081] <... chdir resumed>) = 0 [pid 6080] <... ioctl resumed>) = 0 [pid 6086] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6085] <... write resumed>) = 4 [pid 6083] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6081] ioctl(4, LOOP_CLR_FD [pid 6080] close(4 [pid 6086] <... set_robust_list resumed>) = 0 [pid 6083] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6082] rt_sigprocmask(SIG_SETMASK, [], [pid 6081] <... ioctl resumed>) = 0 [pid 6080] <... close resumed>) = 0 [pid 6086] rt_sigprocmask(SIG_SETMASK, [], [pid 6085] close(3 [pid 6083] <... mprotect resumed>) = 0 [pid 6082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6081] close(4 [pid 6086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6085] <... close resumed>) = 0 [pid 6083] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6082] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... close resumed>) = 0 [pid 6080] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] memfd_create("syzkaller", 0 [pid 6085] symlink("/dev/binderfs", "./binderfs" [pid 6083] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6082] <... futex resumed>) = 0 [pid 6081] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... futex resumed>) = 1 [pid 6077] <... futex resumed>) = 0 [pid 6086] <... memfd_create resumed>) = 3 [pid 6085] <... symlink resumed>) = 0 [pid 6086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6077] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6086] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6085] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6081] <... futex resumed>) = 1 [pid 6080] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6079] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = 0 [pid 6086] 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"..., 524288 [pid 6085] <... futex resumed>) = 0 [pid 6084] <... write resumed>) = 524288 [pid 6080] <... mknod resumed>) = 0 [pid 6079] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6081] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6079] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6087 attached [pid 6085] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6083] <... clone3 resumed> => {parent_tid=[6087]}, 88) = 6087 [pid 6081] <... mknod resumed>) = 0 [pid 6079] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6087] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6084] munmap(0x7fdb7f81d000, 138412032 [pid 6083] rt_sigprocmask(SIG_SETMASK, [], [pid 6080] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... rseq resumed>) = 0 [pid 6085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6083] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6081] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] <... futex resumed>) = 1 [pid 6077] <... futex resumed>) = 0 [pid 6087] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6086] <... write resumed>) = 524288 [pid 6085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6084] <... munmap resumed>) = 0 [pid 6083] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... futex resumed>) = 1 [pid 6080] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] <... futex resumed>) = 0 [pid 6077] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... set_robust_list resumed>) = 0 [pid 6084] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6083] <... futex resumed>) = 0 [pid 6087] rt_sigprocmask(SIG_SETMASK, [], [pid 6083] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6087] memfd_create("syzkaller", 0 [pid 6084] <... openat resumed>) = 4 [pid 6084] ioctl(4, LOOP_SET_FD, 3 [pid 6087] <... memfd_create resumed>) = 3 [pid 6077] <... futex resumed>) = 0 [pid 6079] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6085] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6079] <... futex resumed>) = 0 [pid 6085] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6079] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] <... mprotect resumed>) = 0 [pid 6085] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6081] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6087] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6085] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 6088 attached [pid 6088] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053) = 0 [pid 6085] <... clone3 resumed> => {parent_tid=[6088]}, 88) = 6088 [pid 6088] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 6088] rt_sigprocmask(SIG_SETMASK, [], [pid 6087] 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"..., 524288 [pid 6086] munmap(0x7fdb7f81d000, 138412032 [pid 6085] rt_sigprocmask(SIG_SETMASK, [], [pid 6084] <... ioctl resumed>) = 0 [pid 6088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6084] close(3 [pid 6081] <... open resumed>) = 4 [pid 6080] <... open resumed>) = 4 [pid 6088] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... close resumed>) = 0 [pid 6081] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6086] <... munmap resumed>) = 0 [pid 6085] <... futex resumed>) = 0 [pid 6084] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6081] <... futex resumed>) = 1 [pid 6080] <... futex resumed>) = 1 [pid 6079] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = 0 [pid 6088] memfd_create("syzkaller", 0 [pid 6085] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6081] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... memfd_create resumed>) = 3 [pid 6087] <... write resumed>) = 524288 [pid 6086] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6084] <... mkdir resumed>) = 0 [pid 6081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = 0 [pid 6088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6087] munmap(0x7fdb7f81d000, 138412032 [pid 6086] <... openat resumed>) = 4 [pid 6081] sync( [pid 6080] sync( [pid 6079] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6087] <... munmap resumed>) = 0 [pid 6086] ioctl(4, LOOP_SET_FD, 3 [ 168.229517][ T6084] loop2: detected capacity change from 0 to 1024 [pid 6084] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6088] 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"..., 524288 [pid 6087] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6087] ioctl(4, LOOP_SET_FD, 3 [pid 6086] <... ioctl resumed>) = 0 [pid 6084] <... mount resumed>) = 0 [pid 6084] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6086] close(3) = 0 [pid 6081] <... sync resumed>) = 0 [pid 6080] <... sync resumed>) = 0 [pid 6080] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6080] <... futex resumed>) = 1 [pid 6084] <... openat resumed>) = 3 [pid 6081] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6081] <... futex resumed>) = 1 [pid 6079] <... futex resumed>) = 0 [pid 6077] <... futex resumed>) = 0 [pid 6086] <... mkdir resumed>) = 0 [pid 6084] <... chdir resumed>) = 0 [pid 6081] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] exit_group(0 [pid 6077] exit_group(0 [pid 6086] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6084] ioctl(4, LOOP_CLR_FD [pid 6081] <... futex resumed>) = ? [pid 6080] <... futex resumed>) = ? [pid 6079] <... exit_group resumed>) = ? [pid 6077] <... exit_group resumed>) = ? [pid 6084] <... ioctl resumed>) = 0 [pid 6080] +++ exited with 0 +++ [pid 6084] close(4 [pid 6077] +++ exited with 0 +++ [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6077, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5067] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6084] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6087] <... ioctl resumed>) = 0 [pid 5067] newfstatat(3, "", [pid 6087] close(3 [pid 6084] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6087] <... close resumed>) = 0 [pid 6084] <... futex resumed>) = 1 [pid 6078] <... futex resumed>) = 0 [pid 5067] getdents64(3, [pid 6087] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6084] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6078] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6087] <... mkdir resumed>) = 0 [pid 6081] +++ exited with 0 +++ [pid 6079] +++ exited with 0 +++ [pid 6078] <... futex resumed>) = 0 [pid 5067] umount2("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6078] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6079, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6088] <... write resumed>) = 524288 [pid 6084] <... mknod resumed>) = 0 [pid 5065] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [ 168.273555][ T6086] loop4: detected capacity change from 0 to 1024 [ 168.287024][ T6087] loop0: detected capacity change from 0 to 1024 [pid 6088] munmap(0x7fdb7f81d000, 138412032 [pid 6087] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6086] <... mount resumed>) = 0 [pid 6084] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6088] <... munmap resumed>) = 0 [pid 6084] <... futex resumed>) = 1 [pid 6078] <... futex resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6078] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... openat resumed>) = 3 [pid 6086] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6084] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6078] <... futex resumed>) = 0 [pid 5065] newfstatat(3, "", [pid 6088] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6086] <... openat resumed>) = 3 [pid 6078] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] umount2("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6088] <... openat resumed>) = 4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] getdents64(3, [pid 6088] ioctl(4, LOOP_SET_FD, 3 [pid 5067] newfstatat(AT_FDCWD, "./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6086] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] umount2("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6086] <... chdir resumed>) = 0 [pid 5067] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6086] ioctl(4, LOOP_CLR_FD [pid 5067] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6086] <... ioctl resumed>) = 0 [pid 5067] close(4) = 0 [pid 5067] rmdir("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6086] close(4 [pid 5067] <... rmdir resumed>) = 0 [pid 5067] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./81/binderfs" [pid 6086] <... close resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 6086] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6086] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6088] <... ioctl resumed>) = 0 [pid 6082] <... futex resumed>) = 0 [pid 5067] getdents64(3, [pid 6082] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6087] <... mount resumed>) = 0 [pid 6088] close(3 [pid 6082] <... futex resumed>) = 0 [pid 6087] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5067] close(3 [pid 6088] <... close resumed>) = 0 [pid 6082] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... close resumed>) = 0 [pid 6088] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5067] rmdir("./81" [pid 6088] <... mkdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 6088] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6087] <... openat resumed>) = 3 [pid 6086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6084] <... open resumed>) = 4 [pid 6086] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6084] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] <... futex resumed>) = 0 [pid 5067] mkdir("./82", 0777 [pid 6087] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6084] <... futex resumed>) = 1 [pid 6078] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] <... chdir resumed>) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6084] sync( [pid 6087] ioctl(4, LOOP_CLR_FD [pid 6078] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6087] <... ioctl resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6087] close(4 [pid 5067] <... openat resumed>) = 3 [pid 6087] <... close resumed>) = 0 [pid 6086] <... mknod resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 6087] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6083] <... futex resumed>) = 0 [ 168.349960][ T6088] loop5: detected capacity change from 0 to 1024 [pid 6088] <... mount resumed>) = 0 [pid 6087] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6083] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6088] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6083] <... futex resumed>) = 0 [pid 5067] close(3 [pid 6088] <... openat resumed>) = 3 [pid 6083] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6087] <... mknod resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 6088] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6087] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] umount2("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6088] <... chdir resumed>) = 0 [pid 6087] <... futex resumed>) = 1 [pid 6086] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... futex resumed>) = 0 [pid 6088] ioctl(4, LOOP_CLR_FD [pid 6087] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6086] <... futex resumed>) = 0 [pid 6084] <... sync resumed>) = 0 [pid 6083] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6086] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6084] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... futex resumed>) = 0 [pid 6087] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6083] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] <... ioctl resumed>) = 0 [pid 6082] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(AT_FDCWD, "./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6088] close(4 [pid 6086] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = 1 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6089 [pid 6088] <... close resumed>) = 0 [pid 6086] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6084] <... futex resumed>) = 1 [pid 6082] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6089 attached [pid 6088] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] exit_group(0 [pid 5065] umount2("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6089] set_robust_list(0x5555556c56a0, 24 [pid 6088] <... futex resumed>) = 1 [pid 6085] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] <... set_robust_list resumed>) = 0 [pid 6088] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... futex resumed>) = ? [pid 6078] <... exit_group resumed>) = ? [pid 5065] openat(AT_FDCWD, "./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6089] chdir("./82" [pid 6088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6085] <... futex resumed>) = 0 [pid 6084] +++ exited with 0 +++ [pid 5065] <... openat resumed>) = 4 [pid 6085] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6089] <... chdir resumed>) = 0 [pid 6087] <... open resumed>) = 4 [pid 6086] <... open resumed>) = 4 [pid 6078] +++ exited with 0 +++ [pid 5065] newfstatat(4, "", [pid 6087] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6087] <... futex resumed>) = 1 [pid 6086] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6083] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6089] <... prctl resumed>) = 0 [pid 6087] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6086] <... futex resumed>) = 1 [pid 6083] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... futex resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6078, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5065] getdents64(4, [pid 6089] setpgid(0, 0 [pid 6087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6086] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6083] <... futex resumed>) = 0 [pid 6082] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6089] <... setpgid resumed>) = 0 [pid 6088] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] sync( [pid 6086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6083] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6088] <... futex resumed>) = 1 [pid 6086] sync( [pid 6085] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] getdents64(4, [pid 6089] <... openat resumed>) = 3 [pid 6088] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... openat resumed>) = 3 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6089] write(3, "1000", 4 [pid 6088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6085] <... futex resumed>) = 0 [pid 5066] newfstatat(3, "", [pid 5065] close(4 [pid 6088] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6085] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... close resumed>) = 0 [pid 6089] <... write resumed>) = 4 [pid 5066] getdents64(3, [pid 5065] rmdir("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6089] close(3 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... rmdir resumed>) = 0 [pid 6089] <... close resumed>) = 0 [pid 5066] umount2("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6089] symlink("/dev/binderfs", "./binderfs" [pid 5065] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6089] <... symlink resumed>) = 0 [pid 6089] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] <... futex resumed>) = 0 [pid 6089] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5065] newfstatat(AT_FDCWD, "./81/binderfs", [pid 6089] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6089] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5065] unlink("./81/binderfs" [pid 6089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 5065] <... unlink resumed>) = 0 [pid 6089] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6089] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] getdents64(3, [pid 6089] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6088] <... open resumed>) = 4 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6089] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6088] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] close(3./strace-static-x86_64: Process 6090 attached [pid 6088] <... futex resumed>) = 1 [pid 6085] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 6090] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6087] <... sync resumed>) = 0 [pid 6086] <... sync resumed>) = 0 [pid 6085] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... umount2 resumed>) = 0 [pid 6087] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] <... futex resumed>) = 0 [pid 6090] <... rseq resumed>) = 0 [pid 6089] <... clone3 resumed> => {parent_tid=[6090]}, 88) = 6090 [pid 6085] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] rmdir("./81" [pid 6090] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6089] rt_sigprocmask(SIG_SETMASK, [], [pid 6088] sync( [pid 6087] <... futex resumed>) = 1 [pid 6086] <... futex resumed>) = 1 [pid 6083] <... futex resumed>) = 0 [pid 6082] <... futex resumed>) = 0 [pid 5066] umount2("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... rmdir resumed>) = 0 [pid 6086] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6083] exit_group(0) = ? [pid 6082] exit_group(0) = ? [pid 6086] <... futex resumed>) = ? [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6087] +++ exited with 0 +++ [pid 6083] +++ exited with 0 +++ [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6083, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5066] newfstatat(AT_FDCWD, "./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6090] <... set_robust_list resumed>) = 0 [pid 6089] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] mkdir("./82", 0777 [pid 6089] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... mkdir resumed>) = 0 [pid 6089] <... futex resumed>) = 0 [pid 5066] umount2("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6090] rt_sigprocmask(SIG_SETMASK, [], [pid 6089] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... openat resumed>) = 3 [pid 6090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] openat(AT_FDCWD, "./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5064] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6090] memfd_create("syzkaller", 0 [pid 5066] <... openat resumed>) = 4 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(4, "", [pid 6090] <... memfd_create resumed>) = 3 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] close(3 [pid 5064] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] getdents64(4, [pid 6090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] <... close resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 6090] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5066] getdents64(4, [pid 6090] 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"..., 524288 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6086] +++ exited with 0 +++ [pid 6082] +++ exited with 0 +++ [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] newfstatat(3, "", [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6082, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5066] close(4) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] rmdir("./80/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6091 [pid 5064] getdents64(3, ./strace-static-x86_64: Process 6091 attached [pid 6085] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... rmdir resumed>) = 0 [pid 6091] set_robust_list(0x5555556c56a0, 24 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6091] <... set_robust_list resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6090] <... write resumed>) = 524288 [pid 6088] <... sync resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5064] umount2("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6091] chdir("./82" [pid 5068] newfstatat(3, "", [pid 5066] newfstatat(AT_FDCWD, "./80/binderfs", [pid 6091] <... chdir resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6088] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(3, [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6091] <... prctl resumed>) = 0 [pid 6088] <... futex resumed>) = 0 [pid 6085] exit_group(0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] unlink("./80/binderfs" [pid 6085] <... exit_group resumed>) = ? [pid 6091] setpgid(0, 0 [pid 5068] umount2("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... unlink resumed>) = 0 [pid 6091] <... setpgid resumed>) = 0 [pid 5066] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] close(3) = 0 [pid 6088] +++ exited with 0 +++ [pid 6085] +++ exited with 0 +++ [pid 5066] rmdir("./80" [pid 6090] munmap(0x7fdb7f81d000, 138412032 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6085, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5066] <... rmdir resumed>) = 0 [pid 6091] <... openat resumed>) = 3 [pid 6090] <... munmap resumed>) = 0 [pid 5069] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6091] write(3, "1000", 4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] mkdir("./81", 0777 [pid 6091] <... write resumed>) = 4 [pid 5069] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... umount2 resumed>) = 0 [pid 5066] <... mkdir resumed>) = 0 [pid 5064] <... umount2 resumed>) = 0 [pid 6090] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6091] close(3 [pid 5069] <... openat resumed>) = 3 [pid 6091] <... close resumed>) = 0 [pid 6090] <... openat resumed>) = 4 [pid 5069] newfstatat(3, "", [pid 5068] umount2("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5064] umount2("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6091] symlink("/dev/binderfs", "./binderfs" [pid 6090] ioctl(4, LOOP_SET_FD, 3 [pid 5069] getdents64(3, [pid 5068] newfstatat(AT_FDCWD, "./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] <... openat resumed>) = 3 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6091] <... symlink resumed>) = 0 [pid 6090] <... ioctl resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] newfstatat(AT_FDCWD, "./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6091] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6091] <... futex resumed>) = 0 [pid 6091] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5069] umount2("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6091] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6091] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] umount2("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] openat(AT_FDCWD, "./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6090] close(3 [pid 5068] <... openat resumed>) = 4 [pid 5064] openat(AT_FDCWD, "./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6090] <... close resumed>) = 0 [pid 6090] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6090] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5064] <... openat resumed>) = 4 [pid 6091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] newfstatat(4, "", [pid 5066] close(3 [pid 6091] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5064] newfstatat(4, "", [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6091] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6091] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5069] umount2("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(4, [pid 5066] <... close resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6091] <... mprotect resumed>) = 0 [pid 6091] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] getdents64(4, [pid 6091] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] newfstatat(AT_FDCWD, "./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5068] getdents64(4, [pid 6091] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6092 attached [pid 5069] umount2("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] close(4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... close resumed>) = 0 [pid 6092] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6091] <... clone3 resumed> => {parent_tid=[6092]}, 88) = 6092 [pid 5069] openat(AT_FDCWD, "./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 168.648527][ T6090] loop3: detected capacity change from 0 to 1024 [pid 5064] getdents64(4, ./strace-static-x86_64: Process 6093 attached [pid 6092] <... rseq resumed>) = 0 [pid 6091] rt_sigprocmask(SIG_SETMASK, [], [pid 6090] <... mount resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5068] rmdir("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6092] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] newfstatat(4, "", [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6092] <... set_robust_list resumed>) = 0 [pid 6092] rt_sigprocmask(SIG_SETMASK, [], [pid 6091] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6093 [pid 5064] close(4 [pid 6092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6091] <... futex resumed>) = 0 [pid 5069] getdents64(4, [pid 5064] <... close resumed>) = 0 [pid 6093] set_robust_list(0x5555556c56a0, 24 [pid 6090] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6093] <... set_robust_list resumed>) = 0 [pid 6090] <... openat resumed>) = 3 [pid 6093] chdir("./81" [pid 6090] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6093] <... chdir resumed>) = 0 [pid 6092] memfd_create("syzkaller", 0 [pid 6090] <... chdir resumed>) = 0 [pid 5064] rmdir("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6091] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6090] ioctl(4, LOOP_CLR_FD [pid 6093] <... prctl resumed>) = 0 [pid 6090] <... ioctl resumed>) = 0 [pid 5069] getdents64(4, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... rmdir resumed>) = 0 [pid 6093] setpgid(0, 0 [pid 6090] close(4 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] newfstatat(AT_FDCWD, "./82/binderfs", [pid 6093] <... setpgid resumed>) = 0 [pid 6090] <... close resumed>) = 0 [pid 5069] close(4 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6090] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... close resumed>) = 0 [pid 5068] unlink("./82/binderfs" [pid 6093] <... openat resumed>) = 3 [pid 6090] <... futex resumed>) = 1 [pid 6089] <... futex resumed>) = 0 [pid 5069] rmdir("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] <... unlink resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6093] write(3, "1000", 4 [pid 6090] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... write resumed>) = 4 [pid 6090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6089] <... futex resumed>) = 0 [pid 6093] close(3 [pid 6092] <... memfd_create resumed>) = 3 [pid 6090] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6089] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... rmdir resumed>) = 0 [pid 5068] getdents64(3, [pid 5064] newfstatat(AT_FDCWD, "./82/binderfs", [pid 6093] <... close resumed>) = 0 [pid 6092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6090] <... mknod resumed>) = 0 [pid 5069] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6093] symlink("/dev/binderfs", "./binderfs" [pid 6092] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6090] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] close(3 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6093] <... symlink resumed>) = 0 [pid 6090] <... futex resumed>) = 1 [pid 6089] <... futex resumed>) = 0 [pid 5064] unlink("./82/binderfs" [pid 6089] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 6093] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6089] <... futex resumed>) = 0 [pid 6093] <... futex resumed>) = 0 [pid 6089] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] newfstatat(AT_FDCWD, "./81/binderfs", [pid 5068] rmdir("./82" [pid 5064] <... unlink resumed>) = 0 [pid 6093] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 6093] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6092] 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"..., 524288 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5064] getdents64(3, [pid 5069] unlink("./81/binderfs" [pid 5068] mkdir("./83", 0777 [pid 6093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6092] <... write resumed>) = 524288 [pid 6090] <... open resumed>) = 4 [pid 5069] <... unlink resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6090] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6090] <... futex resumed>) = 1 [pid 6089] <... futex resumed>) = 0 [pid 6090] sync( [pid 6089] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6089] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6093] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5069] getdents64(3, [pid 6093] <... mprotect resumed>) = 0 [pid 5064] close(3 [pid 6093] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6092] munmap(0x7fdb7f81d000, 138412032 [pid 5064] <... close resumed>) = 0 [pid 6093] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5064] rmdir("./82" [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 6094 attached [pid 6093] <... clone3 resumed> => {parent_tid=[6094]}, 88) = 6094 [pid 6092] <... munmap resumed>) = 0 [pid 5069] close(3 [pid 5068] <... openat resumed>) = 3 [pid 5064] <... rmdir resumed>) = 0 [pid 6094] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6093] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... close resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5064] mkdir("./83", 0777 [pid 6094] <... rseq resumed>) = 0 [pid 6093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6092] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6090] <... sync resumed>) = 0 [pid 5069] rmdir("./81" [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6094] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6093] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... openat resumed>) = 4 [pid 6090] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... mkdir resumed>) = 0 [pid 6094] <... set_robust_list resumed>) = 0 [pid 6093] <... futex resumed>) = 0 [pid 6090] <... futex resumed>) = 1 [pid 6089] <... futex resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] close(3 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6094] rt_sigprocmask(SIG_SETMASK, [], [pid 6093] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6092] ioctl(4, LOOP_SET_FD, 3 [pid 6090] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6089] exit_group(0 [pid 5069] mkdir("./82", 0777 [pid 5068] <... close resumed>) = 0 [pid 6094] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6092] <... ioctl resumed>) = 0 [pid 6090] <... futex resumed>) = ? [pid 6089] <... exit_group resumed>) = ? [pid 5064] <... openat resumed>) = 3 [pid 6094] memfd_create("syzkaller", 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] ioctl(3, LOOP_CLR_FD [pid 6094] <... memfd_create resumed>) = 3 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5064] close(3 [pid 6094] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5064] <... close resumed>) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6090] +++ exited with 0 +++ [pid 6089] +++ exited with 0 +++ [pid 5069] <... mkdir resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6089, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5067] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6095 attached [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6095] set_robust_list(0x5555556c56a0, 24 [pid 6094] 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"..., 524288 [pid 5069] <... openat resumed>) = 3 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6095 [pid 5067] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6096 ./strace-static-x86_64: Process 6096 attached [pid 6096] set_robust_list(0x5555556c56a0, 24 [pid 5067] <... openat resumed>) = 3 [pid 5067] newfstatat(3, "", [pid 6096] <... set_robust_list resumed>) = 0 [pid 6092] close(3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6096] chdir("./83" [pid 6092] <... close resumed>) = 0 [pid 5067] getdents64(3, [pid 6096] <... chdir resumed>) = 0 [pid 6095] <... set_robust_list resumed>) = 0 [pid 6092] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6095] chdir("./83" [pid 6092] <... mkdir resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] umount2("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6095] <... chdir resumed>) = 0 [pid 5069] close(3 [pid 6096] <... prctl resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 6096] setpgid(0, 0 [pid 6095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6092] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6096] <... setpgid resumed>) = 0 [pid 6095] <... prctl resumed>) = 0 [pid 6096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 168.807246][ T6092] loop1: detected capacity change from 0 to 1024 [pid 6096] write(3, "1000", 4) = 4 [pid 6096] close(3) = 0 [pid 6096] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6096] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6096] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 6096] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 6096] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6095] setpgid(0, 0 [pid 5067] <... umount2 resumed>) = 0 [pid 6095] <... setpgid resumed>) = 0 [pid 6096] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6096] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6096] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6095] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6097 attached [pid 6095] write(3, "1000", 4 [pid 6094] <... write resumed>) = 524288 [pid 6092] <... mount resumed>) = 0 ./strace-static-x86_64: Process 6098 attached [pid 6096] <... clone3 resumed> => {parent_tid=[6098]}, 88) = 6098 [pid 6095] <... write resumed>) = 4 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6097 [pid 5067] umount2("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6097] set_robust_list(0x5555556c56a0, 24 [pid 6095] close(3) = 0 [pid 6097] <... set_robust_list resumed>) = 0 [pid 6098] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6096] rt_sigprocmask(SIG_SETMASK, [], [pid 6095] symlink("/dev/binderfs", "./binderfs" [pid 6094] munmap(0x7fdb7f81d000, 138412032 [pid 6092] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6097] chdir("./82" [pid 6096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6092] <... openat resumed>) = 3 [pid 5067] newfstatat(AT_FDCWD, "./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6098] <... rseq resumed>) = 0 [pid 6096] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... symlink resumed>) = 0 [pid 6094] <... munmap resumed>) = 0 [pid 6092] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6097] <... chdir resumed>) = 0 [pid 6098] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6096] <... futex resumed>) = 0 [pid 6092] <... chdir resumed>) = 0 [pid 6098] <... set_robust_list resumed>) = 0 [pid 6096] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6092] ioctl(4, LOOP_CLR_FD [pid 5067] umount2("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6098] rt_sigprocmask(SIG_SETMASK, [], [pid 6095] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6092] <... ioctl resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6097] <... prctl resumed>) = 0 [pid 6098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6094] <... openat resumed>) = 4 [pid 6092] close(4 [pid 5067] openat(AT_FDCWD, "./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6097] setpgid(0, 0 [pid 6098] memfd_create("syzkaller", 0 [pid 6092] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 6097] <... setpgid resumed>) = 0 [pid 6098] <... memfd_create resumed>) = 3 [pid 6095] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6094] ioctl(4, LOOP_SET_FD, 3 [pid 6092] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] newfstatat(4, "", [pid 6097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6095] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6092] <... futex resumed>) = 1 [pid 6091] <... futex resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6098] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6092] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] getdents64(4, [pid 6097] <... openat resumed>) = 3 [pid 6098] 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"..., 524288 [pid 6095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6091] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6097] write(3, "1000", 4 [pid 6095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6092] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6091] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] getdents64(4, [pid 6097] <... write resumed>) = 4 [pid 6095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6092] <... mknod resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6097] close(3 [pid 6095] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5067] close(4 [pid 6097] <... close resumed>) = 0 [pid 6095] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6092] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... close resumed>) = 0 [pid 6094] <... ioctl resumed>) = 0 [pid 6097] symlink("/dev/binderfs", "./binderfs" [pid 6095] <... mprotect resumed>) = 0 [pid 6094] close(3 [pid 6092] <... futex resumed>) = 1 [pid 6091] <... futex resumed>) = 0 [pid 5067] rmdir("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6097] <... symlink resumed>) = 0 [pid 6095] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6094] <... close resumed>) = 0 [pid 6091] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... rmdir resumed>) = 0 [pid 6097] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6094] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6097] <... futex resumed>) = 0 [pid 6095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 6099 attached [pid 6092] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6091] <... futex resumed>) = 0 [pid 5067] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6099] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6097] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6095] <... clone3 resumed> => {parent_tid=[6099]}, 88) = 6099 [pid 6094] <... mkdir resumed>) = 0 [pid 6091] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6099] <... rseq resumed>) = 0 [pid 6097] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6095] rt_sigprocmask(SIG_SETMASK, [], [pid 6094] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] newfstatat(AT_FDCWD, "./82/binderfs", [pid 6099] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6097] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6092] <... open resumed>) = 4 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6099] <... set_robust_list resumed>) = 0 [pid 6097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6095] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] unlink("./82/binderfs" [pid 6099] rt_sigprocmask(SIG_SETMASK, [], [pid 6097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6095] <... futex resumed>) = 0 [pid 6092] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... unlink resumed>) = 0 [pid 6099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6097] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6095] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6092] <... futex resumed>) = 1 [pid 6091] <... futex resumed>) = 0 [pid 5067] getdents64(3, [pid 6099] memfd_create("syzkaller", 0 [pid 6097] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6098] <... write resumed>) = 524288 [pid 6094] <... mount resumed>) = 0 [pid 6092] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6091] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6099] <... memfd_create resumed>) = 3 [pid 6097] <... mprotect resumed>) = 0 [pid 6098] munmap(0x7fdb7f81d000, 138412032 [pid 6094] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 168.932565][ T6094] loop2: detected capacity change from 0 to 1024 [pid 6091] <... futex resumed>) = 0 [pid 5067] close(3 [pid 6099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6097] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6098] <... munmap resumed>) = 0 [pid 6094] <... openat resumed>) = 3 [pid 6092] sync( [pid 6091] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... close resumed>) = 0 [pid 6099] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6097] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6094] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6094] <... chdir resumed>) = 0 [pid 5067] rmdir("./82"./strace-static-x86_64: Process 6100 attached [pid 6098] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6094] ioctl(4, LOOP_CLR_FD [pid 5067] <... rmdir resumed>) = 0 [pid 6098] <... openat resumed>) = 4 [pid 6098] ioctl(4, LOOP_SET_FD, 3 [pid 6100] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6099] 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"..., 524288 [pid 6097] <... clone3 resumed> => {parent_tid=[6100]}, 88) = 6100 [pid 6094] <... ioctl resumed>) = 0 [pid 6100] <... rseq resumed>) = 0 [pid 6097] rt_sigprocmask(SIG_SETMASK, [], [pid 6094] close(4 [pid 6100] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6097] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] <... close resumed>) = 0 [pid 6100] <... set_robust_list resumed>) = 0 [pid 6097] <... futex resumed>) = 0 [pid 6100] rt_sigprocmask(SIG_SETMASK, [], [pid 6097] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6100] memfd_create("syzkaller", 0 [pid 6094] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] mkdir("./83", 0777) = 0 [pid 6100] <... memfd_create resumed>) = 3 [pid 6094] <... futex resumed>) = 1 [pid 6093] <... futex resumed>) = 0 [pid 6100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6094] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6099] <... write resumed>) = 524288 [pid 6098] <... ioctl resumed>) = 0 [pid 6093] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 6098] close(3 [pid 6094] <... futex resumed>) = 0 [pid 6093] <... futex resumed>) = 1 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 6098] <... close resumed>) = 0 [pid 6094] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6093] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6098] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6094] <... mknod resumed>) = 0 [pid 5067] close(3 [pid 6100] 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"..., 524288 [pid 6098] <... mkdir resumed>) = 0 [pid 6094] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... sync resumed>) = 0 [pid 6091] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] <... close resumed>) = 0 [pid 6099] munmap(0x7fdb7f81d000, 138412032 [pid 6094] <... futex resumed>) = 1 [pid 6093] <... futex resumed>) = 0 [pid 6092] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6091] exit_group(0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6099] <... munmap resumed>) = 0 [pid 6098] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6094] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6093] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... futex resumed>) = ? [ 169.014038][ T6098] loop0: detected capacity change from 0 to 1024 [pid 6091] <... exit_group resumed>) = ? [pid 6094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6093] <... futex resumed>) = 0 [pid 6092] +++ exited with 0 +++ [pid 6099] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6094] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6093] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] +++ exited with 0 +++ [pid 6099] <... openat resumed>) = 4 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6101 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6091, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6099] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6101 attached [pid 6100] <... write resumed>) = 524288 [pid 5065] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6101] set_robust_list(0x5555556c56a0, 24 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6101] <... set_robust_list resumed>) = 0 [pid 6100] munmap(0x7fdb7f81d000, 138412032 [pid 5065] <... openat resumed>) = 3 [pid 5065] newfstatat(3, "", [pid 6101] chdir("./83" [pid 6100] <... munmap resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6101] <... chdir resumed>) = 0 [pid 5065] getdents64(3, [pid 6101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6101] <... prctl resumed>) = 0 [pid 6100] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6099] <... ioctl resumed>) = 0 [pid 6098] <... mount resumed>) = 0 [pid 6094] <... open resumed>) = 4 [pid 6101] setpgid(0, 0 [pid 6099] close(3 [pid 6098] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6101] <... setpgid resumed>) = 0 [pid 6099] <... close resumed>) = 0 [pid 6098] <... openat resumed>) = 3 [pid 6094] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [ 169.083404][ T6099] loop4: detected capacity change from 0 to 1024 [pid 5065] umount2("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6100] <... openat resumed>) = 4 [pid 6099] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6098] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6094] <... futex resumed>) = 1 [pid 6093] <... futex resumed>) = 0 [pid 6093] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] ioctl(4, LOOP_SET_FD, 3 [pid 6099] <... mkdir resumed>) = 0 [pid 6094] sync( [pid 6093] <... futex resumed>) = 0 [pid 6093] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] <... openat resumed>) = 3 [pid 6098] <... chdir resumed>) = 0 [pid 6098] ioctl(4, LOOP_CLR_FD [pid 6101] write(3, "1000", 4 [pid 6099] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6098] <... ioctl resumed>) = 0 [pid 6101] <... write resumed>) = 4 [pid 6098] close(4 [pid 6101] close(3 [pid 6098] <... close resumed>) = 0 [pid 6098] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6096] <... futex resumed>) = 0 [pid 6101] <... close resumed>) = 0 [pid 6096] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] symlink("/dev/binderfs", "./binderfs" [pid 6098] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6096] <... futex resumed>) = 0 [pid 6101] <... symlink resumed>) = 0 [pid 6098] <... mknod resumed>) = 0 [pid 6096] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6099] <... mount resumed>) = 0 [pid 6098] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6099] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6098] <... futex resumed>) = 1 [pid 6096] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 6101] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6099] <... openat resumed>) = 3 [pid 6098] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... ioctl resumed>) = 0 [pid 6101] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6096] <... futex resumed>) = 0 [pid 6101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6096] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6098] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6101] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6100] close(3 [pid 6099] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6101] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6100] <... close resumed>) = 0 [pid 6099] <... chdir resumed>) = 0 [pid 5065] umount2("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6101] <... mprotect resumed>) = 0 [pid 6100] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6099] ioctl(4, LOOP_CLR_FD [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6099] <... ioctl resumed>) = 0 [pid 6101] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6099] close(4 [pid 5065] newfstatat(AT_FDCWD, "./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6101] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6100] <... mkdir resumed>) = 0 [pid 6099] <... close resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6101] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6099] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... open resumed>) = 4 [pid 5065] umount2("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6102 attached [pid 6100] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6099] <... futex resumed>) = 1 [pid 6095] <... futex resumed>) = 0 [pid 6102] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6101] <... clone3 resumed> => {parent_tid=[6102]}, 88) = 6102 [pid 6099] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6098] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6102] <... rseq resumed>) = 0 [pid 6101] rt_sigprocmask(SIG_SETMASK, [], [pid 6099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6098] <... futex resumed>) = 1 [pid 6096] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 0 [pid 6102] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6101] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6099] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6098] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] openat(AT_FDCWD, "./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6102] <... set_robust_list resumed>) = 0 [pid 6101] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... mknod resumed>) = 0 [pid 6098] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6096] <... futex resumed>) = 0 [pid 5065] <... openat resumed>) = 4 [pid 6102] rt_sigprocmask(SIG_SETMASK, [], [pid 6101] <... futex resumed>) = 0 [pid 6096] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6093] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6101] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6098] sync( [pid 5065] newfstatat(4, "", [pid 6102] memfd_create("syzkaller", 0 [pid 6099] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... memfd_create resumed>) = 3 [ 169.141906][ T6100] loop5: detected capacity change from 0 to 1024 [pid 6099] <... futex resumed>) = 1 [pid 6095] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6099] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] getdents64(4, [pid 6102] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6095] <... futex resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6099] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6095] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] getdents64(4, [pid 6102] 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"..., 524288 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] close(4) = 0 [pid 5065] rmdir("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5065] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6100] <... mount resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./82/binderfs", [pid 6100] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] unlink("./82/binderfs" [pid 6100] <... openat resumed>) = 3 [pid 6100] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6099] <... open resumed>) = 4 [pid 6096] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6094] <... sync resumed>) = 0 [pid 5065] <... unlink resumed>) = 0 [pid 6094] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] exit_group(0 [pid 6100] <... chdir resumed>) = 0 [pid 6102] <... write resumed>) = 524288 [pid 6094] <... futex resumed>) = ? [pid 6093] <... exit_group resumed>) = ? [pid 5065] getdents64(3, [pid 6100] ioctl(4, LOOP_CLR_FD) = 0 [pid 6099] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6100] close(4) = 0 [pid 6099] <... futex resumed>) = 1 [pid 5065] close(3 [pid 6100] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] <... close resumed>) = 0 [pid 6100] <... futex resumed>) = 1 [pid 6097] <... futex resumed>) = 0 [pid 5065] rmdir("./82" [pid 6100] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6097] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... rmdir resumed>) = 0 [pid 6095] <... futex resumed>) = 0 [pid 5065] mkdir("./83", 0777 [pid 6095] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... mknod resumed>) = 0 [pid 6099] <... futex resumed>) = 0 [pid 6097] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 1 [pid 5065] <... mkdir resumed>) = 0 [pid 6099] sync( [pid 6097] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] munmap(0x7fdb7f81d000, 138412032 [pid 6094] +++ exited with 0 +++ [pid 6093] +++ exited with 0 +++ [pid 6102] <... munmap resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6102] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6100] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... openat resumed>) = 3 [pid 6102] <... openat resumed>) = 4 [pid 6100] <... futex resumed>) = 1 [pid 6097] <... futex resumed>) = 0 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 6102] ioctl(4, LOOP_SET_FD, 3 [pid 6100] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6097] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6093, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6102] <... ioctl resumed>) = 0 [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6099] <... sync resumed>) = 0 [pid 6097] <... futex resumed>) = 0 [pid 6098] <... sync resumed>) = 0 [pid 5066] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] close(3 [pid 6100] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6097] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6098] <... futex resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6098] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] <... openat resumed>) = 3 [pid 5066] newfstatat(3, "", [pid 6096] exit_group(0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... close resumed>) = 0 [pid 6099] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] <... exit_group resumed>) = ? [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6098] <... futex resumed>) = ? [pid 5066] getdents64(3, [pid 6099] <... futex resumed>) = 1 [pid 6098] +++ exited with 0 +++ [pid 6095] <... futex resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6099] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] +++ exited with 0 +++ [pid 6095] exit_group(0./strace-static-x86_64: Process 6103 attached [pid 6099] <... futex resumed>) = ? [pid 6095] <... exit_group resumed>) = ? [pid 5066] umount2("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6103 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6096, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6103] set_robust_list(0x5555556c56a0, 24 [pid 6102] close(3 [pid 6103] <... set_robust_list resumed>) = 0 [pid 6102] <... close resumed>) = 0 [pid 6103] chdir("./83" [pid 6102] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6100] <... open resumed>) = 4 [pid 6100] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6102] <... mkdir resumed>) = 0 [pid 6100] <... futex resumed>) = 1 [pid 6097] <... futex resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6103] <... chdir resumed>) = 0 [pid 6102] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6100] sync( [pid 6099] +++ exited with 0 +++ [pid 6097] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] +++ exited with 0 +++ [pid 5064] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6097] <... futex resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 6103] <... prctl resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6095, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6097] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6103] setpgid(0, 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5064] newfstatat(3, "", [pid 6103] <... setpgid resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [ 169.279077][ T6102] loop3: detected capacity change from 0 to 1024 [pid 5068] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5068] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(3, [pid 6103] <... openat resumed>) = 3 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6103] write(3, "1000", 4 [pid 5068] umount2("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6103] <... write resumed>) = 4 [pid 5064] <... umount2 resumed>) = 0 [pid 6103] close(3 [pid 6102] <... mount resumed>) = 0 [pid 6103] <... close resumed>) = 0 [pid 6103] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6102] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] <... umount2 resumed>) = 0 [pid 6103] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6102] <... openat resumed>) = 3 [pid 6103] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5066] <... umount2 resumed>) = 0 [pid 6103] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6102] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] umount2("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6102] <... chdir resumed>) = 0 [pid 5068] umount2("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6103] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6102] ioctl(4, LOOP_CLR_FD [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6103] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6102] <... ioctl resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] newfstatat(AT_FDCWD, "./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6103] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6102] close(4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6103] <... mprotect resumed>) = 0 [pid 6102] <... close resumed>) = 0 [pid 6097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] newfstatat(AT_FDCWD, "./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] umount2("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6103] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6102] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] umount2("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6102] <... futex resumed>) = 1 [pid 6101] <... futex resumed>) = 0 [pid 6102] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6103] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6101] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... sync resumed>) = 0 [pid 5068] umount2("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] openat(AT_FDCWD, "./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... openat resumed>) = 4 [pid 5066] newfstatat(4, "", [pid 5064] openat(AT_FDCWD, "./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... openat resumed>) = 4 [pid 5066] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6100] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] newfstatat(4, "", [pid 6097] exit_group(0 [pid 5066] getdents64(4, [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] close(4) = 0 [pid 6103] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6101] <... futex resumed>) = 0 [pid 6100] <... futex resumed>) = ? [pid 6097] <... exit_group resumed>) = ? [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] rmdir("./81/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6104 attached [pid 6102] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6101] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6100] +++ exited with 0 +++ [pid 6097] +++ exited with 0 +++ [pid 5068] openat(AT_FDCWD, "./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... rmdir resumed>) = 0 [pid 6104] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6103] <... clone3 resumed> => {parent_tid=[6104]}, 88) = 6104 [pid 6102] <... mknod resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5064] getdents64(4, [pid 6104] <... rseq resumed>) = 0 [pid 6103] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6097, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5068] newfstatat(4, "", [pid 6103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 6104] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6103] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6104] <... set_robust_list resumed>) = 0 [pid 6103] <... futex resumed>) = 0 [pid 5068] getdents64(4, [pid 5064] getdents64(4, [pid 6104] rt_sigprocmask(SIG_SETMASK, [], [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] close(4 [pid 6104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6103] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] getdents64(4, [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... close resumed>) = 0 [pid 6104] memfd_create("syzkaller", 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] newfstatat(AT_FDCWD, "./81/binderfs", [pid 5064] rmdir("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6104] <... memfd_create resumed>) = 3 [pid 6102] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] close(4 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 6104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6102] <... futex resumed>) = 1 [pid 6101] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... close resumed>) = 0 [pid 5068] rmdir("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6101] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5066] unlink("./81/binderfs" [pid 5064] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6101] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... rmdir resumed>) = 0 [pid 5066] <... unlink resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6104] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] newfstatat(3, "", [pid 5066] getdents64(3, [pid 5064] newfstatat(AT_FDCWD, "./83/binderfs", [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] close(3 [pid 5064] unlink("./83/binderfs" [pid 6104] 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"..., 524288 [pid 6102] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5069] getdents64(3, [pid 5068] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... unlink resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] getdents64(3, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... close resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] rmdir("./81" [pid 5064] close(3 [pid 5066] <... rmdir resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5066] mkdir("./82", 0777 [pid 5069] umount2("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(AT_FDCWD, "./83/binderfs", [pid 5066] <... mkdir resumed>) = 0 [pid 5064] rmdir("./83" [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5064] <... rmdir resumed>) = 0 [pid 6102] <... open resumed>) = 4 [pid 5068] unlink("./83/binderfs") = 0 [pid 5066] <... openat resumed>) = 3 [pid 5064] mkdir("./84", 0777 [pid 5068] getdents64(3, [pid 5064] <... mkdir resumed>) = 0 [pid 6102] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5066] close(3 [pid 5064] <... openat resumed>) = 3 [pid 5066] <... close resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] close(3 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 6102] <... futex resumed>) = 1 [pid 6101] <... futex resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] close(3 [pid 6102] sync( [pid 6101] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./83" [pid 5064] <... close resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6105 [pid 6101] <... futex resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6101] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] mkdir("./84", 0777) = 0 ./strace-static-x86_64: Process 6105 attached [pid 6104] <... write resumed>) = 524288 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6105] set_robust_list(0x5555556c56a0, 24) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6106 [pid 6105] chdir("./82"./strace-static-x86_64: Process 6106 attached [pid 6106] set_robust_list(0x5555556c56a0, 24 [pid 5068] <... openat resumed>) = 3 [pid 6106] <... set_robust_list resumed>) = 0 [pid 6105] <... chdir resumed>) = 0 [pid 6104] munmap(0x7fdb7f81d000, 138412032 [pid 5069] umount2("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] ioctl(3, LOOP_CLR_FD [pid 6106] chdir("./84" [pid 6105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6106] <... chdir resumed>) = 0 [pid 6105] <... prctl resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5068] close(3 [pid 6106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6105] setpgid(0, 0 [pid 6104] <... munmap resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 6106] <... prctl resumed>) = 0 [pid 6105] <... setpgid resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6106] setpgid(0, 0 [pid 6105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] umount2("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6106] <... setpgid resumed>) = 0 [pid 6106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6105] <... openat resumed>) = 3 [pid 6106] <... openat resumed>) = 3 [pid 6105] write(3, "1000", 4 [pid 6106] write(3, "1000", 4 [pid 6105] <... write resumed>) = 4 [pid 6106] <... write resumed>) = 4 [pid 6105] close(3 [pid 6104] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6102] <... sync resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6106] close(3 [pid 6105] <... close resumed>) = 0 [pid 6106] <... close resumed>) = 0 [pid 6104] <... openat resumed>) = 4 [pid 6102] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6107 [pid 6106] symlink("/dev/binderfs", "./binderfs" [pid 6105] symlink("/dev/binderfs", "./binderfs" [pid 6102] <... futex resumed>) = 1 [pid 6101] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6107 attached [pid 6106] <... symlink resumed>) = 0 [pid 6105] <... symlink resumed>) = 0 [pid 6104] ioctl(4, LOOP_SET_FD, 3 [pid 6101] exit_group(0 [pid 5069] <... openat resumed>) = 4 [pid 6107] set_robust_list(0x5555556c56a0, 24 [pid 6106] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] <... exit_group resumed>) = ? [pid 5069] newfstatat(4, "", [pid 6106] <... futex resumed>) = 0 [pid 6105] <... futex resumed>) = 0 [pid 6106] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6105] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6106] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6105] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6106] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6105] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6106] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6105] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6107] <... set_robust_list resumed>) = 0 [pid 6106] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6105] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6106] <... mprotect resumed>) = 0 [pid 6105] <... mprotect resumed>) = 0 [pid 6106] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6105] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] getdents64(4, [pid 6106] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6105] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6106] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6105] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] getdents64(4, ./strace-static-x86_64: Process 6109 attached ./strace-static-x86_64: Process 6108 attached [pid 6107] chdir("./84" [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6109] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6108] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6107] <... chdir resumed>) = 0 [pid 6106] <... clone3 resumed> => {parent_tid=[6108]}, 88) = 6108 [pid 6105] <... clone3 resumed> => {parent_tid=[6109]}, 88) = 6109 [pid 5069] close(4 [pid 6109] <... rseq resumed>) = 0 [pid 6108] <... rseq resumed>) = 0 [pid 6107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6106] rt_sigprocmask(SIG_SETMASK, [], [pid 6105] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... close resumed>) = 0 [pid 6109] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6108] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6107] <... prctl resumed>) = 0 [pid 6106] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6105] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6107] setpgid(0, 0 [pid 5069] rmdir("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6102] +++ exited with 0 +++ [pid 6101] +++ exited with 0 +++ [pid 6106] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6101, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6109] <... set_robust_list resumed>) = 0 [pid 6108] <... set_robust_list resumed>) = 0 [pid 6107] <... setpgid resumed>) = 0 [pid 6106] <... futex resumed>) = 0 [pid 6105] <... futex resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 6108] rt_sigprocmask(SIG_SETMASK, [], [pid 6106] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6105] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6108] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] <... restart_syscall resumed>) = 0 [pid 6109] rt_sigprocmask(SIG_SETMASK, [], [pid 6108] memfd_create("syzkaller", 0 [pid 5067] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6108] <... memfd_create resumed>) = 3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6109] memfd_create("syzkaller", 0 [pid 6108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5067] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6109] <... memfd_create resumed>) = 3 [pid 6108] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6107] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 3 [pid 6109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6108] 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"..., 524288 [pid 5069] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] newfstatat(3, "", [pid 6109] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6109] 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"..., 524288 [pid 6107] write(3, "1000", 4 [pid 6104] <... ioctl resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] getdents64(3, [pid 6104] close(3 [pid 5069] newfstatat(AT_FDCWD, "./82/binderfs", [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [ 169.564198][ T6104] loop1: detected capacity change from 0 to 1024 [pid 6107] <... write resumed>) = 4 [pid 6104] <... close resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6107] close(3 [pid 6104] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] unlink("./82/binderfs" [pid 6107] <... close resumed>) = 0 [pid 6104] <... mkdir resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 6107] symlink("/dev/binderfs", "./binderfs" [pid 5069] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6107] <... symlink resumed>) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./82" [pid 6107] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6107] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 6107] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6104] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] mkdir("./83", 0777 [pid 6107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6108] <... write resumed>) = 524288 [pid 6107] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5069] <... mkdir resumed>) = 0 [pid 6108] munmap(0x7fdb7f81d000, 138412032 [pid 6107] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6108] <... munmap resumed>) = 0 [pid 6107] <... mprotect resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6109] <... write resumed>) = 524288 [pid 6107] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] <... openat resumed>) = 3 [pid 6109] munmap(0x7fdb7f81d000, 138412032 [pid 6108] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6109] <... munmap resumed>) = 0 [pid 6108] <... openat resumed>) = 4 [pid 6107] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6107] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] ioctl(3, LOOP_CLR_FD [pid 6108] ioctl(4, LOOP_SET_FD, 3 [pid 6107] <... clone3 resumed> => {parent_tid=[6110]}, 88) = 6110 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] <... umount2 resumed>) = 0 [pid 6107] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6110 attached [pid 6109] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6109] <... openat resumed>) = 4 [pid 6107] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] close(3 [pid 6107] <... futex resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6107] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6110] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6109] ioctl(4, LOOP_SET_FD, 3 [pid 6110] <... rseq resumed>) = 0 [pid 6110] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 6110] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6110] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6111 attached ) = 3 [pid 6108] <... ioctl resumed>) = 0 [pid 6104] <... mount resumed>) = 0 [pid 5067] umount2("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6104] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6111 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6111] set_robust_list(0x5555556c56a0, 24 [pid 6110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6108] close(3 [pid 6104] <... openat resumed>) = 3 [pid 5067] newfstatat(AT_FDCWD, "./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6111] <... set_robust_list resumed>) = 0 [pid 6110] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6109] <... ioctl resumed>) = 0 [pid 6108] <... close resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6111] chdir("./83" [pid 6110] 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"..., 524288 [pid 6104] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6108] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6109] close(3 [pid 6108] <... mkdir resumed>) = 0 [pid 6104] <... chdir resumed>) = 0 [pid 5067] umount2("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6109] <... close resumed>) = 0 [pid 6104] ioctl(4, LOOP_CLR_FD [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6109] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6104] <... ioctl resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6109] <... mkdir resumed>) = 0 [pid 6104] close(4 [pid 5067] <... openat resumed>) = 4 [pid 6109] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6108] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6104] <... close resumed>) = 0 [pid 5067] newfstatat(4, "", [pid 6111] <... chdir resumed>) = 0 [pid 6104] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6104] <... futex resumed>) = 1 [pid 6103] <... futex resumed>) = 0 [ 169.677891][ T6108] loop0: detected capacity change from 0 to 1024 [ 169.689217][ T6109] loop2: detected capacity change from 0 to 1024 [pid 5067] getdents64(4, [pid 6111] <... prctl resumed>) = 0 [pid 6109] <... mount resumed>) = 0 [pid 6104] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6103] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6109] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6111] setpgid(0, 0 [pid 6104] <... mknod resumed>) = 0 [pid 6103] <... futex resumed>) = 0 [pid 5067] getdents64(4, [pid 6103] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6111] <... setpgid resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] close(4 [pid 6111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] <... close resumed>) = 0 [pid 6111] <... openat resumed>) = 3 [pid 5067] rmdir("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6109] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 6109] ioctl(4, LOOP_CLR_FD [pid 6104] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6111] write(3, "1000", 4 [pid 6109] <... ioctl resumed>) = 0 [pid 6104] <... futex resumed>) = 1 [pid 6103] <... futex resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6111] <... write resumed>) = 4 [pid 6109] close(4 [pid 6108] <... mount resumed>) = 0 [pid 6104] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6103] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] newfstatat(AT_FDCWD, "./83/binderfs", [pid 6111] close(3 [pid 6110] <... write resumed>) = 524288 [pid 6109] <... close resumed>) = 0 [pid 6108] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6103] <... futex resumed>) = 0 [pid 6111] <... close resumed>) = 0 [pid 6110] munmap(0x7fdb7f81d000, 138412032 [pid 6109] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... openat resumed>) = 3 [pid 6104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6103] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6111] symlink("/dev/binderfs", "./binderfs" [pid 6110] <... munmap resumed>) = 0 [pid 6109] <... futex resumed>) = 1 [pid 6108] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6105] <... futex resumed>) = 0 [pid 6104] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5067] unlink("./83/binderfs" [pid 6111] <... symlink resumed>) = 0 [pid 6110] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6109] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6108] <... chdir resumed>) = 0 [pid 6105] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... openat resumed>) = 4 [pid 6109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6108] ioctl(4, LOOP_CLR_FD [pid 6105] <... futex resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 6111] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] ioctl(4, LOOP_SET_FD, 3 [pid 6109] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6108] <... ioctl resumed>) = 0 [pid 6105] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] getdents64(3, [pid 6111] <... futex resumed>) = 0 [pid 6109] <... mknod resumed>) = 0 [pid 6104] <... open resumed>) = 4 [pid 6109] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6105] <... futex resumed>) = 0 [pid 6105] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6105] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6109] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6111] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6104] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6104] <... futex resumed>) = 1 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6111] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6104] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] close(3 [pid 6111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6103] <... futex resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 6111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6108] close(4 [pid 6103] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] rmdir("./83" [pid 6108] <... close resumed>) = 0 [pid 6108] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6106] <... futex resumed>) = 0 [pid 6108] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6106] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6109] <... open resumed>) = 4 [pid 6108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6106] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = 0 [pid 6103] <... futex resumed>) = 1 [pid 5067] <... rmdir resumed>) = 0 [pid 6108] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6106] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] sync( [pid 6111] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6110] <... ioctl resumed>) = 0 [pid 6109] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... mknod resumed>) = 0 [pid 6103] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] mkdir("./84", 0777 [pid 6111] <... mprotect resumed>) = 0 [pid 6110] close(3 [pid 6109] <... futex resumed>) = 1 [pid 6108] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] <... futex resumed>) = 0 [pid 6111] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6110] <... close resumed>) = 0 [pid 6109] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6108] <... futex resumed>) = 1 [pid 6106] <... futex resumed>) = 0 [pid 6105] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6108] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6106] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6105] <... futex resumed>) = 0 [pid 6111] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6109] sync( [pid 6108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6106] <... futex resumed>) = 0 [pid 6105] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6110] <... mkdir resumed>) = 0 [pid 6108] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6106] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6112 attached [pid 6110] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6112] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5067] <... openat resumed>) = 3 [pid 6112] <... rseq resumed>) = 0 [pid 6111] <... clone3 resumed> => {parent_tid=[6112]}, 88) = 6112 [pid 6108] <... open resumed>) = 4 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 6112] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6110] <... mount resumed>) = 0 [pid 6112] <... set_robust_list resumed>) = 0 [pid 6110] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6108] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6112] rt_sigprocmask(SIG_SETMASK, [], [pid 6110] <... openat resumed>) = 3 [pid 6108] <... futex resumed>) = 1 [pid 6106] <... futex resumed>) = 0 [pid 6112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6110] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6108] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6106] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] close(3 [pid 6112] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6111] rt_sigprocmask(SIG_SETMASK, [], [pid 6110] <... chdir resumed>) = 0 [pid 6108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6106] <... futex resumed>) = 0 [pid 5067] <... close resumed>) = 0 [ 169.799166][ T6110] loop4: detected capacity change from 0 to 1024 [pid 6111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6110] ioctl(4, LOOP_CLR_FD [pid 6108] sync( [pid 6106] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6111] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... ioctl resumed>) = 0 [pid 6110] close(4) = 0 [pid 6110] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] <... futex resumed>) = 0 [pid 6112] <... futex resumed>) = 0 [pid 6111] <... futex resumed>) = 1 [pid 6110] <... futex resumed>) = 1 [pid 6111] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6107] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] memfd_create("syzkaller", 0 [pid 6110] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6107] <... futex resumed>) = 0 [pid 6107] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 6113 attached [pid 6112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6110] <... mknod resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6113 [pid 6113] set_robust_list(0x5555556c56a0, 24 [pid 6112] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6113] <... set_robust_list resumed>) = 0 [pid 6113] chdir("./84") = 0 [pid 6113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6110] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... prctl resumed>) = 0 [pid 6112] 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"..., 524288 [pid 6110] <... futex resumed>) = 1 [pid 6109] <... sync resumed>) = 0 [pid 6107] <... futex resumed>) = 0 [pid 6104] <... sync resumed>) = 0 [pid 6103] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6113] setpgid(0, 0 [pid 6107] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] exit_group(0 [pid 6107] <... futex resumed>) = 0 [pid 6103] <... exit_group resumed>) = ? [pid 6104] <... futex resumed>) = ? [pid 6113] <... setpgid resumed>) = 0 [pid 6107] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] +++ exited with 0 +++ [pid 6113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6110] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6109] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... openat resumed>) = 3 [pid 6109] <... futex resumed>) = 1 [pid 6105] <... futex resumed>) = 0 [pid 6113] write(3, "1000", 4 [pid 6109] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6105] exit_group(0 [pid 6103] +++ exited with 0 +++ [pid 6113] <... write resumed>) = 4 [pid 6112] <... write resumed>) = 524288 [pid 6109] <... futex resumed>) = ? [pid 6105] <... exit_group resumed>) = ? [pid 6108] <... sync resumed>) = 0 [pid 6113] close(3 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6103, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5065] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6113] <... close resumed>) = 0 [pid 6108] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6113] symlink("/dev/binderfs", "./binderfs" [pid 6108] <... futex resumed>) = 0 [pid 6106] exit_group(0 [pid 5065] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6108] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] <... symlink resumed>) = 0 [pid 6109] +++ exited with 0 +++ [pid 6108] <... futex resumed>) = ? [pid 6106] <... exit_group resumed>) = ? [pid 6105] +++ exited with 0 +++ [pid 5065] <... openat resumed>) = 3 [pid 6108] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6105, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5065] newfstatat(3, "", [pid 6113] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6113] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5065] getdents64(3, [pid 6113] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6113] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5065] umount2("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6110] <... open resumed>) = 4 [pid 6107] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6106] +++ exited with 0 +++ [pid 5066] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6112] munmap(0x7fdb7f81d000, 138412032 [pid 6110] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6112] <... munmap resumed>) = 0 [pid 6107] <... futex resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6113] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6112] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5066] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6106, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6113] <... mprotect resumed>) = 0 [pid 6112] <... openat resumed>) = 4 [pid 6110] <... futex resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5064] restart_syscall(<... resuming interrupted clone ...> [pid 6113] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6112] ioctl(4, LOOP_SET_FD, 3 [pid 6110] sync( [pid 6107] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] newfstatat(3, "", [pid 5064] <... restart_syscall resumed>) = 0 [pid 6113] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5066] getdents64(3, [pid 6113] <... clone3 resumed> => {parent_tid=[6114]}, 88) = 6114 [pid 5064] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6114 attached [pid 6114] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6113] rt_sigprocmask(SIG_SETMASK, [], [pid 6112] <... ioctl resumed>) = 0 [pid 6114] <... rseq resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] umount2("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6114] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6110] <... sync resumed>) = 0 [pid 5066] umount2("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6114] <... set_robust_list resumed>) = 0 [pid 6113] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] close(3 [pid 6110] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... umount2 resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6114] rt_sigprocmask(SIG_SETMASK, [], [pid 6113] <... futex resumed>) = 0 [pid 6110] <... futex resumed>) = 1 [pid 6107] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... openat resumed>) = 3 [pid 6114] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6107] exit_group(0 [pid 6113] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6112] <... close resumed>) = 0 [pid 6107] <... exit_group resumed>) = ? [pid 5065] umount2("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] newfstatat(3, "", [pid 6114] memfd_create("syzkaller", 0 [pid 6112] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6110] +++ exited with 0 +++ [pid 6114] <... memfd_create resumed>) = 3 [pid 6112] <... mkdir resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 5066] umount2("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] openat(AT_FDCWD, "./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] getdents64(3, [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... openat resumed>) = 4 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] newfstatat(AT_FDCWD, "./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] umount2("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6112] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5066] umount2("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(4, "", [ 169.951715][ T6112] loop5: detected capacity change from 0 to 1024 [pid 5066] openat(AT_FDCWD, "./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... openat resumed>) = 4 [pid 5065] getdents64(4, [pid 6107] +++ exited with 0 +++ [pid 5066] newfstatat(4, "", [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6107, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(4, [pid 5066] getdents64(4, [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] close(4 [pid 5068] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] getdents64(4, [pid 5065] <... close resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] close(4 [pid 5065] rmdir("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] <... close resumed>) = 0 [pid 6114] 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"..., 524288 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... rmdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] rmdir("./82/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] <... openat resumed>) = 3 [pid 5066] <... rmdir resumed>) = 0 [pid 5068] newfstatat(3, "", [pid 5065] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6112] <... mount resumed>) = 0 [pid 5068] getdents64(3, [pid 5066] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... umount2 resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./83/binderfs", [pid 6112] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] newfstatat(AT_FDCWD, "./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] unlink("./83/binderfs" [pid 6112] <... openat resumed>) = 3 [pid 5066] unlink("./82/binderfs" [pid 5065] <... unlink resumed>) = 0 [pid 6114] <... write resumed>) = 524288 [pid 6112] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] umount2("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... unlink resumed>) = 0 [pid 5065] getdents64(3, [pid 5064] umount2("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] close(3 [pid 6112] <... chdir resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 6112] ioctl(4, LOOP_CLR_FD [pid 5066] rmdir("./82" [pid 6114] munmap(0x7fdb7f81d000, 138412032 [pid 6112] <... ioctl resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6114] <... munmap resumed>) = 0 [pid 6112] close(4 [pid 5066] mkdir("./83", 0777 [pid 6114] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6112] <... close resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5066] <... mkdir resumed>) = 0 [pid 5065] close(3 [pid 5064] newfstatat(AT_FDCWD, "./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6114] <... openat resumed>) = 4 [pid 5066] <... openat resumed>) = 3 [pid 5065] <... close resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6114] ioctl(4, LOOP_SET_FD, 3 [pid 6112] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5066] close(3) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6112] <... futex resumed>) = 1 [pid 6111] <... futex resumed>) = 0 [pid 5065] rmdir("./83" [pid 5064] umount2("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6112] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6111] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... rmdir resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6111] <... futex resumed>) = 1 [pid 5065] mkdir("./84", 0777 [pid 6112] <... futex resumed>) = 0 [pid 6114] <... ioctl resumed>) = 0 [pid 6112] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6111] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... mkdir resumed>) = 0 [pid 5064] <... openat resumed>) = 4 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6115 [pid 6114] close(3 [pid 6112] <... mknod resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5064] newfstatat(4, "", [pid 5068] umount2("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", ./strace-static-x86_64: Process 6115 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6115] set_robust_list(0x5555556c56a0, 24 [pid 5068] umount2("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6115] <... set_robust_list resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6115] chdir("./83" [pid 5068] openat(AT_FDCWD, "./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... openat resumed>) = 3 [pid 6114] <... close resumed>) = 0 [pid 6112] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6114] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6112] <... futex resumed>) = 1 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 6111] <... futex resumed>) = 0 [pid 5064] getdents64(4, [pid 6115] <... chdir resumed>) = 0 [pid 6114] <... mkdir resumed>) = 0 [pid 6112] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6111] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 4 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6111] <... futex resumed>) = 0 [pid 5068] newfstatat(4, "", [pid 6111] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] close(3 [pid 5064] getdents64(4, [pid 5065] <... close resumed>) = 0 [pid 6115] <... prctl resumed>) = 0 [pid 6114] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6115] setpgid(0, 0 [pid 5068] getdents64(4, [ 170.075822][ T6114] loop3: detected capacity change from 0 to 1024 [pid 5064] close(4 [pid 6115] <... setpgid resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6116 [pid 5064] <... close resumed>) = 0 ./strace-static-x86_64: Process 6116 attached [pid 6115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] getdents64(4, [pid 5064] rmdir("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6115] <... openat resumed>) = 3 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6115] write(3, "1000", 4 [pid 5068] close(4 [pid 5064] <... rmdir resumed>) = 0 [pid 5064] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6115] <... write resumed>) = 4 [pid 5068] <... close resumed>) = 0 [pid 6115] close(3 [pid 5068] rmdir("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6116] set_robust_list(0x5555556c56a0, 24 [pid 6115] <... close resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6115] symlink("/dev/binderfs", "./binderfs" [pid 5068] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6115] <... symlink resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./84/binderfs", [pid 5068] newfstatat(AT_FDCWD, "./84/binderfs", [pid 6116] <... set_robust_list resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] unlink("./84/binderfs" [pid 6116] chdir("./84" [pid 5068] <... unlink resumed>) = 0 [pid 5064] unlink("./84/binderfs" [pid 6116] <... chdir resumed>) = 0 [pid 5068] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6115] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... unlink resumed>) = 0 [pid 6116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6115] <... futex resumed>) = 0 [pid 6116] <... prctl resumed>) = 0 [pid 6115] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5068] close(3 [pid 5064] getdents64(3, [pid 6116] setpgid(0, 0 [pid 6115] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] <... close resumed>) = 0 [pid 6116] <... setpgid resumed>) = 0 [pid 6115] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] rmdir("./84" [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 6115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] mkdir("./85", 0777 [pid 6116] <... openat resumed>) = 3 [pid 6115] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6112] <... open resumed>) = 4 [pid 5068] <... mkdir resumed>) = 0 [pid 5064] close(3 [pid 6116] write(3, "1000", 4 [pid 6115] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6116] <... write resumed>) = 4 [pid 5064] <... close resumed>) = 0 [pid 6116] close(3 [pid 5064] rmdir("./84" [pid 6116] <... close resumed>) = 0 [pid 6116] symlink("/dev/binderfs", "./binderfs" [pid 6115] <... mprotect resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5064] <... rmdir resumed>) = 0 [pid 6116] <... symlink resumed>) = 0 [pid 6115] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... openat resumed>) = 3 [pid 5064] mkdir("./85", 0777 [pid 6116] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6111] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] ioctl(3, LOOP_CLR_FD [pid 6115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6111] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6116] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6117 attached [pid 6114] <... mount resumed>) = 0 [pid 6112] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... futex resumed>) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 6116] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6114] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6112] <... futex resumed>) = 0 [pid 6111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6117] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6115] <... clone3 resumed> => {parent_tid=[6117]}, 88) = 6117 [pid 6114] <... openat resumed>) = 3 [pid 5068] close(3 [pid 6116] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6112] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6111] <... mmap resumed>) = 0x7fdb87bfc000 [pid 6111] mprotect(0x7fdb87bfd000, 131072, PROT_READ|PROT_WRITE [pid 6116] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6115] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... close resumed>) = 0 [pid 6115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6111] <... mprotect resumed>) = 0 [pid 6116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6114] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6117] <... rseq resumed>) = 0 [pid 6116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6115] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6117] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6116] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6115] <... futex resumed>) = 0 [pid 6114] <... chdir resumed>) = 0 [pid 6117] <... set_robust_list resumed>) = 0 [pid 6116] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6117] rt_sigprocmask(SIG_SETMASK, [], [pid 6116] <... mprotect resumed>) = 0 [pid 6115] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5064] <... openat resumed>) = 3 [pid 6117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6114] ioctl(4, LOOP_CLR_FD [pid 6111] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6118 [pid 6117] memfd_create("syzkaller", 0 [pid 6116] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6117] <... memfd_create resumed>) = 3 [pid 6116] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6114] <... ioctl resumed>) = 0 [pid 6111] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c1c990, parent_tid=0x7fdb87c1c990, exit_signal=0, stack=0x7fdb87bfc000, stack_size=0x20300, tls=0x7fdb87c1c6c0} [pid 5064] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6119 attached ./strace-static-x86_64: Process 6118 attached [pid 6117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6116] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6114] close(4 [pid 6119] rseq(0x7fdb87c1cfe0, 0x20, 0, 0x53053053 [pid 6118] set_robust_list(0x5555556c56a0, 24 [pid 6117] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 6120 attached [pid 6119] <... rseq resumed>) = 0 [pid 6118] <... set_robust_list resumed>) = 0 [pid 6117] 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"..., 524288 [pid 6114] <... close resumed>) = 0 [pid 6111] <... clone3 resumed> => {parent_tid=[6119]}, 88) = 6119 [pid 5064] close(3 [pid 6120] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6119] set_robust_list(0x7fdb87c1c9a0, 24 [pid 6118] chdir("./85" [pid 6119] <... set_robust_list resumed>) = 0 [pid 6114] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] rt_sigprocmask(SIG_SETMASK, [], [pid 6116] <... clone3 resumed> => {parent_tid=[6120]}, 88) = 6120 [pid 5064] <... close resumed>) = 0 [pid 6116] rt_sigprocmask(SIG_SETMASK, [], [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6119] rt_sigprocmask(SIG_SETMASK, [], [pid 6120] <... rseq resumed>) = 0 [pid 6118] <... chdir resumed>) = 0 [pid 6120] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6120] <... set_robust_list resumed>) = 0 [pid 6118] <... prctl resumed>) = 0 [pid 6118] setpgid(0, 0) = 0 [pid 6120] rt_sigprocmask(SIG_SETMASK, [], [pid 6118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6120] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] futex(0x7fdb87d096b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] <... openat resumed>) = 3 [pid 6116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6114] <... futex resumed>) = 1 [pid 6113] <... futex resumed>) = 0 [pid 6111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6116] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] futex(0x7fdb87d096b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6121 ./strace-static-x86_64: Process 6121 attached [pid 6120] memfd_create("syzkaller", 0 [pid 6116] <... futex resumed>) = 0 [pid 6114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6113] <... futex resumed>) = 0 [pid 6111] <... futex resumed>) = 1 [pid 6119] <... futex resumed>) = 0 [pid 6121] set_robust_list(0x5555556c56a0, 24 [pid 6120] <... memfd_create resumed>) = 3 [pid 6119] sync( [pid 6118] write(3, "1000", 4 [pid 6117] <... write resumed>) = 524288 [pid 6116] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6114] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6113] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6111] futex(0x7fdb87d096bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6121] <... set_robust_list resumed>) = 0 [pid 6120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6118] <... write resumed>) = 4 [pid 6118] close(3) = 0 [pid 6118] symlink("/dev/binderfs", "./binderfs" [pid 6121] chdir("./85" [pid 6118] <... symlink resumed>) = 0 [pid 6114] <... mknod resumed>) = 0 [pid 6121] <... chdir resumed>) = 0 [pid 6120] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6118] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6118] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6114] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... prctl resumed>) = 0 [pid 6118] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6121] setpgid(0, 0 [pid 6118] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6121] <... setpgid resumed>) = 0 [pid 6118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6118] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6121] <... openat resumed>) = 3 [pid 6118] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6114] <... futex resumed>) = 1 [pid 6113] <... futex resumed>) = 0 [pid 6121] write(3, "1000", 4 [pid 6120] 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"..., 524288 [pid 6118] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6114] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] munmap(0x7fdb7f81d000, 138412032 [pid 6114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6113] <... futex resumed>) = 0 [pid 6117] <... munmap resumed>) = 0 [pid 6114] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6113] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6121] <... write resumed>) = 4 [pid 6118] <... mprotect resumed>) = 0 [pid 6117] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6121] close(3 [pid 6118] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6117] ioctl(4, LOOP_SET_FD, 3 [pid 6121] <... close resumed>) = 0 [pid 6120] <... write resumed>) = 524288 [pid 6119] <... sync resumed>) = 0 [pid 6118] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6114] <... open resumed>) = 4 [pid 6121] symlink("/dev/binderfs", "./binderfs" [pid 6118] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 6122 attached [pid 6121] <... symlink resumed>) = 0 [pid 6119] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6119] <... futex resumed>) = 1 [pid 6114] <... futex resumed>) = 1 [pid 6113] <... futex resumed>) = 0 [pid 6111] <... futex resumed>) = 0 [pid 6114] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] exit_group(0 [pid 6122] <... rseq resumed>) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6112] <... futex resumed>) = ? [pid 6111] <... exit_group resumed>) = ? [pid 6113] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] +++ exited with 0 +++ [pid 6119] +++ exited with 0 +++ [pid 6122] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6121] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] munmap(0x7fdb7f81d000, 138412032 [pid 6118] <... clone3 resumed> => {parent_tid=[6122]}, 88) = 6122 [pid 6117] <... ioctl resumed>) = 0 [pid 6114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6111] +++ exited with 0 +++ [pid 6118] rt_sigprocmask(SIG_SETMASK, [], [pid 6122] <... set_robust_list resumed>) = 0 [pid 6121] <... futex resumed>) = 0 [pid 6120] <... munmap resumed>) = 0 [pid 6118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6114] sync( [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6111, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6122] rt_sigprocmask(SIG_SETMASK, [], [pid 6121] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6118] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] close(3 [pid 6122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6120] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6118] <... futex resumed>) = 0 [pid 6117] <... close resumed>) = 0 [pid 6122] memfd_create("syzkaller", 0 [pid 6121] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6120] <... openat resumed>) = 4 [ 170.251515][ T6117] loop2: detected capacity change from 0 to 1024 [pid 6117] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6122] <... memfd_create resumed>) = 3 [pid 6121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6120] ioctl(4, LOOP_SET_FD, 3 [pid 6118] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6117] <... mkdir resumed>) = 0 [pid 5069] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6122] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6121] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6117] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6122] 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"..., 524288 [pid 6121] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6114] <... sync resumed>) = 0 [pid 6114] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6113] <... futex resumed>) = 0 [pid 6114] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] <... mprotect resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6121] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6113] exit_group(0 [pid 6114] <... futex resumed>) = ? [pid 6113] <... exit_group resumed>) = ? [pid 5069] <... openat resumed>) = 3 [pid 6121] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6114] +++ exited with 0 +++ [pid 5069] newfstatat(3, "", [pid 6121] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6123 attached [pid 6117] <... mount resumed>) = 0 [pid 5069] getdents64(3, [pid 6123] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6122] <... write resumed>) = 524288 [pid 6121] <... clone3 resumed> => {parent_tid=[6123]}, 88) = 6123 [pid 6117] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6113] +++ exited with 0 +++ [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6123] <... rseq resumed>) = 0 [pid 6120] <... ioctl resumed>) = 0 [pid 6123] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6117] <... openat resumed>) = 3 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6113, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6123] <... set_robust_list resumed>) = 0 [pid 6117] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6123] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6117] <... chdir resumed>) = 0 [pid 6123] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] ioctl(4, LOOP_CLR_FD [pid 6121] rt_sigprocmask(SIG_SETMASK, [], [pid 6120] close(3 [pid 6117] <... ioctl resumed>) = 0 [pid 5069] umount2("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6120] <... close resumed>) = 0 [pid 6117] close(4 [pid 6121] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6117] <... close resumed>) = 0 [pid 6123] <... futex resumed>) = 0 [pid 6121] <... futex resumed>) = 1 [pid 6123] memfd_create("syzkaller", 0 [pid 6121] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6123] <... memfd_create resumed>) = 3 [pid 6122] munmap(0x7fdb7f81d000, 138412032 [pid 6117] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6115] <... futex resumed>) = 0 [pid 6123] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6117] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 170.295805][ T6120] loop1: detected capacity change from 0 to 1024 [pid 6115] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6123] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6122] <... munmap resumed>) = 0 [pid 6120] <... mkdir resumed>) = 0 [pid 6117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6115] <... futex resumed>) = 0 [pid 5067] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6117] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6115] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6117] <... mknod resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6123] 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"..., 524288 [pid 6122] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6117] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6122] <... openat resumed>) = 4 [pid 6117] <... futex resumed>) = 1 [pid 6115] <... futex resumed>) = 0 [pid 5067] umount2("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6122] ioctl(4, LOOP_SET_FD, 3 [pid 6117] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6115] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6115] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] <... mount resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 6120] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6120] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6120] ioctl(4, LOOP_CLR_FD) = 0 [pid 6120] close(4 [pid 5069] umount2("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6120] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6120] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(AT_FDCWD, "./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6120] <... futex resumed>) = 1 [pid 6116] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 6123] <... write resumed>) = 524288 [pid 6122] <... ioctl resumed>) = 0 [pid 6117] <... open resumed>) = 4 [pid 6116] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] close(3 [pid 6120] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6117] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... futex resumed>) = 0 [pid 5069] umount2("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6123] munmap(0x7fdb7f81d000, 138412032 [pid 6122] <... close resumed>) = 0 [pid 6117] <... futex resumed>) = 1 [pid 6115] <... futex resumed>) = 0 [pid 6122] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6117] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... mkdir resumed>) = 0 [pid 6120] <... mknod resumed>) = 0 [pid 6117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6116] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6115] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6117] sync( [pid 6115] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] openat(AT_FDCWD, "./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5069] newfstatat(4, "", [pid 6120] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6122] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6120] <... futex resumed>) = 1 [pid 6116] <... futex resumed>) = 0 [pid 5069] getdents64(4, [pid 6120] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6116] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6123] <... munmap resumed>) = 0 [pid 6116] <... futex resumed>) = 0 [pid 5069] getdents64(4, [pid 6116] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] umount2("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [ 170.371686][ T6122] loop4: detected capacity change from 0 to 1024 [pid 5069] close(4 [pid 6123] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5069] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6123] <... openat resumed>) = 4 [pid 5069] rmdir("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] newfstatat(AT_FDCWD, "./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6123] ioctl(4, LOOP_SET_FD, 3 [pid 6122] <... mount resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6120] <... open resumed>) = 4 [pid 5069] newfstatat(AT_FDCWD, "./83/binderfs", [pid 5067] <... openat resumed>) = 4 [pid 6120] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] newfstatat(4, "", [pid 6116] <... futex resumed>) = 0 [pid 6116] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6116] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6120] <... futex resumed>) = 1 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6122] <... openat resumed>) = 3 [pid 6120] sync( [pid 5069] unlink("./83/binderfs" [pid 5067] getdents64(4, [pid 6122] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] <... unlink resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6122] <... chdir resumed>) = 0 [pid 6122] ioctl(4, LOOP_CLR_FD [pid 6117] <... sync resumed>) = 0 [pid 6123] <... ioctl resumed>) = 0 [pid 6122] <... ioctl resumed>) = 0 [pid 6117] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] getdents64(3, [pid 5067] getdents64(4, [pid 6123] close(3 [pid 6122] close(4 [pid 6117] <... futex resumed>) = 1 [pid 6115] <... futex resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6123] <... close resumed>) = 0 [pid 6122] <... close resumed>) = 0 [pid 6115] exit_group(0 [pid 6123] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6122] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... exit_group resumed>) = ? [pid 6118] <... futex resumed>) = 0 [pid 6118] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] close(3 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6122] <... futex resumed>) = 1 [pid 6118] <... futex resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5067] close(4 [pid 6122] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6118] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] rmdir("./83" [pid 5067] <... close resumed>) = 0 [pid 6123] <... mkdir resumed>) = 0 [pid 6120] <... sync resumed>) = 0 [pid 6117] +++ exited with 0 +++ [pid 6115] +++ exited with 0 +++ [pid 5069] <... rmdir resumed>) = 0 [pid 5067] rmdir("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6123] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6122] <... mknod resumed>) = 0 [pid 6120] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... rmdir resumed>) = 0 [pid 6120] <... futex resumed>) = 1 [pid 6116] <... futex resumed>) = 0 [pid 5069] mkdir("./84", 0777 [pid 6120] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6116] exit_group(0 [pid 6120] <... futex resumed>) = ? [pid 6116] <... exit_group resumed>) = ? [pid 6120] +++ exited with 0 +++ [pid 6116] +++ exited with 0 +++ [pid 5069] <... mkdir resumed>) = 0 [pid 5067] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./84/binderfs", [pid 6122] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6122] <... futex resumed>) = 1 [pid 6118] <... futex resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6116, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6122] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6118] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6115, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6118] <... futex resumed>) = 0 [pid 5065] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6122] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6118] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5067] unlink("./84/binderfs" [pid 5066] <... restart_syscall resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... unlink resumed>) = 0 [pid 6123] <... mount resumed>) = 0 [pid 5066] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... openat resumed>) = 3 [pid 6123] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5067] getdents64(3, [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(3, "", [pid 6123] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] close(3 [pid 6123] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] <... openat resumed>) = 3 [pid 5067] <... close resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5065] getdents64(3, [pid 6123] <... chdir resumed>) = 0 [pid 6123] ioctl(4, LOOP_CLR_FD [pid 5067] rmdir("./84" [pid 5066] newfstatat(3, "", [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6123] <... ioctl resumed>) = 0 [pid 6123] close(4 [pid 5067] <... rmdir resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] umount2("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 170.440996][ T6123] loop0: detected capacity change from 0 to 1024 [pid 5069] close(3 [pid 5067] mkdir("./85", 0777 [pid 6123] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5066] getdents64(3, [pid 6123] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6121] <... futex resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6123] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... mkdir resumed>) = 0 [pid 5066] umount2("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6121] <... futex resumed>) = 0 [pid 6123] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6121] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6123] <... mknod resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 6123] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 6123] <... futex resumed>) = 1 [pid 6121] <... futex resumed>) = 0 [pid 6123] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6121] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6124 attached [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6124 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6124] set_robust_list(0x5555556c56a0, 24 [pid 6123] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5067] close(3 [pid 6124] <... set_robust_list resumed>) = 0 [pid 6122] <... open resumed>) = 4 [pid 5067] <... close resumed>) = 0 [pid 6124] chdir("./84" [pid 6122] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6122] <... futex resumed>) = 1 [pid 6118] <... futex resumed>) = 0 [pid 6118] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6124] <... chdir resumed>) = 0 [pid 6124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6122] sync( [pid 6118] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6124] setpgid(0, 0) = 0 [pid 6124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 6125 attached [pid 6125] set_robust_list(0x5555556c56a0, 24 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6125 [pid 6125] <... set_robust_list resumed>) = 0 [pid 6124] write(3, "1000", 4 [pid 6125] chdir("./85" [pid 6124] <... write resumed>) = 4 [pid 6125] <... chdir resumed>) = 0 [pid 6124] close(3 [pid 6125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6124] <... close resumed>) = 0 [pid 6125] <... prctl resumed>) = 0 [pid 6124] symlink("/dev/binderfs", "./binderfs" [pid 6125] setpgid(0, 0) = 0 [pid 6124] <... symlink resumed>) = 0 [pid 6125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6124] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6124] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6125] write(3, "1000", 4 [pid 6124] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6123] <... open resumed>) = 4 [pid 5066] <... umount2 resumed>) = 0 [pid 6124] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6125] <... write resumed>) = 4 [pid 6124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6123] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] umount2("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = 0 [pid 5065] umount2("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6123] <... futex resumed>) = 1 [pid 6121] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6121] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(AT_FDCWD, "./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6123] sync( [pid 6121] <... futex resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6125] close(3 [pid 6124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6121] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] newfstatat(AT_FDCWD, "./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6125] <... close resumed>) = 0 [pid 6124] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6125] symlink("/dev/binderfs", "./binderfs" [pid 6124] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5065] umount2("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6125] <... symlink resumed>) = 0 [pid 6124] <... mprotect resumed>) = 0 [pid 5066] umount2("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6125] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6125] <... futex resumed>) = 0 [pid 6124] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6125] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6124] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5066] openat(AT_FDCWD, "./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6126 attached [pid 6125] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5065] <... openat resumed>) = 4 [pid 6126] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6125] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6122] <... sync resumed>) = 0 [pid 6118] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5066] <... openat resumed>) = 4 [pid 5065] newfstatat(4, "", [pid 6126] <... rseq resumed>) = 0 [pid 6125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6124] <... clone3 resumed> => {parent_tid=[6126]}, 88) = 6126 [pid 6122] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6118] exit_group(0 [pid 6126] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6124] rt_sigprocmask(SIG_SETMASK, [], [pid 6118] <... exit_group resumed>) = ? [pid 6122] <... futex resumed>) = ? [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6126] <... set_robust_list resumed>) = 0 [pid 6125] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6123] <... sync resumed>) = 0 [pid 6122] +++ exited with 0 +++ [pid 5066] newfstatat(4, "", [pid 6126] rt_sigprocmask(SIG_SETMASK, [], [pid 6125] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6124] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] getdents64(4, [pid 6126] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6125] <... mprotect resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 6123] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6126] memfd_create("syzkaller", 0 [pid 6125] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6124] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6126] <... memfd_create resumed>) = 3 [pid 6125] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6123] <... futex resumed>) = 1 [pid 6121] <... futex resumed>) = 0 [pid 5066] getdents64(4, [pid 6126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6125] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6123] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6121] exit_group(0 [pid 5065] getdents64(4, ./strace-static-x86_64: Process 6127 attached [pid 6126] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6121] <... exit_group resumed>) = ? [pid 6127] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6126] 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"..., 524288 [pid 6125] <... clone3 resumed> => {parent_tid=[6127]}, 88) = 6127 [pid 6118] +++ exited with 0 +++ [pid 6123] <... futex resumed>) = ? [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6127] <... rseq resumed>) = 0 [pid 6127] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 6127] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6125] rt_sigprocmask(SIG_SETMASK, [], [pid 6127] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6125] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6125] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] memfd_create("syzkaller", 0 [pid 6125] <... futex resumed>) = 0 [pid 6125] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6123] +++ exited with 0 +++ [pid 6121] +++ exited with 0 +++ [pid 6127] <... memfd_create resumed>) = 3 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6118, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5066] getdents64(4, [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] close(4 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6121, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5066] close(4 [pid 5065] <... close resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5065] rmdir("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] rmdir("./83/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] <... rmdir resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6127] 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"..., 524288 [pid 5066] <... rmdir resumed>) = 0 [pid 5064] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... openat resumed>) = 3 [pid 5068] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(3, "", [pid 5066] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 3 [pid 5068] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] umount2("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./84/binderfs", [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] newfstatat(AT_FDCWD, "./83/binderfs", [pid 6126] <... write resumed>) = 524288 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] getdents64(3, [pid 6126] munmap(0x7fdb7f81d000, 138412032 [pid 5066] unlink("./83/binderfs" [pid 6127] <... write resumed>) = 524288 [pid 6126] <... munmap resumed>) = 0 [pid 5065] unlink("./84/binderfs" [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] <... unlink resumed>) = 0 [pid 5064] umount2("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... unlink resumed>) = 0 [pid 5066] getdents64(3, [pid 5065] getdents64(3, [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6127] munmap(0x7fdb7f81d000, 138412032 [pid 6126] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6127] <... munmap resumed>) = 0 [pid 6126] ioctl(4, LOOP_SET_FD, 3 [pid 5066] close(3 [pid 5065] close(3 [pid 6127] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6127] ioctl(4, LOOP_SET_FD, 3 [pid 5066] <... close resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5066] rmdir("./83" [pid 5065] rmdir("./84" [pid 5064] <... umount2 resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5064] umount2("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] mkdir("./84", 0777 [pid 5065] mkdir("./85", 0777 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] <... mkdir resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] umount2("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5065] <... mkdir resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5064] openat(AT_FDCWD, "./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... openat resumed>) = 3 [pid 5065] <... openat resumed>) = 3 [pid 5064] <... openat resumed>) = 4 [pid 6126] <... ioctl resumed>) = 0 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5064] newfstatat(4, "", [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] close(3 [pid 5064] getdents64(4, [pid 6126] close(3 [pid 5068] <... umount2 resumed>) = 0 [pid 5066] close(3 [pid 5065] <... close resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6127] <... ioctl resumed>) = 0 [pid 6126] <... close resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] close(4 [pid 6126] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5064] <... close resumed>) = 0 ./strace-static-x86_64: Process 6128 attached [pid 6127] close(3 [pid 5064] rmdir("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6127] <... close resumed>) = 0 [pid 6126] <... mkdir resumed>) = 0 [pid 5068] umount2("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6128 [pid 5064] <... rmdir resumed>) = 0 [pid 6128] set_robust_list(0x5555556c56a0, 24 [pid 6127] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6128] <... set_robust_list resumed>) = 0 [pid 6127] <... mkdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6128] chdir("./85" [pid 6126] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6128] <... chdir resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] newfstatat(AT_FDCWD, "./85/binderfs", ./strace-static-x86_64: Process 6129 attached [ 170.661685][ T6126] loop5: detected capacity change from 0 to 1024 [ 170.671695][ T6127] loop3: detected capacity change from 0 to 1024 [pid 6127] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] unlink("./85/binderfs" [pid 6129] set_robust_list(0x5555556c56a0, 24 [pid 6128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6129 [pid 5064] <... unlink resumed>) = 0 [pid 6129] <... set_robust_list resumed>) = 0 [pid 6128] <... prctl resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6129] chdir("./84" [pid 6128] setpgid(0, 0 [pid 5068] <... openat resumed>) = 4 [pid 6129] <... chdir resumed>) = 0 [pid 6128] <... setpgid resumed>) = 0 [pid 5068] newfstatat(4, "", [pid 6129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] getdents64(3, [pid 6129] <... prctl resumed>) = 0 [pid 6128] <... openat resumed>) = 3 [pid 5068] getdents64(4, [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6129] setpgid(0, 0 [pid 6128] write(3, "1000", 4 [pid 6127] <... mount resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] close(3 [pid 6129] <... setpgid resumed>) = 0 [pid 6128] <... write resumed>) = 4 [pid 6127] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] getdents64(4, [pid 5064] <... close resumed>) = 0 [pid 6129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6128] close(3 [pid 6127] <... openat resumed>) = 3 [pid 6128] <... close resumed>) = 0 [pid 6127] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] rmdir("./85" [pid 6129] <... openat resumed>) = 3 [pid 6128] symlink("/dev/binderfs", "./binderfs" [pid 6127] <... chdir resumed>) = 0 [pid 5068] close(4 [pid 6129] write(3, "1000", 4 [pid 6128] <... symlink resumed>) = 0 [pid 6127] ioctl(4, LOOP_CLR_FD [pid 5068] <... close resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 6129] <... write resumed>) = 4 [pid 6128] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] close(3 [pid 6128] <... futex resumed>) = 0 [pid 6129] <... close resumed>) = 0 [pid 6128] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6127] <... ioctl resumed>) = 0 [pid 5068] rmdir("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] mkdir("./86", 0777 [pid 6129] symlink("/dev/binderfs", "./binderfs" [pid 6128] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6127] close(4 [pid 5068] <... rmdir resumed>) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 6129] <... symlink resumed>) = 0 [pid 6128] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6127] <... close resumed>) = 0 [pid 6128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6127] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6127] <... futex resumed>) = 1 [pid 6125] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... openat resumed>) = 3 [pid 6129] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6127] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6126] <... mount resumed>) = 0 [pid 6125] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(AT_FDCWD, "./85/binderfs", [pid 6129] <... futex resumed>) = 0 [pid 6128] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6127] <... mknod resumed>) = 0 [pid 6125] <... futex resumed>) = 0 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 6129] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6128] <... mprotect resumed>) = 0 [pid 6126] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6125] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6129] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6128] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6127] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... openat resumed>) = 3 [pid 6125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] unlink("./85/binderfs" [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6129] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6128] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6127] <... futex resumed>) = 0 [pid 6126] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6125] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... unlink resumed>) = 0 [pid 6129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6128] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6127] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6126] <... chdir resumed>) = 0 [pid 6125] <... futex resumed>) = 0 [pid 5064] close(3./strace-static-x86_64: Process 6130 attached [pid 6129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6126] ioctl(4, LOOP_CLR_FD [pid 6125] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(3, [pid 5064] <... close resumed>) = 0 [pid 6130] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6129] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6128] <... clone3 resumed> => {parent_tid=[6130]}, 88) = 6130 [pid 6126] <... ioctl resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6130] <... rseq resumed>) = 0 [pid 6129] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6128] rt_sigprocmask(SIG_SETMASK, [], [pid 6126] close(4 [pid 6130] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6129] <... mprotect resumed>) = 0 [pid 6128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6126] <... close resumed>) = 0 [pid 6130] <... set_robust_list resumed>) = 0 [pid 6129] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6128] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] close(3 [pid 6130] rt_sigprocmask(SIG_SETMASK, [], [pid 6128] <... futex resumed>) = 0 [pid 6130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6129] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6128] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6130] memfd_create("syzkaller", 0 [pid 6129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6126] <... futex resumed>) = 1 [pid 6124] <... futex resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 6130] <... memfd_create resumed>) = 3 [pid 6126] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./85"./strace-static-x86_64: Process 6131 attached ./strace-static-x86_64: Process 6132 attached [pid 6129] <... clone3 resumed> => {parent_tid=[6132]}, 88) = 6132 [pid 6126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6124] <... futex resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 6131] set_robust_list(0x5555556c56a0, 24 [pid 6132] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6129] rt_sigprocmask(SIG_SETMASK, [], [pid 6126] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6124] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] mkdir("./86", 0777 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6131 [pid 6131] <... set_robust_list resumed>) = 0 [pid 6132] <... rseq resumed>) = 0 [pid 6130] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6127] <... open resumed>) = 4 [pid 6126] <... mknod resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 6131] chdir("./86" [pid 6126] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... futex resumed>) = 1 [pid 6124] <... futex resumed>) = 0 [pid 6132] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6131] <... chdir resumed>) = 0 [pid 6132] <... set_robust_list resumed>) = 0 [pid 6129] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... futex resumed>) = 1 [pid 6126] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6125] <... futex resumed>) = 0 [pid 6124] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6132] rt_sigprocmask(SIG_SETMASK, [], [pid 6129] <... futex resumed>) = 0 [pid 6127] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6125] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... futex resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6131] <... prctl resumed>) = 0 [pid 6132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6125] <... futex resumed>) = 0 [pid 6124] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6129] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6125] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... openat resumed>) = 3 [pid 6131] setpgid(0, 0 [pid 6132] memfd_create("syzkaller", 0 [pid 6127] sync( [pid 6132] <... memfd_create resumed>) = 3 [pid 6131] <... setpgid resumed>) = 0 [pid 6132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] ioctl(3, LOOP_CLR_FD [pid 6131] <... openat resumed>) = 3 [pid 6132] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6130] 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"..., 524288 [pid 6126] <... open resumed>) = 4 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6131] write(3, "1000", 4) = 4 [pid 6132] 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"..., 524288 [pid 6126] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] close(3 [pid 6126] <... futex resumed>) = 1 [pid 6124] <... futex resumed>) = 0 [pid 6124] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... close resumed>) = 0 [pid 6131] close(3 [pid 6126] sync( [pid 6131] <... close resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6131] symlink("/dev/binderfs", "./binderfs" [pid 6124] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6131] <... symlink resumed>) = 0 [pid 6127] <... sync resumed>) = 0 [pid 6126] <... sync resumed>) = 0 [pid 6127] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... futex resumed>) = 1 [pid 6126] <... futex resumed>) = 1 [pid 6125] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 0 [pid 6127] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6126] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] exit_group(0 [pid 6125] exit_group(0 [pid 6126] <... futex resumed>) = ? [pid 6124] <... exit_group resumed>) = ? [pid 6127] <... futex resumed>) = ? [pid 6126] +++ exited with 0 +++ [pid 6125] <... exit_group resumed>) = ? [pid 6127] +++ exited with 0 +++ [pid 6132] <... write resumed>) = 524288 ./strace-static-x86_64: Process 6133 attached [pid 6131] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... write resumed>) = 524288 [pid 6125] +++ exited with 0 +++ [pid 6124] +++ exited with 0 +++ [pid 6133] set_robust_list(0x5555556c56a0, 24 [pid 6131] <... futex resumed>) = 0 [pid 6132] munmap(0x7fdb7f81d000, 138412032 [pid 6130] munmap(0x7fdb7f81d000, 138412032 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6124, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6133 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6125, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6133] <... set_robust_list resumed>) = 0 [pid 6131] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6132] <... munmap resumed>) = 0 [pid 6130] <... munmap resumed>) = 0 [pid 6131] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6133] chdir("./86" [pid 6131] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5067] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6133] <... chdir resumed>) = 0 [pid 6132] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6130] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6131] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6132] <... openat resumed>) = 4 [pid 6130] <... openat resumed>) = 4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6133] <... prctl resumed>) = 0 [pid 6131] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5069] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6133] setpgid(0, 0 [pid 6130] ioctl(4, LOOP_SET_FD, 3 [pid 5067] <... openat resumed>) = 3 [pid 6133] <... setpgid resumed>) = 0 [pid 6131] <... mprotect resumed>) = 0 [pid 6132] ioctl(4, LOOP_SET_FD, 3 [pid 6130] <... ioctl resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 6133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] newfstatat(3, "", [pid 6133] <... openat resumed>) = 3 [pid 6131] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6133] write(3, "1000", 4) = 4 [pid 6133] close(3) = 0 [pid 6133] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6133] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6133] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 6133] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 6130] close(3 [pid 6133] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6130] <... close resumed>) = 0 [pid 6133] <... mprotect resumed>) = 0 [pid 6130] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6133] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6131] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6132] <... ioctl resumed>) = 0 [pid 6130] <... mkdir resumed>) = 0 [pid 5069] getdents64(3, [pid 5067] getdents64(3, [pid 6133] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 ./strace-static-x86_64: Process 6134 attached [pid 6133] <... clone3 resumed> => {parent_tid=[6134]}, 88) = 6134 [pid 6131] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6132] close(3 [pid 6130] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] umount2("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 ./strace-static-x86_64: Process 6135 attached [pid 6134] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6133] rt_sigprocmask(SIG_SETMASK, [], [pid 6132] <... close resumed>) = 0 [pid 6135] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6134] <... rseq resumed>) = 0 [pid 6131] <... clone3 resumed> => {parent_tid=[6135]}, 88) = 6135 [pid 6132] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5067] umount2("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6135] <... rseq resumed>) = 0 [pid 6134] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6131] rt_sigprocmask(SIG_SETMASK, [], [pid 6130] <... mount resumed>) = 0 [pid 6135] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6134] <... set_robust_list resumed>) = 0 [pid 6133] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6132] <... mkdir resumed>) = 0 [ 170.897756][ T6130] loop1: detected capacity change from 0 to 1024 [ 170.908332][ T6132] loop2: detected capacity change from 0 to 1024 [pid 6130] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6135] <... set_robust_list resumed>) = 0 [pid 6134] rt_sigprocmask(SIG_SETMASK, [], [pid 6133] <... futex resumed>) = 0 [pid 6131] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6130] <... openat resumed>) = 3 [pid 6135] rt_sigprocmask(SIG_SETMASK, [], [pid 6134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6133] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6131] <... futex resumed>) = 0 [pid 6134] memfd_create("syzkaller", 0 [pid 6135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6134] <... memfd_create resumed>) = 3 [pid 6131] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6130] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6135] memfd_create("syzkaller", 0 [pid 6134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6130] <... chdir resumed>) = 0 [pid 6134] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6130] ioctl(4, LOOP_CLR_FD [pid 6135] <... memfd_create resumed>) = 3 [pid 6134] 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"..., 524288 [pid 6130] <... ioctl resumed>) = 0 [pid 6130] close(4) = 0 [pid 6135] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6130] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6130] <... futex resumed>) = 1 [pid 6128] <... futex resumed>) = 0 [pid 6128] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6128] <... futex resumed>) = 0 [pid 6130] <... mknod resumed>) = 0 [pid 6128] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6130] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6128] <... futex resumed>) = 0 [pid 6128] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6135] 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"..., 524288 [pid 6130] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6128] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6134] <... write resumed>) = 524288 [pid 5067] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 6132] <... mount resumed>) = 0 [pid 5069] umount2("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6132] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6135] <... write resumed>) = 524288 [pid 5069] newfstatat(AT_FDCWD, "./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6132] <... openat resumed>) = 3 [pid 6135] munmap(0x7fdb7f81d000, 138412032 [pid 6132] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6135] <... munmap resumed>) = 0 [pid 6132] <... chdir resumed>) = 0 [pid 5069] umount2("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6135] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6132] ioctl(4, LOOP_CLR_FD [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6135] <... openat resumed>) = 4 [pid 6132] <... ioctl resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... openat resumed>) = 4 [pid 6134] munmap(0x7fdb7f81d000, 138412032 [pid 6132] close(4 [pid 6130] <... open resumed>) = 4 [pid 5069] <... openat resumed>) = 4 [pid 5067] newfstatat(4, "", [pid 6135] ioctl(4, LOOP_SET_FD, 3 [pid 6134] <... munmap resumed>) = 0 [pid 6132] <... close resumed>) = 0 [pid 5069] newfstatat(4, "", [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6132] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, [pid 6134] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6132] <... futex resumed>) = 1 [pid 6130] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... futex resumed>) = 0 [pid 6128] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] getdents64(4, [pid 6134] <... openat resumed>) = 4 [pid 6132] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6130] <... futex resumed>) = 0 [pid 6129] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6134] ioctl(4, LOOP_SET_FD, 3 [pid 6132] <... mknod resumed>) = 0 [pid 6130] sync( [pid 6129] <... futex resumed>) = 0 [pid 6128] <... futex resumed>) = 0 [pid 5069] getdents64(4, [pid 5067] getdents64(4, [pid 6132] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 6129] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6129] <... futex resumed>) = 0 [pid 5067] rmdir("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6129] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... rmdir resumed>) = 0 [pid 6132] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6129] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=45000000} [pid 5069] close(4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./85/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./85/binderfs" [pid 6132] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5069] <... close resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 6134] <... ioctl resumed>) = 0 [pid 5067] getdents64(3, [pid 6134] close(3 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6134] <... close resumed>) = 0 [pid 5069] rmdir("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] close(3 [pid 5069] <... rmdir resumed>) = 0 [ 171.035354][ T6134] loop4: detected capacity change from 0 to 1024 [ 171.035833][ T6135] loop0: detected capacity change from 0 to 1024 [pid 6134] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... close resumed>) = 0 [pid 6132] <... open resumed>) = 4 [pid 6134] <... mkdir resumed>) = 0 [pid 5067] rmdir("./85" [pid 6132] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... rmdir resumed>) = 0 [pid 6132] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 0 [pid 6128] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] newfstatat(AT_FDCWD, "./84/binderfs", [pid 6129] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6134] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6132] sync( [pid 6129] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] mkdir("./86", 0777 [pid 6135] <... ioctl resumed>) = 0 [pid 5069] unlink("./84/binderfs" [pid 5067] <... mkdir resumed>) = 0 [pid 6135] close(3 [pid 6130] <... sync resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 6135] <... close resumed>) = 0 [pid 5069] getdents64(3, [pid 6135] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6135] <... mkdir resumed>) = 0 [pid 6130] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6130] <... futex resumed>) = 0 [pid 6128] exit_group(0 [pid 5069] close(3 [pid 6134] <... mount resumed>) = 0 [pid 6128] <... exit_group resumed>) = ? [pid 5069] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] rmdir("./84" [pid 5067] <... openat resumed>) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5069] <... rmdir resumed>) = 0 [pid 6134] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6130] +++ exited with 0 +++ [pid 6128] +++ exited with 0 +++ [pid 5067] close(3) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6128, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6134] <... openat resumed>) = 3 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] mkdir("./85", 0777 [pid 6135] <... mount resumed>) = 0 [pid 6134] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6129] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] <... mkdir resumed>) = 0 [pid 5065] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6135] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6135] <... openat resumed>) = 3 [pid 6134] <... chdir resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6136 [pid 5065] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6135] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5065] <... openat resumed>) = 3 [pid 6135] <... chdir resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6135] ioctl(4, LOOP_CLR_FD [pid 5069] close(3 [pid 5065] newfstatat(3, "", [pid 6135] <... ioctl resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 6135] close(4./strace-static-x86_64: Process 6136 attached ) = 0 [pid 6134] ioctl(4, LOOP_CLR_FD [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6135] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] getdents64(3, [pid 6135] <... futex resumed>) = 1 [pid 6131] <... futex resumed>) = 0 [pid 6136] set_robust_list(0x5555556c56a0, 24 [pid 6135] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6134] <... ioctl resumed>) = 0 [pid 6131] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6136] <... set_robust_list resumed>) = 0 [pid 6134] close(4 [pid 6136] chdir("./86" [pid 6134] <... close resumed>) = 0 [pid 6131] <... futex resumed>) = 0 [pid 6136] <... chdir resumed>) = 0 [pid 6134] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6135] <... mknod resumed>) = 0 [pid 5065] umount2("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6136] <... prctl resumed>) = 0 [pid 6134] <... futex resumed>) = 1 [pid 6133] <... futex resumed>) = 0 [pid 6136] setpgid(0, 0 [pid 6135] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6133] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... setpgid resumed>) = 0 [pid 6135] <... futex resumed>) = 1 [pid 6134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6133] <... futex resumed>) = 0 [pid 6131] <... futex resumed>) = 0 [pid 6136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6135] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6133] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6131] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... openat resumed>) = 3 [pid 6135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6134] <... mknod resumed>) = 0 [pid 6131] <... futex resumed>) = 0 [pid 6132] <... sync resumed>) = 0 ./strace-static-x86_64: Process 6137 attached [pid 6135] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6131] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6132] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = 0 [pid 6136] write(3, "1000", 4 [pid 6134] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6132] <... futex resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6137 [pid 5065] umount2("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6136] <... write resumed>) = 4 [pid 6134] <... futex resumed>) = 1 [pid 6133] <... futex resumed>) = 0 [pid 6129] exit_group(0 [pid 6137] set_robust_list(0x5555556c56a0, 24 [pid 6136] close(3 [pid 6133] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... exit_group resumed>) = ? [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6137] <... set_robust_list resumed>) = 0 [pid 6136] <... close resumed>) = 0 [pid 6134] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6133] <... futex resumed>) = 0 [pid 6132] +++ exited with 0 +++ [pid 6137] chdir("./85" [pid 6136] symlink("/dev/binderfs", "./binderfs" [pid 6133] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] newfstatat(AT_FDCWD, "./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6137] <... chdir resumed>) = 0 [pid 6136] <... symlink resumed>) = 0 [pid 6135] <... open resumed>) = 4 [pid 6129] +++ exited with 0 +++ [pid 6134] <... open resumed>) = 4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6136] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6129, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5065] umount2("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6137] <... prctl resumed>) = 0 [pid 6136] <... futex resumed>) = 0 [pid 6135] <... futex resumed>) = 1 [pid 6134] <... futex resumed>) = 1 [pid 6133] <... futex resumed>) = 0 [pid 6131] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6131] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6133] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... futex resumed>) = 0 [pid 5065] <... openat resumed>) = 4 [pid 6131] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6134] sync( [pid 6137] setpgid(0, 0 [pid 6133] <... futex resumed>) = 0 [pid 6137] <... setpgid resumed>) = 0 [pid 6136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6133] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6135] sync( [pid 5065] newfstatat(4, "", [pid 6136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 5066] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6136] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6137] <... openat resumed>) = 3 [pid 6136] <... mprotect resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6136] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6135] <... sync resumed>) = 0 [pid 6134] <... sync resumed>) = 0 [pid 6136] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6135] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... openat resumed>) = 3 [pid 6137] write(3, "1000", 4 [pid 6136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6135] <... futex resumed>) = 1 [pid 6134] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6131] <... futex resumed>) = 0 [pid 5066] newfstatat(3, "", [pid 5065] getdents64(4, ./strace-static-x86_64: Process 6138 attached [pid 6137] <... write resumed>) = 4 [pid 6135] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6134] <... futex resumed>) = 1 [pid 6133] <... futex resumed>) = 0 [pid 6131] exit_group(0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6138] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6137] close(3 [pid 6136] <... clone3 resumed> => {parent_tid=[6138]}, 88) = 6138 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6133] exit_group(0 [pid 6131] <... exit_group resumed>) = ? [pid 6133] <... exit_group resumed>) = ? [pid 6138] <... rseq resumed>) = 0 [pid 6136] rt_sigprocmask(SIG_SETMASK, [], [pid 6135] <... futex resumed>) = ? [pid 6138] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6135] +++ exited with 0 +++ [pid 6131] +++ exited with 0 +++ [pid 6138] <... set_robust_list resumed>) = 0 [pid 6137] <... close resumed>) = 0 [pid 6136] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] getdents64(3, [pid 5065] getdents64(4, [pid 6138] rt_sigprocmask(SIG_SETMASK, [], [pid 6136] <... futex resumed>) = 0 [pid 6134] +++ exited with 0 +++ [pid 6137] symlink("/dev/binderfs", "./binderfs" [pid 6133] +++ exited with 0 +++ [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6131, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6133, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5065] close(4 [pid 6138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6137] <... symlink resumed>) = 0 [pid 6136] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5065] <... close resumed>) = 0 [pid 5064] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6137] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5065] rmdir("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6138] memfd_create("syzkaller", 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5064] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6138] <... memfd_create resumed>) = 3 [pid 6137] <... futex resumed>) = 0 [pid 5068] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6138] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6137] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... openat resumed>) = 3 [pid 6138] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6137] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(3, "", [pid 6138] 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"..., 524288 [pid 6137] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5066] umount2("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 3 [pid 6137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] newfstatat(AT_FDCWD, "./85/binderfs", [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] newfstatat(3, "", [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] getdents64(3, [pid 6137] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6137] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5068] getdents64(3, [pid 5064] umount2("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6137] <... mprotect resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] unlink("./85/binderfs" [pid 6137] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] umount2("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6138] <... write resumed>) = 524288 [pid 6137] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] <... unlink resumed>) = 0 [pid 6137] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5065] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6137] <... clone3 resumed> => {parent_tid=[6139]}, 88) = 6139 [pid 5065] close(3 [pid 6137] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5065] <... close resumed>) = 0 [pid 6137] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] rmdir("./85" [pid 6137] <... futex resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6139 attached [pid 6139] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053) = 0 [pid 6139] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 6139] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6139] memfd_create("syzkaller", 0 [pid 5066] <... umount2 resumed>) = 0 [pid 6139] <... memfd_create resumed>) = 3 [pid 6139] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 6139] 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"..., 524288 [pid 6137] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5068] <... umount2 resumed>) = 0 [pid 5066] umount2("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] mkdir("./86", 0777) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6138] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 6138] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5068] umount2("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] newfstatat(AT_FDCWD, "./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5064] <... umount2 resumed>) = 0 [pid 6138] ioctl(4, LOOP_SET_FD, 3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5064] umount2("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(AT_FDCWD, "./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] umount2("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] newfstatat(AT_FDCWD, "./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5068] umount2("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] close(3 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6139] <... write resumed>) = 524288 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] openat(AT_FDCWD, "./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... close resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] openat(AT_FDCWD, "./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... openat resumed>) = 4 [pid 5068] <... openat resumed>) = 4 [pid 5068] newfstatat(4, "", [pid 5066] newfstatat(4, "", [pid 5064] umount2("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6140 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] getdents64(4, ./strace-static-x86_64: Process 6140 attached [pid 5068] getdents64(4, [pid 5064] openat(AT_FDCWD, "./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6140] set_robust_list(0x5555556c56a0, 24 [pid 6138] <... ioctl resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6139] munmap(0x7fdb7f81d000, 138412032 [pid 6138] close(3 [pid 5068] close(4 [pid 5064] <... openat resumed>) = 4 [pid 6140] <... set_robust_list resumed>) = 0 [pid 6139] <... munmap resumed>) = 0 [pid 6138] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5066] getdents64(4, [pid 5064] newfstatat(4, "", [pid 6140] chdir("./86") = 0 [pid 6138] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6139] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6138] <... mkdir resumed>) = 0 [pid 6140] <... prctl resumed>) = 0 [pid 6139] <... openat resumed>) = 4 [pid 6140] setpgid(0, 0 [pid 6139] ioctl(4, LOOP_SET_FD, 3 [pid 6140] <... setpgid resumed>) = 0 [pid 5068] rmdir("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6138] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [ 171.396457][ T6138] loop3: detected capacity change from 0 to 1024 [pid 5064] getdents64(4, [pid 6140] <... openat resumed>) = 3 [pid 5068] <... rmdir resumed>) = 0 [pid 5066] close(4 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6140] write(3, "1000", 4 [pid 5066] <... close resumed>) = 0 [pid 5064] getdents64(4, [pid 6140] <... write resumed>) = 4 [pid 5068] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] rmdir("./84/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] close(4 [pid 6140] close(3) = 0 [pid 5068] newfstatat(AT_FDCWD, "./86/binderfs", [pid 5066] <... rmdir resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 6140] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] rmdir("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6140] <... symlink resumed>) = 0 [pid 5068] unlink("./86/binderfs" [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... rmdir resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./84/binderfs", [pid 5064] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6140] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... unlink resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6140] <... futex resumed>) = 0 [pid 5068] getdents64(3, [pid 5066] unlink("./84/binderfs" [pid 5064] newfstatat(AT_FDCWD, "./86/binderfs", [pid 6140] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6140] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] close(3 [pid 5066] <... unlink resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6140] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6138] <... mount resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 6140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6138] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] rmdir("./86" [pid 5064] unlink("./86/binderfs" [pid 6140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6139] <... ioctl resumed>) = 0 [pid 6138] <... openat resumed>) = 3 [pid 5068] <... rmdir resumed>) = 0 [pid 5066] getdents64(3, [pid 6140] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6139] close(3 [pid 6138] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] mkdir("./87", 0777 [pid 5064] <... unlink resumed>) = 0 [pid 6140] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6139] <... close resumed>) = 0 [pid 6138] <... chdir resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] getdents64(3, [pid 6140] <... mprotect resumed>) = 0 [pid 6139] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6138] ioctl(4, LOOP_CLR_FD [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5066] close(3 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6140] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6139] <... mkdir resumed>) = 0 [pid 6138] <... ioctl resumed>) = 0 [pid 5064] close(3 [pid 6140] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6138] close(4 [pid 5068] <... openat resumed>) = 3 [pid 5066] <... close resumed>) = 0 [pid 6138] <... close resumed>) = 0 [pid 5066] rmdir("./84" [pid 5064] <... close resumed>) = 0 [pid 6140] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6138] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] rmdir("./86"./strace-static-x86_64: Process 6141 attached [pid 6139] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6138] <... futex resumed>) = 1 [pid 6136] <... futex resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5066] <... rmdir resumed>) = 0 [pid 6141] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6140] <... clone3 resumed> => {parent_tid=[6141]}, 88) = 6141 [pid 6138] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... rmdir resumed>) = 0 [pid 6141] <... rseq resumed>) = 0 [pid 6140] rt_sigprocmask(SIG_SETMASK, [], [pid 6138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6136] <... futex resumed>) = 0 [pid 6141] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6140] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 171.459741][ T6139] loop5: detected capacity change from 0 to 1024 [pid 6138] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6136] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] mkdir("./87", 0777 [pid 6141] <... set_robust_list resumed>) = 0 [pid 6140] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] rt_sigprocmask(SIG_SETMASK, [], [pid 6140] <... futex resumed>) = 0 [pid 6138] <... mknod resumed>) = 0 [pid 5068] close(3 [pid 5064] <... mkdir resumed>) = 0 [pid 6141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5068] <... close resumed>) = 0 [pid 5066] mkdir("./85", 0777 [pid 6141] memfd_create("syzkaller", 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... mkdir resumed>) = 0 [pid 6141] <... memfd_create resumed>) = 3 [pid 6139] <... mount resumed>) = 0 [pid 6138] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6138] <... futex resumed>) = 1 [pid 6136] <... futex resumed>) = 0 [pid 6141] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6139] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6136] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] 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"..., 524288 [pid 6139] <... openat resumed>) = 3 [pid 6138] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6136] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6142 attached [pid 5064] <... openat resumed>) = 3 [pid 6142] set_robust_list(0x5555556c56a0, 24 [pid 6136] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6142 [pid 6142] <... set_robust_list resumed>) = 0 [pid 6142] chdir("./87") = 0 [pid 6142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6139] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6142] <... prctl resumed>) = 0 [pid 6142] setpgid(0, 0 [pid 6139] ioctl(4, LOOP_CLR_FD [pid 6142] <... setpgid resumed>) = 0 [pid 6139] <... ioctl resumed>) = 0 [pid 6142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6139] close(4 [pid 6142] <... openat resumed>) = 3 [pid 6139] <... close resumed>) = 0 [pid 6142] write(3, "1000", 4 [pid 6139] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... write resumed>) = 4 [pid 6139] <... futex resumed>) = 1 [pid 6138] <... open resumed>) = 4 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 6142] close(3 [pid 6141] <... write resumed>) = 524288 [pid 6139] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6142] <... close resumed>) = 0 [pid 6138] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6138] <... futex resumed>) = 1 [pid 6136] <... futex resumed>) = 0 [pid 6138] sync( [pid 6136] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... futex resumed>) = 0 [pid 6136] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] <... futex resumed>) = 0 [pid 6142] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6137] <... futex resumed>) = 0 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6142] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6142] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6137] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] close(3 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 6142] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6139] <... futex resumed>) = 0 [pid 6137] <... futex resumed>) = 1 [pid 5066] <... openat resumed>) = 3 [pid 5064] <... close resumed>) = 0 [pid 6142] <... mprotect resumed>) = 0 [pid 6139] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6142] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6139] <... mknod resumed>) = 0 [pid 6137] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6142] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6142] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6139] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6141] munmap(0x7fdb7f81d000, 138412032 [pid 6139] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6142] <... clone3 resumed> => {parent_tid=[6143]}, 88) = 6143 [pid 6141] <... munmap resumed>) = 0 [pid 6142] rt_sigprocmask(SIG_SETMASK, [], [pid 6137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] close(3 [pid 6142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6142] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6142] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6143 attached [pid 6143] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 6144 attached ) = 0 [pid 6141] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6137] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... close resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6144 [pid 6143] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6141] <... openat resumed>) = 4 [pid 6139] <... futex resumed>) = 0 [pid 6137] <... futex resumed>) = 1 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6144] set_robust_list(0x5555556c56a0, 24 [pid 6143] <... set_robust_list resumed>) = 0 [pid 6141] ioctl(4, LOOP_SET_FD, 3 [pid 6139] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6137] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6144] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6145 attached [pid 6144] chdir("./87" [pid 6143] rt_sigprocmask(SIG_SETMASK, [], [pid 6141] <... ioctl resumed>) = 0 [pid 6136] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6145] set_robust_list(0x5555556c56a0, 24 [pid 6144] <... chdir resumed>) = 0 [pid 6143] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6138] <... sync resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6145 [pid 6138] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... set_robust_list resumed>) = 0 [pid 6144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6143] memfd_create("syzkaller", 0 [pid 6138] <... futex resumed>) = 0 [pid 6136] exit_group(0 [pid 6145] chdir("./85" [pid 6144] <... prctl resumed>) = 0 [pid 6136] <... exit_group resumed>) = ? [pid 6144] setpgid(0, 0 [pid 6138] +++ exited with 0 +++ [pid 6136] +++ exited with 0 +++ [pid 6145] <... chdir resumed>) = 0 [pid 6144] <... setpgid resumed>) = 0 [pid 6143] <... memfd_create resumed>) = 3 [pid 6145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6143] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6139] <... open resumed>) = 4 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6136, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6143] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6143] 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"..., 524288 [pid 6137] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6139] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... prctl resumed>) = 0 [pid 6144] <... openat resumed>) = 3 [pid 6139] <... futex resumed>) = 0 [ 171.619370][ T6141] loop1: detected capacity change from 0 to 1024 [pid 6137] <... futex resumed>) = 0 [pid 5067] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6145] setpgid(0, 0 [pid 6144] write(3, "1000", 4 [pid 6141] close(3 [pid 6139] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6145] <... setpgid resumed>) = 0 [pid 6144] <... write resumed>) = 4 [pid 6141] <... close resumed>) = 0 [pid 6137] <... mmap resumed>) = 0x7fdb87bfc000 [pid 6144] close(3 [pid 6145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6144] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6144] symlink("/dev/binderfs", "./binderfs" [pid 6141] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6137] mprotect(0x7fdb87bfd000, 131072, PROT_READ|PROT_WRITE [pid 5067] <... openat resumed>) = 3 [pid 6145] <... openat resumed>) = 3 [pid 6137] <... mprotect resumed>) = 0 [pid 6141] <... mkdir resumed>) = 0 [pid 6145] write(3, "1000", 4 [pid 6144] <... symlink resumed>) = 0 [pid 6141] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6137] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] newfstatat(3, "", [pid 6145] <... write resumed>) = 4 [pid 6137] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6137] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c1c990, parent_tid=0x7fdb87c1c990, exit_signal=0, stack=0x7fdb87bfc000, stack_size=0x20300, tls=0x7fdb87c1c6c0} [pid 6145] close(3 [pid 6144] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] getdents64(3, [pid 6145] <... close resumed>) = 0 [pid 6144] <... futex resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6145] symlink("/dev/binderfs", "./binderfs" [pid 6144] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5067] umount2("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6145] <... symlink resumed>) = 0 [pid 6144] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6141] <... mount resumed>) = 0 [pid 6145] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6143] <... write resumed>) = 524288 [pid 6141] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6145] <... futex resumed>) = 0 [pid 6144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6145] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6146 attached [pid 6145] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6144] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6141] <... openat resumed>) = 3 [pid 6137] <... clone3 resumed> => {parent_tid=[6146]}, 88) = 6146 [pid 6146] rseq(0x7fdb87c1cfe0, 0x20, 0, 0x53053053 [pid 6145] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6144] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6143] munmap(0x7fdb7f81d000, 138412032 [pid 6141] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6137] rt_sigprocmask(SIG_SETMASK, [], [pid 6146] <... rseq resumed>) = 0 [pid 6145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6144] <... mprotect resumed>) = 0 [pid 6143] <... munmap resumed>) = 0 [pid 6141] <... chdir resumed>) = 0 [pid 6137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6146] set_robust_list(0x7fdb87c1c9a0, 24 [pid 6145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6144] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6141] ioctl(4, LOOP_CLR_FD [pid 6137] futex(0x7fdb87d096b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6144] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6146] <... set_robust_list resumed>) = 0 [pid 6145] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6143] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6141] <... ioctl resumed>) = 0 [pid 6137] <... futex resumed>) = 0 [pid 6146] rt_sigprocmask(SIG_SETMASK, [], [pid 6144] <... clone3 resumed> => {parent_tid=[6147]}, 88) = 6147 [pid 6143] <... openat resumed>) = 4 [pid 6141] close(4 [pid 6137] futex(0x7fdb87d096bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6144] rt_sigprocmask(SIG_SETMASK, [], [pid 6143] ioctl(4, LOOP_SET_FD, 3 [pid 6141] <... close resumed>) = 0 ./strace-static-x86_64: Process 6147 attached [pid 6146] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6145] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6144] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 6147] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6146] sync( [pid 6145] <... mprotect resumed>) = 0 [pid 6144] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] umount2("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6147] <... rseq resumed>) = 0 [pid 6144] <... futex resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6147] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6144] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6141] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] newfstatat(AT_FDCWD, "./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6147] <... set_robust_list resumed>) = 0 [pid 6141] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6147] rt_sigprocmask(SIG_SETMASK, [], [pid 6141] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6140] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6145] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6141] <... mknod resumed>) = 0 [pid 6140] <... futex resumed>) = 0 [pid 5067] umount2("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6147] memfd_create("syzkaller", 0 [pid 6141] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] <... futex resumed>) = 0 [pid 6141] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6140] <... futex resumed>) = 0 [pid 6147] <... memfd_create resumed>) = 3 [pid 6145] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6141] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6140] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6147] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6145] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5067] openat(AT_FDCWD, "./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6148 attached [pid 6147] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6143] <... ioctl resumed>) = 0 [pid 6143] close(3) = 0 [ 171.761736][ T6143] loop4: detected capacity change from 0 to 1024 [pid 6143] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6148] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6145] <... clone3 resumed> => {parent_tid=[6148]}, 88) = 6148 [pid 6143] <... mkdir resumed>) = 0 [pid 6137] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6148] <... rseq resumed>) = 0 [pid 6147] 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"..., 524288 [pid 6145] rt_sigprocmask(SIG_SETMASK, [], [pid 6143] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6141] <... open resumed>) = 4 [pid 5067] <... openat resumed>) = 4 [pid 6148] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6145] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] newfstatat(4, "", [pid 6148] <... set_robust_list resumed>) = 0 [pid 6146] <... sync resumed>) = 0 [pid 6145] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6148] rt_sigprocmask(SIG_SETMASK, [], [pid 6146] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6145] <... futex resumed>) = 0 [pid 6143] <... mount resumed>) = 0 [pid 6141] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = 0 [pid 6137] exit_group(0 [pid 5067] getdents64(4, [pid 6148] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6146] <... futex resumed>) = ? [pid 6143] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6140] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] <... exit_group resumed>) = ? [pid 6145] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6146] +++ exited with 0 +++ [pid 6143] <... openat resumed>) = 3 [pid 6140] <... futex resumed>) = 0 [pid 6148] memfd_create("syzkaller", 0 [pid 6143] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6141] sync( [pid 6140] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6139] <... futex resumed>) = ? [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6148] <... memfd_create resumed>) = 3 [pid 6143] <... chdir resumed>) = 0 [pid 6148] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6143] ioctl(4, LOOP_CLR_FD [pid 6148] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6143] <... ioctl resumed>) = 0 [pid 6143] close(4) = 0 [pid 6143] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6143] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6148] 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"..., 524288 [pid 6147] <... write resumed>) = 524288 [pid 6142] <... futex resumed>) = 0 [pid 6142] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... sync resumed>) = 0 [pid 6139] +++ exited with 0 +++ [pid 6137] +++ exited with 0 +++ [pid 6143] <... futex resumed>) = 0 [pid 6142] <... futex resumed>) = 1 [pid 5067] getdents64(4, [pid 6147] munmap(0x7fdb7f81d000, 138412032 [pid 6143] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6141] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... munmap resumed>) = 0 [pid 6143] <... mknod resumed>) = 0 [pid 6142] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] <... futex resumed>) = 1 [pid 6140] <... futex resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6137, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6141] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] exit_group(0 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5067] close(4 [pid 6147] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6143] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6142] <... futex resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 6147] <... openat resumed>) = 4 [pid 6143] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6140] <... exit_group resumed>) = ? [pid 5067] rmdir("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6142] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6141] <... futex resumed>) = ? [pid 5069] <... restart_syscall resumed>) = 0 [pid 6142] <... futex resumed>) = 0 [pid 6147] ioctl(4, LOOP_SET_FD, 3 [pid 6143] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6142] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] +++ exited with 0 +++ [pid 6140] +++ exited with 0 +++ [pid 5067] <... rmdir resumed>) = 0 [pid 6148] <... write resumed>) = 524288 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6140, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5069] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 3 [pid 5065] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] newfstatat(3, "", [pid 5065] newfstatat(3, "", [pid 6148] munmap(0x7fdb7f81d000, 138412032 [pid 6143] <... open resumed>) = 4 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6148] <... munmap resumed>) = 0 [pid 6147] <... ioctl resumed>) = 0 [pid 6143] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] getdents64(3, [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] getdents64(3, [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6143] <... futex resumed>) = 1 [pid 5065] umount2("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6143] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] umount2("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6148] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6147] close(3 [pid 6142] <... futex resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./86/binderfs", [pid 6147] <... close resumed>) = 0 [pid 6142] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6142] <... futex resumed>) = 1 [pid 6143] <... futex resumed>) = 0 [pid 6142] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6143] sync( [pid 6148] <... openat resumed>) = 4 [pid 6147] <... mkdir resumed>) = 0 [ 171.929325][ T6147] loop0: detected capacity change from 0 to 1024 [pid 5067] unlink("./86/binderfs" [pid 6148] ioctl(4, LOOP_SET_FD, 3 [pid 6147] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] <... unlink resumed>) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5069] umount2("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] getdents64(3, [pid 5069] newfstatat(AT_FDCWD, "./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] umount2("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] newfstatat(AT_FDCWD, "./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5067] close(3 [pid 5069] umount2("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... close resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] umount2("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... openat resumed>) = 4 [pid 5065] openat(AT_FDCWD, "./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] newfstatat(4, "", [pid 5067] rmdir("./86" [pid 5065] <... openat resumed>) = 4 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] newfstatat(4, "", [pid 5069] getdents64(4, [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] getdents64(4, [pid 5069] getdents64(4, [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 5065] getdents64(4, [pid 5069] <... close resumed>) = 0 [pid 6142] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] rmdir("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6148] <... ioctl resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5065] close(4) = 0 [pid 5069] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... rmdir resumed>) = 0 [pid 5065] rmdir("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6148] close(3 [pid 6143] <... sync resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] mkdir("./87", 0777 [pid 5065] <... rmdir resumed>) = 0 [pid 6143] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(AT_FDCWD, "./85/binderfs", [pid 5067] <... mkdir resumed>) = 0 [pid 5065] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6147] <... mount resumed>) = 0 [pid 6143] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6148] <... close resumed>) = 0 [pid 6147] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6143] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6142] exit_group(0 [pid 5069] unlink("./85/binderfs" [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6143] <... futex resumed>) = ? [pid 6142] <... exit_group resumed>) = ? [pid 5069] <... unlink resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./86/binderfs", [pid 6143] +++ exited with 0 +++ [pid 5069] getdents64(3, [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] unlink("./86/binderfs" [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... unlink resumed>) = 0 [pid 5069] close(3 [pid 5065] getdents64(3, [pid 5069] <... close resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6142] +++ exited with 0 +++ [pid 5069] rmdir("./85" [pid 5065] close(3 [pid 6148] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6147] <... openat resumed>) = 3 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6142, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5067] <... openat resumed>) = 3 [pid 5065] <... close resumed>) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6147] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] ioctl(3, LOOP_CLR_FD [pid 6147] <... chdir resumed>) = 0 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6147] ioctl(4, LOOP_CLR_FD) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] rmdir("./86" [pid 5068] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... rmdir resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [ 171.991499][ T6148] loop2: detected capacity change from 0 to 1024 [pid 5065] mkdir("./87", 0777 [pid 6148] <... mkdir resumed>) = 0 [pid 6147] close(4 [pid 5068] newfstatat(3, "", [pid 5065] <... mkdir resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] close(3 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6147] <... close resumed>) = 0 [pid 5068] getdents64(3, [pid 5067] <... close resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5069] mkdir("./86", 0777 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6147] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5068] umount2("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6147] <... futex resumed>) = 1 [pid 6144] <... futex resumed>) = 0 [pid 6144] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = 0 [pid 6144] <... futex resumed>) = 0 [pid 6144] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... ioctl resumed>) = 0 [pid 5065] close(3) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] umount2("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5069] <... mkdir resumed>) = 0 [pid 6147] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6148] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6149 attached [pid 6147] <... mknod resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6149 [pid 6149] set_robust_list(0x5555556c56a0, 24 [pid 5068] <... openat resumed>) = 4 [pid 6149] <... set_robust_list resumed>) = 0 [pid 6149] chdir("./87" [pid 5068] newfstatat(4, "", ./strace-static-x86_64: Process 6150 attached [pid 6149] <... chdir resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6147] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6150] set_robust_list(0x5555556c56a0, 24 [pid 6149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6150] <... set_robust_list resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5068] getdents64(4, [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6150 [pid 6147] <... futex resumed>) = 1 [pid 6150] chdir("./87" [pid 6149] <... prctl resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6150] <... chdir resumed>) = 0 [pid 6149] setpgid(0, 0 [pid 5068] getdents64(4, [pid 6150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6149] <... setpgid resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6150] <... prctl resumed>) = 0 [pid 6150] setpgid(0, 0 [pid 6149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] close(4 [pid 6150] <... setpgid resumed>) = 0 [pid 6150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6147] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6150] write(3, "1000", 4 [pid 6149] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 6150] <... write resumed>) = 4 [pid 6150] close(3 [pid 5068] rmdir("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6150] <... close resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 6150] symlink("/dev/binderfs", "./binderfs" [pid 6149] write(3, "1000", 4 [pid 6150] <... symlink resumed>) = 0 [pid 6149] <... write resumed>) = 4 [pid 6148] <... mount resumed>) = 0 [pid 6144] <... futex resumed>) = 0 [pid 5069] close(3 [pid 5068] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6144] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6151 attached [pid 6150] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] close(3 [pid 6148] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6147] <... futex resumed>) = 0 [pid 6144] <... futex resumed>) = 1 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6147] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6144] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6151 [pid 6149] <... close resumed>) = 0 [pid 6149] symlink("/dev/binderfs", "./binderfs" [pid 6148] <... openat resumed>) = 3 [pid 6149] <... symlink resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./87/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6150] <... futex resumed>) = 0 [pid 6148] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] unlink("./87/binderfs" [pid 6151] set_robust_list(0x5555556c56a0, 24 [pid 6148] <... chdir resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 6151] <... set_robust_list resumed>) = 0 [pid 6151] chdir("./86" [pid 6150] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6149] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] ioctl(4, LOOP_CLR_FD [pid 5068] getdents64(3, [pid 6151] <... chdir resumed>) = 0 [pid 6150] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6149] <... futex resumed>) = 0 [pid 6148] <... ioctl resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6150] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6149] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5068] close(3 [pid 6151] <... prctl resumed>) = 0 [pid 6150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6149] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6148] close(4 [pid 5068] <... close resumed>) = 0 [pid 6151] setpgid(0, 0 [pid 6150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6149] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6148] <... close resumed>) = 0 [pid 5068] rmdir("./87" [pid 6150] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6150] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6150] <... mprotect resumed>) = 0 [pid 6151] <... setpgid resumed>) = 0 [pid 6151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6147] <... open resumed>) = 4 [pid 5068] <... rmdir resumed>) = 0 [pid 6147] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6144] <... futex resumed>) = 0 [pid 6151] <... openat resumed>) = 3 [pid 6150] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6149] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6148] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] sync( [pid 6144] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6148] <... futex resumed>) = 1 [pid 6149] <... mprotect resumed>) = 0 [pid 6148] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6145] <... futex resumed>) = 0 [pid 6144] <... futex resumed>) = 0 [pid 6145] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6150] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6149] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6148] <... futex resumed>) = 0 [pid 6145] <... futex resumed>) = 1 [pid 5068] mkdir("./88", 0777 [pid 6150] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6149] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6148] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6145] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6152 attached [pid 6151] write(3, "1000", 4 [pid 6149] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6148] <... mknod resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 6152] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6151] <... write resumed>) = 4 [pid 6150] <... clone3 resumed> => {parent_tid=[6152]}, 88) = 6152 ./strace-static-x86_64: Process 6153 attached [pid 6152] <... rseq resumed>) = 0 [pid 6151] close(3 [pid 6150] rt_sigprocmask(SIG_SETMASK, [], [pid 6149] <... clone3 resumed> => {parent_tid=[6153]}, 88) = 6153 [pid 6148] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6153] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6152] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6151] <... close resumed>) = 0 [pid 6150] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6147] <... sync resumed>) = 0 [pid 6151] symlink("/dev/binderfs", "./binderfs" [pid 6147] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6147] <... futex resumed>) = 1 [pid 6150] <... futex resumed>) = 0 [pid 6147] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] <... rseq resumed>) = 0 [pid 6150] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6149] rt_sigprocmask(SIG_SETMASK, [], [pid 6148] <... futex resumed>) = 1 [pid 6144] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 6149] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6148] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6144] exit_group(0 [pid 6145] <... futex resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 6151] <... symlink resumed>) = 0 [pid 6152] <... set_robust_list resumed>) = 0 [pid 6149] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6147] <... futex resumed>) = ? [pid 6145] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6144] <... exit_group resumed>) = ? [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6152] rt_sigprocmask(SIG_SETMASK, [], [pid 6151] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6149] <... futex resumed>) = 0 [pid 6148] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6145] <... futex resumed>) = 0 [pid 6153] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6152] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6151] <... futex resumed>) = 0 [pid 6149] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6147] +++ exited with 0 +++ [pid 6144] +++ exited with 0 +++ [pid 5068] close(3 [pid 6153] <... set_robust_list resumed>) = 0 [pid 6145] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6152] memfd_create("syzkaller", 0 [pid 6151] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6144, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6153] memfd_create("syzkaller", 0 [pid 5068] <... close resumed>) = 0 [pid 6153] <... memfd_create resumed>) = 3 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6153] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6152] <... memfd_create resumed>) = 3 [pid 6151] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6153] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6151] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6153] 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"..., 524288 [pid 6152] <... mmap resumed>) = 0x7fdb7f81d000 ./strace-static-x86_64: Process 6154 attached [pid 6151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6148] <... open resumed>) = 4 [pid 6154] set_robust_list(0x5555556c56a0, 24 [pid 5064] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6154] <... set_robust_list resumed>) = 0 [pid 6148] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6151] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6154] chdir("./88" [pid 6148] <... futex resumed>) = 1 [pid 6145] <... futex resumed>) = 0 [pid 6151] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5064] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6154] <... chdir resumed>) = 0 [pid 6151] <... mprotect resumed>) = 0 [pid 6145] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6148] sync( [pid 6145] <... futex resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 6154] <... prctl resumed>) = 0 [pid 6151] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6145] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6154 [pid 6154] setpgid(0, 0 [pid 6153] <... write resumed>) = 524288 [pid 6151] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5064] newfstatat(3, "", [pid 6154] <... setpgid resumed>) = 0 [pid 6154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6151] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6154] <... openat resumed>) = 3 [pid 6151] <... clone3 resumed> => {parent_tid=[6155]}, 88) = 6155 [pid 6151] rt_sigprocmask(SIG_SETMASK, [], [pid 5064] getdents64(3, ./strace-static-x86_64: Process 6155 attached [pid 6154] write(3, "1000", 4 [pid 6155] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6154] <... write resumed>) = 4 [pid 6155] <... rseq resumed>) = 0 [pid 6154] close(3) = 0 [pid 6155] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6151] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6155] rt_sigprocmask(SIG_SETMASK, [], [pid 6154] symlink("/dev/binderfs", "./binderfs" [pid 6155] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6154] <... symlink resumed>) = 0 [pid 6151] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] umount2("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6155] memfd_create("syzkaller", 0 [pid 6154] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] <... futex resumed>) = 0 [pid 6154] <... futex resumed>) = 0 [pid 6155] <... memfd_create resumed>) = 3 [pid 6154] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6151] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6155] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6154] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6155] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6154] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6155] 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"..., 524288 [pid 6154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 6154] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6153] munmap(0x7fdb7f81d000, 138412032 [pid 6154] <... mprotect resumed>) = 0 [pid 6153] <... munmap resumed>) = 0 [pid 6152] 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"..., 524288 [pid 6154] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6154] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 6156 attached [pid 6153] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6156] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053) = 0 [pid 6154] <... clone3 resumed> => {parent_tid=[6156]}, 88) = 6156 [pid 6153] <... openat resumed>) = 4 [pid 6154] rt_sigprocmask(SIG_SETMASK, [], [pid 6153] ioctl(4, LOOP_SET_FD, 3 [pid 6156] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 6154] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6156] rt_sigprocmask(SIG_SETMASK, [], [pid 6155] <... write resumed>) = 524288 [pid 6154] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... write resumed>) = 524288 [pid 6148] <... sync resumed>) = 0 [pid 6145] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6156] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6156] memfd_create("syzkaller", 0 [pid 5064] <... umount2 resumed>) = 0 [pid 6156] <... memfd_create resumed>) = 3 [pid 6154] <... futex resumed>) = 0 [pid 6148] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6154] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6148] <... futex resumed>) = 0 [pid 6156] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6152] munmap(0x7fdb7f81d000, 138412032 [pid 6148] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6145] exit_group(0 [pid 5064] umount2("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6148] <... futex resumed>) = ? [pid 6145] <... exit_group resumed>) = ? [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6152] <... munmap resumed>) = 0 [pid 6148] +++ exited with 0 +++ [pid 6145] +++ exited with 0 +++ [pid 5064] newfstatat(AT_FDCWD, "./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] umount2("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6145, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6156] 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"..., 524288 [pid 5064] openat(AT_FDCWD, "./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... openat resumed>) = 4 [pid 5066] <... openat resumed>) = 3 [pid 5064] newfstatat(4, "", [pid 5066] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6155] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 5066] getdents64(3, [pid 6155] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6153] <... ioctl resumed>) = 0 [pid 6152] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] getdents64(4, [pid 6153] close(3 [pid 6155] <... openat resumed>) = 4 [pid 6153] <... close resumed>) = 0 [pid 5066] umount2("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6155] ioctl(4, LOOP_SET_FD, 3 [pid 6153] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6152] <... openat resumed>) = 4 [pid 6156] <... write resumed>) = 524288 [pid 6153] <... mkdir resumed>) = 0 [pid 6152] ioctl(4, LOOP_SET_FD, 3 [ 172.288394][ T6153] loop1: detected capacity change from 0 to 1024 [ 172.321192][ T6155] loop5: detected capacity change from 0 to 1024 [pid 5064] getdents64(4, [pid 6153] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6155] <... ioctl resumed>) = 0 [pid 6152] <... ioctl resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6155] close(3) = 0 [pid 6155] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5064] close(4 [pid 6156] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 6155] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5064] <... close resumed>) = 0 [pid 6156] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6152] close(3 [pid 5066] <... umount2 resumed>) = 0 [pid 6156] <... openat resumed>) = 4 [pid 6152] <... close resumed>) = 0 [pid 5064] rmdir("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6156] ioctl(4, LOOP_SET_FD, 3 [ 172.337892][ T6152] loop3: detected capacity change from 0 to 1024 [pid 6152] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5066] umount2("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6152] <... mkdir resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 6152] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(AT_FDCWD, "./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] newfstatat(AT_FDCWD, "./87/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6153] <... mount resumed>) = 0 [pid 5064] unlink("./87/binderfs" [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6153] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6153] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6153] ioctl(4, LOOP_CLR_FD) = 0 [pid 6153] close(4) = 0 [pid 6153] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... unlink resumed>) = 0 [pid 6153] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [pid 6155] <... mount resumed>) = 0 [pid 6149] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] umount2("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6155] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6153] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6149] <... futex resumed>) = 0 [pid 6155] <... openat resumed>) = 3 [pid 6153] <... mknod resumed>) = 0 [pid 6149] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6155] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6153] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] <... mount resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6156] <... ioctl resumed>) = 0 [pid 6155] <... chdir resumed>) = 0 [pid 6152] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6156] close(3 [pid 6155] ioctl(4, LOOP_CLR_FD [pid 6153] <... futex resumed>) = 1 [pid 6149] <... futex resumed>) = 0 [pid 5066] <... openat resumed>) = 4 [pid 6156] <... close resumed>) = 0 [pid 6155] <... ioctl resumed>) = 0 [pid 6153] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] <... openat resumed>) = 3 [pid 6149] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] newfstatat(4, "", [pid 5064] getdents64(3, [pid 6156] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6155] close(4 [pid 6149] <... futex resumed>) = 0 [pid 6155] <... close resumed>) = 0 [pid 6149] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6155] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6155] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6156] <... mkdir resumed>) = 0 [pid 6151] <... futex resumed>) = 0 [pid 6151] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6155] <... futex resumed>) = 0 [pid 6153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6152] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6151] <... futex resumed>) = 1 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6152] <... chdir resumed>) = 0 [pid 6151] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6155] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6152] ioctl(4, LOOP_CLR_FD [pid 5066] getdents64(4, [pid 5064] close(3 [pid 6155] <... mknod resumed>) = 0 [pid 6153] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6152] <... ioctl resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... close resumed>) = 0 [ 172.381343][ T6156] loop4: detected capacity change from 0 to 1024 [pid 5066] getdents64(4, [pid 6152] close(4 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] rmdir("./87" [pid 6152] <... close resumed>) = 0 [pid 5066] close(4 [pid 6152] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... rmdir resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 6155] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6152] <... futex resumed>) = 1 [pid 6151] <... futex resumed>) = 0 [pid 6150] <... futex resumed>) = 0 [pid 5066] rmdir("./85/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] mkdir("./88", 0777 [pid 6155] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6152] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6151] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... mount resumed>) = 0 [pid 6155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6153] <... open resumed>) = 4 [pid 6152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6151] <... futex resumed>) = 0 [pid 6150] <... futex resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 6152] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6151] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6155] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6153] <... futex resumed>) = 1 [pid 6152] <... mknod resumed>) = 0 [pid 6149] <... futex resumed>) = 0 [pid 6153] sync( [pid 6149] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6149] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6152] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6150] <... futex resumed>) = 0 [pid 6156] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6152] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6150] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6156] <... openat resumed>) = 3 [pid 6150] <... futex resumed>) = 0 [pid 6156] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6152] <... open resumed>) = 4 [pid 6150] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... openat resumed>) = 3 [pid 6156] <... chdir resumed>) = 0 [pid 6152] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] newfstatat(AT_FDCWD, "./85/binderfs", [pid 5064] ioctl(3, LOOP_CLR_FD [pid 6156] ioctl(4, LOOP_CLR_FD [pid 6152] <... futex resumed>) = 0 [pid 6150] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6150] <... futex resumed>) = 0 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6156] <... ioctl resumed>) = 0 [pid 6152] sync( [pid 6150] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] unlink("./85/binderfs" [pid 5064] close(3 [pid 6156] close(4 [pid 5066] <... unlink resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 6156] <... close resumed>) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6156] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6154] <... futex resumed>) = 0 [pid 6156] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] getdents64(3, [pid 6154] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... futex resumed>) = 0 [pid 6154] <... futex resumed>) = 1 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6154] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6156] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5066] close(3 [pid 6156] <... mknod resumed>) = 0 [pid 6155] <... open resumed>) = 4 [pid 5066] <... close resumed>) = 0 [pid 5066] rmdir("./85"./strace-static-x86_64: Process 6157 attached [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6157 [pid 6156] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... rmdir resumed>) = 0 [pid 6157] set_robust_list(0x5555556c56a0, 24 [pid 6156] <... futex resumed>) = 1 [pid 6154] <... futex resumed>) = 0 [pid 6151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6154] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] mkdir("./86", 0777 [pid 6157] <... set_robust_list resumed>) = 0 [pid 6156] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6155] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = 0 [pid 6151] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] chdir("./88" [pid 6155] <... futex resumed>) = 0 [pid 6154] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6151] <... futex resumed>) = 0 [pid 6155] sync( [pid 6151] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... mkdir resumed>) = 0 [pid 6157] <... chdir resumed>) = 0 [pid 6157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6150] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6157] <... prctl resumed>) = 0 [pid 6156] <... open resumed>) = 4 [pid 5066] <... openat resumed>) = 3 [pid 6157] setpgid(0, 0 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 6157] <... setpgid resumed>) = 0 [pid 6157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6156] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6156] <... futex resumed>) = 1 [pid 5066] close(3 [pid 6156] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6154] <... futex resumed>) = 0 [pid 6157] write(3, "1000", 4 [pid 6156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6154] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... close resumed>) = 0 [pid 6157] <... write resumed>) = 4 [pid 6156] sync( [pid 6154] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6158 attached [pid 6157] close(3 [pid 6156] <... sync resumed>) = 0 [pid 6155] <... sync resumed>) = 0 [pid 6154] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] <... sync resumed>) = 0 [pid 6152] <... sync resumed>) = 0 [pid 6151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6158] set_robust_list(0x5555556c56a0, 24 [pid 6157] <... close resumed>) = 0 [pid 6156] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6152] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6151] exit_group(0 [pid 6150] exit_group(0 [pid 6158] <... set_robust_list resumed>) = 0 [pid 6157] symlink("/dev/binderfs", "./binderfs" [pid 6156] <... futex resumed>) = 1 [pid 6155] <... futex resumed>) = ? [pid 6154] <... futex resumed>) = 0 [pid 6153] <... futex resumed>) = 0 [pid 6152] <... futex resumed>) = ? [pid 6151] <... exit_group resumed>) = ? [pid 6150] <... exit_group resumed>) = ? [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6158 [pid 6158] chdir("./86" [pid 6157] <... symlink resumed>) = 0 [pid 6156] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6149] exit_group(0) = ? [pid 6154] exit_group(0 [pid 6158] <... chdir resumed>) = 0 [pid 6157] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... futex resumed>) = ? [pid 6155] +++ exited with 0 +++ [pid 6154] <... exit_group resumed>) = ? [pid 6152] +++ exited with 0 +++ [pid 6151] +++ exited with 0 +++ [pid 6150] +++ exited with 0 +++ [pid 6158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6151, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6150, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6158] setpgid(0, 0 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5067] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6158] <... setpgid resumed>) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6157] <... futex resumed>) = 0 [pid 6153] +++ exited with 0 +++ [pid 6149] +++ exited with 0 +++ [pid 5067] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6158] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 3 [pid 6158] write(3, "1000", 4 [pid 5069] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] newfstatat(3, "", [pid 6158] <... write resumed>) = 4 [pid 6157] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6156] +++ exited with 0 +++ [pid 6154] +++ exited with 0 +++ [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6149, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6158] close(3 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6154, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6157] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6158] <... close resumed>) = 0 [pid 6157] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] getdents64(3, [pid 5065] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6158] symlink("/dev/binderfs", "./binderfs" [pid 6157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6158] <... symlink resumed>) = 0 [pid 6157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5069] newfstatat(3, "", [pid 5067] umount2("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6158] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 6157] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6158] <... futex resumed>) = 0 [pid 6157] <... mprotect resumed>) = 0 [pid 5069] getdents64(3, [pid 5065] newfstatat(3, "", [pid 6158] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6157] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6158] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5069] umount2("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6158] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6157] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] umount2("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] getdents64(3, [pid 6158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6157] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5068] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 ./strace-static-x86_64: Process 6159 attached [pid 6158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] newfstatat(AT_FDCWD, "./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] umount2("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6158] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5068] newfstatat(3, "", [pid 6158] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6159] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6158] <... mprotect resumed>) = 0 [pid 6157] <... clone3 resumed> => {parent_tid=[6159]}, 88) = 6159 [pid 5067] umount2("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6159] <... rseq resumed>) = 0 [pid 6158] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6157] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] getdents64(3, [pid 6159] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6158] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6158] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 6160 attached [pid 6159] <... set_robust_list resumed>) = 0 [pid 6157] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] openat(AT_FDCWD, "./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6160] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6159] rt_sigprocmask(SIG_SETMASK, [], [pid 6158] <... clone3 resumed> => {parent_tid=[6160]}, 88) = 6160 [pid 6157] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6160] <... rseq resumed>) = 0 [pid 6159] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6158] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... openat resumed>) = 4 [pid 6160] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6157] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 6159] memfd_create("syzkaller", 0 [pid 6160] <... set_robust_list resumed>) = 0 [pid 6157] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5068] umount2("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6160] rt_sigprocmask(SIG_SETMASK, [], [pid 6159] <... memfd_create resumed>) = 3 [pid 6160] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6160] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] newfstatat(4, "", [pid 5068] newfstatat(AT_FDCWD, "./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6159] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6158] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6158] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6158] <... futex resumed>) = 1 [pid 6158] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] umount2("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] umount2("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6160] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6160] memfd_create("syzkaller", 0 [pid 5069] <... openat resumed>) = 4 [pid 5068] openat(AT_FDCWD, "./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6159] 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"..., 524288 [pid 5069] newfstatat(4, "", [pid 6160] <... memfd_create resumed>) = 3 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5067] getdents64(4, [pid 5069] getdents64(4, [pid 6160] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] newfstatat(4, "", [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] <... umount2 resumed>) = 0 [pid 5069] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 6160] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] <... close resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, [pid 5065] umount2("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] rmdir("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] getdents64(4, [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... rmdir resumed>) = 0 [pid 5069] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(AT_FDCWD, "./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] newfstatat(AT_FDCWD, "./86/binderfs", [pid 5065] umount2("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] unlink("./86/binderfs" [pid 5065] openat(AT_FDCWD, "./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... unlink resumed>) = 0 [pid 5065] <... openat resumed>) = 4 [pid 5069] getdents64(3, [pid 5065] newfstatat(4, "", [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] close(3 [pid 5065] getdents64(4, [pid 5069] <... close resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6160] 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"..., 524288 [pid 6159] <... write resumed>) = 524288 [pid 5069] rmdir("./86" [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] close(4 [pid 5065] getdents64(4, [pid 5067] <... close resumed>) = 0 [pid 5068] getdents64(4, [pid 5067] rmdir("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6159] munmap(0x7fdb7f81d000, 138412032 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] close(4) = 0 [pid 6159] <... munmap resumed>) = 0 [pid 5069] mkdir("./87", 0777 [pid 5068] close(4 [pid 5067] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] rmdir("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] <... mkdir resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... rmdir resumed>) = 0 [pid 5068] rmdir("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5065] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 3 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... rmdir resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./87/binderfs", [pid 5068] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5065] newfstatat(AT_FDCWD, "./87/binderfs", [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] unlink("./87/binderfs" [pid 5069] close(3 [pid 5065] <... unlink resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5065] getdents64(3, [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6160] <... write resumed>) = 524288 [pid 6159] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] close(3 [pid 6160] munmap(0x7fdb7f81d000, 138412032 [pid 6159] <... openat resumed>) = 4 [pid 5068] newfstatat(AT_FDCWD, "./88/binderfs", [pid 5067] unlink("./87/binderfs" [pid 5065] <... close resumed>) = 0 [pid 6159] ioctl(4, LOOP_SET_FD, 3 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] unlink("./88/binderfs" [pid 5067] <... unlink resumed>) = 0 [pid 5065] rmdir("./87") = 0 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6161 ./strace-static-x86_64: Process 6161 attached [pid 6159] <... ioctl resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5067] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6161] set_robust_list(0x5555556c56a0, 24 [pid 5068] getdents64(3, [pid 5067] close(3 [pid 5065] mkdir("./88", 0777 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] <... close resumed>) = 0 [pid 5065] <... mkdir resumed>) = 0 [pid 6161] <... set_robust_list resumed>) = 0 [pid 5067] rmdir("./87" [pid 6161] chdir("./87" [pid 5068] close(3 [pid 5067] <... rmdir resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6160] <... munmap resumed>) = 0 [pid 5067] mkdir("./88", 0777 [pid 5068] <... close resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5068] rmdir("./88" [pid 5067] <... mkdir resumed>) = 0 [pid 6161] <... chdir resumed>) = 0 [pid 6159] close(3 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5065] ioctl(3, LOOP_CLR_FD [pid 6160] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6159] <... close resumed>) = 0 [pid 5068] mkdir("./89", 0777 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] close(3 [pid 5068] <... mkdir resumed>) = 0 [pid 6159] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6160] <... openat resumed>) = 4 [pid 5065] <... close resumed>) = 0 [ 172.818808][ T6159] loop0: detected capacity change from 0 to 1024 [pid 6160] ioctl(4, LOOP_SET_FD, 3 [pid 6159] <... mkdir resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... openat resumed>) = 3 [pid 6161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6161] setpgid(0, 0) = 0 [pid 6161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6159] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5068] <... openat resumed>) = 3 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6162 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] close(3) = 0 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] close(3 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... close resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6162 attached [pid 6161] write(3, "1000", 4 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6163 [pid 6162] set_robust_list(0x5555556c56a0, 24 [pid 6161] <... write resumed>) = 4 [pid 6162] <... set_robust_list resumed>) = 0 [pid 6161] close(3./strace-static-x86_64: Process 6164 attached [pid 6162] chdir("./88" [pid 6161] <... close resumed>) = 0 ./strace-static-x86_64: Process 6163 attached [pid 6164] set_robust_list(0x5555556c56a0, 24 [pid 6160] <... ioctl resumed>) = 0 [pid 6159] <... mount resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6164 [pid 6163] set_robust_list(0x5555556c56a0, 24 [pid 6160] close(3 [pid 6159] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6163] <... set_robust_list resumed>) = 0 [pid 6160] <... close resumed>) = 0 [pid 6164] <... set_robust_list resumed>) = 0 [pid 6163] chdir("./88" [pid 6161] symlink("/dev/binderfs", "./binderfs" [pid 6160] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6159] <... openat resumed>) = 3 [pid 6162] <... chdir resumed>) = 0 [pid 6161] <... symlink resumed>) = 0 [pid 6164] chdir("./89" [pid 6162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6161] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... chdir resumed>) = 0 [pid 6162] <... prctl resumed>) = 0 [pid 6161] <... futex resumed>) = 0 [pid 6160] <... mkdir resumed>) = 0 [pid 6159] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6160] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6159] <... chdir resumed>) = 0 [pid 6159] ioctl(4, LOOP_CLR_FD [pid 6164] <... chdir resumed>) = 0 [pid 6162] setpgid(0, 0 [pid 6161] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6159] <... ioctl resumed>) = 0 [pid 6164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6162] <... setpgid resumed>) = 0 [pid 6161] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6159] close(4 [pid 6163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6164] <... prctl resumed>) = 0 [pid 6163] <... prctl resumed>) = 0 [pid 6162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6161] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6159] <... close resumed>) = 0 [pid 6164] setpgid(0, 0 [pid 6163] setpgid(0, 0 [pid 6162] <... openat resumed>) = 3 [pid 6161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6159] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] <... setpgid resumed>) = 0 [ 172.860706][ T6160] loop2: detected capacity change from 0 to 1024 [pid 6163] <... setpgid resumed>) = 0 [pid 6162] write(3, "1000", 4 [pid 6161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6159] <... futex resumed>) = 1 [pid 6157] <... futex resumed>) = 0 [pid 6164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6162] <... write resumed>) = 4 [pid 6161] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6160] <... mount resumed>) = 0 [pid 6159] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6157] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] <... openat resumed>) = 3 [pid 6162] close(3 [pid 6161] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6160] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6157] <... futex resumed>) = 0 [pid 6164] write(3, "1000", 4 [pid 6163] <... openat resumed>) = 3 [pid 6162] <... close resumed>) = 0 [pid 6161] <... mprotect resumed>) = 0 [pid 6160] <... openat resumed>) = 3 [pid 6159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6157] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] <... write resumed>) = 4 [pid 6162] symlink("/dev/binderfs", "./binderfs" [pid 6161] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6160] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6159] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6164] close(3 [pid 6163] write(3, "1000", 4 [pid 6160] <... chdir resumed>) = 0 [pid 6164] <... close resumed>) = 0 [pid 6162] <... symlink resumed>) = 0 [pid 6161] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6160] ioctl(4, LOOP_CLR_FD [pid 6159] <... mknod resumed>) = 0 [pid 6164] symlink("/dev/binderfs", "./binderfs" [pid 6163] <... write resumed>) = 4 [pid 6161] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6160] <... ioctl resumed>) = 0 [pid 6159] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6165 attached [pid 6164] <... symlink resumed>) = 0 [pid 6163] close(3 [pid 6162] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] close(4 [pid 6159] <... futex resumed>) = 1 [pid 6157] <... futex resumed>) = 0 [pid 6165] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6164] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] <... close resumed>) = 0 [pid 6162] <... futex resumed>) = 0 [pid 6161] <... clone3 resumed> => {parent_tid=[6165]}, 88) = 6165 [pid 6160] <... close resumed>) = 0 [pid 6159] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6157] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... rseq resumed>) = 0 [pid 6164] <... futex resumed>) = 0 [pid 6163] symlink("/dev/binderfs", "./binderfs" [pid 6162] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6161] rt_sigprocmask(SIG_SETMASK, [], [pid 6160] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] <... futex resumed>) = 0 [pid 6164] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6162] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6161] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6160] <... futex resumed>) = 1 [pid 6158] <... futex resumed>) = 0 [pid 6157] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6164] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6163] <... symlink resumed>) = 0 [pid 6162] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6161] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... set_robust_list resumed>) = 0 [pid 6164] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6163] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6161] <... futex resumed>) = 0 [pid 6160] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6158] <... futex resumed>) = 0 [pid 6165] rt_sigprocmask(SIG_SETMASK, [], [pid 6164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6163] <... futex resumed>) = 0 [pid 6162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6161] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6160] <... mknod resumed>) = 0 [pid 6158] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6162] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6165] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6164] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6163] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6162] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6160] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] memfd_create("syzkaller", 0 [pid 6164] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6163] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6162] <... mprotect resumed>) = 0 [pid 6158] <... futex resumed>) = 0 [pid 6160] <... futex resumed>) = 1 [pid 6164] <... mprotect resumed>) = 0 [pid 6163] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6162] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6160] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6158] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... memfd_create resumed>) = 3 [pid 6164] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6162] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6159] <... open resumed>) = 4 [pid 6158] <... futex resumed>) = 0 [pid 6165] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6164] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6162] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6159] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6166 attached [pid 6165] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6164] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6163] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6159] <... futex resumed>) = 1 [pid 6157] <... futex resumed>) = 0 [pid 6166] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6163] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6162] <... clone3 resumed> => {parent_tid=[6166]}, 88) = 6166 [pid 6157] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... rseq resumed>) = 0 [pid 6164] <... clone3 resumed> => {parent_tid=[6167]}, 88) = 6167 [pid 6162] rt_sigprocmask(SIG_SETMASK, [], [pid 6159] sync( [pid 6157] <... futex resumed>) = 0 [pid 6166] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6164] rt_sigprocmask(SIG_SETMASK, [], [pid 6163] <... mprotect resumed>) = 0 [pid 6162] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6157] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6167 attached [pid 6166] <... set_robust_list resumed>) = 0 [pid 6164] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6162] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] rt_sigprocmask(SIG_SETMASK, [], [pid 6164] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6162] <... futex resumed>) = 0 [pid 6166] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6164] <... futex resumed>) = 0 [pid 6162] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6167] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6166] memfd_create("syzkaller", 0 [pid 6164] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6167] <... rseq resumed>) = 0 [pid 6166] <... memfd_create resumed>) = 3 [pid 6167] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 6166] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6163] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6167] rt_sigprocmask(SIG_SETMASK, [], [pid 6166] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6163] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6167] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6163] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6167] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6168 attached [pid 6168] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6167] <... memfd_create resumed>) = 3 [pid 6168] <... rseq resumed>) = 0 [pid 6163] <... clone3 resumed> => {parent_tid=[6168]}, 88) = 6168 [pid 6168] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6163] rt_sigprocmask(SIG_SETMASK, [], [pid 6168] <... set_robust_list resumed>) = 0 [pid 6168] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6167] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6163] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6160] <... open resumed>) = 4 [pid 6168] memfd_create("syzkaller", 0 [pid 6163] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... memfd_create resumed>) = 3 [pid 6166] 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"..., 524288 [pid 6163] <... futex resumed>) = 0 [pid 6160] <... futex resumed>) = 1 [pid 6158] <... futex resumed>) = 0 [pid 6168] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6165] 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"..., 524288 [pid 6163] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6160] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6158] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6168] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6160] sync( [pid 6168] 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"..., 524288 [pid 6167] 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"..., 524288 [pid 6157] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6166] <... write resumed>) = 524288 [pid 6165] <... write resumed>) = 524288 [pid 6167] <... write resumed>) = 524288 [pid 6158] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6168] <... write resumed>) = 524288 [pid 6165] munmap(0x7fdb7f81d000, 138412032 [pid 6166] munmap(0x7fdb7f81d000, 138412032 [pid 6159] <... sync resumed>) = 0 [pid 6166] <... munmap resumed>) = 0 [pid 6165] <... munmap resumed>) = 0 [pid 6160] <... sync resumed>) = 0 [pid 6166] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6159] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] ioctl(4, LOOP_SET_FD, 3 [pid 6159] <... futex resumed>) = 0 [pid 6165] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6160] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6157] exit_group(0) = ? [pid 6159] <... futex resumed>) = ? [pid 6165] <... openat resumed>) = 4 [pid 6158] exit_group(0 [pid 6160] <... futex resumed>) = ? [pid 6158] <... exit_group resumed>) = ? [pid 6160] +++ exited with 0 +++ [pid 6158] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6158, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6167] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 6167] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6159] +++ exited with 0 +++ [pid 6157] +++ exited with 0 +++ [pid 5066] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6157, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5064] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6168] munmap(0x7fdb7f81d000, 138412032 [pid 6167] <... openat resumed>) = 4 [pid 6165] ioctl(4, LOOP_SET_FD, 3 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... openat resumed>) = 3 [pid 5064] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] umount2("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6166] <... ioctl resumed>) = 0 [pid 6166] close(3 [pid 6167] ioctl(4, LOOP_SET_FD, 3 [pid 6166] <... close resumed>) = 0 [pid 6168] <... munmap resumed>) = 0 [pid 6166] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5066] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5066] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6168] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6166] <... mkdir resumed>) = 0 [pid 5066] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] umount2("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6166] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6168] <... openat resumed>) = 4 [ 173.096029][ T6166] loop1: detected capacity change from 0 to 1024 [ 173.127208][ T6165] loop5: detected capacity change from 0 to 1024 [ 173.131016][ T6167] loop4: detected capacity change from 0 to 1024 [pid 6168] ioctl(4, LOOP_SET_FD, 3 [pid 6165] <... ioctl resumed>) = 0 [pid 5064] <... umount2 resumed>) = 0 [pid 6166] <... mount resumed>) = 0 [pid 6165] close(3 [pid 5066] <... umount2 resumed>) = 0 [pid 5064] umount2("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6166] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6166] <... openat resumed>) = 3 [pid 6165] <... close resumed>) = 0 [pid 6166] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] newfstatat(AT_FDCWD, "./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6166] <... chdir resumed>) = 0 [pid 6165] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5066] umount2("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6167] <... ioctl resumed>) = 0 [pid 6166] ioctl(4, LOOP_CLR_FD [pid 6167] close(3 [pid 6166] <... ioctl resumed>) = 0 [pid 6165] <... mkdir resumed>) = 0 [pid 5064] umount2("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6167] <... close resumed>) = 0 [pid 6166] close(4 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6168] <... ioctl resumed>) = 0 [pid 6167] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6166] <... close resumed>) = 0 [pid 6165] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5066] newfstatat(AT_FDCWD, "./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6168] close(3 [pid 6166] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] openat(AT_FDCWD, "./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6168] <... close resumed>) = 0 [pid 5066] umount2("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6168] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 173.171636][ T6168] loop3: detected capacity change from 0 to 1024 [pid 6168] <... mkdir resumed>) = 0 [pid 6167] <... mkdir resumed>) = 0 [pid 6166] <... futex resumed>) = 1 [pid 5066] openat(AT_FDCWD, "./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... openat resumed>) = 4 [pid 6166] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] <... openat resumed>) = 4 [pid 5064] newfstatat(4, "", [pid 5066] newfstatat(4, "", [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6165] <... mount resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6167] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6162] <... futex resumed>) = 0 [pid 5066] getdents64(4, [pid 5064] getdents64(4, [pid 6165] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6162] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... futex resumed>) = 0 [pid 6162] <... futex resumed>) = 1 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6168] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6166] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6162] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] getdents64(4, [pid 5064] getdents64(4, [pid 6165] <... openat resumed>) = 3 [pid 6166] <... mknod resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] close(4 [pid 6166] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] <... close resumed>) = 0 [pid 5064] close(4 [pid 6166] <... futex resumed>) = 1 [pid 6162] <... futex resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 6166] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6162] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] rmdir("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6165] <... chdir resumed>) = 0 [pid 6162] <... futex resumed>) = 0 [pid 5066] rmdir("./86/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... rmdir resumed>) = 0 [pid 6162] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6165] ioctl(4, LOOP_CLR_FD [pid 5066] <... rmdir resumed>) = 0 [pid 6167] <... mount resumed>) = 0 [pid 5064] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6165] <... ioctl resumed>) = 0 [pid 6167] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6165] close(4 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6167] <... openat resumed>) = 3 [pid 6168] <... mount resumed>) = 0 [pid 6167] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6165] <... close resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./86/binderfs", [pid 5064] newfstatat(AT_FDCWD, "./88/binderfs", [pid 6168] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6165] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6168] <... openat resumed>) = 3 [pid 6167] <... chdir resumed>) = 0 [pid 6166] <... open resumed>) = 4 [pid 6165] <... futex resumed>) = 1 [pid 6161] <... futex resumed>) = 0 [pid 5066] unlink("./86/binderfs" [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6161] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] <... unlink resumed>) = 0 [pid 6165] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6166] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6166] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] ioctl(4, LOOP_CLR_FD) = 0 [pid 6167] close(4 [pid 6165] <... mknod resumed>) = 0 [pid 6162] <... futex resumed>) = 0 [pid 6161] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] getdents64(3, [pid 6167] <... close resumed>) = 0 [pid 6162] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] unlink("./88/binderfs" [pid 6167] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] <... futex resumed>) = 0 [pid 6162] <... futex resumed>) = 1 [pid 6167] <... futex resumed>) = 1 [pid 6166] sync( [pid 6162] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] close(3 [pid 5064] <... unlink resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 6164] <... futex resumed>) = 0 [pid 6164] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... futex resumed>) = 0 [pid 6164] <... futex resumed>) = 1 [pid 6167] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6164] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] <... mknod resumed>) = 0 [pid 5066] rmdir("./86" [pid 5064] getdents64(3, [pid 6167] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6164] <... futex resumed>) = 0 [pid 6164] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... rmdir resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] close(3 [pid 6164] <... futex resumed>) = 0 [pid 5066] mkdir("./87", 0777 [pid 6168] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6167] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6165] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... close resumed>) = 0 [pid 6168] <... chdir resumed>) = 0 [pid 6165] <... futex resumed>) = 1 [pid 6161] <... futex resumed>) = 0 [pid 5066] <... mkdir resumed>) = 0 [pid 6168] ioctl(4, LOOP_CLR_FD [pid 6165] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6161] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5064] rmdir("./88" [pid 6168] <... ioctl resumed>) = 0 [pid 6161] <... futex resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5064] <... rmdir resumed>) = 0 [pid 6168] close(4 [pid 6161] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5064] mkdir("./89", 0777) = 0 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6168] <... close resumed>) = 0 [pid 5066] close(3 [pid 6168] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... close resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6168] <... futex resumed>) = 1 [pid 6163] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6162] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6167] <... open resumed>) = 4 [pid 6163] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... openat resumed>) = 3 [pid 6168] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6165] <... open resumed>) = 4 [pid 6163] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6169 ./strace-static-x86_64: Process 6169 attached [pid 6168] <... mknod resumed>) = 0 [pid 6167] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6163] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] ioctl(3, LOOP_CLR_FD [pid 6167] <... futex resumed>) = 0 [pid 6164] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] sync( [pid 6164] <... futex resumed>) = 0 [pid 6164] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6169] set_robust_list(0x5555556c56a0, 24 [pid 6165] <... futex resumed>) = 1 [pid 6161] <... futex resumed>) = 0 [pid 5064] close(3 [pid 6161] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] sync( [pid 5064] <... close resumed>) = 0 [pid 6161] <... futex resumed>) = 0 [pid 6169] <... set_robust_list resumed>) = 0 [pid 6161] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6169] chdir("./87") = 0 [pid 6169] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6170 attached ) = 0 [pid 6168] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6170 [pid 6170] set_robust_list(0x5555556c56a0, 24 [pid 6169] setpgid(0, 0 [pid 6168] <... futex resumed>) = 1 [pid 6166] <... sync resumed>) = 0 [pid 6163] <... futex resumed>) = 0 [pid 6169] <... setpgid resumed>) = 0 [pid 6168] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6166] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6166] <... futex resumed>) = 0 [pid 6170] <... set_robust_list resumed>) = 0 [pid 6169] <... openat resumed>) = 3 [pid 6166] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6163] <... futex resumed>) = 0 [pid 6162] exit_group(0 [pid 6166] <... futex resumed>) = ? [pid 6163] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6162] <... exit_group resumed>) = ? [pid 6170] chdir("./89" [pid 6166] +++ exited with 0 +++ [pid 6162] +++ exited with 0 +++ [pid 6169] write(3, "1000", 4 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6162, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6169] <... write resumed>) = 4 [pid 6169] close(3) = 0 [pid 6169] symlink("/dev/binderfs", "./binderfs" [pid 6170] <... chdir resumed>) = 0 [pid 6169] <... symlink resumed>) = 0 [pid 5065] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6169] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6169] <... futex resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6170] <... prctl resumed>) = 0 [pid 6169] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6168] <... open resumed>) = 4 [pid 6167] <... sync resumed>) = 0 [pid 6165] <... sync resumed>) = 0 [pid 6164] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] <... openat resumed>) = 3 [pid 6170] setpgid(0, 0) = 0 [pid 5065] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6168] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6165] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] getdents64(3, [pid 6170] <... openat resumed>) = 3 [pid 6169] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6168] <... futex resumed>) = 1 [pid 6167] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... futex resumed>) = 1 [pid 6164] exit_group(0 [pid 6163] <... futex resumed>) = 0 [pid 6161] <... futex resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6170] write(3, "1000", 4 [pid 6169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6167] <... futex resumed>) = ? [pid 6165] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] <... exit_group resumed>) = ? [pid 6163] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] exit_group(0 [pid 5065] umount2("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6170] <... write resumed>) = 4 [pid 6169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6168] sync( [pid 6167] +++ exited with 0 +++ [pid 6164] +++ exited with 0 +++ [pid 6163] <... futex resumed>) = 0 [pid 6170] close(3 [pid 6163] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6170] <... close resumed>) = 0 [pid 6170] symlink("/dev/binderfs", "./binderfs" [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6164, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6170] <... symlink resumed>) = 0 [pid 6169] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6165] <... futex resumed>) = ? [pid 6161] <... exit_group resumed>) = ? [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 6169] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6165] +++ exited with 0 +++ [pid 6161] +++ exited with 0 +++ [pid 6169] <... mprotect resumed>) = 0 [pid 6169] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6161, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6170] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5068] <... restart_syscall resumed>) = 0 [pid 6170] <... futex resumed>) = 0 [pid 5069] <... restart_syscall resumed>) = 0 [pid 6169] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6170] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6169] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5065] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 6171 attached [pid 6170] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6168] <... sync resumed>) = 0 [pid 6171] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6170] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6168] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] <... rseq resumed>) = 0 [pid 6170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6168] <... futex resumed>) = 1 [pid 6163] <... futex resumed>) = 0 [pid 5069] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6171] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6168] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6163] exit_group(0 [pid 6171] <... set_robust_list resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6171] rt_sigprocmask(SIG_SETMASK, [], [pid 6168] <... futex resumed>) = ? [pid 6163] <... exit_group resumed>) = ? [pid 5068] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6171] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6170] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6168] +++ exited with 0 +++ [pid 6171] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6169] <... clone3 resumed> => {parent_tid=[6171]}, 88) = 6171 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... openat resumed>) = 3 [pid 6170] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6169] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6170] <... mprotect resumed>) = 0 [pid 6169] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6170] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] <... openat resumed>) = 3 [pid 5068] newfstatat(3, "", [pid 6169] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(3, "", [pid 6169] <... futex resumed>) = 1 [pid 6171] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6169] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] getdents64(3, [pid 5065] umount2("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6171] memfd_create("syzkaller", 0) = 3 [pid 6170] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] getdents64(3, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6170] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] umount2("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(AT_FDCWD, "./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6163] +++ exited with 0 +++ [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6172 attached [pid 6171] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6170] <... clone3 resumed> => {parent_tid=[6172]}, 88) = 6172 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5065] umount2("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6170] rt_sigprocmask(SIG_SETMASK, [], [pid 6172] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6171] 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"..., 524288 [pid 6170] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6172] <... rseq resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6172] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6170] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... openat resumed>) = 4 [pid 6172] <... set_robust_list resumed>) = 0 [pid 6170] <... futex resumed>) = 0 [pid 5067] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6172] rt_sigprocmask(SIG_SETMASK, [], [pid 6170] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6172] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] newfstatat(4, "", [pid 5067] <... openat resumed>) = 3 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(4, [pid 6172] memfd_create("syzkaller", 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] newfstatat(3, "", [pid 5065] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] close(4) = 0 [pid 5065] rmdir("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5065] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6172] <... memfd_create resumed>) = 3 [pid 5067] getdents64(3, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./88/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] unlink("./88/binderfs" [pid 5068] <... umount2 resumed>) = 0 [pid 6172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... unlink resumed>) = 0 [pid 5067] umount2("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] getdents64(3, [pid 6172] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] close(3) = 0 [pid 5065] rmdir("./88") = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] mkdir("./89", 0777) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5068] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... openat resumed>) = 3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5068] openat(AT_FDCWD, "./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... ioctl resumed>) = 0 [pid 6172] 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"..., 524288 [pid 5069] umount2("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 4 [pid 5065] close(3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5069] umount2("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(4, "", [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] openat(AT_FDCWD, "./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... openat resumed>) = 4 [pid 5068] getdents64(4, [pid 6171] <... write resumed>) = 524288 [pid 5069] newfstatat(4, "", [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, [pid 5067] umount2("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(4, [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] close(4 [pid 5067] newfstatat(AT_FDCWD, "./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6172] <... write resumed>) = 524288 [pid 5069] getdents64(4, [pid 5068] <... close resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6173 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] rmdir("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] close(4 [pid 5068] <... rmdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] rmdir("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6171] munmap(0x7fdb7f81d000, 138412032 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./89/binderfs", [pid 5067] openat(AT_FDCWD, "./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6173 attached [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... openat resumed>) = 4 [pid 6173] set_robust_list(0x5555556c56a0, 24 [pid 6171] <... munmap resumed>) = 0 [pid 5069] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] unlink("./89/binderfs" [pid 5067] newfstatat(4, "", [pid 6173] <... set_robust_list resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... unlink resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6173] chdir("./89" [pid 5069] newfstatat(AT_FDCWD, "./87/binderfs", [pid 5068] getdents64(3, [pid 5067] getdents64(4, [pid 6173] <... chdir resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6173] <... prctl resumed>) = 0 [pid 5069] unlink("./87/binderfs" [pid 6173] setpgid(0, 0 [pid 5069] <... unlink resumed>) = 0 [pid 5068] close(3 [pid 5067] getdents64(4, [pid 6173] <... setpgid resumed>) = 0 [pid 5069] getdents64(3, [pid 5068] <... close resumed>) = 0 [pid 6173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5068] rmdir("./89" [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6173] <... openat resumed>) = 3 [pid 5069] close(3 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] close(4 [pid 6173] write(3, "1000", 4 [pid 6171] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] <... close resumed>) = 0 [pid 5068] mkdir("./90", 0777 [pid 5067] <... close resumed>) = 0 [pid 6173] <... write resumed>) = 4 [pid 6172] munmap(0x7fdb7f81d000, 138412032 [pid 6171] <... openat resumed>) = 4 [pid 5069] rmdir("./87" [pid 5068] <... mkdir resumed>) = 0 [pid 5067] rmdir("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6171] ioctl(4, LOOP_SET_FD, 3 [pid 6173] close(3 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 6173] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6173] symlink("/dev/binderfs", "./binderfs" [pid 5069] mkdir("./88", 0777 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6172] <... munmap resumed>) = 0 [pid 6173] <... symlink resumed>) = 0 [pid 6172] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5069] <... mkdir resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] newfstatat(AT_FDCWD, "./88/binderfs", [pid 5068] <... ioctl resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] close(3 [pid 5067] unlink("./88/binderfs" [pid 6173] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... openat resumed>) = 4 [pid 6171] <... ioctl resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5068] <... close resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6171] close(3 [pid 6173] <... futex resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5067] getdents64(3, [pid 6173] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6173] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5069] close(3 [pid 5067] close(3 [pid 6173] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] <... close resumed>) = 0 [pid 6173] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6171] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... close resumed>) = 0 [pid 6173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6172] ioctl(4, LOOP_SET_FD, 3 [pid 6171] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6174 [pid 5067] rmdir("./88"./strace-static-x86_64: Process 6174 attached [pid 6173] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6172] <... ioctl resumed>) = 0 [pid 6171] <... mkdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 6174] set_robust_list(0x5555556c56a0, 24 [pid 6173] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6174] <... set_robust_list resumed>) = 0 [pid 6173] <... mprotect resumed>) = 0 [pid 6174] chdir("./90" [pid 6173] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] mkdir("./89", 0777 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6175 [pid 6174] <... chdir resumed>) = 0 [pid 6171] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6175 attached [pid 6173] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6175] set_robust_list(0x5555556c56a0, 24 [pid 6173] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6175] <... set_robust_list resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6175] chdir("./88" [pid 6174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6173] <... clone3 resumed> => {parent_tid=[6176]}, 88) = 6176 [pid 6173] rt_sigprocmask(SIG_SETMASK, [], [pid 6174] <... prctl resumed>) = 0 [pid 6173] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 173.639185][ T6171] loop2: detected capacity change from 0 to 1024 [ 173.676305][ T6172] loop0: detected capacity change from 0 to 1024 [pid 6175] <... chdir resumed>) = 0 [pid 6174] setpgid(0, 0 [pid 6173] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6176 attached [pid 6174] <... setpgid resumed>) = 0 [pid 6173] <... futex resumed>) = 0 [pid 6172] close(3 [pid 6176] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6173] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6172] <... close resumed>) = 0 [pid 6176] <... rseq resumed>) = 0 [pid 6174] <... openat resumed>) = 3 [pid 6172] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6176] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6174] write(3, "1000", 4 [pid 6176] <... set_robust_list resumed>) = 0 [pid 6175] <... prctl resumed>) = 0 [pid 6176] rt_sigprocmask(SIG_SETMASK, [], [pid 6175] setpgid(0, 0 [pid 6174] <... write resumed>) = 4 [pid 6176] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6175] <... setpgid resumed>) = 0 [pid 6174] close(3 [pid 6176] memfd_create("syzkaller", 0 [pid 6175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6174] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 6175] <... openat resumed>) = 3 [pid 6174] symlink("/dev/binderfs", "./binderfs" [pid 6175] write(3, "1000", 4 [pid 6174] <... symlink resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 6176] <... memfd_create resumed>) = 3 [pid 6175] <... write resumed>) = 4 [pid 6174] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6176] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6175] close(3 [pid 6174] <... futex resumed>) = 0 [pid 5067] close(3 [pid 6176] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6175] <... close resumed>) = 0 [pid 6174] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5067] <... close resumed>) = 0 [pid 6176] 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"..., 524288 [pid 6175] symlink("/dev/binderfs", "./binderfs" [pid 6172] <... mkdir resumed>) = 0 [pid 6171] <... mount resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6174] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6171] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6175] <... symlink resumed>) = 0 [pid 6174] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6172] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6171] <... openat resumed>) = 3 [pid 6174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6177 [pid 6174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 ./strace-static-x86_64: Process 6177 attached [pid 6175] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6177] set_robust_list(0x5555556c56a0, 24 [pid 6175] <... futex resumed>) = 0 [pid 6174] <... mprotect resumed>) = 0 [pid 6177] <... set_robust_list resumed>) = 0 [pid 6175] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6177] chdir("./89" [pid 6175] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6174] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6177] <... chdir resumed>) = 0 [pid 6175] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6174] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6171] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6177] <... prctl resumed>) = 0 [pid 6175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6174] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 6178 attached [pid 6177] setpgid(0, 0 [pid 6175] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6171] <... chdir resumed>) = 0 [pid 6178] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6177] <... setpgid resumed>) = 0 [pid 6175] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6171] ioctl(4, LOOP_CLR_FD [pid 6178] <... rseq resumed>) = 0 [pid 6177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6175] <... mprotect resumed>) = 0 [pid 6174] <... clone3 resumed> => {parent_tid=[6178]}, 88) = 6178 [pid 6171] <... ioctl resumed>) = 0 [pid 6178] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6177] <... openat resumed>) = 3 [pid 6175] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6171] close(4 [pid 6178] <... set_robust_list resumed>) = 0 [pid 6177] write(3, "1000", 4 [pid 6175] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6174] rt_sigprocmask(SIG_SETMASK, [], [pid 6171] <... close resumed>) = 0 [pid 6171] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] rt_sigprocmask(SIG_SETMASK, [], [pid 6177] <... write resumed>) = 4 [pid 6175] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6171] <... futex resumed>) = 1 [pid 6169] <... futex resumed>) = 0 [pid 6178] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6177] close(3 [pid 6174] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6169] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6177] <... close resumed>) = 0 [pid 6174] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6169] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6179 attached [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] symlink("/dev/binderfs", "./binderfs" [pid 6175] <... clone3 resumed> => {parent_tid=[6179]}, 88) = 6179 [pid 6174] <... futex resumed>) = 0 [pid 6172] <... mount resumed>) = 0 [pid 6169] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6179] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6177] <... symlink resumed>) = 0 [pid 6175] rt_sigprocmask(SIG_SETMASK, [], [pid 6174] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6172] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6171] <... mknod resumed>) = 0 [pid 6179] <... rseq resumed>) = 0 [pid 6178] memfd_create("syzkaller", 0 [pid 6177] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6172] <... openat resumed>) = 3 [pid 6171] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] <... futex resumed>) = 0 [pid 6175] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6175] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6177] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6179] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6178] <... memfd_create resumed>) = 3 [pid 6177] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6179] <... set_robust_list resumed>) = 0 [pid 6178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6177] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6178] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 6177] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6177] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6172] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6171] <... futex resumed>) = 1 [pid 6169] <... futex resumed>) = 0 [pid 6179] rt_sigprocmask(SIG_SETMASK, [], [pid 6177] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6176] <... write resumed>) = 524288 [pid 6179] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6177] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6176] munmap(0x7fdb7f81d000, 138412032 [pid 6172] <... chdir resumed>) = 0 [pid 6171] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6169] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] memfd_create("syzkaller", 0 [pid 6176] <... munmap resumed>) = 0 [pid 6172] ioctl(4, LOOP_CLR_FD [pid 6171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6180 attached [pid 6179] <... memfd_create resumed>) = 3 [pid 6177] <... clone3 resumed> => {parent_tid=[6180]}, 88) = 6180 [pid 6171] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6169] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6172] <... ioctl resumed>) = 0 [pid 6180] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6179] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6177] rt_sigprocmask(SIG_SETMASK, [], [pid 6176] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6180] <... rseq resumed>) = 0 [pid 6179] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6178] 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"..., 524288 [pid 6177] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6172] close(4 [pid 6180] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6179] 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"..., 524288 [pid 6176] <... openat resumed>) = 4 [pid 6172] <... close resumed>) = 0 [pid 6180] <... set_robust_list resumed>) = 0 [pid 6180] rt_sigprocmask(SIG_SETMASK, [], [pid 6177] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] ioctl(4, LOOP_SET_FD, 3 [pid 6172] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] <... open resumed>) = 4 [pid 6180] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6177] <... futex resumed>) = 0 [pid 6180] memfd_create("syzkaller", 0 [pid 6177] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6172] <... futex resumed>) = 1 [pid 6170] <... futex resumed>) = 0 [pid 6172] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6171] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] <... write resumed>) = 524288 [pid 6172] <... mknod resumed>) = 0 [pid 6171] <... futex resumed>) = 1 [pid 6170] <... futex resumed>) = 0 [pid 6169] <... futex resumed>) = 0 [ 173.838690][ T6176] loop1: detected capacity change from 0 to 1024 [pid 6169] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... memfd_create resumed>) = 3 [pid 6172] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] sync( [pid 6170] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6169] <... futex resumed>) = 0 [pid 6180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 6169] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6180] 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"..., 524288 [pid 6172] <... futex resumed>) = 0 [pid 6170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6178] <... write resumed>) = 524288 [pid 6176] <... ioctl resumed>) = 0 [pid 6172] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6170] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6178] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 6170] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6179] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 6178] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6178] ioctl(4, LOOP_SET_FD, 3 [pid 6176] close(3) = 0 [pid 6179] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6176] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6172] <... open resumed>) = 4 [pid 6179] <... openat resumed>) = 4 [pid 6172] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] ioctl(4, LOOP_SET_FD, 3 [pid 6176] <... mkdir resumed>) = 0 [pid 6172] <... futex resumed>) = 1 [pid 6170] <... futex resumed>) = 0 [pid 6176] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6172] sync( [pid 6170] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6170] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6169] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6180] <... write resumed>) = 524288 [pid 6178] <... ioctl resumed>) = 0 [pid 6178] close(3) = 0 [pid 6178] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6180] munmap(0x7fdb7f81d000, 138412032 [pid 6179] <... ioctl resumed>) = 0 [ 173.888298][ T6178] loop4: detected capacity change from 0 to 1024 [ 173.901489][ T6179] loop5: detected capacity change from 0 to 1024 [pid 6178] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6179] close(3 [pid 6176] <... mount resumed>) = 0 [pid 6179] <... close resumed>) = 0 [pid 6179] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6180] <... munmap resumed>) = 0 [pid 6179] <... mkdir resumed>) = 0 [pid 6176] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6180] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6176] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6180] ioctl(4, LOOP_SET_FD, 3 [pid 6179] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6176] <... chdir resumed>) = 0 [pid 6178] <... mount resumed>) = 0 [pid 6176] ioctl(4, LOOP_CLR_FD [pid 6170] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6176] <... ioctl resumed>) = 0 [pid 6178] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6176] close(4 [pid 6172] <... sync resumed>) = 0 [pid 6171] <... sync resumed>) = 0 [pid 6178] <... openat resumed>) = 3 [pid 6178] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6176] <... close resumed>) = 0 [pid 6178] <... chdir resumed>) = 0 [pid 6176] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] ioctl(4, LOOP_CLR_FD [pid 6176] <... futex resumed>) = 1 [pid 6173] <... futex resumed>) = 0 [pid 6172] <... futex resumed>) = 0 [pid 6171] <... futex resumed>) = 0 [pid 6170] exit_group(0 [pid 6169] exit_group(0 [pid 6178] <... ioctl resumed>) = 0 [pid 6176] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6173] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] <... exit_group resumed>) = ? [pid 6178] close(4 [pid 6173] <... futex resumed>) = 0 [pid 6169] <... exit_group resumed>) = ? [pid 6180] <... ioctl resumed>) = 0 [pid 6178] <... close resumed>) = 0 [pid 6173] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6180] close(3 [pid 6178] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... close resumed>) = 0 [pid 6178] <... futex resumed>) = 1 [pid 6174] <... futex resumed>) = 0 [pid 6180] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6178] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6174] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... mknod resumed>) = 0 [pid 6174] <... futex resumed>) = 0 [pid 6180] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6178] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6174] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6174] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6178] <... futex resumed>) = 1 [pid 6174] <... futex resumed>) = 0 [pid 6172] +++ exited with 0 +++ [pid 6171] <... futex resumed>) = ? [pid 6170] +++ exited with 0 +++ [ 173.965777][ T6180] loop3: detected capacity change from 0 to 1024 [pid 6174] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=48000000} [pid 6178] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6170, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5064] restart_syscall(<... resuming interrupted clone ...> [pid 6179] <... mount resumed>) = 0 [pid 6176] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6171] +++ exited with 0 +++ [pid 6169] +++ exited with 0 +++ [pid 6179] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6176] <... mknod resumed>) = 0 [pid 5064] <... restart_syscall resumed>) = 0 [pid 6179] <... openat resumed>) = 3 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6169, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6179] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6176] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6179] <... chdir resumed>) = 0 [pid 6176] <... futex resumed>) = 1 [pid 6173] <... futex resumed>) = 0 [pid 6180] <... mount resumed>) = 0 [pid 6179] ioctl(4, LOOP_CLR_FD [pid 6178] <... open resumed>) = 4 [pid 6173] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6176] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5064] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6178] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] <... futex resumed>) = 0 [pid 6178] <... futex resumed>) = 1 [pid 6174] <... futex resumed>) = 0 [pid 6173] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6180] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6179] <... ioctl resumed>) = 0 [pid 6178] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6174] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... openat resumed>) = 3 [pid 6179] close(4 [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6174] <... futex resumed>) = 0 [pid 5064] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6180] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6179] <... close resumed>) = 0 [pid 6178] sync( [pid 6174] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... openat resumed>) = 3 [pid 6180] <... chdir resumed>) = 0 [pid 6176] <... open resumed>) = 4 [pid 5066] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6176] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] newfstatat(3, "", [pid 6180] ioctl(4, LOOP_CLR_FD [pid 5066] <... openat resumed>) = 3 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6176] <... futex resumed>) = 1 [pid 6173] <... futex resumed>) = 0 [pid 6176] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5064] getdents64(3, [pid 6173] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... ioctl resumed>) = 0 [pid 6176] <... futex resumed>) = 0 [pid 6173] <... futex resumed>) = 1 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6176] sync( [pid 6173] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] newfstatat(3, "", [pid 6180] close(4) = 0 [pid 5064] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6180] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6180] <... futex resumed>) = 1 [pid 6179] <... futex resumed>) = 1 [pid 6177] <... futex resumed>) = 0 [pid 6175] <... futex resumed>) = 0 [pid 6180] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6179] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6177] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6177] <... futex resumed>) = 0 [pid 6175] <... futex resumed>) = 0 [pid 6180] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5066] getdents64(3, [pid 6180] <... mknod resumed>) = 0 [pid 6177] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6180] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6180] <... futex resumed>) = 1 [pid 6177] <... futex resumed>) = 0 [pid 6180] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6177] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6177] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6179] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6175] <... futex resumed>) = 0 [pid 6179] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6175] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] umount2("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... umount2 resumed>) = 0 [pid 6175] <... futex resumed>) = 0 [pid 6175] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6174] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5064] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6180] <... open resumed>) = 4 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6173] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6180] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6177] <... futex resumed>) = 0 [pid 5064] newfstatat(AT_FDCWD, "./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6177] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6177] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6180] sync( [pid 6179] <... open resumed>) = 4 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6179] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... sync resumed>) = 0 [pid 6178] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... sync resumed>) = 0 [pid 5064] openat(AT_FDCWD, "./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6178] <... futex resumed>) = 0 [pid 6178] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6180] <... sync resumed>) = 0 [pid 6179] <... futex resumed>) = 1 [pid 6176] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... futex resumed>) = 0 [pid 6174] exit_group(0 [pid 6173] exit_group(0 [pid 5064] <... openat resumed>) = 4 [pid 6180] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] <... futex resumed>) = ? [pid 6176] <... futex resumed>) = ? [pid 6175] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] <... exit_group resumed>) = ? [pid 6173] <... exit_group resumed>) = ? [pid 5064] newfstatat(4, "", [pid 6180] <... futex resumed>) = 1 [pid 6179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6178] +++ exited with 0 +++ [pid 6177] <... futex resumed>) = 0 [pid 6176] +++ exited with 0 +++ [pid 6175] <... futex resumed>) = 0 [pid 6174] +++ exited with 0 +++ [pid 6173] +++ exited with 0 +++ [pid 6180] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6179] sync( [pid 6177] exit_group(0 [pid 6175] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6174, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6180] <... futex resumed>) = ? [pid 6179] <... sync resumed>) = 0 [pid 6177] <... exit_group resumed>) = ? [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6173, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6180] +++ exited with 0 +++ [pid 6179] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6177] +++ exited with 0 +++ [pid 6179] <... futex resumed>) = 1 [pid 6175] <... futex resumed>) = 0 [pid 5066] <... umount2 resumed>) = 0 [pid 5064] getdents64(4, [pid 6179] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] exit_group(0 [pid 5068] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6177, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6179] <... futex resumed>) = ? [pid 6175] <... exit_group resumed>) = ? [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6179] +++ exited with 0 +++ [pid 6175] +++ exited with 0 +++ [pid 5067] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] umount2("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6175, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] getdents64(4, [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5067] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... restart_syscall resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... openat resumed>) = 3 [pid 5068] <... openat resumed>) = 3 [pid 5067] newfstatat(3, "", [pid 5068] newfstatat(3, "", [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(3, [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] newfstatat(AT_FDCWD, "./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] close(4 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5066] umount2("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... close resumed>) = 0 [pid 5065] newfstatat(3, "", [pid 5069] <... openat resumed>) = 3 [pid 5068] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] rmdir("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, [pid 5068] <... umount2 resumed>) = 0 [pid 5067] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] openat(AT_FDCWD, "./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] getdents64(3, [pid 5064] <... rmdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... openat resumed>) = 4 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] newfstatat(AT_FDCWD, "./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5068] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] newfstatat(4, "", [pid 5065] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] newfstatat(AT_FDCWD, "./89/binderfs", [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] openat(AT_FDCWD, "./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 4 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] unlink("./89/binderfs" [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(4, "", [pid 5068] openat(AT_FDCWD, "./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... unlink resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 5067] getdents64(4, [pid 5064] getdents64(3, [pid 5068] newfstatat(4, "", [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, [pid 5066] getdents64(4, [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5068] getdents64(4, [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] umount2("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] close(4 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] close(3 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] <... close resumed>) = 0 [pid 5067] rmdir("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] getdents64(4, [pid 5067] <... rmdir resumed>) = 0 [pid 5066] getdents64(4, [pid 5064] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] newfstatat(AT_FDCWD, "./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5068] close(4 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] rmdir("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... rmdir resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./89/binderfs", [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] openat(AT_FDCWD, "./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] unlink("./89/binderfs" [pid 5069] <... openat resumed>) = 4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... unlink resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] rmdir("./89" [pid 5068] newfstatat(AT_FDCWD, "./90/binderfs", [pid 5067] getdents64(3, [pid 5069] newfstatat(4, "", [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] unlink("./90/binderfs" [pid 5067] close(3 [pid 5069] getdents64(4, [pid 5068] <... unlink resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(3, [pid 5067] rmdir("./89" [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5068] close(3) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5066] close(4 [pid 5064] mkdir("./90", 0777 [pid 5066] <... close resumed>) = 0 [pid 5068] rmdir("./90" [pid 5067] <... rmdir resumed>) = 0 [pid 5066] rmdir("./87/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... mkdir resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] mkdir("./90", 0777 [pid 5069] getdents64(4, [pid 5068] mkdir("./91", 0777 [pid 5067] <... mkdir resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5066] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... openat resumed>) = 3 [pid 5069] close(4) = 0 [pid 5069] rmdir("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] newfstatat(AT_FDCWD, "./87/binderfs", [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] close(3) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... ioctl resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5064] close(3 [pid 5066] unlink("./87/binderfs" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... close resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./88/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] <... unlink resumed>) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6182 attached [pid 5069] unlink("./88/binderfs" [pid 5068] close(3 [pid 5066] getdents64(3, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... close resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] newfstatat(AT_FDCWD, "./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6182 [pid 6182] set_robust_list(0x5555556c56a0, 24 [pid 5066] close(3 [pid 6182] <... set_robust_list resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... close resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6182] chdir("./90" [pid 5066] rmdir("./87" [pid 5065] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5069] rmdir("./88") = 0 ./strace-static-x86_64: Process 6181 attached [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6181 [pid 6181] set_robust_list(0x5555556c56a0, 24) = 0 [pid 6181] chdir("./90" [pid 5069] mkdir("./89", 0777 [pid 6182] <... chdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6181] <... chdir resumed>) = 0 [pid 6181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6181] <... prctl resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5065] openat(AT_FDCWD, "./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] mkdir("./88", 0777 [pid 6181] setpgid(0, 0 [pid 6182] <... prctl resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5065] <... openat resumed>) = 4 [pid 6181] <... setpgid resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6183 [pid 6181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6182] setpgid(0, 0 [pid 5069] close(3 [pid 5066] <... mkdir resumed>) = 0 [pid 5065] newfstatat(4, "", [pid 6182] <... setpgid resumed>) = 0 [pid 6181] <... openat resumed>) = 3 [pid 6182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... close resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6181] write(3, "1000", 4 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6181] <... write resumed>) = 4 [pid 6182] <... openat resumed>) = 3 [pid 5065] getdents64(4, ./strace-static-x86_64: Process 6183 attached [pid 6181] close(3 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6182] write(3, "1000", 4 [pid 5065] getdents64(4, [pid 6183] set_robust_list(0x5555556c56a0, 24 [pid 6181] <... close resumed>) = 0 [pid 6182] <... write resumed>) = 4 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6183] <... set_robust_list resumed>) = 0 [pid 6181] symlink("/dev/binderfs", "./binderfs" [pid 6183] chdir("./91" [pid 6181] <... symlink resumed>) = 0 [pid 6182] close(3 [pid 5066] <... openat resumed>) = 3 [pid 6183] <... chdir resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6181] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] <... prctl resumed>) = 0 [pid 6181] <... futex resumed>) = 0 [pid 6183] setpgid(0, 0 [pid 6181] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6183] <... setpgid resumed>) = 0 [pid 6181] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6181] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6183] <... openat resumed>) = 3 [pid 6181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6183] write(3, "1000", 4 [pid 6181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6183] <... write resumed>) = 4 [pid 6182] <... close resumed>) = 0 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5065] close(4 [pid 6183] close(3 [pid 6181] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6183] <... close resumed>) = 0 [pid 6181] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6183] symlink("/dev/binderfs", "./binderfs" [pid 6181] <... mprotect resumed>) = 0 [pid 6183] <... symlink resumed>) = 0 [pid 6181] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6182] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6184 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] <... close resumed>) = 0 ./strace-static-x86_64: Process 6184 attached [pid 6183] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6182] <... symlink resumed>) = 0 [pid 5066] close(3 [pid 5065] rmdir("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6184] set_robust_list(0x5555556c56a0, 24) = 0 [pid 6184] chdir("./89" [pid 6181] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6184] <... chdir resumed>) = 0 [pid 6184] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6185 attached ) = 0 [pid 6185] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6184] setpgid(0, 0 [pid 6185] <... rseq resumed>) = 0 [pid 6184] <... setpgid resumed>) = 0 [pid 6184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6185] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6184] <... openat resumed>) = 3 [pid 6183] <... futex resumed>) = 0 [pid 6181] <... clone3 resumed> => {parent_tid=[6185]}, 88) = 6185 [pid 6183] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 6181] rt_sigprocmask(SIG_SETMASK, [], [pid 6182] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... close resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 6183] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6181] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6184] write(3, "1000", 4 [pid 6183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6181] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... futex resumed>) = 0 [pid 5065] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6185] <... set_robust_list resumed>) = 0 [pid 6184] <... write resumed>) = 4 [pid 6183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6181] <... futex resumed>) = 0 [pid 6185] rt_sigprocmask(SIG_SETMASK, [], [pid 6184] close(3 [pid 6183] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6181] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6182] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6185] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6184] <... close resumed>) = 0 [pid 6183] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6182] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6185] memfd_create("syzkaller", 0 [pid 6184] symlink("/dev/binderfs", "./binderfs" [pid 6183] <... mprotect resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./89/binderfs", [pid 6184] <... symlink resumed>) = 0 [pid 6183] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6182] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6186 attached [pid 6185] <... memfd_create resumed>) = 3 [pid 6184] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6186] set_robust_list(0x5555556c56a0, 24 [pid 6185] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6184] <... futex resumed>) = 0 [pid 6183] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6186 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6186] <... set_robust_list resumed>) = 0 [pid 6185] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6186] chdir("./88" [pid 6185] 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"..., 524288 [pid 6184] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] unlink("./89/binderfs"./strace-static-x86_64: Process 6187 attached [pid 6184] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6184] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5065] <... unlink resumed>) = 0 [pid 6187] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6182] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5065] getdents64(3, [pid 6187] <... rseq resumed>) = 0 [pid 6186] <... chdir resumed>) = 0 [pid 6184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6183] <... clone3 resumed> => {parent_tid=[6187]}, 88) = 6187 [pid 6187] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6184] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6183] rt_sigprocmask(SIG_SETMASK, [], [pid 6182] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] close(3 [pid 6187] <... set_robust_list resumed>) = 0 [pid 6186] <... prctl resumed>) = 0 [pid 6184] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6183] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... close resumed>) = 0 [pid 6187] rt_sigprocmask(SIG_SETMASK, [], [pid 6186] setpgid(0, 0 [pid 6184] <... mprotect resumed>) = 0 [pid 6183] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... mprotect resumed>) = 0 [pid 6187] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6186] <... setpgid resumed>) = 0 [pid 6184] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] rmdir("./89" [pid 6187] memfd_create("syzkaller", 0 [pid 6183] <... futex resumed>) = 0 [pid 6187] <... memfd_create resumed>) = 3 [pid 6186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6184] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6187] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6186] <... openat resumed>) = 3 [pid 6184] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6183] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6182] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] <... rmdir resumed>) = 0 [pid 6187] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6186] write(3, "1000", 4 [pid 6182] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] mkdir("./90", 0777./strace-static-x86_64: Process 6188 attached [pid 6187] 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"..., 524288 [pid 6182] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6188] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6186] <... write resumed>) = 4 [pid 6184] <... clone3 resumed> => {parent_tid=[6188]}, 88) = 6188 [pid 6188] <... rseq resumed>) = 0 [pid 6186] close(3 [pid 6184] rt_sigprocmask(SIG_SETMASK, [], [pid 6188] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6186] <... close resumed>) = 0 [pid 6188] <... set_robust_list resumed>) = 0 [pid 6184] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6188] rt_sigprocmask(SIG_SETMASK, [], [pid 6186] symlink("/dev/binderfs", "./binderfs" [pid 6184] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6189 attached [pid 6188] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6187] <... write resumed>) = 524288 [pid 6186] <... symlink resumed>) = 0 [pid 6182] <... clone3 resumed> => {parent_tid=[6189]}, 88) = 6189 [pid 6189] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6182] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6188] memfd_create("syzkaller", 0 [pid 6186] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... futex resumed>) = 0 [pid 6188] <... memfd_create resumed>) = 3 [pid 6186] <... futex resumed>) = 0 [pid 6184] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6188] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6186] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6188] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6186] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6189] <... rseq resumed>) = 0 [pid 6188] 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"..., 524288 [pid 6186] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6185] <... write resumed>) = 524288 [pid 6182] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... openat resumed>) = 3 [pid 6189] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 6189] rt_sigprocmask(SIG_SETMASK, [], [pid 6186] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6185] munmap(0x7fdb7f81d000, 138412032 [pid 6182] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 6189] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6185] <... munmap resumed>) = 0 [pid 6182] <... futex resumed>) = 0 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6189] memfd_create("syzkaller", 0 [pid 6186] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6182] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5065] close(3 [pid 6189] <... memfd_create resumed>) = 3 [pid 6187] munmap(0x7fdb7f81d000, 138412032 [pid 6186] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6185] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5065] <... close resumed>) = 0 [pid 6189] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6187] <... munmap resumed>) = 0 [pid 6186] <... mprotect resumed>) = 0 [pid 6185] <... openat resumed>) = 4 [pid 6185] ioctl(4, LOOP_SET_FD, 3 [pid 6189] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6186] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6186] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6186] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} => {parent_tid=[6190]}, 88) = 6190 [pid 6186] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6186] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6191 attached ./strace-static-x86_64: Process 6190 attached [pid 6189] 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"..., 524288 [pid 6188] <... write resumed>) = 524288 [pid 6187] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6186] <... futex resumed>) = 0 [pid 6190] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6191 [pid 6190] <... rseq resumed>) = 0 [pid 6190] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6187] <... openat resumed>) = 4 [pid 6186] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6187] ioctl(4, LOOP_SET_FD, 3 [pid 6190] <... set_robust_list resumed>) = 0 [pid 6190] rt_sigprocmask(SIG_SETMASK, [], [pid 6191] set_robust_list(0x5555556c56a0, 24 [pid 6190] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6185] <... ioctl resumed>) = 0 [pid 6190] memfd_create("syzkaller", 0 [pid 6185] close(3 [pid 6191] <... set_robust_list resumed>) = 0 [pid 6190] <... memfd_create resumed>) = 3 [pid 6185] <... close resumed>) = 0 [pid 6191] chdir("./90" [pid 6190] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6185] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6190] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6185] <... mkdir resumed>) = 0 [pid 6188] munmap(0x7fdb7f81d000, 138412032 [pid 6185] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6188] <... munmap resumed>) = 0 [pid 6191] <... chdir resumed>) = 0 [pid 6191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6188] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6191] <... prctl resumed>) = 0 [pid 6188] <... openat resumed>) = 4 [pid 6191] setpgid(0, 0 [pid 6188] ioctl(4, LOOP_SET_FD, 3 [pid 6190] 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"..., 524288 [pid 6187] <... ioctl resumed>) = 0 [pid 6191] <... setpgid resumed>) = 0 [ 174.505268][ T6185] loop3: detected capacity change from 0 to 1024 [ 174.532176][ T6187] loop4: detected capacity change from 0 to 1024 [pid 6191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6187] close(3) = 0 [pid 6191] <... openat resumed>) = 3 [pid 6187] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6187] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6191] write(3, "1000", 4) = 4 [pid 6191] close(3 [pid 6189] <... write resumed>) = 524288 [pid 6187] <... mount resumed>) = 0 [pid 6185] <... mount resumed>) = 0 [pid 6185] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6191] <... close resumed>) = 0 [pid 6185] <... openat resumed>) = 3 [pid 6185] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6191] symlink("/dev/binderfs", "./binderfs" [pid 6190] <... write resumed>) = 524288 [pid 6189] munmap(0x7fdb7f81d000, 138412032 [pid 6187] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6185] <... chdir resumed>) = 0 [pid 6187] <... openat resumed>) = 3 [pid 6185] ioctl(4, LOOP_CLR_FD [pid 6187] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6185] <... ioctl resumed>) = 0 [pid 6191] <... symlink resumed>) = 0 [pid 6188] <... ioctl resumed>) = 0 [pid 6187] <... chdir resumed>) = 0 [pid 6185] close(4 [pid 6188] close(3 [pid 6187] ioctl(4, LOOP_CLR_FD [pid 6185] <... close resumed>) = 0 [pid 6189] <... munmap resumed>) = 0 [pid 6188] <... close resumed>) = 0 [pid 6187] <... ioctl resumed>) = 0 [pid 6185] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6187] close(4 [pid 6185] <... futex resumed>) = 1 [pid 6181] <... futex resumed>) = 0 [pid 6191] <... futex resumed>) = 0 [pid 6188] <... mkdir resumed>) = 0 [pid 6187] <... close resumed>) = 0 [pid 6190] munmap(0x7fdb7f81d000, 138412032 [pid 6191] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 6188] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6187] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... munmap resumed>) = 0 [pid 6189] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6187] <... futex resumed>) = 1 [pid 6183] <... futex resumed>) = 0 [pid 6181] <... futex resumed>) = 0 [pid 6183] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6191] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6189] <... openat resumed>) = 4 [pid 6187] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6185] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6183] <... futex resumed>) = 0 [pid 6191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6187] <... mknod resumed>) = 0 [pid 6185] <... mknod resumed>) = 0 [ 174.557599][ T6188] loop5: detected capacity change from 0 to 1024 [pid 6183] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6190] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6189] ioctl(4, LOOP_SET_FD, 3 [pid 6191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6190] <... openat resumed>) = 4 [pid 6188] <... mount resumed>) = 0 [pid 6185] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6187] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... futex resumed>) = 1 [pid 6181] <... futex resumed>) = 0 [pid 6188] <... openat resumed>) = 3 [pid 6181] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6187] <... futex resumed>) = 1 [pid 6185] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6183] <... futex resumed>) = 0 [pid 6181] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6191] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6190] ioctl(4, LOOP_SET_FD, 3 [pid 6183] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6188] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6187] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6188] <... chdir resumed>) = 0 [pid 6188] ioctl(4, LOOP_CLR_FD [pid 6191] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6188] <... ioctl resumed>) = 0 [pid 6191] <... mprotect resumed>) = 0 [pid 6188] close(4 [pid 6187] <... open resumed>) = 4 [pid 6191] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6188] <... close resumed>) = 0 [pid 6185] <... open resumed>) = 4 [pid 6188] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... futex resumed>) = 1 [pid 6187] <... futex resumed>) = 1 [pid 6184] <... futex resumed>) = 0 [pid 6183] <... futex resumed>) = 0 [pid 6185] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... futex resumed>) = 1 [pid 6184] <... futex resumed>) = 0 [pid 6183] <... futex resumed>) = 0 [pid 6181] <... futex resumed>) = 0 [pid 6188] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6187] sync( [pid 6184] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6181] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6189] <... ioctl resumed>) = 0 [pid 6188] <... mknod resumed>) = 0 [pid 6185] sync( [pid 6181] <... futex resumed>) = 0 [pid 6181] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6191] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6190] <... ioctl resumed>) = 0 [pid 6189] close(3./strace-static-x86_64: Process 6192 attached [pid 6190] close(3 [pid 6189] <... close resumed>) = 0 [pid 6188] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6190] <... close resumed>) = 0 [pid 6189] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6188] <... futex resumed>) = 1 [pid 6184] <... futex resumed>) = 0 [pid 6192] <... rseq resumed>) = 0 [pid 6189] <... mkdir resumed>) = 0 [pid 6188] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6184] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6191] <... clone3 resumed> => {parent_tid=[6192]}, 88) = 6192 [pid 6190] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6189] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6184] <... futex resumed>) = 0 [pid 6192] <... set_robust_list resumed>) = 0 [pid 6191] rt_sigprocmask(SIG_SETMASK, [], [pid 6190] <... mkdir resumed>) = 0 [pid 6184] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6192] rt_sigprocmask(SIG_SETMASK, [], [pid 6191] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6192] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6191] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [ 174.618185][ T6189] loop0: detected capacity change from 0 to 1024 [ 174.627350][ T6190] loop2: detected capacity change from 0 to 1024 [pid 6192] memfd_create("syzkaller", 0 [pid 6191] <... futex resumed>) = 0 [pid 6190] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6192] <... memfd_create resumed>) = 3 [pid 6191] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6188] <... open resumed>) = 4 [pid 6192] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 6188] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] 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"..., 524288 [pid 6189] <... mount resumed>) = 0 [pid 6188] <... futex resumed>) = 1 [pid 6184] <... futex resumed>) = 0 [pid 6189] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6184] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6184] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6189] <... openat resumed>) = 3 [pid 6188] sync( [pid 6183] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6189] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6181] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6190] <... mount resumed>) = 0 [pid 6189] <... chdir resumed>) = 0 [pid 6190] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6190] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6189] ioctl(4, LOOP_CLR_FD [pid 6192] <... write resumed>) = 524288 [pid 6187] <... sync resumed>) = 0 [pid 6185] <... sync resumed>) = 0 [pid 6189] <... ioctl resumed>) = 0 [pid 6190] <... chdir resumed>) = 0 [pid 6185] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] ioctl(4, LOOP_CLR_FD [pid 6189] close(4 [pid 6188] <... sync resumed>) = 0 [pid 6187] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... futex resumed>) = 0 [pid 6192] munmap(0x7fdb7f81d000, 138412032 [pid 6190] <... ioctl resumed>) = 0 [pid 6189] <... close resumed>) = 0 [pid 6188] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... futex resumed>) = 0 [pid 6185] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6183] exit_group(0 [pid 6181] exit_group(0 [pid 6192] <... munmap resumed>) = 0 [pid 6190] close(4 [pid 6189] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6188] <... futex resumed>) = 1 [pid 6185] <... futex resumed>) = ? [pid 6184] <... futex resumed>) = 0 [pid 6183] <... exit_group resumed>) = ? [pid 6181] <... exit_group resumed>) = ? [pid 6190] <... close resumed>) = 0 [pid 6189] <... futex resumed>) = 1 [pid 6188] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6187] +++ exited with 0 +++ [pid 6185] +++ exited with 0 +++ [pid 6184] exit_group(0 [pid 6183] +++ exited with 0 +++ [pid 6181] +++ exited with 0 +++ [pid 6192] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6182] <... futex resumed>) = 0 [pid 6192] <... openat resumed>) = 4 [pid 6190] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6188] <... futex resumed>) = ? [pid 6184] <... exit_group resumed>) = ? [pid 6182] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6183, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6181, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6190] <... futex resumed>) = 1 [pid 6189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6182] <... futex resumed>) = 0 [pid 6190] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6189] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6182] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6188] +++ exited with 0 +++ [pid 6186] <... futex resumed>) = 0 [pid 6184] +++ exited with 0 +++ [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 6186] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... restart_syscall resumed>) = 0 [pid 6190] <... futex resumed>) = 0 [pid 6186] <... futex resumed>) = 1 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6184, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5068] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6189] <... mknod resumed>) = 0 [pid 6190] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6186] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6189] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... mknod resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6192] ioctl(4, LOOP_SET_FD, 3 [pid 6190] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6192] <... ioctl resumed>) = 0 [pid 6190] <... futex resumed>) = 1 [pid 6189] <... futex resumed>) = 1 [pid 6186] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = 0 [pid 5068] newfstatat(3, "", [pid 5067] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6182] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6186] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(3, [pid 6186] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6186] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6189] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6182] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6182] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... umount2 resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 6190] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5069] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] getdents64(3, [pid 5068] <... umount2 resumed>) = 0 [pid 5067] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6192] close(3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6192] <... close resumed>) = 0 [pid 6190] <... open resumed>) = 4 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] openat(AT_FDCWD, "./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6192] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 4 [pid 6192] <... mkdir resumed>) = 0 [pid 6190] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6190] <... futex resumed>) = 1 [pid 6189] <... open resumed>) = 4 [pid 6186] <... futex resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5067] newfstatat(4, "", [pid 6186] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6189] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] <... futex resumed>) = 0 [pid 6192] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6190] sync( [pid 6189] <... futex resumed>) = 1 [pid 6186] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] <... futex resumed>) = 0 [pid 5068] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(4, [pid 6189] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6182] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6182] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6182] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] openat(AT_FDCWD, "./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] getdents64(4, [pid 6189] sync( [pid 5068] <... openat resumed>) = 4 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] close(4 [ 174.756646][ T6192] loop1: detected capacity change from 0 to 1024 [pid 5068] newfstatat(4, "", [pid 5067] <... close resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] rmdir("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] getdents64(4, [pid 5067] <... rmdir resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6192] <... mount resumed>) = 0 [pid 5068] close(4) = 0 [pid 6192] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] rmdir("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6192] <... openat resumed>) = 3 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6192] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] newfstatat(AT_FDCWD, "./90/binderfs", [pid 6192] <... chdir resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6192] ioctl(4, LOOP_CLR_FD [pid 5068] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6192] <... ioctl resumed>) = 0 [pid 6190] <... sync resumed>) = 0 [pid 6189] <... sync resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] unlink("./90/binderfs" [pid 6192] close(4 [pid 6190] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(AT_FDCWD, "./91/binderfs", [pid 5067] <... unlink resumed>) = 0 [pid 6192] <... close resumed>) = 0 [pid 6190] <... futex resumed>) = 1 [pid 6189] <... futex resumed>) = 1 [pid 6186] <... futex resumed>) = 0 [pid 6182] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6192] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] exit_group(0 [pid 6182] exit_group(0 [pid 6192] <... futex resumed>) = 1 [pid 6191] <... futex resumed>) = 0 [pid 6186] <... exit_group resumed>) = ? [pid 6182] <... exit_group resumed>) = ? [pid 5068] unlink("./91/binderfs" [pid 5067] getdents64(3, [pid 6192] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] +++ exited with 0 +++ [pid 6189] +++ exited with 0 +++ [pid 6186] +++ exited with 0 +++ [pid 6182] +++ exited with 0 +++ [pid 5068] <... unlink resumed>) = 0 [pid 6192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6191] <... futex resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6182, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6191] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6192] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5067] close(3 [pid 5064] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6186, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6192] <... mknod resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5066] restart_syscall(<... resuming interrupted clone ...> [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... restart_syscall resumed>) = 0 [pid 5064] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] getdents64(3, [pid 5067] rmdir("./90" [pid 5064] <... openat resumed>) = 3 [pid 6192] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5064] newfstatat(3, "", [pid 6192] <... futex resumed>) = 1 [pid 6191] <... futex resumed>) = 0 [pid 5068] close(3 [pid 6192] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6191] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] <... close resumed>) = 0 [pid 6191] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = 0 [pid 5068] rmdir("./91" [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... rmdir resumed>) = 0 [pid 5067] mkdir("./91", 0777 [pid 5066] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] getdents64(3, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] newfstatat(AT_FDCWD, "./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] <... openat resumed>) = 3 [pid 5066] newfstatat(3, "", [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] mkdir("./92", 0777 [pid 5067] <... mkdir resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... mkdir resumed>) = 0 [pid 5066] getdents64(3, [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6192] <... open resumed>) = 4 [pid 5069] openat(AT_FDCWD, "./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... openat resumed>) = 3 [pid 6192] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... openat resumed>) = 4 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] ioctl(3, LOOP_CLR_FD [pid 6192] <... futex resumed>) = 1 [pid 6191] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6191] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5069] newfstatat(4, "", [pid 5068] ioctl(3, LOOP_CLR_FD [pid 6192] sync( [pid 6191] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] umount2("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] getdents64(4, [pid 5068] close(3 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] <... close resumed>) = 0 [pid 5069] getdents64(4, [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] close(4) = 0 [pid 5069] rmdir("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6193 ./strace-static-x86_64: Process 6193 attached [pid 5069] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] close(3 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... close resumed>) = 0 [pid 6193] set_robust_list(0x5555556c56a0, 24 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] newfstatat(AT_FDCWD, "./89/binderfs", [pid 6193] <... set_robust_list resumed>) = 0 [pid 6193] chdir("./92" [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... umount2 resumed>) = 0 [pid 5069] unlink("./89/binderfs" [pid 6193] <... chdir resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 6193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6194 [pid 5069] close(3./strace-static-x86_64: Process 6194 attached ) = 0 [pid 6194] set_robust_list(0x5555556c56a0, 24 [pid 5069] rmdir("./89" [pid 6193] <... prctl resumed>) = 0 [pid 6194] <... set_robust_list resumed>) = 0 [pid 5064] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6194] chdir("./91" [pid 6193] setpgid(0, 0 [pid 6194] <... chdir resumed>) = 0 [pid 6193] <... setpgid resumed>) = 0 [pid 6194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6194] <... prctl resumed>) = 0 [pid 6193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... rmdir resumed>) = 0 [pid 5064] newfstatat(AT_FDCWD, "./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6194] setpgid(0, 0 [pid 5069] mkdir("./90", 0777 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6194] <... setpgid resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5064] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6191] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6193] <... openat resumed>) = 3 [pid 6192] <... sync resumed>) = 0 [pid 5064] <... openat resumed>) = 4 [pid 5064] newfstatat(4, "", [pid 6194] <... openat resumed>) = 3 [pid 6192] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6192] <... futex resumed>) = 0 [pid 6194] write(3, "1000", 4 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5064] getdents64(4, [pid 6194] <... write resumed>) = 4 [pid 5069] <... openat resumed>) = 3 [pid 6194] close(3 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6194] <... close resumed>) = 0 [pid 6192] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6191] exit_group(0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 6194] symlink("/dev/binderfs", "./binderfs" [pid 6191] <... exit_group resumed>) = ? [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6192] <... futex resumed>) = ? [pid 5064] getdents64(4, [pid 6193] write(3, "1000", 4 [pid 6194] <... symlink resumed>) = 0 [pid 5069] close(3 [pid 6193] <... write resumed>) = 4 [pid 6194] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... close resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6194] <... futex resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6194] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5064] close(4 [pid 6194] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5064] <... close resumed>) = 0 [pid 6194] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6192] +++ exited with 0 +++ [pid 6191] +++ exited with 0 +++ [pid 5064] rmdir("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6195 attached [pid 6194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6193] close(3 [pid 5066] <... umount2 resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 6194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6193] <... close resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6191, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6195] set_robust_list(0x5555556c56a0, 24 [pid 6194] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6193] symlink("/dev/binderfs", "./binderfs" [pid 6195] <... set_robust_list resumed>) = 0 [pid 6194] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6195] chdir("./90" [pid 6194] <... mprotect resumed>) = 0 [pid 6193] <... symlink resumed>) = 0 [pid 6195] <... chdir resumed>) = 0 [pid 6194] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6193] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] umount2("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6194] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6193] <... futex resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6195 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6195] <... prctl resumed>) = 0 [pid 6194] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6193] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5066] newfstatat(AT_FDCWD, "./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6195] setpgid(0, 0 [pid 6193] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6195] <... setpgid resumed>) = 0 [pid 6193] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5065] <... openat resumed>) = 3 [pid 5064] newfstatat(AT_FDCWD, "./90/binderfs", [pid 6195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] newfstatat(3, "", [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6195] <... openat resumed>) = 3 [pid 6193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5066] umount2("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] unlink("./90/binderfs"./strace-static-x86_64: Process 6196 attached [pid 6194] <... clone3 resumed> => {parent_tid=[6196]}, 88) = 6196 [pid 6193] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] getdents64(3, [pid 5064] <... unlink resumed>) = 0 [pid 6195] write(3, "1000", 4 [pid 6194] rt_sigprocmask(SIG_SETMASK, [], [pid 6193] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5064] getdents64(3, [pid 6195] <... write resumed>) = 4 [pid 6194] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6196] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6195] close(3 [pid 6194] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] <... mprotect resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] close(3 [pid 6196] <... rseq resumed>) = 0 [pid 6195] <... close resumed>) = 0 [pid 6194] <... futex resumed>) = 0 [pid 6193] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] <... openat resumed>) = 4 [pid 5064] <... close resumed>) = 0 [pid 6196] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6195] symlink("/dev/binderfs", "./binderfs" [pid 6194] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5064] rmdir("./90" [pid 6193] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6196] <... set_robust_list resumed>) = 0 [pid 6193] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5064] <... rmdir resumed>) = 0 [pid 6195] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6197 attached [pid 6196] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] newfstatat(4, "", [pid 5065] <... umount2 resumed>) = 0 [pid 5064] mkdir("./91", 0777 [pid 6197] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6195] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... rseq resumed>) = 0 [pid 6195] <... futex resumed>) = 0 [pid 6197] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6195] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6197] <... set_robust_list resumed>) = 0 [pid 6195] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6197] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6196] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6195] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6193] <... clone3 resumed> => {parent_tid=[6197]}, 88) = 6197 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... mkdir resumed>) = 0 [pid 6197] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6196] memfd_create("syzkaller", 0 [pid 6195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6193] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] getdents64(4, [pid 6196] <... memfd_create resumed>) = 3 [pid 6195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6193] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6196] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6193] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] getdents64(4, [pid 5065] newfstatat(AT_FDCWD, "./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] <... openat resumed>) = 3 [pid 6197] <... futex resumed>) = 0 [pid 6196] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6193] <... futex resumed>) = 1 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6193] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5066] close(4 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 6197] memfd_create("syzkaller", 0 [pid 5066] <... close resumed>) = 0 [pid 5065] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6197] <... memfd_create resumed>) = 3 [pid 6196] 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"..., 524288 [pid 5066] rmdir("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6197] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6195] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6197] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6195] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5066] <... rmdir resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] close(3 [pid 6195] <... mprotect resumed>) = 0 [pid 6195] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... openat resumed>) = 4 [pid 5064] <... close resumed>) = 0 [pid 6195] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6195] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(4, "", [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] newfstatat(AT_FDCWD, "./88/binderfs", [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6195] <... clone3 resumed> => {parent_tid=[6198]}, 88) = 6198 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] getdents64(4, [pid 6197] 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"..., 524288 [pid 6195] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6198 attached [pid 6196] <... write resumed>) = 524288 [pid 6195] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] unlink("./88/binderfs" [pid 5065] getdents64(4, [pid 6195] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5066] <... unlink resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6199 [pid 6198] <... rseq resumed>) = 0 [pid 5066] getdents64(3, [pid 5065] close(4./strace-static-x86_64: Process 6199 attached [pid 6198] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... close resumed>) = 0 [pid 6198] <... set_robust_list resumed>) = 0 [pid 5066] close(3 [pid 5065] rmdir("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6199] set_robust_list(0x5555556c56a0, 24) = 0 [pid 6199] chdir("./91" [pid 6198] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] <... close resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 6199] <... chdir resumed>) = 0 [pid 6198] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6196] munmap(0x7fdb7f81d000, 138412032 [pid 5066] rmdir("./88" [pid 5065] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6198] memfd_create("syzkaller", 0 [pid 6197] <... write resumed>) = 524288 [pid 6196] <... munmap resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6199] <... prctl resumed>) = 0 [pid 6197] munmap(0x7fdb7f81d000, 138412032 [pid 5065] newfstatat(AT_FDCWD, "./90/binderfs", [pid 6199] setpgid(0, 0 [pid 6198] <... memfd_create resumed>) = 3 [pid 6196] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6195] <... futex resumed>) = 0 [pid 5066] mkdir("./89", 0777 [pid 6197] <... munmap resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6199] <... setpgid resumed>) = 0 [pid 6198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6197] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6196] <... openat resumed>) = 4 [pid 6195] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5066] <... mkdir resumed>) = 0 [pid 6199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6198] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6197] <... openat resumed>) = 4 [pid 6196] ioctl(4, LOOP_SET_FD, 3 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5065] unlink("./90/binderfs" [pid 6199] <... openat resumed>) = 3 [pid 6198] 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"..., 524288 [pid 6197] ioctl(4, LOOP_SET_FD, 3 [pid 6199] write(3, "1000", 4 [pid 5066] <... openat resumed>) = 3 [pid 5065] <... unlink resumed>) = 0 [pid 6199] <... write resumed>) = 4 [pid 6199] close(3) = 0 [pid 6199] symlink("/dev/binderfs", "./binderfs" [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5065] getdents64(3, [pid 6199] <... symlink resumed>) = 0 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] close(3) = 0 [pid 5066] close(3 [pid 5065] rmdir("./90" [pid 5066] <... close resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] mkdir("./91", 0777 [pid 6197] <... ioctl resumed>) = 0 [pid 6196] <... ioctl resumed>) = 0 [pid 5065] <... mkdir resumed>) = 0 [pid 6196] close(3 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6196] <... close resumed>) = 0 [pid 6199] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] close(3 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6200 [pid 5065] <... openat resumed>) = 3 [pid 6199] <... futex resumed>) = 0 [pid 6197] <... close resumed>) = 0 [pid 6196] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5065] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6200 attached [pid 6199] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6197] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6196] <... mkdir resumed>) = 0 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6200] set_robust_list(0x5555556c56a0, 24 [pid 6199] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6197] <... mkdir resumed>) = 0 [pid 6196] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5065] close(3 [pid 6200] <... set_robust_list resumed>) = 0 [pid 6199] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6198] <... write resumed>) = 524288 [pid 6197] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [ 175.150153][ T6196] loop3: detected capacity change from 0 to 1024 [ 175.158028][ T6197] loop4: detected capacity change from 0 to 1024 [pid 5065] <... close resumed>) = 0 [pid 6200] chdir("./89" [pid 6199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6200] <... chdir resumed>) = 0 [pid 6199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6198] munmap(0x7fdb7f81d000, 138412032 [pid 6200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6199] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6198] <... munmap resumed>) = 0 [pid 6200] <... prctl resumed>) = 0 [pid 6199] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6200] setpgid(0, 0) = 0 [pid 6200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6199] <... mprotect resumed>) = 0 [pid 6200] <... openat resumed>) = 3 [pid 6198] openat(AT_FDCWD, "/dev/loop5", O_RDWR./strace-static-x86_64: Process 6201 attached [pid 6199] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6198] <... openat resumed>) = 4 [pid 6201] set_robust_list(0x5555556c56a0, 24 [pid 6200] write(3, "1000", 4 [pid 6198] ioctl(4, LOOP_SET_FD, 3 [pid 6197] <... mount resumed>) = 0 [pid 6196] <... mount resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6201 [pid 6201] <... set_robust_list resumed>) = 0 [pid 6200] <... write resumed>) = 4 [pid 6199] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6201] chdir("./91" [pid 6199] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 6202 attached [pid 6200] close(3 [pid 6202] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6200] <... close resumed>) = 0 [pid 6196] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6202] <... rseq resumed>) = 0 [pid 6201] <... chdir resumed>) = 0 [pid 6197] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6196] <... openat resumed>) = 3 [pid 6202] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 6200] symlink("/dev/binderfs", "./binderfs" [pid 6197] <... openat resumed>) = 3 [pid 6202] rt_sigprocmask(SIG_SETMASK, [], [pid 6201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6199] <... clone3 resumed> => {parent_tid=[6202]}, 88) = 6202 [pid 6202] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6201] <... prctl resumed>) = 0 [pid 6200] <... symlink resumed>) = 0 [pid 6196] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6202] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] setpgid(0, 0 [pid 6196] <... chdir resumed>) = 0 [pid 6201] <... setpgid resumed>) = 0 [pid 6199] rt_sigprocmask(SIG_SETMASK, [], [pid 6197] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6196] ioctl(4, LOOP_CLR_FD [pid 6201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6200] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6197] <... chdir resumed>) = 0 [pid 6196] <... ioctl resumed>) = 0 [pid 6200] <... futex resumed>) = 0 [pid 6198] <... ioctl resumed>) = 0 [pid 6196] close(4 [pid 6200] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6198] close(3 [pid 6196] <... close resumed>) = 0 [pid 6200] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6198] <... close resumed>) = 0 [pid 6196] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6196] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6198] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6196] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6194] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6198] <... mkdir resumed>) = 0 [pid 6196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6194] <... futex resumed>) = 0 [pid 6200] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6199] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] ioctl(4, LOOP_CLR_FD [pid 6194] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] <... futex resumed>) = 0 [pid 6201] <... openat resumed>) = 3 [pid 6200] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6199] <... futex resumed>) = 1 [pid 6197] <... ioctl resumed>) = 0 [pid 6196] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6202] memfd_create("syzkaller", 0 [pid 6201] write(3, "1000", 4 [pid 6200] <... mprotect resumed>) = 0 [pid 6199] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6202] <... memfd_create resumed>) = 3 [pid 6201] <... write resumed>) = 4 [pid 6198] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6197] close(4 [pid 6196] <... mknod resumed>) = 0 [pid 6202] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6201] close(3 [pid 6200] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6197] <... close resumed>) = 0 [pid 6201] <... close resumed>) = 0 [pid 6200] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6197] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [ 175.235696][ T6198] loop5: detected capacity change from 0 to 1024 [pid 6196] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6201] symlink("/dev/binderfs", "./binderfs" [pid 6200] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6197] <... futex resumed>) = 1 [pid 6196] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6193] <... futex resumed>) = 0 [pid 6197] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] <... symlink resumed>) = 0 [pid 6196] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6194] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6197] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6201] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6203 attached [pid 6201] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6200] <... clone3 resumed> => {parent_tid=[6203]}, 88) = 6203 [pid 6198] <... mount resumed>) = 0 [pid 6197] <... mknod resumed>) = 0 [pid 6194] <... futex resumed>) = 0 [pid 6193] <... futex resumed>) = 0 [pid 6203] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6201] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6198] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6194] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6193] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] <... rseq resumed>) = 0 [pid 6201] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6200] rt_sigprocmask(SIG_SETMASK, [], [pid 6198] <... openat resumed>) = 3 [pid 6201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6203] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6200] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6198] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6197] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... open resumed>) = 4 [pid 6203] <... set_robust_list resumed>) = 0 [pid 6201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6200] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] <... chdir resumed>) = 0 [pid 6197] <... futex resumed>) = 1 [pid 6196] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] <... futex resumed>) = 0 [pid 6203] rt_sigprocmask(SIG_SETMASK, [], [pid 6201] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6200] <... futex resumed>) = 0 [pid 6198] ioctl(4, LOOP_CLR_FD [pid 6197] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6196] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6193] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6201] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6200] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6198] <... ioctl resumed>) = 0 [pid 6197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6196] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6194] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] <... futex resumed>) = 0 [pid 6203] memfd_create("syzkaller", 0 [pid 6202] 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"..., 524288 [pid 6201] <... mprotect resumed>) = 0 [pid 6198] close(4 [pid 6197] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6194] <... futex resumed>) = 0 [pid 6193] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] <... memfd_create resumed>) = 3 [pid 6201] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6198] <... close resumed>) = 0 [pid 6196] sync( [pid 6194] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6201] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6198] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6201] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6198] <... futex resumed>) = 1 [pid 6195] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6204 attached [pid 6203] 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"..., 524288 [pid 6202] <... write resumed>) = 524288 [pid 6198] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6195] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6201] <... clone3 resumed> => {parent_tid=[6204]}, 88) = 6204 [pid 6198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6197] <... open resumed>) = 4 [pid 6195] <... futex resumed>) = 0 [pid 6204] <... rseq resumed>) = 0 [pid 6201] rt_sigprocmask(SIG_SETMASK, [], [pid 6197] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6198] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6197] <... futex resumed>) = 1 [pid 6195] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6193] <... futex resumed>) = 0 [pid 6193] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... set_robust_list resumed>) = 0 [pid 6197] sync( [pid 6204] rt_sigprocmask(SIG_SETMASK, [], [pid 6201] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6198] <... mknod resumed>) = 0 [pid 6193] <... futex resumed>) = 0 [pid 6204] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6201] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6198] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6204] memfd_create("syzkaller", 0 [pid 6202] munmap(0x7fdb7f81d000, 138412032 [pid 6201] <... futex resumed>) = 0 [pid 6198] <... futex resumed>) = 1 [pid 6195] <... futex resumed>) = 0 [pid 6204] <... memfd_create resumed>) = 3 [pid 6202] <... munmap resumed>) = 0 [pid 6201] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6198] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6195] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6202] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6195] <... futex resumed>) = 0 [pid 6195] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6204] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6203] <... write resumed>) = 524288 [pid 6202] <... openat resumed>) = 4 [pid 6198] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6194] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6202] ioctl(4, LOOP_SET_FD, 3 [pid 6198] <... open resumed>) = 4 [pid 6198] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6195] <... futex resumed>) = 0 [pid 6195] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6195] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6198] sync( [pid 6203] munmap(0x7fdb7f81d000, 138412032 [pid 6202] <... ioctl resumed>) = 0 [pid 6193] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6198] <... sync resumed>) = 0 [pid 6197] <... sync resumed>) = 0 [pid 6196] <... sync resumed>) = 0 [pid 6202] close(3 [pid 6204] 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"..., 524288 [pid 6203] <... munmap resumed>) = 0 [pid 6202] <... close resumed>) = 0 [pid 6198] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6198] <... futex resumed>) = 1 [pid 6197] <... futex resumed>) = 0 [pid 6195] <... futex resumed>) = 0 [pid 6197] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6195] exit_group(0 [pid 6203] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6195] <... exit_group resumed>) = ? [pid 6203] <... openat resumed>) = 4 [pid 6202] <... mkdir resumed>) = 0 [pid 6198] +++ exited with 0 +++ [pid 6195] +++ exited with 0 +++ [pid 6194] exit_group(0 [pid 6196] <... futex resumed>) = ? [pid 6194] <... exit_group resumed>) = ? [pid 6193] exit_group(0 [pid 6204] <... write resumed>) = 524288 [pid 6203] ioctl(4, LOOP_SET_FD, 3 [pid 6202] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6197] <... futex resumed>) = ? [pid 6196] +++ exited with 0 +++ [pid 6194] +++ exited with 0 +++ [pid 6193] <... exit_group resumed>) = ? [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6195, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6204] munmap(0x7fdb7f81d000, 138412032 [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6194, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6204] <... munmap resumed>) = 0 [pid 6197] +++ exited with 0 +++ [pid 5069] <... restart_syscall resumed>) = 0 [ 175.399184][ T6202] loop0: detected capacity change from 0 to 1024 [pid 6204] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5069] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6204] ioctl(4, LOOP_SET_FD, 3 [pid 5067] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6204] <... ioctl resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6204] close(3 [pid 6203] <... ioctl resumed>) = 0 [pid 6202] <... mount resumed>) = 0 [pid 6204] <... close resumed>) = 0 [pid 6193] +++ exited with 0 +++ [pid 5069] <... openat resumed>) = 3 [pid 5067] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6204] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6203] close(3 [pid 6202] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] newfstatat(3, "", [pid 5067] <... openat resumed>) = 3 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6193, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6202] <... openat resumed>) = 3 [pid 5067] newfstatat(3, "", [pid 6202] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] getdents64(3, [pid 5068] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6204] <... mkdir resumed>) = 0 [pid 6202] <... chdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] getdents64(3, [pid 6204] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6203] <... close resumed>) = 0 [pid 6202] ioctl(4, LOOP_CLR_FD [pid 5069] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6203] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6202] <... ioctl resumed>) = 0 [pid 5067] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6202] close(4 [pid 6203] <... mkdir resumed>) = 0 [pid 6202] <... close resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 6203] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6202] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6199] <... futex resumed>) = 0 [pid 6199] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6199] <... futex resumed>) = 0 [pid 5068] newfstatat(3, "", [pid 6199] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] <... mknod resumed>) = 0 [ 175.463113][ T6204] loop1: detected capacity change from 0 to 1024 [ 175.463523][ T6203] loop2: detected capacity change from 0 to 1024 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(3, [pid 6204] <... mount resumed>) = 0 [pid 6202] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6204] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6202] <... futex resumed>) = 1 [pid 6199] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6204] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6199] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... chdir resumed>) = 0 [pid 6202] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6199] <... futex resumed>) = 0 [pid 5069] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6204] ioctl(4, LOOP_CLR_FD [pid 6199] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6204] <... ioctl resumed>) = 0 [pid 6204] close(4) = 0 [pid 6204] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6204] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6201] <... futex resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6201] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... futex resumed>) = 0 [pid 6201] <... futex resumed>) = 1 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6204] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6201] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6204] <... mknod resumed>) = 0 [pid 6203] <... mount resumed>) = 0 [pid 6202] <... open resumed>) = 4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6204] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6202] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6204] <... futex resumed>) = 1 [pid 6203] <... openat resumed>) = 3 [pid 6201] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 6201] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(4, "", [pid 6204] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6201] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6201] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6202] <... futex resumed>) = 1 [pid 6199] <... futex resumed>) = 0 [pid 5069] getdents64(4, [pid 6203] <... chdir resumed>) = 0 [pid 6202] sync( [pid 6199] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6203] ioctl(4, LOOP_CLR_FD [pid 6199] <... futex resumed>) = 0 [pid 5069] getdents64(4, [pid 5068] <... umount2 resumed>) = 0 [pid 6199] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] <... ioctl resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = 0 [pid 6203] close(4 [pid 5069] close(4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6203] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6203] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] rmdir("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6204] <... open resumed>) = 4 [pid 6203] <... futex resumed>) = 1 [pid 6200] <... futex resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] newfstatat(AT_FDCWD, "./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5068] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6204] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6200] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6204] <... futex resumed>) = 1 [pid 6203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6203] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6201] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] sync( [pid 6201] <... futex resumed>) = 0 [pid 6200] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 6201] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6203] <... mknod resumed>) = 0 [pid 6200] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(4, "", [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(AT_FDCWD, "./90/binderfs", [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] openat(AT_FDCWD, "./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] unlink("./90/binderfs" [pid 5068] getdents64(4, [pid 5067] <... openat resumed>) = 4 [pid 5069] <... unlink resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(3, [pid 6203] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] getdents64(4, [pid 5067] newfstatat(4, "", [pid 6200] <... futex resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6203] <... futex resumed>) = 1 [pid 6200] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5068] close(4 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6203] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6200] <... futex resumed>) = 0 [pid 5069] close(3 [pid 5068] <... close resumed>) = 0 [pid 5067] getdents64(4, [pid 6200] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] rmdir("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6202] <... sync resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6202] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... close resumed>) = 0 [pid 6202] <... futex resumed>) = 1 [pid 6199] <... futex resumed>) = 0 [pid 6202] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6199] exit_group(0 [pid 5069] rmdir("./90" [pid 5067] getdents64(4, [pid 6199] <... exit_group resumed>) = ? [pid 5069] <... rmdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6202] <... futex resumed>) = ? [pid 5068] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] close(4 [pid 5069] mkdir("./91", 0777 [pid 5068] newfstatat(AT_FDCWD, "./92/binderfs", [pid 5067] <... close resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5067] rmdir("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] unlink("./92/binderfs" [pid 5067] <... rmdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6202] +++ exited with 0 +++ [pid 6199] +++ exited with 0 +++ [pid 5069] <... openat resumed>) = 3 [pid 5067] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... unlink resumed>) = 0 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6199, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] getdents64(3, [pid 5064] restart_syscall(<... resuming interrupted clone ...> [pid 5069] close(3 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... restart_syscall resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] close(3 [pid 5067] newfstatat(AT_FDCWD, "./91/binderfs", [pid 6204] <... sync resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... close resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6204] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6203] <... open resumed>) = 4 [pid 5068] rmdir("./92" [pid 5067] unlink("./91/binderfs"./strace-static-x86_64: Process 6205 attached [pid 6204] <... futex resumed>) = 1 [pid 6203] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6201] <... futex resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6205 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5064] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6205] set_robust_list(0x5555556c56a0, 24 [pid 6204] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6203] <... futex resumed>) = 1 [pid 6201] exit_group(0 [pid 6200] <... futex resumed>) = 0 [pid 5067] getdents64(3, [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6205] <... set_robust_list resumed>) = 0 [pid 6204] <... futex resumed>) = ? [pid 6203] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6201] <... exit_group resumed>) = ? [pid 6200] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] mkdir("./93", 0777 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6205] chdir("./91" [pid 6204] +++ exited with 0 +++ [pid 6203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6201] +++ exited with 0 +++ [pid 6200] <... futex resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5067] close(3 [pid 6203] sync( [pid 6200] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... close resumed>) = 0 [pid 5067] rmdir("./91" [pid 6205] <... chdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] <... rmdir resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5067] mkdir("./92", 0777 [pid 6205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] <... openat resumed>) = 3 [pid 5067] <... mkdir resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6201, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5064] newfstatat(3, "", [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5065] restart_syscall(<... resuming interrupted clone ...> [pid 6205] <... prctl resumed>) = 0 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] <... openat resumed>) = 3 [pid 5065] <... restart_syscall resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] close(3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5064] getdents64(3, [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] close(3) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... close resumed>) = 0 [pid 5064] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6207 attached ./strace-static-x86_64: Process 6206 attached [pid 6205] setpgid(0, 0 [pid 5065] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6206 [pid 5065] <... openat resumed>) = 3 [pid 5065] newfstatat(3, "", [pid 6207] set_robust_list(0x5555556c56a0, 24 [pid 6206] set_robust_list(0x5555556c56a0, 24 [pid 6205] <... setpgid resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6207 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6207] <... set_robust_list resumed>) = 0 [pid 6206] <... set_robust_list resumed>) = 0 [pid 6205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5064] <... umount2 resumed>) = 0 [pid 5065] getdents64(3, [pid 6206] chdir("./92" [pid 5064] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6207] chdir("./93" [pid 6206] <... chdir resumed>) = 0 [pid 6205] <... openat resumed>) = 3 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6203] <... sync resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6203] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] newfstatat(AT_FDCWD, "./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6207] <... chdir resumed>) = 0 [pid 6206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6205] write(3, "1000", 4 [pid 6203] <... futex resumed>) = 1 [pid 6200] <... futex resumed>) = 0 [pid 6207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6206] <... prctl resumed>) = 0 [pid 6205] <... write resumed>) = 4 [pid 6200] exit_group(0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6203] ???( [pid 6207] <... prctl resumed>) = 0 [pid 6206] setpgid(0, 0 [pid 6200] <... exit_group resumed>) = ? [pid 6207] setpgid(0, 0 [pid 6206] <... setpgid resumed>) = 0 [pid 6205] close(3 [pid 6203] <... ??? resumed>) = ? [pid 5064] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6205] <... close resumed>) = 0 [pid 6207] <... setpgid resumed>) = 0 [pid 6206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6205] symlink("/dev/binderfs", "./binderfs" [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6206] <... openat resumed>) = 3 [pid 6205] <... symlink resumed>) = 0 [pid 5064] openat(AT_FDCWD, "./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6207] <... openat resumed>) = 3 [pid 6206] write(3, "1000", 4 [pid 6205] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... openat resumed>) = 4 [pid 6207] write(3, "1000", 4 [pid 6206] <... write resumed>) = 4 [pid 6205] <... futex resumed>) = 0 [pid 5064] newfstatat(4, "", [pid 6207] <... write resumed>) = 4 [pid 6206] close(3 [pid 6205] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6207] close(3 [pid 6206] <... close resumed>) = 0 [pid 6205] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6207] <... close resumed>) = 0 [pid 6206] symlink("/dev/binderfs", "./binderfs" [pid 6205] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6207] symlink("/dev/binderfs", "./binderfs" [pid 6206] <... symlink resumed>) = 0 [pid 6205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] getdents64(4, [pid 6207] <... symlink resumed>) = 0 [pid 6205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6206] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6206] <... futex resumed>) = 0 [pid 6207] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6205] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5064] getdents64(4, [pid 6207] <... futex resumed>) = 0 [pid 6206] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6205] <... mprotect resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6207] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6206] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6205] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6203] +++ exited with 0 +++ [pid 6200] +++ exited with 0 +++ [pid 5064] close(4 [pid 6207] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6207] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6205] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5064] <... close resumed>) = 0 [pid 6207] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6206] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6205] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6200, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5064] rmdir("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6208 attached [pid 6207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6206] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5066] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6208] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6207] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6208] <... rseq resumed>) = 0 [pid 6207] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6206] <... mprotect resumed>) = 0 [pid 6205] <... clone3 resumed> => {parent_tid=[6208]}, 88) = 6208 [pid 5066] <... openat resumed>) = 3 [pid 6207] <... mprotect resumed>) = 0 [pid 6205] rt_sigprocmask(SIG_SETMASK, [], [pid 6208] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6205] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6208] <... set_robust_list resumed>) = 0 [pid 6205] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6208] rt_sigprocmask(SIG_SETMASK, [], [pid 6207] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6205] <... futex resumed>) = 0 [pid 5066] newfstatat(3, "", [pid 5065] <... umount2 resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 6208] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6207] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6206] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6205] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6208] memfd_create("syzkaller", 0 [pid 6207] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5066] getdents64(3, ./strace-static-x86_64: Process 6209 attached [pid 6208] <... memfd_create resumed>) = 3 [pid 6206] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6207] <... clone3 resumed> => {parent_tid=[6209]}, 88) = 6209 [pid 5064] newfstatat(AT_FDCWD, "./91/binderfs", [pid 6207] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6207] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6207] <... futex resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] unlink("./91/binderfs"./strace-static-x86_64: Process 6210 attached [pid 6209] <... rseq resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6210] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6209] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6207] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6206] <... clone3 resumed> => {parent_tid=[6210]}, 88) = 6210 [pid 5066] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(AT_FDCWD, "./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] <... unlink resumed>) = 0 [pid 6210] <... rseq resumed>) = 0 [pid 6209] <... set_robust_list resumed>) = 0 [pid 6208] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6206] rt_sigprocmask(SIG_SETMASK, [], [pid 6210] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6209] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] getdents64(3, [pid 6210] <... set_robust_list resumed>) = 0 [pid 6209] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6210] rt_sigprocmask(SIG_SETMASK, [], [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6210] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6209] memfd_create("syzkaller", 0 [pid 6206] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] close(3 [pid 6210] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6208] 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"..., 524288 [pid 5065] openat(AT_FDCWD, "./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6209] <... memfd_create resumed>) = 3 [pid 6206] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... umount2 resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 6210] <... futex resumed>) = 0 [pid 6209] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6206] <... futex resumed>) = 1 [pid 5065] <... openat resumed>) = 4 [pid 5064] rmdir("./91" [pid 6210] memfd_create("syzkaller", 0 [pid 6209] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6206] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5066] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(4, "", [pid 6210] <... memfd_create resumed>) = 3 [pid 5064] <... rmdir resumed>) = 0 [pid 6210] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6210] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6210] 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"..., 524288 [pid 6209] 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"..., 524288 [pid 5066] newfstatat(AT_FDCWD, "./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] getdents64(4, [pid 5064] mkdir("./92", 0777 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] openat(AT_FDCWD, "./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5065] getdents64(4, [pid 5064] <... mkdir resumed>) = 0 [pid 5066] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(4, [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5065] close(4 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] <... close resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5065] rmdir("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5066] getdents64(4, [pid 5065] <... rmdir resumed>) = 0 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] close(3 [pid 6210] <... write resumed>) = 524288 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... close resumed>) = 0 [pid 6209] <... write resumed>) = 524288 [pid 6208] <... write resumed>) = 524288 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] close(4 [pid 5065] newfstatat(AT_FDCWD, "./91/binderfs", [pid 5066] <... close resumed>) = 0 [pid 5066] rmdir("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6211 [pid 5065] unlink("./91/binderfs" [pid 6209] munmap(0x7fdb7f81d000, 138412032 [pid 6208] munmap(0x7fdb7f81d000, 138412032 [pid 5065] <... unlink resumed>) = 0 [pid 5065] getdents64(3, [pid 6209] <... munmap resumed>) = 0 [pid 6208] <... munmap resumed>) = 0 [pid 6210] munmap(0x7fdb7f81d000, 138412032 [pid 5066] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6209] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5065] close(3) = 0 ./strace-static-x86_64: Process 6211 attached [pid 6209] <... openat resumed>) = 4 [pid 6208] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] rmdir("./91" [pid 6211] set_robust_list(0x5555556c56a0, 24 [pid 5066] newfstatat(AT_FDCWD, "./89/binderfs", [pid 6211] <... set_robust_list resumed>) = 0 [pid 6210] <... munmap resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6211] chdir("./92" [pid 6210] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6209] ioctl(4, LOOP_SET_FD, 3 [pid 6208] <... openat resumed>) = 4 [pid 5066] unlink("./89/binderfs" [pid 5065] <... rmdir resumed>) = 0 [pid 6211] <... chdir resumed>) = 0 [pid 6211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6210] <... openat resumed>) = 4 [pid 5066] <... unlink resumed>) = 0 [pid 6211] <... prctl resumed>) = 0 [pid 6211] setpgid(0, 0) = 0 [pid 6211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] close(3 [pid 6211] <... openat resumed>) = 3 [pid 5066] <... close resumed>) = 0 [pid 5066] rmdir("./89" [pid 6211] write(3, "1000", 4 [pid 5066] <... rmdir resumed>) = 0 [pid 6210] ioctl(4, LOOP_SET_FD, 3 [pid 6211] <... write resumed>) = 4 [pid 6211] close(3) = 0 [pid 6211] symlink("/dev/binderfs", "./binderfs" [pid 5066] mkdir("./90", 0777 [pid 6211] <... symlink resumed>) = 0 [pid 5066] <... mkdir resumed>) = 0 [pid 6211] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6211] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6211] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6210] <... ioctl resumed>) = 0 [pid 6208] ioctl(4, LOOP_SET_FD, 3 [pid 5066] <... openat resumed>) = 3 [pid 5065] mkdir("./92", 0777 [pid 6210] close(3 [pid 6211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6208] <... ioctl resumed>) = 0 [pid 6211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 6211] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] <... mkdir resumed>) = 0 [pid 6211] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5066] close(3) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6211] <... mprotect resumed>) = 0 [pid 6210] <... close resumed>) = 0 [pid 6209] <... ioctl resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6208] close(3 [pid 6210] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6209] close(3) = 0 [pid 5065] <... openat resumed>) = 3 [pid 6211] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6209] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6211] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6211] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6212 [pid 6210] <... mkdir resumed>) = 0 [pid 6209] <... mkdir resumed>) = 0 [pid 6208] <... close resumed>) = 0 [pid 5065] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 6213 attached ./strace-static-x86_64: Process 6212 attached [pid 6210] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6209] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6208] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5065] close(3 [pid 6213] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6212] set_robust_list(0x5555556c56a0, 24 [pid 6211] <... clone3 resumed> => {parent_tid=[6213]}, 88) = 6213 [pid 5065] <... close resumed>) = 0 [pid 6213] <... rseq resumed>) = 0 [pid 6212] <... set_robust_list resumed>) = 0 [pid 6211] rt_sigprocmask(SIG_SETMASK, [], [pid 6208] <... mkdir resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6213] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6212] chdir("./90" [pid 6211] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6213] <... set_robust_list resumed>) = 0 [pid 6212] <... chdir resumed>) = 0 [pid 6211] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] rt_sigprocmask(SIG_SETMASK, [], [pid 6212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6211] <... futex resumed>) = 0 [pid 6213] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6212] <... prctl resumed>) = 0 [pid 6211] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6213] memfd_create("syzkaller", 0 [pid 6212] setpgid(0, 0 [pid 6213] <... memfd_create resumed>) = 3 [pid 6212] <... setpgid resumed>) = 0 [pid 6208] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, ""./strace-static-x86_64: Process 6214 attached [pid 6213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6214 [pid 6213] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6214] set_robust_list(0x5555556c56a0, 24 [pid 6212] <... openat resumed>) = 3 [ 175.873969][ T6209] loop4: detected capacity change from 0 to 1024 [ 175.881551][ T6210] loop3: detected capacity change from 0 to 1024 [ 175.896355][ T6208] loop5: detected capacity change from 0 to 1024 [pid 6214] <... set_robust_list resumed>) = 0 [pid 6212] write(3, "1000", 4) = 4 [pid 6212] close(3) = 0 [pid 6212] symlink("/dev/binderfs", "./binderfs" [pid 6214] chdir("./92" [pid 6212] <... symlink resumed>) = 0 [pid 6214] <... chdir resumed>) = 0 [pid 6212] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6213] 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"..., 524288 [pid 6212] <... futex resumed>) = 0 [pid 6214] <... prctl resumed>) = 0 [pid 6212] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6214] setpgid(0, 0 [pid 6213] <... write resumed>) = 524288 [pid 6212] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6210] <... mount resumed>) = 0 [pid 6209] <... mount resumed>) = 0 [pid 6209] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6210] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6208] <... mount resumed>) = 0 [pid 6212] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6209] <... openat resumed>) = 3 [pid 6212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6209] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6214] <... setpgid resumed>) = 0 [pid 6212] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6210] <... openat resumed>) = 3 [pid 6209] <... chdir resumed>) = 0 [pid 6208] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6212] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6210] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6209] ioctl(4, LOOP_CLR_FD [pid 6208] <... openat resumed>) = 3 [pid 6214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6212] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6210] <... chdir resumed>) = 0 [pid 6209] <... ioctl resumed>) = 0 [pid 6208] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6214] <... openat resumed>) = 3 [pid 6212] <... mprotect resumed>) = 0 [pid 6210] ioctl(4, LOOP_CLR_FD [pid 6209] close(4 [pid 6208] <... chdir resumed>) = 0 [pid 6214] write(3, "1000", 4 [pid 6212] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6210] <... ioctl resumed>) = 0 [pid 6209] <... close resumed>) = 0 [pid 6208] ioctl(4, LOOP_CLR_FD [pid 6214] <... write resumed>) = 4 [pid 6212] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6210] close(4 [pid 6209] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] <... ioctl resumed>) = 0 [pid 6214] close(3 [pid 6212] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6210] <... close resumed>) = 0 [pid 6209] <... futex resumed>) = 1 [pid 6208] close(4 [pid 6214] <... close resumed>) = 0 [pid 6210] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6215 attached [pid 6214] symlink("/dev/binderfs", "./binderfs" [pid 6213] munmap(0x7fdb7f81d000, 138412032 [pid 6210] <... futex resumed>) = 1 [pid 6208] <... close resumed>) = 0 [pid 6207] <... futex resumed>) = 0 [pid 6206] <... futex resumed>) = 0 [pid 6215] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6212] <... clone3 resumed> => {parent_tid=[6215]}, 88) = 6215 [pid 6210] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6208] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... rseq resumed>) = 0 [pid 6214] <... symlink resumed>) = 0 [pid 6213] <... munmap resumed>) = 0 [pid 6212] rt_sigprocmask(SIG_SETMASK, [], [pid 6209] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 1 [pid 6207] <... futex resumed>) = 1 [pid 6206] <... futex resumed>) = 0 [pid 6215] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6214] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6212] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6209] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6208] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6207] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6206] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6205] <... futex resumed>) = 0 [pid 6215] <... set_robust_list resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6213] <... openat resumed>) = 4 [pid 6212] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... mknod resumed>) = 0 [pid 6205] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] rt_sigprocmask(SIG_SETMASK, [], [pid 6214] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6213] ioctl(4, LOOP_SET_FD, 3 [pid 6212] <... futex resumed>) = 0 [pid 6209] <... mknod resumed>) = 0 [pid 6205] <... futex resumed>) = 1 [pid 6215] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6214] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6213] <... ioctl resumed>) = 0 [pid 6212] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6210] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] <... futex resumed>) = 0 [pid 6205] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6215] memfd_create("syzkaller", 0 [pid 6208] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6214] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6215] <... memfd_create resumed>) = 3 [pid 6210] <... futex resumed>) = 1 [pid 6209] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... futex resumed>) = 0 [pid 6215] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6210] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] <... futex resumed>) = 1 [pid 6207] <... futex resumed>) = 0 [pid 6206] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6209] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6207] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... futex resumed>) = 0 [pid 6214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6215] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6210] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6207] <... futex resumed>) = 0 [pid 6214] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6207] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6206] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6213] close(3 [pid 6214] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6208] <... mknod resumed>) = 0 [pid 6215] 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"..., 524288 [pid 6214] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6213] <... close resumed>) = 0 [pid 6210] <... open resumed>) = 4 [pid 6209] <... open resumed>) = 4 [ 176.017876][ T6213] loop0: detected capacity change from 0 to 1024 [pid 6208] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] <... write resumed>) = 524288 [pid 6214] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6213] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6210] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] <... futex resumed>) = 1 [pid 6205] <... futex resumed>) = 0 [pid 6210] <... futex resumed>) = 1 [pid 6209] <... futex resumed>) = 1 [pid 6208] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6207] <... futex resumed>) = 0 [pid 6215] munmap(0x7fdb7f81d000, 138412032 [pid 6210] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6209] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6207] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6207] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6213] <... mkdir resumed>) = 0 [pid 6209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6206] <... futex resumed>) = 0 [pid 6205] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6216 attached [pid 6215] <... munmap resumed>) = 0 [pid 6214] <... clone3 resumed> => {parent_tid=[6216]}, 88) = 6216 [pid 6213] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6209] sync( [pid 6208] <... futex resumed>) = 0 [pid 6206] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... futex resumed>) = 1 [pid 6216] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6215] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6214] rt_sigprocmask(SIG_SETMASK, [], [pid 6216] <... rseq resumed>) = 0 [pid 6208] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6206] <... futex resumed>) = 1 [pid 6216] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6214] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6206] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] <... set_robust_list resumed>) = 0 [pid 6214] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] rt_sigprocmask(SIG_SETMASK, [], [pid 6214] <... futex resumed>) = 0 [pid 6214] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6216] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6216] memfd_create("syzkaller", 0 [pid 6215] <... openat resumed>) = 4 [pid 6210] <... futex resumed>) = 0 [pid 6210] sync( [pid 6215] ioctl(4, LOOP_SET_FD, 3 [pid 6216] <... memfd_create resumed>) = 3 [pid 6213] <... mount resumed>) = 0 [pid 6208] <... open resumed>) = 4 [pid 6207] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6208] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6213] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6213] ioctl(4, LOOP_CLR_FD) = 0 [pid 6213] close(4) = 0 [pid 6216] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6208] <... futex resumed>) = 1 [pid 6205] <... futex resumed>) = 0 [pid 6213] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] sync( [pid 6205] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6213] <... futex resumed>) = 1 [pid 6211] <... futex resumed>) = 0 [pid 6205] <... futex resumed>) = 0 [pid 6213] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6211] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6205] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] 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"..., 524288 [pid 6215] <... ioctl resumed>) = 0 [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6211] <... futex resumed>) = 0 [pid 6210] <... sync resumed>) = 0 [pid 6209] <... sync resumed>) = 0 [pid 6208] <... sync resumed>) = 0 [pid 6213] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6211] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6210] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6208] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6215] close(3 [pid 6209] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6215] <... close resumed>) = 0 [pid 6215] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6206] exit_group(0 [pid 6210] <... futex resumed>) = 0 [pid 6208] <... futex resumed>) = 1 [pid 6205] <... futex resumed>) = 0 [pid 6213] <... mknod resumed>) = 0 [pid 6210] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6205] exit_group(0) = ? [pid 6215] <... mkdir resumed>) = 0 [pid 6208] +++ exited with 0 +++ [pid 6206] <... exit_group resumed>) = ? [pid 6205] +++ exited with 0 +++ [pid 6210] <... futex resumed>) = ? [pid 6210] +++ exited with 0 +++ [pid 6207] exit_group(0 [pid 6213] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6211] <... futex resumed>) = 0 [pid 6213] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6211] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6206] +++ exited with 0 +++ [pid 6211] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6205, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6207] <... exit_group resumed>) = ? [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6206, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6209] +++ exited with 0 +++ [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 6207] +++ exited with 0 +++ [pid 5069] <... restart_syscall resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5067] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 176.132528][ T6215] loop2: detected capacity change from 0 to 1024 [pid 6213] <... open resumed>) = 4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6216] <... write resumed>) = 524288 [pid 6215] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6216] munmap(0x7fdb7f81d000, 138412032 [pid 6213] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... openat resumed>) = 3 [pid 6213] <... futex resumed>) = 1 [pid 6216] <... munmap resumed>) = 0 [pid 6213] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6216] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] <... openat resumed>) = 3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(3, "", [pid 5068] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6216] <... openat resumed>) = 4 [pid 5069] newfstatat(3, "", [pid 5068] <... openat resumed>) = 3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6211] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] newfstatat(3, "", [pid 5067] getdents64(3, [pid 6216] ioctl(4, LOOP_SET_FD, 3 [pid 6211] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] <... futex resumed>) = 0 [pid 6211] <... futex resumed>) = 1 [pid 6213] sync( [pid 6211] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6216] <... ioctl resumed>) = 0 [pid 5069] getdents64(3, [pid 5068] getdents64(3, [pid 5067] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6216] close(3) = 0 [pid 6216] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6215] <... mount resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] <... umount2 resumed>) = 0 [pid 6216] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6215] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6215] <... openat resumed>) = 3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6215] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] openat(AT_FDCWD, "./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6215] <... chdir resumed>) = 0 [pid 6215] ioctl(4, LOOP_CLR_FD [pid 6211] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] <... openat resumed>) = 4 [pid 6215] <... ioctl resumed>) = 0 [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6215] close(4 [pid 5067] getdents64(4, [pid 6215] <... close resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6215] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [ 176.225300][ T6216] loop1: detected capacity change from 0 to 1024 [pid 5067] getdents64(4, [pid 6215] <... futex resumed>) = 1 [pid 6212] <... futex resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6215] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6212] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6212] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6215] <... mknod resumed>) = 0 [pid 5067] close(4) = 0 [pid 5067] rmdir("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6215] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... rmdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./92/binderfs", [pid 6215] <... futex resumed>) = 1 [pid 6212] <... futex resumed>) = 0 [pid 6215] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6212] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6215] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6212] <... futex resumed>) = 0 [pid 5067] unlink("./92/binderfs" [pid 6212] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... unlink resumed>) = 0 [pid 5069] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 6216] <... mount resumed>) = 0 [pid 5068] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6216] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6216] <... openat resumed>) = 3 [pid 6213] <... sync resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5067] close(3 [pid 6216] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6213] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] newfstatat(AT_FDCWD, "./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... close resumed>) = 0 [pid 6216] <... chdir resumed>) = 0 [pid 6215] <... open resumed>) = 4 [pid 6213] <... futex resumed>) = 0 [pid 6211] exit_group(0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] rmdir("./92" [pid 6216] ioctl(4, LOOP_CLR_FD [pid 6215] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] <... exit_group resumed>) = ? [pid 5069] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... rmdir resumed>) = 0 [pid 6216] <... ioctl resumed>) = 0 [pid 6213] +++ exited with 0 +++ [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6216] close(4 [pid 5069] openat(AT_FDCWD, "./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... openat resumed>) = 4 [pid 5067] mkdir("./93", 0777 [pid 6215] <... futex resumed>) = 1 [pid 6212] <... futex resumed>) = 0 [pid 6211] +++ exited with 0 +++ [pid 5069] <... openat resumed>) = 4 [pid 5068] newfstatat(4, "", [pid 5067] <... mkdir resumed>) = 0 [pid 6215] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6212] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6216] <... close resumed>) = 0 [pid 6212] <... futex resumed>) = 0 [pid 5069] newfstatat(4, "", [pid 5068] getdents64(4, [pid 5067] <... openat resumed>) = 3 [pid 6216] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6211, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6216] <... futex resumed>) = 1 [pid 6215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] <... futex resumed>) = 0 [pid 5069] getdents64(4, [pid 5068] getdents64(4, [pid 5067] <... ioctl resumed>) = 0 [pid 5064] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6216] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6214] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] close(3 [pid 6216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6215] sync( [pid 6214] <... futex resumed>) = 0 [pid 5069] getdents64(4, [pid 5068] close(4 [pid 5067] <... close resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6216] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6214] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6216] <... mknod resumed>) = 0 [pid 5069] close(4 [pid 5068] rmdir("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] <... close resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 6216] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] rmdir("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] newfstatat(3, "", [pid 6216] <... futex resumed>) = 1 [pid 6214] <... futex resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6217 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6214] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] newfstatat(AT_FDCWD, "./93/binderfs", [pid 6214] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] getdents64(3, [pid 6214] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] unlink("./93/binderfs"./strace-static-x86_64: Process 6217 attached [pid 6216] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5069] newfstatat(AT_FDCWD, "./91/binderfs", [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] unlink("./91/binderfs" [pid 5068] <... unlink resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 6212] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] getdents64(3, [pid 6217] set_robust_list(0x5555556c56a0, 24 [pid 5069] getdents64(3, [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6217] <... set_robust_list resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5068] close(3 [pid 6217] chdir("./93" [pid 5069] close(3 [pid 5068] <... close resumed>) = 0 [pid 6217] <... chdir resumed>) = 0 [pid 6217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6216] <... open resumed>) = 4 [pid 5069] <... close resumed>) = 0 [pid 5068] rmdir("./93") = 0 [pid 5069] rmdir("./91") = 0 [pid 6216] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6214] <... futex resumed>) = 0 [pid 6216] sync( [pid 6214] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] mkdir("./94", 0777 [pid 6214] <... futex resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 6217] <... prctl resumed>) = 0 [pid 6214] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6217] setpgid(0, 0) = 0 [pid 5069] mkdir("./92", 0777 [pid 6217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6215] <... sync resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 6217] <... openat resumed>) = 3 [pid 6215] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5068] <... openat resumed>) = 3 [pid 5069] <... openat resumed>) = 3 [pid 5064] <... umount2 resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] close(3 [pid 5069] close(3 [pid 5068] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6215] <... futex resumed>) = 0 [pid 6215] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6212] exit_group(0 [pid 5064] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6217] write(3, "1000", 4 [pid 6215] <... futex resumed>) = ? [pid 6212] <... exit_group resumed>) = ? [pid 5064] newfstatat(AT_FDCWD, "./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", ./strace-static-x86_64: Process 6218 attached [pid 6216] <... sync resumed>) = 0 [pid 6215] +++ exited with 0 +++ [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6219 attached [pid 6218] set_robust_list(0x5555556c56a0, 24 [pid 6217] <... write resumed>) = 4 [pid 6216] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] +++ exited with 0 +++ [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6218 [pid 5064] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6219] set_robust_list(0x5555556c56a0, 24 [pid 6217] close(3 [pid 6216] <... futex resumed>) = 1 [pid 6214] <... futex resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6219 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6212, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6219] <... set_robust_list resumed>) = 0 [pid 6218] <... set_robust_list resumed>) = 0 [pid 6217] <... close resumed>) = 0 [pid 6214] exit_group(0 [pid 6219] chdir("./94" [pid 6218] chdir("./92" [pid 6217] symlink("/dev/binderfs", "./binderfs" [pid 6214] <... exit_group resumed>) = ? [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6219] <... chdir resumed>) = 0 [pid 6218] <... chdir resumed>) = 0 [pid 5064] openat(AT_FDCWD, "./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6217] <... symlink resumed>) = 0 [pid 6216] +++ exited with 0 +++ [pid 6214] +++ exited with 0 +++ [pid 6219] <... prctl resumed>) = 0 [pid 6218] <... prctl resumed>) = 0 [pid 6217] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... openat resumed>) = 4 [pid 6218] setpgid(0, 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6214, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5064] newfstatat(4, "", [pid 6218] <... setpgid resumed>) = 0 [pid 6218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6218] <... openat resumed>) = 3 [pid 6218] write(3, "1000", 4 [pid 5064] getdents64(4, [pid 6218] <... write resumed>) = 4 [pid 6218] close(3 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6218] <... close resumed>) = 0 [pid 5064] getdents64(4, [pid 6218] symlink("/dev/binderfs", "./binderfs" [pid 5065] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6218] <... symlink resumed>) = 0 [pid 6217] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6219] setpgid(0, 0 [pid 6218] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5065] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6219] <... setpgid resumed>) = 0 [pid 6218] <... futex resumed>) = 0 [pid 6217] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5064] close(4 [pid 6219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6218] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6217] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5066] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... openat resumed>) = 3 [pid 6219] <... openat resumed>) = 3 [pid 6218] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] <... close resumed>) = 0 [pid 6219] write(3, "1000", 4 [pid 6218] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(3, "", [pid 5064] rmdir("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6219] <... write resumed>) = 4 [pid 6218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6217] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5066] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 6219] close(3 [pid 6218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6217] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5066] <... openat resumed>) = 3 [pid 5065] getdents64(3, [pid 6219] <... close resumed>) = 0 [pid 6218] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6217] <... mprotect resumed>) = 0 [pid 5066] newfstatat(3, "", [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6219] symlink("/dev/binderfs", "./binderfs" [pid 6218] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6217] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6219] <... symlink resumed>) = 0 [pid 6218] <... mprotect resumed>) = 0 [pid 6217] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6219] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6219] <... futex resumed>) = 0 [pid 5066] getdents64(3, ./strace-static-x86_64: Process 6220 attached [pid 6219] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6218] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6220] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6219] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6217] <... clone3 resumed> => {parent_tid=[6220]}, 88) = 6220 [pid 5066] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6220] <... rseq resumed>) = 0 [pid 6219] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6217] rt_sigprocmask(SIG_SETMASK, [], [pid 6220] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6218] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6217] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] newfstatat(AT_FDCWD, "./92/binderfs", [pid 6220] <... set_robust_list resumed>) = 0 [pid 6219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6217] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] rt_sigprocmask(SIG_SETMASK, [], [pid 6219] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6218] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6217] <... futex resumed>) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6220] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] unlink("./92/binderfs" [pid 6217] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5064] <... unlink resumed>) = 0 [pid 6218] <... clone3 resumed> => {parent_tid=[6221]}, 88) = 6221 [pid 6220] memfd_create("syzkaller", 0 [pid 6219] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6218] rt_sigprocmask(SIG_SETMASK, [], [pid 5064] getdents64(3, [pid 6218] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6221 attached [pid 6218] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] close(3 [pid 6221] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6220] <... memfd_create resumed>) = 3 [pid 6219] <... mprotect resumed>) = 0 [pid 6218] <... futex resumed>) = 0 [pid 6218] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6220] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6219] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6221] <... rseq resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 6220] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6219] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6219] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6221] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5065] newfstatat(AT_FDCWD, "./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] rmdir("./92" [pid 6220] 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"..., 524288 [pid 5066] <... umount2 resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 6221] <... set_robust_list resumed>) = 0 [pid 5065] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6221] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] mkdir("./93", 0777./strace-static-x86_64: Process 6222 attached [pid 6221] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6219] <... clone3 resumed> => {parent_tid=[6222]}, 88) = 6222 [pid 5065] openat(AT_FDCWD, "./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... mkdir resumed>) = 0 [pid 6221] memfd_create("syzkaller", 0 [pid 5065] <... openat resumed>) = 4 [pid 6221] <... memfd_create resumed>) = 3 [pid 6219] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] newfstatat(4, "", [pid 6222] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6219] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6222] <... rseq resumed>) = 0 [pid 6219] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6219] <... futex resumed>) = 0 [pid 6222] <... set_robust_list resumed>) = 0 [pid 6219] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6222] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5066] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6222] memfd_create("syzkaller", 0 [pid 6221] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] getdents64(4, [pid 5064] <... openat resumed>) = 3 [pid 6222] <... memfd_create resumed>) = 3 [pid 5066] newfstatat(AT_FDCWD, "./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6221] 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"..., 524288 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] getdents64(4, [pid 6222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5066] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6222] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] close(4) = 0 [pid 5065] rmdir("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5066] openat(AT_FDCWD, "./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5066] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] getdents64(4, [pid 5065] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] ioctl(3, LOOP_CLR_FD [pid 6222] 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"..., 524288 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] close(4 [pid 5065] newfstatat(AT_FDCWD, "./92/binderfs", [pid 5064] close(3 [pid 5066] <... close resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... close resumed>) = 0 [pid 5066] rmdir("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] unlink("./92/binderfs" [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6220] <... write resumed>) = 524288 [pid 5066] <... rmdir resumed>) = 0 [pid 5065] <... unlink resumed>) = 0 [pid 5066] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] getdents64(3, [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] newfstatat(AT_FDCWD, "./90/binderfs", [pid 5065] close(3 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6223 [pid 6220] munmap(0x7fdb7f81d000, 138412032 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... close resumed>) = 0 [pid 5066] unlink("./90/binderfs" [pid 5065] rmdir("./92" [pid 5066] <... unlink resumed>) = 0 [pid 6220] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 6223 attached [pid 5066] getdents64(3, [pid 5065] <... rmdir resumed>) = 0 [pid 6223] set_robust_list(0x5555556c56a0, 24) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] mkdir("./93", 0777 [pid 6223] chdir("./93" [pid 5066] close(3 [pid 6223] <... chdir resumed>) = 0 [pid 6220] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5066] <... close resumed>) = 0 [pid 5065] <... mkdir resumed>) = 0 [pid 6220] <... openat resumed>) = 4 [pid 5066] rmdir("./90" [pid 6223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] <... rmdir resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6223] <... prctl resumed>) = 0 [pid 6221] <... write resumed>) = 524288 [pid 6221] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 6220] ioctl(4, LOOP_SET_FD, 3 [pid 6223] setpgid(0, 0 [pid 6221] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5065] <... openat resumed>) = 3 [pid 6221] <... openat resumed>) = 4 [pid 6221] ioctl(4, LOOP_SET_FD, 3 [pid 6222] <... write resumed>) = 524288 [pid 6220] <... ioctl resumed>) = 0 [pid 6223] <... setpgid resumed>) = 0 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 6223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6222] munmap(0x7fdb7f81d000, 138412032 [pid 6221] <... ioctl resumed>) = 0 [pid 6220] close(3 [pid 5066] mkdir("./91", 0777 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6223] <... openat resumed>) = 3 [pid 5065] close(3 [pid 6223] write(3, "1000", 4 [pid 5065] <... close resumed>) = 0 [pid 6223] <... write resumed>) = 4 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6224 attached [pid 6223] close(3 [pid 6224] set_robust_list(0x5555556c56a0, 24 [pid 6223] <... close resumed>) = 0 [pid 6220] <... close resumed>) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6224 [pid 6224] <... set_robust_list resumed>) = 0 [pid 6223] symlink("/dev/binderfs", "./binderfs" [pid 6222] <... munmap resumed>) = 0 [pid 6224] chdir("./93" [pid 6223] <... symlink resumed>) = 0 [pid 6220] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5066] <... mkdir resumed>) = 0 [pid 6224] <... chdir resumed>) = 0 [pid 6223] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6223] <... futex resumed>) = 0 [pid 6224] <... prctl resumed>) = 0 [pid 6223] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6224] setpgid(0, 0 [pid 6223] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6221] close(3 [pid 6220] <... mkdir resumed>) = 0 [pid 6224] <... setpgid resumed>) = 0 [pid 6223] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6221] <... close resumed>) = 0 [pid 6220] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6222] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6222] <... openat resumed>) = 4 [pid 6223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6222] ioctl(4, LOOP_SET_FD, 3 [pid 6221] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6221] <... mkdir resumed>) = 0 [pid 6220] <... mount resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 6224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6223] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6221] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6220] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5066] ioctl(3, LOOP_CLR_FD [pid 6224] <... openat resumed>) = 3 [pid 6223] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6224] write(3, "1000", 4 [pid 6223] <... mprotect resumed>) = 0 [pid 6224] <... write resumed>) = 4 [pid 6223] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6220] <... openat resumed>) = 3 [pid 5066] close(3 [pid 6224] close(3 [pid 6220] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6224] <... close resumed>) = 0 [pid 6223] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6220] <... chdir resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 6224] symlink("/dev/binderfs", "./binderfs" [pid 6223] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6220] ioctl(4, LOOP_CLR_FD [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6224] <... symlink resumed>) = 0 [pid 6220] <... ioctl resumed>) = 0 [pid 6224] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] <... clone3 resumed> => {parent_tid=[6225]}, 88) = 6225 ./strace-static-x86_64: Process 6225 attached [pid 6224] <... futex resumed>) = 0 [pid 6223] rt_sigprocmask(SIG_SETMASK, [], [pid 6225] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6224] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6223] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6225] <... rseq resumed>) = 0 [pid 6224] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6223] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... ioctl resumed>) = 0 [pid 6220] close(4 [pid 6225] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6224] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6223] <... futex resumed>) = 0 [pid 6222] close(3 [pid 6221] <... mount resumed>) = 0 [pid 6220] <... close resumed>) = 0 [pid 6225] <... set_robust_list resumed>) = 0 [pid 6224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6223] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6221] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6220] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6226 attached [pid 6225] rt_sigprocmask(SIG_SETMASK, [], [pid 6224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6222] <... close resumed>) = 0 [pid 6221] <... openat resumed>) = 3 [pid 6220] <... futex resumed>) = 1 [pid 6217] <... futex resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6226 [pid 6225] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6224] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6222] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6221] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6220] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6217] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] set_robust_list(0x5555556c56a0, 24 [pid 6225] memfd_create("syzkaller", 0 [pid 6224] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6222] <... mkdir resumed>) = 0 [pid 6221] <... chdir resumed>) = 0 [pid 6220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6217] <... futex resumed>) = 0 [ 176.695732][ T6220] loop3: detected capacity change from 0 to 1024 [ 176.698038][ T6221] loop5: detected capacity change from 0 to 1024 [ 176.730014][ T6222] loop4: detected capacity change from 0 to 1024 [pid 6226] <... set_robust_list resumed>) = 0 [pid 6224] <... mprotect resumed>) = 0 [pid 6221] ioctl(4, LOOP_CLR_FD [pid 6220] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6217] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6226] chdir("./91" [pid 6225] <... memfd_create resumed>) = 3 [pid 6224] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6222] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6220] <... mknod resumed>) = 0 [pid 6226] <... chdir resumed>) = 0 [pid 6225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6224] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6221] <... ioctl resumed>) = 0 [pid 6225] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6224] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6221] close(4 [pid 6226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6225] 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"..., 524288 [pid 6221] <... close resumed>) = 0 [pid 6220] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] <... prctl resumed>) = 0 [pid 6221] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] <... futex resumed>) = 1 [pid 6217] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6227 attached [pid 6226] setpgid(0, 0 [pid 6224] <... clone3 resumed> => {parent_tid=[6227]}, 88) = 6227 [pid 6221] <... futex resumed>) = 1 [pid 6220] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6218] <... futex resumed>) = 0 [pid 6217] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6224] rt_sigprocmask(SIG_SETMASK, [], [pid 6227] <... rseq resumed>) = 0 [pid 6224] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6227] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6224] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] <... futex resumed>) = 0 [pid 6226] <... setpgid resumed>) = 0 [pid 6221] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6218] <... futex resumed>) = 0 [pid 6217] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] <... set_robust_list resumed>) = 0 [pid 6226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6224] <... futex resumed>) = 0 [pid 6218] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] rt_sigprocmask(SIG_SETMASK, [], [pid 6224] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6227] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6221] <... mknod resumed>) = 0 [pid 6226] <... openat resumed>) = 3 [pid 6221] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] memfd_create("syzkaller", 0 [pid 6226] write(3, "1000", 4 [pid 6221] <... futex resumed>) = 1 [pid 6220] <... open resumed>) = 4 [pid 6218] <... futex resumed>) = 0 [pid 6226] <... write resumed>) = 4 [pid 6221] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6218] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] close(3 [pid 6221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... futex resumed>) = 0 [pid 6227] <... memfd_create resumed>) = 3 [pid 6226] <... close resumed>) = 0 [pid 6222] <... mount resumed>) = 0 [pid 6221] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6220] <... futex resumed>) = 1 [pid 6218] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6217] <... futex resumed>) = 0 [pid 6227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6222] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6217] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6222] <... openat resumed>) = 3 [pid 6220] sync( [pid 6217] <... futex resumed>) = 0 [pid 6227] 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"..., 524288 [pid 6226] symlink("/dev/binderfs", "./binderfs" [pid 6225] <... write resumed>) = 524288 [pid 6221] <... open resumed>) = 4 [pid 6217] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6226] <... symlink resumed>) = 0 [pid 6222] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6221] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... chdir resumed>) = 0 [pid 6221] <... futex resumed>) = 1 [pid 6218] <... futex resumed>) = 0 [pid 6222] ioctl(4, LOOP_CLR_FD [pid 6218] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... ioctl resumed>) = 0 [pid 6218] <... futex resumed>) = 0 [pid 6225] munmap(0x7fdb7f81d000, 138412032 [pid 6222] close(4 [pid 6218] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6225] <... munmap resumed>) = 0 [pid 6222] <... close resumed>) = 0 [pid 6221] sync( [pid 6226] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6219] <... futex resumed>) = 0 [pid 6222] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] <... futex resumed>) = 0 [pid 6219] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6226] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6225] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6219] <... futex resumed>) = 0 [pid 6225] <... openat resumed>) = 4 [pid 6222] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6227] <... write resumed>) = 524288 [pid 6226] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6225] ioctl(4, LOOP_SET_FD, 3 [pid 6222] <... mknod resumed>) = 0 [pid 6219] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6226] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6227] munmap(0x7fdb7f81d000, 138412032 [pid 6226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6225] <... ioctl resumed>) = 0 [pid 6222] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... sync resumed>) = 0 [pid 6220] <... sync resumed>) = 0 [pid 6227] <... munmap resumed>) = 0 [pid 6226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6225] close(3 [pid 6222] <... futex resumed>) = 1 [pid 6221] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = 0 [pid 6226] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6222] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6221] <... futex resumed>) = 1 [pid 6220] <... futex resumed>) = 1 [pid 6219] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] <... futex resumed>) = 0 [pid 6217] <... futex resumed>) = 0 [pid 6226] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6221] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6219] <... futex resumed>) = 0 [pid 6218] exit_group(0 [pid 6217] exit_group(0 [pid 6227] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6226] <... mprotect resumed>) = 0 [pid 6225] <... close resumed>) = 0 [pid 6221] <... futex resumed>) = ? [pid 6220] <... futex resumed>) = ? [pid 6219] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6218] <... exit_group resumed>) = ? [pid 6217] <... exit_group resumed>) = ? [pid 6227] <... openat resumed>) = 4 [pid 6225] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6221] +++ exited with 0 +++ [pid 6220] +++ exited with 0 +++ [pid 6227] ioctl(4, LOOP_SET_FD, 3 [pid 6225] <... mkdir resumed>) = 0 [pid 6222] <... open resumed>) = 4 [pid 6218] +++ exited with 0 +++ [pid 6226] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6222] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] +++ exited with 0 +++ [pid 6226] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6225] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6222] <... futex resumed>) = 1 [pid 6219] <... futex resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6218, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6217, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6226] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6219] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6228 attached [pid 6222] sync( [pid 6219] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6226] <... clone3 resumed> => {parent_tid=[6228]}, 88) = 6228 [pid 6228] <... rseq resumed>) = 0 [pid 6226] rt_sigprocmask(SIG_SETMASK, [], [pid 6228] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6226] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6228] <... set_robust_list resumed>) = 0 [pid 6226] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6228] rt_sigprocmask(SIG_SETMASK, [], [pid 6226] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 3 [pid 6228] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6226] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] newfstatat(3, "", [pid 5067] newfstatat(3, "", [pid 6227] <... ioctl resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6227] close(3 [pid 5069] getdents64(3, [pid 5067] getdents64(3, [pid 6228] memfd_create("syzkaller", 0 [pid 6227] <... close resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6228] <... memfd_create resumed>) = 3 [pid 6227] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [ 176.865956][ T6225] loop0: detected capacity change from 0 to 1024 [ 176.892323][ T6227] loop1: detected capacity change from 0 to 1024 [pid 6228] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 6227] <... mkdir resumed>) = 0 [pid 6225] <... mount resumed>) = 0 [pid 6225] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6227] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6225] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6225] ioctl(4, LOOP_CLR_FD) = 0 [pid 6225] close(4 [pid 6219] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6225] <... close resumed>) = 0 [pid 6225] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... mount resumed>) = 0 [pid 6225] <... futex resumed>) = 1 [pid 6223] <... futex resumed>) = 0 [pid 6227] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6225] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6223] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... openat resumed>) = 3 [pid 6225] <... mknod resumed>) = 0 [pid 6223] <... futex resumed>) = 0 [pid 6223] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6227] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6227] ioctl(4, LOOP_CLR_FD) = 0 [pid 6225] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] close(4 [pid 6225] <... futex resumed>) = 1 [pid 6223] <... futex resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 6228] 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"..., 524288 [pid 6227] <... close resumed>) = 0 [pid 6225] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6223] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... umount2 resumed>) = 0 [pid 6227] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] <... futex resumed>) = 0 [pid 6227] <... futex resumed>) = 1 [pid 6224] <... futex resumed>) = 0 [pid 6223] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6227] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6224] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... sync resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6224] <... futex resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6227] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6224] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6222] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6228] <... write resumed>) = 524288 [pid 6225] <... open resumed>) = 4 [pid 6219] exit_group(0 [pid 6228] munmap(0x7fdb7f81d000, 138412032 [pid 6227] <... mknod resumed>) = 0 [pid 6222] <... futex resumed>) = ? [pid 6219] <... exit_group resumed>) = ? [pid 5069] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6228] <... munmap resumed>) = 0 [pid 6225] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] +++ exited with 0 +++ [pid 6219] +++ exited with 0 +++ [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6228] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] openat(AT_FDCWD, "./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6228] <... openat resumed>) = 4 [pid 6225] <... futex resumed>) = 1 [pid 5069] <... openat resumed>) = 4 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6228] ioctl(4, LOOP_SET_FD, 3 [pid 5069] newfstatat(4, "", [pid 6227] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6223] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6219, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5067] newfstatat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6223] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6225] sync( [pid 6223] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6227] <... futex resumed>) = 1 [pid 6224] <... futex resumed>) = 0 [pid 6223] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] getdents64(4, [pid 5068] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6227] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6224] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6224] <... futex resumed>) = 0 [pid 5069] getdents64(4, [pid 5068] newfstatat(3, "", [pid 6224] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] openat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] getdents64(3, [pid 5067] <... openat resumed>) = 4 [pid 5069] close(4 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5067] newfstatat(4, "", [pid 6228] <... ioctl resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] rmdir("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6225] <... sync resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5067] getdents64(4, [pid 6228] close(3 [pid 5069] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6228] <... close resumed>) = 0 [pid 6228] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6227] <... open resumed>) = 4 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, [pid 6227] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6227] <... futex resumed>) = 1 [pid 6225] <... futex resumed>) = 1 [pid 6224] <... futex resumed>) = 0 [pid 6223] <... futex resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./92/binderfs", [pid 5068] <... umount2 resumed>) = 0 [pid 5067] close(4 [pid 6227] sync( [pid 6225] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6224] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6223] exit_group(0 [pid 5068] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... close resumed>) = 0 [pid 6228] <... mkdir resumed>) = 0 [pid 6224] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6225] <... futex resumed>) = ? [pid 6223] <... exit_group resumed>) = ? [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] rmdir("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6225] +++ exited with 0 +++ [pid 5069] unlink("./92/binderfs" [pid 5068] newfstatat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5067] <... rmdir resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6223] +++ exited with 0 +++ [pid 5069] <... unlink resumed>) = 0 [pid 5068] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] newfstatat(AT_FDCWD, "./93/binderfs", [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6223, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5068] <... openat resumed>) = 4 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 177.028013][ T6228] loop2: detected capacity change from 0 to 1024 [pid 5064] restart_syscall(<... resuming interrupted clone ...> [pid 5069] getdents64(3, [pid 5068] newfstatat(4, "", [pid 5067] unlink("./93/binderfs" [pid 5064] <... restart_syscall resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] close(3 [pid 6228] <... mount resumed>) = 0 [pid 6227] <... sync resumed>) = 0 [pid 5068] getdents64(4, [pid 5067] <... unlink resumed>) = 0 [pid 5064] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(3, [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(4, [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] close(3 [pid 5064] <... openat resumed>) = 3 [pid 5068] close(4 [pid 5067] <... close resumed>) = 0 [pid 5064] newfstatat(3, "", [pid 5068] <... close resumed>) = 0 [pid 5067] rmdir("./93" [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] rmdir("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] <... rmdir resumed>) = 0 [pid 5064] getdents64(3, [pid 6224] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... rmdir resumed>) = 0 [pid 5067] mkdir("./94", 0777) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6228] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5064] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6228] <... openat resumed>) = 3 [pid 6227] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6224] exit_group(0 [pid 5068] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6228] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6224] <... exit_group resumed>) = ? [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 3 [pid 6228] <... chdir resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5069] rmdir("./92" [pid 5068] newfstatat(AT_FDCWD, "./94/binderfs", [pid 6228] ioctl(4, LOOP_CLR_FD [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6228] <... ioctl resumed>) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5064] <... umount2 resumed>) = 0 [pid 6228] close(4 [pid 5068] unlink("./94/binderfs" [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6228] <... close resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5067] close(3 [pid 6228] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5069] mkdir("./93", 0777 [pid 5067] <... close resumed>) = 0 [pid 6228] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... mkdir resumed>) = 0 [pid 5068] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6227] +++ exited with 0 +++ [pid 6226] <... futex resumed>) = 0 [pid 6224] +++ exited with 0 +++ [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5068] close(3 [pid 6226] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] rmdir("./94" [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6229 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6224, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5064] newfstatat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5068] <... rmdir resumed>) = 0 [pid 5065] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6229 attached [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6229] set_robust_list(0x5555556c56a0, 24 [pid 5068] mkdir("./95", 0777 [pid 5065] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... mkdir resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 6229] <... set_robust_list resumed>) = 0 [pid 5065] newfstatat(3, "", [pid 5064] openat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6229] chdir("./94" [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6229] <... chdir resumed>) = 0 [pid 5064] <... openat resumed>) = 4 [pid 6229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] getdents64(3, [pid 6229] <... prctl resumed>) = 0 [pid 6229] setpgid(0, 0 [pid 6228] <... futex resumed>) = 0 [pid 6226] <... futex resumed>) = 1 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5064] newfstatat(4, "", [pid 6229] <... setpgid resumed>) = 0 [pid 6228] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6226] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... openat resumed>) = 3 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6228] <... mknod resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5065] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] getdents64(4, [pid 6229] <... openat resumed>) = 3 [pid 6228] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] close(3 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6229] write(3, "1000", 4 [pid 6228] <... futex resumed>) = 1 [pid 6226] <... futex resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5068] close(3 [pid 6229] <... write resumed>) = 4 [pid 6228] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6226] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... close resumed>) = 0 [pid 5064] getdents64(4, [pid 6229] close(3 [pid 6226] <... futex resumed>) = 0 [pid 6226] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6229] <... close resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6229] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6230 [pid 5064] close(4./strace-static-x86_64: Process 6230 attached [pid 6229] <... symlink resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5064] rmdir("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6230] set_robust_list(0x5555556c56a0, 24) = 0 [pid 6230] chdir("./93" [pid 5065] <... umount2 resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6231 attached [pid 6230] <... chdir resumed>) = 0 [pid 6229] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] <... open resumed>) = 4 [pid 5065] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6231] set_robust_list(0x5555556c56a0, 24 [pid 6230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6229] <... futex resumed>) = 0 [pid 6228] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6231 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6231] <... set_robust_list resumed>) = 0 [pid 6230] <... prctl resumed>) = 0 [pid 6229] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6228] <... futex resumed>) = 1 [pid 6226] <... futex resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6231] chdir("./95" [pid 6230] setpgid(0, 0 [pid 6229] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6228] sync( [pid 6226] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... chdir resumed>) = 0 [pid 6230] <... setpgid resumed>) = 0 [pid 6229] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6226] <... futex resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] newfstatat(AT_FDCWD, "./93/binderfs", [pid 6230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6226] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6230] <... openat resumed>) = 3 [pid 6229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] unlink("./93/binderfs" [pid 6231] <... prctl resumed>) = 0 [pid 6229] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6231] setpgid(0, 0 [pid 6229] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5065] openat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6231] <... setpgid resumed>) = 0 [pid 6230] write(3, "1000", 4 [pid 6229] <... mprotect resumed>) = 0 [pid 5065] <... openat resumed>) = 4 [pid 5064] <... unlink resumed>) = 0 [pid 6231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6230] <... write resumed>) = 4 [pid 6229] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] newfstatat(4, "", [pid 6230] close(3 [pid 6229] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] getdents64(3, [pid 6231] <... openat resumed>) = 3 [pid 6230] <... close resumed>) = 0 [pid 6229] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 6232 attached [pid 6230] symlink("/dev/binderfs", "./binderfs" [pid 5065] getdents64(4, [pid 6232] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6232] <... rseq resumed>) = 0 [pid 6231] write(3, "1000", 4 [pid 6230] <... symlink resumed>) = 0 [pid 6229] <... clone3 resumed> => {parent_tid=[6232]}, 88) = 6232 [pid 5064] close(3 [pid 6232] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6230] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] getdents64(4, [pid 5064] <... close resumed>) = 0 [pid 6232] <... set_robust_list resumed>) = 0 [pid 6230] <... futex resumed>) = 0 [pid 6229] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] rmdir("./93" [pid 6232] rt_sigprocmask(SIG_SETMASK, [], [pid 6231] <... write resumed>) = 4 [pid 6230] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6229] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] close(4 [pid 6232] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6230] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6229] <... futex resumed>) = 0 [pid 6228] <... sync resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 6232] memfd_create("syzkaller", 0 [pid 6230] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6229] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6228] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... close resumed>) = 0 [pid 5065] rmdir("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6232] <... memfd_create resumed>) = 3 [pid 6230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6228] <... futex resumed>) = 1 [pid 6226] <... futex resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 6232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6228] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] exit_group(0 [pid 5064] mkdir("./94", 0777 [pid 6226] <... exit_group resumed>) = ? [pid 6230] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6232] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6231] close(3 [pid 6228] <... futex resumed>) = ? [pid 5065] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... mkdir resumed>) = 0 [pid 6232] 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"..., 524288 [pid 6231] <... close resumed>) = 0 [pid 6230] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6228] +++ exited with 0 +++ [pid 6226] +++ exited with 0 +++ [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6231] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6230] <... mprotect resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6226, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5065] newfstatat(AT_FDCWD, "./93/binderfs", [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6231] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5065] unlink("./93/binderfs" [pid 5064] ioctl(3, LOOP_CLR_FD [pid 6231] <... futex resumed>) = 0 [pid 5066] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... unlink resumed>) = 0 [pid 5064] <... ioctl resumed>) = 0 [pid 6231] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6231] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6230] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5066] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] getdents64(3, [pid 5064] close(3 [pid 6231] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6230] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5066] <... openat resumed>) = 3 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] <... close resumed>) = 0 ./strace-static-x86_64: Process 6233 attached [pid 6232] <... write resumed>) = 524288 [pid 6231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] newfstatat(3, "", [pid 5065] close(3 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(3, [pid 5065] <... close resumed>) = 0 [pid 6231] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5065] rmdir("./93" [pid 6233] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6231] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... rmdir resumed>) = 0 [pid 6231] <... mprotect resumed>) = 0 [pid 5066] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6233] <... rseq resumed>) = 0 [pid 6230] <... clone3 resumed> => {parent_tid=[6233]}, 88) = 6233 [pid 5065] mkdir("./94", 0777 [pid 6231] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6233] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6231] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6230] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] <... mkdir resumed>) = 0 [pid 6233] <... set_robust_list resumed>) = 0 [pid 6231] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6230] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6233] rt_sigprocmask(SIG_SETMASK, [], [pid 6230] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6234 [pid 6233] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6230] <... futex resumed>) = 0 [pid 6233] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6234 attached ) = 3 [pid 6230] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5065] <... openat resumed>) = 3 [pid 6233] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6233] 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"..., 524288 [pid 6234] set_robust_list(0x5555556c56a0, 24 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 6234] <... set_robust_list resumed>) = 0 [pid 5065] <... ioctl resumed>) = 0 [pid 6234] chdir("./94" [pid 6231] <... clone3 resumed> => {parent_tid=[6235]}, 88) = 6235 [pid 6234] <... chdir resumed>) = 0 [pid 6234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6234] setpgid(0, 0 [pid 6231] rt_sigprocmask(SIG_SETMASK, [], [pid 6234] <... setpgid resumed>) = 0 [pid 6234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6235 attached ) = 3 [pid 6232] munmap(0x7fdb7f81d000, 138412032 [pid 6231] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6235] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6234] write(3, "1000", 4 [pid 6232] <... munmap resumed>) = 0 [pid 6231] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... umount2 resumed>) = 0 [pid 5065] close(3 [pid 6235] <... rseq resumed>) = 0 [pid 6231] <... futex resumed>) = 0 [pid 6235] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6234] <... write resumed>) = 4 [pid 6231] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6235] <... set_robust_list resumed>) = 0 [pid 6234] close(3) = 0 [pid 6234] symlink("/dev/binderfs", "./binderfs" [pid 6235] rt_sigprocmask(SIG_SETMASK, [], [pid 5065] <... close resumed>) = 0 [pid 6235] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6234] <... symlink resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6235] memfd_create("syzkaller", 0) = 3 [pid 6232] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5066] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6235] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 6234] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6234] <... futex resumed>) = 0 [pid 6232] <... openat resumed>) = 4 [pid 6234] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, ./strace-static-x86_64: Process 6236 attached NULL, 8) = 0 [pid 6234] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6236 [pid 6234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6236] set_robust_list(0x5555556c56a0, 24 [pid 6234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5066] newfstatat(AT_FDCWD, "./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6232] ioctl(4, LOOP_SET_FD, 3 [pid 6236] <... set_robust_list resumed>) = 0 [pid 6234] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6233] <... write resumed>) = 524288 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6236] chdir("./94" [pid 6234] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6236] <... chdir resumed>) = 0 [pid 6234] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6233] munmap(0x7fdb7f81d000, 138412032 [pid 6236] <... prctl resumed>) = 0 [pid 6234] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6233] <... munmap resumed>) = 0 [pid 6236] setpgid(0, 0 [pid 6234] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6236] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6237 attached [pid 6237] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6234] <... clone3 resumed> => {parent_tid=[6237]}, 88) = 6237 [pid 6233] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5066] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6237] <... rseq resumed>) = 0 [pid 6236] <... openat resumed>) = 3 [pid 6235] 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"..., 524288 [pid 6234] rt_sigprocmask(SIG_SETMASK, [], [pid 6233] <... openat resumed>) = 4 [pid 6237] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6237] <... set_robust_list resumed>) = 0 [pid 6234] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6237] rt_sigprocmask(SIG_SETMASK, [], [pid 6236] write(3, "1000", 4 [pid 6234] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] ioctl(4, LOOP_SET_FD, 3 [pid 5066] openat(AT_FDCWD, "./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6237] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6237] memfd_create("syzkaller", 0) = 3 [pid 6236] <... write resumed>) = 4 [pid 6234] <... futex resumed>) = 0 [pid 5066] <... openat resumed>) = 4 [pid 6236] close(3) = 0 [pid 6236] symlink("/dev/binderfs", "./binderfs" [pid 6237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6236] <... symlink resumed>) = 0 [pid 6234] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5066] newfstatat(4, "", [pid 6237] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6236] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] 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"..., 524288 [pid 6236] <... futex resumed>) = 0 [pid 6236] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 6236] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 6236] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6236] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6232] <... ioctl resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6236] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6233] <... ioctl resumed>) = 0 [pid 6236] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6235] <... write resumed>) = 524288 [pid 6233] close(3 [pid 6232] close(3 [pid 5066] getdents64(4, [pid 6235] munmap(0x7fdb7f81d000, 138412032 [pid 6232] <... close resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6238 attached [pid 6237] <... write resumed>) = 524288 [pid 6235] <... munmap resumed>) = 0 [pid 6233] <... close resumed>) = 0 [pid 6232] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5066] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6238] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6232] <... mkdir resumed>) = 0 [ 177.351270][ T6232] loop3: detected capacity change from 0 to 1024 [ 177.374130][ T6233] loop5: detected capacity change from 0 to 1024 [pid 5066] close(4 [pid 6238] <... rseq resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 6238] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5066] rmdir("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6238] <... set_robust_list resumed>) = 0 [pid 6235] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6232] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6238] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6236] <... clone3 resumed> => {parent_tid=[6238]}, 88) = 6238 [pid 6235] <... openat resumed>) = 4 [pid 6233] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5066] <... rmdir resumed>) = 0 [pid 6238] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6236] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6235] ioctl(4, LOOP_SET_FD, 3 [pid 6233] <... mkdir resumed>) = 0 [pid 5066] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6236] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... futex resumed>) = 0 [pid 6236] <... futex resumed>) = 1 [pid 6238] memfd_create("syzkaller", 0 [pid 6236] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6238] <... memfd_create resumed>) = 3 [pid 6238] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 6233] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(AT_FDCWD, "./91/binderfs", [pid 6232] <... mount resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6238] 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"..., 524288 [pid 6237] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 6237] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5066] unlink("./91/binderfs" [pid 6235] <... ioctl resumed>) = 0 [pid 6232] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6237] <... openat resumed>) = 4 [pid 6235] close(3 [pid 6232] <... openat resumed>) = 3 [pid 5066] <... unlink resumed>) = 0 [pid 6237] ioctl(4, LOOP_SET_FD, 3 [pid 6235] <... close resumed>) = 0 [pid 6232] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] getdents64(3, [pid 6235] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6232] <... chdir resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6235] <... mkdir resumed>) = 0 [pid 6232] ioctl(4, LOOP_CLR_FD [pid 5066] close(3 [pid 6235] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6232] <... ioctl resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 6232] close(4 [pid 5066] rmdir("./91" [pid 6232] <... close resumed>) = 0 [pid 6233] <... mount resumed>) = 0 [pid 6232] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... rmdir resumed>) = 0 [pid 6232] <... futex resumed>) = 1 [pid 6232] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] mkdir("./92", 0777 [pid 6233] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5066] <... mkdir resumed>) = 0 [pid 6238] <... write resumed>) = 524288 [pid 6233] <... openat resumed>) = 3 [pid 6229] <... futex resumed>) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6229] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6238] munmap(0x7fdb7f81d000, 138412032 [pid 6237] <... ioctl resumed>) = 0 [pid 6229] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] close(3 [pid 6233] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6232] <... futex resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 6237] <... close resumed>) = 0 [pid 6232] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5066] ioctl(3, LOOP_CLR_FD [ 177.429916][ T6235] loop4: detected capacity change from 0 to 1024 [ 177.463191][ T6237] loop0: detected capacity change from 0 to 1024 [pid 6237] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6233] <... chdir resumed>) = 0 [pid 6238] <... munmap resumed>) = 0 [pid 6237] <... mkdir resumed>) = 0 [pid 6235] <... mount resumed>) = 0 [pid 6232] <... mknod resumed>) = 0 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6238] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6237] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6235] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6233] ioctl(4, LOOP_CLR_FD [pid 6232] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] close(3 [pid 6238] <... openat resumed>) = 4 [pid 6235] <... openat resumed>) = 3 [pid 5066] <... close resumed>) = 0 [pid 6238] ioctl(4, LOOP_SET_FD, 3 [pid 6235] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6233] <... ioctl resumed>) = 0 [pid 6232] <... futex resumed>) = 1 [pid 6229] <... futex resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6235] <... chdir resumed>) = 0 [pid 6233] close(4 [pid 6232] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6229] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6239 attached [pid 6235] ioctl(4, LOOP_CLR_FD [pid 6233] <... close resumed>) = 0 [pid 6232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6229] <... futex resumed>) = 0 [pid 6239] set_robust_list(0x5555556c56a0, 24 [pid 6235] <... ioctl resumed>) = 0 [pid 6233] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6239 [pid 6235] close(4 [pid 6233] <... futex resumed>) = 1 [pid 6237] <... mount resumed>) = 0 [pid 6235] <... close resumed>) = 0 [pid 6233] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6230] <... futex resumed>) = 0 [pid 6229] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6235] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... openat resumed>) = 3 [pid 6233] <... futex resumed>) = 0 [pid 6230] <... futex resumed>) = 1 [pid 6237] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6235] <... futex resumed>) = 1 [pid 6233] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6231] <... futex resumed>) = 0 [pid 6237] <... chdir resumed>) = 0 [pid 6235] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6233] <... mknod resumed>) = 0 [pid 6232] <... open resumed>) = 4 [pid 6231] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] <... set_robust_list resumed>) = 0 [pid 6237] ioctl(4, LOOP_CLR_FD [pid 6235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6232] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... futex resumed>) = 0 [pid 6239] chdir("./92" [pid 6238] <... ioctl resumed>) = 0 [pid 6237] <... ioctl resumed>) = 0 [pid 6235] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6233] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] <... futex resumed>) = 1 [pid 6231] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6229] <... futex resumed>) = 0 [pid 6238] close(3 [pid 6237] close(4 [pid 6233] <... futex resumed>) = 1 [pid 6230] <... futex resumed>) = 0 [pid 6229] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] <... chdir resumed>) = 0 [pid 6238] <... close resumed>) = 0 [pid 6235] <... mknod resumed>) = 0 [pid 6232] sync( [pid 6229] <... futex resumed>) = 0 [pid 6238] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6237] <... close resumed>) = 0 [pid 6230] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6238] <... mkdir resumed>) = 0 [pid 6237] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... futex resumed>) = 0 [pid 6237] <... futex resumed>) = 1 [pid 6234] <... futex resumed>) = 0 [pid 6230] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6234] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... mknod resumed>) = 0 [pid 6234] <... futex resumed>) = 0 [pid 6233] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6234] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6238] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6237] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... open resumed>) = 4 [pid 6239] <... prctl resumed>) = 0 [pid 6237] <... futex resumed>) = 1 [pid 6234] <... futex resumed>) = 0 [pid 6233] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... futex resumed>) = 1 [ 177.521352][ T6238] loop1: detected capacity change from 0 to 1024 [pid 6231] <... futex resumed>) = 0 [pid 6239] setpgid(0, 0 [pid 6238] <... mount resumed>) = 0 [pid 6237] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6235] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6234] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... futex resumed>) = 1 [pid 6231] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... futex resumed>) = 0 [pid 6239] <... setpgid resumed>) = 0 [pid 6238] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6234] <... futex resumed>) = 0 [pid 6233] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] <... futex resumed>) = 0 [pid 6230] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6238] <... openat resumed>) = 3 [pid 6234] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6231] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] <... futex resumed>) = 0 [pid 6233] sync( [pid 6230] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] <... openat resumed>) = 3 [pid 6238] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6237] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6239] write(3, "1000", 4 [pid 6238] <... chdir resumed>) = 0 [pid 6239] <... write resumed>) = 4 [pid 6238] ioctl(4, LOOP_CLR_FD [pid 6239] close(3 [pid 6238] <... ioctl resumed>) = 0 [pid 6238] close(4) = 0 [pid 6238] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] <... close resumed>) = 0 [pid 6238] <... futex resumed>) = 1 [pid 6236] <... futex resumed>) = 0 [pid 6229] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6239] symlink("/dev/binderfs", "./binderfs" [pid 6238] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6236] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... mknod resumed>) = 0 [pid 6236] <... futex resumed>) = 0 [pid 6236] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] <... symlink resumed>) = 0 [pid 6237] <... open resumed>) = 4 [pid 6238] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] <... futex resumed>) = 1 [pid 6237] <... futex resumed>) = 1 [pid 6236] <... futex resumed>) = 0 [pid 6234] <... futex resumed>) = 0 [pid 6239] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6237] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6236] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... open resumed>) = 4 [pid 6234] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... futex resumed>) = 0 [pid 6234] <... futex resumed>) = 0 [pid 6239] <... futex resumed>) = 0 [pid 6235] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6236] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6234] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6237] sync( [pid 6238] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6235] <... futex resumed>) = 1 [pid 6231] <... futex resumed>) = 0 [pid 6239] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 6235] sync( [pid 6231] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6239] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6231] <... futex resumed>) = 0 [pid 6239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6231] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 6239] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6230] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6239] <... mprotect resumed>) = 0 [pid 6239] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6239] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6238] <... open resumed>) = 4 ./strace-static-x86_64: Process 6240 attached [pid 6238] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... sync resumed>) = 0 [pid 6232] <... sync resumed>) = 0 [pid 6240] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6239] <... clone3 resumed> => {parent_tid=[6240]}, 88) = 6240 [pid 6238] <... futex resumed>) = 1 [pid 6237] <... sync resumed>) = 0 [pid 6236] <... futex resumed>) = 0 [pid 6235] <... sync resumed>) = 0 [pid 6233] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] exit_group(0 [pid 6229] exit_group(0 [pid 6240] <... rseq resumed>) = 0 [pid 6239] rt_sigprocmask(SIG_SETMASK, [], [pid 6238] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6237] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... futex resumed>) = ? [pid 6232] <... futex resumed>) = ? [pid 6230] <... exit_group resumed>) = ? [pid 6229] <... exit_group resumed>) = ? [pid 6240] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6239] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6238] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6237] <... futex resumed>) = 1 [pid 6236] <... futex resumed>) = 0 [pid 6235] <... futex resumed>) = 1 [pid 6234] <... futex resumed>) = 0 [pid 6231] <... futex resumed>) = 0 [pid 6240] <... set_robust_list resumed>) = 0 [pid 6239] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6238] sync( [pid 6236] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6234] exit_group(0 [pid 6231] exit_group(0 [pid 6240] rt_sigprocmask(SIG_SETMASK, [], [pid 6239] <... futex resumed>) = 0 [pid 6238] <... sync resumed>) = 0 [pid 6235] <... futex resumed>) = ? [pid 6234] <... exit_group resumed>) = ? [pid 6233] +++ exited with 0 +++ [pid 6231] <... exit_group resumed>) = ? [pid 6230] +++ exited with 0 +++ [pid 6240] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6239] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6238] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] +++ exited with 0 +++ [pid 6235] +++ exited with 0 +++ [pid 6234] +++ exited with 0 +++ [pid 6232] +++ exited with 0 +++ [pid 6231] +++ exited with 0 +++ [pid 6229] +++ exited with 0 +++ [pid 6240] memfd_create("syzkaller", 0 [pid 6238] <... futex resumed>) = 1 [pid 6236] <... futex resumed>) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6230, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6240] <... memfd_create resumed>) = 3 [pid 6238] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6236] exit_group(0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6231, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6229, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6240] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6238] <... futex resumed>) = ? [pid 6236] <... exit_group resumed>) = ? [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5064] restart_syscall(<... resuming interrupted clone ...> [pid 6240] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6238] +++ exited with 0 +++ [pid 5064] <... restart_syscall resumed>) = 0 [pid 5067] <... restart_syscall resumed>) = 0 [pid 6240] 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"..., 524288 [pid 6236] +++ exited with 0 +++ [pid 5068] <... restart_syscall resumed>) = 0 [pid 5067] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6236, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5069] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... openat resumed>) = 3 [pid 5064] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] newfstatat(3, "", [pid 5065] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... openat resumed>) = 3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] newfstatat(3, "", [pid 5069] <... openat resumed>) = 3 [pid 5068] <... openat resumed>) = 3 [pid 5067] getdents64(3, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(3, "", [pid 5068] newfstatat(3, "", [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] getdents64(3, [pid 5069] getdents64(3, [pid 5068] getdents64(3, [pid 5065] <... openat resumed>) = 3 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6240] <... write resumed>) = 524288 [pid 5069] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(3, "", [pid 6240] munmap(0x7fdb7f81d000, 138412032 [pid 5068] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6240] <... munmap resumed>) = 0 [pid 5067] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6240] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] <... umount2 resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 5068] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... umount2 resumed>) = 0 [pid 5069] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5069] newfstatat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] newfstatat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] openat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] openat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6240] <... openat resumed>) = 4 [pid 5069] <... openat resumed>) = 4 [pid 5068] <... openat resumed>) = 4 [pid 5067] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6240] ioctl(4, LOOP_SET_FD, 3 [pid 5069] newfstatat(4, "", [pid 5068] newfstatat(4, "", [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] openat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] getdents64(4, [pid 5068] getdents64(4, [pid 5067] <... openat resumed>) = 4 [pid 5065] <... openat resumed>) = 4 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(4, [pid 5068] getdents64(4, [pid 5067] newfstatat(4, "", [pid 5065] newfstatat(4, "", [pid 5064] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] close(4 [pid 5069] <... close resumed>) = 0 [pid 5065] getdents64(4, [pid 5069] rmdir("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] <... close resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] rmdir("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] getdents64(4, [pid 5064] newfstatat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] close(4) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] rmdir("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] openat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... rmdir resumed>) = 0 [pid 5064] <... openat resumed>) = 4 [pid 5067] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5069] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] getdents64(4, [pid 5064] getdents64(4, [pid 5067] newfstatat(AT_FDCWD, "./94/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] unlink("./94/binderfs" [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] close(4 [pid 5067] <... unlink resumed>) = 0 [pid 5065] close(4 [pid 5064] <... close resumed>) = 0 [pid 6240] <... ioctl resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 5065] <... close resumed>) = 0 [pid 5064] rmdir("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6240] close(3 [pid 5069] newfstatat(AT_FDCWD, "./93/binderfs", [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6240] <... close resumed>) = 0 [pid 6240] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] newfstatat(AT_FDCWD, "./95/binderfs", [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] rmdir("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5064] <... rmdir resumed>) = 0 [pid 6240] <... mkdir resumed>) = 0 [pid 5069] unlink("./93/binderfs" [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] close(3 [pid 5065] <... rmdir resumed>) = 0 [pid 5064] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... unlink resumed>) = 0 [pid 5068] unlink("./95/binderfs" [pid 5067] <... close resumed>) = 0 [pid 5065] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] rmdir("./94" [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./94/binderfs", [pid 5067] <... rmdir resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./94/binderfs", [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] unlink("./94/binderfs" [pid 5065] unlink("./94/binderfs" [pid 5064] <... unlink resumed>) = 0 [pid 5067] mkdir("./95", 0777 [pid 5065] <... unlink resumed>) = 0 [pid 5064] getdents64(3, [pid 5069] getdents64(3, [pid 5068] <... unlink resumed>) = 0 [pid 5067] <... mkdir resumed>) = 0 [pid 5065] getdents64(3, [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6240] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [ 177.780013][ T6240] loop2: detected capacity change from 0 to 1024 [pid 5068] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] close(3 [pid 5065] close(3 [pid 5064] <... close resumed>) = 0 [pid 5068] close(3 [pid 5065] <... close resumed>) = 0 [pid 5069] close(3 [pid 5065] rmdir("./94" [pid 5064] rmdir("./94" [pid 5065] <... rmdir resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5069] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5065] mkdir("./95", 0777 [pid 5064] mkdir("./95", 0777 [pid 5069] rmdir("./93" [pid 5068] rmdir("./95" [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5065] <... mkdir resumed>) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 6240] <... mount resumed>) = 0 [pid 5069] mkdir("./94", 0777 [pid 5068] mkdir("./96", 0777 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] close(3 [pid 5068] <... mkdir resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5069] <... mkdir resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5064] ioctl(3, LOOP_CLR_FD [pid 6240] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5068] <... openat resumed>) = 3 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... openat resumed>) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 6240] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] <... ioctl resumed>) = 0 [pid 5064] close(3 [pid 5068] close(3 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 5068] <... close resumed>) = 0 [pid 5065] close(3 [pid 5064] <... close resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... close resumed>) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6240] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] <... close resumed>) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6241 ./strace-static-x86_64: Process 6241 attached [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6244 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6243 ./strace-static-x86_64: Process 6244 attached ./strace-static-x86_64: Process 6243 attached ./strace-static-x86_64: Process 6242 attached [pid 6241] set_robust_list(0x5555556c56a0, 24 [pid 6240] <... chdir resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6242 [pid 6242] set_robust_list(0x5555556c56a0, 24 [pid 6240] ioctl(4, LOOP_CLR_FD [pid 6244] set_robust_list(0x5555556c56a0, 24 [pid 6240] <... ioctl resumed>) = 0 [pid 6244] <... set_robust_list resumed>) = 0 [pid 6243] set_robust_list(0x5555556c56a0, 24) = 0 [pid 6241] <... set_robust_list resumed>) = 0 [pid 6244] chdir("./95" [pid 6243] chdir("./95" [pid 6242] <... set_robust_list resumed>) = 0 [pid 6241] chdir("./95" [pid 6244] <... chdir resumed>) = 0 [pid 6242] chdir("./96" [pid 6241] <... chdir resumed>) = 0 [pid 6240] close(4 [pid 6244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6243] <... chdir resumed>) = 0 [pid 6241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6240] <... close resumed>) = 0 [pid 6244] <... prctl resumed>) = 0 [pid 6243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6242] <... chdir resumed>) = 0 [pid 6241] <... prctl resumed>) = 0 [pid 6240] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6244] setpgid(0, 0 [pid 6243] <... prctl resumed>) = 0 [pid 6242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6241] setpgid(0, 0 [pid 6240] <... futex resumed>) = 1 [pid 6239] <... futex resumed>) = 0 [pid 6244] <... setpgid resumed>) = 0 [pid 6239] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6239] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] setpgid(0, 0 [pid 6241] <... setpgid resumed>) = 0 [pid 6243] <... setpgid resumed>) = 0 [pid 6241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6241] <... openat resumed>) = 3 [pid 6243] <... openat resumed>) = 3 [pid 6243] write(3, "1000", 4 [pid 6241] write(3, "1000", 4 [pid 6243] <... write resumed>) = 4 [pid 6241] <... write resumed>) = 4 [pid 6243] close(3 [pid 6241] close(3 [pid 6243] <... close resumed>) = 0 [pid 6241] <... close resumed>) = 0 ./strace-static-x86_64: Process 6245 attached [pid 6244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6243] symlink("/dev/binderfs", "./binderfs" [pid 6242] <... prctl resumed>) = 0 [pid 6240] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6245] set_robust_list(0x5555556c56a0, 24 [pid 6244] <... openat resumed>) = 3 [pid 6242] setpgid(0, 0 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6245 [pid 6245] <... set_robust_list resumed>) = 0 [pid 6244] write(3, "1000", 4 [pid 6243] <... symlink resumed>) = 0 [pid 6242] <... setpgid resumed>) = 0 [pid 6241] symlink("/dev/binderfs", "./binderfs" [pid 6240] <... mknod resumed>) = 0 [pid 6245] chdir("./94" [pid 6244] <... write resumed>) = 4 [pid 6242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6241] <... symlink resumed>) = 0 [pid 6240] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] close(3 [pid 6243] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... close resumed>) = 0 [pid 6243] <... futex resumed>) = 0 [pid 6242] <... openat resumed>) = 3 [pid 6241] <... futex resumed>) = 0 [pid 6240] <... futex resumed>) = 1 [pid 6239] <... futex resumed>) = 0 [pid 6244] symlink("/dev/binderfs", "./binderfs" [pid 6243] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6242] write(3, "1000", 4 [pid 6241] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6240] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6239] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... chdir resumed>) = 0 [pid 6244] <... symlink resumed>) = 0 [pid 6243] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6242] <... write resumed>) = 4 [pid 6241] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6239] <... futex resumed>) = 0 [pid 6244] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6242] close(3 [pid 6241] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6240] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6239] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6244] <... futex resumed>) = 0 [pid 6243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6242] <... close resumed>) = 0 [pid 6241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6244] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6242] symlink("/dev/binderfs", "./binderfs" [pid 6241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6245] <... prctl resumed>) = 0 [pid 6244] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6243] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6241] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6245] setpgid(0, 0 [pid 6244] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6243] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6242] <... symlink resumed>) = 0 [pid 6241] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6245] <... setpgid resumed>) = 0 [pid 6244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6243] <... mprotect resumed>) = 0 [pid 6242] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] <... mprotect resumed>) = 0 [pid 6245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6243] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6242] <... futex resumed>) = 0 [pid 6241] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6245] <... openat resumed>) = 3 [pid 6244] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6243] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6242] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6240] <... open resumed>) = 4 [pid 6241] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6244] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6243] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6242] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6241] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6245] write(3, "1000", 4 [pid 6244] <... mprotect resumed>) = 0 [pid 6242] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6240] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6247 attached ./strace-static-x86_64: Process 6246 attached [pid 6245] <... write resumed>) = 4 [pid 6244] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6240] <... futex resumed>) = 1 [pid 6239] <... futex resumed>) = 0 [pid 6247] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6246] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6245] close(3 [pid 6244] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6243] <... clone3 resumed> => {parent_tid=[6247]}, 88) = 6247 [pid 6242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6241] <... clone3 resumed> => {parent_tid=[6246]}, 88) = 6246 [pid 6240] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6239] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... rseq resumed>) = 0 [pid 6246] <... rseq resumed>) = 0 [pid 6245] <... close resumed>) = 0 [pid 6244] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6243] rt_sigprocmask(SIG_SETMASK, [], [pid 6242] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6241] rt_sigprocmask(SIG_SETMASK, [], [pid 6240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6239] <... futex resumed>) = 0 [pid 6247] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6246] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6245] symlink("/dev/binderfs", "./binderfs" [pid 6242] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6240] sync( [pid 6239] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6248 attached [pid 6247] <... set_robust_list resumed>) = 0 [pid 6246] <... set_robust_list resumed>) = 0 [pid 6245] <... symlink resumed>) = 0 [pid 6244] <... clone3 resumed> => {parent_tid=[6248]}, 88) = 6248 [pid 6243] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6242] <... mprotect resumed>) = 0 [pid 6241] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6248] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6247] rt_sigprocmask(SIG_SETMASK, [], [pid 6246] rt_sigprocmask(SIG_SETMASK, [], [pid 6245] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] rt_sigprocmask(SIG_SETMASK, [], [pid 6243] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6241] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... rseq resumed>) = 0 [pid 6247] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6246] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6245] <... futex resumed>) = 0 [pid 6244] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6243] <... futex resumed>) = 0 [pid 6242] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6241] <... futex resumed>) = 0 [pid 6248] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6247] memfd_create("syzkaller", 0 [pid 6246] memfd_create("syzkaller", 0 [pid 6245] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6244] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6244] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6247] <... memfd_create resumed>) = 3 [pid 6246] <... memfd_create resumed>) = 3 [pid 6242] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6248] <... set_robust_list resumed>) = 0 [pid 6246] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6243] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6248] rt_sigprocmask(SIG_SETMASK, [], [pid 6247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6246] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6245] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6241] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6248] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6245] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6247] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6245] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6249 attached [pid 6248] memfd_create("syzkaller", 0 [pid 6247] 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"..., 524288 [pid 6245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6242] <... clone3 resumed> => {parent_tid=[6249]}, 88) = 6249 [pid 6249] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6248] <... memfd_create resumed>) = 3 [pid 6242] rt_sigprocmask(SIG_SETMASK, [], [pid 6249] <... rseq resumed>) = 0 [pid 6248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6249] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6248] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6246] 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"..., 524288 [pid 6245] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6242] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6249] <... set_robust_list resumed>) = 0 [pid 6245] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6242] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... mprotect resumed>) = 0 [pid 6242] <... futex resumed>) = 0 [pid 6245] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6242] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6245] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6245] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6239] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6249] rt_sigprocmask(SIG_SETMASK, [], [pid 6245] <... clone3 resumed> => {parent_tid=[6250]}, 88) = 6250 [pid 6245] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6250 attached [pid 6249] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6248] 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"..., 524288 [pid 6250] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6249] memfd_create("syzkaller", 0 [pid 6245] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6250] <... rseq resumed>) = 0 [pid 6249] <... memfd_create resumed>) = 3 [pid 6246] <... write resumed>) = 524288 [pid 6245] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6250] <... set_robust_list resumed>) = 0 [pid 6246] munmap(0x7fdb7f81d000, 138412032 [pid 6250] rt_sigprocmask(SIG_SETMASK, [], [pid 6249] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6250] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6250] memfd_create("syzkaller", 0 [pid 6249] 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"..., 524288 [pid 6245] <... futex resumed>) = 0 [pid 6250] <... memfd_create resumed>) = 3 [pid 6250] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 6248] <... write resumed>) = 524288 [pid 6246] <... munmap resumed>) = 0 [pid 6245] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6240] <... sync resumed>) = 0 [pid 6240] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6240] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6239] exit_group(0 [pid 6250] 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"..., 524288 [pid 6246] <... openat resumed>) = 4 [pid 6240] <... futex resumed>) = ? [pid 6239] <... exit_group resumed>) = ? [pid 6246] ioctl(4, LOOP_SET_FD, 3 [pid 6247] <... write resumed>) = 524288 [pid 6240] +++ exited with 0 +++ [pid 6239] +++ exited with 0 +++ [pid 6247] munmap(0x7fdb7f81d000, 138412032 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6239, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6247] <... munmap resumed>) = 0 [pid 5066] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6247] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6248] munmap(0x7fdb7f81d000, 138412032 [pid 5066] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6248] <... munmap resumed>) = 0 [pid 6247] <... openat resumed>) = 4 [pid 5066] <... openat resumed>) = 3 [pid 6246] <... ioctl resumed>) = 0 [pid 5066] newfstatat(3, "", [pid 6246] close(3 [pid 6249] <... write resumed>) = 524288 [pid 6247] ioctl(4, LOOP_SET_FD, 3 [pid 6246] <... close resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6250] <... write resumed>) = 524288 [pid 6246] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5066] getdents64(3, [pid 6250] munmap(0x7fdb7f81d000, 138412032 [pid 6248] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6248] ioctl(4, LOOP_SET_FD, 3 [pid 6250] <... munmap resumed>) = 0 [pid 6246] <... mkdir resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6250] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5066] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6250] <... openat resumed>) = 4 [pid 6249] munmap(0x7fdb7f81d000, 138412032 [pid 6250] ioctl(4, LOOP_SET_FD, 3 [pid 6249] <... munmap resumed>) = 0 [ 178.088787][ T6246] loop3: detected capacity change from 0 to 1024 [ 178.117332][ T6247] loop0: detected capacity change from 0 to 1024 [ 178.127030][ T6248] loop1: detected capacity change from 0 to 1024 [pid 6249] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6249] ioctl(4, LOOP_SET_FD, 3 [pid 6250] <... ioctl resumed>) = 0 [pid 6248] <... ioctl resumed>) = 0 [pid 6247] <... ioctl resumed>) = 0 [pid 6246] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6249] <... ioctl resumed>) = 0 [pid 6250] close(3 [pid 6248] close(3 [pid 6247] close(3 [pid 6248] <... close resumed>) = 0 [pid 6247] <... close resumed>) = 0 [pid 6250] <... close resumed>) = 0 [pid 6248] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6247] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6250] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6249] close(3) = 0 [pid 6249] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6247] <... mkdir resumed>) = 0 [pid 6248] <... mkdir resumed>) = 0 [pid 6250] <... mkdir resumed>) = 0 [pid 6249] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6248] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6250] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6247] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6246] <... mount resumed>) = 0 [pid 5066] <... umount2 resumed>) = 0 [pid 6246] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [ 178.139218][ T6250] loop5: detected capacity change from 0 to 1024 [ 178.140178][ T6249] loop4: detected capacity change from 0 to 1024 [pid 5066] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6246] <... openat resumed>) = 3 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6246] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] newfstatat(AT_FDCWD, "./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6250] <... mount resumed>) = 0 [pid 6248] <... mount resumed>) = 0 [pid 6247] <... mount resumed>) = 0 [pid 6246] <... chdir resumed>) = 0 [pid 6250] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6248] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6247] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6246] ioctl(4, LOOP_CLR_FD [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6250] <... openat resumed>) = 3 [pid 6250] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6248] <... openat resumed>) = 3 [pid 6247] <... openat resumed>) = 3 [pid 6246] <... ioctl resumed>) = 0 [pid 5066] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6250] <... chdir resumed>) = 0 [pid 6248] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6247] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6246] close(4 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] ioctl(4, LOOP_CLR_FD [pid 6248] <... chdir resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6247] <... chdir resumed>) = 0 [pid 6246] <... close resumed>) = 0 [pid 6250] <... ioctl resumed>) = 0 [pid 6247] ioctl(4, LOOP_CLR_FD [pid 6246] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] ioctl(4, LOOP_CLR_FD [pid 5066] <... openat resumed>) = 4 [pid 6250] close(4 [pid 6247] <... ioctl resumed>) = 0 [pid 6246] <... futex resumed>) = 1 [pid 6241] <... futex resumed>) = 0 [pid 5066] newfstatat(4, "", [pid 6250] <... close resumed>) = 0 [pid 6249] <... mount resumed>) = 0 [pid 6248] <... ioctl resumed>) = 0 [pid 6247] close(4 [pid 6246] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6241] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6241] <... futex resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6250] <... futex resumed>) = 1 [pid 6249] <... openat resumed>) = 3 [pid 6248] close(4 [pid 6247] <... close resumed>) = 0 [pid 6246] <... mknod resumed>) = 0 [pid 6245] <... futex resumed>) = 0 [pid 6241] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] getdents64(4, [pid 6249] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6245] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... chdir resumed>) = 0 [pid 6245] <... futex resumed>) = 0 [pid 6249] ioctl(4, LOOP_CLR_FD [pid 6250] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6248] <... close resumed>) = 0 [pid 6245] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6247] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6250] <... mknod resumed>) = 0 [pid 6249] <... ioctl resumed>) = 0 [pid 6248] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... futex resumed>) = 1 [pid 6246] <... futex resumed>) = 1 [pid 6243] <... futex resumed>) = 0 [pid 6241] <... futex resumed>) = 0 [pid 6250] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] close(4 [pid 6248] <... futex resumed>) = 1 [pid 6247] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] <... futex resumed>) = 0 [pid 6243] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] getdents64(4, [pid 6249] <... close resumed>) = 0 [pid 6248] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6250] <... futex resumed>) = 1 [pid 6247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6244] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... futex resumed>) = 0 [pid 6241] <... futex resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6243] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6241] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6250] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6247] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5066] close(4 [pid 6249] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... futex resumed>) = 0 [pid 6244] <... futex resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 6249] <... futex resumed>) = 1 [pid 6245] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6242] <... futex resumed>) = 0 [pid 6247] <... mknod resumed>) = 0 [pid 6245] <... futex resumed>) = 0 [pid 6242] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] rmdir("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6245] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6249] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6242] <... futex resumed>) = 0 [pid 6250] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6248] <... mknod resumed>) = 0 [pid 6247] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6242] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... rmdir resumed>) = 0 [pid 5066] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6247] <... futex resumed>) = 1 [pid 6243] <... futex resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(AT_FDCWD, "./92/binderfs", [pid 6243] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6243] <... futex resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6248] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] unlink("./92/binderfs" [pid 6248] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = 0 [pid 6244] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5066] <... unlink resumed>) = 0 [pid 6244] <... futex resumed>) = 0 [pid 6244] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] close(3 [pid 6249] <... mknod resumed>) = 0 [pid 5066] <... close resumed>) = 0 [pid 6250] <... open resumed>) = 4 [pid 6248] <... open resumed>) = 4 [pid 6247] <... open resumed>) = 4 [pid 6246] <... open resumed>) = 4 [pid 5066] rmdir("./92" [pid 6250] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... futex resumed>) = 1 [pid 6248] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = 0 [pid 6242] <... futex resumed>) = 0 [pid 6250] <... futex resumed>) = 1 [pid 6249] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6246] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... futex resumed>) = 0 [pid 6244] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... rmdir resumed>) = 0 [pid 6250] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6247] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... futex resumed>) = 1 [pid 6245] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... futex resumed>) = 0 [pid 6242] <... futex resumed>) = 0 [pid 6241] <... futex resumed>) = 0 [pid 5066] mkdir("./93", 0777 [pid 6250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6249] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6248] sync( [pid 6245] <... futex resumed>) = 0 [pid 6244] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6242] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6241] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6250] sync( [pid 6247] <... futex resumed>) = 1 [pid 6246] sync( [pid 6245] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] <... futex resumed>) = 0 [pid 6241] <... futex resumed>) = 0 [pid 5066] <... mkdir resumed>) = 0 [pid 6243] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] sync( [pid 6243] <... futex resumed>) = 0 [pid 6241] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6243] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... openat resumed>) = 3 [pid 5066] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5066] close(3) = 0 [pid 6249] <... open resumed>) = 4 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6249] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6242] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6242] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6242] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6251 attached [pid 6249] <... futex resumed>) = 1 [pid 6242] <... futex resumed>) = 0 [pid 6249] sync( [pid 6242] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=47000000} [pid 6245] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6251] set_robust_list(0x5555556c56a0, 24) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6251 [pid 6251] chdir("./93") = 0 [pid 6251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6243] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6241] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6251] <... prctl resumed>) = 0 [pid 6251] setpgid(0, 0) = 0 [pid 6251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6250] <... sync resumed>) = 0 [pid 6246] <... sync resumed>) = 0 [pid 6251] write(3, "1000", 4 [pid 6250] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] <... sync resumed>) = 0 [pid 6248] <... sync resumed>) = 0 [pid 6247] <... sync resumed>) = 0 [pid 6246] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] exit_group(0 [pid 6241] exit_group(0 [pid 6251] <... write resumed>) = 4 [pid 6250] <... futex resumed>) = ? [pid 6247] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... futex resumed>) = ? [pid 6245] <... exit_group resumed>) = ? [pid 6241] <... exit_group resumed>) = ? [pid 6251] close(3 [pid 6250] +++ exited with 0 +++ [pid 6249] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... futex resumed>) = 0 [pid 6246] +++ exited with 0 +++ [pid 6245] +++ exited with 0 +++ [pid 6244] exit_group(0 [pid 6242] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6251] <... close resumed>) = 0 [pid 6249] <... futex resumed>) = 0 [pid 6248] <... futex resumed>) = ? [pid 6247] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] <... exit_group resumed>) = ? [pid 6243] exit_group(0 [pid 6242] exit_group(0 [pid 6241] +++ exited with 0 +++ [pid 6251] symlink("/dev/binderfs", "./binderfs" [pid 6249] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6243] <... exit_group resumed>) = ? [pid 6251] <... symlink resumed>) = 0 [pid 6249] <... futex resumed>) = ? [pid 6242] <... exit_group resumed>) = ? [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6245, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6241, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6251] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] +++ exited with 0 +++ [pid 6247] <... futex resumed>) = ? [pid 6242] +++ exited with 0 +++ [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 6251] <... futex resumed>) = 0 [pid 5067] <... restart_syscall resumed>) = 0 [pid 6251] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 6251] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] <... restart_syscall resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6242, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5068] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 6248] +++ exited with 0 +++ [pid 6247] +++ exited with 0 +++ [pid 6244] +++ exited with 0 +++ [pid 6243] +++ exited with 0 +++ [pid 5069] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6251] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5067] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6244, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6251] <... mprotect resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... openat resumed>) = 3 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6243, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5069] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... openat resumed>) = 3 [pid 5065] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6251] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] <... openat resumed>) = 3 [pid 5068] newfstatat(3, "", [pid 5067] newfstatat(3, "", [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] newfstatat(3, "", [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(3, [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] getdents64(3, [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... openat resumed>) = 3 [pid 5064] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6251] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] getdents64(3, [pid 5065] newfstatat(3, "", [pid 6251] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... openat resumed>) = 3 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6252 attached [pid 6251] <... clone3 resumed> => {parent_tid=[6252]}, 88) = 6252 [pid 5065] getdents64(3, [pid 6252] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053) = 0 [pid 6251] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] newfstatat(3, "", [pid 6252] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6251] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5067] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6252] <... set_robust_list resumed>) = 0 [pid 6251] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] rt_sigprocmask(SIG_SETMASK, [], [pid 6251] <... futex resumed>) = 0 [pid 5069] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] getdents64(3, [pid 6252] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6251] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6252] memfd_create("syzkaller", 0 [pid 5069] newfstatat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] <... umount2 resumed>) = 0 [pid 5064] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6252] <... memfd_create resumed>) = 3 [pid 5068] newfstatat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] openat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... openat resumed>) = 4 [pid 5068] openat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6252] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5068] <... openat resumed>) = 4 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(4, "", [pid 5065] newfstatat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6252] 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"..., 524288 [pid 5069] newfstatat(4, "", [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] getdents64(4, [pid 5065] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] getdents64(4, [pid 5065] openat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] <... openat resumed>) = 4 [pid 5068] close(4 [pid 5065] newfstatat(4, "", [pid 5068] <... close resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] rmdir("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] getdents64(4, [pid 6252] <... write resumed>) = 524288 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] <... umount2 resumed>) = 0 [pid 5065] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(4, [pid 5064] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6252] munmap(0x7fdb7f81d000, 138412032 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] close(4 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... close resumed>) = 0 [pid 5065] rmdir("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6252] <... munmap resumed>) = 0 [pid 5069] getdents64(4, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5064] newfstatat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] newfstatat(AT_FDCWD, "./96/binderfs", [pid 5064] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(AT_FDCWD, "./95/binderfs", [pid 5069] close(4 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] openat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... close resumed>) = 0 [pid 5065] unlink("./95/binderfs" [pid 5069] rmdir("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] <... unlink resumed>) = 0 [pid 5064] <... openat resumed>) = 4 [pid 5065] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] close(3) = 0 [pid 5065] rmdir("./95" [pid 5069] <... rmdir resumed>) = 0 [pid 5064] newfstatat(4, "", [pid 6252] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] unlink("./96/binderfs" [pid 5067] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... rmdir resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] mkdir("./96", 0777 [pid 5068] <... unlink resumed>) = 0 [pid 5064] getdents64(4, [pid 6252] <... openat resumed>) = 4 [pid 5067] newfstatat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] <... mkdir resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5067] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... openat resumed>) = 3 [pid 6252] ioctl(4, LOOP_SET_FD, 3 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5064] getdents64(4, [pid 5068] getdents64(3, [pid 5067] openat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... ioctl resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5065] close(3 [pid 5067] newfstatat(4, "", [pid 5065] <... close resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] close(4) = 0 [pid 5067] rmdir("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6253 attached ) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6253 [pid 6253] set_robust_list(0x5555556c56a0, 24 [pid 5067] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6253] <... set_robust_list resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6253] chdir("./96" [pid 5067] newfstatat(AT_FDCWD, "./95/binderfs", [pid 6253] <... chdir resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] unlink("./95/binderfs" [pid 6253] <... prctl resumed>) = 0 [pid 5068] close(3 [pid 5069] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6253] setpgid(0, 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... close resumed>) = 0 [pid 5067] <... unlink resumed>) = 0 [pid 5064] close(4 [pid 6253] <... setpgid resumed>) = 0 [pid 6253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] newfstatat(AT_FDCWD, "./94/binderfs", [pid 5068] rmdir("./96" [pid 5067] getdents64(3, [pid 5064] <... close resumed>) = 0 [pid 5064] rmdir("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6253] <... openat resumed>) = 3 [pid 6252] <... ioctl resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 5069] unlink("./94/binderfs" [pid 5068] mkdir("./97", 0777 [pid 5064] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6253] write(3, "1000", 4 [pid 6252] close(3 [pid 5067] close(3 [pid 6252] <... close resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 6253] <... write resumed>) = 4 [pid 6252] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5067] rmdir("./95" [pid 6253] close(3 [pid 6252] <... mkdir resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6253] <... close resumed>) = 0 [pid 6253] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... mkdir resumed>) = 0 [pid 5064] newfstatat(AT_FDCWD, "./95/binderfs", [pid 6253] <... symlink resumed>) = 0 [pid 5069] <... unlink resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6252] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] mkdir("./96", 0777 [pid 5069] getdents64(3, [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5067] <... mkdir resumed>) = 0 [pid 5064] unlink("./95/binderfs" [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6253] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] close(3 [pid 5068] <... openat resumed>) = 3 [pid 5064] <... unlink resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5064] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6253] <... futex resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6253] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5067] <... openat resumed>) = 3 [pid 6253] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 6253] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] close(3 [pid 6253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] <... close resumed>) = 0 [pid 6253] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5069] rmdir("./94" [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5064] close(3 [pid 6253] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... ioctl resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... close resumed>) = 0 [ 178.583071][ T6252] loop2: detected capacity change from 0 to 1024 [pid 6253] <... mprotect resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] close(3 [pid 5064] rmdir("./95" [pid 5069] mkdir("./95", 0777 [pid 6253] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6254 [pid 6253] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5064] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6255 attached ./strace-static-x86_64: Process 6254 attached [pid 6253] <... clone3 resumed> => {parent_tid=[6255]}, 88) = 6255 [pid 6255] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6254] set_robust_list(0x5555556c56a0, 24 [pid 6253] rt_sigprocmask(SIG_SETMASK, [], [pid 6255] <... rseq resumed>) = 0 [pid 6254] <... set_robust_list resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 6253] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] mkdir("./96", 0777 [pid 6255] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6254] chdir("./96" [pid 6253] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5068] <... close resumed>) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 6255] <... set_robust_list resumed>) = 0 [pid 6254] <... chdir resumed>) = 0 [pid 6253] <... futex resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6255] rt_sigprocmask(SIG_SETMASK, [], [pid 6254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6253] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5064] <... openat resumed>) = 3 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 6255] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6254] <... prctl resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5069] close(3 [pid 6255] memfd_create("syzkaller", 0 [pid 6254] setpgid(0, 0 [pid 6252] <... mount resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6255] <... memfd_create resumed>) = 3 [pid 6254] <... setpgid resumed>) = 0 [pid 6252] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6255] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6252] <... openat resumed>) = 3 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] close(3 [pid 6255] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6254] <... openat resumed>) = 3 [pid 6252] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6255] 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"..., 524288 [pid 6254] write(3, "1000", 4 [pid 6252] <... chdir resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... close resumed>) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6254] <... write resumed>) = 4 [pid 6252] ioctl(4, LOOP_CLR_FD [pid 6254] close(3 [pid 6252] <... ioctl resumed>) = 0 [pid 6254] <... close resumed>) = 0 [pid 6252] close(4 [pid 6254] symlink("/dev/binderfs", "./binderfs" [pid 6252] <... close resumed>) = 0 [pid 6254] <... symlink resumed>) = 0 [pid 6252] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... futex resumed>) = 1 [pid 6251] <... futex resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6256 [pid 6251] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... futex resumed>) = 0 [pid 6252] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6251] <... futex resumed>) = 0 [pid 6254] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6252] <... mknod resumed>) = 0 [pid 6251] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6254] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6254] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ./strace-static-x86_64: Process 6256 attached [pid 6254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6256] set_robust_list(0x5555556c56a0, 24 [pid 6254] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6252] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6257 ./strace-static-x86_64: Process 6257 attached [pid 6256] <... set_robust_list resumed>) = 0 [pid 6254] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6252] <... futex resumed>) = 1 [pid 6251] <... futex resumed>) = 0 [pid 6256] chdir("./95" [pid 6254] <... mprotect resumed>) = 0 [pid 6252] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6251] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] set_robust_list(0x5555556c56a0, 24 [pid 6256] <... chdir resumed>) = 0 [pid 6254] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6258 attached [pid 6257] <... set_robust_list resumed>) = 0 [pid 6256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6254] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6251] <... futex resumed>) = 0 [pid 6256] <... prctl resumed>) = 0 [pid 6258] set_robust_list(0x5555556c56a0, 24 [pid 6257] chdir("./96" [pid 6256] setpgid(0, 0 [pid 6254] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6251] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] <... chdir resumed>) = 0 [pid 6256] <... setpgid resumed>) = 0 [pid 6252] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6258 [pid 6257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6258] <... set_robust_list resumed>) = 0 [pid 6257] <... prctl resumed>) = 0 [pid 6256] <... openat resumed>) = 3 [pid 6254] <... clone3 resumed> => {parent_tid=[6259]}, 88) = 6259 ./strace-static-x86_64: Process 6259 attached [pid 6258] chdir("./97" [pid 6254] rt_sigprocmask(SIG_SETMASK, [], [pid 6259] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6258] <... chdir resumed>) = 0 [pid 6256] write(3, "1000", 4 [pid 6254] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6259] <... rseq resumed>) = 0 [pid 6258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6256] <... write resumed>) = 4 [pid 6254] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6258] <... prctl resumed>) = 0 [pid 6257] setpgid(0, 0 [pid 6254] <... futex resumed>) = 0 [pid 6259] <... set_robust_list resumed>) = 0 [pid 6258] setpgid(0, 0 [pid 6256] close(3 [pid 6254] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6259] rt_sigprocmask(SIG_SETMASK, [], [pid 6258] <... setpgid resumed>) = 0 [pid 6259] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6257] <... setpgid resumed>) = 0 [pid 6256] <... close resumed>) = 0 [pid 6255] <... write resumed>) = 524288 [pid 6252] <... open resumed>) = 4 [pid 6259] memfd_create("syzkaller", 0 [pid 6258] <... openat resumed>) = 3 [pid 6257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6256] symlink("/dev/binderfs", "./binderfs" [pid 6255] munmap(0x7fdb7f81d000, 138412032 [pid 6252] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... memfd_create resumed>) = 3 [pid 6258] write(3, "1000", 4 [pid 6256] <... symlink resumed>) = 0 [pid 6255] <... munmap resumed>) = 0 [pid 6252] <... futex resumed>) = 1 [pid 6251] <... futex resumed>) = 0 [pid 6259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6258] <... write resumed>) = 4 [pid 6257] <... openat resumed>) = 3 [pid 6255] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6252] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6259] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6258] close(3 [pid 6255] <... openat resumed>) = 4 [pid 6252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6251] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] <... close resumed>) = 0 [pid 6257] write(3, "1000", 4 [pid 6256] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] ioctl(4, LOOP_SET_FD, 3 [pid 6252] sync( [pid 6251] <... futex resumed>) = 0 [pid 6258] symlink("/dev/binderfs", "./binderfs" [pid 6257] <... write resumed>) = 4 [pid 6256] <... futex resumed>) = 0 [pid 6255] <... ioctl resumed>) = 0 [pid 6251] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] 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"..., 524288 [pid 6258] <... symlink resumed>) = 0 [pid 6257] close(3 [pid 6256] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6257] <... close resumed>) = 0 [pid 6256] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6257] symlink("/dev/binderfs", "./binderfs" [pid 6256] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6258] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] <... symlink resumed>) = 0 [pid 6256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6258] <... futex resumed>) = 0 [pid 6258] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6256] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6258] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6256] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6258] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6257] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... sync resumed>) = 0 [pid 6259] <... write resumed>) = 524288 [pid 6258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6257] <... futex resumed>) = 0 [pid 6256] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6252] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6257] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6256] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6259] munmap(0x7fdb7f81d000, 138412032 [pid 6258] <... mmap resumed>) = 0x7fdb87c1d000 [ 178.758101][ T6255] loop1: detected capacity change from 0 to 1024 [pid 6255] close(3 [pid 6252] <... futex resumed>) = 1 [pid 6251] <... futex resumed>) = 0 [pid 6258] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6257] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6256] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6255] <... close resumed>) = 0 [pid 6252] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6251] exit_group(0 [pid 6259] <... munmap resumed>) = 0 [pid 6258] <... mprotect resumed>) = 0 [pid 6257] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6255] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6252] <... futex resumed>) = ? [pid 6251] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6260 attached [pid 6257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6255] <... mkdir resumed>) = 0 [pid 6252] +++ exited with 0 +++ [pid 6251] +++ exited with 0 +++ [pid 6258] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6260] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6258] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6251, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6256] <... clone3 resumed> => {parent_tid=[6260]}, 88) = 6260 [pid 6260] <... rseq resumed>) = 0 [pid 6259] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6258] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6257] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6256] rt_sigprocmask(SIG_SETMASK, [], [pid 6255] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6260] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6259] <... openat resumed>) = 4 [pid 6257] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6260] <... set_robust_list resumed>) = 0 [pid 6259] ioctl(4, LOOP_SET_FD, 3 [pid 6258] <... clone3 resumed> => {parent_tid=[6261]}, 88) = 6261 [pid 6256] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6257] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6261 attached [pid 6260] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6256] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6261] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6260] memfd_create("syzkaller", 0 [pid 6258] rt_sigprocmask(SIG_SETMASK, [], [pid 6257] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6256] <... futex resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6261] <... rseq resumed>) = 0 [pid 6258] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6256] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6261] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6258] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6261] <... set_robust_list resumed>) = 0 [pid 6260] <... memfd_create resumed>) = 3 [pid 6258] <... futex resumed>) = 0 [pid 6257] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6255] <... mount resumed>) = 0 [pid 6261] rt_sigprocmask(SIG_SETMASK, [], [pid 6258] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6257] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6255] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5066] <... openat resumed>) = 3 [pid 6261] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6260] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6255] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6262 attached [pid 6261] memfd_create("syzkaller", 0 [pid 5066] newfstatat(3, "", [pid 6262] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6260] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6262] <... rseq resumed>) = 0 [pid 6261] <... memfd_create resumed>) = 3 [pid 6259] <... ioctl resumed>) = 0 [pid 6257] <... clone3 resumed> => {parent_tid=[6262]}, 88) = 6262 [pid 6255] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6262] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6259] close(3 [pid 6257] rt_sigprocmask(SIG_SETMASK, [], [pid 6255] <... chdir resumed>) = 0 [pid 5066] getdents64(3, [pid 6262] <... set_robust_list resumed>) = 0 [pid 6259] <... close resumed>) = 0 [pid 6257] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6255] ioctl(4, LOOP_CLR_FD [pid 6262] rt_sigprocmask(SIG_SETMASK, [], [pid 6261] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6259] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6257] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6262] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6257] <... futex resumed>) = 0 [pid 5066] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6262] memfd_create("syzkaller", 0 [pid 6261] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6259] <... mkdir resumed>) = 0 [pid 6257] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6255] <... ioctl resumed>) = 0 [ 178.843857][ T6259] loop3: detected capacity change from 0 to 1024 [pid 6262] <... memfd_create resumed>) = 3 [pid 6261] 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"..., 524288 [pid 6259] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6255] close(4 [pid 6262] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6255] <... close resumed>) = 0 [pid 6262] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6260] 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"..., 524288 [pid 6255] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6253] <... futex resumed>) = 0 [pid 6255] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6253] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] <... mknod resumed>) = 0 [pid 6253] <... futex resumed>) = 0 [pid 6255] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6255] <... futex resumed>) = 0 [pid 6253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6259] <... mount resumed>) = 0 [pid 6255] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] 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"..., 524288 [pid 6255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6253] <... futex resumed>) = 0 [pid 6262] <... write resumed>) = 524288 [pid 6259] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6255] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6253] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] <... openat resumed>) = 3 [pid 6259] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6259] ioctl(4, LOOP_CLR_FD) = 0 [pid 6259] close(4) = 0 [pid 6259] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6254] <... futex resumed>) = 0 [pid 6259] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6254] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... mknod resumed>) = 0 [pid 6254] <... futex resumed>) = 0 [pid 6259] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6254] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6260] <... write resumed>) = 524288 [pid 6254] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6261] <... write resumed>) = 524288 [pid 6260] munmap(0x7fdb7f81d000, 138412032 [pid 6259] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 0 [pid 6259] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6254] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=45000000} [pid 6260] <... munmap resumed>) = 0 [pid 6255] <... open resumed>) = 4 [pid 6261] munmap(0x7fdb7f81d000, 138412032 [pid 6260] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6255] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... munmap resumed>) = 0 [pid 6255] <... futex resumed>) = 1 [pid 6253] <... futex resumed>) = 0 [pid 6255] sync( [pid 6253] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] munmap(0x7fdb7f81d000, 138412032 [pid 6260] <... openat resumed>) = 4 [pid 6253] <... futex resumed>) = 0 [pid 6262] <... munmap resumed>) = 0 [pid 6261] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6259] <... open resumed>) = 4 [pid 6253] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6261] <... openat resumed>) = 4 [pid 6259] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6261] ioctl(4, LOOP_SET_FD, 3 [pid 6259] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 0 [pid 6262] <... openat resumed>) = 4 [pid 6260] ioctl(4, LOOP_SET_FD, 3 [pid 5066] <... umount2 resumed>) = 0 [pid 6254] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6254] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6259] sync( [pid 6262] ioctl(4, LOOP_SET_FD, 3 [pid 5066] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6261] <... ioctl resumed>) = 0 [pid 6261] close(3) = 0 [pid 6261] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6261] <... mkdir resumed>) = 0 [pid 6262] <... ioctl resumed>) = 0 [pid 6259] <... sync resumed>) = 0 [pid 6255] <... sync resumed>) = 0 [pid 5066] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6262] close(3 [pid 6259] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6255] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6262] <... close resumed>) = 0 [ 178.981930][ T6261] loop4: detected capacity change from 0 to 1024 [ 178.990441][ T6260] loop5: detected capacity change from 0 to 1024 [ 178.998923][ T6262] loop0: detected capacity change from 0 to 1024 [pid 6261] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6260] <... ioctl resumed>) = 0 [pid 6259] <... futex resumed>) = 1 [pid 6255] <... futex resumed>) = 1 [pid 6254] <... futex resumed>) = 0 [pid 6253] <... futex resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6262] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6254] exit_group(0 [pid 6253] exit_group(0 [pid 6254] <... exit_group resumed>) = ? [pid 6253] <... exit_group resumed>) = ? [pid 6260] close(3) = 0 [pid 6260] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6262] <... mkdir resumed>) = 0 [pid 6260] <... mkdir resumed>) = 0 [pid 5066] <... openat resumed>) = 4 [pid 5066] newfstatat(4, "", [pid 6262] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6261] <... mount resumed>) = 0 [pid 6260] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6259] +++ exited with 0 +++ [pid 6255] +++ exited with 0 +++ [pid 6254] +++ exited with 0 +++ [pid 6253] +++ exited with 0 +++ [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6254, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6253, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6261] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6261] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6262] <... mount resumed>) = 0 [pid 6261] <... chdir resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] getdents64(4, [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6262] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6260] <... mount resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6262] <... openat resumed>) = 3 [pid 6261] ioctl(4, LOOP_CLR_FD [pid 6260] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5067] <... openat resumed>) = 3 [pid 5066] getdents64(4, [pid 5065] <... openat resumed>) = 3 [pid 6260] <... openat resumed>) = 3 [pid 5067] newfstatat(3, "", [pid 5065] newfstatat(3, "", [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6262] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] close(4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6262] <... chdir resumed>) = 0 [pid 6261] <... ioctl resumed>) = 0 [pid 6260] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] getdents64(3, [pid 6262] ioctl(4, LOOP_CLR_FD [pid 6261] close(4 [pid 6260] <... chdir resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] <... close resumed>) = 0 [pid 5065] getdents64(3, [pid 6262] <... ioctl resumed>) = 0 [pid 6260] ioctl(4, LOOP_CLR_FD [pid 5067] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] rmdir("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6262] close(4 [pid 6261] <... close resumed>) = 0 [pid 6260] <... ioctl resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5065] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6262] <... close resumed>) = 0 [pid 6261] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] close(4 [pid 5067] <... umount2 resumed>) = 0 [pid 6261] <... futex resumed>) = 1 [pid 6262] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] <... close resumed>) = 0 [pid 6258] <... futex resumed>) = 0 [pid 6261] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6258] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... futex resumed>) = 0 [pid 6256] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6256] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6261] <... futex resumed>) = 0 [pid 6260] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6258] <... futex resumed>) = 1 [pid 6262] <... futex resumed>) = 1 [pid 6261] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6260] <... mknod resumed>) = 0 [pid 6258] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] <... futex resumed>) = 0 [pid 6262] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] <... mknod resumed>) = 0 [pid 6260] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6257] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6262] <... futex resumed>) = 0 [pid 6262] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5066] newfstatat(AT_FDCWD, "./93/binderfs", [pid 6262] <... mknod resumed>) = 0 [pid 6261] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] <... futex resumed>) = 1 [pid 6257] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] <... futex resumed>) = 0 [pid 5067] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6262] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... futex resumed>) = 1 [pid 6260] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6258] <... futex resumed>) = 0 [pid 6257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6256] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = 0 [pid 6261] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6258] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6257] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... futex resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6258] <... futex resumed>) = 0 [pid 6256] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6258] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] <... futex resumed>) = 0 [pid 6260] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6257] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] newfstatat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6261] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5067] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6262] <... futex resumed>) = 1 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] unlink("./93/binderfs" [pid 6257] <... futex resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] newfstatat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6257] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=40000000} [pid 5067] <... openat resumed>) = 4 [pid 6262] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5066] <... unlink resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6260] <... open resumed>) = 4 [pid 5067] newfstatat(4, "", [pid 5066] getdents64(3, [pid 5065] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6260] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6260] <... futex resumed>) = 1 [pid 6256] <... futex resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6260] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6256] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] getdents64(4, [pid 5066] close(3 [pid 5065] <... openat resumed>) = 4 [pid 6261] <... open resumed>) = 4 [pid 6260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6256] <... futex resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] <... close resumed>) = 0 [pid 5065] newfstatat(4, "", [pid 6260] sync( [pid 6256] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] getdents64(4, [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6261] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] rmdir("./93" [pid 5065] getdents64(4, [pid 6262] <... open resumed>) = 4 [pid 6261] <... futex resumed>) = 1 [pid 6258] <... futex resumed>) = 0 [pid 6261] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6258] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6258] <... futex resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 6262] <... futex resumed>) = 1 [pid 6261] sync( [pid 6258] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] <... futex resumed>) = 0 [pid 5067] close(4 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6262] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] mkdir("./94", 0777 [pid 5067] <... close resumed>) = 0 [pid 5065] getdents64(4, [pid 5067] rmdir("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5065] close(4) = 0 [pid 5065] rmdir("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5065] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./96/binderfs", [pid 5065] newfstatat(AT_FDCWD, "./96/binderfs", [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] unlink("./96/binderfs") = 0 [pid 5065] unlink("./96/binderfs" [pid 6257] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... mkdir resumed>) = 0 [pid 5067] getdents64(3, [pid 5065] <... unlink resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5067] close(3) = 0 [pid 5065] getdents64(3, [pid 5067] rmdir("./96" [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6262] <... futex resumed>) = 0 [pid 6257] <... futex resumed>) = 1 [pid 5067] <... rmdir resumed>) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5065] close(3 [pid 5066] <... openat resumed>) = 3 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 6262] sync( [pid 6257] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] <... close resumed>) = 0 [pid 5067] mkdir("./97", 0777 [pid 5066] close(3 [pid 5065] rmdir("./96" [pid 5066] <... close resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] mkdir("./97", 0777) = 0 ./strace-static-x86_64: Process 6263 attached [pid 6263] set_robust_list(0x5555556c56a0, 24 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6263 [pid 6263] <... set_robust_list resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6263] chdir("./94" [pid 6260] <... sync resumed>) = 0 [pid 6256] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] <... mkdir resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 6263] <... chdir resumed>) = 0 [pid 6260] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] exit_group(0) = ? [pid 6260] <... futex resumed>) = ? [pid 6263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 6263] setpgid(0, 0 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6263] <... setpgid resumed>) = 0 [pid 5065] close(3 [pid 6263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6263] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 3 [pid 5065] <... close resumed>) = 0 [pid 6263] write(3, "1000", 4 [pid 6262] <... sync resumed>) = 0 [pid 6260] +++ exited with 0 +++ [pid 6256] +++ exited with 0 +++ [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6263] <... write resumed>) = 4 [pid 6262] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] <... sync resumed>) = 0 [pid 6258] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6256, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=2 /* 0.02 s */} --- [pid 5067] ioctl(3, LOOP_CLR_FD [pid 6263] close(3 [pid 5067] <... ioctl resumed>) = 0 [pid 6263] <... close resumed>) = 0 [pid 6261] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] close(3./strace-static-x86_64: Process 6264 attached [pid 6263] symlink("/dev/binderfs", "./binderfs" [pid 6261] <... futex resumed>) = 0 [pid 5069] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... close resumed>) = 0 [pid 6264] set_robust_list(0x5555556c56a0, 24 [pid 6263] <... symlink resumed>) = 0 [pid 6262] <... futex resumed>) = 1 [pid 6261] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6258] exit_group(0 [pid 6257] <... futex resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6264] <... set_robust_list resumed>) = 0 [pid 6263] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] <... futex resumed>) = ? [pid 6258] <... exit_group resumed>) = ? [pid 6257] exit_group(0 [pid 5069] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6264 [pid 6264] chdir("./97") = 0 [pid 6262] <... futex resumed>) = ? [pid 6257] <... exit_group resumed>) = ? [pid 5069] <... openat resumed>) = 3 [pid 6264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6262] +++ exited with 0 +++ [pid 6261] +++ exited with 0 +++ [pid 6258] +++ exited with 0 +++ [pid 5069] newfstatat(3, "", ./strace-static-x86_64: Process 6265 attached [pid 6264] <... prctl resumed>) = 0 [pid 6263] <... futex resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6258, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6265] set_robust_list(0x5555556c56a0, 24 [pid 6264] setpgid(0, 0 [pid 6263] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6265] <... set_robust_list resumed>) = 0 [pid 6264] <... setpgid resumed>) = 0 [pid 6263] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5069] getdents64(3, [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6265 [pid 6265] chdir("./97" [pid 6264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6263] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6257] +++ exited with 0 +++ [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6265] <... chdir resumed>) = 0 [pid 6264] <... openat resumed>) = 3 [pid 6263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6257, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6265] <... prctl resumed>) = 0 [pid 6264] write(3, "1000", 4 [pid 6263] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5068] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6265] setpgid(0, 0 [pid 6264] <... write resumed>) = 4 [pid 6263] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5064] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6265] <... setpgid resumed>) = 0 [pid 6264] close(3 [pid 6263] <... mprotect resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6264] <... close resumed>) = 0 [pid 6263] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6264] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... openat resumed>) = 3 [pid 5064] <... openat resumed>) = 3 [pid 6265] <... openat resumed>) = 3 [pid 6263] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6264] <... symlink resumed>) = 0 [pid 6263] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5068] newfstatat(3, "", [pid 5064] newfstatat(3, "", [pid 6265] write(3, "1000", 4 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6265] <... write resumed>) = 4 [pid 6264] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... clone3 resumed> => {parent_tid=[6266]}, 88) = 6266 [pid 5068] getdents64(3, [pid 5064] getdents64(3, ./strace-static-x86_64: Process 6266 attached [pid 6265] close(3 [pid 6264] <... futex resumed>) = 0 [pid 6263] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6266] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6265] <... close resumed>) = 0 [pid 6264] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6263] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6266] <... rseq resumed>) = 0 [pid 6265] symlink("/dev/binderfs", "./binderfs" [pid 6264] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6263] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6266] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6265] <... symlink resumed>) = 0 [pid 6264] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6263] <... futex resumed>) = 0 [pid 6266] <... set_robust_list resumed>) = 0 [pid 6263] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6264] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6266] rt_sigprocmask(SIG_SETMASK, [], [pid 6265] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5068] <... umount2 resumed>) = 0 [pid 6266] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6265] <... futex resumed>) = 0 [pid 6264] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6265] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6264] <... mprotect resumed>) = 0 [pid 6266] memfd_create("syzkaller", 0) = 3 [pid 6265] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6264] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 6265] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6264] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6265] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6264] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 6264] <... clone3 resumed> => {parent_tid=[6267]}, 88) = 6267 [pid 6264] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6264] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6267 attached [pid 6265] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6264] <... futex resumed>) = 0 [pid 6267] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6265] <... mprotect resumed>) = 0 [pid 6264] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] <... umount2 resumed>) = 0 [pid 5064] <... umount2 resumed>) = 0 [pid 6267] <... rseq resumed>) = 0 [pid 6267] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 6267] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6267] memfd_create("syzkaller", 0 [pid 6265] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6267] <... memfd_create resumed>) = 3 [pid 6265] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6265] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} => {parent_tid=[6268]}, 88) = 6268 [pid 6265] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6265] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6265] <... futex resumed>) = 0 [pid 6267] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6265] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6268 attached [pid 6267] 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"..., 524288 [pid 6268] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5064] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6268] <... rseq resumed>) = 0 [pid 6268] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 6268] rt_sigprocmask(SIG_SETMASK, [], [pid 5064] newfstatat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6268] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6268] memfd_create("syzkaller", 0 [pid 5064] openat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6268] <... memfd_create resumed>) = 3 [pid 5064] <... openat resumed>) = 4 [pid 6268] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5064] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6268] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5064] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5064] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] close(4) = 0 [pid 5064] rmdir("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6266] 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"..., 524288 [pid 5064] <... rmdir resumed>) = 0 [pid 5064] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6268] 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"..., 524288 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./96/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] unlink("./96/binderfs") = 0 [pid 5064] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] close(3) = 0 [pid 6266] <... write resumed>) = 524288 [pid 5069] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] rmdir("./96" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... rmdir resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5068] newfstatat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] mkdir("./97", 0777 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 5069] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5069] openat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] openat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6267] <... write resumed>) = 524288 [pid 5069] <... openat resumed>) = 4 [pid 5068] <... openat resumed>) = 4 [pid 5064] <... openat resumed>) = 3 [pid 5069] newfstatat(4, "", [pid 5068] newfstatat(4, "", [pid 6268] <... write resumed>) = 524288 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5068] getdents64(4, [pid 6267] munmap(0x7fdb7f81d000, 138412032 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6267] <... munmap resumed>) = 0 [pid 5064] close(3 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, [pid 5064] <... close resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6267] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5068] close(4 [pid 5069] getdents64(4, [pid 5068] <... close resumed>) = 0 [pid 5068] rmdir("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6267] <... openat resumed>) = 4 [pid 6266] munmap(0x7fdb7f81d000, 138412032 [pid 5069] getdents64(4, [pid 5068] <... rmdir resumed>) = 0 [pid 6266] <... munmap resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5069] close(4 [pid 5068] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] <... close resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6269 [pid 6268] munmap(0x7fdb7f81d000, 138412032 [pid 5069] rmdir("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5068] newfstatat(AT_FDCWD, "./97/binderfs", ./strace-static-x86_64: Process 6269 attached [pid 6268] <... munmap resumed>) = 0 [pid 6266] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5069] <... rmdir resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6269] set_robust_list(0x5555556c56a0, 24 [pid 6268] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6267] ioctl(4, LOOP_SET_FD, 3 [pid 6266] <... openat resumed>) = 4 [pid 6269] <... set_robust_list resumed>) = 0 [pid 6268] <... openat resumed>) = 4 [pid 6266] ioctl(4, LOOP_SET_FD, 3 [pid 5069] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] unlink("./97/binderfs" [pid 6269] chdir("./97" [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... unlink resumed>) = 0 [pid 5069] newfstatat(AT_FDCWD, "./95/binderfs", [pid 5068] getdents64(3, [pid 6269] <... chdir resumed>) = 0 [pid 6268] ioctl(4, LOOP_SET_FD, 3 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] close(3 [pid 6269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] unlink("./95/binderfs" [pid 5068] <... close resumed>) = 0 [pid 6269] <... prctl resumed>) = 0 [pid 5068] rmdir("./97" [pid 5069] <... unlink resumed>) = 0 [pid 6269] setpgid(0, 0) = 0 [pid 6269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] getdents64(3, [pid 5068] <... rmdir resumed>) = 0 [pid 6269] <... openat resumed>) = 3 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5068] mkdir("./98", 0777 [pid 6269] write(3, "1000", 4) = 4 [pid 6269] close(3) = 0 [pid 6267] <... ioctl resumed>) = 0 [pid 6269] symlink("/dev/binderfs", "./binderfs" [pid 6267] close(3 [pid 6269] <... symlink resumed>) = 0 [pid 6267] <... close resumed>) = 0 [pid 6269] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6269] <... futex resumed>) = 0 [pid 6267] <... mkdir resumed>) = 0 [pid 6266] <... ioctl resumed>) = 0 [pid 5069] close(3 [pid 5068] <... mkdir resumed>) = 0 [pid 6269] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6266] close(3 [pid 5069] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6269] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5069] rmdir("./95" [pid 6269] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] <... openat resumed>) = 3 [pid 6269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 6267] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6269] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6266] <... close resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 6269] <... mprotect resumed>) = 0 [pid 6266] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] mkdir("./96", 0777 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6269] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6268] <... ioctl resumed>) = 0 [pid 5068] close(3 [pid 6269] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6268] close(3 [pid 5068] <... close resumed>) = 0 [pid 6269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6268] <... close resumed>) = 0 [pid 6266] <... mkdir resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6270 attached [pid 6268] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6267] <... mount resumed>) = 0 [pid 6270] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6267] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6270] <... rseq resumed>) = 0 [pid 6269] <... clone3 resumed> => {parent_tid=[6270]}, 88) = 6270 [pid 6267] <... openat resumed>) = 3 [pid 6266] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6270] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6269] rt_sigprocmask(SIG_SETMASK, [], [pid 6268] <... mkdir resumed>) = 0 [pid 6267] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6270] <... set_robust_list resumed>) = 0 [pid 6269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6267] <... chdir resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6270] rt_sigprocmask(SIG_SETMASK, [], [pid 6267] ioctl(4, LOOP_CLR_FD [pid 6270] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6269] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6267] <... ioctl resumed>) = 0 [pid 6270] memfd_create("syzkaller", 0 [pid 6269] <... futex resumed>) = 0 [pid 6267] close(4 [pid 5069] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6271 attached [pid 6270] <... memfd_create resumed>) = 3 [pid 6269] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6268] <... mount resumed>) = 0 [pid 6267] <... close resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 6271] set_robust_list(0x5555556c56a0, 24 [pid 6270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6268] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6267] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... set_robust_list resumed>) = 0 [pid 6270] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6268] <... openat resumed>) = 3 [pid 6267] <... futex resumed>) = 1 [pid 6264] <... futex resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6271 [pid 6271] chdir("./98" [pid 6267] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6264] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] close(3 [pid 6271] <... chdir resumed>) = 0 [pid 6270] 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"..., 524288 [pid 6268] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6267] <... mknod resumed>) = 0 [pid 6264] <... futex resumed>) = 0 [ 179.372986][ T6267] loop1: detected capacity change from 0 to 1024 [ 179.383525][ T6266] loop2: detected capacity change from 0 to 1024 [ 179.395697][ T6268] loop3: detected capacity change from 0 to 1024 [pid 6271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] <... close resumed>) = 0 [pid 6271] <... prctl resumed>) = 0 [pid 6264] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6271] setpgid(0, 0) = 0 [pid 6268] <... chdir resumed>) = 0 [pid 6271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6268] ioctl(4, LOOP_CLR_FD [pid 6271] <... openat resumed>) = 3 [pid 6268] <... ioctl resumed>) = 0 [pid 6271] write(3, "1000", 4 [pid 6268] close(4 [pid 6267] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... write resumed>) = 4 [pid 6268] <... close resumed>) = 0 [pid 6267] <... futex resumed>) = 1 [pid 6264] <... futex resumed>) = 0 [pid 6271] close(3 [pid 6268] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... close resumed>) = 0 [pid 6268] <... futex resumed>) = 1 [pid 6267] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6265] <... futex resumed>) = 0 [pid 6264] <... futex resumed>) = 0 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6272 ./strace-static-x86_64: Process 6272 attached [pid 6271] symlink("/dev/binderfs", "./binderfs" [pid 6264] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6271] <... symlink resumed>) = 0 [pid 6265] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... mount resumed>) = 0 [pid 6268] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6272] set_robust_list(0x5555556c56a0, 24 [pid 6268] <... mknod resumed>) = 0 [pid 6266] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6272] <... set_robust_list resumed>) = 0 [pid 6272] chdir("./96" [pid 6266] <... openat resumed>) = 3 [pid 6265] <... futex resumed>) = 0 [pid 6272] <... chdir resumed>) = 0 [pid 6271] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6265] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6271] <... futex resumed>) = 0 [pid 6268] <... futex resumed>) = 0 [pid 6266] <... chdir resumed>) = 0 [pid 6265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] <... prctl resumed>) = 0 [pid 6271] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6270] <... write resumed>) = 524288 [pid 6268] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6266] ioctl(4, LOOP_CLR_FD [pid 6265] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] setpgid(0, 0 [pid 6271] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6265] <... futex resumed>) = 0 [pid 6272] <... setpgid resumed>) = 0 [pid 6271] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6266] <... ioctl resumed>) = 0 [pid 6265] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6267] <... open resumed>) = 4 [pid 6266] close(4 [pid 6271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6268] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6266] <... close resumed>) = 0 [pid 6272] <... openat resumed>) = 3 [pid 6271] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6270] munmap(0x7fdb7f81d000, 138412032 [pid 6267] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6270] <... munmap resumed>) = 0 [pid 6266] <... futex resumed>) = 1 [pid 6263] <... futex resumed>) = 0 [pid 6272] write(3, "1000", 4 [pid 6271] <... mprotect resumed>) = 0 [pid 6267] <... futex resumed>) = 1 [pid 6264] <... futex resumed>) = 0 [pid 6272] <... write resumed>) = 4 [pid 6271] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6267] sync( [pid 6266] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6264] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6270] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6268] <... open resumed>) = 4 [pid 6266] <... mknod resumed>) = 0 [pid 6264] <... futex resumed>) = 0 [pid 6272] close(3 [pid 6263] <... futex resumed>) = 0 [pid 6271] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6270] <... openat resumed>) = 4 [pid 6268] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6264] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6263] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6273 attached [pid 6272] <... close resumed>) = 0 [pid 6270] ioctl(4, LOOP_SET_FD, 3 [pid 6268] <... futex resumed>) = 1 [pid 6266] <... futex resumed>) = 0 [pid 6265] <... futex resumed>) = 0 [pid 6263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6273] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6272] symlink("/dev/binderfs", "./binderfs" [pid 6271] <... clone3 resumed> => {parent_tid=[6273]}, 88) = 6273 [pid 6268] sync( [pid 6266] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6265] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... rseq resumed>) = 0 [pid 6271] rt_sigprocmask(SIG_SETMASK, [], [pid 6266] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] <... futex resumed>) = 0 [pid 6263] <... futex resumed>) = 0 [pid 6273] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6272] <... symlink resumed>) = 0 [pid 6271] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6266] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6265] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6263] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6273] <... set_robust_list resumed>) = 0 [pid 6271] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] rt_sigprocmask(SIG_SETMASK, [], [pid 6271] <... futex resumed>) = 0 [pid 6273] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6271] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6273] memfd_create("syzkaller", 0) = 3 [pid 6272] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... open resumed>) = 4 [pid 6272] <... futex resumed>) = 0 [pid 6272] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 6272] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6266] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6266] <... futex resumed>) = 1 [pid 6263] <... futex resumed>) = 0 [pid 6273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6266] sync( [pid 6263] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6273] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6272] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6263] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6273] 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"..., 524288 [pid 6272] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6270] <... ioctl resumed>) = 0 [pid 6270] close(3) = 0 [pid 6272] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6270] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6272] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6270] <... mkdir resumed>) = 0 [pid 6264] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6272] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6270] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, ""./strace-static-x86_64: Process 6274 attached [pid 6265] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6274] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6272] <... clone3 resumed> => {parent_tid=[6274]}, 88) = 6274 [pid 6274] <... rseq resumed>) = 0 [pid 6273] <... write resumed>) = 524288 [ 179.526292][ T6270] loop0: detected capacity change from 0 to 1024 [pid 6274] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6272] rt_sigprocmask(SIG_SETMASK, [], [pid 6274] <... set_robust_list resumed>) = 0 [pid 6272] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6274] rt_sigprocmask(SIG_SETMASK, [], [pid 6272] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6274] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6272] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6274] memfd_create("syzkaller", 0 [pid 6273] munmap(0x7fdb7f81d000, 138412032 [pid 6270] <... mount resumed>) = 0 [pid 6268] <... sync resumed>) = 0 [pid 6267] <... sync resumed>) = 0 [pid 6266] <... sync resumed>) = 0 [pid 6263] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6274] <... memfd_create resumed>) = 3 [pid 6274] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6268] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] exit_group(0 [pid 6263] exit_group(0 [pid 6274] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6273] <... munmap resumed>) = 0 [pid 6270] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6268] <... futex resumed>) = ? [pid 6267] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] <... futex resumed>) = 0 [pid 6265] <... exit_group resumed>) = ? [pid 6274] 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"..., 524288 [pid 6270] <... openat resumed>) = 3 [pid 6268] +++ exited with 0 +++ [pid 6267] <... futex resumed>) = 0 [pid 6265] +++ exited with 0 +++ [pid 6263] <... exit_group resumed>) = ? [pid 6273] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6264] exit_group(0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6265, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6273] ioctl(4, LOOP_SET_FD, 3 [pid 6264] <... exit_group resumed>) = ? [pid 6266] +++ exited with 0 +++ [pid 6263] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6263, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6270] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6267] +++ exited with 0 +++ [pid 6264] +++ exited with 0 +++ [pid 5067] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6270] ioctl(4, LOOP_CLR_FD [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6264, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6270] <... ioctl resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6270] close(4 [pid 5067] <... openat resumed>) = 3 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6270] <... close resumed>) = 0 [pid 5067] newfstatat(3, "", [pid 6270] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6270] <... futex resumed>) = 1 [pid 5067] getdents64(3, [pid 6270] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6273] <... ioctl resumed>) = 0 [pid 6269] <... futex resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5065] <... openat resumed>) = 3 [pid 5065] newfstatat(3, "", [pid 6269] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6273] close(3 [pid 6270] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 1 [pid 5065] getdents64(3, [pid 6270] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6269] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6274] <... write resumed>) = 524288 [pid 6270] <... mknod resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 5066] newfstatat(3, "", [pid 5065] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6274] munmap(0x7fdb7f81d000, 138412032 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6273] <... close resumed>) = 0 [pid 6270] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6270] <... futex resumed>) = 1 [pid 6269] <... futex resumed>) = 0 [pid 6274] <... munmap resumed>) = 0 [pid 6273] <... mkdir resumed>) = 0 [pid 6270] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6269] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] getdents64(3, [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6269] <... futex resumed>) = 0 [pid 5067] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6274] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6273] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6270] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [ 179.630397][ T6273] loop4: detected capacity change from 0 to 1024 [pid 6269] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6274] <... openat resumed>) = 4 [pid 6274] ioctl(4, LOOP_SET_FD, 3 [pid 5067] newfstatat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5067] openat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5067] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6273] <... mount resumed>) = 0 [pid 6273] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5065] <... umount2 resumed>) = 0 [pid 6273] <... openat resumed>) = 3 [pid 6273] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6273] ioctl(4, LOOP_CLR_FD [pid 5065] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6273] <... ioctl resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6273] close(4 [pid 6270] <... open resumed>) = 4 [pid 6273] <... close resumed>) = 0 [pid 5065] newfstatat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6273] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6273] <... futex resumed>) = 1 [pid 6269] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] getdents64(4, [pid 5065] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6273] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6269] <... futex resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5067] close(4 [pid 5065] openat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6269] <... mmap resumed>) = 0x7fdb87bfc000 [pid 5067] <... close resumed>) = 0 [pid 6269] mprotect(0x7fdb87bfd000, 131072, PROT_READ|PROT_WRITE [pid 5067] rmdir("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] <... openat resumed>) = 4 [pid 6271] <... futex resumed>) = 0 [pid 6270] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] <... mprotect resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 6271] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] <... futex resumed>) = 0 [ 179.695292][ T6274] loop5: detected capacity change from 0 to 1024 [pid 6269] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5067] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6273] <... futex resumed>) = 0 [pid 6271] <... futex resumed>) = 1 [pid 6270] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6269] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6273] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6269] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c1c990, parent_tid=0x7fdb87c1c990, exit_signal=0, stack=0x7fdb87bfc000, stack_size=0x20300, tls=0x7fdb87c1c6c0} [pid 5067] newfstatat(AT_FDCWD, "./97/binderfs", [pid 5065] newfstatat(4, "", [pid 6273] <... mknod resumed>) = 0 [pid 6271] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6269] <... clone3 resumed> => {parent_tid=[6275]}, 88) = 6275 [pid 5067] unlink("./97/binderfs" [pid 5065] getdents64(4, [pid 6269] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... unlink resumed>) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6275 attached [pid 6273] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5067] getdents64(3, [pid 5065] getdents64(4, [pid 6275] rseq(0x7fdb87c1cfe0, 0x20, 0, 0x53053053 [pid 6273] <... futex resumed>) = 1 [pid 6271] <... futex resumed>) = 0 [pid 6269] futex(0x7fdb87d096b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6275] <... rseq resumed>) = 0 [pid 6274] <... ioctl resumed>) = 0 [pid 6273] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6271] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] <... futex resumed>) = 0 [pid 5067] close(3 [pid 5065] close(4 [pid 6274] close(3 [pid 6271] <... futex resumed>) = 0 [pid 6271] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] futex(0x7fdb87d096bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... close resumed>) = 0 [pid 6274] <... close resumed>) = 0 [pid 6274] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6275] set_robust_list(0x7fdb87c1c9a0, 24 [pid 5067] <... close resumed>) = 0 [pid 5065] rmdir("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6275] <... set_robust_list resumed>) = 0 [pid 6274] <... mkdir resumed>) = 0 [pid 5067] rmdir("./97" [pid 5065] <... rmdir resumed>) = 0 [pid 6274] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6275] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] <... rmdir resumed>) = 0 [pid 5065] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6275] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6275] sync( [pid 5067] mkdir("./98", 0777 [pid 5065] newfstatat(AT_FDCWD, "./97/binderfs", [pid 5067] <... mkdir resumed>) = 0 [pid 5066] <... umount2 resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] unlink("./97/binderfs") = 0 [pid 6273] <... open resumed>) = 4 [pid 6273] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6271] <... futex resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5065] getdents64(3, [pid 6271] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... openat resumed>) = 3 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6271] <... futex resumed>) = 0 [pid 5065] close(3 [pid 6271] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... close resumed>) = 0 [pid 5065] rmdir("./97" [pid 6273] sync( [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5066] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... ioctl resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] close(3 [pid 5066] newfstatat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6274] <... mount resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6269] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... rmdir resumed>) = 0 [pid 5065] mkdir("./98", 0777 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6276 [pid 6274] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5066] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6276 attached [pid 6274] <... openat resumed>) = 3 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6276] set_robust_list(0x5555556c56a0, 24 [pid 6275] <... sync resumed>) = 0 [pid 6274] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6273] <... sync resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6274] <... chdir resumed>) = 0 [pid 6273] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6271] <... futex resumed>) = 0 [pid 5066] <... openat resumed>) = 4 [pid 6274] ioctl(4, LOOP_CLR_FD [pid 5066] newfstatat(4, "", [pid 6274] <... ioctl resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6274] close(4 [pid 6271] exit_group(0 [pid 6273] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6274] <... close resumed>) = 0 [pid 5066] getdents64(4, [pid 6274] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] <... set_robust_list resumed>) = 0 [pid 6275] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = ? [pid 6272] <... futex resumed>) = 0 [pid 6271] <... exit_group resumed>) = ? [pid 5065] <... openat resumed>) = 3 [pid 6275] <... futex resumed>) = 0 [pid 6272] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] exit_group(0 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 6274] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6272] <... futex resumed>) = 0 [pid 6270] <... futex resumed>) = ? [pid 6269] <... exit_group resumed>) = ? [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6276] chdir("./98" [pid 6275] +++ exited with 0 +++ [pid 6274] <... mknod resumed>) = 0 [pid 6273] +++ exited with 0 +++ [pid 6272] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6271] +++ exited with 0 +++ [pid 6270] +++ exited with 0 +++ [pid 5066] getdents64(4, [pid 5065] close(3 [pid 6276] <... chdir resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6271, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] <... close resumed>) = 0 [pid 6276] <... prctl resumed>) = 0 [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] close(4) = 0 [pid 6276] setpgid(0, 0 [pid 5066] rmdir("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6276] <... setpgid resumed>) = 0 [pid 6274] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6277 attached [pid 6276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6274] <... futex resumed>) = 1 [pid 6272] <... futex resumed>) = 0 [pid 6269] +++ exited with 0 +++ [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6272] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6276] <... openat resumed>) = 3 [pid 6277] set_robust_list(0x5555556c56a0, 24 [pid 6276] write(3, "1000", 4 [pid 6272] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5066] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6277 [pid 6272] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] newfstatat(3, "", [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6269, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6277] <... set_robust_list resumed>) = 0 [pid 6276] <... write resumed>) = 4 [pid 6274] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6277] chdir("./98" [pid 6276] close(3 [pid 5068] getdents64(3, [pid 5066] newfstatat(AT_FDCWD, "./94/binderfs", [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6277] <... chdir resumed>) = 0 [pid 6276] <... close resumed>) = 0 [pid 5064] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6276] symlink("/dev/binderfs", "./binderfs" [pid 6277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6276] <... symlink resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... openat resumed>) = 3 [pid 6277] <... prctl resumed>) = 0 [pid 6276] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6277] setpgid(0, 0 [pid 6276] <... futex resumed>) = 0 [pid 5066] unlink("./94/binderfs" [pid 5064] newfstatat(3, "", [pid 6277] <... setpgid resumed>) = 0 [pid 6276] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6276] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6274] <... open resumed>) = 4 [pid 5066] <... unlink resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6276] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5064] getdents64(3, [pid 6274] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6272] <... futex resumed>) = 0 [pid 6277] <... openat resumed>) = 3 [pid 6276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6274] sync( [pid 6272] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5066] getdents64(3, [pid 6277] write(3, "1000", 4 [pid 6276] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6272] <... futex resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6272] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] close(3 [pid 6276] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6277] <... write resumed>) = 4 [pid 6276] <... mprotect resumed>) = 0 [pid 6277] close(3) = 0 [pid 5066] <... close resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 6277] symlink("/dev/binderfs", "./binderfs" [pid 6276] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5066] rmdir("./94" [pid 5068] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6276] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6276] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6277] <... symlink resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6278 attached [pid 6277] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6276] <... clone3 resumed> => {parent_tid=[6278]}, 88) = 6278 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6278] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6277] <... futex resumed>) = 0 [pid 5066] mkdir("./95", 0777 [pid 5064] <... umount2 resumed>) = 0 [pid 5068] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] openat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6278] <... rseq resumed>) = 0 [pid 5068] <... openat resumed>) = 4 [pid 6277] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5068] newfstatat(4, "", [pid 6277] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... mkdir resumed>) = 0 [pid 6278] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6276] rt_sigprocmask(SIG_SETMASK, [], [pid 5064] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6277] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5068] getdents64(4, [pid 6277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 6277] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6277] <... mprotect resumed>) = 0 [pid 5068] getdents64(4, [pid 6276] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6276] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] newfstatat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6276] <... futex resumed>) = 0 [pid 6278] <... set_robust_list resumed>) = 0 [pid 6277] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6276] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6272] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] close(4 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6277] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6274] <... sync resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5064] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6278] rt_sigprocmask(SIG_SETMASK, [], [pid 6277] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6274] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6278] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6278] memfd_create("syzkaller", 0 [pid 6277] <... clone3 resumed> => {parent_tid=[6279]}, 88) = 6279 [pid 6274] <... futex resumed>) = 0 [pid 6272] exit_group(0 [pid 5068] <... rmdir resumed>) = 0 [pid 6278] <... memfd_create resumed>) = 3 [pid 6277] rt_sigprocmask(SIG_SETMASK, [], [pid 6272] <... exit_group resumed>) = ? [pid 5068] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5064] openat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6279 attached [pid 6278] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6277] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6274] +++ exited with 0 +++ [pid 6272] +++ exited with 0 +++ [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6279] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6278] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6277] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6272, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5066] <... openat resumed>) = 3 [pid 5064] <... openat resumed>) = 4 [pid 6277] <... futex resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./98/binderfs", [pid 6279] <... rseq resumed>) = 0 [pid 6277] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6279] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5068] unlink("./98/binderfs" [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5064] newfstatat(4, "", [pid 6279] <... set_robust_list resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6279] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] getdents64(3, [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6279] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6278] 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"..., 524288 [pid 5069] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] close(3 [pid 5064] getdents64(4, [pid 6279] memfd_create("syzkaller", 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5069] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] close(3 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6279] <... memfd_create resumed>) = 3 [pid 5069] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 6279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] newfstatat(3, "", [pid 5068] rmdir("./98" [pid 5066] <... close resumed>) = 0 [pid 5064] getdents64(4, [pid 6279] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6279] 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"..., 524288 [pid 5069] getdents64(3, [pid 5068] mkdir("./99", 0777 [pid 5064] close(4 [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6280 [pid 5064] <... close resumed>) = 0 ./strace-static-x86_64: Process 6280 attached [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] <... mkdir resumed>) = 0 [pid 5064] rmdir("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6280] set_robust_list(0x5555556c56a0, 24 [pid 5069] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 6280] <... set_robust_list resumed>) = 0 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5064] <... rmdir resumed>) = 0 [pid 6280] chdir("./95" [pid 5068] <... ioctl resumed>) = 0 [pid 5064] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] close(3 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6278] <... write resumed>) = 524288 [pid 5068] <... close resumed>) = 0 [pid 5064] newfstatat(AT_FDCWD, "./97/binderfs", [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6280] <... chdir resumed>) = 0 [pid 6278] munmap(0x7fdb7f81d000, 138412032 [pid 5064] unlink("./97/binderfs") = 0 [pid 6280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6278] <... munmap resumed>) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6281 [pid 5064] getdents64(3, [pid 6280] <... prctl resumed>) = 0 [pid 6280] setpgid(0, 0 [pid 6278] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6281 attached [pid 6280] <... setpgid resumed>) = 0 [pid 6279] <... write resumed>) = 524288 [pid 6281] set_robust_list(0x5555556c56a0, 24) = 0 [pid 6280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6278] <... openat resumed>) = 4 [pid 5064] close(3 [pid 6281] chdir("./99") = 0 [pid 6281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6281] setpgid(0, 0 [pid 6278] ioctl(4, LOOP_SET_FD, 3 [pid 5064] <... close resumed>) = 0 [pid 6281] <... setpgid resumed>) = 0 [pid 6281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6280] <... openat resumed>) = 3 [pid 5064] rmdir("./97" [pid 6281] <... openat resumed>) = 3 [pid 6281] write(3, "1000", 4 [pid 6279] munmap(0x7fdb7f81d000, 138412032 [pid 6281] <... write resumed>) = 4 [pid 6281] close(3) = 0 [pid 6279] <... munmap resumed>) = 0 [pid 6281] symlink("/dev/binderfs", "./binderfs" [pid 6279] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5064] <... rmdir resumed>) = 0 [pid 6279] <... openat resumed>) = 4 [pid 5064] mkdir("./98", 0777 [pid 6281] <... symlink resumed>) = 0 [pid 6279] ioctl(4, LOOP_SET_FD, 3 [pid 6280] write(3, "1000", 4 [pid 5064] <... mkdir resumed>) = 0 [pid 6280] <... write resumed>) = 4 [pid 6280] close(3 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6280] <... close resumed>) = 0 [pid 6281] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... umount2 resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 6281] <... futex resumed>) = 0 [pid 6281] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 6280] <... symlink resumed>) = 0 [pid 6280] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] ioctl(3, LOOP_CLR_FD [pid 6281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 5069] newfstatat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6281] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6279] <... ioctl resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6281] <... mprotect resumed>) = 0 [pid 6280] <... futex resumed>) = 0 [pid 6279] close(3 [pid 5069] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] close(3 [pid 6281] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6280] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6279] <... close resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... close resumed>) = 0 [pid 6280] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6280] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [ 180.121333][ T6278] loop3: detected capacity change from 0 to 1024 [ 180.133040][ T6279] loop1: detected capacity change from 0 to 1024 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6282 attached [pid 6281] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6279] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] openat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6282 [pid 6280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6282] set_robust_list(0x5555556c56a0, 24 [pid 6280] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6279] <... mkdir resumed>) = 0 [pid 6278] <... ioctl resumed>) = 0 [pid 5069] <... openat resumed>) = 4 [pid 6282] <... set_robust_list resumed>) = 0 [pid 6280] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6281] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6280] <... mprotect resumed>) = 0 [pid 6278] close(3 [pid 5069] newfstatat(4, "", [pid 6282] chdir("./98" [pid 6278] <... close resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6280] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6282] <... chdir resumed>) = 0 [pid 6281] <... clone3 resumed> => {parent_tid=[6283]}, 88) = 6283 [pid 6278] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] getdents64(4, ./strace-static-x86_64: Process 6283 attached [pid 6282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6281] rt_sigprocmask(SIG_SETMASK, [], [pid 6280] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6279] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6278] <... mkdir resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6283] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6282] <... prctl resumed>) = 0 [pid 6281] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6281] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6281] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6282] setpgid(0, 0 [pid 6283] <... rseq resumed>) = 0 [pid 6283] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6282] <... setpgid resumed>) = 0 [pid 6280] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 6284 attached [pid 6283] <... set_robust_list resumed>) = 0 [pid 6282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6284] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6283] rt_sigprocmask(SIG_SETMASK, [], [pid 6282] <... openat resumed>) = 3 [pid 6280] <... clone3 resumed> => {parent_tid=[6284]}, 88) = 6284 [pid 6278] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] close(4 [pid 6280] rt_sigprocmask(SIG_SETMASK, [], [pid 6284] <... rseq resumed>) = 0 [pid 6283] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6280] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6284] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6283] memfd_create("syzkaller", 0 [pid 6282] write(3, "1000", 4 [pid 6280] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... mount resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 6284] <... set_robust_list resumed>) = 0 [pid 6283] <... memfd_create resumed>) = 3 [pid 6282] <... write resumed>) = 4 [pid 6280] <... futex resumed>) = 0 [pid 6279] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] rmdir("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6284] rt_sigprocmask(SIG_SETMASK, [], [pid 6283] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6282] close(3 [pid 6280] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6279] <... openat resumed>) = 3 [pid 5069] <... rmdir resumed>) = 0 [pid 6284] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6283] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6282] <... close resumed>) = 0 [pid 6284] memfd_create("syzkaller", 0 [pid 6283] 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"..., 524288 [pid 6282] symlink("/dev/binderfs", "./binderfs" [pid 6279] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6278] <... mount resumed>) = 0 [pid 5069] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6279] <... chdir resumed>) = 0 [pid 6278] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6282] <... symlink resumed>) = 0 [pid 6279] ioctl(4, LOOP_CLR_FD [pid 6278] <... openat resumed>) = 3 [pid 5069] newfstatat(AT_FDCWD, "./96/binderfs", [pid 6279] <... ioctl resumed>) = 0 [pid 6278] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6278] <... chdir resumed>) = 0 [pid 5069] unlink("./96/binderfs" [pid 6284] <... memfd_create resumed>) = 3 [pid 5069] <... unlink resumed>) = 0 [pid 6284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6282] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] close(4 [pid 6278] ioctl(4, LOOP_CLR_FD [pid 5069] getdents64(3, [pid 6284] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6279] <... close resumed>) = 0 [pid 6278] <... ioctl resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6279] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] close(4 [pid 5069] close(3 [pid 6279] <... futex resumed>) = 1 [pid 6278] <... close resumed>) = 0 [pid 6277] <... futex resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 6278] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] rmdir("./96" [pid 6279] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6278] <... futex resumed>) = 1 [pid 6277] <... futex resumed>) = 0 [pid 6276] <... futex resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 6279] <... mknod resumed>) = 0 [pid 6278] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6277] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6276] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] mkdir("./97", 0777 [pid 6276] <... futex resumed>) = 0 [pid 5069] <... mkdir resumed>) = 0 [pid 6283] <... write resumed>) = 524288 [pid 6279] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... mknod resumed>) = 0 [pid 6276] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] <... futex resumed>) = 1 [pid 6277] <... futex resumed>) = 0 [pid 6279] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6277] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6278] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6278] <... futex resumed>) = 1 [pid 6276] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6276] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... openat resumed>) = 3 [pid 6276] <... futex resumed>) = 0 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 6278] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6276] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] close(3 [pid 6282] <... futex resumed>) = 0 [pid 6279] <... open resumed>) = 4 [pid 5069] <... close resumed>) = 0 [pid 6284] 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"..., 524288 [pid 6282] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6279] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... open resumed>) = 4 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6282] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6279] <... futex resumed>) = 1 [pid 6278] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6277] <... futex resumed>) = 0 [pid 6277] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6279] sync( [pid 6278] <... futex resumed>) = 1 [pid 6277] <... futex resumed>) = 0 [pid 6276] <... futex resumed>) = 0 [pid 6282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6278] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6277] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6276] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] munmap(0x7fdb7f81d000, 138412032 [pid 6282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6276] <... futex resumed>) = 0 [pid 6282] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6278] sync( [pid 6276] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6285 ./strace-static-x86_64: Process 6285 attached [pid 6285] set_robust_list(0x5555556c56a0, 24 [pid 6282] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6285] <... set_robust_list resumed>) = 0 [pid 6282] <... mprotect resumed>) = 0 [pid 6285] chdir("./97" [pid 6284] <... write resumed>) = 524288 [pid 6283] <... munmap resumed>) = 0 [pid 6285] <... chdir resumed>) = 0 [pid 6283] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6282] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6282] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6285] <... prctl resumed>) = 0 [pid 6285] setpgid(0, 0 [pid 6283] <... openat resumed>) = 4 [pid 6282] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6285] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6286 attached [pid 6285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6286] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6283] ioctl(4, LOOP_SET_FD, 3 [pid 6282] <... clone3 resumed> => {parent_tid=[6286]}, 88) = 6286 [pid 6286] <... rseq resumed>) = 0 [pid 6285] <... openat resumed>) = 3 [pid 6282] rt_sigprocmask(SIG_SETMASK, [], [pid 6285] write(3, "1000", 4 [pid 6286] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6284] munmap(0x7fdb7f81d000, 138412032 [pid 6282] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6282] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6286] <... set_robust_list resumed>) = 0 [pid 6282] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6284] <... munmap resumed>) = 0 [pid 6286] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6286] memfd_create("syzkaller", 0) = 3 [pid 6285] <... write resumed>) = 4 [pid 6285] close(3) = 0 [pid 6279] <... sync resumed>) = 0 [pid 6278] <... sync resumed>) = 0 [pid 6285] symlink("/dev/binderfs", "./binderfs" [pid 6278] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6285] <... symlink resumed>) = 0 [pid 6279] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... futex resumed>) = 1 [pid 6276] <... futex resumed>) = 0 [pid 6286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6285] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6283] <... ioctl resumed>) = 0 [pid 6279] <... futex resumed>) = 1 [pid 6278] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6277] <... futex resumed>) = 0 [pid 6276] exit_group(0 [pid 6286] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6285] <... futex resumed>) = 0 [pid 6284] <... openat resumed>) = 4 [pid 6283] close(3 [pid 6279] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6278] <... futex resumed>) = ? [pid 6277] exit_group(0 [pid 6276] <... exit_group resumed>) = ? [pid 6285] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6284] ioctl(4, LOOP_SET_FD, 3 [pid 6283] <... close resumed>) = 0 [pid 6279] <... futex resumed>) = ? [pid 6278] +++ exited with 0 +++ [pid 6277] <... exit_group resumed>) = ? [pid 6276] +++ exited with 0 +++ [pid 6285] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6283] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6279] +++ exited with 0 +++ [pid 6277] +++ exited with 0 +++ [pid 6285] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 6285] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6285] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6283] <... mkdir resumed>) = 0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6277, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6276, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6285] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6285] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6286] 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"..., 524288 [pid 6284] <... ioctl resumed>) = 0 [pid 6283] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5065] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6284] close(3 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6284] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6287 attached [pid 6284] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5067] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] newfstatat(3, "", [pid 6284] <... mkdir resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... openat resumed>) = 3 [pid 6285] <... clone3 resumed> => {parent_tid=[6287]}, 88) = 6287 [pid 5065] getdents64(3, [ 180.350263][ T6283] loop4: detected capacity change from 0 to 1024 [ 180.384672][ T6284] loop2: detected capacity change from 0 to 1024 [pid 6285] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6284] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5067] newfstatat(3, "", [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6287] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6285] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] <... mount resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6287] <... rseq resumed>) = 0 [pid 6285] <... futex resumed>) = 0 [pid 6283] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5065] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6287] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5067] getdents64(3, [pid 6287] <... set_robust_list resumed>) = 0 [pid 6285] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6283] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6283] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6287] rt_sigprocmask(SIG_SETMASK, [], [pid 5067] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6287] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6283] <... chdir resumed>) = 0 [pid 6287] memfd_create("syzkaller", 0 [pid 6286] <... write resumed>) = 524288 [pid 6283] ioctl(4, LOOP_CLR_FD [pid 6287] <... memfd_create resumed>) = 3 [pid 6284] <... mount resumed>) = 0 [pid 6287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6284] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6283] <... ioctl resumed>) = 0 [pid 6287] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6284] <... openat resumed>) = 3 [pid 6284] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6283] close(4 [pid 6284] ioctl(4, LOOP_CLR_FD [pid 6283] <... close resumed>) = 0 [pid 6284] <... ioctl resumed>) = 0 [pid 6283] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] munmap(0x7fdb7f81d000, 138412032 [pid 6284] close(4 [pid 6283] <... futex resumed>) = 1 [pid 6281] <... futex resumed>) = 0 [pid 6287] 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"..., 524288 [pid 6286] <... munmap resumed>) = 0 [pid 6284] <... close resumed>) = 0 [pid 6283] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6281] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6281] <... futex resumed>) = 0 [pid 6284] <... futex resumed>) = 1 [pid 6283] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6281] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... futex resumed>) = 0 [pid 6286] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6284] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6283] <... mknod resumed>) = 0 [pid 6280] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... umount2 resumed>) = 0 [pid 6286] <... openat resumed>) = 4 [pid 6284] <... mknod resumed>) = 0 [pid 6286] ioctl(4, LOOP_SET_FD, 3 [pid 6280] <... futex resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 6284] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6287] <... write resumed>) = 524288 [pid 6284] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6280] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6280] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] <... futex resumed>) = 0 [pid 6280] <... futex resumed>) = 1 [pid 6284] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6280] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6283] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6281] <... futex resumed>) = 0 [pid 6283] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6281] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] munmap(0x7fdb7f81d000, 138412032 [pid 6281] <... futex resumed>) = 0 [pid 5067] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] newfstatat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6287] <... munmap resumed>) = 0 [pid 6281] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6287] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6284] <... open resumed>) = 4 [pid 5067] newfstatat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5065] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6287] <... openat resumed>) = 4 [pid 6284] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6287] ioctl(4, LOOP_SET_FD, 3 [pid 6286] <... ioctl resumed>) = 0 [pid 6284] <... futex resumed>) = 1 [pid 6280] <... futex resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6286] close(3 [pid 6280] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] <... close resumed>) = 0 [pid 6280] <... futex resumed>) = 0 [pid 6286] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6280] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6286] <... mkdir resumed>) = 0 [pid 6284] sync( [pid 6283] <... open resumed>) = 4 [pid 6283] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6281] <... futex resumed>) = 0 [pid 6283] sync( [pid 6281] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6281] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6286] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5065] openat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... openat resumed>) = 4 [pid 6287] <... ioctl resumed>) = 0 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(4, "", [pid 6287] close(3 [pid 5067] openat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6287] <... close resumed>) = 0 [pid 5067] <... openat resumed>) = 4 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 180.498247][ T6286] loop0: detected capacity change from 0 to 1024 [ 180.537760][ T6287] loop5: detected capacity change from 0 to 1024 [pid 5067] newfstatat(4, "", [pid 6287] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6286] <... mount resumed>) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(4, [pid 6286] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5067] getdents64(4, [pid 6286] <... openat resumed>) = 3 [pid 6286] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6286] <... chdir resumed>) = 0 [pid 6286] ioctl(4, LOOP_CLR_FD [pid 6280] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] getdents64(4, [pid 6286] <... ioctl resumed>) = 0 [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] getdents64(4, [pid 6286] close(4 [pid 5067] close(4 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6286] <... close resumed>) = 0 [pid 6281] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] <... close resumed>) = 0 [pid 6286] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] close(4 [pid 6287] <... mkdir resumed>) = 0 [pid 5067] rmdir("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6286] <... futex resumed>) = 1 [pid 6282] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 6286] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6282] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] rmdir("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6282] <... futex resumed>) = 0 [pid 6286] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6282] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... rmdir resumed>) = 0 [pid 5065] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6286] <... mknod resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6286] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] newfstatat(AT_FDCWD, "./98/binderfs", [pid 6286] <... futex resumed>) = 1 [pid 6284] <... sync resumed>) = 0 [pid 6282] <... futex resumed>) = 0 [pid 6284] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6287] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6286] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6284] <... futex resumed>) = 0 [pid 6283] <... sync resumed>) = 0 [pid 6282] <... futex resumed>) = 0 [pid 6280] exit_group(0 [pid 5067] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] unlink("./98/binderfs" [pid 6287] <... mount resumed>) = 0 [pid 6286] <... open resumed>) = 4 [pid 6283] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... exit_group resumed>) = ? [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... unlink resumed>) = 0 [pid 6287] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6286] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] +++ exited with 0 +++ [pid 6283] <... futex resumed>) = 0 [pid 6281] exit_group(0 [pid 6280] +++ exited with 0 +++ [pid 5067] newfstatat(AT_FDCWD, "./98/binderfs", [pid 5065] getdents64(3, [pid 6287] <... openat resumed>) = 3 [pid 6281] <... exit_group resumed>) = ? [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6287] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6286] <... futex resumed>) = 1 [pid 6283] +++ exited with 0 +++ [pid 6282] <... futex resumed>) = 0 [pid 6281] +++ exited with 0 +++ [pid 5067] unlink("./98/binderfs" [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6280, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6287] <... chdir resumed>) = 0 [pid 6282] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... unlink resumed>) = 0 [pid 6287] ioctl(4, LOOP_CLR_FD [pid 6286] sync( [pid 6282] <... futex resumed>) = 0 [pid 5067] getdents64(3, [pid 5065] close(3 [pid 6287] <... ioctl resumed>) = 0 [pid 6282] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6287] close(4 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6281, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5067] close(3 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... close resumed>) = 0 [pid 6287] <... close resumed>) = 0 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 5067] <... close resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] rmdir("./98" [pid 6287] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6285] <... futex resumed>) = 0 [pid 5068] <... restart_syscall resumed>) = 0 [pid 5067] rmdir("./98" [pid 5066] <... openat resumed>) = 3 [pid 6287] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6285] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... rmdir resumed>) = 0 [pid 5066] newfstatat(3, "", [pid 6287] <... mknod resumed>) = 0 [pid 6285] <... futex resumed>) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6285] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] getdents64(3, [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6287] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] mkdir("./99", 0777 [pid 6287] <... futex resumed>) = 1 [pid 6285] <... futex resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... mkdir resumed>) = 0 [pid 6287] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6285] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(3, "", [pid 5065] <... rmdir resumed>) = 0 [pid 6285] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6285] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] getdents64(3, [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5066] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] mkdir("./99", 0777 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 3 [pid 5065] <... mkdir resumed>) = 0 [pid 6287] <... open resumed>) = 4 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5066] <... umount2 resumed>) = 0 [pid 6287] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6285] <... futex resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6285] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] close(3 [pid 6282] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6285] <... futex resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 6287] sync( [pid 6285] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] ioctl(3, LOOP_CLR_FD [pid 5066] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] newfstatat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5068] newfstatat(AT_FDCWD, "./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] close(3 [pid 5068] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... close resumed>) = 0 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6288 [pid 5066] openat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] openat(AT_FDCWD, "./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... openat resumed>) = 4 [pid 5068] <... openat resumed>) = 4 [pid 5068] newfstatat(4, "", ./strace-static-x86_64: Process 6288 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5066] newfstatat(4, "", ./strace-static-x86_64: Process 6289 attached [pid 6288] set_robust_list(0x5555556c56a0, 24 [pid 5068] getdents64(4, [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6289] set_robust_list(0x5555556c56a0, 24 [pid 6288] <... set_robust_list resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5066] getdents64(4, [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6289 [pid 6289] <... set_robust_list resumed>) = 0 [pid 6288] chdir("./99") = 0 [pid 6289] chdir("./99" [pid 6288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6288] setpgid(0, 0 [pid 5068] getdents64(4, [pid 6289] <... chdir resumed>) = 0 [pid 6288] <... setpgid resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] getdents64(4, [pid 6289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6287] <... sync resumed>) = 0 [pid 6286] <... sync resumed>) = 0 [pid 5068] close(4 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6289] <... prctl resumed>) = 0 [pid 6288] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5066] close(4 [pid 6289] setpgid(0, 0 [pid 6288] write(3, "1000", 4 [pid 6287] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6286] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] rmdir("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] <... close resumed>) = 0 [pid 6289] <... setpgid resumed>) = 0 [pid 6288] <... write resumed>) = 4 [pid 6287] <... futex resumed>) = 1 [pid 6286] <... futex resumed>) = 0 [pid 6285] <... futex resumed>) = 0 [pid 5068] <... rmdir resumed>) = 0 [pid 6289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] rmdir("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6282] exit_group(0) = ? [pid 6289] <... openat resumed>) = 3 [pid 6288] close(3 [pid 6287] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6285] exit_group(0 [pid 5068] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... rmdir resumed>) = 0 [pid 6288] <... close resumed>) = 0 [pid 6285] <... exit_group resumed>) = ? [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6288] symlink("/dev/binderfs", "./binderfs" [pid 5068] newfstatat(AT_FDCWD, "./99/binderfs", [pid 6289] write(3, "1000", 4 [pid 6288] <... symlink resumed>) = 0 [pid 6287] <... futex resumed>) = ? [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6288] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] unlink("./99/binderfs" [pid 5066] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6289] <... write resumed>) = 4 [pid 6288] <... futex resumed>) = 0 [pid 6287] +++ exited with 0 +++ [pid 6285] +++ exited with 0 +++ [pid 5068] <... unlink resumed>) = 0 [pid 6288] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6286] +++ exited with 0 +++ [pid 6282] +++ exited with 0 +++ [pid 5068] getdents64(3, [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6289] close(3 [pid 6288] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6285, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] newfstatat(AT_FDCWD, "./95/binderfs", [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6282, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6289] <... close resumed>) = 0 [pid 6288] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] restart_syscall(<... resuming interrupted clone ...> [pid 5068] close(3 [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6289] symlink("/dev/binderfs", "./binderfs" [pid 6288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 5069] <... restart_syscall resumed>) = 0 [pid 5066] unlink("./95/binderfs" [pid 5064] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6288] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5068] <... close resumed>) = 0 [pid 5066] <... unlink resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6288] <... mprotect resumed>) = 0 [pid 5068] rmdir("./99" [pid 5066] getdents64(3, [pid 5064] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6288] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5069] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... rmdir resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] <... openat resumed>) = 3 [pid 6288] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] close(3 [pid 5064] newfstatat(3, "", [pid 6288] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5069] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... close resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6289] <... symlink resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5066] rmdir("./95"./strace-static-x86_64: Process 6290 attached [pid 6289] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... rmdir resumed>) = 0 [pid 5064] getdents64(3, [pid 6289] <... futex resumed>) = 0 [pid 6288] <... clone3 resumed> => {parent_tid=[6290]}, 88) = 6290 [pid 5069] newfstatat(3, "", [pid 5068] mkdir("./100", 0777 [pid 6290] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6289] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6288] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6289] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6288] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] getdents64(3, [pid 5066] mkdir("./96", 0777 [pid 5064] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6290] <... rseq resumed>) = 0 [pid 6289] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6288] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5066] <... mkdir resumed>) = 0 [pid 6290] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6290] <... set_robust_list resumed>) = 0 [pid 6289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6288] <... futex resumed>) = 0 [pid 5069] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... openat resumed>) = 3 [pid 6290] rt_sigprocmask(SIG_SETMASK, [], [pid 6289] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6290] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6289] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6288] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5068] ioctl(3, LOOP_CLR_FD [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5066] <... openat resumed>) = 3 [pid 6289] <... mprotect resumed>) = 0 [pid 5068] close(3 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 6290] memfd_create("syzkaller", 0 [pid 6289] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5068] <... close resumed>) = 0 [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] <... umount2 resumed>) = 0 [pid 6289] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6290] <... memfd_create resumed>) = 3 [pid 6289] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... umount2 resumed>) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] close(3./strace-static-x86_64: Process 6291 attached [pid 6289] <... clone3 resumed> => {parent_tid=[6291]}, 88) = 6291 [pid 6291] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6290] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6289] rt_sigprocmask(SIG_SETMASK, [], [pid 5066] <... close resumed>) = 0 [pid 5064] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6289] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556c5690) = 6293 [pid 5069] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6290] 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"..., 524288 [pid 6289] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6293 attached [pid 5069] newfstatat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", ./strace-static-x86_64: Process 6292 attached [pid 6293] set_robust_list(0x5555556c56a0, 24 [pid 6291] <... rseq resumed>) = 0 [pid 6289] <... futex resumed>) = 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6292 [pid 5064] newfstatat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6291] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6289] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6292] set_robust_list(0x5555556c56a0, 24 [pid 6293] <... set_robust_list resumed>) = 0 [pid 6291] <... set_robust_list resumed>) = 0 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6292] <... set_robust_list resumed>) = 0 [pid 6293] chdir("./96" [pid 6292] chdir("./100" [pid 6293] <... chdir resumed>) = 0 [pid 5069] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6292] <... chdir resumed>) = 0 [pid 6291] rt_sigprocmask(SIG_SETMASK, [], [pid 5064] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6291] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6293] <... prctl resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6293] setpgid(0, 0 [pid 6291] memfd_create("syzkaller", 0 [pid 5069] <... openat resumed>) = 4 [pid 5064] openat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6293] <... setpgid resumed>) = 0 [pid 6291] <... memfd_create resumed>) = 3 [pid 5069] newfstatat(4, "", [pid 6292] <... prctl resumed>) = 0 [pid 6293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6291] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... openat resumed>) = 4 [pid 6292] setpgid(0, 0 [pid 6293] <... openat resumed>) = 3 [pid 6291] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] getdents64(4, [pid 5064] newfstatat(4, "", [pid 6292] <... setpgid resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6293] write(3, "1000", 4 [pid 5069] getdents64(4, [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6292] <... openat resumed>) = 3 [pid 6291] 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"..., 524288 [pid 6292] write(3, "1000", 4 [pid 6293] <... write resumed>) = 4 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6292] <... write resumed>) = 4 [pid 6292] close(3 [pid 6293] close(3 [pid 5069] close(4 [pid 6292] <... close resumed>) = 0 [pid 6293] <... close resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 6292] symlink("/dev/binderfs", "./binderfs" [pid 6293] symlink("/dev/binderfs", "./binderfs" [pid 5069] rmdir("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6292] <... symlink resumed>) = 0 [pid 6293] <... symlink resumed>) = 0 [pid 5064] getdents64(4, [pid 6292] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... rmdir resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6292] <... futex resumed>) = 0 [pid 6292] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6293] <... futex resumed>) = 0 [pid 6292] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6293] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6293] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6293] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5069] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] getdents64(4, [pid 6292] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6292] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6293] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5069] newfstatat(AT_FDCWD, "./97/binderfs", [pid 6292] <... mprotect resumed>) = 0 [pid 6293] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6292] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6293] <... mprotect resumed>) = 0 [pid 5069] unlink("./97/binderfs" [pid 6292] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6293] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6293] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6290] <... write resumed>) = 524288 [pid 5069] <... unlink resumed>) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6293] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 6294 attached [pid 5064] close(4 [pid 5069] getdents64(3, ./strace-static-x86_64: Process 6295 attached [pid 6294] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6292] <... clone3 resumed> => {parent_tid=[6294]}, 88) = 6294 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6295] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6294] <... rseq resumed>) = 0 [pid 6292] rt_sigprocmask(SIG_SETMASK, [], [pid 6293] <... clone3 resumed> => {parent_tid=[6295]}, 88) = 6295 [pid 5064] <... close resumed>) = 0 [pid 6295] <... rseq resumed>) = 0 [pid 6294] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6292] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6293] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] close(3 [pid 5064] rmdir("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6295] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6294] <... set_robust_list resumed>) = 0 [pid 6292] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... close resumed>) = 0 [pid 6295] <... set_robust_list resumed>) = 0 [pid 6294] rt_sigprocmask(SIG_SETMASK, [], [pid 6292] <... futex resumed>) = 0 [pid 6293] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] rmdir("./97" [pid 6295] rt_sigprocmask(SIG_SETMASK, [], [pid 6294] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6292] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6293] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... rmdir resumed>) = 0 [pid 5064] <... rmdir resumed>) = 0 [pid 6295] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6294] memfd_create("syzkaller", 0 [pid 6295] memfd_create("syzkaller", 0 [pid 6293] <... futex resumed>) = 0 [pid 6295] <... memfd_create resumed>) = 3 [pid 6294] <... memfd_create resumed>) = 3 [pid 6293] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5069] mkdir("./98", 0777 [pid 6295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 6295] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5069] <... mkdir resumed>) = 0 [pid 5064] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6291] <... write resumed>) = 524288 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./98/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6290] munmap(0x7fdb7f81d000, 138412032 [pid 5064] unlink("./98/binderfs") = 0 [pid 5064] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] close(3 [pid 6295] 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"..., 524288 [pid 5064] <... close resumed>) = 0 [pid 6291] munmap(0x7fdb7f81d000, 138412032 [pid 5064] rmdir("./98" [pid 6294] 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"..., 524288 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5064] <... rmdir resumed>) = 0 [pid 6294] <... write resumed>) = 524288 [pid 6291] <... munmap resumed>) = 0 [pid 6290] <... munmap resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5064] mkdir("./99", 0777 [pid 6291] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6290] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5064] <... mkdir resumed>) = 0 [pid 6291] <... openat resumed>) = 4 [pid 6290] <... openat resumed>) = 4 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6295] <... write resumed>) = 524288 [pid 6291] ioctl(4, LOOP_SET_FD, 3 [pid 6290] ioctl(4, LOOP_SET_FD, 3 [pid 5064] <... openat resumed>) = 3 [pid 6294] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 6294] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 6294] ioctl(4, LOOP_SET_FD, 3 [pid 6290] <... ioctl resumed>) = 0 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] close(3) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6296 attached [pid 6295] munmap(0x7fdb7f81d000, 138412032 [pid 6294] <... ioctl resumed>) = 0 [pid 6291] <... ioctl resumed>) = 0 [pid 6290] close(3 [pid 6296] set_robust_list(0x5555556c56a0, 24 [pid 6294] close(3 [pid 6291] close(3 [pid 6290] <... close resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6296 [pid 6296] <... set_robust_list resumed>) = 0 [pid 6294] <... close resumed>) = 0 [pid 6291] <... close resumed>) = 0 [pid 6295] <... munmap resumed>) = 0 [pid 6290] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6296] chdir("./99" [pid 6295] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6294] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6291] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6290] <... mkdir resumed>) = 0 [pid 6296] <... chdir resumed>) = 0 [pid 6295] <... openat resumed>) = 4 [pid 6294] <... mkdir resumed>) = 0 [ 181.025592][ T6291] loop1: detected capacity change from 0 to 1024 [ 181.033413][ T6290] loop3: detected capacity change from 0 to 1024 [ 181.036965][ T6294] loop4: detected capacity change from 0 to 1024 [pid 6290] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6295] ioctl(4, LOOP_SET_FD, 3 [pid 6291] <... mkdir resumed>) = 0 [pid 6296] <... prctl resumed>) = 0 [pid 6296] setpgid(0, 0 [pid 6295] <... ioctl resumed>) = 0 [pid 6294] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6296] <... setpgid resumed>) = 0 [pid 6291] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6290] <... mount resumed>) = 0 [pid 5069] <... ioctl resumed>) = 0 [pid 6296] <... openat resumed>) = 3 [pid 6290] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] close(3 [pid 6290] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 6290] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6296] write(3, "1000", 4 [pid 6291] <... mount resumed>) = 0 [pid 6290] <... chdir resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6296] <... write resumed>) = 4 [pid 6291] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6290] ioctl(4, LOOP_CLR_FD [pid 6296] close(3 [pid 6291] <... openat resumed>) = 3 [pid 6290] <... ioctl resumed>) = 0 [pid 6296] <... close resumed>) = 0 [pid 6291] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6290] close(4 [pid 6296] symlink("/dev/binderfs", "./binderfs" [pid 6291] <... chdir resumed>) = 0 [pid 6290] <... close resumed>) = 0 [pid 6296] <... symlink resumed>) = 0 [pid 6295] close(3 [pid 6291] ioctl(4, LOOP_CLR_FD [pid 6290] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6297 attached [pid 6296] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... close resumed>) = 0 [pid 6294] <... mount resumed>) = 0 [pid 6291] <... ioctl resumed>) = 0 [pid 6290] <... futex resumed>) = 1 [pid 6288] <... futex resumed>) = 0 [pid 6296] <... futex resumed>) = 0 [pid 6295] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6294] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6291] close(4 [pid 6288] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6297 [pid 6297] set_robust_list(0x5555556c56a0, 24) = 0 [pid 6296] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6295] <... mkdir resumed>) = 0 [pid 6294] <... openat resumed>) = 3 [pid 6291] <... close resumed>) = 0 [pid 6290] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6288] <... futex resumed>) = 0 [pid 6291] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6289] <... futex resumed>) = 0 [pid 6296] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6291] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6289] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] chdir("./98" [pid 6296] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6295] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6294] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6291] <... mknod resumed>) = 0 [pid 6290] <... mknod resumed>) = 0 [pid 6289] <... futex resumed>) = 0 [pid 6288] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6297] <... chdir resumed>) = 0 [pid 6296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6294] <... chdir resumed>) = 0 [pid 6291] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6294] ioctl(4, LOOP_CLR_FD [pid 6291] <... futex resumed>) = 0 [pid 6290] <... futex resumed>) = 0 [pid 6289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6294] <... ioctl resumed>) = 0 [pid 6291] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6290] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... prctl resumed>) = 0 [ 181.068108][ T6295] loop2: detected capacity change from 0 to 1024 [pid 6288] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] setpgid(0, 0 [pid 6296] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6294] close(4 [pid 6291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6289] <... futex resumed>) = 0 [pid 6288] <... futex resumed>) = 0 [pid 6297] <... setpgid resumed>) = 0 [pid 6296] <... mprotect resumed>) = 0 [pid 6294] <... close resumed>) = 0 [pid 6291] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6290] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6289] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6288] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6296] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6294] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] <... open resumed>) = 4 [pid 6296] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6295] <... mount resumed>) = 0 [pid 6297] <... openat resumed>) = 3 [pid 6294] <... futex resumed>) = 1 [pid 6292] <... futex resumed>) = 0 [pid 6297] write(3, "1000", 4 [pid 6295] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6294] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6292] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... write resumed>) = 4 [pid 6296] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6292] <... futex resumed>) = 0 [pid 6291] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6298 attached [pid 6297] close(3 [pid 6295] <... openat resumed>) = 3 [pid 6294] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6292] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] <... futex resumed>) = 1 [pid 6290] <... open resumed>) = 4 [pid 6289] <... futex resumed>) = 0 [pid 6298] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6297] <... close resumed>) = 0 [pid 6296] <... clone3 resumed> => {parent_tid=[6298]}, 88) = 6298 [pid 6295] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6294] <... mknod resumed>) = 0 [pid 6291] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... rseq resumed>) = 0 [pid 6297] symlink("/dev/binderfs", "./binderfs" [pid 6296] rt_sigprocmask(SIG_SETMASK, [], [pid 6295] <... chdir resumed>) = 0 [pid 6294] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6290] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... futex resumed>) = 0 [pid 6298] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6297] <... symlink resumed>) = 0 [pid 6296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6295] ioctl(4, LOOP_CLR_FD [pid 6294] <... futex resumed>) = 1 [pid 6292] <... futex resumed>) = 0 [pid 6291] sync( [pid 6290] <... futex resumed>) = 1 [pid 6289] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6288] <... futex resumed>) = 0 [pid 6298] <... set_robust_list resumed>) = 0 [pid 6297] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... ioctl resumed>) = 0 [pid 6294] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6292] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] sync( [pid 6288] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... futex resumed>) = 0 [pid 6295] close(4 [pid 6288] <... futex resumed>) = 0 [pid 6298] rt_sigprocmask(SIG_SETMASK, [], [pid 6297] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6296] <... futex resumed>) = 0 [pid 6295] <... close resumed>) = 0 [pid 6294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6292] <... futex resumed>) = 0 [pid 6288] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6297] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6296] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6295] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6292] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6298] memfd_create("syzkaller", 0 [pid 6297] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6295] <... futex resumed>) = 1 [pid 6293] <... futex resumed>) = 0 [pid 6298] <... memfd_create resumed>) = 3 [pid 6297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6295] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6293] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6293] <... futex resumed>) = 0 [pid 6297] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6295] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6294] <... open resumed>) = 4 [pid 6293] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6295] <... mknod resumed>) = 0 [pid 6295] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... futex resumed>) = 1 [pid 6293] <... futex resumed>) = 0 [pid 6297] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6294] <... futex resumed>) = 1 [pid 6292] <... futex resumed>) = 0 [pid 6298] 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"..., 524288 [pid 6297] <... mprotect resumed>) = 0 [pid 6294] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6292] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6293] <... futex resumed>) = 0 [pid 6291] <... sync resumed>) = 0 [pid 6290] <... sync resumed>) = 0 [pid 6295] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6292] <... futex resumed>) = 0 [pid 6293] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6292] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] <... futex resumed>) = 1 [pid 6289] <... futex resumed>) = 0 [pid 6294] sync( [pid 6291] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6289] exit_group(0 [pid 6297] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6290] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... exit_group resumed>) = ? [pid 6291] <... futex resumed>) = ? [pid 6297] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6291] +++ exited with 0 +++ [pid 6290] <... futex resumed>) = 1 [pid 6289] +++ exited with 0 +++ [pid 6288] <... futex resumed>) = 0 [pid 6297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6290] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6288] exit_group(0 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6289, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6290] <... futex resumed>) = ? [pid 6288] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6299 attached [pid 6299] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 5065] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6299] <... rseq resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6299] set_robust_list(0x7fdb87c3d9a0, 24 [pid 5065] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6299] <... set_robust_list resumed>) = 0 [pid 6297] <... clone3 resumed> => {parent_tid=[6299]}, 88) = 6299 [pid 5065] <... openat resumed>) = 3 [pid 6299] rt_sigprocmask(SIG_SETMASK, [], [pid 6297] rt_sigprocmask(SIG_SETMASK, [], [pid 6290] +++ exited with 0 +++ [pid 6288] +++ exited with 0 +++ [pid 5065] newfstatat(3, "", [pid 6299] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6299] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6298] <... write resumed>) = 524288 [pid 6297] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6294] <... sync resumed>) = 0 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6288, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5065] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6294] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6294] <... futex resumed>) = 1 [pid 6294] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6292] <... futex resumed>) = 0 [pid 6292] exit_group(0 [pid 6294] <... futex resumed>) = ? [pid 6292] <... exit_group resumed>) = ? [pid 6294] +++ exited with 0 +++ [pid 6292] +++ exited with 0 +++ [pid 6298] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 6297] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... open resumed>) = 4 [pid 6293] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5067] restart_syscall(<... resuming interrupted clone ...> [pid 5065] <... umount2 resumed>) = 0 [pid 5067] <... restart_syscall resumed>) = 0 [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6292, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6297] <... futex resumed>) = 1 [pid 6295] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] restart_syscall(<... resuming interrupted clone ...> [pid 6299] <... futex resumed>) = 0 [pid 6299] memfd_create("syzkaller", 0 [pid 6298] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6299] <... memfd_create resumed>) = 3 [pid 6298] <... openat resumed>) = 4 [pid 6298] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6297] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6295] <... futex resumed>) = 0 [pid 6293] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... restart_syscall resumed>) = 0 [pid 6299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6295] sync( [pid 6293] <... futex resumed>) = 0 [pid 5067] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6299] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6293] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6299] 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"..., 524288 [pid 5068] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 3 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] getdents64(3, [pid 5068] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5068] newfstatat(3, "", [pid 6295] <... sync resumed>) = 0 [pid 5067] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6295] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6293] <... futex resumed>) = 0 [pid 5068] getdents64(3, [pid 6295] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6293] exit_group(0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6295] <... futex resumed>) = ? [pid 6293] <... exit_group resumed>) = ? [pid 5068] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6295] +++ exited with 0 +++ [pid 6293] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6293, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5065] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6298] close(3 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6298] <... close resumed>) = 0 [pid 5067] <... umount2 resumed>) = 0 [pid 6298] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5066] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6298] <... mkdir resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6298] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6299] <... write resumed>) = 524288 [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... openat resumed>) = 3 [pid 5067] newfstatat(AT_FDCWD, "./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5066] newfstatat(3, "", [pid 6299] munmap(0x7fdb7f81d000, 138412032 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 181.276747][ T6298] loop0: detected capacity change from 0 to 1024 [pid 5065] newfstatat(AT_FDCWD, "./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6299] <... munmap resumed>) = 0 [pid 5067] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6299] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5066] getdents64(3, [pid 5065] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6299] <... openat resumed>) = 4 [pid 5067] openat(AT_FDCWD, "./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6299] ioctl(4, LOOP_SET_FD, 3 [pid 5065] openat(AT_FDCWD, "./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... openat resumed>) = 4 [pid 5066] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... openat resumed>) = 4 [pid 5065] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] newfstatat(4, "", [pid 5065] getdents64(4, [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(4, [pid 5065] getdents64(4, [pid 5067] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5067] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] close(4 [pid 5067] close(4 [pid 6298] <... mount resumed>) = 0 [pid 5067] <... close resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 6298] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5065] rmdir("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6298] <... openat resumed>) = 3 [pid 5067] rmdir("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] <... rmdir resumed>) = 0 [pid 6298] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6298] ioctl(4, LOOP_CLR_FD [pid 5065] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6298] <... ioctl resumed>) = 0 [pid 5068] <... umount2 resumed>) = 0 [pid 5067] <... rmdir resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6299] <... ioctl resumed>) = 0 [pid 6299] close(3) = 0 [ 181.332410][ T6299] loop5: detected capacity change from 0 to 1024 [pid 6299] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5068] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6298] close(4 [pid 5065] newfstatat(AT_FDCWD, "./99/binderfs", [pid 6298] <... close resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6299] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6298] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] unlink("./99/binderfs" [pid 6298] <... futex resumed>) = 1 [pid 5065] <... unlink resumed>) = 0 [pid 6298] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5065] close(3) = 0 [pid 5065] rmdir("./99" [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] newfstatat(AT_FDCWD, "./99/binderfs", [pid 5066] <... umount2 resumed>) = 0 [pid 5065] <... rmdir resumed>) = 0 [pid 5068] newfstatat(AT_FDCWD, "./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6296] <... futex resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5067] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] unlink("./99/binderfs" [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6299] <... mount resumed>) = 0 [pid 6296] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] openat(AT_FDCWD, "./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] <... unlink resumed>) = 0 [pid 5066] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] mkdir("./100", 0777 [pid 5068] <... openat resumed>) = 4 [pid 5067] getdents64(3, [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... mkdir resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5068] newfstatat(4, "", [pid 5067] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6298] <... futex resumed>) = 0 [pid 6296] <... futex resumed>) = 1 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6298] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6296] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5067] close(3 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] <... openat resumed>) = 3 [pid 6299] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6298] <... mknod resumed>) = 0 [pid 5068] getdents64(4, [pid 5067] <... close resumed>) = 0 [pid 5066] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] ioctl(3, LOOP_CLR_FD [pid 6299] <... openat resumed>) = 3 [pid 6298] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5067] rmdir("./99" [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6299] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6298] <... futex resumed>) = 1 [pid 6296] <... futex resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] close(3 [pid 6299] <... chdir resumed>) = 0 [pid 6298] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] <... rmdir resumed>) = 0 [pid 5066] <... openat resumed>) = 4 [pid 5065] <... close resumed>) = 0 [pid 6299] ioctl(4, LOOP_CLR_FD [pid 6296] <... futex resumed>) = 0 [pid 5068] getdents64(4, [pid 5067] mkdir("./100", 0777 [pid 5066] newfstatat(4, "", [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6299] <... ioctl resumed>) = 0 [pid 6298] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6299] close(4 [pid 5068] close(4 [pid 5067] <... mkdir resumed>) = 0 [pid 5066] getdents64(4, ./strace-static-x86_64: Process 6300 attached [pid 6299] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6300] set_robust_list(0x5555556c56a0, 24 [pid 6299] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] <... open resumed>) = 4 [pid 5068] rmdir("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5066] getdents64(4, [pid 6300] <... set_robust_list resumed>) = 0 [pid 6299] <... futex resumed>) = 1 [pid 6298] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6297] <... futex resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5066] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6300 [pid 6300] chdir("./100" [pid 6299] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6298] <... futex resumed>) = 1 [pid 6297] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] <... futex resumed>) = 0 [pid 5066] close(4 [pid 6299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6298] sync( [pid 6297] <... futex resumed>) = 0 [pid 6296] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... close resumed>) = 0 [pid 6300] <... chdir resumed>) = 0 [pid 6299] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6297] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6296] <... futex resumed>) = 0 [pid 5066] rmdir("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6299] <... mknod resumed>) = 0 [pid 6296] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] ioctl(3, LOOP_CLR_FD [pid 6300] <... prctl resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 6300] setpgid(0, 0) = 0 [pid 6300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... rmdir resumed>) = 0 [pid 5066] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6300] <... openat resumed>) = 3 [pid 6299] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6297] <... futex resumed>) = 0 [pid 5066] newfstatat(AT_FDCWD, "./96/binderfs", [pid 6300] write(3, "1000", 4 [pid 6299] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6297] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] <... write resumed>) = 4 [pid 6299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6297] <... futex resumed>) = 0 [pid 6300] close(3 [pid 6299] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6297] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5066] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6300] <... close resumed>) = 0 [pid 6300] symlink("/dev/binderfs", "./binderfs" [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./100/binderfs", [pid 5066] unlink("./96/binderfs" [pid 6300] <... symlink resumed>) = 0 [pid 5068] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] <... unlink resumed>) = 0 [pid 6300] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6299] <... open resumed>) = 4 [pid 5068] unlink("./100/binderfs" [pid 5066] getdents64(3, [pid 6300] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6299] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6299] <... futex resumed>) = 1 [pid 6297] <... futex resumed>) = 0 [pid 6300] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6299] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6297] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6297] <... futex resumed>) = 0 [pid 5068] <... unlink resumed>) = 0 [pid 5066] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6299] sync( [pid 6297] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6300] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5068] getdents64(3, [pid 5066] close(3 [pid 6300] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6298] <... sync resumed>) = 0 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5066] <... close resumed>) = 0 [pid 6298] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6298] <... futex resumed>) = 1 [pid 6296] <... futex resumed>) = 0 [pid 5068] close(3 [pid 5067] <... ioctl resumed>) = 0 [pid 5066] rmdir("./96" [pid 6300] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 5068] <... close resumed>) = 0 [pid 5066] <... rmdir resumed>) = 0 [pid 5068] rmdir("./100" [pid 6300] <... clone3 resumed> => {parent_tid=[6301]}, 88) = 6301 [pid 6296] exit_group(0) = ? [pid 6300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6300] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6301 attached ) = 0 [pid 6301] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6300] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6298] +++ exited with 0 +++ [pid 6296] +++ exited with 0 +++ [pid 6301] <... rseq resumed>) = 0 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6296, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6301] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 6301] rt_sigprocmask(SIG_SETMASK, [], [pid 5064] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6301] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6301] memfd_create("syzkaller", 0 [pid 5064] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6301] <... memfd_create resumed>) = 3 [pid 5068] <... rmdir resumed>) = 0 [pid 5066] mkdir("./97", 0777 [pid 5064] <... openat resumed>) = 3 [pid 6301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5064] newfstatat(3, "", [pid 6301] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6301] 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"..., 524288 [pid 6297] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] mkdir("./101", 0777 [pid 5066] <... mkdir resumed>) = 0 [pid 5064] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5064] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... mkdir resumed>) = 0 [pid 5067] close(3) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5066] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5064] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 6302 attached [pid 6299] <... sync resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... clone resumed>, child_tidptr=0x5555556c5690) = 6302 [pid 6302] set_robust_list(0x5555556c56a0, 24 [pid 6299] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] ioctl(3, LOOP_CLR_FD [pid 6299] <... futex resumed>) = 0 [pid 6302] <... set_robust_list resumed>) = 0 [pid 6297] exit_group(0 [pid 5068] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6302] chdir("./100" [pid 6297] <... exit_group resumed>) = ? [pid 5068] close(3 [pid 5066] <... openat resumed>) = 3 [pid 5064] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6302] <... chdir resumed>) = 0 [pid 6299] +++ exited with 0 +++ [pid 6297] +++ exited with 0 +++ [pid 5068] <... close resumed>) = 0 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6297, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] newfstatat(AT_FDCWD, "./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6302] <... prctl resumed>) = 0 [pid 5066] close(3 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5069] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] <... clone resumed>, child_tidptr=0x5555556c5690) = 6303 [pid 5066] <... close resumed>) = 0 [pid 6302] setpgid(0, 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6302] <... setpgid resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] openat(AT_FDCWD, "./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6303 attached [pid 6302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6301] <... write resumed>) = 524288 [pid 5069] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] <... openat resumed>) = 4 [pid 6303] set_robust_list(0x5555556c56a0, 24) = 0 [pid 5064] newfstatat(4, "", [pid 6303] chdir("./101" [pid 5069] <... openat resumed>) = 3 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5069] newfstatat(3, "", [pid 5066] <... clone resumed>, child_tidptr=0x5555556c5690) = 6304 [pid 6303] <... chdir resumed>) = 0 [pid 6302] <... openat resumed>) = 3 [pid 5064] getdents64(4, ./strace-static-x86_64: Process 6304 attached [pid 6303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6302] write(3, "1000", 4 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5064] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6304] set_robust_list(0x5555556c56a0, 24 [pid 6303] <... prctl resumed>) = 0 [pid 6301] munmap(0x7fdb7f81d000, 138412032 [pid 5069] getdents64(3, [pid 6302] <... write resumed>) = 4 [pid 5064] close(4 [pid 6303] setpgid(0, 0 [pid 6301] <... munmap resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 6303] <... setpgid resumed>) = 0 [pid 5064] rmdir("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6304] <... set_robust_list resumed>) = 0 [pid 6303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6302] close(3 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6304] chdir("./97" [pid 6303] <... openat resumed>) = 3 [pid 6302] <... close resumed>) = 0 [pid 6301] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5069] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... rmdir resumed>) = 0 [pid 6304] <... chdir resumed>) = 0 [pid 6303] write(3, "1000", 4 [pid 6302] symlink("/dev/binderfs", "./binderfs" [pid 6301] <... openat resumed>) = 4 [pid 6303] <... write resumed>) = 4 [pid 6301] ioctl(4, LOOP_SET_FD, 3 [pid 5064] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6303] close(3 [pid 6302] <... symlink resumed>) = 0 [pid 6304] <... prctl resumed>) = 0 [pid 6304] setpgid(0, 0 [pid 6303] <... close resumed>) = 0 [pid 5064] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6303] symlink("/dev/binderfs", "./binderfs" [pid 6304] <... setpgid resumed>) = 0 [pid 5064] newfstatat(AT_FDCWD, "./99/binderfs", [pid 6304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5064] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] unlink("./99/binderfs" [pid 6304] <... openat resumed>) = 3 [pid 6303] <... symlink resumed>) = 0 [pid 5064] <... unlink resumed>) = 0 [pid 5064] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5064] close(3 [pid 6303] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... close resumed>) = 0 [pid 6303] <... futex resumed>) = 0 [pid 5064] rmdir("./99" [pid 6304] write(3, "1000", 4 [pid 6303] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6302] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... rmdir resumed>) = 0 [pid 6304] <... write resumed>) = 4 [pid 6303] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6302] <... futex resumed>) = 0 [pid 6304] close(3 [pid 6303] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6301] <... ioctl resumed>) = 0 [pid 5064] mkdir("./100", 0777 [pid 6303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5064] <... mkdir resumed>) = 0 [pid 6303] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6304] <... close resumed>) = 0 [pid 6303] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6302] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6301] close(3 [pid 6304] symlink("/dev/binderfs", "./binderfs" [pid 6303] <... mprotect resumed>) = 0 [pid 6302] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6301] <... close resumed>) = 0 [pid 6302] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6304] <... symlink resumed>) = 0 [pid 6303] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6301] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6301] <... mkdir resumed>) = 0 [pid 6304] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6303] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6302] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5064] <... openat resumed>) = 3 [pid 6304] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6303] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6302] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 5069] <... umount2 resumed>) = 0 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 6304] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6302] <... mprotect resumed>) = 0 [pid 5069] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6305 attached [pid 6304] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6303] <... clone3 resumed> => {parent_tid=[6305]}, 88) = 6305 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] close(3 [pid 6305] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6303] rt_sigprocmask(SIG_SETMASK, [], [pid 6302] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6301] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5069] newfstatat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5064] <... close resumed>) = 0 [pid 6305] <... rseq resumed>) = 0 [pid 6304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6303] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6302] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6301] <... mount resumed>) = 0 [ 181.571536][ T6301] loop1: detected capacity change from 0 to 1024 [pid 6305] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6304] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6303] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6301] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6305] <... set_robust_list resumed>) = 0 [pid 6304] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6303] <... futex resumed>) = 0 [pid 6301] <... openat resumed>) = 3 [pid 5069] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6306 attached [pid 6305] rt_sigprocmask(SIG_SETMASK, [], [pid 6304] <... mprotect resumed>) = 0 [pid 6303] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6301] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6302] <... clone3 resumed> => {parent_tid=[6306]}, 88) = 6306 [pid 6306] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6305] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6301] <... chdir resumed>) = 0 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6307 attached [pid 6306] <... rseq resumed>) = 0 [pid 6305] memfd_create("syzkaller", 0 [pid 6304] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6302] rt_sigprocmask(SIG_SETMASK, [], [pid 6301] ioctl(4, LOOP_CLR_FD [pid 5069] openat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6307] set_robust_list(0x5555556c56a0, 24 [pid 6306] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6305] <... memfd_create resumed>) = 3 [pid 6304] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6302] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6301] <... ioctl resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x5555556c5690) = 6307 [pid 6307] <... set_robust_list resumed>) = 0 [pid 6306] <... set_robust_list resumed>) = 0 [pid 6305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6302] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] close(4 [pid 5069] <... openat resumed>) = 4 [pid 6301] <... close resumed>) = 0 [pid 6301] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6300] <... futex resumed>) = 0 [pid 6300] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6300] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6307] chdir("./100" [pid 6305] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6301] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6305] 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"..., 524288 [pid 6306] rt_sigprocmask(SIG_SETMASK, [], [pid 6302] <... futex resumed>) = 0 [pid 6307] <... chdir resumed>) = 0 [pid 6301] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6301] <... futex resumed>) = 1 [pid 6300] <... futex resumed>) = 0 [pid 6307] <... prctl resumed>) = 0 [pid 6300] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6307] setpgid(0, 0 [pid 6301] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6300] <... futex resumed>) = 0 [pid 6300] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6307] <... setpgid resumed>) = 0 [pid 6307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6307] write(3, "1000", 4) = 4 [pid 6307] close(3) = 0 [pid 6307] symlink("/dev/binderfs", "./binderfs" [pid 6306] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6302] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6308 attached [pid 6307] <... symlink resumed>) = 0 [pid 5069] newfstatat(4, "", [pid 6306] memfd_create("syzkaller", 0 [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6304] <... clone3 resumed> => {parent_tid=[6308]}, 88) = 6308 [pid 6308] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6306] <... memfd_create resumed>) = 3 [pid 6304] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] getdents64(4, [pid 6308] <... rseq resumed>) = 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 6304] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] getdents64(4, [pid 6306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... getdents64 resumed>0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 6304] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] close(4 [pid 6308] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6304] <... futex resumed>) = 0 [pid 6306] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6308] <... set_robust_list resumed>) = 0 [pid 6307] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6301] <... open resumed>) = 4 [pid 5069] <... close resumed>) = 0 [pid 6308] rt_sigprocmask(SIG_SETMASK, [], [pid 6307] <... futex resumed>) = 0 [pid 6301] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] rmdir("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6307] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6301] <... futex resumed>) = 1 [pid 6300] <... futex resumed>) = 0 [pid 6308] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6307] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6301] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6300] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] memfd_create("syzkaller", 0 [pid 6307] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6300] <... futex resumed>) = 0 [pid 5069] <... rmdir resumed>) = 0 [pid 6308] <... memfd_create resumed>) = 3 [pid 6307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6301] sync( [pid 6300] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6305] <... write resumed>) = 524288 [pid 5069] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6308] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6307] <... mmap resumed>) = 0x7fdb87c1d000 [pid 5069] newfstatat(AT_FDCWD, "./98/binderfs", [pid 6307] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6306] 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"..., 524288 [pid 5069] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6307] <... mprotect resumed>) = 0 [pid 6305] munmap(0x7fdb7f81d000, 138412032 [pid 6308] 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"..., 524288 [pid 5069] unlink("./98/binderfs" [pid 6307] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6305] <... munmap resumed>) = 0 [pid 6307] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6307] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 6309 attached [pid 6309] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6307] <... clone3 resumed> => {parent_tid=[6309]}, 88) = 6309 [pid 6309] <... rseq resumed>) = 0 [pid 6307] rt_sigprocmask(SIG_SETMASK, [], [pid 6305] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5069] <... unlink resumed>) = 0 [pid 6309] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6307] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6305] <... openat resumed>) = 4 [pid 6309] <... set_robust_list resumed>) = 0 [pid 6301] <... sync resumed>) = 0 [pid 6309] rt_sigprocmask(SIG_SETMASK, [], [pid 6301] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6301] <... futex resumed>) = 1 [pid 6300] <... futex resumed>) = 0 [pid 5069] getdents64(3, [pid 6309] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6300] exit_group(0) = ? [pid 6307] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6309] <... futex resumed>) = 0 [pid 6307] <... futex resumed>) = 1 [pid 6309] memfd_create("syzkaller", 0 [pid 6305] ioctl(4, LOOP_SET_FD, 3 [pid 5069] close(3 [pid 6309] <... memfd_create resumed>) = 3 [pid 6301] +++ exited with 0 +++ [pid 6300] +++ exited with 0 +++ [pid 6309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6307] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6309] <... mmap resumed>) = 0x7fdb7f81d000 [pid 5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6300, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5065] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6309] 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"..., 524288 [pid 6306] <... write resumed>) = 524288 [pid 5069] <... close resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6308] <... write resumed>) = 524288 [pid 6306] munmap(0x7fdb7f81d000, 138412032 [pid 5069] rmdir("./98" [pid 5065] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] <... rmdir resumed>) = 0 [pid 5065] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5065] getdents64(3, 0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 5065] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6308] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 5065] <... umount2 resumed>) = 0 [pid 6306] <... munmap resumed>) = 0 [pid 6306] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6305] <... ioctl resumed>) = 0 [pid 5069] mkdir("./99", 0777 [pid 6308] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6305] close(3 [pid 6308] <... openat resumed>) = 4 [pid 6305] <... close resumed>) = 0 [pid 6308] ioctl(4, LOOP_SET_FD, 3 [pid 6305] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5069] <... mkdir resumed>) = 0 [pid 6306] <... openat resumed>) = 4 [pid 6305] <... mkdir resumed>) = 0 [ 181.735281][ T6305] loop4: detected capacity change from 0 to 1024 [ 181.770125][ T6308] loop2: detected capacity change from 0 to 1024 [pid 6309] <... write resumed>) = 524288 [pid 6306] ioctl(4, LOOP_SET_FD, 3 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5065] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6305] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] newfstatat(AT_FDCWD, "./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5065] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5065] openat(AT_FDCWD, "./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5065] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5065] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5065] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5065] close(4 [pid 5069] ioctl(3, LOOP_CLR_FD [pid 5065] <... close resumed>) = 0 [pid 5069] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5065] rmdir("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6309] munmap(0x7fdb7f81d000, 138412032 [pid 6305] <... mount resumed>) = 0 [pid 5069] close(3 [pid 5065] <... rmdir resumed>) = 0 [pid 6309] <... munmap resumed>) = 0 [pid 6308] <... ioctl resumed>) = 0 [pid 6305] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5069] <... close resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6305] <... openat resumed>) = 3 [pid 6308] close(3 [pid 6305] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6308] <... close resumed>) = 0 [pid 6309] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6308] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6305] <... chdir resumed>) = 0 [pid 5065] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6309] <... openat resumed>) = 4 [pid 6308] <... mkdir resumed>) = 0 [pid 6305] ioctl(4, LOOP_CLR_FD [pid 5065] newfstatat(AT_FDCWD, "./100/binderfs", [pid 6309] ioctl(4, LOOP_SET_FD, 3 [pid 6305] <... ioctl resumed>) = 0 [pid 5065] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6306] <... ioctl resumed>) = 0 [pid 6306] close(3./strace-static-x86_64: Process 6310 attached [pid 6308] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6306] <... close resumed>) = 0 [pid 6305] close(4 [pid 5065] unlink("./100/binderfs" [pid 6310] set_robust_list(0x5555556c56a0, 24 [pid 6305] <... close resumed>) = 0 [pid 5065] <... unlink resumed>) = 0 [pid 6310] <... set_robust_list resumed>) = 0 [pid 6306] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6305] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... clone resumed>, child_tidptr=0x5555556c5690) = 6310 [pid 5065] getdents64(3, [pid 6305] <... futex resumed>) = 1 [pid 5065] <... getdents64 resumed>0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 6305] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] close(3 [pid 6303] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 6303] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] rmdir("./100" [pid 6306] <... mkdir resumed>) = 0 [pid 6305] <... futex resumed>) = 0 [pid 6303] <... futex resumed>) = 1 [pid 6310] chdir("./99" [pid 6306] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6305] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6303] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... rmdir resumed>) = 0 [pid 6305] <... mknod resumed>) = 0 [pid 6310] <... chdir resumed>) = 0 [pid 6305] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6303] <... futex resumed>) = 0 [pid 6305] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6303] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6303] <... futex resumed>) = 0 [pid 5065] mkdir("./101", 0777 [pid 6310] <... prctl resumed>) = 0 [pid 6308] <... mount resumed>) = 0 [pid 6305] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6303] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] <... mkdir resumed>) = 0 [pid 6310] setpgid(0, 0 [pid 6309] <... ioctl resumed>) = 0 [pid 6308] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6310] <... setpgid resumed>) = 0 [pid 6310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6309] close(3 [pid 6308] <... openat resumed>) = 3 [pid 6310] <... openat resumed>) = 3 [pid 6309] <... close resumed>) = 0 [pid 6308] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6310] write(3, "1000", 4 [pid 6309] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6308] <... chdir resumed>) = 0 [pid 6305] <... open resumed>) = 4 [pid 5065] <... openat resumed>) = 3 [pid 6310] <... write resumed>) = 4 [pid 6309] <... mkdir resumed>) = 0 [pid 6308] ioctl(4, LOOP_CLR_FD [pid 6310] close(3 [pid 6308] <... ioctl resumed>) = 0 [pid 6305] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... close resumed>) = 0 [pid 6309] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6308] close(4 [pid 6305] <... futex resumed>) = 1 [pid 6303] <... futex resumed>) = 0 [pid 5065] ioctl(3, LOOP_CLR_FD [pid 6306] <... mount resumed>) = 0 [pid 6310] symlink("/dev/binderfs", "./binderfs" [pid 6308] <... close resumed>) = 0 [pid 6303] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] sync( [pid 6303] <... futex resumed>) = 0 [pid 5065] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6310] <... symlink resumed>) = 0 [pid 6308] <... futex resumed>) = 1 [ 181.785416][ T6306] loop3: detected capacity change from 0 to 1024 [ 181.810969][ T6309] loop0: detected capacity change from 0 to 1024 [pid 6306] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6304] <... futex resumed>) = 0 [pid 6303] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6304] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] <... openat resumed>) = 3 [pid 5065] close(3 [pid 6310] <... futex resumed>) = 0 [pid 6308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6306] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6304] <... futex resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 6310] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 6308] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6306] <... chdir resumed>) = 0 [pid 6304] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6310] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6309] <... mount resumed>) = 0 [pid 6308] <... mknod resumed>) = 0 [pid 6306] ioctl(4, LOOP_CLR_FD [pid 6309] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6310] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6309] <... openat resumed>) = 3 [pid 6306] <... ioctl resumed>) = 0 [pid 6310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6306] close(4./strace-static-x86_64: Process 6311 attached [pid 6310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6309] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6308] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] <... close resumed>) = 0 [pid 6311] set_robust_list(0x5555556c56a0, 24 [pid 6310] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6309] <... chdir resumed>) = 0 [pid 6308] <... futex resumed>) = 1 [pid 6304] <... futex resumed>) = 0 [pid 6311] <... set_robust_list resumed>) = 0 [pid 6310] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE [pid 6309] ioctl(4, LOOP_CLR_FD [pid 6308] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6306] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... clone resumed>, child_tidptr=0x5555556c5690) = 6311 [pid 6311] chdir("./101" [pid 6310] <... mprotect resumed>) = 0 [pid 6309] <... ioctl resumed>) = 0 [pid 6308] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6306] <... futex resumed>) = 1 [pid 6304] <... futex resumed>) = 0 [pid 6302] <... futex resumed>) = 0 [pid 6309] close(4 [pid 6308] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6306] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6304] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6302] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... chdir resumed>) = 0 [pid 6310] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6309] <... close resumed>) = 0 [pid 6302] <... futex resumed>) = 0 [pid 6311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6309] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6302] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6311] <... prctl resumed>) = 0 [pid 6310] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6309] <... futex resumed>) = 1 [pid 6307] <... futex resumed>) = 0 [pid 6306] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6311] setpgid(0, 0 [pid 6309] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... sync resumed>) = 0 [pid 6311] <... setpgid resumed>) = 0 [pid 6310] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6307] <... futex resumed>) = 0 [pid 6305] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6309] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6308] <... open resumed>) = 4 [pid 6307] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] <... mknod resumed>) = 0 [pid 6305] <... futex resumed>) = 1 [pid 6303] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6312 attached [pid 6311] <... openat resumed>) = 3 [pid 6310] <... clone3 resumed> => {parent_tid=[6312]}, 88) = 6312 [pid 6309] <... mknod resumed>) = 0 [pid 6308] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6303] exit_group(0 [pid 6312] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6303] <... exit_group resumed>) = ? [pid 6312] <... rseq resumed>) = 0 [pid 6311] write(3, "1000", 4 [pid 6308] <... futex resumed>) = 1 [pid 6312] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6311] <... write resumed>) = 4 [pid 6310] rt_sigprocmask(SIG_SETMASK, [], [pid 6306] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6304] <... futex resumed>) = 0 [pid 6312] <... set_robust_list resumed>) = 0 [pid 6311] close(3 [pid 6310] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6309] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] <... futex resumed>) = 1 [pid 6305] <... futex resumed>) = ? [pid 6304] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] <... futex resumed>) = 0 [pid 6312] rt_sigprocmask(SIG_SETMASK, [], [pid 6311] <... close resumed>) = 0 [pid 6310] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] <... futex resumed>) = 0 [pid 6306] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6304] <... futex resumed>) = 1 [pid 6302] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6311] symlink("/dev/binderfs", "./binderfs" [pid 6310] <... futex resumed>) = 0 [pid 6309] <... futex resumed>) = 1 [pid 6308] sync( [pid 6307] <... futex resumed>) = 0 [pid 6305] +++ exited with 0 +++ [pid 6303] +++ exited with 0 +++ [pid 6312] memfd_create("syzkaller", 0 [pid 6311] <... symlink resumed>) = 0 [pid 6309] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6302] <... futex resumed>) = 0 [pid 6309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6307] <... futex resumed>) = 0 [pid 6312] <... memfd_create resumed>) = 3 [pid 6310] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6309] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6307] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6302] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6303, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6311] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... mmap resumed>) = 0x7fdb7f81d000 [pid 6311] <... futex resumed>) = 0 [pid 6312] 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"..., 524288 [pid 6311] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, [pid 5068] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6311] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6306] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6311] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5068] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6311] <... mmap resumed>) = 0x7fdb87c1d000 [pid 6309] <... open resumed>) = 4 [pid 5068] <... openat resumed>) = 3 [pid 5068] newfstatat(3, "", [pid 6311] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6309] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6311] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6309] <... futex resumed>) = 1 [pid 6307] <... futex resumed>) = 0 [pid 5068] getdents64(3, [pid 6309] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6307] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... getdents64 resumed>0x5555556c6730 /* 4 entries */, 32768) = 352 [pid 6311] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6312] <... write resumed>) = 524288 [pid 6311] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0} [pid 6309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6307] <... futex resumed>) = 0 [ 181.936452][ T47] ------------[ cut here ]------------ [ 181.942405][ T47] kernel BUG at fs/hfsplus/bnode.c:618! [pid 5068] umount2("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6307] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6309] sync( [pid 6311] <... clone3 resumed> => {parent_tid=[6313]}, 88) = 6313 [pid 6311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6311] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6311] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6313 attached [pid 6313] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053) = 0 [pid 6313] set_robust_list(0x7fdb87c3d9a0, 24) = 0 [pid 6313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6313] memfd_create("syzkaller", 0) = 3 [pid 6313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [pid 6313] 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"..., 524288 [pid 6312] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 6312] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6313] <... write resumed>) = 524288 [pid 6313] munmap(0x7fdb7f81d000, 138412032 [pid 6312] ioctl(4, LOOP_SET_FD, 3 [pid 6313] <... munmap resumed>) = 0 [ 181.977831][ T47] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 181.983976][ T47] CPU: 1 PID: 47 Comm: kworker/u4:3 Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0 [ 181.994004][ T47] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 182.004099][ T47] Workqueue: writeback wb_workfn (flush-7:0) [ 182.010310][ T47] RIP: 0010:hfsplus_bnode_put.part.0+0x3ac/0x440 [ 182.010582][ T6312] loop5: detected capacity change from 0 to 1024 [pid 6307] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6313] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6313] ioctl(4, LOOP_SET_FD, 3 [pid 6312] <... ioctl resumed>) = 0 [pid 6312] close(3) = 0 [pid 6312] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [ 182.016711][ T47] Code: b6 04 02 84 c0 74 09 3c 03 7f 05 e8 2e 36 84 ff 41 8b 54 24 38 31 f6 48 89 ef e8 2f df ff ff e9 a2 fe ff ff e8 d5 52 2e ff 90 <0f> 0b 48 8b 7c 24 08 e8 08 36 84 ff e9 32 fd ff ff 48 89 df e8 fb [ 182.016741][ T47] RSP: 0018:ffffc90000d8f650 EFLAGS: 00010293 [ 182.016766][ T47] RAX: 0000000000000000 RBX: ffff8880289c7180 RCX: ffffffff82582a64 [ 182.043945][ T6313] loop1: detected capacity change from 0 to 1024 [ 182.048754][ T47] RDX: ffff888014ab40c0 RSI: ffffffff82582d8b RDI: 0000000000000005 [ 182.048776][ T47] RBP: ffff8880289c7100 R08: 0000000000000005 R09: 0000000000000000 [ 182.079481][ T47] R10: 0000000000000000 R11: 0000000000000003 R12: ffff88807cbc2000 [ 182.087495][ T47] R13: 0000000000000000 R14: 0000000006000000 R15: ffff8880286cb800 [ 182.095492][ T47] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 182.104446][ T47] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 182.111048][ T47] CR2: 00007ffcec3f4f98 CR3: 000000001ae67000 CR4: 00000000003506f0 [ 182.119036][ T47] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 182.127021][ T47] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 182.135006][ T47] Call Trace: [ 182.138301][ T47] [ 182.141245][ T47] ? show_regs+0x8f/0xa0 [ 182.145559][ T47] ? die+0x36/0xa0 [ 182.149311][ T47] ? do_trap+0x22b/0x420 [ 182.153607][ T47] ? hfsplus_bnode_put.part.0+0x3ac/0x440 [ 182.159374][ T47] ? hfsplus_bnode_put.part.0+0x3ac/0x440 [ 182.165148][ T47] ? do_error_trap+0xf4/0x230 [ 182.169948][ T47] ? hfsplus_bnode_put.part.0+0x3ac/0x440 [ 182.175690][ T47] ? handle_invalid_op+0x34/0x40 [ 182.180662][ T47] ? hfsplus_bnode_put.part.0+0x3ac/0x440 [ 182.186413][ T47] ? exc_invalid_op+0x2e/0x40 [ 182.191170][ T47] ? asm_exc_invalid_op+0x1a/0x20 [ 182.196292][ T47] ? hfsplus_bnode_put.part.0+0x84/0x440 [ 182.201958][ T47] ? hfsplus_bnode_put.part.0+0x3ab/0x440 [ 182.207759][ T47] ? hfsplus_bnode_put.part.0+0x3ac/0x440 [ 182.213535][ T47] hfsplus_bnode_put+0x1f/0x30 [ 182.218336][ T47] hfsplus_btree_write+0x3b1/0x480 [ 182.223473][ T47] hfsplus_write_inode+0x302/0x4f0 [ 182.228622][ T47] __writeback_single_inode+0xa91/0xe90 [ 182.234201][ T47] ? __mark_inode_dirty+0xd60/0xd60 [ 182.239454][ T47] ? _raw_spin_unlock+0x28/0x40 [ 182.244386][ T47] ? wbc_attach_and_unlock_inode+0x561/0x910 [ 182.250393][ T47] writeback_sb_inodes+0x599/0x1080 [ 182.255619][ T47] ? sync_inode_metadata+0xe0/0xe0 [ 182.260762][ T47] ? do_raw_spin_lock+0x12e/0x2b0 [ 182.265840][ T47] ? move_expired_inodes+0x59e/0x850 [ 182.271149][ T47] __writeback_inodes_wb+0xff/0x2d0 [ 182.276390][ T47] ? writeback_sb_inodes+0x1080/0x1080 [ 182.281890][ T47] ? queue_io+0x3ed/0x4e0 [ 182.286241][ T47] wb_writeback+0x7f8/0xaa0 [ 182.290771][ T47] ? __writeback_inodes_wb+0x2d0/0x2d0 [ 182.296255][ T47] ? reacquire_held_locks+0x4c0/0x4c0 [ 182.301674][ T47] ? get_nr_dirty_inodes+0x176/0x1e0 [ 182.306980][ T47] wb_workfn+0x9b3/0xfe0 [ 182.311247][ T47] ? inode_wait_for_writeback+0x30/0x30 [ 182.316820][ T47] ? lock_sync+0x190/0x190 [ 182.321266][ T47] ? lock_sync+0x190/0x190 [ 182.325731][ T47] process_one_work+0x886/0x15d0 [ 182.330734][ T47] ? __fsnotify_recalc_mask+0x500/0x500 [ 182.336413][ T47] ? workqueue_congested+0x300/0x300 [ 182.341726][ T47] ? assign_work+0x1a0/0x250 [ 182.346380][ T47] worker_thread+0x8b9/0x1290 [ 182.351096][ T47] ? process_one_work+0x15d0/0x15d0 [ 182.356322][ T47] kthread+0x2c6/0x3a0 [ 182.360414][ T47] ? _raw_spin_unlock_irq+0x23/0x50 [ 182.365641][ T47] ? kthread_complete_and_exit+0x40/0x40 [ 182.371298][ T47] ret_from_fork+0x45/0x80 [pid 6312] mount("/dev/loop5", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6306] <... open resumed>) = 4 [pid 6302] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6302] futex(0x7fdb87d096bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87bfc000 [pid 6302] mprotect(0x7fdb87bfd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6302] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6302] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c1c990, parent_tid=0x7fdb87c1c990, exit_signal=0, stack=0x7fdb87bfc000, stack_size=0x20300, tls=0x7fdb87c1c6c0} => {parent_tid=[6314]}, 88) = 6314 [pid 6302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6304] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6302] futex(0x7fdb87d096b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6302] futex(0x7fdb87d096bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6306] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6306] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6314 attached [pid 6314] rseq(0x7fdb87c1cfe0, 0x20, 0, 0x53053053) = 0 [pid 6314] set_robust_list(0x7fdb87c1c9a0, 24) = 0 [pid 6314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6314] sync( [pid 6313] <... ioctl resumed>) = 0 [pid 6313] close(3) = 0 [pid 6313] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6313] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6312] <... mount resumed>) = 0 [ 182.375741][ T47] ? kthread_complete_and_exit+0x40/0x40 [ 182.381435][ T47] ret_from_fork_asm+0x11/0x20 [ 182.386254][ T47] [ 182.389294][ T47] Modules linked in: [pid 6312] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6312] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6312] ioctl(4, LOOP_CLR_FD) = 0 [pid 6313] <... mount resumed>) = 0 [pid 6312] close(4 [pid 6313] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6312] <... close resumed>) = 0 [pid 6313] <... openat resumed>) = 3 [pid 6312] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6312] <... futex resumed>) = 1 [pid 6310] <... futex resumed>) = 0 [pid 6313] <... chdir resumed>) = 0 [pid 6312] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6313] ioctl(4, LOOP_CLR_FD [pid 6310] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... ioctl resumed>) = 0 [pid 6313] close(4 [pid 6312] <... futex resumed>) = 0 [pid 6310] <... futex resumed>) = 1 [pid 6313] <... close resumed>) = 0 [pid 6312] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6310] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6313] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... mknod resumed>) = 0 [pid 6313] <... futex resumed>) = 1 [pid 6312] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... futex resumed>) = 0 [pid 6313] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6312] <... futex resumed>) = 1 [pid 6311] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... futex resumed>) = 0 [pid 6313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6312] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6311] <... futex resumed>) = 0 [pid 6310] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6312] <... open resumed>) = 4 [pid 6311] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] <... futex resumed>) = 0 [pid 6302] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... umount2 resumed>) = 0 [pid 6313] <... mknod resumed>) = 0 [pid 6312] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6313] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] <... futex resumed>) = 0 [pid 6310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6313] <... futex resumed>) = 1 [pid 6312] sync( [pid 6311] <... futex resumed>) = 0 [pid 6310] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] newfstatat(AT_FDCWD, "./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6311] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] <... futex resumed>) = 0 [pid 6311] <... futex resumed>) = 0 [pid 6310] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6313] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6311] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] umount2("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6313] <... open resumed>) = 4 [pid 5068] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6313] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6311] <... futex resumed>) = 0 [pid 6313] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... futex resumed>) = 0 [pid 6313] sync( [pid 6311] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] openat(AT_FDCWD, "./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5068] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5068] getdents64(4, 0x5555556ce770 /* 2 entries */, 32768) = 48 [pid 5068] getdents64(4, 0x5555556ce770 /* 0 entries */, 32768) = 0 [pid 5068] close(4) = 0 [pid 5068] rmdir("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5068] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5068] newfstatat(AT_FDCWD, "./101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] unlink("./101/binderfs") = 0 [pid 6310] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5068] getdents64(3, 0x5555556c6730 /* 0 entries */, 32768) = 0 [pid 5068] close(3) = 0 [pid 5068] rmdir("./101") = 0 [pid 5068] mkdir("./102", 0777) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5068] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5068] close(3) = 0 [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556c5690) = 6315 ./strace-static-x86_64: Process 6315 attached [pid 6315] set_robust_list(0x5555556c56a0, 24) = 0 [pid 6315] chdir("./102") = 0 [pid 6315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6315] setpgid(0, 0) = 0 [pid 6315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6315] write(3, "1000", 4) = 4 [pid 6315] close(3) = 0 [pid 6315] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6315] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6315] rt_sigaction(SIGRT_1, {sa_handler=0x7fdb87ca70a0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fdb87c98250}, NULL, 8) = 0 [pid 6315] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fdb87c1d000 [pid 6315] mprotect(0x7fdb87c1e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6315] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6315] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fdb87c3d990, parent_tid=0x7fdb87c3d990, exit_signal=0, stack=0x7fdb87c1d000, stack_size=0x20300, tls=0x7fdb87c3d6c0}./strace-static-x86_64: Process 6316 attached [pid 6316] rseq(0x7fdb87c3dfe0, 0x20, 0, 0x53053053 [pid 6315] <... clone3 resumed> => {parent_tid=[6316]}, 88) = 6316 [pid 6316] <... rseq resumed>) = 0 [pid 6315] rt_sigprocmask(SIG_SETMASK, [], [pid 6316] set_robust_list(0x7fdb87c3d9a0, 24 [pid 6315] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6316] <... set_robust_list resumed>) = 0 [ 182.487866][ T47] ---[ end trace 0000000000000000 ]--- [ 182.493753][ T47] RIP: 0010:hfsplus_bnode_put.part.0+0x3ac/0x440 [pid 6315] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] rt_sigprocmask(SIG_SETMASK, [], [pid 6315] <... futex resumed>) = 0 [pid 6316] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6315] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6316] memfd_create("syzkaller", 0 [pid 6311] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6316] <... memfd_create resumed>) = 3 [ 182.554529][ T47] Code: b6 04 02 84 c0 74 09 3c 03 7f 05 e8 2e 36 84 ff 41 8b 54 24 38 31 f6 48 89 ef e8 2f df ff ff e9 a2 fe ff ff e8 d5 52 2e ff 90 <0f> 0b 48 8b 7c 24 08 e8 08 36 84 ff e9 32 fd ff ff 48 89 df e8 fb [ 182.580607][ T47] RSP: 0018:ffffc90000d8f650 EFLAGS: 00010293 [ 182.588930][ T47] RAX: 0000000000000000 RBX: ffff8880289c7180 RCX: ffffffff82582a64 [pid 6316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb7f81d000 [ 182.601408][ T47] RDX: ffff888014ab40c0 RSI: ffffffff82582d8b RDI: 0000000000000005 [pid 6316] 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"..., 524288) = 524288 [pid 6316] munmap(0x7fdb7f81d000, 138412032) = 0 [pid 6316] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 182.667028][ T47] RBP: ffff8880289c7100 R08: 0000000000000005 R09: 0000000000000000 [ 182.680563][ T6316] loop4: detected capacity change from 0 to 1024 [ 182.697300][ T47] R10: 0000000000000000 R11: 0000000000000003 R12: ffff88807cbc2000 [pid 6316] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6316] close(3) = 0 [pid 6316] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6316] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_SYNCHRONOUS|MS_NOATIME|MS_POSIXACL, "" [pid 6307] exit_group(0) = ? [pid 6316] <... mount resumed>) = 0 [pid 6316] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [ 182.718052][ T47] R13: 0000000000000000 R14: 0000000006000000 R15: ffff8880286cb800 [pid 6316] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6316] ioctl(4, LOOP_CLR_FD) = 0 [pid 6316] close(4) = 0 [pid 6316] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6316] futex(0x7fdb87d096a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6315] <... futex resumed>) = 0 [pid 6315] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... futex resumed>) = 0 [pid 6315] <... futex resumed>) = 1 [pid 6316] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6315] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6316] <... mknod resumed>) = 0 [pid 6304] exit_group(0) = ? [pid 6316] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6315] <... futex resumed>) = 0 [pid 6316] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000 [pid 6315] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6316] <... open resumed>) = 4 [pid 6315] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6316] futex(0x7fdb87d096ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6316] <... futex resumed>) = 0 [pid 6315] futex(0x7fdb87d096a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] sync( [pid 6315] <... futex resumed>) = 0 [ 182.796756][ T47] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 182.827461][ T47] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [pid 6315] futex(0x7fdb87d096ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6302] exit_group(0 [pid 6306] <... futex resumed>) = ? [pid 6302] <... exit_group resumed>) = ? [pid 6306] +++ exited with 0 +++ [pid 6310] exit_group(0) = ? [ 182.856302][ T47] CR2: 00007fdb87cd4798 CR3: 0000000020acb000 CR4: 00000000003506f0 [ 182.864348][ T47] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 182.916025][ T47] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 182.934375][ T47] Kernel panic - not syncing: Fatal exception [ 182.940812][ T47] Kernel Offset: disabled [ 182.945146][ T47] Rebooting in 86400 seconds..