./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2400776276 <...> unfinished ...> [pid 5761] symlink("/dev/binderfs", "./binderfs" [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] getdents64(3, ./strace-static-x86_64: Process 5763 attached [pid 5761] <... symlink resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] <... openat resumed>) = 3 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5757, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5761] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5763 [pid 5000] close(3 [pid 4998] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] fstat(3, [pid 5761] <... openat resumed>) = 3 [pid 5000] <... close resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5761] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] rmdir("./127" [pid 4998] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5763] chdir("./129" [pid 5761] <... mmap resumed>) = 0x20fff000 [pid 5761] exit_group(0 [pid 5000] <... rmdir resumed>) = 0 [pid 4997] getdents64(3, [pid 5761] <... exit_group resumed>) = ? [pid 4998] <... openat resumed>) = 3 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] fstat(3, [pid 4997] umount2("./125/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] mkdir("./128", 0777 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] getdents64(3, [pid 4997] lstat("./125/binderfs", ./strace-static-x86_64: Process 5762 attached [pid 5763] <... chdir resumed>) = 0 [pid 5761] +++ exited with 0 +++ [pid 5000] <... mkdir resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5763] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5762] chdir("./131" [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] unlink("./125/binderfs" [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5762] <... chdir resumed>) = 0 [pid 5762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5762] setpgid(0, 0) = 0 [pid 5762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4997] <... unlink resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] getdents64(3, [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5764 [pid 4998] lstat("./127/binderfs", [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5763] <... prctl resumed>) = 0 [pid 5762] write(3, "1000", 4 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5762] <... write resumed>) = 4 [pid 4998] unlink("./127/binderfs" [pid 4997] close(3 [pid 4996] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5762] close(3) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 5762] symlink("/dev/binderfs", "./binderfs" [pid 4998] getdents64(3, [pid 4997] <... close resumed>) = 0 [pid 4996] <... openat resumed>) = 3 [pid 5762] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5764 attached [pid 5762] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] rmdir("./125" [pid 4996] fstat(3, [pid 5764] chdir("./128" [pid 5763] setpgid(0, 0 [pid 5762] <... openat resumed>) = 3 [pid 4998] close(3 [pid 5764] <... chdir resumed>) = 0 [pid 5762] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4997] <... rmdir resumed>) = 0 [pid 5764] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5763] <... setpgid resumed>) = 0 [pid 5762] <... mmap resumed>) = 0x20fff000 [pid 4998] <... close resumed>) = 0 [pid 4997] mkdir("./126", 0777 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5764] <... prctl resumed>) = 0 [pid 5762] exit_group(0 [pid 5764] setpgid(0, 0 [pid 5762] <... exit_group resumed>) = ? [pid 4998] rmdir("./127" [pid 4996] getdents64(3, [pid 5764] <... setpgid resumed>) = 0 [pid 5763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5762] +++ exited with 0 +++ [pid 4997] <... mkdir resumed>) = 0 [pid 5764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... rmdir resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5762, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] mkdir("./128", 0777 [pid 4996] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5764] <... openat resumed>) = 3 [pid 4998] <... mkdir resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5764] write(3, "1000", 4) = 4 [pid 5764] close(3) = 0 [pid 5764] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5764] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5765 [pid 4996] lstat("./117/binderfs", [pid 5764] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5764] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5002] fstat(3, [pid 4996] unlink("./117/binderfs" [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5764] exit_group(0 [pid 4996] <... unlink resumed>) = 0 [pid 5002] getdents64(3, [pid 4996] getdents64(3, [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5766 [pid 5002] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] close(3 [pid 5002] lstat("./131/binderfs", [pid 4996] <... close resumed>) = 0 ./strace-static-x86_64: Process 5765 attached [pid 5764] <... exit_group resumed>) = ? [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] rmdir("./117" [pid 5765] chdir("./126" [pid 5764] +++ exited with 0 +++ [pid 5763] <... openat resumed>) = 3 [pid 5002] unlink("./131/binderfs" [pid 5765] <... chdir resumed>) = 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) = 3 [pid 5765] write(3, "1000", 4) = 4 [pid 5765] close(3) = 0 [pid 4996] <... rmdir resumed>) = 0 [pid 5765] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5763] write(3, "1000", 4 [pid 5002] <... unlink resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5764, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] mkdir("./118", 0777 [pid 5763] <... write resumed>) = 4 [pid 5002] getdents64(3, ./strace-static-x86_64: Process 5766 attached [pid 5765] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4996] <... mkdir resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] close(3 [pid 5000] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... close resumed>) = 0 [pid 5002] rmdir("./131" [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5763] close(3 [pid 5766] chdir("./128" [pid 5765] <... openat resumed>) = 3 [pid 5002] <... rmdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5766] <... chdir resumed>) = 0 [pid 5765] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5766] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5765] <... mmap resumed>) = 0x20fff000 [pid 5002] mkdir("./132", 0777 [pid 5000] <... openat resumed>) = 3 [pid 5763] <... close resumed>) = 0 [pid 5766] <... prctl resumed>) = 0 [pid 5765] exit_group(0 [pid 5766] setpgid(0, 0 [pid 5765] <... exit_group resumed>) = ? [pid 5002] <... mkdir resumed>) = 0 [pid 5000] fstat(3, [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5767 [pid 5763] symlink("/dev/binderfs", "./binderfs" [pid 5766] <... setpgid resumed>) = 0 [pid 5765] +++ exited with 0 +++ [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5766] write(3, "1000", 4 [pid 5000] getdents64(3, [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5765, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5768 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5763] <... symlink resumed>) = 0 [pid 5000] lstat("./128/binderfs", ./strace-static-x86_64: Process 5767 attached [pid 5766] <... write resumed>) = 4 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5767] chdir("./118" [pid 5766] close(3 [pid 5763] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5767] <... chdir resumed>) = 0 [pid 5766] <... close resumed>) = 0 [pid 5000] unlink("./128/binderfs" [pid 5767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5766] symlink("/dev/binderfs", "./binderfs" [pid 5767] <... prctl resumed>) = 0 [pid 5766] <... symlink resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5768 attached [pid 5767] setpgid(0, 0 [pid 5766] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5763] <... openat resumed>) = 3 [pid 5000] getdents64(3, [pid 5768] chdir("./132" [pid 5767] <... setpgid resumed>) = 0 [pid 5766] <... openat resumed>) = 3 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5768] <... chdir resumed>) = 0 [pid 5767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5766] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5763] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] close(3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5767] <... openat resumed>) = 3 [pid 5766] <... mmap resumed>) = 0x20fff000 [pid 5000] <... close resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5768] <... prctl resumed>) = 0 [pid 5767] write(3, "1000", 4 [pid 5766] exit_group(0 [pid 5000] rmdir("./128" [pid 5768] setpgid(0, 0 [pid 5767] <... write resumed>) = 4 [pid 5766] <... exit_group resumed>) = ? [pid 4997] <... openat resumed>) = 3 [pid 5768] <... setpgid resumed>) = 0 [pid 5767] close(3 [pid 5766] +++ exited with 0 +++ [pid 5763] <... mmap resumed>) = 0x20fff000 [pid 5000] <... rmdir resumed>) = 0 [pid 4997] fstat(3, [pid 5768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5767] <... close resumed>) = 0 [pid 5000] mkdir("./129", 0777 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5766, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5768] <... openat resumed>) = 3 [pid 5767] symlink("/dev/binderfs", "./binderfs" [pid 5763] exit_group(0 [pid 5768] write(3, "1000", 4 [pid 5767] <... symlink resumed>) = 0 [pid 5768] <... write resumed>) = 4 [pid 5767] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... mkdir resumed>) = 0 [pid 4997] getdents64(3, [pid 5768] close(3 [pid 5767] <... openat resumed>) = 3 [pid 5763] <... exit_group resumed>) = ? [pid 5768] <... close resumed>) = 0 [pid 5767] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5768] symlink("/dev/binderfs", "./binderfs" [pid 5767] <... mmap resumed>) = 0x20fff000 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5768] <... symlink resumed>) = 0 [pid 5767] exit_group(0 [pid 5768] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5767] <... exit_group resumed>) = ? [pid 4998] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5768] <... openat resumed>) = 3 [pid 5767] +++ exited with 0 +++ [pid 5763] +++ exited with 0 +++ [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5769 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5768] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] lstat("./126/binderfs", [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5767, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5768] <... mmap resumed>) = 0x20fff000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5763, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... openat resumed>) = 3 [pid 5768] exit_group(0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] fstat(3, [pid 5768] <... exit_group resumed>) = ? [pid 5001] <... restart_syscall resumed>) = 0 [pid 4997] unlink("./126/binderfs" [pid 5768] +++ exited with 0 +++ [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5769 attached [pid 4997] <... unlink resumed>) = 0 [pid 5769] chdir("./129" [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5768, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] getdents64(3, [pid 4997] getdents64(3, [pid 4996] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] close(3 [pid 4996] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... openat resumed>) = 3 [pid 5769] <... chdir resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 5769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4996] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 4998] lstat("./128/binderfs", [pid 4997] rmdir("./126" [pid 4996] fstat(3, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5769] <... prctl resumed>) = 0 [pid 5769] setpgid(0, 0) = 0 [pid 5769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] getdents64(3, [pid 4998] unlink("./128/binderfs" [pid 4997] <... rmdir resumed>) = 0 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5769] <... openat resumed>) = 3 [pid 4998] <... unlink resumed>) = 0 [pid 4996] getdents64(3, [pid 5001] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5769] write(3, "1000", 4 [pid 4997] mkdir("./127", 0777 [pid 4996] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5769] <... write resumed>) = 4 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5769] close(3 [pid 5001] lstat("./129/binderfs", [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5769] <... close resumed>) = 0 [pid 5002] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] getdents64(3, [pid 5769] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5002] <... openat resumed>) = 3 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] lstat("./118/binderfs", [pid 5769] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] fstat(3, [pid 5001] unlink("./129/binderfs" [pid 4998] close(3 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5769] <... openat resumed>) = 3 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5769] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... unlink resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4996] unlink("./118/binderfs" [pid 5769] <... mmap resumed>) = 0x20fff000 [pid 5002] getdents64(3, [pid 5769] exit_group(0 [pid 4998] rmdir("./128" [pid 4996] <... unlink resumed>) = 0 [pid 5769] <... exit_group resumed>) = ? [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] getdents64(3, [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5770 [pid 5769] +++ exited with 0 +++ [pid 5002] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... rmdir resumed>) = 0 [pid 4996] getdents64(3, [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./132/binderfs", [pid 5001] close(3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5769, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] mkdir("./129", 0777 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... close resumed>) = 0 [pid 4996] close(3./strace-static-x86_64: Process 5770 attached [pid 5770] chdir("./127" [pid 4998] <... mkdir resumed>) = 0 [pid 4996] <... close resumed>) = 0 [pid 5002] unlink("./132/binderfs" [pid 5001] rmdir("./129" [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] rmdir("./118" [pid 5770] <... chdir resumed>) = 0 [pid 5770] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] <... unlink resumed>) = 0 [pid 5770] <... prctl resumed>) = 0 [pid 5770] setpgid(0, 0) = 0 [pid 5770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... rmdir resumed>) = 0 [pid 5770] <... openat resumed>) = 3 [pid 4996] <... rmdir resumed>) = 0 [pid 5000] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] getdents64(3, [pid 5001] mkdir("./130", 0777 [pid 5770] write(3, "1000", 4) = 4 [pid 5770] close(3) = 0 [pid 5770] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] mkdir("./119", 0777 [pid 5770] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] close(3 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5770] <... openat resumed>) = 3 [pid 4996] <... mkdir resumed>) = 0 [pid 5770] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] <... openat resumed>) = 3 [pid 5002] <... close resumed>) = 0 [pid 5000] fstat(3, [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] rmdir("./132" [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5771 [pid 5770] <... mmap resumed>) = 0x20fff000 [pid 5770] exit_group(0 [pid 5000] getdents64(3, [pid 5770] <... exit_group resumed>) = ? [pid 5002] <... rmdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] mkdir("./133", 0777 [pid 5000] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5772 [pid 5002] <... mkdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5773 [pid 5000] lstat("./129/binderfs", [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5771 attached [pid 5771] chdir("./129" [pid 5000] unlink("./129/binderfs" [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5774 [pid 5771] <... chdir resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5772 attached [pid 5000] getdents64(3, ./strace-static-x86_64: Process 5773 attached 0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] close(3 [pid 5772] chdir("./119" [pid 5771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5770] +++ exited with 0 +++ [pid 5000] <... close resumed>) = 0 [pid 5000] rmdir("./129" [pid 5772] <... chdir resumed>) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5770, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5771] <... prctl resumed>) = 0 [pid 5771] setpgid(0, 0 [pid 5772] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] <... rmdir resumed>) = 0 [pid 5773] chdir("./130" [pid 5772] <... prctl resumed>) = 0 [pid 5000] mkdir("./130", 0777 [pid 5772] setpgid(0, 0 [pid 5771] <... setpgid resumed>) = 0 [pid 5771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... mkdir resumed>) = 0 [pid 4997] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5772] <... setpgid resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5773] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5774 attached [pid 5771] <... openat resumed>) = 3 [pid 5774] chdir("./133" [pid 5771] write(3, "1000", 4 [pid 4997] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5775 [pid 5774] <... chdir resumed>) = 0 [pid 5771] <... write resumed>) = 4 [pid 4997] <... openat resumed>) = 3 [pid 4997] fstat(3, [pid 5774] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5771] close(3 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5774] <... prctl resumed>) = 0 [pid 5773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5771] <... close resumed>) = 0 [pid 5774] setpgid(0, 0 [pid 5771] symlink("/dev/binderfs", "./binderfs" [pid 4997] getdents64(3, [pid 5774] <... setpgid resumed>) = 0 [pid 5773] <... prctl resumed>) = 0 [pid 5772] <... openat resumed>) = 3 [pid 5771] <... symlink resumed>) = 0 [pid 5774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5773] setpgid(0, 0 [pid 5772] write(3, "1000", 4 [pid 5771] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 5775 attached [pid 5774] <... openat resumed>) = 3 [pid 5773] <... setpgid resumed>) = 0 [pid 5772] <... write resumed>) = 4 [pid 5771] <... openat resumed>) = 3 [pid 4997] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5775] chdir("./130" [pid 5774] write(3, "1000", 4 [pid 5772] close(3 [pid 5771] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5775] <... chdir resumed>) = 0 [pid 5774] <... write resumed>) = 4 [pid 5773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5772] <... close resumed>) = 0 [pid 5771] <... mmap resumed>) = 0x20fff000 [pid 4997] lstat("./127/binderfs", [pid 5775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5774] close(3 [pid 5771] exit_group(0 [pid 5775] <... prctl resumed>) = 0 [pid 5774] <... close resumed>) = 0 [pid 5772] symlink("/dev/binderfs", "./binderfs" [pid 5771] <... exit_group resumed>) = ? [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5775] setpgid(0, 0 [pid 5774] symlink("/dev/binderfs", "./binderfs" [pid 5773] <... openat resumed>) = 3 [pid 5772] <... symlink resumed>) = 0 [pid 5771] +++ exited with 0 +++ [pid 4997] unlink("./127/binderfs" [pid 5775] <... setpgid resumed>) = 0 [pid 5774] <... symlink resumed>) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5771, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5774] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5773] write(3, "1000", 4 [pid 5772] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4997] <... unlink resumed>) = 0 [pid 5775] <... openat resumed>) = 3 [pid 5774] <... openat resumed>) = 3 [pid 5773] <... write resumed>) = 4 [pid 5775] write(3, "1000", 4 [pid 5774] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5773] close(3 [pid 5772] <... openat resumed>) = 3 [pid 4997] getdents64(3, [pid 5775] <... write resumed>) = 4 [pid 5774] <... mmap resumed>) = 0x20fff000 [pid 5773] <... close resumed>) = 0 [pid 4998] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5775] close(3 [pid 5774] exit_group(0 [pid 5773] symlink("/dev/binderfs", "./binderfs" [pid 5772] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5775] <... close resumed>) = 0 [pid 5774] <... exit_group resumed>) = ? [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] close(3 [pid 5775] symlink("/dev/binderfs", "./binderfs" [pid 5774] +++ exited with 0 +++ [pid 5773] <... symlink resumed>) = 0 [pid 5772] <... mmap resumed>) = 0x20fff000 [pid 4998] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5775] <... symlink resumed>) = 0 [pid 5773] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5772] exit_group(0 [pid 4997] <... close resumed>) = 0 [pid 5775] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5772] <... exit_group resumed>) = ? [pid 4998] <... openat resumed>) = 3 [pid 5775] <... openat resumed>) = 3 [pid 5773] <... openat resumed>) = 3 [pid 5772] +++ exited with 0 +++ [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5774, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] fstat(3, [pid 4997] rmdir("./127" [pid 5775] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5775] <... mmap resumed>) = 0x20fff000 [pid 5773] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4997] <... rmdir resumed>) = 0 [pid 5775] exit_group(0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] getdents64(3, [pid 4997] mkdir("./128", 0777 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5772, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5775] <... exit_group resumed>) = ? [pid 5002] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5775] +++ exited with 0 +++ [pid 5002] <... openat resumed>) = 3 [pid 4997] <... mkdir resumed>) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] fstat(3, [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5775, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] lstat("./129/binderfs", [pid 5002] getdents64(3, [pid 5000] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... openat resumed>) = 3 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] fstat(3, [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] unlink("./129/binderfs" [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4998] <... unlink resumed>) = 0 [pid 4996] getdents64(3, [pid 5773] <... mmap resumed>) = 0x20fff000 [pid 5773] exit_group(0 [pid 5000] fstat(3, [pid 5002] lstat("./133/binderfs", [pid 4998] getdents64(3, [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 5776 attached [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5776 [pid 4996] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5773] <... exit_group resumed>) = ? [pid 5002] unlink("./133/binderfs" [pid 5000] getdents64(3, [pid 4998] close(3 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... unlink resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4996] lstat("./119/binderfs", [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] getdents64(3, [pid 5000] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] rmdir("./129" [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5776] chdir("./128" [pid 5000] lstat("./130/binderfs", [pid 4998] <... rmdir resumed>) = 0 [pid 5002] close(3 [pid 4996] unlink("./119/binderfs" [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... close resumed>) = 0 [pid 5776] <... chdir resumed>) = 0 [pid 5002] rmdir("./133" [pid 5000] unlink("./130/binderfs" [pid 4998] mkdir("./130", 0777 [pid 4996] <... unlink resumed>) = 0 [pid 5776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5776] setpgid(0, 0 [pid 5000] <... unlink resumed>) = 0 [pid 4996] getdents64(3, [pid 5776] <... setpgid resumed>) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 5002] mkdir("./134", 0777 [pid 5000] getdents64(3, [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... mkdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] close(3 [pid 5776] <... openat resumed>) = 3 [pid 5776] write(3, "1000", 4) = 4 [pid 5776] close(3 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] close(3 [pid 4996] <... close resumed>) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5777 [pid 5776] <... close resumed>) = 0 [pid 5776] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5000] <... close resumed>) = 0 [pid 4996] rmdir("./119" [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5778 [pid 5000] rmdir("./130" [pid 5776] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4996] <... rmdir resumed>) = 0 [pid 5776] <... openat resumed>) = 3 [pid 5000] <... rmdir resumed>) = 0 [pid 4996] mkdir("./120", 0777 [pid 5000] mkdir("./131", 0777 [pid 5776] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0./strace-static-x86_64: Process 5778 attached ) = 0x20fff000 [pid 5773] +++ exited with 0 +++ [pid 5000] <... mkdir resumed>) = 0 [pid 4996] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5777 attached [pid 5776] exit_group(0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5773, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5777] chdir("./130" [pid 5776] <... exit_group resumed>) = ? [pid 5777] <... chdir resumed>) = 0 [pid 5776] +++ exited with 0 +++ [pid 5001] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5776, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5780 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5779 [pid 5001] <... openat resumed>) = 3 [pid 5777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] fstat(3, [pid 5777] <... prctl resumed>) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5777] setpgid(0, 0 [pid 5001] getdents64(3, [pid 5777] <... setpgid resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5777] <... openat resumed>) = 3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./130/binderfs", ./strace-static-x86_64: Process 5780 attached ./strace-static-x86_64: Process 5779 attached [pid 5777] write(3, "1000", 4 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./130/binderfs" [pid 4997] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5780] chdir("./131" [pid 5779] chdir("./120" [pid 5777] <... write resumed>) = 4 [pid 5001] <... unlink resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5780] <... chdir resumed>) = 0 [pid 5779] <... chdir resumed>) = 0 [pid 5777] close(3 [pid 5001] getdents64(3, [pid 5780] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5777] <... close resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5780] <... prctl resumed>) = 0 [pid 5779] <... prctl resumed>) = 0 [pid 5777] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5780] setpgid(0, 0 [pid 5779] setpgid(0, 0 [pid 5778] chdir("./134" [pid 5777] <... symlink resumed>) = 0 [pid 5001] close(3 [pid 4997] <... openat resumed>) = 3 [pid 5780] <... setpgid resumed>) = 0 [pid 5779] <... setpgid resumed>) = 0 [pid 5778] <... chdir resumed>) = 0 [pid 5777] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... close resumed>) = 0 [pid 4997] fstat(3, [pid 5780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5777] <... openat resumed>) = 3 [pid 5001] rmdir("./130" [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5780] <... openat resumed>) = 3 [pid 5779] <... openat resumed>) = 3 [pid 5778] <... prctl resumed>) = 0 [pid 5777] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5780] write(3, "1000", 4 [pid 5779] write(3, "1000", 4 [pid 5778] setpgid(0, 0 [pid 5777] <... mmap resumed>) = 0x20fff000 [pid 5001] <... rmdir resumed>) = 0 [pid 4997] getdents64(3, [pid 5780] <... write resumed>) = 4 [pid 5779] <... write resumed>) = 4 [pid 5777] exit_group(0 [pid 5780] close(3 [pid 5779] close(3 [pid 5777] <... exit_group resumed>) = ? [pid 5001] mkdir("./131", 0777 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5780] <... close resumed>) = 0 [pid 5779] <... close resumed>) = 0 [pid 5778] <... setpgid resumed>) = 0 [pid 5777] +++ exited with 0 +++ [pid 5780] symlink("/dev/binderfs", "./binderfs" [pid 5779] symlink("/dev/binderfs", "./binderfs" [pid 5780] <... symlink resumed>) = 0 [pid 5779] <... symlink resumed>) = 0 [pid 5778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... mkdir resumed>) = 0 [pid 4997] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5780] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5779] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5777, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5780] <... openat resumed>) = 3 [pid 5779] <... openat resumed>) = 3 [pid 5778] <... openat resumed>) = 3 [pid 5780] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5779] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5780] <... mmap resumed>) = 0x20fff000 [pid 5779] <... mmap resumed>) = 0x20fff000 [pid 5778] write(3, "1000", 4 [pid 4997] lstat("./128/binderfs", [pid 5780] exit_group(0 [pid 5779] exit_group(0 [pid 5780] <... exit_group resumed>) = ? [pid 5779] <... exit_group resumed>) = ? [pid 5780] +++ exited with 0 +++ [pid 5779] +++ exited with 0 +++ [pid 5778] <... write resumed>) = 4 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5781 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] unlink("./128/binderfs" [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5780, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5781 attached [pid 4997] <... unlink resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5778] close(3 [pid 5000] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] getdents64(3, [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... openat resumed>) = 3 [pid 4996] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5778] <... close resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] fstat(3, [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5778] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... openat resumed>) = 3 [pid 4996] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] fstat(3, [pid 4997] close(3 [pid 4996] <... openat resumed>) = 3 [pid 4998] getdents64(3, [pid 4997] <... close resumed>) = 0 [pid 5781] chdir("./131" [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] rmdir("./128" [pid 4996] fstat(3, [pid 5778] <... symlink resumed>) = 0 [pid 5000] getdents64(3, [pid 4998] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5781] <... chdir resumed>) = 0 [pid 5781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] <... rmdir resumed>) = 0 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5781] <... prctl resumed>) = 0 [pid 5781] setpgid(0, 0) = 0 [pid 5781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5781] write(3, "1000", 4) = 4 [pid 5781] close(3) = 0 [pid 5781] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] getdents64(3, [pid 5781] <... symlink resumed>) = 0 [pid 5778] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] lstat("./130/binderfs", [pid 4997] mkdir("./129", 0777 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5781] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... mkdir resumed>) = 0 [pid 4996] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5778] <... openat resumed>) = 3 [pid 5000] lstat("./131/binderfs", [pid 4998] unlink("./130/binderfs" [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5778] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5781] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 4996] lstat("./120/binderfs", [pid 5000] unlink("./131/binderfs" [pid 5781] exit_group(0 [pid 4998] <... unlink resumed>) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5781] <... exit_group resumed>) = ? [pid 5000] <... unlink resumed>) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5782 [pid 4996] unlink("./120/binderfs" [pid 5000] getdents64(3, [pid 4998] getdents64(3, [pid 5781] +++ exited with 0 +++ [pid 5778] <... mmap resumed>) = 0x20fff000 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... unlink resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5781, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] close(3 [pid 4998] close(3 [pid 4996] getdents64(3, [pid 5000] <... close resumed>) = 0 [pid 4998] <... close resumed>) = 0 ./strace-static-x86_64: Process 5782 attached [pid 5000] rmdir("./131" [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] rmdir("./130" [pid 5778] exit_group(0 [pid 5001] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5782] chdir("./129" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... rmdir resumed>) = 0 [pid 4996] close(3 [pid 5782] <... chdir resumed>) = 0 [pid 5782] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4998] <... rmdir resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] mkdir("./132", 0777 [pid 4996] <... close resumed>) = 0 [pid 5782] <... prctl resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4996] rmdir("./120" [pid 5782] setpgid(0, 0) = 0 [pid 5782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] fstat(3, [pid 5000] <... mkdir resumed>) = 0 [pid 5782] <... openat resumed>) = 3 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] mkdir("./131", 0777 [pid 5778] <... exit_group resumed>) = ? [pid 4996] <... rmdir resumed>) = 0 [pid 5001] getdents64(3, [pid 5782] write(3, "1000", 4) = 4 [pid 5782] close(3) = 0 [pid 5782] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] mkdir("./121", 0777 [pid 5782] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5001] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... mkdir resumed>) = 0 [pid 5782] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5783 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... mkdir resumed>) = 0 [pid 5001] lstat("./131/binderfs", [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5782] exit_group(0) = ? [pid 5001] unlink("./131/binderfs"./strace-static-x86_64: Process 5783 attached [pid 5783] chdir("./132" [pid 5782] +++ exited with 0 +++ [pid 5001] <... unlink resumed>) = 0 [pid 5778] +++ exited with 0 +++ [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5778, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] getdents64(3, [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5785 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5782, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5784 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5783] <... chdir resumed>) = 0 [pid 5783] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] close(3 [pid 5783] <... prctl resumed>) = 0 [pid 5002] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... close resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] rmdir("./131" [pid 4997] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5783] setpgid(0, 0) = 0 [pid 5783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... rmdir resumed>) = 0 [pid 5783] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 5001] mkdir("./132", 0777 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5783] write(3, "1000", 4 [pid 5002] fstat(3, [pid 5783] <... write resumed>) = 4 [pid 5783] close(3) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5783] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] getdents64(3, [pid 5783] <... symlink resumed>) = 0 [pid 5783] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5784 attached [pid 5783] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5786 [pid 4997] fstat(3, ./strace-static-x86_64: Process 5786 attached [pid 5784] chdir("./121" [pid 5783] <... mmap resumed>) = 0x20fff000 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5785 attached [pid 5784] <... chdir resumed>) = 0 [pid 5783] exit_group(0 [pid 5002] lstat("./134/binderfs", [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5784] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5785] chdir("./131" [pid 5783] <... exit_group resumed>) = ? [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./134/binderfs" [pid 4997] getdents64(3, [pid 5786] chdir("./132" [pid 5784] <... prctl resumed>) = 0 [pid 5785] <... chdir resumed>) = 0 [pid 5783] +++ exited with 0 +++ [pid 5002] <... unlink resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5784] setpgid(0, 0 [pid 5785] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] getdents64(3, [pid 4997] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5784] <... setpgid resumed>) = 0 [pid 5785] <... prctl resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5783, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5786] <... chdir resumed>) = 0 [pid 5784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5785] setpgid(0, 0 [pid 5002] close(3 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4997] lstat("./129/binderfs", [pid 5786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5784] <... openat resumed>) = 3 [pid 5785] <... setpgid resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5786] <... prctl resumed>) = 0 [pid 5784] write(3, "1000", 4 [pid 5785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5786] setpgid(0, 0 [pid 5784] <... write resumed>) = 4 [pid 5785] <... openat resumed>) = 3 [pid 5002] rmdir("./134" [pid 4997] unlink("./129/binderfs" [pid 5786] <... setpgid resumed>) = 0 [pid 5784] close(3 [pid 5785] write(3, "1000", 4 [pid 5784] <... close resumed>) = 0 [pid 5785] <... write resumed>) = 4 [pid 5002] <... rmdir resumed>) = 0 [pid 5784] symlink("/dev/binderfs", "./binderfs" [pid 5785] close(3 [pid 5784] <... symlink resumed>) = 0 [pid 5785] <... close resumed>) = 0 [pid 5002] mkdir("./135", 0777 [pid 5786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... unlink resumed>) = 0 [pid 5784] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5785] symlink("/dev/binderfs", "./binderfs" [pid 5786] <... openat resumed>) = 3 [pid 5784] <... openat resumed>) = 3 [pid 5785] <... symlink resumed>) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] getdents64(3, [pid 5786] write(3, "1000", 4 [pid 5784] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5785] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5786] <... write resumed>) = 4 [pid 5784] <... mmap resumed>) = 0x20fff000 [pid 5785] <... openat resumed>) = 3 [pid 5784] exit_group(0 [pid 5785] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5786] close(3 [pid 5784] <... exit_group resumed>) = ? [pid 5785] <... mmap resumed>) = 0x20fff000 [pid 5000] <... openat resumed>) = 3 [pid 4997] close(3 [pid 5786] <... close resumed>) = 0 [pid 5784] +++ exited with 0 +++ [pid 5785] exit_group(0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5787 [pid 5000] fstat(3, [pid 4997] <... close resumed>) = 0 [pid 5785] <... exit_group resumed>) = ? [pid 5786] symlink("/dev/binderfs", "./binderfs" [pid 5785] +++ exited with 0 +++ [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] rmdir("./129" [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5784, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] getdents64(3, [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5785, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5787 attached [pid 5787] chdir("./135" [pid 4997] <... rmdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] mkdir("./130", 0777 [pid 5787] <... chdir resumed>) = 0 [pid 5000] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5787] setpgid(0, 0) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 4996] umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5786] <... symlink resumed>) = 0 [pid 5000] lstat("./132/binderfs", [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5787] <... openat resumed>) = 3 [pid 5786] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5787] write(3, "1000", 4 [pid 4998] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5787] <... write resumed>) = 4 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5787] close(3 [pid 4998] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5787] <... close resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 4996] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5787] symlink("/dev/binderfs", "./binderfs" [pid 5000] unlink("./132/binderfs" [pid 4998] fstat(3, [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5788 [pid 5787] <... symlink resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... openat resumed>) = 3 [pid 5787] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... unlink resumed>) = 0 [pid 4998] getdents64(3, [pid 5786] <... openat resumed>) = 3 [pid 4996] fstat(3, [pid 5787] <... openat resumed>) = 3 [pid 5000] getdents64(3, [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5787] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5786] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5787] <... mmap resumed>) = 0x20fff000 [pid 5786] <... mmap resumed>) = 0x20fff000 [pid 5000] close(3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] getdents64(3, ./strace-static-x86_64: Process 5788 attached [pid 5787] exit_group(0 [pid 5786] exit_group(0 [pid 5000] <... close resumed>) = 0 [pid 4998] lstat("./131/binderfs", [pid 5788] chdir("./130" [pid 5787] <... exit_group resumed>) = ? [pid 5786] <... exit_group resumed>) = ? [pid 5000] rmdir("./132" [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5788] <... chdir resumed>) = 0 [pid 5787] +++ exited with 0 +++ [pid 5000] <... rmdir resumed>) = 0 [pid 4998] unlink("./131/binderfs" [pid 4996] umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5788] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5786] +++ exited with 0 +++ [pid 5000] mkdir("./133", 0777 [pid 4998] <... unlink resumed>) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5788] <... prctl resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5787, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] getdents64(3, [pid 4996] lstat("./121/binderfs", [pid 5788] setpgid(0, 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5788] <... setpgid resumed>) = 0 [pid 4998] close(3 [pid 5788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5786, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... mkdir resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5788] <... openat resumed>) = 3 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5001] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] rmdir("./131" [pid 4996] unlink("./121/binderfs" [pid 5788] write(3, "1000", 4 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... rmdir resumed>) = 0 [pid 5788] <... write resumed>) = 4 [pid 4998] mkdir("./132", 0777 [pid 5788] close(3 [pid 5001] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... mkdir resumed>) = 0 [pid 5788] <... close resumed>) = 0 [pid 5002] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5789 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... openat resumed>) = 3 [pid 4996] <... unlink resumed>) = 0 [pid 5788] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] fstat(3, [pid 4996] getdents64(3, ./strace-static-x86_64: Process 5790 attached [pid 5788] <... symlink resumed>) = 0 [pid 5002] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5790 [pid 5788] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5790] chdir("./132" [pid 5788] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 5001] getdents64(3, [pid 4996] close(3 [pid 5788] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] fstat(3, [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5790] <... chdir resumed>) = 0 [pid 5788] <... mmap resumed>) = 0x20fff000 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... close resumed>) = 0 ./strace-static-x86_64: Process 5789 attached [pid 5790] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5788] exit_group(0 [pid 5002] getdents64(3, [pid 5001] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] rmdir("./121" [pid 5789] chdir("./133" [pid 5788] <... exit_group resumed>) = ? [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5790] <... prctl resumed>) = 0 [pid 5789] <... chdir resumed>) = 0 [pid 5788] +++ exited with 0 +++ [pid 5002] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] lstat("./132/binderfs", [pid 4996] <... rmdir resumed>) = 0 [pid 5789] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] mkdir("./122", 0777 [pid 5789] <... prctl resumed>) = 0 [pid 5002] lstat("./135/binderfs", [pid 5001] unlink("./132/binderfs" [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5788, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5789] setpgid(0, 0) = 0 [pid 5789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 4996] <... mkdir resumed>) = 0 [pid 5789] <... openat resumed>) = 3 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 4997] <... restart_syscall resumed>) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] unlink("./135/binderfs" [pid 5001] getdents64(3, [pid 5789] write(3, "1000", 4) = 4 [pid 5789] close(3) = 0 [pid 5789] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5789] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5789] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5002] <... unlink resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5791 [pid 5789] exit_group(0 [pid 5002] getdents64(3, [pid 5001] close(3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5789] <... exit_group resumed>) = ? [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... close resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] close(3 [pid 5001] rmdir("./132" [pid 4997] <... openat resumed>) = 3 [pid 5002] <... close resumed>) = 0 [pid 4997] fstat(3, [pid 5789] +++ exited with 0 +++ [pid 5002] rmdir("./135" [pid 5001] <... rmdir resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5791 attached [pid 5791] chdir("./122" [pid 5002] <... rmdir resumed>) = 0 [pid 5001] mkdir("./133", 0777 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5789, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] getdents64(3, [pid 5791] <... chdir resumed>) = 0 [pid 5002] mkdir("./136", 0777 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5791] setpgid(0, 0) = 0 [pid 5791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... mkdir resumed>) = 0 [pid 4997] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5791] <... openat resumed>) = 3 [pid 5790] setpgid(0, 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5791] write(3, "1000", 4 [pid 5790] <... setpgid resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5791] <... write resumed>) = 4 [pid 5791] close(3) = 0 [pid 5791] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5791] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5792 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./130/binderfs", [pid 5000] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5791] <... openat resumed>) = 3 [pid 5000] <... openat resumed>) = 3 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5791] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] fstat(3, [pid 4997] unlink("./130/binderfs" [pid 5791] <... mmap resumed>) = 0x20fff000 [pid 5790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5791] exit_group(0 [pid 4997] <... unlink resumed>) = 0 [pid 5791] <... exit_group resumed>) = ? [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5793 [pid 5000] getdents64(3, [pid 4997] getdents64(3, [pid 5791] +++ exited with 0 +++ [pid 5790] <... openat resumed>) = 3 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5792 attached [pid 5790] write(3, "1000", 4 [pid 5000] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] close(3 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5791, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5790] <... write resumed>) = 4 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... close resumed>) = 0 [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 5790] close(3 [pid 5000] lstat("./133/binderfs", [pid 4997] rmdir("./130" [pid 4996] <... restart_syscall resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5793 attached [pid 5793] chdir("./136" [pid 5000] unlink("./133/binderfs" [pid 4997] <... rmdir resumed>) = 0 [pid 5790] <... close resumed>) = 0 [pid 5793] <... chdir resumed>) = 0 [pid 5793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 4997] mkdir("./131", 0777 [pid 5793] setpgid(0, 0 [pid 5000] getdents64(3, [pid 5793] <... setpgid resumed>) = 0 [pid 5793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... mkdir resumed>) = 0 [pid 5790] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5792] chdir("./133" [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] close(3 [pid 5793] <... openat resumed>) = 3 [pid 5793] write(3, "1000", 4) = 4 [pid 5793] close(3) = 0 [pid 5793] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... close resumed>) = 0 [pid 5000] rmdir("./133" [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5794 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5793] <... symlink resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 4996] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] mkdir("./134", 0777 [pid 4996] <... openat resumed>) = 3 [pid 5793] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5000] <... mkdir resumed>) = 0 [pid 4996] fstat(3, [pid 5790] <... symlink resumed>) = 0 [pid 5792] <... chdir resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5793] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5793] exit_group(0 [pid 4996] getdents64(3, [pid 5792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5790] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5795 [pid 5792] <... prctl resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 5794 attached [pid 5793] <... exit_group resumed>) = ? [pid 5792] setpgid(0, 0 [pid 4996] umount2("./122/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5792] <... setpgid resumed>) = 0 [pid 5790] <... openat resumed>) = 3 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5794] chdir("./131" [pid 5793] +++ exited with 0 +++ [pid 5792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5790] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4996] lstat("./122/binderfs", [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5793, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] unlink("./122/binderfs"./strace-static-x86_64: Process 5795 attached [pid 5794] <... chdir resumed>) = 0 [pid 5795] chdir("./134" [pid 5794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4996] <... unlink resumed>) = 0 [pid 5002] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] getdents64(3, [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5795] <... chdir resumed>) = 0 [pid 5794] <... prctl resumed>) = 0 [pid 5002] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5795] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5794] setpgid(0, 0 [pid 5002] <... openat resumed>) = 3 [pid 4996] close(3 [pid 5795] <... prctl resumed>) = 0 [pid 5794] <... setpgid resumed>) = 0 [pid 5792] <... openat resumed>) = 3 [pid 5002] fstat(3, [pid 5795] setpgid(0, 0 [pid 5794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4996] <... close resumed>) = 0 [pid 5795] <... setpgid resumed>) = 0 [pid 5794] <... openat resumed>) = 3 [pid 5792] write(3, "1000", 4 [pid 5790] <... mmap resumed>) = 0x20fff000 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] rmdir("./122" [pid 5795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5794] write(3, "1000", 4 [pid 5792] <... write resumed>) = 4 [pid 5002] getdents64(3, [pid 5795] <... openat resumed>) = 3 [pid 5794] <... write resumed>) = 4 [pid 4996] <... rmdir resumed>) = 0 [pid 5795] write(3, "1000", 4 [pid 5794] close(3 [pid 5792] close(3 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] mkdir("./123", 0777 [pid 5795] <... write resumed>) = 4 [pid 5794] <... close resumed>) = 0 [pid 5790] exit_group(0 [pid 5795] close(3 [pid 5794] symlink("/dev/binderfs", "./binderfs" [pid 5002] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5795] <... close resumed>) = 0 [pid 5794] <... symlink resumed>) = 0 [pid 4996] <... mkdir resumed>) = 0 [pid 5795] symlink("/dev/binderfs", "./binderfs" [pid 5794] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5792] <... close resumed>) = 0 [pid 5790] <... exit_group resumed>) = ? [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5795] <... symlink resumed>) = 0 [pid 5794] <... openat resumed>) = 3 [pid 5792] symlink("/dev/binderfs", "./binderfs" [pid 5002] lstat("./136/binderfs", [pid 5795] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5794] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5795] <... openat resumed>) = 3 [pid 5794] <... mmap resumed>) = 0x20fff000 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5795] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5794] exit_group(0 [pid 5792] <... symlink resumed>) = 0 [pid 5002] unlink("./136/binderfs" [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5796 [pid 5795] <... mmap resumed>) = 0x20fff000 [pid 5794] <... exit_group resumed>) = ? [pid 5795] exit_group(0 [pid 5794] +++ exited with 0 +++ [pid 5792] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5790] +++ exited with 0 +++ [pid 5002] <... unlink resumed>) = 0 [pid 5795] <... exit_group resumed>) = ? [pid 5002] getdents64(3, [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5795] +++ exited with 0 +++ [pid 5792] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5796 attached [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5794, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5796] chdir("./123" [pid 5792] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 5002] close(3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5795, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] <... restart_syscall resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5002] rmdir("./136" [pid 5796] <... chdir resumed>) = 0 [pid 5796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5000] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5796] setpgid(0, 0) = 0 [pid 5796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... rmdir resumed>) = 0 [pid 5796] <... openat resumed>) = 3 [pid 5002] mkdir("./137", 0777 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5796] write(3, "1000", 4 [pid 4997] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... openat resumed>) = 3 [pid 5796] <... write resumed>) = 4 [pid 5000] <... openat resumed>) = 3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] fstat(3, [pid 4997] fstat(3, [pid 5796] close(3) = 0 [pid 5796] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... mkdir resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5796] <... symlink resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] getdents64(3, [pid 4998] <... openat resumed>) = 3 [pid 4997] getdents64(3, [pid 4998] fstat(3, [pid 5796] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] getdents64(3, [pid 4997] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] lstat("./131/binderfs", [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] lstat("./134/binderfs", [pid 4998] lstat("./132/binderfs", [pid 5796] <... openat resumed>) = 3 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./131/binderfs" [pid 5796] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] unlink("./134/binderfs" [pid 4998] unlink("./132/binderfs" [pid 5796] <... mmap resumed>) = 0x20fff000 [pid 4997] <... unlink resumed>) = 0 [pid 5796] exit_group(0 [pid 5000] <... unlink resumed>) = 0 [pid 5796] <... exit_group resumed>) = ? [pid 5000] getdents64(3, [pid 4998] <... unlink resumed>) = 0 [pid 4997] getdents64(3, [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5797 [pid 5796] +++ exited with 0 +++ [pid 5792] <... mmap resumed>) = 0x20fff000 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] getdents64(3, [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] close(3 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] close(3 [pid 5000] <... close resumed>) = 0 [pid 4998] close(3 [pid 5000] rmdir("./134" [pid 4997] <... close resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5796, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5797 attached [pid 5797] chdir("./137" [pid 5000] <... rmdir resumed>) = 0 [pid 4998] rmdir("./132" [pid 4997] rmdir("./131" [pid 4996] umount2("./123", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5792] exit_group(0 [pid 5000] mkdir("./135", 0777 [pid 5797] <... chdir resumed>) = 0 [pid 5797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 5797] setpgid(0, 0) = 0 [pid 5797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] mkdir("./133", 0777 [pid 4997] <... rmdir resumed>) = 0 [pid 5797] <... openat resumed>) = 3 [pid 5000] <... mkdir resumed>) = 0 [pid 4997] mkdir("./132", 0777 [pid 5797] write(3, "1000", 4) = 4 [pid 5797] close(3 [pid 4998] <... mkdir resumed>) = 0 [pid 5797] <... close resumed>) = 0 [pid 5797] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5792] <... exit_group resumed>) = ? [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... mkdir resumed>) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5797] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5797] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5797] exit_group(0) = ? [pid 5797] +++ exited with 0 +++ [pid 4996] <... openat resumed>) = 3 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5798 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5799 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5800 [pid 4996] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5798 attached [pid 4996] getdents64(3, [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5797, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5798] chdir("./135") = 0 [pid 5798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5798] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5799 attached [pid 5799] chdir("./133" [pid 5798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5799] <... chdir resumed>) = 0 [pid 5799] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4996] umount2("./123/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] lstat("./123/binderfs", [pid 5002] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5799] <... prctl resumed>) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5799] setpgid(0, 0 [pid 4996] unlink("./123/binderfs" [pid 5002] <... openat resumed>) = 3 [pid 5799] <... setpgid resumed>) = 0 [pid 5799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] fstat(3, [pid 4996] <... unlink resumed>) = 0 [pid 5798] write(3, "1000", 4 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] getdents64(3, [pid 5002] getdents64(3, [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5798] <... write resumed>) = 4 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] close(3 [pid 5002] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5798] close(3 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... close resumed>) = 0 [pid 5002] lstat("./137/binderfs", [pid 4996] rmdir("./123" [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5799] <... openat resumed>) = 3 [pid 5798] <... close resumed>) = 0 [pid 4996] <... rmdir resumed>) = 0 [pid 5002] unlink("./137/binderfs" [pid 5799] write(3, "1000", 4 [pid 5798] symlink("/dev/binderfs", "./binderfs" [pid 5799] <... write resumed>) = 4 [pid 5798] <... symlink resumed>) = 0 [pid 5002] <... unlink resumed>) = 0 [pid 5792] +++ exited with 0 +++ [pid 4996] mkdir("./124", 0777 [pid 5002] getdents64(3, [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5792, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5799] close(3 [pid 5798] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5799] <... close resumed>) = 0 [pid 5798] <... openat resumed>) = 3 [pid 5002] close(3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... mkdir resumed>) = 0 [pid 5799] symlink("/dev/binderfs", "./binderfs" [pid 5798] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] <... close resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] rmdir("./137" [pid 5799] <... symlink resumed>) = 0 [pid 5798] <... mmap resumed>) = 0x20fff000 [pid 5002] <... rmdir resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5001] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] mkdir("./138", 0777 [pid 5001] getdents64(3, [pid 5799] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5798] exit_group(0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5799] <... openat resumed>) = 3 [pid 5002] <... mkdir resumed>) = 0 [pid 5799] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5798] <... exit_group resumed>) = ? [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5800 attached [pid 5799] <... mmap resumed>) = 0x20fff000 [pid 5798] +++ exited with 0 +++ [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5799] exit_group(0 [pid 5001] lstat("./133/binderfs", [pid 5799] <... exit_group resumed>) = ? [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5798, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5800] chdir("./132" [pid 5799] +++ exited with 0 +++ [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5801 [pid 5001] unlink("./133/binderfs"./strace-static-x86_64: Process 5801 attached [pid 5801] chdir("./124" [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5802 [pid 5001] <... unlink resumed>) = 0 [pid 5000] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5799, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] getdents64(3, 0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5801] <... chdir resumed>) = 0 [pid 5001] close(3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5801] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] <... close resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] rmdir("./133" [pid 5000] <... openat resumed>) = 3 [pid 5801] <... prctl resumed>) = 0 [pid 5801] setpgid(0, 0) = 0 [pid 5801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... rmdir resumed>) = 0 [pid 5000] fstat(3, [pid 5001] mkdir("./134", 0777 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, [pid 5801] <... openat resumed>) = 3 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 5802 attached [pid 5802] chdir("./138" [pid 5001] <... mkdir resumed>) = 0 [pid 4998] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5801] write(3, "1000", 4) = 4 [pid 5801] close(3) = 0 [pid 5801] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5000] lstat("./135/binderfs", [pid 4998] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5803 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... openat resumed>) = 3 [pid 5000] unlink("./135/binderfs" [pid 4998] fstat(3, [pid 5802] <... chdir resumed>) = 0 [pid 5801] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... unlink resumed>) = 0 [pid 5000] getdents64(3, [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] getdents64(3, [pid 5802] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5801] <... openat resumed>) = 3 [pid 5000] close(3 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] <... close resumed>) = 0 [pid 5000] rmdir("./135" [pid 4998] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5802] <... prctl resumed>) = 0 [pid 5801] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5802] setpgid(0, 0 [pid 5801] <... mmap resumed>) = 0x20fff000 [pid 5800] <... chdir resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5800] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] mkdir("./136", 0777 [pid 4998] lstat("./133/binderfs", [pid 5800] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5803 attached [pid 5802] <... setpgid resumed>) = 0 [pid 5801] exit_group(0 [pid 5803] chdir("./134" [pid 5802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5801] <... exit_group resumed>) = ? [pid 5800] setpgid(0, 0 [pid 5000] <... mkdir resumed>) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5803] <... chdir resumed>) = 0 [pid 5802] <... openat resumed>) = 3 [pid 5800] <... setpgid resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] unlink("./133/binderfs" [pid 5803] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5802] write(3, "1000", 4 [pid 5801] +++ exited with 0 +++ [pid 5803] <... prctl resumed>) = 0 [pid 5802] <... write resumed>) = 4 [pid 5803] setpgid(0, 0 [pid 5802] close(3 [pid 5803] <... setpgid resumed>) = 0 [pid 5802] <... close resumed>) = 0 [pid 5803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5802] symlink("/dev/binderfs", "./binderfs" [pid 5803] <... openat resumed>) = 3 [pid 5802] <... symlink resumed>) = 0 [pid 5800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5804 [pid 4998] <... unlink resumed>) = 0 [pid 5803] write(3, "1000", 4 [pid 5802] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] getdents64(3, [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5801, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5803] <... write resumed>) = 4 [pid 5802] <... openat resumed>) = 3 [pid 5800] <... openat resumed>) = 3 [pid 5803] close(3 [pid 5802] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5803] <... close resumed>) = 0 [pid 5802] <... mmap resumed>) = 0x20fff000 [pid 5800] write(3, "1000", 4 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 5803] symlink("/dev/binderfs", "./binderfs" [pid 5802] exit_group(0./strace-static-x86_64: Process 5804 attached [pid 5803] <... symlink resumed>) = 0 [pid 5802] <... exit_group resumed>) = ? [pid 5800] <... write resumed>) = 4 [pid 4998] close(3 [pid 4996] <... restart_syscall resumed>) = 0 [pid 5804] chdir("./136" [pid 5803] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5802] +++ exited with 0 +++ [pid 5800] close(3 [pid 4998] <... close resumed>) = 0 [pid 5804] <... chdir resumed>) = 0 [pid 5803] <... openat resumed>) = 3 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5802, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] rmdir("./133" [pid 5804] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5803] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5800] <... close resumed>) = 0 [pid 5804] <... prctl resumed>) = 0 [pid 5803] <... mmap resumed>) = 0x20fff000 [pid 4998] <... rmdir resumed>) = 0 [pid 5804] setpgid(0, 0 [pid 5803] exit_group(0 [pid 5800] symlink("/dev/binderfs", "./binderfs" [pid 4998] mkdir("./134", 0777 [pid 4996] umount2("./124", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5804] <... setpgid resumed>) = 0 [pid 5803] <... exit_group resumed>) = ? [pid 5002] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5803] +++ exited with 0 +++ [pid 5800] <... symlink resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... mkdir resumed>) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5803, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... openat resumed>) = 3 [pid 5804] <... openat resumed>) = 3 [pid 5804] write(3, "1000", 4) = 4 [pid 5804] close(3) = 0 [pid 5804] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5002] fstat(3, [pid 4996] <... openat resumed>) = 3 [pid 5800] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5805 [pid 4996] fstat(3, [pid 5002] getdents64(3, [pid 5001] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] getdents64(3, [pid 5002] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5804] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5800] <... openat resumed>) = 3 [pid 5002] lstat("./138/binderfs", [pid 5001] <... openat resumed>) = 3 [pid 4996] umount2("./124/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5804] <... openat resumed>) = 3 [pid 5800] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5805 attached [pid 5804] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] unlink("./138/binderfs" [pid 5001] fstat(3, [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5805] chdir("./134" [pid 5804] <... mmap resumed>) = 0x20fff000 [pid 5800] <... mmap resumed>) = 0x20fff000 [pid 5805] <... chdir resumed>) = 0 [pid 5804] exit_group(0 [pid 5002] <... unlink resumed>) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5805] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5804] <... exit_group resumed>) = ? [pid 5800] exit_group(0 [pid 5002] getdents64(3, [pid 5001] getdents64(3, [pid 4996] lstat("./124/binderfs", [pid 5805] <... prctl resumed>) = 0 [pid 5804] +++ exited with 0 +++ [pid 5800] <... exit_group resumed>) = ? [pid 5805] setpgid(0, 0) = 0 [pid 5805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5805] write(3, "1000", 4) = 4 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5804, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] close(3 [pid 4996] unlink("./124/binderfs" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5805] close(3) = 0 [pid 5805] symlink("/dev/binderfs", "./binderfs" [pid 4996] <... unlink resumed>) = 0 [pid 5001] lstat("./134/binderfs", [pid 5002] <... close resumed>) = 0 [pid 4996] getdents64(3, [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] rmdir("./138" [pid 5001] unlink("./134/binderfs" [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5805] <... symlink resumed>) = 0 [pid 5805] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... rmdir resumed>) = 0 [pid 5805] <... openat resumed>) = 3 [pid 5001] <... unlink resumed>) = 0 [pid 4996] close(3 [pid 5002] mkdir("./139", 0777 [pid 5001] getdents64(3, [pid 4996] <... close resumed>) = 0 [pid 5000] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] rmdir("./124" [pid 5805] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5002] <... mkdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] close(3 [pid 4996] <... rmdir resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... close resumed>) = 0 [pid 4996] mkdir("./125", 0777 [pid 5805] exit_group(0) = ? [pid 5805] +++ exited with 0 +++ [pid 5001] rmdir("./134" [pid 5000] <... openat resumed>) = 3 [pid 4996] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5806 attached [pid 5001] <... rmdir resumed>) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5805, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] fstat(3, [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5806 [pid 5001] mkdir("./135", 0777 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5806] chdir("./139") = 0 [pid 5806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5806] setpgid(0, 0) = 0 [pid 5806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] getdents64(3, [pid 4998] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5806] <... openat resumed>) = 3 [pid 5806] write(3, "1000", 4 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5807 [pid 5806] <... write resumed>) = 4 [pid 5806] close(3) = 0 [pid 5806] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5806] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] <... openat resumed>) = 3 [pid 5806] <... openat resumed>) = 3 [pid 5806] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] fstat(3, [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5808 [pid 5000] lstat("./136/binderfs", [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] getdents64(3, [pid 5806] <... mmap resumed>) = 0x20fff000 [pid 5000] unlink("./136/binderfs" [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5806] exit_group(0) = ? [pid 5000] <... unlink resumed>) = 0 [pid 4998] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5800] +++ exited with 0 +++ [pid 5000] getdents64(3, [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] lstat("./134/binderfs", [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5800, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] close(3 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... close resumed>) = 0 [pid 4998] unlink("./134/binderfs"./strace-static-x86_64: Process 5807 attached [pid 5807] chdir("./125" [pid 5000] rmdir("./136" [pid 4998] <... unlink resumed>) = 0 [pid 4997] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5807] <... chdir resumed>) = 0 [pid 5807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5807] setpgid(0, 0 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] getdents64(3, [pid 5000] mkdir("./137", 0777 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5807] <... setpgid resumed>) = 0 [pid 5807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... mkdir resumed>) = 0 [pid 4998] close(3 [pid 4997] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... close resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 4998] rmdir("./134" [pid 4997] fstat(3, ./strace-static-x86_64: Process 5808 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5808] chdir("./135" [pid 5807] <... openat resumed>) = 3 [pid 5806] +++ exited with 0 +++ [pid 4998] <... rmdir resumed>) = 0 [pid 4997] getdents64(3, [pid 5808] <... chdir resumed>) = 0 [pid 5807] write(3, "1000", 4 [pid 4998] mkdir("./135", 0777 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5809 attached [pid 5808] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5807] <... write resumed>) = 4 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5806, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5809 [pid 4998] <... mkdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] lstat("./132/binderfs", [pid 5808] <... prctl resumed>) = 0 [pid 5807] close(3 [pid 5808] setpgid(0, 0 [pid 5807] <... close resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5808] <... setpgid resumed>) = 0 [pid 5807] symlink("/dev/binderfs", "./binderfs" [pid 5808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5807] <... symlink resumed>) = 0 [pid 4997] unlink("./132/binderfs" [pid 5002] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5810 [pid 5808] <... openat resumed>) = 3 [pid 5807] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... unlink resumed>) = 0 [pid 5002] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] getdents64(3, [pid 5808] write(3, "1000", 4 [pid 5807] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5808] <... write resumed>) = 4 [pid 5807] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] fstat(3, [pid 4997] close(3 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5810 attached [pid 5808] close(3 [pid 5807] <... mmap resumed>) = 0x20fff000 [pid 5002] getdents64(3, [pid 4997] <... close resumed>) = 0 [pid 5808] <... close resumed>) = 0 [pid 5808] symlink("/dev/binderfs", "./binderfs" [pid 5807] exit_group(0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] rmdir("./132" [pid 5809] chdir("./137" [pid 5808] <... symlink resumed>) = 0 [pid 5002] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5808] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5807] <... exit_group resumed>) = ? [pid 5810] chdir("./135" [pid 5809] <... chdir resumed>) = 0 [pid 5808] <... openat resumed>) = 3 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... rmdir resumed>) = 0 [pid 5810] <... chdir resumed>) = 0 [pid 5809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5808] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5807] +++ exited with 0 +++ [pid 5002] lstat("./139/binderfs", [pid 4997] mkdir("./133", 0777 [pid 5810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5809] <... prctl resumed>) = 0 [pid 5808] <... mmap resumed>) = 0x20fff000 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5808] exit_group(0) = ? [pid 5810] <... prctl resumed>) = 0 [pid 5809] setpgid(0, 0 [pid 5002] unlink("./139/binderfs" [pid 4997] <... mkdir resumed>) = 0 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5807, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5810] setpgid(0, 0 [pid 5809] <... setpgid resumed>) = 0 [pid 5808] +++ exited with 0 +++ [pid 5002] <... unlink resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] getdents64(3, [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5808, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5810] <... setpgid resumed>) = 0 [pid 5810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 4996] umount2("./125", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] close(3 [pid 5001] <... restart_syscall resumed>) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... close resumed>) = 0 [pid 5002] rmdir("./139" [pid 4996] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5810] write(3, "1000", 4) = 4 [pid 5002] <... rmdir resumed>) = 0 [pid 4996] <... openat resumed>) = 3 [pid 5002] mkdir("./140", 0777 [pid 5001] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5811 [pid 5809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4996] fstat(3, [pid 5810] close(3) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] getdents64(3, ./strace-static-x86_64: Process 5811 attached [pid 5810] symlink("/dev/binderfs", "./binderfs" [pid 5811] chdir("./133" [pid 5810] <... symlink resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 5812 attached [pid 5809] <... openat resumed>) = 3 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5812 [pid 5001] fstat(3, [pid 4996] umount2("./125/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5812] chdir("./140" [pid 5811] <... chdir resumed>) = 0 [pid 5810] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5809] write(3, "1000", 4 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5812] <... chdir resumed>) = 0 [pid 5811] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5810] <... openat resumed>) = 3 [pid 5001] getdents64(3, [pid 4996] lstat("./125/binderfs", [pid 5812] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5811] <... prctl resumed>) = 0 [pid 5810] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5809] <... write resumed>) = 4 [pid 5812] <... prctl resumed>) = 0 [pid 5811] setpgid(0, 0 [pid 5810] <... mmap resumed>) = 0x20fff000 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5809] close(3 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5812] setpgid(0, 0 [pid 5811] <... setpgid resumed>) = 0 [pid 5810] exit_group(0 [pid 5809] <... close resumed>) = 0 [pid 5001] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] unlink("./125/binderfs" [pid 5812] <... setpgid resumed>) = 0 [pid 5811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5810] <... exit_group resumed>) = ? [pid 5809] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5811] <... openat resumed>) = 3 [pid 5810] +++ exited with 0 +++ [pid 5809] <... symlink resumed>) = 0 [pid 5001] lstat("./135/binderfs", [pid 4996] <... unlink resumed>) = 0 [pid 5812] <... openat resumed>) = 3 [pid 5811] write(3, "1000", 4 [pid 5809] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5812] write(3, "1000", 4 [pid 5811] <... write resumed>) = 4 [pid 5001] unlink("./135/binderfs" [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] getdents64(3, [pid 5812] <... write resumed>) = 4 [pid 5811] close(3 [pid 5809] <... openat resumed>) = 3 [pid 5812] close(3 [pid 5811] <... close resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 5809] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5812] <... close resumed>) = 0 [pid 5811] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5001] getdents64(3, [pid 4996] close(3 [pid 5812] symlink("/dev/binderfs", "./binderfs" [pid 5811] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5809] <... mmap resumed>) = 0x20fff000 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5812] <... symlink resumed>) = 0 [pid 5811] <... openat resumed>) = 3 [pid 4998] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... close resumed>) = 0 [pid 5812] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5811] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5809] exit_group(0 [pid 5001] close(3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] rmdir("./125" [pid 5812] <... openat resumed>) = 3 [pid 5811] <... mmap resumed>) = 0x20fff000 [pid 5811] exit_group(0 [pid 4998] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5812] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5811] <... exit_group resumed>) = ? [pid 5809] <... exit_group resumed>) = ? [pid 5001] <... close resumed>) = 0 [pid 4996] <... rmdir resumed>) = 0 [pid 5812] <... mmap resumed>) = 0x20fff000 [pid 5811] +++ exited with 0 +++ [pid 4998] <... openat resumed>) = 3 [pid 5001] rmdir("./135" [pid 4998] fstat(3, [pid 4996] mkdir("./126", 0777 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5812] exit_group(0 [pid 4996] <... mkdir resumed>) = 0 [pid 5812] <... exit_group resumed>) = ? [pid 5001] <... rmdir resumed>) = 0 [pid 4998] getdents64(3, [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5811, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5812] +++ exited with 0 +++ [pid 5809] +++ exited with 0 +++ [pid 5001] mkdir("./136", 0777 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5812, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5809, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... mkdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5813 attached [pid 5002] <... restart_syscall resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] lstat("./135/binderfs", [pid 4997] <... openat resumed>) = 3 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5813 [pid 5002] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5814 [pid 4997] fstat(3, [pid 5813] chdir("./126" [pid 5002] <... openat resumed>) = 3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] unlink("./135/binderfs" [pid 5813] <... chdir resumed>) = 0 [pid 5002] fstat(3, [pid 5000] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... openat resumed>) = 3 [pid 4998] <... unlink resumed>) = 0 [pid 5813] <... prctl resumed>) = 0 [pid 5002] getdents64(3, [pid 5000] fstat(3, [pid 4997] getdents64(3, [pid 4998] getdents64(3, [pid 5813] setpgid(0, 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5813] <... setpgid resumed>) = 0 [pid 5002] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 5814 attached [pid 5813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] getdents64(3, [pid 4998] close(3 [pid 4997] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5814] chdir("./136" [pid 5002] lstat("./140/binderfs", [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5814] <... chdir resumed>) = 0 [pid 5813] <... openat resumed>) = 3 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... close resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5814] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5813] write(3, "1000", 4 [pid 5002] unlink("./140/binderfs" [pid 4998] rmdir("./135" [pid 4997] lstat("./133/binderfs", [pid 5814] <... prctl resumed>) = 0 [pid 5813] <... write resumed>) = 4 [pid 5002] <... unlink resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] getdents64(3, [pid 5000] lstat("./137/binderfs", [pid 4998] <... rmdir resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5814] setpgid(0, 0 [pid 5813] close(3 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] mkdir("./136", 0777 [pid 4997] unlink("./133/binderfs" [pid 5814] <... setpgid resumed>) = 0 [pid 5813] <... close resumed>) = 0 [pid 5002] close(3 [pid 5000] unlink("./137/binderfs" [pid 5002] <... close resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 5002] rmdir("./140" [pid 4998] <... mkdir resumed>) = 0 [pid 5814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5813] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... rmdir resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] getdents64(3, [pid 5814] <... openat resumed>) = 3 [pid 5002] mkdir("./141", 0777 [pid 5000] getdents64(3, [pid 5002] <... mkdir resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5816 attached [pid 5814] write(3, "1000", 4 [pid 5813] <... symlink resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5815 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5814] <... write resumed>) = 4 [pid 5813] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5816 [pid 5000] close(3 [pid 4997] close(3 [pid 5816] chdir("./141" [pid 5814] close(3 [pid 5813] <... openat resumed>) = 3 [pid 5000] <... close resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 5816] <... chdir resumed>) = 0 [pid 5814] <... close resumed>) = 0 [pid 5813] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] rmdir("./137" [pid 4997] rmdir("./133" [pid 5814] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5815 attached [pid 5000] <... rmdir resumed>) = 0 [pid 5815] chdir("./136" [pid 5000] mkdir("./138", 0777 [pid 4997] <... rmdir resumed>) = 0 [pid 5814] <... symlink resumed>) = 0 [pid 4997] mkdir("./134", 0777 [pid 5815] <... chdir resumed>) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 5815] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5814] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... mkdir resumed>) = 0 [pid 5816] <... prctl resumed>) = 0 [pid 5815] <... prctl resumed>) = 0 [pid 5814] <... openat resumed>) = 3 [pid 5813] <... mmap resumed>) = 0x20fff000 [pid 5815] setpgid(0, 0) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5816] setpgid(0, 0 [pid 5815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5814] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5813] exit_group(0 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5817 [pid 5815] <... openat resumed>) = 3 [pid 5815] write(3, "1000", 4 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5818 [pid 5816] <... setpgid resumed>) = 0 [pid 5815] <... write resumed>) = 4 [pid 5814] <... mmap resumed>) = 0x20fff000 [pid 5813] <... exit_group resumed>) = ? [pid 5815] close(3 [pid 5814] exit_group(0 [pid 5815] <... close resumed>) = 0 [pid 5814] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5817 attached [pid 5815] symlink("/dev/binderfs", "./binderfs" [pid 5817] chdir("./138" [pid 5815] <... symlink resumed>) = 0 [pid 5814] +++ exited with 0 +++ [pid 5817] <... chdir resumed>) = 0 [pid 5816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5815] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5813] +++ exited with 0 +++ [pid 5817] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5816] <... openat resumed>) = 3 [pid 5815] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5818 attached [pid 5817] <... prctl resumed>) = 0 [pid 5816] write(3, "1000", 4 [pid 5815] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5814, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5813, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5818] chdir("./134" [pid 5817] setpgid(0, 0 [pid 5816] <... write resumed>) = 4 [pid 5815] <... mmap resumed>) = 0x20fff000 [pid 5001] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 5818] <... chdir resumed>) = 0 [pid 5817] <... setpgid resumed>) = 0 [pid 5816] close(3 [pid 5815] exit_group(0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5818] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5816] <... close resumed>) = 0 [pid 5815] <... exit_group resumed>) = ? [pid 4996] <... restart_syscall resumed>) = 0 [pid 5818] <... prctl resumed>) = 0 [pid 5817] <... openat resumed>) = 3 [pid 5816] symlink("/dev/binderfs", "./binderfs" [pid 5815] +++ exited with 0 +++ [pid 5001] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5818] setpgid(0, 0 [pid 5817] write(3, "1000", 4 [pid 5816] <... symlink resumed>) = 0 [pid 5818] <... setpgid resumed>) = 0 [pid 5817] <... write resumed>) = 4 [pid 5001] <... openat resumed>) = 3 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5815, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5817] close(3 [pid 5816] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] fstat(3, [pid 4996] umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5818] <... openat resumed>) = 3 [pid 5817] <... close resumed>) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5818] write(3, "1000", 4 [pid 5817] symlink("/dev/binderfs", "./binderfs" [pid 5816] <... openat resumed>) = 3 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5818] <... write resumed>) = 4 [pid 5817] <... symlink resumed>) = 0 [pid 5816] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] getdents64(3, [pid 4998] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5818] close(3 [pid 5817] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5818] <... close resumed>) = 0 [pid 5817] <... openat resumed>) = 3 [pid 5816] <... mmap resumed>) = 0x20fff000 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... openat resumed>) = 3 [pid 5818] symlink("/dev/binderfs", "./binderfs" [pid 5817] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] fstat(3, [pid 5818] <... symlink resumed>) = 0 [pid 5817] <... mmap resumed>) = 0x20fff000 [pid 5816] exit_group(0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5818] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5817] exit_group(0 [pid 5816] <... exit_group resumed>) = ? [pid 5001] lstat("./136/binderfs", [pid 4998] <... openat resumed>) = 3 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5818] <... openat resumed>) = 3 [pid 5817] <... exit_group resumed>) = ? [pid 5818] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5817] +++ exited with 0 +++ [pid 5816] +++ exited with 0 +++ [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] fstat(3, [pid 4996] getdents64(3, [pid 5818] <... mmap resumed>) = 0x20fff000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5816, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5818] exit_group(0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5001] unlink("./136/binderfs" [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5817, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5818] <... exit_group resumed>) = ? [pid 5002] <... restart_syscall resumed>) = 0 [pid 5818] +++ exited with 0 +++ [pid 5001] <... unlink resumed>) = 0 [pid 4998] getdents64(3, [pid 4996] umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] getdents64(3, [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5818, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] lstat("./126/binderfs", [pid 5002] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] close(3 [pid 4998] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... openat resumed>) = 3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... close resumed>) = 0 [pid 5002] fstat(3, [pid 5000] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] rmdir("./136" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] unlink("./126/binderfs" [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, [pid 5000] <... openat resumed>) = 3 [pid 4998] lstat("./136/binderfs", [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... unlink resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... rmdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] fstat(3, [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] getdents64(3, [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] mkdir("./137", 0777 [pid 4997] <... openat resumed>) = 3 [pid 5002] lstat("./141/binderfs", [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] unlink("./136/binderfs" [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] getdents64(3, [pid 4997] fstat(3, [pid 5002] unlink("./141/binderfs" [pid 4998] <... unlink resumed>) = 0 [pid 4996] close(3 [pid 5002] <... unlink resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, [pid 4998] getdents64(3, [pid 4996] <... close resumed>) = 0 [pid 5000] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] getdents64(3, [pid 5002] close(3) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5819 [pid 4996] rmdir("./126" [pid 5002] rmdir("./141" [pid 5000] lstat("./138/binderfs", [pid 4998] close(3 [pid 4997] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... rmdir resumed>) = 0 [pid 4996] <... rmdir resumed>) = 0 [pid 5002] mkdir("./142", 0777 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... close resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] mkdir("./127", 0777 [pid 5002] <... mkdir resumed>) = 0 [pid 5000] unlink("./138/binderfs" [pid 4998] rmdir("./136" [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] lstat("./134/binderfs", [pid 4996] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5820 attached [pid 5000] <... unlink resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5820 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5820] chdir("./142" [pid 5000] getdents64(3, [pid 4998] mkdir("./137", 0777 [pid 4997] unlink("./134/binderfs"./strace-static-x86_64: Process 5819 attached [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5819] chdir("./137" [pid 4998] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5821 attached [pid 5820] <... chdir resumed>) = 0 [pid 5000] close(3 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... unlink resumed>) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5821 [pid 5820] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] <... close resumed>) = 0 [pid 5819] <... chdir resumed>) = 0 [pid 5819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5000] rmdir("./138" [pid 4997] getdents64(3, [pid 5820] <... prctl resumed>) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5822 [pid 5819] setpgid(0, 0) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5820] setpgid(0, 0 [pid 5821] chdir("./127" [pid 5819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] mkdir("./139", 0777 [pid 5820] <... setpgid resumed>) = 0 [pid 4997] close(3 [pid 5821] <... chdir resumed>) = 0 [pid 5819] <... openat resumed>) = 3 [pid 5819] write(3, "1000", 4 [pid 5000] <... mkdir resumed>) = 0 [pid 5821] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5819] <... write resumed>) = 4 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... close resumed>) = 0 [pid 5821] <... prctl resumed>) = 0 [pid 5820] <... openat resumed>) = 3 [pid 5819] close(3 [pid 4997] rmdir("./134"./strace-static-x86_64: Process 5822 attached [pid 5819] <... close resumed>) = 0 [pid 5822] chdir("./137" [pid 5819] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5823 attached [pid 5822] <... chdir resumed>) = 0 [pid 5821] setpgid(0, 0 [pid 5820] write(3, "1000", 4 [pid 5819] <... symlink resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5823 [pid 4997] <... rmdir resumed>) = 0 [pid 5823] chdir("./139" [pid 5822] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5821] <... setpgid resumed>) = 0 [pid 5820] <... write resumed>) = 4 [pid 5819] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4997] mkdir("./135", 0777 [pid 5823] <... chdir resumed>) = 0 [pid 5822] <... prctl resumed>) = 0 [pid 5821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5820] close(3 [pid 5819] <... openat resumed>) = 3 [pid 5823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5822] setpgid(0, 0 [pid 5821] <... openat resumed>) = 3 [pid 5820] <... close resumed>) = 0 [pid 5819] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4997] <... mkdir resumed>) = 0 [pid 5823] <... prctl resumed>) = 0 [pid 5822] <... setpgid resumed>) = 0 [pid 5821] write(3, "1000", 4 [pid 5820] symlink("/dev/binderfs", "./binderfs" [pid 5819] <... mmap resumed>) = 0x20fff000 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5823] setpgid(0, 0 [pid 5822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5821] <... write resumed>) = 4 [pid 5820] <... symlink resumed>) = 0 [pid 5819] exit_group(0 [pid 5822] <... openat resumed>) = 3 [pid 5819] <... exit_group resumed>) = ? [pid 5823] <... setpgid resumed>) = 0 [pid 5822] write(3, "1000", 4 [pid 5821] close(3 [pid 5820] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5819] +++ exited with 0 +++ [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5824 [pid 5823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5822] <... write resumed>) = 4 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5819, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5823] <... openat resumed>) = 3 [pid 5822] close(3 [pid 5821] <... close resumed>) = 0 [pid 5820] <... openat resumed>) = 3 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5823] write(3, "1000", 4 [pid 5822] <... close resumed>) = 0 [pid 5821] symlink("/dev/binderfs", "./binderfs" [pid 5820] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5823] <... write resumed>) = 4 [pid 5822] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... restart_syscall resumed>) = 0 [pid 5822] <... symlink resumed>) = 0 [pid 5820] <... mmap resumed>) = 0x20fff000 [pid 5823] close(3 [pid 5822] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5821] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5824 attached [pid 5823] <... close resumed>) = 0 [pid 5822] <... openat resumed>) = 3 [pid 5820] exit_group(0 [pid 5824] chdir("./135" [pid 5823] symlink("/dev/binderfs", "./binderfs" [pid 5822] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5821] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5820] <... exit_group resumed>) = ? [pid 5001] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5824] <... chdir resumed>) = 0 [pid 5823] <... symlink resumed>) = 0 [pid 5822] <... mmap resumed>) = 0x20fff000 [pid 5821] <... openat resumed>) = 3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5822] exit_group(0 [pid 5001] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5824] <... prctl resumed>) = 0 [pid 5822] <... exit_group resumed>) = ? [pid 5821] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5820] +++ exited with 0 +++ [pid 5823] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... openat resumed>) = 3 [pid 5824] setpgid(0, 0 [pid 5822] +++ exited with 0 +++ [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5820, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] fstat(3, [pid 5824] <... setpgid resumed>) = 0 [pid 5821] <... mmap resumed>) = 0x20fff000 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5823] <... openat resumed>) = 3 [pid 5821] exit_group(0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5824] <... openat resumed>) = 3 [pid 5823] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5821] <... exit_group resumed>) = ? [pid 5824] write(3, "1000", 4 [pid 5001] getdents64(3, [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5822, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5824] <... write resumed>) = 4 [pid 5823] <... mmap resumed>) = 0x20fff000 [pid 5002] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5824] close(3 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5824] <... close resumed>) = 0 [pid 5002] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5824] symlink("/dev/binderfs", "./binderfs" [pid 5823] exit_group(0 [pid 5821] +++ exited with 0 +++ [pid 5002] <... openat resumed>) = 3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5824] <... symlink resumed>) = 0 [pid 5823] <... exit_group resumed>) = ? [pid 5002] fstat(3, [pid 5001] lstat("./137/binderfs", [pid 4998] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5821, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5824] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5824] <... openat resumed>) = 3 [pid 5002] getdents64(3, [pid 5001] unlink("./137/binderfs" [pid 4998] <... openat resumed>) = 3 [pid 5824] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5823] +++ exited with 0 +++ [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5824] <... mmap resumed>) = 0x20fff000 [pid 5002] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... unlink resumed>) = 0 [pid 4998] fstat(3, [pid 5824] exit_group(0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5824] <... exit_group resumed>) = ? [pid 5002] lstat("./142/binderfs", [pid 5001] getdents64(3, [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5823, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5824] +++ exited with 0 +++ [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4998] getdents64(3, [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] unlink("./142/binderfs" [pid 5001] close(3 [pid 5002] <... unlink resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] getdents64(3, [pid 5001] <... close resumed>) = 0 [pid 4998] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5824, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... openat resumed>) = 3 [pid 5002] close(3 [pid 5001] rmdir("./137" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 4996] fstat(3, [pid 5002] <... close resumed>) = 0 [pid 5000] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] lstat("./137/binderfs", [pid 5002] rmdir("./142") = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... restart_syscall resumed>) = 0 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] mkdir("./143", 0777 [pid 5001] mkdir("./138", 0777 [pid 5000] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] unlink("./137/binderfs" [pid 5002] <... mkdir resumed>) = 0 [pid 4996] getdents64(3, [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... openat resumed>) = 3 [pid 4998] <... unlink resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5825 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 5825 attached [pid 5001] <... mkdir resumed>) = 0 [pid 5000] fstat(3, [pid 4998] getdents64(3, [pid 4997] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5825] chdir("./143" [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] getdents64(3, 0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5825] <... chdir resumed>) = 0 [pid 5000] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] close(3 [pid 4997] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] lstat("./127/binderfs", [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5826 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... close resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 5000] lstat("./139/binderfs", [pid 4998] rmdir("./137" [pid 4997] fstat(3, [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./139/binderfs") = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] unlink("./127/binderfs" [pid 5000] getdents64(3, [pid 4998] mkdir("./138", 0777 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] getdents64(3, [pid 5000] close(3) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... unlink resumed>) = 0 [pid 5000] rmdir("./139") = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 4997] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] getdents64(3, [pid 5000] mkdir("./140", 0777 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5826 attached [pid 5825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] <... mkdir resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5826] chdir("./138" [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5828 attached [pid 5826] <... chdir resumed>) = 0 [pid 5825] <... prctl resumed>) = 0 [pid 4997] lstat("./135/binderfs", [pid 4996] close(3 [pid 5826] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5828 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5827 [pid 5826] <... prctl resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... close resumed>) = 0 [pid 5826] setpgid(0, 0 [pid 5825] setpgid(0, 0 [pid 4997] unlink("./135/binderfs" [pid 4996] rmdir("./127" [pid 5826] <... setpgid resumed>) = 0 [pid 5826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... unlink resumed>) = 0 [pid 5826] <... openat resumed>) = 3 [pid 5825] <... setpgid resumed>) = 0 [pid 4997] getdents64(3, [pid 4996] <... rmdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] mkdir("./128", 0777 [pid 4997] close(3./strace-static-x86_64: Process 5827 attached [pid 5826] write(3, "1000", 4) = 4 [pid 4997] <... close resumed>) = 0 [pid 4996] <... mkdir resumed>) = 0 [pid 5827] chdir("./138" [pid 5826] close(3 [pid 5825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] rmdir("./135" [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] <... chdir resumed>) = 0 [pid 5826] <... close resumed>) = 0 [pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5826] symlink("/dev/binderfs", "./binderfs" [pid 5827] <... prctl resumed>) = 0 [pid 5826] <... symlink resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 5827] setpgid(0, 0 [pid 5826] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5827] <... setpgid resumed>) = 0 [pid 5826] <... openat resumed>) = 3 [pid 5825] <... openat resumed>) = 3 [pid 4997] mkdir("./136", 0777 [pid 5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5826] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5825] write(3, "1000", 4 [pid 5828] chdir("./140" [pid 5827] <... openat resumed>) = 3 [pid 5826] <... mmap resumed>) = 0x20fff000 [pid 5825] <... write resumed>) = 4 [pid 4997] <... mkdir resumed>) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5829 [pid 5827] write(3, "1000", 4 [pid 5826] exit_group(0 [pid 5827] <... write resumed>) = 4 [pid 5826] <... exit_group resumed>) = ? [pid 5825] close(3 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] <... chdir resumed>) = 0 [pid 5827] close(3 [pid 5826] +++ exited with 0 +++ ./strace-static-x86_64: Process 5829 attached [pid 5827] <... close resumed>) = 0 [pid 5829] chdir("./128" [pid 5827] symlink("/dev/binderfs", "./binderfs" [pid 5829] <... chdir resumed>) = 0 [pid 5827] <... symlink resumed>) = 0 [pid 5825] <... close resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5826, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5829] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5827] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5825] symlink("/dev/binderfs", "./binderfs" [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5830 [pid 5829] <... prctl resumed>) = 0 [pid 5827] <... openat resumed>) = 3 [pid 5829] setpgid(0, 0 [pid 5827] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5829] <... setpgid resumed>) = 0 [pid 5828] <... prctl resumed>) = 0 [pid 5827] <... mmap resumed>) = 0x20fff000 [pid 5825] <... symlink resumed>) = 0 [pid 5001] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5828] setpgid(0, 0 [pid 5827] exit_group(0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5830 attached [pid 5829] <... openat resumed>) = 3 [pid 5828] <... setpgid resumed>) = 0 [pid 5827] <... exit_group resumed>) = ? [pid 5825] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5830] chdir("./136" [pid 5829] write(3, "1000", 4 [pid 5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5827] +++ exited with 0 +++ [pid 5001] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... chdir resumed>) = 0 [pid 5829] <... write resumed>) = 4 [pid 5825] <... openat resumed>) = 3 [pid 5001] <... openat resumed>) = 3 [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] close(3 [pid 5825] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] fstat(3, [pid 5830] <... prctl resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5828] <... openat resumed>) = 3 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5827, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] setpgid(0, 0 [pid 5829] symlink("/dev/binderfs", "./binderfs" [pid 5001] getdents64(3, [pid 5830] <... setpgid resumed>) = 0 [pid 5829] <... symlink resumed>) = 0 [pid 5828] write(3, "1000", 4 [pid 5825] <... mmap resumed>) = 0x20fff000 [pid 4998] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5828] <... write resumed>) = 4 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = 3 [pid 5828] close(3 [pid 5825] exit_group(0 [pid 5001] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] write(3, "1000", 4 [pid 5829] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... write resumed>) = 4 [pid 5829] <... mmap resumed>) = 0x20fff000 [pid 5828] <... close resumed>) = 0 [pid 5825] <... exit_group resumed>) = ? [pid 5001] lstat("./138/binderfs", [pid 4998] <... openat resumed>) = 3 [pid 5830] close(3 [pid 5829] exit_group(0 [pid 5828] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] fstat(3, [pid 5830] <... close resumed>) = 0 [pid 5829] <... exit_group resumed>) = ? [pid 5001] unlink("./138/binderfs" [pid 5830] symlink("/dev/binderfs", "./binderfs" [pid 5829] +++ exited with 0 +++ [pid 5825] +++ exited with 0 +++ [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5830] <... symlink resumed>) = 0 [pid 5828] <... symlink resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5825, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] <... unlink resumed>) = 0 [pid 4998] getdents64(3, [pid 5830] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] getdents64(3, [pid 5830] <... openat resumed>) = 3 [pid 5828] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5829, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5828] <... openat resumed>) = 3 [pid 5002] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] close(3 [pid 4998] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... close resumed>) = 0 [pid 5830] <... mmap resumed>) = 0x20fff000 [pid 5828] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] rmdir("./138" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... restart_syscall resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5830] exit_group(0) = ? [pid 5830] +++ exited with 0 +++ [pid 5828] <... mmap resumed>) = 0x20fff000 [pid 5002] fstat(3, [pid 5001] <... rmdir resumed>) = 0 [pid 4998] lstat("./138/binderfs", [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] mkdir("./139", 0777 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] getdents64(3, [pid 4998] unlink("./138/binderfs" [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5830, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5828] exit_group(0 [pid 5001] <... mkdir resumed>) = 0 [pid 5828] <... exit_group resumed>) = ? [pid 5828] +++ exited with 0 +++ [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... unlink resumed>) = 0 [pid 4997] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] getdents64(3, 0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5828, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] rmdir("./138" [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5831 attached [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5831 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4998] <... rmdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] lstat("./143/binderfs", [pid 4998] mkdir("./139", 0777 [pid 5831] chdir("./139" [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... openat resumed>) = 3 [pid 5831] <... chdir resumed>) = 0 [pid 5002] unlink("./143/binderfs" [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5832 attached [pid 5831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] <... unlink resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 4996] fstat(3, [pid 5831] <... prctl resumed>) = 0 [pid 5002] getdents64(3, [pid 5000] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5832 [pid 4997] fstat(3, [pid 5831] setpgid(0, 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5831] <... setpgid resumed>) = 0 [pid 5002] close(3 [pid 5000] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... close resumed>) = 0 [pid 4996] getdents64(3, [pid 5000] <... openat resumed>) = 3 [pid 5832] chdir("./139" [pid 5002] rmdir("./143" [pid 5000] fstat(3, [pid 4997] getdents64(3, [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... chdir resumed>) = 0 [pid 5832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5832] setpgid(0, 0 [pid 5002] mkdir("./144", 0777 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5832] <... setpgid resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] write(3, "1000", 4 [pid 5002] <... mkdir resumed>) = 0 [pid 5000] getdents64(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] lstat("./128/binderfs", [pid 5832] <... openat resumed>) = 3 [pid 5831] <... write resumed>) = 4 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] lstat("./136/binderfs", [pid 5832] write(3, "1000", 4 [pid 5000] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5832] <... write resumed>) = 4 [pid 5832] close(3) = 0 [pid 5832] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5831] close(3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] unlink("./128/binderfs" [pid 5832] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5831] <... close resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5833 [pid 5000] lstat("./140/binderfs", [pid 5832] <... openat resumed>) = 3 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./136/binderfs" [pid 4996] <... unlink resumed>) = 0 [pid 5832] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5831] symlink("/dev/binderfs", "./binderfs" [pid 5000] unlink("./140/binderfs" [pid 5832] <... mmap resumed>) = 0x20fff000 [pid 5831] <... symlink resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 4996] getdents64(3, [pid 5832] exit_group(0 [pid 5831] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] getdents64(3, [pid 4997] getdents64(3, [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] close(3 [pid 5831] <... openat resumed>) = 3 [pid 5000] close(3 [pid 4997] close(3 [pid 5831] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4996] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 4996] rmdir("./128" [pid 4997] rmdir("./136"./strace-static-x86_64: Process 5833 attached [pid 5832] <... exit_group resumed>) = ? [pid 5833] chdir("./144" [pid 5832] +++ exited with 0 +++ [pid 5831] <... mmap resumed>) = 0x20fff000 [pid 5000] rmdir("./140" [pid 4997] <... rmdir resumed>) = 0 [pid 4996] <... rmdir resumed>) = 0 [pid 5833] <... chdir resumed>) = 0 [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5832, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... rmdir resumed>) = 0 [pid 5833] <... prctl resumed>) = 0 [pid 4998] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] mkdir("./137", 0777 [pid 4996] mkdir("./129", 0777 [pid 5831] exit_group(0 [pid 5833] setpgid(0, 0 [pid 5000] mkdir("./141", 0777 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... setpgid resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... openat resumed>) = 3 [pid 4997] <... mkdir resumed>) = 0 [pid 4996] <... mkdir resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5831] <... exit_group resumed>) = ? [pid 5000] <... mkdir resumed>) = 0 [pid 4998] fstat(3, [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] write(3, "1000", 4 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5833] <... write resumed>) = 4 [pid 4998] getdents64(3, [pid 5833] close(3 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5833] <... close resumed>) = 0 [pid 4998] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5833] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... symlink resumed>) = 0 [pid 4998] lstat("./139/binderfs", [pid 5833] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5833] <... openat resumed>) = 3 [pid 4998] unlink("./139/binderfs" [pid 5833] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] <... unlink resumed>) = 0 [pid 5833] <... mmap resumed>) = 0x20fff000 [pid 4998] getdents64(3, [pid 5833] exit_group(0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5833] <... exit_group resumed>) = ? [pid 4998] close(3 [pid 5833] +++ exited with 0 +++ [pid 5831] +++ exited with 0 +++ [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5836 [pid 4998] <... close resumed>) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5834 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5835 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5833, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5831, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] rmdir("./139" [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 4998] <... rmdir resumed>) = 0 [pid 4998] mkdir("./140", 0777./strace-static-x86_64: Process 5835 attached ./strace-static-x86_64: Process 5834 attached [pid 5001] <... restart_syscall resumed>) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 5834] chdir("./137" [pid 5002] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5837 attached [pid 5835] chdir("./129" [pid 5834] <... chdir resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5836 attached [pid 5834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5837 [pid 5836] chdir("./141" [pid 5834] <... prctl resumed>) = 0 [pid 5002] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5836] <... chdir resumed>) = 0 [pid 5834] setpgid(0, 0 [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] <... setpgid resumed>) = 0 [pid 5836] <... prctl resumed>) = 0 [pid 5835] <... chdir resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... openat resumed>) = 3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] fstat(3, [pid 5001] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] setpgid(0, 0 [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] <... openat resumed>) = 3 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5836] <... setpgid resumed>) = 0 [pid 5834] write(3, "1000", 4 [pid 5002] getdents64(3, [pid 5001] <... openat resumed>) = 3 [pid 5837] chdir("./140" [pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] <... prctl resumed>) = 0 [pid 5834] <... write resumed>) = 4 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] fstat(3, [pid 5836] <... openat resumed>) = 3 [pid 5834] close(3 [pid 5836] write(3, "1000", 4 [pid 5834] <... close resumed>) = 0 [pid 5002] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5836] <... write resumed>) = 4 [pid 5834] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... chdir resumed>) = 0 [pid 5836] close(3 [pid 5835] setpgid(0, 0 [pid 5834] <... symlink resumed>) = 0 [pid 5001] getdents64(3, [pid 5002] lstat("./144/binderfs", [pid 5836] <... close resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5836] symlink("/dev/binderfs", "./binderfs" [pid 5835] <... setpgid resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5836] <... symlink resumed>) = 0 [pid 5834] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] unlink("./144/binderfs" [pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5834] <... mmap resumed>) = 0x20fff000 [pid 5001] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5836] <... openat resumed>) = 3 [pid 5834] exit_group(0 [pid 5002] <... unlink resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5835] <... openat resumed>) = 3 [pid 5834] <... exit_group resumed>) = ? [pid 5002] getdents64(3, [pid 5001] lstat("./139/binderfs", [pid 5837] <... prctl resumed>) = 0 [pid 5836] <... mmap resumed>) = 0x20fff000 [pid 5835] write(3, "1000", 4 [pid 5834] +++ exited with 0 +++ [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5837] setpgid(0, 0 [pid 5836] exit_group(0 [pid 5835] <... write resumed>) = 4 [pid 5002] close(3 [pid 5001] unlink("./139/binderfs" [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5834, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5837] <... setpgid resumed>) = 0 [pid 5836] <... exit_group resumed>) = ? [pid 5835] close(3 [pid 5002] <... close resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] +++ exited with 0 +++ [pid 5835] <... close resumed>) = 0 [pid 5002] rmdir("./144" [pid 5001] getdents64(3, [pid 5835] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./139" [pid 5002] <... rmdir resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5836, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5835] <... symlink resumed>) = 0 [pid 5002] mkdir("./145", 0777 [pid 5001] mkdir("./140", 0777 [pid 5835] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... mkdir resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] <... openat resumed>) = 3 [pid 5835] <... openat resumed>) = 3 [pid 5835] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5838 ./strace-static-x86_64: Process 5838 attached [pid 5838] chdir("./140" [pid 5000] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5838] <... chdir resumed>) = 0 [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5838] setpgid(0, 0) = 0 [pid 5835] <... mmap resumed>) = 0x20fff000 [pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5838] <... openat resumed>) = 3 [pid 5837] write(3, "1000", 4 [pid 5835] exit_group(0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5839 [pid 5000] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5838] write(3, "1000", 4) = 4 [pid 5000] <... openat resumed>) = 3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... exit_group resumed>) = ? [pid 5000] fstat(3, [pid 4997] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] close(3 [pid 5837] <... write resumed>) = 4 [pid 5838] <... close resumed>) = 0 ./strace-static-x86_64: Process 5839 attached [pid 5838] symlink("/dev/binderfs", "./binderfs" [pid 5839] chdir("./145" [pid 5838] <... symlink resumed>) = 0 [pid 5839] <... chdir resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5839] setpgid(0, 0 [pid 5835] +++ exited with 0 +++ [pid 4997] <... openat resumed>) = 3 [pid 5837] close(3 [pid 5000] getdents64(3, [pid 4997] fstat(3, [pid 5839] <... setpgid resumed>) = 0 [pid 5838] <... openat resumed>) = 3 [pid 5837] <... close resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5835, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5000] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5838] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5837] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] getdents64(3, [pid 5839] <... openat resumed>) = 3 [pid 5838] <... mmap resumed>) = 0x20fff000 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5839] write(3, "1000", 4 [pid 5838] exit_group(0 [pid 5837] <... symlink resumed>) = 0 [pid 5000] lstat("./141/binderfs", [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5839] <... write resumed>) = 4 [pid 5838] <... exit_group resumed>) = ? [pid 5837] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4997] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5839] close(3 [pid 5838] +++ exited with 0 +++ [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... openat resumed>) = 3 [pid 5839] <... close resumed>) = 0 [pid 5837] <... openat resumed>) = 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] unlink("./141/binderfs" [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] fstat(3, [pid 5839] symlink("/dev/binderfs", "./binderfs" [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5839] <... symlink resumed>) = 0 [pid 5837] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 4997] lstat("./137/binderfs", [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5839] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5000] getdents64(3, [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] getdents64(3, [pid 5839] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] unlink("./137/binderfs" [pid 5839] <... mmap resumed>) = 0x20fff000 [pid 5837] <... mmap resumed>) = 0x20fff000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5839] exit_group(0 [pid 5837] exit_group(0 [pid 5001] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] close(3 [pid 4997] <... unlink resumed>) = 0 [pid 4996] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5839] <... exit_group resumed>) = ? [pid 5001] <... openat resumed>) = 3 [pid 5839] +++ exited with 0 +++ [pid 5837] <... exit_group resumed>) = ? [pid 5001] fstat(3, [pid 5000] <... close resumed>) = 0 [pid 4997] getdents64(3, [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] rmdir("./141" [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5839, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] getdents64(3, [pid 4996] lstat("./129/binderfs", [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] <... rmdir resumed>) = 0 [pid 4997] close(3 [pid 5001] lstat("./140/binderfs", [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] mkdir("./142", 0777 [pid 4997] <... close resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] unlink("./140/binderfs" [pid 4996] unlink("./129/binderfs" [pid 5001] <... unlink resumed>) = 0 [pid 5002] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] getdents64(3, [pid 5000] <... mkdir resumed>) = 0 [pid 4997] rmdir("./137" [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... unlink resumed>) = 0 [pid 5001] close(3) = 0 [pid 5001] rmdir("./140" [pid 5002] <... openat resumed>) = 3 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... rmdir resumed>) = 0 [pid 4996] getdents64(3, [pid 5002] fstat(3, [pid 5001] mkdir("./141", 0777) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5841 attached [pid 5837] +++ exited with 0 +++ [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] mkdir("./138", 0777 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] getdents64(3, [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5841 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5840 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5837, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] <... mkdir resumed>) = 0 [pid 4996] close(3 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... close resumed>) = 0 [pid 4996] rmdir("./129" [pid 5002] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5840 attached [pid 5840] chdir("./142" [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... rmdir resumed>) = 0 [pid 5840] <... chdir resumed>) = 0 [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5840] setpgid(0, 0 [pid 5002] lstat("./145/binderfs", [pid 4996] mkdir("./130", 0777 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5840] <... setpgid resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] unlink("./145/binderfs" [pid 4996] <... mkdir resumed>) = 0 [pid 4998] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5840] <... openat resumed>) = 3 [pid 5002] <... unlink resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5842 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] getdents64(3, [pid 5840] write(3, "1000", 4 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... write resumed>) = 4 [pid 5840] close(3) = 0 [pid 5840] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5002] close(3 [pid 4998] <... openat resumed>) = 3 [pid 5840] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... close resumed>) = 0 [pid 4998] fstat(3, [pid 5840] <... openat resumed>) = 3 [pid 5002] rmdir("./145" [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5843 ./strace-static-x86_64: Process 5842 attached [pid 5840] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] <... rmdir resumed>) = 0 [pid 4998] getdents64(3, ./strace-static-x86_64: Process 5843 attached [pid 5842] chdir("./138" [pid 5841] chdir("./141" [pid 5840] <... mmap resumed>) = 0x20fff000 [pid 5002] mkdir("./146", 0777 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5842] <... chdir resumed>) = 0 [pid 5840] exit_group(0 [pid 4998] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... exit_group resumed>) = ? [pid 5002] <... mkdir resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] chdir("./130" [pid 5842] <... prctl resumed>) = 0 [pid 5841] <... chdir resumed>) = 0 [pid 5840] +++ exited with 0 +++ [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] lstat("./140/binderfs", [pid 5842] setpgid(0, 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5842] <... setpgid resumed>) = 0 [pid 4998] unlink("./140/binderfs" [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... unlink resumed>) = 0 [pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] <... chdir resumed>) = 0 [pid 5842] <... openat resumed>) = 3 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5844 [pid 4998] getdents64(3, [pid 5842] write(3, "1000", 4 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5842] <... write resumed>) = 4 [pid 4998] close(3 [pid 5842] close(3 [pid 4998] <... close resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 4998] rmdir("./140" [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] symlink("/dev/binderfs", "./binderfs" [pid 5841] <... prctl resumed>) = 0 [pid 5000] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5844 attached [pid 5843] <... prctl resumed>) = 0 [pid 5842] <... symlink resumed>) = 0 [pid 5841] setpgid(0, 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] mkdir("./141", 0777 [pid 5844] chdir("./146" [pid 5843] setpgid(0, 0 [pid 5842] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5841] <... setpgid resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... mkdir resumed>) = 0 [pid 5844] <... chdir resumed>) = 0 [pid 5843] <... setpgid resumed>) = 0 [pid 5842] <... openat resumed>) = 3 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... openat resumed>) = 3 [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5845 attached [pid 5844] <... prctl resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5842] <... mmap resumed>) = 0x20fff000 [pid 5000] fstat(3, [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5845 [pid 5844] setpgid(0, 0 [pid 5842] exit_group(0 [pid 5844] <... setpgid resumed>) = 0 [pid 5842] <... exit_group resumed>) = ? [pid 5845] chdir("./141" [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] write(3, "1000", 4 [pid 5842] +++ exited with 0 +++ [pid 5841] <... openat resumed>) = 3 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5841] write(3, "1000", 4 [pid 5000] getdents64(3, [pid 5841] <... write resumed>) = 4 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5841] close(3 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 5000] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5844] write(3, "1000", 4) = 4 [pid 5844] close(3) = 0 [pid 5844] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5843] <... write resumed>) = 4 [pid 5841] <... close resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... restart_syscall resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5843] close(3 [pid 5841] symlink("/dev/binderfs", "./binderfs" [pid 5000] lstat("./142/binderfs", [pid 5845] <... chdir resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5844] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5841] <... symlink resumed>) = 0 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] <... mmap resumed>) = 0x20fff000 [pid 5843] <... close resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5844] exit_group(0 [pid 5843] symlink("/dev/binderfs", "./binderfs" [pid 5841] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] unlink("./142/binderfs" [pid 4997] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5844] <... exit_group resumed>) = ? [pid 5845] <... prctl resumed>) = 0 [pid 5844] +++ exited with 0 +++ [pid 5843] <... symlink resumed>) = 0 [pid 5841] <... openat resumed>) = 3 [pid 5000] <... unlink resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5841] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4997] <... openat resumed>) = 3 [pid 5000] getdents64(3, [pid 4997] fstat(3, [pid 5845] setpgid(0, 0) = 0 [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5841] <... mmap resumed>) = 0x20fff000 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5845] <... openat resumed>) = 3 [pid 5841] exit_group(0 [pid 5000] close(3 [pid 4997] getdents64(3, [pid 5843] <... openat resumed>) = 3 [pid 5841] <... exit_group resumed>) = ? [pid 5000] <... close resumed>) = 0 [pid 5845] write(3, "1000", 4 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5845] <... write resumed>) = 4 [pid 5000] rmdir("./142" [pid 5002] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5845] close(3) = 0 [pid 5845] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... rmdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5845] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5845] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5843] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5841] +++ exited with 0 +++ [pid 5002] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] mkdir("./143", 0777 [pid 4997] lstat("./138/binderfs", [pid 5002] <... openat resumed>) = 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] fstat(3, [pid 4997] unlink("./138/binderfs" [pid 5845] exit_group(0) = ? [pid 5845] +++ exited with 0 +++ [pid 5843] <... mmap resumed>) = 0x20fff000 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 5002] getdents64(3, [pid 5001] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5845, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 4997] getdents64(3, [pid 5002] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5002] lstat("./146/binderfs", [pid 5001] fstat(3, [pid 4997] close(3 [pid 5843] exit_group(0) = ? [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... restart_syscall resumed>) = 0 [pid 4997] <... close resumed>) = 0 ./strace-static-x86_64: Process 5846 attached [pid 5843] +++ exited with 0 +++ [pid 5002] unlink("./146/binderfs" [pid 5001] getdents64(3, [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5846 [pid 4997] rmdir("./138" [pid 5846] chdir("./143" [pid 5002] <... unlink resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] getdents64(3, [pid 4998] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5846] <... chdir resumed>) = 0 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5846] setpgid(0, 0) = 0 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5846] write(3, "1000", 4) = 4 [pid 4997] <... rmdir resumed>) = 0 [pid 4996] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] lstat("./141/binderfs", [pid 4998] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] mkdir("./139", 0777 [pid 5002] close(3 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... openat resumed>) = 3 [pid 5002] <... close resumed>) = 0 [pid 4996] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] unlink("./141/binderfs" [pid 5846] close(3) = 0 [pid 5846] symlink("/dev/binderfs", "./binderfs" [pid 4997] <... mkdir resumed>) = 0 [pid 5846] <... symlink resumed>) = 0 [pid 5002] rmdir("./146" [pid 5001] <... unlink resumed>) = 0 [pid 4998] fstat(3, [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... openat resumed>) = 3 [pid 5846] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5002] <... rmdir resumed>) = 0 [pid 5001] getdents64(3, [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] fstat(3, [pid 5846] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] getdents64(3, [pid 5002] mkdir("./147", 0777 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5846] <... mmap resumed>) = 0x20fff000 [pid 5002] <... mkdir resumed>) = 0 [pid 5001] close(3 [pid 4998] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] getdents64(3, [pid 5001] <... close resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5846] exit_group(0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] rmdir("./141" [pid 4998] lstat("./141/binderfs", [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5846] <... exit_group resumed>) = ? [pid 5846] +++ exited with 0 +++ [pid 5001] <... rmdir resumed>) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5847 [pid 4996] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] mkdir("./142", 0777 [pid 4998] unlink("./141/binderfs" [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5847 attached [pid 5001] <... mkdir resumed>) = 0 [pid 4996] lstat("./130/binderfs", [pid 5847] chdir("./139") = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] getdents64(3, [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5848 [pid 4996] unlink("./130/binderfs" [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5847] setpgid(0, 0) = 0 [pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4996] <... unlink resumed>) = 0 [pid 5000] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5849 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] close(3 [pid 4996] getdents64(3, [pid 5000] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... close resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] <... openat resumed>) = 3 [pid 4998] rmdir("./141" [pid 4996] close(3 [pid 5000] fstat(3, [pid 5847] write(3, "1000", 4) = 4 [pid 5847] close(3) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 4996] <... close resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] mkdir("./142", 0777 [pid 4996] rmdir("./130" [pid 5000] getdents64(3, [pid 5847] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... rmdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] mkdir("./131", 0777 [pid 5847] <... openat resumed>) = 3 [pid 5847] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5850 [pid 4996] <... mkdir resumed>) = 0 [pid 5000] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5847] exit_group(0) = ? [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5851 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./143/binderfs", ./strace-static-x86_64: Process 5848 attached {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5848] chdir("./147") = 0 [pid 5000] unlink("./143/binderfs" [pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5848] setpgid(0, 0 [pid 5000] <... unlink resumed>) = 0 [pid 5000] getdents64(3, 0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] close(3 [pid 5848] <... setpgid resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] rmdir("./143" [pid 5848] <... openat resumed>) = 3 [pid 5847] +++ exited with 0 +++ [pid 5848] write(3, "1000", 4) = 4 [pid 5000] <... rmdir resumed>) = 0 [pid 5000] mkdir("./144", 0777 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5847, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5848] close(3) = 0 [pid 5848] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... mkdir resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5848] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5850 attached [pid 5850] chdir("./142" [pid 5848] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4997] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5850] <... chdir resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5852 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5851 attached [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5848] <... openat resumed>) = 3 [pid 4997] <... openat resumed>) = 3 [pid 4997] fstat(3, [pid 5851] chdir("./131" [pid 5850] <... prctl resumed>) = 0 [pid 5848] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5849 attached [pid 5851] <... chdir resumed>) = 0 [pid 5850] setpgid(0, 0 [pid 5848] <... mmap resumed>) = 0x20fff000 [pid 4997] getdents64(3, [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5850] <... setpgid resumed>) = 0 [pid 5848] exit_group(0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./139/binderfs", [pid 5851] <... prctl resumed>) = 0 [pid 5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5848] <... exit_group resumed>) = ? [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5852 attached [pid 5851] setpgid(0, 0 [pid 5850] <... openat resumed>) = 3 [pid 5849] chdir("./142" [pid 5848] +++ exited with 0 +++ [pid 4997] unlink("./139/binderfs" [pid 5852] chdir("./144" [pid 5851] <... setpgid resumed>) = 0 [pid 5850] write(3, "1000", 4 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5848, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5852] <... chdir resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5850] <... write resumed>) = 4 [pid 5849] <... chdir resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5851] <... openat resumed>) = 3 [pid 5850] close(3 [pid 5852] <... prctl resumed>) = 0 [pid 5851] write(3, "1000", 4 [pid 5850] <... close resumed>) = 0 [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] getdents64(3, [pid 5852] setpgid(0, 0 [pid 5851] <... write resumed>) = 4 [pid 5850] symlink("/dev/binderfs", "./binderfs" [pid 5849] <... prctl resumed>) = 0 [pid 5002] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5852] <... setpgid resumed>) = 0 [pid 5851] close(3 [pid 5850] <... symlink resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] close(3 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5851] <... close resumed>) = 0 [pid 5850] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5849] setpgid(0, 0 [pid 5002] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... close resumed>) = 0 [pid 5852] <... openat resumed>) = 3 [pid 5851] symlink("/dev/binderfs", "./binderfs" [pid 5850] <... openat resumed>) = 3 [pid 5852] write(3, "1000", 4 [pid 5851] <... symlink resumed>) = 0 [pid 5850] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5849] <... setpgid resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 4997] rmdir("./139" [pid 5852] <... write resumed>) = 4 [pid 5851] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5850] <... mmap resumed>) = 0x20fff000 [pid 5002] fstat(3, [pid 5852] close(3 [pid 5851] <... openat resumed>) = 3 [pid 5850] exit_group(0 [pid 4997] <... rmdir resumed>) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5852] <... close resumed>) = 0 [pid 5851] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5850] <... exit_group resumed>) = ? [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] mkdir("./140", 0777 [pid 5852] symlink("/dev/binderfs", "./binderfs" [pid 5851] <... mmap resumed>) = 0x20fff000 [pid 5850] +++ exited with 0 +++ [pid 5002] getdents64(3, [pid 5852] <... symlink resumed>) = 0 [pid 5851] exit_group(0 [pid 5849] <... openat resumed>) = 3 [pid 4997] <... mkdir resumed>) = 0 [pid 5852] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5851] <... exit_group resumed>) = ? [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5852] <... openat resumed>) = 3 [pid 5851] +++ exited with 0 +++ [pid 5849] write(3, "1000", 4 [pid 5002] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5852] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5852] exit_group(0) = ? [pid 5852] +++ exited with 0 +++ [pid 5849] <... write resumed>) = 4 [pid 5002] lstat("./147/binderfs", [pid 4998] <... restart_syscall resumed>) = 0 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5851, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5849] close(3 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./147/binderfs" [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5849] <... close resumed>) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5853 ./strace-static-x86_64: Process 5853 attached [pid 5853] chdir("./140" [pid 5002] <... unlink resumed>) = 0 [pid 5849] symlink("/dev/binderfs", "./binderfs" [pid 5002] getdents64(3, 0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] close(3 [pid 4996] umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... close resumed>) = 0 [pid 5002] rmdir("./147" [pid 4998] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] <... chdir resumed>) = 0 [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5853] setpgid(0, 0 [pid 5002] <... rmdir resumed>) = 0 [pid 4996] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... openat resumed>) = 3 [pid 5853] <... setpgid resumed>) = 0 [pid 4996] <... openat resumed>) = 3 [pid 5002] mkdir("./148", 0777 [pid 4998] fstat(3, [pid 4996] fstat(3, [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] getdents64(3, [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... openat resumed>) = 3 [pid 4998] getdents64(3, [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5853] <... openat resumed>) = 3 [pid 5849] <... symlink resumed>) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5000] fstat(3, [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] getdents64(3, [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5849] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5853] write(3, "1000", 4) = 4 [pid 5853] close(3) = 0 [pid 5853] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4996] lstat("./131/binderfs", [pid 4998] lstat("./142/binderfs", [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5854 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] unlink("./142/binderfs" [pid 4996] unlink("./131/binderfs" [pid 5853] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5854 attached [pid 5000] lstat("./144/binderfs", [pid 4996] <... unlink resumed>) = 0 [pid 4998] getdents64(3, [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] getdents64(3, [pid 5000] unlink("./144/binderfs" [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5853] <... openat resumed>) = 3 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5853] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] <... unlink resumed>) = 0 [pid 5853] <... mmap resumed>) = 0x20fff000 [pid 5849] <... openat resumed>) = 3 [pid 5000] getdents64(3, [pid 4998] close(3 [pid 4996] close(3 [pid 5854] chdir("./148" [pid 5853] exit_group(0 [pid 5849] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5854] <... chdir resumed>) = 0 [pid 5853] <... exit_group resumed>) = ? [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... close resumed>) = 0 [pid 4996] <... close resumed>) = 0 [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5853] +++ exited with 0 +++ [pid 5849] <... mmap resumed>) = 0x20fff000 [pid 5000] close(3 [pid 4998] rmdir("./142" [pid 4996] rmdir("./131" [pid 5000] <... close resumed>) = 0 [pid 5854] <... prctl resumed>) = 0 [pid 5854] setpgid(0, 0) = 0 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... rmdir resumed>) = 0 [pid 5854] <... openat resumed>) = 3 [pid 4996] <... rmdir resumed>) = 0 [pid 5000] rmdir("./144" [pid 4998] mkdir("./143", 0777 [pid 4996] mkdir("./132", 0777 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5853, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5854] write(3, "1000", 4) = 4 [pid 5854] close(3 [pid 5000] <... rmdir resumed>) = 0 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 5854] <... close resumed>) = 0 [pid 5854] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4996] <... mkdir resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5000] mkdir("./145", 0777 [pid 4998] <... mkdir resumed>) = 0 [pid 4997] <... restart_syscall resumed>) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5849] exit_group(0 [pid 5854] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5000] <... mkdir resumed>) = 0 [pid 5854] exit_group(0) = ? [pid 5854] +++ exited with 0 +++ [pid 5849] <... exit_group resumed>) = ? [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5855 attached [pid 4997] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5855] chdir("./132") = 0 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5855] setpgid(0, 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5855] <... setpgid resumed>) = 0 [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5855] write(3, "1000", 4) = 4 [pid 4997] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5855] close(3 [pid 4997] <... openat resumed>) = 3 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] fstat(3, [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5856 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5855 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5857 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] getdents64(3, [pid 5855] <... close resumed>) = 0 [pid 5855] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5855] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5855] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5855] exit_group(0 [pid 5002] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5856 attached [pid 5002] <... openat resumed>) = 3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5856] chdir("./143" [pid 5002] fstat(3, [pid 4997] lstat("./140/binderfs", [pid 5855] <... exit_group resumed>) = ? [pid 5849] +++ exited with 0 +++ [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] getdents64(3, [pid 4997] unlink("./140/binderfs" [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5856] <... chdir resumed>) = 0 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 5001] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] getdents64(3, [pid 5002] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] close(3 [pid 5002] lstat("./148/binderfs", ./strace-static-x86_64: Process 5857 attached [pid 5856] setpgid(0, 0 [pid 5855] +++ exited with 0 +++ [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4997] <... close resumed>) = 0 [pid 5857] chdir("./145" [pid 5856] <... setpgid resumed>) = 0 [pid 5002] unlink("./148/binderfs" [pid 5001] fstat(3, [pid 4997] rmdir("./140" [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5857] <... chdir resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5856] <... openat resumed>) = 3 [pid 4997] <... rmdir resumed>) = 0 [pid 5002] <... unlink resumed>) = 0 [pid 5001] getdents64(3, [pid 4997] mkdir("./141", 0777 [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 5857] <... prctl resumed>) = 0 [pid 5856] write(3, "1000", 4 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5857] setpgid(0, 0 [pid 5856] <... write resumed>) = 4 [pid 5857] <... setpgid resumed>) = 0 [pid 5856] close(3 [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5856] <... close resumed>) = 0 [pid 5002] getdents64(3, [pid 5001] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... mkdir resumed>) = 0 [pid 4996] <... restart_syscall resumed>) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5856] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] close(3 [pid 5001] lstat("./142/binderfs", [pid 5857] write(3, "1000", 4 [pid 5856] <... symlink resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5857] <... write resumed>) = 4 [pid 5856] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5857] close(3 [pid 5856] <... openat resumed>) = 3 [pid 5002] <... close resumed>) = 0 [pid 5001] unlink("./142/binderfs" [pid 4996] umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5857] <... close resumed>) = 0 [pid 5856] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] rmdir("./148" [pid 5857] symlink("/dev/binderfs", "./binderfs" [pid 5856] <... mmap resumed>) = 0x20fff000 [pid 5001] <... unlink resumed>) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5858 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5857] <... symlink resumed>) = 0 [pid 5856] exit_group(0 [pid 5002] <... rmdir resumed>) = 0 [pid 5001] getdents64(3, [pid 4996] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5857] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5856] <... exit_group resumed>) = ? [pid 5002] mkdir("./149", 0777 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5857] <... openat resumed>) = 3 [pid 5856] +++ exited with 0 +++ [pid 4996] <... openat resumed>) = 3 [pid 5857] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5002] <... mkdir resumed>) = 0 [pid 5001] close(3 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] fstat(3, [pid 5857] exit_group(0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... close resumed>) = 0 [pid 5857] <... exit_group resumed>) = ? [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5857] +++ exited with 0 +++ [pid 5001] rmdir("./142" [pid 4996] getdents64(3, [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5859 ./strace-static-x86_64: Process 5858 attached [pid 5858] chdir("./141" [pid 5001] <... rmdir resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5857, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5858] <... chdir resumed>) = 0 [pid 5001] mkdir("./143", 0777 [pid 5000] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5858] setpgid(0, 0) = 0 [pid 5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... mkdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... openat resumed>) = 3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] lstat("./132/binderfs", [pid 5858] <... openat resumed>) = 3 [pid 5858] write(3, "1000", 4) = 4 [pid 5858] close(3) = 0 [pid 5858] symlink("/dev/binderfs", "./binderfs" [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] fstat(3, [pid 4998] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] unlink("./132/binderfs" [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5860 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5859 attached [pid 5858] <... symlink resumed>) = 0 [pid 5000] getdents64(3, [pid 4998] fstat(3, [pid 4996] <... unlink resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] getdents64(3, [pid 5000] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] getdents64(3, [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5859] chdir("./149" [pid 5858] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] lstat("./145/binderfs", [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] close(3 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] unlink("./145/binderfs" [pid 4996] <... close resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5860 attached [pid 5859] <... chdir resumed>) = 0 [pid 5858] <... openat resumed>) = 3 [pid 5000] <... unlink resumed>) = 0 [pid 4998] lstat("./143/binderfs", [pid 4996] rmdir("./132" [pid 5860] chdir("./143" [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5858] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] getdents64(3, [pid 5860] <... chdir resumed>) = 0 [pid 5859] <... prctl resumed>) = 0 [pid 5858] <... mmap resumed>) = 0x20fff000 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... rmdir resumed>) = 0 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5859] setpgid(0, 0 [pid 5858] exit_group(0 [pid 5000] close(3 [pid 4998] unlink("./143/binderfs" [pid 4996] mkdir("./133", 0777 [pid 5860] <... prctl resumed>) = 0 [pid 5859] <... setpgid resumed>) = 0 [pid 5858] <... exit_group resumed>) = ? [pid 5860] setpgid(0, 0 [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] +++ exited with 0 +++ [pid 5000] <... close resumed>) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4996] <... mkdir resumed>) = 0 [pid 5860] <... setpgid resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5859] write(3, "1000", 4 [pid 5000] rmdir("./145" [pid 4998] getdents64(3, [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5858, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5860] <... openat resumed>) = 3 [pid 5859] <... write resumed>) = 4 [pid 5860] write(3, "1000", 4 [pid 5859] close(3 [pid 5860] <... write resumed>) = 4 [pid 5859] <... close resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 5860] close(3 [pid 5859] symlink("/dev/binderfs", "./binderfs" [pid 5860] <... close resumed>) = 0 [pid 5859] <... symlink resumed>) = 0 [pid 5860] symlink("/dev/binderfs", "./binderfs" [pid 5859] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5860] <... symlink resumed>) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5000] mkdir("./146", 0777 [pid 4998] close(3 [pid 4997] <... restart_syscall resumed>) = 0 [pid 5860] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5859] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5860] <... openat resumed>) = 3 [pid 5859] <... mmap resumed>) = 0x20fff000 [pid 5000] <... mkdir resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5861 [pid 5860] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5859] exit_group(0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] rmdir("./143" [pid 5860] <... mmap resumed>) = 0x20fff000 [pid 5859] <... exit_group resumed>) = ? [pid 5860] exit_group(0 [pid 5859] +++ exited with 0 +++ [pid 4998] <... rmdir resumed>) = 0 [pid 4997] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5862 [pid 4998] mkdir("./144", 0777 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5861 attached [pid 5860] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5862 attached [pid 5861] chdir("./133" [pid 5860] +++ exited with 0 +++ [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 4998] <... mkdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5860, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... restart_syscall resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 5861] <... chdir resumed>) = 0 [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5861] setpgid(0, 0) = 0 [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] fstat(3, [pid 5861] <... openat resumed>) = 3 [pid 5861] write(3, "1000", 4 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5863 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] getdents64(3, [pid 5002] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... openat resumed>) = 3 [pid 5861] <... write resumed>) = 4 [pid 5001] <... openat resumed>) = 3 [pid 4997] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] fstat(3, [pid 5001] fstat(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] lstat("./141/binderfs", [pid 5002] getdents64(3, [pid 5001] getdents64(3, [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] unlink("./141/binderfs" [pid 5001] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5863 attached [pid 5861] close(3 [pid 4997] <... unlink resumed>) = 0 [pid 5863] chdir("./144" [pid 5861] <... close resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... chdir resumed>) = 0 [pid 5861] symlink("/dev/binderfs", "./binderfs" [pid 5002] lstat("./149/binderfs", [pid 5001] lstat("./143/binderfs", [pid 4997] getdents64(3, [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5861] <... symlink resumed>) = 0 [pid 5863] <... prctl resumed>) = 0 [pid 5861] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5863] setpgid(0, 0 [pid 5861] <... openat resumed>) = 3 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] unlink("./149/binderfs" [pid 5863] <... setpgid resumed>) = 0 [pid 5861] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] unlink("./143/binderfs" [pid 4997] close(3 [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5862] chdir("./146" [pid 5861] <... mmap resumed>) = 0x20fff000 [pid 5002] <... unlink resumed>) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5862] <... chdir resumed>) = 0 [pid 5861] exit_group(0 [pid 5002] getdents64(3, [pid 5001] <... unlink resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 5863] write(3, "1000", 4 [pid 5861] <... exit_group resumed>) = ? [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] getdents64(3, [pid 4997] rmdir("./141" [pid 5863] <... write resumed>) = 4 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5861] +++ exited with 0 +++ [pid 5002] close(3 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] symlink("/dev/binderfs", "./binderfs" [pid 5001] close(3 [pid 4997] <... rmdir resumed>) = 0 [pid 5863] <... symlink resumed>) = 0 [pid 5862] <... prctl resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] mkdir("./142", 0777 [pid 5863] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] rmdir("./149" [pid 5001] rmdir("./143" [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 5863] <... openat resumed>) = 3 [pid 4997] <... mkdir resumed>) = 0 [pid 5863] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5002] <... rmdir resumed>) = 0 [pid 4996] <... restart_syscall resumed>) = 0 [pid 5863] exit_group(0 [pid 5002] mkdir("./150", 0777 [pid 5001] <... rmdir resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] <... exit_group resumed>) = ? [pid 5863] +++ exited with 0 +++ [pid 5002] <... mkdir resumed>) = 0 [pid 5001] mkdir("./144", 0777./strace-static-x86_64: Process 5864 attached [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5862] setpgid(0, 0) = 0 [pid 5864] chdir("./142" [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... mkdir resumed>) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5864 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] <... chdir resumed>) = 0 [pid 5862] <... openat resumed>) = 3 [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4996] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] <... prctl resumed>) = 0 [pid 5864] setpgid(0, 0 [pid 4996] <... openat resumed>) = 3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] fstat(3, [pid 5864] <... setpgid resumed>) = 0 [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5862] write(3, "1000", 4) = 4 [pid 5862] close(3) = 0 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5865 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5866 [pid 4996] getdents64(3, [pid 4998] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5862] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... openat resumed>) = 3 [pid 4998] fstat(3, [pid 4996] umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5864] <... openat resumed>) = 3 [pid 5862] <... symlink resumed>) = 0 [pid 4998] getdents64(3, [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] write(3, "1000", 4 [pid 5862] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] lstat("./133/binderfs", [pid 4998] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5864] <... write resumed>) = 4 [pid 5862] <... openat resumed>) = 3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5864] close(3 [pid 5862] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] lstat("./144/binderfs", [pid 4996] unlink("./133/binderfs" [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5866 attached ./strace-static-x86_64: Process 5865 attached [pid 5864] <... close resumed>) = 0 [pid 5862] <... mmap resumed>) = 0x20fff000 [pid 4998] unlink("./144/binderfs" [pid 4996] <... unlink resumed>) = 0 [pid 5865] chdir("./150" [pid 5864] symlink("/dev/binderfs", "./binderfs" [pid 5862] exit_group(0 [pid 4998] <... unlink resumed>) = 0 [pid 4996] getdents64(3, [pid 5865] <... chdir resumed>) = 0 [pid 5864] <... symlink resumed>) = 0 [pid 5862] <... exit_group resumed>) = ? [pid 4998] getdents64(3, [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] close(3 [pid 4998] close(3 [pid 4996] <... close resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 5866] chdir("./144" [pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5864] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5862] +++ exited with 0 +++ [pid 4998] rmdir("./144" [pid 4996] rmdir("./133" [pid 5866] <... chdir resumed>) = 0 [pid 5865] <... prctl resumed>) = 0 [pid 5864] <... openat resumed>) = 3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5865] setpgid(0, 0 [pid 5864] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5865] <... setpgid resumed>) = 0 [pid 5864] <... mmap resumed>) = 0x20fff000 [pid 4998] <... rmdir resumed>) = 0 [pid 4996] <... rmdir resumed>) = 0 [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] exit_group(0 [pid 5866] <... prctl resumed>) = 0 [pid 5865] <... openat resumed>) = 3 [pid 5864] <... exit_group resumed>) = ? [pid 4998] mkdir("./145", 0777 [pid 4996] mkdir("./134", 0777 [pid 5866] setpgid(0, 0 [pid 5865] write(3, "1000", 4 [pid 5864] +++ exited with 0 +++ [pid 5000] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5865] <... write resumed>) = 4 [pid 5865] close(3 [pid 4998] <... mkdir resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5000] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... mkdir resumed>) = 0 [pid 5865] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... openat resumed>) = 3 [pid 5865] <... openat resumed>) = 3 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5000] fstat(3, [pid 4997] <... restart_syscall resumed>) = 0 [pid 5865] exit_group(0) = ? [pid 5866] <... setpgid resumed>) = 0 [pid 5865] +++ exited with 0 +++ [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5867 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5865, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] getdents64(3, ./strace-static-x86_64: Process 5867 attached 0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5867] chdir("./145" [pid 5000] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5868 [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./146/binderfs", [pid 4997] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5868 attached [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... openat resumed>) = 3 [pid 5868] chdir("./134" [pid 5867] <... chdir resumed>) = 0 [pid 5866] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 5000] unlink("./146/binderfs" [pid 4997] fstat(3, [pid 5868] <... chdir resumed>) = 0 [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... prctl resumed>) = 0 [pid 5868] <... prctl resumed>) = 0 [pid 5867] setpgid(0, 0 [pid 5868] setpgid(0, 0 [pid 5867] <... setpgid resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5868] <... setpgid resumed>) = 0 [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] fstat(3, [pid 4997] getdents64(3, [pid 5866] write(3, "1000", 4 [pid 5000] <... unlink resumed>) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] getdents64(3, [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] close(3 [pid 5866] <... write resumed>) = 4 [pid 5002] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] close(3 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... close resumed>) = 0 [pid 5866] <... close resumed>) = 0 [pid 5002] lstat("./150/binderfs", [pid 5000] rmdir("./146" [pid 4997] lstat("./142/binderfs", [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./150/binderfs" [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] <... openat resumed>) = 3 [pid 5868] <... openat resumed>) = 3 [pid 5867] write(3, "1000", 4 [pid 5000] <... rmdir resumed>) = 0 [pid 4997] unlink("./142/binderfs" [pid 5868] write(3, "1000", 4 [pid 5867] <... write resumed>) = 4 [pid 5866] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... unlink resumed>) = 0 [pid 5000] mkdir("./147", 0777 [pid 5868] <... write resumed>) = 4 [pid 5867] close(3 [pid 5002] getdents64(3, [pid 4997] <... unlink resumed>) = 0 [pid 5868] close(3 [pid 5867] <... close resumed>) = 0 [pid 5868] <... close resumed>) = 0 [pid 5867] symlink("/dev/binderfs", "./binderfs" [pid 5868] symlink("/dev/binderfs", "./binderfs" [pid 5867] <... symlink resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 4997] getdents64(3, [pid 5866] <... symlink resumed>) = 0 [pid 5868] <... symlink resumed>) = 0 [pid 5867] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] close(3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5868] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5867] <... openat resumed>) = 3 [pid 5866] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... close resumed>) = 0 [pid 5868] <... openat resumed>) = 3 [pid 5867] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5868] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5867] <... mmap resumed>) = 0x20fff000 [pid 5866] <... openat resumed>) = 3 [pid 5002] rmdir("./150" [pid 4997] close(3 [pid 5868] <... mmap resumed>) = 0x20fff000 [pid 5867] exit_group(0 [pid 5866] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5868] exit_group(0 [pid 5867] <... exit_group resumed>) = ? [pid 5002] <... rmdir resumed>) = 0 [pid 5868] <... exit_group resumed>) = ? [pid 5867] +++ exited with 0 +++ [pid 5866] <... mmap resumed>) = 0x20fff000 [pid 5002] mkdir("./151", 0777 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5869 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5867, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] <... close resumed>) = 0 ./strace-static-x86_64: Process 5869 attached [pid 5868] +++ exited with 0 +++ [pid 5002] <... mkdir resumed>) = 0 [pid 4997] rmdir("./142" [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] exit_group(0 [pid 4997] <... rmdir resumed>) = 0 [pid 5866] <... exit_group resumed>) = ? [pid 5869] chdir("./147" [pid 5866] +++ exited with 0 +++ [pid 4997] mkdir("./143", 0777./strace-static-x86_64: Process 5870 attached ) = 0 [pid 4996] umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5869] <... chdir resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5870 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5866, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... restart_syscall resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5870] chdir("./151") = 0 [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5870] setpgid(0, 0) = 0 [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4996] <... openat resumed>) = 3 [pid 5001] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... openat resumed>) = 3 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5871 [pid 4996] fstat(3, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] fstat(3, [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] getdents64(3, [pid 5001] <... openat resumed>) = 3 [pid 5870] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 4998] getdents64(3, [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] getdents64(3, [pid 4998] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] lstat("./134/binderfs", [pid 5001] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./145/binderfs", [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] lstat("./144/binderfs", [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] unlink("./134/binderfs" [pid 5870] write(3, "1000", 4 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5870] <... write resumed>) = 4 [pid 5870] close(3 [pid 4998] unlink("./145/binderfs" [pid 4996] <... unlink resumed>) = 0 [pid 5001] unlink("./144/binderfs" [pid 5870] <... close resumed>) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 5870] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5001] <... unlink resumed>) = 0 [pid 4998] getdents64(3, [pid 4996] getdents64(3, [pid 5001] getdents64(3, [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] close(3 [pid 4996] close(3 [pid 5870] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] close(3 [pid 4998] <... close resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 4996] <... close resumed>) = 0 [pid 5001] rmdir("./144" [pid 4998] rmdir("./145" [pid 4996] rmdir("./134"./strace-static-x86_64: Process 5871 attached [pid 5870] <... openat resumed>) = 3 [pid 5001] <... rmdir resumed>) = 0 [pid 5871] chdir("./143" [pid 4996] <... rmdir resumed>) = 0 [pid 5871] <... chdir resumed>) = 0 [pid 5870] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5870] <... mmap resumed>) = 0x20fff000 [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] mkdir("./145", 0777 [pid 4998] <... rmdir resumed>) = 0 [pid 4996] mkdir("./135", 0777 [pid 5871] <... prctl resumed>) = 0 [pid 5870] exit_group(0 [pid 5871] setpgid(0, 0 [pid 5870] <... exit_group resumed>) = ? [pid 5871] <... setpgid resumed>) = 0 [pid 5870] +++ exited with 0 +++ [pid 5869] <... prctl resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 4998] mkdir("./146", 0777 [pid 4996] <... mkdir resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... mkdir resumed>) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5871] <... openat resumed>) = 3 [pid 5871] write(3, "1000", 4) = 4 [pid 5871] close(3) = 0 [pid 5871] symlink("/dev/binderfs", "./binderfs" [pid 5002] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5871] <... symlink resumed>) = 0 [pid 5871] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5872 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5873 [pid 5002] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5871] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5871] exit_group(0 [pid 5002] <... openat resumed>) = 3 [pid 5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5874 [pid 5002] getdents64(3, [pid 5871] <... exit_group resumed>) = ? [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5872 attached [pid 5871] +++ exited with 0 +++ [pid 5869] setpgid(0, 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./151/binderfs", [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5871, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./151/binderfs"./strace-static-x86_64: Process 5874 attached ./strace-static-x86_64: Process 5873 attached [pid 5872] chdir("./145" [pid 5874] chdir("./146" [pid 5873] chdir("./135" [pid 5872] <... chdir resumed>) = 0 [pid 5002] <... unlink resumed>) = 0 [pid 4997] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] getdents64(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5874] <... chdir resumed>) = 0 [pid 5873] <... chdir resumed>) = 0 [pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] <... prctl resumed>) = 0 [pid 5002] close(3 [pid 4997] <... openat resumed>) = 3 [pid 5874] <... prctl resumed>) = 0 [pid 5873] <... prctl resumed>) = 0 [pid 5872] setpgid(0, 0 [pid 5002] <... close resumed>) = 0 [pid 4997] fstat(3, [pid 5002] rmdir("./151" [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5874] setpgid(0, 0 [pid 5873] setpgid(0, 0 [pid 5872] <... setpgid resumed>) = 0 [pid 5874] <... setpgid resumed>) = 0 [pid 5873] <... setpgid resumed>) = 0 [pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... rmdir resumed>) = 0 [pid 4997] getdents64(3, [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5872] <... openat resumed>) = 3 [pid 5869] <... setpgid resumed>) = 0 [pid 5002] mkdir("./152", 0777 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5874] <... openat resumed>) = 3 [pid 5873] <... openat resumed>) = 3 [pid 5872] write(3, "1000", 4 [pid 5874] write(3, "1000", 4 [pid 5873] write(3, "1000", 4 [pid 5872] <... write resumed>) = 4 [pid 5874] <... write resumed>) = 4 [pid 5873] <... write resumed>) = 4 [pid 5872] close(3 [pid 5002] <... mkdir resumed>) = 0 [pid 4997] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5874] close(3 [pid 5873] close(3 [pid 5872] <... close resumed>) = 0 [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5874] <... close resumed>) = 0 [pid 5873] <... close resumed>) = 0 [pid 5872] symlink("/dev/binderfs", "./binderfs" [pid 5874] symlink("/dev/binderfs", "./binderfs" [pid 5873] symlink("/dev/binderfs", "./binderfs" [pid 5872] <... symlink resumed>) = 0 [pid 5874] <... symlink resumed>) = 0 [pid 5873] <... symlink resumed>) = 0 [pid 5872] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5869] <... openat resumed>) = 3 [pid 4997] lstat("./143/binderfs", [pid 5874] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5873] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5872] <... openat resumed>) = 3 [pid 5869] write(3, "1000", 4 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5875 [pid 5874] <... openat resumed>) = 3 [pid 5873] <... openat resumed>) = 3 [pid 5872] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5874] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5873] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5872] <... mmap resumed>) = 0x20fff000 [pid 5869] <... write resumed>) = 4 [pid 4997] unlink("./143/binderfs" [pid 5874] <... mmap resumed>) = 0x20fff000 [pid 5873] <... mmap resumed>) = 0x20fff000 [pid 5872] exit_group(0 [pid 5869] close(3 [pid 5874] exit_group(0 [pid 5873] exit_group(0 [pid 5872] <... exit_group resumed>) = ? [pid 4997] <... unlink resumed>) = 0 [pid 5874] <... exit_group resumed>) = ? [pid 5873] <... exit_group resumed>) = ? [pid 5872] +++ exited with 0 +++ [pid 5869] <... close resumed>) = 0 [pid 4997] getdents64(3, [pid 5874] +++ exited with 0 +++ [pid 5873] +++ exited with 0 +++ [pid 5869] symlink("/dev/binderfs", "./binderfs" [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5875 attached [pid 5875] chdir("./152") = 0 [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5875] setpgid(0, 0) = 0 [pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5875] write(3, "1000", 4) = 4 [pid 5875] close(3 [pid 5001] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5869] <... symlink resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] close(3 [pid 4996] umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... close resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... openat resumed>) = 3 [pid 4998] <... openat resumed>) = 3 [pid 4996] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] fstat(3, [pid 4998] fstat(3, [pid 4997] rmdir("./143" [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... openat resumed>) = 3 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5875] <... close resumed>) = 0 [pid 5875] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4998] getdents64(3, [pid 4997] <... rmdir resumed>) = 0 [pid 4996] fstat(3, [pid 5001] getdents64(3, [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] getdents64(3, [pid 5001] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] mkdir("./144", 0777 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5875] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5869] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] lstat("./145/binderfs", [pid 4998] lstat("./146/binderfs", [pid 4997] <... mkdir resumed>) = 0 [pid 4996] umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5875] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] lstat("./135/binderfs", [pid 5875] <... mmap resumed>) = 0x20fff000 [pid 5869] <... openat resumed>) = 3 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5875] exit_group(0 [pid 5001] unlink("./145/binderfs" [pid 5869] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] unlink("./146/binderfs" [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5875] <... exit_group resumed>) = ? [pid 5875] +++ exited with 0 +++ [pid 5001] <... unlink resumed>) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4996] unlink("./135/binderfs" [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] getdents64(3, [pid 4998] getdents64(3, [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5876 [pid 4996] <... unlink resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5876 attached [pid 4996] getdents64(3, [pid 5001] close(3 [pid 5002] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... close resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] close(3 [pid 5002] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] rmdir("./145" [pid 4996] close(3 [pid 4998] <... close resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 4996] <... close resumed>) = 0 [pid 5876] chdir("./144") = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5002] fstat(3, [pid 4996] rmdir("./135" [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] rmdir("./146" [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5876] setpgid(0, 0) = 0 [pid 4996] <... rmdir resumed>) = 0 [pid 5002] getdents64(3, [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... rmdir resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] mkdir("./136", 0777 [pid 5002] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] mkdir("./146", 0777 [pid 4998] mkdir("./147", 0777 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5876] <... openat resumed>) = 3 [pid 4996] <... mkdir resumed>) = 0 [pid 5002] lstat("./152/binderfs", [pid 5876] write(3, "1000", 4) = 4 [pid 5876] close(3) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5876] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 5002] unlink("./152/binderfs" [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5876] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... unlink resumed>) = 0 [pid 5876] <... openat resumed>) = 3 [pid 5876] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5002] getdents64(3, [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5876] exit_group(0) = ? [pid 5876] +++ exited with 0 +++ [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] close(3 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5877 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5878 ./strace-static-x86_64: Process 5877 attached [pid 5869] <... mmap resumed>) = 0x20fff000 [pid 5877] chdir("./136" [pid 5002] <... close resumed>) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5879 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5869] exit_group(0 [pid 5002] rmdir("./152" [pid 5869] <... exit_group resumed>) = ? [pid 5877] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5878 attached [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5002] mkdir("./153", 0777 [pid 5878] chdir("./146" [pid 5877] setpgid(0, 0) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 4997] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5878] <... chdir resumed>) = 0 [pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5878] setpgid(0, 0 [pid 5877] <... openat resumed>) = 3 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5878] <... setpgid resumed>) = 0 [pid 5877] write(3, "1000", 4./strace-static-x86_64: Process 5879 attached [pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5877] <... write resumed>) = 4 [pid 5879] chdir("./147" [pid 5878] <... openat resumed>) = 3 [pid 5877] close(3 [pid 5869] +++ exited with 0 +++ [pid 4997] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5880 [pid 5879] <... chdir resumed>) = 0 [pid 5878] write(3, "1000", 4 [pid 5877] <... close resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] fstat(3, [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] getdents64(3, [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5878] <... write resumed>) = 4 [pid 5877] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... openat resumed>) = 3 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] fstat(3, ./strace-static-x86_64: Process 5880 attached [pid 5879] <... prctl resumed>) = 0 [pid 5878] close(3 [pid 5877] <... symlink resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5880] chdir("./153" [pid 5879] setpgid(0, 0 [pid 5878] <... close resumed>) = 0 [pid 5877] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] getdents64(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] lstat("./144/binderfs", [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./147/binderfs", [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5880] <... chdir resumed>) = 0 [pid 5879] <... setpgid resumed>) = 0 [pid 5878] symlink("/dev/binderfs", "./binderfs" [pid 5877] <... openat resumed>) = 3 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./144/binderfs" [pid 5880] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5878] <... symlink resumed>) = 0 [pid 5877] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] unlink("./147/binderfs" [pid 5880] <... prctl resumed>) = 0 [pid 5879] <... openat resumed>) = 3 [pid 5878] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5877] <... mmap resumed>) = 0x20fff000 [pid 4997] <... unlink resumed>) = 0 [pid 5880] setpgid(0, 0 [pid 5879] write(3, "1000", 4 [pid 5878] <... openat resumed>) = 3 [pid 5877] exit_group(0 [pid 5000] <... unlink resumed>) = 0 [pid 4997] getdents64(3, [pid 5880] <... setpgid resumed>) = 0 [pid 5879] <... write resumed>) = 4 [pid 5878] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5877] <... exit_group resumed>) = ? [pid 5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5879] close(3 [pid 5878] <... mmap resumed>) = 0x20fff000 [pid 5877] +++ exited with 0 +++ [pid 5000] getdents64(3, [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5880] <... openat resumed>) = 3 [pid 5879] <... close resumed>) = 0 [pid 5878] exit_group(0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] close(3 [pid 5880] write(3, "1000", 4 [pid 5879] symlink("/dev/binderfs", "./binderfs" [pid 5878] <... exit_group resumed>) = ? [pid 5000] close(3 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5880] <... write resumed>) = 4 [pid 5879] <... symlink resumed>) = 0 [pid 5878] +++ exited with 0 +++ [pid 5000] <... close resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 5880] close(3 [pid 5879] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5880] <... close resumed>) = 0 [pid 5879] <... openat resumed>) = 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] rmdir("./147" [pid 4997] rmdir("./144" [pid 5880] symlink("/dev/binderfs", "./binderfs" [pid 5879] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5880] <... symlink resumed>) = 0 [pid 5879] <... mmap resumed>) = 0x20fff000 [pid 5000] <... rmdir resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 5880] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5879] exit_group(0 [pid 4997] mkdir("./145", 0777 [pid 5000] mkdir("./148", 0777 [pid 5880] <... openat resumed>) = 3 [pid 5879] <... exit_group resumed>) = ? [pid 5001] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5880] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5879] +++ exited with 0 +++ [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... mkdir resumed>) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 5880] <... mmap resumed>) = 0x20fff000 [pid 5001] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5880] exit_group(0) = ? [pid 5001] <... openat resumed>) = 3 [pid 5880] +++ exited with 0 +++ ./strace-static-x86_64: Process 5881 attached [pid 5881] chdir("./148" [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] fstat(3, [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5881 [pid 4996] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5882 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... openat resumed>) = 3 [pid 5001] getdents64(3, [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] fstat(3, [pid 5881] <... chdir resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... openat resumed>) = 3 [pid 4996] getdents64(3, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] fstat(3, [pid 5001] lstat("./146/binderfs", [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] unlink("./146/binderfs" [pid 4998] getdents64(3, [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 5881] setpgid(0, 0) = 0 [pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5881] write(3, "1000", 4) = 4 [pid 5881] close(3 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5881] <... close resumed>) = 0 [pid 5001] getdents64(3, [pid 4996] lstat("./136/binderfs", [pid 5002] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] close(3 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... close resumed>) = 0 [pid 4998] lstat("./147/binderfs", [pid 4996] unlink("./136/binderfs" [pid 5002] <... openat resumed>) = 3 [pid 5881] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5882 attached ) = 0 [pid 5002] fstat(3, [pid 5001] rmdir("./146" [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... unlink resumed>) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5882] chdir("./145" [pid 5881] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] getdents64(3, [pid 5001] <... rmdir resumed>) = 0 [pid 4998] unlink("./147/binderfs" [pid 4996] getdents64(3, [pid 5882] <... chdir resumed>) = 0 [pid 5881] <... openat resumed>) = 3 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] mkdir("./147", 0777 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... unlink resumed>) = 0 [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5881] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5882] <... prctl resumed>) = 0 [pid 5881] <... mmap resumed>) = 0x20fff000 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... mkdir resumed>) = 0 [pid 4998] getdents64(3, [pid 4996] close(3 [pid 5002] lstat("./153/binderfs", [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... close resumed>) = 0 [pid 5882] setpgid(0, 0 [pid 5881] exit_group(0 [pid 5882] <... setpgid resumed>) = 0 [pid 5881] <... exit_group resumed>) = ? [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5881] +++ exited with 0 +++ [pid 5002] unlink("./153/binderfs" [pid 4998] close(3 [pid 4996] rmdir("./136" [pid 5882] <... openat resumed>) = 3 [pid 5002] <... unlink resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5882] write(3, "1000", 4) = 4 [pid 5882] close(3 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4996] <... rmdir resumed>) = 0 [pid 5002] getdents64(3, [pid 4998] <... close resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 4996] mkdir("./137", 0777 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5883 [pid 4998] rmdir("./147" [pid 5882] <... close resumed>) = 0 [pid 5882] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5002] close(3 [pid 4996] <... mkdir resumed>) = 0 [pid 5882] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5002] <... close resumed>) = 0 [pid 5000] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... rmdir resumed>) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5882] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] rmdir("./153"./strace-static-x86_64: Process 5883 attached [pid 5882] <... mmap resumed>) = 0x20fff000 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] mkdir("./148", 0777 [pid 5000] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5883] chdir("./147" [pid 5882] exit_group(0 [pid 5002] <... rmdir resumed>) = 0 [pid 5883] <... chdir resumed>) = 0 [pid 5882] <... exit_group resumed>) = ? [pid 5000] <... openat resumed>) = 3 [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5882] +++ exited with 0 +++ [pid 5002] mkdir("./154", 0777 [pid 5000] fstat(3, [pid 4998] <... mkdir resumed>) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5884 [pid 5883] <... prctl resumed>) = 0 [pid 5883] setpgid(0, 0) = 0 [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... mkdir resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] getdents64(3, [pid 5883] <... openat resumed>) = 3 [pid 5883] write(3, "1000", 4) = 4 [pid 5883] close(3) = 0 [pid 5883] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5883] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5883] <... openat resumed>) = 3 [pid 5883] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0./strace-static-x86_64: Process 5886 attached ) = 0x20fff000 [pid 5000] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5885 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5886 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5884 attached [pid 5883] exit_group(0 [pid 5000] lstat("./148/binderfs", [pid 4997] <... openat resumed>) = 3 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./148/binderfs" [pid 4997] fstat(3, ./strace-static-x86_64: Process 5885 attached [pid 5884] chdir("./137" [pid 5883] <... exit_group resumed>) = ? [pid 5000] <... unlink resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, [pid 5886] chdir("./154" [pid 5885] chdir("./148" [pid 5884] <... chdir resumed>) = 0 [pid 5883] +++ exited with 0 +++ [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] getdents64(3, [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] close(3 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] <... close resumed>) = 0 [pid 4997] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5001] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] rmdir("./148" [pid 4997] lstat("./145/binderfs", [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5885] <... chdir resumed>) = 0 [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5885] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5884] <... prctl resumed>) = 0 [pid 5885] <... prctl resumed>) = 0 [pid 5884] setpgid(0, 0 [pid 5000] <... rmdir resumed>) = 0 [pid 5885] setpgid(0, 0 [pid 5884] <... setpgid resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] mkdir("./149", 0777 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5885] <... setpgid resumed>) = 0 [pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... openat resumed>) = 3 [pid 4997] unlink("./145/binderfs" [pid 5885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5884] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 5000] <... mkdir resumed>) = 0 [pid 5886] <... chdir resumed>) = 0 [pid 5885] <... openat resumed>) = 3 [pid 5884] write(3, "1000", 4 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... unlink resumed>) = 0 [pid 5886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5885] write(3, "1000", 4 [pid 5884] <... write resumed>) = 4 [pid 5001] getdents64(3, [pid 4997] getdents64(3, [pid 5885] <... write resumed>) = 4 [pid 5884] close(3 [pid 5885] close(3 [pid 5884] <... close resumed>) = 0 [pid 5885] <... close resumed>) = 0 [pid 5884] symlink("/dev/binderfs", "./binderfs" [pid 5886] <... prctl resumed>) = 0 [pid 5885] symlink("/dev/binderfs", "./binderfs" [pid 5884] <... symlink resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5885] <... symlink resumed>) = 0 [pid 5884] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5886] setpgid(0, 0 [pid 5885] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5884] <... openat resumed>) = 3 [pid 5001] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5887 [pid 4997] close(3 [pid 5886] <... setpgid resumed>) = 0 [pid 5885] <... openat resumed>) = 3 [pid 5884] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5885] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5884] <... mmap resumed>) = 0x20fff000 [pid 5001] lstat("./147/binderfs", [pid 4997] <... close resumed>) = 0 [pid 5886] <... openat resumed>) = 3 [pid 5885] <... mmap resumed>) = 0x20fff000 [pid 5884] exit_group(0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] rmdir("./145"./strace-static-x86_64: Process 5887 attached [pid 5886] write(3, "1000", 4 [pid 5885] exit_group(0 [pid 5884] <... exit_group resumed>) = ? [pid 5887] chdir("./149" [pid 5886] <... write resumed>) = 4 [pid 5885] <... exit_group resumed>) = ? [pid 5884] +++ exited with 0 +++ [pid 5001] unlink("./147/binderfs" [pid 4997] <... rmdir resumed>) = 0 [pid 5887] <... chdir resumed>) = 0 [pid 5886] close(3 [pid 5885] +++ exited with 0 +++ [pid 5887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] <... unlink resumed>) = 0 [pid 4997] mkdir("./146", 0777 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5887] <... prctl resumed>) = 0 [pid 5887] setpgid(0, 0) = 0 [pid 5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... mkdir resumed>) = 0 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] getdents64(3, [pid 5886] <... close resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... restart_syscall resumed>) = 0 [pid 5001] close(3 [pid 4998] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5887] <... openat resumed>) = 3 [pid 5887] write(3, "1000", 4) = 4 [pid 5887] close(3) = 0 [pid 5887] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... close resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5886] symlink("/dev/binderfs", "./binderfs" [pid 5001] rmdir("./147" [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5888 [pid 4996] umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... openat resumed>) = 3 [pid 5887] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5001] <... rmdir resumed>) = 0 [pid 4998] fstat(3, [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5886] <... symlink resumed>) = 0 [pid 5001] mkdir("./148", 0777 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5887] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5886] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... mkdir resumed>) = 0 [pid 4998] getdents64(3, [pid 4996] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5888 attached [pid 5887] exit_group(0 [pid 4996] fstat(3, [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5888] chdir("./146" [pid 5887] <... exit_group resumed>) = ? [pid 5888] <... chdir resumed>) = 0 [pid 5887] +++ exited with 0 +++ [pid 5886] <... openat resumed>) = 3 [pid 4998] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] getdents64(3, [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5889 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] lstat("./148/binderfs", [pid 4996] umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5888] <... prctl resumed>) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] unlink("./148/binderfs" [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5888] setpgid(0, 0) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4996] lstat("./137/binderfs", [pid 5886] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] getdents64(3, [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... openat resumed>) = 3 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] unlink("./137/binderfs" [pid 5000] fstat(3, [pid 4998] close(3./strace-static-x86_64: Process 5889 attached [pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... close resumed>) = 0 [pid 4996] <... unlink resumed>) = 0 [pid 5000] getdents64(3, [pid 4998] rmdir("./148" [pid 4996] getdents64(3, [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5889] chdir("./148" [pid 5888] <... openat resumed>) = 3 [pid 5000] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... rmdir resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5889] <... chdir resumed>) = 0 [pid 5888] write(3, "1000", 4 [pid 5886] <... mmap resumed>) = 0x20fff000 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] mkdir("./149", 0777 [pid 4996] close(3 [pid 5889] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5888] <... write resumed>) = 4 [pid 5000] lstat("./149/binderfs", [pid 5889] <... prctl resumed>) = 0 [pid 5888] close(3 [pid 5889] setpgid(0, 0 [pid 5888] <... close resumed>) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 4996] <... close resumed>) = 0 [pid 5889] <... setpgid resumed>) = 0 [pid 5888] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5888] <... symlink resumed>) = 0 [pid 5886] exit_group(0 [pid 5000] unlink("./149/binderfs" [pid 4996] rmdir("./137" [pid 5889] <... openat resumed>) = 3 [pid 5888] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5889] write(3, "1000", 4 [pid 5888] <... openat resumed>) = 3 [pid 5886] <... exit_group resumed>) = ? [pid 5000] <... unlink resumed>) = 0 [pid 4996] <... rmdir resumed>) = 0 [pid 5889] <... write resumed>) = 4 [pid 5888] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] getdents64(3, [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5890 [pid 4996] mkdir("./138", 0777 [pid 5889] close(3 [pid 5888] <... mmap resumed>) = 0x20fff000 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5889] <... close resumed>) = 0 [pid 5888] exit_group(0 [pid 5889] symlink("/dev/binderfs", "./binderfs" [pid 5888] <... exit_group resumed>) = ? [pid 5889] <... symlink resumed>) = 0 [pid 5888] +++ exited with 0 +++ [pid 5886] +++ exited with 0 +++ [pid 5000] close(3 [pid 4996] <... mkdir resumed>) = 0 [pid 5889] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5886, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5889] <... openat resumed>) = 3 [pid 5000] <... close resumed>) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5890 attached [pid 5889] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] rmdir("./149" [pid 5890] chdir("./149" [pid 5889] <... mmap resumed>) = 0x20fff000 [pid 5890] <... chdir resumed>) = 0 [pid 5889] exit_group(0 [pid 5890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5889] <... exit_group resumed>) = ? [pid 5000] <... rmdir resumed>) = 0 [pid 5890] <... prctl resumed>) = 0 [pid 5889] +++ exited with 0 +++ [pid 5002] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] mkdir("./150", 0777 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5891 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5889, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5890] setpgid(0, 0) = 0 [pid 5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... openat resumed>) = 3 [pid 5000] <... mkdir resumed>) = 0 [pid 5001] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] fstat(3, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... openat resumed>) = 3 [pid 5002] getdents64(3, [pid 5890] <... openat resumed>) = 3 [pid 5001] <... openat resumed>) = 3 [pid 4997] fstat(3, [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] fstat(3, [pid 5002] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5890] write(3, "1000", 4) = 4 [pid 5890] close(3./strace-static-x86_64: Process 5891 attached ) = 0 [pid 5891] chdir("./138" [pid 5890] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5892 [pid 5001] getdents64(3, [pid 5002] lstat("./154/binderfs", [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] unlink("./154/binderfs" [pid 5001] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5891] <... chdir resumed>) = 0 [pid 5890] <... symlink resumed>) = 0 [pid 5002] <... unlink resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./146/binderfs", [pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5890] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5891] <... prctl resumed>) = 0 [pid 5890] <... openat resumed>) = 3 [pid 5002] getdents64(3, [pid 5001] lstat("./148/binderfs", [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5891] setpgid(0, 0 [pid 5890] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./146/binderfs"./strace-static-x86_64: Process 5892 attached [pid 5891] <... setpgid resumed>) = 0 [pid 5890] <... mmap resumed>) = 0x20fff000 [pid 5002] close(3 [pid 5001] unlink("./148/binderfs" [pid 5892] chdir("./150" [pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5890] exit_group(0 [pid 5002] <... close resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 5892] <... chdir resumed>) = 0 [pid 5891] <... openat resumed>) = 3 [pid 5890] <... exit_group resumed>) = ? [pid 5002] rmdir("./154" [pid 5001] <... unlink resumed>) = 0 [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5891] write(3, "1000", 4 [pid 5890] +++ exited with 0 +++ [pid 4997] getdents64(3, [pid 5892] <... prctl resumed>) = 0 [pid 5891] <... write resumed>) = 4 [pid 5892] setpgid(0, 0 [pid 5891] close(3 [pid 5892] <... setpgid resumed>) = 0 [pid 5891] <... close resumed>) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5001] getdents64(3, [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5890, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5891] symlink("/dev/binderfs", "./binderfs" [pid 5002] mkdir("./155", 0777 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] close(3 [pid 5892] <... openat resumed>) = 3 [pid 5891] <... symlink resumed>) = 0 [pid 5892] write(3, "1000", 4 [pid 5891] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5892] <... write resumed>) = 4 [pid 5891] <... openat resumed>) = 3 [pid 5002] <... mkdir resumed>) = 0 [pid 5001] close(3 [pid 4997] <... close resumed>) = 0 [pid 5892] close(3 [pid 5891] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5892] <... close resumed>) = 0 [pid 5891] <... mmap resumed>) = 0x20fff000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... close resumed>) = 0 [pid 4997] rmdir("./146" [pid 5892] symlink("/dev/binderfs", "./binderfs" [pid 5891] exit_group(0 [pid 5892] <... symlink resumed>) = 0 [pid 5891] <... exit_group resumed>) = ? [pid 5892] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5891] +++ exited with 0 +++ [pid 5001] rmdir("./148" [pid 4997] <... rmdir resumed>) = 0 [pid 5892] <... openat resumed>) = 3 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5893 [pid 5892] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5001] <... rmdir resumed>) = 0 [pid 4997] mkdir("./147", 0777 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5892] exit_group(0 [pid 5001] mkdir("./149", 0777 [pid 4998] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5892] <... exit_group resumed>) = ? [pid 5892] +++ exited with 0 +++ [pid 5001] <... mkdir resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... mkdir resumed>) = 0 [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5893 attached [pid 5893] chdir("./155") = 0 [pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5893] setpgid(0, 0) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... restart_syscall resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 5893] <... openat resumed>) = 3 [pid 5893] write(3, "1000", 4) = 4 [pid 5893] close(3) = 0 [pid 4998] fstat(3, [pid 4996] umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5893] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5894 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] getdents64(3, [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5895 [pid 4996] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5894 attached [pid 5893] <... symlink resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 4998] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] fstat(3, [pid 5000] fstat(3, [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] getdents64(3, [pid 4998] lstat("./149/binderfs", [pid 5000] getdents64(3, [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 5895 attached [pid 5894] chdir("./149" [pid 5893] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] unlink("./149/binderfs" [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5895] chdir("./147" [pid 5894] <... chdir resumed>) = 0 [pid 5893] <... openat resumed>) = 3 [pid 5000] lstat("./150/binderfs", [pid 4998] <... unlink resumed>) = 0 [pid 4996] lstat("./138/binderfs", [pid 5895] <... chdir resumed>) = 0 [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5893] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] getdents64(3, [pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5894] <... prctl resumed>) = 0 [pid 5893] <... mmap resumed>) = 0x20fff000 [pid 5000] unlink("./150/binderfs" [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5895] <... prctl resumed>) = 0 [pid 5894] setpgid(0, 0 [pid 5893] exit_group(0 [pid 5895] setpgid(0, 0 [pid 5894] <... setpgid resumed>) = 0 [pid 5893] <... exit_group resumed>) = ? [pid 5000] <... unlink resumed>) = 0 [pid 4998] close(3 [pid 4996] unlink("./138/binderfs" [pid 5895] <... setpgid resumed>) = 0 [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5893] +++ exited with 0 +++ [pid 5000] getdents64(3, [pid 4998] <... close resumed>) = 0 [pid 5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5894] <... openat resumed>) = 3 [pid 4996] <... unlink resumed>) = 0 [pid 5895] <... openat resumed>) = 3 [pid 5894] write(3, "1000", 4 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] rmdir("./149" [pid 5895] write(3, "1000", 4 [pid 5894] <... write resumed>) = 4 [pid 5000] close(3 [pid 4996] getdents64(3, [pid 5895] <... write resumed>) = 4 [pid 5894] close(3 [pid 5895] close(3 [pid 5894] <... close resumed>) = 0 [pid 5895] <... close resumed>) = 0 [pid 5894] symlink("/dev/binderfs", "./binderfs" [pid 5895] symlink("/dev/binderfs", "./binderfs" [pid 5894] <... symlink resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5895] <... symlink resumed>) = 0 [pid 5894] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] rmdir("./150" [pid 4998] mkdir("./150", 0777 [pid 5895] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5894] <... openat resumed>) = 3 [pid 5002] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] close(3 [pid 5895] <... openat resumed>) = 3 [pid 5894] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5895] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5894] <... mmap resumed>) = 0x20fff000 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... rmdir resumed>) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 4996] <... close resumed>) = 0 [pid 5895] <... mmap resumed>) = 0x20fff000 [pid 5894] exit_group(0 [pid 5002] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] mkdir("./151", 0777 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] rmdir("./138" [pid 5895] exit_group(0 [pid 5894] <... exit_group resumed>) = ? [pid 5895] <... exit_group resumed>) = ? [pid 5894] +++ exited with 0 +++ [pid 5002] <... openat resumed>) = 3 [pid 5000] <... mkdir resumed>) = 0 [pid 5895] +++ exited with 0 +++ [pid 5002] fstat(3, [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... rmdir resumed>) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5896 attached [pid 5896] chdir("./150") = 0 [pid 5896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5896] setpgid(0, 0 [pid 4996] mkdir("./139", 0777 [pid 5002] getdents64(3, [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5896 [pid 5896] <... setpgid resumed>) = 0 [pid 5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5895, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... mkdir resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5897 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5896] <... openat resumed>) = 3 [pid 5896] write(3, "1000", 4) = 4 [pid 5896] close(3) = 0 [pid 5896] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... restart_syscall resumed>) = 0 [pid 5002] lstat("./155/binderfs", [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5898 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5896] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] unlink("./155/binderfs" [pid 5001] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... unlink resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] getdents64(3, [pid 5001] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5002] close(3 [pid 5001] fstat(3, [pid 4997] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5898 attached ./strace-static-x86_64: Process 5897 attached [pid 5896] <... openat resumed>) = 3 [pid 5002] <... close resumed>) = 0 [pid 5896] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] rmdir("./155" [pid 4997] fstat(3, [pid 5001] getdents64(3, [pid 5896] <... mmap resumed>) = 0x20fff000 [pid 5002] <... rmdir resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] mkdir("./156", 0777 [pid 5001] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] getdents64(3, [pid 5897] chdir("./151" [pid 5896] exit_group(0 [pid 5002] <... mkdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5898] chdir("./139" [pid 5897] <... chdir resumed>) = 0 [pid 5896] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5899 attached [pid 5898] <... chdir resumed>) = 0 [pid 5897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] lstat("./149/binderfs", [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5899 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] lstat("./147/binderfs", [pid 5001] unlink("./149/binderfs" [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5897] <... prctl resumed>) = 0 [pid 5896] +++ exited with 0 +++ [pid 5898] <... prctl resumed>) = 0 [pid 5897] setpgid(0, 0 [pid 5898] setpgid(0, 0 [pid 5897] <... setpgid resumed>) = 0 [pid 5898] <... setpgid resumed>) = 0 [pid 5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5897] <... openat resumed>) = 3 [pid 5898] <... openat resumed>) = 3 [pid 5897] write(3, "1000", 4 [pid 5898] write(3, "1000", 4 [pid 5897] <... write resumed>) = 4 [pid 5898] <... write resumed>) = 4 [pid 5897] close(3 [pid 5001] <... unlink resumed>) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5896, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] getdents64(3, [pid 4997] unlink("./147/binderfs" [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5898] close(3 [pid 5897] <... close resumed>) = 0 [pid 5898] <... close resumed>) = 0 [pid 5897] symlink("/dev/binderfs", "./binderfs" [pid 5898] symlink("/dev/binderfs", "./binderfs" [pid 5897] <... symlink resumed>) = 0 [pid 5001] close(3 [pid 4997] <... unlink resumed>) = 0 [pid 5899] chdir("./156" [pid 5898] <... symlink resumed>) = 0 [pid 5897] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... close resumed>) = 0 [pid 4997] getdents64(3, [pid 5899] <... chdir resumed>) = 0 [pid 5898] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5897] <... openat resumed>) = 3 [pid 5898] <... openat resumed>) = 3 [pid 5897] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] rmdir("./149" [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5898] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5897] <... mmap resumed>) = 0x20fff000 [pid 5898] <... mmap resumed>) = 0x20fff000 [pid 5897] exit_group(0 [pid 5001] <... rmdir resumed>) = 0 [pid 4997] close(3 [pid 5898] exit_group(0 [pid 5897] <... exit_group resumed>) = ? [pid 5899] <... prctl resumed>) = 0 [pid 5898] <... exit_group resumed>) = ? [pid 5897] +++ exited with 0 +++ [pid 5001] mkdir("./150", 0777 [pid 4998] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... close resumed>) = 0 [pid 5899] setpgid(0, 0 [pid 5898] +++ exited with 0 +++ [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] rmdir("./147" [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5899] <... setpgid resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... openat resumed>) = 3 [pid 4997] mkdir("./148", 0777 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... restart_syscall resumed>) = 0 [pid 4998] fstat(3, [pid 4996] umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5899] <... openat resumed>) = 3 [pid 4997] <... mkdir resumed>) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] getdents64(3, [pid 4996] <... openat resumed>) = 3 [pid 5899] write(3, "1000", 4 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] fstat(3, [pid 5001] <... mkdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5899] <... write resumed>) = 4 [pid 5899] close(3) = 0 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5900 attached [pid 5899] symlink("/dev/binderfs", "./binderfs" [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... openat resumed>) = 3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5900 [pid 4996] getdents64(3, [pid 5899] <... symlink resumed>) = 0 [pid 5899] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5000] fstat(3, [pid 4998] lstat("./150/binderfs", [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] getdents64(3, [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5901 [pid 4998] unlink("./150/binderfs" [pid 4996] umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5899] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] <... unlink resumed>) = 0 [pid 5000] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] getdents64(3, [pid 4996] lstat("./139/binderfs", [pid 5000] lstat("./151/binderfs", [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] unlink("./139/binderfs" [pid 5000] unlink("./151/binderfs" [pid 4998] close(3./strace-static-x86_64: Process 5901 attached [pid 5899] <... mmap resumed>) = 0x20fff000 [pid 5000] <... unlink resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4996] <... unlink resumed>) = 0 [pid 5901] chdir("./150" [pid 5899] exit_group(0 [pid 5000] getdents64(3, [pid 4998] rmdir("./150" [pid 4996] getdents64(3, [pid 5901] <... chdir resumed>) = 0 [pid 5899] <... exit_group resumed>) = ? [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5900] chdir("./148" [pid 5899] +++ exited with 0 +++ [pid 5000] close(3 [pid 4998] <... rmdir resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5901] <... prctl resumed>) = 0 [pid 5901] setpgid(0, 0 [pid 5000] <... close resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5899, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] close(3 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5000] rmdir("./151" [pid 4998] mkdir("./151", 0777 [pid 4996] <... close resumed>) = 0 [pid 5901] <... setpgid resumed>) = 0 [pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... rmdir resumed>) = 0 [pid 4996] rmdir("./139" [pid 5901] <... openat resumed>) = 3 [pid 5002] <... restart_syscall resumed>) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 5901] write(3, "1000", 4) = 4 [pid 5901] close(3) = 0 [pid 4996] <... rmdir resumed>) = 0 [pid 4996] mkdir("./140", 0777 [pid 5000] mkdir("./152", 0777 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5901] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4996] <... mkdir resumed>) = 0 [pid 5002] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5901] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... mkdir resumed>) = 0 [pid 5901] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5002] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5900] <... chdir resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... openat resumed>) = 3 [pid 5901] exit_group(0) = ? [pid 5901] +++ exited with 0 +++ [pid 5002] fstat(3, ./strace-static-x86_64: Process 5902 attached [pid 5902] chdir("./151" [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5901, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5902 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5903 [pid 5002] getdents64(3, [pid 5902] <... chdir resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5900] <... prctl resumed>) = 0 [pid 5002] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5904 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./156/binderfs", [pid 5900] setpgid(0, 0 [pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5900] <... setpgid resumed>) = 0 [pid 5002] unlink("./156/binderfs"./strace-static-x86_64: Process 5903 attached [pid 5902] <... prctl resumed>) = 0 [pid 5903] chdir("./140" [pid 5902] setpgid(0, 0 [pid 5002] <... unlink resumed>) = 0 [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] getdents64(3, 0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5903] <... chdir resumed>) = 0 [pid 5902] <... setpgid resumed>) = 0 [pid 5002] close(3) = 0 [pid 5001] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] rmdir("./156" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5900] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5904 attached [pid 5903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... rmdir resumed>) = 0 [pid 5900] write(3, "1000", 4 [pid 5001] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] mkdir("./157", 0777 [pid 5001] <... openat resumed>) = 3 [pid 5904] chdir("./152" [pid 5903] <... prctl resumed>) = 0 [pid 5902] <... openat resumed>) = 3 [pid 5900] <... write resumed>) = 4 [pid 5002] <... mkdir resumed>) = 0 [pid 5001] fstat(3, [pid 5904] <... chdir resumed>) = 0 [pid 5903] setpgid(0, 0 [pid 5902] write(3, "1000", 4 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5900] close(3 [pid 5904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5903] <... setpgid resumed>) = 0 [pid 5902] <... write resumed>) = 4 [pid 5904] <... prctl resumed>) = 0 [pid 5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5902] close(3 [pid 5904] setpgid(0, 0 [pid 5903] <... openat resumed>) = 3 [pid 5902] <... close resumed>) = 0 [pid 5900] <... close resumed>) = 0 [pid 5001] getdents64(3, [pid 5904] <... setpgid resumed>) = 0 [pid 5903] write(3, "1000", 4 [pid 5902] symlink("/dev/binderfs", "./binderfs" [pid 5900] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5905 [pid 5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5903] <... write resumed>) = 4 [pid 5902] <... symlink resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5904] <... openat resumed>) = 3 [pid 5903] close(3 [pid 5902] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5900] <... symlink resumed>) = 0 [pid 5001] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5904] write(3, "1000", 4 [pid 5903] <... close resumed>) = 0 [pid 5902] <... openat resumed>) = 3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5905 attached [pid 5904] <... write resumed>) = 4 [pid 5903] symlink("/dev/binderfs", "./binderfs" [pid 5902] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5900] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] lstat("./150/binderfs", [pid 5905] chdir("./157" [pid 5904] close(3 [pid 5903] <... symlink resumed>) = 0 [pid 5902] <... mmap resumed>) = 0x20fff000 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5905] <... chdir resumed>) = 0 [pid 5904] <... close resumed>) = 0 [pid 5903] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5902] exit_group(0 [pid 5900] <... openat resumed>) = 3 [pid 5001] unlink("./150/binderfs" [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5904] symlink("/dev/binderfs", "./binderfs" [pid 5903] <... openat resumed>) = 3 [pid 5902] <... exit_group resumed>) = ? [pid 5900] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5905] <... prctl resumed>) = 0 [pid 5904] <... symlink resumed>) = 0 [pid 5903] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5902] +++ exited with 0 +++ [pid 5001] <... unlink resumed>) = 0 [pid 5905] setpgid(0, 0 [pid 5904] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5903] <... mmap resumed>) = 0x20fff000 [pid 5900] <... mmap resumed>) = 0x20fff000 [pid 5905] <... setpgid resumed>) = 0 [pid 5904] <... openat resumed>) = 3 [pid 5903] exit_group(0 [pid 5001] getdents64(3, [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5904] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5903] <... exit_group resumed>) = ? [pid 5900] exit_group(0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5905] <... openat resumed>) = 3 [pid 5904] <... mmap resumed>) = 0x20fff000 [pid 5903] +++ exited with 0 +++ [pid 5900] <... exit_group resumed>) = ? [pid 5001] close(3 [pid 5905] write(3, "1000", 4 [pid 5904] exit_group(0 [pid 5905] <... write resumed>) = 4 [pid 5904] <... exit_group resumed>) = ? [pid 5001] <... close resumed>) = 0 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5905] close(3 [pid 5904] +++ exited with 0 +++ [pid 5900] +++ exited with 0 +++ [pid 5001] rmdir("./150" [pid 5905] <... close resumed>) = 0 [pid 5905] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5905] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... rmdir resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5905] <... openat resumed>) = 3 [pid 5905] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5001] mkdir("./151", 0777 [pid 4996] umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5905] exit_group(0) = ? [pid 5905] +++ exited with 0 +++ [pid 5001] <... mkdir resumed>) = 0 [pid 5000] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5906 attached [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5906 [pid 5000] getdents64(3, [pid 4998] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] fstat(3, [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... openat resumed>) = 3 [pid 5906] chdir("./151" [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] fstat(3, [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] lstat("./152/binderfs", [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] getdents64(3, [pid 4996] getdents64(3, [pid 5906] <... chdir resumed>) = 0 [pid 5002] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] unlink("./152/binderfs" [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... unlink resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5906] <... prctl resumed>) = 0 [pid 5002] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] getdents64(3, [pid 4998] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5906] setpgid(0, 0 [pid 5002] <... openat resumed>) = 3 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5906] <... setpgid resumed>) = 0 [pid 5002] fstat(3, [pid 5000] close(3 [pid 4998] lstat("./151/binderfs", [pid 4997] <... openat resumed>) = 3 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... close resumed>) = 0 [pid 5000] rmdir("./152" [pid 5002] getdents64(3, [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] fstat(3, [pid 4996] lstat("./140/binderfs", [pid 5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] unlink("./151/binderfs" [pid 5002] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] mkdir("./153", 0777 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5906] <... openat resumed>) = 3 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... mkdir resumed>) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4997] getdents64(3, [pid 4996] unlink("./140/binderfs" [pid 5906] write(3, "1000", 4 [pid 5002] lstat("./157/binderfs", [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] getdents64(3, [pid 5906] <... write resumed>) = 4 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... unlink resumed>) = 0 [pid 5002] unlink("./157/binderfs" [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5907 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5906] close(3 [pid 4996] getdents64(3, [pid 5002] <... unlink resumed>) = 0 [pid 5002] getdents64(3, [pid 4998] close(3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5906] <... close resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4996] close(3 [pid 5906] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] rmdir("./151" [pid 4997] lstat("./148/binderfs", [pid 5002] close(3 [pid 4996] <... close resumed>) = 0 ./strace-static-x86_64: Process 5907 attached [pid 5907] chdir("./153" [pid 5906] <... symlink resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] rmdir("./140" [pid 5907] <... chdir resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5907] setpgid(0, 0) = 0 [pid 5002] <... close resumed>) = 0 [pid 4997] unlink("./148/binderfs" [pid 4998] mkdir("./152", 0777 [pid 4996] <... rmdir resumed>) = 0 [pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5906] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] rmdir("./157" [pid 4997] <... unlink resumed>) = 0 [pid 5907] <... openat resumed>) = 3 [pid 5907] write(3, "1000", 4 [pid 5002] <... rmdir resumed>) = 0 [pid 4997] getdents64(3, [pid 4996] mkdir("./141", 0777 [pid 5907] <... write resumed>) = 4 [pid 5907] close(3) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5907] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5002] mkdir("./158", 0777 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] close(3 [pid 4996] <... mkdir resumed>) = 0 [pid 5907] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... mkdir resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] rmdir("./148" [pid 5907] <... openat resumed>) = 3 [pid 5906] <... openat resumed>) = 3 [pid 5907] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5906] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4997] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5909 attached [pid 5907] <... mmap resumed>) = 0x20fff000 [pid 5906] <... mmap resumed>) = 0x20fff000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5908 [pid 4997] mkdir("./149", 0777 [pid 5907] exit_group(0 [pid 5906] exit_group(0 [pid 5907] <... exit_group resumed>) = ? [pid 5906] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5910 attached [pid 5909] chdir("./141" [pid 5907] +++ exited with 0 +++ [pid 5906] +++ exited with 0 +++ [pid 4997] <... mkdir resumed>) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5909 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5910 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5908 attached [pid 5908] chdir("./152") = 0 [pid 5908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5908] setpgid(0, 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5906, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5911 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5908] <... setpgid resumed>) = 0 [pid 5908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5908] <... openat resumed>) = 3 [pid 5001] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5908] write(3, "1000", 4 [pid 5001] <... openat resumed>) = 3 [pid 5000] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 5000] fstat(3, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5908] <... write resumed>) = 4 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, [pid 5000] getdents64(3, [pid 5908] close(3 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5911 attached [pid 5908] <... close resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./151/binderfs", [pid 5000] lstat("./153/binderfs", [pid 5911] chdir("./149" [pid 5908] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./151/binderfs" [pid 5000] unlink("./153/binderfs" [pid 5911] <... chdir resumed>) = 0 [pid 5908] <... symlink resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 5911] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5908] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... unlink resumed>) = 0 [pid 5001] getdents64(3, [pid 5911] <... prctl resumed>) = 0 [pid 5909] <... chdir resumed>) = 0 [pid 5908] <... openat resumed>) = 3 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] getdents64(3, [pid 5911] setpgid(0, 0 [pid 5908] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] close(3 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5911] <... setpgid resumed>) = 0 [pid 5909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5908] <... mmap resumed>) = 0x20fff000 [pid 5001] <... close resumed>) = 0 [pid 5000] close(3 [pid 5911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5910] chdir("./158" [pid 5909] <... prctl resumed>) = 0 [pid 5908] exit_group(0 [pid 5000] <... close resumed>) = 0 [pid 5911] <... openat resumed>) = 3 [pid 5909] setpgid(0, 0 [pid 5908] <... exit_group resumed>) = ? [pid 5001] rmdir("./151" [pid 5000] rmdir("./153" [pid 5911] write(3, "1000", 4 [pid 5910] <... chdir resumed>) = 0 [pid 5909] <... setpgid resumed>) = 0 [pid 5908] +++ exited with 0 +++ [pid 5911] <... write resumed>) = 4 [pid 5911] close(3) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5911] symlink("/dev/binderfs", "./binderfs" [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5908, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5911] <... symlink resumed>) = 0 [pid 5001] mkdir("./152", 0777 [pid 5000] <... rmdir resumed>) = 0 [pid 5911] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5911] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] mkdir("./154", 0777 [pid 5911] <... mmap resumed>) = 0x20fff000 [pid 5910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5911] exit_group(0) = ? [pid 5000] <... mkdir resumed>) = 0 [pid 5911] +++ exited with 0 +++ [pid 5909] <... openat resumed>) = 3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5909] write(3, "1000", 4 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5912 ./strace-static-x86_64: Process 5912 attached [pid 5912] chdir("./152") = 0 [pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5912] setpgid(0, 0 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5913 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5911, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5912] <... setpgid resumed>) = 0 [pid 4998] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... restart_syscall resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5909] <... write resumed>) = 4 [pid 5909] close(3 [pid 4998] <... openat resumed>) = 3 [pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5909] <... close resumed>) = 0 [pid 4998] fstat(3, [pid 5912] <... openat resumed>) = 3 [pid 5909] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] getdents64(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5912] write(3, "1000", 4 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./152/binderfs", [pid 4997] <... openat resumed>) = 3 [pid 5912] <... write resumed>) = 4 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] fstat(3, [pid 4998] unlink("./152/binderfs" [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5912] close(3) = 0 [pid 5912] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... unlink resumed>) = 0 [pid 4998] getdents64(3, [pid 4997] getdents64(3, [pid 5909] <... symlink resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5912] <... symlink resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] close(3 [pid 4997] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5909] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] <... close resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] rmdir("./152" [pid 4997] lstat("./149/binderfs", ./strace-static-x86_64: Process 5913 attached [pid 5912] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5913] chdir("./154" [pid 5912] <... openat resumed>) = 3 [pid 5909] <... openat resumed>) = 3 [pid 4998] <... rmdir resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5913] <... chdir resumed>) = 0 [pid 5912] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] mkdir("./153", 0777 [pid 4997] unlink("./149/binderfs" [pid 5913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5912] <... mmap resumed>) = 0x20fff000 [pid 5909] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5910] <... prctl resumed>) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 5913] <... prctl resumed>) = 0 [pid 5912] exit_group(0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] getdents64(3, [pid 5913] setpgid(0, 0 [pid 5912] <... exit_group resumed>) = ? [pid 5913] <... setpgid resumed>) = 0 [pid 5912] +++ exited with 0 +++ [pid 5909] <... mmap resumed>) = 0x20fff000 [pid 5910] setpgid(0, 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5914 [pid 4997] close(3) = 0 [pid 5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5910] <... setpgid resumed>) = 0 [pid 5909] exit_group(0 [pid 4997] rmdir("./149" [pid 5913] <... openat resumed>) = 3 [pid 5001] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5913] write(3, "1000", 4) = 4 [pid 5913] close(3) = 0 [pid 5913] symlink("/dev/binderfs", "./binderfs" [pid 4997] <... rmdir resumed>) = 0 [pid 5913] <... symlink resumed>) = 0 [pid 5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5909] <... exit_group resumed>) = ? [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] mkdir("./150", 0777 [pid 5913] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5914 attached [pid 5913] <... openat resumed>) = 3 [pid 4997] <... mkdir resumed>) = 0 [pid 5914] chdir("./153" [pid 5913] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... openat resumed>) = 3 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5914] <... chdir resumed>) = 0 [pid 5913] <... mmap resumed>) = 0x20fff000 [pid 5910] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 5914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5913] exit_group(0 [pid 5914] <... prctl resumed>) = 0 [pid 5913] <... exit_group resumed>) = ? [pid 5914] setpgid(0, 0 [pid 5913] +++ exited with 0 +++ [pid 5910] write(3, "1000", 4 [pid 5909] +++ exited with 0 +++ [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5909, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5913, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] getdents64(3, [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5915 [pid 5910] <... write resumed>) = 4 [pid 5914] <... setpgid resumed>) = 0 [pid 5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5910] close(3 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5914] <... openat resumed>) = 3 [pid 5910] <... close resumed>) = 0 [pid 5001] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5910] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./152/binderfs", [pid 5914] write(3, "1000", 4) = 4 [pid 5000] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5914] close(3 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5915 attached [pid 5914] <... close resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5001] unlink("./152/binderfs" [pid 5915] chdir("./150" [pid 5914] symlink("/dev/binderfs", "./binderfs" [pid 5910] <... symlink resumed>) = 0 [pid 5000] fstat(3, [pid 4996] umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5915] <... chdir resumed>) = 0 [pid 5914] <... symlink resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5914] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5910] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] getdents64(3, [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5915] <... prctl resumed>) = 0 [pid 5914] <... openat resumed>) = 3 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] getdents64(3, [pid 4996] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5915] setpgid(0, 0 [pid 5914] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5910] <... openat resumed>) = 3 [pid 5001] close(3 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5915] <... setpgid resumed>) = 0 [pid 5914] <... mmap resumed>) = 0x20fff000 [pid 5001] <... close resumed>) = 0 [pid 5000] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... openat resumed>) = 3 [pid 5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5914] exit_group(0 [pid 5910] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] rmdir("./152" [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] fstat(3, [pid 5915] <... openat resumed>) = 3 [pid 5914] <... exit_group resumed>) = ? [pid 5915] write(3, "1000", 4 [pid 5914] +++ exited with 0 +++ [pid 5001] <... rmdir resumed>) = 0 [pid 5000] lstat("./154/binderfs", [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] mkdir("./153", 0777 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./154/binderfs" [pid 4996] getdents64(3, [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5915] <... write resumed>) = 4 [pid 5915] close(3) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 4998] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5915] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5000] getdents64(3, [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5915] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... mkdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5915] <... openat resumed>) = 3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] close(3 [pid 4998] <... openat resumed>) = 3 [pid 5915] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5915] <... mmap resumed>) = 0x20fff000 [pid 5915] exit_group(0 [pid 5000] <... close resumed>) = 0 [pid 4998] fstat(3, [pid 5910] <... mmap resumed>) = 0x20fff000 [pid 4996] lstat("./141/binderfs", [pid 5915] <... exit_group resumed>) = ? [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5916 [pid 5000] rmdir("./154" [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5915] +++ exited with 0 +++ [pid 5910] exit_group(0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5916 attached [pid 5000] <... rmdir resumed>) = 0 [pid 4998] getdents64(3, [pid 4996] unlink("./141/binderfs" [pid 5000] mkdir("./155", 0777 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... unlink resumed>) = 0 [pid 4998] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5915, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5916] chdir("./153") = 0 [pid 5916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5910] <... exit_group resumed>) = ? [pid 4996] getdents64(3, [pid 4998] lstat("./153/binderfs", [pid 5916] setpgid(0, 0) = 0 [pid 5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5916] write(3, "1000", 4 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./153/binderfs" [pid 4997] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5916] <... write resumed>) = 4 [pid 5916] close(3 [pid 4998] <... unlink resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5917 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] getdents64(3, [pid 4996] close(3 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] close(3 [pid 4996] <... close resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 4998] <... close resumed>) = 0 [pid 4997] fstat(3, [pid 4996] rmdir("./141" [pid 4998] rmdir("./153" [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5916] <... close resumed>) = 0 [pid 5916] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4996] <... rmdir resumed>) = 0 [pid 5916] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] <... rmdir resumed>) = 0 [pid 4997] getdents64(3, [pid 4998] mkdir("./154", 0777 [pid 4996] mkdir("./142", 0777 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5916] <... openat resumed>) = 3 [pid 5916] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] <... mkdir resumed>) = 0 [pid 4997] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5916] <... mmap resumed>) = 0x20fff000 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... mkdir resumed>) = 0 [pid 5916] exit_group(0) = ? [pid 5916] +++ exited with 0 +++ [pid 4997] lstat("./150/binderfs", [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5918 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5917 attached [pid 5917] chdir("./155") = 0 [pid 5917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5917] setpgid(0, 0 [pid 4997] unlink("./150/binderfs" [pid 5917] <... setpgid resumed>) = 0 [pid 5917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... unlink resumed>) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5919 [pid 5910] +++ exited with 0 +++ [pid 4997] getdents64(3, [pid 5917] <... openat resumed>) = 3 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5910, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 4997] close(3 [pid 5002] <... restart_syscall resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 4997] rmdir("./150" [pid 5917] write(3, "1000", 4) = 4 [pid 5917] close(3) = 0 [pid 5917] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5917] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5917] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4997] <... rmdir resumed>) = 0 [pid 5002] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] mkdir("./151", 0777 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5919 attached ./strace-static-x86_64: Process 5918 attached [pid 5917] <... mmap resumed>) = 0x20fff000 [pid 5002] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... mkdir resumed>) = 0 [pid 5919] chdir("./142" [pid 5918] chdir("./154" [pid 5917] exit_group(0 [pid 5002] <... openat resumed>) = 3 [pid 5001] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] fstat(3, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] getdents64(3, [pid 5919] <... chdir resumed>) = 0 [pid 5918] <... chdir resumed>) = 0 [pid 5917] <... exit_group resumed>) = ? [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... openat resumed>) = 3 [pid 5002] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] fstat(3, ./strace-static-x86_64: Process 5920 attached [pid 5919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5917] +++ exited with 0 +++ [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] lstat("./158/binderfs", [pid 5001] getdents64(3, [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5917, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5920 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5919] <... prctl resumed>) = 0 [pid 5918] <... prctl resumed>) = 0 [pid 5002] unlink("./158/binderfs" [pid 5919] setpgid(0, 0 [pid 5918] setpgid(0, 0 [pid 5001] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5919] <... setpgid resumed>) = 0 [pid 5918] <... setpgid resumed>) = 0 [pid 5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... unlink resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5920] chdir("./151" [pid 5919] <... openat resumed>) = 3 [pid 5918] <... openat resumed>) = 3 [pid 5919] write(3, "1000", 4 [pid 5918] write(3, "1000", 4 [pid 5001] lstat("./153/binderfs", [pid 5919] <... write resumed>) = 4 [pid 5918] <... write resumed>) = 4 [pid 5002] getdents64(3, [pid 5000] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5919] close(3 [pid 5918] close(3 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5919] <... close resumed>) = 0 [pid 5918] <... close resumed>) = 0 [pid 5002] close(3 [pid 5001] unlink("./153/binderfs" [pid 5000] <... openat resumed>) = 3 [pid 5919] symlink("/dev/binderfs", "./binderfs" [pid 5918] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... close resumed>) = 0 [pid 5920] <... chdir resumed>) = 0 [pid 5919] <... symlink resumed>) = 0 [pid 5918] <... symlink resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 5000] fstat(3, [pid 5920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5919] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5918] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] rmdir("./158" [pid 5001] getdents64(3, [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5920] <... prctl resumed>) = 0 [pid 5919] <... openat resumed>) = 3 [pid 5918] <... openat resumed>) = 3 [pid 5919] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5918] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5920] setpgid(0, 0 [pid 5919] <... mmap resumed>) = 0x20fff000 [pid 5918] <... mmap resumed>) = 0x20fff000 [pid 5002] <... rmdir resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] getdents64(3, [pid 5920] <... setpgid resumed>) = 0 [pid 5919] exit_group(0 [pid 5918] exit_group(0 [pid 5002] mkdir("./159", 0777 [pid 5001] close(3 [pid 5919] <... exit_group resumed>) = ? [pid 5918] <... exit_group resumed>) = ? [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5919] +++ exited with 0 +++ [pid 5918] +++ exited with 0 +++ [pid 5002] <... mkdir resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5000] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5918, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5919, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] rmdir("./153" [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5920] <... openat resumed>) = 3 [pid 5920] write(3, "1000", 4) = 4 [pid 5920] close(3) = 0 [pid 5920] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5920] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... rmdir resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5921 [pid 5000] lstat("./155/binderfs", [pid 5001] mkdir("./154", 0777 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5920] <... openat resumed>) = 3 [pid 5920] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] unlink("./155/binderfs" [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5920] <... mmap resumed>) = 0x20fff000 [pid 5000] <... unlink resumed>) = 0 [pid 5920] exit_group(0) = ? [pid 5000] getdents64(3, [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5922 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] close(3 [pid 4996] umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... close resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] rmdir("./155" [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5921 attached [pid 5921] chdir("./159" [pid 5000] <... rmdir resumed>) = 0 [pid 4996] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] mkdir("./156", 0777 [pid 4998] <... openat resumed>) = 3 [pid 5921] <... chdir resumed>) = 0 [pid 5920] +++ exited with 0 +++ [pid 4998] fstat(3, [pid 4996] <... openat resumed>) = 3 [pid 5921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5921] setpgid(0, 0 [pid 5000] <... mkdir resumed>) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5920, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] fstat(3, [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5922 attached [pid 5921] <... setpgid resumed>) = 0 [pid 5922] chdir("./154" [pid 5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5922] <... chdir resumed>) = 0 [pid 5921] <... openat resumed>) = 3 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5923 [pid 4998] getdents64(3, [pid 4996] getdents64(3, [pid 4997] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5921] write(3, "1000", 4 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... openat resumed>) = 3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] fstat(3, [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./154/binderfs", [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] lstat("./142/binderfs", [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] getdents64(3, ./strace-static-x86_64: Process 5923 attached [pid 5922] <... prctl resumed>) = 0 [pid 5921] <... write resumed>) = 4 [pid 4998] unlink("./154/binderfs" [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5923] chdir("./156" [pid 5922] setpgid(0, 0 [pid 5921] close(3 [pid 5923] <... chdir resumed>) = 0 [pid 5922] <... setpgid resumed>) = 0 [pid 5921] <... close resumed>) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4997] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] unlink("./142/binderfs" [pid 5923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5921] symlink("/dev/binderfs", "./binderfs" [pid 4998] getdents64(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5923] <... prctl resumed>) = 0 [pid 5922] <... openat resumed>) = 3 [pid 5921] <... symlink resumed>) = 0 [pid 4996] <... unlink resumed>) = 0 [pid 5923] setpgid(0, 0 [pid 5922] write(3, "1000", 4 [pid 5921] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4997] lstat("./151/binderfs", [pid 4996] getdents64(3, [pid 5923] <... setpgid resumed>) = 0 [pid 5922] <... write resumed>) = 4 [pid 5921] <... openat resumed>) = 3 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5922] close(3 [pid 5921] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] close(3 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5923] <... openat resumed>) = 3 [pid 5922] <... close resumed>) = 0 [pid 5921] <... mmap resumed>) = 0x20fff000 [pid 4998] <... close resumed>) = 0 [pid 4997] unlink("./151/binderfs" [pid 4996] close(3 [pid 5923] write(3, "1000", 4 [pid 5922] symlink("/dev/binderfs", "./binderfs" [pid 5921] exit_group(0 [pid 4998] rmdir("./154" [pid 5923] <... write resumed>) = 4 [pid 5922] <... symlink resumed>) = 0 [pid 5921] <... exit_group resumed>) = ? [pid 4997] <... unlink resumed>) = 0 [pid 4996] <... close resumed>) = 0 [pid 5923] close(3 [pid 5922] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5921] +++ exited with 0 +++ [pid 4998] <... rmdir resumed>) = 0 [pid 4997] getdents64(3, [pid 4996] rmdir("./142" [pid 5923] <... close resumed>) = 0 [pid 5922] <... openat resumed>) = 3 [pid 5923] symlink("/dev/binderfs", "./binderfs" [pid 5922] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] mkdir("./155", 0777 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5923] <... symlink resumed>) = 0 [pid 5922] <... mmap resumed>) = 0x20fff000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5921, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... rmdir resumed>) = 0 [pid 5923] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5922] exit_group(0 [pid 4998] <... mkdir resumed>) = 0 [pid 4997] close(3 [pid 5923] <... openat resumed>) = 3 [pid 5922] <... exit_group resumed>) = ? [pid 5002] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] mkdir("./143", 0777 [pid 5923] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5922] +++ exited with 0 +++ [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... close resumed>) = 0 [pid 5923] <... mmap resumed>) = 0x20fff000 [pid 5923] exit_group(0) = ? [pid 4996] <... mkdir resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] rmdir("./151" [pid 5923] +++ exited with 0 +++ [pid 5002] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5924 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5924 attached [pid 5924] chdir("./155" [pid 5002] <... openat resumed>) = 3 [pid 4997] <... rmdir resumed>) = 0 [pid 5002] fstat(3, [pid 5001] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5923, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] getdents64(3, [pid 5001] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5924] <... chdir resumed>) = 0 [pid 5924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5924] setpgid(0, 0) = 0 [pid 5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... openat resumed>) = 3 [pid 5000] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5924] <... openat resumed>) = 3 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] fstat(3, [pid 5000] <... openat resumed>) = 3 [pid 4997] mkdir("./152", 0777 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5925 [pid 5002] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] fstat(3, [pid 5924] write(3, "1000", 4) = 4 [pid 4997] <... mkdir resumed>) = 0 [pid 5924] close(3 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] getdents64(3, [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] lstat("./159/binderfs", [pid 5000] getdents64(3, [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5924] <... close resumed>) = 0 [pid 5924] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5924] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] unlink("./159/binderfs" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5926 [pid 5000] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5924] <... openat resumed>) = 3 [pid 5002] <... unlink resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] getdents64(3, [pid 5001] lstat("./154/binderfs", [pid 5000] lstat("./156/binderfs", [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./154/binderfs" [pid 5002] close(3 [pid 5000] unlink("./156/binderfs" [pid 5924] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... unlink resumed>) = 0 [pid 5924] <... mmap resumed>) = 0x20fff000 [pid 5002] <... close resumed>) = 0 [pid 5001] getdents64(3, [pid 5000] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5926 attached [pid 5002] rmdir("./159" [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] getdents64(3, ./strace-static-x86_64: Process 5925 attached [pid 5924] exit_group(0 [pid 5925] chdir("./143" [pid 5924] <... exit_group resumed>) = ? [pid 5002] <... rmdir resumed>) = 0 [pid 5001] close(3 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] mkdir("./160", 0777 [pid 5001] <... close resumed>) = 0 [pid 5000] close(3 [pid 5926] chdir("./152" [pid 5925] <... chdir resumed>) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5001] rmdir("./154" [pid 5000] <... close resumed>) = 0 [pid 5925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5924] +++ exited with 0 +++ [pid 5925] <... prctl resumed>) = 0 [pid 5925] setpgid(0, 0) = 0 [pid 5925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... rmdir resumed>) = 0 [pid 5000] rmdir("./156" [pid 5925] <... openat resumed>) = 3 [pid 5925] write(3, "1000", 4) = 4 [pid 5925] close(3) = 0 [pid 5925] symlink("/dev/binderfs", "./binderfs" [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5924, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5925] <... symlink resumed>) = 0 [pid 5925] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5927 [pid 5001] mkdir("./155", 0777 [pid 5000] <... rmdir resumed>) = 0 [pid 5000] mkdir("./157", 0777 [pid 5925] <... openat resumed>) = 3 [pid 5925] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] <... mkdir resumed>) = 0 [pid 4998] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5925] <... mmap resumed>) = 0x20fff000 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5925] exit_group(0) = ? [pid 4998] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5925] +++ exited with 0 +++ [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5925, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5927 attached [pid 4998] <... openat resumed>) = 3 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5929 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5928 [pid 4998] fstat(3, [pid 5927] chdir("./160" [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5927] <... chdir resumed>) = 0 [pid 4998] getdents64(3, [pid 5927] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5928 attached [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5927] <... prctl resumed>) = 0 [pid 4998] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./155/binderfs", [pid 5927] setpgid(0, 0 [pid 5928] chdir("./157" [pid 5927] <... setpgid resumed>) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5926] <... chdir resumed>) = 0 [pid 4998] unlink("./155/binderfs" [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5926] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5929 attached [pid 5928] <... chdir resumed>) = 0 [pid 5927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5926] <... prctl resumed>) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4996] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5926] setpgid(0, 0 [pid 4998] getdents64(3, [pid 4996] <... openat resumed>) = 3 [pid 5926] <... setpgid resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] fstat(3, [pid 4998] close(3 [pid 5929] chdir("./155" [pid 5928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5927] <... openat resumed>) = 3 [pid 5926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... close resumed>) = 0 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5929] <... chdir resumed>) = 0 [pid 5928] <... prctl resumed>) = 0 [pid 5927] write(3, "1000", 4 [pid 5929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5928] setpgid(0, 0 [pid 5927] <... write resumed>) = 4 [pid 4998] rmdir("./155" [pid 4996] getdents64(3, [pid 5929] <... prctl resumed>) = 0 [pid 5928] <... setpgid resumed>) = 0 [pid 5927] close(3 [pid 5926] <... openat resumed>) = 3 [pid 5929] setpgid(0, 0 [pid 5928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5927] <... close resumed>) = 0 [pid 5926] write(3, "1000", 4 [pid 4998] <... rmdir resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5929] <... setpgid resumed>) = 0 [pid 5928] <... openat resumed>) = 3 [pid 5927] symlink("/dev/binderfs", "./binderfs" [pid 5926] <... write resumed>) = 4 [pid 4998] mkdir("./156", 0777 [pid 4996] umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5928] write(3, "1000", 4 [pid 5927] <... symlink resumed>) = 0 [pid 5926] close(3 [pid 5929] <... openat resumed>) = 3 [pid 5928] <... write resumed>) = 4 [pid 5927] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] <... mkdir resumed>) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5926] <... close resumed>) = 0 [pid 5929] write(3, "1000", 4 [pid 5928] close(3 [pid 5927] <... openat resumed>) = 3 [pid 5926] symlink("/dev/binderfs", "./binderfs" [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] lstat("./143/binderfs", [pid 5929] <... write resumed>) = 4 [pid 5928] <... close resumed>) = 0 [pid 5927] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5929] close(3 [pid 5928] symlink("/dev/binderfs", "./binderfs" [pid 5927] <... mmap resumed>) = 0x20fff000 [pid 5929] <... close resumed>) = 0 [pid 5928] <... symlink resumed>) = 0 [pid 5927] exit_group(0 [pid 5926] <... symlink resumed>) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5930 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5929] symlink("/dev/binderfs", "./binderfs" [pid 5928] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5927] <... exit_group resumed>) = ? [pid 4996] unlink("./143/binderfs" [pid 5929] <... symlink resumed>) = 0 [pid 5928] <... openat resumed>) = 3 [pid 5927] +++ exited with 0 +++ [pid 5926] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5929] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5928] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4996] <... unlink resumed>) = 0 [pid 5929] <... openat resumed>) = 3 [pid 5928] <... mmap resumed>) = 0x20fff000 [pid 5926] <... openat resumed>) = 3 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5927, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] getdents64(3, ./strace-static-x86_64: Process 5930 attached [pid 5929] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5928] exit_group(0 [pid 5930] chdir("./156" [pid 5929] <... mmap resumed>) = 0x20fff000 [pid 5928] <... exit_group resumed>) = ? [pid 5926] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5930] <... chdir resumed>) = 0 [pid 5929] exit_group(0 [pid 5928] +++ exited with 0 +++ [pid 4996] close(3 [pid 5930] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5929] <... exit_group resumed>) = ? [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5928, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5930] <... prctl resumed>) = 0 [pid 5929] +++ exited with 0 +++ [pid 5926] <... mmap resumed>) = 0x20fff000 [pid 4996] <... close resumed>) = 0 [pid 4996] rmdir("./143" [pid 5002] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5929, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5930] setpgid(0, 0) = 0 [pid 5930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... rmdir resumed>) = 0 [pid 5926] exit_group(0 [pid 5002] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5930] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 [pid 5926] <... exit_group resumed>) = ? [pid 5001] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] mkdir("./144", 0777 [pid 5002] fstat(3, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5930] write(3, "1000", 4) = 4 [pid 5930] close(3) = 0 [pid 4996] <... mkdir resumed>) = 0 [pid 5930] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] getdents64(3, [pid 5000] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... openat resumed>) = 3 [pid 5930] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] fstat(3, [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5930] <... openat resumed>) = 3 [pid 5930] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5002] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] getdents64(3, [pid 5000] <... openat resumed>) = 3 [pid 5000] fstat(3, [pid 5930] exit_group(0 [pid 5002] lstat("./160/binderfs", [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5931 [pid 5930] <... exit_group resumed>) = ? [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] getdents64(3, [pid 5930] +++ exited with 0 +++ [pid 5926] +++ exited with 0 +++ [pid 5001] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5930, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5926, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] unlink("./160/binderfs" [pid 5001] lstat("./155/binderfs", [pid 5000] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 4997] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5931 attached [pid 5002] <... unlink resumed>) = 0 [pid 5931] chdir("./144" [pid 5002] getdents64(3, [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] unlink("./155/binderfs" [pid 5000] lstat("./157/binderfs", [pid 4998] <... restart_syscall resumed>) = 0 [pid 5931] <... chdir resumed>) = 0 [pid 4997] <... restart_syscall resumed>) = 0 [pid 5002] close(3 [pid 5931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] <... unlink resumed>) = 0 [pid 5931] <... prctl resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... close resumed>) = 0 [pid 5001] getdents64(3, [pid 5000] unlink("./157/binderfs" [pid 5931] setpgid(0, 0) = 0 [pid 5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] rmdir("./160" [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 4998] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5931] <... openat resumed>) = 3 [pid 5931] write(3, "1000", 4 [pid 5002] <... rmdir resumed>) = 0 [pid 5931] <... write resumed>) = 4 [pid 5931] close(3) = 0 [pid 5931] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5931] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] mkdir("./161", 0777 [pid 5001] close(3 [pid 5000] getdents64(3, [pid 4997] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5931] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5931] exit_group(0) = ? [pid 5002] <... mkdir resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... openat resumed>) = 3 [pid 4997] <... openat resumed>) = 3 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] rmdir("./155" [pid 5000] close(3 [pid 4998] fstat(3, [pid 4997] fstat(3, [pid 5931] +++ exited with 0 +++ [pid 5001] <... rmdir resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5931, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] mkdir("./156", 0777 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] rmdir("./157") = 0 [pid 4997] getdents64(3, [pid 5000] mkdir("./158", 0777./strace-static-x86_64: Process 5932 attached [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5932 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 4998] getdents64(3, [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5933 [pid 4998] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5934 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./152/binderfs", [pid 4998] lstat("./156/binderfs", [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5934 attached [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./156/binderfs" [pid 4997] unlink("./152/binderfs" [pid 5932] chdir("./161" [pid 4996] umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5934] chdir("./156" [pid 4998] <... unlink resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 4998] getdents64(3, [pid 4997] getdents64(3, [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5932] <... chdir resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4998] close(3 [pid 4997] close(3 [pid 4996] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... close resumed>) = 0 [pid 5934] <... chdir resumed>) = 0 [pid 5934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] <... close resumed>) = 0 [pid 5934] <... prctl resumed>) = 0 [pid 4996] <... openat resumed>) = 3 [pid 5932] <... prctl resumed>) = 0 [pid 4998] rmdir("./156" [pid 4997] rmdir("./152" [pid 4996] fstat(3, [pid 5934] setpgid(0, 0) = 0 [pid 5934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... rmdir resumed>) = 0 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5934] <... openat resumed>) = 3 [pid 5932] setpgid(0, 0 [pid 4998] mkdir("./157", 0777 [pid 4997] <... rmdir resumed>) = 0 [pid 4996] getdents64(3, [pid 5934] write(3, "1000", 4 [pid 5932] <... setpgid resumed>) = 0 [pid 5934] <... write resumed>) = 4 [pid 5934] close(3) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] mkdir("./153", 0777 [pid 4996] umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5934] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5934] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC./strace-static-x86_64: Process 5933 attached ) = 3 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5934] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5933] chdir("./158" [pid 5932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5935 [pid 4997] <... mkdir resumed>) = 0 [pid 4996] lstat("./144/binderfs", [pid 5934] <... mmap resumed>) = 0x20fff000 [pid 5933] <... chdir resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5934] exit_group(0 [pid 5933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5932] <... openat resumed>) = 3 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5935 attached [pid 5934] <... exit_group resumed>) = ? [pid 5933] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5936 attached [pid 5934] +++ exited with 0 +++ [pid 5933] setpgid(0, 0 [pid 5932] write(3, "1000", 4 [pid 4996] unlink("./144/binderfs" [pid 5932] <... write resumed>) = 4 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5936 [pid 5933] <... setpgid resumed>) = 0 [pid 5936] chdir("./153" [pid 5933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5932] close(3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5934, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... unlink resumed>) = 0 [pid 5936] <... chdir resumed>) = 0 [pid 5933] <... openat resumed>) = 3 [pid 5932] <... close resumed>) = 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 4996] getdents64(3, [pid 5936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5935] chdir("./157" [pid 5933] write(3, "1000", 4 [pid 5932] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... restart_syscall resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5936] <... prctl resumed>) = 0 [pid 5935] <... chdir resumed>) = 0 [pid 4996] close(3 [pid 5936] setpgid(0, 0 [pid 5935] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5933] <... write resumed>) = 4 [pid 5932] <... symlink resumed>) = 0 [pid 4996] <... close resumed>) = 0 [pid 5933] close(3 [pid 5001] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] rmdir("./144" [pid 5933] <... close resumed>) = 0 [pid 5932] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5933] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5001] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... rmdir resumed>) = 0 [pid 5933] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5932] <... openat resumed>) = 3 [pid 5933] <... openat resumed>) = 3 [pid 5001] <... openat resumed>) = 3 [pid 4996] mkdir("./145", 0777 [pid 5933] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5932] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] fstat(3, [pid 5936] <... setpgid resumed>) = 0 [pid 5933] <... mmap resumed>) = 0x20fff000 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... mkdir resumed>) = 0 [pid 5933] exit_group(0 [pid 5001] getdents64(3, [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5933] <... exit_group resumed>) = ? [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5933] +++ exited with 0 +++ [pid 5932] <... mmap resumed>) = 0x20fff000 [pid 5001] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5933, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5937 [pid 5932] exit_group(0 [pid 5001] lstat("./156/binderfs", [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5935] <... prctl resumed>) = 0 [pid 5932] <... exit_group resumed>) = ? [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./156/binderfs"./strace-static-x86_64: Process 5937 attached ) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5001] getdents64(3, 0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] close(3 [pid 5000] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... close resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] rmdir("./156" [pid 5000] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5937] chdir("./145" [pid 5000] fstat(3, [pid 5937] <... chdir resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] mkdir("./157", 0777 [pid 5000] getdents64(3, [pid 5937] <... prctl resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5937] setpgid(0, 0 [pid 5000] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5937] <... setpgid resumed>) = 0 [pid 5932] +++ exited with 0 +++ [pid 5001] <... mkdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5935] setpgid(0, 0 [pid 5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5932, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] lstat("./158/binderfs", [pid 5935] <... setpgid resumed>) = 0 [pid 5937] <... openat resumed>) = 3 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5937] write(3, "1000", 4 [pid 5000] unlink("./158/binderfs" [pid 5937] <... write resumed>) = 4 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 5937] close(3 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5938 [pid 5000] getdents64(3, [pid 5937] <... close resumed>) = 0 [pid 5935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5937] symlink("/dev/binderfs", "./binderfs" [pid 5936] <... openat resumed>) = 3 [pid 5002] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] close(3 [pid 5937] <... symlink resumed>) = 0 [pid 5936] write(3, "1000", 4 [pid 5935] <... openat resumed>) = 3 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... close resumed>) = 0 [pid 5937] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5936] <... write resumed>) = 4 [pid 5935] write(3, "1000", 4 [pid 5002] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] rmdir("./158" [pid 5937] <... openat resumed>) = 3 [pid 5936] close(3 [pid 5935] <... write resumed>) = 4 [pid 5002] <... openat resumed>) = 3 [pid 5000] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5938 attached [pid 5937] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5936] <... close resumed>) = 0 [pid 5935] close(3 [pid 5002] fstat(3, [pid 5000] mkdir("./159", 0777 [pid 5938] chdir("./157" [pid 5937] <... mmap resumed>) = 0x20fff000 [pid 5936] symlink("/dev/binderfs", "./binderfs" [pid 5935] <... close resumed>) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 5938] <... chdir resumed>) = 0 [pid 5937] exit_group(0 [pid 5002] getdents64(3, [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5939 attached [pid 5938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5937] <... exit_group resumed>) = ? [pid 5936] <... symlink resumed>) = 0 [pid 5935] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5938] <... prctl resumed>) = 0 [pid 5937] +++ exited with 0 +++ [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5939 [pid 5938] setpgid(0, 0 [pid 5936] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5938] <... setpgid resumed>) = 0 [pid 5935] <... symlink resumed>) = 0 [pid 5002] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5937, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5936] <... openat resumed>) = 3 [pid 5935] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5938] <... openat resumed>) = 3 [pid 5936] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5935] <... openat resumed>) = 3 [pid 5002] lstat("./161/binderfs", [pid 5935] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5938] write(3, "1000", 4) = 4 [pid 5938] close(3) = 0 [pid 5938] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5936] <... mmap resumed>) = 0x20fff000 [pid 5002] unlink("./161/binderfs" [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5938] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5935] <... mmap resumed>) = 0x20fff000 [pid 5938] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5936] exit_group(0 [pid 5935] exit_group(0 [pid 5002] <... unlink resumed>) = 0 [pid 4996] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] getdents64(3, [pid 5938] exit_group(0 [pid 5936] <... exit_group resumed>) = ? [pid 5935] <... exit_group resumed>) = ? [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... openat resumed>) = 3 [pid 5938] <... exit_group resumed>) = ? [pid 5002] close(3 [pid 5938] +++ exited with 0 +++ [pid 5935] +++ exited with 0 +++ [pid 5002] <... close resumed>) = 0 [pid 4996] fstat(3, [pid 5939] chdir("./159") = 0 [pid 5939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5939] setpgid(0, 0) = 0 [pid 5939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5936] +++ exited with 0 +++ [pid 5002] rmdir("./161" [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5938, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5935, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5939] <... openat resumed>) = 3 [pid 5002] <... rmdir resumed>) = 0 [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 5939] write(3, "1000", 4 [pid 5002] mkdir("./162", 0777 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5936, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] getdents64(3, [pid 4998] <... restart_syscall resumed>) = 0 [pid 5939] <... write resumed>) = 4 [pid 5939] close(3) = 0 [pid 5939] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... mkdir resumed>) = 0 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 5001] <... restart_syscall resumed>) = 0 [pid 5939] <... symlink resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... restart_syscall resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5939] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5939] <... openat resumed>) = 3 [pid 5939] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5940 [pid 5001] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5939] exit_group(0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] lstat("./145/binderfs", [pid 5001] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... openat resumed>) = 3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5939] <... exit_group resumed>) = ? [pid 5001] <... openat resumed>) = 3 [pid 5939] +++ exited with 0 +++ [pid 5001] fstat(3, [pid 4998] fstat(3, [pid 4997] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] unlink("./145/binderfs" [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5939, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5940 attached [pid 5001] getdents64(3, [pid 4998] getdents64(3, [pid 4996] <... unlink resumed>) = 0 [pid 4997] fstat(3, [pid 5940] chdir("./162" [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5940] <... chdir resumed>) = 0 [pid 5001] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] getdents64(3, [pid 5940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] getdents64(3, [pid 5940] <... prctl resumed>) = 0 [pid 5001] lstat("./157/binderfs", [pid 5000] <... openat resumed>) = 3 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5940] setpgid(0, 0 [pid 5000] fstat(3, [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5940] <... setpgid resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] lstat("./157/binderfs", [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] close(3 [pid 5940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] unlink("./157/binderfs" [pid 5000] getdents64(3, [pid 5940] <... openat resumed>) = 3 [pid 5001] <... unlink resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... close resumed>) = 0 [pid 5940] write(3, "1000", 4 [pid 5001] getdents64(3, [pid 5000] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] unlink("./157/binderfs" [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] rmdir("./145" [pid 5940] <... write resumed>) = 4 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5940] close(3 [pid 5000] lstat("./159/binderfs", [pid 4998] <... unlink resumed>) = 0 [pid 4997] lstat("./153/binderfs", [pid 5940] <... close resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... rmdir resumed>) = 0 [pid 5940] symlink("/dev/binderfs", "./binderfs" [pid 5001] close(3 [pid 5000] unlink("./159/binderfs" [pid 4998] getdents64(3, [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] mkdir("./146", 0777 [pid 5940] <... symlink resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] unlink("./153/binderfs" [pid 5940] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] getdents64(3, [pid 4996] <... mkdir resumed>) = 0 [pid 5940] <... openat resumed>) = 3 [pid 5001] rmdir("./157" [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] close(3 [pid 4997] <... unlink resumed>) = 0 [pid 5940] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] close(3 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5940] <... mmap resumed>) = 0x20fff000 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4997] getdents64(3, [pid 5940] exit_group(0 [pid 5000] rmdir("./159" [pid 5940] <... exit_group resumed>) = ? [pid 5001] mkdir("./158", 0777 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] rmdir("./157" [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5940] +++ exited with 0 +++ [pid 5000] mkdir("./160", 0777 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5941 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 4997] close(3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... rmdir resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5940, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] mkdir("./158", 0777 [pid 4997] <... close resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5942 ./strace-static-x86_64: Process 5941 attached [pid 5941] chdir("./146" [pid 4997] rmdir("./153" [pid 5941] <... chdir resumed>) = 0 [pid 5941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5941] setpgid(0, 0 [pid 4998] <... mkdir resumed>) = 0 [pid 5941] <... setpgid resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5943 [pid 4997] mkdir("./154", 0777 [pid 5941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5941] write(3, "1000", 4) = 4 [pid 5941] close(3) = 0 [pid 5941] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5944 [pid 4997] <... mkdir resumed>) = 0 [pid 5941] <... symlink resumed>) = 0 [pid 5941] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5941] <... openat resumed>) = 3 [pid 5941] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0./strace-static-x86_64: Process 5945 attached ./strace-static-x86_64: Process 5942 attached ) = 0x20fff000 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5943 attached [pid 5002] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5945 [pid 5943] chdir("./158" [pid 5002] <... openat resumed>) = 3 [pid 5943] <... chdir resumed>) = 0 [pid 5941] exit_group(0 [pid 5002] fstat(3, [pid 5943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5941] <... exit_group resumed>) = ? [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, [pid 5945] chdir("./154" [pid 5943] <... prctl resumed>) = 0 [pid 5942] chdir("./160" [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 5944 attached [pid 5943] setpgid(0, 0 [pid 5002] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5944] chdir("./158" [pid 5943] <... setpgid resumed>) = 0 [pid 5942] <... chdir resumed>) = 0 [pid 5941] +++ exited with 0 +++ [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5945] <... chdir resumed>) = 0 [pid 5944] <... chdir resumed>) = 0 [pid 5943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] lstat("./162/binderfs", [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5941, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5943] <... openat resumed>) = 3 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./162/binderfs" [pid 5944] <... prctl resumed>) = 0 [pid 5943] write(3, "1000", 4 [pid 5944] setpgid(0, 0 [pid 5943] <... write resumed>) = 4 [pid 5002] <... unlink resumed>) = 0 [pid 5002] getdents64(3, [pid 5944] <... setpgid resumed>) = 0 [pid 5943] close(3 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5943] <... close resumed>) = 0 [pid 5942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5945] <... prctl resumed>) = 0 [pid 5944] <... openat resumed>) = 3 [pid 5943] symlink("/dev/binderfs", "./binderfs" [pid 5002] close(3 [pid 5945] setpgid(0, 0 [pid 5944] write(3, "1000", 4 [pid 5943] <... symlink resumed>) = 0 [pid 5942] <... prctl resumed>) = 0 [pid 5944] <... write resumed>) = 4 [pid 5943] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5942] setpgid(0, 0 [pid 5002] <... close resumed>) = 0 [pid 5945] <... setpgid resumed>) = 0 [pid 5944] close(3 [pid 5943] <... openat resumed>) = 3 [pid 5942] <... setpgid resumed>) = 0 [pid 5002] rmdir("./162" [pid 5944] <... close resumed>) = 0 [pid 5943] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5944] symlink("/dev/binderfs", "./binderfs" [pid 5943] <... mmap resumed>) = 0x20fff000 [pid 5942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... rmdir resumed>) = 0 [pid 4996] umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5944] <... symlink resumed>) = 0 [pid 5943] exit_group(0 [pid 5002] mkdir("./163", 0777 [pid 5944] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5943] <... exit_group resumed>) = ? [pid 5942] <... openat resumed>) = 3 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5944] <... openat resumed>) = 3 [pid 5943] +++ exited with 0 +++ [pid 5942] write(3, "1000", 4 [pid 5002] <... mkdir resumed>) = 0 [pid 4996] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5944] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5945] <... openat resumed>) = 3 [pid 5944] <... mmap resumed>) = 0x20fff000 [pid 5942] <... write resumed>) = 4 [pid 4996] <... openat resumed>) = 3 [pid 5944] exit_group(0) = ? [pid 5945] write(3, "1000", 4 [pid 5944] +++ exited with 0 +++ [pid 5942] close(3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5943, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] fstat(3, [pid 5945] <... write resumed>) = 4 [pid 5942] <... close resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5946 [pid 5001] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5944, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5945] close(3 [pid 5942] symlink("/dev/binderfs", "./binderfs" [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] getdents64(3, [pid 5001] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5946 attached [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... openat resumed>) = 3 [pid 4996] umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] fstat(3, [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5946] chdir("./163" [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5942] <... symlink resumed>) = 0 [pid 4996] lstat("./146/binderfs", [pid 5945] <... close resumed>) = 0 [pid 5001] getdents64(3, [pid 5946] <... chdir resumed>) = 0 [pid 5946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] unlink("./146/binderfs" [pid 5001] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5946] <... prctl resumed>) = 0 [pid 5946] setpgid(0, 0) = 0 [pid 4996] <... unlink resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] lstat("./158/binderfs", [pid 4996] getdents64(3, [pid 5942] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5945] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] unlink("./158/binderfs" [pid 4996] close(3 [pid 5946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... openat resumed>) = 3 [pid 4996] <... close resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 4998] fstat(3, [pid 4996] rmdir("./146" [pid 5001] getdents64(3, [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5946] <... openat resumed>) = 3 [pid 5946] write(3, "1000", 4 [pid 4996] <... rmdir resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] getdents64(3, [pid 4996] mkdir("./147", 0777 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] close(3 [pid 5946] <... write resumed>) = 4 [pid 5946] close(3) = 0 [pid 5946] symlink("/dev/binderfs", "./binderfs" [pid 4996] <... mkdir resumed>) = 0 [pid 4998] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... close resumed>) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5942] <... openat resumed>) = 3 [pid 5001] rmdir("./158" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5946] <... symlink resumed>) = 0 [pid 5946] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5946] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5946] exit_group(0 [pid 4998] lstat("./158/binderfs", [pid 5946] <... exit_group resumed>) = ? [pid 5946] +++ exited with 0 +++ [pid 5945] <... symlink resumed>) = 0 [pid 5942] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... rmdir resumed>) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] mkdir("./159", 0777 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5946, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] unlink("./158/binderfs" [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5947 ./strace-static-x86_64: Process 5947 attached [pid 5001] <... mkdir resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 4998] <... unlink resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] getdents64(3, [pid 5002] <... restart_syscall resumed>) = 0 [pid 5947] chdir("./147") = 0 [pid 5947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5948 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5947] <... prctl resumed>) = 0 [pid 4998] close(3 [pid 5002] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... close resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] rmdir("./158" [pid 5002] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5947] setpgid(0, 0 [pid 4998] <... rmdir resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 4998] mkdir("./159", 0777 [pid 5002] fstat(3, [pid 5947] <... setpgid resumed>) = 0 [pid 5947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 5945] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5942] <... mmap resumed>) = 0x20fff000 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] getdents64(3, [pid 5947] <... openat resumed>) = 3 [pid 5947] write(3, "1000", 4) = 4 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5949 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./163/binderfs", [pid 5942] exit_group(0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5945] <... openat resumed>) = 3 [pid 5942] <... exit_group resumed>) = ? [pid 5002] unlink("./163/binderfs" [pid 5945] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5947] close(3 [pid 5002] <... unlink resumed>) = 0 [pid 5002] getdents64(3, 0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] close(3 [pid 5947] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5947] symlink("/dev/binderfs", "./binderfs" [pid 5002] rmdir("./163"./strace-static-x86_64: Process 5948 attached [pid 5947] <... symlink resumed>) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5942] +++ exited with 0 +++ [pid 5002] mkdir("./164", 0777 [pid 5948] chdir("./159" [pid 5947] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... mkdir resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5942, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5949 attached [pid 5945] <... mmap resumed>) = 0x20fff000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5948] <... chdir resumed>) = 0 [pid 5947] <... openat resumed>) = 3 [pid 5948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5947] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5948] <... prctl resumed>) = 0 [pid 5947] <... mmap resumed>) = 0x20fff000 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5950 [pid 5948] setpgid(0, 0 [pid 5947] exit_group(0 [pid 5948] <... setpgid resumed>) = 0 [pid 5947] <... exit_group resumed>) = ? [pid 5000] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5949] chdir("./159" [pid 5948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5947] +++ exited with 0 +++ [pid 5945] exit_group(0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5947, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... openat resumed>) = 3 [pid 5000] fstat(3, [pid 5949] <... chdir resumed>) = 0 [pid 5948] <... openat resumed>) = 3 [pid 5945] <... exit_group resumed>) = ? [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, ./strace-static-x86_64: Process 5950 attached [pid 5948] write(3, "1000", 4 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./160/binderfs", [pid 4996] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5950] chdir("./164" [pid 5948] <... write resumed>) = 4 [pid 5000] unlink("./160/binderfs" [pid 4996] <... openat resumed>) = 3 [pid 5950] <... chdir resumed>) = 0 [pid 5948] close(3 [pid 5950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5948] <... close resumed>) = 0 [pid 5950] <... prctl resumed>) = 0 [pid 5948] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... unlink resumed>) = 0 [pid 4996] fstat(3, [pid 5950] setpgid(0, 0 [pid 5948] <... symlink resumed>) = 0 [pid 5000] getdents64(3, [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5950] <... setpgid resumed>) = 0 [pid 5948] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] getdents64(3, [pid 5950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5948] <... openat resumed>) = 3 [pid 5000] close(3 [pid 5950] <... openat resumed>) = 3 [pid 5949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5948] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5945] +++ exited with 0 +++ [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5950] write(3, "1000", 4 [pid 5949] <... prctl resumed>) = 0 [pid 5948] <... mmap resumed>) = 0x20fff000 [pid 5000] <... close resumed>) = 0 [pid 4996] umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5950] <... write resumed>) = 4 [pid 5949] setpgid(0, 0 [pid 5948] exit_group(0 [pid 5000] rmdir("./160" [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5945, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5950] close(3 [pid 5949] <... setpgid resumed>) = 0 [pid 5948] <... exit_group resumed>) = ? [pid 5950] <... close resumed>) = 0 [pid 5949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5948] +++ exited with 0 +++ [pid 5000] <... rmdir resumed>) = 0 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 4996] lstat("./147/binderfs", [pid 5950] symlink("/dev/binderfs", "./binderfs" [pid 5000] mkdir("./161", 0777 [pid 4997] <... restart_syscall resumed>) = 0 [pid 5950] <... symlink resumed>) = 0 [pid 5949] <... openat resumed>) = 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5950] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5949] write(3, "1000", 4 [pid 5001] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... mkdir resumed>) = 0 [pid 4996] unlink("./147/binderfs" [pid 5950] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5949] <... write resumed>) = 4 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5950] <... mmap resumed>) = 0x20fff000 [pid 5001] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... unlink resumed>) = 0 [pid 5950] exit_group(0) = ? [pid 5950] +++ exited with 0 +++ [pid 5949] close(3 [pid 5001] <... openat resumed>) = 3 [pid 4997] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] getdents64(3, [pid 5949] <... close resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5950, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] fstat(3, [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5951 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] getdents64(3, [pid 4996] close(3./strace-static-x86_64: Process 5951 attached [pid 4997] <... openat resumed>) = 3 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] fstat(3, [pid 4996] <... close resumed>) = 0 [pid 5001] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] rmdir("./147" [pid 5002] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5949] symlink("/dev/binderfs", "./binderfs" [pid 5001] lstat("./159/binderfs", [pid 4997] getdents64(3, [pid 5951] chdir("./161" [pid 4996] <... rmdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5951] <... chdir resumed>) = 0 [pid 5951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] unlink("./159/binderfs" [pid 4997] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] mkdir("./148", 0777 [pid 5002] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5951] <... prctl resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5001] <... unlink resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5951] setpgid(0, 0) = 0 [pid 5002] fstat(3, [pid 5001] getdents64(3, [pid 4997] lstat("./154/binderfs", [pid 4996] <... mkdir resumed>) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] getdents64(3, [pid 5001] close(3 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] unlink("./154/binderfs" [pid 5002] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... close resumed>) = 0 [pid 5951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5951] write(3, "1000", 4 [pid 5949] <... symlink resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] rmdir("./159" [pid 4997] <... unlink resumed>) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5952 [pid 5002] lstat("./164/binderfs", [pid 5951] <... write resumed>) = 4 [pid 5951] close(3) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 4997] getdents64(3, [pid 5001] mkdir("./160", 0777 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5951] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5002] unlink("./164/binderfs" [pid 4997] close(3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5951] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... unlink resumed>) = 0 [pid 5951] <... openat resumed>) = 3 [pid 4997] <... close resumed>) = 0 [pid 5951] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5949] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] getdents64(3, [pid 4997] rmdir("./154"./strace-static-x86_64: Process 5952 attached [pid 5951] exit_group(0 [pid 5952] chdir("./148" [pid 5951] <... exit_group resumed>) = ? [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5953 [pid 4997] <... rmdir resumed>) = 0 [pid 5949] <... openat resumed>) = 3 [pid 5002] close(3 [pid 4997] mkdir("./155", 0777 [pid 5002] <... close resumed>) = 0 [pid 5952] <... chdir resumed>) = 0 [pid 5951] +++ exited with 0 +++ [pid 5949] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] rmdir("./164" [pid 4997] <... mkdir resumed>) = 0 [pid 5952] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5953 attached ) = 0 [pid 5953] chdir("./160" [pid 5952] setpgid(0, 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5951, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] mkdir("./165", 0777 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5953] <... chdir resumed>) = 0 [pid 5952] <... setpgid resumed>) = 0 [pid 5953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5953] <... prctl resumed>) = 0 [pid 5952] <... openat resumed>) = 3 [pid 5953] setpgid(0, 0 [pid 5952] write(3, "1000", 4 [pid 5000] <... restart_syscall resumed>) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5954 [pid 5953] <... setpgid resumed>) = 0 [pid 5952] <... write resumed>) = 4 [pid 5000] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5952] close(3 [pid 5002] <... mkdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5953] <... openat resumed>) = 3 [pid 5952] <... close resumed>) = 0 [pid 5949] <... mmap resumed>) = 0x20fff000 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5953] write(3, "1000", 4 [pid 5952] symlink("/dev/binderfs", "./binderfs" [pid 5000] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5953] <... write resumed>) = 4 [pid 5952] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5954 attached [pid 5953] close(3 [pid 5952] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5954] chdir("./155" [pid 5953] <... close resumed>) = 0 [pid 5952] <... openat resumed>) = 3 [pid 5949] exit_group(0 [pid 5000] <... openat resumed>) = 3 [pid 5954] <... chdir resumed>) = 0 [pid 5953] symlink("/dev/binderfs", "./binderfs" [pid 5952] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5955 [pid 5954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5953] <... symlink resumed>) = 0 [pid 5952] <... mmap resumed>) = 0x20fff000 [pid 5949] <... exit_group resumed>) = ? [pid 5000] fstat(3, [pid 5954] <... prctl resumed>) = 0 [pid 5953] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5952] exit_group(0 [pid 5954] setpgid(0, 0 [pid 5953] <... openat resumed>) = 3 [pid 5952] <... exit_group resumed>) = ? [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5954] <... setpgid resumed>) = 0 [pid 5953] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5952] +++ exited with 0 +++ [pid 5949] +++ exited with 0 +++ [pid 5000] getdents64(3, [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5952, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5953] <... mmap resumed>) = 0x20fff000 [pid 5954] <... openat resumed>) = 3 [pid 5953] exit_group(0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5949, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5954] write(3, "1000", 4 [pid 5953] <... exit_group resumed>) = ? [pid 5000] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5954] <... write resumed>) = 4 [pid 5953] +++ exited with 0 +++ [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5954] close(3 [pid 5000] lstat("./161/binderfs", [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5953, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] unlink("./161/binderfs" [pid 4998] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5955 attached [pid 5954] <... close resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 5955] chdir("./165" [pid 5954] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... unlink resumed>) = 0 [pid 4998] fstat(3, [pid 4996] umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5955] <... chdir resumed>) = 0 [pid 5954] <... symlink resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5954] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] getdents64(3, [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5955] <... prctl resumed>) = 0 [pid 5954] <... openat resumed>) = 3 [pid 5001] <... openat resumed>) = 3 [pid 5955] setpgid(0, 0 [pid 5954] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] fstat(3, [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] getdents64(3, [pid 4996] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5955] <... setpgid resumed>) = 0 [pid 5954] <... mmap resumed>) = 0x20fff000 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] close(3 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5954] exit_group(0 [pid 5001] getdents64(3, [pid 5000] <... close resumed>) = 0 [pid 4996] <... openat resumed>) = 3 [pid 4998] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5955] <... openat resumed>) = 3 [pid 5954] <... exit_group resumed>) = ? [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] rmdir("./161" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] fstat(3, [pid 5955] write(3, "1000", 4 [pid 5954] +++ exited with 0 +++ [pid 5001] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5955] <... write resumed>) = 4 [pid 5955] close(3) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] lstat("./159/binderfs", [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5954, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] lstat("./160/binderfs", [pid 4996] getdents64(3, [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 5000] mkdir("./162", 0777 [pid 4998] unlink("./159/binderfs" [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5955] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5955] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... mkdir resumed>) = 0 [pid 5955] <... openat resumed>) = 3 [pid 5001] unlink("./160/binderfs" [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... unlink resumed>) = 0 [pid 4997] <... restart_syscall resumed>) = 0 [pid 4996] umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5955] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5001] <... unlink resumed>) = 0 [pid 4998] getdents64(3, [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5955] exit_group(0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5955] <... exit_group resumed>) = ? [pid 5001] getdents64(3, [pid 4998] close(3 [pid 4996] lstat("./148/binderfs", [pid 5955] +++ exited with 0 +++ [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5956 [pid 4998] <... close resumed>) = 0 [pid 4997] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] close(3 [pid 4998] rmdir("./159" [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5955, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] <... close resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5956 attached [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 4998] <... rmdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] unlink("./148/binderfs" [pid 5001] rmdir("./160" [pid 4998] mkdir("./160", 0777 [pid 5956] chdir("./162") = 0 [pid 5956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5956] setpgid(0, 0) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 5956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4996] <... unlink resumed>) = 0 [pid 5956] <... openat resumed>) = 3 [pid 5001] <... rmdir resumed>) = 0 [pid 4996] getdents64(3, [pid 5956] write(3, "1000", 4) = 4 [pid 5956] close(3) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 5002] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] mkdir("./161", 0777 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] fstat(3, [pid 5956] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5002] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... mkdir resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] close(3 [pid 5956] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5956] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] <... openat resumed>) = 3 [pid 5956] <... mmap resumed>) = 0x20fff000 [pid 5002] fstat(3, [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5957 [pid 4997] getdents64(3, [pid 4996] <... close resumed>) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] rmdir("./148" [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5956] exit_group(0) = ? [pid 5002] getdents64(3, [pid 4997] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... rmdir resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] mkdir("./149", 0777 [pid 5002] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5958 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5956] +++ exited with 0 +++ ./strace-static-x86_64: Process 5957 attached [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5956, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... mkdir resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./155/binderfs", [pid 5002] lstat("./165/binderfs", [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5957] chdir("./160") = 0 [pid 5957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5957] setpgid(0, 0) = 0 [pid 5957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] unlink("./165/binderfs" [pid 4997] unlink("./155/binderfs" [pid 5002] <... unlink resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5959 [pid 5002] getdents64(3, [pid 5957] <... openat resumed>) = 3 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] getdents64(3, [pid 5002] close(3 [pid 5000] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... close resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] rmdir("./165" [pid 5000] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] close(3 [pid 5957] write(3, "1000", 4) = 4 [pid 5957] close(3) = 0 [pid 5957] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 4997] <... close resumed>) = 0 [pid 5002] mkdir("./166", 0777 [pid 5000] fstat(3, [pid 4997] rmdir("./155" [pid 5957] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... mkdir resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5957] <... openat resumed>) = 3 [pid 5957] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] getdents64(3, [pid 4997] <... rmdir resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5958 attached [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] mkdir("./156", 0777 [pid 5957] <... mmap resumed>) = 0x20fff000 [pid 5958] chdir("./161" [pid 5000] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5958] <... chdir resumed>) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5960 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] lstat("./162/binderfs", ./strace-static-x86_64: Process 5959 attached [pid 5958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5957] exit_group(0 [pid 5959] chdir("./149" [pid 5958] <... prctl resumed>) = 0 [pid 5957] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5960 attached [pid 5959] <... chdir resumed>) = 0 [pid 5958] setpgid(0, 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5961 [pid 5000] unlink("./162/binderfs" [pid 5959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5958] <... setpgid resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 5000] getdents64(3, 0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5959] <... prctl resumed>) = 0 [pid 5958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5957] +++ exited with 0 +++ [pid 5000] close(3 [pid 5959] setpgid(0, 0 [pid 5958] <... openat resumed>) = 3 [pid 5000] <... close resumed>) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5957, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] rmdir("./162" [pid 4998] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5961 attached [pid 5959] <... setpgid resumed>) = 0 [pid 5958] write(3, "1000", 4 [pid 5961] chdir("./156" [pid 5959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5958] <... write resumed>) = 4 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] <... restart_syscall resumed>) = 0 [pid 5000] mkdir("./163", 0777 [pid 5961] <... chdir resumed>) = 0 [pid 5959] <... openat resumed>) = 3 [pid 5958] close(3 [pid 5961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5959] write(3, "1000", 4 [pid 5958] <... close resumed>) = 0 [pid 5961] <... prctl resumed>) = 0 [pid 5959] <... write resumed>) = 4 [pid 5958] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... mkdir resumed>) = 0 [pid 5961] setpgid(0, 0 [pid 5960] chdir("./166" [pid 5959] close(3 [pid 5958] <... symlink resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5961] <... setpgid resumed>) = 0 [pid 5960] <... chdir resumed>) = 0 [pid 5959] <... close resumed>) = 0 [pid 5958] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5959] symlink("/dev/binderfs", "./binderfs" [pid 5958] <... openat resumed>) = 3 [pid 5961] <... openat resumed>) = 3 [pid 5960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5959] <... symlink resumed>) = 0 [pid 5958] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5961] write(3, "1000", 4 [pid 5960] <... prctl resumed>) = 0 [pid 5959] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5958] <... mmap resumed>) = 0x20fff000 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5962 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5961] <... write resumed>) = 4 [pid 5959] <... openat resumed>) = 3 [pid 5958] exit_group(0 [pid 4998] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5960] setpgid(0, 0 [pid 5961] close(3 [pid 5959] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5958] <... exit_group resumed>) = ? [pid 5961] <... close resumed>) = 0 [pid 5960] <... setpgid resumed>) = 0 [pid 5959] <... mmap resumed>) = 0x20fff000 [pid 5958] +++ exited with 0 +++ [pid 4998] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5962 attached [pid 5961] symlink("/dev/binderfs", "./binderfs" [pid 5959] exit_group(0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5958, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] fstat(3, [pid 5962] chdir("./163" [pid 5961] <... symlink resumed>) = 0 [pid 5960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5959] <... exit_group resumed>) = ? [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5962] <... chdir resumed>) = 0 [pid 5961] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5960] <... openat resumed>) = 3 [pid 5959] +++ exited with 0 +++ [pid 5962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5961] <... openat resumed>) = 3 [pid 5960] write(3, "1000", 4 [pid 4998] getdents64(3, [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5959, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5962] <... prctl resumed>) = 0 [pid 5961] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5962] setpgid(0, 0 [pid 5961] <... mmap resumed>) = 0x20fff000 [pid 5960] <... write resumed>) = 4 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5962] <... setpgid resumed>) = 0 [pid 5961] exit_group(0 [pid 5960] close(3 [pid 5001] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5961] <... exit_group resumed>) = ? [pid 5962] <... openat resumed>) = 3 [pid 5961] +++ exited with 0 +++ [pid 5960] <... close resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5960] symlink("/dev/binderfs", "./binderfs" [pid 5001] fstat(3, [pid 4998] lstat("./160/binderfs", [pid 4996] umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5961, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] getdents64(3, [pid 4998] unlink("./160/binderfs" [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 4996] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5962] write(3, "1000", 4) = 4 [pid 5962] close(3 [pid 4998] <... unlink resumed>) = 0 [pid 4997] <... restart_syscall resumed>) = 0 [pid 5962] <... close resumed>) = 0 [pid 5001] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] getdents64(3, [pid 4996] <... openat resumed>) = 3 [pid 5962] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5962] <... symlink resumed>) = 0 [pid 5960] <... symlink resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] fstat(3, [pid 5962] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] lstat("./161/binderfs", [pid 4998] close(3 [pid 4997] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5962] <... openat resumed>) = 3 [pid 5960] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5962] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] unlink("./161/binderfs" [pid 4998] <... close resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] getdents64(3, [pid 5962] <... mmap resumed>) = 0x20fff000 [pid 5960] <... openat resumed>) = 3 [pid 5962] exit_group(0 [pid 5001] <... unlink resumed>) = 0 [pid 4998] rmdir("./160" [pid 4997] <... openat resumed>) = 3 [pid 5962] <... exit_group resumed>) = ? [pid 5960] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] getdents64(3, [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5962] +++ exited with 0 +++ [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 4997] fstat(3, [pid 4996] umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] close(3 [pid 4998] mkdir("./161", 0777 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... close resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5962, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] getdents64(3, 0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] rmdir("./161" [pid 4998] <... mkdir resumed>) = 0 [pid 4997] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] lstat("./149/binderfs", [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... rmdir resumed>) = 0 [pid 4997] lstat("./156/binderfs", [pid 5001] mkdir("./162", 0777 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] unlink("./156/binderfs" [pid 5001] <... mkdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... unlink resumed>) = 0 [pid 4996] unlink("./149/binderfs" [pid 4997] getdents64(3, 0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] close(3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5963 [pid 4997] <... close resumed>) = 0 [pid 4996] <... unlink resumed>) = 0 [pid 5960] <... mmap resumed>) = 0x20fff000 [pid 4997] rmdir("./156" [pid 5000] <... openat resumed>) = 3 [pid 4997] <... rmdir resumed>) = 0 [pid 4996] getdents64(3, ./strace-static-x86_64: Process 5964 attached [pid 5960] exit_group(0 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5964 [pid 5000] fstat(3, [pid 4997] mkdir("./157", 0777 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5964] chdir("./162" [pid 5960] <... exit_group resumed>) = ? [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] close(3 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5965 [pid 5000] getdents64(3, [pid 4996] <... close resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5960] +++ exited with 0 +++ ./strace-static-x86_64: Process 5963 attached [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5960, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] rmdir("./149" [pid 5964] <... chdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5963] chdir("./161" [pid 5000] lstat("./163/binderfs", [pid 4996] <... rmdir resumed>) = 0 [pid 5964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5963] <... chdir resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] mkdir("./150", 0777 [pid 5964] <... prctl resumed>) = 0 [pid 5963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] unlink("./163/binderfs" [pid 5963] <... prctl resumed>) = 0 [pid 5963] setpgid(0, 0) = 0 [pid 4996] <... mkdir resumed>) = 0 [pid 5964] setpgid(0, 0 [pid 5963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... unlink resumed>) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5964] <... setpgid resumed>) = 0 [pid 5000] getdents64(3, [pid 5963] <... openat resumed>) = 3 [pid 5963] write(3, "1000", 4) = 4 [pid 5963] close(3) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5963] symlink("/dev/binderfs", "./binderfs" [pid 5002] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] close(3 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5966 [pid 5963] <... symlink resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... close resumed>) = 0 [pid 5002] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] rmdir("./163" [pid 5964] <... openat resumed>) = 3 [pid 5002] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5965 attached [pid 5963] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5965] chdir("./157" [pid 5964] write(3, "1000", 4 [pid 5963] <... openat resumed>) = 3 [pid 5002] fstat(3, [pid 5000] <... rmdir resumed>) = 0 [pid 5965] <... chdir resumed>) = 0 [pid 5964] <... write resumed>) = 4 [pid 5963] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] mkdir("./164", 0777./strace-static-x86_64: Process 5966 attached [pid 5965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5964] close(3 [pid 5963] <... mmap resumed>) = 0x20fff000 [pid 5002] getdents64(3, [pid 5966] chdir("./150" [pid 5965] <... prctl resumed>) = 0 [pid 5964] <... close resumed>) = 0 [pid 5963] exit_group(0 [pid 5000] <... mkdir resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5966] <... chdir resumed>) = 0 [pid 5965] setpgid(0, 0 [pid 5964] symlink("/dev/binderfs", "./binderfs" [pid 5963] <... exit_group resumed>) = ? [pid 5002] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5965] <... setpgid resumed>) = 0 [pid 5964] <... symlink resumed>) = 0 [pid 5963] +++ exited with 0 +++ [pid 5966] <... prctl resumed>) = 0 [pid 5965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5966] setpgid(0, 0 [pid 5965] <... openat resumed>) = 3 [pid 5966] <... setpgid resumed>) = 0 [pid 5965] write(3, "1000", 4 [pid 5966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5965] <... write resumed>) = 4 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5966] <... openat resumed>) = 3 [pid 5965] close(3 [pid 5966] write(3, "1000", 4 [pid 5965] <... close resumed>) = 0 [pid 5966] <... write resumed>) = 4 [pid 5965] symlink("/dev/binderfs", "./binderfs" [pid 5966] close(3 [pid 5965] <... symlink resumed>) = 0 [pid 5964] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] lstat("./166/binderfs", [pid 5966] <... close resumed>) = 0 [pid 5965] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5966] symlink("/dev/binderfs", "./binderfs" [pid 5965] <... openat resumed>) = 3 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5967 [pid 5002] unlink("./166/binderfs" [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5963, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5964] <... openat resumed>) = 3 [pid 5966] <... symlink resumed>) = 0 [pid 5965] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5966] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5965] <... mmap resumed>) = 0x20fff000 [pid 5964] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] <... unlink resumed>) = 0 [pid 4998] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5966] <... openat resumed>) = 3 [pid 5965] exit_group(0 [pid 5002] getdents64(3, [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5967 attached [pid 5966] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5965] <... exit_group resumed>) = ? [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5967] chdir("./164" [pid 5966] <... mmap resumed>) = 0x20fff000 [pid 5965] +++ exited with 0 +++ [pid 5964] <... mmap resumed>) = 0x20fff000 [pid 5002] close(3 [pid 4998] <... openat resumed>) = 3 [pid 5967] <... chdir resumed>) = 0 [pid 5966] exit_group(0 [pid 5967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5966] <... exit_group resumed>) = ? [pid 5002] <... close resumed>) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5965, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] fstat(3, [pid 5967] <... prctl resumed>) = 0 [pid 5966] +++ exited with 0 +++ [pid 5964] exit_group(0 [pid 5002] rmdir("./166" [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5964] <... exit_group resumed>) = ? [pid 5967] setpgid(0, 0) = 0 [pid 5967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... rmdir resumed>) = 0 [pid 4998] getdents64(3, [pid 5002] mkdir("./167", 0777 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5966, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5967] <... openat resumed>) = 3 [pid 5967] write(3, "1000", 4 [pid 5002] <... mkdir resumed>) = 0 [pid 4998] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5967] <... write resumed>) = 4 [pid 5967] close(3) = 0 [pid 5967] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5967] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 4998] lstat("./161/binderfs", [pid 4997] <... openat resumed>) = 3 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5968 [pid 4996] <... restart_syscall resumed>) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] fstat(3, [pid 5967] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4996] umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] unlink("./161/binderfs" [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5967] <... mmap resumed>) = 0x20fff000 [pid 4998] <... unlink resumed>) = 0 [pid 4997] getdents64(3, [pid 4996] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5967] exit_group(0 [pid 4998] getdents64(3, [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5967] <... exit_group resumed>) = ? [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... openat resumed>) = 3 [pid 5967] +++ exited with 0 +++ [pid 5964] +++ exited with 0 +++ [pid 4998] close(3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] fstat(3, [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5964, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5967, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... close resumed>) = 0 [pid 4998] rmdir("./161" [pid 4997] lstat("./157/binderfs", [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5968 attached [pid 5968] chdir("./167" [pid 4998] <... rmdir resumed>) = 0 [pid 4996] getdents64(3, [pid 4998] mkdir("./162", 0777 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5968] <... chdir resumed>) = 0 [pid 5968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5968] setpgid(0, 0 [pid 4998] <... mkdir resumed>) = 0 [pid 4996] umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] unlink("./157/binderfs" [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5968] <... setpgid resumed>) = 0 [pid 5001] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... unlink resumed>) = 0 [pid 4996] lstat("./150/binderfs", [pid 5968] <... openat resumed>) = 3 [pid 5968] write(3, "1000", 4) = 4 [pid 5968] close(3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5968] <... close resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 4996] unlink("./150/binderfs" [pid 4997] getdents64(3, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] fstat(3, [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5969 [pid 5968] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5001] getdents64(3, [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... unlink resumed>) = 0 [pid 5968] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] getdents64(3, [pid 4997] close(3 [pid 4996] getdents64(3, [pid 5968] <... openat resumed>) = 3 [pid 5001] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5968] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... close resumed>) = 0 [pid 5000] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5969 attached [pid 5968] <... mmap resumed>) = 0x20fff000 [pid 5001] lstat("./162/binderfs", [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] rmdir("./157" [pid 4996] close(3 [pid 5969] chdir("./162" [pid 5968] exit_group(0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] lstat("./164/binderfs", [pid 5969] <... chdir resumed>) = 0 [pid 5968] <... exit_group resumed>) = ? [pid 5969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5968] +++ exited with 0 +++ [pid 5001] unlink("./162/binderfs" [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 4996] <... close resumed>) = 0 [pid 5969] <... prctl resumed>) = 0 [pid 5969] setpgid(0, 0 [pid 5001] <... unlink resumed>) = 0 [pid 5000] unlink("./164/binderfs" [pid 4996] rmdir("./150" [pid 5001] getdents64(3, [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5968, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] mkdir("./158", 0777 [pid 5000] <... unlink resumed>) = 0 [pid 5969] <... setpgid resumed>) = 0 [pid 5969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4996] <... rmdir resumed>) = 0 [pid 5000] getdents64(3, [pid 5969] <... openat resumed>) = 3 [pid 5002] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 4996] mkdir("./151", 0777 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5969] write(3, "1000", 4 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] close(3 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5969] <... write resumed>) = 4 [pid 5002] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... close resumed>) = 0 [pid 5000] close(3 [pid 4996] <... mkdir resumed>) = 0 [pid 5969] close(3) = 0 [pid 5969] symlink("/dev/binderfs", "./binderfs" [pid 5001] rmdir("./162" [pid 5000] <... close resumed>) = 0 ./strace-static-x86_64: Process 5970 attached [pid 5969] <... symlink resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5969] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5002] fstat(3, [pid 5001] <... rmdir resumed>) = 0 [pid 5000] rmdir("./164" [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5970 [pid 5969] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5969] exit_group(0) = ? [pid 5000] <... rmdir resumed>) = 0 [pid 5002] getdents64(3, [pid 5970] chdir("./158" [pid 5969] +++ exited with 0 +++ [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] mkdir("./163", 0777 [pid 5000] mkdir("./165", 0777 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5971 [pid 5002] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5971 attached [pid 5971] chdir("./151" [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... mkdir resumed>) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5969, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5971] <... chdir resumed>) = 0 [pid 5971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] <... mkdir resumed>) = 0 [pid 5002] lstat("./167/binderfs", [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... restart_syscall resumed>) = 0 [pid 5971] <... prctl resumed>) = 0 [pid 5971] setpgid(0, 0) = 0 [pid 5971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5002] unlink("./167/binderfs" [pid 5971] write(3, "1000", 4) = 4 [pid 5971] close(3) = 0 [pid 5971] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5971] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5970] <... chdir resumed>) = 0 [pid 5002] <... unlink resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5973 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5972 [pid 4998] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] getdents64(3, 0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5970] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] close(3 [pid 4998] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5971] <... openat resumed>) = 3 [pid 5970] <... prctl resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5002] rmdir("./167" [pid 4998] <... openat resumed>) = 3 [pid 5970] setpgid(0, 0 [pid 5971] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5970] <... setpgid resumed>) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 4998] fstat(3, [pid 5002] mkdir("./168", 0777 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5972 attached [pid 5971] exit_group(0 [pid 5972] chdir("./165" [pid 5971] <... exit_group resumed>) = ? [pid 5002] <... mkdir resumed>) = 0 [pid 4998] getdents64(3, [pid 5970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 5973 attached [pid 5972] <... chdir resumed>) = 0 [pid 5971] +++ exited with 0 +++ [pid 5970] <... openat resumed>) = 3 [pid 4998] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5970] write(3, "1000", 4 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5974 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] lstat("./162/binderfs", [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5971, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5970] <... write resumed>) = 4 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5970] close(3 [pid 4998] unlink("./162/binderfs" [pid 5973] chdir("./163" [pid 5972] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5970] <... close resumed>) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4996] umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5970] symlink("/dev/binderfs", "./binderfs" [pid 4998] getdents64(3, [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] close(3 [pid 4996] <... openat resumed>) = 3 [pid 4996] fstat(3, [pid 4998] <... close resumed>) = 0 ./strace-static-x86_64: Process 5974 attached [pid 5973] <... chdir resumed>) = 0 [pid 5972] <... prctl resumed>) = 0 [pid 4998] rmdir("./162" [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5974] chdir("./168" [pid 5973] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5972] setpgid(0, 0 [pid 5970] <... symlink resumed>) = 0 [pid 5974] <... chdir resumed>) = 0 [pid 5973] <... prctl resumed>) = 0 [pid 5972] <... setpgid resumed>) = 0 [pid 5974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5973] setpgid(0, 0 [pid 5972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5970] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] <... rmdir resumed>) = 0 [pid 4996] getdents64(3, [pid 5974] <... prctl resumed>) = 0 [pid 5973] <... setpgid resumed>) = 0 [pid 5972] <... openat resumed>) = 3 [pid 4998] mkdir("./163", 0777 [pid 5974] setpgid(0, 0 [pid 5973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5972] write(3, "1000", 4 [pid 5970] <... openat resumed>) = 3 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5974] <... setpgid resumed>) = 0 [pid 5973] <... openat resumed>) = 3 [pid 5972] <... write resumed>) = 4 [pid 4998] <... mkdir resumed>) = 0 [pid 5970] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4996] umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5973] write(3, "1000", 4 [pid 5972] close(3 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5974] <... openat resumed>) = 3 [pid 5973] <... write resumed>) = 4 [pid 5972] <... close resumed>) = 0 [pid 5970] <... mmap resumed>) = 0x20fff000 [pid 5974] write(3, "1000", 4 [pid 5973] close(3 [pid 5972] symlink("/dev/binderfs", "./binderfs" [pid 5974] <... write resumed>) = 4 [pid 5973] <... close resumed>) = 0 [pid 5972] <... symlink resumed>) = 0 [pid 4996] lstat("./151/binderfs", [pid 5974] close(3 [pid 5973] symlink("/dev/binderfs", "./binderfs" [pid 5972] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5970] exit_group(0 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5975 [pid 5974] <... close resumed>) = 0 [pid 5973] <... symlink resumed>) = 0 [pid 5972] <... openat resumed>) = 3 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5974] symlink("/dev/binderfs", "./binderfs" [pid 5973] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5972] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5970] <... exit_group resumed>) = ? [pid 4996] unlink("./151/binderfs" [pid 5974] <... symlink resumed>) = 0 [pid 5973] <... openat resumed>) = 3 [pid 5972] <... mmap resumed>) = 0x20fff000 [pid 5974] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5973] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5972] exit_group(0 [pid 4996] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5975 attached [pid 5974] <... openat resumed>) = 3 [pid 5973] <... mmap resumed>) = 0x20fff000 [pid 5972] <... exit_group resumed>) = ? [pid 5970] +++ exited with 0 +++ [pid 4996] getdents64(3, [pid 5975] chdir("./163" [pid 5974] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5973] exit_group(0 [pid 5972] +++ exited with 0 +++ [pid 5975] <... chdir resumed>) = 0 [pid 5974] <... mmap resumed>) = 0x20fff000 [pid 5973] <... exit_group resumed>) = ? [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5972, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5970, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5974] exit_group(0 [pid 5973] +++ exited with 0 +++ [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 5975] <... prctl resumed>) = 0 [pid 5974] <... exit_group resumed>) = ? [pid 4996] close(3 [pid 5975] setpgid(0, 0 [pid 5974] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5973, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] <... restart_syscall resumed>) = 0 [pid 4996] <... close resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5974, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] rmdir("./151" [pid 5975] <... setpgid resumed>) = 0 [pid 5975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5001] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... rmdir resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] mkdir("./152", 0777 [pid 5000] <... openat resumed>) = 3 [pid 4997] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... openat resumed>) = 3 [pid 5000] fstat(3, [pid 5975] write(3, "1000", 4) = 4 [pid 5975] close(3) = 0 [pid 5975] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5001] fstat(3, [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... openat resumed>) = 3 [pid 4996] <... mkdir resumed>) = 0 [pid 5975] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, [pid 4997] fstat(3, [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5975] <... openat resumed>) = 3 [pid 5975] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5001] getdents64(3, [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5975] exit_group(0) = ? [pid 5975] +++ exited with 0 +++ [pid 5002] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5975, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] getdents64(3, [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5976 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./165/binderfs", [pid 5002] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5976 attached [pid 5001] lstat("./163/binderfs", [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] fstat(3, [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./165/binderfs" [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] unlink("./163/binderfs" [pid 5976] chdir("./152" [pid 5000] <... unlink resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] lstat("./158/binderfs", [pid 5976] <... chdir resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 5976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... openat resumed>) = 3 [pid 5002] getdents64(3, [pid 4998] fstat(3, [pid 4997] unlink("./158/binderfs" [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5976] <... prctl resumed>) = 0 [pid 5976] setpgid(0, 0 [pid 4997] <... unlink resumed>) = 0 [pid 5002] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] getdents64(3, [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] getdents64(3, [pid 5002] lstat("./168/binderfs", [pid 5000] getdents64(3, [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] getdents64(3, [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] close(3 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] unlink("./168/binderfs" [pid 5001] <... close resumed>) = 0 [pid 5000] close(3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] close(3 [pid 5976] <... setpgid resumed>) = 0 [pid 5976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... unlink resumed>) = 0 [pid 5001] rmdir("./163" [pid 5000] <... close resumed>) = 0 [pid 4998] lstat("./163/binderfs", [pid 4997] <... close resumed>) = 0 [pid 5002] getdents64(3, [pid 5976] <... openat resumed>) = 3 [pid 5976] write(3, "1000", 4) = 4 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] rmdir("./165" [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] rmdir("./158" [pid 5976] close(3) = 0 [pid 5976] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... rmdir resumed>) = 0 [pid 5976] <... symlink resumed>) = 0 [pid 5976] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] mkdir("./166", 0777 [pid 4998] unlink("./163/binderfs" [pid 4997] <... rmdir resumed>) = 0 [pid 5001] mkdir("./164", 0777 [pid 5002] close(3 [pid 5976] <... openat resumed>) = 3 [pid 5000] <... mkdir resumed>) = 0 [pid 5976] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] <... unlink resumed>) = 0 [pid 4997] mkdir("./159", 0777 [pid 5002] <... close resumed>) = 0 [pid 5976] <... mmap resumed>) = 0x20fff000 [pid 5001] <... mkdir resumed>) = 0 [pid 4998] getdents64(3, [pid 4997] <... mkdir resumed>) = 0 [pid 5976] exit_group(0 [pid 5002] rmdir("./168" [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5976] <... exit_group resumed>) = ? [pid 5976] +++ exited with 0 +++ [pid 5002] <... rmdir resumed>) = 0 [pid 4998] close(3./strace-static-x86_64: Process 5977 attached [pid 5977] chdir("./159") = 0 [pid 5977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5977] setpgid(0, 0 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5976, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... close resumed>) = 0 [pid 5002] mkdir("./169", 0777 [pid 4998] rmdir("./163" [pid 5977] <... setpgid resumed>) = 0 [pid 5977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5977] write(3, "1000", 4) = 4 [pid 5977] close(3) = 0 [pid 5977] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... rmdir resumed>) = 0 [pid 4996] umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5977] <... symlink resumed>) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 4998] mkdir("./164", 0777 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5979 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5978 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5977 [pid 5977] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] <... mkdir resumed>) = 0 [pid 4996] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5977] <... openat resumed>) = 3 [pid 5977] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4996] <... openat resumed>) = 3 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] fstat(3, [pid 5977] <... mmap resumed>) = 0x20fff000 ./strace-static-x86_64: Process 5978 attached [pid 5977] exit_group(0) = ? [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5980 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5981 [pid 4996] getdents64(3, ./strace-static-x86_64: Process 5980 attached 0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5978] chdir("./166" [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] lstat("./152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] unlink("./152/binderfs" [pid 5978] <... chdir resumed>) = 0 [pid 5978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5978] setpgid(0, 0 [pid 4996] <... unlink resumed>) = 0 [pid 4996] getdents64(3, 0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] close(3 [pid 5978] <... setpgid resumed>) = 0 [pid 4996] <... close resumed>) = 0 [pid 5978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4996] rmdir("./152"./strace-static-x86_64: Process 5979 attached [pid 5979] chdir("./164") = 0 [pid 5978] <... openat resumed>) = 3 [pid 4996] <... rmdir resumed>) = 0 [pid 5979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5978] write(3, "1000", 4 [pid 5977] +++ exited with 0 +++ [pid 4996] mkdir("./153", 0777 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5977, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5979] <... prctl resumed>) = 0 [pid 5978] <... write resumed>) = 4 [pid 5979] setpgid(0, 0 [pid 5978] close(3 [pid 5979] <... setpgid resumed>) = 0 [pid 5978] <... close resumed>) = 0 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 4996] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5981 attached [pid 5979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5978] symlink("/dev/binderfs", "./binderfs" [pid 4997] <... restart_syscall resumed>) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5980] chdir("./169" [pid 5981] chdir("./164" [pid 5979] <... openat resumed>) = 3 [pid 5978] <... symlink resumed>) = 0 [pid 4997] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5980] <... chdir resumed>) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5982 [pid 5980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5980] <... prctl resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5980] setpgid(0, 0 [pid 4997] <... openat resumed>) = 3 [pid 5980] <... setpgid resumed>) = 0 [pid 4997] fstat(3, [pid 5981] <... chdir resumed>) = 0 [pid 5979] write(3, "1000", 4 [pid 5978] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5979] <... write resumed>) = 4 [pid 5978] <... openat resumed>) = 3 [pid 5981] <... prctl resumed>) = 0 [pid 5979] close(3 [pid 5978] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4997] getdents64(3, ./strace-static-x86_64: Process 5982 attached [pid 5981] setpgid(0, 0 [pid 5980] <... openat resumed>) = 3 [pid 5979] <... close resumed>) = 0 [pid 5978] <... mmap resumed>) = 0x20fff000 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5982] chdir("./153" [pid 5981] <... setpgid resumed>) = 0 [pid 5980] write(3, "1000", 4 [pid 5979] symlink("/dev/binderfs", "./binderfs" [pid 5978] exit_group(0 [pid 5982] <... chdir resumed>) = 0 [pid 5981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5980] <... write resumed>) = 4 [pid 5979] <... symlink resumed>) = 0 [pid 5978] <... exit_group resumed>) = ? [pid 4997] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5981] <... openat resumed>) = 3 [pid 5980] close(3 [pid 5979] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5978] +++ exited with 0 +++ [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5982] <... prctl resumed>) = 0 [pid 5981] write(3, "1000", 4 [pid 5979] <... openat resumed>) = 3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5978, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] lstat("./159/binderfs", [pid 5982] setpgid(0, 0 [pid 5981] <... write resumed>) = 4 [pid 5980] <... close resumed>) = 0 [pid 5979] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5982] <... setpgid resumed>) = 0 [pid 5981] close(3 [pid 5980] symlink("/dev/binderfs", "./binderfs" [pid 5979] <... mmap resumed>) = 0x20fff000 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5981] <... close resumed>) = 0 [pid 5979] exit_group(0 [pid 4997] unlink("./159/binderfs" [pid 5982] <... openat resumed>) = 3 [pid 5981] symlink("/dev/binderfs", "./binderfs" [pid 5980] <... symlink resumed>) = 0 [pid 5979] <... exit_group resumed>) = ? [pid 5982] write(3, "1000", 4 [pid 5981] <... symlink resumed>) = 0 [pid 5980] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5979] +++ exited with 0 +++ [pid 5000] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... unlink resumed>) = 0 [pid 5982] <... write resumed>) = 4 [pid 5981] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] getdents64(3, [pid 5982] close(3 [pid 5981] <... openat resumed>) = 3 [pid 5980] <... openat resumed>) = 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5979, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5982] <... close resumed>) = 0 [pid 5981] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5980] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5982] symlink("/dev/binderfs", "./binderfs" [pid 5981] <... mmap resumed>) = 0x20fff000 [pid 5000] <... openat resumed>) = 3 [pid 4997] close(3 [pid 5982] <... symlink resumed>) = 0 [pid 5981] exit_group(0 [pid 5980] <... mmap resumed>) = 0x20fff000 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5000] fstat(3, [pid 4997] <... close resumed>) = 0 [pid 5982] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5981] <... exit_group resumed>) = ? [pid 5980] exit_group(0 [pid 5982] <... openat resumed>) = 3 [pid 5981] +++ exited with 0 +++ [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] rmdir("./159" [pid 5982] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5980] <... exit_group resumed>) = ? [pid 5000] getdents64(3, [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5981, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5982] <... mmap resumed>) = 0x20fff000 [pid 5001] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... rmdir resumed>) = 0 [pid 5982] exit_group(0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] mkdir("./160", 0777 [pid 5982] <... exit_group resumed>) = ? [pid 5001] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5982] +++ exited with 0 +++ [pid 4997] <... mkdir resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] fstat(3, [pid 5000] lstat("./166/binderfs", [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5982, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5980] +++ exited with 0 +++ [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4996] umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5983 attached [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5980, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] lstat("./164/binderfs", [pid 5000] unlink("./166/binderfs" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5983 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5983] chdir("./160" [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./164/binderfs") = 0 [pid 5000] <... unlink resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5983] <... chdir resumed>) = 0 [pid 5002] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] getdents64(3, [pid 5000] getdents64(3, [pid 4998] <... openat resumed>) = 3 [pid 5983] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] fstat(3, [pid 4996] <... openat resumed>) = 3 [pid 5983] <... prctl resumed>) = 0 [pid 5002] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] close(3 [pid 5000] close(3 [pid 5002] <... openat resumed>) = 3 [pid 5001] <... close resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] fstat(3, [pid 5983] setpgid(0, 0 [pid 5002] fstat(3, [pid 5001] rmdir("./164" [pid 5000] <... close resumed>) = 0 [pid 4998] getdents64(3, [pid 5983] <... setpgid resumed>) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] rmdir("./166" [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, [pid 5001] mkdir("./165", 0777 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 4996] getdents64(3, [pid 4998] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] mkdir("./167", 0777 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5983] <... openat resumed>) = 3 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5984 [pid 5983] write(3, "1000", 4 [pid 5002] lstat("./169/binderfs", [pid 5000] <... mkdir resumed>) = 0 [pid 4998] lstat("./164/binderfs", [pid 4996] umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5983] <... write resumed>) = 4 [pid 5002] unlink("./169/binderfs" [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5984 attached [pid 5984] chdir("./165") = 0 [pid 5984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4996] lstat("./153/binderfs", [pid 4998] unlink("./164/binderfs" [pid 5984] setpgid(0, 0 [pid 5002] <... unlink resumed>) = 0 [pid 5984] <... setpgid resumed>) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5983] close(3 [pid 5002] getdents64(3, [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5985 [pid 4998] <... unlink resumed>) = 0 [pid 4996] unlink("./153/binderfs" [pid 5984] <... openat resumed>) = 3 [pid 5983] <... close resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] getdents64(3, [pid 5984] write(3, "1000", 4 [pid 5002] close(3 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... unlink resumed>) = 0 [pid 5983] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... close resumed>) = 0 [pid 4998] close(3 [pid 5002] rmdir("./169" [pid 4996] getdents64(3, [pid 4998] <... close resumed>) = 0 [pid 5984] <... write resumed>) = 4 [pid 5984] close(3) = 0 [pid 5984] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... rmdir resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] rmdir("./164"./strace-static-x86_64: Process 5985 attached [pid 5984] <... symlink resumed>) = 0 [pid 5983] <... symlink resumed>) = 0 [pid 4996] close(3 [pid 5985] chdir("./167" [pid 5984] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5983] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] mkdir("./170", 0777 [pid 4998] <... rmdir resumed>) = 0 [pid 5985] <... chdir resumed>) = 0 [pid 5984] <... openat resumed>) = 3 [pid 5002] <... mkdir resumed>) = 0 [pid 5983] <... openat resumed>) = 3 [pid 4996] <... close resumed>) = 0 [pid 5985] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5984] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] mkdir("./165", 0777 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] rmdir("./153" [pid 5985] <... prctl resumed>) = 0 [pid 5984] <... mmap resumed>) = 0x20fff000 [pid 5983] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5985] setpgid(0, 0 [pid 5984] exit_group(0 [pid 4998] <... mkdir resumed>) = 0 [pid 5985] <... setpgid resumed>) = 0 [pid 5984] <... exit_group resumed>) = ? [pid 5985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5984] +++ exited with 0 +++ [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... rmdir resumed>) = 0 [pid 5985] <... openat resumed>) = 3 [pid 5983] <... mmap resumed>) = 0x20fff000 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5986 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5984, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5985] write(3, "1000", 4) = 4 [pid 5985] close(3) = 0 [pid 5985] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4996] mkdir("./154", 0777 [pid 5983] exit_group(0 [pid 5985] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5983] <... exit_group resumed>) = ? [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5987 [pid 4996] <... mkdir resumed>) = 0 [pid 5985] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5985] <... mmap resumed>) = 0x20fff000 [pid 5001] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5985] exit_group(0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5985] <... exit_group resumed>) = ? [pid 5001] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5985] +++ exited with 0 +++ [pid 5983] +++ exited with 0 +++ [pid 5001] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5986 attached [pid 5001] fstat(3, ./strace-static-x86_64: Process 5988 attached [pid 5986] chdir("./170" [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5983, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5988 ./strace-static-x86_64: Process 5987 attached [pid 5986] <... chdir resumed>) = 0 [pid 5001] getdents64(3, [pid 5987] chdir("./165" [pid 5986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5988] chdir("./154" [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5985, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5987] <... chdir resumed>) = 0 [pid 5986] <... prctl resumed>) = 0 [pid 5001] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5987] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5986] setpgid(0, 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5987] <... prctl resumed>) = 0 [pid 5986] <... setpgid resumed>) = 0 [pid 5001] lstat("./165/binderfs", [pid 5987] setpgid(0, 0 [pid 5986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5988] <... chdir resumed>) = 0 [pid 5987] <... setpgid resumed>) = 0 [pid 5986] <... openat resumed>) = 3 [pid 5001] unlink("./165/binderfs" [pid 5988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5986] write(3, "1000", 4 [pid 5001] <... unlink resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5988] <... prctl resumed>) = 0 [pid 5987] <... openat resumed>) = 3 [pid 5986] <... write resumed>) = 4 [pid 5001] getdents64(3, [pid 5987] write(3, "1000", 4 [pid 5986] close(3 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5988] setpgid(0, 0 [pid 5987] <... write resumed>) = 4 [pid 5986] <... close resumed>) = 0 [pid 5001] close(3 [pid 5987] close(3 [pid 5986] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... close resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5988] <... setpgid resumed>) = 0 [pid 5987] <... close resumed>) = 0 [pid 5986] <... symlink resumed>) = 0 [pid 5001] rmdir("./165" [pid 5000] fstat(3, [pid 5987] symlink("/dev/binderfs", "./binderfs" [pid 5986] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... rmdir resumed>) = 0 [pid 5988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5987] <... symlink resumed>) = 0 [pid 5986] <... openat resumed>) = 3 [pid 5001] mkdir("./166", 0777 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5988] <... openat resumed>) = 3 [pid 5987] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5986] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] getdents64(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5988] write(3, "1000", 4 [pid 5987] <... openat resumed>) = 3 [pid 5986] <... mmap resumed>) = 0x20fff000 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5988] <... write resumed>) = 4 [pid 5987] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5986] exit_group(0 [pid 4997] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5989 attached [pid 5988] close(3 [pid 5987] <... mmap resumed>) = 0x20fff000 [pid 5986] <... exit_group resumed>) = ? [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5989 [pid 5000] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5989] chdir("./166" [pid 5988] <... close resumed>) = 0 [pid 5987] exit_group(0 [pid 5986] +++ exited with 0 +++ [pid 4997] <... openat resumed>) = 3 [pid 5987] <... exit_group resumed>) = ? [pid 5989] <... chdir resumed>) = 0 [pid 5988] symlink("/dev/binderfs", "./binderfs" [pid 5987] +++ exited with 0 +++ [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] fstat(3, [pid 5989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5989] setpgid(0, 0) = 0 [pid 5989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] lstat("./167/binderfs", [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5986, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5987, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5989] <... openat resumed>) = 3 [pid 5988] <... symlink resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 5002] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] getdents64(3, [pid 5000] unlink("./167/binderfs" [pid 4998] <... restart_syscall resumed>) = 0 [pid 5989] write(3, "1000", 4) = 4 [pid 5989] close(3) = 0 [pid 5989] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] <... unlink resumed>) = 0 [pid 5989] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4997] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] getdents64(3, [pid 5988] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... openat resumed>) = 3 [pid 5000] close(3 [pid 4997] lstat("./160/binderfs", [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5989] <... openat resumed>) = 3 [pid 5002] fstat(3, [pid 5988] <... openat resumed>) = 3 [pid 5000] <... close resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5989] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] <... openat resumed>) = 3 [pid 4997] unlink("./160/binderfs" [pid 5000] rmdir("./167" [pid 4998] fstat(3, [pid 5989] <... mmap resumed>) = 0x20fff000 [pid 5000] <... rmdir resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] mkdir("./168", 0777 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, [pid 5988] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] getdents64(3, [pid 5989] exit_group(0) = ? [pid 5000] <... mkdir resumed>) = 0 [pid 5989] +++ exited with 0 +++ [pid 5988] <... mmap resumed>) = 0x20fff000 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] getdents64(3, [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5988] exit_group(0 [pid 5002] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5989, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5988] <... exit_group resumed>) = ? [pid 4997] close(3 [pid 5988] +++ exited with 0 +++ [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... close resumed>) = 0 [pid 5002] lstat("./170/binderfs", [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5990 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] rmdir("./160" [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5988, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] lstat("./165/binderfs", [pid 5002] unlink("./170/binderfs") = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 4996] umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] getdents64(3, [pid 5001] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] unlink("./165/binderfs" [pid 4997] mkdir("./161", 0777 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5002] close(3) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4996] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] rmdir("./170" [pid 5001] fstat(3, [pid 5002] <... rmdir resumed>) = 0 [pid 4998] getdents64(3, [pid 4997] <... mkdir resumed>) = 0 [pid 4996] <... openat resumed>) = 3 [pid 5002] mkdir("./171", 0777 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] fstat(3, ./strace-static-x86_64: Process 5990 attached [pid 5002] <... mkdir resumed>) = 0 [pid 5001] getdents64(3, [pid 4998] close(3 [pid 5990] chdir("./168" [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5990] <... chdir resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... close resumed>) = 0 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5992 attached [pid 5990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 5992 [pid 5990] <... prctl resumed>) = 0 [pid 5990] setpgid(0, 0) = 0 [pid 5990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5990] write(3, "1000", 4) = 4 [pid 5990] close(3) = 0 [pid 5990] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5990] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] rmdir("./165" [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5991 [pid 4996] getdents64(3, [pid 5992] chdir("./171" [pid 5990] <... openat resumed>) = 3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5990] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0./strace-static-x86_64: Process 5991 attached [pid 5992] <... chdir resumed>) = 0 [pid 5990] <... mmap resumed>) = 0x20fff000 [pid 5001] lstat("./166/binderfs", [pid 4998] <... rmdir resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./166/binderfs" [pid 4998] mkdir("./166", 0777 [pid 4996] umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5991] chdir("./161" [pid 5990] exit_group(0 [pid 5991] <... chdir resumed>) = 0 [pid 5990] <... exit_group resumed>) = ? [pid 5001] <... unlink resumed>) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5992] <... prctl resumed>) = 0 [pid 5991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5990] +++ exited with 0 +++ [pid 5001] getdents64(3, [pid 4998] <... mkdir resumed>) = 0 [pid 4996] lstat("./154/binderfs", [pid 5991] <... prctl resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5990, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5991] setpgid(0, 0 [pid 5001] close(3 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... close resumed>) = 0 [pid 5991] <... setpgid resumed>) = 0 [pid 5991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] rmdir("./166" [pid 4996] unlink("./154/binderfs" [pid 5991] <... openat resumed>) = 3 [pid 5991] write(3, "1000", 4) = 4 [pid 5991] close(3 [pid 4996] <... unlink resumed>) = 0 [pid 5000] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5991] <... close resumed>) = 0 [pid 5991] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5993 [pid 4996] getdents64(3, [pid 5001] mkdir("./167", 0777 [pid 5000] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5991] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 4996] close(3 [pid 5991] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] fstat(3, [pid 5992] setpgid(0, 0 [pid 5991] <... mmap resumed>) = 0x20fff000 [pid 4996] <... close resumed>) = 0 [pid 5991] exit_group(0) = ? [pid 5992] <... setpgid resumed>) = 0 [pid 5991] +++ exited with 0 +++ [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] rmdir("./154" [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5994 [pid 5000] getdents64(3, ./strace-static-x86_64: Process 5993 attached [pid 5993] chdir("./166" [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5991, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... rmdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 4996] mkdir("./155", 0777 [pid 5000] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... restart_syscall resumed>) = 0 [pid 5993] <... chdir resumed>) = 0 [pid 5993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4996] <... mkdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5993] setpgid(0, 0 [pid 5000] lstat("./168/binderfs", [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5994 attached [pid 5993] <... setpgid resumed>) = 0 [pid 5994] chdir("./167" [pid 5993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] unlink("./168/binderfs" [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 5995 [pid 5994] <... chdir resumed>) = 0 [pid 5993] <... openat resumed>) = 3 [pid 5000] <... unlink resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5993] write(3, "1000", 4 [pid 5000] getdents64(3, [pid 4997] <... openat resumed>) = 3 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] close(3 [pid 4997] fstat(3, [pid 5000] <... close resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] rmdir("./168" [pid 4997] getdents64(3, [pid 5994] <... prctl resumed>) = 0 [pid 5993] <... write resumed>) = 4 [pid 5994] setpgid(0, 0 [pid 5993] close(3 [pid 5994] <... setpgid resumed>) = 0 [pid 5993] <... close resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5995 attached [pid 5994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5993] symlink("/dev/binderfs", "./binderfs" [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5995] chdir("./155" [pid 5994] <... openat resumed>) = 3 [pid 5993] <... symlink resumed>) = 0 [pid 5992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] mkdir("./169", 0777 [pid 4997] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5995] <... chdir resumed>) = 0 [pid 5994] write(3, "1000", 4 [pid 5993] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5995] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5994] <... write resumed>) = 4 [pid 5993] <... openat resumed>) = 3 [pid 5000] <... mkdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5995] <... prctl resumed>) = 0 [pid 5994] close(3 [pid 5993] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] lstat("./161/binderfs", [pid 5995] setpgid(0, 0 [pid 5994] <... close resumed>) = 0 [pid 5993] <... mmap resumed>) = 0x20fff000 [pid 5992] <... openat resumed>) = 3 [pid 5995] <... setpgid resumed>) = 0 [pid 5994] symlink("/dev/binderfs", "./binderfs" [pid 5993] exit_group(0 [pid 5995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5994] <... symlink resumed>) = 0 [pid 5993] <... exit_group resumed>) = ? [pid 5992] write(3, "1000", 4 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5996 attached [pid 5995] <... openat resumed>) = 3 [pid 5994] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5993] +++ exited with 0 +++ [pid 5992] <... write resumed>) = 4 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 5996 [pid 4997] unlink("./161/binderfs" [pid 5995] write(3, "1000", 4 [pid 5994] <... openat resumed>) = 3 [pid 5995] <... write resumed>) = 4 [pid 5994] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5993, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5995] close(3 [pid 5994] <... mmap resumed>) = 0x20fff000 [pid 5992] close(3 [pid 4997] <... unlink resumed>) = 0 [pid 5995] <... close resumed>) = 0 [pid 5994] exit_group(0 [pid 5995] symlink("/dev/binderfs", "./binderfs" [pid 5994] <... exit_group resumed>) = ? [pid 5992] <... close resumed>) = 0 [pid 4997] getdents64(3, [pid 5996] chdir("./169" [pid 5995] <... symlink resumed>) = 0 [pid 5994] +++ exited with 0 +++ [pid 5992] symlink("/dev/binderfs", "./binderfs" [pid 4998] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5996] <... chdir resumed>) = 0 [pid 5995] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5992] <... symlink resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] close(3 [pid 5996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5995] <... openat resumed>) = 3 [pid 5995] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5994, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... close resumed>) = 0 [pid 5996] <... prctl resumed>) = 0 [pid 5995] <... mmap resumed>) = 0x20fff000 [pid 5992] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 5996] setpgid(0, 0 [pid 5995] exit_group(0 [pid 4998] <... openat resumed>) = 3 [pid 4997] rmdir("./161" [pid 5995] <... exit_group resumed>) = ? [pid 5001] <... restart_syscall resumed>) = 0 [pid 4998] fstat(3, [pid 5996] <... setpgid resumed>) = 0 [pid 5995] +++ exited with 0 +++ [pid 5992] <... openat resumed>) = 3 [pid 4997] <... rmdir resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] getdents64(3, [pid 4997] mkdir("./162", 0777 [pid 5992] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5995, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... mkdir resumed>) = 0 [pid 4996] umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... openat resumed>) = 3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] fstat(3, [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] lstat("./166/binderfs", [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] getdents64(3, [pid 4998] unlink("./166/binderfs" [pid 4996] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5996] <... openat resumed>) = 3 [pid 4996] <... openat resumed>) = 3 [pid 5996] write(3, "1000", 4 [pid 4998] <... unlink resumed>) = 0 [pid 4996] fstat(3, [pid 5996] <... write resumed>) = 4 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] getdents64(3, [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5996] close(3) = 0 [pid 5001] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 5997 [pid 4996] getdents64(3, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] close(3 [pid 5001] lstat("./167/binderfs", [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... close resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] rmdir("./166" [pid 5992] <... mmap resumed>) = 0x20fff000 [pid 5001] unlink("./167/binderfs" [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5996] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... rmdir resumed>) = 0 [pid 5996] <... symlink resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 4998] mkdir("./167", 0777 [pid 5992] exit_group(0 [pid 4996] lstat("./155/binderfs", [pid 5001] getdents64(3, ./strace-static-x86_64: Process 5997 attached [pid 4998] <... mkdir resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] close(3 [pid 4996] unlink("./155/binderfs" [pid 5996] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5997] chdir("./162") = 0 [pid 5997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] <... close resumed>) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 5998 [pid 4996] <... unlink resumed>) = 0 [pid 5996] <... openat resumed>) = 3 [pid 5001] rmdir("./167" [pid 4996] getdents64(3, [pid 5992] <... exit_group resumed>) = ? [pid 5997] <... prctl resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5996] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5997] setpgid(0, 0 [pid 5001] mkdir("./168", 0777 [pid 4996] close(3 [pid 5997] <... setpgid resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 4996] <... close resumed>) = 0 [pid 4996] rmdir("./155" [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5998 attached [pid 5997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4996] <... rmdir resumed>) = 0 [pid 5998] chdir("./167" [pid 5997] <... openat resumed>) = 3 [pid 4996] mkdir("./156", 0777 [pid 5998] <... chdir resumed>) = 0 [pid 5997] write(3, "1000", 4 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 5999 [pid 4996] <... mkdir resumed>) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5997] <... write resumed>) = 4 [pid 5998] <... prctl resumed>) = 0 [pid 5997] close(3 [pid 5998] setpgid(0, 0 [pid 5997] <... close resumed>) = 0 [pid 5996] <... mmap resumed>) = 0x20fff000 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6000 ./strace-static-x86_64: Process 6000 attached [pid 5998] <... setpgid resumed>) = 0 [pid 5997] symlink("/dev/binderfs", "./binderfs" [pid 5996] exit_group(0 [pid 5992] +++ exited with 0 +++ ./strace-static-x86_64: Process 5999 attached [pid 6000] chdir("./156" [pid 5998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5997] <... symlink resumed>) = 0 [pid 6000] <... chdir resumed>) = 0 [pid 5999] chdir("./168" [pid 5998] <... openat resumed>) = 3 [pid 5997] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5996] <... exit_group resumed>) = ? [pid 5999] <... chdir resumed>) = 0 [pid 5998] write(3, "1000", 4 [pid 5997] <... openat resumed>) = 3 [pid 5999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5998] <... write resumed>) = 4 [pid 5997] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5999] <... prctl resumed>) = 0 [pid 5998] close(3 [pid 5997] <... mmap resumed>) = 0x20fff000 [pid 5996] +++ exited with 0 +++ [pid 6000] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5999] setpgid(0, 0 [pid 5998] <... close resumed>) = 0 [pid 5997] exit_group(0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5992, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5996, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5999] <... setpgid resumed>) = 0 [pid 5998] symlink("/dev/binderfs", "./binderfs" [pid 5997] <... exit_group resumed>) = ? [pid 5002] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6000] <... prctl resumed>) = 0 [pid 5999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5998] <... symlink resumed>) = 0 [pid 5997] +++ exited with 0 +++ [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5999] <... openat resumed>) = 3 [pid 5998] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5997, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6000] setpgid(0, 0 [pid 5999] write(3, "1000", 4 [pid 5998] <... openat resumed>) = 3 [pid 6000] <... setpgid resumed>) = 0 [pid 5999] <... write resumed>) = 4 [pid 5998] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] <... openat resumed>) = 3 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 6000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5999] close(3 [pid 5998] <... mmap resumed>) = 0x20fff000 [pid 5002] fstat(3, [pid 6000] <... openat resumed>) = 3 [pid 5999] <... close resumed>) = 0 [pid 5998] exit_group(0 [pid 4997] <... restart_syscall resumed>) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5999] symlink("/dev/binderfs", "./binderfs" [pid 5998] <... exit_group resumed>) = ? [pid 5000] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6000] write(3, "1000", 4 [pid 5999] <... symlink resumed>) = 0 [pid 5998] +++ exited with 0 +++ [pid 5002] getdents64(3, [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6000] <... write resumed>) = 4 [pid 5999] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6000] close(3 [pid 5999] <... openat resumed>) = 3 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5998, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6000] <... close resumed>) = 0 [pid 5999] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... openat resumed>) = 3 [pid 6000] symlink("/dev/binderfs", "./binderfs" [pid 5999] <... mmap resumed>) = 0x20fff000 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] fstat(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5999] exit_group(0 [pid 5002] lstat("./171/binderfs", [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5999] <... exit_group resumed>) = ? [pid 4997] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6000] <... symlink resumed>) = 0 [pid 5999] +++ exited with 0 +++ [pid 5000] getdents64(3, [pid 4998] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] unlink("./171/binderfs" [pid 4997] <... openat resumed>) = 3 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... unlink resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5999, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] fstat(3, [pid 5002] getdents64(3, [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... openat resumed>) = 3 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] lstat("./169/binderfs", [pid 4998] fstat(3, [pid 5001] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] getdents64(3, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] unlink("./169/binderfs" [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] <... unlink resumed>) = 0 [pid 4998] getdents64(3, [pid 5001] <... openat resumed>) = 3 [pid 4997] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] close(3 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] fstat(3, [pid 4998] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] lstat("./162/binderfs", [pid 5002] <... close resumed>) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] getdents64(3, [pid 5000] getdents64(3, [pid 4998] lstat("./167/binderfs", [pid 4997] unlink("./162/binderfs" [pid 5002] rmdir("./171" [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] close(3 [pid 4998] unlink("./167/binderfs" [pid 4997] <... unlink resumed>) = 0 [pid 6000] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... rmdir resumed>) = 0 [pid 6000] <... openat resumed>) = 3 [pid 5002] mkdir("./172", 0777 [pid 5001] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... close resumed>) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4997] getdents64(3, [pid 6000] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5002] <... mkdir resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] rmdir("./169" [pid 4998] getdents64(3, [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6000] exit_group(0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] lstat("./168/binderfs", [pid 6000] <... exit_group resumed>) = ? [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6000] +++ exited with 0 +++ [pid 5001] unlink("./168/binderfs" [pid 5000] <... rmdir resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] close(3 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6001 [pid 5001] <... unlink resumed>) = 0 [pid 5000] mkdir("./170", 0777 [pid 4998] close(3 [pid 4997] <... close resumed>) = 0 [pid 5001] getdents64(3, 0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] close(3) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 5001] rmdir("./168" [pid 4998] <... close resumed>) = 0 [pid 4997] rmdir("./162" [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6000, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] <... rmdir resumed>) = 0 [pid 4998] rmdir("./167" [pid 5001] mkdir("./169", 0777) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... rmdir resumed>) = 0 [pid 4998] mkdir("./168", 0777 [pid 4997] mkdir("./163", 0777 [pid 4996] <... restart_syscall resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6003 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6002 ./strace-static-x86_64: Process 6002 attached [pid 4998] <... mkdir resumed>) = 0 [pid 6002] chdir("./170") = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 6002] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW [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 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6001 attached [pid 6001] chdir("./172" [pid 6002] <... openat resumed>) = 3 [pid 4996] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6004 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6005 [pid 4996] <... openat resumed>) = 3 [pid 4996] fstat(3, [pid 6001] <... chdir resumed>) = 0 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4996] getdents64(3, [pid 6002] write(3, "1000", 4 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6001] setpgid(0, 0 [pid 4996] umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6002] <... write resumed>) = 4 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6002] close(3 [pid 6001] <... setpgid resumed>) = 0 [pid 4996] lstat("./156/binderfs", ./strace-static-x86_64: Process 6005 attached [pid 6002] <... close resumed>) = 0 [pid 6001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6002] symlink("/dev/binderfs", "./binderfs" [pid 6001] <... openat resumed>) = 3 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 6003 attached [pid 6005] chdir("./163" [pid 6002] <... symlink resumed>) = 0 [pid 6001] write(3, "1000", 4 [pid 4996] unlink("./156/binderfs"./strace-static-x86_64: Process 6004 attached [pid 6002] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6001] <... write resumed>) = 4 [pid 4996] <... unlink resumed>) = 0 [pid 6004] chdir("./168" [pid 6002] <... openat resumed>) = 3 [pid 6001] close(3 [pid 4996] getdents64(3, [pid 6004] <... chdir resumed>) = 0 [pid 6002] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6001] <... close resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6005] <... chdir resumed>) = 0 [pid 6004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6003] chdir("./169" [pid 6002] <... mmap resumed>) = 0x20fff000 [pid 6001] symlink("/dev/binderfs", "./binderfs" [pid 6005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4996] close(3 [pid 6005] <... prctl resumed>) = 0 [pid 6004] <... prctl resumed>) = 0 [pid 6003] <... chdir resumed>) = 0 [pid 6002] exit_group(0 [pid 6001] <... symlink resumed>) = 0 [pid 6005] setpgid(0, 0 [pid 6004] setpgid(0, 0 [pid 6002] <... exit_group resumed>) = ? [pid 6001] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4996] <... close resumed>) = 0 [pid 6005] <... setpgid resumed>) = 0 [pid 6004] <... setpgid resumed>) = 0 [pid 6003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6002] +++ exited with 0 +++ [pid 6001] <... openat resumed>) = 3 [pid 4996] rmdir("./156" [pid 6004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6001] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6004] <... openat resumed>) = 3 [pid 6001] <... mmap resumed>) = 0x20fff000 [pid 6005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4996] <... rmdir resumed>) = 0 [pid 6003] <... prctl resumed>) = 0 [pid 6004] write(3, "1000", 4 [pid 6001] exit_group(0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6002, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] mkdir("./157", 0777 [pid 6005] <... openat resumed>) = 3 [pid 6004] <... write resumed>) = 4 [pid 6003] setpgid(0, 0 [pid 6001] <... exit_group resumed>) = ? [pid 5000] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6005] write(3, "1000", 4 [pid 6004] close(3 [pid 6003] <... setpgid resumed>) = 0 [pid 6001] +++ exited with 0 +++ [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... mkdir resumed>) = 0 [pid 6004] <... close resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6001, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6005] <... write resumed>) = 4 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6004] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... openat resumed>) = 3 [pid 6004] <... symlink resumed>) = 0 [pid 6004] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 6004] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6005] close(3 [pid 6004] <... mmap resumed>) = 0x20fff000 [pid 6003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] fstat(3, [pid 6005] <... close resumed>) = 0 [pid 6004] exit_group(0 [pid 5002] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6005] symlink("/dev/binderfs", "./binderfs" [pid 6004] <... exit_group resumed>) = ? [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6006 [pid 6005] <... symlink resumed>) = 0 [pid 6004] +++ exited with 0 +++ [pid 6003] <... openat resumed>) = 3 [pid 5002] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] getdents64(3, ./strace-static-x86_64: Process 6006 attached [pid 5002] <... openat resumed>) = 3 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6004, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] fstat(3, [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6005] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6003] write(3, "1000", 4 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] getdents64(3, [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6006] chdir("./157" [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6005] <... openat resumed>) = 3 [pid 5000] lstat("./170/binderfs", [pid 6003] <... write resumed>) = 4 [pid 5002] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6006] <... chdir resumed>) = 0 [pid 6006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] unlink("./170/binderfs" [pid 6005] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6003] close(3 [pid 5002] lstat("./172/binderfs", [pid 6006] <... prctl resumed>) = 0 [pid 6006] setpgid(0, 0 [pid 5000] <... unlink resumed>) = 0 [pid 6006] <... setpgid resumed>) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] unlink("./172/binderfs" [pid 5000] getdents64(3, [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... unlink resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] getdents64(3, [pid 5000] close(3 [pid 4998] <... openat resumed>) = 3 [pid 6006] <... openat resumed>) = 3 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] <... close resumed>) = 0 [pid 4998] fstat(3, [pid 6003] <... close resumed>) = 0 [pid 5002] close(3 [pid 5000] rmdir("./170" [pid 6003] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... close resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6006] write(3, "1000", 4) = 4 [pid 6006] close(3 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] getdents64(3, [pid 5002] rmdir("./172" [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6006] <... close resumed>) = 0 [pid 6006] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6003] <... symlink resumed>) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5000] mkdir("./171", 0777 [pid 4998] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6006] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6005] <... mmap resumed>) = 0x20fff000 [pid 6003] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] mkdir("./173", 0777 [pid 5000] <... mkdir resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6006] <... openat resumed>) = 3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6007 attached [pid 6006] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6005] exit_group(0 [pid 6003] <... openat resumed>) = 3 [pid 5002] <... mkdir resumed>) = 0 [pid 4998] lstat("./168/binderfs", [pid 6006] <... mmap resumed>) = 0x20fff000 [pid 6005] <... exit_group resumed>) = ? [pid 6003] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6007 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6006] exit_group(0) = ? [pid 6006] +++ exited with 0 +++ [pid 6005] +++ exited with 0 +++ [pid 6007] chdir("./171" [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6005, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] unlink("./168/binderfs" [pid 6007] <... chdir resumed>) = 0 [pid 6007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6007] setpgid(0, 0) = 0 [pid 6003] <... mmap resumed>) = 0x20fff000 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6006, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6008 [pid 4998] <... unlink resumed>) = 0 [pid 6007] <... openat resumed>) = 3 [pid 6003] exit_group(0 [pid 6007] write(3, "1000", 4 [pid 4998] getdents64(3, [pid 6007] <... write resumed>) = 4 [pid 6003] <... exit_group resumed>) = ? [pid 6007] close(3 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6007] <... close resumed>) = 0 [pid 6007] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6003] +++ exited with 0 +++ [pid 4998] close(3 [pid 4996] umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6007] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6003, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... close resumed>) = 0 ./strace-static-x86_64: Process 6008 attached [pid 4998] rmdir("./168" [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6008] chdir("./173") = 0 [pid 6007] <... openat resumed>) = 3 [pid 4996] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6007] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6008] <... prctl resumed>) = 0 [pid 6007] <... mmap resumed>) = 0x20fff000 [pid 4998] <... rmdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... openat resumed>) = 3 [pid 4997] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] fstat(3, [pid 6008] setpgid(0, 0 [pid 6007] exit_group(0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] mkdir("./169", 0777 [pid 4997] <... openat resumed>) = 3 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6008] <... setpgid resumed>) = 0 [pid 6007] <... exit_group resumed>) = ? [pid 6008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... openat resumed>) = 3 [pid 4998] <... mkdir resumed>) = 0 [pid 4997] fstat(3, [pid 4996] getdents64(3, [pid 5001] fstat(3, [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] getdents64(3, [pid 4997] getdents64(3, [pid 4996] umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6008] <... openat resumed>) = 3 [pid 6007] +++ exited with 0 +++ [pid 6008] write(3, "1000", 4) = 4 [pid 6008] close(3 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6008] <... close resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6008] symlink("/dev/binderfs", "./binderfs" [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6007, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6009 [pid 4997] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] lstat("./157/binderfs", [pid 6008] <... symlink resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6008] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] lstat("./169/binderfs", [pid 5000] <... restart_syscall resumed>) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] lstat("./163/binderfs", [pid 6008] <... openat resumed>) = 3 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] unlink("./157/binderfs" [pid 6008] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] unlink("./169/binderfs" [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 6009 attached [pid 6008] <... mmap resumed>) = 0x20fff000 [pid 4996] <... unlink resumed>) = 0 [pid 6009] chdir("./169" [pid 6008] exit_group(0 [pid 5001] <... unlink resumed>) = 0 [pid 5000] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] unlink("./163/binderfs" [pid 4996] getdents64(3, [pid 6009] <... chdir resumed>) = 0 [pid 6008] <... exit_group resumed>) = ? [pid 5001] getdents64(3, [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6008] +++ exited with 0 +++ [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... unlink resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] close(3 [pid 5000] <... openat resumed>) = 3 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6008, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] getdents64(3, [pid 4996] close(3 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5001] <... close resumed>) = 0 [pid 5000] fstat(3, [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... close resumed>) = 0 [pid 6009] <... prctl resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] rmdir("./157" [pid 6009] setpgid(0, 0 [pid 5000] getdents64(3, [pid 6009] <... setpgid resumed>) = 0 [pid 6009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4996] <... rmdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] close(3 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5001] rmdir("./169" [pid 5000] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] mkdir("./158", 0777 [pid 4997] <... close resumed>) = 0 [pid 6009] <... openat resumed>) = 3 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6009] write(3, "1000", 4 [pid 5000] lstat("./171/binderfs", [pid 4997] rmdir("./163" [pid 6009] <... write resumed>) = 4 [pid 6009] close(3) = 0 [pid 4996] <... mkdir resumed>) = 0 [pid 6009] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6009] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] mkdir("./170", 0777 [pid 5000] unlink("./171/binderfs" [pid 4997] <... rmdir resumed>) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6009] <... openat resumed>) = 3 [pid 5001] <... mkdir resumed>) = 0 [pid 6009] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5002] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... unlink resumed>) = 0 [pid 4997] mkdir("./164", 0777 [pid 6009] exit_group(0) = ? [pid 5000] getdents64(3, [pid 6009] +++ exited with 0 +++ [pid 5002] <... openat resumed>) = 3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6010 [pid 5002] fstat(3, ./strace-static-x86_64: Process 6010 attached [pid 6010] chdir("./158") = 0 [pid 6010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5000] close(3 [pid 6010] setpgid(0, 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... close resumed>) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] getdents64(3, [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6011 [pid 5000] rmdir("./171" [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 6010] <... setpgid resumed>) = 0 [pid 6010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6010] write(3, "1000", 4) = 4 [pid 6010] close(3) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] mkdir("./172", 0777 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6012 [pid 5002] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... restart_syscall resumed>) = 0 [pid 6010] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... mkdir resumed>) = 0 [pid 5002] lstat("./173/binderfs", [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6010] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6010] <... openat resumed>) = 3 [pid 6010] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 ./strace-static-x86_64: Process 6011 attached [pid 5002] unlink("./173/binderfs" [pid 4998] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6013 [pid 6011] chdir("./170" [pid 5002] <... unlink resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] getdents64(3, [pid 4998] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6010] exit_group(0 [pid 5002] close(3 [pid 4998] <... openat resumed>) = 3 [pid 5002] <... close resumed>) = 0 [pid 4998] fstat(3, [pid 5002] rmdir("./173" [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6011] <... chdir resumed>) = 0 [pid 6010] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6013 attached ./strace-static-x86_64: Process 6012 attached [pid 6011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] <... rmdir resumed>) = 0 [pid 4998] getdents64(3, [pid 5002] mkdir("./174", 0777 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6012] chdir("./164" [pid 6011] <... prctl resumed>) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6012] <... chdir resumed>) = 0 [pid 6011] setpgid(0, 0 [pid 6010] +++ exited with 0 +++ [pid 6012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6011] <... setpgid resumed>) = 0 [pid 6012] <... prctl resumed>) = 0 [pid 6011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6010, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6014 [pid 4998] lstat("./169/binderfs", [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 6012] setpgid(0, 0 [pid 6011] <... openat resumed>) = 3 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6012] <... setpgid resumed>) = 0 [pid 6011] write(3, "1000", 4 [pid 4998] unlink("./169/binderfs" [pid 6012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6011] <... write resumed>) = 4 [pid 4998] <... unlink resumed>) = 0 [pid 4996] <... restart_syscall resumed>) = 0 [pid 4998] getdents64(3, [pid 6012] <... openat resumed>) = 3 [pid 6011] close(3 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6012] write(3, "1000", 4 [pid 6011] <... close resumed>) = 0 [pid 4998] close(3 [pid 4996] umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6014 attached [pid 6012] <... write resumed>) = 4 [pid 6011] symlink("/dev/binderfs", "./binderfs" [pid 6014] chdir("./174" [pid 6012] close(3 [pid 6011] <... symlink resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6014] <... chdir resumed>) = 0 [pid 6013] chdir("./172" [pid 6012] <... close resumed>) = 0 [pid 6011] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] rmdir("./169" [pid 6014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6013] <... chdir resumed>) = 0 [pid 6012] symlink("/dev/binderfs", "./binderfs" [pid 6011] <... openat resumed>) = 3 [pid 4996] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6014] <... prctl resumed>) = 0 [pid 6013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6012] <... symlink resumed>) = 0 [pid 6011] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] <... rmdir resumed>) = 0 [pid 6014] setpgid(0, 0 [pid 6013] <... prctl resumed>) = 0 [pid 6012] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6011] <... mmap resumed>) = 0x20fff000 [pid 4998] mkdir("./170", 0777 [pid 4996] <... openat resumed>) = 3 [pid 6014] <... setpgid resumed>) = 0 [pid 6013] setpgid(0, 0 [pid 6012] <... openat resumed>) = 3 [pid 6011] exit_group(0 [pid 6014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6013] <... setpgid resumed>) = 0 [pid 6012] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6011] <... exit_group resumed>) = ? [pid 4998] <... mkdir resumed>) = 0 [pid 4996] fstat(3, [pid 6014] <... openat resumed>) = 3 [pid 6013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6012] <... mmap resumed>) = 0x20fff000 [pid 6011] +++ exited with 0 +++ [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6014] write(3, "1000", 4 [pid 6012] exit_group(0 [pid 6014] <... write resumed>) = 4 [pid 6012] <... exit_group resumed>) = ? [pid 4996] getdents64(3, [pid 6014] close(3 [pid 6013] <... openat resumed>) = 3 [pid 6012] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6011, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6014] <... close resumed>) = 0 [pid 5001] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6012, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6015 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6013] write(3, "1000", 4 [pid 6014] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6014] <... symlink resumed>) = 0 [pid 6013] <... write resumed>) = 4 [pid 5001] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6014] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6013] close(3 [pid 6014] <... openat resumed>) = 3 [pid 5001] <... openat resumed>) = 3 [pid 4997] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6014] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6013] <... close resumed>) = 0 [pid 5001] fstat(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6014] <... mmap resumed>) = 0x20fff000 [pid 6013] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] lstat("./158/binderfs", [pid 6014] exit_group(0 [pid 5001] getdents64(3, [pid 6014] <... exit_group resumed>) = ? [pid 4997] <... openat resumed>) = 3 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6014] +++ exited with 0 +++ [pid 6013] <... symlink resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] fstat(3, [pid 4996] unlink("./158/binderfs" [pid 5001] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6015 attached [pid 4996] <... unlink resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6014, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] lstat("./170/binderfs", [pid 4997] getdents64(3, [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 4996] getdents64(3, [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] unlink("./170/binderfs" [pid 4997] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6015] chdir("./170" [pid 5002] <... restart_syscall resumed>) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] close(3 [pid 5001] getdents64(3, [pid 4997] lstat("./164/binderfs", [pid 4996] <... close resumed>) = 0 [pid 6015] <... chdir resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] unlink("./164/binderfs" [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] rmdir("./158" [pid 6015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] <... unlink resumed>) = 0 [pid 5002] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6015] <... prctl resumed>) = 0 [pid 6015] setpgid(0, 0) = 0 [pid 6015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... openat resumed>) = 3 [pid 5001] close(3 [pid 4997] getdents64(3, [pid 4996] <... rmdir resumed>) = 0 [pid 5002] fstat(3, [pid 5001] <... close resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] mkdir("./159", 0777 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] rmdir("./170" [pid 4997] close(3 [pid 6015] <... openat resumed>) = 3 [pid 6015] write(3, "1000", 4 [pid 4996] <... mkdir resumed>) = 0 [pid 6015] <... write resumed>) = 4 [pid 6015] close(3) = 0 [pid 6015] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... rmdir resumed>) = 0 [pid 6015] <... symlink resumed>) = 0 [pid 5002] getdents64(3, [pid 5001] mkdir("./171", 0777 [pid 4997] <... close resumed>) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6015] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] rmdir("./164" [pid 6015] <... openat resumed>) = 3 [pid 5001] <... mkdir resumed>) = 0 [pid 6015] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 6015] exit_group(0) = ? [pid 6015] +++ exited with 0 +++ [pid 5002] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... rmdir resumed>) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6016 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6015, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] mkdir("./165", 0777./strace-static-x86_64: Process 6016 attached [pid 6016] chdir("./159") = 0 [pid 6016] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] lstat("./174/binderfs", [pid 6016] <... prctl resumed>) = 0 [pid 6016] setpgid(0, 0) = 0 [pid 6016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... mkdir resumed>) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6017 [pid 4998] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6013] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] unlink("./174/binderfs" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6016] <... openat resumed>) = 3 [pid 6016] write(3, "1000", 4) = 4 [pid 6016] close(3) = 0 [pid 6016] symlink("/dev/binderfs", "./binderfs" [pid 4998] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6016] <... symlink resumed>) = 0 [pid 5002] <... unlink resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6018 [pid 5002] getdents64(3, [pid 4998] fstat(3, [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] close(3 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... close resumed>) = 0 [pid 5002] rmdir("./174" [pid 4998] getdents64(3, [pid 6016] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC./strace-static-x86_64: Process 6017 attached [pid 5002] <... rmdir resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] mkdir("./175", 0777 [pid 4998] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6017] chdir("./171") = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6013] <... openat resumed>) = 3 [pid 6017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6016] <... openat resumed>) = 3 [pid 6017] <... prctl resumed>) = 0 [pid 6016] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6017] setpgid(0, 0 [pid 6016] <... mmap resumed>) = 0x20fff000 [pid 6013] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] lstat("./170/binderfs", [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6019 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] unlink("./170/binderfs"./strace-static-x86_64: Process 6018 attached [pid 6017] <... setpgid resumed>) = 0 [pid 6016] exit_group(0 [pid 4998] <... unlink resumed>) = 0 [pid 4998] getdents64(3, [pid 6018] chdir("./165" [pid 6017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6016] <... exit_group resumed>) = ? [pid 6013] <... mmap resumed>) = 0x20fff000 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] close(3) = 0 [pid 4998] rmdir("./170"./strace-static-x86_64: Process 6019 attached [pid 6018] <... chdir resumed>) = 0 [pid 6017] <... openat resumed>) = 3 [pid 6016] +++ exited with 0 +++ [pid 6013] exit_group(0 [pid 4998] <... rmdir resumed>) = 0 [pid 4998] mkdir("./171", 0777 [pid 6019] chdir("./175" [pid 6018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6017] write(3, "1000", 4 [pid 6019] <... chdir resumed>) = 0 [pid 6018] <... prctl resumed>) = 0 [pid 6017] <... write resumed>) = 4 [pid 6013] <... exit_group resumed>) = ? [pid 4998] <... mkdir resumed>) = 0 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6016, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6019] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6018] setpgid(0, 0 [pid 6017] close(3 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 6019] <... prctl resumed>) = 0 [pid 6018] <... setpgid resumed>) = 0 [pid 6017] <... close resumed>) = 0 [pid 6019] setpgid(0, 0 [pid 6018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6017] symlink("/dev/binderfs", "./binderfs" [pid 6019] <... setpgid resumed>) = 0 [pid 6018] <... openat resumed>) = 3 [pid 6017] <... symlink resumed>) = 0 [pid 6019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6018] write(3, "1000", 4 [pid 6017] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6019] <... openat resumed>) = 3 [pid 6018] <... write resumed>) = 4 [pid 6017] <... openat resumed>) = 3 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6020 [pid 4996] <... restart_syscall resumed>) = 0 [pid 6019] write(3, "1000", 4 [pid 6018] close(3 [pid 6017] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6013] +++ exited with 0 +++ [pid 6019] <... write resumed>) = 4 [pid 6018] <... close resumed>) = 0 [pid 6017] <... mmap resumed>) = 0x20fff000 [pid 6019] close(3 [pid 6018] symlink("/dev/binderfs", "./binderfs" [pid 6017] exit_group(0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6013, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6019] <... close resumed>) = 0 [pid 6018] <... symlink resumed>) = 0 [pid 6017] <... exit_group resumed>) = ? [pid 6019] symlink("/dev/binderfs", "./binderfs" [pid 6018] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6017] +++ exited with 0 +++ [pid 4996] umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6020 attached [pid 6019] <... symlink resumed>) = 0 [pid 6018] <... openat resumed>) = 3 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6020] chdir("./171" [pid 6019] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6018] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6017, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6020] <... chdir resumed>) = 0 [pid 6019] <... openat resumed>) = 3 [pid 6018] <... mmap resumed>) = 0x20fff000 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 6020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6019] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6018] exit_group(0 [pid 4996] <... openat resumed>) = 3 [pid 6020] <... prctl resumed>) = 0 [pid 6019] <... mmap resumed>) = 0x20fff000 [pid 6018] <... exit_group resumed>) = ? [pid 5001] <... restart_syscall resumed>) = 0 [pid 6020] setpgid(0, 0 [pid 6019] exit_group(0 [pid 6018] +++ exited with 0 +++ [pid 5000] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] fstat(3, [pid 6020] <... setpgid resumed>) = 0 [pid 6019] <... exit_group resumed>) = ? [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6018, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6019] +++ exited with 0 +++ [pid 5001] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] getdents64(3, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... openat resumed>) = 3 [pid 6020] <... openat resumed>) = 3 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6019, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] fstat(3, [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6020] write(3, "1000", 4 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5001] <... openat resumed>) = 3 [pid 6020] <... write resumed>) = 4 [pid 4997] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6020] close(3 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] fstat(3, [pid 6020] <... close resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5000] getdents64(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6020] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6020] <... symlink resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] lstat("./159/binderfs", [pid 6020] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] getdents64(3, [pid 5000] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6020] <... openat resumed>) = 3 [pid 4997] <... openat resumed>) = 3 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6020] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] fstat(3, [pid 4996] unlink("./159/binderfs" [pid 6020] <... mmap resumed>) = 0x20fff000 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] lstat("./172/binderfs", [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6020] exit_group(0 [pid 5002] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... unlink resumed>) = 0 [pid 6020] <... exit_group resumed>) = ? [pid 5002] <... openat resumed>) = 3 [pid 5001] lstat("./171/binderfs", [pid 5000] unlink("./172/binderfs" [pid 4997] getdents64(3, [pid 4996] getdents64(3, [pid 6020] +++ exited with 0 +++ [pid 5002] fstat(3, [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6020, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] unlink("./171/binderfs" [pid 5002] getdents64(3, [pid 5000] getdents64(3, [pid 4997] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] close(3 [pid 5001] <... unlink resumed>) = 0 [pid 4996] <... close resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] lstat("./165/binderfs", [pid 4996] rmdir("./159" [pid 5002] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] getdents64(3, [pid 5000] close(3 [pid 4998] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... close resumed>) = 0 [pid 4996] <... rmdir resumed>) = 0 [pid 5002] lstat("./175/binderfs", [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] rmdir("./172" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] unlink("./165/binderfs" [pid 4996] mkdir("./160", 0777 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] close(3 [pid 4998] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] unlink("./175/binderfs" [pid 4998] <... openat resumed>) = 3 [pid 5002] <... unlink resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] fstat(3, [pid 4997] <... unlink resumed>) = 0 [pid 5002] getdents64(3, [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] rmdir("./171" [pid 5000] mkdir("./173", 0777 [pid 4998] getdents64(3, [pid 4997] getdents64(3, [pid 4996] <... mkdir resumed>) = 0 [pid 5002] close(3 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] <... close resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 4998] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] rmdir("./175" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... rmdir resumed>) = 0 [pid 5001] mkdir("./172", 0777 [pid 5000] <... mkdir resumed>) = 0 [pid 4998] lstat("./171/binderfs", [pid 4997] close(3 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] mkdir("./176", 0777 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 4998] unlink("./171/binderfs" [pid 4997] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... unlink resumed>) = 0 [pid 4997] rmdir("./165" [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] getdents64(3, [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6021 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6022 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] close(3 [pid 4997] <... rmdir resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4998] rmdir("./171") = 0 [pid 4998] mkdir("./172", 0777) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6022 attached [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6023 [pid 4997] mkdir("./166", 0777 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6025 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6024 ./strace-static-x86_64: Process 6021 attached [pid 4997] <... mkdir resumed>) = 0 [pid 6021] chdir("./160" [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6023 attached [pid 6023] chdir("./172" [pid 6021] <... chdir resumed>) = 0 [pid 6021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6023] <... chdir resumed>) = 0 [pid 6021] <... prctl resumed>) = 0 [pid 6023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6021] setpgid(0, 0) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6026 ./strace-static-x86_64: Process 6024 attached [pid 6023] <... prctl resumed>) = 0 [pid 6022] chdir("./176" [pid 6021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6025 attached [pid 6023] setpgid(0, 0 [pid 6022] <... chdir resumed>) = 0 [pid 6021] <... openat resumed>) = 3 [pid 6025] chdir("./172" [pid 6023] <... setpgid resumed>) = 0 [pid 6022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6021] write(3, "1000", 4./strace-static-x86_64: Process 6026 attached [pid 6025] <... chdir resumed>) = 0 [pid 6024] chdir("./173" [pid 6023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6022] <... prctl resumed>) = 0 [pid 6021] <... write resumed>) = 4 [pid 6025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6024] <... chdir resumed>) = 0 [pid 6023] <... openat resumed>) = 3 [pid 6022] setpgid(0, 0 [pid 6021] close(3 [pid 6025] <... prctl resumed>) = 0 [pid 6023] write(3, "1000", 4 [pid 6021] <... close resumed>) = 0 [pid 6025] setpgid(0, 0 [pid 6023] <... write resumed>) = 4 [pid 6021] symlink("/dev/binderfs", "./binderfs" [pid 6025] <... setpgid resumed>) = 0 [pid 6023] close(3 [pid 6025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6023] <... close resumed>) = 0 [pid 6022] <... setpgid resumed>) = 0 [pid 6021] <... symlink resumed>) = 0 [pid 6025] <... openat resumed>) = 3 [pid 6023] symlink("/dev/binderfs", "./binderfs" [pid 6021] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6026] chdir("./166" [pid 6025] write(3, "1000", 4 [pid 6024] <... prctl resumed>) = 0 [pid 6023] <... symlink resumed>) = 0 [pid 6022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6021] <... openat resumed>) = 3 [pid 6025] <... write resumed>) = 4 [pid 6023] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6021] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6026] <... chdir resumed>) = 0 [pid 6025] close(3 [pid 6024] setpgid(0, 0 [pid 6023] <... openat resumed>) = 3 [pid 6022] <... openat resumed>) = 3 [pid 6021] <... mmap resumed>) = 0x20fff000 [pid 6025] <... close resumed>) = 0 [pid 6023] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6021] exit_group(0 [pid 6022] write(3, "1000", 4 [pid 6024] <... setpgid resumed>) = 0 [pid 6026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6025] symlink("/dev/binderfs", "./binderfs" [pid 6023] <... mmap resumed>) = 0x20fff000 [pid 6022] <... write resumed>) = 4 [pid 6021] <... exit_group resumed>) = ? [pid 6026] <... prctl resumed>) = 0 [pid 6025] <... symlink resumed>) = 0 [pid 6024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6023] exit_group(0 [pid 6022] close(3 [pid 6021] +++ exited with 0 +++ [pid 6026] setpgid(0, 0 [pid 6025] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6023] <... exit_group resumed>) = ? [pid 6022] <... close resumed>) = 0 [pid 6026] <... setpgid resumed>) = 0 [pid 6025] <... openat resumed>) = 3 [pid 6024] <... openat resumed>) = 3 [pid 6023] +++ exited with 0 +++ [pid 6022] symlink("/dev/binderfs", "./binderfs" [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6021, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6025] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 6024] write(3, "1000", 4 [pid 6022] <... symlink resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6023, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 6025] exit_group(0) = ? [pid 4996] <... restart_syscall resumed>) = 0 [pid 6026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6025] +++ exited with 0 +++ [pid 6024] <... write resumed>) = 4 [pid 6022] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6025, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... openat resumed>) = 3 [pid 4998] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] fstat(3, [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... openat resumed>) = 3 [pid 5001] getdents64(3, [pid 4998] <... openat resumed>) = 3 [pid 4996] fstat(3, [pid 6022] <... openat resumed>) = 3 [pid 6024] close(3 [pid 4998] fstat(3, [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] getdents64(3, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] getdents64(3, [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6022] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] lstat("./172/binderfs", [pid 4996] umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6024] <... close resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] unlink("./172/binderfs" [pid 4998] lstat("./172/binderfs", [pid 4996] lstat("./160/binderfs", [pid 5001] <... unlink resumed>) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] getdents64(3, [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] unlink("./160/binderfs" [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] unlink("./172/binderfs" [pid 4996] <... unlink resumed>) = 0 [pid 6026] <... openat resumed>) = 3 [pid 5001] close(3 [pid 4998] <... unlink resumed>) = 0 [pid 4996] getdents64(3, [pid 6024] symlink("/dev/binderfs", "./binderfs" [pid 6022] <... mmap resumed>) = 0x20fff000 [pid 5001] <... close resumed>) = 0 [pid 4998] getdents64(3, [pid 6026] write(3, "1000", 4 [pid 5001] rmdir("./172" [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6026] <... write resumed>) = 4 [pid 6024] <... symlink resumed>) = 0 [pid 6022] exit_group(0 [pid 5001] <... rmdir resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] close(3 [pid 6026] close(3 [pid 6022] <... exit_group resumed>) = ? [pid 5001] mkdir("./173", 0777 [pid 4998] close(3 [pid 4996] <... close resumed>) = 0 [pid 6026] <... close resumed>) = 0 [pid 6024] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... mkdir resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4996] rmdir("./160" [pid 6026] symlink("/dev/binderfs", "./binderfs" [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] rmdir("./172" [pid 6026] <... symlink resumed>) = 0 [pid 6022] +++ exited with 0 +++ [pid 4996] <... rmdir resumed>) = 0 [pid 6026] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6027 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6022, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6024] <... openat resumed>) = 3 [pid 4998] <... rmdir resumed>) = 0 [pid 4996] mkdir("./161", 0777 [pid 6026] <... openat resumed>) = 3 [pid 4998] mkdir("./173", 0777 [pid 6026] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 4996] <... mkdir resumed>) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 6024] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6026] exit_group(0) = ? [pid 6026] +++ exited with 0 +++ [pid 5002] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 6027 attached [pid 5002] fstat(3, [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6028 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6029 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6026, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] getdents64(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... openat resumed>) = 3 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] fstat(3, [pid 5002] lstat("./176/binderfs", [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] getdents64(3, [pid 6027] chdir("./173" [pid 5002] unlink("./176/binderfs" [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6024] <... mmap resumed>) = 0x20fff000 [pid 6027] <... chdir resumed>) = 0 [pid 5002] <... unlink resumed>) = 0 [pid 5002] getdents64(3, [pid 4997] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6029 attached [pid 6027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] close(3 [pid 4997] lstat("./166/binderfs", [pid 6029] chdir("./161" [pid 6027] <... prctl resumed>) = 0 [pid 6024] exit_group(0 [pid 5002] <... close resumed>) = 0 [pid 6029] <... chdir resumed>) = 0 [pid 6027] setpgid(0, 0 [pid 6024] <... exit_group resumed>) = ? [pid 5002] rmdir("./176" [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6027] <... setpgid resumed>) = 0 [pid 6029] <... prctl resumed>) = 0 [pid 6027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... rmdir resumed>) = 0 [pid 4997] unlink("./166/binderfs" [pid 5002] mkdir("./177", 0777 [pid 6029] setpgid(0, 0 [pid 6027] <... openat resumed>) = 3 [pid 4997] <... unlink resumed>) = 0 [pid 6029] <... setpgid resumed>) = 0 [pid 6027] write(3, "1000", 4 [pid 6029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... mkdir resumed>) = 0 [pid 4997] getdents64(3, [pid 6029] <... openat resumed>) = 3 [pid 6027] <... write resumed>) = 4 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6029] write(3, "1000", 4 [pid 6027] close(3 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6029] <... write resumed>) = 4 [pid 6027] <... close resumed>) = 0 [pid 6029] close(3 [pid 6027] symlink("/dev/binderfs", "./binderfs" [pid 6029] <... close resumed>) = 0 [pid 6027] <... symlink resumed>) = 0 [pid 4997] close(3 [pid 6029] symlink("/dev/binderfs", "./binderfs" [pid 6027] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6030 [pid 4997] <... close resumed>) = 0 [pid 6029] <... symlink resumed>) = 0 [pid 6029] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4997] rmdir("./166"./strace-static-x86_64: Process 6028 attached [pid 6029] <... openat resumed>) = 3 [pid 6027] <... openat resumed>) = 3 [pid 6024] +++ exited with 0 +++ [pid 6029] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6027] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6029] <... mmap resumed>) = 0x20fff000 [pid 6028] chdir("./173" [pid 6027] <... mmap resumed>) = 0x20fff000 [pid 4997] <... rmdir resumed>) = 0 [pid 6029] exit_group(0 [pid 6028] <... chdir resumed>) = 0 [pid 6027] exit_group(0./strace-static-x86_64: Process 6030 attached [pid 6029] <... exit_group resumed>) = ? [pid 6027] <... exit_group resumed>) = ? [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6024, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] mkdir("./167", 0777 [pid 6030] chdir("./177" [pid 6029] +++ exited with 0 +++ [pid 6028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6027] +++ exited with 0 +++ [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 6030] <... chdir resumed>) = 0 [pid 6030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6030] setpgid(0, 0) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] <... mkdir resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 6030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6028] <... prctl resumed>) = 0 [pid 6030] <... openat resumed>) = 3 [pid 5001] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6030] write(3, "1000", 4) = 4 [pid 6030] close(3) = 0 [pid 6030] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6029, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6028] setpgid(0, 0 [pid 5001] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6031 [pid 6030] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... openat resumed>) = 3 [pid 5000] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] fstat(3, [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... openat resumed>) = 3 [pid 6030] <... openat resumed>) = 3 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] fstat(3, [pid 4996] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6030] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] getdents64(3, [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... openat resumed>) = 3 [pid 6030] <... mmap resumed>) = 0x20fff000 [pid 6028] <... setpgid resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] getdents64(3, [pid 4996] fstat(3, [pid 5001] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] lstat("./173/binderfs", [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] getdents64(3, [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] lstat("./173/binderfs", [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./173/binderfs" [pid 5000] unlink("./173/binderfs" [pid 4996] umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6031 attached [pid 6030] exit_group(0 [pid 5001] <... unlink resumed>) = 0 [pid 6031] chdir("./167" [pid 6030] <... exit_group resumed>) = ? [pid 5000] <... unlink resumed>) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6031] <... chdir resumed>) = 0 [pid 6030] +++ exited with 0 +++ [pid 6028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] getdents64(3, [pid 5000] getdents64(3, [pid 4996] lstat("./161/binderfs", [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6030, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] close(3 [pid 5000] close(3 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] <... close resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5000] rmdir("./173" [pid 4996] unlink("./161/binderfs" [pid 5002] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] rmdir("./173" [pid 6031] <... prctl resumed>) = 0 [pid 6031] setpgid(0, 0) = 0 [pid 6031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... rmdir resumed>) = 0 [pid 6031] <... openat resumed>) = 3 [pid 6028] <... openat resumed>) = 3 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... rmdir resumed>) = 0 [pid 5000] mkdir("./174", 0777 [pid 4996] <... unlink resumed>) = 0 [pid 6031] write(3, "1000", 4 [pid 5002] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] mkdir("./174", 0777 [pid 6031] <... write resumed>) = 4 [pid 6031] close(3) = 0 [pid 6031] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... mkdir resumed>) = 0 [pid 4996] getdents64(3, [pid 6031] <... symlink resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 6031] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6028] write(3, "1000", 4 [pid 5002] <... openat resumed>) = 3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6031] <... openat resumed>) = 3 [pid 5002] fstat(3, [pid 6031] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 6031] exit_group(0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] close(3 [pid 6031] <... exit_group resumed>) = ? [pid 6031] +++ exited with 0 +++ [pid 6028] <... write resumed>) = 4 [pid 5002] getdents64(3, [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6032 [pid 4996] <... close resumed>) = 0 ./strace-static-x86_64: Process 6032 attached [pid 6032] chdir("./174") = 0 [pid 6032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6032] setpgid(0, 0) = 0 [pid 6032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6028] close(3 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6033 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6031, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] rmdir("./161" [pid 5002] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6033 attached [pid 6033] chdir("./174" [pid 4996] <... rmdir resumed>) = 0 [pid 4996] mkdir("./162", 0777 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6032] <... openat resumed>) = 3 [pid 4996] <... mkdir resumed>) = 0 [pid 5002] lstat("./177/binderfs", [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6028] <... close resumed>) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6033] <... chdir resumed>) = 0 [pid 6033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6033] setpgid(0, 0 [pid 6032] write(3, "1000", 4 [pid 6033] <... setpgid resumed>) = 0 [pid 6032] <... write resumed>) = 4 [pid 6033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6032] close(3 [pid 4997] <... openat resumed>) = 3 [pid 5002] unlink("./177/binderfs" [pid 6028] symlink("/dev/binderfs", "./binderfs" [pid 4997] fstat(3, [pid 6033] <... openat resumed>) = 3 [pid 6032] <... close resumed>) = 0 [pid 5002] <... unlink resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6034 [pid 5002] getdents64(3, [pid 4997] getdents64(3, [pid 6033] write(3, "1000", 4 [pid 6032] symlink("/dev/binderfs", "./binderfs" [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6028] <... symlink resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] close(3 [pid 4997] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... close resumed>) = 0 [pid 5002] rmdir("./177" [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6028] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6033] <... write resumed>) = 4 [pid 6032] <... symlink resumed>) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 4997] lstat("./167/binderfs", [pid 5002] mkdir("./178", 0777 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 6034 attached [pid 6033] close(3 [pid 6032] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... mkdir resumed>) = 0 [pid 4997] unlink("./167/binderfs" [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6034] chdir("./162" [pid 6033] <... close resumed>) = 0 [pid 6032] <... openat resumed>) = 3 [pid 4997] <... unlink resumed>) = 0 [pid 6034] <... chdir resumed>) = 0 [pid 6033] symlink("/dev/binderfs", "./binderfs" [pid 6032] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6033] <... symlink resumed>) = 0 [pid 6032] <... mmap resumed>) = 0x20fff000 [pid 6028] <... openat resumed>) = 3 [pid 4997] getdents64(3, [pid 6034] <... prctl resumed>) = 0 [pid 6033] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6032] exit_group(0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6035 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6028] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6034] setpgid(0, 0 [pid 6033] <... openat resumed>) = 3 [pid 6032] <... exit_group resumed>) = ? [pid 4997] close(3 [pid 6034] <... setpgid resumed>) = 0 [pid 6033] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6032] +++ exited with 0 +++ [pid 6028] <... mmap resumed>) = 0x20fff000 [pid 4997] <... close resumed>) = 0 [pid 6034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6033] <... mmap resumed>) = 0x20fff000 [pid 4997] rmdir("./167" [pid 6034] <... openat resumed>) = 3 [pid 6033] exit_group(0 [pid 6028] exit_group(0 [pid 6034] write(3, "1000", 4 [pid 6033] <... exit_group resumed>) = ? [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6032, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6035 attached [pid 6034] <... write resumed>) = 4 [pid 6033] +++ exited with 0 +++ [pid 6028] <... exit_group resumed>) = ? [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 4997] <... rmdir resumed>) = 0 [pid 6035] chdir("./178" [pid 6034] close(3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6033, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] mkdir("./168", 0777 [pid 6035] <... chdir resumed>) = 0 [pid 6034] <... close resumed>) = 0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 6035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6034] symlink("/dev/binderfs", "./binderfs" [pid 6035] <... prctl resumed>) = 0 [pid 6034] <... symlink resumed>) = 0 [pid 6035] setpgid(0, 0 [pid 6034] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4997] <... mkdir resumed>) = 0 [pid 6035] <... setpgid resumed>) = 0 [pid 6034] <... openat resumed>) = 3 [pid 6035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6034] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6035] <... openat resumed>) = 3 [pid 6034] <... mmap resumed>) = 0x20fff000 [pid 6028] +++ exited with 0 +++ [pid 5001] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6035] write(3, "1000", 4 [pid 6034] exit_group(0 [pid 6035] <... write resumed>) = 4 [pid 6034] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6036 attached [pid 6035] close(3 [pid 6034] +++ exited with 0 +++ [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6028, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6036 [pid 6035] <... close resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 6035] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... openat resumed>) = 3 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6034, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] fstat(3, [pid 5000] fstat(3, [pid 4996] umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] getdents64(3, [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] getdents64(3, [pid 4996] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... openat resumed>) = 3 [pid 6035] <... symlink resumed>) = 0 [pid 5001] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... openat resumed>) = 3 [pid 4996] fstat(3, [pid 6035] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] fstat(3, [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6035] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] lstat("./174/binderfs", [pid 5000] lstat("./174/binderfs", [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] getdents64(3, [pid 6036] chdir("./168" [pid 6035] <... mmap resumed>) = 0x20fff000 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6035] exit_group(0 [pid 5001] unlink("./174/binderfs" [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] getdents64(3, [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6035] <... exit_group resumed>) = ? [pid 6036] <... chdir resumed>) = 0 [pid 6035] +++ exited with 0 +++ [pid 5001] <... unlink resumed>) = 0 [pid 5000] unlink("./174/binderfs" [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] getdents64(3, [pid 6036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] <... unlink resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6035, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5000] getdents64(3, [pid 4998] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6036] <... prctl resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] close(3 [pid 4996] lstat("./162/binderfs", [pid 6036] setpgid(0, 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5000] close(3 [pid 4998] lstat("./173/binderfs", [pid 6036] <... setpgid resumed>) = 0 [pid 5001] rmdir("./174" [pid 5000] <... close resumed>) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] rmdir("./174" [pid 4998] unlink("./173/binderfs" [pid 6036] <... openat resumed>) = 3 [pid 5002] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... rmdir resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4996] unlink("./162/binderfs" [pid 6036] write(3, "1000", 4 [pid 4998] getdents64(3, [pid 6036] <... write resumed>) = 4 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6036] close(3 [pid 5002] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] mkdir("./175", 0777 [pid 5000] mkdir("./175", 0777 [pid 4998] close(3 [pid 4996] <... unlink resumed>) = 0 [pid 6036] <... close resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 4998] <... close resumed>) = 0 [pid 6036] symlink("/dev/binderfs", "./binderfs" [pid 4998] rmdir("./173" [pid 6036] <... symlink resumed>) = 0 [pid 5002] fstat(3, [pid 5001] <... mkdir resumed>) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 4996] getdents64(3, [pid 6036] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] mkdir("./174", 0777 [pid 6036] <... openat resumed>) = 3 [pid 5002] getdents64(3, [pid 4998] <... mkdir resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6036] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6036] <... mmap resumed>) = 0x20fff000 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] close(3 [pid 6036] exit_group(0 [pid 5002] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6037 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6038 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6039 [pid 6036] <... exit_group resumed>) = ? [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... close resumed>) = 0 ./strace-static-x86_64: Process 6038 attached [pid 6036] +++ exited with 0 +++ [pid 5002] lstat("./178/binderfs", [pid 4996] rmdir("./162" [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 6037 attached [pid 6037] chdir("./175" [pid 5002] unlink("./178/binderfs" [pid 4996] <... rmdir resumed>) = 0 [pid 6037] <... chdir resumed>) = 0 [pid 6037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5002] <... unlink resumed>) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6036, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] getdents64(3, [pid 4996] mkdir("./163", 0777 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 6037] setpgid(0, 0) = 0 [pid 6037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4996] <... mkdir resumed>) = 0 [pid 5002] close(3 [pid 4997] <... restart_syscall resumed>) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6037] write(3, "1000", 4 [pid 5002] <... close resumed>) = 0 [pid 6037] <... write resumed>) = 4 [pid 6037] close(3) = 0 [pid 6037] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6039 attached ) = 0 [pid 5002] rmdir("./178" [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6040 [pid 6039] chdir("./174" [pid 6037] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... rmdir resumed>) = 0 [pid 4997] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6039] <... chdir resumed>) = 0 [pid 6037] <... openat resumed>) = 3 [pid 5002] mkdir("./179", 0777 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6037] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6039] <... prctl resumed>) = 0 [pid 6037] <... mmap resumed>) = 0x20fff000 [pid 5002] <... mkdir resumed>) = 0 [pid 6038] chdir("./175" [pid 4997] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6039] setpgid(0, 0 [pid 6038] <... chdir resumed>) = 0 [pid 6037] exit_group(0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6040 attached [pid 6039] <... setpgid resumed>) = 0 [pid 6037] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6041 attached [pid 6040] chdir("./163" [pid 6039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6038] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6037] +++ exited with 0 +++ [pid 4997] fstat(3, [pid 6040] <... chdir resumed>) = 0 [pid 6039] <... openat resumed>) = 3 [pid 6038] <... prctl resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6041 [pid 6040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6039] write(3, "1000", 4 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6037, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6040] <... prctl resumed>) = 0 [pid 6039] <... write resumed>) = 4 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 4997] getdents64(3, [pid 6040] setpgid(0, 0 [pid 6039] close(3 [pid 6040] <... setpgid resumed>) = 0 [pid 6039] <... close resumed>) = 0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6039] symlink("/dev/binderfs", "./binderfs" [pid 6038] setpgid(0, 0 [pid 6041] chdir("./179" [pid 6040] <... openat resumed>) = 3 [pid 6039] <... symlink resumed>) = 0 [pid 4997] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6040] write(3, "1000", 4 [pid 6039] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6038] <... setpgid resumed>) = 0 [pid 6041] <... chdir resumed>) = 0 [pid 6040] <... write resumed>) = 4 [pid 6039] <... openat resumed>) = 3 [pid 5001] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6040] close(3 [pid 6039] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./168/binderfs", [pid 6041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6040] <... close resumed>) = 0 [pid 6039] <... mmap resumed>) = 0x20fff000 [pid 6038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6040] symlink("/dev/binderfs", "./binderfs" [pid 6039] exit_group(0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6040] <... symlink resumed>) = 0 [pid 6039] <... exit_group resumed>) = ? [pid 6038] <... openat resumed>) = 3 [pid 5001] <... openat resumed>) = 3 [pid 4997] unlink("./168/binderfs" [pid 6041] <... prctl resumed>) = 0 [pid 6040] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6039] +++ exited with 0 +++ [pid 5001] fstat(3, [pid 6041] setpgid(0, 0 [pid 6040] <... openat resumed>) = 3 [pid 6038] write(3, "1000", 4 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 6040] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6038] <... write resumed>) = 4 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6039, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6041] <... setpgid resumed>) = 0 [pid 6040] <... mmap resumed>) = 0x20fff000 [pid 6038] close(3 [pid 5001] getdents64(3, [pid 4998] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] getdents64(3, [pid 6040] exit_group(0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6040] <... exit_group resumed>) = ? [pid 4998] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6040] +++ exited with 0 +++ [pid 6038] <... close resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... openat resumed>) = 3 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6038] symlink("/dev/binderfs", "./binderfs" [pid 5001] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] fstat(3, [pid 4997] close(3 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6040, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... close resumed>) = 0 [pid 5001] lstat("./175/binderfs", [pid 4998] getdents64(3, [pid 4997] rmdir("./168" [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 6038] <... symlink resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6041] <... openat resumed>) = 3 [pid 6038] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] unlink("./175/binderfs" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... rmdir resumed>) = 0 [pid 4996] <... restart_syscall resumed>) = 0 [pid 6041] write(3, "1000", 4 [pid 4998] lstat("./174/binderfs", [pid 6041] <... write resumed>) = 4 [pid 5001] <... unlink resumed>) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] mkdir("./169", 0777 [pid 6041] close(3 [pid 6038] <... openat resumed>) = 3 [pid 5001] getdents64(3, [pid 4998] unlink("./174/binderfs" [pid 6041] <... close resumed>) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 6041] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] getdents64(3, [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6041] <... symlink resumed>) = 0 [pid 6038] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] close(3 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6041] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] close(3 [pid 4996] umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6041] <... openat resumed>) = 3 [pid 4998] <... close resumed>) = 0 [pid 6041] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] rmdir("./174" [pid 6041] <... mmap resumed>) = 0x20fff000 [pid 6038] <... mmap resumed>) = 0x20fff000 [pid 5001] <... close resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6041] exit_group(0 [pid 5001] rmdir("./175" [pid 4998] mkdir("./175", 0777 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6042 [pid 4996] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6041] <... exit_group resumed>) = ? [pid 6038] exit_group(0 [pid 5001] <... rmdir resumed>) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 6041] +++ exited with 0 +++ [pid 6038] <... exit_group resumed>) = ? [pid 5001] mkdir("./176", 0777 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... openat resumed>) = 3 [pid 5001] <... mkdir resumed>) = 0 [pid 4996] fstat(3, [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6041, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6043 ./strace-static-x86_64: Process 6042 attached [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6042] chdir("./169") = 0 [pid 6042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4996] getdents64(3, [pid 5002] <... restart_syscall resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6044 [pid 6042] <... prctl resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6042] setpgid(0, 0 [pid 5002] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] lstat("./163/binderfs", [pid 5002] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6042] <... setpgid resumed>) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... openat resumed>) = 3 [pid 6042] <... openat resumed>) = 3 [pid 5002] fstat(3, [pid 4996] unlink("./163/binderfs" [pid 6042] write(3, "1000", 4 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6042] <... write resumed>) = 4 [pid 4996] <... unlink resumed>) = 0 [pid 5002] getdents64(3, [pid 4996] getdents64(3, [pid 6042] close(3 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] close(3 [pid 6038] +++ exited with 0 +++ [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./179/binderfs", [pid 4996] <... close resumed>) = 0 ./strace-static-x86_64: Process 6043 attached [pid 6042] <... close resumed>) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6038, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] rmdir("./163" [pid 6043] chdir("./175" [pid 6042] symlink("/dev/binderfs", "./binderfs" [pid 5002] unlink("./179/binderfs" [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 6043] <... chdir resumed>) = 0 [pid 6042] <... symlink resumed>) = 0 [pid 4996] <... rmdir resumed>) = 0 [pid 6043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6042] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... unlink resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 4996] mkdir("./164", 0777./strace-static-x86_64: Process 6044 attached [pid 6043] <... prctl resumed>) = 0 [pid 6042] <... openat resumed>) = 3 [pid 5002] getdents64(3, [pid 6043] setpgid(0, 0 [pid 6042] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6043] <... setpgid resumed>) = 0 [pid 6042] <... mmap resumed>) = 0x20fff000 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... mkdir resumed>) = 0 [pid 6044] chdir("./176" [pid 6043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6042] exit_group(0 [pid 5002] close(3 [pid 5000] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6043] <... openat resumed>) = 3 [pid 6042] <... exit_group resumed>) = ? [pid 5002] <... close resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6044] <... chdir resumed>) = 0 [pid 6043] write(3, "1000", 4 [pid 6042] +++ exited with 0 +++ [pid 5002] rmdir("./179" [pid 5000] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6043] <... write resumed>) = 4 [pid 6043] close(3) = 0 [pid 6043] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... rmdir resumed>) = 0 [pid 6044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6043] <... symlink resumed>) = 0 [pid 5002] mkdir("./180", 0777 [pid 5000] <... openat resumed>) = 3 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6042, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6045 [pid 6043] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6044] <... prctl resumed>) = 0 [pid 6043] <... openat resumed>) = 3 [pid 5002] <... mkdir resumed>) = 0 [pid 5000] fstat(3, [pid 6043] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6044] setpgid(0, 0 [pid 6043] <... mmap resumed>) = 0x20fff000 [pid 6043] exit_group(0) = ? [pid 6044] <... setpgid resumed>) = 0 [pid 6043] +++ exited with 0 +++ [pid 5000] getdents64(3, [pid 4997] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6046 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6043, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6045 attached [pid 6044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6045] chdir("./164" [pid 6044] <... openat resumed>) = 3 [pid 5000] lstat("./175/binderfs", [pid 4998] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6045] <... chdir resumed>) = 0 [pid 6044] write(3, "1000", 4 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... openat resumed>) = 3 [pid 6045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6044] <... write resumed>) = 4 [pid 5000] unlink("./175/binderfs" [pid 4998] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6046 attached [pid 6045] <... prctl resumed>) = 0 [pid 6044] close(3 [pid 5000] <... unlink resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 4997] fstat(3, [pid 6046] chdir("./180" [pid 6045] setpgid(0, 0 [pid 6044] <... close resumed>) = 0 [pid 5000] getdents64(3, [pid 4998] fstat(3, [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6046] <... chdir resumed>) = 0 [pid 6045] <... setpgid resumed>) = 0 [pid 6044] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, [pid 6046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6044] <... symlink resumed>) = 0 [pid 5000] close(3 [pid 4998] getdents64(3, [pid 6046] <... prctl resumed>) = 0 [pid 6045] <... openat resumed>) = 3 [pid 6044] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... close resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6046] setpgid(0, 0 [pid 6045] write(3, "1000", 4 [pid 5000] rmdir("./175" [pid 4998] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6046] <... setpgid resumed>) = 0 [pid 6045] <... write resumed>) = 4 [pid 6044] <... openat resumed>) = 3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6045] close(3 [pid 6044] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] lstat("./175/binderfs", [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6046] <... openat resumed>) = 3 [pid 6045] <... close resumed>) = 0 [pid 5000] mkdir("./176", 0777 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] lstat("./169/binderfs", [pid 6046] write(3, "1000", 4 [pid 6045] symlink("/dev/binderfs", "./binderfs" [pid 4998] unlink("./175/binderfs" [pid 6046] <... write resumed>) = 4 [pid 6045] <... symlink resumed>) = 0 [pid 6044] <... mmap resumed>) = 0x20fff000 [pid 5000] <... mkdir resumed>) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6046] close(3 [pid 6045] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] getdents64(3, [pid 4997] unlink("./169/binderfs" [pid 6046] <... close resumed>) = 0 [pid 6045] <... openat resumed>) = 3 [pid 6044] exit_group(0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6046] symlink("/dev/binderfs", "./binderfs" [pid 6045] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] close(3 [pid 6046] <... symlink resumed>) = 0 [pid 6045] <... mmap resumed>) = 0x20fff000 [pid 6044] <... exit_group resumed>) = ? [pid 4998] <... close resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 6046] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6045] exit_group(0 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6047 [pid 4998] rmdir("./175" [pid 4997] getdents64(3, [pid 6046] <... openat resumed>) = 3 [pid 6045] <... exit_group resumed>) = ? [pid 4998] <... rmdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6046] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6045] +++ exited with 0 +++ [pid 6044] +++ exited with 0 +++ [pid 4998] mkdir("./176", 0777 [pid 4997] close(3 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6045, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6046] <... mmap resumed>) = 0x20fff000 [pid 4998] <... mkdir resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 6046] exit_group(0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6044, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] rmdir("./169" [pid 6046] <... exit_group resumed>) = ? [pid 5001] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6048 attached ./strace-static-x86_64: Process 6047 attached [pid 6046] +++ exited with 0 +++ [pid 5001] <... restart_syscall resumed>) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6048 [pid 4997] <... rmdir resumed>) = 0 [pid 6047] chdir("./176") = 0 [pid 4997] mkdir("./170", 0777 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6046, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6047] <... prctl resumed>) = 0 [pid 6047] setpgid(0, 0) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 6047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6047] <... openat resumed>) = 3 [pid 5002] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... openat resumed>) = 3 [pid 4996] umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6047] write(3, "1000", 4) = 4 [pid 6047] close(3) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6047] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 5002] fstat(3, [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6049 [pid 4996] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, [pid 4996] <... openat resumed>) = 3 [pid 5001] getdents64(3, [pid 4996] fstat(3, [pid 6047] <... symlink resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6047] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6048] chdir("./176" [pid 6047] <... openat resumed>) = 3 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] getdents64(3, ./strace-static-x86_64: Process 6049 attached [pid 6047] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] lstat("./180/binderfs", [pid 5001] lstat("./176/binderfs", [pid 6049] chdir("./170" [pid 6048] <... chdir resumed>) = 0 [pid 6047] <... mmap resumed>) = 0x20fff000 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6049] <... chdir resumed>) = 0 [pid 6048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6047] exit_group(0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6047] <... exit_group resumed>) = ? [pid 5002] unlink("./180/binderfs" [pid 5001] unlink("./176/binderfs" [pid 4996] umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6049] <... prctl resumed>) = 0 [pid 6048] <... prctl resumed>) = 0 [pid 6047] +++ exited with 0 +++ [pid 5002] <... unlink resumed>) = 0 [pid 6049] setpgid(0, 0) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6047, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] lstat("./164/binderfs", [pid 6049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... unlink resumed>) = 0 [pid 5002] getdents64(3, [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] getdents64(3, [pid 4996] unlink("./164/binderfs" [pid 5002] close(3 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 6049] <... openat resumed>) = 3 [pid 5001] close(3 [pid 5002] <... close resumed>) = 0 [pid 4996] <... unlink resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 6049] write(3, "1000", 4 [pid 5001] rmdir("./176" [pid 4996] getdents64(3, [pid 5002] rmdir("./180" [pid 5000] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6049] <... write resumed>) = 4 [pid 6049] close(3) = 0 [pid 6049] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6049] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... rmdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] close(3 [pid 6049] <... openat resumed>) = 3 [pid 5002] mkdir("./181", 0777 [pid 5001] mkdir("./177", 0777 [pid 6049] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 6049] exit_group(0 [pid 5000] <... openat resumed>) = 3 [pid 4996] <... close resumed>) = 0 [pid 6049] <... exit_group resumed>) = ? [pid 6049] +++ exited with 0 +++ [pid 6048] setpgid(0, 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] fstat(3, [pid 4996] rmdir("./164" [pid 6048] <... setpgid resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] getdents64(3, [pid 4996] <... rmdir resumed>) = 0 [pid 6048] <... openat resumed>) = 3 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6049, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] mkdir("./165", 0777 [pid 6048] write(3, "1000", 4) = 4 [pid 6048] close(3) = 0 [pid 6048] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6048] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6048] <... openat resumed>) = 3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... mkdir resumed>) = 0 [pid 6048] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5000] lstat("./176/binderfs", [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6050 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6051 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6048] exit_group(0) = ? [pid 5000] unlink("./176/binderfs" [pid 4997] <... openat resumed>) = 3 [pid 6048] +++ exited with 0 +++ [pid 5000] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6050 attached [pid 5000] getdents64(3, [pid 4997] fstat(3, [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6048, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6052 [pid 5000] close(3 [pid 4998] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... close resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] rmdir("./176" [pid 4998] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] getdents64(3, [pid 6050] chdir("./181" [pid 5000] <... rmdir resumed>) = 0 [pid 6050] <... chdir resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 5000] mkdir("./177", 0777 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] fstat(3, ./strace-static-x86_64: Process 6052 attached ./strace-static-x86_64: Process 6051 attached [pid 6050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6052] chdir("./165" [pid 6050] <... prctl resumed>) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6052] <... chdir resumed>) = 0 [pid 6050] setpgid(0, 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] getdents64(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6050] <... setpgid resumed>) = 0 [pid 6052] <... prctl resumed>) = 0 [pid 6050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6052] setpgid(0, 0 [pid 6050] <... openat resumed>) = 3 [pid 4997] lstat("./170/binderfs", [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6052] <... setpgid resumed>) = 0 [pid 6050] write(3, "1000", 4 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6050] <... write resumed>) = 4 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6053 [pid 4997] unlink("./170/binderfs" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6052] <... openat resumed>) = 3 [pid 6050] close(3 [pid 6052] write(3, "1000", 4 [pid 6050] <... close resumed>) = 0 [pid 6052] <... write resumed>) = 4 [pid 6050] symlink("/dev/binderfs", "./binderfs" [pid 4998] lstat("./176/binderfs", [pid 4997] <... unlink resumed>) = 0 [pid 6052] close(3 [pid 6051] chdir("./177" [pid 6050] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6053 attached [pid 6052] <... close resumed>) = 0 [pid 6051] <... chdir resumed>) = 0 [pid 6050] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] getdents64(3, [pid 6053] chdir("./177" [pid 6052] symlink("/dev/binderfs", "./binderfs" [pid 6051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6050] <... openat resumed>) = 3 [pid 4998] unlink("./176/binderfs" [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6053] <... chdir resumed>) = 0 [pid 6052] <... symlink resumed>) = 0 [pid 6051] <... prctl resumed>) = 0 [pid 6050] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6052] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6051] setpgid(0, 0 [pid 6050] <... mmap resumed>) = 0x20fff000 [pid 4998] <... unlink resumed>) = 0 [pid 4997] close(3 [pid 6053] <... prctl resumed>) = 0 [pid 6052] <... openat resumed>) = 3 [pid 6050] exit_group(0 [pid 6053] setpgid(0, 0 [pid 6052] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6051] <... setpgid resumed>) = 0 [pid 6050] <... exit_group resumed>) = ? [pid 4998] getdents64(3, [pid 4997] <... close resumed>) = 0 [pid 6053] <... setpgid resumed>) = 0 [pid 6052] <... mmap resumed>) = 0x20fff000 [pid 6051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6050] +++ exited with 0 +++ [pid 6053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6052] exit_group(0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6050, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] rmdir("./170" [pid 6053] <... openat resumed>) = 3 [pid 6052] <... exit_group resumed>) = ? [pid 6051] <... openat resumed>) = 3 [pid 4998] close(3 [pid 6053] write(3, "1000", 4 [pid 6052] +++ exited with 0 +++ [pid 6051] write(3, "1000", 4 [pid 4997] <... rmdir resumed>) = 0 [pid 6053] <... write resumed>) = 4 [pid 6051] <... write resumed>) = 4 [pid 4998] <... close resumed>) = 0 [pid 4997] mkdir("./171", 0777 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6052, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6053] close(3 [pid 6051] close(3 [pid 5002] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] rmdir("./176" [pid 6053] <... close resumed>) = 0 [pid 6053] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 6053] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... rmdir resumed>) = 0 [pid 6053] <... openat resumed>) = 3 [pid 6051] <... close resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6053] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6051] symlink("/dev/binderfs", "./binderfs" [pid 5002] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] mkdir("./177", 0777 [pid 6053] <... mmap resumed>) = 0x20fff000 [pid 6053] exit_group(0 [pid 4996] umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6053] <... exit_group resumed>) = ? [pid 5002] <... openat resumed>) = 3 [pid 6053] +++ exited with 0 +++ [pid 6051] <... symlink resumed>) = 0 [pid 5002] fstat(3, [pid 4998] <... mkdir resumed>) = 0 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6054 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6054 attached [pid 5002] getdents64(3, [pid 4996] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6053, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... openat resumed>) = 3 [pid 6054] chdir("./171" [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] fstat(3, [pid 6054] <... chdir resumed>) = 0 [pid 6054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6054] setpgid(0, 0) = 0 [pid 6054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6051] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] getdents64(3, [pid 5002] lstat("./181/binderfs", [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6055 [pid 5000] <... openat resumed>) = 3 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] unlink("./181/binderfs" [pid 5000] fstat(3, [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6054] <... openat resumed>) = 3 [pid 5002] <... unlink resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] lstat("./165/binderfs", [pid 6051] <... openat resumed>) = 3 [pid 5002] getdents64(3, [pid 5000] getdents64(3, [pid 6054] write(3, "1000", 4 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] unlink("./165/binderfs" [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6054] <... write resumed>) = 4 [pid 4996] <... unlink resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] getdents64(3, [pid 5002] close(3 [pid 5000] lstat("./177/binderfs", [pid 5002] <... close resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6055 attached [pid 6054] close(3 [pid 5002] rmdir("./181" [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6051] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4996] close(3 [pid 6055] chdir("./177" [pid 6054] <... close resumed>) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5000] unlink("./177/binderfs" [pid 5002] mkdir("./182", 0777 [pid 4996] <... close resumed>) = 0 [pid 6055] <... chdir resumed>) = 0 [pid 6054] symlink("/dev/binderfs", "./binderfs" [pid 6055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6054] <... symlink resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 4996] rmdir("./165" [pid 5002] <... mkdir resumed>) = 0 [pid 5000] getdents64(3, [pid 6055] <... prctl resumed>) = 0 [pid 6054] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6055] setpgid(0, 0 [pid 6054] <... openat resumed>) = 3 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... rmdir resumed>) = 0 [pid 6055] <... setpgid resumed>) = 0 [pid 6054] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6054] <... mmap resumed>) = 0x20fff000 [pid 5000] close(3 [pid 4996] mkdir("./166", 0777 [pid 6055] <... openat resumed>) = 3 [pid 6054] exit_group(0 [pid 6051] <... mmap resumed>) = 0x20fff000 [pid 6055] write(3, "1000", 4 [pid 6054] <... exit_group resumed>) = ? [pid 5000] <... close resumed>) = 0 [pid 6055] <... write resumed>) = 4 [pid 6054] +++ exited with 0 +++ [pid 6051] exit_group(0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6056 [pid 5000] rmdir("./177" [pid 4996] <... mkdir resumed>) = 0 [pid 6055] close(3) = 0 [pid 6055] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6051] <... exit_group resumed>) = ? [pid 5000] <... rmdir resumed>) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6054, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6055] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] mkdir("./178", 0777 [pid 4997] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6056 attached [pid 6055] <... openat resumed>) = 3 [pid 6056] chdir("./182" [pid 6055] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6056] <... chdir resumed>) = 0 [pid 6055] <... mmap resumed>) = 0x20fff000 [pid 5000] <... mkdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6057 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6055] exit_group(0 [pid 6056] <... prctl resumed>) = 0 [pid 6055] <... exit_group resumed>) = ? [pid 6056] setpgid(0, 0 [pid 6055] +++ exited with 0 +++ [pid 6051] +++ exited with 0 +++ [pid 4997] <... openat resumed>) = 3 [pid 6056] <... setpgid resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6051, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6058 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6055, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] fstat(3, ./strace-static-x86_64: Process 6058 attached [pid 6056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] getdents64(3, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6057 attached [pid 6056] write(3, "1000", 4 [pid 5001] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6057] chdir("./166" [pid 6056] <... write resumed>) = 4 [pid 6057] <... chdir resumed>) = 0 [pid 6056] close(3 [pid 5001] <... openat resumed>) = 3 [pid 4997] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6058] chdir("./178" [pid 6057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6056] <... close resumed>) = 0 [pid 5001] fstat(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6057] <... prctl resumed>) = 0 [pid 6056] symlink("/dev/binderfs", "./binderfs" [pid 4998] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6057] setpgid(0, 0 [pid 6056] <... symlink resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./171/binderfs", [pid 5001] getdents64(3, [pid 6057] <... setpgid resumed>) = 0 [pid 6056] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6058] <... chdir resumed>) = 0 [pid 6057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6056] <... openat resumed>) = 3 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... openat resumed>) = 3 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6057] <... openat resumed>) = 3 [pid 6056] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] fstat(3, [pid 4997] unlink("./171/binderfs" [pid 6058] <... prctl resumed>) = 0 [pid 6057] write(3, "1000", 4 [pid 6056] <... mmap resumed>) = 0x20fff000 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6058] setpgid(0, 0 [pid 6057] <... write resumed>) = 4 [pid 6056] exit_group(0 [pid 5001] lstat("./177/binderfs", [pid 4998] getdents64(3, [pid 4997] <... unlink resumed>) = 0 [pid 6058] <... setpgid resumed>) = 0 [pid 6057] close(3 [pid 6056] <... exit_group resumed>) = ? [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] getdents64(3, [pid 6058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6057] <... close resumed>) = 0 [pid 6056] +++ exited with 0 +++ [pid 5001] unlink("./177/binderfs" [pid 4998] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6057] symlink("/dev/binderfs", "./binderfs" [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6056, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6058] <... openat resumed>) = 3 [pid 6057] <... symlink resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5001] <... unlink resumed>) = 0 [pid 4998] lstat("./177/binderfs", [pid 4997] close(3 [pid 6058] write(3, "1000", 4 [pid 6057] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... restart_syscall resumed>) = 0 [pid 5001] getdents64(3, [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6058] <... write resumed>) = 4 [pid 6057] <... openat resumed>) = 3 [pid 4998] unlink("./177/binderfs" [pid 4997] <... close resumed>) = 0 [pid 6058] close(3 [pid 6057] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4997] rmdir("./171" [pid 6058] <... close resumed>) = 0 [pid 6057] <... mmap resumed>) = 0x20fff000 [pid 5002] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] close(3 [pid 4998] getdents64(3, [pid 6057] exit_group(0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... rmdir resumed>) = 0 [pid 6058] symlink("/dev/binderfs", "./binderfs" [pid 6057] <... exit_group resumed>) = ? [pid 5002] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... close resumed>) = 0 [pid 4998] close(3 [pid 4997] mkdir("./172", 0777 [pid 6058] <... symlink resumed>) = 0 [pid 6057] +++ exited with 0 +++ [pid 5002] <... openat resumed>) = 3 [pid 5001] rmdir("./177" [pid 4998] <... close resumed>) = 0 [pid 4998] rmdir("./177") = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 4998] mkdir("./178", 0777 [pid 5001] <... rmdir resumed>) = 0 [pid 6058] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] fstat(3, [pid 5001] mkdir("./178", 0777 [pid 4998] <... mkdir resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6057, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6059 [pid 5002] getdents64(3, [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6060 [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 6060 attached [pid 6060] chdir("./172") = 0 [pid 6060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6060] setpgid(0, 0 [pid 4996] <... restart_syscall resumed>) = 0 [pid 5002] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6061 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6058] <... openat resumed>) = 3 [pid 4996] umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6058] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] unlink("./182/binderfs" [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6060] <... setpgid resumed>) = 0 [pid 6060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... unlink resumed>) = 0 [pid 4996] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] getdents64(3, 0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... openat resumed>) = 3 [pid 5002] close(3 [pid 4996] fstat(3, [pid 5002] <... close resumed>) = 0 [pid 6060] <... openat resumed>) = 3 [pid 5002] rmdir("./182" [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6060] write(3, "1000", 4 [pid 6058] <... mmap resumed>) = 0x20fff000 [pid 6060] <... write resumed>) = 4 [pid 6060] close(3 [pid 5002] <... rmdir resumed>) = 0 [pid 6060] <... close resumed>) = 0 [pid 5002] mkdir("./183", 0777 [pid 4996] getdents64(3, [pid 6060] symlink("/dev/binderfs", "./binderfs" [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6060] <... symlink resumed>) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 4996] umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6060] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6058] exit_group(0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6059 attached [pid 6060] <... openat resumed>) = 3 [pid 6060] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6059] chdir("./178"./strace-static-x86_64: Process 6061 attached [pid 6060] <... mmap resumed>) = 0x20fff000 [pid 6059] <... chdir resumed>) = 0 [pid 6058] <... exit_group resumed>) = ? [pid 4996] lstat("./166/binderfs", [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6062 [pid 6060] exit_group(0 [pid 6059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6060] <... exit_group resumed>) = ? [pid 4996] unlink("./166/binderfs" [pid 6060] +++ exited with 0 +++ [pid 6059] <... prctl resumed>) = 0 [pid 6058] +++ exited with 0 +++ [pid 6059] setpgid(0, 0 [pid 4996] <... unlink resumed>) = 0 [pid 6059] <... setpgid resumed>) = 0 [pid 4996] getdents64(3, [pid 6061] chdir("./178" [pid 6059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6058, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6060, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 4996] close(3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6062 attached [pid 6059] <... openat resumed>) = 3 [pid 5000] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... restart_syscall resumed>) = 0 [pid 4996] <... close resumed>) = 0 [pid 6062] chdir("./183" [pid 6059] write(3, "1000", 4 [pid 6061] <... chdir resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 4996] rmdir("./166" [pid 6062] <... chdir resumed>) = 0 [pid 6061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6059] <... write resumed>) = 4 [pid 5000] fstat(3, [pid 6062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6059] close(3 [pid 6062] <... prctl resumed>) = 0 [pid 6059] <... close resumed>) = 0 [pid 4996] <... rmdir resumed>) = 0 [pid 6062] setpgid(0, 0 [pid 6059] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6062] <... setpgid resumed>) = 0 [pid 6061] <... prctl resumed>) = 0 [pid 6059] <... symlink resumed>) = 0 [pid 4996] mkdir("./167", 0777 [pid 6062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6061] setpgid(0, 0 [pid 6059] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] getdents64(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6062] <... openat resumed>) = 3 [pid 6061] <... setpgid resumed>) = 0 [pid 6059] <... openat resumed>) = 3 [pid 4996] <... mkdir resumed>) = 0 [pid 6062] write(3, "1000", 4 [pid 6059] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6062] <... write resumed>) = 4 [pid 6061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6059] <... mmap resumed>) = 0x20fff000 [pid 5000] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... openat resumed>) = 3 [pid 6062] close(3 [pid 6059] exit_group(0 [pid 6062] <... close resumed>) = 0 [pid 6059] <... exit_group resumed>) = ? [pid 6062] symlink("/dev/binderfs", "./binderfs" [pid 6061] <... openat resumed>) = 3 [pid 6059] +++ exited with 0 +++ [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] fstat(3, [pid 6062] <... symlink resumed>) = 0 [pid 6061] write(3, "1000", 4 [pid 5000] lstat("./178/binderfs", [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6059, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6062] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6061] <... write resumed>) = 4 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6063 [pid 6062] <... openat resumed>) = 3 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] getdents64(3, [pid 6062] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] unlink("./178/binderfs" [pid 6062] <... mmap resumed>) = 0x20fff000 [pid 6061] close(3 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6062] exit_group(0 [pid 6061] <... close resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 4998] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6063 attached [pid 6062] <... exit_group resumed>) = ? [pid 6061] symlink("/dev/binderfs", "./binderfs" [pid 5000] getdents64(3, [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6063] chdir("./167" [pid 6062] +++ exited with 0 +++ [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] lstat("./172/binderfs", [pid 5000] close(3 [pid 4998] <... openat resumed>) = 3 [pid 6063] <... chdir resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6062, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] <... close resumed>) = 0 [pid 4998] fstat(3, [pid 6063] <... prctl resumed>) = 0 [pid 6063] setpgid(0, 0) = 0 [pid 6063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] rmdir("./178" [pid 4997] unlink("./172/binderfs" [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 6061] <... symlink resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6063] <... openat resumed>) = 3 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] getdents64(3, [pid 5002] <... restart_syscall resumed>) = 0 [pid 5000] mkdir("./179", 0777 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6063] write(3, "1000", 4) = 4 [pid 6063] close(3) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 6063] symlink("/dev/binderfs", "./binderfs" [pid 4998] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6063] <... symlink resumed>) = 0 [pid 5002] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... unlink resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6063] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 6063] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 6061] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] lstat("./178/binderfs", [pid 4997] getdents64(3, [pid 6063] exit_group(0 [pid 5002] <... openat resumed>) = 3 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6063] <... exit_group resumed>) = ? [pid 6063] +++ exited with 0 +++ [pid 6061] <... openat resumed>) = 3 [pid 5002] fstat(3, [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6064 [pid 4998] unlink("./178/binderfs" [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6064 attached [pid 6064] chdir("./179" [pid 6061] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] getdents64(3, [pid 4998] <... unlink resumed>) = 0 [pid 4997] close(3 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6063, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6064] <... chdir resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] getdents64(3, [pid 4997] <... close resumed>) = 0 [pid 5002] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] rmdir("./172" [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] close(3 [pid 6064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6064] setpgid(0, 0) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 5002] lstat("./183/binderfs", [pid 4998] <... close resumed>) = 0 [pid 4997] mkdir("./173", 0777 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] rmdir("./178" [pid 6064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... mkdir resumed>) = 0 [pid 5002] unlink("./183/binderfs" [pid 6064] <... openat resumed>) = 3 [pid 4998] <... rmdir resumed>) = 0 [pid 6064] write(3, "1000", 4) = 4 [pid 6064] close(3 [pid 5002] <... unlink resumed>) = 0 [pid 6064] <... close resumed>) = 0 [pid 5002] getdents64(3, [pid 4998] mkdir("./179", 0777 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6064] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5002] close(3 [pid 4998] <... mkdir resumed>) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6064] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 6064] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5002] <... close resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] rmdir("./183" [pid 6064] exit_group(0) = ? ./strace-static-x86_64: Process 6065 attached [pid 4996] <... openat resumed>) = 3 [pid 6065] chdir("./173") = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6066 [pid 5002] mkdir("./184", 0777 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6065 [pid 4996] fstat(3, [pid 6064] +++ exited with 0 +++ [pid 6061] <... mmap resumed>) = 0x20fff000 [pid 5002] <... mkdir resumed>) = 0 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6064, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] getdents64(3, [pid 6065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6065] setpgid(0, 0) = 0 [pid 6065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6067 [pid 4996] umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6065] write(3, "1000", 4 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6061] exit_group(0 [pid 4996] lstat("./167/binderfs", [pid 6061] <... exit_group resumed>) = ? [pid 6065] <... write resumed>) = 4 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6065] close(3 [pid 4996] unlink("./167/binderfs" [pid 6065] <... close resumed>) = 0 [pid 6065] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4996] <... unlink resumed>) = 0 [pid 4996] getdents64(3, ./strace-static-x86_64: Process 6066 attached [pid 6065] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] close(3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... close resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] rmdir("./167"./strace-static-x86_64: Process 6067 attached [pid 6066] chdir("./179" [pid 6065] <... openat resumed>) = 3 [pid 5000] <... openat resumed>) = 3 [pid 4996] <... rmdir resumed>) = 0 [pid 5000] fstat(3, [pid 4996] mkdir("./168", 0777 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6067] chdir("./184" [pid 6066] <... chdir resumed>) = 0 [pid 6065] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4996] <... mkdir resumed>) = 0 [pid 5000] getdents64(3, [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6067] <... chdir resumed>) = 0 [pid 6066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6065] <... mmap resumed>) = 0x20fff000 [pid 5000] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6068 [pid 6061] +++ exited with 0 +++ [pid 5000] lstat("./179/binderfs", [pid 6067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6066] <... prctl resumed>) = 0 [pid 6065] exit_group(0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6061, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6067] <... prctl resumed>) = 0 [pid 6066] setpgid(0, 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 6067] setpgid(0, 0 [pid 6066] <... setpgid resumed>) = 0 [pid 6065] <... exit_group resumed>) = ? [pid 5000] unlink("./179/binderfs"./strace-static-x86_64: Process 6068 attached [pid 6067] <... setpgid resumed>) = 0 [pid 6066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6065] +++ exited with 0 +++ [pid 5001] <... restart_syscall resumed>) = 0 [pid 6068] chdir("./168" [pid 6067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6066] <... openat resumed>) = 3 [pid 5000] <... unlink resumed>) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6065, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6068] <... chdir resumed>) = 0 [pid 6067] <... openat resumed>) = 3 [pid 6066] write(3, "1000", 4 [pid 6067] write(3, "1000", 4 [pid 6066] <... write resumed>) = 4 [pid 5000] getdents64(3, [pid 6068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6067] <... write resumed>) = 4 [pid 6066] close(3 [pid 6067] close(3 [pid 6066] <... close resumed>) = 0 [pid 5001] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6068] <... prctl resumed>) = 0 [pid 6067] <... close resumed>) = 0 [pid 6066] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] close(3 [pid 6067] symlink("/dev/binderfs", "./binderfs" [pid 6066] <... symlink resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6068] setpgid(0, 0 [pid 6067] <... symlink resumed>) = 0 [pid 6066] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... close resumed>) = 0 [pid 4997] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6068] <... setpgid resumed>) = 0 [pid 6067] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6066] <... openat resumed>) = 3 [pid 5001] <... openat resumed>) = 3 [pid 5000] rmdir("./179" [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6067] <... openat resumed>) = 3 [pid 6066] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] fstat(3, [pid 6068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6067] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6066] <... mmap resumed>) = 0x20fff000 [pid 5000] <... rmdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6068] <... openat resumed>) = 3 [pid 6067] <... mmap resumed>) = 0x20fff000 [pid 6066] exit_group(0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] mkdir("./180", 0777 [pid 6068] write(3, "1000", 4 [pid 6067] exit_group(0 [pid 6066] <... exit_group resumed>) = ? [pid 4997] <... openat resumed>) = 3 [pid 6068] <... write resumed>) = 4 [pid 6067] <... exit_group resumed>) = ? [pid 6066] +++ exited with 0 +++ [pid 5001] getdents64(3, [pid 5000] <... mkdir resumed>) = 0 [pid 4997] fstat(3, [pid 6068] close(3 [pid 6067] +++ exited with 0 +++ [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6068] <... close resumed>) = 0 [pid 6068] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6066, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] getdents64(3, [pid 5001] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6067, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 5002] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./178/binderfs", [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6069 [pid 4998] <... restart_syscall resumed>) = 0 [pid 4997] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6069 attached [pid 5002] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... openat resumed>) = 3 [pid 6068] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] fstat(3, [pid 5001] unlink("./178/binderfs" [pid 6069] chdir("./180" [pid 4997] lstat("./173/binderfs", [pid 6068] <... openat resumed>) = 3 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6068] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... unlink resumed>) = 0 [pid 4998] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6069] <... chdir resumed>) = 0 [pid 6068] <... mmap resumed>) = 0x20fff000 [pid 5002] getdents64(3, [pid 5001] getdents64(3, [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6068] exit_group(0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] unlink("./173/binderfs" [pid 6068] <... exit_group resumed>) = ? [pid 5002] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] close(3 [pid 6069] <... prctl resumed>) = 0 [pid 6068] +++ exited with 0 +++ [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... openat resumed>) = 3 [pid 4997] <... unlink resumed>) = 0 [pid 6069] setpgid(0, 0 [pid 5002] lstat("./184/binderfs", [pid 5001] <... close resumed>) = 0 [pid 4998] fstat(3, [pid 4997] getdents64(3, [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6068, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6069] <... setpgid resumed>) = 0 [pid 5002] unlink("./184/binderfs" [pid 5001] rmdir("./178" [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 5002] <... unlink resumed>) = 0 [pid 4997] close(3 [pid 6069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... rmdir resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 4996] <... restart_syscall resumed>) = 0 [pid 5002] getdents64(3, [pid 5001] mkdir("./179", 0777 [pid 4998] getdents64(3, [pid 4997] rmdir("./173" [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6069] <... openat resumed>) = 3 [pid 5001] <... mkdir resumed>) = 0 [pid 6069] write(3, "1000", 4) = 4 [pid 4997] <... rmdir resumed>) = 0 [pid 6069] close(3 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] close(3 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] mkdir("./174", 0777 [pid 4998] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6069] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 6069] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6069] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5002] rmdir("./184" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6069] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4997] <... mkdir resumed>) = 0 [pid 4998] lstat("./179/binderfs", [pid 4996] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6069] <... mmap resumed>) = 0x20fff000 [pid 5002] <... rmdir resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6070 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... openat resumed>) = 3 [pid 5002] mkdir("./185", 0777 [pid 4998] unlink("./179/binderfs" [pid 6069] exit_group(0) = ? [pid 4998] <... unlink resumed>) = 0 [pid 4996] fstat(3, [pid 5002] <... mkdir resumed>) = 0 [pid 4998] getdents64(3, [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6071 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6069] +++ exited with 0 +++ ./strace-static-x86_64: Process 6070 attached [pid 6070] chdir("./179") = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6069, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] close(3 [pid 4996] getdents64(3, [pid 4998] <... close resumed>) = 0 [pid 6070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6072 [pid 4998] rmdir("./179" [pid 4996] umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6070] <... prctl resumed>) = 0 [pid 6070] setpgid(0, 0) = 0 [pid 6070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] <... rmdir resumed>) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] mkdir("./180", 0777 [pid 4996] lstat("./168/binderfs", [pid 6070] <... openat resumed>) = 3 [pid 6070] write(3, "1000", 4 [pid 4998] <... mkdir resumed>) = 0 [pid 6070] <... write resumed>) = 4 [pid 6070] close(3 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] unlink("./168/binderfs" [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6072 attached [pid 6070] <... close resumed>) = 0 [pid 6072] chdir("./185" [pid 6070] symlink("/dev/binderfs", "./binderfs" [pid 6072] <... chdir resumed>) = 0 [pid 6070] <... symlink resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6070] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... openat resumed>) = 3 [pid 4996] <... unlink resumed>) = 0 [pid 5000] fstat(3, [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6073 [pid 4996] getdents64(3, [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] getdents64(3, [pid 4996] close(3 [pid 6072] <... prctl resumed>) = 0 [pid 6070] <... openat resumed>) = 3 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... close resumed>) = 0 [pid 5000] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] rmdir("./168" [pid 6072] setpgid(0, 0 [pid 6070] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6071 attached [pid 6072] <... setpgid resumed>) = 0 [pid 6070] <... mmap resumed>) = 0x20fff000 [pid 5000] lstat("./180/binderfs", [pid 4996] <... rmdir resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] mkdir("./169", 0777 [pid 5000] unlink("./180/binderfs"./strace-static-x86_64: Process 6073 attached [pid 6072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6070] exit_group(0 [pid 5000] <... unlink resumed>) = 0 [pid 4996] <... mkdir resumed>) = 0 [pid 6073] chdir("./180" [pid 6072] <... openat resumed>) = 3 [pid 5000] getdents64(3, [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6073] <... chdir resumed>) = 0 [pid 6072] write(3, "1000", 4 [pid 6070] <... exit_group resumed>) = ? [pid 6073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6072] <... write resumed>) = 4 [pid 6071] chdir("./174" [pid 6070] +++ exited with 0 +++ [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6073] <... prctl resumed>) = 0 [pid 6072] close(3 [pid 6073] setpgid(0, 0 [pid 6072] <... close resumed>) = 0 [pid 6071] <... chdir resumed>) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6070, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] close(3 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6074 [pid 6073] <... setpgid resumed>) = 0 [pid 6072] symlink("/dev/binderfs", "./binderfs" [pid 6071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] <... close resumed>) = 0 [pid 6073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6072] <... symlink resumed>) = 0 [pid 6073] <... openat resumed>) = 3 [pid 6072] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6071] <... prctl resumed>) = 0 [pid 5000] rmdir("./180" [pid 6073] write(3, "1000", 4 [pid 6072] <... openat resumed>) = 3 [pid 6071] setpgid(0, 0 [pid 5001] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6074 attached [pid 6073] <... write resumed>) = 4 [pid 6072] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] <... rmdir resumed>) = 0 [pid 6074] chdir("./169" [pid 6073] close(3 [pid 6072] <... mmap resumed>) = 0x20fff000 [pid 6071] <... setpgid resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] mkdir("./181", 0777 [pid 6074] <... chdir resumed>) = 0 [pid 6073] <... close resumed>) = 0 [pid 6072] exit_group(0 [pid 6074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6073] symlink("/dev/binderfs", "./binderfs" [pid 6072] <... exit_group resumed>) = ? [pid 5001] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6074] <... prctl resumed>) = 0 [pid 6073] <... symlink resumed>) = 0 [pid 6072] +++ exited with 0 +++ [pid 6071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... mkdir resumed>) = 0 [pid 6074] setpgid(0, 0 [pid 6073] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6072, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] <... openat resumed>) = 3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6074] <... setpgid resumed>) = 0 [pid 6073] <... openat resumed>) = 3 [pid 6071] <... openat resumed>) = 3 [pid 6074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6073] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] fstat(3, [pid 6074] <... openat resumed>) = 3 [pid 6073] <... mmap resumed>) = 0x20fff000 [pid 6071] write(3, "1000", 4 [pid 6074] write(3, "1000", 4 [pid 6073] exit_group(0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6075 [pid 6071] <... write resumed>) = 4 [pid 6074] <... write resumed>) = 4 [pid 6073] <... exit_group resumed>) = ? [pid 5001] getdents64(3, [pid 6074] close(3 [pid 6073] +++ exited with 0 +++ [pid 6071] close(3 [pid 6074] <... close resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6074] symlink("/dev/binderfs", "./binderfs" [pid 5001] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6073, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6071] <... close resumed>) = 0 [pid 6074] <... symlink resumed>) = 0 [pid 5002] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6074] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6071] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6075 attached [pid 6074] <... openat resumed>) = 3 [pid 5001] lstat("./179/binderfs", [pid 6075] chdir("./181" [pid 6074] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6071] <... symlink resumed>) = 0 [pid 5002] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6075] <... chdir resumed>) = 0 [pid 6074] <... mmap resumed>) = 0x20fff000 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6074] exit_group(0 [pid 6071] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... openat resumed>) = 3 [pid 5001] unlink("./179/binderfs" [pid 4998] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6075] <... prctl resumed>) = 0 [pid 6074] <... exit_group resumed>) = ? [pid 5002] fstat(3, [pid 6075] setpgid(0, 0 [pid 6074] +++ exited with 0 +++ [pid 6071] <... openat resumed>) = 3 [pid 5001] <... unlink resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6071] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] getdents64(3, [pid 4998] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] getdents64(3, [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] close(3 [pid 4998] <... openat resumed>) = 3 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6075] <... setpgid resumed>) = 0 [pid 6075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... close resumed>) = 0 [pid 4998] fstat(3, [pid 4996] umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6071] <... mmap resumed>) = 0x20fff000 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] rmdir("./179" [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./185/binderfs", [pid 6075] <... openat resumed>) = 3 [pid 6075] write(3, "1000", 4 [pid 5001] <... rmdir resumed>) = 0 [pid 6075] <... write resumed>) = 4 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] getdents64(3, [pid 4996] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] mkdir("./180", 0777 [pid 6075] close(3 [pid 6071] exit_group(0 [pid 5002] unlink("./185/binderfs" [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6075] <... close resumed>) = 0 [pid 4996] <... openat resumed>) = 3 [pid 6075] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 4998] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] fstat(3, [pid 6075] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6071] <... exit_group resumed>) = ? [pid 5002] <... unlink resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] getdents64(3, [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6075] <... openat resumed>) = 3 [pid 6075] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 4998] lstat("./180/binderfs", [pid 4996] getdents64(3, [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6076 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] close(3 [pid 4998] unlink("./180/binderfs" [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] <... close resumed>) = 0 [pid 6075] exit_group(0 [pid 4998] <... unlink resumed>) = 0 [pid 5002] rmdir("./185" [pid 4998] getdents64(3, [pid 4996] umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6075] <... exit_group resumed>) = ? [pid 6075] +++ exited with 0 +++ [pid 5002] <... rmdir resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] mkdir("./186", 0777 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6075, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] close(3 [pid 4996] lstat("./169/binderfs", ./strace-static-x86_64: Process 6076 attached [pid 6076] chdir("./180" [pid 5002] <... mkdir resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] rmdir("./180" [pid 4996] unlink("./169/binderfs" [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6076] <... chdir resumed>) = 0 [pid 6076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6076] setpgid(0, 0) = 0 [pid 6076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6076] <... openat resumed>) = 3 [pid 5000] <... openat resumed>) = 3 [pid 4996] <... unlink resumed>) = 0 [pid 6076] write(3, "1000", 4) = 4 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6077 [pid 5000] fstat(3, [pid 4998] <... rmdir resumed>) = 0 [pid 4996] getdents64(3, [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] mkdir("./181", 0777 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] getdents64(3, [pid 6076] close(3 [pid 4998] <... mkdir resumed>) = 0 [pid 6076] <... close resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] close(3 [pid 6071] +++ exited with 0 +++ [pid 5000] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6076] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6077 attached ) = 0 ./strace-static-x86_64: Process 6078 attached [pid 6077] chdir("./186" [pid 6076] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... close resumed>) = 0 [pid 6077] <... chdir resumed>) = 0 [pid 6076] <... openat resumed>) = 3 [pid 5000] lstat("./181/binderfs", [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6071, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6078 [pid 4996] rmdir("./169" [pid 6077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6076] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6077] <... prctl resumed>) = 0 [pid 6076] <... mmap resumed>) = 0x20fff000 [pid 5000] unlink("./181/binderfs" [pid 4996] <... rmdir resumed>) = 0 [pid 6078] chdir("./181" [pid 6077] setpgid(0, 0 [pid 6076] exit_group(0 [pid 5000] <... unlink resumed>) = 0 [pid 4996] mkdir("./170", 0777 [pid 5000] getdents64(3, [pid 4997] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6077] <... setpgid resumed>) = 0 [pid 6076] <... exit_group resumed>) = ? [pid 6078] <... chdir resumed>) = 0 [pid 6077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6076] +++ exited with 0 +++ [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... mkdir resumed>) = 0 [pid 6078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6076, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] close(3 [pid 4997] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6078] <... prctl resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 6077] <... openat resumed>) = 3 [pid 5000] rmdir("./181" [pid 4997] fstat(3, [pid 6077] write(3, "1000", 4) = 4 [pid 6077] close(3) = 0 [pid 6077] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6077] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... rmdir resumed>) = 0 [pid 5001] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6079 [pid 6078] setpgid(0, 0 [pid 6077] <... openat resumed>) = 3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] mkdir("./182", 0777 [pid 4997] getdents64(3, [pid 6078] <... setpgid resumed>) = 0 [pid 6077] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6077] <... mmap resumed>) = 0x20fff000 [pid 6077] exit_group(0) = ? [pid 5000] <... mkdir resumed>) = 0 [pid 6078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6077] +++ exited with 0 +++ [pid 5001] <... openat resumed>) = 3 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] fstat(3, [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6079 attached [pid 6079] chdir("./170") = 0 [pid 6079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6079] setpgid(0, 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6079] <... setpgid resumed>) = 0 [pid 6079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6078] <... openat resumed>) = 3 [pid 5002] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] getdents64(3, [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6080 [pid 4997] lstat("./174/binderfs", [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] unlink("./174/binderfs" [pid 5002] <... openat resumed>) = 3 [pid 6079] <... openat resumed>) = 3 [pid 4997] <... unlink resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] fstat(3, [pid 4997] getdents64(3, [pid 6078] write(3, "1000", 4 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] lstat("./180/binderfs", [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] getdents64(3, [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] close(3 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] unlink("./180/binderfs" [pid 5002] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... close resumed>) = 0 ./strace-static-x86_64: Process 6080 attached [pid 6079] write(3, "1000", 4 [pid 5001] <... unlink resumed>) = 0 [pid 4997] rmdir("./174" [pid 6078] <... write resumed>) = 4 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] getdents64(3, [pid 6080] chdir("./182" [pid 6079] <... write resumed>) = 4 [pid 6080] <... chdir resumed>) = 0 [pid 6079] close(3 [pid 6078] close(3 [pid 5002] lstat("./186/binderfs", [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 6080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6079] <... close resumed>) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6080] <... prctl resumed>) = 0 [pid 6079] symlink("/dev/binderfs", "./binderfs" [pid 6078] <... close resumed>) = 0 [pid 5002] unlink("./186/binderfs" [pid 5001] close(3 [pid 4997] mkdir("./175", 0777 [pid 6080] setpgid(0, 0 [pid 6079] <... symlink resumed>) = 0 [pid 6080] <... setpgid resumed>) = 0 [pid 6079] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... unlink resumed>) = 0 [pid 6080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6079] <... openat resumed>) = 3 [pid 6078] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... close resumed>) = 0 [pid 5002] getdents64(3, [pid 4997] <... mkdir resumed>) = 0 [pid 6080] <... openat resumed>) = 3 [pid 6079] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] rmdir("./180" [pid 6080] write(3, "1000", 4 [pid 6079] <... mmap resumed>) = 0x20fff000 [pid 6078] <... symlink resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6080] <... write resumed>) = 4 [pid 6079] exit_group(0 [pid 6080] close(3 [pid 6079] <... exit_group resumed>) = ? [pid 5001] <... rmdir resumed>) = 0 [pid 6080] <... close resumed>) = 0 [pid 6079] +++ exited with 0 +++ [pid 6078] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] close(3 [pid 5001] mkdir("./181", 0777 [pid 6080] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... close resumed>) = 0 [pid 6080] <... symlink resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 6080] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] rmdir("./186" [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6081 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6079, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6080] <... openat resumed>) = 3 [pid 6078] <... openat resumed>) = 3 [pid 6080] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5002] <... rmdir resumed>) = 0 [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 6080] exit_group(0) = ? [pid 6080] +++ exited with 0 +++ [pid 6078] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] mkdir("./187", 0777 [pid 4996] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6081 attached [pid 6081] chdir("./175" [pid 5002] <... mkdir resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6080, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6082 [pid 6081] <... chdir resumed>) = 0 [pid 6081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6081] setpgid(0, 0) = 0 [pid 6081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4996] umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6083 [pid 5000] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6082 attached [pid 6081] write(3, "1000", 4 [pid 5000] <... openat resumed>) = 3 [pid 4996] fstat(3, [pid 5000] fstat(3, [pid 6082] chdir("./181" [pid 6081] <... write resumed>) = 4 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6078] <... mmap resumed>) = 0x20fff000 [pid 5000] getdents64(3, [pid 4996] getdents64(3, [pid 6082] <... chdir resumed>) = 0 [pid 6081] close(3 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6078] exit_group(0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6078] <... exit_group resumed>) = ? [pid 5000] lstat("./182/binderfs", [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6083 attached [pid 6082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6081] <... close resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] lstat("./170/binderfs", [pid 5000] unlink("./182/binderfs" [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6083] chdir("./187" [pid 6082] <... prctl resumed>) = 0 [pid 6081] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... unlink resumed>) = 0 [pid 4996] unlink("./170/binderfs" [pid 6083] <... chdir resumed>) = 0 [pid 6082] setpgid(0, 0 [pid 6081] <... symlink resumed>) = 0 [pid 5000] getdents64(3, [pid 6083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6082] <... setpgid resumed>) = 0 [pid 6081] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6078] +++ exited with 0 +++ [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... unlink resumed>) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6078, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6083] <... prctl resumed>) = 0 [pid 6082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6081] <... openat resumed>) = 3 [pid 5000] close(3 [pid 4996] getdents64(3, [pid 6083] setpgid(0, 0 [pid 6082] <... openat resumed>) = 3 [pid 6081] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] <... close resumed>) = 0 [pid 6083] <... setpgid resumed>) = 0 [pid 6082] write(3, "1000", 4 [pid 6081] <... mmap resumed>) = 0x20fff000 [pid 5000] rmdir("./182" [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6082] <... write resumed>) = 4 [pid 6081] exit_group(0 [pid 6083] <... openat resumed>) = 3 [pid 6082] close(3 [pid 6081] <... exit_group resumed>) = ? [pid 5000] <... rmdir resumed>) = 0 [pid 4998] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] close(3 [pid 6083] write(3, "1000", 4 [pid 6082] <... close resumed>) = 0 [pid 6081] +++ exited with 0 +++ [pid 5000] mkdir("./183", 0777 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6083] <... write resumed>) = 4 [pid 6082] symlink("/dev/binderfs", "./binderfs" [pid 4996] <... close resumed>) = 0 [pid 6083] close(3 [pid 6082] <... symlink resumed>) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6081, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] rmdir("./170" [pid 6083] <... close resumed>) = 0 [pid 6082] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... openat resumed>) = 3 [pid 6083] symlink("/dev/binderfs", "./binderfs" [pid 6082] <... openat resumed>) = 3 [pid 4996] <... rmdir resumed>) = 0 [pid 6083] <... symlink resumed>) = 0 [pid 6082] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6083] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6082] <... mmap resumed>) = 0x20fff000 [pid 4998] fstat(3, [pid 4996] mkdir("./171", 0777 [pid 6083] <... openat resumed>) = 3 [pid 6082] exit_group(0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6083] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6082] <... exit_group resumed>) = ? [pid 4997] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6083] <... mmap resumed>) = 0x20fff000 [pid 6082] +++ exited with 0 +++ [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6084 [pid 4998] getdents64(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... mkdir resumed>) = 0 [pid 6083] exit_group(0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6082, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6083] <... exit_group resumed>) = ? [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6083] +++ exited with 0 +++ [pid 4998] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6084 attached [pid 6084] chdir("./183") = 0 [pid 6084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6084] setpgid(0, 0) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6083, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] lstat("./181/binderfs", [pid 4997] fstat(3, [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6085 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4998] unlink("./181/binderfs" [pid 4997] getdents64(3, [pid 5001] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6084] <... openat resumed>) = 3 [pid 4998] <... unlink resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] getdents64(3, [pid 4997] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... openat resumed>) = 3 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] fstat(3, [pid 4997] lstat("./175/binderfs", [pid 5002] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] close(3 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5001] getdents64(3, [pid 4998] <... close resumed>) = 0 [pid 4997] unlink("./175/binderfs" [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] rmdir("./181"./strace-static-x86_64: Process 6085 attached [pid 6084] write(3, "1000", 4 [pid 5002] fstat(3, [pid 4997] <... unlink resumed>) = 0 [pid 6085] chdir("./171" [pid 6084] <... write resumed>) = 4 [pid 4998] <... rmdir resumed>) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] mkdir("./182", 0777 [pid 4997] getdents64(3, [pid 5002] getdents64(3, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6085] <... chdir resumed>) = 0 [pid 6084] close(3 [pid 6085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6084] <... close resumed>) = 0 [pid 6085] <... prctl resumed>) = 0 [pid 6084] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] lstat("./181/binderfs", [pid 4998] <... mkdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6085] setpgid(0, 0 [pid 6084] <... symlink resumed>) = 0 [pid 5002] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6085] <... setpgid resumed>) = 0 [pid 6084] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] close(3 [pid 6085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6084] <... openat resumed>) = 3 [pid 5001] unlink("./181/binderfs" [pid 6085] <... openat resumed>) = 3 [pid 6084] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6085] write(3, "1000", 4 [pid 6084] <... mmap resumed>) = 0x20fff000 [pid 5002] lstat("./187/binderfs", [pid 5001] <... unlink resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 6085] <... write resumed>) = 4 [pid 6084] exit_group(0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6085] close(3 [pid 6084] <... exit_group resumed>) = ? [pid 5002] unlink("./187/binderfs" [pid 5001] getdents64(3, [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6086 [pid 4997] rmdir("./175" [pid 6085] <... close resumed>) = 0 [pid 6084] +++ exited with 0 +++ [pid 6085] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... unlink resumed>) = 0 [pid 6085] <... symlink resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6084, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6085] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] getdents64(3, [pid 5001] close(3 [pid 4997] <... rmdir resumed>) = 0 [pid 6085] <... openat resumed>) = 3 [pid 6085] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0./strace-static-x86_64: Process 6086 attached ) = 0x20fff000 [pid 6086] chdir("./182" [pid 6085] exit_group(0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... close resumed>) = 0 [pid 4997] mkdir("./176", 0777 [pid 6086] <... chdir resumed>) = 0 [pid 6085] <... exit_group resumed>) = ? [pid 5002] close(3 [pid 5001] rmdir("./181" [pid 6086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6085] +++ exited with 0 +++ [pid 5002] <... close resumed>) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 6086] <... prctl resumed>) = 0 [pid 6086] setpgid(0, 0) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 6086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] rmdir("./187" [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] mkdir("./182", 0777 [pid 6086] <... openat resumed>) = 3 [pid 5002] <... rmdir resumed>) = 0 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6085, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6086] write(3, "1000", 4) = 4 [pid 6086] close(3) = 0 [pid 6086] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6086] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6086] <... openat resumed>) = 3 [pid 5002] mkdir("./188", 0777 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6087 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6086] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5002] <... mkdir resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... openat resumed>) = 3 [pid 4996] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] fstat(3, [pid 6086] exit_group(0) = ? [pid 6086] +++ exited with 0 +++ ./strace-static-x86_64: Process 6087 attached [pid 6087] chdir("./176" [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... openat resumed>) = 3 [pid 6087] <... chdir resumed>) = 0 [pid 6087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6087] setpgid(0, 0) = 0 [pid 5000] getdents64(3, [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6086, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] fstat(3, [pid 6087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6087] write(3, "1000", 4) = 4 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6087] close(3 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6087] <... close resumed>) = 0 [pid 5000] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] getdents64(3, [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6089 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6088 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] lstat("./183/binderfs", [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] unlink("./183/binderfs" [pid 4998] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6088 attached [pid 6087] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... unlink resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 4996] lstat("./171/binderfs", [pid 5000] getdents64(3, [pid 4998] fstat(3, [pid 6088] chdir("./182" [pid 6087] <... symlink resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] close(3 [pid 4998] getdents64(3, [pid 4996] unlink("./171/binderfs" [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] <... close resumed>) = 0 ./strace-static-x86_64: Process 6089 attached [pid 6088] <... chdir resumed>) = 0 [pid 6087] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] rmdir("./183" [pid 4998] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... unlink resumed>) = 0 [pid 6089] chdir("./188" [pid 6088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6087] <... openat resumed>) = 3 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] getdents64(3, [pid 5000] mkdir("./184", 0777 [pid 4998] lstat("./182/binderfs", [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6089] <... chdir resumed>) = 0 [pid 6088] <... prctl resumed>) = 0 [pid 6087] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6088] setpgid(0, 0 [pid 6087] <... mmap resumed>) = 0x20fff000 [pid 5000] <... mkdir resumed>) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] close(3 [pid 6089] <... prctl resumed>) = 0 [pid 6088] <... setpgid resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] unlink("./182/binderfs" [pid 4996] <... close resumed>) = 0 [pid 6089] setpgid(0, 0 [pid 6088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6087] exit_group(0 [pid 6089] <... setpgid resumed>) = 0 [pid 6088] <... openat resumed>) = 3 [pid 6087] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6090 attached [pid 6089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6088] write(3, "1000", 4 [pid 4998] <... unlink resumed>) = 0 [pid 4996] rmdir("./171" [pid 6089] <... openat resumed>) = 3 [pid 6088] <... write resumed>) = 4 [pid 6087] +++ exited with 0 +++ [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6090 [pid 4998] getdents64(3, [pid 6089] write(3, "1000", 4 [pid 6088] close(3 [pid 6089] <... write resumed>) = 4 [pid 6088] <... close resumed>) = 0 [pid 4996] <... rmdir resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6089] close(3 [pid 6088] symlink("/dev/binderfs", "./binderfs" [pid 4998] close(3 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] mkdir("./172", 0777 [pid 6089] <... close resumed>) = 0 [pid 6088] <... symlink resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 6089] symlink("/dev/binderfs", "./binderfs" [pid 6088] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 6089] <... symlink resumed>) = 0 [pid 6088] <... openat resumed>) = 3 [pid 4998] rmdir("./182" [pid 4996] <... mkdir resumed>) = 0 [pid 6089] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6088] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4997] <... restart_syscall resumed>) = 0 [pid 6090] chdir("./184" [pid 6089] <... openat resumed>) = 3 [pid 6088] <... mmap resumed>) = 0x20fff000 [pid 4998] <... rmdir resumed>) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6089] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6088] exit_group(0 [pid 4998] mkdir("./183", 0777 [pid 6089] <... mmap resumed>) = 0x20fff000 [pid 6088] <... exit_group resumed>) = ? [pid 6090] <... chdir resumed>) = 0 [pid 6089] exit_group(0 [pid 6088] +++ exited with 0 +++ [pid 4998] <... mkdir resumed>) = 0 [pid 4997] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6089] <... exit_group resumed>) = ? [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6091 [pid 6090] <... prctl resumed>) = 0 [pid 6089] +++ exited with 0 +++ [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6088, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6091 attached [pid 6091] chdir("./172") = 0 [pid 6091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4997] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6091] setpgid(0, 0 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 6091] <... setpgid resumed>) = 0 [pid 4997] <... openat resumed>) = 3 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6089, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] <... restart_syscall resumed>) = 0 [pid 4997] fstat(3, [pid 5002] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6092 [pid 6090] setpgid(0, 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6090] <... setpgid resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5001] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] getdents64(3, [pid 6091] <... openat resumed>) = 3 [pid 6090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] fstat(3, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6091] write(3, "1000", 4 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6091] <... write resumed>) = 4 [pid 6090] <... openat resumed>) = 3 [pid 5002] getdents64(3, [pid 5001] <... openat resumed>) = 3 [pid 4997] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6091] close(3 [pid 6090] write(3, "1000", 4 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] fstat(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6092 attached [pid 6091] <... close resumed>) = 0 [pid 6090] <... write resumed>) = 4 [pid 5002] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] lstat("./176/binderfs", [pid 6092] chdir("./183" [pid 6091] symlink("/dev/binderfs", "./binderfs" [pid 6090] close(3 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] getdents64(3, [pid 6092] <... chdir resumed>) = 0 [pid 6091] <... symlink resumed>) = 0 [pid 6090] <... close resumed>) = 0 [pid 5002] lstat("./188/binderfs", [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6091] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6090] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] unlink("./176/binderfs" [pid 6092] <... prctl resumed>) = 0 [pid 6091] <... openat resumed>) = 3 [pid 5002] unlink("./188/binderfs" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6092] setpgid(0, 0 [pid 6091] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] lstat("./182/binderfs", [pid 4997] <... unlink resumed>) = 0 [pid 6092] <... setpgid resumed>) = 0 [pid 6091] <... mmap resumed>) = 0x20fff000 [pid 5002] <... unlink resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] getdents64(3, [pid 6092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6091] exit_group(0 [pid 6090] <... symlink resumed>) = 0 [pid 5002] getdents64(3, [pid 5001] unlink("./182/binderfs" [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6092] <... openat resumed>) = 3 [pid 6091] <... exit_group resumed>) = ? [pid 6090] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 4997] close(3 [pid 6092] write(3, "1000", 4 [pid 6091] +++ exited with 0 +++ [pid 5002] close(3 [pid 5001] getdents64(3, [pid 4997] <... close resumed>) = 0 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6091, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6092] <... write resumed>) = 4 [pid 6090] <... openat resumed>) = 3 [pid 5002] <... close resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] rmdir("./176" [pid 6092] close(3 [pid 6090] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] rmdir("./188" [pid 5001] close(3 [pid 6092] <... close resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 6092] symlink("/dev/binderfs", "./binderfs" [pid 5001] rmdir("./182" [pid 6092] <... symlink resumed>) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 6092] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] mkdir("./189", 0777 [pid 5001] mkdir("./183", 0777 [pid 4997] mkdir("./177", 0777 [pid 4996] umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6092] <... openat resumed>) = 3 [pid 6090] <... mmap resumed>) = 0x20fff000 [pid 5002] <... mkdir resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 6092] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... mkdir resumed>) = 0 [pid 6092] <... mmap resumed>) = 0x20fff000 [pid 6090] exit_group(0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6093 attached [pid 6092] exit_group(0 [pid 6090] <... exit_group resumed>) = ? [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6093 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6092] <... exit_group resumed>) = ? [pid 6092] +++ exited with 0 +++ [pid 4996] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6094 attached [pid 6094] chdir("./189"./strace-static-x86_64: Process 6095 attached ) = 0 [pid 6095] chdir("./177" [pid 6094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4996] <... openat resumed>) = 3 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6095 [pid 6090] +++ exited with 0 +++ [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6094 [pid 4996] fstat(3, [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] getdents64(3, [pid 6094] <... prctl resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6094] setpgid(0, 0 [pid 4996] umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6094] <... setpgid resumed>) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4996] lstat("./172/binderfs", [pid 6095] <... chdir resumed>) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6094] <... openat resumed>) = 3 [pid 6095] <... prctl resumed>) = 0 [pid 6094] write(3, "1000", 4 [pid 4996] unlink("./172/binderfs" [pid 6095] setpgid(0, 0 [pid 6094] <... write resumed>) = 4 [pid 4998] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6095] <... setpgid resumed>) = 0 [pid 6094] close(3 [pid 5000] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... unlink resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] getdents64(3, [pid 5000] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6094] <... close resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 4998] <... openat resumed>) = 3 [pid 4996] close(3 [pid 6095] <... openat resumed>) = 3 [pid 6094] symlink("/dev/binderfs", "./binderfs" [pid 6095] write(3, "1000", 4 [pid 6094] <... symlink resumed>) = 0 [pid 6093] chdir("./183" [pid 5000] fstat(3, [pid 4998] fstat(3, [pid 4996] <... close resumed>) = 0 [pid 6095] <... write resumed>) = 4 [pid 6094] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6095] close(3 [pid 6094] <... openat resumed>) = 3 [pid 5000] getdents64(3, [pid 4996] rmdir("./172" [pid 4998] getdents64(3, [pid 6095] <... close resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6095] symlink("/dev/binderfs", "./binderfs" [pid 6094] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6095] <... symlink resumed>) = 0 [pid 6094] <... mmap resumed>) = 0x20fff000 [pid 6093] <... chdir resumed>) = 0 [pid 5000] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... rmdir resumed>) = 0 [pid 6095] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6094] exit_group(0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6095] <... openat resumed>) = 3 [pid 6094] <... exit_group resumed>) = ? [pid 6093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] lstat("./184/binderfs", [pid 4998] lstat("./183/binderfs", [pid 4996] mkdir("./173", 0777 [pid 6095] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6094] +++ exited with 0 +++ [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6095] <... mmap resumed>) = 0x20fff000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] unlink("./184/binderfs" [pid 4996] <... mkdir resumed>) = 0 [pid 4998] unlink("./183/binderfs" [pid 6095] exit_group(0) = ? [pid 6095] +++ exited with 0 +++ [pid 6093] <... prctl resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] getdents64(3, [pid 4998] getdents64(3, [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6095, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6093] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6096 attached [pid 6093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] close(3 [pid 4998] close(3 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6096 [pid 5002] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... close resumed>) = 0 [pid 4998] <... close resumed>) = 0 [pid 6096] chdir("./173" [pid 6093] <... openat resumed>) = 3 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] rmdir("./184" [pid 4998] rmdir("./183" [pid 6096] <... chdir resumed>) = 0 [pid 6093] write(3, "1000", 4 [pid 5002] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... rmdir resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 4997] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6093] <... write resumed>) = 4 [pid 5002] fstat(3, [pid 5000] mkdir("./185", 0777 [pid 4998] mkdir("./184", 0777 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6096] <... prctl resumed>) = 0 [pid 6093] close(3 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6096] setpgid(0, 0 [pid 6093] <... close resumed>) = 0 [pid 5002] getdents64(3, [pid 5000] <... mkdir resumed>) = 0 [pid 4998] <... mkdir resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6096] <... setpgid resumed>) = 0 [pid 6093] symlink("/dev/binderfs", "./binderfs" [pid 5002] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... openat resumed>) = 3 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6097 ./strace-static-x86_64: Process 6097 attached [pid 6097] chdir("./185" [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] fstat(3, [pid 6096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] lstat("./189/binderfs", [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6098 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./189/binderfs" [pid 4997] getdents64(3, [pid 6097] <... chdir resumed>) = 0 [pid 6097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] <... unlink resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6097] <... prctl resumed>) = 0 [pid 5002] getdents64(3, [pid 4997] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6097] setpgid(0, 0 [pid 6093] <... symlink resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6097] <... setpgid resumed>) = 0 [pid 5002] close(3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6093] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... close resumed>) = 0 ./strace-static-x86_64: Process 6098 attached [pid 6097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6096] <... openat resumed>) = 3 [pid 5002] rmdir("./189" [pid 4997] lstat("./177/binderfs", [pid 6098] chdir("./184" [pid 6097] <... openat resumed>) = 3 [pid 6096] write(3, "1000", 4 [pid 5002] <... rmdir resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6098] <... chdir resumed>) = 0 [pid 6097] write(3, "1000", 4 [pid 5002] mkdir("./190", 0777 [pid 4997] unlink("./177/binderfs" [pid 6098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6097] <... write resumed>) = 4 [pid 6096] <... write resumed>) = 4 [pid 6093] <... openat resumed>) = 3 [pid 6098] <... prctl resumed>) = 0 [pid 6097] close(3 [pid 6098] setpgid(0, 0 [pid 6097] <... close resumed>) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 6098] <... setpgid resumed>) = 0 [pid 6097] symlink("/dev/binderfs", "./binderfs" [pid 6098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6097] <... symlink resumed>) = 0 [pid 6096] close(3 [pid 6093] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... unlink resumed>) = 0 [pid 6098] <... openat resumed>) = 3 [pid 6097] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6096] <... close resumed>) = 0 [pid 6098] write(3, "1000", 4 [pid 6097] <... openat resumed>) = 3 [pid 6098] <... write resumed>) = 4 [pid 6097] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6098] close(3 [pid 6097] <... mmap resumed>) = 0x20fff000 [pid 6096] symlink("/dev/binderfs", "./binderfs" [pid 6093] <... mmap resumed>) = 0x20fff000 [pid 4997] getdents64(3, [pid 6098] <... close resumed>) = 0 [pid 6097] exit_group(0 [pid 6098] symlink("/dev/binderfs", "./binderfs" [pid 6097] <... exit_group resumed>) = ? [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6099 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6098] <... symlink resumed>) = 0 [pid 6097] +++ exited with 0 +++ [pid 6096] <... symlink resumed>) = 0 [pid 6093] exit_group(0 [pid 4997] close(3 [pid 6098] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6097, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] <... close resumed>) = 0 [pid 6098] <... openat resumed>) = 3 [pid 6096] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6093] <... exit_group resumed>) = ? [pid 4997] rmdir("./177" [pid 6098] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0./strace-static-x86_64: Process 6099 attached ) = 0x20fff000 [pid 4997] <... rmdir resumed>) = 0 [pid 6099] chdir("./190" [pid 6098] exit_group(0 [pid 6096] <... openat resumed>) = 3 [pid 5000] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] mkdir("./178", 0777 [pid 6099] <... chdir resumed>) = 0 [pid 6098] <... exit_group resumed>) = ? [pid 6096] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6098] +++ exited with 0 +++ [pid 6093] +++ exited with 0 +++ [pid 5000] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... mkdir resumed>) = 0 [pid 6099] <... prctl resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] fstat(3, [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6098, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6099] setpgid(0, 0) = 0 [pid 6099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6099] write(3, "1000", 4 [pid 5001] <... restart_syscall resumed>) = 0 [pid 5000] getdents64(3, [pid 6099] <... write resumed>) = 4 [pid 6099] close(3 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6099] <... close resumed>) = 0 [pid 6099] symlink("/dev/binderfs", "./binderfs" [pid 5001] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6100 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] lstat("./185/binderfs", [pid 4998] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... openat resumed>) = 3 [pid 6099] <... symlink resumed>) = 0 [pid 5001] fstat(3, [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... openat resumed>) = 3 [pid 6099] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6096] <... mmap resumed>) = 0x20fff000 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] unlink("./185/binderfs" [pid 4998] fstat(3, ./strace-static-x86_64: Process 6100 attached [pid 6099] <... openat resumed>) = 3 [pid 5001] getdents64(3, [pid 6100] chdir("./178" [pid 6099] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] <... unlink resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6100] <... chdir resumed>) = 0 [pid 6099] <... mmap resumed>) = 0x20fff000 [pid 6096] exit_group(0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6099] exit_group(0 [pid 5001] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] getdents64(3, [pid 4998] getdents64(3, [pid 6096] <... exit_group resumed>) = ? [pid 6100] <... prctl resumed>) = 0 [pid 6099] <... exit_group resumed>) = ? [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6100] setpgid(0, 0 [pid 6099] +++ exited with 0 +++ [pid 6096] +++ exited with 0 +++ [pid 5001] lstat("./183/binderfs", [pid 5000] close(3 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... close resumed>) = 0 [pid 5001] unlink("./183/binderfs" [pid 4998] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] rmdir("./185" [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6100] <... setpgid resumed>) = 0 [pid 6100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6100] write(3, "1000", 4) = 4 [pid 6100] close(3) = 0 [pid 6100] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6100] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5001] <... unlink resumed>) = 0 [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 6100] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] <... rmdir resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... restart_syscall resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] getdents64(3, [pid 5000] mkdir("./186", 0777 [pid 4998] lstat("./184/binderfs", [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6100] <... mmap resumed>) = 0x20fff000 [pid 5000] <... mkdir resumed>) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5001] close(3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] unlink("./184/binderfs" [pid 5001] <... close resumed>) = 0 [pid 4996] umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6100] exit_group(0) = ? [pid 6100] +++ exited with 0 +++ [pid 5001] rmdir("./183" [pid 4998] <... unlink resumed>) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] getdents64(3, [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6101 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] close(3) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... openat resumed>) = 3 [pid 5002] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] rmdir("./184" [pid 4996] fstat(3, [pid 5002] <... openat resumed>) = 3 [pid 5001] <... rmdir resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 4997] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] fstat(3, [pid 4998] mkdir("./185", 0777 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] mkdir("./184", 0777 [pid 4998] <... mkdir resumed>) = 0 [pid 4996] getdents64(3, [pid 5002] getdents64(3, [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] <... mkdir resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 6101 attached [pid 5002] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6102 [pid 4997] <... openat resumed>) = 3 [pid 4996] umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6101] chdir("./186" [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6101] <... chdir resumed>) = 0 [pid 6101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4997] fstat(3, [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./190/binderfs", [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6103 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] lstat("./173/binderfs", [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] getdents64(3, [pid 5002] unlink("./190/binderfs" [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6101] setpgid(0, 0) = 0 [pid 5002] <... unlink resumed>) = 0 [pid 4996] unlink("./173/binderfs" [pid 5002] getdents64(3, [pid 4997] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... unlink resumed>) = 0 [pid 6101] <... openat resumed>) = 3 [pid 5002] close(3 [pid 4997] lstat("./178/binderfs", [pid 4996] getdents64(3, [pid 6101] write(3, "1000", 4 [pid 5002] <... close resumed>) = 0 ./strace-static-x86_64: Process 6103 attached [pid 6101] <... write resumed>) = 4 [pid 5002] rmdir("./190" [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6103] chdir("./184" [pid 6101] close(3 [pid 6103] <... chdir resumed>) = 0 [pid 6101] <... close resumed>) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 4997] unlink("./178/binderfs" [pid 4996] close(3 [pid 6103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6101] symlink("/dev/binderfs", "./binderfs" [pid 5002] mkdir("./191", 0777 [pid 6103] <... prctl resumed>) = 0 [pid 6101] <... symlink resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 4996] <... close resumed>) = 0 [pid 6103] setpgid(0, 0 [pid 6101] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6103] <... setpgid resumed>) = 0 [pid 6101] <... openat resumed>) = 3 [pid 5002] <... mkdir resumed>) = 0 [pid 4997] getdents64(3, [pid 4996] rmdir("./173"./strace-static-x86_64: Process 6102 attached [pid 6103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6101] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6103] <... openat resumed>) = 3 [pid 6102] chdir("./185" [pid 6101] <... mmap resumed>) = 0x20fff000 [pid 4996] <... rmdir resumed>) = 0 [pid 6103] write(3, "1000", 4 [pid 6101] exit_group(0 [pid 6103] <... write resumed>) = 4 [pid 6101] <... exit_group resumed>) = ? [pid 6103] close(3 [pid 6102] <... chdir resumed>) = 0 [pid 6101] +++ exited with 0 +++ [pid 4997] close(3 [pid 4996] mkdir("./174", 0777 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6104 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] <... close resumed>) = 0 [pid 6103] <... close resumed>) = 0 [pid 6103] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4997] rmdir("./178" [pid 4996] <... mkdir resumed>) = 0 [pid 6103] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 4997] <... rmdir resumed>) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] mkdir("./179", 0777 [pid 6103] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 6103] exit_group(0) = ? [pid 6103] +++ exited with 0 +++ [pid 6102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] <... mkdir resumed>) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6105 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6104 attached ) = -1 EINVAL (Invalid argument) [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6104] chdir("./191") = 0 [pid 6104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6104] setpgid(0, 0) = 0 [pid 6104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... openat resumed>) = 3 [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6106 [pid 5001] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] fstat(3, [pid 6102] <... prctl resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, [pid 5001] getdents64(3, ./strace-static-x86_64: Process 6105 attached [pid 6104] <... openat resumed>) = 3 [pid 6102] setpgid(0, 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6102] <... setpgid resumed>) = 0 [pid 5001] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./184/binderfs", [pid 5000] lstat("./186/binderfs", [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 6106 attached [pid 6105] chdir("./174" [pid 6104] write(3, "1000", 4 [pid 5001] unlink("./184/binderfs" [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6106] chdir("./179" [pid 6105] <... chdir resumed>) = 0 [pid 6104] <... write resumed>) = 4 [pid 6102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6106] <... chdir resumed>) = 0 [pid 6105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6104] close(3 [pid 5001] <... unlink resumed>) = 0 [pid 5000] unlink("./186/binderfs" [pid 6106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6105] <... prctl resumed>) = 0 [pid 6104] <... close resumed>) = 0 [pid 6102] <... openat resumed>) = 3 [pid 5001] getdents64(3, [pid 6106] <... prctl resumed>) = 0 [pid 6105] setpgid(0, 0 [pid 6104] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... unlink resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6102] write(3, "1000", 4 [pid 6106] setpgid(0, 0 [pid 6105] <... setpgid resumed>) = 0 [pid 6104] <... symlink resumed>) = 0 [pid 5001] close(3 [pid 5000] getdents64(3, [pid 6106] <... setpgid resumed>) = 0 [pid 6105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6104] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6102] <... write resumed>) = 4 [pid 5001] <... close resumed>) = 0 [pid 6106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6105] <... openat resumed>) = 3 [pid 6104] <... openat resumed>) = 3 [pid 6102] close(3 [pid 5001] rmdir("./184" [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6106] <... openat resumed>) = 3 [pid 6105] write(3, "1000", 4 [pid 6104] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6106] write(3, "1000", 4 [pid 6105] <... write resumed>) = 4 [pid 6104] <... mmap resumed>) = 0x20fff000 [pid 6102] <... close resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] close(3 [pid 6106] <... write resumed>) = 4 [pid 6105] close(3 [pid 6104] exit_group(0 [pid 6102] symlink("/dev/binderfs", "./binderfs" [pid 5001] mkdir("./185", 0777 [pid 5000] <... close resumed>) = 0 [pid 6106] close(3 [pid 6105] <... close resumed>) = 0 [pid 6104] <... exit_group resumed>) = ? [pid 6106] <... close resumed>) = 0 [pid 6105] symlink("/dev/binderfs", "./binderfs" [pid 6104] +++ exited with 0 +++ [pid 6102] <... symlink resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] rmdir("./186" [pid 6106] symlink("/dev/binderfs", "./binderfs" [pid 6105] <... symlink resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6106] <... symlink resumed>) = 0 [pid 6105] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6102] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... rmdir resumed>) = 0 [pid 6106] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6105] <... openat resumed>) = 3 [pid 6106] <... openat resumed>) = 3 [pid 6105] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6106] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6105] <... mmap resumed>) = 0x20fff000 [pid 6102] <... openat resumed>) = 3 [pid 5000] mkdir("./187", 0777 [pid 6106] <... mmap resumed>) = 0x20fff000 [pid 6105] exit_group(0 [pid 5002] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6107 [pid 6106] exit_group(0 [pid 6105] <... exit_group resumed>) = ? [pid 5000] <... mkdir resumed>) = 0 [pid 6106] <... exit_group resumed>) = ? [pid 6105] +++ exited with 0 +++ [pid 6102] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6106] +++ exited with 0 +++ [pid 5002] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 6107 attached [pid 6107] chdir("./185" [pid 5002] <... openat resumed>) = 3 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6106, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6107] <... chdir resumed>) = 0 [pid 6107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6107] setpgid(0, 0) = 0 [pid 6107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] fstat(3, [pid 6107] <... openat resumed>) = 3 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6108 [pid 6107] write(3, "1000", 4 [pid 5002] getdents64(3, [pid 6107] <... write resumed>) = 4 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6102] <... mmap resumed>) = 0x20fff000 [pid 5002] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./191/binderfs", [pid 6107] close(3) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] unlink("./191/binderfs" [pid 6107] symlink("/dev/binderfs", "./binderfs" [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6107] <... symlink resumed>) = 0 [pid 6102] exit_group(0 [pid 5002] <... unlink resumed>) = 0 [pid 4997] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6102] <... exit_group resumed>) = ? [pid 5002] getdents64(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... openat resumed>) = 3 [pid 5002] close(3 [pid 4997] <... openat resumed>) = 3 [pid 4996] fstat(3, [pid 5002] <... close resumed>) = 0 [pid 4997] fstat(3, [pid 5002] rmdir("./191" [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6108 attached [pid 6107] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... rmdir resumed>) = 0 [pid 4996] getdents64(3, [pid 4997] getdents64(3, [pid 6108] chdir("./187" [pid 6107] <... openat resumed>) = 3 [pid 5002] mkdir("./192", 0777 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6108] <... chdir resumed>) = 0 [pid 6107] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6107] <... mmap resumed>) = 0x20fff000 [pid 5002] <... mkdir resumed>) = 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] lstat("./179/binderfs", [pid 4996] lstat("./174/binderfs", [pid 6108] <... prctl resumed>) = 0 [pid 6107] exit_group(0 [pid 6108] setpgid(0, 0 [pid 6107] <... exit_group resumed>) = ? [pid 6108] <... setpgid resumed>) = 0 [pid 6107] +++ exited with 0 +++ [pid 6102] +++ exited with 0 +++ [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6109 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6102, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 4997] unlink("./179/binderfs" [pid 4996] unlink("./174/binderfs" [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 6108] write(3, "1000", 4) = 4 [pid 6108] close(3 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 4996] <... unlink resumed>) = 0 [pid 6108] <... close resumed>) = 0 [pid 4998] <... restart_syscall resumed>) = 0 [pid 6108] symlink("/dev/binderfs", "./binderfs" [pid 4997] <... unlink resumed>) = 0 [pid 6108] <... symlink resumed>) = 0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 4997] getdents64(3, [pid 4996] getdents64(3, [pid 6108] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC./strace-static-x86_64: Process 6109 attached ) = 3 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6109] chdir("./192" [pid 6108] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] close(3 [pid 4996] close(3 [pid 6109] <... chdir resumed>) = 0 [pid 6108] <... mmap resumed>) = 0x20fff000 [pid 5001] umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... close resumed>) = 0 [pid 6109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6108] exit_group(0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] rmdir("./179" [pid 4996] <... close resumed>) = 0 [pid 6109] <... prctl resumed>) = 0 [pid 6108] <... exit_group resumed>) = ? [pid 5001] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6109] setpgid(0, 0 [pid 6108] +++ exited with 0 +++ [pid 4998] <... openat resumed>) = 3 [pid 4997] <... rmdir resumed>) = 0 [pid 4996] rmdir("./174" [pid 5001] <... openat resumed>) = 3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] fstat(3, [pid 4997] mkdir("./180", 0777 [pid 6109] <... setpgid resumed>) = 0 [pid 6109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] fstat(3, [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... rmdir resumed>) = 0 [pid 6109] <... openat resumed>) = 3 [pid 4997] <... mkdir resumed>) = 0 [pid 6109] write(3, "1000", 4 [pid 4998] getdents64(3, [pid 6109] <... write resumed>) = 4 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] getdents64(3, [pid 4998] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] mkdir("./175", 0777 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6109] close(3) = 0 [pid 6109] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5001] umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] lstat("./185/binderfs", [pid 4996] <... mkdir resumed>) = 0 [pid 6109] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5000] <... openat resumed>) = 3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6109] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] lstat("./185/binderfs", [pid 5000] fstat(3, [pid 4998] unlink("./185/binderfs" [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6110 [pid 6109] <... mmap resumed>) = 0x20fff000 [pid 6109] exit_group(0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6109] <... exit_group resumed>) = ? [pid 5001] unlink("./185/binderfs" [pid 4998] <... unlink resumed>) = 0 [pid 5000] getdents64(3, ./strace-static-x86_64: Process 6111 attached [pid 6109] +++ exited with 0 +++ [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6111 [pid 5001] <... unlink resumed>) = 0 [pid 4998] getdents64(3, ./strace-static-x86_64: Process 6110 attached [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] getdents64(3, [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] close(3 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] lstat("./187/binderfs", [pid 5001] close(3 [pid 4998] <... close resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] rmdir("./185" [pid 5001] <... close resumed>) = 0 [pid 5000] unlink("./187/binderfs" [pid 6110] chdir("./180") = 0 [pid 6110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6110] setpgid(0, 0 [pid 4998] <... rmdir resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 6110] <... setpgid resumed>) = 0 [pid 6110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] rmdir("./185" [pid 5000] <... unlink resumed>) = 0 [pid 4998] mkdir("./186", 0777 [pid 6110] <... openat resumed>) = 3 [pid 6110] write(3, "1000", 4) = 4 [pid 5001] <... rmdir resumed>) = 0 [pid 5002] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] getdents64(3, [pid 6110] close(3) = 0 [pid 6110] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... mkdir resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] mkdir("./186", 0777 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6110] <... symlink resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5000] close(3 [pid 6110] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 6111] chdir("./175" [pid 6110] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0./strace-static-x86_64: Process 6112 attached ) = 0x20fff000 [pid 5002] fstat(3, [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... close resumed>) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6111] <... chdir resumed>) = 0 [pid 6110] exit_group(0 [pid 6111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6110] <... exit_group resumed>) = ? [pid 6111] <... prctl resumed>) = 0 [pid 5002] getdents64(3, [pid 5000] rmdir("./187" [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6112 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6111] setpgid(0, 0 [pid 6110] +++ exited with 0 +++ [pid 6111] <... setpgid resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 6111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6113 [pid 5000] mkdir("./188", 0777 [pid 6111] <... openat resumed>) = 3 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] lstat("./192/binderfs", [pid 6111] write(3, "1000", 4) = 4 [pid 6111] close(3) = 0 [pid 5000] <... mkdir resumed>) = 0 [pid 4997] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] unlink("./192/binderfs" [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6113 attached [pid 6111] symlink("/dev/binderfs", "./binderfs" [pid 6113] chdir("./186" [pid 6111] <... symlink resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6113] <... chdir resumed>) = 0 [pid 6111] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... unlink resumed>) = 0 [pid 5002] getdents64(3, [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6114 [pid 4997] <... openat resumed>) = 3 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] close(3 [pid 4997] fstat(3, [pid 5002] <... close resumed>) = 0 [pid 6113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6111] <... openat resumed>) = 3 [pid 5002] rmdir("./192" [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6113] <... prctl resumed>) = 0 [pid 6112] chdir("./186" [pid 6111] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6113] setpgid(0, 0 [pid 6112] <... chdir resumed>) = 0 [pid 6111] <... mmap resumed>) = 0x20fff000 [pid 5002] <... rmdir resumed>) = 0 [pid 4997] getdents64(3, [pid 5002] mkdir("./193", 0777 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 6114 attached [pid 6113] <... setpgid resumed>) = 0 [pid 6111] exit_group(0 [pid 6114] chdir("./188" [pid 6113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6111] <... exit_group resumed>) = ? [pid 5002] <... mkdir resumed>) = 0 [pid 4997] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6114] <... chdir resumed>) = 0 [pid 6113] <... openat resumed>) = 3 [pid 6112] <... prctl resumed>) = 0 [pid 6111] +++ exited with 0 +++ [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6113] write(3, "1000", 4 [pid 6114] <... prctl resumed>) = 0 [pid 6113] <... write resumed>) = 4 [pid 6114] setpgid(0, 0 [pid 6113] close(3 [pid 6114] <... setpgid resumed>) = 0 [pid 6113] <... close resumed>) = 0 [pid 6114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6113] symlink("/dev/binderfs", "./binderfs" [pid 6114] <... openat resumed>) = 3 [pid 6113] <... symlink resumed>) = 0 [pid 4997] lstat("./180/binderfs", [pid 6114] write(3, "1000", 4 [pid 6113] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6112] setpgid(0, 0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6115 [pid 6114] <... write resumed>) = 4 [pid 6113] <... openat resumed>) = 3 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6114] close(3 [pid 6113] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4997] unlink("./180/binderfs" [pid 6114] <... close resumed>) = 0 [pid 6113] <... mmap resumed>) = 0x20fff000 [pid 6112] <... setpgid resumed>) = 0 [pid 6114] symlink("/dev/binderfs", "./binderfs" [pid 6113] exit_group(0 [pid 4997] <... unlink resumed>) = 0 [pid 6114] <... symlink resumed>) = 0 [pid 6113] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6115 attached [pid 6114] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6113] +++ exited with 0 +++ [pid 6112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] getdents64(3, [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6115] chdir("./193" [pid 6114] <... openat resumed>) = 3 [pid 6112] <... openat resumed>) = 3 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] close(3 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... close resumed>) = 0 [pid 4996] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] rmdir("./180" [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... openat resumed>) = 3 [pid 6115] <... chdir resumed>) = 0 [pid 6114] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6114] <... mmap resumed>) = 0x20fff000 [pid 6112] write(3, "1000", 4 [pid 5001] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... rmdir resumed>) = 0 [pid 4996] fstat(3, [pid 6115] <... prctl resumed>) = 0 [pid 6114] exit_group(0 [pid 6112] <... write resumed>) = 4 [pid 5001] <... openat resumed>) = 3 [pid 6115] setpgid(0, 0 [pid 6114] <... exit_group resumed>) = ? [pid 5001] fstat(3, [pid 4997] mkdir("./181", 0777 [pid 6112] close(3 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6115] <... setpgid resumed>) = 0 [pid 6114] +++ exited with 0 +++ [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... mkdir resumed>) = 0 [pid 5001] getdents64(3, [pid 4996] getdents64(3, [pid 6112] <... close resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6115] <... openat resumed>) = 3 [pid 6115] write(3, "1000", 4) = 4 [pid 6115] close(3) = 0 [pid 6115] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6115] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6112] symlink("/dev/binderfs", "./binderfs" [pid 5001] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6116 [pid 4996] umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6115] <... openat resumed>) = 3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6115] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] lstat("./186/binderfs", [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6115] <... mmap resumed>) = 0x20fff000 [pid 6112] <... symlink resumed>) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6115] exit_group(0 [pid 5000] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] unlink("./186/binderfs" [pid 4996] lstat("./175/binderfs", ./strace-static-x86_64: Process 6116 attached [pid 6115] <... exit_group resumed>) = ? [pid 6112] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] <... openat resumed>) = 3 [pid 6115] +++ exited with 0 +++ [pid 5001] <... unlink resumed>) = 0 [pid 5000] fstat(3, [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] getdents64(3, [pid 4996] unlink("./175/binderfs" [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6116] chdir("./181" [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] close(3 [pid 5000] getdents64(3, [pid 4996] <... unlink resumed>) = 0 [pid 5002] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... close resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] rmdir("./186" [pid 5002] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] getdents64(3, [pid 6116] <... chdir resumed>) = 0 [pid 6116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6116] setpgid(0, 0 [pid 5002] <... openat resumed>) = 3 [pid 4996] close(3 [pid 5000] lstat("./188/binderfs", [pid 6112] <... openat resumed>) = 3 [pid 5002] fstat(3, [pid 5001] mkdir("./187", 0777 [pid 4996] <... close resumed>) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] rmdir("./175" [pid 6116] <... setpgid resumed>) = 0 [pid 6116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... mkdir resumed>) = 0 [pid 5000] unlink("./188/binderfs" [pid 6116] <... openat resumed>) = 3 [pid 4996] <... rmdir resumed>) = 0 [pid 6116] write(3, "1000", 4 [pid 5000] <... unlink resumed>) = 0 [pid 5002] getdents64(3, [pid 5000] getdents64(3, [pid 4996] mkdir("./176", 0777 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6116] <... write resumed>) = 4 [pid 5002] umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] close(3 [pid 4996] <... mkdir resumed>) = 0 [pid 6116] close(3) = 0 [pid 6116] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6116] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6112] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] lstat("./193/binderfs", [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6117 [pid 5000] <... close resumed>) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] rmdir("./188"./strace-static-x86_64: Process 6117 attached [pid 6117] chdir("./187") = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 5002] unlink("./193/binderfs" [pid 5000] mkdir("./189", 0777 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6118 [pid 6117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] <... unlink resumed>) = 0 [pid 6117] <... prctl resumed>) = 0 [pid 6117] setpgid(0, 0 [pid 5000] <... mkdir resumed>) = 0 [pid 5002] getdents64(3, [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6117] <... setpgid resumed>) = 0 [pid 6117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] close(3) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6119 [pid 5002] rmdir("./193" [pid 6117] <... openat resumed>) = 3 [pid 5002] <... rmdir resumed>) = 0 [pid 5002] mkdir("./194", 0777 [pid 6117] write(3, "1000", 4) = 4 [pid 6117] close(3 [pid 5002] <... mkdir resumed>) = 0 [pid 6117] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6117] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6117] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6116] <... openat resumed>) = 3 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6120 ./strace-static-x86_64: Process 6118 attached [pid 6117] <... openat resumed>) = 3 [pid 6118] chdir("./176" [pid 6117] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6116] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6112] <... mmap resumed>) = 0x20fff000 ./strace-static-x86_64: Process 6120 attached ./strace-static-x86_64: Process 6119 attached [pid 6118] <... chdir resumed>) = 0 [pid 6117] <... mmap resumed>) = 0x20fff000 [pid 6116] <... mmap resumed>) = 0x20fff000 [pid 6112] exit_group(0 [pid 6119] chdir("./189" [pid 6118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6117] exit_group(0 [pid 6116] exit_group(0 [pid 6112] <... exit_group resumed>) = ? [pid 6116] <... exit_group resumed>) = ? [pid 6119] <... chdir resumed>) = 0 [pid 6118] <... prctl resumed>) = 0 [pid 6117] <... exit_group resumed>) = ? [pid 6119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6118] setpgid(0, 0 [pid 6119] <... prctl resumed>) = 0 [pid 6118] <... setpgid resumed>) = 0 [pid 6117] +++ exited with 0 +++ [pid 6112] +++ exited with 0 +++ [pid 6119] setpgid(0, 0 [pid 6118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6117, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6119] <... setpgid resumed>) = 0 [pid 6118] <... openat resumed>) = 3 [pid 6116] +++ exited with 0 +++ [pid 6119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6118] write(3, "1000", 4 [pid 6119] <... openat resumed>) = 3 [pid 6118] <... write resumed>) = 4 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6119] write(3, "1000", 4 [pid 6118] close(3 [pid 5001] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6119] <... write resumed>) = 4 [pid 6118] <... close resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6119] close(3 [pid 6118] symlink("/dev/binderfs", "./binderfs" [pid 5001] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6120] chdir("./194" [pid 6119] <... close resumed>) = 0 [pid 6118] <... symlink resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6120] <... chdir resumed>) = 0 [pid 6119] symlink("/dev/binderfs", "./binderfs" [pid 6118] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... openat resumed>) = 3 [pid 6120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6119] <... symlink resumed>) = 0 [pid 6118] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 4998] <... openat resumed>) = 3 [pid 6119] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6118] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] fstat(3, [pid 6120] <... prctl resumed>) = 0 [pid 6119] <... openat resumed>) = 3 [pid 6118] <... mmap resumed>) = 0x20fff000 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6119] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6118] exit_group(0 [pid 6120] setpgid(0, 0 [pid 6119] <... mmap resumed>) = 0x20fff000 [pid 6118] <... exit_group resumed>) = ? [pid 5001] getdents64(3, [pid 4998] getdents64(3, [pid 6120] <... setpgid resumed>) = 0 [pid 6119] exit_group(0 [pid 6118] +++ exited with 0 +++ [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6119] <... exit_group resumed>) = ? [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6119] +++ exited with 0 +++ [pid 5001] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6118, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] lstat("./187/binderfs", [pid 4998] lstat("./186/binderfs", [pid 4997] <... openat resumed>) = 3 [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... restart_syscall resumed>) = 0 [pid 4997] fstat(3, [pid 5001] unlink("./187/binderfs" [pid 5000] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] unlink("./186/binderfs" [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 4996] umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] getdents64(3, [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] getdents64(3, [pid 4997] getdents64(3, [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6120] <... openat resumed>) = 3 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6120] write(3, "1000", 4 [pid 5001] close(3 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6120] <... write resumed>) = 4 [pid 5001] <... close resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 4998] close(3 [pid 4997] umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6120] close(3 [pid 5001] rmdir("./187" [pid 5000] fstat(3, [pid 4998] <... close resumed>) = 0 [pid 4996] <... openat resumed>) = 3 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6120] <... close resumed>) = 0 [pid 6120] symlink("/dev/binderfs", "./binderfs" [pid 5001] <... rmdir resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] rmdir("./186" [pid 4997] lstat("./181/binderfs", [pid 4996] fstat(3, [pid 6120] <... symlink resumed>) = 0 [pid 5000] getdents64(3, [pid 6120] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5001] mkdir("./188", 0777 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... rmdir resumed>) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6120] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] mkdir("./187", 0777 [pid 4997] unlink("./181/binderfs" [pid 6120] <... mmap resumed>) = 0x20fff000 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] getdents64(3, [pid 6120] exit_group(0) = ? [pid 6120] +++ exited with 0 +++ [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] lstat("./189/binderfs", [pid 4998] <... mkdir resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./189/binderfs") = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] getdents64(3, [pid 4996] umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6121 [pid 5000] getdents64(3, 0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./189" [pid 5002] umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... rmdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] mkdir("./190", 0777 [pid 4997] close(3 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6122 [pid 4996] lstat("./176/binderfs", [pid 5002] openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... mkdir resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... openat resumed>) = 3 [pid 4997] rmdir("./181" [pid 4996] unlink("./176/binderfs" [pid 5002] fstat(3, [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6123 ./strace-static-x86_64: Process 6121 attached [pid 4997] <... rmdir resumed>) = 0 [pid 6121] chdir("./188" [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] mkdir("./182", 0777 [pid 4996] <... unlink resumed>) = 0 [pid 5002] getdents64(3, [pid 6121] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 6122 attached [pid 6121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] <... mkdir resumed>) = 0 [pid 6121] <... prctl resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] getdents64(3, [pid 6122] chdir("./187" [pid 6121] setpgid(0, 0 [pid 5002] umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6122] <... chdir resumed>) = 0 [pid 6121] <... setpgid resumed>) = 0 [pid 6122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6124 [pid 4996] close(3 [pid 5002] lstat("./194/binderfs", [pid 4996] <... close resumed>) = 0 [pid 6122] <... prctl resumed>) = 0 [pid 6121] <... openat resumed>) = 3 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] rmdir("./176" [pid 6122] setpgid(0, 0 [pid 6121] write(3, "1000", 4 [pid 5002] unlink("./194/binderfs" [pid 6122] <... setpgid resumed>) = 0 [pid 6121] <... write resumed>) = 4 [pid 6122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6121] close(3 [pid 4996] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6123 attached [pid 6122] <... openat resumed>) = 3 [pid 6121] <... close resumed>) = 0 [pid 5002] <... unlink resumed>) = 0 [pid 5002] getdents64(3, [pid 4996] mkdir("./177", 0777 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6124 attached [pid 6122] write(3, "1000", 4 [pid 6121] symlink("/dev/binderfs", "./binderfs" [pid 6124] chdir("./182" [pid 6122] <... write resumed>) = 4 [pid 6121] <... symlink resumed>) = 0 [pid 5002] close(3 [pid 4996] <... mkdir resumed>) = 0 [pid 6124] <... chdir resumed>) = 0 [pid 6123] chdir("./190" [pid 6122] close(3 [pid 6121] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... close resumed>) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6123] <... chdir resumed>) = 0 [pid 6122] <... close resumed>) = 0 [pid 6121] <... openat resumed>) = 3 [pid 6124] <... prctl resumed>) = 0 [pid 6122] symlink("/dev/binderfs", "./binderfs" [pid 6121] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] rmdir("./194"./strace-static-x86_64: Process 6125 attached [pid 6124] setpgid(0, 0 [pid 6123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6122] <... symlink resumed>) = 0 [pid 6121] <... mmap resumed>) = 0x20fff000 [pid 6124] <... setpgid resumed>) = 0 [pid 6123] <... prctl resumed>) = 0 [pid 6122] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6121] exit_group(0 [pid 5002] <... rmdir resumed>) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6125 [pid 6125] chdir("./177" [pid 6124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6123] setpgid(0, 0 [pid 6122] <... openat resumed>) = 3 [pid 6121] <... exit_group resumed>) = ? [pid 5002] mkdir("./195", 0777 [pid 6125] <... chdir resumed>) = 0 [pid 6124] <... openat resumed>) = 3 [pid 6123] <... setpgid resumed>) = 0 [pid 6122] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6121] +++ exited with 0 +++ [pid 6124] write(3, "1000", 4 [pid 6123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6122] <... mmap resumed>) = 0x20fff000 [pid 5002] <... mkdir resumed>) = 0 [pid 6124] <... write resumed>) = 4 [pid 6122] exit_group(0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6124] close(3 [pid 6122] <... exit_group resumed>) = ? [pid 6124] <... close resumed>) = 0 [pid 6123] <... openat resumed>) = 3 [pid 6122] +++ exited with 0 +++ [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 6125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6124] symlink("/dev/binderfs", "./binderfs" [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6126 [pid 6125] <... prctl resumed>) = 0 [pid 6124] <... symlink resumed>) = 0 [pid 6123] write(3, "1000", 4 [pid 5001] <... restart_syscall resumed>) = 0 [pid 6125] setpgid(0, 0 [pid 6124] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6123] <... write resumed>) = 4 [pid 6125] <... setpgid resumed>) = 0 [pid 6124] <... openat resumed>) = 3 [pid 6123] close(3 [pid 6124] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6124] <... mmap resumed>) = 0x20fff000 [pid 6123] <... close resumed>) = 0 [pid 5001] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6126 attached [pid 6124] exit_group(0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6126] chdir("./195" [pid 6124] <... exit_group resumed>) = ? [pid 6123] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6126] <... chdir resumed>) = 0 [pid 6125] <... openat resumed>) = 3 [pid 6124] +++ exited with 0 +++ [pid 5001] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] <... openat resumed>) = 3 [pid 6126] <... prctl resumed>) = 0 [pid 4998] <... openat resumed>) = 3 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] fstat(3, [pid 4998] fstat(3, [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6123] <... symlink resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, [pid 6126] setpgid(0, 0 [pid 4998] getdents64(3, [pid 6126] <... setpgid resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] <... restart_syscall resumed>) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6123] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./188/binderfs", [pid 4998] lstat("./187/binderfs", [pid 6126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] unlink("./188/binderfs" [pid 4998] unlink("./187/binderfs" [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6126] <... openat resumed>) = 3 [pid 5001] <... unlink resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6126] write(3, "1000", 4) = 4 [pid 4998] <... unlink resumed>) = 0 [pid 6126] close(3 [pid 5001] getdents64(3, [pid 4998] getdents64(3, [pid 4997] <... openat resumed>) = 3 [pid 6126] <... close resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] fstat(3, [pid 6126] symlink("/dev/binderfs", "./binderfs" [pid 5001] close(3 [pid 4998] close(3 [pid 6126] <... symlink resumed>) = 0 [pid 6125] write(3, "1000", 4 [pid 6123] <... openat resumed>) = 3 [pid 5001] <... close resumed>) = 0 [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6126] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6125] <... write resumed>) = 4 [pid 5001] rmdir("./188" [pid 4998] <... close resumed>) = 0 [pid 4997] getdents64(3, [pid 6126] <... openat resumed>) = 3 [pid 6125] close(3 [pid 6123] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] rmdir("./187" [pid 6126] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6125] <... close resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 6126] <... mmap resumed>) = 0x20fff000 [pid 6125] symlink("/dev/binderfs", "./binderfs" [pid 5001] mkdir("./189", 0777 [pid 4998] <... rmdir resumed>) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6126] exit_group(0 [pid 6125] <... symlink resumed>) = 0 [pid 6123] <... mmap resumed>) = 0x20fff000 [pid 6126] <... exit_group resumed>) = ? [pid 5001] <... mkdir resumed>) = 0 [pid 4997] umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] mkdir("./188", 0777 [pid 6126] +++ exited with 0 +++ [pid 6125] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6123] exit_group(0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6125] <... openat resumed>) = 3 [pid 4998] <... mkdir resumed>) = 0 [pid 4997] lstat("./182/binderfs", [pid 6125] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6125] <... mmap resumed>) = 0x20fff000 [pid 6125] exit_group(0 [pid 6123] <... exit_group resumed>) = ? [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6125] <... exit_group resumed>) = ? [pid 4997] unlink("./182/binderfs" [pid 6125] +++ exited with 0 +++ [pid 5002] umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6127 [pid 4997] <... unlink resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6128 [pid 4997] getdents64(3, [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6127 attached [pid 5002] fstat(3, [pid 4997] close(3 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] getdents64(3, [pid 4997] <... close resumed>) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6127] chdir("./189" [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] rmdir("./182" [pid 4996] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6128 attached [pid 6127] <... chdir resumed>) = 0 [pid 6128] chdir("./188" [pid 6127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... rmdir resumed>) = 0 [pid 4996] <... openat resumed>) = 3 [pid 6128] <... chdir resumed>) = 0 [pid 6127] <... prctl resumed>) = 0 [pid 5002] lstat("./195/binderfs", [pid 4997] mkdir("./183", 0777 [pid 4996] fstat(3, [pid 6128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6127] setpgid(0, 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6128] <... prctl resumed>) = 0 [pid 6127] <... setpgid resumed>) = 0 [pid 6128] setpgid(0, 0 [pid 6127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] unlink("./195/binderfs" [pid 6123] +++ exited with 0 +++ [pid 4997] <... mkdir resumed>) = 0 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6128] <... setpgid resumed>) = 0 [pid 6127] <... openat resumed>) = 3 [pid 5002] <... unlink resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] getdents64(3, [pid 6128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6127] write(3, "1000", 4 [pid 5002] getdents64(3, [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 6128] <... openat resumed>) = 3 [pid 6127] <... write resumed>) = 4 [pid 5000] <... restart_syscall resumed>) = 0 [pid 6128] write(3, "1000", 4 [pid 6127] close(3 [pid 6128] <... write resumed>) = 4 [pid 6127] <... close resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6128] close(3 [pid 6127] symlink("/dev/binderfs", "./binderfs" [pid 5002] close(3 [pid 5000] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6129 [pid 4996] umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6129 attached [pid 6128] <... close resumed>) = 0 [pid 6127] <... symlink resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6128] symlink("/dev/binderfs", "./binderfs" [pid 6127] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] rmdir("./195" [pid 5000] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6129] chdir("./183" [pid 6128] <... symlink resumed>) = 0 [pid 6127] <... openat resumed>) = 3 [pid 5000] <... openat resumed>) = 3 [pid 6128] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6127] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5000] fstat(3, [pid 4996] lstat("./177/binderfs", [pid 6129] <... chdir resumed>) = 0 [pid 6128] <... openat resumed>) = 3 [pid 6127] <... mmap resumed>) = 0x20fff000 [pid 5002] mkdir("./196", 0777 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6128] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6127] exit_group(0 [pid 5000] getdents64(3, [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6128] <... mmap resumed>) = 0x20fff000 [pid 6127] <... exit_group resumed>) = ? [pid 5002] <... mkdir resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] unlink("./177/binderfs" [pid 6129] <... prctl resumed>) = 0 [pid 6128] exit_group(0 [pid 6127] +++ exited with 0 +++ [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6128] <... exit_group resumed>) = ? [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... unlink resumed>) = 0 [pid 6129] setpgid(0, 0 [pid 6128] +++ exited with 0 +++ [pid 5000] lstat("./190/binderfs", [pid 4996] getdents64(3, [pid 6129] <... setpgid resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6130 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] unlink("./190/binderfs" [pid 4996] close(3 [pid 6129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... unlink resumed>) = 0 [pid 5000] getdents64(3, 0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5000] close(3 [pid 4998] umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] rmdir("./177" [pid 5000] rmdir("./190" [pid 4998] openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... rmdir resumed>) = 0 [pid 4996] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6130 attached [pid 6129] <... openat resumed>) = 3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] mkdir("./191", 0777 [pid 4998] <... openat resumed>) = 3 [pid 4996] mkdir("./178", 0777 [pid 6130] chdir("./196" [pid 6129] write(3, "1000", 4 [pid 5001] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... mkdir resumed>) = 0 [pid 4998] fstat(3, [pid 6130] <... chdir resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6131 attached [pid 6130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6129] <... write resumed>) = 4 [pid 5001] <... openat resumed>) = 3 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6130] <... prctl resumed>) = 0 [pid 6129] close(3 [pid 5001] fstat(3, [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6131 [pid 4998] getdents64(3, [pid 6130] setpgid(0, 0) = 0 [pid 6130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5001] getdents64(3, [pid 4998] umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6132 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] lstat("./188/binderfs", [pid 6129] <... close resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6129] symlink("/dev/binderfs", "./binderfs" [pid 5001] lstat("./189/binderfs", [pid 4998] unlink("./188/binderfs" [pid 6130] write(3, "1000", 4 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6130] <... write resumed>) = 4 [pid 4998] <... unlink resumed>) = 0 [pid 5001] unlink("./189/binderfs" [pid 6130] close(3./strace-static-x86_64: Process 6132 attached ) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 4998] getdents64(3, [pid 6132] chdir("./178" [pid 6130] symlink("/dev/binderfs", "./binderfs" [pid 6129] <... symlink resumed>) = 0 [pid 6132] <... chdir resumed>) = 0 [pid 6130] <... symlink resumed>) = 0 [pid 5001] getdents64(3, [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6130] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6129] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6132] <... prctl resumed>) = 0 [pid 6131] chdir("./191" [pid 6130] <... openat resumed>) = 3 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] close(3 [pid 6132] setpgid(0, 0 [pid 6130] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6129] <... openat resumed>) = 3 [pid 5001] close(3 [pid 4998] <... close resumed>) = 0 [pid 6132] <... setpgid resumed>) = 0 [pid 6131] <... chdir resumed>) = 0 [pid 6130] <... mmap resumed>) = 0x20fff000 [pid 6129] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... close resumed>) = 0 [pid 4998] rmdir("./188" [pid 6132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6130] exit_group(0 [pid 6132] <... openat resumed>) = 3 [pid 6130] <... exit_group resumed>) = ? [pid 5001] rmdir("./189" [pid 4998] <... rmdir resumed>) = 0 [pid 6132] write(3, "1000", 4 [pid 6131] <... prctl resumed>) = 0 [pid 6130] +++ exited with 0 +++ [pid 6129] <... mmap resumed>) = 0x20fff000 [pid 6132] <... write resumed>) = 4 [pid 6132] close(3) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] <... rmdir resumed>) = 0 [pid 4998] mkdir("./189", 0777 [pid 6132] symlink("/dev/binderfs", "./binderfs" [pid 6129] exit_group(0 [pid 5001] mkdir("./190", 0777 [pid 6132] <... symlink resumed>) = 0 [pid 6132] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] <... mkdir resumed>) = 0 [pid 6132] <... openat resumed>) = 3 [pid 6132] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 6131] setpgid(0, 0 [pid 6129] <... exit_group resumed>) = ? [pid 5002] umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... mkdir resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6132] exit_group(0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6132] <... exit_group resumed>) = ? [pid 6132] +++ exited with 0 +++ [pid 5002] openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6133 attached [pid 6133] chdir("./189" [pid 5002] <... openat resumed>) = 3 [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6133 [pid 5002] fstat(3, [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6134 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] restart_syscall(<... resuming interrupted clone ...> [pid 5002] getdents64(3, [pid 4996] <... restart_syscall resumed>) = 0 [pid 6133] <... chdir resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 5002] umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./196/binderfs", [pid 4996] umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./196/binderfs" [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6133] setpgid(0, 0 [pid 5002] <... unlink resumed>) = 0 [pid 4996] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] getdents64(3, [pid 6133] <... setpgid resumed>) = 0 [pid 4996] <... openat resumed>) = 3 [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] fstat(3, [pid 6133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] close(3 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6133] <... openat resumed>) = 3 [pid 6129] +++ exited with 0 +++ [pid 5002] <... close resumed>) = 0 [pid 4996] getdents64(3, [pid 6133] write(3, "1000", 4 [pid 5002] rmdir("./196" [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6133] <... write resumed>) = 4 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6133] close(3) = 0 ./strace-static-x86_64: Process 6134 attached [pid 6133] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... rmdir resumed>) = 0 [pid 5002] mkdir("./197", 0777 [pid 4996] umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6134] chdir("./190" [pid 6133] <... symlink resumed>) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6134] <... chdir resumed>) = 0 [pid 6133] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6133] <... openat resumed>) = 3 [pid 4997] umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] lstat("./178/binderfs", [pid 6134] <... prctl resumed>) = 0 [pid 6133] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6134] setpgid(0, 0 [pid 6133] <... mmap resumed>) = 0x20fff000 [pid 6131] <... setpgid resumed>) = 0 [pid 4997] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6135 [pid 4997] <... openat resumed>) = 3 [pid 4996] unlink("./178/binderfs" [pid 6134] <... setpgid resumed>) = 0 [pid 6133] exit_group(0 [pid 4997] fstat(3, [pid 6134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6133] <... exit_group resumed>) = ? [pid 4996] <... unlink resumed>) = 0 [pid 6134] <... openat resumed>) = 3 [pid 6133] +++ exited with 0 +++ [pid 6131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] getdents64(3, [pid 6134] write(3, "1000", 4 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] getdents64(3, [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6134] <... write resumed>) = 4 [pid 6131] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6135 attached [pid 6134] close(3 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] close(3 [pid 6135] chdir("./197" [pid 6134] <... close resumed>) = 0 [pid 6131] write(3, "1000", 4 [pid 4997] umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6135] <... chdir resumed>) = 0 [pid 6134] symlink("/dev/binderfs", "./binderfs" [pid 6131] <... write resumed>) = 4 [pid 4998] umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... close resumed>) = 0 [pid 6135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6134] <... symlink resumed>) = 0 [pid 6131] close(3 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./183/binderfs", [pid 4996] rmdir("./178" [pid 6135] <... prctl resumed>) = 0 [pid 6134] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6131] <... close resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6135] setpgid(0, 0 [pid 6134] <... openat resumed>) = 3 [pid 6131] symlink("/dev/binderfs", "./binderfs" [pid 4998] <... openat resumed>) = 3 [pid 4996] <... rmdir resumed>) = 0 [pid 4997] unlink("./183/binderfs" [pid 6135] <... setpgid resumed>) = 0 [pid 6134] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6134] <... mmap resumed>) = 0x20fff000 [pid 6131] <... symlink resumed>) = 0 [pid 4998] fstat(3, [pid 4997] <... unlink resumed>) = 0 [pid 4996] mkdir("./179", 0777 [pid 6135] <... openat resumed>) = 3 [pid 6134] exit_group(0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, [pid 6135] write(3, "1000", 4 [pid 6134] <... exit_group resumed>) = ? [pid 6135] <... write resumed>) = 4 [pid 6134] +++ exited with 0 +++ [pid 6131] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4998] getdents64(3, [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... mkdir resumed>) = 0 [pid 6135] close(3 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] close(3 [pid 6135] <... close resumed>) = 0 [pid 4998] umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6135] symlink("/dev/binderfs", "./binderfs" [pid 4997] <... close resumed>) = 0 [pid 6135] <... symlink resumed>) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6135] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4997] rmdir("./183" [pid 4998] lstat("./189/binderfs", [pid 5001] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6136 attached [pid 6136] chdir("./179" [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... rmdir resumed>) = 0 [pid 6135] <... openat resumed>) = 3 [pid 6131] <... openat resumed>) = 3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] unlink("./189/binderfs" [pid 4997] mkdir("./184", 0777 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6136 [pid 6135] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6135] <... mmap resumed>) = 0x20fff000 [pid 6131] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] <... unlink resumed>) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 6135] exit_group(0 [pid 5001] <... openat resumed>) = 3 [pid 4998] getdents64(3, [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6135] <... exit_group resumed>) = ? [pid 5001] fstat(3, [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6135] +++ exited with 0 +++ [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] close(3 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5001] getdents64(3, [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6137 [pid 6136] <... chdir resumed>) = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 4998] <... close resumed>) = 0 [pid 6136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] rmdir("./189" [pid 6131] <... mmap resumed>) = 0x20fff000 [pid 5001] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6136] <... prctl resumed>) = 0 [pid 6136] setpgid(0, 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 6136] <... setpgid resumed>) = 0 [pid 6136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6131] exit_group(0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... rmdir resumed>) = 0 [pid 6136] <... openat resumed>) = 3 [pid 6131] <... exit_group resumed>) = ? [pid 5002] umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] lstat("./190/binderfs", [pid 4998] mkdir("./190", 0777 [pid 6136] write(3, "1000", 4 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6136] <... write resumed>) = 4 [pid 5002] openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6136] close(3 [pid 5002] <... openat resumed>) = 3 [pid 5001] unlink("./190/binderfs" [pid 4998] <... mkdir resumed>) = 0 [pid 6136] <... close resumed>) = 0 [pid 5002] fstat(3, [pid 6136] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] <... unlink resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6136] <... symlink resumed>) = 0 [pid 5002] getdents64(3, [pid 5001] getdents64(3, [pid 6136] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5002] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6136] <... openat resumed>) = 3 [pid 5002] umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6136] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6136] <... mmap resumed>) = 0x20fff000 [pid 6131] +++ exited with 0 +++ [pid 5002] lstat("./197/binderfs", [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6137 attached [pid 6136] exit_group(0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] close(3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6138 [pid 6136] <... exit_group resumed>) = ? [pid 5002] unlink("./197/binderfs" [pid 5001] <... close resumed>) = 0 [pid 6137] chdir("./184" [pid 6136] +++ exited with 0 +++ [pid 5002] <... unlink resumed>) = 0 [pid 5001] rmdir("./190" [pid 5002] getdents64(3, 0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5002] close(3) = 0 [pid 5002] rmdir("./197" [pid 6137] <... chdir resumed>) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] mkdir("./198", 0777 [pid 5001] mkdir("./191", 0777./strace-static-x86_64: Process 6138 attached [pid 6137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] <... mkdir resumed>) = 0 [pid 5000] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6138] chdir("./190" [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6139 attached [pid 6138] <... chdir resumed>) = 0 [pid 6137] <... prctl resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] <... clone resumed>, child_tidptr=0x555555cb3690) = 6139 [pid 6138] <... prctl resumed>) = 0 [pid 6138] setpgid(0, 0) = 0 [pid 6138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6137] setpgid(0, 0 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6140 [pid 6138] <... openat resumed>) = 3 [pid 6137] <... setpgid resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5000] fstat(3, [pid 6138] write(3, "1000", 4) = 4 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6138] close(3 [pid 5000] getdents64(3, [pid 6138] <... close resumed>) = 0 [pid 6137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6138] symlink("/dev/binderfs", "./binderfs" [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6140 attached [pid 6138] <... symlink resumed>) = 0 [pid 6137] <... openat resumed>) = 3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... openat resumed>) = 3 [pid 6137] write(3, "1000", 4 [pid 5000] lstat("./191/binderfs", [pid 4996] fstat(3, [pid 6140] chdir("./191" [pid 6138] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6137] <... write resumed>) = 4 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6140] <... chdir resumed>) = 0 [pid 6139] chdir("./198" [pid 6138] <... openat resumed>) = 3 [pid 6137] close(3 [pid 5000] unlink("./191/binderfs" [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6138] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6140] <... prctl resumed>) = 0 [pid 6138] <... mmap resumed>) = 0x20fff000 [pid 6137] <... close resumed>) = 0 [pid 5000] <... unlink resumed>) = 0 [pid 6139] <... chdir resumed>) = 0 [pid 4996] getdents64(3, [pid 6140] setpgid(0, 0 [pid 6138] exit_group(0 [pid 6137] symlink("/dev/binderfs", "./binderfs" [pid 5000] getdents64(3, [pid 6140] <... setpgid resumed>) = 0 [pid 6138] <... exit_group resumed>) = ? [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6138] +++ exited with 0 +++ [pid 6137] <... symlink resumed>) = 0 [pid 5000] close(3 [pid 4996] umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6140] <... openat resumed>) = 3 [pid 5000] <... close resumed>) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6137] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] rmdir("./191" [pid 4996] lstat("./179/binderfs", [pid 6140] write(3, "1000", 4) = 4 [pid 6140] close(3) = 0 [pid 6140] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6140] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6137] <... openat resumed>) = 3 [pid 5000] mkdir("./192", 0777 [pid 4996] unlink("./179/binderfs" [pid 6140] <... openat resumed>) = 3 [pid 6140] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5000] <... mkdir resumed>) = 0 [pid 6137] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4996] <... unlink resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] getdents64(3, [pid 6140] exit_group(0) = ? [pid 6140] +++ exited with 0 +++ [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] close(3 [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6141 [pid 5001] restart_syscall(<... resuming interrupted clone ...> [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] <... close resumed>) = 0 [pid 4998] openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] rmdir("./179"./strace-static-x86_64: Process 6141 attached [pid 4998] <... openat resumed>) = 3 [pid 6141] chdir("./192" [pid 4998] fstat(3, [pid 4996] <... rmdir resumed>) = 0 [pid 5001] <... restart_syscall resumed>) = 0 [pid 6141] <... chdir resumed>) = 0 [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] mkdir("./180", 0777 [pid 6137] <... mmap resumed>) = 0x20fff000 [pid 4998] getdents64(3, [pid 6141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6141] setpgid(0, 0) = 0 [pid 6141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] <... mkdir resumed>) = 0 [pid 6137] exit_group(0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6137] <... exit_group resumed>) = ? [pid 5001] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6141] <... openat resumed>) = 3 [pid 6141] write(3, "1000", 4) = 4 [pid 6141] close(3) = 0 [pid 6141] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4998] lstat("./190/binderfs", [pid 5001] <... openat resumed>) = 3 [pid 6141] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] fstat(3, [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6142 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] unlink("./190/binderfs" [pid 5001] getdents64(3, [pid 6141] <... openat resumed>) = 3 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4998] <... unlink resumed>) = 0 [pid 5001] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] getdents64(3, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] lstat("./191/binderfs", [pid 4998] close(3 [pid 6141] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... close resumed>) = 0 [pid 5001] unlink("./191/binderfs" [pid 4998] rmdir("./190"./strace-static-x86_64: Process 6142 attached [pid 6141] <... mmap resumed>) = 0x20fff000 [pid 5001] <... unlink resumed>) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 5001] getdents64(3, [pid 4998] mkdir("./191", 0777 [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6142] chdir("./180" [pid 6141] exit_group(0 [pid 5001] close(3 [pid 4998] <... mkdir resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] rmdir("./191" [pid 6142] <... chdir resumed>) = 0 [pid 6141] <... exit_group resumed>) = ? [pid 6142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6141] +++ exited with 0 +++ [pid 5001] <... rmdir resumed>) = 0 [pid 5001] mkdir("./192", 0777 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6143 [pid 6137] +++ exited with 0 +++ [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6142] <... prctl resumed>) = 0 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 6142] setpgid(0, 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 6142] <... setpgid resumed>) = 0 [pid 6142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6139] <... prctl resumed>) = 0 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... restart_syscall resumed>) = 0 [pid 6142] <... openat resumed>) = 3 [pid 5000] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4997] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6143 attached [pid 6142] write(3, "1000", 4 [pid 5000] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4997] <... openat resumed>) = 3 [pid 6143] chdir("./191" [pid 6142] <... write resumed>) = 4 [pid 4997] fstat(3, [pid 6143] <... chdir resumed>) = 0 [pid 6142] close(3 [pid 6139] setpgid(0, 0 [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6144 [pid 5000] <... openat resumed>) = 3 [pid 6143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6142] <... close resumed>) = 0 [pid 5000] fstat(3, [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6143] <... prctl resumed>) = 0 [pid 6142] symlink("/dev/binderfs", "./binderfs" [pid 6139] <... setpgid resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] getdents64(3, [pid 6143] setpgid(0, 0 [pid 6142] <... symlink resumed>) = 0 [pid 6143] <... setpgid resumed>) = 0 [pid 6142] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] getdents64(3, [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6142] <... openat resumed>) = 3 [pid 6139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6143] <... openat resumed>) = 3 [pid 6142] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4997] umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6143] write(3, "1000", 4 [pid 6142] <... mmap resumed>) = 0x20fff000 [pid 5000] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6143] <... write resumed>) = 4 [pid 6142] exit_group(0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] lstat("./184/binderfs", [pid 6143] close(3 [pid 6142] <... exit_group resumed>) = ? [pid 5000] lstat("./192/binderfs", ./strace-static-x86_64: Process 6144 attached [pid 6143] <... close resumed>) = 0 [pid 6142] +++ exited with 0 +++ [pid 6139] <... openat resumed>) = 3 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6144] chdir("./192" [pid 6143] symlink("/dev/binderfs", "./binderfs" [pid 6139] write(3, "1000", 4 [pid 5000] unlink("./192/binderfs" [pid 4997] unlink("./184/binderfs" [pid 4996] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6144] <... chdir resumed>) = 0 [pid 6143] <... symlink resumed>) = 0 [pid 6144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6143] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 6144] <... prctl resumed>) = 0 [pid 6143] <... openat resumed>) = 3 [pid 6139] <... write resumed>) = 4 [pid 5000] <... unlink resumed>) = 0 [pid 4997] <... unlink resumed>) = 0 [pid 6144] setpgid(0, 0 [pid 6143] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 6139] close(3 [pid 5000] getdents64(3, [pid 4997] getdents64(3, [pid 6144] <... setpgid resumed>) = 0 [pid 6143] <... mmap resumed>) = 0x20fff000 [pid 6144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6143] exit_group(0 [pid 6139] <... close resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4997] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4996] umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6144] <... openat resumed>) = 3 [pid 6143] <... exit_group resumed>) = ? [pid 6139] symlink("/dev/binderfs", "./binderfs" [pid 5000] close(3 [pid 4997] close(3 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6144] write(3, "1000", 4 [pid 6143] +++ exited with 0 +++ [pid 5000] <... close resumed>) = 0 [pid 4997] <... close resumed>) = 0 [pid 6144] <... write resumed>) = 4 [pid 5000] rmdir("./192" [pid 4997] rmdir("./184" [pid 4996] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6144] close(3 [pid 6139] <... symlink resumed>) = 0 [pid 6144] <... close resumed>) = 0 [pid 6144] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 4996] <... openat resumed>) = 3 [pid 6144] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 6139] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5000] mkdir("./193", 0777 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] <... rmdir resumed>) = 0 [pid 4996] fstat(3, [pid 6144] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 6139] <... openat resumed>) = 3 [pid 5000] <... mkdir resumed>) = 0 [pid 4998] restart_syscall(<... resuming interrupted clone ...> [pid 4997] mkdir("./185", 0777 [pid 4996] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6144] exit_group(0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6144] <... exit_group resumed>) = ? [pid 6144] +++ exited with 0 +++ [pid 4998] <... restart_syscall resumed>) = 0 [pid 4997] <... mkdir resumed>) = 0 [pid 4996] getdents64(3, 0x555555cb46e0 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 6145 attached [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4996] umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6145] chdir("./193") = 0 [pid 6145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6145] setpgid(0, 0) = 0 [pid 4996] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] <... clone resumed>, child_tidptr=0x555555cb3690) = 6146 [pid 4996] lstat("./180/binderfs", [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5000] <... clone resumed>, child_tidptr=0x555555cb3690) = 6145 [pid 4998] openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] <... openat resumed>) = 3 [pid 6145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6139] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 4998] fstat(3, [pid 4996] unlink("./180/binderfs" [pid 5001] umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6145] <... openat resumed>) = 3 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] getdents64(3, [pid 4996] <... unlink resumed>) = 0 [pid 5001] openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 4996] getdents64(3, [pid 5001] <... openat resumed>) = 3 [pid 4998] umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 5001] fstat(3, [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] close(3 [pid 6145] write(3, "1000", 4 [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] lstat("./191/binderfs", [pid 4996] <... close resumed>) = 0 [pid 5001] getdents64(3, [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4996] rmdir("./180" [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 3 entries */, 32768) = 80 [pid 6145] <... write resumed>) = 4 [pid 6145] close(3) = 0 [pid 6145] symlink("/dev/binderfs", "./binderfs" [pid 4996] <... rmdir resumed>) = 0 [pid 4998] unlink("./191/binderfs" [pid 5001] umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4996] mkdir("./181", 0777 [pid 6145] <... symlink resumed>) = 0 [pid 4998] <... unlink resumed>) = 0 [pid 6145] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 4996] <... mkdir resumed>) = 0 [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] getdents64(3, [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] lstat("./192/binderfs", [pid 4998] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 6145] <... openat resumed>) = 3 [pid 6145] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4998] close(3 [pid 5001] unlink("./192/binderfs" [pid 4998] <... close resumed>) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555cb3690) = 6147 ./strace-static-x86_64: Process 6146 attached [pid 6145] exit_group(0 [pid 5001] <... unlink resumed>) = 0 [pid 4998] rmdir("./191" [pid 6139] <... mmap resumed>) = 0x20fff000 [pid 5001] getdents64(3, [pid 6146] chdir("./185" [pid 6145] <... exit_group resumed>) = ? [pid 5001] <... getdents64 resumed>0x555555cb46e0 /* 0 entries */, 32768) = 0 [pid 4998] <... rmdir resumed>) = 0 [pid 6146] <... chdir resumed>) = 0 [pid 6145] +++ exited with 0 +++ [pid 6139] exit_group(0 [pid 5001] close(3 [pid 4998] mkdir("./192", 0777 [pid 6139] <... exit_group resumed>) = ? [pid 5001] <... close resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6146] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6147 attached ) = 0 [pid 6147] chdir("./181" [pid 6146] setpgid(0, 0 [pid 4998] <... mkdir resumed>) = 0 [pid 5001] rmdir("./192" [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6147] <... chdir resumed>) = 0 [pid 6146] <... setpgid resumed>) = 0 [pid 6147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... rmdir resumed>) = 0 [pid 6147] <... prctl resumed>) = 0 [pid 6146] <... openat resumed>) = 3 [pid 6147] setpgid(0, 0 [pid 6146] write(3, "1000", 4 [pid 6147] <... setpgid resumed>) = 0 [pid 6146] <... write resumed>) = 4 [pid 5001] mkdir("./193", 0777 [pid 6147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6146] close(3 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] <... clone resumed>, child_tidptr=0x555555cb3690) = 6148 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6147] <... openat resumed>) = 3 [pid 6146] <... close resumed>) = 0 [pid 6147] write(3, "1000", 4 [pid 6146] symlink("/dev/binderfs", "./binderfs" [pid 6147] <... write resumed>) = 4 [pid 6146] <... symlink resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6147] close(3 [pid 6146] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5001] <... clone resumed>, child_tidptr=0x555555cb3690) = 6149 [pid 5000] <... openat resumed>) = 3 [pid 6147] <... close resumed>) = 0