./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor989888314 <...> Warning: Permanently added '10.128.10.16' (ECDSA) to the list of known hosts. execve("./syz-executor989888314", ["./syz-executor989888314"], 0x7ffc86578a40 /* 10 vars */) = 0 brk(NULL) = 0x555556466000 brk(0x555556466c40) = 0x555556466c40 arch_prctl(ARCH_SET_FS, 0x555556466300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor989888314", 4096) = 27 brk(0x555556487c40) = 0x555556487c40 brk(0x555556488000) = 0x555556488000 mprotect(0x7f0c2f2a2000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564665d0) = 5005 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5005 attached ./strace-static-x86_64: Process 5006 attached [pid 5005] getpid() = 5005 [pid 5005] mkdir("./syzkaller.BjLsxD", 0700 [pid 5004] <... clone resumed>, child_tidptr=0x5555564665d0) = 5006 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564665d0) = 5007 [pid 5006] getpid( [pid 5005] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5007 attached [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... getpid resumed>) = 5006 [pid 5005] chmod("./syzkaller.BjLsxD", 0777 [pid 5007] getpid( [pid 5006] mkdir("./syzkaller.QXvTwH", 0700 [pid 5004] <... clone resumed>, child_tidptr=0x5555564665d0) = 5008 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5009 attached ./strace-static-x86_64: Process 5008 attached [pid 5007] <... getpid resumed>) = 5007 [pid 5006] <... mkdir resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x5555564665d0) = 5009 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] getpid( [pid 5007] mkdir("./syzkaller.NYAOVM", 0700 [pid 5006] chmod("./syzkaller.QXvTwH", 0777 [pid 5004] <... clone resumed>, child_tidptr=0x5555564665d0) = 5010 [pid 5006] <... chmod resumed>) = 0 ./strace-static-x86_64: Process 5010 attached [pid 5010] getpid( [pid 5007] <... mkdir resumed>) = 0 [pid 5006] chdir("./syzkaller.QXvTwH" [pid 5010] <... getpid resumed>) = 5010 [pid 5010] mkdir("./syzkaller.E58wp2", 0700 [pid 5008] <... getpid resumed>) = 5008 [pid 5007] chmod("./syzkaller.NYAOVM", 0777 [pid 5006] <... chdir resumed>) = 0 [pid 5007] <... chmod resumed>) = 0 [pid 5007] chdir("./syzkaller.NYAOVM" [pid 5006] mkdir("./0", 0777 [pid 5007] <... chdir resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5010] chmod("./syzkaller.E58wp2", 0777 [pid 5006] <... mkdir resumed>) = 0 [pid 5007] mkdir("./0", 0777 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] mkdir("./syzkaller.xTH7WT", 0700 [pid 5010] <... chmod resumed>) = 0 [pid 5010] chdir("./syzkaller.E58wp2") = 0 [pid 5010] mkdir("./0", 0777) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5011 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... mkdir resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5011 attached [pid 5011] chdir("./0") = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5012 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5013 [pid 5008] chmod("./syzkaller.xTH7WT", 0777 [pid 5011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... chmod resumed>) = 0 [pid 5011] <... prctl resumed>) = 0 [pid 5011] setpgid(0, 0) = 0 [pid 5008] <... chmod resumed>) = 0 [pid 5008] chdir("./syzkaller.xTH7WT" [pid 5005] chdir("./syzkaller.BjLsxD" [pid 5009] getpid(./strace-static-x86_64: Process 5012 attached ) = 5009 [pid 5008] <... chdir resumed>) = 0 [pid 5005] <... chdir resumed>) = 0 [pid 5008] mkdir("./0", 0777 [pid 5005] mkdir("./0", 0777 [pid 5011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... mkdir resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] mkdir("./syzkaller.YazE6X", 0700 [pid 5011] <... openat resumed>) = 3 [pid 5011] write(3, "1000", 4 [pid 5005] <... mkdir resumed>) = 0 [pid 5011] <... write resumed>) = 4 [pid 5011] close(3) = 0 [pid 5011] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5011] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... mkdir resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5014 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] chmod("./syzkaller.YazE6X", 0777) = 0 [pid 5009] chdir("./syzkaller.YazE6X"./strace-static-x86_64: Process 5015 attached ./strace-static-x86_64: Process 5014 attached ./strace-static-x86_64: Process 5013 attached [pid 5012] chdir("./0" [pid 5011] <... openat resumed>) = 3 [pid 5009] <... chdir resumed>) = 0 [pid 5012] <... chdir resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5015 [pid 5014] chdir("./0" [pid 5009] mkdir("./0", 0777 [pid 5012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5014] <... chdir resumed>) = 0 [pid 5014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5014] setpgid(0, 0) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5012] <... prctl resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5013] chdir("./0" [pid 5014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] setpgid(0, 0 [pid 5014] <... openat resumed>) = 3 [pid 5012] <... setpgid resumed>) = 0 [pid 5011] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0./strace-static-x86_64: Process 5016 attached [pid 5015] chdir("./0" [pid 5014] write(3, "1000", 4 [pid 5013] <... chdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] <... mmap resumed>) = 0x20fff000 [pid 5016] chdir("./0" [pid 5015] <... chdir resumed>) = 0 [pid 5014] <... write resumed>) = 4 [pid 5013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5016 [pid 5016] <... chdir resumed>) = 0 [pid 5014] close(3 [pid 5012] <... openat resumed>) = 3 [pid 5011] exit_group(0 [pid 5013] <... prctl resumed>) = 0 [pid 5016] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5014] <... close resumed>) = 0 [pid 5013] setpgid(0, 0 [pid 5012] write(3, "1000", 4 [pid 5011] <... exit_group resumed>) = ? [pid 5016] <... prctl resumed>) = 0 [pid 5015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5014] symlink("/dev/binderfs", "./binderfs" [pid 5013] <... setpgid resumed>) = 0 [pid 5012] <... write resumed>) = 4 [pid 5015] <... prctl resumed>) = 0 [pid 5013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] close(3 [pid 5016] setpgid(0, 0 [pid 5015] setpgid(0, 0 [pid 5014] <... symlink resumed>) = 0 [pid 5013] <... openat resumed>) = 3 [pid 5012] <... close resumed>) = 0 [pid 5011] +++ exited with 0 +++ [pid 5016] <... setpgid resumed>) = 0 [pid 5015] <... setpgid resumed>) = 0 [pid 5014] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5013] write(3, "1000", 4 [pid 5012] symlink("/dev/binderfs", "./binderfs" [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5011, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5013] <... write resumed>) = 4 [pid 5016] <... openat resumed>) = 3 [pid 5015] <... openat resumed>) = 3 [pid 5014] <... openat resumed>) = 3 [pid 5013] close(3 [pid 5012] <... symlink resumed>) = 0 [pid 5016] write(3, "1000", 4 [pid 5015] write(3, "1000", 4 [pid 5014] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5013] <... close resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5016] <... write resumed>) = 4 [pid 5015] <... write resumed>) = 4 [pid 5013] symlink("/dev/binderfs", "./binderfs" [pid 5016] close(3 [pid 5015] close(3 [pid 5014] <... mmap resumed>) = 0x20fff000 [pid 5013] <... symlink resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 5016] <... close resumed>) = 0 [pid 5015] <... close resumed>) = 0 [pid 5014] exit_group(0 [pid 5013] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5012] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5006] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5016] symlink("/dev/binderfs", "./binderfs" [pid 5015] symlink("/dev/binderfs", "./binderfs" [pid 5014] <... exit_group resumed>) = ? [pid 5013] <... openat resumed>) = 3 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5016] <... symlink resumed>) = 0 [pid 5015] <... symlink resumed>) = 0 [pid 5013] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5012] <... mmap resumed>) = 0x20fff000 [pid 5006] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5016] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5015] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5014] +++ exited with 0 +++ [pid 5013] <... mmap resumed>) = 0x20fff000 [pid 5012] exit_group(0 [pid 5016] <... openat resumed>) = 3 [pid 5015] <... openat resumed>) = 3 [pid 5012] <... exit_group resumed>) = ? [pid 5006] <... openat resumed>) = 3 [pid 5013] exit_group(0 [pid 5016] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5015] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5013] <... exit_group resumed>) = ? [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5014, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] fstat(3, [pid 5016] <... mmap resumed>) = 0x20fff000 [pid 5015] <... mmap resumed>) = 0x20fff000 [pid 5012] +++ exited with 0 +++ [pid 5016] exit_group(0) = ? [pid 5013] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5012, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5015] exit_group(0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5016] +++ exited with 0 +++ [pid 5015] <... exit_group resumed>) = ? [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5013, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] getdents64(3, [pid 5010] <... restart_syscall resumed>) = 0 [pid 5007] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5015] +++ exited with 0 +++ [pid 5010] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5016, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5008] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5015, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... restart_syscall resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... openat resumed>) = 3 [pid 5006] lstat("./0/binderfs", [pid 5010] <... openat resumed>) = 3 [pid 5008] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] fstat(3, [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] fstat(3, [pid 5008] <... openat resumed>) = 3 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] unlink("./0/binderfs" [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] fstat(3, [pid 5007] getdents64(3, [pid 5010] getdents64(3, [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... unlink resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] getdents64(3, [pid 5010] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... openat resumed>) = 3 [pid 5008] getdents64(3, [pid 5007] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] fstat(3, [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] close(3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./0/binderfs", [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] lstat("./0/binderfs", [pid 5006] <... close resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] getdents64(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] rmdir("./0" [pid 5005] <... openat resumed>) = 3 [pid 5010] unlink("./0/binderfs" [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] lstat("./0/binderfs", [pid 5007] unlink("./0/binderfs" [pid 5010] <... unlink resumed>) = 0 [pid 5009] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... rmdir resumed>) = 0 [pid 5005] fstat(3, [pid 5010] getdents64(3, [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5010] rmdir("./0" [pid 5007] <... unlink resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... rmdir resumed>) = 0 [pid 5008] unlink("./0/binderfs" [pid 5007] getdents64(3, [pid 5006] mkdir("./1", 0777 [pid 5009] lstat("./0/binderfs", [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] mkdir("./1", 0777) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] getdents64(3, [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] unlink("./0/binderfs" [pid 5008] getdents64(3, [pid 5007] close(3 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5017 [pid 5009] <... unlink resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... close resumed>) = 0 [pid 5005] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] getdents64(3, [pid 5008] close(3 [pid 5007] rmdir("./0" [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] <... close resumed>) = 0 [pid 5009] close(3 [pid 5008] rmdir("./0" [pid 5007] <... rmdir resumed>) = 0 [pid 5005] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... close resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] mkdir("./1", 0777 [pid 5005] unlink("./0/binderfs" [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5018 ./strace-static-x86_64: Process 5018 attached ./strace-static-x86_64: Process 5017 attached [pid 5009] rmdir("./0" [pid 5008] mkdir("./1", 0777 [pid 5007] <... mkdir resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] getdents64(3, [pid 5017] chdir("./1" [pid 5009] mkdir("./1", 0777 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5019 attached ./strace-static-x86_64: Process 5020 attached [pid 5018] chdir("./1" [pid 5017] <... chdir resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5019 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5020 [pid 5005] close(3 [pid 5020] chdir("./1" [pid 5018] <... chdir resumed>) = 0 [pid 5017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... close resumed>) = 0 [pid 5017] <... prctl resumed>) = 0 [pid 5019] chdir("./1" [pid 5018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5017] setpgid(0, 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5021 [pid 5020] <... chdir resumed>) = 0 [pid 5005] rmdir("./0"./strace-static-x86_64: Process 5021 attached [pid 5018] <... prctl resumed>) = 0 [pid 5017] <... setpgid resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5019] <... chdir resumed>) = 0 [pid 5017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] mkdir("./1", 0777 [pid 5018] setpgid(0, 0 [pid 5019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5019] setpgid(0, 0) = 0 [pid 5019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5018] <... setpgid resumed>) = 0 [pid 5017] <... openat resumed>) = 3 [pid 5005] <... mkdir resumed>) = 0 [pid 5019] write(3, "1000", 4 [pid 5020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5019] <... write resumed>) = 4 [pid 5018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5017] write(3, "1000", 4 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5021] chdir("./1" [pid 5020] <... prctl resumed>) = 0 [pid 5019] close(3 [pid 5018] <... openat resumed>) = 3 [pid 5019] <... close resumed>) = 0 [pid 5019] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5020] setpgid(0, 0 [pid 5019] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5018] write(3, "1000", 4 [pid 5017] <... write resumed>) = 4 ./strace-static-x86_64: Process 5022 attached [pid 5021] <... chdir resumed>) = 0 [pid 5020] <... setpgid resumed>) = 0 [pid 5019] <... openat resumed>) = 3 [pid 5018] <... write resumed>) = 4 [pid 5017] close(3 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5022 [pid 5022] chdir("./1" [pid 5021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5019] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5018] close(3 [pid 5017] <... close resumed>) = 0 [pid 5022] <... chdir resumed>) = 0 [pid 5021] <... prctl resumed>) = 0 [pid 5020] <... openat resumed>) = 3 [pid 5019] <... mmap resumed>) = 0x20fff000 [pid 5018] <... close resumed>) = 0 [pid 5017] symlink("/dev/binderfs", "./binderfs" [pid 5022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5021] setpgid(0, 0 [pid 5020] write(3, "1000", 4 [pid 5019] exit_group(0 [pid 5018] symlink("/dev/binderfs", "./binderfs" [pid 5022] <... prctl resumed>) = 0 [pid 5021] <... setpgid resumed>) = 0 [pid 5020] <... write resumed>) = 4 [pid 5019] <... exit_group resumed>) = ? [pid 5017] <... symlink resumed>) = 0 [pid 5022] setpgid(0, 0 [pid 5021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5020] close(3 [pid 5018] <... symlink resumed>) = 0 [pid 5017] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5021] <... openat resumed>) = 3 [pid 5020] <... close resumed>) = 0 [pid 5019] +++ exited with 0 +++ [pid 5018] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5019, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5018] <... openat resumed>) = 3 [pid 5008] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5022] <... setpgid resumed>) = 0 [pid 5021] write(3, "1000", 4 [pid 5020] symlink("/dev/binderfs", "./binderfs" [pid 5018] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5017] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5021] <... write resumed>) = 4 [pid 5020] <... symlink resumed>) = 0 [pid 5017] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5022] <... openat resumed>) = 3 [pid 5018] <... mmap resumed>) = 0x20fff000 [pid 5008] <... openat resumed>) = 3 [pid 5022] write(3, "1000", 4) = 4 [pid 5018] exit_group(0 [pid 5021] close(3 [pid 5020] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5017] <... mmap resumed>) = 0x20fff000 [pid 5008] fstat(3, [pid 5022] close(3 [pid 5021] <... close resumed>) = 0 [pid 5020] <... openat resumed>) = 3 [pid 5018] <... exit_group resumed>) = ? [pid 5017] exit_group(0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5022] <... close resumed>) = 0 [pid 5021] symlink("/dev/binderfs", "./binderfs" [pid 5020] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] getdents64(3, [pid 5022] symlink("/dev/binderfs", "./binderfs" [pid 5021] <... symlink resumed>) = 0 [pid 5020] <... mmap resumed>) = 0x20fff000 [pid 5018] +++ exited with 0 +++ [pid 5017] <... exit_group resumed>) = ? [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5022] <... symlink resumed>) = 0 [pid 5021] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5020] exit_group(0 [pid 5022] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5021] <... openat resumed>) = 3 [pid 5020] <... exit_group resumed>) = ? [pid 5017] +++ exited with 0 +++ [pid 5008] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5018, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5022] <... openat resumed>) = 3 [pid 5021] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5020] +++ exited with 0 +++ [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5022] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5021] <... mmap resumed>) = 0x20fff000 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5017, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5008] lstat("./1/binderfs", [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5020, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] <... restart_syscall resumed>) = 0 [pid 5022] <... mmap resumed>) = 0x20fff000 [pid 5021] exit_group(0 [pid 5010] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5022] exit_group(0 [pid 5021] <... exit_group resumed>) = ? [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] unlink("./1/binderfs" [pid 5022] <... exit_group resumed>) = ? [pid 5010] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5022] +++ exited with 0 +++ [pid 5021] +++ exited with 0 +++ [pid 5010] <... openat resumed>) = 3 [pid 5008] <... unlink resumed>) = 0 [pid 5006] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] fstat(3, [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5021, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] getdents64(3, [pid 5010] getdents64(3, [pid 5009] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5022, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] close(3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... openat resumed>) = 3 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... openat resumed>) = 3 [pid 5008] <... close resumed>) = 0 [pid 5010] lstat("./1/binderfs", [pid 5009] fstat(3, [pid 5008] rmdir("./1" [pid 5007] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] fstat(3, [pid 5005] <... restart_syscall resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] unlink("./1/binderfs") = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5010] getdents64(3, [pid 5009] getdents64(3, [pid 5008] mkdir("./2", 0777 [pid 5007] fstat(3, [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] close(3) = 0 [pid 5010] rmdir("./1") = 0 [pid 5009] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... mkdir resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, [pid 5010] mkdir("./2", 0777 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] getdents64(3, [pid 5010] <... mkdir resumed>) = 0 [pid 5009] lstat("./1/binderfs", [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5024 attached ./strace-static-x86_64: Process 5023 attached [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5024 [pid 5005] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] unlink("./1/binderfs" [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5023 [pid 5007] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... openat resumed>) = 3 [pid 5024] chdir("./2" [pid 5009] <... unlink resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./1/binderfs", [pid 5005] fstat(3, [pid 5024] <... chdir resumed>) = 0 [pid 5023] chdir("./2" [pid 5009] getdents64(3, [pid 5007] lstat("./1/binderfs", [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5023] <... chdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./1/binderfs" [pid 5005] getdents64(3, [pid 5023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] close(3 [pid 5007] unlink("./1/binderfs" [pid 5006] <... unlink resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5023] <... prctl resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5006] getdents64(3, [pid 5005] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5023] setpgid(0, 0 [pid 5009] rmdir("./1" [pid 5007] getdents64(3, [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5024] <... prctl resumed>) = 0 [pid 5023] <... setpgid resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] close(3 [pid 5005] lstat("./1/binderfs", [pid 5024] setpgid(0, 0 [pid 5023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] mkdir("./2", 0777 [pid 5007] close(3 [pid 5006] <... close resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5024] <... setpgid resumed>) = 0 [pid 5023] <... openat resumed>) = 3 [pid 5009] <... mkdir resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5006] rmdir("./1" [pid 5005] unlink("./1/binderfs" [pid 5024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5023] write(3, "1000", 4 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] rmdir("./1" [pid 5006] <... rmdir resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5025 attached [pid 5024] <... openat resumed>) = 3 [pid 5023] <... write resumed>) = 4 [pid 5007] <... rmdir resumed>) = 0 [pid 5006] mkdir("./2", 0777 [pid 5005] getdents64(3, [pid 5024] write(3, "1000", 4 [pid 5023] close(3 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5025 [pid 5007] mkdir("./2", 0777 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5024] <... write resumed>) = 4 [pid 5023] <... close resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] close(3./strace-static-x86_64: Process 5026 attached [pid 5025] chdir("./2" [pid 5024] close(3 [pid 5023] symlink("/dev/binderfs", "./binderfs" [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... close resumed>) = 0 ./strace-static-x86_64: Process 5027 attached [pid 5026] chdir("./2" [pid 5025] <... chdir resumed>) = 0 [pid 5024] <... close resumed>) = 0 [pid 5023] <... symlink resumed>) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5026 [pid 5005] rmdir("./1" [pid 5027] chdir("./2" [pid 5026] <... chdir resumed>) = 0 [pid 5025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5024] symlink("/dev/binderfs", "./binderfs" [pid 5023] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5027 [pid 5027] <... chdir resumed>) = 0 [pid 5026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5025] <... prctl resumed>) = 0 [pid 5024] <... symlink resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5025] setpgid(0, 0 [pid 5023] <... openat resumed>) = 3 [pid 5024] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5005] mkdir("./2", 0777 [pid 5027] <... prctl resumed>) = 0 [pid 5026] <... prctl resumed>) = 0 [pid 5025] <... setpgid resumed>) = 0 [pid 5024] <... openat resumed>) = 3 [pid 5023] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5027] setpgid(0, 0 [pid 5026] setpgid(0, 0 [pid 5025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5024] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5023] <... mmap resumed>) = 0x20fff000 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5028 attached [pid 5027] <... setpgid resumed>) = 0 [pid 5026] <... setpgid resumed>) = 0 [pid 5025] <... openat resumed>) = 3 [pid 5024] <... mmap resumed>) = 0x20fff000 [pid 5023] exit_group(0 [pid 5028] chdir("./2" [pid 5027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5025] write(3, "1000", 4 [pid 5024] exit_group(0 [pid 5023] <... exit_group resumed>) = ? [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5028 [pid 5028] <... chdir resumed>) = 0 [pid 5027] <... openat resumed>) = 3 [pid 5026] <... openat resumed>) = 3 [pid 5025] <... write resumed>) = 4 [pid 5024] <... exit_group resumed>) = ? [pid 5023] +++ exited with 0 +++ [pid 5028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5027] write(3, "1000", 4 [pid 5026] write(3, "1000", 4 [pid 5025] close(3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5023, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5028] <... prctl resumed>) = 0 [pid 5027] <... write resumed>) = 4 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5028] setpgid(0, 0 [pid 5027] close(3 [pid 5025] <... close resumed>) = 0 [pid 5024] +++ exited with 0 +++ [pid 5008] <... restart_syscall resumed>) = 0 [pid 5028] <... setpgid resumed>) = 0 [pid 5027] <... close resumed>) = 0 [pid 5026] <... write resumed>) = 4 [pid 5025] symlink("/dev/binderfs", "./binderfs" [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5024, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5027] symlink("/dev/binderfs", "./binderfs" [pid 5026] close(3 [pid 5025] <... symlink resumed>) = 0 [pid 5028] <... openat resumed>) = 3 [pid 5027] <... symlink resumed>) = 0 [pid 5026] <... close resumed>) = 0 [pid 5025] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5028] write(3, "1000", 4 [pid 5027] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5026] symlink("/dev/binderfs", "./binderfs" [pid 5025] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... write resumed>) = 4 [pid 5027] <... openat resumed>) = 3 [pid 5026] <... symlink resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5025] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5028] close(3 [pid 5027] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5026] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] <... openat resumed>) = 3 [pid 5028] <... close resumed>) = 0 [pid 5027] <... mmap resumed>) = 0x20fff000 [pid 5026] <... openat resumed>) = 3 [pid 5025] <... mmap resumed>) = 0x20fff000 [pid 5010] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] fstat(3, [pid 5028] symlink("/dev/binderfs", "./binderfs" [pid 5027] exit_group(0 [pid 5026] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5025] exit_group(0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5028] <... symlink resumed>) = 0 [pid 5027] <... exit_group resumed>) = ? [pid 5010] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] getdents64(3, [pid 5028] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5027] +++ exited with 0 +++ [pid 5026] <... mmap resumed>) = 0x20fff000 [pid 5025] <... exit_group resumed>) = ? [pid 5010] <... openat resumed>) = 3 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5028] <... openat resumed>) = 3 [pid 5026] exit_group(0 [pid 5010] fstat(3, [pid 5008] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5028] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5028] <... mmap resumed>) = 0x20fff000 [pid 5026] <... exit_group resumed>) = ? [pid 5025] +++ exited with 0 +++ [pid 5010] getdents64(3, [pid 5008] lstat("./2/binderfs", [pid 5007] <... restart_syscall resumed>) = 0 [pid 5028] exit_group(0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5025, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5028] <... exit_group resumed>) = ? [pid 5010] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5026] +++ exited with 0 +++ [pid 5008] unlink("./2/binderfs" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./2/binderfs", [pid 5028] +++ exited with 0 +++ [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5007] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5026, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] unlink("./2/binderfs" [pid 5008] getdents64(3, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5010] <... unlink resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... restart_syscall resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5028, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5010] getdents64(3, [pid 5008] close(3 [pid 5007] <... openat resumed>) = 3 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... close resumed>) = 0 [pid 5007] fstat(3, [pid 5010] close(3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] rmdir("./2" [pid 5005] <... restart_syscall resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] rmdir("./2") = 0 [pid 5009] <... openat resumed>) = 3 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] getdents64(3, [pid 5006] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] mkdir("./3", 0777 [pid 5009] fstat(3, [pid 5008] mkdir("./3", 0777 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... mkdir resumed>) = 0 [pid 5007] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] getdents64(3, [pid 5005] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5029 attached [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... openat resumed>) = 3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5030 attached [pid 5029] chdir("./3" [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5029 [pid 5009] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] lstat("./2/binderfs", [pid 5006] fstat(3, [pid 5005] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5029] <... chdir resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5030 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] lstat("./2/binderfs", [pid 5007] unlink("./2/binderfs" [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5030] chdir("./3" [pid 5005] <... openat resumed>) = 3 [pid 5029] <... prctl resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5029] setpgid(0, 0 [pid 5007] <... unlink resumed>) = 0 [pid 5006] getdents64(3, [pid 5005] fstat(3, [pid 5030] <... chdir resumed>) = 0 [pid 5029] <... setpgid resumed>) = 0 [pid 5009] unlink("./2/binderfs" [pid 5007] getdents64(3, [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5030] <... prctl resumed>) = 0 [pid 5029] <... openat resumed>) = 3 [pid 5009] <... unlink resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(3, [pid 5030] setpgid(0, 0 [pid 5029] write(3, "1000", 4 [pid 5009] getdents64(3, [pid 5007] close(3 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5030] <... setpgid resumed>) = 0 [pid 5029] <... write resumed>) = 4 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... close resumed>) = 0 [pid 5006] lstat("./2/binderfs", [pid 5005] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] close(3 [pid 5009] close(3 [pid 5007] rmdir("./2" [pid 5029] <... close resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] symlink("/dev/binderfs", "./binderfs" [pid 5030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5029] <... symlink resumed>) = 0 [pid 5009] rmdir("./2" [pid 5007] <... rmdir resumed>) = 0 [pid 5006] unlink("./2/binderfs" [pid 5005] lstat("./2/binderfs", [pid 5030] <... openat resumed>) = 3 [pid 5029] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5009] <... rmdir resumed>) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5030] write(3, "1000", 4 [pid 5029] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] mkdir("./3", 0777 [pid 5007] mkdir("./3", 0777 [pid 5006] getdents64(3, [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5030] <... write resumed>) = 4 [pid 5029] <... mmap resumed>) = 0x20fff000 [pid 5029] exit_group(0) = ? [pid 5029] +++ exited with 0 +++ [pid 5009] <... mkdir resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5029, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] unlink("./2/binderfs" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] close(3 [pid 5010] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5006] <... close resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5010] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, 0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./3/binderfs", [pid 5006] rmdir("./2" [pid 5005] getdents64(3, [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5031 [pid 5010] unlink("./3/binderfs") = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] getdents64(3, [pid 5006] mkdir("./3", 0777 [pid 5005] close(3 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5031 attached [pid 5010] close(3 [pid 5031] chdir("./3" [pid 5030] close(3 [pid 5010] <... close resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5031] <... chdir resumed>) = 0 [pid 5010] rmdir("./3" [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5030] <... close resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5005] rmdir("./2" [pid 5031] <... prctl resumed>) = 0 [pid 5010] mkdir("./4", 0777 [pid 5031] setpgid(0, 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5031] <... setpgid resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5032 attached [pid 5030] symlink("/dev/binderfs", "./binderfs" [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5032 [pid 5005] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5033 attached [pid 5031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5030] <... symlink resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5033 [pid 5005] mkdir("./3", 0777 [pid 5033] chdir("./4" [pid 5031] <... openat resumed>) = 3 [pid 5030] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5033] <... chdir resumed>) = 0 [pid 5031] write(3, "1000", 4 [pid 5033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5031] <... write resumed>) = 4 [pid 5005] <... mkdir resumed>) = 0 [pid 5033] <... prctl resumed>) = 0 [pid 5031] close(3 [pid 5030] <... openat resumed>) = 3 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5034 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5033] setpgid(0, 0 [pid 5031] <... close resumed>) = 0 [pid 5030] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5033] <... setpgid resumed>) = 0 [pid 5031] symlink("/dev/binderfs", "./binderfs" [pid 5033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5031] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5034 attached [pid 5033] <... openat resumed>) = 3 [pid 5031] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5030] <... mmap resumed>) = 0x20fff000 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5035 [pid 5034] chdir("./3" [pid 5033] write(3, "1000", 4 [pid 5032] chdir("./3" [pid 5031] <... openat resumed>) = 3 [pid 5030] exit_group(0./strace-static-x86_64: Process 5035 attached [pid 5034] <... chdir resumed>) = 0 [pid 5033] <... write resumed>) = 4 [pid 5032] <... chdir resumed>) = 0 [pid 5031] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5030] <... exit_group resumed>) = ? [pid 5035] chdir("./3" [pid 5034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5033] close(3 [pid 5032] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5031] <... mmap resumed>) = 0x20fff000 [pid 5030] +++ exited with 0 +++ [pid 5035] <... chdir resumed>) = 0 [pid 5034] <... prctl resumed>) = 0 [pid 5033] <... close resumed>) = 0 [pid 5032] <... prctl resumed>) = 0 [pid 5035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5034] setpgid(0, 0 [pid 5033] symlink("/dev/binderfs", "./binderfs" [pid 5032] setpgid(0, 0 [pid 5031] exit_group(0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5030, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5035] <... prctl resumed>) = 0 [pid 5034] <... setpgid resumed>) = 0 [pid 5033] <... symlink resumed>) = 0 [pid 5032] <... setpgid resumed>) = 0 [pid 5031] <... exit_group resumed>) = ? [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5035] setpgid(0, 0 [pid 5033] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... restart_syscall resumed>) = 0 [pid 5035] <... setpgid resumed>) = 0 [pid 5032] <... openat resumed>) = 3 [pid 5035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5032] write(3, "1000", 4 [pid 5031] +++ exited with 0 +++ [pid 5035] <... openat resumed>) = 3 [pid 5034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5033] <... openat resumed>) = 3 [pid 5032] <... write resumed>) = 4 [pid 5008] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5035] write(3, "1000", 4 [pid 5033] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5032] close(3 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5031, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5035] <... write resumed>) = 4 [pid 5034] <... openat resumed>) = 3 [pid 5032] <... close resumed>) = 0 [pid 5009] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5035] close(3 [pid 5034] write(3, "1000", 4 [pid 5033] <... mmap resumed>) = 0x20fff000 [pid 5032] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 3 [pid 5035] <... close resumed>) = 0 [pid 5034] <... write resumed>) = 4 [pid 5033] exit_group(0 [pid 5032] <... symlink resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] fstat(3, [pid 5035] symlink("/dev/binderfs", "./binderfs" [pid 5034] close(3 [pid 5033] <... exit_group resumed>) = ? [pid 5032] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... openat resumed>) = 3 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5035] <... symlink resumed>) = 0 [pid 5034] <... close resumed>) = 0 [pid 5032] <... openat resumed>) = 3 [pid 5009] fstat(3, [pid 5008] getdents64(3, [pid 5035] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5033] +++ exited with 0 +++ [pid 5034] symlink("/dev/binderfs", "./binderfs" [pid 5032] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5035] <... openat resumed>) = 3 [pid 5034] <... symlink resumed>) = 0 [pid 5032] <... mmap resumed>) = 0x20fff000 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5033, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] getdents64(3, [pid 5008] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5035] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5034] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5032] exit_group(0 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5035] <... mmap resumed>) = 0x20fff000 [pid 5034] <... openat resumed>) = 3 [pid 5032] <... exit_group resumed>) = ? [pid 5010] <... restart_syscall resumed>) = 0 [pid 5009] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./3/binderfs", [pid 5035] exit_group(0 [pid 5034] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5032] +++ exited with 0 +++ [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5035] <... exit_group resumed>) = ? [pid 5009] lstat("./3/binderfs", [pid 5008] unlink("./3/binderfs" [pid 5034] <... mmap resumed>) = 0x20fff000 [pid 5035] +++ exited with 0 +++ [pid 5034] exit_group(0 [pid 5010] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5034] <... exit_group resumed>) = ? [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5032, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5035, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5034] +++ exited with 0 +++ [pid 5010] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] unlink("./3/binderfs" [pid 5008] getdents64(3, [pid 5006] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... openat resumed>) = 3 [pid 5010] fstat(3, [pid 5009] <... unlink resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5034, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] getdents64(3, [pid 5009] getdents64(3, [pid 5008] close(3 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5006] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] <... close resumed>) = 0 [pid 5007] <... restart_syscall resumed>) = 0 [pid 5010] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] close(3 [pid 5008] rmdir("./3" [pid 5006] <... openat resumed>) = 3 [pid 5005] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... close resumed>) = 0 [pid 5010] lstat("./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5010] unlink("./4/binderfs" [pid 5006] fstat(3, [pid 5010] <... unlink resumed>) = 0 [pid 5009] rmdir("./3" [pid 5008] mkdir("./4", 0777 [pid 5007] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] getdents64(3, 0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] close(3) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] rmdir("./4" [pid 5006] getdents64(3, [pid 5005] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... rmdir resumed>) = 0 [pid 5009] mkdir("./4", 0777 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] mkdir("./5", 0777 [pid 5009] <... mkdir resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... openat resumed>) = 3 [pid 5006] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] fstat(3, [pid 5010] <... mkdir resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] fstat(3, [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5037 attached ./strace-static-x86_64: Process 5036 attached [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5036 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] lstat("./3/binderfs", [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5038 attached [pid 5037] chdir("./4" [pid 5036] chdir("./4" [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5038 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5037 [pid 5007] getdents64(3, [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] getdents64(3, [pid 5037] <... chdir resumed>) = 0 [pid 5036] <... chdir resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] unlink("./3/binderfs" [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... unlink resumed>) = 0 [pid 5005] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5037] <... prctl resumed>) = 0 [pid 5036] <... prctl resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] getdents64(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5037] setpgid(0, 0 [pid 5036] setpgid(0, 0 [pid 5038] chdir("./5" [pid 5007] lstat("./3/binderfs", [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] lstat("./3/binderfs", [pid 5038] <... chdir resumed>) = 0 [pid 5037] <... setpgid resumed>) = 0 [pid 5036] <... setpgid resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] close(3 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5038] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] unlink("./3/binderfs" [pid 5006] <... close resumed>) = 0 [pid 5005] unlink("./3/binderfs" [pid 5038] <... prctl resumed>) = 0 [pid 5037] <... openat resumed>) = 3 [pid 5036] <... openat resumed>) = 3 [pid 5007] <... unlink resumed>) = 0 [pid 5006] rmdir("./3" [pid 5038] setpgid(0, 0 [pid 5037] write(3, "1000", 4 [pid 5036] write(3, "1000", 4 [pid 5007] getdents64(3, [pid 5005] <... unlink resumed>) = 0 [pid 5038] <... setpgid resumed>) = 0 [pid 5038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5037] <... write resumed>) = 4 [pid 5036] <... write resumed>) = 4 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] getdents64(3, [pid 5038] <... openat resumed>) = 3 [pid 5037] close(3 [pid 5036] close(3 [pid 5007] close(3 [pid 5006] mkdir("./4", 0777 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5038] write(3, "1000", 4 [pid 5037] <... close resumed>) = 0 [pid 5036] <... close resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] close(3 [pid 5038] <... write resumed>) = 4 [pid 5037] symlink("/dev/binderfs", "./binderfs" [pid 5036] symlink("/dev/binderfs", "./binderfs" [pid 5007] rmdir("./3" [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... close resumed>) = 0 [pid 5038] close(3 [pid 5037] <... symlink resumed>) = 0 [pid 5036] <... symlink resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5038] <... close resumed>) = 0 ./strace-static-x86_64: Process 5039 attached [pid 5038] symlink("/dev/binderfs", "./binderfs" [pid 5037] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5005] rmdir("./3" [pid 5036] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5007] mkdir("./4", 0777 [pid 5039] chdir("./4" [pid 5038] <... symlink resumed>) = 0 [pid 5037] <... openat resumed>) = 3 [pid 5036] <... openat resumed>) = 3 [pid 5007] <... mkdir resumed>) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5039 [pid 5005] <... rmdir resumed>) = 0 [pid 5039] <... chdir resumed>) = 0 [pid 5038] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5037] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5036] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] mkdir("./4", 0777 [pid 5039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5038] <... openat resumed>) = 3 [pid 5037] <... mmap resumed>) = 0x20fff000 [pid 5038] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5036] <... mmap resumed>) = 0x20fff000 ./strace-static-x86_64: Process 5040 attached [pid 5039] <... prctl resumed>) = 0 [pid 5038] <... mmap resumed>) = 0x20fff000 [pid 5037] exit_group(0 [pid 5036] exit_group(0 [pid 5005] <... mkdir resumed>) = 0 [pid 5040] chdir("./4" [pid 5039] setpgid(0, 0 [pid 5038] exit_group(0 [pid 5037] <... exit_group resumed>) = ? [pid 5036] <... exit_group resumed>) = ? [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5040 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5040] <... chdir resumed>) = 0 [pid 5039] <... setpgid resumed>) = 0 [pid 5038] <... exit_group resumed>) = ? [pid 5037] +++ exited with 0 +++ [pid 5038] +++ exited with 0 +++ [pid 5036] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5038, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5041 attached ) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5037, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5041 [pid 5040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5036, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5040] <... prctl resumed>) = 0 [pid 5039] <... openat resumed>) = 3 [pid 5009] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5040] setpgid(0, 0 [pid 5039] write(3, "1000", 4 [pid 5010] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5040] <... setpgid resumed>) = 0 [pid 5039] <... write resumed>) = 4 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5041] chdir("./4" [pid 5039] close(3 [pid 5010] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... openat resumed>) = 3 [pid 5041] <... chdir resumed>) = 0 [pid 5040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5039] <... close resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5009] fstat(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5039] symlink("/dev/binderfs", "./binderfs" [pid 5010] fstat(3, [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5041] <... prctl resumed>) = 0 [pid 5039] <... symlink resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5041] setpgid(0, 0 [pid 5010] getdents64(3, [pid 5009] getdents64(3, [pid 5008] <... openat resumed>) = 3 [pid 5041] <... setpgid resumed>) = 0 [pid 5040] <... openat resumed>) = 3 [pid 5039] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] fstat(3, [pid 5041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5040] write(3, "1000", 4 [pid 5039] <... openat resumed>) = 3 [pid 5010] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5041] <... openat resumed>) = 3 [pid 5040] <... write resumed>) = 4 [pid 5039] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(3, [pid 5041] write(3, "1000", 4 [pid 5040] close(3 [pid 5039] <... mmap resumed>) = 0x20fff000 [pid 5010] lstat("./5/binderfs", [pid 5009] lstat("./4/binderfs", [pid 5041] <... write resumed>) = 4 [pid 5040] <... close resumed>) = 0 [pid 5039] exit_group(0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5041] close(3 [pid 5040] symlink("/dev/binderfs", "./binderfs" [pid 5039] <... exit_group resumed>) = ? [pid 5010] unlink("./5/binderfs" [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5041] <... close resumed>) = 0 [pid 5040] <... symlink resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5041] symlink("/dev/binderfs", "./binderfs" [pid 5010] getdents64(3, [pid 5041] <... symlink resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5041] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] close(3 [pid 5009] unlink("./4/binderfs" [pid 5041] <... openat resumed>) = 3 [pid 5040] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5039] +++ exited with 0 +++ [pid 5010] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5041] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5040] <... openat resumed>) = 3 [pid 5010] rmdir("./5" [pid 5009] <... unlink resumed>) = 0 [pid 5008] lstat("./4/binderfs", [pid 5041] <... mmap resumed>) = 0x20fff000 [pid 5040] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] getdents64(3, [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5039, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5041] exit_group(0 [pid 5040] <... mmap resumed>) = 0x20fff000 [pid 5010] mkdir("./6", 0777 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] unlink("./4/binderfs" [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5041] <... exit_group resumed>) = ? [pid 5040] exit_group(0 [pid 5009] close(3 [pid 5006] <... restart_syscall resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5040] <... exit_group resumed>) = ? [pid 5009] <... close resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5041] +++ exited with 0 +++ [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] getdents64(3, [pid 5040] +++ exited with 0 +++ [pid 5009] rmdir("./4" [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5041, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5042 attached [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5042 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5042] chdir("./6" [pid 5009] <... rmdir resumed>) = 0 [pid 5008] close(3 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5040, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5042] <... chdir resumed>) = 0 [pid 5009] mkdir("./5", 0777 [pid 5008] <... close resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... mkdir resumed>) = 0 [pid 5008] rmdir("./4" [pid 5006] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5042] <... prctl resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5042] setpgid(0, 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5006] <... openat resumed>) = 3 [pid 5042] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5043 attached [pid 5042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] mkdir("./5", 0777 [pid 5006] fstat(3, [pid 5043] chdir("./5" [pid 5042] <... openat resumed>) = 3 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5043 [pid 5008] <... mkdir resumed>) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5043] <... chdir resumed>) = 0 [pid 5042] write(3, "1000", 4 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] getdents64(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5044 attached [pid 5043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5042] <... write resumed>) = 4 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5044] chdir("./5" [pid 5043] <... prctl resumed>) = 0 [pid 5042] close(3 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5044 [pid 5007] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5044] <... chdir resumed>) = 0 [pid 5043] setpgid(0, 0 [pid 5042] <... close resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... openat resumed>) = 3 [pid 5044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5043] <... setpgid resumed>) = 0 [pid 5042] symlink("/dev/binderfs", "./binderfs" [pid 5007] fstat(3, [pid 5006] lstat("./4/binderfs", [pid 5005] fstat(3, [pid 5044] <... prctl resumed>) = 0 [pid 5043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5042] <... symlink resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5044] setpgid(0, 0 [pid 5043] <... openat resumed>) = 3 [pid 5042] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5007] getdents64(3, [pid 5006] unlink("./4/binderfs" [pid 5005] getdents64(3, [pid 5044] <... setpgid resumed>) = 0 [pid 5043] write(3, "1000", 4 [pid 5042] <... openat resumed>) = 3 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5043] <... write resumed>) = 4 [pid 5042] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... unlink resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5044] <... openat resumed>) = 3 [pid 5043] close(3 [pid 5042] <... mmap resumed>) = 0x20fff000 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] getdents64(3, [pid 5005] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5044] write(3, "1000", 4 [pid 5043] <... close resumed>) = 0 [pid 5042] exit_group(0 [pid 5007] lstat("./4/binderfs", [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5044] <... write resumed>) = 4 [pid 5043] symlink("/dev/binderfs", "./binderfs" [pid 5042] <... exit_group resumed>) = ? [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] close(3 [pid 5005] lstat("./4/binderfs", [pid 5044] close(3 [pid 5043] <... symlink resumed>) = 0 [pid 5007] unlink("./4/binderfs" [pid 5006] <... close resumed>) = 0 [pid 5044] <... close resumed>) = 0 [pid 5043] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5042] +++ exited with 0 +++ [pid 5007] <... unlink resumed>) = 0 [pid 5006] rmdir("./4" [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5044] symlink("/dev/binderfs", "./binderfs" [pid 5043] <... openat resumed>) = 3 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5042, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] getdents64(3, [pid 5044] <... symlink resumed>) = 0 [pid 5043] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] unlink("./4/binderfs" [pid 5044] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5043] <... mmap resumed>) = 0x20fff000 [pid 5007] close(3 [pid 5006] mkdir("./5", 0777 [pid 5043] exit_group(0 [pid 5010] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... close resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] rmdir("./4" [pid 5044] <... openat resumed>) = 3 [pid 5043] <... exit_group resumed>) = ? [pid 5010] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... rmdir resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] getdents64(3, [pid 5010] <... openat resumed>) = 3 [pid 5007] mkdir("./5", 0777 [pid 5010] fstat(3, [pid 5007] <... mkdir resumed>) = 0 [pid 5043] +++ exited with 0 +++ [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5045 attached [pid 5044] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] getdents64(3, [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5043, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5045 [pid 5010] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] close(3 [pid 5010] unlink("./6/binderfs") = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5046 [pid 5005] <... close resumed>) = 0 [pid 5009] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] getdents64(3, [pid 5005] rmdir("./4" [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] close(3) = 0 [pid 5010] rmdir("./6" [pid 5005] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5046 attached [pid 5044] <... mmap resumed>) = 0x20fff000 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] mkdir("./5", 0777 [pid 5046] chdir("./5" [pid 5044] exit_group(0 [pid 5010] mkdir("./7", 0777 [pid 5009] <... openat resumed>) = 3 [pid 5046] <... chdir resumed>) = 0 [pid 5044] <... exit_group resumed>) = ? [pid 5010] <... mkdir resumed>) = 0 [pid 5009] fstat(3, [pid 5005] <... mkdir resumed>) = 0 [pid 5046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5046] <... prctl resumed>) = 0 [pid 5009] getdents64(3, [pid 5046] setpgid(0, 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5047 [pid 5046] <... setpgid resumed>) = 0 [pid 5046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5046] <... openat resumed>) = 3 [pid 5044] +++ exited with 0 +++ [pid 5009] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5048 [pid 5046] write(3, "1000", 4 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5044, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5046] <... write resumed>) = 4 [pid 5009] lstat("./5/binderfs", [pid 5045] chdir("./5"./strace-static-x86_64: Process 5048 attached [pid 5046] close(3 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5046] <... close resumed>) = 0 [pid 5045] <... chdir resumed>) = 0 [pid 5009] unlink("./5/binderfs"./strace-static-x86_64: Process 5047 attached [pid 5048] chdir("./5" [pid 5046] symlink("/dev/binderfs", "./binderfs" [pid 5045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5048] <... chdir resumed>) = 0 [pid 5047] chdir("./7" [pid 5046] <... symlink resumed>) = 0 [pid 5045] <... prctl resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5047] <... chdir resumed>) = 0 [pid 5046] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5045] setpgid(0, 0 [pid 5009] getdents64(3, [pid 5048] <... prctl resumed>) = 0 [pid 5047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5046] <... openat resumed>) = 3 [pid 5045] <... setpgid resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5047] <... prctl resumed>) = 0 [pid 5046] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5048] setpgid(0, 0 [pid 5047] setpgid(0, 0 [pid 5046] <... mmap resumed>) = 0x20fff000 [pid 5045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... close resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5048] <... setpgid resumed>) = 0 [pid 5047] <... setpgid resumed>) = 0 [pid 5046] exit_group(0 [pid 5009] rmdir("./5" [pid 5008] <... openat resumed>) = 3 [pid 5048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5046] <... exit_group resumed>) = ? [pid 5045] <... openat resumed>) = 3 [pid 5047] <... openat resumed>) = 3 [pid 5046] +++ exited with 0 +++ [pid 5009] <... rmdir resumed>) = 0 [pid 5047] write(3, "1000", 4 [pid 5045] write(3, "1000", 4 [pid 5009] mkdir("./6", 0777 [pid 5008] fstat(3, [pid 5048] <... openat resumed>) = 3 [pid 5047] <... write resumed>) = 4 [pid 5045] <... write resumed>) = 4 [pid 5047] close(3 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5046, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5047] <... close resumed>) = 0 [pid 5008] getdents64(3, [pid 5047] symlink("/dev/binderfs", "./binderfs" [pid 5045] close(3 [pid 5006] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5048] write(3, "1000", 4 [pid 5047] <... symlink resumed>) = 0 [pid 5045] <... close resumed>) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5008] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5048] <... write resumed>) = 4 [pid 5047] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5045] symlink("/dev/binderfs", "./binderfs" [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5048] close(3 [pid 5047] <... openat resumed>) = 3 [pid 5047] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5045] <... symlink resumed>) = 0 [pid 5008] lstat("./5/binderfs", [pid 5047] <... mmap resumed>) = 0x20fff000 [pid 5006] <... openat resumed>) = 3 [pid 5047] exit_group(0 [pid 5045] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] fstat(3, [pid 5048] <... close resumed>) = 0 [pid 5047] <... exit_group resumed>) = ? [pid 5045] <... openat resumed>) = 3 [pid 5008] unlink("./5/binderfs" [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5048] symlink("/dev/binderfs", "./binderfs" [pid 5047] +++ exited with 0 +++ [pid 5045] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5049 [pid 5008] <... unlink resumed>) = 0 [pid 5006] getdents64(3, [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5047, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5045] <... mmap resumed>) = 0x20fff000 [pid 5010] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] getdents64(3, [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5045] exit_group(0 [pid 5010] fstat(3, [pid 5045] <... exit_group resumed>) = ? [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5048] <... symlink resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] close(3 [pid 5010] getdents64(3, [pid 5006] lstat("./5/binderfs", ./strace-static-x86_64: Process 5049 attached [pid 5048] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] <... close resumed>) = 0 [pid 5049] chdir("./6" [pid 5048] <... openat resumed>) = 3 [pid 5010] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] rmdir("./5" [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5049] <... chdir resumed>) = 0 [pid 5045] +++ exited with 0 +++ [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] lstat("./7/binderfs", [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5045, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5049] <... prctl resumed>) = 0 [pid 5048] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5006] unlink("./5/binderfs" [pid 5049] setpgid(0, 0 [pid 5010] unlink("./7/binderfs" [pid 5049] <... setpgid resumed>) = 0 [pid 5048] <... mmap resumed>) = 0x20fff000 [pid 5010] <... unlink resumed>) = 0 [pid 5008] mkdir("./6", 0777 [pid 5007] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... unlink resumed>) = 0 [pid 5049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] getdents64(3, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5049] <... openat resumed>) = 3 [pid 5048] exit_group(0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] getdents64(3, [pid 5049] write(3, "1000", 4 [pid 5048] <... exit_group resumed>) = ? [pid 5010] close(3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... openat resumed>) = 3 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5049] <... write resumed>) = 4 [pid 5010] <... close resumed>) = 0 [pid 5007] fstat(3, [pid 5006] close(3 [pid 5049] close(3 [pid 5010] rmdir("./7" [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5049] <... close resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5007] getdents64(3, [pid 5006] <... close resumed>) = 0 [pid 5049] symlink("/dev/binderfs", "./binderfs" [pid 5010] mkdir("./8", 0777 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] rmdir("./5" [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5050 [pid 5049] <... symlink resumed>) = 0 [pid 5048] +++ exited with 0 +++ [pid 5010] <... mkdir resumed>) = 0 [pid 5007] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5049] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5050 attached [pid 5049] <... openat resumed>) = 3 [pid 5007] lstat("./5/binderfs", [pid 5006] <... rmdir resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5048, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5050] chdir("./6" [pid 5049] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5051 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] mkdir("./6", 0777./strace-static-x86_64: Process 5051 attached [pid 5050] <... chdir resumed>) = 0 [pid 5049] <... mmap resumed>) = 0x20fff000 [pid 5007] unlink("./5/binderfs" [pid 5050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5049] exit_group(0 [pid 5007] <... unlink resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5049] <... exit_group resumed>) = ? [pid 5007] getdents64(3, [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5051] chdir("./8" [pid 5050] <... prctl resumed>) = 0 [pid 5049] +++ exited with 0 +++ [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./5" [pid 5050] setpgid(0, 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5049, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5051] <... chdir resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5052 attached [pid 5050] <... setpgid resumed>) = 0 [pid 5007] mkdir("./6", 0777 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5052 [pid 5005] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... mkdir resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5053 attached [pid 5052] chdir("./6" [pid 5051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5050] <... openat resumed>) = 3 [pid 5009] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] fstat(3, [pid 5053] chdir("./6" [pid 5052] <... chdir resumed>) = 0 [pid 5051] <... prctl resumed>) = 0 [pid 5050] write(3, "1000", 4 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5053 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5053] <... chdir resumed>) = 0 [pid 5052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5051] setpgid(0, 0 [pid 5050] <... write resumed>) = 4 [pid 5009] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] getdents64(3, [pid 5053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5052] <... prctl resumed>) = 0 [pid 5051] <... setpgid resumed>) = 0 [pid 5050] close(3 [pid 5009] <... openat resumed>) = 3 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5053] <... prctl resumed>) = 0 [pid 5052] setpgid(0, 0 [pid 5051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5050] <... close resumed>) = 0 [pid 5009] fstat(3, [pid 5005] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] setpgid(0, 0 [pid 5052] <... setpgid resumed>) = 0 [pid 5051] <... openat resumed>) = 3 [pid 5050] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... setpgid resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5051] write(3, "1000", 4 [pid 5050] <... symlink resumed>) = 0 [pid 5009] getdents64(3, [pid 5005] lstat("./5/binderfs", [pid 5052] <... openat resumed>) = 3 [pid 5051] <... write resumed>) = 4 [pid 5050] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5052] write(3, "1000", 4 [pid 5009] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5052] <... write resumed>) = 4 [pid 5051] close(3 [pid 5050] <... openat resumed>) = 3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] unlink("./5/binderfs" [pid 5052] close(3 [pid 5051] <... close resumed>) = 0 [pid 5050] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] lstat("./6/binderfs", [pid 5052] <... close resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5052] symlink("/dev/binderfs", "./binderfs" [pid 5009] unlink("./6/binderfs" [pid 5052] <... symlink resumed>) = 0 [pid 5051] symlink("/dev/binderfs", "./binderfs" [pid 5050] <... mmap resumed>) = 0x20fff000 [pid 5009] <... unlink resumed>) = 0 [pid 5005] getdents64(3, [pid 5053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5052] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5050] exit_group(0 [pid 5009] getdents64(3, [pid 5052] <... openat resumed>) = 3 [pid 5051] <... symlink resumed>) = 0 [pid 5050] <... exit_group resumed>) = ? [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5053] <... openat resumed>) = 3 [pid 5052] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] close(3 [pid 5052] <... mmap resumed>) = 0x20fff000 [pid 5051] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5050] +++ exited with 0 +++ [pid 5009] <... close resumed>) = 0 [pid 5005] close(3 [pid 5053] write(3, "1000", 4 [pid 5052] exit_group(0 [pid 5051] <... openat resumed>) = 3 [pid 5009] rmdir("./6" [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5050, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... close resumed>) = 0 [pid 5053] <... write resumed>) = 4 [pid 5052] <... exit_group resumed>) = ? [pid 5051] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5005] rmdir("./5" [pid 5053] close(3 [pid 5052] +++ exited with 0 +++ [pid 5009] mkdir("./7", 0777) = 0 [pid 5008] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5052, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] <... close resumed>) = 0 [pid 5051] <... mmap resumed>) = 0x20fff000 [pid 5005] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5054 attached [pid 5053] symlink("/dev/binderfs", "./binderfs" [pid 5008] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] mkdir("./6", 0777 [pid 5054] chdir("./7" [pid 5053] <... symlink resumed>) = 0 [pid 5051] exit_group(0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5054 [pid 5008] <... openat resumed>) = 3 [pid 5006] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5054] <... chdir resumed>) = 0 [pid 5008] fstat(3, [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... mkdir resumed>) = 0 [pid 5054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5053] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5051] <... exit_group resumed>) = ? [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] <... prctl resumed>) = 0 [pid 5008] getdents64(3, [pid 5006] <... openat resumed>) = 3 [pid 5054] setpgid(0, 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] fstat(3, [pid 5054] <... setpgid resumed>) = 0 [pid 5008] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] getdents64(3, [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5055 [pid 5054] <... openat resumed>) = 3 [pid 5053] <... openat resumed>) = 3 [pid 5051] +++ exited with 0 +++ [pid 5008] lstat("./6/binderfs", [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5054] write(3, "1000", 4 [pid 5053] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5051, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5055 attached [pid 5054] <... write resumed>) = 4 [pid 5008] unlink("./6/binderfs" [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] chdir("./6" [pid 5054] close(3 [pid 5053] <... mmap resumed>) = 0x20fff000 [pid 5008] <... unlink resumed>) = 0 [pid 5006] lstat("./6/binderfs", [pid 5055] <... chdir resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5053] exit_group(0 [pid 5010] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(3, [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5054] symlink("/dev/binderfs", "./binderfs" [pid 5053] <... exit_group resumed>) = ? [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] unlink("./6/binderfs" [pid 5055] <... prctl resumed>) = 0 [pid 5054] <... symlink resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] close(3 [pid 5006] <... unlink resumed>) = 0 [pid 5055] setpgid(0, 0 [pid 5054] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... openat resumed>) = 3 [pid 5008] <... close resumed>) = 0 [pid 5006] getdents64(3, [pid 5055] <... setpgid resumed>) = 0 [pid 5054] <... openat resumed>) = 3 [pid 5053] +++ exited with 0 +++ [pid 5010] fstat(3, [pid 5008] rmdir("./6" [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5054] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5006] close(3 [pid 5055] <... openat resumed>) = 3 [pid 5054] <... mmap resumed>) = 0x20fff000 [pid 5010] getdents64(3, [pid 5008] mkdir("./7", 0777 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5053, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] <... close resumed>) = 0 [pid 5055] write(3, "1000", 4 [pid 5054] exit_group(0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5010] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... restart_syscall resumed>) = 0 [pid 5055] <... write resumed>) = 4 [pid 5054] <... exit_group resumed>) = ? [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... mkdir resumed>) = 0 [pid 5006] rmdir("./6" [pid 5055] close(3 [pid 5010] lstat("./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] unlink("./8/binderfs" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... unlink resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] +++ exited with 0 +++ [pid 5006] <... rmdir resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5010] getdents64(3, [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5054, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] mkdir("./7", 0777./strace-static-x86_64: Process 5056 attached [pid 5055] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5056] chdir("./7" [pid 5055] <... symlink resumed>) = 0 [pid 5010] close(3 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5056 [pid 5007] fstat(3, [pid 5006] <... mkdir resumed>) = 0 [pid 5056] <... chdir resumed>) = 0 [pid 5055] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... close resumed>) = 0 [pid 5009] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5055] <... openat resumed>) = 3 [pid 5010] rmdir("./8" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5056] <... prctl resumed>) = 0 [pid 5055] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] mkdir("./9", 0777 [pid 5007] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5056] setpgid(0, 0 [pid 5055] <... mmap resumed>) = 0x20fff000 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5057 [pid 5056] <... setpgid resumed>) = 0 [pid 5055] exit_group(0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] fstat(3, [pid 5007] lstat("./6/binderfs", ./strace-static-x86_64: Process 5058 attached ./strace-static-x86_64: Process 5057 attached [pid 5056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5055] <... exit_group resumed>) = ? [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5057] chdir("./7" [pid 5056] <... openat resumed>) = 3 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5058 [pid 5007] unlink("./6/binderfs" [pid 5057] <... chdir resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] getdents64(3, [pid 5007] getdents64(3, [pid 5055] +++ exited with 0 +++ [pid 5057] <... prctl resumed>) = 0 [pid 5056] write(3, "1000", 4 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5055, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5057] setpgid(0, 0 [pid 5056] <... write resumed>) = 4 [pid 5009] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] close(3 [pid 5057] <... setpgid resumed>) = 0 [pid 5056] close(3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... close resumed>) = 0 [pid 5057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5056] <... close resumed>) = 0 [pid 5009] lstat("./7/binderfs", [pid 5007] rmdir("./6" [pid 5058] chdir("./9" [pid 5057] <... openat resumed>) = 3 [pid 5056] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5057] write(3, "1000", 4 [pid 5056] <... symlink resumed>) = 0 [pid 5009] unlink("./7/binderfs" [pid 5007] mkdir("./7", 0777 [pid 5058] <... chdir resumed>) = 0 [pid 5057] <... write resumed>) = 4 [pid 5056] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... unlink resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5057] close(3 [pid 5009] getdents64(3, [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5058] <... prctl resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] setpgid(0, 0 [pid 5057] symlink("/dev/binderfs", "./binderfs" [pid 5056] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] close(3 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5059 [pid 5005] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5059 attached [pid 5058] <... setpgid resumed>) = 0 [pid 5057] <... symlink resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5057] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5056] <... mmap resumed>) = 0x20fff000 [pid 5009] <... close resumed>) = 0 [pid 5005] fstat(3, [pid 5058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5057] <... openat resumed>) = 3 [pid 5056] exit_group(0 [pid 5009] rmdir("./7" [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5058] <... openat resumed>) = 3 [pid 5057] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5005] getdents64(3, [pid 5059] chdir("./7" [pid 5058] write(3, "1000", 4 [pid 5057] <... mmap resumed>) = 0x20fff000 [pid 5056] <... exit_group resumed>) = ? [pid 5009] <... rmdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5058] <... write resumed>) = 4 [pid 5057] exit_group(0 [pid 5005] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5057] <... exit_group resumed>) = ? [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5059] <... chdir resumed>) = 0 [pid 5058] close(3 [pid 5057] +++ exited with 0 +++ [pid 5056] +++ exited with 0 +++ [pid 5009] mkdir("./8", 0777 [pid 5005] lstat("./6/binderfs", [pid 5058] <... close resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./6/binderfs" [pid 5009] <... mkdir resumed>) = 0 [pid 5058] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... unlink resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5056, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5057, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] getdents64(3, [pid 5058] <... symlink resumed>) = 0 [pid 5008] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./6" [pid 5058] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... rmdir resumed>) = 0 [pid 5058] <... openat resumed>) = 3 [pid 5008] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] mkdir("./7", 0777 [pid 5059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5058] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5060 [pid 5008] <... openat resumed>) = 3 [pid 5006] <... openat resumed>) = 3 [pid 5005] <... mkdir resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5060 attached ./strace-static-x86_64: Process 5061 attached [pid 5059] <... prctl resumed>) = 0 [pid 5058] <... mmap resumed>) = 0x20fff000 [pid 5008] fstat(3, [pid 5006] fstat(3, [pid 5060] chdir("./8" [pid 5059] setpgid(0, 0 [pid 5058] exit_group(0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5061 [pid 5060] <... chdir resumed>) = 0 [pid 5059] <... setpgid resumed>) = 0 [pid 5058] <... exit_group resumed>) = ? [pid 5008] getdents64(3, [pid 5006] getdents64(3, [pid 5060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5060] setpgid(0, 0) = 0 [pid 5060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5060] write(3, "1000", 4 [pid 5058] +++ exited with 0 +++ [pid 5008] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5060] <... write resumed>) = 4 [pid 5059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5058, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5060] close(3 [pid 5008] lstat("./7/binderfs", [pid 5060] <... close resumed>) = 0 [pid 5059] <... openat resumed>) = 3 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] lstat("./7/binderfs", [pid 5060] symlink("/dev/binderfs", "./binderfs" [pid 5059] write(3, "1000", 4 [pid 5008] unlink("./7/binderfs" [pid 5061] chdir("./7" [pid 5060] <... symlink resumed>) = 0 [pid 5059] <... write resumed>) = 4 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5060] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5059] close(3 [pid 5008] <... unlink resumed>) = 0 [pid 5006] unlink("./7/binderfs" [pid 5061] <... chdir resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5008] getdents64(3, [pid 5060] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5059] <... close resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5060] <... mmap resumed>) = 0x20fff000 [pid 5059] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] close(3 [pid 5006] getdents64(3, [pid 5061] <... prctl resumed>) = 0 [pid 5060] exit_group(0 [pid 5059] <... symlink resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... close resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5061] setpgid(0, 0 [pid 5060] <... exit_group resumed>) = ? [pid 5059] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... openat resumed>) = 3 [pid 5008] rmdir("./7" [pid 5006] close(3 [pid 5061] <... setpgid resumed>) = 0 [pid 5059] <... openat resumed>) = 3 [pid 5010] fstat(3, [pid 5008] <... rmdir resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5060] +++ exited with 0 +++ [pid 5059] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] mkdir("./8", 0777 [pid 5006] rmdir("./7" [pid 5061] <... openat resumed>) = 3 [pid 5059] <... mmap resumed>) = 0x20fff000 [pid 5010] getdents64(3, [pid 5061] write(3, "1000", 4 [pid 5059] exit_group(0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5060, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... mkdir resumed>) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5061] <... write resumed>) = 4 [pid 5059] <... exit_group resumed>) = ? [pid 5010] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] mkdir("./8", 0777 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... mkdir resumed>) = 0 [pid 5010] lstat("./9/binderfs", [pid 5009] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5062 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] close(3./strace-static-x86_64: Process 5063 attached ./strace-static-x86_64: Process 5062 attached [pid 5059] +++ exited with 0 +++ [pid 5061] <... close resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5062] chdir("./8" [pid 5061] symlink("/dev/binderfs", "./binderfs" [pid 5010] unlink("./9/binderfs" [pid 5009] fstat(3, [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5059, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5063] chdir("./8" [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5063 [pid 5062] <... chdir resumed>) = 0 [pid 5061] <... symlink resumed>) = 0 [pid 5063] <... chdir resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5061] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] getdents64(3, [pid 5009] getdents64(3, [pid 5063] <... prctl resumed>) = 0 [pid 5062] <... prctl resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5063] setpgid(0, 0 [pid 5062] setpgid(0, 0 [pid 5061] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] close(3 [pid 5009] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] <... setpgid resumed>) = 0 [pid 5062] <... setpgid resumed>) = 0 [pid 5061] <... mmap resumed>) = 0x20fff000 [pid 5007] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5061] exit_group(0 [pid 5010] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... openat resumed>) = 3 [pid 5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] <... openat resumed>) = 3 [pid 5061] <... exit_group resumed>) = ? [pid 5010] rmdir("./9" [pid 5009] lstat("./8/binderfs", [pid 5007] fstat(3, [pid 5062] write(3, "1000", 4 [pid 5063] <... openat resumed>) = 3 [pid 5063] write(3, "1000", 4 [pid 5010] <... rmdir resumed>) = 0 [pid 5063] <... write resumed>) = 4 [pid 5062] <... write resumed>) = 4 [pid 5061] +++ exited with 0 +++ [pid 5010] mkdir("./10", 0777 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5063] close(3 [pid 5062] close(3 [pid 5063] <... close resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] unlink("./8/binderfs" [pid 5007] getdents64(3, [pid 5063] symlink("/dev/binderfs", "./binderfs" [pid 5062] symlink("/dev/binderfs", "./binderfs" [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... unlink resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5061, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5063] <... symlink resumed>) = 0 [pid 5009] getdents64(3, [pid 5007] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5064 attached [pid 5063] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5062] <... symlink resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5064 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... restart_syscall resumed>) = 0 [pid 5064] chdir("./10" [pid 5063] <... openat resumed>) = 3 [pid 5062] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] close(3 [pid 5007] lstat("./7/binderfs", [pid 5064] <... chdir resumed>) = 0 [pid 5063] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5062] <... openat resumed>) = 3 [pid 5009] <... close resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5063] <... mmap resumed>) = 0x20fff000 [pid 5062] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] rmdir("./8" [pid 5007] unlink("./7/binderfs" [pid 5064] <... prctl resumed>) = 0 [pid 5063] exit_group(0 [pid 5009] <... rmdir resumed>) = 0 [pid 5063] <... exit_group resumed>) = ? [pid 5007] <... unlink resumed>) = 0 [pid 5005] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] setpgid(0, 0 [pid 5062] <... mmap resumed>) = 0x20fff000 [pid 5009] mkdir("./9", 0777 [pid 5007] getdents64(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] <... setpgid resumed>) = 0 [pid 5063] +++ exited with 0 +++ [pid 5062] exit_group(0 [pid 5009] <... mkdir resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] <... exit_group resumed>) = ? [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] close(3 [pid 5005] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5065 attached [pid 5064] <... openat resumed>) = 3 [pid 5062] +++ exited with 0 +++ [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5063, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5062, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] <... close resumed>) = 0 [pid 5005] fstat(3, [pid 5064] write(3, "1000", 4 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5065 [pid 5007] rmdir("./7" [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5064] <... write resumed>) = 4 [pid 5006] <... restart_syscall resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5064] close(3 [pid 5005] getdents64(3, [pid 5007] mkdir("./8", 0777 [pid 5064] <... close resumed>) = 0 [pid 5006] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5006] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, 0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] <... mkdir resumed>) = 0 [pid 5006] lstat("./8/binderfs", [pid 5065] chdir("./9" [pid 5064] symlink("/dev/binderfs", "./binderfs" [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... symlink resumed>) = 0 [pid 5008] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] unlink("./8/binderfs" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... unlink resumed>) = 0 [pid 5005] lstat("./7/binderfs", [pid 5008] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] getdents64(3, 0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5006] close(3 [pid 5064] <... openat resumed>) = 3 [pid 5008] fstat(3, [pid 5006] <... close resumed>) = 0 [pid 5005] unlink("./7/binderfs" [pid 5064] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] rmdir("./8" [pid 5008] getdents64(3, [pid 5006] <... rmdir resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] mkdir("./9", 0777 [pid 5005] getdents64(3, [pid 5065] <... chdir resumed>) = 0 [pid 5064] <... mmap resumed>) = 0x20fff000 [pid 5008] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... mkdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5066 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] exit_group(0 [pid 5005] close(3 [pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5067 attached ./strace-static-x86_64: Process 5066 attached ) = 0 [pid 5064] <... exit_group resumed>) = ? [pid 5008] lstat("./8/binderfs", [pid 5005] <... close resumed>) = 0 [pid 5067] chdir("./9" [pid 5066] chdir("./8" [pid 5065] setpgid(0, 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5067 [pid 5066] <... chdir resumed>) = 0 [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5066] setpgid(0, 0) = 0 [pid 5065] <... setpgid resumed>) = 0 [pid 5064] +++ exited with 0 +++ [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] rmdir("./7" [pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5064, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] unlink("./8/binderfs" [pid 5066] <... openat resumed>) = 3 [pid 5005] <... rmdir resumed>) = 0 [pid 5066] write(3, "1000", 4 [pid 5008] <... unlink resumed>) = 0 [pid 5066] <... write resumed>) = 4 [pid 5010] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(3, [pid 5005] mkdir("./8", 0777 [pid 5066] close(3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5066] <... close resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... openat resumed>) = 3 [pid 5008] close(3 [pid 5005] <... mkdir resumed>) = 0 [pid 5066] <... symlink resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5010] fstat(3, [pid 5008] <... close resumed>) = 0 [pid 5066] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5065] write(3, "1000", 4 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] rmdir("./8" [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... chdir resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5065] <... write resumed>) = 4 [pid 5010] getdents64(3, [pid 5066] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] <... rmdir resumed>) = 0 [pid 5066] <... mmap resumed>) = 0x20fff000 [pid 5065] close(3 [pid 5010] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] mkdir("./9", 0777 [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] exit_group(0 [pid 5065] <... close resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... exit_group resumed>) = ? [pid 5010] lstat("./10/binderfs", [pid 5067] <... prctl resumed>) = 0 [pid 5066] +++ exited with 0 +++ [pid 5065] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5068 [pid 5010] unlink("./10/binderfs" [pid 5067] setpgid(0, 0 [pid 5065] <... symlink resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5068 attached [pid 5067] <... setpgid resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] getdents64(3, ./strace-static-x86_64: Process 5069 attached [pid 5068] chdir("./8" [pid 5065] <... openat resumed>) = 3 [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5066, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5068] <... chdir resumed>) = 0 [pid 5065] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] close(3 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5069 [pid 5067] <... openat resumed>) = 3 [pid 5007] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] <... close resumed>) = 0 [pid 5068] <... prctl resumed>) = 0 [pid 5010] rmdir("./10" [pid 5069] chdir("./9" [pid 5068] setpgid(0, 0 [pid 5067] write(3, "1000", 4 [pid 5065] <... mmap resumed>) = 0x20fff000 [pid 5010] <... rmdir resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... setpgid resumed>) = 0 [pid 5067] <... write resumed>) = 4 [pid 5065] exit_group(0 [pid 5010] mkdir("./11", 0777 [pid 5007] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] <... chdir resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] close(3 [pid 5065] <... exit_group resumed>) = ? [pid 5010] <... mkdir resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] <... openat resumed>) = 3 [pid 5067] <... close resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] write(3, "1000", 4 [pid 5007] fstat(3, [pid 5067] symlink("/dev/binderfs", "./binderfs" [pid 5069] <... prctl resumed>) = 0 [pid 5068] <... write resumed>) = 4 [pid 5065] +++ exited with 0 +++ [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5070 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] setpgid(0, 0 [pid 5068] close(3 [pid 5067] <... symlink resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5065, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] getdents64(3, [pid 5069] <... setpgid resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5068] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5068] <... symlink resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5007] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5067] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5070 attached [pid 5068] <... openat resumed>) = 3 [pid 5070] chdir("./11" [pid 5068] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5070] <... chdir resumed>) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5068] <... mmap resumed>) = 0x20fff000 [pid 5067] <... mmap resumed>) = 0x20fff000 [pid 5007] lstat("./8/binderfs", [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] write(3, "1000", 4 [pid 5068] exit_group(0 [pid 5067] exit_group(0 [pid 5070] <... prctl resumed>) = 0 [pid 5069] <... write resumed>) = 4 [pid 5068] <... exit_group resumed>) = ? [pid 5067] <... exit_group resumed>) = ? [pid 5009] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] setpgid(0, 0 [pid 5069] close(3 [pid 5068] +++ exited with 0 +++ [pid 5070] <... setpgid resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1000", 4 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] unlink("./8/binderfs" [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5068, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] <... write resumed>) = 4 [pid 5069] <... close resumed>) = 0 [pid 5067] +++ exited with 0 +++ [pid 5009] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] close(3 [pid 5007] <... unlink resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... openat resumed>) = 3 [pid 5007] getdents64(3, [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5067, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5070] symlink("/dev/binderfs", "./binderfs" [pid 5009] fstat(3, [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5070] <... symlink resumed>) = 0 [pid 5069] <... symlink resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] close(3 [pid 5070] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5069] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] getdents64(3, [pid 5005] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... openat resumed>) = 3 [pid 5069] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5070] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5069] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] rmdir("./8" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... mmap resumed>) = 0x20fff000 [pid 5069] <... mmap resumed>) = 0x20fff000 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] exit_group(0 [pid 5069] exit_group(0 [pid 5009] lstat("./9/binderfs", [pid 5007] <... rmdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] <... exit_group resumed>) = ? [pid 5069] <... exit_group resumed>) = ? [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] +++ exited with 0 +++ [pid 5009] unlink("./9/binderfs" [pid 5007] mkdir("./9", 0777 [pid 5006] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... openat resumed>) = 3 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5070, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5009] <... unlink resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(3, [pid 5010] <... restart_syscall resumed>) = 0 [pid 5009] getdents64(3, [pid 5007] <... mkdir resumed>) = 0 [pid 5006] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] +++ exited with 0 +++ [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] close(3 [pid 5006] <... openat resumed>) = 3 [pid 5010] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(3, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... openat resumed>) = 3 [pid 5009] <... close resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5069, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] fstat(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] fstat(3, [pid 5009] rmdir("./9" [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5071 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] lstat("./8/binderfs", [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] getdents64(3, [pid 5009] <... rmdir resumed>) = 0 [pid 5005] unlink("./8/binderfs" [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] mkdir("./10", 0777 [pid 5006] getdents64(3, [pid 5005] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5071 attached [pid 5010] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(3, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] lstat("./11/binderfs", [pid 5009] <... mkdir resumed>) = 0 [pid 5008] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] close(3 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] <... close resumed>) = 0 [pid 5071] chdir("./9" [pid 5010] unlink("./11/binderfs" [pid 5005] rmdir("./8" [pid 5010] <... unlink resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... rmdir resumed>) = 0 [pid 5071] <... chdir resumed>) = 0 [pid 5010] getdents64(3, [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5072 [pid 5008] <... openat resumed>) = 3 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] mkdir("./9", 0777./strace-static-x86_64: Process 5072 attached [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] fstat(3, [pid 5006] lstat("./9/binderfs", [pid 5005] <... mkdir resumed>) = 0 [pid 5071] <... prctl resumed>) = 0 [pid 5010] close(3 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5073 attached [pid 5072] chdir("./10" [pid 5071] setpgid(0, 0 [pid 5010] <... close resumed>) = 0 [pid 5008] getdents64(3, [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] rmdir("./11" [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5073 [pid 5073] chdir("./9" [pid 5072] <... chdir resumed>) = 0 [pid 5071] <... setpgid resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] unlink("./9/binderfs" [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] mkdir("./12", 0777 [pid 5008] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... openat resumed>) = 3 [pid 5010] <... mkdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... unlink resumed>) = 0 [pid 5072] <... prctl resumed>) = 0 [pid 5071] write(3, "1000", 4 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] lstat("./9/binderfs", [pid 5006] getdents64(3, [pid 5073] <... chdir resumed>) = 0 [pid 5072] setpgid(0, 0 [pid 5071] <... write resumed>) = 4 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5074 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5072] <... setpgid resumed>) = 0 [pid 5071] close(3 [pid 5008] unlink("./9/binderfs" [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5074 attached [pid 5071] <... close resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] symlink("/dev/binderfs", "./binderfs" [pid 5006] close(3 [pid 5074] chdir("./12" [pid 5008] <... unlink resumed>) = 0 [pid 5074] <... chdir resumed>) = 0 [pid 5071] <... symlink resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5072] <... openat resumed>) = 3 [pid 5074] <... prctl resumed>) = 0 [pid 5072] write(3, "1000", 4 [pid 5071] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] getdents64(3, [pid 5006] rmdir("./9" [pid 5074] setpgid(0, 0) = 0 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5006] <... rmdir resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5072] <... write resumed>) = 4 [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... openat resumed>) = 3 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] mkdir("./10", 0777 [pid 5074] write(3, "1000", 4 [pid 5073] <... prctl resumed>) = 0 [pid 5072] close(3 [pid 5071] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] close(3 [pid 5074] <... write resumed>) = 4 [pid 5006] <... mkdir resumed>) = 0 [pid 5074] close(3 [pid 5072] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5074] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5074] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5074] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5073] setpgid(0, 0 [pid 5072] symlink("/dev/binderfs", "./binderfs" [pid 5071] <... mmap resumed>) = 0x20fff000 [pid 5008] rmdir("./9" [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... mmap resumed>) = 0x20fff000 [pid 5073] <... setpgid resumed>) = 0 [pid 5072] <... symlink resumed>) = 0 [pid 5071] exit_group(0 [pid 5074] exit_group(0 [pid 5008] <... rmdir resumed>) = 0 [pid 5074] <... exit_group resumed>) = ? [pid 5072] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5074] +++ exited with 0 +++ [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... exit_group resumed>) = ? [pid 5008] mkdir("./10", 0777 [pid 5072] <... openat resumed>) = 3 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5072] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5075 [pid 5010] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5075 attached [pid 5010] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... mmap resumed>) = 0x20fff000 [pid 5010] <... openat resumed>) = 3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] chdir("./10" [pid 5010] fstat(3, [pid 5075] <... chdir resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] getdents64(3, [pid 5075] <... prctl resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5075] setpgid(0, 0 [pid 5072] exit_group(0 [pid 5010] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... setpgid resumed>) = 0 [pid 5072] <... exit_group resumed>) = ? [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... openat resumed>) = 3 [pid 5010] lstat("./12/binderfs", [pid 5075] <... openat resumed>) = 3 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5076 [pid 5073] write(3, "1000", 4 [pid 5075] write(3, "1000", 4 [pid 5010] unlink("./12/binderfs" [pid 5073] <... write resumed>) = 4 [pid 5075] <... write resumed>) = 4 [pid 5072] +++ exited with 0 +++ [pid 5010] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5076 attached [pid 5075] close(3 [pid 5073] close(3 [pid 5010] getdents64(3, [pid 5076] chdir("./10" [pid 5075] <... close resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5071] +++ exited with 0 +++ [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] <... chdir resumed>) = 0 [pid 5075] symlink("/dev/binderfs", "./binderfs" [pid 5073] symlink("/dev/binderfs", "./binderfs" [pid 5010] close(3 [pid 5009] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] <... symlink resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... prctl resumed>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] rmdir("./12" [pid 5009] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] setpgid(0, 0 [pid 5075] <... openat resumed>) = 3 [pid 5073] <... symlink resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5076] <... setpgid resumed>) = 0 [pid 5075] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5073] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... rmdir resumed>) = 0 [pid 5009] fstat(3, [pid 5007] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... openat resumed>) = 3 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... mmap resumed>) = 0x20fff000 [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] mkdir("./13", 0777 [pid 5009] getdents64(3, [pid 5007] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... openat resumed>) = 3 [pid 5075] exit_group(0 [pid 5073] <... mmap resumed>) = 0x20fff000 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... openat resumed>) = 3 [pid 5076] write(3, "1000", 4 [pid 5075] <... exit_group resumed>) = ? [pid 5073] exit_group(0 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] fstat(3, [pid 5076] <... write resumed>) = 4 [pid 5073] <... exit_group resumed>) = ? [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] close(3 [pid 5075] +++ exited with 0 +++ [pid 5073] +++ exited with 0 +++ [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] lstat("./10/binderfs", [pid 5007] getdents64(3, [pid 5076] <... close resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] unlink("./10/binderfs" [pid 5007] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... unlink resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5077 attached [pid 5076] <... symlink resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5077 [pid 5009] getdents64(3, [pid 5007] lstat("./9/binderfs", [pid 5006] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] close(3 [pid 5007] unlink("./9/binderfs" [pid 5076] <... openat resumed>) = 3 [pid 5006] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... close resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5006] <... openat resumed>) = 3 [pid 5009] rmdir("./10" [pid 5007] getdents64(3, [pid 5006] fstat(3, [pid 5076] <... mmap resumed>) = 0x20fff000 [pid 5009] <... rmdir resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] chdir("./13" [pid 5076] exit_group(0 [pid 5009] mkdir("./11", 0777 [pid 5007] close(3 [pid 5006] getdents64(3, [pid 5077] <... chdir resumed>) = 0 [pid 5076] <... exit_group resumed>) = ? [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... mkdir resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5077] <... prctl resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] rmdir("./9" [pid 5006] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] +++ exited with 0 +++ [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./10/binderfs", [pid 5005] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5078 [pid 5077] setpgid(0, 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] <... rmdir resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5077] <... setpgid resumed>) = 0 [pid 5007] mkdir("./10", 0777 [pid 5006] unlink("./10/binderfs" [pid 5005] fstat(3, [pid 5006] <... unlink resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, [pid 5005] getdents64(3, [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 5078 attached [pid 5007] <... mkdir resumed>) = 0 [pid 5008] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] close(3 [pid 5005] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] chdir("./11" [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... close resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... chdir resumed>) = 0 [pid 5006] rmdir("./10" [pid 5005] lstat("./9/binderfs", [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... rmdir resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] <... prctl resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5079 [pid 5006] mkdir("./11", 0777 [pid 5005] unlink("./9/binderfs"./strace-static-x86_64: Process 5079 attached [pid 5078] setpgid(0, 0 [pid 5077] write(3, "1000", 4 [pid 5008] fstat(3, [pid 5006] <... mkdir resumed>) = 0 [pid 5079] chdir("./10" [pid 5078] <... setpgid resumed>) = 0 [pid 5077] <... write resumed>) = 4 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... unlink resumed>) = 0 [pid 5079] <... chdir resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] close(3 [pid 5008] getdents64(3, [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5077] <... close resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5079] <... prctl resumed>) = 0 [pid 5077] symlink("/dev/binderfs", "./binderfs" [pid 5008] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] setpgid(0, 0 [pid 5078] <... openat resumed>) = 3 [pid 5077] <... symlink resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] getdents64(3, [pid 5079] <... setpgid resumed>) = 0 [pid 5078] write(3, "1000", 4 [pid 5077] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] lstat("./10/binderfs", [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5080 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5080 attached [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] <... write resumed>) = 4 [pid 5077] <... openat resumed>) = 3 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] close(3 [pid 5079] <... openat resumed>) = 3 [pid 5078] close(3 [pid 5077] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] unlink("./10/binderfs" [pid 5080] chdir("./11" [pid 5079] write(3, "1000", 4 [pid 5078] <... close resumed>) = 0 [pid 5077] <... mmap resumed>) = 0x20fff000 [pid 5008] <... unlink resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5080] <... chdir resumed>) = 0 [pid 5079] <... write resumed>) = 4 [pid 5078] symlink("/dev/binderfs", "./binderfs" [pid 5077] exit_group(0 [pid 5008] getdents64(3, [pid 5005] rmdir("./9" [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] close(3 [pid 5078] <... symlink resumed>) = 0 [pid 5077] <... exit_group resumed>) = ? [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5080] <... prctl resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5005] mkdir("./10", 0777 [pid 5080] setpgid(0, 0 [pid 5079] symlink("/dev/binderfs", "./binderfs" [pid 5078] <... openat resumed>) = 3 [pid 5077] +++ exited with 0 +++ [pid 5008] close(3 [pid 5005] <... mkdir resumed>) = 0 [pid 5080] <... setpgid resumed>) = 0 [pid 5079] <... symlink resumed>) = 0 [pid 5078] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5081 attached [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5078] <... mmap resumed>) = 0x20fff000 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] rmdir("./10" [pid 5080] <... openat resumed>) = 3 [pid 5079] <... openat resumed>) = 3 [pid 5078] exit_group(0 [pid 5010] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5081 [pid 5081] chdir("./10" [pid 5080] write(3, "1000", 4 [pid 5079] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5078] <... exit_group resumed>) = ? [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... rmdir resumed>) = 0 [pid 5080] <... write resumed>) = 4 [pid 5079] <... mmap resumed>) = 0x20fff000 [pid 5010] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5078] +++ exited with 0 +++ [pid 5010] fstat(3, [pid 5081] <... chdir resumed>) = 0 [pid 5080] close(3 [pid 5079] exit_group(0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] mkdir("./11", 0777 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5080] <... close resumed>) = 0 [pid 5079] <... exit_group resumed>) = ? [pid 5010] getdents64(3, [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] <... restart_syscall resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5080] symlink("/dev/binderfs", "./binderfs" [pid 5079] +++ exited with 0 +++ [pid 5081] <... prctl resumed>) = 0 [pid 5010] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] setpgid(0, 0 [pid 5080] <... symlink resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5081] <... setpgid resumed>) = 0 [pid 5080] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] lstat("./13/binderfs", [pid 5009] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] <... openat resumed>) = 3 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] unlink("./13/binderfs" [pid 5009] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5082 [pid 5007] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... unlink resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5080] <... mmap resumed>) = 0x20fff000 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... openat resumed>) = 3 [pid 5010] getdents64(3, [pid 5009] fstat(3, [pid 5007] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5081] write(3, "1000", 4 [pid 5080] exit_group(0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5082 attached [pid 5081] <... write resumed>) = 4 [pid 5080] <... exit_group resumed>) = ? [pid 5010] close(3 [pid 5009] getdents64(3, [pid 5007] fstat(3, [pid 5082] chdir("./11" [pid 5010] <... close resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5082] <... chdir resumed>) = 0 [pid 5010] rmdir("./13" [pid 5009] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5081] close(3 [pid 5080] +++ exited with 0 +++ [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5082] <... prctl resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 5010] mkdir("./14", 0777 [pid 5009] lstat("./11/binderfs", [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5082] setpgid(0, 0 [pid 5081] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5080, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5082] <... setpgid resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] unlink("./11/binderfs" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5081] <... symlink resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5007] lstat("./10/binderfs", [pid 5006] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5083 attached [pid 5082] <... openat resumed>) = 3 [pid 5081] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5083 [pid 5009] getdents64(3, [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5082] write(3, "1000", 4 [pid 5081] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] unlink("./10/binderfs" [pid 5082] <... write resumed>) = 4 [pid 5081] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] close(3 [pid 5082] close(3 [pid 5009] <... close resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 5009] rmdir("./11" [pid 5082] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... rmdir resumed>) = 0 [pid 5082] <... symlink resumed>) = 0 [pid 5081] <... mmap resumed>) = 0x20fff000 [pid 5009] mkdir("./12", 0777 [pid 5006] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] getdents64(3, [pid 5082] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5081] exit_group(0 [pid 5009] <... mkdir resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] chdir("./14" [pid 5082] <... openat resumed>) = 3 [pid 5081] <... exit_group resumed>) = ? [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] close(3 [pid 5006] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5082] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] <... close resumed>) = 0 [pid 5083] <... chdir resumed>) = 0 [pid 5082] <... mmap resumed>) = 0x20fff000 [pid 5081] +++ exited with 0 +++ [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5084 [pid 5007] rmdir("./10" [pid 5006] <... openat resumed>) = 3 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] exit_group(0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5082] <... exit_group resumed>) = ? [pid 5007] <... rmdir resumed>) = 0 [pid 5006] fstat(3, [pid 5083] <... prctl resumed>) = 0 [pid 5082] +++ exited with 0 +++ [pid 5007] mkdir("./11", 0777 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5084 attached [pid 5083] setpgid(0, 0 [pid 5005] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5083] <... setpgid resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] <... mkdir resumed>) = 0 [pid 5006] getdents64(3, [pid 5005] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5084] chdir("./12" [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] <... openat resumed>) = 3 [pid 5084] <... chdir resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(3, ./strace-static-x86_64: Process 5085 attached [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5083] write(3, "1000", 4 [pid 5008] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5084] <... prctl resumed>) = 0 [pid 5083] <... write resumed>) = 4 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5085 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] getdents64(3, [pid 5085] chdir("./11" [pid 5084] setpgid(0, 0 [pid 5083] close(3 [pid 5008] fstat(3, [pid 5006] lstat("./11/binderfs", [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5085] <... chdir resumed>) = 0 [pid 5084] <... setpgid resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] symlink("/dev/binderfs", "./binderfs" [pid 5008] getdents64(3, [pid 5006] unlink("./11/binderfs" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5085] <... prctl resumed>) = 0 [pid 5084] <... openat resumed>) = 3 [pid 5083] <... symlink resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... unlink resumed>) = 0 [pid 5005] lstat("./10/binderfs", [pid 5085] setpgid(0, 0 [pid 5084] write(3, "1000", 4 [pid 5083] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] getdents64(3, [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5085] <... setpgid resumed>) = 0 [pid 5084] <... write resumed>) = 4 [pid 5083] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] unlink("./10/binderfs" [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5084] close(3 [pid 5083] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] lstat("./11/binderfs", [pid 5006] close(3 [pid 5085] <... openat resumed>) = 3 [pid 5084] <... close resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... close resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5085] write(3, "1000", 4 [pid 5084] symlink("/dev/binderfs", "./binderfs" [pid 5083] <... mmap resumed>) = 0x20fff000 [pid 5008] unlink("./11/binderfs" [pid 5006] rmdir("./11" [pid 5005] getdents64(3, [pid 5085] <... write resumed>) = 4 [pid 5084] <... symlink resumed>) = 0 [pid 5083] exit_group(0 [pid 5008] <... unlink resumed>) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5085] close(3 [pid 5084] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5083] <... exit_group resumed>) = ? [pid 5008] getdents64(3, [pid 5006] mkdir("./12", 0777 [pid 5005] close(3 [pid 5085] <... close resumed>) = 0 [pid 5084] <... openat resumed>) = 3 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5085] symlink("/dev/binderfs", "./binderfs" [pid 5008] close(3 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5085] <... symlink resumed>) = 0 [pid 5084] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5083] +++ exited with 0 +++ [pid 5008] <... close resumed>) = 0 [pid 5005] <... close resumed>) = 0 ./strace-static-x86_64: Process 5086 attached [pid 5085] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5084] <... mmap resumed>) = 0x20fff000 [pid 5008] rmdir("./11" [pid 5005] rmdir("./10" [pid 5086] chdir("./12" [pid 5085] <... openat resumed>) = 3 [pid 5084] exit_group(0 [pid 5008] <... rmdir resumed>) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5086 [pid 5086] <... chdir resumed>) = 0 [pid 5085] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5084] <... exit_group resumed>) = ? [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] mkdir("./12", 0777 [pid 5005] <... rmdir resumed>) = 0 [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] <... mmap resumed>) = 0x20fff000 [pid 5084] +++ exited with 0 +++ [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5008] <... mkdir resumed>) = 0 [pid 5005] mkdir("./11", 0777 [pid 5086] <... prctl resumed>) = 0 [pid 5085] exit_group(0 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5084, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5086] setpgid(0, 0 [pid 5085] <... exit_group resumed>) = ? [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5005] <... mkdir resumed>) = 0 [pid 5009] <... restart_syscall resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5088 [pid 5086] <... setpgid resumed>) = 0 [pid 5085] +++ exited with 0 +++ [pid 5010] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5087 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... openat resumed>) = 3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] fstat(3, [pid 5009] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5087 attached [pid 5086] <... openat resumed>) = 3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5085, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5088 attached [pid 5087] chdir("./12" [pid 5086] write(3, "1000", 4 [pid 5010] getdents64(3, [pid 5009] fstat(3, [pid 5007] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5088] chdir("./11" [pid 5087] <... chdir resumed>) = 0 [pid 5086] <... write resumed>) = 4 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5086] close(3 [pid 5088] <... chdir resumed>) = 0 [pid 5010] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] getdents64(3, [pid 5007] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5087] <... prctl resumed>) = 0 [pid 5086] <... close resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... openat resumed>) = 3 [pid 5088] <... prctl resumed>) = 0 [pid 5087] setpgid(0, 0 [pid 5086] symlink("/dev/binderfs", "./binderfs" [pid 5010] lstat("./14/binderfs", [pid 5009] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] fstat(3, [pid 5088] setpgid(0, 0 [pid 5087] <... setpgid resumed>) = 0 [pid 5086] <... symlink resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5088] <... setpgid resumed>) = 0 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5086] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] unlink("./14/binderfs" [pid 5009] lstat("./12/binderfs", [pid 5007] getdents64(3, [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5087] <... openat resumed>) = 3 [pid 5086] <... openat resumed>) = 3 [pid 5010] <... unlink resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5087] write(3, "1000", 4 [pid 5086] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] getdents64(3, [pid 5009] unlink("./12/binderfs" [pid 5088] <... openat resumed>) = 3 [pid 5007] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5088] write(3, "1000", 4 [pid 5087] <... write resumed>) = 4 [pid 5086] <... mmap resumed>) = 0x20fff000 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5088] <... write resumed>) = 4 [pid 5087] close(3 [pid 5086] exit_group(0 [pid 5010] close(3 [pid 5009] getdents64(3, [pid 5007] lstat("./11/binderfs", [pid 5088] close(3 [pid 5087] <... close resumed>) = 0 [pid 5086] <... exit_group resumed>) = ? [pid 5010] <... close resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5088] <... close resumed>) = 0 [pid 5087] symlink("/dev/binderfs", "./binderfs" [pid 5010] rmdir("./14" [pid 5009] close(3 [pid 5086] +++ exited with 0 +++ [pid 5007] unlink("./11/binderfs" [pid 5088] symlink("/dev/binderfs", "./binderfs" [pid 5087] <... symlink resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5088] <... symlink resumed>) = 0 [pid 5087] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5007] getdents64(3, [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5088] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] mkdir("./15", 0777 [pid 5009] rmdir("./12" [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5088] <... openat resumed>) = 3 [pid 5087] <... openat resumed>) = 3 [pid 5007] close(3 [pid 5006] <... restart_syscall resumed>) = 0 [pid 5088] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5088] <... mmap resumed>) = 0x20fff000 [pid 5087] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... rmdir resumed>) = 0 [pid 5007] rmdir("./11" [pid 5088] exit_group(0 [pid 5087] <... mmap resumed>) = 0x20fff000 [pid 5007] <... rmdir resumed>) = 0 [pid 5088] <... exit_group resumed>) = ? [pid 5007] mkdir("./12", 0777 [pid 5006] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5089 attached [pid 5087] exit_group(0 [pid 5009] mkdir("./13", 0777 [pid 5089] chdir("./15" [pid 5088] +++ exited with 0 +++ [pid 5087] <... exit_group resumed>) = ? [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5089 [pid 5007] <... mkdir resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... mkdir resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5090 [pid 5006] fstat(3, [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5087] +++ exited with 0 +++ [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] getdents64(3, [pid 5089] <... chdir resumed>) = 0 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5091 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5006] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5089] <... prctl resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5089] setpgid(0, 0 [pid 5006] lstat("./12/binderfs", [pid 5089] <... setpgid resumed>) = 0 [pid 5008] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5091 attached [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] unlink("./12/binderfs" [pid 5005] fstat(3, [pid 5091] chdir("./13" [pid 5089] <... openat resumed>) = 3 [pid 5008] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... unlink resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5090 attached [pid 5091] <... chdir resumed>) = 0 [pid 5089] write(3, "1000", 4 [pid 5008] <... openat resumed>) = 3 [pid 5006] getdents64(3, [pid 5005] getdents64(3, [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5089] <... write resumed>) = 4 [pid 5008] fstat(3, [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5091] <... prctl resumed>) = 0 [pid 5090] chdir("./12" [pid 5089] close(3 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] close(3 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5091] setpgid(0, 0 [pid 5090] <... chdir resumed>) = 0 [pid 5089] <... close resumed>) = 0 [pid 5008] getdents64(3, [pid 5006] <... close resumed>) = 0 [pid 5005] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5091] <... setpgid resumed>) = 0 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5089] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] rmdir("./12" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5090] <... prctl resumed>) = 0 [pid 5089] <... symlink resumed>) = 0 [pid 5008] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... rmdir resumed>) = 0 [pid 5005] lstat("./11/binderfs", [pid 5091] <... openat resumed>) = 3 [pid 5090] setpgid(0, 0 [pid 5089] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] mkdir("./13", 0777 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5091] write(3, "1000", 4 [pid 5090] <... setpgid resumed>) = 0 [pid 5089] <... openat resumed>) = 3 [pid 5008] lstat("./12/binderfs", [pid 5005] unlink("./11/binderfs" [pid 5091] <... write resumed>) = 4 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5089] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5091] close(3 [pid 5008] unlink("./12/binderfs" [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... unlink resumed>) = 0 [pid 5091] <... close resumed>) = 0 [pid 5090] <... openat resumed>) = 3 [pid 5089] <... mmap resumed>) = 0x20fff000 [pid 5005] getdents64(3, [pid 5090] write(3, "1000", 4 [pid 5089] exit_group(0 [pid 5008] <... unlink resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5091] symlink("/dev/binderfs", "./binderfs" [pid 5090] <... write resumed>) = 4 [pid 5089] <... exit_group resumed>) = ? [pid 5008] getdents64(3, [pid 5005] close(3./strace-static-x86_64: Process 5092 attached [pid 5091] <... symlink resumed>) = 0 [pid 5090] close(3 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5092 [pid 5005] <... close resumed>) = 0 [pid 5091] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5090] <... close resumed>) = 0 [pid 5089] +++ exited with 0 +++ [pid 5008] close(3 [pid 5005] rmdir("./11" [pid 5092] chdir("./13" [pid 5091] <... openat resumed>) = 3 [pid 5090] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... close resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5092] <... chdir resumed>) = 0 [pid 5091] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5089, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] rmdir("./12" [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... symlink resumed>) = 0 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5005] mkdir("./12", 0777 [pid 5092] <... prctl resumed>) = 0 [pid 5091] <... mmap resumed>) = 0x20fff000 [pid 5090] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... restart_syscall resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5091] exit_group(0 [pid 5008] mkdir("./13", 0777 [pid 5005] <... mkdir resumed>) = 0 [pid 5092] setpgid(0, 0 [pid 5091] <... exit_group resumed>) = ? [pid 5090] <... openat resumed>) = 3 [pid 5008] <... mkdir resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5092] <... setpgid resumed>) = 0 [pid 5091] +++ exited with 0 +++ [pid 5090] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5090] <... mmap resumed>) = 0x20fff000 [pid 5010] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5090] exit_group(0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5094 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5093 [pid 5090] <... exit_group resumed>) = ? [pid 5010] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5010] <... openat resumed>) = 3 [pid 5010] fstat(3, [pid 5009] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5093 attached [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5094 attached [pid 5092] <... openat resumed>) = 3 [pid 5090] +++ exited with 0 +++ [pid 5010] getdents64(3, [pid 5009] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5094] chdir("./13" [pid 5093] chdir("./12" [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5094] <... chdir resumed>) = 0 [pid 5010] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5093] <... chdir resumed>) = 0 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5092] write(3, "1000", 4 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... openat resumed>) = 3 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5094] <... prctl resumed>) = 0 [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] lstat("./15/binderfs", [pid 5009] fstat(3, [pid 5092] <... write resumed>) = 4 [pid 5007] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5094] setpgid(0, 0 [pid 5093] <... prctl resumed>) = 0 [pid 5092] close(3 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5094] <... setpgid resumed>) = 0 [pid 5093] setpgid(0, 0 [pid 5092] <... close resumed>) = 0 [pid 5010] unlink("./15/binderfs" [pid 5009] getdents64(3, [pid 5007] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5093] <... setpgid resumed>) = 0 [pid 5092] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... unlink resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5094] <... openat resumed>) = 3 [pid 5010] getdents64(3, [pid 5009] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... openat resumed>) = 3 [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] fstat(3, [pid 5092] <... symlink resumed>) = 0 [pid 5010] close(3 [pid 5009] lstat("./13/binderfs", [pid 5094] write(3, "1000", 4 [pid 5093] <... openat resumed>) = 3 [pid 5092] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... close resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5094] <... write resumed>) = 4 [pid 5093] write(3, "1000", 4 [pid 5092] <... openat resumed>) = 3 [pid 5010] rmdir("./15" [pid 5009] unlink("./13/binderfs" [pid 5007] getdents64(3, [pid 5094] close(3 [pid 5093] <... write resumed>) = 4 [pid 5092] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5094] <... close resumed>) = 0 [pid 5093] close(3 [pid 5010] mkdir("./16", 0777 [pid 5009] getdents64(3, [pid 5007] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5094] symlink("/dev/binderfs", "./binderfs" [pid 5093] <... close resumed>) = 0 [pid 5092] <... mmap resumed>) = 0x20fff000 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5094] <... symlink resumed>) = 0 [pid 5093] symlink("/dev/binderfs", "./binderfs" [pid 5092] exit_group(0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] close(3 [pid 5007] lstat("./12/binderfs", ./strace-static-x86_64: Process 5095 attached [pid 5094] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5093] <... symlink resumed>) = 0 [pid 5092] <... exit_group resumed>) = ? [pid 5009] <... close resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5094] <... openat resumed>) = 3 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5095 [pid 5009] rmdir("./13" [pid 5094] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5093] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... rmdir resumed>) = 0 [pid 5007] unlink("./12/binderfs" [pid 5009] mkdir("./14", 0777 [pid 5092] +++ exited with 0 +++ [pid 5009] <... mkdir resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5093] <... openat resumed>) = 3 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] chdir("./16" [pid 5094] <... mmap resumed>) = 0x20fff000 [pid 5093] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] getdents64(3, [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] <... chdir resumed>) = 0 [pid 5094] exit_group(0./strace-static-x86_64: Process 5096 attached [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5094] <... exit_group resumed>) = ? [pid 5093] <... mmap resumed>) = 0x20fff000 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5096 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5096] chdir("./14" [pid 5095] <... prctl resumed>) = 0 [pid 5093] exit_group(0) = ? [pid 5094] +++ exited with 0 +++ [pid 5096] <... chdir resumed>) = 0 [pid 5095] setpgid(0, 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] close(3 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5095] <... setpgid resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5096] <... prctl resumed>) = 0 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5093] +++ exited with 0 +++ [pid 5007] rmdir("./12" [pid 5095] <... openat resumed>) = 3 [pid 5008] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5096] setpgid(0, 0 [pid 5095] write(3, "1000", 4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... rmdir resumed>) = 0 [pid 5096] <... setpgid resumed>) = 0 [pid 5095] <... write resumed>) = 4 [pid 5008] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] mkdir("./13", 0777 [pid 5006] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5095] close(3 [pid 5008] <... openat resumed>) = 3 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5007] <... mkdir resumed>) = 0 [pid 5095] <... close resumed>) = 0 [pid 5008] fstat(3, [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... restart_syscall resumed>) = 0 [pid 5096] <... openat resumed>) = 3 [pid 5095] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5097 attached [pid 5096] write(3, "1000", 4 [pid 5095] <... symlink resumed>) = 0 [pid 5008] getdents64(3, [pid 5006] <... openat resumed>) = 3 [pid 5096] <... write resumed>) = 4 [pid 5095] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5097 [pid 5006] fstat(3, [pid 5097] chdir("./13" [pid 5096] close(3 [pid 5095] <... openat resumed>) = 3 [pid 5008] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5097] <... chdir resumed>) = 0 [pid 5096] <... close resumed>) = 0 [pid 5095] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] getdents64(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] symlink("/dev/binderfs", "./binderfs" [pid 5095] <... mmap resumed>) = 0x20fff000 [pid 5008] lstat("./13/binderfs", [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5097] <... prctl resumed>) = 0 [pid 5096] <... symlink resumed>) = 0 [pid 5095] exit_group(0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5097] setpgid(0, 0 [pid 5096] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5095] <... exit_group resumed>) = ? [pid 5008] unlink("./13/binderfs" [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... openat resumed>) = 3 [pid 5097] <... setpgid resumed>) = 0 [pid 5096] <... openat resumed>) = 3 [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5097] write(3, "1000", 4) = 4 [pid 5095] +++ exited with 0 +++ [pid 5097] close(3 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5097] <... close resumed>) = 0 [pid 5096] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5008] <... unlink resumed>) = 0 [pid 5006] lstat("./13/binderfs", [pid 5005] fstat(3, [pid 5097] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... restart_syscall resumed>) = 0 [pid 5097] <... symlink resumed>) = 0 [pid 5096] <... mmap resumed>) = 0x20fff000 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] getdents64(3, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5097] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5096] exit_group(0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] unlink("./13/binderfs" [pid 5005] getdents64(3, [pid 5097] <... openat resumed>) = 3 [pid 5096] <... exit_group resumed>) = ? [pid 5010] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(3 [pid 5006] <... unlink resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5097] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5096] +++ exited with 0 +++ [pid 5008] <... close resumed>) = 0 [pid 5006] getdents64(3, [pid 5005] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5097] <... mmap resumed>) = 0x20fff000 [pid 5010] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] rmdir("./13" [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5097] exit_group(0 [pid 5010] <... openat resumed>) = 3 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... rmdir resumed>) = 0 [pid 5006] close(3 [pid 5005] lstat("./12/binderfs", [pid 5097] <... exit_group resumed>) = ? [pid 5010] fstat(3, [pid 5009] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] mkdir("./14", 0777 [pid 5006] <... close resumed>) = 0 [pid 5097] +++ exited with 0 +++ [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... mkdir resumed>) = 0 [pid 5006] rmdir("./13" [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] getdents64(3, [pid 5009] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] <... openat resumed>) = 3 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] unlink("./12/binderfs" [pid 5010] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] fstat(3, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] lstat("./16/binderfs", [pid 5009] getdents64(3, [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5098 [pid 5006] mkdir("./14", 0777 [pid 5005] <... unlink resumed>) = 0 [pid 5010] unlink("./16/binderfs" [pid 5009] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(3, [pid 5010] <... unlink resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] getdents64(3, [pid 5009] lstat("./14/binderfs", [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] close(3 [pid 5009] unlink("./14/binderfs" [pid 5010] <... close resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5007] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... mkdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5098 attached [pid 5010] rmdir("./16" [pid 5009] getdents64(3, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] close(3 [pid 5098] chdir("./14" [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5098] <... chdir resumed>) = 0 [pid 5010] mkdir("./17", 0777 [pid 5009] close(3 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5005] <... close resumed>) = 0 [pid 5098] <... prctl resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] rmdir("./14" [pid 5007] fstat(3, [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5099 [pid 5005] rmdir("./12"./strace-static-x86_64: Process 5100 attached ./strace-static-x86_64: Process 5099 attached [pid 5098] setpgid(0, 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5100] chdir("./17" [pid 5098] <... setpgid resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5100 [pid 5009] mkdir("./15", 0777 [pid 5007] getdents64(3, [pid 5005] <... rmdir resumed>) = 0 [pid 5100] <... chdir resumed>) = 0 [pid 5099] chdir("./14" [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... mkdir resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5099] <... chdir resumed>) = 0 [pid 5098] <... openat resumed>) = 3 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] mkdir("./13", 0777 [pid 5100] <... prctl resumed>) = 0 [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5098] write(3, "1000", 4 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5100] setpgid(0, 0 [pid 5098] <... write resumed>) = 4 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5101 [pid 5005] <... mkdir resumed>) = 0 [pid 5100] <... setpgid resumed>) = 0 [pid 5099] <... prctl resumed>) = 0 [pid 5098] close(3 [pid 5007] lstat("./13/binderfs", [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5101 attached [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] setpgid(0, 0 [pid 5098] <... close resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5100] <... openat resumed>) = 3 [pid 5098] symlink("/dev/binderfs", "./binderfs" [pid 5100] write(3, "1000", 4 [pid 5099] <... setpgid resumed>) = 0 [pid 5098] <... symlink resumed>) = 0 [pid 5007] unlink("./13/binderfs" [pid 5101] chdir("./15" [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5102 [pid 5100] <... write resumed>) = 4 [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5098] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5100] close(3 [pid 5099] <... openat resumed>) = 3 [pid 5098] <... openat resumed>) = 3 [pid 5007] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5102 attached [pid 5101] <... chdir resumed>) = 0 [pid 5100] <... close resumed>) = 0 [pid 5099] write(3, "1000", 4 [pid 5098] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] getdents64(3, [pid 5102] chdir("./13" [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] symlink("/dev/binderfs", "./binderfs" [pid 5099] <... write resumed>) = 4 [pid 5098] <... mmap resumed>) = 0x20fff000 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5102] <... chdir resumed>) = 0 [pid 5101] <... prctl resumed>) = 0 [pid 5100] <... symlink resumed>) = 0 [pid 5099] close(3 [pid 5098] exit_group(0 [pid 5007] close(3 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5101] setpgid(0, 0 [pid 5100] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5099] <... close resumed>) = 0 [pid 5098] <... exit_group resumed>) = ? [pid 5007] <... close resumed>) = 0 [pid 5102] <... prctl resumed>) = 0 [pid 5101] <... setpgid resumed>) = 0 [pid 5100] <... openat resumed>) = 3 [pid 5099] symlink("/dev/binderfs", "./binderfs" [pid 5007] rmdir("./13" [pid 5102] setpgid(0, 0 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5099] <... symlink resumed>) = 0 [pid 5098] +++ exited with 0 +++ [pid 5007] <... rmdir resumed>) = 0 [pid 5102] <... setpgid resumed>) = 0 [pid 5101] <... openat resumed>) = 3 [pid 5100] <... mmap resumed>) = 0x20fff000 [pid 5099] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] mkdir("./14", 0777 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5101] write(3, "1000", 4 [pid 5100] exit_group(0 [pid 5099] <... openat resumed>) = 3 [pid 5102] <... openat resumed>) = 3 [pid 5100] <... exit_group resumed>) = ? [pid 5099] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5101] <... write resumed>) = 4 [pid 5102] write(3, "1000", 4 [pid 5100] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5099] <... mmap resumed>) = 0x20fff000 [pid 5102] <... write resumed>) = 4 [pid 5101] close(3 [pid 5099] exit_group(0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] close(3 [pid 5101] <... close resumed>) = 0 [pid 5099] <... exit_group resumed>) = ? [pid 5010] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5103 [pid 5010] fstat(3, [pid 5008] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5101] symlink("/dev/binderfs", "./binderfs" [pid 5099] +++ exited with 0 +++ [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5103 attached [pid 5102] <... close resumed>) = 0 [pid 5101] <... symlink resumed>) = 0 [pid 5010] getdents64(3, [pid 5008] <... openat resumed>) = 3 [pid 5103] chdir("./14" [pid 5102] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] fstat(3, [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5101] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5103] <... chdir resumed>) = 0 [pid 5102] <... symlink resumed>) = 0 [pid 5010] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5102] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5101] <... openat resumed>) = 3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(3, [pid 5006] <... restart_syscall resumed>) = 0 [pid 5103] <... prctl resumed>) = 0 [pid 5102] <... openat resumed>) = 3 [pid 5101] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] lstat("./17/binderfs", [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5103] setpgid(0, 0 [pid 5102] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5103] <... setpgid resumed>) = 0 [pid 5102] <... mmap resumed>) = 0x20fff000 [pid 5010] unlink("./17/binderfs" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5101] <... mmap resumed>) = 0x20fff000 [pid 5010] <... unlink resumed>) = 0 [pid 5008] lstat("./14/binderfs", [pid 5006] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] getdents64(3, [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] unlink("./14/binderfs" [pid 5006] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] close(3) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5010] rmdir("./17") = 0 [pid 5008] getdents64(3, [pid 5006] <... openat resumed>) = 3 [pid 5102] exit_group(0 [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] mkdir("./18", 0777 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] fstat(3, [pid 5103] <... openat resumed>) = 3 [pid 5102] <... exit_group resumed>) = ? [pid 5101] exit_group(0 [pid 5010] <... mkdir resumed>) = 0 [pid 5008] close(3 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... close resumed>) = 0 [pid 5006] getdents64(3, [pid 5103] write(3, "1000", 4 [pid 5101] <... exit_group resumed>) = ? [pid 5008] rmdir("./14" [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5104 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] <... rmdir resumed>) = 0 [pid 5006] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] mkdir("./15", 0777 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5104 attached [pid 5008] <... mkdir resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] lstat("./14/binderfs", [pid 5104] chdir("./18" [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./14/binderfs" [pid 5104] <... chdir resumed>) = 0 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5006] getdents64(3, 0x555556467620 /* 0 entries */, 32768) = 0 [pid 5104] setpgid(0, 0 [pid 5006] close(3 [pid 5104] <... setpgid resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5006] rmdir("./14") = 0 [pid 5006] mkdir("./15", 0777 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5006] <... mkdir resumed>) = 0 [pid 5103] <... write resumed>) = 4 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5105 attached [pid 5104] <... openat resumed>) = 3 [pid 5103] close(3 [pid 5102] +++ exited with 0 +++ [pid 5101] +++ exited with 0 +++ [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5105 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5104] write(3, "1000", 4) = 4 [pid 5009] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5104] close(3 [pid 5009] <... openat resumed>) = 3 [pid 5105] chdir("./15" [pid 5104] <... close resumed>) = 0 [pid 5009] fstat(3, [pid 5005] <... openat resumed>) = 3 [pid 5104] symlink("/dev/binderfs", "./binderfs" [pid 5103] <... close resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] fstat(3, ./strace-static-x86_64: Process 5106 attached [pid 5105] <... chdir resumed>) = 0 [pid 5104] <... symlink resumed>) = 0 [pid 5103] symlink("/dev/binderfs", "./binderfs" [pid 5009] getdents64(3, [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5106 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5104] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5105] <... prctl resumed>) = 0 [pid 5104] <... openat resumed>) = 3 [pid 5103] <... symlink resumed>) = 0 [pid 5009] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(3, [pid 5105] setpgid(0, 0 [pid 5104] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5103] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5106] chdir("./15" [pid 5105] <... setpgid resumed>) = 0 [pid 5104] <... mmap resumed>) = 0x20fff000 [pid 5103] <... openat resumed>) = 3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5106] <... chdir resumed>) = 0 [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5104] exit_group(0 [pid 5103] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] lstat("./15/binderfs", [pid 5005] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5105] <... openat resumed>) = 3 [pid 5104] <... exit_group resumed>) = ? [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5106] <... prctl resumed>) = 0 [pid 5105] write(3, "1000", 4 [pid 5103] <... mmap resumed>) = 0x20fff000 [pid 5009] unlink("./15/binderfs" [pid 5005] lstat("./13/binderfs", [pid 5106] setpgid(0, 0 [pid 5105] <... write resumed>) = 4 [pid 5104] +++ exited with 0 +++ [pid 5103] exit_group(0 [pid 5009] <... unlink resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5106] <... setpgid resumed>) = 0 [pid 5105] close(3 [pid 5103] <... exit_group resumed>) = ? [pid 5009] getdents64(3, [pid 5005] unlink("./13/binderfs" [pid 5105] <... close resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5105] symlink("/dev/binderfs", "./binderfs" [pid 5010] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... unlink resumed>) = 0 [pid 5105] <... symlink resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] close(3 [pid 5005] getdents64(3, [pid 5105] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... close resumed>) = 0 [pid 5105] <... openat resumed>) = 3 [pid 5103] +++ exited with 0 +++ [pid 5010] <... openat resumed>) = 3 [pid 5009] rmdir("./15" [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5105] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] fstat(3, [pid 5106] <... openat resumed>) = 3 [pid 5105] <... mmap resumed>) = 0x20fff000 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5005] close(3 [pid 5106] write(3, "1000", 4 [pid 5105] exit_group(0 [pid 5010] getdents64(3, [pid 5009] mkdir("./16", 0777 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... close resumed>) = 0 [pid 5105] <... exit_group resumed>) = ? [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5106] <... write resumed>) = 4 [pid 5009] <... mkdir resumed>) = 0 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5005] rmdir("./13" [pid 5106] close(3 [pid 5105] +++ exited with 0 +++ [pid 5010] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... restart_syscall resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5106] <... close resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5107 attached [pid 5106] symlink("/dev/binderfs", "./binderfs" [pid 5010] lstat("./18/binderfs", [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] mkdir("./14", 0777 [pid 5106] <... symlink resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5107 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5010] unlink("./18/binderfs" [pid 5005] <... mkdir resumed>) = 0 [pid 5107] chdir("./16" [pid 5106] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... unlink resumed>) = 0 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5007] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] getdents64(3, 0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] close(3) = 0 [pid 5010] rmdir("./18") = 0 [pid 5007] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5106] <... openat resumed>) = 3 [pid 5010] mkdir("./19", 0777 [pid 5008] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5108 attached [pid 5107] <... chdir resumed>) = 0 [pid 5106] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5108 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5106] <... mmap resumed>) = 0x20fff000 [pid 5008] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] fstat(3, [pid 5106] exit_group(0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5109 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5107] <... prctl resumed>) = 0 [pid 5106] <... exit_group resumed>) = ? [pid 5008] <... openat resumed>) = 3 [pid 5007] getdents64(3, ./strace-static-x86_64: Process 5109 attached [pid 5109] chdir("./19") = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] fstat(3, [pid 5007] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(3, [pid 5007] lstat("./14/binderfs", [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] unlink("./14/binderfs" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... unlink resumed>) = 0 [pid 5008] lstat("./15/binderfs", [pid 5007] getdents64(3, [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5106] +++ exited with 0 +++ [pid 5107] setpgid(0, 0 [pid 5008] unlink("./15/binderfs" [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5109] <... prctl resumed>) = 0 [pid 5108] chdir("./14" [pid 5107] <... setpgid resumed>) = 0 [pid 5109] setpgid(0, 0 [pid 5108] <... chdir resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5007] close(3 [pid 5109] <... setpgid resumed>) = 0 [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] getdents64(3, [pid 5007] <... close resumed>) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5108] <... prctl resumed>) = 0 [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] rmdir("./14" [pid 5006] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5109] <... openat resumed>) = 3 [pid 5108] setpgid(0, 0 [pid 5107] <... openat resumed>) = 3 [pid 5008] close(3 [pid 5109] write(3, "1000", 4 [pid 5108] <... setpgid resumed>) = 0 [pid 5109] <... write resumed>) = 4 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5107] write(3, "1000", 4 [pid 5008] <... close resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5109] close(3 [pid 5108] <... openat resumed>) = 3 [pid 5107] <... write resumed>) = 4 [pid 5008] rmdir("./15" [pid 5007] mkdir("./15", 0777 [pid 5006] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5109] <... close resumed>) = 0 [pid 5108] write(3, "1000", 4 [pid 5107] close(3 [pid 5109] symlink("/dev/binderfs", "./binderfs" [pid 5108] <... write resumed>) = 4 [pid 5008] <... rmdir resumed>) = 0 [pid 5109] <... symlink resumed>) = 0 [pid 5108] close(3 [pid 5007] <... mkdir resumed>) = 0 [pid 5006] <... openat resumed>) = 3 [pid 5008] mkdir("./16", 0777 [pid 5109] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5108] <... close resumed>) = 0 [pid 5107] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] fstat(3, [pid 5109] <... openat resumed>) = 3 [pid 5108] symlink("/dev/binderfs", "./binderfs" [pid 5107] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... mkdir resumed>) = 0 [pid 5109] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5108] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5110 attached [pid 5109] <... mmap resumed>) = 0x20fff000 [pid 5108] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5107] <... symlink resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5110] chdir("./15" [pid 5109] exit_group(0 [pid 5108] <... openat resumed>) = 3 [pid 5107] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC./strace-static-x86_64: Process 5111 attached [pid 5110] <... chdir resumed>) = 0 [pid 5109] <... exit_group resumed>) = ? [pid 5108] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5110 [pid 5006] getdents64(3, [pid 5111] chdir("./16" [pid 5107] <... openat resumed>) = 3 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5111 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5111] <... chdir resumed>) = 0 [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5109] +++ exited with 0 +++ [pid 5108] <... mmap resumed>) = 0x20fff000 [pid 5107] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5006] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5110] <... prctl resumed>) = 0 [pid 5108] exit_group(0 [pid 5107] <... mmap resumed>) = 0x20fff000 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5111] <... prctl resumed>) = 0 [pid 5110] setpgid(0, 0 [pid 5108] <... exit_group resumed>) = ? [pid 5107] exit_group(0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] lstat("./15/binderfs", [pid 5111] setpgid(0, 0 [pid 5107] <... exit_group resumed>) = ? [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5111] <... setpgid resumed>) = 0 [pid 5110] <... setpgid resumed>) = 0 [pid 5108] +++ exited with 0 +++ [pid 5107] +++ exited with 0 +++ [pid 5010] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] unlink("./15/binderfs" [pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5110] <... openat resumed>) = 3 [pid 5010] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... unlink resumed>) = 0 [pid 5111] <... openat resumed>) = 3 [pid 5110] write(3, "1000", 4 [pid 5010] <... openat resumed>) = 3 [pid 5006] getdents64(3, [pid 5111] write(3, "1000", 4 [pid 5110] <... write resumed>) = 4 [pid 5010] fstat(3, [pid 5005] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5111] <... write resumed>) = 4 [pid 5110] close(3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5111] close(3 [pid 5110] <... close resumed>) = 0 [pid 5010] getdents64(3, [pid 5006] close(3 [pid 5005] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5111] <... close resumed>) = 0 [pid 5110] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... close resumed>) = 0 [pid 5111] symlink("/dev/binderfs", "./binderfs" [pid 5110] <... symlink resumed>) = 0 [pid 5010] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] rmdir("./15" [pid 5005] <... openat resumed>) = 3 [pid 5111] <... symlink resumed>) = 0 [pid 5110] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5111] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5110] <... openat resumed>) = 3 [pid 5010] lstat("./19/binderfs", [pid 5009] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... rmdir resumed>) = 0 [pid 5005] fstat(3, [pid 5111] <... openat resumed>) = 3 [pid 5110] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5006] mkdir("./16", 0777 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5111] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5110] <... mmap resumed>) = 0x20fff000 [pid 5010] unlink("./19/binderfs" [pid 5009] fstat(3, [pid 5110] exit_group(0 [pid 5010] <... unlink resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] getdents64(3, [pid 5111] <... mmap resumed>) = 0x20fff000 [pid 5110] <... exit_group resumed>) = ? [pid 5010] getdents64(3, [pid 5009] getdents64(3, [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5111] exit_group(0 [pid 5110] +++ exited with 0 +++ [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 5112 attached [pid 5111] <... exit_group resumed>) = ? [pid 5010] close(3 [pid 5009] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5112 [pid 5005] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] rmdir("./19" [pid 5009] lstat("./16/binderfs", [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5111] +++ exited with 0 +++ [pid 5010] mkdir("./20", 0777 [pid 5009] unlink("./16/binderfs" [pid 5112] chdir("./16" [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5005] lstat("./14/binderfs", [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] getdents64(3, [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] <... chdir resumed>) = 0 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5113 attached [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] unlink("./14/binderfs" [pid 5113] chdir("./20" [pid 5112] <... prctl resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5113 [pid 5009] close(3 [pid 5007] <... openat resumed>) = 3 [pid 5113] <... chdir resumed>) = 0 [pid 5112] setpgid(0, 0 [pid 5009] <... close resumed>) = 0 [pid 5007] fstat(3, [pid 5005] <... unlink resumed>) = 0 [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5112] <... setpgid resumed>) = 0 [pid 5009] rmdir("./16" [pid 5008] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, [pid 5113] <... prctl resumed>) = 0 [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... rmdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5113] setpgid(0, 0 [pid 5009] mkdir("./17", 0777 [pid 5008] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5112] <... openat resumed>) = 3 [pid 5009] <... mkdir resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] close(3 [pid 5113] <... setpgid resumed>) = 0 [pid 5112] write(3, "1000", 4 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] fstat(3, [pid 5007] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... close resumed>) = 0 [pid 5112] <... write resumed>) = 4 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] rmdir("./14" [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5112] close(3 [pid 5008] getdents64(3, [pid 5007] lstat("./15/binderfs", [pid 5005] <... rmdir resumed>) = 0 [pid 5113] <... openat resumed>) = 3 [pid 5112] <... close resumed>) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5114 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] mkdir("./15", 0777./strace-static-x86_64: Process 5114 attached [pid 5113] write(3, "1000", 4 [pid 5112] symlink("/dev/binderfs", "./binderfs" [pid 5008] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] unlink("./15/binderfs" [pid 5005] <... mkdir resumed>) = 0 [pid 5114] chdir("./17" [pid 5113] <... write resumed>) = 4 [pid 5112] <... symlink resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5114] <... chdir resumed>) = 0 [pid 5113] close(3 [pid 5112] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] lstat("./16/binderfs", [pid 5007] <... unlink resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5113] <... close resumed>) = 0 [pid 5112] <... openat resumed>) = 3 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] getdents64(3, [pid 5114] <... prctl resumed>) = 0 [pid 5113] symlink("/dev/binderfs", "./binderfs" [pid 5114] setpgid(0, 0 [pid 5113] <... symlink resumed>) = 0 [pid 5008] unlink("./16/binderfs" [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5114] <... setpgid resumed>) = 0 [pid 5113] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5112] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0./strace-static-x86_64: Process 5115 attached [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5113] <... openat resumed>) = 3 [pid 5008] <... unlink resumed>) = 0 [pid 5007] close(3 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5115 [pid 5114] <... openat resumed>) = 3 [pid 5113] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5112] <... mmap resumed>) = 0x20fff000 [pid 5008] getdents64(3, [pid 5007] <... close resumed>) = 0 [pid 5115] chdir("./15" [pid 5114] write(3, "1000", 4 [pid 5113] <... mmap resumed>) = 0x20fff000 [pid 5112] exit_group(0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] rmdir("./15" [pid 5115] <... chdir resumed>) = 0 [pid 5114] <... write resumed>) = 4 [pid 5113] exit_group(0 [pid 5112] <... exit_group resumed>) = ? [pid 5008] close(3 [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5114] close(3 [pid 5113] <... exit_group resumed>) = ? [pid 5007] <... rmdir resumed>) = 0 [pid 5115] <... prctl resumed>) = 0 [pid 5114] <... close resumed>) = 0 [pid 5113] +++ exited with 0 +++ [pid 5112] +++ exited with 0 +++ [pid 5008] <... close resumed>) = 0 [pid 5007] mkdir("./16", 0777 [pid 5115] setpgid(0, 0 [pid 5114] symlink("/dev/binderfs", "./binderfs" [pid 5008] rmdir("./16" [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5115] <... setpgid resumed>) = 0 [pid 5114] <... symlink resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5007] <... mkdir resumed>) = 0 [pid 5114] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... rmdir resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5114] <... openat resumed>) = 3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] mkdir("./17", 0777 [pid 5006] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5114] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5115] <... openat resumed>) = 3 [pid 5114] <... mmap resumed>) = 0x20fff000 [pid 5010] <... openat resumed>) = 3 [pid 5008] <... mkdir resumed>) = 0 [pid 5006] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5116 attached [pid 5115] write(3, "1000", 4 [pid 5114] exit_group(0 [pid 5010] fstat(3, [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5116 [pid 5006] <... openat resumed>) = 3 [pid 5115] <... write resumed>) = 4 [pid 5114] <... exit_group resumed>) = ? [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] fstat(3, ./strace-static-x86_64: Process 5117 attached [pid 5116] chdir("./16" [pid 5115] close(3 [pid 5114] +++ exited with 0 +++ [pid 5010] getdents64(3, [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5116] <... chdir resumed>) = 0 [pid 5115] <... close resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5117 [pid 5006] getdents64(3, [pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5115] symlink("/dev/binderfs", "./binderfs" [pid 5010] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5116] <... prctl resumed>) = 0 [pid 5115] <... symlink resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5116] setpgid(0, 0 [pid 5115] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] lstat("./20/binderfs", [pid 5009] <... restart_syscall resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5116] <... setpgid resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] lstat("./16/binderfs", [pid 5117] chdir("./17" [pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5115] <... openat resumed>) = 3 [pid 5010] unlink("./20/binderfs" [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5117] <... chdir resumed>) = 0 [pid 5116] <... openat resumed>) = 3 [pid 5115] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... unlink resumed>) = 0 [pid 5009] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] unlink("./16/binderfs" [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5116] write(3, "1000", 4 [pid 5115] <... mmap resumed>) = 0x20fff000 [pid 5010] getdents64(3, [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... unlink resumed>) = 0 [pid 5117] <... prctl resumed>) = 0 [pid 5116] <... write resumed>) = 4 [pid 5115] exit_group(0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] getdents64(3, [pid 5117] setpgid(0, 0 [pid 5116] close(3 [pid 5115] <... exit_group resumed>) = ? [pid 5010] close(3 [pid 5009] <... openat resumed>) = 3 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5117] <... setpgid resumed>) = 0 [pid 5116] <... close resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5006] close(3 [pid 5116] symlink("/dev/binderfs", "./binderfs" [pid 5010] rmdir("./20" [pid 5006] <... close resumed>) = 0 [pid 5116] <... symlink resumed>) = 0 [pid 5115] +++ exited with 0 +++ [pid 5010] <... rmdir resumed>) = 0 [pid 5009] fstat(3, [pid 5006] rmdir("./16" [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5116] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] mkdir("./21", 0777 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5117] <... openat resumed>) = 3 [pid 5116] <... openat resumed>) = 3 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5006] mkdir("./17", 0777 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5117] write(3, "1000", 4 [pid 5116] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] <... restart_syscall resumed>) = 0 [pid 5117] <... write resumed>) = 4 [pid 5116] <... mmap resumed>) = 0x20fff000 [pid 5009] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5118 attached [pid 5117] close(3 [pid 5116] exit_group(0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5118 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5116] <... exit_group resumed>) = ? [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5119 ./strace-static-x86_64: Process 5119 attached [pid 5118] chdir("./21" [pid 5117] <... close resumed>) = 0 [pid 5116] +++ exited with 0 +++ [pid 5009] lstat("./17/binderfs", [pid 5117] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5119] chdir("./17") = 0 [pid 5117] <... symlink resumed>) = 0 [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] unlink("./17/binderfs" [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5119] <... prctl resumed>) = 0 [pid 5117] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5119] setpgid(0, 0 [pid 5009] <... unlink resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5119] <... setpgid resumed>) = 0 [pid 5117] <... openat resumed>) = 3 [pid 5009] getdents64(3, [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5118] <... chdir resumed>) = 0 [pid 5117] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... openat resumed>) = 3 [pid 5119] <... openat resumed>) = 3 [pid 5119] write(3, "1000", 4 [pid 5117] <... mmap resumed>) = 0x20fff000 [pid 5119] <... write resumed>) = 4 [pid 5009] close(3 [pid 5007] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] fstat(3, [pid 5119] close(3 [pid 5118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5117] exit_group(0 [pid 5009] <... close resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5119] <... close resumed>) = 0 [pid 5118] <... prctl resumed>) = 0 [pid 5117] <... exit_group resumed>) = ? [pid 5009] rmdir("./17" [pid 5007] fstat(3, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5119] symlink("/dev/binderfs", "./binderfs" [pid 5118] setpgid(0, 0 [pid 5119] <... symlink resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5118] <... setpgid resumed>) = 0 [pid 5005] getdents64(3, [pid 5119] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] mkdir("./18", 0777 [pid 5007] getdents64(3, [pid 5119] <... openat resumed>) = 3 [pid 5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5119] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5009] <... mkdir resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5119] exit_group(0 [pid 5117] +++ exited with 0 +++ [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5119] <... exit_group resumed>) = ? [pid 5118] <... openat resumed>) = 3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5117, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5119] +++ exited with 0 +++ [pid 5118] write(3, "1000", 4 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./15/binderfs", ./strace-static-x86_64: Process 5120 attached [pid 5118] <... write resumed>) = 4 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5120 [pid 5007] lstat("./16/binderfs", [pid 5120] chdir("./18" [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5120] <... chdir resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5118] close(3 [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5005] unlink("./15/binderfs" [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5118] <... close resumed>) = 0 [pid 5007] unlink("./16/binderfs" [pid 5006] <... restart_syscall resumed>) = 0 [pid 5120] <... prctl resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5120] setpgid(0, 0 [pid 5007] <... unlink resumed>) = 0 [pid 5118] symlink("/dev/binderfs", "./binderfs" [pid 5005] getdents64(3, [pid 5120] <... setpgid resumed>) = 0 [pid 5008] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] getdents64(3, [pid 5006] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5118] <... symlink resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] close(3 [pid 5120] <... openat resumed>) = 3 [pid 5118] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] close(3 [pid 5006] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... close resumed>) = 0 [pid 5120] write(3, "1000", 4 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 5006] <... openat resumed>) = 3 [pid 5005] rmdir("./15" [pid 5120] <... write resumed>) = 4 [pid 5118] <... openat resumed>) = 3 [pid 5008] fstat(3, [pid 5007] rmdir("./16" [pid 5006] fstat(3, [pid 5120] close(3 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5120] <... close resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, [pid 5007] <... rmdir resumed>) = 0 [pid 5120] symlink("/dev/binderfs", "./binderfs" [pid 5118] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] getdents64(3, [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] mkdir("./16", 0777 [pid 5007] mkdir("./17", 0777 [pid 5120] <... symlink resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5120] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... mkdir resumed>) = 0 [pid 5120] <... openat resumed>) = 3 [pid 5006] lstat("./17/binderfs", [pid 5120] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5120] <... mmap resumed>) = 0x20fff000 [pid 5007] <... mkdir resumed>) = 0 [pid 5006] unlink("./17/binderfs" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5120] exit_group(0 [pid 5118] <... mmap resumed>) = 0x20fff000 [pid 5008] lstat("./17/binderfs", [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... unlink resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5120] <... exit_group resumed>) = ? [pid 5118] exit_group(0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] getdents64(3, [pid 5120] +++ exited with 0 +++ [pid 5118] <... exit_group resumed>) = ? [pid 5008] unlink("./17/binderfs" [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] close(3 [pid 5008] <... unlink resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5121 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] getdents64(3, [pid 5006] rmdir("./17" [pid 5009] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5118] +++ exited with 0 +++ [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] close(3 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5122 [pid 5006] mkdir("./18", 0777./strace-static-x86_64: Process 5122 attached [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5118, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... close resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5008] rmdir("./17" [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5121 attached [pid 5122] chdir("./17" [pid 5009] fstat(3, [pid 5008] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5123 attached [pid 5122] <... chdir resumed>) = 0 [pid 5121] chdir("./16" [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5123 [pid 5123] chdir("./18" [pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5121] <... chdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] mkdir("./18", 0777 [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5121] <... prctl resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... mkdir resumed>) = 0 [pid 5122] <... prctl resumed>) = 0 [pid 5121] setpgid(0, 0 [pid 5010] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5123] <... chdir resumed>) = 0 [pid 5122] setpgid(0, 0 [pid 5121] <... setpgid resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5009] lstat("./18/binderfs", [pid 5122] <... setpgid resumed>) = 0 [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] fstat(3, [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5121] <... openat resumed>) = 3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] unlink("./18/binderfs" [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5124 [pid 5123] <... prctl resumed>) = 0 [pid 5122] <... openat resumed>) = 3 [pid 5121] write(3, "1000", 4 [pid 5010] getdents64(3, [pid 5009] <... unlink resumed>) = 0 [pid 5123] setpgid(0, 0 [pid 5122] write(3, "1000", 4 [pid 5121] <... write resumed>) = 4 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] getdents64(3, ./strace-static-x86_64: Process 5124 attached [pid 5123] <... setpgid resumed>) = 0 [pid 5122] <... write resumed>) = 4 [pid 5121] close(3 [pid 5010] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5124] chdir("./18" [pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5122] close(3 [pid 5121] <... close resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] close(3 [pid 5124] <... chdir resumed>) = 0 [pid 5123] <... openat resumed>) = 3 [pid 5122] <... close resumed>) = 0 [pid 5121] symlink("/dev/binderfs", "./binderfs" [pid 5010] lstat("./21/binderfs", [pid 5009] <... close resumed>) = 0 [pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5123] write(3, "1000", 4 [pid 5122] symlink("/dev/binderfs", "./binderfs" [pid 5121] <... symlink resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] rmdir("./18" [pid 5124] <... prctl resumed>) = 0 [pid 5123] <... write resumed>) = 4 [pid 5122] <... symlink resumed>) = 0 [pid 5121] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] unlink("./21/binderfs" [pid 5009] <... rmdir resumed>) = 0 [pid 5124] setpgid(0, 0 [pid 5123] close(3 [pid 5122] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5121] <... openat resumed>) = 3 [pid 5010] <... unlink resumed>) = 0 [pid 5009] mkdir("./19", 0777 [pid 5124] <... setpgid resumed>) = 0 [pid 5123] <... close resumed>) = 0 [pid 5122] <... openat resumed>) = 3 [pid 5121] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] getdents64(3, [pid 5009] <... mkdir resumed>) = 0 [pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5123] symlink("/dev/binderfs", "./binderfs" [pid 5122] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5124] <... openat resumed>) = 3 [pid 5123] <... symlink resumed>) = 0 [pid 5122] <... mmap resumed>) = 0x20fff000 [pid 5121] <... mmap resumed>) = 0x20fff000 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5125 attached [pid 5124] write(3, "1000", 4 [pid 5123] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5122] exit_group(0 [pid 5121] exit_group(0 [pid 5010] close(3 [pid 5124] <... write resumed>) = 4 [pid 5123] <... openat resumed>) = 3 [pid 5122] <... exit_group resumed>) = ? [pid 5121] <... exit_group resumed>) = ? [pid 5010] <... close resumed>) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5125 [pid 5125] chdir("./19" [pid 5124] close(3 [pid 5123] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5122] +++ exited with 0 +++ [pid 5121] +++ exited with 0 +++ [pid 5010] rmdir("./21" [pid 5125] <... chdir resumed>) = 0 [pid 5124] <... close resumed>) = 0 [pid 5123] <... mmap resumed>) = 0x20fff000 [pid 5010] <... rmdir resumed>) = 0 [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5124] symlink("/dev/binderfs", "./binderfs" [pid 5123] exit_group(0 [pid 5010] mkdir("./22", 0777 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5125] <... prctl resumed>) = 0 [pid 5124] <... symlink resumed>) = 0 [pid 5123] <... exit_group resumed>) = ? [pid 5125] setpgid(0, 0 [pid 5124] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... mkdir resumed>) = 0 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5124] <... openat resumed>) = 3 [pid 5125] <... setpgid resumed>) = 0 [pid 5124] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5123] +++ exited with 0 +++ [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... restart_syscall resumed>) = 0 [pid 5005] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5124] <... mmap resumed>) = 0x20fff000 ./strace-static-x86_64: Process 5126 attached [pid 5125] <... openat resumed>) = 3 [pid 5124] exit_group(0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5123, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5126] chdir("./22" [pid 5125] write(3, "1000", 4 [pid 5124] <... exit_group resumed>) = ? [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5126 [pid 5006] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5126] <... chdir resumed>) = 0 [pid 5125] <... write resumed>) = 4 [pid 5124] +++ exited with 0 +++ [pid 5007] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5125] close(3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... openat resumed>) = 3 [pid 5126] <... prctl resumed>) = 0 [pid 5125] <... close resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5007] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... openat resumed>) = 3 [pid 5005] fstat(3, [pid 5126] setpgid(0, 0 [pid 5125] symlink("/dev/binderfs", "./binderfs" [pid 5008] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... openat resumed>) = 3 [pid 5006] fstat(3, [pid 5126] <... setpgid resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] fstat(3, [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5125] <... symlink resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, [pid 5125] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] <... openat resumed>) = 3 [pid 5007] getdents64(3, [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] getdents64(3, [pid 5008] fstat(3, [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5125] <... openat resumed>) = 3 [pid 5008] getdents64(3, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./18/binderfs", [pid 5005] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5125] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] lstat("./17/binderfs", [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5126] <... openat resumed>) = 3 [pid 5125] <... mmap resumed>) = 0x20fff000 [pid 5008] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./18/binderfs" [pid 5005] lstat("./16/binderfs", [pid 5126] write(3, "1000", 4 [pid 5125] exit_group(0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] unlink("./17/binderfs" [pid 5006] <... unlink resumed>) = 0 [pid 5126] <... write resumed>) = 4 [pid 5125] <... exit_group resumed>) = ? [pid 5008] lstat("./18/binderfs", [pid 5006] getdents64(3, [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5126] close(3 [pid 5125] +++ exited with 0 +++ [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] unlink("./16/binderfs" [pid 5126] <... close resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] unlink("./18/binderfs" [pid 5007] getdents64(3, [pid 5006] close(3 [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5006] <... close resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5009] <... restart_syscall resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] rmdir("./18" [pid 5126] symlink("/dev/binderfs", "./binderfs" [pid 5005] getdents64(3, [pid 5008] getdents64(3, [pid 5007] close(3 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5126] <... symlink resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... close resumed>) = 0 [pid 5006] mkdir("./19", 0777 [pid 5005] close(3 [pid 5126] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(3 [pid 5007] rmdir("./17" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... mkdir resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5008] rmdir("./18" [pid 5007] <... rmdir resumed>) = 0 [pid 5126] <... openat resumed>) = 3 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] rmdir("./16" [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5005] <... rmdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] mkdir("./19", 0777 [pid 5007] mkdir("./18", 0777 [pid 5005] mkdir("./17", 0777./strace-static-x86_64: Process 5127 attached [pid 5126] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5009] unlink("./19/binderfs" [pid 5007] <... mkdir resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5127 [pid 5005] <... mkdir resumed>) = 0 [pid 5127] chdir("./19" [pid 5126] <... mmap resumed>) = 0x20fff000 [pid 5009] getdents64(3, [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] rmdir("./19") = 0 [pid 5009] mkdir("./20", 0777./strace-static-x86_64: Process 5129 attached [pid 5127] <... chdir resumed>) = 0 [pid 5126] exit_group(0 [pid 5009] <... mkdir resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5128 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5129 [pid 5129] chdir("./18" [pid 5127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5126] <... exit_group resumed>) = ? [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5130 ./strace-static-x86_64: Process 5128 attached [pid 5129] <... chdir resumed>) = 0 [pid 5127] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5131 attached ./strace-static-x86_64: Process 5130 attached [pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5128] chdir("./19" [pid 5127] setpgid(0, 0 [pid 5126] +++ exited with 0 +++ [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5131 [pid 5129] <... prctl resumed>) = 0 [pid 5128] <... chdir resumed>) = 0 [pid 5127] <... setpgid resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5126, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5131] chdir("./20" [pid 5130] chdir("./17" [pid 5129] setpgid(0, 0 [pid 5128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5131] <... chdir resumed>) = 0 [pid 5130] <... chdir resumed>) = 0 [pid 5129] <... setpgid resumed>) = 0 [pid 5127] <... openat resumed>) = 3 [pid 5128] <... prctl resumed>) = 0 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5128] setpgid(0, 0 [pid 5127] write(3, "1000", 4 [pid 5131] <... prctl resumed>) = 0 [pid 5130] <... prctl resumed>) = 0 [pid 5129] <... openat resumed>) = 3 [pid 5128] <... setpgid resumed>) = 0 [pid 5131] setpgid(0, 0 [pid 5130] setpgid(0, 0 [pid 5129] write(3, "1000", 4 [pid 5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5127] <... write resumed>) = 4 [pid 5131] <... setpgid resumed>) = 0 [pid 5130] <... setpgid resumed>) = 0 [pid 5129] <... write resumed>) = 4 [pid 5128] <... openat resumed>) = 3 [pid 5127] close(3 [pid 5010] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5129] close(3 [pid 5128] write(3, "1000", 4 [pid 5127] <... close resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5131] <... openat resumed>) = 3 [pid 5130] <... openat resumed>) = 3 [pid 5129] <... close resumed>) = 0 [pid 5128] <... write resumed>) = 4 [pid 5127] symlink("/dev/binderfs", "./binderfs" [pid 5010] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5131] write(3, "1000", 4 [pid 5130] write(3, "1000", 4 [pid 5129] symlink("/dev/binderfs", "./binderfs" [pid 5128] close(3 [pid 5131] <... write resumed>) = 4 [pid 5130] <... write resumed>) = 4 [pid 5128] <... close resumed>) = 0 [pid 5127] <... symlink resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5131] close(3 [pid 5130] close(3 [pid 5129] <... symlink resumed>) = 0 [pid 5128] symlink("/dev/binderfs", "./binderfs" [pid 5127] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] fstat(3, [pid 5131] <... close resumed>) = 0 [pid 5130] <... close resumed>) = 0 [pid 5129] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5128] <... symlink resumed>) = 0 [pid 5131] symlink("/dev/binderfs", "./binderfs" [pid 5130] symlink("/dev/binderfs", "./binderfs" [pid 5129] <... openat resumed>) = 3 [pid 5128] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5127] <... openat resumed>) = 3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5131] <... symlink resumed>) = 0 [pid 5130] <... symlink resumed>) = 0 [pid 5129] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5128] <... openat resumed>) = 3 [pid 5127] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] getdents64(3, [pid 5131] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5130] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5129] <... mmap resumed>) = 0x20fff000 [pid 5128] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5127] <... mmap resumed>) = 0x20fff000 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5131] <... openat resumed>) = 3 [pid 5130] <... openat resumed>) = 3 [pid 5129] exit_group(0 [pid 5127] exit_group(0 [pid 5010] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5131] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5130] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5129] <... exit_group resumed>) = ? [pid 5128] <... mmap resumed>) = 0x20fff000 [pid 5127] <... exit_group resumed>) = ? [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5131] <... mmap resumed>) = 0x20fff000 [pid 5130] <... mmap resumed>) = 0x20fff000 [pid 5129] +++ exited with 0 +++ [pid 5128] exit_group(0 [pid 5131] exit_group(0 [pid 5127] +++ exited with 0 +++ [pid 5010] lstat("./22/binderfs", [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5130] exit_group(0 [pid 5128] <... exit_group resumed>) = ? [pid 5131] <... exit_group resumed>) = ? [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5130] <... exit_group resumed>) = ? [pid 5010] unlink("./22/binderfs" [pid 5128] +++ exited with 0 +++ [pid 5010] <... unlink resumed>) = 0 [pid 5010] getdents64(3, [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5128, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5131] +++ exited with 0 +++ [pid 5010] close(3 [pid 5007] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... close resumed>) = 0 [pid 5008] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] rmdir("./22" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5130] +++ exited with 0 +++ [pid 5010] <... rmdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... openat resumed>) = 3 [pid 5010] mkdir("./23", 0777 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... openat resumed>) = 3 [pid 5007] fstat(3, [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] <... mkdir resumed>) = 0 [pid 5008] fstat(3, [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, [pid 5009] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] getdents64(3, [pid 5006] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5132 [pid 5009] <... openat resumed>) = 3 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... openat resumed>) = 3 [pid 5005] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] fstat(3, [pid 5008] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] fstat(3, [pid 5005] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5132 attached [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] fstat(3, [pid 5009] getdents64(3, [pid 5008] lstat("./19/binderfs", [pid 5007] lstat("./18/binderfs", [pid 5006] getdents64(3, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] getdents64(3, [pid 5132] chdir("./23" [pid 5009] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] unlink("./19/binderfs" [pid 5007] unlink("./18/binderfs" [pid 5006] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5132] <... chdir resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... unlink resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] lstat("./20/binderfs", [pid 5008] getdents64(3, [pid 5007] <... unlink resumed>) = 0 [pid 5006] lstat("./19/binderfs", [pid 5005] umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5132] <... prctl resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] getdents64(3, [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5132] setpgid(0, 0 [pid 5009] unlink("./20/binderfs" [pid 5008] close(3 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] unlink("./19/binderfs" [pid 5005] lstat("./17/binderfs", [pid 5132] <... setpgid resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5007] close(3 [pid 5006] <... unlink resumed>) = 0 [pid 5132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] getdents64(3, [pid 5008] rmdir("./19" [pid 5007] <... close resumed>) = 0 [pid 5006] getdents64(3, [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5132] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] rmdir("./18" [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] unlink("./17/binderfs" [pid 5132] write(3, "1000", 4 [pid 5009] close(3 [pid 5008] mkdir("./20", 0777 [pid 5007] <... rmdir resumed>) = 0 [pid 5006] close(3 [pid 5132] <... write resumed>) = 4 [pid 5009] <... close resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] mkdir("./19", 0777 [pid 5006] <... close resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5132] close(3 [pid 5009] rmdir("./20" [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... mkdir resumed>) = 0 [pid 5006] rmdir("./19" [pid 5005] getdents64(3, [pid 5132] <... close resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5133 attached [pid 5132] symlink("/dev/binderfs", "./binderfs" [pid 5009] mkdir("./21", 0777 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5133 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5132] <... symlink resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5134 [pid 5132] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5134 attached [pid 5133] chdir("./20" [pid 5132] <... openat resumed>) = 3 [pid 5006] mkdir("./20", 0777 [pid 5005] close(3 [pid 5133] <... chdir resumed>) = 0 [pid 5132] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5132] <... mmap resumed>) = 0x20fff000 [pid 5132] exit_group(0 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5132] <... exit_group resumed>) = ? [pid 5134] chdir("./19" [pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5132] +++ exited with 0 +++ [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] rmdir("./17" [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5135 ./strace-static-x86_64: Process 5135 attached [pid 5134] <... chdir resumed>) = 0 [pid 5133] <... prctl resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5133] setpgid(0, 0 [pid 5005] mkdir("./18", 0777./strace-static-x86_64: Process 5136 attached [pid 5135] chdir("./21" [pid 5134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5133] <... setpgid resumed>) = 0 [pid 5010] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5136 [pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... mkdir resumed>) = 0 [pid 5133] <... openat resumed>) = 3 [pid 5010] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5133] write(3, "1000", 4 [pid 5010] <... openat resumed>) = 3 [pid 5133] <... write resumed>) = 4 [pid 5010] fstat(3, [pid 5133] close(3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5133] <... close resumed>) = 0 [pid 5010] getdents64(3, [pid 5133] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5136] chdir("./20" [pid 5133] <... symlink resumed>) = 0 [pid 5010] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5137 [pid 5135] <... chdir resumed>) = 0 [pid 5134] <... prctl resumed>) = 0 [pid 5133] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5137 attached [pid 5136] <... chdir resumed>) = 0 [pid 5135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5134] setpgid(0, 0 [pid 5133] <... openat resumed>) = 3 [pid 5010] lstat("./23/binderfs", [pid 5137] chdir("./18" [pid 5136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5135] <... prctl resumed>) = 0 [pid 5134] <... setpgid resumed>) = 0 [pid 5133] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5137] <... chdir resumed>) = 0 [pid 5136] <... prctl resumed>) = 0 [pid 5135] setpgid(0, 0 [pid 5134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5133] <... mmap resumed>) = 0x20fff000 [pid 5010] unlink("./23/binderfs" [pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5136] setpgid(0, 0 [pid 5135] <... setpgid resumed>) = 0 [pid 5134] <... openat resumed>) = 3 [pid 5133] exit_group(0 [pid 5010] <... unlink resumed>) = 0 [pid 5137] <... prctl resumed>) = 0 [pid 5136] <... setpgid resumed>) = 0 [pid 5133] <... exit_group resumed>) = ? [pid 5010] getdents64(3, [pid 5137] setpgid(0, 0 [pid 5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5134] write(3, "1000", 4 [pid 5133] +++ exited with 0 +++ [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5137] <... setpgid resumed>) = 0 [pid 5010] close(3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5134] <... write resumed>) = 4 [pid 5010] <... close resumed>) = 0 [pid 5136] <... openat resumed>) = 3 [pid 5135] <... openat resumed>) = 3 [pid 5134] close(3 [pid 5010] rmdir("./23" [pid 5137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5136] write(3, "1000", 4 [pid 5135] write(3, "1000", 4 [pid 5134] <... close resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5136] <... write resumed>) = 4 [pid 5135] <... write resumed>) = 4 [pid 5010] mkdir("./24", 0777 [pid 5008] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5134] symlink("/dev/binderfs", "./binderfs" [pid 5137] <... openat resumed>) = 3 [pid 5136] close(3 [pid 5135] close(3 [pid 5134] <... symlink resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5137] write(3, "1000", 4) = 4 [pid 5136] <... close resumed>) = 0 [pid 5135] <... close resumed>) = 0 [pid 5134] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5138 attached [pid 5137] close(3 [pid 5136] symlink("/dev/binderfs", "./binderfs" [pid 5135] symlink("/dev/binderfs", "./binderfs" [pid 5134] <... openat resumed>) = 3 [pid 5008] <... openat resumed>) = 3 [pid 5137] <... close resumed>) = 0 [pid 5136] <... symlink resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5138 [pid 5135] <... symlink resumed>) = 0 [pid 5135] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5134] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] fstat(3, [pid 5137] symlink("/dev/binderfs", "./binderfs" [pid 5136] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5135] <... openat resumed>) = 3 [pid 5134] <... mmap resumed>) = 0x20fff000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5136] <... openat resumed>) = 3 [pid 5138] chdir("./24" [pid 5137] <... symlink resumed>) = 0 [pid 5136] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] getdents64(3, [pid 5135] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5138] <... chdir resumed>) = 0 [pid 5137] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5136] <... mmap resumed>) = 0x20fff000 [pid 5135] <... mmap resumed>) = 0x20fff000 [pid 5134] exit_group(0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5137] <... openat resumed>) = 3 [pid 5136] exit_group(0 [pid 5135] exit_group(0 [pid 5134] <... exit_group resumed>) = ? [pid 5008] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5138] <... prctl resumed>) = 0 [pid 5137] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5136] <... exit_group resumed>) = ? [pid 5135] <... exit_group resumed>) = ? [pid 5138] setpgid(0, 0 [pid 5137] <... mmap resumed>) = 0x20fff000 [pid 5136] +++ exited with 0 +++ [pid 5134] +++ exited with 0 +++ [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5138] <... setpgid resumed>) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5137] exit_group(0 [pid 5135] +++ exited with 0 +++ [pid 5008] lstat("./20/binderfs", [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5138] <... openat resumed>) = 3 [pid 5137] <... exit_group resumed>) = ? [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5135, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... restart_syscall resumed>) = 0 [pid 5138] write(3, "1000", 4) = 4 [pid 5138] close(3 [pid 5137] +++ exited with 0 +++ [pid 5009] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] unlink("./20/binderfs" [pid 5007] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5138] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5138] symlink("/dev/binderfs", "./binderfs" [pid 5009] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... unlink resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5138] <... symlink resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5008] getdents64(3, [pid 5007] <... openat resumed>) = 3 [pid 5138] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] fstat(3, [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] fstat(3, [pid 5138] <... openat resumed>) = 3 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] close(3 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5138] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] getdents64(3, [pid 5008] <... close resumed>) = 0 [pid 5007] getdents64(3, [pid 5006] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5138] <... mmap resumed>) = 0x20fff000 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] rmdir("./20" [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5138] exit_group(0 [pid 5009] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5138] <... exit_group resumed>) = ? [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] lstat("./21/binderfs", [pid 5138] +++ exited with 0 +++ [pid 5008] mkdir("./21", 0777 [pid 5007] lstat("./19/binderfs", [pid 5006] <... openat resumed>) = 3 [pid 5005] <... openat resumed>) = 3 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./19/binderfs") = 0 [pid 5007] getdents64(3, [pid 5008] <... mkdir resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] fstat(3, [pid 5009] unlink("./21/binderfs" [pid 5005] fstat(3, [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] close(3) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5007] rmdir("./19" [pid 5010] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] getdents64(3, [pid 5007] <... rmdir resumed>) = 0 [pid 5006] getdents64(3, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] mkdir("./20", 0777 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] close(3 [pid 5007] <... mkdir resumed>) = 0 [pid 5006] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(3, [pid 5010] <... openat resumed>) = 3 [pid 5009] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5139 attached ./strace-static-x86_64: Process 5140 attached [pid 5010] fstat(3, [pid 5009] rmdir("./21" [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5139 [pid 5006] lstat("./20/binderfs", [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5140] chdir("./20" [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5140 [pid 5140] <... chdir resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] getdents64(3, [pid 5009] mkdir("./22", 0777 [pid 5006] unlink("./20/binderfs" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5140] <... prctl resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5140] setpgid(0, 0) = 0 [pid 5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... mkdir resumed>) = 0 [pid 5005] lstat("./18/binderfs", [pid 5140] <... openat resumed>) = 3 [pid 5010] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... unlink resumed>) = 0 [pid 5140] write(3, "1000", 4 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5140] <... write resumed>) = 4 [pid 5140] close(3) = 0 [pid 5140] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5010] lstat("./24/binderfs", [pid 5006] getdents64(3, [pid 5005] unlink("./18/binderfs" [pid 5140] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5141 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5140] <... openat resumed>) = 3 [pid 5005] <... unlink resumed>) = 0 [pid 5140] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] unlink("./24/binderfs" [pid 5006] close(3 [pid 5005] getdents64(3, ./strace-static-x86_64: Process 5141 attached [pid 5140] <... mmap resumed>) = 0x20fff000 [pid 5010] <... unlink resumed>) = 0 [pid 5141] chdir("./22" [pid 5140] exit_group(0 [pid 5139] chdir("./21" [pid 5010] getdents64(3, [pid 5006] <... close resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5141] <... chdir resumed>) = 0 [pid 5140] <... exit_group resumed>) = ? [pid 5139] <... chdir resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] rmdir("./20" [pid 5005] close(3 [pid 5141] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5140] +++ exited with 0 +++ [pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] close(3 [pid 5006] <... rmdir resumed>) = 0 [pid 5141] <... prctl resumed>) = 0 [pid 5139] <... prctl resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] mkdir("./21", 0777 [pid 5005] <... close resumed>) = 0 [pid 5141] setpgid(0, 0 [pid 5010] rmdir("./24" [pid 5141] <... setpgid resumed>) = 0 [pid 5141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5006] <... mkdir resumed>) = 0 [pid 5005] rmdir("./18" [pid 5141] <... openat resumed>) = 3 [pid 5010] <... rmdir resumed>) = 0 [pid 5141] write(3, "1000", 4) = 4 [pid 5139] setpgid(0, 0 [pid 5010] mkdir("./25", 0777 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... rmdir resumed>) = 0 [pid 5141] close(3 [pid 5007] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5141] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5141] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] mkdir("./19", 0777 [pid 5141] <... symlink resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5141] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5007] fstat(3, [pid 5141] <... openat resumed>) = 3 [pid 5139] <... setpgid resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5142 [pid 5005] <... mkdir resumed>) = 0 [pid 5141] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] getdents64(3, [pid 5141] <... mmap resumed>) = 0x20fff000 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5141] exit_group(0 [pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5143 [pid 5007] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5142 attached [pid 5141] <... exit_group resumed>) = ? [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5144 attached ./strace-static-x86_64: Process 5143 attached [pid 5141] +++ exited with 0 +++ [pid 5139] <... openat resumed>) = 3 [pid 5007] lstat("./20/binderfs", [pid 5142] chdir("./21" [pid 5139] write(3, "1000", 4 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5144 [pid 5142] <... chdir resumed>) = 0 [pid 5139] <... write resumed>) = 4 [pid 5007] unlink("./20/binderfs" [pid 5142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5139] close(3 [pid 5007] <... unlink resumed>) = 0 [pid 5142] <... prctl resumed>) = 0 [pid 5139] <... close resumed>) = 0 [pid 5007] getdents64(3, [pid 5142] setpgid(0, 0 [pid 5139] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5142] <... setpgid resumed>) = 0 [pid 5007] close(3 [pid 5142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5139] <... symlink resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5142] <... openat resumed>) = 3 [pid 5009] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] rmdir("./20" [pid 5144] chdir("./19" [pid 5143] chdir("./25" [pid 5142] write(3, "1000", 4 [pid 5139] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... rmdir resumed>) = 0 [pid 5144] <... chdir resumed>) = 0 [pid 5143] <... chdir resumed>) = 0 [pid 5142] <... write resumed>) = 4 [pid 5009] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] mkdir("./21", 0777 [pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5142] close(3 [pid 5139] <... openat resumed>) = 3 [pid 5009] <... openat resumed>) = 3 [pid 5007] <... mkdir resumed>) = 0 [pid 5144] <... prctl resumed>) = 0 [pid 5143] <... prctl resumed>) = 0 [pid 5142] <... close resumed>) = 0 [pid 5139] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] fstat(3, [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5144] setpgid(0, 0 [pid 5143] setpgid(0, 0 [pid 5142] symlink("/dev/binderfs", "./binderfs" [pid 5139] <... mmap resumed>) = 0x20fff000 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5142] <... symlink resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5145 [pid 5144] <... setpgid resumed>) = 0 [pid 5143] <... setpgid resumed>) = 0 [pid 5142] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5139] exit_group(0 [pid 5009] getdents64(3, [pid 5142] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5142] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5139] <... exit_group resumed>) = ? [pid 5009] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5145 attached [pid 5144] <... openat resumed>) = 3 [pid 5143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5142] <... mmap resumed>) = 0x20fff000 [pid 5142] exit_group(0) = ? [pid 5144] write(3, "1000", 4 [pid 5143] <... openat resumed>) = 3 [pid 5142] +++ exited with 0 +++ [pid 5139] +++ exited with 0 +++ [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5144] <... write resumed>) = 4 [pid 5143] write(3, "1000", 4 [pid 5009] lstat("./22/binderfs", [pid 5145] chdir("./21" [pid 5144] close(3 [pid 5143] <... write resumed>) = 4 [pid 5145] <... chdir resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5144] <... close resumed>) = 0 [pid 5145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5144] symlink("/dev/binderfs", "./binderfs" [pid 5143] close(3 [pid 5009] unlink("./22/binderfs" [pid 5008] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5145] <... prctl resumed>) = 0 [pid 5145] setpgid(0, 0 [pid 5009] <... unlink resumed>) = 0 [pid 5006] <... restart_syscall resumed>) = 0 [pid 5145] <... setpgid resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] getdents64(3, [pid 5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5144] <... symlink resumed>) = 0 [pid 5143] <... close resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5145] <... openat resumed>) = 3 [pid 5144] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5143] symlink("/dev/binderfs", "./binderfs" [pid 5006] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5145] write(3, "1000", 4 [pid 5009] close(3 [pid 5008] <... openat resumed>) = 3 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] fstat(3, [pid 5009] <... close resumed>) = 0 [pid 5006] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] rmdir("./22" [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5145] <... write resumed>) = 4 [pid 5006] <... openat resumed>) = 3 [pid 5145] close(3) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5145] symlink("/dev/binderfs", "./binderfs" [pid 5009] mkdir("./23", 0777 [pid 5008] getdents64(3, [pid 5006] fstat(3, [pid 5145] <... symlink resumed>) = 0 [pid 5144] <... openat resumed>) = 3 [pid 5143] <... symlink resumed>) = 0 [pid 5145] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5009] <... mkdir resumed>) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5145] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5143] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] getdents64(3, [pid 5144] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5145] <... mmap resumed>) = 0x20fff000 [pid 5143] <... openat resumed>) = 3 [pid 5145] exit_group(0 [pid 5008] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5145] <... exit_group resumed>) = ? [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5145] +++ exited with 0 +++ [pid 5144] <... mmap resumed>) = 0x20fff000 [pid 5143] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] lstat("./21/binderfs", [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5144] exit_group(0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5006] lstat("./21/binderfs", [pid 5007] <... restart_syscall resumed>) = 0 [pid 5143] <... mmap resumed>) = 0x20fff000 [pid 5007] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5144] <... exit_group resumed>) = ? [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5146 [pid 5008] unlink("./21/binderfs" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5143] exit_group(0 [pid 5007] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5007] fstat(3, [pid 5008] <... unlink resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] unlink("./21/binderfs" [pid 5007] getdents64(3, 0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./21/binderfs" [pid 5144] +++ exited with 0 +++ [pid 5007] <... unlink resumed>) = 0 [pid 5007] getdents64(3, 0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] close(3 [pid 5006] <... unlink resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5143] <... exit_group resumed>) = ? [pid 5008] getdents64(3, [pid 5007] <... close resumed>) = 0 [pid 5006] getdents64(3, [pid 5007] rmdir("./21") = 0 [pid 5007] mkdir("./22", 0777) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] close(3 [pid 5005] umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5147 attached ./strace-static-x86_64: Process 5146 attached [pid 5143] +++ exited with 0 +++ [pid 5008] close(3 [pid 5006] <... close resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5147] chdir("./22" [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... close resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5147 [pid 5006] rmdir("./21" [pid 5005] openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5147] <... chdir resumed>) = 0 [pid 5008] rmdir("./21" [pid 5147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5147] setpgid(0, 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5147] <... setpgid resumed>) = 0 [pid 5147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... openat resumed>) = 3 [pid 5008] <... rmdir resumed>) = 0 [pid 5147] <... openat resumed>) = 3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] mkdir("./22", 0777 [pid 5006] mkdir("./22", 0777 [pid 5005] fstat(3, [pid 5147] write(3, "1000", 4 [pid 5010] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5147] <... write resumed>) = 4 [pid 5147] close(3 [pid 5008] <... mkdir resumed>) = 0 [pid 5147] <... close resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5147] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] getdents64(3, [pid 5147] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] fstat(3, [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5147] <... openat resumed>) = 3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5147] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] getdents64(3, [pid 5147] <... mmap resumed>) = 0x20fff000 [pid 5005] umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] lstat("./19/binderfs", [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5147] exit_group(0 [pid 5010] lstat("./25/binderfs", [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5147] <... exit_group resumed>) = ? [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./19/binderfs" [pid 5147] +++ exited with 0 +++ [pid 5146] chdir("./23" [pid 5010] unlink("./25/binderfs" [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5148 ./strace-static-x86_64: Process 5148 attached [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... unlink resumed>) = 0 [pid 5148] chdir("./22" [pid 5146] <... chdir resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5149 [pid 5005] getdents64(3, [pid 5148] <... chdir resumed>) = 0 [pid 5010] getdents64(3, [pid 5146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5146] <... prctl resumed>) = 0 [pid 5010] close(3 [pid 5005] close(3 [pid 5146] setpgid(0, 0 [pid 5010] <... close resumed>) = 0 ./strace-static-x86_64: Process 5149 attached [pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5146] <... setpgid resumed>) = 0 [pid 5010] rmdir("./25" [pid 5005] <... close resumed>) = 0 [pid 5148] <... prctl resumed>) = 0 [pid 5149] chdir("./22" [pid 5148] setpgid(0, 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5005] rmdir("./19" [pid 5149] <... chdir resumed>) = 0 [pid 5148] <... setpgid resumed>) = 0 [pid 5146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] mkdir("./26", 0777 [pid 5007] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... rmdir resumed>) = 0 [pid 5149] <... prctl resumed>) = 0 [pid 5148] <... openat resumed>) = 3 [pid 5010] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5146] <... openat resumed>) = 3 [pid 5005] mkdir("./20", 0777 [pid 5149] setpgid(0, 0 [pid 5148] write(3, "1000", 4 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... openat resumed>) = 3 [pid 5149] <... setpgid resumed>) = 0 [pid 5148] <... write resumed>) = 4 [pid 5007] fstat(3, [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5148] close(3 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5149] <... openat resumed>) = 3 [pid 5148] <... close resumed>) = 0 [pid 5146] write(3, "1000", 4 [pid 5007] getdents64(3, [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5150 attached [pid 5149] write(3, "1000", 4 [pid 5148] symlink("/dev/binderfs", "./binderfs" [pid 5146] <... write resumed>) = 4 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5150 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5149] <... write resumed>) = 4 [pid 5148] <... symlink resumed>) = 0 [pid 5007] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5149] close(3 [pid 5148] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5146] close(3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5149] <... close resumed>) = 0 [pid 5148] <... openat resumed>) = 3 [pid 5146] <... close resumed>) = 0 [pid 5007] lstat("./22/binderfs", [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5151 ./strace-static-x86_64: Process 5151 attached [pid 5150] chdir("./26" [pid 5149] symlink("/dev/binderfs", "./binderfs" [pid 5148] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5146] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5151] chdir("./20" [pid 5150] <... chdir resumed>) = 0 [pid 5149] <... symlink resumed>) = 0 [pid 5148] <... mmap resumed>) = 0x20fff000 [pid 5146] <... symlink resumed>) = 0 [pid 5007] unlink("./22/binderfs" [pid 5151] <... chdir resumed>) = 0 [pid 5150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5149] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5148] exit_group(0 [pid 5146] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5007] <... unlink resumed>) = 0 [pid 5151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5150] <... prctl resumed>) = 0 [pid 5149] <... openat resumed>) = 3 [pid 5148] <... exit_group resumed>) = ? [pid 5007] getdents64(3, [pid 5151] <... prctl resumed>) = 0 [pid 5150] setpgid(0, 0 [pid 5149] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5146] <... openat resumed>) = 3 [pid 5151] setpgid(0, 0 [pid 5148] +++ exited with 0 +++ [pid 5146] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5151] <... setpgid resumed>) = 0 [pid 5150] <... setpgid resumed>) = 0 [pid 5149] <... mmap resumed>) = 0x20fff000 [pid 5007] close(3 [pid 5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5149] exit_group(0 [pid 5146] <... mmap resumed>) = 0x20fff000 [pid 5007] <... close resumed>) = 0 [pid 5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5150] <... openat resumed>) = 3 [pid 5149] <... exit_group resumed>) = ? [pid 5146] exit_group(0 [pid 5007] rmdir("./22" [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5151] <... openat resumed>) = 3 [pid 5150] write(3, "1000", 4 [pid 5146] <... exit_group resumed>) = ? [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5151] write(3, "1000", 4 [pid 5150] <... write resumed>) = 4 [pid 5149] +++ exited with 0 +++ [pid 5007] <... rmdir resumed>) = 0 [pid 5150] close(3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] mkdir("./23", 0777 [pid 5151] <... write resumed>) = 4 [pid 5150] <... close resumed>) = 0 [pid 5146] +++ exited with 0 +++ [pid 5007] <... mkdir resumed>) = 0 [pid 5006] <... restart_syscall resumed>) = 0 [pid 5151] close(3 [pid 5150] symlink("/dev/binderfs", "./binderfs" [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5151] <... close resumed>) = 0 [pid 5150] <... symlink resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5152 attached [pid 5151] symlink("/dev/binderfs", "./binderfs" [pid 5150] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5152] chdir("./23" [pid 5151] <... symlink resumed>) = 0 [pid 5009] <... restart_syscall resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5152 [pid 5006] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5152] <... chdir resumed>) = 0 [pid 5151] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5150] <... openat resumed>) = 3 [pid 5008] <... openat resumed>) = 3 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5151] <... openat resumed>) = 3 [pid 5150] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] fstat(3, [pid 5006] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5152] <... prctl resumed>) = 0 [pid 5151] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... openat resumed>) = 3 [pid 5152] setpgid(0, 0 [pid 5151] <... mmap resumed>) = 0x20fff000 [pid 5150] <... mmap resumed>) = 0x20fff000 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] fstat(3, [pid 5152] <... setpgid resumed>) = 0 [pid 5151] exit_group(0 [pid 5150] exit_group(0 [pid 5009] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] getdents64(3, [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5151] <... exit_group resumed>) = ? [pid 5150] <... exit_group resumed>) = ? [pid 5009] <... openat resumed>) = 3 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] getdents64(3, [pid 5152] <... openat resumed>) = 3 [pid 5151] +++ exited with 0 +++ [pid 5009] fstat(3, [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] getdents64(3, [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] lstat("./22/binderfs", [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5152] write(3, "1000", 4 [pid 5150] +++ exited with 0 +++ [pid 5009] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5152] <... write resumed>) = 4 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./22/binderfs", [pid 5006] unlink("./22/binderfs" [pid 5152] close(3 [pid 5009] lstat("./23/binderfs", [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5005] umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5152] <... close resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./22/binderfs" [pid 5006] getdents64(3, [pid 5152] symlink("/dev/binderfs", "./binderfs" [pid 5010] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] unlink("./23/binderfs" [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5152] <... symlink resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... unlink resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5006] close(3 [pid 5005] openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5152] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] getdents64(3, [pid 5008] getdents64(3, [pid 5006] <... close resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5152] <... openat resumed>) = 3 [pid 5010] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] rmdir("./22" [pid 5005] fstat(3, [pid 5152] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] fstat(3, [pid 5009] close(3 [pid 5008] close(3 [pid 5006] <... rmdir resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... close resumed>) = 0 [pid 5006] mkdir("./23", 0777 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5152] <... mmap resumed>) = 0x20fff000 [pid 5010] getdents64(3, [pid 5009] rmdir("./23" [pid 5008] <... close resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] getdents64(3, [pid 5152] exit_group(0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] rmdir("./22" [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5153 attached [pid 5152] <... exit_group resumed>) = ? [pid 5010] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] mkdir("./24", 0777 [pid 5008] <... rmdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... mkdir resumed>) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5153 [pid 5010] lstat("./26/binderfs", [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5154 attached [pid 5153] chdir("./23" [pid 5152] +++ exited with 0 +++ [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] mkdir("./23", 0777 [pid 5005] umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] unlink("./26/binderfs" [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5154 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] <... unlink resumed>) = 0 [pid 5010] getdents64(3, [pid 5008] <... mkdir resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] close(3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./20/binderfs", [pid 5153] <... chdir resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5155 attached [pid 5154] chdir("./24" [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] rmdir("./26" [pid 5007] <... openat resumed>) = 3 [pid 5005] unlink("./20/binderfs" [pid 5155] chdir("./23" [pid 5154] <... chdir resumed>) = 0 [pid 5153] <... prctl resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5155 [pid 5007] fstat(3, [pid 5155] <... chdir resumed>) = 0 [pid 5154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5153] setpgid(0, 0 [pid 5010] mkdir("./27", 0777 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5153] <... setpgid resumed>) = 0 [pid 5005] getdents64(3, [pid 5155] <... prctl resumed>) = 0 [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... mkdir resumed>) = 0 [pid 5007] getdents64(3, [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5155] setpgid(0, 0 [pid 5154] <... prctl resumed>) = 0 [pid 5153] <... openat resumed>) = 3 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] close(3 [pid 5155] <... setpgid resumed>) = 0 [pid 5153] write(3, "1000", 4 [pid 5005] <... close resumed>) = 0 [pid 5155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5153] <... write resumed>) = 4 [pid 5005] rmdir("./20"./strace-static-x86_64: Process 5156 attached [pid 5155] <... openat resumed>) = 3 [pid 5154] setpgid(0, 0 [pid 5153] close(3 [pid 5007] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... rmdir resumed>) = 0 [pid 5155] write(3, "1000", 4 [pid 5154] <... setpgid resumed>) = 0 [pid 5153] <... close resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5156 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] mkdir("./21", 0777 [pid 5155] <... write resumed>) = 4 [pid 5154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5153] symlink("/dev/binderfs", "./binderfs" [pid 5007] lstat("./23/binderfs", [pid 5005] <... mkdir resumed>) = 0 [pid 5155] close(3 [pid 5154] <... openat resumed>) = 3 [pid 5153] <... symlink resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5156] chdir("./27" [pid 5155] <... close resumed>) = 0 [pid 5154] write(3, "1000", 4 [pid 5153] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5007] unlink("./23/binderfs" [pid 5156] <... chdir resumed>) = 0 [pid 5154] <... write resumed>) = 4 [pid 5007] <... unlink resumed>) = 0 [pid 5156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5155] symlink("/dev/binderfs", "./binderfs" [pid 5154] close(3 [pid 5153] <... openat resumed>) = 3 [pid 5007] getdents64(3, [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5157 ./strace-static-x86_64: Process 5157 attached [pid 5156] <... prctl resumed>) = 0 [pid 5155] <... symlink resumed>) = 0 [pid 5154] <... close resumed>) = 0 [pid 5153] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5156] setpgid(0, 0 [pid 5155] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5154] symlink("/dev/binderfs", "./binderfs" [pid 5007] close(3 [pid 5156] <... setpgid resumed>) = 0 [pid 5155] <... openat resumed>) = 3 [pid 5154] <... symlink resumed>) = 0 [pid 5153] <... mmap resumed>) = 0x20fff000 [pid 5007] <... close resumed>) = 0 [pid 5157] chdir("./21" [pid 5156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5155] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5154] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5153] exit_group(0 [pid 5007] rmdir("./23" [pid 5157] <... chdir resumed>) = 0 [pid 5156] <... openat resumed>) = 3 [pid 5155] <... mmap resumed>) = 0x20fff000 [pid 5154] <... openat resumed>) = 3 [pid 5153] <... exit_group resumed>) = ? [pid 5007] <... rmdir resumed>) = 0 [pid 5157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5156] write(3, "1000", 4 [pid 5155] exit_group(0 [pid 5154] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] mkdir("./24", 0777 [pid 5157] <... prctl resumed>) = 0 [pid 5156] <... write resumed>) = 4 [pid 5155] <... exit_group resumed>) = ? [pid 5154] <... mmap resumed>) = 0x20fff000 [pid 5153] +++ exited with 0 +++ [pid 5007] <... mkdir resumed>) = 0 [pid 5157] setpgid(0, 0 [pid 5156] close(3 [pid 5154] exit_group(0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5158 attached [pid 5157] <... setpgid resumed>) = 0 [pid 5156] <... close resumed>) = 0 [pid 5155] +++ exited with 0 +++ [pid 5154] <... exit_group resumed>) = ? [pid 5158] chdir("./24" [pid 5157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5156] symlink("/dev/binderfs", "./binderfs" [pid 5154] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5158 [pid 5158] <... chdir resumed>) = 0 [pid 5157] <... openat resumed>) = 3 [pid 5156] <... symlink resumed>) = 0 [pid 5158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5157] write(3, "1000", 4 [pid 5156] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5158] <... prctl resumed>) = 0 [pid 5157] <... write resumed>) = 4 [pid 5156] <... openat resumed>) = 3 [pid 5009] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5157] close(3 [pid 5156] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5157] <... close resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5156] <... mmap resumed>) = 0x20fff000 [pid 5009] <... openat resumed>) = 3 [pid 5008] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5157] symlink("/dev/binderfs", "./binderfs" [pid 5156] exit_group(0 [pid 5009] fstat(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... openat resumed>) = 3 [pid 5157] <... symlink resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5156] <... exit_group resumed>) = ? [pid 5006] fstat(3, [pid 5158] setpgid(0, 0 [pid 5157] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] getdents64(3, [pid 5008] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] fstat(3, [pid 5009] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5157] <... openat resumed>) = 3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(3, [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5158] <... setpgid resumed>) = 0 [pid 5157] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5156] +++ exited with 0 +++ [pid 5009] lstat("./24/binderfs", [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] getdents64(3, [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5157] <... mmap resumed>) = 0x20fff000 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] unlink("./24/binderfs" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5158] <... openat resumed>) = 3 [pid 5157] exit_group(0 [pid 5010] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... unlink resumed>) = 0 [pid 5008] lstat("./23/binderfs", [pid 5006] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5158] write(3, "1000", 4 [pid 5157] <... exit_group resumed>) = ? [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] getdents64(3, [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] unlink("./23/binderfs" [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5158] <... write resumed>) = 4 [pid 5157] +++ exited with 0 +++ [pid 5010] <... openat resumed>) = 3 [pid 5009] close(3 [pid 5008] <... unlink resumed>) = 0 [pid 5006] lstat("./23/binderfs", [pid 5158] close(3 [pid 5010] fstat(3, [pid 5009] <... close resumed>) = 0 [pid 5008] getdents64(3, [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5158] <... close resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] rmdir("./24" [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5158] symlink("/dev/binderfs", "./binderfs" [pid 5010] getdents64(3, [pid 5009] <... rmdir resumed>) = 0 [pid 5008] close(3 [pid 5158] <... symlink resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] mkdir("./25", 0777 [pid 5008] <... close resumed>) = 0 [pid 5006] unlink("./23/binderfs" [pid 5158] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... mkdir resumed>) = 0 [pid 5008] rmdir("./23" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... rmdir resumed>) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5005] umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5158] <... openat resumed>) = 3 [pid 5010] lstat("./27/binderfs", [pid 5008] mkdir("./24", 0777 [pid 5006] getdents64(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5159 attached [pid 5158] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5159 [pid 5008] <... mkdir resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] unlink("./27/binderfs" [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5160 attached [pid 5159] chdir("./25" [pid 5158] <... mmap resumed>) = 0x20fff000 [pid 5010] <... unlink resumed>) = 0 [pid 5006] close(3 [pid 5005] <... openat resumed>) = 3 [pid 5158] exit_group(0 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5160 [pid 5158] <... exit_group resumed>) = ? [pid 5010] getdents64(3, [pid 5006] <... close resumed>) = 0 [pid 5005] fstat(3, [pid 5159] <... chdir resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] rmdir("./23" [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5159] setpgid(0, 0) = 0 [pid 5159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5006] <... rmdir resumed>) = 0 [pid 5159] <... openat resumed>) = 3 [pid 5158] +++ exited with 0 +++ [pid 5010] close(3 [pid 5005] getdents64(3, [pid 5159] write(3, "1000", 4 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] <... close resumed>) = 0 [pid 5159] <... write resumed>) = 4 [pid 5010] rmdir("./27" [pid 5006] mkdir("./24", 0777 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5159] close(3) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5007] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5159] symlink("/dev/binderfs", "./binderfs" [pid 5010] mkdir("./28", 0777 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... mkdir resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5160] chdir("./24" [pid 5159] <... symlink resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5159] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... mkdir resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] lstat("./21/binderfs", [pid 5160] <... chdir resumed>) = 0 [pid 5159] <... openat resumed>) = 3 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] fstat(3, [pid 5159] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5159] <... mmap resumed>) = 0x20fff000 [pid 5007] getdents64(3, [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5159] exit_group(0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5161 [pid 5005] unlink("./21/binderfs" [pid 5159] <... exit_group resumed>) = ? [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5162 [pid 5007] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5161 attached [pid 5160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5159] +++ exited with 0 +++ [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... unlink resumed>) = 0 [pid 5160] <... prctl resumed>) = 0 [pid 5007] lstat("./24/binderfs", [pid 5005] getdents64(3, [pid 5161] chdir("./24" [pid 5160] setpgid(0, 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5162 attached [pid 5161] <... chdir resumed>) = 0 [pid 5160] <... setpgid resumed>) = 0 [pid 5009] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] unlink("./24/binderfs" [pid 5005] close(3 [pid 5162] chdir("./28" [pid 5161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... unlink resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5162] <... chdir resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] getdents64(3, [pid 5005] rmdir("./21" [pid 5162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5161] <... prctl resumed>) = 0 [pid 5160] <... openat resumed>) = 3 [pid 5009] <... openat resumed>) = 3 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5162] <... prctl resumed>) = 0 [pid 5009] fstat(3, [pid 5007] close(3 [pid 5005] <... rmdir resumed>) = 0 [pid 5162] setpgid(0, 0 [pid 5161] setpgid(0, 0 [pid 5160] write(3, "1000", 4 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... close resumed>) = 0 [pid 5005] mkdir("./22", 0777 [pid 5162] <... setpgid resumed>) = 0 [pid 5161] <... setpgid resumed>) = 0 [pid 5160] <... write resumed>) = 4 [pid 5009] getdents64(3, [pid 5007] rmdir("./24" [pid 5162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5160] close(3 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... rmdir resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5162] <... openat resumed>) = 3 [pid 5161] <... openat resumed>) = 3 [pid 5160] <... close resumed>) = 0 [pid 5009] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] mkdir("./25", 0777 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5163 attached [pid 5162] write(3, "1000", 4 [pid 5161] write(3, "1000", 4 [pid 5160] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... mkdir resumed>) = 0 [pid 5162] <... write resumed>) = 4 [pid 5161] <... write resumed>) = 4 [pid 5009] lstat("./25/binderfs", [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5160] <... symlink resumed>) = 0 [pid 5163] chdir("./22" [pid 5162] close(3 [pid 5161] close(3 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5163 ./strace-static-x86_64: Process 5164 attached [pid 5163] <... chdir resumed>) = 0 [pid 5162] <... close resumed>) = 0 [pid 5161] <... close resumed>) = 0 [pid 5160] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] unlink("./25/binderfs" [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5164 [pid 5164] chdir("./25" [pid 5163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5162] symlink("/dev/binderfs", "./binderfs" [pid 5161] symlink("/dev/binderfs", "./binderfs" [pid 5160] <... openat resumed>) = 3 [pid 5009] <... unlink resumed>) = 0 [pid 5164] <... chdir resumed>) = 0 [pid 5163] <... prctl resumed>) = 0 [pid 5162] <... symlink resumed>) = 0 [pid 5161] <... symlink resumed>) = 0 [pid 5160] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] getdents64(3, [pid 5164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5163] setpgid(0, 0 [pid 5162] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5161] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5164] <... prctl resumed>) = 0 [pid 5163] <... setpgid resumed>) = 0 [pid 5162] <... openat resumed>) = 3 [pid 5161] <... openat resumed>) = 3 [pid 5160] <... mmap resumed>) = 0x20fff000 [pid 5009] close(3 [pid 5164] setpgid(0, 0 [pid 5162] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5161] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5160] exit_group(0 [pid 5009] <... close resumed>) = 0 [pid 5164] <... setpgid resumed>) = 0 [pid 5162] <... mmap resumed>) = 0x20fff000 [pid 5009] rmdir("./25" [pid 5164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5163] <... openat resumed>) = 3 [pid 5162] exit_group(0 [pid 5161] <... mmap resumed>) = 0x20fff000 [pid 5160] <... exit_group resumed>) = ? [pid 5009] <... rmdir resumed>) = 0 [pid 5164] <... openat resumed>) = 3 [pid 5163] write(3, "1000", 4 [pid 5162] <... exit_group resumed>) = ? [pid 5161] exit_group(0 [pid 5009] mkdir("./26", 0777 [pid 5164] write(3, "1000", 4 [pid 5009] <... mkdir resumed>) = 0 [pid 5164] <... write resumed>) = 4 [pid 5162] +++ exited with 0 +++ [pid 5161] <... exit_group resumed>) = ? [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5165 attached [pid 5164] close(3 [pid 5163] <... write resumed>) = 4 [pid 5161] +++ exited with 0 +++ [pid 5160] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5165] chdir("./26" [pid 5164] <... close resumed>) = 0 [pid 5163] close(3 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5165 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5161, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5165] <... chdir resumed>) = 0 [pid 5164] symlink("/dev/binderfs", "./binderfs" [pid 5163] <... close resumed>) = 0 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5164] <... symlink resumed>) = 0 [pid 5163] symlink("/dev/binderfs", "./binderfs" [pid 5008] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... restart_syscall resumed>) = 0 [pid 5165] <... prctl resumed>) = 0 [pid 5164] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5163] <... symlink resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5165] setpgid(0, 0 [pid 5164] <... openat resumed>) = 3 [pid 5163] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5165] <... setpgid resumed>) = 0 [pid 5164] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5163] <... openat resumed>) = 3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 3 [pid 5164] <... mmap resumed>) = 0x20fff000 [pid 5010] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] fstat(3, [pid 5006] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5164] exit_group(0 [pid 5163] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... openat resumed>) = 3 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5164] <... exit_group resumed>) = ? [pid 5163] <... mmap resumed>) = 0x20fff000 [pid 5010] fstat(3, [pid 5008] getdents64(3, [pid 5006] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5163] exit_group(0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5164] +++ exited with 0 +++ [pid 5163] <... exit_group resumed>) = ? [pid 5010] getdents64(3, [pid 5008] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... openat resumed>) = 3 [pid 5165] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5164, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5006] fstat(3, [pid 5165] write(3, "1000", 4 [pid 5163] +++ exited with 0 +++ [pid 5010] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./24/binderfs", [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5165] <... write resumed>) = 4 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] getdents64(3, [pid 5165] close(3 [pid 5010] lstat("./28/binderfs", [pid 5008] unlink("./24/binderfs" [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5165] <... close resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5165] symlink("/dev/binderfs", "./binderfs" [pid 5010] unlink("./28/binderfs" [pid 5008] <... unlink resumed>) = 0 [pid 5006] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5165] <... symlink resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5008] getdents64(3, [pid 5007] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5165] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] getdents64(3, [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./24/binderfs", [pid 5005] openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5165] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5007] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5165] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] close(3 [pid 5008] <... close resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5010] <... close resumed>) = 0 [pid 5008] rmdir("./24" [pid 5007] <... openat resumed>) = 3 [pid 5006] unlink("./24/binderfs" [pid 5010] rmdir("./28" [pid 5005] fstat(3, [pid 5008] <... rmdir resumed>) = 0 [pid 5007] fstat(3, [pid 5006] <... unlink resumed>) = 0 [pid 5165] <... mmap resumed>) = 0x20fff000 [pid 5010] <... rmdir resumed>) = 0 [pid 5008] mkdir("./25", 0777 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5165] exit_group(0 [pid 5010] mkdir("./29", 0777 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] getdents64(3, [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] getdents64(3, [pid 5165] <... exit_group resumed>) = ? [pid 5010] <... mkdir resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] close(3 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5166 attached [pid 5007] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... close resumed>) = 0 [pid 5005] umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5166 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] rmdir("./24" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5167 attached [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5167 [pid 5166] chdir("./25" [pid 5007] lstat("./25/binderfs", [pid 5006] <... rmdir resumed>) = 0 [pid 5005] lstat("./22/binderfs", [pid 5167] chdir("./29" [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5167] <... chdir resumed>) = 0 [pid 5165] +++ exited with 0 +++ [pid 5007] unlink("./25/binderfs" [pid 5006] mkdir("./25", 0777 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5166] <... chdir resumed>) = 0 [pid 5166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] <... unlink resumed>) = 0 [pid 5167] <... prctl resumed>) = 0 [pid 5166] <... prctl resumed>) = 0 [pid 5009] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] getdents64(3, [pid 5006] <... mkdir resumed>) = 0 [pid 5005] unlink("./22/binderfs" [pid 5167] setpgid(0, 0 [pid 5166] setpgid(0, 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5167] <... setpgid resumed>) = 0 [pid 5166] <... setpgid resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] close(3 [pid 5005] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5168 attached [pid 5167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 5005] getdents64(3, [pid 5167] <... openat resumed>) = 3 [pid 5166] <... openat resumed>) = 3 [pid 5009] fstat(3, [pid 5007] rmdir("./25" [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5168 [pid 5167] write(3, "1000", 4 [pid 5166] write(3, "1000", 4 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5166] <... write resumed>) = 4 [pid 5009] getdents64(3, [pid 5166] close(3 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... rmdir resumed>) = 0 [pid 5167] <... write resumed>) = 4 [pid 5166] <... close resumed>) = 0 [pid 5009] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] mkdir("./26", 0777 [pid 5005] close(3 [pid 5167] close(3 [pid 5166] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5167] <... close resumed>) = 0 [pid 5166] <... symlink resumed>) = 0 [pid 5009] lstat("./26/binderfs", [pid 5007] <... mkdir resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5168] chdir("./25" [pid 5167] symlink("/dev/binderfs", "./binderfs" [pid 5166] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] rmdir("./22" [pid 5168] <... chdir resumed>) = 0 [pid 5167] <... symlink resumed>) = 0 [pid 5166] <... openat resumed>) = 3 [pid 5009] unlink("./26/binderfs" [pid 5166] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... unlink resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5166] <... mmap resumed>) = 0x20fff000 [pid 5009] getdents64(3, [pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5167] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5166] exit_group(0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5169 [pid 5005] mkdir("./23", 0777 [pid 5168] <... prctl resumed>) = 0 [pid 5167] <... openat resumed>) = 3 [pid 5166] <... exit_group resumed>) = ? [pid 5009] close(3 [pid 5168] setpgid(0, 0 [pid 5167] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5166] +++ exited with 0 +++ [pid 5009] <... close resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5169 attached [pid 5168] <... setpgid resumed>) = 0 [pid 5009] rmdir("./26" [pid 5169] chdir("./26" [pid 5168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5167] <... mmap resumed>) = 0x20fff000 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5169] <... chdir resumed>) = 0 [pid 5167] exit_group(0 [pid 5009] mkdir("./27", 0777 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5167] <... exit_group resumed>) = ? [pid 5009] <... mkdir resumed>) = 0 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5168] <... openat resumed>) = 3 [pid 5169] <... prctl resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5170 ./strace-static-x86_64: Process 5171 attached [pid 5169] setpgid(0, 0 [pid 5168] write(3, "1000", 4 [pid 5167] +++ exited with 0 +++ [pid 5171] chdir("./27" [pid 5169] <... setpgid resumed>) = 0 [pid 5168] <... write resumed>) = 4 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5171 [pid 5008] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5170 attached [pid 5171] <... chdir resumed>) = 0 [pid 5169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5168] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5171] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5170] chdir("./23" [pid 5169] <... openat resumed>) = 3 [pid 5008] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5171] <... prctl resumed>) = 0 [pid 5170] <... chdir resumed>) = 0 [pid 5169] write(3, "1000", 4 [pid 5168] <... close resumed>) = 0 [pid 5010] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5171] setpgid(0, 0 [pid 5170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5169] <... write resumed>) = 4 [pid 5168] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 3 [pid 5170] <... prctl resumed>) = 0 [pid 5169] close(3 [pid 5170] setpgid(0, 0 [pid 5169] <... close resumed>) = 0 [pid 5170] <... setpgid resumed>) = 0 [pid 5169] symlink("/dev/binderfs", "./binderfs" [pid 5171] <... setpgid resumed>) = 0 [pid 5170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5169] <... symlink resumed>) = 0 [pid 5168] <... symlink resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] fstat(3, [pid 5170] <... openat resumed>) = 3 [pid 5169] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5168] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... openat resumed>) = 3 [pid 5171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5170] write(3, "1000", 4 [pid 5169] <... openat resumed>) = 3 [pid 5168] <... openat resumed>) = 3 [pid 5010] fstat(3, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5171] <... openat resumed>) = 3 [pid 5170] <... write resumed>) = 4 [pid 5169] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5168] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, [pid 5171] write(3, "1000", 4 [pid 5170] close(3) = 0 [pid 5169] <... mmap resumed>) = 0x20fff000 [pid 5010] getdents64(3, [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5170] symlink("/dev/binderfs", "./binderfs" [pid 5169] exit_group(0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5171] <... write resumed>) = 4 [pid 5170] <... symlink resumed>) = 0 [pid 5169] <... exit_group resumed>) = ? [pid 5168] <... mmap resumed>) = 0x20fff000 [pid 5010] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5171] close(3 [pid 5170] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5170] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5169] +++ exited with 0 +++ [pid 5171] <... close resumed>) = 0 [pid 5170] <... mmap resumed>) = 0x20fff000 [pid 5168] exit_group(0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./25/binderfs", [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5171] symlink("/dev/binderfs", "./binderfs" [pid 5170] exit_group(0 [pid 5168] <... exit_group resumed>) = ? [pid 5010] lstat("./29/binderfs", [pid 5171] <... symlink resumed>) = 0 [pid 5170] <... exit_group resumed>) = ? [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5171] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5170] +++ exited with 0 +++ [pid 5168] +++ exited with 0 +++ [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./25/binderfs" [pid 5010] unlink("./29/binderfs" [pid 5008] <... unlink resumed>) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] <... unlink resumed>) = 0 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5008] getdents64(3, [pid 5010] getdents64(3, [pid 5005] <... restart_syscall resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5171] <... openat resumed>) = 3 [pid 5010] close(3 [pid 5171] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] <... close resumed>) = 0 [pid 5007] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... close resumed>) = 0 [pid 5008] rmdir("./25" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] rmdir("./29" [pid 5005] umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5171] <... mmap resumed>) = 0x20fff000 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... rmdir resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5006] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] fstat(3, [pid 5005] openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] mkdir("./30", 0777 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... openat resumed>) = 3 [pid 5171] exit_group(0) = ? [pid 5171] +++ exited with 0 +++ [pid 5010] <... mkdir resumed>) = 0 [pid 5008] mkdir("./26", 0777 [pid 5007] getdents64(3, [pid 5006] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] fstat(3, [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... openat resumed>) = 3 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] fstat(3, [pid 5005] getdents64(3, [pid 5009] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... mkdir resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] getdents64(3, [pid 5005] umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... openat resumed>) = 3 [pid 5009] fstat(3, [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] lstat("./26/binderfs", [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5172 ./strace-static-x86_64: Process 5173 attached [pid 5009] getdents64(3, [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5173 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] lstat("./23/binderfs", [pid 5173] chdir("./26" [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] unlink("./26/binderfs" [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5173] <... chdir resumed>) = 0 [pid 5009] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... unlink resumed>) = 0 [pid 5006] lstat("./25/binderfs", [pid 5005] unlink("./23/binderfs" [pid 5173] <... prctl resumed>) = 0 [pid 5009] lstat("./27/binderfs", [pid 5007] getdents64(3, [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5173] setpgid(0, 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] unlink("./25/binderfs" [pid 5005] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5172 attached [pid 5173] <... setpgid resumed>) = 0 [pid 5009] unlink("./27/binderfs" [pid 5007] close(3 [pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5006] <... unlink resumed>) = 0 [pid 5005] getdents64(3, [pid 5173] <... openat resumed>) = 3 [pid 5009] <... unlink resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5006] getdents64(3, [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5173] write(3, "1000", 4 [pid 5172] chdir("./30" [pid 5009] getdents64(3, [pid 5007] rmdir("./26" [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] close(3 [pid 5173] <... write resumed>) = 4 [pid 5172] <... chdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5173] close(3 [pid 5172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... rmdir resumed>) = 0 [pid 5009] close(3 [pid 5006] close(3 [pid 5005] <... close resumed>) = 0 [pid 5173] <... close resumed>) = 0 [pid 5172] <... prctl resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5007] mkdir("./27", 0777 [pid 5006] <... close resumed>) = 0 [pid 5173] symlink("/dev/binderfs", "./binderfs" [pid 5172] setpgid(0, 0 [pid 5009] rmdir("./27" [pid 5005] rmdir("./23" [pid 5007] <... mkdir resumed>) = 0 [pid 5006] rmdir("./25" [pid 5009] <... rmdir resumed>) = 0 [pid 5173] <... symlink resumed>) = 0 [pid 5172] <... setpgid resumed>) = 0 [pid 5009] mkdir("./28", 0777 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... rmdir resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5173] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... mkdir resumed>) = 0 [pid 5006] mkdir("./26", 0777 [pid 5005] mkdir("./24", 0777./strace-static-x86_64: Process 5174 attached ) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5174 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5173] <... openat resumed>) = 3 [pid 5174] chdir("./27" [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5174] <... chdir resumed>) = 0 [pid 5174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5176 [pid 5174] setpgid(0, 0 [pid 5173] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5175 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5177 [pid 5174] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5177 attached ./strace-static-x86_64: Process 5176 attached [pid 5174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5173] <... mmap resumed>) = 0x20fff000 [pid 5172] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5175 attached [pid 5177] chdir("./26" [pid 5176] chdir("./24" [pid 5174] <... openat resumed>) = 3 [pid 5173] exit_group(0 [pid 5172] write(3, "1000", 4 [pid 5177] <... chdir resumed>) = 0 [pid 5176] <... chdir resumed>) = 0 [pid 5175] chdir("./28" [pid 5174] write(3, "1000", 4 [pid 5173] <... exit_group resumed>) = ? [pid 5172] <... write resumed>) = 4 [pid 5177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5175] <... chdir resumed>) = 0 [pid 5174] <... write resumed>) = 4 [pid 5175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5174] close(3 [pid 5173] +++ exited with 0 +++ [pid 5172] close(3 [pid 5177] <... prctl resumed>) = 0 [pid 5176] <... prctl resumed>) = 0 [pid 5177] setpgid(0, 0 [pid 5175] <... prctl resumed>) = 0 [pid 5174] <... close resumed>) = 0 [pid 5176] setpgid(0, 0 [pid 5172] <... close resumed>) = 0 [pid 5177] <... setpgid resumed>) = 0 [pid 5176] <... setpgid resumed>) = 0 [pid 5175] setpgid(0, 0 [pid 5174] symlink("/dev/binderfs", "./binderfs" [pid 5172] symlink("/dev/binderfs", "./binderfs" [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5175] <... setpgid resumed>) = 0 [pid 5174] <... symlink resumed>) = 0 [pid 5172] <... symlink resumed>) = 0 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5177] <... openat resumed>) = 3 [pid 5176] <... openat resumed>) = 3 [pid 5175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5174] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5172] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] <... restart_syscall resumed>) = 0 [pid 5177] write(3, "1000", 4 [pid 5176] write(3, "1000", 4 [pid 5175] <... openat resumed>) = 3 [pid 5174] <... openat resumed>) = 3 [pid 5172] <... openat resumed>) = 3 [pid 5177] <... write resumed>) = 4 [pid 5176] <... write resumed>) = 4 [pid 5175] write(3, "1000", 4 [pid 5174] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5172] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5177] close(3 [pid 5176] close(3 [pid 5175] <... write resumed>) = 4 [pid 5174] <... mmap resumed>) = 0x20fff000 [pid 5172] <... mmap resumed>) = 0x20fff000 [pid 5177] <... close resumed>) = 0 [pid 5176] <... close resumed>) = 0 [pid 5175] close(3 [pid 5174] exit_group(0 [pid 5172] exit_group(0 [pid 5008] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5177] symlink("/dev/binderfs", "./binderfs" [pid 5176] symlink("/dev/binderfs", "./binderfs" [pid 5175] <... close resumed>) = 0 [pid 5174] <... exit_group resumed>) = ? [pid 5172] <... exit_group resumed>) = ? [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5177] <... symlink resumed>) = 0 [pid 5176] <... symlink resumed>) = 0 [pid 5175] symlink("/dev/binderfs", "./binderfs" [pid 5174] +++ exited with 0 +++ [pid 5008] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5177] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5176] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5175] <... symlink resumed>) = 0 [pid 5172] +++ exited with 0 +++ [pid 5008] <... openat resumed>) = 3 [pid 5177] <... openat resumed>) = 3 [pid 5176] <... openat resumed>) = 3 [pid 5175] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] fstat(3, [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5177] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5176] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5175] <... openat resumed>) = 3 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5175] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] getdents64(3, [pid 5007] <... restart_syscall resumed>) = 0 [pid 5177] <... mmap resumed>) = 0x20fff000 [pid 5176] <... mmap resumed>) = 0x20fff000 [pid 5175] <... mmap resumed>) = 0x20fff000 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5177] exit_group(0 [pid 5176] exit_group(0 [pid 5175] exit_group(0 [pid 5008] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5177] <... exit_group resumed>) = ? [pid 5176] <... exit_group resumed>) = ? [pid 5175] <... exit_group resumed>) = ? [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5175] +++ exited with 0 +++ [pid 5010] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./26/binderfs", [pid 5007] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5177] +++ exited with 0 +++ [pid 5176] +++ exited with 0 +++ [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] unlink("./26/binderfs" [pid 5010] <... openat resumed>) = 3 [pid 5009] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... unlink resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] fstat(3, [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(3, [pid 5007] <... openat resumed>) = 3 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] fstat(3, [pid 5006] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] getdents64(3, [pid 5009] <... openat resumed>) = 3 [pid 5008] close(3 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] fstat(3, [pid 5008] <... close resumed>) = 0 [pid 5007] getdents64(3, [pid 5006] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] rmdir("./26" [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... openat resumed>) = 3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] getdents64(3, [pid 5007] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] fstat(3, [pid 5010] lstat("./30/binderfs", [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] mkdir("./27", 0777 [pid 5007] lstat("./27/binderfs", [pid 5006] getdents64(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] unlink("./30/binderfs" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... unlink resumed>) = 0 [pid 5009] lstat("./28/binderfs", [pid 5008] <... mkdir resumed>) = 0 [pid 5007] unlink("./27/binderfs" [pid 5006] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... openat resumed>) = 3 [pid 5010] getdents64(3, [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... unlink resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(3, [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] unlink("./28/binderfs" [pid 5007] getdents64(3, [pid 5006] lstat("./26/binderfs", [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] close(3 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] getdents64(3, [pid 5010] <... close resumed>) = 0 [pid 5007] close(3 [pid 5006] unlink("./26/binderfs" [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] rmdir("./30" [pid 5009] <... unlink resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5178 [pid 5007] <... close resumed>) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5005] umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5178 attached [pid 5010] <... rmdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5007] rmdir("./27" [pid 5006] getdents64(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5178] chdir("./27" [pid 5010] mkdir("./31", 0777 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5178] <... chdir resumed>) = 0 [pid 5009] close(3 [pid 5178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... close resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] lstat("./24/binderfs", [pid 5178] <... prctl resumed>) = 0 [pid 5009] rmdir("./28" [pid 5178] setpgid(0, 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5007] mkdir("./28", 0777 [pid 5006] close(3 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5178] <... setpgid resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] mkdir("./29", 0777 [pid 5178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... mkdir resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5005] unlink("./24/binderfs" [pid 5178] <... openat resumed>) = 3 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] rmdir("./26"./strace-static-x86_64: Process 5180 attached ./strace-static-x86_64: Process 5179 attached [pid 5178] write(3, "1000", 4 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5179 [pid 5005] <... unlink resumed>) = 0 [pid 5178] <... write resumed>) = 4 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5180 [pid 5178] close(3) = 0 [pid 5178] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5178] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5181 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] getdents64(3, [pid 5179] chdir("./31" [pid 5178] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5180] chdir("./29" [pid 5179] <... chdir resumed>) = 0 [pid 5178] <... mmap resumed>) = 0x20fff000 [pid 5006] mkdir("./27", 0777 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5178] exit_group(0 [pid 5005] close(3./strace-static-x86_64: Process 5181 attached [pid 5178] <... exit_group resumed>) = ? [pid 5181] chdir("./28" [pid 5180] <... chdir resumed>) = 0 [pid 5179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5178] +++ exited with 0 +++ [pid 5006] <... mkdir resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5181] <... chdir resumed>) = 0 [pid 5179] <... prctl resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] rmdir("./24" [pid 5181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5179] setpgid(0, 0 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5181] <... prctl resumed>) = 0 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5181] setpgid(0, 0) = 0 [pid 5181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5182 [pid 5005] <... rmdir resumed>) = 0 [pid 5179] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5182 attached [pid 5181] <... openat resumed>) = 3 [pid 5180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] mkdir("./25", 0777 [pid 5182] chdir("./27" [pid 5181] write(3, "1000", 4 [pid 5179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5182] <... chdir resumed>) = 0 [pid 5181] <... write resumed>) = 4 [pid 5008] <... openat resumed>) = 3 [pid 5005] <... mkdir resumed>) = 0 [pid 5182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5181] close(3 [pid 5179] <... openat resumed>) = 3 [pid 5180] <... prctl resumed>) = 0 [pid 5008] fstat(3, [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5182] <... prctl resumed>) = 0 [pid 5181] <... close resumed>) = 0 [pid 5180] setpgid(0, 0 [pid 5179] write(3, "1000", 4 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5182] setpgid(0, 0 [pid 5181] symlink("/dev/binderfs", "./binderfs" [pid 5008] getdents64(3, [pid 5182] <... setpgid resumed>) = 0 [pid 5181] <... symlink resumed>) = 0 [pid 5180] <... setpgid resumed>) = 0 [pid 5179] <... write resumed>) = 4 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 5183 attached [pid 5182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5181] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5179] close(3 [pid 5008] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5183 [pid 5183] chdir("./25" [pid 5182] <... openat resumed>) = 3 [pid 5181] <... openat resumed>) = 3 [pid 5180] <... openat resumed>) = 3 [pid 5179] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5183] <... chdir resumed>) = 0 [pid 5182] write(3, "1000", 4 [pid 5181] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5180] write(3, "1000", 4 [pid 5179] symlink("/dev/binderfs", "./binderfs" [pid 5008] lstat("./27/binderfs", [pid 5183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5182] <... write resumed>) = 4 [pid 5181] <... mmap resumed>) = 0x20fff000 [pid 5180] <... write resumed>) = 4 [pid 5179] <... symlink resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5183] <... prctl resumed>) = 0 [pid 5182] close(3 [pid 5181] exit_group(0 [pid 5180] close(3 [pid 5179] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] unlink("./27/binderfs" [pid 5183] setpgid(0, 0 [pid 5182] <... close resumed>) = 0 [pid 5181] <... exit_group resumed>) = ? [pid 5180] <... close resumed>) = 0 [pid 5179] <... openat resumed>) = 3 [pid 5183] <... setpgid resumed>) = 0 [pid 5180] symlink("/dev/binderfs", "./binderfs" [pid 5179] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] <... unlink resumed>) = 0 [pid 5183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5182] symlink("/dev/binderfs", "./binderfs" [pid 5181] +++ exited with 0 +++ [pid 5180] <... symlink resumed>) = 0 [pid 5179] <... mmap resumed>) = 0x20fff000 [pid 5008] getdents64(3, [pid 5183] <... openat resumed>) = 3 [pid 5182] <... symlink resumed>) = 0 [pid 5180] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5179] exit_group(0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5183] write(3, "1000", 4 [pid 5182] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5183] <... write resumed>) = 4 [pid 5182] <... openat resumed>) = 3 [pid 5180] <... openat resumed>) = 3 [pid 5179] <... exit_group resumed>) = ? [pid 5008] close(3 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5181, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5183] close(3 [pid 5182] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5180] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5179] +++ exited with 0 +++ [pid 5008] <... close resumed>) = 0 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5183] <... close resumed>) = 0 [pid 5182] <... mmap resumed>) = 0x20fff000 [pid 5180] <... mmap resumed>) = 0x20fff000 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] rmdir("./27" [pid 5007] <... restart_syscall resumed>) = 0 [pid 5183] symlink("/dev/binderfs", "./binderfs" [pid 5182] exit_group(0 [pid 5180] exit_group(0 [pid 5182] <... exit_group resumed>) = ? [pid 5183] <... symlink resumed>) = 0 [pid 5180] <... exit_group resumed>) = ? [pid 5008] <... rmdir resumed>) = 0 [pid 5182] +++ exited with 0 +++ [pid 5183] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] mkdir("./28", 0777 [pid 5183] <... openat resumed>) = 3 [pid 5180] +++ exited with 0 +++ [pid 5010] <... openat resumed>) = 3 [pid 5010] fstat(3, [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5183] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] getdents64(3, [pid 5183] <... mmap resumed>) = 0x20fff000 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5183] exit_group(0 [pid 5010] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./31/binderfs", [pid 5183] <... exit_group resumed>) = ? [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... restart_syscall resumed>) = 0 [pid 5010] unlink("./31/binderfs" [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5184 [pid 5010] <... unlink resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5010] getdents64(3, [pid 5007] fstat(3, [pid 5183] +++ exited with 0 +++ [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] close(3 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... close resumed>) = 0 [pid 5007] getdents64(3, [pid 5006] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5184 attached [pid 5010] rmdir("./31" [pid 5009] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5184] chdir("./28" [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5007] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... restart_syscall resumed>) = 0 [pid 5010] mkdir("./32", 0777 [pid 5009] fstat(3, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... openat resumed>) = 3 [pid 5184] <... chdir resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5006] fstat(3, [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] lstat("./28/binderfs", [pid 5005] umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, [pid 5184] <... prctl resumed>) = 0 [pid 5184] setpgid(0, 0 [pid 5006] getdents64(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5185 attached [pid 5184] <... setpgid resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5185 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5185] chdir("./32" [pid 5184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] unlink("./28/binderfs" [pid 5006] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5185] <... chdir resumed>) = 0 [pid 5184] <... openat resumed>) = 3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... openat resumed>) = 3 [pid 5185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5184] write(3, "1000", 4 [pid 5009] lstat("./29/binderfs", [pid 5007] <... unlink resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(3, [pid 5185] <... prctl resumed>) = 0 [pid 5184] <... write resumed>) = 4 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] lstat("./27/binderfs", [pid 5185] setpgid(0, 0 [pid 5184] close(3 [pid 5009] unlink("./29/binderfs" [pid 5007] getdents64(3, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5185] <... setpgid resumed>) = 0 [pid 5184] <... close resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5184] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... unlink resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] unlink("./27/binderfs" [pid 5005] getdents64(3, [pid 5185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5184] <... symlink resumed>) = 0 [pid 5009] getdents64(3, [pid 5007] close(3 [pid 5006] <... unlink resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... close resumed>) = 0 [pid 5005] umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] rmdir("./28" [pid 5009] close(3 [pid 5006] getdents64(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... close resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5005] lstat("./25/binderfs", [pid 5185] <... openat resumed>) = 3 [pid 5009] rmdir("./29" [pid 5007] mkdir("./29", 0777 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5185] write(3, "1000", 4 [pid 5184] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... rmdir resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5005] unlink("./25/binderfs" [pid 5009] mkdir("./30", 0777 [pid 5006] close(3 [pid 5185] <... write resumed>) = 4 [pid 5005] <... unlink resumed>) = 0 [pid 5185] close(3 [pid 5184] <... openat resumed>) = 3 [pid 5009] <... mkdir resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... close resumed>) = 0 [pid 5005] getdents64(3, [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5185] <... close resumed>) = 0 [pid 5185] symlink("/dev/binderfs", "./binderfs" [pid 5006] rmdir("./27" [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5185] <... symlink resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5186 [pid 5185] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC./strace-static-x86_64: Process 5186 attached ) = 3 [pid 5184] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5187 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] close(3 [pid 5185] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5184] <... mmap resumed>) = 0x20fff000 [pid 5006] mkdir("./28", 0777 [pid 5005] <... close resumed>) = 0 ./strace-static-x86_64: Process 5187 attached [pid 5186] chdir("./29" [pid 5185] exit_group(0 [pid 5184] exit_group(0 [pid 5185] <... exit_group resumed>) = ? [pid 5006] <... mkdir resumed>) = 0 [pid 5184] <... exit_group resumed>) = ? [pid 5005] rmdir("./25" [pid 5187] chdir("./30" [pid 5185] +++ exited with 0 +++ [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5187] <... chdir resumed>) = 0 [pid 5186] <... chdir resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5187] <... prctl resumed>) = 0 [pid 5186] <... prctl resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] mkdir("./26", 0777 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5187] setpgid(0, 0 [pid 5186] setpgid(0, 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5187] <... setpgid resumed>) = 0 [pid 5186] <... setpgid resumed>) = 0 [pid 5187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5188 attached ./strace-static-x86_64: Process 5189 attached [pid 5187] <... openat resumed>) = 3 [pid 5186] <... openat resumed>) = 3 [pid 5184] +++ exited with 0 +++ [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5188 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5189 [pid 5188] chdir("./28" [pid 5187] write(3, "1000", 4 [pid 5186] write(3, "1000", 4 [pid 5010] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5188] <... chdir resumed>) = 0 [pid 5189] chdir("./26" [pid 5187] <... write resumed>) = 4 [pid 5186] <... write resumed>) = 4 [pid 5188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5189] <... chdir resumed>) = 0 [pid 5187] close(3 [pid 5186] close(3 [pid 5010] <... openat resumed>) = 3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5184, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5188] <... prctl resumed>) = 0 [pid 5189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5187] <... close resumed>) = 0 [pid 5186] <... close resumed>) = 0 [pid 5008] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] fstat(3, [pid 5188] setpgid(0, 0 [pid 5189] <... prctl resumed>) = 0 [pid 5187] symlink("/dev/binderfs", "./binderfs" [pid 5186] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5188] <... setpgid resumed>) = 0 [pid 5189] setpgid(0, 0 [pid 5187] <... symlink resumed>) = 0 [pid 5186] <... symlink resumed>) = 0 [pid 5010] getdents64(3, [pid 5008] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5189] <... setpgid resumed>) = 0 [pid 5187] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5186] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5187] <... openat resumed>) = 3 [pid 5186] <... openat resumed>) = 3 [pid 5010] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... openat resumed>) = 3 [pid 5188] <... openat resumed>) = 3 [pid 5189] <... openat resumed>) = 3 [pid 5187] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5186] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5188] write(3, "1000", 4 [pid 5008] fstat(3, [pid 5188] <... write resumed>) = 4 [pid 5189] write(3, "1000", 4 [pid 5187] <... mmap resumed>) = 0x20fff000 [pid 5186] <... mmap resumed>) = 0x20fff000 [pid 5010] lstat("./32/binderfs", [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5188] close(3 [pid 5189] <... write resumed>) = 4 [pid 5187] exit_group(0 [pid 5186] exit_group(0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5188] <... close resumed>) = 0 [pid 5189] close(3 [pid 5187] <... exit_group resumed>) = ? [pid 5186] <... exit_group resumed>) = ? [pid 5010] unlink("./32/binderfs" [pid 5008] getdents64(3, [pid 5188] symlink("/dev/binderfs", "./binderfs" [pid 5189] <... close resumed>) = 0 [pid 5187] +++ exited with 0 +++ [pid 5186] +++ exited with 0 +++ [pid 5010] <... unlink resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] getdents64(3, [pid 5189] symlink("/dev/binderfs", "./binderfs" [pid 5188] <... symlink resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] close(3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5189] <... symlink resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] lstat("./28/binderfs", [pid 5007] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5188] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] rmdir("./32" [pid 5009] <... openat resumed>) = 3 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5009] fstat(3, [pid 5007] fstat(3, [pid 5008] unlink("./28/binderfs" [pid 5189] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... rmdir resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5188] <... openat resumed>) = 3 [pid 5189] <... openat resumed>) = 3 [pid 5010] mkdir("./33", 0777 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5007] getdents64(3, [pid 5189] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5188] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5189] <... mmap resumed>) = 0x20fff000 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] getdents64(3, [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5189] exit_group(0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5189] <... exit_group resumed>) = ? [pid 5189] +++ exited with 0 +++ [pid 5009] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5190 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... close resumed>) = 0 [pid 5007] lstat("./29/binderfs", [pid 5009] lstat("./30/binderfs", [pid 5008] rmdir("./28" [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5190 attached [pid 5190] chdir("./33" [pid 5008] <... rmdir resumed>) = 0 [pid 5190] <... chdir resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./29/binderfs" [pid 5009] unlink("./30/binderfs" [pid 5008] mkdir("./29", 0777 [pid 5005] umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... unlink resumed>) = 0 [pid 5190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5009] getdents64(3, [pid 5005] openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5190] setpgid(0, 0) = 0 [pid 5190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... mkdir resumed>) = 0 [pid 5009] close(3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] close(3 [pid 5005] <... openat resumed>) = 3 [pid 5009] <... close resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5005] fstat(3, [pid 5190] <... openat resumed>) = 3 [pid 5190] write(3, "1000", 4) = 4 [pid 5190] close(3 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] rmdir("./30" [pid 5007] rmdir("./29" [pid 5005] getdents64(3, [pid 5190] <... close resumed>) = 0 [pid 5190] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5190] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5191 [pid 5007] mkdir("./30", 0777 [pid 5005] umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] mkdir("./31", 0777 [pid 5190] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5007] <... mkdir resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... mkdir resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] lstat("./26/binderfs", [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5191 attached [pid 5190] exit_group(0 [pid 5191] chdir("./29" [pid 5190] <... exit_group resumed>) = ? [pid 5191] <... chdir resumed>) = 0 [pid 5190] +++ exited with 0 +++ [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5193 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5192 [pid 5005] unlink("./26/binderfs" [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5191] setpgid(0, 0 [pid 5005] <... unlink resumed>) = 0 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5005] getdents64(3, 0x555556467620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5192 attached [pid 5191] <... setpgid resumed>) = 0 [pid 5005] close(3 [pid 5010] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] <... close resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] rmdir("./26" [pid 5010] <... openat resumed>) = 3 [pid 5192] chdir("./30" [pid 5191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] fstat(3, [pid 5005] <... rmdir resumed>) = 0 [pid 5192] <... chdir resumed>) = 0 [pid 5191] <... openat resumed>) = 3 [pid 5188] <... mmap resumed>) = 0x20fff000 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] mkdir("./27", 0777 [pid 5192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5191] write(3, "1000", 4 [pid 5010] getdents64(3, [pid 5192] <... prctl resumed>) = 0 [pid 5191] <... write resumed>) = 4 [pid 5192] setpgid(0, 0 [pid 5191] close(3 [pid 5192] <... setpgid resumed>) = 0 [pid 5191] <... close resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] <... mkdir resumed>) = 0 [pid 5192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5191] symlink("/dev/binderfs", "./binderfs" [pid 5188] exit_group(0 [pid 5010] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5193 attached [pid 5192] <... openat resumed>) = 3 [pid 5191] <... symlink resumed>) = 0 [pid 5188] <... exit_group resumed>) = ? [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5192] write(3, "1000", 4 [pid 5191] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5192] <... write resumed>) = 4 [pid 5191] <... openat resumed>) = 3 [pid 5192] close(3 [pid 5191] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5192] <... close resumed>) = 0 [pid 5010] lstat("./33/binderfs", [pid 5191] <... mmap resumed>) = 0x20fff000 [pid 5192] symlink("/dev/binderfs", "./binderfs" [pid 5191] exit_group(0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5194 [pid 5192] <... symlink resumed>) = 0 [pid 5191] <... exit_group resumed>) = ? [pid 5188] +++ exited with 0 +++ [pid 5010] unlink("./33/binderfs" [pid 5193] chdir("./31" [pid 5192] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5191] +++ exited with 0 +++ ./strace-static-x86_64: Process 5194 attached [pid 5193] <... chdir resumed>) = 0 [pid 5192] <... openat resumed>) = 3 [pid 5010] <... unlink resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5194] chdir("./27" [pid 5193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5192] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] getdents64(3, [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5193] <... prctl resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... restart_syscall resumed>) = 0 [pid 5193] setpgid(0, 0 [pid 5010] close(3 [pid 5194] <... chdir resumed>) = 0 [pid 5193] <... setpgid resumed>) = 0 [pid 5192] <... mmap resumed>) = 0x20fff000 [pid 5010] <... close resumed>) = 0 [pid 5194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5192] exit_group(0 [pid 5010] rmdir("./33" [pid 5006] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5194] <... prctl resumed>) = 0 [pid 5193] <... openat resumed>) = 3 [pid 5192] <... exit_group resumed>) = ? [pid 5194] setpgid(0, 0 [pid 5193] write(3, "1000", 4 [pid 5192] +++ exited with 0 +++ [pid 5010] <... rmdir resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5194] <... setpgid resumed>) = 0 [pid 5010] mkdir("./34", 0777 [pid 5008] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5193] <... write resumed>) = 4 [pid 5006] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5194] <... openat resumed>) = 3 [pid 5010] <... mkdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5194] write(3, "1000", 4 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] <... openat resumed>) = 3 [pid 5194] <... write resumed>) = 4 [pid 5194] close(3) = 0 [pid 5008] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5194] symlink("/dev/binderfs", "./binderfs" [pid 5193] close(3 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5006] fstat(3, [pid 5194] <... symlink resumed>) = 0 [pid 5194] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] <... openat resumed>) = 3 [pid 5007] <... restart_syscall resumed>) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5194] <... openat resumed>) = 3 [pid 5194] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5193] <... close resumed>) = 0 [pid 5008] fstat(3, [pid 5006] getdents64(3, [pid 5194] exit_group(0 [pid 5193] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5195 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5194] <... exit_group resumed>) = ? [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] getdents64(3, [pid 5194] +++ exited with 0 +++ [pid 5193] <... symlink resumed>) = 0 [pid 5007] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5195 attached [pid 5195] chdir("./34") = 0 [pid 5195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] lstat("./28/binderfs", [pid 5195] <... prctl resumed>) = 0 [pid 5193] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... openat resumed>) = 3 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] fstat(3, [pid 5008] lstat("./29/binderfs", [pid 5006] unlink("./28/binderfs" [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5195] setpgid(0, 0) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5006] getdents64(3, [pid 5005] openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5007] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] close(3 [pid 5005] fstat(3, [pid 5008] unlink("./29/binderfs" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... close resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... unlink resumed>) = 0 [pid 5007] lstat("./30/binderfs", [pid 5006] rmdir("./28" [pid 5005] getdents64(3, [pid 5195] <... openat resumed>) = 3 [pid 5193] <... openat resumed>) = 3 [pid 5008] getdents64(3, [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5195] write(3, "1000", 4 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5195] <... write resumed>) = 4 [pid 5195] close(3) = 0 [pid 5007] unlink("./30/binderfs" [pid 5006] <... rmdir resumed>) = 0 [pid 5005] umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5195] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5195] <... symlink resumed>) = 0 [pid 5193] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] <... unlink resumed>) = 0 [pid 5008] close(3 [pid 5006] mkdir("./29", 0777 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5195] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5007] getdents64(3, [pid 5195] <... openat resumed>) = 3 [pid 5195] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5193] <... mmap resumed>) = 0x20fff000 [pid 5008] <... close resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] lstat("./27/binderfs", [pid 5195] exit_group(0 [pid 5193] exit_group(0 [pid 5008] rmdir("./29" [pid 5007] close(3 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5195] <... exit_group resumed>) = ? [pid 5193] <... exit_group resumed>) = ? [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5195] +++ exited with 0 +++ [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5005] unlink("./27/binderfs" [pid 5007] rmdir("./30"./strace-static-x86_64: Process 5196 attached [pid 5005] <... unlink resumed>) = 0 [pid 5196] chdir("./29") = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] getdents64(3, [pid 5010] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] mkdir("./30", 0777 [pid 5007] mkdir("./31", 0777 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5196 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5196] setpgid(0, 0) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] close(3 [pid 5196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... mkdir resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5005] <... close resumed>) = 0 [pid 5010] fstat(3, [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] rmdir("./27" [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5196] <... openat resumed>) = 3 [pid 5196] write(3, "1000", 4) = 4 [pid 5196] close(3) = 0 [pid 5196] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5010] getdents64(3, [pid 5196] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5005] <... rmdir resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] mkdir("./28", 0777 [pid 5196] <... openat resumed>) = 3 [pid 5196] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5010] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5197 attached [pid 5197] chdir("./31" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5198 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5197 [pid 5005] <... mkdir resumed>) = 0 [pid 5010] lstat("./34/binderfs", [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5196] exit_group(0) = ? [pid 5010] unlink("./34/binderfs" [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5199 [pid 5197] <... chdir resumed>) = 0 [pid 5197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] <... unlink resumed>) = 0 [pid 5010] getdents64(3, 0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] close(3 [pid 5197] <... prctl resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5010] rmdir("./34" [pid 5197] setpgid(0, 0) = 0 [pid 5197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... rmdir resumed>) = 0 [pid 5010] mkdir("./35", 0777./strace-static-x86_64: Process 5198 attached [pid 5197] <... openat resumed>) = 3 [pid 5196] +++ exited with 0 +++ [pid 5010] <... mkdir resumed>) = 0 [pid 5193] +++ exited with 0 +++ [pid 5198] chdir("./30" [pid 5197] write(3, "1000", 4 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5198] <... chdir resumed>) = 0 [pid 5197] <... write resumed>) = 4 [pid 5198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5197] close(3 [pid 5009] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5198] <... prctl resumed>) = 0 [pid 5197] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5198] setpgid(0, 0 [pid 5197] symlink("/dev/binderfs", "./binderfs" [pid 5009] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5198] <... setpgid resumed>) = 0 [pid 5197] <... symlink resumed>) = 0 [pid 5009] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5199 attached [pid 5198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5200 [pid 5009] fstat(3, [pid 5198] <... openat resumed>) = 3 [pid 5197] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5199] chdir("./28" [pid 5198] write(3, "1000", 4 [pid 5197] <... openat resumed>) = 3 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5199] <... chdir resumed>) = 0 [pid 5198] <... write resumed>) = 4 [pid 5197] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] getdents64(3, ./strace-static-x86_64: Process 5200 attached [pid 5199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5198] close(3 [pid 5197] <... mmap resumed>) = 0x20fff000 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5200] chdir("./35" [pid 5199] <... prctl resumed>) = 0 [pid 5198] <... close resumed>) = 0 [pid 5197] exit_group(0 [pid 5009] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5200] <... chdir resumed>) = 0 [pid 5199] setpgid(0, 0 [pid 5198] symlink("/dev/binderfs", "./binderfs" [pid 5197] <... exit_group resumed>) = ? [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5199] <... setpgid resumed>) = 0 [pid 5198] <... symlink resumed>) = 0 [pid 5197] +++ exited with 0 +++ [pid 5009] lstat("./31/binderfs", [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5200] <... prctl resumed>) = 0 [pid 5198] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5200] setpgid(0, 0 [pid 5199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5198] <... openat resumed>) = 3 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5200] <... setpgid resumed>) = 0 [pid 5198] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] unlink("./31/binderfs" [pid 5200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5199] <... openat resumed>) = 3 [pid 5198] <... mmap resumed>) = 0x20fff000 [pid 5006] <... openat resumed>) = 3 [pid 5200] <... openat resumed>) = 3 [pid 5199] write(3, "1000", 4 [pid 5198] exit_group(0 [pid 5009] <... unlink resumed>) = 0 [pid 5006] fstat(3, [pid 5200] write(3, "1000", 4 [pid 5199] <... write resumed>) = 4 [pid 5198] <... exit_group resumed>) = ? [pid 5009] getdents64(3, [pid 5007] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5200] <... write resumed>) = 4 [pid 5199] close(3 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] getdents64(3, [pid 5200] close(3 [pid 5199] <... close resumed>) = 0 [pid 5198] +++ exited with 0 +++ [pid 5009] close(3 [pid 5007] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5200] <... close resumed>) = 0 [pid 5199] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... close resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5200] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... openat resumed>) = 3 [pid 5200] <... symlink resumed>) = 0 [pid 5199] <... symlink resumed>) = 0 [pid 5009] rmdir("./31" [pid 5007] fstat(3, [pid 5006] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5200] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5199] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5200] <... openat resumed>) = 3 [pid 5009] <... rmdir resumed>) = 0 [pid 5200] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5200] <... mmap resumed>) = 0x20fff000 [pid 5199] <... openat resumed>) = 3 [pid 5009] mkdir("./32", 0777 [pid 5008] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] getdents64(3, [pid 5006] lstat("./29/binderfs", [pid 5200] exit_group(0 [pid 5199] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5200] <... exit_group resumed>) = ? [pid 5200] +++ exited with 0 +++ [pid 5199] <... mmap resumed>) = 0x20fff000 [pid 5009] <... mkdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5199] exit_group(0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... openat resumed>) = 3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] fstat(3, [pid 5007] lstat("./31/binderfs", [pid 5006] unlink("./29/binderfs" [pid 5199] <... exit_group resumed>) = ? [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5010] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] unlink("./31/binderfs" [pid 5199] +++ exited with 0 +++ [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(3, [pid 5007] <... unlink resumed>) = 0 [pid 5006] getdents64(3, [pid 5010] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] <... openat resumed>) = 3 [pid 5008] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] getdents64(3, [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5201 [pid 5010] fstat(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] close(3 [pid 5005] umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] lstat("./30/binderfs", [pid 5007] close(3 [pid 5006] <... close resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] getdents64(3, [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] rmdir("./29" [pid 5005] openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... close resumed>) = 0 ./strace-static-x86_64: Process 5201 attached [pid 5201] chdir("./32") = 0 [pid 5201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... openat resumed>) = 3 [pid 5010] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] unlink("./30/binderfs" [pid 5007] rmdir("./31" [pid 5005] fstat(3, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5201] <... prctl resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5201] setpgid(0, 0 [pid 5010] lstat("./35/binderfs", [pid 5007] <... rmdir resumed>) = 0 [pid 5005] getdents64(3, [pid 5008] getdents64(3, [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] unlink("./35/binderfs" [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] mkdir("./32", 0777 [pid 5005] umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5201] <... setpgid resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5008] close(3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] getdents64(3, [pid 5008] <... close resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] lstat("./28/binderfs", [pid 5201] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] rmdir("./30" [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] mkdir("./30", 0777 [pid 5201] write(3, "1000", 4 [pid 5010] close(3 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5201] <... write resumed>) = 4 [pid 5008] <... rmdir resumed>) = 0 [pid 5201] close(3 [pid 5010] <... close resumed>) = 0 [pid 5008] mkdir("./31", 0777 [pid 5005] unlink("./28/binderfs" [pid 5201] <... close resumed>) = 0 [pid 5010] rmdir("./35" [pid 5201] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... unlink resumed>) = 0 [pid 5201] <... symlink resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5201] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... rmdir resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5202 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] getdents64(3, [pid 5201] <... openat resumed>) = 3 [pid 5010] mkdir("./36", 0777 [pid 5201] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0./strace-static-x86_64: Process 5202 attached ./strace-static-x86_64: Process 5203 attached ) = 0x20fff000 [pid 5010] <... mkdir resumed>) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5202] chdir("./32" [pid 5201] exit_group(0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5203 [pid 5005] close(3 [pid 5202] <... chdir resumed>) = 0 [pid 5201] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5205 attached [pid 5203] chdir("./31" [pid 5202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5201] +++ exited with 0 +++ [pid 5005] <... close resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5205 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5204 [pid 5005] rmdir("./28" [pid 5203] <... chdir resumed>) = 0 [pid 5202] <... prctl resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5202] setpgid(0, 0 [pid 5009] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5205] chdir("./36" [pid 5005] mkdir("./29", 0777 [pid 5203] <... prctl resumed>) = 0 [pid 5202] <... setpgid resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5205] <... chdir resumed>) = 0 [pid 5203] setpgid(0, 0 [pid 5202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... mkdir resumed>) = 0 [pid 5205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5203] <... setpgid resumed>) = 0 [pid 5202] <... openat resumed>) = 3 [pid 5009] <... openat resumed>) = 3 [pid 5205] <... prctl resumed>) = 0 [pid 5202] write(3, "1000", 4 [pid 5009] fstat(3, [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5205] setpgid(0, 0 [pid 5203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5202] <... write resumed>) = 4 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5204 attached [pid 5204] chdir("./30" [pid 5202] close(3 [pid 5009] getdents64(3, [pid 5205] <... setpgid resumed>) = 0 [pid 5204] <... chdir resumed>) = 0 [pid 5203] <... openat resumed>) = 3 [pid 5202] <... close resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5206 [pid 5203] write(3, "1000", 4 [pid 5202] symlink("/dev/binderfs", "./binderfs" [pid 5009] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./32/binderfs", ./strace-static-x86_64: Process 5206 attached [pid 5205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5203] <... write resumed>) = 4 [pid 5202] <... symlink resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5206] chdir("./29" [pid 5205] <... openat resumed>) = 3 [pid 5204] <... prctl resumed>) = 0 [pid 5203] close(3 [pid 5202] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] unlink("./32/binderfs" [pid 5206] <... chdir resumed>) = 0 [pid 5205] write(3, "1000", 4 [pid 5204] setpgid(0, 0 [pid 5203] <... close resumed>) = 0 [pid 5206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5205] <... write resumed>) = 4 [pid 5204] <... setpgid resumed>) = 0 [pid 5202] <... openat resumed>) = 3 [pid 5009] <... unlink resumed>) = 0 [pid 5203] symlink("/dev/binderfs", "./binderfs" [pid 5206] <... prctl resumed>) = 0 [pid 5205] close(3 [pid 5204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5202] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] getdents64(3, [pid 5206] setpgid(0, 0 [pid 5204] <... openat resumed>) = 3 [pid 5203] <... symlink resumed>) = 0 [pid 5202] <... mmap resumed>) = 0x20fff000 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5206] <... setpgid resumed>) = 0 [pid 5205] <... close resumed>) = 0 [pid 5204] write(3, "1000", 4 [pid 5203] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5202] exit_group(0 [pid 5009] close(3 [pid 5206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5205] symlink("/dev/binderfs", "./binderfs" [pid 5204] <... write resumed>) = 4 [pid 5202] <... exit_group resumed>) = ? [pid 5009] <... close resumed>) = 0 [pid 5206] <... openat resumed>) = 3 [pid 5205] <... symlink resumed>) = 0 [pid 5204] close(3 [pid 5203] <... openat resumed>) = 3 [pid 5009] rmdir("./32" [pid 5206] write(3, "1000", 4 [pid 5205] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5204] <... close resumed>) = 0 [pid 5202] +++ exited with 0 +++ [pid 5206] <... write resumed>) = 4 [pid 5205] <... openat resumed>) = 3 [pid 5204] symlink("/dev/binderfs", "./binderfs" [pid 5203] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5202, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5206] close(3 [pid 5205] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5204] <... symlink resumed>) = 0 [pid 5009] mkdir("./33", 0777 [pid 5206] <... close resumed>) = 0 [pid 5205] <... mmap resumed>) = 0x20fff000 [pid 5204] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5203] <... mmap resumed>) = 0x20fff000 [pid 5205] exit_group(0 [pid 5204] <... openat resumed>) = 3 [pid 5009] <... mkdir resumed>) = 0 [pid 5206] symlink("/dev/binderfs", "./binderfs" [pid 5205] <... exit_group resumed>) = ? [pid 5204] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5203] exit_group(0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5206] <... symlink resumed>) = 0 [pid 5205] +++ exited with 0 +++ [pid 5204] <... mmap resumed>) = 0x20fff000 [pid 5203] <... exit_group resumed>) = ? [pid 5204] exit_group(0) = ? [pid 5206] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5204] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5007] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] <... restart_syscall resumed>) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5207 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5207 attached [pid 5207] chdir("./33" [pid 5206] <... openat resumed>) = 3 [pid 5010] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... openat resumed>) = 3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] fstat(3, [pid 5010] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5206] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... openat resumed>) = 3 [pid 5007] getdents64(3, [pid 5207] <... chdir resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] fstat(3, [pid 5006] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] getdents64(3, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] lstat("./32/binderfs", [pid 5006] <... openat resumed>) = 3 [pid 5207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] fstat(3, [pid 5010] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] unlink("./32/binderfs" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5207] <... prctl resumed>) = 0 [pid 5207] setpgid(0, 0 [pid 5007] <... unlink resumed>) = 0 [pid 5207] <... setpgid resumed>) = 0 [pid 5010] lstat("./36/binderfs", [pid 5007] getdents64(3, [pid 5006] getdents64(3, [pid 5207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5207] <... openat resumed>) = 3 [pid 5206] <... mmap resumed>) = 0x20fff000 [pid 5010] unlink("./36/binderfs" [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5207] write(3, "1000", 4) = 4 [pid 5010] <... unlink resumed>) = 0 [pid 5207] close(3 [pid 5010] getdents64(3, [pid 5007] close(3 [pid 5006] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5207] <... close resumed>) = 0 [pid 5206] exit_group(0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... close resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5207] symlink("/dev/binderfs", "./binderfs" [pid 5206] <... exit_group resumed>) = ? [pid 5203] +++ exited with 0 +++ [pid 5010] close(3 [pid 5007] rmdir("./32" [pid 5006] lstat("./30/binderfs", [pid 5207] <... symlink resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5207] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5007] <... rmdir resumed>) = 0 [pid 5207] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] rmdir("./36" [pid 5008] <... restart_syscall resumed>) = 0 [pid 5007] mkdir("./33", 0777 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5207] <... mmap resumed>) = 0x20fff000 [pid 5207] exit_group(0) = ? [pid 5010] <... rmdir resumed>) = 0 [pid 5006] unlink("./30/binderfs" [pid 5207] +++ exited with 0 +++ [pid 5206] +++ exited with 0 +++ [pid 5007] <... mkdir resumed>) = 0 [pid 5010] mkdir("./37", 0777 [pid 5008] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... unlink resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5208 attached [pid 5010] <... mkdir resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] getdents64(3, [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5208 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5209 attached [pid 5208] chdir("./33" [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5209 [pid 5009] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] fstat(3, [pid 5006] close(3 [pid 5005] <... restart_syscall resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5209] chdir("./37" [pid 5208] <... chdir resumed>) = 0 [pid 5009] fstat(3, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... close resumed>) = 0 [pid 5209] <... chdir resumed>) = 0 [pid 5208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, [pid 5006] rmdir("./30" [pid 5209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5208] <... prctl resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... rmdir resumed>) = 0 [pid 5005] umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5208] setpgid(0, 0 [pid 5209] <... prctl resumed>) = 0 [pid 5009] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] mkdir("./31", 0777 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5208] <... setpgid resumed>) = 0 [pid 5209] setpgid(0, 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./31/binderfs", [pid 5209] <... setpgid resumed>) = 0 [pid 5208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] lstat("./33/binderfs", [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5208] <... openat resumed>) = 3 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./31/binderfs" [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5208] write(3, "1000", 4 [pid 5009] unlink("./33/binderfs" [pid 5005] <... openat resumed>) = 3 [pid 5008] <... unlink resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5008] getdents64(3, [pid 5005] fstat(3, [pid 5209] <... openat resumed>) = 3 [pid 5009] getdents64(3, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5208] <... write resumed>) = 4 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5210 [pid 5208] close(3 [pid 5009] close(3 [pid 5008] close(3 [pid 5005] getdents64(3, [pid 5209] write(3, "1000", 4) = 4 [pid 5009] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5209] close(3 [pid 5208] <... close resumed>) = 0 [pid 5009] rmdir("./33" [pid 5008] rmdir("./31" [pid 5005] umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5210 attached [pid 5209] <... close resumed>) = 0 [pid 5208] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... rmdir resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5210] chdir("./31" [pid 5209] symlink("/dev/binderfs", "./binderfs" [pid 5009] mkdir("./34", 0777 [pid 5008] <... rmdir resumed>) = 0 [pid 5005] lstat("./29/binderfs", [pid 5210] <... chdir resumed>) = 0 [pid 5209] <... symlink resumed>) = 0 [pid 5208] <... symlink resumed>) = 0 [pid 5210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5209] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... mkdir resumed>) = 0 [pid 5210] <... prctl resumed>) = 0 [pid 5209] <... openat resumed>) = 3 [pid 5208] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] mkdir("./32", 0777 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5210] setpgid(0, 0 [pid 5209] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5210] <... setpgid resumed>) = 0 [pid 5209] <... mmap resumed>) = 0x20fff000 [pid 5005] unlink("./29/binderfs" [pid 5210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5209] exit_group(0 [pid 5008] <... mkdir resumed>) = 0 [pid 5210] <... openat resumed>) = 3 [pid 5209] <... exit_group resumed>) = ? [pid 5208] <... openat resumed>) = 3 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5211 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5211 attached [pid 5210] write(3, "1000", 4 [pid 5209] +++ exited with 0 +++ [pid 5208] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5210] <... write resumed>) = 4 [pid 5210] close(3) = 0 [pid 5210] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5005] getdents64(3, [pid 5210] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5208] <... mmap resumed>) = 0x20fff000 [pid 5210] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5212 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5211] chdir("./34" [pid 5210] <... mmap resumed>) = 0x20fff000 [pid 5208] exit_group(0 [pid 5005] close(3./strace-static-x86_64: Process 5212 attached [pid 5211] <... chdir resumed>) = 0 [pid 5210] exit_group(0 [pid 5208] <... exit_group resumed>) = ? [pid 5005] <... close resumed>) = 0 [pid 5212] chdir("./32" [pid 5211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5210] <... exit_group resumed>) = ? [pid 5010] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] rmdir("./29" [pid 5212] <... chdir resumed>) = 0 [pid 5211] <... prctl resumed>) = 0 [pid 5210] +++ exited with 0 +++ [pid 5208] +++ exited with 0 +++ [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... rmdir resumed>) = 0 [pid 5212] <... prctl resumed>) = 0 [pid 5211] setpgid(0, 0 [pid 5010] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] mkdir("./30", 0777 [pid 5212] setpgid(0, 0 [pid 5211] <... setpgid resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5007] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5210, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5212] <... setpgid resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] fstat(3, [pid 5007] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5005] <... mkdir resumed>) = 0 [pid 5212] <... openat resumed>) = 3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5006] <... restart_syscall resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5212] write(3, "1000", 4 [pid 5211] <... openat resumed>) = 3 [pid 5010] getdents64(3, [pid 5007] fstat(3, [pid 5212] <... write resumed>) = 4 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5212] close(3 [pid 5007] getdents64(3, [pid 5212] <... close resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5212] symlink("/dev/binderfs", "./binderfs" [pid 5007] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5212] <... symlink resumed>) = 0 [pid 5211] write(3, "1000", 4 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5213 [pid 5212] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5211] <... write resumed>) = 4 [pid 5010] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] lstat("./33/binderfs", [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5213 attached [pid 5212] <... openat resumed>) = 3 [pid 5211] close(3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5213] chdir("./30" [pid 5212] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5211] <... close resumed>) = 0 [pid 5010] lstat("./37/binderfs", [pid 5007] unlink("./33/binderfs" [pid 5213] <... chdir resumed>) = 0 [pid 5212] <... mmap resumed>) = 0x20fff000 [pid 5211] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5006] <... openat resumed>) = 3 [pid 5213] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5212] exit_group(0 [pid 5007] getdents64(3, [pid 5213] <... prctl resumed>) = 0 [pid 5212] <... exit_group resumed>) = ? [pid 5211] <... symlink resumed>) = 0 [pid 5010] unlink("./37/binderfs" [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] fstat(3, [pid 5213] setpgid(0, 0 [pid 5212] +++ exited with 0 +++ [pid 5211] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5007] close(3 [pid 5213] <... setpgid resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5211] <... openat resumed>) = 3 [pid 5010] getdents64(3, [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] rmdir("./33" [pid 5006] getdents64(3, [pid 5213] <... openat resumed>) = 3 [pid 5211] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... rmdir resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5213] write(3, "1000", 4 [pid 5007] mkdir("./34", 0777 [pid 5006] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5213] <... write resumed>) = 4 [pid 5211] <... mmap resumed>) = 0x20fff000 [pid 5010] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... mkdir resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5213] close(3 [pid 5211] exit_group(0 [pid 5010] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] lstat("./31/binderfs", [pid 5213] <... close resumed>) = 0 [pid 5211] <... exit_group resumed>) = ? [pid 5010] rmdir("./37" [pid 5008] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5213] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5214 [pid 5006] unlink("./31/binderfs" [pid 5213] <... symlink resumed>) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5213] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5006] getdents64(3, [pid 5010] <... rmdir resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] mkdir("./38", 0777 [pid 5008] <... openat resumed>) = 3 [pid 5006] close(3 [pid 5213] <... openat resumed>) = 3 [pid 5211] +++ exited with 0 +++ [pid 5008] fstat(3, [pid 5006] <... close resumed>) = 0 [pid 5213] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5006] rmdir("./31"./strace-static-x86_64: Process 5214 attached [pid 5213] <... mmap resumed>) = 0x20fff000 [pid 5010] <... mkdir resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5213] exit_group(0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] getdents64(3, [pid 5006] mkdir("./32", 0777 [pid 5213] <... exit_group resumed>) = ? [pid 5006] <... mkdir resumed>) = 0 [pid 5214] chdir("./34" [pid 5213] +++ exited with 0 +++ [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5215 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5216 attached [pid 5214] <... chdir resumed>) = 0 [pid 5008] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5216 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./32/binderfs", ./strace-static-x86_64: Process 5215 attached [pid 5009] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5215] chdir("./38" [pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... openat resumed>) = 3 [pid 5008] unlink("./32/binderfs" [pid 5005] umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5215] <... chdir resumed>) = 0 [pid 5214] <... prctl resumed>) = 0 [pid 5009] fstat(3, [pid 5215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5214] setpgid(0, 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5215] <... prctl resumed>) = 0 [pid 5214] <... setpgid resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] getdents64(3, [pid 5005] openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5215] setpgid(0, 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5215] <... setpgid resumed>) = 0 [pid 5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(3 [pid 5005] <... openat resumed>) = 3 [pid 5216] chdir("./32" [pid 5215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... close resumed>) = 0 [pid 5005] fstat(3, [pid 5216] <... chdir resumed>) = 0 [pid 5215] <... openat resumed>) = 3 [pid 5214] <... openat resumed>) = 3 [pid 5009] lstat("./34/binderfs", [pid 5008] rmdir("./32" [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5215] write(3, "1000", 4 [pid 5214] write(3, "1000", 4 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5005] getdents64(3, [pid 5216] <... prctl resumed>) = 0 [pid 5215] <... write resumed>) = 4 [pid 5214] <... write resumed>) = 4 [pid 5009] unlink("./34/binderfs" [pid 5008] mkdir("./33", 0777 [pid 5216] setpgid(0, 0 [pid 5215] close(3 [pid 5214] close(3 [pid 5009] <... unlink resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5216] <... setpgid resumed>) = 0 [pid 5215] <... close resumed>) = 0 [pid 5214] <... close resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] <... mkdir resumed>) = 0 [pid 5005] umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5215] symlink("/dev/binderfs", "./binderfs" [pid 5214] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5216] <... openat resumed>) = 3 [pid 5215] <... symlink resumed>) = 0 [pid 5009] close(3 [pid 5216] write(3, "1000", 4 [pid 5215] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... close resumed>) = 0 [pid 5005] lstat("./30/binderfs", ./strace-static-x86_64: Process 5217 attached [pid 5216] <... write resumed>) = 4 [pid 5214] <... symlink resumed>) = 0 [pid 5009] rmdir("./34" [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5217 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5217] chdir("./33" [pid 5216] close(3 [pid 5215] <... openat resumed>) = 3 [pid 5214] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... rmdir resumed>) = 0 [pid 5217] <... chdir resumed>) = 0 [pid 5216] <... close resumed>) = 0 [pid 5215] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5214] <... openat resumed>) = 3 [pid 5009] mkdir("./35", 0777 [pid 5005] unlink("./30/binderfs" [pid 5217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5216] symlink("/dev/binderfs", "./binderfs" [pid 5215] <... mmap resumed>) = 0x20fff000 [pid 5214] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5217] <... prctl resumed>) = 0 [pid 5216] <... symlink resumed>) = 0 [pid 5215] exit_group(0 [pid 5214] <... mmap resumed>) = 0x20fff000 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] getdents64(3, [pid 5217] setpgid(0, 0 [pid 5216] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5215] <... exit_group resumed>) = ? [pid 5214] exit_group(0./strace-static-x86_64: Process 5218 attached [pid 5217] <... setpgid resumed>) = 0 [pid 5216] <... openat resumed>) = 3 [pid 5214] <... exit_group resumed>) = ? [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5218] chdir("./35" [pid 5217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5216] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5215] +++ exited with 0 +++ [pid 5216] <... mmap resumed>) = 0x20fff000 [pid 5216] exit_group(0 [pid 5214] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5215, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5218 [pid 5216] <... exit_group resumed>) = ? [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] close(3 [pid 5218] <... chdir resumed>) = 0 [pid 5217] <... openat resumed>) = 3 [pid 5005] <... close resumed>) = 0 [pid 5218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5217] write(3, "1000", 4 [pid 5216] +++ exited with 0 +++ [pid 5005] rmdir("./30" [pid 5218] <... prctl resumed>) = 0 [pid 5217] <... write resumed>) = 4 [pid 5010] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5218] setpgid(0, 0 [pid 5217] close(3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... rmdir resumed>) = 0 [pid 5218] <... setpgid resumed>) = 0 [pid 5217] <... close resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] mkdir("./31", 0777 [pid 5218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5217] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... openat resumed>) = 3 [pid 5007] <... openat resumed>) = 3 [pid 5006] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5217] <... symlink resumed>) = 0 [pid 5010] fstat(3, [pid 5007] fstat(3, [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... mkdir resumed>) = 0 [pid 5218] <... openat resumed>) = 3 [pid 5217] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5218] write(3, "1000", 4 [pid 5217] <... openat resumed>) = 3 [pid 5010] getdents64(3, [pid 5007] getdents64(3, [pid 5006] <... openat resumed>) = 3 [pid 5006] fstat(3, ./strace-static-x86_64: Process 5219 attached [pid 5218] <... write resumed>) = 4 [pid 5217] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5219 [pid 5218] close(3 [pid 5217] <... mmap resumed>) = 0x20fff000 [pid 5010] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] getdents64(3, [pid 5219] chdir("./31" [pid 5218] <... close resumed>) = 0 [pid 5217] exit_group(0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5219] <... chdir resumed>) = 0 [pid 5218] symlink("/dev/binderfs", "./binderfs" [pid 5217] <... exit_group resumed>) = ? [pid 5010] lstat("./38/binderfs", [pid 5007] lstat("./34/binderfs", [pid 5006] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./32/binderfs", [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5219] <... prctl resumed>) = 0 [pid 5218] <... symlink resumed>) = 0 [pid 5217] +++ exited with 0 +++ [pid 5010] unlink("./38/binderfs" [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5219] setpgid(0, 0 [pid 5218] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... unlink resumed>) = 0 [pid 5007] unlink("./34/binderfs" [pid 5006] unlink("./32/binderfs" [pid 5219] <... setpgid resumed>) = 0 [pid 5010] getdents64(3, [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5007] <... unlink resumed>) = 0 [pid 5219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5218] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5007] getdents64(3, [pid 5006] <... unlink resumed>) = 0 [pid 5219] <... openat resumed>) = 3 [pid 5218] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] close(3 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] getdents64(3, [pid 5010] <... close resumed>) = 0 [pid 5007] close(3 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] rmdir("./38" [pid 5008] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... close resumed>) = 0 [pid 5006] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... rmdir resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5010] mkdir("./39", 0777 [pid 5008] fstat(3, [pid 5007] rmdir("./34" [pid 5006] <... close resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] <... mkdir resumed>) = 0 [pid 5008] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] rmdir("./32" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5008] unlink("./33/binderfs" [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... unlink resumed>) = 0 [pid 5007] mkdir("./35", 0777 [pid 5006] <... rmdir resumed>) = 0 [pid 5218] <... mmap resumed>) = 0x20fff000 [pid 5008] getdents64(3, 0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] close(3) = 0 [pid 5008] rmdir("./33") = 0 [pid 5006] mkdir("./33", 0777 [pid 5008] mkdir("./34", 0777) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5220 [pid 5007] <... mkdir resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5218] exit_group(0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5219] write(3, "1000", 4 [pid 5218] <... exit_group resumed>) = ? [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5221 ./strace-static-x86_64: Process 5220 attached [pid 5220] chdir("./39"./strace-static-x86_64: Process 5221 attached [pid 5221] chdir("./34") = 0 [pid 5220] <... chdir resumed>) = 0 [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5221] <... prctl resumed>) = 0 [pid 5220] <... prctl resumed>) = 0 [pid 5221] setpgid(0, 0 [pid 5220] setpgid(0, 0 [pid 5221] <... setpgid resumed>) = 0 [pid 5220] <... setpgid resumed>) = 0 [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5223 attached ./strace-static-x86_64: Process 5222 attached [pid 5221] <... openat resumed>) = 3 [pid 5220] <... openat resumed>) = 3 [pid 5219] <... write resumed>) = 4 [pid 5218] +++ exited with 0 +++ [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5222 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5223 [pid 5223] chdir("./33" [pid 5222] chdir("./35" [pid 5221] write(3, "1000", 4 [pid 5220] write(3, "1000", 4 [pid 5219] close(3 [pid 5222] <... chdir resumed>) = 0 [pid 5221] <... write resumed>) = 4 [pid 5220] <... write resumed>) = 4 [pid 5219] <... close resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5218, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5221] close(3 [pid 5220] close(3 [pid 5219] symlink("/dev/binderfs", "./binderfs" [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5222] <... prctl resumed>) = 0 [pid 5221] <... close resumed>) = 0 [pid 5220] <... close resumed>) = 0 [pid 5222] setpgid(0, 0 [pid 5221] symlink("/dev/binderfs", "./binderfs" [pid 5220] symlink("/dev/binderfs", "./binderfs" [pid 5219] <... symlink resumed>) = 0 [pid 5009] <... restart_syscall resumed>) = 0 [pid 5223] <... chdir resumed>) = 0 [pid 5222] <... setpgid resumed>) = 0 [pid 5221] <... symlink resumed>) = 0 [pid 5220] <... symlink resumed>) = 0 [pid 5219] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5221] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5220] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5223] <... prctl resumed>) = 0 [pid 5222] <... openat resumed>) = 3 [pid 5221] <... openat resumed>) = 3 [pid 5220] <... openat resumed>) = 3 [pid 5219] <... openat resumed>) = 3 [pid 5222] write(3, "1000", 4 [pid 5221] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5220] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5219] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5223] setpgid(0, 0 [pid 5222] <... write resumed>) = 4 [pid 5221] <... mmap resumed>) = 0x20fff000 [pid 5220] <... mmap resumed>) = 0x20fff000 [pid 5222] close(3 [pid 5221] exit_group(0 [pid 5220] exit_group(0 [pid 5219] <... mmap resumed>) = 0x20fff000 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5223] <... setpgid resumed>) = 0 [pid 5222] <... close resumed>) = 0 [pid 5221] <... exit_group resumed>) = ? [pid 5220] <... exit_group resumed>) = ? [pid 5219] exit_group(0 [pid 5009] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5222] symlink("/dev/binderfs", "./binderfs" [pid 5221] +++ exited with 0 +++ [pid 5220] +++ exited with 0 +++ [pid 5219] <... exit_group resumed>) = ? [pid 5009] <... openat resumed>) = 3 [pid 5223] <... openat resumed>) = 3 [pid 5222] <... symlink resumed>) = 0 [pid 5222] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5222] <... openat resumed>) = 3 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5222] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5223] write(3, "1000", 4 [pid 5222] <... mmap resumed>) = 0x20fff000 [pid 5219] +++ exited with 0 +++ [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] fstat(3, [pid 5223] <... write resumed>) = 4 [pid 5222] exit_group(0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5223] close(3 [pid 5222] <... exit_group resumed>) = ? [pid 5009] getdents64(3, [pid 5008] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5223] <... close resumed>) = 0 [pid 5010] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] <... restart_syscall resumed>) = 0 [pid 5223] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5223] <... symlink resumed>) = 0 [pid 5222] +++ exited with 0 +++ [pid 5010] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5223] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... openat resumed>) = 3 [pid 5009] lstat("./35/binderfs", [pid 5008] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5223] <... openat resumed>) = 3 [pid 5010] fstat(3, [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5223] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] unlink("./35/binderfs" [pid 5008] fstat(3, [pid 5005] openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5223] <... mmap resumed>) = 0x20fff000 [pid 5010] getdents64(3, [pid 5009] <... unlink resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... openat resumed>) = 3 [pid 5223] exit_group(0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] getdents64(3, [pid 5008] getdents64(3, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(3, [pid 5223] <... exit_group resumed>) = ? [pid 5010] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5223] +++ exited with 0 +++ [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] close(3 [pid 5008] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... openat resumed>) = 3 [pid 5010] lstat("./39/binderfs", [pid 5009] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] fstat(3, [pid 5005] getdents64(3, [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] rmdir("./35" [pid 5008] lstat("./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] unlink("./34/binderfs" [pid 5010] unlink("./39/binderfs" [pid 5009] <... rmdir resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5007] getdents64(3, [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5005] umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... unlink resumed>) = 0 [pid 5009] mkdir("./36", 0777 [pid 5008] getdents64(3, [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... restart_syscall resumed>) = 0 [pid 5010] getdents64(3, [pid 5009] <... mkdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] close(3 [pid 5007] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] lstat("./31/binderfs", [pid 5010] close(3 [pid 5008] <... close resumed>) = 0 [pid 5008] rmdir("./34"./strace-static-x86_64: Process 5224 attached [pid 5010] <... close resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5224] chdir("./36" [pid 5010] rmdir("./39" [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5224 [pid 5008] mkdir("./35", 0777 [pid 5007] lstat("./35/binderfs", [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] unlink("./31/binderfs" [pid 5224] <... chdir resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] mkdir("./40", 0777 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] unlink("./35/binderfs" [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5006] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5225 attached [pid 5010] <... mkdir resumed>) = 0 [pid 5224] <... prctl resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5225 [pid 5007] <... unlink resumed>) = 0 [pid 5006] <... openat resumed>) = 3 [pid 5005] getdents64(3, [pid 5224] setpgid(0, 0 [pid 5225] chdir("./35" [pid 5006] fstat(3, ./strace-static-x86_64: Process 5226 attached [pid 5224] <... setpgid resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5226 [pid 5007] getdents64(3, [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5225] <... chdir resumed>) = 0 [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] getdents64(3, [pid 5005] close(3 [pid 5225] <... prctl resumed>) = 0 [pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5225] setpgid(0, 0 [pid 5007] close(3 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] <... close resumed>) = 0 [pid 5225] <... setpgid resumed>) = 0 [pid 5224] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 5005] rmdir("./31" [pid 5006] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5224] write(3, "1000", 4 [pid 5007] rmdir("./35" [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... rmdir resumed>) = 0 [pid 5225] <... openat resumed>) = 3 [pid 5007] <... rmdir resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] mkdir("./32", 0777 [pid 5225] write(3, "1000", 4 [pid 5224] <... write resumed>) = 4 [pid 5007] mkdir("./36", 0777 [pid 5006] lstat("./33/binderfs", [pid 5225] <... write resumed>) = 4 [pid 5225] close(3 [pid 5005] <... mkdir resumed>) = 0 [pid 5225] <... close resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5225] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5225] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5224] close(3 [pid 5007] <... mkdir resumed>) = 0 [pid 5006] unlink("./33/binderfs" [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5225] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5006] <... unlink resumed>) = 0 [pid 5225] exit_group(0) = ? [pid 5224] <... close resumed>) = 0 [pid 5006] getdents64(3, [pid 5226] chdir("./40" [pid 5225] +++ exited with 0 +++ [pid 5224] symlink("/dev/binderfs", "./binderfs" [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5224] <... symlink resumed>) = 0 [pid 5006] close(3 [pid 5008] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5224] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, [pid 5006] rmdir("./33" [pid 5224] <... openat resumed>) = 3 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] getdents64(3, 0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] <... rmdir resumed>) = 0 [pid 5224] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] lstat("./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] mkdir("./34", 0777./strace-static-x86_64: Process 5227 attached [pid 5008] unlink("./35/binderfs" [pid 5227] chdir("./32" [pid 5008] <... unlink resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5227 [pid 5227] <... chdir resumed>) = 0 [pid 5008] getdents64(3, [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5224] <... mmap resumed>) = 0x20fff000 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5227] <... prctl resumed>) = 0 [pid 5224] exit_group(0 [pid 5008] close(3 [pid 5227] setpgid(0, 0 [pid 5008] <... close resumed>) = 0 [pid 5227] <... setpgid resumed>) = 0 [pid 5008] rmdir("./35" [pid 5227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5224] <... exit_group resumed>) = ? [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5228 [pid 5227] <... openat resumed>) = 3 [pid 5008] mkdir("./36", 0777 [pid 5227] write(3, "1000", 4 [pid 5008] <... mkdir resumed>) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5229 [pid 5227] <... write resumed>) = 4 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5230 attached [pid 5227] close(3 [pid 5226] <... chdir resumed>) = 0 [pid 5224] +++ exited with 0 +++ [pid 5227] <... close resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5230 ./strace-static-x86_64: Process 5229 attached ./strace-static-x86_64: Process 5228 attached [pid 5227] symlink("/dev/binderfs", "./binderfs" [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5230] chdir("./36" [pid 5229] chdir("./34" [pid 5228] chdir("./36" [pid 5227] <... symlink resumed>) = 0 [pid 5226] <... prctl resumed>) = 0 [pid 5229] <... chdir resumed>) = 0 [pid 5228] <... chdir resumed>) = 0 [pid 5227] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5226] setpgid(0, 0 [pid 5230] <... chdir resumed>) = 0 [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5227] <... openat resumed>) = 3 [pid 5226] <... setpgid resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] <... prctl resumed>) = 0 [pid 5228] <... prctl resumed>) = 0 [pid 5227] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5229] setpgid(0, 0 [pid 5228] setpgid(0, 0 [pid 5227] <... mmap resumed>) = 0x20fff000 [pid 5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... openat resumed>) = 3 [pid 5230] <... prctl resumed>) = 0 [pid 5229] <... setpgid resumed>) = 0 [pid 5228] <... setpgid resumed>) = 0 [pid 5227] exit_group(0 [pid 5009] fstat(3, [pid 5230] setpgid(0, 0 [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5227] <... exit_group resumed>) = ? [pid 5226] <... openat resumed>) = 3 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5230] <... setpgid resumed>) = 0 [pid 5229] <... openat resumed>) = 3 [pid 5228] <... openat resumed>) = 3 [pid 5227] +++ exited with 0 +++ [pid 5226] write(3, "1000", 4 [pid 5009] getdents64(3, [pid 5229] write(3, "1000", 4 [pid 5228] write(3, "1000", 4 [pid 5226] <... write resumed>) = 4 [pid 5230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5229] <... write resumed>) = 4 [pid 5228] <... write resumed>) = 4 [pid 5226] close(3 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5230] <... openat resumed>) = 3 [pid 5229] close(3 [pid 5228] close(3 [pid 5226] <... close resumed>) = 0 [pid 5009] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5230] write(3, "1000", 4 [pid 5229] <... close resumed>) = 0 [pid 5228] <... close resumed>) = 0 [pid 5226] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5230] <... write resumed>) = 4 [pid 5229] symlink("/dev/binderfs", "./binderfs" [pid 5228] symlink("/dev/binderfs", "./binderfs" [pid 5226] <... symlink resumed>) = 0 [pid 5009] lstat("./36/binderfs", [pid 5005] <... restart_syscall resumed>) = 0 [pid 5230] close(3 [pid 5229] <... symlink resumed>) = 0 [pid 5228] <... symlink resumed>) = 0 [pid 5226] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5230] <... close resumed>) = 0 [pid 5229] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5228] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5230] symlink("/dev/binderfs", "./binderfs" [pid 5229] <... openat resumed>) = 3 [pid 5228] <... openat resumed>) = 3 [pid 5226] <... openat resumed>) = 3 [pid 5009] unlink("./36/binderfs" [pid 5230] <... symlink resumed>) = 0 [pid 5229] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5228] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5226] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... unlink resumed>) = 0 [pid 5005] umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5230] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5229] <... mmap resumed>) = 0x20fff000 [pid 5228] <... mmap resumed>) = 0x20fff000 [pid 5226] <... mmap resumed>) = 0x20fff000 [pid 5230] <... openat resumed>) = 3 [pid 5229] exit_group(0 [pid 5228] exit_group(0 [pid 5226] exit_group(0 [pid 5009] getdents64(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5230] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5229] <... exit_group resumed>) = ? [pid 5228] <... exit_group resumed>) = ? [pid 5226] <... exit_group resumed>) = ? [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] close(3) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5230] <... mmap resumed>) = 0x20fff000 [pid 5228] +++ exited with 0 +++ [pid 5009] rmdir("./36" [pid 5005] fstat(3, [pid 5009] <... rmdir resumed>) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5229] +++ exited with 0 +++ [pid 5009] mkdir("./37", 0777 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5005] getdents64(3, [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... openat resumed>) = 3 [pid 5226] +++ exited with 0 +++ [pid 5007] fstat(3, [pid 5006] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5230] exit_group(0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5231 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5230] <... exit_group resumed>) = ? [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5006] <... openat resumed>) = 3 [pid 5005] lstat("./32/binderfs", [pid 5010] <... restart_syscall resumed>) = 0 [pid 5007] getdents64(3, [pid 5006] fstat(3, [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] unlink("./32/binderfs" [pid 5230] +++ exited with 0 +++ [pid 5010] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] getdents64(3, [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5231 attached [pid 5010] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] lstat("./36/binderfs", [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] getdents64(3, [pid 5231] chdir("./37" [pid 5010] <... openat resumed>) = 3 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5231] <... chdir resumed>) = 0 [pid 5010] fstat(3, [pid 5008] <... restart_syscall resumed>) = 0 [pid 5007] unlink("./36/binderfs" [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5231] <... prctl resumed>) = 0 [pid 5010] getdents64(3, [pid 5007] <... unlink resumed>) = 0 [pid 5006] lstat("./34/binderfs", [pid 5005] close(3 [pid 5231] setpgid(0, 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] getdents64(3, [pid 5231] <... setpgid resumed>) = 0 [pid 5010] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... close resumed>) = 0 [pid 5231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] close(3 [pid 5006] unlink("./34/binderfs" [pid 5005] rmdir("./32" [pid 5231] <... openat resumed>) = 3 [pid 5010] lstat("./40/binderfs", [pid 5008] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 5231] write(3, "1000", 4 [pid 5008] fstat(3, [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5231] <... write resumed>) = 4 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5231] close(3 [pid 5010] unlink("./40/binderfs" [pid 5008] getdents64(3, [pid 5007] rmdir("./36" [pid 5006] getdents64(3, [pid 5005] <... rmdir resumed>) = 0 [pid 5231] <... close resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5231] symlink("/dev/binderfs", "./binderfs" [pid 5008] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5231] <... symlink resumed>) = 0 [pid 5010] getdents64(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... rmdir resumed>) = 0 [pid 5006] close(3 [pid 5005] mkdir("./33", 0777 [pid 5231] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] lstat("./36/binderfs", [pid 5007] mkdir("./37", 0777 [pid 5006] <... close resumed>) = 0 [pid 5231] <... openat resumed>) = 3 [pid 5010] close(3 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] rmdir("./34" [pid 5005] <... mkdir resumed>) = 0 [pid 5231] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... close resumed>) = 0 [pid 5008] unlink("./36/binderfs" [pid 5007] <... mkdir resumed>) = 0 [pid 5231] <... mmap resumed>) = 0x20fff000 [pid 5010] rmdir("./40" [pid 5006] <... rmdir resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5231] exit_group(0 [pid 5008] <... unlink resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5231] <... exit_group resumed>) = ? [pid 5231] +++ exited with 0 +++ [pid 5010] <... rmdir resumed>) = 0 [pid 5008] getdents64(3, [pid 5006] mkdir("./35", 0777 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5233 attached ./strace-static-x86_64: Process 5232 attached [pid 5010] mkdir("./41", 0777 [pid 5008] close(3 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5233 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5232 [pid 5233] chdir("./37" [pid 5010] <... mkdir resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... close resumed>) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5233] <... chdir resumed>) = 0 [pid 5233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5233] setpgid(0, 0) = 0 [pid 5233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5233] write(3, "1000", 4) = 4 [pid 5233] close(3) = 0 [pid 5233] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5234 [pid 5008] rmdir("./36" [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5235 [pid 5233] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC./strace-static-x86_64: Process 5234 attached ) = 3 [pid 5233] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5009] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] mkdir("./37", 0777 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5234] chdir("./41"./strace-static-x86_64: Process 5235 attached [pid 5233] <... mmap resumed>) = 0x20fff000 [pid 5232] chdir("./33" [pid 5009] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... mkdir resumed>) = 0 [pid 5234] <... chdir resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5232] <... chdir resumed>) = 0 [pid 5009] fstat(3, [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5234] setpgid(0, 0) = 0 [pid 5234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5009] getdents64(3, [pid 5232] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5236 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5232] <... prctl resumed>) = 0 [pid 5009] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5232] setpgid(0, 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5232] <... setpgid resumed>) = 0 [pid 5009] lstat("./37/binderfs", ./strace-static-x86_64: Process 5236 attached [pid 5234] write(3, "1000", 4 [pid 5233] exit_group(0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] unlink("./37/binderfs" [pid 5236] chdir("./37" [pid 5234] <... write resumed>) = 4 [pid 5233] <... exit_group resumed>) = ? [pid 5009] <... unlink resumed>) = 0 [pid 5236] <... chdir resumed>) = 0 [pid 5235] chdir("./35" [pid 5234] close(3 [pid 5233] +++ exited with 0 +++ [pid 5232] <... openat resumed>) = 3 [pid 5009] getdents64(3, [pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5235] <... chdir resumed>) = 0 [pid 5234] <... close resumed>) = 0 [pid 5232] write(3, "1000", 4 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5236] <... prctl resumed>) = 0 [pid 5235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5234] symlink("/dev/binderfs", "./binderfs" [pid 5232] <... write resumed>) = 4 [pid 5009] close(3 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5236] setpgid(0, 0 [pid 5235] <... prctl resumed>) = 0 [pid 5234] <... symlink resumed>) = 0 [pid 5232] close(3 [pid 5009] <... close resumed>) = 0 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5236] <... setpgid resumed>) = 0 [pid 5235] setpgid(0, 0 [pid 5234] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] rmdir("./37" [pid 5007] <... restart_syscall resumed>) = 0 [pid 5232] <... close resumed>) = 0 [pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5235] <... setpgid resumed>) = 0 [pid 5234] <... openat resumed>) = 3 [pid 5236] <... openat resumed>) = 3 [pid 5234] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5232] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... rmdir resumed>) = 0 [pid 5236] write(3, "1000", 4 [pid 5235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5234] <... mmap resumed>) = 0x20fff000 [pid 5009] mkdir("./38", 0777 [pid 5236] <... write resumed>) = 4 [pid 5234] exit_group(0 [pid 5232] <... symlink resumed>) = 0 [pid 5236] close(3 [pid 5234] <... exit_group resumed>) = ? [pid 5236] <... close resumed>) = 0 [pid 5235] <... openat resumed>) = 3 [pid 5234] +++ exited with 0 +++ [pid 5232] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... mkdir resumed>) = 0 [pid 5007] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5236] symlink("/dev/binderfs", "./binderfs" [pid 5235] write(3, "1000", 4 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5236] <... symlink resumed>) = 0 [pid 5235] <... write resumed>) = 4 [pid 5232] <... openat resumed>) = 3 [pid 5236] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5236] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5235] close(3 [pid 5232] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5236] exit_group(0 [pid 5235] <... close resumed>) = 0 [pid 5010] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5237 [pid 5236] <... exit_group resumed>) = ? [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5236] +++ exited with 0 +++ [pid 5235] symlink("/dev/binderfs", "./binderfs" [pid 5232] <... mmap resumed>) = 0x20fff000 [pid 5010] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... openat resumed>) = 3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] <... openat resumed>) = 3 [pid 5007] fstat(3, ./strace-static-x86_64: Process 5237 attached [pid 5010] fstat(3, [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5237] chdir("./38" [pid 5235] <... symlink resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, [pid 5232] exit_group(0 [pid 5010] getdents64(3, [pid 5237] <... chdir resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5232] <... exit_group resumed>) = ? [pid 5235] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./37/binderfs", [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5237] <... prctl resumed>) = 0 [pid 5010] lstat("./41/binderfs", [pid 5008] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] unlink("./37/binderfs" [pid 5237] setpgid(0, 0 [pid 5235] <... openat resumed>) = 3 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5237] <... setpgid resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5235] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] unlink("./41/binderfs" [pid 5008] fstat(3, [pid 5007] <... unlink resumed>) = 0 [pid 5237] <... openat resumed>) = 3 [pid 5237] write(3, "1000", 4) = 4 [pid 5010] <... unlink resumed>) = 0 [pid 5237] close(3 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, [pid 5010] getdents64(3, [pid 5237] <... close resumed>) = 0 [pid 5008] getdents64(3, [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5237] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5237] <... symlink resumed>) = 0 [pid 5010] close(3 [pid 5007] close(3 [pid 5237] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... close resumed>) = 0 [pid 5008] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5237] <... openat resumed>) = 3 [pid 5010] rmdir("./41" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... close resumed>) = 0 [pid 5237] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5235] <... mmap resumed>) = 0x20fff000 [pid 5232] +++ exited with 0 +++ [pid 5237] <... mmap resumed>) = 0x20fff000 [pid 5010] <... rmdir resumed>) = 0 [pid 5008] lstat("./37/binderfs", [pid 5007] rmdir("./37" [pid 5237] exit_group(0 [pid 5235] exit_group(0 [pid 5010] mkdir("./42", 0777 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5237] <... exit_group resumed>) = ? [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5232, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5237] +++ exited with 0 +++ [pid 5235] <... exit_group resumed>) = ? [pid 5010] <... mkdir resumed>) = 0 [pid 5008] unlink("./37/binderfs" [pid 5007] <... rmdir resumed>) = 0 [pid 5005] umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5237, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... unlink resumed>) = 0 [pid 5007] mkdir("./38", 0777 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] getdents64(3, ./strace-static-x86_64: Process 5238 attached [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5238] chdir("./42" [pid 5235] +++ exited with 0 +++ [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5238 [pid 5009] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] close(3 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] fstat(3, [pid 5238] <... chdir resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5008] <... close resumed>) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5235, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5008] rmdir("./37" [pid 5009] fstat(3, [pid 5238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5239 attached [pid 5238] <... prctl resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5239 [pid 5006] <... restart_syscall resumed>) = 0 [pid 5005] getdents64(3, [pid 5239] chdir("./38" [pid 5238] setpgid(0, 0 [pid 5009] getdents64(3, [pid 5008] mkdir("./38", 0777 [pid 5238] <... setpgid resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... mkdir resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... openat resumed>) = 3 [pid 5006] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, 0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] lstat("./38/binderfs", [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5240 [pid 5006] lstat("./35/binderfs", [pid 5005] lstat("./33/binderfs", [pid 5238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] unlink("./38/binderfs" [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5239] <... chdir resumed>) = 0 [pid 5006] unlink("./35/binderfs"./strace-static-x86_64: Process 5240 attached [pid 5239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5238] <... openat resumed>) = 3 [pid 5009] <... unlink resumed>) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5005] unlink("./33/binderfs" [pid 5240] chdir("./38" [pid 5239] <... prctl resumed>) = 0 [pid 5238] write(3, "1000", 4 [pid 5009] getdents64(3, [pid 5006] getdents64(3, [pid 5240] <... chdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5239] setpgid(0, 0 [pid 5238] <... write resumed>) = 4 [pid 5009] close(3 [pid 5006] close(3 [pid 5005] getdents64(3, [pid 5240] <... prctl resumed>) = 0 [pid 5239] <... setpgid resumed>) = 0 [pid 5238] close(3 [pid 5009] <... close resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5240] setpgid(0, 0 [pid 5238] <... close resumed>) = 0 [pid 5009] rmdir("./38" [pid 5006] rmdir("./35" [pid 5005] close(3 [pid 5240] <... setpgid resumed>) = 0 [pid 5239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5238] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... rmdir resumed>) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] mkdir("./39", 0777 [pid 5006] mkdir("./36", 0777 [pid 5005] <... close resumed>) = 0 [pid 5240] <... openat resumed>) = 3 [pid 5238] <... symlink resumed>) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] rmdir("./33" [pid 5240] write(3, "1000", 4 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5240] <... write resumed>) = 4 [pid 5005] <... rmdir resumed>) = 0 [pid 5240] close(3 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5241 [pid 5240] <... close resumed>) = 0 [pid 5240] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5242 [pid 5238] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5005] mkdir("./34", 0777 [pid 5240] <... symlink resumed>) = 0 [pid 5239] <... openat resumed>) = 3 [pid 5240] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC./strace-static-x86_64: Process 5242 attached [pid 5242] chdir("./39" [pid 5240] <... openat resumed>) = 3 [pid 5239] write(3, "1000", 4 [pid 5238] <... openat resumed>) = 3 [pid 5005] <... mkdir resumed>) = 0 [pid 5242] <... chdir resumed>) = 0 [pid 5240] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5239] <... write resumed>) = 4 [pid 5238] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5240] <... mmap resumed>) = 0x20fff000 [pid 5239] close(3 [pid 5242] <... prctl resumed>) = 0 [pid 5240] exit_group(0 [pid 5242] setpgid(0, 0 [pid 5240] <... exit_group resumed>) = ? [pid 5242] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5243 attached [pid 5242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5240] +++ exited with 0 +++ [pid 5239] <... close resumed>) = 0 [pid 5238] <... mmap resumed>) = 0x20fff000 ./strace-static-x86_64: Process 5241 attached [pid 5242] <... openat resumed>) = 3 [pid 5239] symlink("/dev/binderfs", "./binderfs" [pid 5238] exit_group(0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5243 [pid 5242] write(3, "1000", 4 [pid 5241] chdir("./36" [pid 5239] <... symlink resumed>) = 0 [pid 5238] <... exit_group resumed>) = ? [pid 5242] <... write resumed>) = 4 [pid 5241] <... chdir resumed>) = 0 [pid 5242] close(3 [pid 5241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5242] <... close resumed>) = 0 [pid 5242] symlink("/dev/binderfs", "./binderfs" [pid 5241] <... prctl resumed>) = 0 [pid 5242] <... symlink resumed>) = 0 [pid 5242] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5241] setpgid(0, 0 [pid 5242] <... openat resumed>) = 3 [pid 5241] <... setpgid resumed>) = 0 [pid 5239] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5238] +++ exited with 0 +++ [pid 5243] chdir("./34" [pid 5242] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5239] <... openat resumed>) = 3 [pid 5243] <... chdir resumed>) = 0 [pid 5242] <... mmap resumed>) = 0x20fff000 [pid 5241] <... openat resumed>) = 3 [pid 5239] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5242] exit_group(0 [pid 5241] write(3, "1000", 4 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5242] <... exit_group resumed>) = ? [pid 5241] <... write resumed>) = 4 [pid 5243] <... prctl resumed>) = 0 [pid 5242] +++ exited with 0 +++ [pid 5241] close(3 [pid 5239] <... mmap resumed>) = 0x20fff000 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5243] setpgid(0, 0 [pid 5241] <... close resumed>) = 0 [pid 5239] exit_group(0 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5243] <... setpgid resumed>) = 0 [pid 5241] symlink("/dev/binderfs", "./binderfs" [pid 5239] <... exit_group resumed>) = ? [pid 5008] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5241] <... symlink resumed>) = 0 [pid 5241] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5241] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5239] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... openat resumed>) = 3 [pid 5241] exit_group(0 [pid 5243] <... openat resumed>) = 3 [pid 5010] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5008] fstat(3, [pid 5243] write(3, "1000", 4 [pid 5241] <... exit_group resumed>) = ? [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... restart_syscall resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5243] <... write resumed>) = 4 [pid 5241] +++ exited with 0 +++ [pid 5010] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] getdents64(3, [pid 5007] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5243] close(3 [pid 5010] <... openat resumed>) = 3 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] fstat(3, [pid 5009] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5243] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5243] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... restart_syscall resumed>) = 0 [pid 5010] getdents64(3, [pid 5009] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] lstat("./38/binderfs", [pid 5007] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] <... openat resumed>) = 3 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] fstat(3, [pid 5010] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] fstat(3, [pid 5008] unlink("./38/binderfs" [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] getdents64(3, [pid 5008] <... unlink resumed>) = 0 [pid 5007] getdents64(3, [pid 5006] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] lstat("./42/binderfs", [pid 5243] <... symlink resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] getdents64(3, [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... openat resumed>) = 3 [pid 5243] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] fstat(3, [pid 5010] unlink("./42/binderfs" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] close(3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5243] <... openat resumed>) = 3 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, 0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] <... unlink resumed>) = 0 [pid 5009] lstat("./39/binderfs", [pid 5007] lstat("./38/binderfs", [pid 5006] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] getdents64(3, [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... close resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5243] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] unlink("./39/binderfs" [pid 5008] rmdir("./38" [pid 5007] unlink("./38/binderfs" [pid 5006] lstat("./36/binderfs", [pid 5010] close(3 [pid 5009] <... unlink resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./36/binderfs" [pid 5008] <... rmdir resumed>) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5006] getdents64(3, [pid 5010] <... close resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] mkdir("./39", 0777 [pid 5007] getdents64(3, [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] rmdir("./42" [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] close(3) = 0 [pid 5006] rmdir("./36" [pid 5009] close(3 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] close(3 [pid 5006] mkdir("./37", 0777 [pid 5010] mkdir("./43", 0777 [pid 5009] rmdir("./39" [pid 5006] <... mkdir resumed>) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... rmdir resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] mkdir("./40", 0777 [pid 5007] rmdir("./38" [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5244 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5245 ./strace-static-x86_64: Process 5244 attached [pid 5007] <... rmdir resumed>) = 0 [pid 5244] chdir("./39" [pid 5009] <... mkdir resumed>) = 0 [pid 5007] mkdir("./39", 0777 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5244] <... chdir resumed>) = 0 [pid 5244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... mkdir resumed>) = 0 [pid 5244] <... prctl resumed>) = 0 [pid 5244] setpgid(0, 0) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5246 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5243] <... mmap resumed>) = 0x20fff000 [pid 5244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5245 attached [pid 5245] chdir("./37" [pid 5244] <... openat resumed>) = 3 [pid 5245] <... chdir resumed>) = 0 [pid 5244] write(3, "1000", 4 [pid 5245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5244] <... write resumed>) = 4 [pid 5245] <... prctl resumed>) = 0 [pid 5244] close(3 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5247 [pid 5243] exit_group(0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5248 ./strace-static-x86_64: Process 5248 attached ./strace-static-x86_64: Process 5247 attached ./strace-static-x86_64: Process 5246 attached [pid 5245] setpgid(0, 0 [pid 5244] <... close resumed>) = 0 [pid 5243] <... exit_group resumed>) = ? [pid 5247] chdir("./39" [pid 5245] <... setpgid resumed>) = 0 [pid 5244] symlink("/dev/binderfs", "./binderfs" [pid 5247] <... chdir resumed>) = 0 [pid 5245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5244] <... symlink resumed>) = 0 [pid 5243] +++ exited with 0 +++ [pid 5248] chdir("./40" [pid 5247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5246] chdir("./43" [pid 5245] <... openat resumed>) = 3 [pid 5244] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5248] <... chdir resumed>) = 0 [pid 5247] <... prctl resumed>) = 0 [pid 5246] <... chdir resumed>) = 0 [pid 5245] write(3, "1000", 4 [pid 5244] <... openat resumed>) = 3 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5243, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5247] setpgid(0, 0 [pid 5246] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5245] <... write resumed>) = 4 [pid 5244] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5248] <... prctl resumed>) = 0 [pid 5247] <... setpgid resumed>) = 0 [pid 5246] <... prctl resumed>) = 0 [pid 5245] close(3 [pid 5005] <... restart_syscall resumed>) = 0 [pid 5248] setpgid(0, 0 [pid 5245] <... close resumed>) = 0 [pid 5248] <... setpgid resumed>) = 0 [pid 5247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5246] setpgid(0, 0 [pid 5245] symlink("/dev/binderfs", "./binderfs" [pid 5244] <... mmap resumed>) = 0x20fff000 [pid 5248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5248] <... openat resumed>) = 3 [pid 5247] <... openat resumed>) = 3 [pid 5246] <... setpgid resumed>) = 0 [pid 5245] <... symlink resumed>) = 0 [pid 5244] exit_group(0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5248] write(3, "1000", 4 [pid 5247] write(3, "1000", 4 [pid 5246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5248] <... write resumed>) = 4 [pid 5247] <... write resumed>) = 4 [pid 5246] <... openat resumed>) = 3 [pid 5245] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5244] <... exit_group resumed>) = ? [pid 5005] <... openat resumed>) = 3 [pid 5248] close(3 [pid 5247] close(3 [pid 5246] write(3, "1000", 4 [pid 5245] <... openat resumed>) = 3 [pid 5005] fstat(3, [pid 5248] <... close resumed>) = 0 [pid 5247] <... close resumed>) = 0 [pid 5246] <... write resumed>) = 4 [pid 5245] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5244] +++ exited with 0 +++ [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5248] symlink("/dev/binderfs", "./binderfs" [pid 5247] symlink("/dev/binderfs", "./binderfs" [pid 5246] close(3 [pid 5005] getdents64(3, [pid 5248] <... symlink resumed>) = 0 [pid 5247] <... symlink resumed>) = 0 [pid 5246] <... close resumed>) = 0 [pid 5245] <... mmap resumed>) = 0x20fff000 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5244, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5248] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5247] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5245] exit_group(0 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5246] symlink("/dev/binderfs", "./binderfs" [pid 5005] umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5248] <... openat resumed>) = 3 [pid 5247] <... openat resumed>) = 3 [pid 5245] <... exit_group resumed>) = ? [pid 5008] <... restart_syscall resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5248] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5247] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5246] <... symlink resumed>) = 0 [pid 5005] lstat("./34/binderfs", [pid 5248] <... mmap resumed>) = 0x20fff000 [pid 5245] +++ exited with 0 +++ [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5248] exit_group(0 [pid 5247] <... mmap resumed>) = 0x20fff000 [pid 5246] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] unlink("./34/binderfs" [pid 5248] <... exit_group resumed>) = ? [pid 5247] exit_group(0 [pid 5246] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... unlink resumed>) = 0 [pid 5247] <... exit_group resumed>) = ? [pid 5246] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5248] +++ exited with 0 +++ [pid 5008] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(3, [pid 5247] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... openat resumed>) = 3 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] fstat(3, [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] close(3 [pid 5246] <... mmap resumed>) = 0x20fff000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5006] <... openat resumed>) = 3 [pid 5005] <... close resumed>) = 0 [pid 5246] exit_group(0 [pid 5008] getdents64(3, [pid 5007] <... restart_syscall resumed>) = 0 [pid 5006] fstat(3, [pid 5005] rmdir("./34" [pid 5246] <... exit_group resumed>) = ? [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] getdents64(3, [pid 5005] <... rmdir resumed>) = 0 [pid 5009] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] mkdir("./35", 0777 [pid 5246] +++ exited with 0 +++ [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./39/binderfs", [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... openat resumed>) = 3 [pid 5008] unlink("./39/binderfs" [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] fstat(3, [pid 5007] <... openat resumed>) = 3 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5007] fstat(3, [pid 5006] lstat("./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5249 attached [pid 5010] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] getdents64(3, [pid 5008] getdents64(3, [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] unlink("./37/binderfs" [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5249 [pid 5249] chdir("./35" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] getdents64(3, [pid 5006] <... unlink resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] close(3 [pid 5249] <... chdir resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] getdents64(3, [pid 5249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] fstat(3, [pid 5009] lstat("./40/binderfs", [pid 5008] <... close resumed>) = 0 [pid 5007] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5249] <... prctl resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] rmdir("./39" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5249] setpgid(0, 0 [pid 5010] getdents64(3, [pid 5009] unlink("./40/binderfs" [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... rmdir resumed>) = 0 [pid 5007] lstat("./39/binderfs", [pid 5006] close(3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... unlink resumed>) = 0 [pid 5010] lstat("./43/binderfs", [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5249] <... setpgid resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] getdents64(3, [pid 5008] mkdir("./40", 0777 [pid 5006] <... close resumed>) = 0 [pid 5007] unlink("./39/binderfs" [pid 5010] unlink("./43/binderfs" [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5010] getdents64(3, 0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5006] rmdir("./37" [pid 5010] close(3) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5010] rmdir("./43") = 0 [pid 5009] close(3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] getdents64(3, [pid 5006] <... rmdir resumed>) = 0 [pid 5249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] mkdir("./44", 0777 [pid 5009] <... close resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] rmdir("./40" [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] mkdir("./38", 0777 [pid 5249] <... openat resumed>) = 3 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... rmdir resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5250 [pid 5007] close(3 [pid 5006] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5250 attached ./strace-static-x86_64: Process 5251 attached [pid 5249] write(3, "1000", 4 [pid 5009] mkdir("./41", 0777 [pid 5007] <... close resumed>) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5250] chdir("./40" [pid 5249] <... write resumed>) = 4 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5251 [pid 5009] <... mkdir resumed>) = 0 [pid 5007] rmdir("./39" [pid 5250] <... chdir resumed>) = 0 [pid 5249] close(3 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5249] <... close resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5250] <... prctl resumed>) = 0 [pid 5249] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5253 [pid 5007] mkdir("./40", 0777 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5252 ./strace-static-x86_64: Process 5252 attached [pid 5251] chdir("./44" [pid 5250] setpgid(0, 0 [pid 5249] <... symlink resumed>) = 0 [pid 5250] <... setpgid resumed>) = 0 [pid 5249] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5249] <... openat resumed>) = 3 [pid 5007] <... mkdir resumed>) = 0 [pid 5251] <... chdir resumed>) = 0 [pid 5250] <... openat resumed>) = 3 [pid 5249] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5253 attached [pid 5252] chdir("./38" [pid 5251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5250] write(3, "1000", 4 [pid 5249] <... mmap resumed>) = 0x20fff000 [pid 5250] <... write resumed>) = 4 [pid 5249] exit_group(0 [pid 5250] close(3 [pid 5249] <... exit_group resumed>) = ? [pid 5251] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5254 attached [pid 5253] chdir("./41" [pid 5252] <... chdir resumed>) = 0 [pid 5251] setpgid(0, 0 [pid 5250] <... close resumed>) = 0 [pid 5249] +++ exited with 0 +++ [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5254 [pid 5253] <... chdir resumed>) = 0 [pid 5252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5251] <... setpgid resumed>) = 0 [pid 5250] symlink("/dev/binderfs", "./binderfs" [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5249, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5254] chdir("./40" [pid 5253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5252] <... prctl resumed>) = 0 [pid 5251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5250] <... symlink resumed>) = 0 [pid 5254] <... chdir resumed>) = 0 [pid 5253] <... prctl resumed>) = 0 [pid 5252] setpgid(0, 0 [pid 5251] <... openat resumed>) = 3 [pid 5250] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5253] setpgid(0, 0 [pid 5252] <... setpgid resumed>) = 0 [pid 5251] write(3, "1000", 4 [pid 5254] <... prctl resumed>) = 0 [pid 5253] <... setpgid resumed>) = 0 [pid 5252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5251] <... write resumed>) = 4 [pid 5250] <... openat resumed>) = 3 [pid 5254] setpgid(0, 0 [pid 5253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5252] <... openat resumed>) = 3 [pid 5251] close(3 [pid 5250] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5254] <... setpgid resumed>) = 0 [pid 5253] <... openat resumed>) = 3 [pid 5252] write(3, "1000", 4 [pid 5251] <... close resumed>) = 0 [pid 5005] umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5253] write(3, "1000", 4 [pid 5252] <... write resumed>) = 4 [pid 5251] symlink("/dev/binderfs", "./binderfs" [pid 5250] <... mmap resumed>) = 0x20fff000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5253] <... write resumed>) = 4 [pid 5252] close(3 [pid 5251] <... symlink resumed>) = 0 [pid 5250] exit_group(0 [pid 5005] openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5254] <... openat resumed>) = 3 [pid 5253] close(3 [pid 5252] <... close resumed>) = 0 [pid 5251] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5250] <... exit_group resumed>) = ? [pid 5005] <... openat resumed>) = 3 [pid 5254] write(3, "1000", 4 [pid 5253] <... close resumed>) = 0 [pid 5252] symlink("/dev/binderfs", "./binderfs" [pid 5251] <... openat resumed>) = 3 [pid 5005] fstat(3, [pid 5253] symlink("/dev/binderfs", "./binderfs" [pid 5252] <... symlink resumed>) = 0 [pid 5251] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5250] +++ exited with 0 +++ [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5254] <... write resumed>) = 4 [pid 5253] <... symlink resumed>) = 0 [pid 5252] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5251] <... mmap resumed>) = 0x20fff000 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] getdents64(3, [pid 5254] close(3 [pid 5253] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5252] <... openat resumed>) = 3 [pid 5251] exit_group(0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5254] <... close resumed>) = 0 [pid 5253] <... openat resumed>) = 3 [pid 5252] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5251] <... exit_group resumed>) = ? [pid 5005] umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5254] symlink("/dev/binderfs", "./binderfs" [pid 5253] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5252] <... mmap resumed>) = 0x20fff000 [pid 5251] +++ exited with 0 +++ [pid 5008] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5254] <... symlink resumed>) = 0 [pid 5253] <... mmap resumed>) = 0x20fff000 [pid 5252] exit_group(0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./35/binderfs", [pid 5254] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5253] exit_group(0 [pid 5252] <... exit_group resumed>) = ? [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5254] <... openat resumed>) = 3 [pid 5253] <... exit_group resumed>) = ? [pid 5252] +++ exited with 0 +++ [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5008] <... openat resumed>) = 3 [pid 5005] unlink("./35/binderfs" [pid 5254] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5008] fstat(3, [pid 5254] <... mmap resumed>) = 0x20fff000 [pid 5253] +++ exited with 0 +++ [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... unlink resumed>) = 0 [pid 5254] exit_group(0 [pid 5008] getdents64(3, [pid 5006] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(3, [pid 5254] <... exit_group resumed>) = ? [pid 5010] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5253, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./35" [pid 5254] +++ exited with 0 +++ [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5008] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... rmdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... restart_syscall resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] <... openat resumed>) = 3 [pid 5010] <... openat resumed>) = 3 [pid 5008] lstat("./40/binderfs", [pid 5006] fstat(3, [pid 5005] mkdir("./36", 0777 [pid 5010] fstat(3, [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] unlink("./40/binderfs" [pid 5006] getdents64(3, [pid 5010] getdents64(3, [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... mkdir resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... unlink resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... openat resumed>) = 3 [pid 5008] getdents64(3, [pid 5007] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] fstat(3, [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./44/binderfs", [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] close(3 [pid 5006] lstat("./38/binderfs", [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] getdents64(3, [pid 5008] <... close resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5255 [pid 5010] unlink("./44/binderfs" [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] rmdir("./40" [pid 5007] fstat(3, [pid 5006] unlink("./38/binderfs" [pid 5010] <... unlink resumed>) = 0 [pid 5009] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5010] getdents64(3, [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] mkdir("./41", 0777 [pid 5006] getdents64(3, [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] lstat("./41/binderfs", [pid 5008] <... mkdir resumed>) = 0 [pid 5007] getdents64(3, [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] close(3 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] close(3./strace-static-x86_64: Process 5255 attached [pid 5010] <... close resumed>) = 0 [pid 5009] unlink("./41/binderfs" [pid 5007] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... close resumed>) = 0 ./strace-static-x86_64: Process 5256 attached [pid 5255] chdir("./36" [pid 5010] rmdir("./44" [pid 5009] <... unlink resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5256 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] rmdir("./38" [pid 5256] chdir("./41" [pid 5255] <... chdir resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5007] lstat("./40/binderfs", [pid 5006] <... rmdir resumed>) = 0 [pid 5255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] mkdir("./45", 0777 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] mkdir("./39", 0777 [pid 5256] <... chdir resumed>) = 0 [pid 5255] <... prctl resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] close(3 [pid 5007] unlink("./40/binderfs" [pid 5006] <... mkdir resumed>) = 0 [pid 5255] setpgid(0, 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... close resumed>) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5257 attached ./strace-static-x86_64: Process 5258 attached [pid 5256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5255] <... setpgid resumed>) = 0 [pid 5009] rmdir("./41" [pid 5007] <... unlink resumed>) = 0 [pid 5257] chdir("./45" [pid 5256] <... prctl resumed>) = 0 [pid 5255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5257 [pid 5009] <... rmdir resumed>) = 0 [pid 5007] getdents64(3, [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5258 [pid 5255] <... openat resumed>) = 3 [pid 5009] mkdir("./42", 0777 [pid 5258] chdir("./39" [pid 5257] <... chdir resumed>) = 0 [pid 5256] setpgid(0, 0 [pid 5255] write(3, "1000", 4 [pid 5009] <... mkdir resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5256] <... setpgid resumed>) = 0 [pid 5255] <... write resumed>) = 4 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] close(3./strace-static-x86_64: Process 5259 attached [pid 5258] <... chdir resumed>) = 0 [pid 5257] <... prctl resumed>) = 0 [pid 5256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5255] close(3 [pid 5258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5255] <... close resumed>) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5259 [pid 5258] <... prctl resumed>) = 0 [pid 5255] symlink("/dev/binderfs", "./binderfs" [pid 5258] setpgid(0, 0 [pid 5255] <... symlink resumed>) = 0 [pid 5258] <... setpgid resumed>) = 0 [pid 5257] setpgid(0, 0 [pid 5256] <... openat resumed>) = 3 [pid 5255] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5007] <... close resumed>) = 0 [pid 5259] chdir("./42" [pid 5258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5257] <... setpgid resumed>) = 0 [pid 5256] write(3, "1000", 4 [pid 5255] <... openat resumed>) = 3 [pid 5007] rmdir("./40" [pid 5258] <... openat resumed>) = 3 [pid 5257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5256] <... write resumed>) = 4 [pid 5255] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5259] <... chdir resumed>) = 0 [pid 5258] write(3, "1000", 4 [pid 5257] <... openat resumed>) = 3 [pid 5256] close(3 [pid 5255] <... mmap resumed>) = 0x20fff000 [pid 5007] <... rmdir resumed>) = 0 [pid 5259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5258] <... write resumed>) = 4 [pid 5257] write(3, "1000", 4 [pid 5256] <... close resumed>) = 0 [pid 5255] exit_group(0 [pid 5007] mkdir("./41", 0777 [pid 5258] close(3 [pid 5257] <... write resumed>) = 4 [pid 5256] symlink("/dev/binderfs", "./binderfs" [pid 5255] <... exit_group resumed>) = ? [pid 5259] <... prctl resumed>) = 0 [pid 5258] <... close resumed>) = 0 [pid 5257] close(3 [pid 5256] <... symlink resumed>) = 0 [pid 5255] +++ exited with 0 +++ [pid 5007] <... mkdir resumed>) = 0 [pid 5258] symlink("/dev/binderfs", "./binderfs" [pid 5257] <... close resumed>) = 0 [pid 5256] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5260 attached [pid 5259] setpgid(0, 0 [pid 5258] <... symlink resumed>) = 0 [pid 5257] symlink("/dev/binderfs", "./binderfs" [pid 5256] <... openat resumed>) = 3 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5259] <... setpgid resumed>) = 0 [pid 5258] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5257] <... symlink resumed>) = 0 [pid 5256] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5260 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5260] chdir("./41" [pid 5259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5258] <... openat resumed>) = 3 [pid 5257] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5256] <... mmap resumed>) = 0x20fff000 [pid 5005] <... restart_syscall resumed>) = 0 [pid 5260] <... chdir resumed>) = 0 [pid 5259] <... openat resumed>) = 3 [pid 5258] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5257] <... openat resumed>) = 3 [pid 5256] exit_group(0 [pid 5259] write(3, "1000", 4 [pid 5257] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5256] <... exit_group resumed>) = ? [pid 5260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5259] <... write resumed>) = 4 [pid 5258] <... mmap resumed>) = 0x20fff000 [pid 5257] <... mmap resumed>) = 0x20fff000 [pid 5256] +++ exited with 0 +++ [pid 5005] umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5259] close(3 [pid 5258] exit_group(0 [pid 5257] exit_group(0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5260] <... prctl resumed>) = 0 [pid 5259] <... close resumed>) = 0 [pid 5258] <... exit_group resumed>) = ? [pid 5257] <... exit_group resumed>) = ? [pid 5005] openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5260] setpgid(0, 0 [pid 5259] symlink("/dev/binderfs", "./binderfs" [pid 5258] +++ exited with 0 +++ [pid 5257] +++ exited with 0 +++ [pid 5005] <... openat resumed>) = 3 [pid 5260] <... setpgid resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5259] <... symlink resumed>) = 0 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] fstat(3, [pid 5260] <... openat resumed>) = 3 [pid 5259] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... restart_syscall resumed>) = 0 [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5260] write(3, "1000", 4 [pid 5006] <... restart_syscall resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5260] <... write resumed>) = 4 [pid 5259] <... openat resumed>) = 3 [pid 5005] getdents64(3, [pid 5260] close(3 [pid 5259] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5260] <... close resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5260] symlink("/dev/binderfs", "./binderfs" [pid 5259] <... mmap resumed>) = 0x20fff000 [pid 5010] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5260] <... symlink resumed>) = 0 [pid 5259] exit_group(0 [pid 5010] <... openat resumed>) = 3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5260] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5259] <... exit_group resumed>) = ? [pid 5010] fstat(3, [pid 5008] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... openat resumed>) = 3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5260] <... openat resumed>) = 3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] fstat(3, [pid 5260] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] getdents64(3, [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5260] <... mmap resumed>) = 0x20fff000 [pid 5259] +++ exited with 0 +++ [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] <... openat resumed>) = 3 [pid 5006] getdents64(3, [pid 5005] lstat("./36/binderfs", [pid 5260] exit_group(0 [pid 5010] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5260] <... exit_group resumed>) = ? [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] fstat(3, [pid 5006] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5260] +++ exited with 0 +++ [pid 5010] lstat("./45/binderfs", [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] unlink("./36/binderfs" [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(3, [pid 5006] lstat("./39/binderfs", [pid 5010] unlink("./45/binderfs" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] unlink("./39/binderfs" [pid 5005] getdents64(3, [pid 5010] getdents64(3, [pid 5009] <... openat resumed>) = 3 [pid 5008] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... unlink resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] fstat(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] getdents64(3, [pid 5005] close(3 [pid 5010] close(3 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] lstat("./41/binderfs", [pid 5007] <... openat resumed>) = 3 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] fstat(3, [pid 5006] close(3 [pid 5005] <... close resumed>) = 0 [pid 5010] rmdir("./45" [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] unlink("./41/binderfs" [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... close resumed>) = 0 [pid 5005] rmdir("./36" [pid 5010] <... rmdir resumed>) = 0 [pid 5009] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] rmdir("./39" [pid 5010] mkdir("./46", 0777 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... unlink resumed>) = 0 [pid 5007] getdents64(3, [pid 5006] <... rmdir resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] lstat("./42/binderfs", [pid 5008] getdents64(3, [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] mkdir("./40", 0777 [pid 5005] mkdir("./37", 0777 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... mkdir resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5261 attached [pid 5009] unlink("./42/binderfs" [pid 5008] close(3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5262 attached ./strace-static-x86_64: Process 5263 attached [pid 5261] chdir("./46" [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5261 [pid 5009] <... unlink resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5007] lstat("./41/binderfs", [pid 5263] chdir("./37" [pid 5262] chdir("./40" [pid 5261] <... chdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] rmdir("./41" [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5262 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5263 [pid 5263] <... chdir resumed>) = 0 [pid 5262] <... chdir resumed>) = 0 [pid 5261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] unlink("./41/binderfs" [pid 5263] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5261] <... prctl resumed>) = 0 [pid 5009] close(3 [pid 5008] mkdir("./42", 0777 [pid 5007] <... unlink resumed>) = 0 [pid 5263] <... prctl resumed>) = 0 [pid 5262] <... prctl resumed>) = 0 [pid 5261] setpgid(0, 0 [pid 5009] <... close resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] getdents64(3, [pid 5263] setpgid(0, 0 [pid 5262] setpgid(0, 0 [pid 5261] <... setpgid resumed>) = 0 [pid 5009] rmdir("./42" [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5263] <... setpgid resumed>) = 0 [pid 5262] <... setpgid resumed>) = 0 [pid 5261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... rmdir resumed>) = 0 [pid 5007] close(3 [pid 5262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] mkdir("./43", 0777 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5264 [pid 5007] <... close resumed>) = 0 [pid 5263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5262] <... openat resumed>) = 3 [pid 5261] <... openat resumed>) = 3 [pid 5009] <... mkdir resumed>) = 0 [pid 5007] rmdir("./41"./strace-static-x86_64: Process 5264 attached [pid 5263] <... openat resumed>) = 3 [pid 5262] write(3, "1000", 4 [pid 5261] write(3, "1000", 4 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... rmdir resumed>) = 0 [pid 5263] write(3, "1000", 4 [pid 5262] <... write resumed>) = 4 [pid 5261] <... write resumed>) = 4 [pid 5263] <... write resumed>) = 4 [pid 5262] close(3 [pid 5261] close(3 [pid 5263] close(3 [pid 5262] <... close resumed>) = 0 [pid 5261] <... close resumed>) = 0 [pid 5263] <... close resumed>) = 0 [pid 5262] symlink("/dev/binderfs", "./binderfs" [pid 5261] symlink("/dev/binderfs", "./binderfs" [pid 5263] symlink("/dev/binderfs", "./binderfs" [pid 5262] <... symlink resumed>) = 0 [pid 5261] <... symlink resumed>) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5265 [pid 5007] mkdir("./42", 0777./strace-static-x86_64: Process 5265 attached [pid 5264] chdir("./42" [pid 5263] <... symlink resumed>) = 0 [pid 5262] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5261] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5263] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5262] <... openat resumed>) = 3 [pid 5264] <... chdir resumed>) = 0 [pid 5261] <... openat resumed>) = 3 [pid 5007] <... mkdir resumed>) = 0 [pid 5265] chdir("./43" [pid 5263] <... openat resumed>) = 3 [pid 5262] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5261] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5265] <... chdir resumed>) = 0 [pid 5264] <... prctl resumed>) = 0 [pid 5263] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5262] <... mmap resumed>) = 0x20fff000 [pid 5261] <... mmap resumed>) = 0x20fff000 [pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5264] setpgid(0, 0 [pid 5263] <... mmap resumed>) = 0x20fff000 ./strace-static-x86_64: Process 5266 attached [pid 5265] <... prctl resumed>) = 0 [pid 5264] <... setpgid resumed>) = 0 [pid 5263] exit_group(0 [pid 5262] exit_group(0 [pid 5261] exit_group(0 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5266 [pid 5266] chdir("./42" [pid 5265] setpgid(0, 0 [pid 5264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5263] <... exit_group resumed>) = ? [pid 5262] <... exit_group resumed>) = ? [pid 5261] <... exit_group resumed>) = ? [pid 5266] <... chdir resumed>) = 0 [pid 5265] <... setpgid resumed>) = 0 [pid 5264] <... openat resumed>) = 3 [pid 5263] +++ exited with 0 +++ [pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5264] write(3, "1000", 4 [pid 5262] +++ exited with 0 +++ [pid 5266] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5265] <... openat resumed>) = 3 [pid 5264] <... write resumed>) = 4 [pid 5261] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5266] <... prctl resumed>) = 0 [pid 5265] write(3, "1000", 4 [pid 5264] close(3 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5266] setpgid(0, 0 [pid 5265] <... write resumed>) = 4 [pid 5264] <... close resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5266] <... setpgid resumed>) = 0 [pid 5265] close(3 [pid 5264] symlink("/dev/binderfs", "./binderfs" [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5006] <... restart_syscall resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5265] <... close resumed>) = 0 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5266] <... openat resumed>) = 3 [pid 5265] symlink("/dev/binderfs", "./binderfs" [pid 5264] <... symlink resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5266] write(3, "1000", 4 [pid 5265] <... symlink resumed>) = 0 [pid 5006] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5266] <... write resumed>) = 4 [pid 5264] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... openat resumed>) = 3 [pid 5266] close(3 [pid 5265] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] fstat(3, [pid 5266] <... close resumed>) = 0 [pid 5265] <... openat resumed>) = 3 [pid 5264] <... openat resumed>) = 3 [pid 5010] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... openat resumed>) = 3 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5266] symlink("/dev/binderfs", "./binderfs" [pid 5265] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5264] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... openat resumed>) = 3 [pid 5006] fstat(3, [pid 5005] getdents64(3, [pid 5266] <... symlink resumed>) = 0 [pid 5265] <... mmap resumed>) = 0x20fff000 [pid 5010] fstat(3, [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5266] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5265] exit_group(0 [pid 5264] <... mmap resumed>) = 0x20fff000 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5266] <... openat resumed>) = 3 [pid 5265] <... exit_group resumed>) = ? [pid 5264] exit_group(0 [pid 5010] getdents64(3, [pid 5006] getdents64(3, [pid 5005] umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5266] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5265] +++ exited with 0 +++ [pid 5264] <... exit_group resumed>) = ? [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5266] <... mmap resumed>) = 0x20fff000 [pid 5264] +++ exited with 0 +++ [pid 5010] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5266] exit_group(0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] lstat("./37/binderfs", [pid 5266] <... exit_group resumed>) = ? [pid 5010] lstat("./46/binderfs", [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5266] +++ exited with 0 +++ [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5006] lstat("./40/binderfs", [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] unlink("./46/binderfs" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... restart_syscall resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] unlink("./40/binderfs" [pid 5005] unlink("./37/binderfs" [pid 5010] getdents64(3, [pid 5009] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5010] close(3) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5010] rmdir("./46") = 0 [pid 5009] fstat(3, [pid 5008] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... restart_syscall resumed>) = 0 [pid 5006] getdents64(3, [pid 5005] <... unlink resumed>) = 0 [pid 5010] mkdir("./47", 0777 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] getdents64(3, [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] <... openat resumed>) = 3 [pid 5006] close(3 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5267 attached [pid 5009] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] fstat(3, [pid 5007] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... close resumed>) = 0 [pid 5005] close(3 [pid 5267] chdir("./47" [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5267 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] rmdir("./40" [pid 5267] <... chdir resumed>) = 0 [pid 5009] lstat("./43/binderfs", [pid 5008] getdents64(3, [pid 5007] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... close resumed>) = 0 [pid 5267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5267] setpgid(0, 0) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] rmdir("./37" [pid 5007] <... openat resumed>) = 3 [pid 5267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5267] <... openat resumed>) = 3 [pid 5009] unlink("./43/binderfs" [pid 5008] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] fstat(3, [pid 5006] mkdir("./41", 0777 [pid 5005] <... rmdir resumed>) = 0 [pid 5267] write(3, "1000", 4) = 4 [pid 5009] <... unlink resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] mkdir("./38", 0777 [pid 5267] close(3) = 0 [pid 5267] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5008] lstat("./42/binderfs", [pid 5007] getdents64(3, [pid 5006] <... mkdir resumed>) = 0 [pid 5267] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] getdents64(3, [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5267] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] unlink("./42/binderfs" [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5267] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] close(3 [pid 5007] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5267] <... mmap resumed>) = 0x20fff000 [pid 5008] <... unlink resumed>) = 0 [pid 5267] exit_group(0 [pid 5009] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5267] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5268 attached [pid 5009] rmdir("./43" [pid 5008] getdents64(3, [pid 5007] lstat("./42/binderfs", [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5268 ./strace-static-x86_64: Process 5269 attached [pid 5267] +++ exited with 0 +++ [pid 5269] chdir("./41" [pid 5009] <... rmdir resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5269 [pid 5269] <... chdir resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] mkdir("./44", 0777 [pid 5008] close(3 [pid 5007] unlink("./42/binderfs" [pid 5269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5269] <... prctl resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5269] setpgid(0, 0 [pid 5010] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5269] <... setpgid resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5009] <... mkdir resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] fstat(3, [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] rmdir("./42" [pid 5007] <... unlink resumed>) = 0 [pid 5269] <... openat resumed>) = 3 [pid 5268] chdir("./38" [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5269] write(3, "1000", 4 [pid 5010] getdents64(3, [pid 5269] <... write resumed>) = 4 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5269] close(3 [pid 5010] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5269] <... close resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5269] symlink("/dev/binderfs", "./binderfs" [pid 5010] lstat("./47/binderfs", [pid 5269] <... symlink resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5270 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] getdents64(3, [pid 5269] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] unlink("./47/binderfs" [pid 5008] mkdir("./43", 0777 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5270 attached [pid 5269] <... openat resumed>) = 3 [pid 5268] <... chdir resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5269] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] getdents64(3, [pid 5008] <... mkdir resumed>) = 0 [pid 5268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] close(3 [pid 5270] chdir("./44" [pid 5269] <... mmap resumed>) = 0x20fff000 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... close resumed>) = 0 [pid 5270] <... chdir resumed>) = 0 [pid 5269] exit_group(0 [pid 5268] <... prctl resumed>) = 0 [pid 5010] close(3 [pid 5269] <... exit_group resumed>) = ? [pid 5010] <... close resumed>) = 0 [pid 5270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5268] setpgid(0, 0 [pid 5010] rmdir("./47" [pid 5007] rmdir("./42"./strace-static-x86_64: Process 5271 attached [pid 5270] <... prctl resumed>) = 0 [pid 5269] +++ exited with 0 +++ [pid 5268] <... setpgid resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5271 [pid 5007] <... rmdir resumed>) = 0 [pid 5010] mkdir("./48", 0777 [pid 5271] chdir("./43" [pid 5270] setpgid(0, 0 [pid 5268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... mkdir resumed>) = 0 [pid 5007] mkdir("./43", 0777 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5271] <... chdir resumed>) = 0 [pid 5270] <... setpgid resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5268] <... openat resumed>) = 3 [pid 5007] <... mkdir resumed>) = 0 [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5271] <... prctl resumed>) = 0 [pid 5268] write(3, "1000", 4 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5272 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... restart_syscall resumed>) = 0 [pid 5271] setpgid(0, 0 [pid 5270] <... openat resumed>) = 3 [pid 5268] <... write resumed>) = 4 [pid 5271] <... setpgid resumed>) = 0 [pid 5271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5270] write(3, "1000", 4 [pid 5268] close(3 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5273 [pid 5271] write(3, "1000", 4) = 4 [pid 5268] <... close resumed>) = 0 [pid 5270] <... write resumed>) = 4 [pid 5006] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5272 attached [pid 5271] close(3 [pid 5268] symlink("/dev/binderfs", "./binderfs" [pid 5272] chdir("./48" [pid 5271] <... close resumed>) = 0 [pid 5270] close(3 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5272] <... chdir resumed>) = 0 [pid 5271] symlink("/dev/binderfs", "./binderfs" [pid 5270] <... close resumed>) = 0 [pid 5268] <... symlink resumed>) = 0 [pid 5006] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5273 attached [pid 5272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5271] <... symlink resumed>) = 0 [pid 5270] symlink("/dev/binderfs", "./binderfs" [pid 5268] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5006] <... openat resumed>) = 3 [pid 5272] <... prctl resumed>) = 0 [pid 5271] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5006] fstat(3, [pid 5272] setpgid(0, 0 [pid 5271] <... openat resumed>) = 3 [pid 5270] <... symlink resumed>) = 0 [pid 5268] <... openat resumed>) = 3 [pid 5272] <... setpgid resumed>) = 0 [pid 5271] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5268] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5273] chdir("./43" [pid 5272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5271] <... mmap resumed>) = 0x20fff000 [pid 5270] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5006] getdents64(3, [pid 5273] <... chdir resumed>) = 0 [pid 5272] <... openat resumed>) = 3 [pid 5271] exit_group(0 [pid 5268] <... mmap resumed>) = 0x20fff000 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5273] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5272] write(3, "1000", 4 [pid 5271] <... exit_group resumed>) = ? [pid 5270] <... openat resumed>) = 3 [pid 5006] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5273] <... prctl resumed>) = 0 [pid 5272] <... write resumed>) = 4 [pid 5271] +++ exited with 0 +++ [pid 5268] exit_group(0 [pid 5270] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5273] setpgid(0, 0 [pid 5272] close(3 [pid 5270] <... mmap resumed>) = 0x20fff000 [pid 5268] <... exit_group resumed>) = ? [pid 5006] lstat("./41/binderfs", [pid 5273] <... setpgid resumed>) = 0 [pid 5272] <... close resumed>) = 0 [pid 5270] exit_group(0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5272] symlink("/dev/binderfs", "./binderfs" [pid 5270] <... exit_group resumed>) = ? [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5272] <... symlink resumed>) = 0 [pid 5268] +++ exited with 0 +++ [pid 5008] <... restart_syscall resumed>) = 0 [pid 5006] unlink("./41/binderfs" [pid 5272] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5273] <... openat resumed>) = 3 [pid 5272] <... openat resumed>) = 3 [pid 5006] <... unlink resumed>) = 0 [pid 5273] write(3, "1000", 4 [pid 5272] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5270] +++ exited with 0 +++ [pid 5006] getdents64(3, [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5273] <... write resumed>) = 4 [pid 5272] <... mmap resumed>) = 0x20fff000 [pid 5008] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5273] close(3 [pid 5272] exit_group(0) = ? [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] close(3 [pid 5005] <... restart_syscall resumed>) = 0 [pid 5273] <... close resumed>) = 0 [pid 5009] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... close resumed>) = 0 [pid 5273] symlink("/dev/binderfs", "./binderfs" [pid 5272] +++ exited with 0 +++ [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 3 [pid 5006] rmdir("./41" [pid 5273] <... symlink resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... openat resumed>) = 3 [pid 5008] fstat(3, [pid 5006] <... rmdir resumed>) = 0 [pid 5005] umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5273] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] fstat(3, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] mkdir("./42", 0777 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5008] getdents64(3, [pid 5005] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5273] <... openat resumed>) = 3 [pid 5010] fstat(3, [pid 5009] getdents64(3, [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... mkdir resumed>) = 0 [pid 5273] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] <... openat resumed>) = 3 [pid 5010] getdents64(3, [pid 5008] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5273] <... mmap resumed>) = 0x20fff000 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(3, [pid 5010] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./48/binderfs", [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5274 attached [pid 5273] exit_group(0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./43/binderfs", [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5274 [pid 5005] getdents64(3, [pid 5274] chdir("./42" [pid 5273] <... exit_group resumed>) = ? [pid 5010] unlink("./48/binderfs" [pid 5009] lstat("./44/binderfs", [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] getdents64(3, [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./43/binderfs" [pid 5005] umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] unlink("./44/binderfs" [pid 5274] <... chdir resumed>) = 0 [pid 5273] +++ exited with 0 +++ [pid 5010] close(3 [pid 5008] <... unlink resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] <... close resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5008] getdents64(3, [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5274] <... prctl resumed>) = 0 [pid 5010] rmdir("./48" [pid 5009] getdents64(3, [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] lstat("./38/binderfs", [pid 5274] setpgid(0, 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5274] <... setpgid resumed>) = 0 [pid 5010] mkdir("./49", 0777 [pid 5009] close(3 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5005] unlink("./38/binderfs" [pid 5274] <... openat resumed>) = 3 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] rmdir("./44" [pid 5008] rmdir("./43" [pid 5274] write(3, "1000", 4 [pid 5005] <... unlink resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5275 [pid 5009] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5275 attached [pid 5275] chdir("./49" [pid 5008] <... rmdir resumed>) = 0 [pid 5009] mkdir("./45", 0777 [pid 5005] getdents64(3, [pid 5275] <... chdir resumed>) = 0 [pid 5274] <... write resumed>) = 4 [pid 5009] <... mkdir resumed>) = 0 [pid 5008] mkdir("./44", 0777 [pid 5007] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] close(3 [pid 5275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5274] close(3 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... close resumed>) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5276 [pid 5005] rmdir("./38" [pid 5274] <... close resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5275] <... prctl resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5276 attached [pid 5005] mkdir("./39", 0777) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5278 attached [pid 5276] chdir("./45" [pid 5275] setpgid(0, 0 [pid 5274] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... openat resumed>) = 3 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5278 [pid 5275] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5277 attached [pid 5274] <... symlink resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5277 [pid 5007] fstat(3, [pid 5277] chdir("./44" [pid 5275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5274] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5277] <... chdir resumed>) = 0 [pid 5277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5275] <... openat resumed>) = 3 [pid 5277] <... prctl resumed>) = 0 [pid 5275] write(3, "1000", 4 [pid 5007] getdents64(3, [pid 5277] setpgid(0, 0 [pid 5274] <... openat resumed>) = 3 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5275] <... write resumed>) = 4 [pid 5274] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5277] <... setpgid resumed>) = 0 [pid 5275] close(3 [pid 5007] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5274] <... mmap resumed>) = 0x20fff000 [pid 5277] <... openat resumed>) = 3 [pid 5275] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5277] write(3, "1000", 4 [pid 5275] symlink("/dev/binderfs", "./binderfs" [pid 5007] lstat("./43/binderfs", [pid 5277] <... write resumed>) = 4 [pid 5274] exit_group(0 [pid 5277] close(3 [pid 5275] <... symlink resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5274] <... exit_group resumed>) = ? [pid 5277] <... close resumed>) = 0 [pid 5275] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5277] symlink("/dev/binderfs", "./binderfs" [pid 5007] unlink("./43/binderfs" [pid 5277] <... symlink resumed>) = 0 [pid 5275] <... openat resumed>) = 3 [pid 5277] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5275] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] <... unlink resumed>) = 0 [pid 5277] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0) = 0x20fff000 [pid 5275] <... mmap resumed>) = 0x20fff000 [pid 5007] getdents64(3, [pid 5277] exit_group(0 [pid 5276] <... chdir resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5277] <... exit_group resumed>) = ? [pid 5276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5275] exit_group(0 [pid 5007] close(3 [pid 5278] chdir("./39" [pid 5277] +++ exited with 0 +++ [pid 5276] <... prctl resumed>) = 0 [pid 5275] <... exit_group resumed>) = ? [pid 5274] +++ exited with 0 +++ [pid 5007] <... close resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] rmdir("./43" [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5007] <... rmdir resumed>) = 0 [pid 5006] <... restart_syscall resumed>) = 0 [pid 5007] mkdir("./44", 0777 [pid 5278] <... chdir resumed>) = 0 [pid 5276] setpgid(0, 0 [pid 5275] +++ exited with 0 +++ [pid 5008] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... mkdir resumed>) = 0 [pid 5278] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5276] <... setpgid resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5279 attached [pid 5278] <... prctl resumed>) = 0 [pid 5276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5279] chdir("./44" [pid 5278] setpgid(0, 0 [pid 5276] <... openat resumed>) = 3 [pid 5010] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... openat resumed>) = 3 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5279 [pid 5006] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5278] <... setpgid resumed>) = 0 [pid 5276] write(3, "1000", 4 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] fstat(3, [pid 5006] <... openat resumed>) = 3 [pid 5279] <... chdir resumed>) = 0 [pid 5278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5276] <... write resumed>) = 4 [pid 5010] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] fstat(3, [pid 5279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5278] <... openat resumed>) = 3 [pid 5276] close(3 [pid 5010] <... openat resumed>) = 3 [pid 5008] getdents64(3, [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5279] <... prctl resumed>) = 0 [pid 5278] write(3, "1000", 4 [pid 5276] <... close resumed>) = 0 [pid 5010] fstat(3, [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] getdents64(3, [pid 5279] setpgid(0, 0 [pid 5278] <... write resumed>) = 4 [pid 5276] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5279] <... setpgid resumed>) = 0 [pid 5278] close(3 [pid 5276] <... symlink resumed>) = 0 [pid 5010] getdents64(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5278] <... close resumed>) = 0 [pid 5276] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] lstat("./44/binderfs", [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5279] <... openat resumed>) = 3 [pid 5278] symlink("/dev/binderfs", "./binderfs" [pid 5276] <... openat resumed>) = 3 [pid 5010] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] lstat("./42/binderfs", [pid 5279] write(3, "1000", 4 [pid 5278] <... symlink resumed>) = 0 [pid 5276] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] unlink("./44/binderfs" [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5279] <... write resumed>) = 4 [pid 5278] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] lstat("./49/binderfs", [pid 5279] close(3 [pid 5276] <... mmap resumed>) = 0x20fff000 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5279] <... close resumed>) = 0 [pid 5278] <... openat resumed>) = 3 [pid 5276] exit_group(0 [pid 5010] unlink("./49/binderfs" [pid 5008] <... unlink resumed>) = 0 [pid 5006] unlink("./42/binderfs" [pid 5279] symlink("/dev/binderfs", "./binderfs" [pid 5278] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5276] <... exit_group resumed>) = ? [pid 5010] <... unlink resumed>) = 0 [pid 5008] getdents64(3, [pid 5279] <... symlink resumed>) = 0 [pid 5010] getdents64(3, [pid 5006] <... unlink resumed>) = 0 [pid 5279] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5279] <... openat resumed>) = 3 [pid 5278] <... mmap resumed>) = 0x20fff000 [pid 5010] close(3 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] getdents64(3, [pid 5279] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... close resumed>) = 0 [pid 5279] <... mmap resumed>) = 0x20fff000 [pid 5278] exit_group(0 [pid 5276] +++ exited with 0 +++ [pid 5010] rmdir("./49" [pid 5008] close(3 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5279] exit_group(0 [pid 5278] <... exit_group resumed>) = ? [pid 5010] <... rmdir resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... close resumed>) = 0 [pid 5006] close(3 [pid 5279] <... exit_group resumed>) = ? [pid 5278] +++ exited with 0 +++ [pid 5010] mkdir("./50", 0777 [pid 5008] rmdir("./44" [pid 5006] <... close resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5006] rmdir("./42" [pid 5008] mkdir("./45", 0777 [pid 5006] <... rmdir resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5006] mkdir("./43", 0777 [pid 5279] +++ exited with 0 +++ [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... mkdir resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5280 [pid 5009] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5281 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5282 attached ./strace-static-x86_64: Process 5281 attached ./strace-static-x86_64: Process 5280 attached [pid 5009] <... openat resumed>) = 3 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5282] chdir("./43" [pid 5280] chdir("./50" [pid 5009] fstat(3, [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5282 [pid 5282] <... chdir resumed>) = 0 [pid 5282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5282] setpgid(0, 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5282] <... setpgid resumed>) = 0 [pid 5280] <... chdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... openat resumed>) = 3 [pid 5282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] fstat(3, [pid 5282] <... openat resumed>) = 3 [pid 5281] chdir("./45" [pid 5280] <... prctl resumed>) = 0 [pid 5009] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... openat resumed>) = 3 [pid 5282] write(3, "1000", 4 [pid 5280] setpgid(0, 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] fstat(3, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5282] <... write resumed>) = 4 [pid 5280] <... setpgid resumed>) = 0 [pid 5009] lstat("./45/binderfs", [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, [pid 5282] close(3) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] getdents64(3, [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5282] symlink("/dev/binderfs", "./binderfs" [pid 5009] unlink("./45/binderfs" [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5282] <... symlink resumed>) = 0 [pid 5280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5282] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5281] <... chdir resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5007] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5282] <... openat resumed>) = 3 [pid 5281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5280] <... openat resumed>) = 3 [pid 5009] getdents64(3, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5282] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5281] <... prctl resumed>) = 0 [pid 5280] write(3, "1000", 4 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] lstat("./44/binderfs", [pid 5005] lstat("./39/binderfs", [pid 5282] <... mmap resumed>) = 0x20fff000 [pid 5281] setpgid(0, 0 [pid 5280] <... write resumed>) = 4 [pid 5009] close(3 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5282] exit_group(0 [pid 5281] <... setpgid resumed>) = 0 [pid 5280] close(3 [pid 5009] <... close resumed>) = 0 [pid 5007] unlink("./44/binderfs" [pid 5005] unlink("./39/binderfs" [pid 5282] <... exit_group resumed>) = ? [pid 5281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5280] <... close resumed>) = 0 [pid 5009] rmdir("./45" [pid 5007] <... unlink resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5282] +++ exited with 0 +++ [pid 5281] <... openat resumed>) = 3 [pid 5280] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... rmdir resumed>) = 0 [pid 5007] getdents64(3, [pid 5005] getdents64(3, [pid 5281] write(3, "1000", 4 [pid 5280] <... symlink resumed>) = 0 [pid 5009] mkdir("./46", 0777 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5282, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5281] <... write resumed>) = 4 [pid 5280] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... mkdir resumed>) = 0 [pid 5007] close(3 [pid 5005] close(3 [pid 5281] close(3 [pid 5280] <... openat resumed>) = 3 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... close resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5281] <... close resumed>) = 0 [pid 5280] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] rmdir("./44" [pid 5005] rmdir("./39"./strace-static-x86_64: Process 5283 attached [pid 5281] symlink("/dev/binderfs", "./binderfs" [pid 5280] <... mmap resumed>) = 0x20fff000 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5283 [pid 5007] <... rmdir resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5283] chdir("./46" [pid 5281] <... symlink resumed>) = 0 [pid 5280] exit_group(0 [pid 5007] mkdir("./45", 0777 [pid 5005] mkdir("./40", 0777 [pid 5283] <... chdir resumed>) = 0 [pid 5281] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5280] <... exit_group resumed>) = ? [pid 5007] <... mkdir resumed>) = 0 [pid 5283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5006] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5283] <... prctl resumed>) = 0 [pid 5281] <... openat resumed>) = 3 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... mkdir resumed>) = 0 [pid 5283] setpgid(0, 0 [pid 5006] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5283] <... setpgid resumed>) = 0 [pid 5006] <... openat resumed>) = 3 [pid 5283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5006] fstat(3, [pid 5283] <... openat resumed>) = 3 [pid 5281] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5280] +++ exited with 0 +++ [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5283] write(3, "1000", 4 [pid 5281] <... mmap resumed>) = 0x20fff000 [pid 5006] getdents64(3, [pid 5283] <... write resumed>) = 4 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5283] close(3 [pid 5006] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5283] <... close resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5283] symlink("/dev/binderfs", "./binderfs" [pid 5006] lstat("./43/binderfs", [pid 5283] <... symlink resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5283] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5281] exit_group(0 [pid 5010] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5284 [pid 5006] unlink("./43/binderfs" [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5285 ./strace-static-x86_64: Process 5285 attached ./strace-static-x86_64: Process 5284 attached [pid 5283] <... openat resumed>) = 3 [pid 5281] <... exit_group resumed>) = ? [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5283] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5006] <... unlink resumed>) = 0 [pid 5285] chdir("./40" [pid 5283] <... mmap resumed>) = 0x20fff000 [pid 5281] +++ exited with 0 +++ [pid 5284] chdir("./45" [pid 5010] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] getdents64(3, [pid 5285] <... chdir resumed>) = 0 [pid 5284] <... chdir resumed>) = 0 [pid 5283] exit_group(0 [pid 5010] <... openat resumed>) = 3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5281, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5283] <... exit_group resumed>) = ? [pid 5010] fstat(3, [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5006] close(3 [pid 5285] <... prctl resumed>) = 0 [pid 5284] <... prctl resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5283] +++ exited with 0 +++ [pid 5006] <... close resumed>) = 0 [pid 5285] setpgid(0, 0 [pid 5284] setpgid(0, 0 [pid 5010] getdents64(3, [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5283, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5006] rmdir("./43" [pid 5285] <... setpgid resumed>) = 0 [pid 5284] <... setpgid resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... rmdir resumed>) = 0 [pid 5285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] mkdir("./44", 0777 [pid 5285] <... openat resumed>) = 3 [pid 5284] <... openat resumed>) = 3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... mkdir resumed>) = 0 [pid 5285] write(3, "1000", 4 [pid 5284] write(3, "1000", 4 [pid 5010] lstat("./50/binderfs", [pid 5008] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5286 attached [pid 5285] <... write resumed>) = 4 [pid 5284] <... write resumed>) = 4 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5286] chdir("./44" [pid 5285] close(3 [pid 5284] close(3 [pid 5010] unlink("./50/binderfs" [pid 5009] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] fstat(3, [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5286 [pid 5286] <... chdir resumed>) = 0 [pid 5285] <... close resumed>) = 0 [pid 5284] <... close resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5285] symlink("/dev/binderfs", "./binderfs" [pid 5284] symlink("/dev/binderfs", "./binderfs" [pid 5010] getdents64(3, [pid 5009] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] getdents64(3, [pid 5286] <... prctl resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5285] <... symlink resumed>) = 0 [pid 5286] setpgid(0, 0 [pid 5285] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5284] <... symlink resumed>) = 0 [pid 5010] close(3 [pid 5009] fstat(3, [pid 5008] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5286] <... setpgid resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5285] <... openat resumed>) = 3 [pid 5284] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] rmdir("./50" [pid 5009] getdents64(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5285] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] lstat("./45/binderfs", [pid 5284] <... openat resumed>) = 3 [pid 5010] mkdir("./51", 0777 [pid 5009] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5285] <... mmap resumed>) = 0x20fff000 [pid 5284] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] unlink("./45/binderfs" [pid 5009] lstat("./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./46/binderfs" [pid 5008] <... unlink resumed>) = 0 [pid 5284] <... mmap resumed>) = 0x20fff000 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5287 [pid 5009] <... unlink resumed>) = 0 [pid 5008] getdents64(3, [pid 5286] <... openat resumed>) = 3 [pid 5285] exit_group(0 [pid 5009] getdents64(3, [pid 5286] write(3, "1000", 4 [pid 5285] <... exit_group resumed>) = ? [pid 5284] exit_group(0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5287 attached [pid 5284] <... exit_group resumed>) = ? [pid 5009] close(3 [pid 5008] close(3 [pid 5287] chdir("./51" [pid 5285] +++ exited with 0 +++ [pid 5009] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5287] <... chdir resumed>) = 0 [pid 5009] rmdir("./46" [pid 5008] rmdir("./45" [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5285, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5287] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5286] <... write resumed>) = 4 [pid 5284] +++ exited with 0 +++ [pid 5009] <... rmdir resumed>) = 0 [pid 5287] <... prctl resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5287] setpgid(0, 0 [pid 5286] close(3 [pid 5009] mkdir("./47", 0777 [pid 5008] mkdir("./46", 0777 [pid 5287] <... setpgid resumed>) = 0 [pid 5286] <... close resumed>) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... mkdir resumed>) = 0 [pid 5287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5286] symlink("/dev/binderfs", "./binderfs" [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5287] <... openat resumed>) = 3 [pid 5286] <... symlink resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5287] write(3, "1000", 4 [pid 5007] <... openat resumed>) = 3 [pid 5005] umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5289 attached [pid 5287] <... write resumed>) = 4 [pid 5286] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5289 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5288 [pid 5007] fstat(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5287] close(3 [pid 5286] <... openat resumed>) = 3 [pid 5289] chdir("./47" [pid 5287] <... close resumed>) = 0 [pid 5286] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5289] <... chdir resumed>) = 0 [pid 5287] symlink("/dev/binderfs", "./binderfs" [pid 5286] <... mmap resumed>) = 0x20fff000 [pid 5007] getdents64(3, ./strace-static-x86_64: Process 5288 attached [pid 5289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5287] <... symlink resumed>) = 0 [pid 5286] exit_group(0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] <... openat resumed>) = 3 [pid 5289] <... prctl resumed>) = 0 [pid 5288] chdir("./46" [pid 5287] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5286] <... exit_group resumed>) = ? [pid 5007] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] fstat(3, [pid 5289] setpgid(0, 0 [pid 5288] <... chdir resumed>) = 0 [pid 5287] <... openat resumed>) = 3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5287] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] lstat("./45/binderfs", [pid 5005] getdents64(3, [pid 5287] <... mmap resumed>) = 0x20fff000 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5287] exit_group(0 [pid 5007] unlink("./45/binderfs" [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5289] <... setpgid resumed>) = 0 [pid 5288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5287] <... exit_group resumed>) = ? [pid 5286] +++ exited with 0 +++ [pid 5007] <... unlink resumed>) = 0 [pid 5005] umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] getdents64(3, [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5005] lstat("./40/binderfs", [pid 5288] <... prctl resumed>) = 0 [pid 5287] +++ exited with 0 +++ [pid 5007] close(3 [pid 5006] <... restart_syscall resumed>) = 0 [pid 5289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5288] setpgid(0, 0 [pid 5007] <... close resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5289] <... openat resumed>) = 3 [pid 5288] <... setpgid resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5287, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5007] rmdir("./45" [pid 5005] unlink("./40/binderfs" [pid 5289] write(3, "1000", 4 [pid 5010] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... rmdir resumed>) = 0 [pid 5006] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5289] <... write resumed>) = 4 [pid 5288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] mkdir("./46", 0777 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... unlink resumed>) = 0 [pid 5289] close(3 [pid 5288] <... openat resumed>) = 3 [pid 5010] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5289] <... close resumed>) = 0 [pid 5288] write(3, "1000", 4 [pid 5010] <... openat resumed>) = 3 [pid 5007] <... mkdir resumed>) = 0 [pid 5006] <... openat resumed>) = 3 [pid 5005] getdents64(3, [pid 5289] symlink("/dev/binderfs", "./binderfs" [pid 5288] <... write resumed>) = 4 [pid 5010] fstat(3, [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] fstat(3, [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, 0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] getdents64(3, [pid 5006] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] close(3 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./44/binderfs" [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... unlink resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5010] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5290 [pid 5006] getdents64(3, [pid 5005] rmdir("./40" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] close(3) = 0 [pid 5006] rmdir("./44" [pid 5288] close(3 [pid 5010] lstat("./51/binderfs", [pid 5006] <... rmdir resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5290 attached [pid 5288] <... close resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] mkdir("./45", 0777 [pid 5005] mkdir("./41", 0777 [pid 5290] chdir("./46" [pid 5289] <... symlink resumed>) = 0 [pid 5288] symlink("/dev/binderfs", "./binderfs" [pid 5010] unlink("./51/binderfs" [pid 5006] <... mkdir resumed>) = 0 [pid 5290] <... chdir resumed>) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... mkdir resumed>) = 0 [pid 5290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5289] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5288] <... symlink resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5290] <... prctl resumed>) = 0 [pid 5010] getdents64(3, [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5291 [pid 5290] setpgid(0, 0) = 0 [pid 5290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5288] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5292 [pid 5010] close(3 [pid 5290] write(3, "1000", 4 [pid 5010] <... close resumed>) = 0 [pid 5290] <... write resumed>) = 4 [pid 5010] rmdir("./51" [pid 5290] close(3./strace-static-x86_64: Process 5292 attached ) = 0 [pid 5292] chdir("./41" [pid 5290] symlink("/dev/binderfs", "./binderfs" [pid 5289] <... openat resumed>) = 3 [pid 5288] <... openat resumed>) = 3 [pid 5010] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5291 attached [pid 5292] <... chdir resumed>) = 0 [pid 5290] <... symlink resumed>) = 0 [pid 5289] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5288] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] mkdir("./52", 0777 [pid 5292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5291] chdir("./45" [pid 5290] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5292] <... prctl resumed>) = 0 [pid 5290] <... openat resumed>) = 3 [pid 5010] <... mkdir resumed>) = 0 [pid 5292] setpgid(0, 0 [pid 5290] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5288] <... mmap resumed>) = 0x20fff000 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5292] <... setpgid resumed>) = 0 [pid 5291] <... chdir resumed>) = 0 [pid 5290] <... mmap resumed>) = 0x20fff000 [pid 5289] <... mmap resumed>) = 0x20fff000 ./strace-static-x86_64: Process 5293 attached [pid 5292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5290] exit_group(0 [pid 5289] exit_group(0 [pid 5288] exit_group(0 [pid 5293] chdir("./52" [pid 5292] <... openat resumed>) = 3 [pid 5291] <... prctl resumed>) = 0 [pid 5290] <... exit_group resumed>) = ? [pid 5289] <... exit_group resumed>) = ? [pid 5288] <... exit_group resumed>) = ? [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5293 [pid 5293] <... chdir resumed>) = 0 [pid 5292] write(3, "1000", 4 [pid 5291] setpgid(0, 0 [pid 5290] +++ exited with 0 +++ [pid 5292] <... write resumed>) = 4 [pid 5292] close(3) = 0 [pid 5292] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5288] +++ exited with 0 +++ [pid 5292] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5292] <... openat resumed>) = 3 [pid 5292] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5291] <... setpgid resumed>) = 0 [pid 5292] <... mmap resumed>) = 0x20fff000 [pid 5289] +++ exited with 0 +++ [pid 5292] exit_group(0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5292] <... exit_group resumed>) = ? [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5292] +++ exited with 0 +++ [pid 5291] <... openat resumed>) = 3 [pid 5291] write(3, "1000", 4 [pid 5293] <... prctl resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5293] setpgid(0, 0 [pid 5291] <... write resumed>) = 4 [pid 5009] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... openat resumed>) = 3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5293] <... setpgid resumed>) = 0 [pid 5291] close(3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] fstat(3, [pid 5007] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5291] <... close resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5291] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... openat resumed>) = 3 [pid 5009] <... openat resumed>) = 3 [pid 5008] getdents64(3, [pid 5007] fstat(3, [pid 5009] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5291] <... symlink resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] getdents64(3, [pid 5291] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5293] <... openat resumed>) = 3 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5291] <... openat resumed>) = 3 [pid 5009] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] lstat("./46/binderfs", [pid 5007] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5293] write(3, "1000", 4 [pid 5291] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5293] <... write resumed>) = 4 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./47/binderfs", [pid 5008] unlink("./46/binderfs" [pid 5007] lstat("./46/binderfs", [pid 5005] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5293] close(3 [pid 5291] <... mmap resumed>) = 0x20fff000 [pid 5009] unlink("./47/binderfs" [pid 5008] getdents64(3, [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5291] exit_group(0 [pid 5009] <... unlink resumed>) = 0 [pid 5293] <... close resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] unlink("./46/binderfs" [pid 5005] fstat(3, [pid 5293] symlink("/dev/binderfs", "./binderfs" [pid 5291] <... exit_group resumed>) = ? [pid 5009] getdents64(3, [pid 5008] close(3 [pid 5007] <... unlink resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] close(3 [pid 5008] <... close resumed>) = 0 [pid 5007] getdents64(3, [pid 5005] getdents64(3, [pid 5293] <... symlink resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5008] rmdir("./46" [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] rmdir("./47" [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5293] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5291] +++ exited with 0 +++ [pid 5008] <... rmdir resumed>) = 0 [pid 5007] close(3 [pid 5009] <... rmdir resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5005] umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] mkdir("./47", 0777 [pid 5293] <... openat resumed>) = 3 [pid 5009] mkdir("./48", 0777 [pid 5007] rmdir("./46" [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5291, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5005] lstat("./41/binderfs", [pid 5006] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... rmdir resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... openat resumed>) = 3 [pid 5006] fstat(3, [pid 5009] <... mkdir resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] mkdir("./47", 0777 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] unlink("./41/binderfs" [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] getdents64(3, 0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... unlink resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5006] unlink("./45/binderfs" [pid 5005] getdents64(3, [pid 5006] <... unlink resumed>) = 0 [pid 5006] getdents64(3, 0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] close(3) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] rmdir("./45") = 0 [pid 5005] close(3 [pid 5006] mkdir("./46", 0777) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5296 attached [pid 5293] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5294 [pid 5005] <... close resumed>) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5297 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5296 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5295 [pid 5005] rmdir("./41"./strace-static-x86_64: Process 5294 attached [pid 5294] chdir("./48" [pid 5293] <... mmap resumed>) = 0x20fff000 [pid 5294] <... chdir resumed>) = 0 [pid 5294] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5295 attached ) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5295] chdir("./47" [pid 5294] setpgid(0, 0 [pid 5293] exit_group(0 [pid 5005] mkdir("./42", 0777 [pid 5295] <... chdir resumed>) = 0 [pid 5294] <... setpgid resumed>) = 0 [pid 5295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5295] <... prctl resumed>) = 0 [pid 5294] <... openat resumed>) = 3 [pid 5293] <... exit_group resumed>) = ? [pid 5005] <... mkdir resumed>) = 0 [pid 5295] setpgid(0, 0 [pid 5294] write(3, "1000", 4 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5295] <... setpgid resumed>) = 0 [pid 5294] <... write resumed>) = 4 [pid 5295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5294] close(3 [pid 5295] <... openat resumed>) = 3 [pid 5294] <... close resumed>) = 0 [pid 5295] write(3, "1000", 4 [pid 5294] symlink("/dev/binderfs", "./binderfs" [pid 5295] <... write resumed>) = 4 [pid 5294] <... symlink resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5298 [pid 5295] close(3 [pid 5294] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5296] chdir("./47" [pid 5295] <... close resumed>) = 0 [pid 5294] <... openat resumed>) = 3 [pid 5293] +++ exited with 0 +++ ./strace-static-x86_64: Process 5298 attached [pid 5295] symlink("/dev/binderfs", "./binderfs" [pid 5296] <... chdir resumed>) = 0 [pid 5294] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5297 attached [pid 5298] chdir("./42" [pid 5296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5295] <... symlink resumed>) = 0 [pid 5294] <... mmap resumed>) = 0x20fff000 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5298] <... chdir resumed>) = 0 [pid 5296] <... prctl resumed>) = 0 [pid 5295] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5294] exit_group(0 [pid 5298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5296] setpgid(0, 0 [pid 5295] <... openat resumed>) = 3 [pid 5294] <... exit_group resumed>) = ? [pid 5010] <... restart_syscall resumed>) = 0 [pid 5298] <... prctl resumed>) = 0 [pid 5297] chdir("./46" [pid 5296] <... setpgid resumed>) = 0 [pid 5295] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5294] +++ exited with 0 +++ [pid 5298] setpgid(0, 0 [pid 5297] <... chdir resumed>) = 0 [pid 5296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5295] <... mmap resumed>) = 0x20fff000 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5298] <... setpgid resumed>) = 0 [pid 5297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5296] <... openat resumed>) = 3 [pid 5295] exit_group(0 [pid 5010] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5297] <... prctl resumed>) = 0 [pid 5296] write(3, "1000", 4 [pid 5295] <... exit_group resumed>) = ? [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5298] <... openat resumed>) = 3 [pid 5297] setpgid(0, 0 [pid 5296] <... write resumed>) = 4 [pid 5295] +++ exited with 0 +++ [pid 5010] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5298] write(3, "1000", 4 [pid 5297] <... setpgid resumed>) = 0 [pid 5296] close(3 [pid 5298] <... write resumed>) = 4 [pid 5010] <... openat resumed>) = 3 [pid 5298] close(3 [pid 5296] <... close resumed>) = 0 [pid 5298] <... close resumed>) = 0 [pid 5010] fstat(3, [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5296] symlink("/dev/binderfs", "./binderfs" [pid 5298] symlink("/dev/binderfs", "./binderfs" [pid 5297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5298] <... symlink resumed>) = 0 [pid 5296] <... symlink resumed>) = 0 [pid 5010] getdents64(3, [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5298] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5297] <... openat resumed>) = 3 [pid 5296] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5298] <... openat resumed>) = 3 [pid 5297] write(3, "1000", 4 [pid 5296] <... openat resumed>) = 3 [pid 5009] <... openat resumed>) = 3 [pid 5298] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5297] <... write resumed>) = 4 [pid 5296] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] fstat(3, [pid 5007] <... openat resumed>) = 3 [pid 5298] <... mmap resumed>) = 0x20fff000 [pid 5297] close(3 [pid 5298] exit_group(0 [pid 5297] <... close resumed>) = 0 [pid 5296] <... mmap resumed>) = 0x20fff000 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] fstat(3, [pid 5298] <... exit_group resumed>) = ? [pid 5297] symlink("/dev/binderfs", "./binderfs" [pid 5296] exit_group(0 [pid 5010] lstat("./52/binderfs", [pid 5009] getdents64(3, [pid 5298] +++ exited with 0 +++ [pid 5297] <... symlink resumed>) = 0 [pid 5296] <... exit_group resumed>) = ? [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5297] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] unlink("./52/binderfs" [pid 5009] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... unlink resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5297] <... openat resumed>) = 3 [pid 5296] +++ exited with 0 +++ [pid 5010] getdents64(3, [pid 5009] lstat("./48/binderfs", [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5297] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5297] <... mmap resumed>) = 0x20fff000 [pid 5010] close(3 [pid 5009] unlink("./48/binderfs" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5297] exit_group(0) = ? [pid 5010] <... close resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5007] lstat("./47/binderfs", [pid 5010] rmdir("./52" [pid 5009] getdents64(3, [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] unlink("./47/binderfs" [pid 5005] umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5297] +++ exited with 0 +++ [pid 5010] mkdir("./53", 0777 [pid 5009] close(3 [pid 5007] <... unlink resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5008] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] getdents64(3, [pid 5005] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] rmdir("./48" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5299 attached [pid 5009] <... rmdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] close(3 [pid 5005] fstat(3, [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5299 [pid 5009] mkdir("./49", 0777 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5299] chdir("./53" [pid 5009] <... mkdir resumed>) = 0 [pid 5008] fstat(3, [pid 5007] rmdir("./47" [pid 5006] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(3, [pid 5299] <... chdir resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... rmdir resumed>) = 0 [pid 5006] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5299] <... prctl resumed>) = 0 [pid 5008] getdents64(3, [pid 5006] <... openat resumed>) = 3 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5299] setpgid(0, 0 [pid 5007] mkdir("./48", 0777 [pid 5006] fstat(3, [pid 5299] <... setpgid resumed>) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] getdents64(3, [pid 5005] umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5299] <... openat resumed>) = 3 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5300 [pid 5008] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... mkdir resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5299] write(3, "1000", 4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5300 attached [pid 5299] <... write resumed>) = 4 [pid 5008] lstat("./47/binderfs", [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5299] close(3 [pid 5006] lstat("./46/binderfs", [pid 5299] <... close resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5299] symlink("/dev/binderfs", "./binderfs" [pid 5006] unlink("./46/binderfs" [pid 5299] <... symlink resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5005] lstat("./42/binderfs", [pid 5300] chdir("./49" [pid 5299] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] unlink("./47/binderfs" [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5301 [pid 5006] getdents64(3, [pid 5300] <... chdir resumed>) = 0 [pid 5299] <... openat resumed>) = 3 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5299] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] <... unlink resumed>) = 0 [pid 5006] close(3 [pid 5005] unlink("./42/binderfs"./strace-static-x86_64: Process 5301 attached [pid 5300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5299] <... mmap resumed>) = 0x20fff000 [pid 5008] getdents64(3, [pid 5006] <... close resumed>) = 0 [pid 5301] chdir("./48" [pid 5300] <... prctl resumed>) = 0 [pid 5299] exit_group(0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] rmdir("./46" [pid 5005] <... unlink resumed>) = 0 [pid 5301] <... chdir resumed>) = 0 [pid 5300] setpgid(0, 0 [pid 5299] <... exit_group resumed>) = ? [pid 5008] close(3 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] getdents64(3, [pid 5301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5300] <... setpgid resumed>) = 0 [pid 5299] +++ exited with 0 +++ [pid 5008] <... close resumed>) = 0 [pid 5006] mkdir("./47", 0777 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5301] <... prctl resumed>) = 0 [pid 5300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] rmdir("./47" [pid 5006] <... mkdir resumed>) = 0 [pid 5005] close(3 [pid 5301] setpgid(0, 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5302 attached [pid 5301] <... setpgid resumed>) = 0 [pid 5300] <... openat resumed>) = 3 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5008] <... rmdir resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5300] write(3, "1000", 4 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5008] mkdir("./48", 0777 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5302 [pid 5005] rmdir("./42" [pid 5301] <... openat resumed>) = 3 [pid 5300] <... write resumed>) = 4 [pid 5301] write(3, "1000", 4) = 4 [pid 5008] <... mkdir resumed>) = 0 [pid 5301] close(3) = 0 [pid 5301] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5300] close(3 [pid 5005] <... rmdir resumed>) = 0 [pid 5301] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5301] <... openat resumed>) = 3 [pid 5301] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5302] chdir("./47" [pid 5301] <... mmap resumed>) = 0x20fff000 [pid 5300] <... close resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] mkdir("./43", 0777 [pid 5302] <... chdir resumed>) = 0 [pid 5301] exit_group(0 [pid 5300] symlink("/dev/binderfs", "./binderfs" [pid 5010] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5303 [pid 5301] <... exit_group resumed>) = ? [pid 5302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5301] +++ exited with 0 +++ [pid 5300] <... symlink resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5005] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5303 attached [pid 5300] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] fstat(3, [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5303] chdir("./48" [pid 5300] <... openat resumed>) = 3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5303] <... chdir resumed>) = 0 [pid 5303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5303] setpgid(0, 0) = 0 [pid 5303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5300] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] getdents64(3, [pid 5302] <... prctl resumed>) = 0 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5303] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... restart_syscall resumed>) = 0 [pid 5303] write(3, "1000", 4 [pid 5010] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5304 [pid 5303] <... write resumed>) = 4 [pid 5302] setpgid(0, 0 [pid 5300] <... mmap resumed>) = 0x20fff000 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5304 attached [pid 5303] close(3 [pid 5302] <... setpgid resumed>) = 0 [pid 5300] exit_group(0 [pid 5010] lstat("./53/binderfs", [pid 5007] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5304] chdir("./43" [pid 5303] <... close resumed>) = 0 [pid 5300] <... exit_group resumed>) = ? [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5304] <... chdir resumed>) = 0 [pid 5303] symlink("/dev/binderfs", "./binderfs" [pid 5010] unlink("./53/binderfs" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5303] <... symlink resumed>) = 0 [pid 5304] <... prctl resumed>) = 0 [pid 5303] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... unlink resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5304] setpgid(0, 0 [pid 5303] <... openat resumed>) = 3 [pid 5300] +++ exited with 0 +++ [pid 5010] getdents64(3, [pid 5007] <... openat resumed>) = 3 [pid 5304] <... setpgid resumed>) = 0 [pid 5303] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5303] <... mmap resumed>) = 0x20fff000 [pid 5010] close(3 [pid 5007] fstat(3, [pid 5304] <... openat resumed>) = 3 [pid 5303] exit_group(0 [pid 5302] <... openat resumed>) = 3 [pid 5010] <... close resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5304] write(3, "1000", 4 [pid 5303] <... exit_group resumed>) = ? [pid 5302] write(3, "1000", 4 [pid 5010] rmdir("./53" [pid 5009] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] getdents64(3, [pid 5304] <... write resumed>) = 4 [pid 5302] <... write resumed>) = 4 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5303] +++ exited with 0 +++ [pid 5304] close(3 [pid 5302] close(3 [pid 5010] mkdir("./54", 0777 [pid 5009] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5304] <... close resumed>) = 0 [pid 5302] <... close resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5304] symlink("/dev/binderfs", "./binderfs" [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5304] <... symlink resumed>) = 0 [pid 5302] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5304] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] fstat(3, [pid 5007] lstat("./48/binderfs", [pid 5304] <... openat resumed>) = 3 [pid 5302] <... symlink resumed>) = 0 [pid 5008] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5305 [pid 5009] getdents64(3, [pid 5008] fstat(3, [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5304] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5302] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] unlink("./48/binderfs" [pid 5008] getdents64(3, 0x555556467620 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 5305 attached [pid 5304] <... mmap resumed>) = 0x20fff000 [pid 5008] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5305] chdir("./54" [pid 5304] exit_group(0 [pid 5302] <... openat resumed>) = 3 [pid 5009] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... unlink resumed>) = 0 [pid 5305] <... chdir resumed>) = 0 [pid 5304] <... exit_group resumed>) = ? [pid 5302] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./48/binderfs", [pid 5007] getdents64(3, [pid 5305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] lstat("./49/binderfs", [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5305] <... prctl resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./48/binderfs" [pid 5007] close(3 [pid 5305] setpgid(0, 0 [pid 5009] unlink("./49/binderfs" [pid 5008] <... unlink resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5305] <... setpgid resumed>) = 0 [pid 5008] getdents64(3, [pid 5305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... unlink resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] rmdir("./48" [pid 5302] <... mmap resumed>) = 0x20fff000 [pid 5305] <... openat resumed>) = 3 [pid 5304] +++ exited with 0 +++ [pid 5009] getdents64(3, [pid 5008] close(3 [pid 5305] write(3, "1000", 4 [pid 5008] <... close resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5305] <... write resumed>) = 4 [pid 5302] exit_group(0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] rmdir("./48" [pid 5007] mkdir("./49", 0777 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5305] close(3 [pid 5302] <... exit_group resumed>) = ? [pid 5009] close(3 [pid 5008] <... rmdir resumed>) = 0 [pid 5305] <... close resumed>) = 0 [pid 5008] mkdir("./49", 0777 [pid 5305] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... close resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5305] <... symlink resumed>) = 0 [pid 5009] rmdir("./49" [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... restart_syscall resumed>) = 0 [pid 5305] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5302] +++ exited with 0 +++ [pid 5009] <... rmdir resumed>) = 0 [pid 5305] <... openat resumed>) = 3 [pid 5009] mkdir("./50", 0777 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5306 [pid 5305] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5307 attached [pid 5305] <... mmap resumed>) = 0x20fff000 [pid 5009] <... mkdir resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5307 [pid 5006] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5305] exit_group(0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5305] <... exit_group resumed>) = ? [pid 5006] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5308 attached [pid 5307] chdir("./49" [pid 5305] +++ exited with 0 +++ [pid 5006] <... openat resumed>) = 3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5307] <... chdir resumed>) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5308 [pid 5006] fstat(3, [pid 5005] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5307] <... prctl resumed>) = 0 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5006] getdents64(3, [pid 5005] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5306 attached [pid 5307] setpgid(0, 0 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] fstat(3, [pid 5308] chdir("./50" [pid 5307] <... setpgid resumed>) = 0 [pid 5306] chdir("./49" [pid 5006] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5306] <... chdir resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5308] <... chdir resumed>) = 0 [pid 5307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] lstat("./47/binderfs", [pid 5005] getdents64(3, [pid 5308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5307] <... openat resumed>) = 3 [pid 5306] <... prctl resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5308] <... prctl resumed>) = 0 [pid 5307] write(3, "1000", 4 [pid 5306] setpgid(0, 0 [pid 5010] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] unlink("./47/binderfs" [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5308] setpgid(0, 0 [pid 5307] <... write resumed>) = 4 [pid 5306] <... setpgid resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5006] <... unlink resumed>) = 0 [pid 5005] umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5308] <... setpgid resumed>) = 0 [pid 5307] close(3 [pid 5306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] fstat(3, [pid 5006] getdents64(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5307] <... close resumed>) = 0 [pid 5306] <... openat resumed>) = 3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] lstat("./43/binderfs", [pid 5308] <... openat resumed>) = 3 [pid 5307] symlink("/dev/binderfs", "./binderfs" [pid 5306] write(3, "1000", 4 [pid 5010] getdents64(3, [pid 5006] close(3 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5308] write(3, "1000", 4 [pid 5307] <... symlink resumed>) = 0 [pid 5306] <... write resumed>) = 4 [pid 5006] <... close resumed>) = 0 [pid 5308] <... write resumed>) = 4 [pid 5307] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5306] close(3 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] rmdir("./47" [pid 5005] unlink("./43/binderfs" [pid 5308] close(3 [pid 5307] <... openat resumed>) = 3 [pid 5306] <... close resumed>) = 0 [pid 5010] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... rmdir resumed>) = 0 [pid 5308] <... close resumed>) = 0 [pid 5307] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5306] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] mkdir("./48", 0777 [pid 5005] <... unlink resumed>) = 0 [pid 5308] symlink("/dev/binderfs", "./binderfs" [pid 5307] <... mmap resumed>) = 0x20fff000 [pid 5306] <... symlink resumed>) = 0 [pid 5010] lstat("./54/binderfs", [pid 5306] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] getdents64(3, [pid 5307] exit_group(0 [pid 5306] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] unlink("./54/binderfs" [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5308] <... symlink resumed>) = 0 [pid 5307] <... exit_group resumed>) = ? [pid 5306] <... mmap resumed>) = 0x20fff000 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5306] exit_group(0 [pid 5010] <... unlink resumed>) = 0 [pid 5306] <... exit_group resumed>) = ? [pid 5306] +++ exited with 0 +++ [pid 5010] getdents64(3, [pid 5005] close(3 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5309 [pid 5005] <... close resumed>) = 0 [pid 5010] close(3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] rmdir("./43" [pid 5308] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... close resumed>) = 0 [pid 5008] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5309 attached ) = 0 [pid 5309] chdir("./48" [pid 5010] rmdir("./54" [pid 5005] <... rmdir resumed>) = 0 [pid 5309] <... chdir resumed>) = 0 [pid 5308] <... openat resumed>) = 3 [pid 5309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] mkdir("./44", 0777 [pid 5309] <... prctl resumed>) = 0 [pid 5308] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5307] +++ exited with 0 +++ [pid 5010] <... rmdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5309] setpgid(0, 0 [pid 5008] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5309] <... setpgid resumed>) = 0 [pid 5010] mkdir("./55", 0777 [pid 5008] <... openat resumed>) = 3 [pid 5005] <... mkdir resumed>) = 0 [pid 5309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] fstat(3, [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5309] <... openat resumed>) = 3 [pid 5010] <... mkdir resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] restart_syscall(<... resuming interrupted clone ...> [pid 5309] write(3, "1000", 4 [pid 5008] getdents64(3, [pid 5007] <... restart_syscall resumed>) = 0 [pid 5309] <... write resumed>) = 4 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5309] close(3 [pid 5008] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5309] <... close resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5309] symlink("/dev/binderfs", "./binderfs" [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] lstat("./49/binderfs", [pid 5309] <... symlink resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5309] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] unlink("./49/binderfs" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5310 [pid 5309] <... openat resumed>) = 3 [pid 5008] <... unlink resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5309] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5311 [pid 5008] getdents64(3, [pid 5309] <... mmap resumed>) = 0x20fff000 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5310 attached [pid 5309] exit_group(0 [pid 5008] close(3 [pid 5007] fstat(3, [pid 5310] chdir("./44" [pid 5309] <... exit_group resumed>) = ? [pid 5308] <... mmap resumed>) = 0x20fff000 [pid 5008] <... close resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5311 attached [pid 5310] <... chdir resumed>) = 0 [pid 5309] +++ exited with 0 +++ [pid 5008] rmdir("./49" [pid 5007] getdents64(3, [pid 5308] exit_group(0 [pid 5311] chdir("./55" [pid 5310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5310] <... prctl resumed>) = 0 [pid 5308] <... exit_group resumed>) = ? [pid 5008] mkdir("./50", 0777 [pid 5007] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5310] setpgid(0, 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5310] <... setpgid resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] lstat("./49/binderfs", [pid 5311] <... chdir resumed>) = 0 [pid 5310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5308] +++ exited with 0 +++ [pid 5310] <... openat resumed>) = 3 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5312 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5310] write(3, "1000", 4 [pid 5007] unlink("./49/binderfs" [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5311] <... prctl resumed>) = 0 [pid 5310] <... write resumed>) = 4 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5310] close(3 [pid 5007] <... unlink resumed>) = 0 [pid 5006] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5311] setpgid(0, 0 [pid 5310] <... close resumed>) = 0 [pid 5009] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] getdents64(3, [pid 5311] <... setpgid resumed>) = 0 [pid 5310] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... openat resumed>) = 3 [pid 5311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5310] <... symlink resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] fstat(3, [pid 5310] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... openat resumed>) = 3 [pid 5311] <... openat resumed>) = 3 [pid 5310] <... openat resumed>) = 3 [pid 5009] fstat(3, [pid 5007] close(3 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5312 attached [pid 5311] write(3, "1000", 4 [pid 5310] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... close resumed>) = 0 [pid 5006] getdents64(3, [pid 5312] chdir("./50" [pid 5311] <... write resumed>) = 4 [pid 5310] <... mmap resumed>) = 0x20fff000 [pid 5009] getdents64(3, [pid 5007] rmdir("./49" [pid 5311] close(3 [pid 5310] exit_group(0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5310] <... exit_group resumed>) = ? [pid 5312] <... chdir resumed>) = 0 [pid 5311] <... close resumed>) = 0 [pid 5009] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... rmdir resumed>) = 0 [pid 5006] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5311] symlink("/dev/binderfs", "./binderfs" [pid 5310] +++ exited with 0 +++ [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] mkdir("./50", 0777 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5312] <... prctl resumed>) = 0 [pid 5311] <... symlink resumed>) = 0 [pid 5009] lstat("./50/binderfs", [pid 5007] <... mkdir resumed>) = 0 [pid 5006] lstat("./48/binderfs", [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] unlink("./50/binderfs" [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5312] setpgid(0, 0 [pid 5311] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... unlink resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] unlink("./48/binderfs" [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5312] <... setpgid resumed>) = 0 [pid 5311] <... openat resumed>) = 3 [pid 5009] getdents64(3, [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5006] <... unlink resumed>) = 0 [pid 5005] <... restart_syscall resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5313 [pid 5006] getdents64(3, [pid 5311] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] close(3 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... close resumed>) = 0 [pid 5006] close(3 [pid 5005] umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5313 attached [pid 5311] <... mmap resumed>) = 0x20fff000 [pid 5009] rmdir("./50" [pid 5006] <... close resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5312] <... openat resumed>) = 3 [pid 5311] exit_group(0 [pid 5009] <... rmdir resumed>) = 0 [pid 5006] rmdir("./48" [pid 5005] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5313] chdir("./50" [pid 5312] write(3, "1000", 4 [pid 5311] <... exit_group resumed>) = ? [pid 5009] mkdir("./51", 0777 [pid 5313] <... chdir resumed>) = 0 [pid 5312] <... write resumed>) = 4 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5312] close(3 [pid 5009] <... mkdir resumed>) = 0 [pid 5005] fstat(3, [pid 5313] <... prctl resumed>) = 0 [pid 5312] <... close resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] mkdir("./49", 0777 [pid 5313] setpgid(0, 0 [pid 5312] symlink("/dev/binderfs", "./binderfs" [pid 5311] +++ exited with 0 +++ [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5314 attached [pid 5313] <... setpgid resumed>) = 0 [pid 5312] <... symlink resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] getdents64(3, [pid 5314] chdir("./51" [pid 5313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5312] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5314 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5314] <... chdir resumed>) = 0 [pid 5313] <... openat resumed>) = 3 [pid 5312] <... openat resumed>) = 3 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5005] umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5315 attached [pid 5314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5313] write(3, "1000", 4 [pid 5312] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5315 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5315] chdir("./49" [pid 5314] <... prctl resumed>) = 0 [pid 5313] <... write resumed>) = 4 [pid 5312] <... mmap resumed>) = 0x20fff000 [pid 5005] lstat("./44/binderfs", [pid 5315] <... chdir resumed>) = 0 [pid 5314] setpgid(0, 0 [pid 5313] close(3 [pid 5312] exit_group(0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5314] <... setpgid resumed>) = 0 [pid 5313] <... close resumed>) = 0 [pid 5312] <... exit_group resumed>) = ? [pid 5010] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] unlink("./44/binderfs" [pid 5315] <... prctl resumed>) = 0 [pid 5314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5313] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... unlink resumed>) = 0 [pid 5315] setpgid(0, 0 [pid 5314] <... openat resumed>) = 3 [pid 5313] <... symlink resumed>) = 0 [pid 5312] +++ exited with 0 +++ [pid 5010] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] getdents64(3, [pid 5315] <... setpgid resumed>) = 0 [pid 5314] write(3, "1000", 4 [pid 5313] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... openat resumed>) = 3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5314] <... write resumed>) = 4 [pid 5010] fstat(3, [pid 5005] close(3 [pid 5313] <... openat resumed>) = 3 [pid 5315] <... openat resumed>) = 3 [pid 5314] close(3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... close resumed>) = 0 [pid 5313] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5315] write(3, "1000", 4 [pid 5314] <... close resumed>) = 0 [pid 5010] getdents64(3, [pid 5005] rmdir("./44" [pid 5315] <... write resumed>) = 4 [pid 5314] symlink("/dev/binderfs", "./binderfs" [pid 5313] <... mmap resumed>) = 0x20fff000 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] <... rmdir resumed>) = 0 [pid 5315] close(3 [pid 5314] <... symlink resumed>) = 0 [pid 5313] exit_group(0 [pid 5010] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] mkdir("./45", 0777 [pid 5315] <... close resumed>) = 0 [pid 5314] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5313] <... exit_group resumed>) = ? [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5315] symlink("/dev/binderfs", "./binderfs" [pid 5314] <... openat resumed>) = 3 [pid 5005] <... mkdir resumed>) = 0 [pid 5315] <... symlink resumed>) = 0 [pid 5314] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5313] +++ exited with 0 +++ [pid 5010] lstat("./55/binderfs", [pid 5008] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5315] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] unlink("./55/binderfs" [pid 5008] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5314] <... mmap resumed>) = 0x20fff000 [pid 5010] <... unlink resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] getdents64(3, [pid 5008] fstat(3, [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] close(3 [pid 5008] getdents64(3, [pid 5315] <... openat resumed>) = 3 [pid 5314] exit_group(0 [pid 5010] <... close resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5315] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5314] <... exit_group resumed>) = ? [pid 5010] rmdir("./55" [pid 5008] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5316 [pid 5315] <... mmap resumed>) = 0x20fff000 [pid 5010] <... rmdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5316 attached [pid 5010] mkdir("./56", 0777 [pid 5008] lstat("./50/binderfs", [pid 5316] chdir("./45" [pid 5315] exit_group(0 [pid 5314] +++ exited with 0 +++ [pid 5010] <... mkdir resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5316] <... chdir resumed>) = 0 [pid 5315] <... exit_group resumed>) = ? [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] unlink("./50/binderfs" [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5315] +++ exited with 0 +++ [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5314, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5008] <... unlink resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5316] <... prctl resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5317 [pid 5009] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(3, [pid 5316] setpgid(0, 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5316] <... setpgid resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] close(3 [pid 5007] fstat(3, [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5317 attached [pid 5316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... openat resumed>) = 3 [pid 5008] <... close resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5316] <... openat resumed>) = 3 [pid 5009] fstat(3, [pid 5008] rmdir("./50" [pid 5007] getdents64(3, [pid 5317] chdir("./56" [pid 5316] write(3, "1000", 4 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... restart_syscall resumed>) = 0 [pid 5317] <... chdir resumed>) = 0 [pid 5316] <... write resumed>) = 4 [pid 5009] getdents64(3, [pid 5008] <... rmdir resumed>) = 0 [pid 5007] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5316] close(3 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] mkdir("./51", 0777 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5317] <... prctl resumed>) = 0 [pid 5316] <... close resumed>) = 0 [pid 5009] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] lstat("./50/binderfs", [pid 5317] setpgid(0, 0 [pid 5316] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... mkdir resumed>) = 0 [pid 5317] <... setpgid resumed>) = 0 [pid 5316] <... symlink resumed>) = 0 [pid 5009] lstat("./51/binderfs", [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5316] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./50/binderfs" [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5318 attached [pid 5317] <... openat resumed>) = 3 [pid 5316] <... openat resumed>) = 3 [pid 5009] unlink("./51/binderfs" [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5318 [pid 5318] chdir("./51" [pid 5317] write(3, "1000", 4 [pid 5316] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] <... unlink resumed>) = 0 [pid 5006] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5318] <... chdir resumed>) = 0 [pid 5317] <... write resumed>) = 4 [pid 5316] <... mmap resumed>) = 0x20fff000 [pid 5009] <... unlink resumed>) = 0 [pid 5007] getdents64(3, [pid 5006] <... openat resumed>) = 3 [pid 5318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5317] close(3 [pid 5316] exit_group(0 [pid 5009] getdents64(3, [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] fstat(3, [pid 5318] <... prctl resumed>) = 0 [pid 5317] <... close resumed>) = 0 [pid 5316] <... exit_group resumed>) = ? [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] close(3 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5318] setpgid(0, 0 [pid 5317] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... close resumed>) = 0 [pid 5006] getdents64(3, [pid 5318] <... setpgid resumed>) = 0 [pid 5317] <... symlink resumed>) = 0 [pid 5316] +++ exited with 0 +++ [pid 5009] close(3 [pid 5007] rmdir("./50" [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5317] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... close resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5006] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5318] <... openat resumed>) = 3 [pid 5317] <... openat resumed>) = 3 [pid 5009] rmdir("./51" [pid 5007] mkdir("./51", 0777 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5318] write(3, "1000", 4 [pid 5317] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... rmdir resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5006] lstat("./49/binderfs", [pid 5318] <... write resumed>) = 4 [pid 5317] <... mmap resumed>) = 0x20fff000 [pid 5009] mkdir("./52", 0777 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5319 attached [pid 5318] close(3 [pid 5317] exit_group(0 [pid 5009] <... mkdir resumed>) = 0 [pid 5006] unlink("./49/binderfs" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5319] chdir("./51" [pid 5318] <... close resumed>) = 0 [pid 5317] <... exit_group resumed>) = ? [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5319 [pid 5006] <... unlink resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5319] <... chdir resumed>) = 0 [pid 5318] symlink("/dev/binderfs", "./binderfs" [pid 5317] +++ exited with 0 +++ [pid 5006] getdents64(3, [pid 5319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5319] <... prctl resumed>) = 0 [pid 5318] <... symlink resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5320 [pid 5006] close(3 [pid 5005] fstat(3, [pid 5319] setpgid(0, 0 [pid 5006] <... close resumed>) = 0 [pid 5319] <... setpgid resumed>) = 0 [pid 5006] rmdir("./49" [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5006] <... rmdir resumed>) = 0 [pid 5005] getdents64(3, [pid 5319] <... openat resumed>) = 3 [pid 5318] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] mkdir("./50", 0777./strace-static-x86_64: Process 5320 attached [pid 5319] write(3, "1000", 4 [pid 5318] <... openat resumed>) = 3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... mkdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5320] chdir("./52" [pid 5319] <... write resumed>) = 4 [pid 5318] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5320] <... chdir resumed>) = 0 [pid 5319] close(3 [pid 5318] <... mmap resumed>) = 0x20fff000 [pid 5010] <... openat resumed>) = 3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5319] <... close resumed>) = 0 [pid 5010] fstat(3, [pid 5318] exit_group(0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5321 [pid 5005] lstat("./45/binderfs", [pid 5320] <... prctl resumed>) = 0 [pid 5319] symlink("/dev/binderfs", "./binderfs" [pid 5318] <... exit_group resumed>) = ? [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5321 attached [pid 5320] setpgid(0, 0 [pid 5319] <... symlink resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5321] chdir("./50" [pid 5320] <... setpgid resumed>) = 0 [pid 5319] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5318] +++ exited with 0 +++ [pid 5010] getdents64(3, [pid 5005] unlink("./45/binderfs" [pid 5321] <... chdir resumed>) = 0 [pid 5320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5319] <... openat resumed>) = 3 [pid 5005] <... unlink resumed>) = 0 [pid 5319] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5318, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5005] getdents64(3, 0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./45" [pid 5320] <... openat resumed>) = 3 [pid 5319] <... mmap resumed>) = 0x20fff000 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5005] <... rmdir resumed>) = 0 [pid 5320] write(3, "1000", 4 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5010] lstat("./56/binderfs", [pid 5005] mkdir("./46", 0777 [pid 5321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5320] <... write resumed>) = 4 [pid 5319] exit_group(0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5321] <... prctl resumed>) = 0 [pid 5320] close(3 [pid 5319] <... exit_group resumed>) = ? [pid 5010] unlink("./56/binderfs" [pid 5005] <... mkdir resumed>) = 0 [pid 5320] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] <... unlink resumed>) = 0 [pid 5008] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] getdents64(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5322 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5320] symlink("/dev/binderfs", "./binderfs" [pid 5010] close(3 [pid 5008] <... openat resumed>) = 3 [pid 5010] <... close resumed>) = 0 [pid 5010] rmdir("./56" [pid 5008] fstat(3, ./strace-static-x86_64: Process 5322 attached [pid 5010] <... rmdir resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] mkdir("./57", 0777 [pid 5008] getdents64(3, [pid 5322] chdir("./46") = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./51/binderfs", [pid 5322] <... prctl resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5322] setpgid(0, 0 [pid 5008] unlink("./51/binderfs" [pid 5322] <... setpgid resumed>) = 0 [pid 5322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... unlink resumed>) = 0 [pid 5322] <... openat resumed>) = 3 [pid 5321] setpgid(0, 0 [pid 5320] <... symlink resumed>) = 0 [pid 5319] +++ exited with 0 +++ [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5323 [pid 5008] getdents64(3, [pid 5322] write(3, "1000", 4 [pid 5321] <... setpgid resumed>) = 0 [pid 5320] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5322] <... write resumed>) = 4 [pid 5008] close(3 [pid 5322] close(3 [pid 5008] <... close resumed>) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] rmdir("./51" [pid 5007] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5323 attached [pid 5322] <... close resumed>) = 0 [pid 5323] chdir("./57" [pid 5322] symlink("/dev/binderfs", "./binderfs" [pid 5320] <... openat resumed>) = 3 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5323] <... chdir resumed>) = 0 [pid 5322] <... symlink resumed>) = 0 [pid 5321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5320] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] mkdir("./52", 0777 [pid 5007] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5322] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5321] <... openat resumed>) = 3 [pid 5320] <... mmap resumed>) = 0x20fff000 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5323] <... prctl resumed>) = 0 [pid 5322] <... openat resumed>) = 3 [pid 5321] write(3, "1000", 4 [pid 5320] exit_group(0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] fstat(3, [pid 5323] setpgid(0, 0 [pid 5322] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5321] <... write resumed>) = 4 [pid 5320] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5324 attached [pid 5323] <... setpgid resumed>) = 0 [pid 5322] <... mmap resumed>) = 0x20fff000 [pid 5321] close(3 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5324] chdir("./52" [pid 5323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5322] exit_group(0 [pid 5321] <... close resumed>) = 0 [pid 5320] +++ exited with 0 +++ [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5324 [pid 5007] getdents64(3, [pid 5324] <... chdir resumed>) = 0 [pid 5323] <... openat resumed>) = 3 [pid 5322] <... exit_group resumed>) = ? [pid 5321] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5321] <... symlink resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5324] <... prctl resumed>) = 0 [pid 5323] write(3, "1000", 4 [pid 5322] +++ exited with 0 +++ [pid 5321] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5324] setpgid(0, 0 [pid 5323] <... write resumed>) = 4 [pid 5321] <... openat resumed>) = 3 [pid 5009] <... restart_syscall resumed>) = 0 [pid 5007] lstat("./51/binderfs", [pid 5324] <... setpgid resumed>) = 0 [pid 5323] close(3 [pid 5321] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5323] <... close resumed>) = 0 [pid 5321] <... mmap resumed>) = 0x20fff000 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5007] unlink("./51/binderfs" [pid 5324] <... openat resumed>) = 3 [pid 5323] symlink("/dev/binderfs", "./binderfs" [pid 5321] exit_group(0 [pid 5009] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... restart_syscall resumed>) = 0 [pid 5324] write(3, "1000", 4 [pid 5323] <... symlink resumed>) = 0 [pid 5321] <... exit_group resumed>) = ? [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... unlink resumed>) = 0 [pid 5324] <... write resumed>) = 4 [pid 5323] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC) = 3 [pid 5005] umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5323] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5324] close(3 [pid 5323] <... mmap resumed>) = 0x20fff000 [pid 5321] +++ exited with 0 +++ [pid 5009] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] getdents64(3, [pid 5324] <... close resumed>) = 0 [pid 5323] exit_group(0 [pid 5005] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... openat resumed>) = 3 [pid 5324] symlink("/dev/binderfs", "./binderfs" [pid 5323] <... exit_group resumed>) = ? [pid 5009] fstat(3, [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5324] <... symlink resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] close(3 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5321, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5324] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] getdents64(3, [pid 5007] <... close resumed>) = 0 [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5324] <... openat resumed>) = 3 [pid 5323] +++ exited with 0 +++ [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] rmdir("./51" [pid 5006] <... restart_syscall resumed>) = 0 [pid 5005] fstat(3, [pid 5324] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] getdents64(3, [pid 5007] <... rmdir resumed>) = 0 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5005] umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5324] <... mmap resumed>) = 0x20fff000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] lstat("./52/binderfs", [pid 5007] mkdir("./52", 0777 [pid 5005] lstat("./46/binderfs", [pid 5324] exit_group(0 [pid 5010] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... mkdir resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] unlink("./52/binderfs" [pid 5005] unlink("./46/binderfs" [pid 5324] <... exit_group resumed>) = ? [pid 5010] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... unlink resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... unlink resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5005] getdents64(3, [pid 5010] fstat(3, [pid 5009] getdents64(3, [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] close(3 [pid 5010] getdents64(3, [pid 5009] close(3 [pid 5005] <... close resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] <... close resumed>) = 0 [pid 5006] <... openat resumed>) = 3 [pid 5005] rmdir("./46"./strace-static-x86_64: Process 5325 attached [pid 5324] +++ exited with 0 +++ [pid 5010] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] rmdir("./52" [pid 5006] fstat(3, [pid 5005] <... rmdir resumed>) = 0 [pid 5325] chdir("./52" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... rmdir resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5325 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] mkdir("./47", 0777 [pid 5325] <... chdir resumed>) = 0 [pid 5010] lstat("./57/binderfs", [pid 5009] mkdir("./53", 0777 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5006] getdents64(3, [pid 5005] <... mkdir resumed>) = 0 [pid 5325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5325] <... prctl resumed>) = 0 [pid 5010] unlink("./57/binderfs" [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5325] setpgid(0, 0 [pid 5010] <... unlink resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5325] <... setpgid resumed>) = 0 [pid 5006] lstat("./50/binderfs", ./strace-static-x86_64: Process 5327 attached ./strace-static-x86_64: Process 5326 attached [pid 5325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] getdents64(3, [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5326 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5327] chdir("./53" [pid 5326] chdir("./47" [pid 5325] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5327 [pid 5008] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] unlink("./50/binderfs" [pid 5327] <... chdir resumed>) = 0 [pid 5326] <... chdir resumed>) = 0 [pid 5325] write(3, "1000", 4 [pid 5010] close(3 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5325] <... write resumed>) = 4 [pid 5010] <... close resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... unlink resumed>) = 0 [pid 5327] <... prctl resumed>) = 0 [pid 5326] <... prctl resumed>) = 0 [pid 5325] close(3 [pid 5010] rmdir("./57" [pid 5008] <... openat resumed>) = 3 [pid 5006] getdents64(3, [pid 5327] setpgid(0, 0 [pid 5326] setpgid(0, 0 [pid 5325] <... close resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5008] fstat(3, [pid 5327] <... setpgid resumed>) = 0 [pid 5326] <... setpgid resumed>) = 0 [pid 5325] symlink("/dev/binderfs", "./binderfs" [pid 5010] mkdir("./58", 0777 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5325] <... symlink resumed>) = 0 [pid 5010] <... mkdir resumed>) = 0 [pid 5008] getdents64(3, [pid 5006] close(3 [pid 5327] <... openat resumed>) = 3 [pid 5326] <... openat resumed>) = 3 [pid 5325] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 5328 attached [pid 5327] write(3, "1000", 4 [pid 5326] write(3, "1000", 4 [pid 5325] <... openat resumed>) = 3 [pid 5008] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... close resumed>) = 0 [pid 5327] <... write resumed>) = 4 [pid 5326] <... write resumed>) = 4 [pid 5325] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5328 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] rmdir("./50" [pid 5327] close(3 [pid 5326] close(3 [pid 5327] <... close resumed>) = 0 [pid 5326] <... close resumed>) = 0 [pid 5325] <... mmap resumed>) = 0x20fff000 [pid 5327] symlink("/dev/binderfs", "./binderfs" [pid 5326] symlink("/dev/binderfs", "./binderfs" [pid 5328] chdir("./58" [pid 5327] <... symlink resumed>) = 0 [pid 5326] <... symlink resumed>) = 0 [pid 5325] exit_group(0 [pid 5008] lstat("./52/binderfs", [pid 5006] <... rmdir resumed>) = 0 [pid 5328] <... chdir resumed>) = 0 [pid 5327] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5326] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5325] <... exit_group resumed>) = ? [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] mkdir("./51", 0777 [pid 5328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5327] <... openat resumed>) = 3 [pid 5326] <... openat resumed>) = 3 [pid 5327] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5326] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5327] <... mmap resumed>) = 0x20fff000 [pid 5326] <... mmap resumed>) = 0x20fff000 [pid 5325] +++ exited with 0 +++ [pid 5328] <... prctl resumed>) = 0 [pid 5008] unlink("./52/binderfs" [pid 5006] <... mkdir resumed>) = 0 [pid 5327] exit_group(0 [pid 5326] exit_group(0 [pid 5327] <... exit_group resumed>) = ? [pid 5326] <... exit_group resumed>) = ? [pid 5328] setpgid(0, 0 [pid 5327] +++ exited with 0 +++ [pid 5326] +++ exited with 0 +++ [pid 5008] <... unlink resumed>) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5328] <... setpgid resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] getdents64(3, [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5329 [pid 5005] <... openat resumed>) = 3 [pid 5008] close(3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(3, [pid 5328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... close resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] rmdir("./52" [pid 5007] <... openat resumed>) = 3 [pid 5005] getdents64(3, ./strace-static-x86_64: Process 5329 attached [pid 5328] <... openat resumed>) = 3 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5329] chdir("./51" [pid 5328] write(3, "1000", 4 [pid 5009] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... rmdir resumed>) = 0 [pid 5007] fstat(3, [pid 5005] umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5329] <... chdir resumed>) = 0 [pid 5328] <... write resumed>) = 4 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] mkdir("./53", 0777 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5328] close(3 [pid 5009] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] lstat("./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] getdents64(3, [pid 5005] unlink("./47/binderfs" [pid 5329] <... prctl resumed>) = 0 [pid 5328] <... close resumed>) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] <... unlink resumed>) = 0 [pid 5329] setpgid(0, 0 [pid 5328] symlink("/dev/binderfs", "./binderfs" [pid 5009] fstat(3, [pid 5005] getdents64(3, 0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./47" [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... rmdir resumed>) = 0 [pid 5329] <... setpgid resumed>) = 0 [pid 5328] <... symlink resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5330 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] mkdir("./48", 0777 [pid 5329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5328] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] lstat("./52/binderfs", [pid 5005] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5330 attached [pid 5009] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5331 attached [pid 5330] chdir("./53" [pid 5329] <... openat resumed>) = 3 [pid 5328] <... openat resumed>) = 3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] unlink("./52/binderfs" [pid 5331] chdir("./48" [pid 5330] <... chdir resumed>) = 0 [pid 5329] write(3, "1000", 4 [pid 5328] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] lstat("./53/binderfs", [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5331 [pid 5331] <... chdir resumed>) = 0 [pid 5330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... unlink resumed>) = 0 [pid 5331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5330] <... prctl resumed>) = 0 [pid 5331] <... prctl resumed>) = 0 [pid 5330] setpgid(0, 0 [pid 5328] <... mmap resumed>) = 0x20fff000 [pid 5331] setpgid(0, 0 [pid 5330] <... setpgid resumed>) = 0 [pid 5329] <... write resumed>) = 4 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] getdents64(3, [pid 5331] <... setpgid resumed>) = 0 [pid 5330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5329] close(3 [pid 5328] exit_group(0 [pid 5009] unlink("./53/binderfs" [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5330] <... openat resumed>) = 3 [pid 5329] <... close resumed>) = 0 [pid 5328] <... exit_group resumed>) = ? [pid 5331] <... openat resumed>) = 3 [pid 5330] write(3, "1000", 4 [pid 5329] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... unlink resumed>) = 0 [pid 5007] close(3 [pid 5331] write(3, "1000", 4 [pid 5330] <... write resumed>) = 4 [pid 5329] <... symlink resumed>) = 0 [pid 5009] getdents64(3, [pid 5007] <... close resumed>) = 0 [pid 5331] <... write resumed>) = 4 [pid 5330] close(3 [pid 5329] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5328] +++ exited with 0 +++ [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] rmdir("./52" [pid 5331] close(3 [pid 5330] <... close resumed>) = 0 [pid 5329] <... openat resumed>) = 3 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] close(3 [pid 5331] <... close resumed>) = 0 [pid 5330] symlink("/dev/binderfs", "./binderfs" [pid 5329] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5331] symlink("/dev/binderfs", "./binderfs" [pid 5330] <... symlink resumed>) = 0 [pid 5331] <... symlink resumed>) = 0 [pid 5329] <... mmap resumed>) = 0x20fff000 [pid 5009] rmdir("./53" [pid 5007] mkdir("./53", 0777 [pid 5330] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5331] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5330] <... openat resumed>) = 3 [pid 5329] exit_group(0 [pid 5009] <... rmdir resumed>) = 0 [pid 5331] <... openat resumed>) = 3 [pid 5330] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5329] <... exit_group resumed>) = ? [pid 5009] mkdir("./54", 0777 [pid 5007] <... mkdir resumed>) = 0 [pid 5331] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5330] <... mmap resumed>) = 0x20fff000 [pid 5010] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5331] <... mmap resumed>) = 0x20fff000 [pid 5329] +++ exited with 0 +++ [pid 5330] exit_group(0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... mkdir resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5331] exit_group(0 [pid 5330] <... exit_group resumed>) = ? [pid 5010] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5332 attached [pid 5331] <... exit_group resumed>) = ? [pid 5330] +++ exited with 0 +++ [pid 5010] <... openat resumed>) = 3 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5332] chdir("./53" [pid 5010] fstat(3, [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5333 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5332 [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5332] <... chdir resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5331] +++ exited with 0 +++ [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] <... restart_syscall resumed>) = 0 [pid 5332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] getdents64(3, [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5332] <... prctl resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5332] setpgid(0, 0 [pid 5010] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5333 attached [pid 5332] <... setpgid resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... restart_syscall resumed>) = 0 [pid 5333] chdir("./54" [pid 5332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] lstat("./58/binderfs", [pid 5008] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5333] <... chdir resumed>) = 0 [pid 5332] <... openat resumed>) = 3 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... openat resumed>) = 3 [pid 5332] write(3, "1000", 4 [pid 5010] unlink("./58/binderfs" [pid 5008] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] fstat(3, [pid 5005] umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5332] <... write resumed>) = 4 [pid 5010] <... unlink resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5332] close(3 [pid 5333] <... prctl resumed>) = 0 [pid 5010] getdents64(3, [pid 5008] fstat(3, [pid 5006] getdents64(3, [pid 5005] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5332] <... close resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5333] setpgid(0, 0 [pid 5332] symlink("/dev/binderfs", "./binderfs" [pid 5010] close(3 [pid 5008] getdents64(3, [pid 5006] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... openat resumed>) = 3 [pid 5333] <... setpgid resumed>) = 0 [pid 5332] <... symlink resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(3, [pid 5333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5332] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] rmdir("./58" [pid 5008] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] lstat("./51/binderfs", [pid 5333] <... openat resumed>) = 3 [pid 5332] <... openat resumed>) = 3 [pid 5010] <... rmdir resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5333] write(3, "1000", 4 [pid 5332] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] mkdir("./59", 0777 [pid 5008] lstat("./53/binderfs", [pid 5006] unlink("./51/binderfs" [pid 5333] <... write resumed>) = 4 [pid 5332] <... mmap resumed>) = 0x20fff000 [pid 5010] <... mkdir resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5005] getdents64(3, [pid 5333] close(3 [pid 5332] exit_group(0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] unlink("./53/binderfs" [pid 5006] getdents64(3, [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5333] <... close resumed>) = 0 [pid 5332] <... exit_group resumed>) = ? [pid 5005] umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5333] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5333] <... symlink resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] lstat("./48/binderfs", [pid 5333] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5332] +++ exited with 0 +++ [pid 5008] getdents64(3, [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] close(3./strace-static-x86_64: Process 5334 attached [pid 5333] <... openat resumed>) = 3 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5334 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] <... close resumed>) = 0 [pid 5005] unlink("./48/binderfs" [pid 5334] chdir("./59" [pid 5333] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] close(3 [pid 5006] rmdir("./51" [pid 5005] <... unlink resumed>) = 0 [pid 5334] <... chdir resumed>) = 0 [pid 5333] <... mmap resumed>) = 0x20fff000 [pid 5008] <... close resumed>) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] getdents64(3, [pid 5334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5333] exit_group(0 [pid 5008] rmdir("./53" [pid 5007] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] mkdir("./52", 0777 [pid 5334] <... prctl resumed>) = 0 [pid 5333] <... exit_group resumed>) = ? [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5333] +++ exited with 0 +++ [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] close(3 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] rmdir("./48" [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5334] setpgid(0, 0 [pid 5008] mkdir("./54", 0777 [pid 5007] <... openat resumed>) = 3 [pid 5005] <... rmdir resumed>) = 0 [pid 5005] mkdir("./49", 0777) = 0 [pid 5007] fstat(3, [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5334] <... setpgid resumed>) = 0 [pid 5009] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... mkdir resumed>) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5335 ./strace-static-x86_64: Process 5336 attached ./strace-static-x86_64: Process 5335 attached [pid 5334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] getdents64(3, [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5336 [pid 5009] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5336] chdir("./49" [pid 5335] chdir("./52" [pid 5009] <... openat resumed>) = 3 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5336] <... chdir resumed>) = 0 [pid 5335] <... chdir resumed>) = 0 [pid 5334] <... openat resumed>) = 3 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5337 [pid 5336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5334] write(3, "1000", 4 [pid 5009] fstat(3, [pid 5007] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5336] <... prctl resumed>) = 0 [pid 5335] <... prctl resumed>) = 0 [pid 5334] <... write resumed>) = 4 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5336] setpgid(0, 0 [pid 5335] setpgid(0, 0 [pid 5334] close(3 [pid 5009] getdents64(3, [pid 5007] lstat("./53/binderfs", [pid 5336] <... setpgid resumed>) = 0 [pid 5335] <... setpgid resumed>) = 0 [pid 5334] <... close resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 5337 attached [pid 5336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5334] symlink("/dev/binderfs", "./binderfs" [pid 5009] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] unlink("./53/binderfs" [pid 5337] chdir("./54" [pid 5336] <... openat resumed>) = 3 [pid 5335] <... openat resumed>) = 3 [pid 5334] <... symlink resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5336] write(3, "1000", 4 [pid 5335] write(3, "1000", 4 [pid 5334] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] lstat("./54/binderfs", [pid 5007] <... unlink resumed>) = 0 [pid 5336] <... write resumed>) = 4 [pid 5335] <... write resumed>) = 4 [pid 5336] close(3 [pid 5335] close(3 [pid 5334] <... openat resumed>) = 3 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] getdents64(3, [pid 5336] <... close resumed>) = 0 [pid 5335] <... close resumed>) = 0 [pid 5334] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] unlink("./54/binderfs" [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5336] symlink("/dev/binderfs", "./binderfs" [pid 5335] symlink("/dev/binderfs", "./binderfs" [pid 5336] <... symlink resumed>) = 0 [pid 5335] <... symlink resumed>) = 0 [pid 5337] <... chdir resumed>) = 0 [pid 5334] <... mmap resumed>) = 0x20fff000 [pid 5009] <... unlink resumed>) = 0 [pid 5007] close(3 [pid 5337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5336] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5335] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5334] exit_group(0 [pid 5009] getdents64(3, [pid 5007] <... close resumed>) = 0 [pid 5337] <... prctl resumed>) = 0 [pid 5336] <... openat resumed>) = 3 [pid 5335] <... openat resumed>) = 3 [pid 5334] <... exit_group resumed>) = ? [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] rmdir("./53" [pid 5336] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5335] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5337] setpgid(0, 0 [pid 5336] <... mmap resumed>) = 0x20fff000 [pid 5334] +++ exited with 0 +++ [pid 5009] close(3 [pid 5007] <... rmdir resumed>) = 0 [pid 5337] <... setpgid resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5007] mkdir("./54", 0777 [pid 5337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5336] exit_group(0 [pid 5335] <... mmap resumed>) = 0x20fff000 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] rmdir("./54" [pid 5337] <... openat resumed>) = 3 [pid 5336] <... exit_group resumed>) = ? [pid 5335] exit_group(0 [pid 5010] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... mkdir resumed>) = 0 [pid 5337] write(3, "1000", 4 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... rmdir resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5338 attached [pid 5337] <... write resumed>) = 4 [pid 5336] +++ exited with 0 +++ [pid 5335] <... exit_group resumed>) = ? [pid 5010] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] mkdir("./55", 0777 [pid 5338] chdir("./54" [pid 5337] close(3 [pid 5335] +++ exited with 0 +++ [pid 5010] <... openat resumed>) = 3 [pid 5009] <... mkdir resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5338 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5338] <... chdir resumed>) = 0 [pid 5337] <... close resumed>) = 0 [pid 5010] fstat(3, [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5337] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] getdents64(3, [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5339 [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... restart_syscall resumed>) = 0 [pid 5337] <... symlink resumed>) = 0 [pid 5010] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5339 attached [pid 5338] <... prctl resumed>) = 0 [pid 5337] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] lstat("./59/binderfs", [pid 5337] <... openat resumed>) = 3 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5338] setpgid(0, 0 [pid 5337] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] unlink("./59/binderfs" [pid 5006] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, [pid 5337] <... mmap resumed>) = 0x20fff000 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] getdents64(3, [pid 5010] <... unlink resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] getdents64(3, [pid 5006] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5338] <... setpgid resumed>) = 0 [pid 5337] exit_group(0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... openat resumed>) = 3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5339] chdir("./55" [pid 5337] <... exit_group resumed>) = ? [pid 5010] close(3 [pid 5006] fstat(3, [pid 5005] lstat("./49/binderfs", [pid 5339] <... chdir resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] rmdir("./59" [pid 5006] getdents64(3, [pid 5005] unlink("./49/binderfs" [pid 5339] <... prctl resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5339] setpgid(0, 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] getdents64(3, [pid 5339] <... setpgid resumed>) = 0 [pid 5010] mkdir("./60", 0777 [pid 5006] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] close(3 [pid 5339] <... openat resumed>) = 3 [pid 5010] <... mkdir resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... close resumed>) = 0 [pid 5339] write(3, "1000", 4 [pid 5338] <... openat resumed>) = 3 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] lstat("./52/binderfs", [pid 5005] rmdir("./49" [pid 5339] <... write resumed>) = 4 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5339] close(3 [pid 5006] unlink("./52/binderfs" [pid 5005] mkdir("./50", 0777 [pid 5339] <... close resumed>) = 0 [pid 5338] write(3, "1000", 4 [pid 5337] +++ exited with 0 +++ [pid 5006] <... unlink resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5340 attached [pid 5339] symlink("/dev/binderfs", "./binderfs" [pid 5338] <... write resumed>) = 4 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5340 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5337, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5006] getdents64(3, [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5340] chdir("./60" [pid 5339] <... symlink resumed>) = 0 [pid 5338] close(3 [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5338] <... close resumed>) = 0 [pid 5006] close(3 [pid 5339] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5338] symlink("/dev/binderfs", "./binderfs" [pid 5008] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... close resumed>) = 0 [pid 5339] <... openat resumed>) = 3 [pid 5338] <... symlink resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] rmdir("./52" [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5341 ./strace-static-x86_64: Process 5341 attached [pid 5340] <... chdir resumed>) = 0 [pid 5339] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5338] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... rmdir resumed>) = 0 [pid 5340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5338] <... openat resumed>) = 3 [pid 5008] <... openat resumed>) = 3 [pid 5006] mkdir("./53", 0777 [pid 5341] chdir("./50" [pid 5340] <... prctl resumed>) = 0 [pid 5339] <... mmap resumed>) = 0x20fff000 [pid 5338] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] fstat(3, [pid 5006] <... mkdir resumed>) = 0 [pid 5341] <... chdir resumed>) = 0 [pid 5340] setpgid(0, 0 [pid 5339] exit_group(0 [pid 5338] <... mmap resumed>) = 0x20fff000 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5340] <... setpgid resumed>) = 0 [pid 5339] <... exit_group resumed>) = ? [pid 5338] exit_group(0 [pid 5008] getdents64(3, ./strace-static-x86_64: Process 5342 attached [pid 5340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5338] <... exit_group resumed>) = ? [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5341] <... prctl resumed>) = 0 [pid 5340] <... openat resumed>) = 3 [pid 5339] +++ exited with 0 +++ [pid 5341] setpgid(0, 0) = 0 [pid 5342] chdir("./53" [pid 5341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5340] write(3, "1000", 4 [pid 5338] +++ exited with 0 +++ [pid 5008] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5342 [pid 5342] <... chdir resumed>) = 0 [pid 5341] <... openat resumed>) = 3 [pid 5340] <... write resumed>) = 4 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5339, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5341] write(3, "1000", 4 [pid 5340] close(3 [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5008] lstat("./54/binderfs", [pid 5341] <... write resumed>) = 4 [pid 5340] <... close resumed>) = 0 [pid 5009] <... restart_syscall resumed>) = 0 [pid 5341] close(3 [pid 5340] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5342] <... prctl resumed>) = 0 [pid 5341] <... close resumed>) = 0 [pid 5340] <... symlink resumed>) = 0 [pid 5008] unlink("./54/binderfs" [pid 5341] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5340] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] <... unlink resumed>) = 0 [pid 5342] setpgid(0, 0 [pid 5341] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5342] <... setpgid resumed>) = 0 [pid 5341] <... openat resumed>) = 3 [pid 5340] <... openat resumed>) = 3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(3, [pid 5341] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5340] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5341] <... mmap resumed>) = 0x20fff000 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5341] exit_group(0) = ? [pid 5340] <... mmap resumed>) = 0x20fff000 [pid 5342] <... openat resumed>) = 3 [pid 5340] exit_group(0 [pid 5009] <... openat resumed>) = 3 [pid 5008] close(3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5342] write(3, "1000", 4 [pid 5341] +++ exited with 0 +++ [pid 5340] <... exit_group resumed>) = ? [pid 5009] fstat(3, [pid 5008] <... close resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5342] <... write resumed>) = 4 [pid 5342] close(3) = 0 [pid 5342] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] rmdir("./54" [pid 5007] <... openat resumed>) = 3 [pid 5009] getdents64(3, [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5342] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] <... rmdir resumed>) = 0 [pid 5342] <... openat resumed>) = 3 [pid 5340] +++ exited with 0 +++ [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] mkdir("./55", 0777 [pid 5007] fstat(3, [pid 5005] umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5342] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5340, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5009] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... mkdir resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5342] <... mmap resumed>) = 0x20fff000 [pid 5009] lstat("./55/binderfs", [pid 5007] getdents64(3, [pid 5005] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5342] exit_group(0 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5343 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] <... openat resumed>) = 3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] unlink("./55/binderfs" [pid 5007] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] fstat(3, [pid 5010] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... unlink resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5009] getdents64(3, [pid 5007] lstat("./54/binderfs", [pid 5005] getdents64(3, [pid 5010] fstat(3, [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] close(3 [pid 5007] unlink("./54/binderfs" [pid 5005] umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5343 attached [pid 5342] <... exit_group resumed>) = ? [pid 5010] getdents64(3, [pid 5009] <... close resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] rmdir("./55" [pid 5007] getdents64(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... rmdir resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] lstat("./50/binderfs", [pid 5343] chdir("./55" [pid 5342] +++ exited with 0 +++ [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] mkdir("./56", 0777 [pid 5007] close(3 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5343] <... chdir resumed>) = 0 [pid 5010] lstat("./60/binderfs", [pid 5343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] unlink("./50/binderfs" [pid 5343] setpgid(0, 0 [pid 5010] unlink("./60/binderfs" [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] rmdir("./54" [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5005] <... unlink resumed>) = 0 [pid 5343] <... setpgid resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5344 attached [pid 5343] <... openat resumed>) = 3 [pid 5010] getdents64(3, [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5344 [pid 5007] mkdir("./55", 0777 [pid 5006] <... restart_syscall resumed>) = 0 [pid 5005] getdents64(3, [pid 5343] write(3, "1000", 4 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5343] <... write resumed>) = 4 [pid 5007] <... mkdir resumed>) = 0 [pid 5010] close(3 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5344] chdir("./56" [pid 5343] close(3 [pid 5010] <... close resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] close(3 [pid 5344] <... chdir resumed>) = 0 [pid 5343] <... close resumed>) = 0 [pid 5010] rmdir("./60" [pid 5343] symlink("/dev/binderfs", "./binderfs" [pid 5006] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5345 attached [pid 5344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5343] <... symlink resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5345 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... close resumed>) = 0 [pid 5344] <... prctl resumed>) = 0 [pid 5343] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] mkdir("./61", 0777 [pid 5006] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] rmdir("./50" [pid 5345] chdir("./55" [pid 5344] setpgid(0, 0 [pid 5343] <... openat resumed>) = 3 [pid 5343] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5344] <... setpgid resumed>) = 0 [pid 5343] <... mmap resumed>) = 0x20fff000 [pid 5010] <... mkdir resumed>) = 0 [pid 5345] <... chdir resumed>) = 0 [pid 5006] <... openat resumed>) = 3 [pid 5005] <... rmdir resumed>) = 0 [pid 5343] exit_group(0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] fstat(3, [pid 5005] mkdir("./51", 0777 [pid 5345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5343] <... exit_group resumed>) = ? [pid 5343] +++ exited with 0 +++ [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5346 attached [pid 5005] <... mkdir resumed>) = 0 [pid 5346] chdir("./61" [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5346 [pid 5006] getdents64(3, [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5345] <... prctl resumed>) = 0 [pid 5344] <... openat resumed>) = 3 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5343, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5346] <... chdir resumed>) = 0 [pid 5346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5346] setpgid(0, 0) = 0 [pid 5346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5344] write(3, "1000", 4 [pid 5008] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5345] setpgid(0, 0 [pid 5006] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5347 [pid 5344] <... write resumed>) = 4 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5345] <... setpgid resumed>) = 0 [pid 5344] close(3 [pid 5008] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] lstat("./53/binderfs", [pid 5344] <... close resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5346] <... openat resumed>) = 3 [pid 5344] symlink("/dev/binderfs", "./binderfs" [pid 5008] fstat(3, [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] unlink("./53/binderfs" [pid 5008] getdents64(3, ./strace-static-x86_64: Process 5347 attached [pid 5346] write(3, "1000", 4 [pid 5006] <... unlink resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] getdents64(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] lstat("./55/binderfs", [pid 5006] close(3 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] <... close resumed>) = 0 [pid 5008] unlink("./55/binderfs" [pid 5006] rmdir("./53" [pid 5347] chdir("./51" [pid 5346] <... write resumed>) = 4 [pid 5008] <... unlink resumed>) = 0 [pid 5347] <... chdir resumed>) = 0 [pid 5346] close(3 [pid 5344] <... symlink resumed>) = 0 [pid 5008] getdents64(3, [pid 5006] <... rmdir resumed>) = 0 [pid 5345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5346] <... close resumed>) = 0 [pid 5344] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] mkdir("./54", 0777 [pid 5347] <... prctl resumed>) = 0 [pid 5346] symlink("/dev/binderfs", "./binderfs" [pid 5345] <... openat resumed>) = 3 [pid 5008] close(3 [pid 5347] setpgid(0, 0 [pid 5346] <... symlink resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5347] <... setpgid resumed>) = 0 [pid 5346] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5345] write(3, "1000", 4 [pid 5344] <... openat resumed>) = 3 [pid 5008] rmdir("./55" [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5346] <... openat resumed>) = 3 [pid 5345] <... write resumed>) = 4 [pid 5344] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5347] <... openat resumed>) = 3 [pid 5346] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5347] write(3, "1000", 4 [pid 5346] <... mmap resumed>) = 0x20fff000 [pid 5008] mkdir("./56", 0777 [pid 5347] <... write resumed>) = 4 [pid 5346] exit_group(0 [pid 5345] close(3 [pid 5344] <... mmap resumed>) = 0x20fff000 [pid 5347] close(3 [pid 5346] <... exit_group resumed>) = ? [pid 5008] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5348 attached [pid 5347] <... close resumed>) = 0 [pid 5345] <... close resumed>) = 0 [pid 5344] exit_group(0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5348 [pid 5348] chdir("./54" [pid 5347] symlink("/dev/binderfs", "./binderfs" [pid 5346] +++ exited with 0 +++ [pid 5345] symlink("/dev/binderfs", "./binderfs" [pid 5344] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5349 attached [pid 5348] <... chdir resumed>) = 0 [pid 5347] <... symlink resumed>) = 0 [pid 5345] <... symlink resumed>) = 0 [pid 5347] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5345] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5344] +++ exited with 0 +++ [pid 5348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5349 [pid 5349] chdir("./56" [pid 5348] <... prctl resumed>) = 0 [pid 5347] <... openat resumed>) = 3 [pid 5345] <... openat resumed>) = 3 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5349] <... chdir resumed>) = 0 [pid 5348] setpgid(0, 0 [pid 5347] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5345] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5348] <... setpgid resumed>) = 0 [pid 5347] <... mmap resumed>) = 0x20fff000 [pid 5345] <... mmap resumed>) = 0x20fff000 [pid 5010] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5349] <... prctl resumed>) = 0 [pid 5348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5347] exit_group(0 [pid 5345] exit_group(0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5349] setpgid(0, 0 [pid 5348] <... openat resumed>) = 3 [pid 5347] <... exit_group resumed>) = ? [pid 5345] <... exit_group resumed>) = ? [pid 5010] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5349] <... setpgid resumed>) = 0 [pid 5348] write(3, "1000", 4 [pid 5349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5348] <... write resumed>) = 4 [pid 5347] +++ exited with 0 +++ [pid 5010] <... openat resumed>) = 3 [pid 5349] <... openat resumed>) = 3 [pid 5348] close(3 [pid 5345] +++ exited with 0 +++ [pid 5010] fstat(3, [pid 5009] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5349] write(3, "1000", 4 [pid 5348] <... close resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5347, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5349] <... write resumed>) = 4 [pid 5348] symlink("/dev/binderfs", "./binderfs" [pid 5010] getdents64(3, [pid 5009] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5349] close(3 [pid 5348] <... symlink resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] <... openat resumed>) = 3 [pid 5349] <... close resumed>) = 0 [pid 5348] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] fstat(3, [pid 5349] symlink("/dev/binderfs", "./binderfs" [pid 5348] <... openat resumed>) = 3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5349] <... symlink resumed>) = 0 [pid 5348] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] lstat("./61/binderfs", [pid 5009] getdents64(3, [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5349] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5007] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5348] <... mmap resumed>) = 0x20fff000 [pid 5007] <... openat resumed>) = 3 [pid 5005] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] fstat(3, [pid 5005] <... openat resumed>) = 3 [pid 5349] <... openat resumed>) = 3 [pid 5348] exit_group(0 [pid 5010] unlink("./61/binderfs" [pid 5009] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] fstat(3, [pid 5349] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5348] <... exit_group resumed>) = ? [pid 5010] <... unlink resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] getdents64(3, [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] getdents64(3, [pid 5007] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] lstat("./55/binderfs", [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5348] +++ exited with 0 +++ [pid 5009] lstat("./56/binderfs", [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] lstat("./51/binderfs", [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./55/binderfs" [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5349] <... mmap resumed>) = 0x20fff000 [pid 5010] close(3 [pid 5009] unlink("./56/binderfs" [pid 5007] <... unlink resumed>) = 0 [pid 5005] unlink("./51/binderfs" [pid 5010] <... close resumed>) = 0 [pid 5349] exit_group(0 [pid 5009] <... unlink resumed>) = 0 [pid 5007] getdents64(3, [pid 5005] <... unlink resumed>) = 0 [pid 5349] <... exit_group resumed>) = ? [pid 5010] rmdir("./61" [pid 5009] getdents64(3, [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] getdents64(3, [pid 5007] close(3 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... close resumed>) = 0 [pid 5005] close(3 [pid 5010] mkdir("./62", 0777 [pid 5009] close(3 [pid 5007] rmdir("./55" [pid 5006] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... close resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5005] rmdir("./51" [pid 5349] +++ exited with 0 +++ [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5007] mkdir("./56", 0777 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... rmdir resumed>) = 0 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] rmdir("./56" [pid 5007] <... mkdir resumed>) = 0 [pid 5006] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] mkdir("./52", 0777 [pid 5009] <... rmdir resumed>) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... openat resumed>) = 3 [pid 5005] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5351 attached [pid 5009] mkdir("./57", 0777 [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5006] fstat(3, [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5350 [pid 5009] <... mkdir resumed>) = 0 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5351 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] getdents64(3, [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5352 ./strace-static-x86_64: Process 5350 attached [pid 5350] chdir("./62" [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5353 [pid 5008] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] lstat("./54/binderfs", [pid 5008] <... openat resumed>) = 3 [pid 5008] fstat(3, [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] unlink("./54/binderfs" [pid 5008] getdents64(3, [pid 5350] <... chdir resumed>) = 0 [pid 5350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5006] <... unlink resumed>) = 0 [pid 5350] <... prctl resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] getdents64(3, [pid 5350] setpgid(0, 0 [pid 5008] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5352 attached [pid 5350] <... setpgid resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5351] chdir("./56" [pid 5006] close(3./strace-static-x86_64: Process 5353 attached [pid 5350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] lstat("./56/binderfs", [pid 5353] chdir("./57" [pid 5352] chdir("./52" [pid 5351] <... chdir resumed>) = 0 [pid 5350] <... openat resumed>) = 3 [pid 5006] <... close resumed>) = 0 [pid 5353] <... chdir resumed>) = 0 [pid 5351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5350] write(3, "1000", 4 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] rmdir("./54" [pid 5353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5351] <... prctl resumed>) = 0 [pid 5350] <... write resumed>) = 4 [pid 5008] unlink("./56/binderfs" [pid 5353] <... prctl resumed>) = 0 [pid 5350] close(3 [pid 5006] <... rmdir resumed>) = 0 [pid 5353] setpgid(0, 0 [pid 5350] <... close resumed>) = 0 [pid 5008] <... unlink resumed>) = 0 [pid 5353] <... setpgid resumed>) = 0 [pid 5351] setpgid(0, 0 [pid 5350] symlink("/dev/binderfs", "./binderfs" [pid 5008] getdents64(3, [pid 5006] mkdir("./55", 0777 [pid 5353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5352] <... chdir resumed>) = 0 [pid 5351] <... setpgid resumed>) = 0 [pid 5350] <... symlink resumed>) = 0 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5353] <... openat resumed>) = 3 [pid 5350] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] close(3 [pid 5006] <... mkdir resumed>) = 0 [pid 5353] write(3, "1000", 4 [pid 5352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5350] <... openat resumed>) = 3 [pid 5008] <... close resumed>) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5353] <... write resumed>) = 4 [pid 5350] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] rmdir("./56" [pid 5353] close(3 [pid 5350] <... mmap resumed>) = 0x20fff000 [pid 5353] <... close resumed>) = 0 [pid 5350] exit_group(0 [pid 5008] <... rmdir resumed>) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5354 [pid 5353] symlink("/dev/binderfs", "./binderfs" [pid 5352] <... prctl resumed>) = 0 [pid 5351] <... openat resumed>) = 3 [pid 5350] <... exit_group resumed>) = ? [pid 5008] mkdir("./57", 0777 [pid 5353] <... symlink resumed>) = 0 [pid 5352] setpgid(0, 0 [pid 5351] write(3, "1000", 4 [pid 5350] +++ exited with 0 +++ [pid 5353] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC./strace-static-x86_64: Process 5354 attached ) = 3 [pid 5352] <... setpgid resumed>) = 0 [pid 5351] <... write resumed>) = 4 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... mkdir resumed>) = 0 [pid 5353] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5351] close(3 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5354] chdir("./55" [pid 5353] <... mmap resumed>) = 0x20fff000 [pid 5352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5351] <... close resumed>) = 0 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5353] exit_group(0) = ? [pid 5354] <... chdir resumed>) = 0 [pid 5353] +++ exited with 0 +++ [pid 5352] <... openat resumed>) = 3 [pid 5351] symlink("/dev/binderfs", "./binderfs" [pid 5354] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5355 attached [pid 5351] <... symlink resumed>) = 0 [pid 5355] chdir("./57" [pid 5354] <... prctl resumed>) = 0 [pid 5352] write(3, "1000", 4 [pid 5351] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5355 [pid 5352] <... write resumed>) = 4 [pid 5351] <... openat resumed>) = 3 [pid 5010] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5355] <... chdir resumed>) = 0 [pid 5354] setpgid(0, 0 [pid 5352] close(3 [pid 5351] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5354] <... setpgid resumed>) = 0 [pid 5352] <... close resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5355] <... prctl resumed>) = 0 [pid 5352] symlink("/dev/binderfs", "./binderfs" [pid 5351] <... mmap resumed>) = 0x20fff000 [pid 5010] <... openat resumed>) = 3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5355] setpgid(0, 0 [pid 5354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5351] exit_group(0 [pid 5010] fstat(3, [pid 5009] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5355] <... setpgid resumed>) = 0 [pid 5352] <... symlink resumed>) = 0 [pid 5351] <... exit_group resumed>) = ? [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] getdents64(3, [pid 5009] <... openat resumed>) = 3 [pid 5355] <... openat resumed>) = 3 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] fstat(3, [pid 5355] write(3, "1000", 4 [pid 5010] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5355] <... write resumed>) = 4 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] getdents64(3, [pid 5355] close(3 [pid 5352] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] lstat("./62/binderfs", [pid 5355] <... close resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5355] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5355] <... symlink resumed>) = 0 [pid 5354] <... openat resumed>) = 3 [pid 5352] <... openat resumed>) = 3 [pid 5351] +++ exited with 0 +++ [pid 5010] unlink("./62/binderfs" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5355] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] <... unlink resumed>) = 0 [pid 5009] lstat("./57/binderfs", [pid 5355] <... openat resumed>) = 3 [pid 5354] write(3, "1000", 4 [pid 5352] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] getdents64(3, [pid 5355] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5355] <... mmap resumed>) = 0x20fff000 [pid 5354] <... write resumed>) = 4 [pid 5352] <... mmap resumed>) = 0x20fff000 [pid 5010] close(3 [pid 5009] unlink("./57/binderfs" [pid 5007] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5355] exit_group(0 [pid 5354] close(3 [pid 5010] <... close resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5355] <... exit_group resumed>) = ? [pid 5354] <... close resumed>) = 0 [pid 5352] exit_group(0 [pid 5010] rmdir("./62" [pid 5009] <... unlink resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5355] +++ exited with 0 +++ [pid 5354] symlink("/dev/binderfs", "./binderfs" [pid 5352] <... exit_group resumed>) = ? [pid 5007] <... openat resumed>) = 3 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] fstat(3, [pid 5010] mkdir("./63", 0777 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] getdents64(3, 0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... mkdir resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] close(3 [pid 5007] lstat("./56/binderfs", [pid 5009] <... close resumed>) = 0 [pid 5008] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] unlink("./56/binderfs" [pid 5009] rmdir("./57" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... unlink resumed>) = 0 [pid 5007] getdents64(3, 0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] close(3) = 0 [pid 5007] rmdir("./56" [pid 5009] <... rmdir resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... rmdir resumed>) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5356 [pid 5009] mkdir("./58", 0777 [pid 5008] <... openat resumed>) = 3 [pid 5007] mkdir("./57", 0777 [pid 5354] <... symlink resumed>) = 0 [pid 5009] <... mkdir resumed>) = 0 [pid 5008] fstat(3, [pid 5007] <... mkdir resumed>) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5354] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] getdents64(3, ./strace-static-x86_64: Process 5356 attached [pid 5352] +++ exited with 0 +++ [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5358 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5357 [pid 5356] chdir("./63" [pid 5354] <... openat resumed>) = 3 [pid 5008] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5352, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5356] <... chdir resumed>) = 0 [pid 5354] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5358 attached [pid 5356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] lstat("./57/binderfs", [pid 5005] <... restart_syscall resumed>) = 0 [pid 5356] <... prctl resumed>) = 0 [pid 5356] setpgid(0, 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5354] <... mmap resumed>) = 0x20fff000 [pid 5356] <... setpgid resumed>) = 0 [pid 5008] unlink("./57/binderfs" [pid 5005] umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5357 attached [pid 5356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5354] exit_group(0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5358] chdir("./58" [pid 5357] chdir("./57" [pid 5356] <... openat resumed>) = 3 [pid 5354] <... exit_group resumed>) = ? [pid 5008] <... unlink resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5357] <... chdir resumed>) = 0 [pid 5356] write(3, "1000", 4 [pid 5008] getdents64(3, [pid 5005] <... openat resumed>) = 3 [pid 5357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5356] <... write resumed>) = 4 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] fstat(3, [pid 5357] <... prctl resumed>) = 0 [pid 5356] close(3 [pid 5008] close(3 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5357] setpgid(0, 0 [pid 5356] <... close resumed>) = 0 [pid 5008] <... close resumed>) = 0 [pid 5005] getdents64(3, [pid 5354] +++ exited with 0 +++ [pid 5357] <... setpgid resumed>) = 0 [pid 5356] symlink("/dev/binderfs", "./binderfs" [pid 5008] rmdir("./57" [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5354, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5358] <... chdir resumed>) = 0 [pid 5357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5356] <... symlink resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5005] umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5357] <... openat resumed>) = 3 [pid 5356] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5008] mkdir("./58", 0777 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5358] <... prctl resumed>) = 0 [pid 5357] write(3, "1000", 4 [pid 5356] <... openat resumed>) = 3 [pid 5008] <... mkdir resumed>) = 0 [pid 5005] lstat("./52/binderfs", [pid 5358] setpgid(0, 0 [pid 5357] <... write resumed>) = 4 [pid 5356] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5358] <... setpgid resumed>) = 0 [pid 5357] close(3 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5356] <... mmap resumed>) = 0x20fff000 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] unlink("./52/binderfs" [pid 5356] exit_group(0 [pid 5006] <... openat resumed>) = 3 [pid 5356] <... exit_group resumed>) = ? [pid 5006] fstat(3, [pid 5005] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5359 attached [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, [pid 5006] getdents64(3, [pid 5357] <... close resumed>) = 0 [pid 5356] +++ exited with 0 +++ [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5359 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5357] symlink("/dev/binderfs", "./binderfs" [pid 5006] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] close(3 [pid 5358] <... openat resumed>) = 3 [pid 5357] <... symlink resumed>) = 0 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5356, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5358] write(3, "1000", 4 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5006] lstat("./55/binderfs", [pid 5005] <... close resumed>) = 0 [pid 5359] chdir("./58" [pid 5358] <... write resumed>) = 4 [pid 5357] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... restart_syscall resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] rmdir("./52" [pid 5359] <... chdir resumed>) = 0 [pid 5358] close(3 [pid 5357] <... openat resumed>) = 3 [pid 5006] unlink("./55/binderfs" [pid 5359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5358] <... close resumed>) = 0 [pid 5357] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5359] <... prctl resumed>) = 0 [pid 5358] symlink("/dev/binderfs", "./binderfs" [pid 5357] <... mmap resumed>) = 0x20fff000 [pid 5010] umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... unlink resumed>) = 0 [pid 5005] mkdir("./53", 0777 [pid 5359] setpgid(0, 0 [pid 5358] <... symlink resumed>) = 0 [pid 5357] exit_group(0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] getdents64(3, [pid 5359] <... setpgid resumed>) = 0 [pid 5358] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5357] <... exit_group resumed>) = ? [pid 5010] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... openat resumed>) = 3 [pid 5006] close(3 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5359] <... openat resumed>) = 3 [pid 5010] fstat(3, [pid 5006] <... close resumed>) = 0 [pid 5359] write(3, "1000", 4) = 4 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5358] <... openat resumed>) = 3 [pid 5006] rmdir("./55"./strace-static-x86_64: Process 5360 attached [pid 5359] close(3 [pid 5358] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5357] +++ exited with 0 +++ [pid 5010] getdents64(3, [pid 5359] <... close resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5357, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] <... rmdir resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5360 [pid 5359] symlink("/dev/binderfs", "./binderfs" [pid 5358] <... mmap resumed>) = 0x20fff000 [pid 5010] umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] mkdir("./56", 0777 [pid 5360] chdir("./53" [pid 5359] <... symlink resumed>) = 0 [pid 5358] exit_group(0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5359] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] lstat("./63/binderfs", [pid 5006] <... mkdir resumed>) = 0 [pid 5359] <... openat resumed>) = 3 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5360] <... chdir resumed>) = 0 [pid 5359] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5358] <... exit_group resumed>) = ? [pid 5010] unlink("./63/binderfs" [pid 5359] <... mmap resumed>) = 0x20fff000 [pid 5007] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5359] exit_group(0 [pid 5010] <... unlink resumed>) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5361 [pid 5359] <... exit_group resumed>) = ? [pid 5010] getdents64(3, [pid 5007] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5359] +++ exited with 0 +++ [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5358] +++ exited with 0 +++ [pid 5007] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5361 attached [pid 5360] <... prctl resumed>) = 0 [pid 5010] close(3 [pid 5007] fstat(3, [pid 5361] chdir("./56" [pid 5360] setpgid(0, 0 [pid 5010] <... close resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5361] <... chdir resumed>) = 0 [pid 5360] <... setpgid resumed>) = 0 [pid 5010] rmdir("./63" [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5007] getdents64(3, [pid 5361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5361] <... prctl resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... restart_syscall resumed>) = 0 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5007] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5361] setpgid(0, 0 [pid 5010] mkdir("./64", 0777 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5361] <... setpgid resumed>) = 0 [pid 5360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] lstat("./57/binderfs", [pid 5361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... mkdir resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5361] <... openat resumed>) = 3 [pid 5360] <... openat resumed>) = 3 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] unlink("./57/binderfs" [pid 5008] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5361] write(3, "1000", 4 [pid 5007] <... unlink resumed>) = 0 [pid 5361] <... write resumed>) = 4 [pid 5007] getdents64(3, [pid 5361] close(3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5361] <... close resumed>) = 0 [pid 5360] write(3, "1000", 4 [pid 5009] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] close(3 [pid 5361] symlink("/dev/binderfs", "./binderfs" [pid 5360] <... write resumed>) = 4 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5362 [pid 5009] <... openat resumed>) = 3 [pid 5007] <... close resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5361] <... symlink resumed>) = 0 [pid 5360] close(3 [pid 5009] fstat(3, [pid 5007] rmdir("./57"./strace-static-x86_64: Process 5362 attached [pid 5361] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5360] <... close resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5007] <... rmdir resumed>) = 0 [pid 5361] <... openat resumed>) = 3 [pid 5360] symlink("/dev/binderfs", "./binderfs" [pid 5009] getdents64(3, [pid 5008] fstat(3, [pid 5007] mkdir("./58", 0777 [pid 5361] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5360] <... symlink resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5362] chdir("./64" [pid 5361] <... mmap resumed>) = 0x20fff000 [pid 5360] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] getdents64(3, [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5363 attached [pid 5362] <... chdir resumed>) = 0 [pid 5361] exit_group(0 [pid 5360] <... openat resumed>) = 3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5361] <... exit_group resumed>) = ? [pid 5360] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] lstat("./58/binderfs", [pid 5008] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5363 [pid 5363] chdir("./58" [pid 5362] <... prctl resumed>) = 0 [pid 5361] +++ exited with 0 +++ [pid 5362] setpgid(0, 0) = 0 [pid 5360] <... mmap resumed>) = 0x20fff000 [pid 5362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5360] exit_group(0 [pid 5009] unlink("./58/binderfs" [pid 5008] lstat("./58/binderfs", [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5363] <... chdir resumed>) = 0 [pid 5362] <... openat resumed>) = 3 [pid 5360] <... exit_group resumed>) = ? [pid 5362] write(3, "1000", 4 [pid 5009] <... unlink resumed>) = 0 [pid 5362] <... write resumed>) = 4 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5362] close(3) = 0 [pid 5362] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5362] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5362] <... openat resumed>) = 3 [pid 5360] +++ exited with 0 +++ [pid 5009] getdents64(3, [pid 5008] unlink("./58/binderfs" [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5362] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5363] <... prctl resumed>) = 0 [pid 5362] <... mmap resumed>) = 0x20fff000 [pid 5009] close(3 [pid 5008] <... unlink resumed>) = 0 [pid 5006] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5363] setpgid(0, 0 [pid 5362] exit_group(0 [pid 5009] <... close resumed>) = 0 [pid 5008] getdents64(3, [pid 5362] <... exit_group resumed>) = ? [pid 5009] rmdir("./58" [pid 5006] <... openat resumed>) = 3 [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5363] <... setpgid resumed>) = 0 [pid 5362] +++ exited with 0 +++ [pid 5009] <... rmdir resumed>) = 0 [pid 5006] fstat(3, [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] mkdir("./59", 0777 [pid 5008] close(3 [pid 5010] umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... mkdir resumed>) = 0 [pid 5006] getdents64(3, [pid 5010] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... close resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... openat resumed>) = 3 [pid 5008] rmdir("./58" [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] fstat(3, [pid 5008] <... rmdir resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] mkdir("./59", 0777 [pid 5006] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] fstat(3, [pid 5010] getdents64(3, [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5010] umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... mkdir resumed>) = 0 [pid 5006] lstat("./56/binderfs", ./strace-static-x86_64: Process 5364 attached [pid 5363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] getdents64(3, [pid 5010] lstat("./64/binderfs", [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5364 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./56/binderfs" [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5363] <... openat resumed>) = 3 [pid 5010] unlink("./64/binderfs" [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5365 [pid 5006] <... unlink resumed>) = 0 [pid 5005] umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5364] chdir("./59" [pid 5363] write(3, "1000", 4 [pid 5010] <... unlink resumed>) = 0 [pid 5006] getdents64(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5365 attached [pid 5364] <... chdir resumed>) = 0 [pid 5363] <... write resumed>) = 4 [pid 5010] getdents64(3, [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] lstat("./53/binderfs", [pid 5365] chdir("./59" [pid 5364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5363] close(3 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] close(3 [pid 5365] <... chdir resumed>) = 0 [pid 5363] <... close resumed>) = 0 [pid 5010] close(3 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5363] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... close resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5005] unlink("./53/binderfs" [pid 5365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] rmdir("./64" [pid 5006] rmdir("./56" [pid 5365] <... prctl resumed>) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5365] setpgid(0, 0) = 0 [pid 5365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... rmdir resumed>) = 0 [pid 5365] <... openat resumed>) = 3 [pid 5363] <... symlink resumed>) = 0 [pid 5010] mkdir("./65", 0777 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] getdents64(3, [pid 5365] write(3, "1000", 4) = 4 [pid 5365] close(3 [pid 5010] <... mkdir resumed>) = 0 [pid 5365] <... close resumed>) = 0 [pid 5363] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] mkdir("./57", 0777 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5365] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5365] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5006] <... mkdir resumed>) = 0 [pid 5005] close(3 [pid 5364] <... prctl resumed>) = 0 [pid 5364] setpgid(0, 0 [pid 5005] <... close resumed>) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] rmdir("./53" [pid 5364] <... setpgid resumed>) = 0 [pid 5364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5364] write(3, "1000", 4) = 4 [pid 5364] close(3) = 0 [pid 5364] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... rmdir resumed>) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5366 [pid 5005] mkdir("./54", 0777 [pid 5364] <... symlink resumed>) = 0 [pid 5364] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5367 [pid 5005] <... mkdir resumed>) = 0 [pid 5365] <... openat resumed>) = 3 [pid 5364] <... openat resumed>) = 3 [pid 5363] <... openat resumed>) = 3 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5365] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5364] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5363] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5365] <... mmap resumed>) = 0x20fff000 [pid 5364] <... mmap resumed>) = 0x20fff000 ./strace-static-x86_64: Process 5367 attached [pid 5365] exit_group(0 [pid 5363] <... mmap resumed>) = 0x20fff000 [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5368 ./strace-static-x86_64: Process 5368 attached ./strace-static-x86_64: Process 5366 attached [pid 5367] chdir("./65" [pid 5365] <... exit_group resumed>) = ? [pid 5364] exit_group(0 [pid 5368] chdir("./54" [pid 5367] <... chdir resumed>) = 0 [pid 5366] chdir("./57" [pid 5365] +++ exited with 0 +++ [pid 5364] <... exit_group resumed>) = ? [pid 5363] exit_group(0 [pid 5368] <... chdir resumed>) = 0 [pid 5367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5366] <... chdir resumed>) = 0 [pid 5364] +++ exited with 0 +++ [pid 5363] <... exit_group resumed>) = ? [pid 5367] <... prctl resumed>) = 0 [pid 5367] setpgid(0, 0) = 0 [pid 5367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5364, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5367] write(3, "1000", 4 [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5008] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5367] <... write resumed>) = 4 [pid 5363] +++ exited with 0 +++ [pid 5009] <... restart_syscall resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5367] close(3 [pid 5366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5367] <... close resumed>) = 0 [pid 5367] symlink("/dev/binderfs", "./binderfs" [pid 5009] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5366] <... prctl resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5367] <... symlink resumed>) = 0 [pid 5366] setpgid(0, 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] fstat(3, [pid 5368] <... prctl resumed>) = 0 [pid 5367] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5366] <... setpgid resumed>) = 0 [pid 5368] setpgid(0, 0 [pid 5367] <... openat resumed>) = 3 [pid 5009] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5368] <... setpgid resumed>) = 0 [pid 5367] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... openat resumed>) = 3 [pid 5008] getdents64(3, [pid 5368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5367] <... mmap resumed>) = 0x20fff000 [pid 5009] fstat(3, [pid 5007] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5368] <... openat resumed>) = 3 [pid 5367] exit_group(0 [pid 5366] <... openat resumed>) = 3 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5368] write(3, "1000", 4 [pid 5367] <... exit_group resumed>) = ? [pid 5366] write(3, "1000", 4 [pid 5009] getdents64(3, [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5368] <... write resumed>) = 4 [pid 5367] +++ exited with 0 +++ [pid 5366] <... write resumed>) = 4 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] lstat("./59/binderfs", [pid 5007] <... openat resumed>) = 3 [pid 5368] close(3 [pid 5366] close(3 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] fstat(3, [pid 5368] <... close resumed>) = 0 [pid 5366] <... close resumed>) = 0 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] unlink("./59/binderfs" [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5368] symlink("/dev/binderfs", "./binderfs" [pid 5366] symlink("/dev/binderfs", "./binderfs" [pid 5009] lstat("./59/binderfs", [pid 5007] getdents64(3, [pid 5010] umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... unlink resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5366] <... symlink resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] getdents64(3, [pid 5007] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5366] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] unlink("./59/binderfs" [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... openat resumed>) = 3 [pid 5007] lstat("./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5010] fstat(3, [pid 5009] <... unlink resumed>) = 0 [pid 5008] close(3 [pid 5007] unlink("./58/binderfs" [pid 5368] <... symlink resumed>) = 0 [pid 5366] <... openat resumed>) = 3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] getdents64(3, [pid 5008] <... close resumed>) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5010] getdents64(3, [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] rmdir("./59" [pid 5007] getdents64(3, [pid 5366] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5368] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] close(3 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] close(3 [pid 5008] <... rmdir resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5010] umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] mkdir("./60", 0777 [pid 5009] rmdir("./59" [pid 5007] rmdir("./58" [pid 5009] <... rmdir resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] mkdir("./59", 0777 [pid 5010] lstat("./65/binderfs", [pid 5009] mkdir("./60", 0777 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5368] <... openat resumed>) = 3 [pid 5366] <... mmap resumed>) = 0x20fff000 [pid 5010] unlink("./65/binderfs" [pid 5009] <... mkdir resumed>) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5368] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5369 [pid 5010] <... unlink resumed>) = 0 [pid 5010] getdents64(3, [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5369 attached [pid 5010] close(3 [pid 5366] exit_group(0 [pid 5010] <... close resumed>) = 0 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5371 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5370 [pid 5366] <... exit_group resumed>) = ? [pid 5010] rmdir("./65" [pid 5369] chdir("./59" [pid 5010] <... rmdir resumed>) = 0 [pid 5010] mkdir("./66", 0777) = 0 [pid 5368] <... mmap resumed>) = 0x20fff000 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5369] <... chdir resumed>) = 0 [pid 5369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5372 [pid 5369] setpgid(0, 0 [pid 5368] exit_group(0./strace-static-x86_64: Process 5372 attached ./strace-static-x86_64: Process 5370 attached ./strace-static-x86_64: Process 5371 attached [pid 5369] <... setpgid resumed>) = 0 [pid 5368] <... exit_group resumed>) = ? [pid 5366] +++ exited with 0 +++ [pid 5369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5369] <... openat resumed>) = 3 [pid 5369] write(3, "1000", 4 [pid 5006] umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5369] <... write resumed>) = 4 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5369] close(3) = 0 [pid 5368] +++ exited with 0 +++ [pid 5006] <... openat resumed>) = 3 [pid 5369] symlink("/dev/binderfs", "./binderfs" [pid 5006] fstat(3, [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5372] chdir("./66" [pid 5369] <... symlink resumed>) = 0 [pid 5372] <... chdir resumed>) = 0 [pid 5369] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5371] chdir("./60" [pid 5370] chdir("./60" [pid 5369] <... openat resumed>) = 3 [pid 5006] getdents64(3, [pid 5005] <... restart_syscall resumed>) = 0 [pid 5372] <... prctl resumed>) = 0 [pid 5369] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5372] setpgid(0, 0 [pid 5371] <... chdir resumed>) = 0 [pid 5369] <... mmap resumed>) = 0x20fff000 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5372] <... setpgid resumed>) = 0 [pid 5371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5369] exit_group(0 [pid 5006] umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5369] <... exit_group resumed>) = ? [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5371] <... prctl resumed>) = 0 [pid 5370] <... chdir resumed>) = 0 [pid 5006] lstat("./57/binderfs", [pid 5005] umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5372] <... openat resumed>) = 3 [pid 5371] setpgid(0, 0 [pid 5370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5369] +++ exited with 0 +++ [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5372] write(3, "1000", 4 [pid 5371] <... setpgid resumed>) = 0 [pid 5370] <... prctl resumed>) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5369, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5006] unlink("./57/binderfs" [pid 5005] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... unlink resumed>) = 0 [pid 5372] <... write resumed>) = 4 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] getdents64(3, [pid 5005] <... openat resumed>) = 3 [pid 5372] close(3 [pid 5371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5370] setpgid(0, 0 [pid 5007] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5005] fstat(3, [pid 5372] <... close resumed>) = 0 [pid 5007] <... openat resumed>) = 3 [pid 5006] close(3 [pid 5372] symlink("/dev/binderfs", "./binderfs" [pid 5371] <... openat resumed>) = 3 [pid 5370] <... setpgid resumed>) = 0 [pid 5007] fstat(3, [pid 5006] <... close resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5372] <... symlink resumed>) = 0 [pid 5371] write(3, "1000", 4 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] rmdir("./57" [pid 5005] getdents64(3, [pid 5372] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5371] <... write resumed>) = 4 [pid 5370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] getdents64(3, [pid 5371] close(3 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5372] <... openat resumed>) = 3 [pid 5371] <... close resumed>) = 0 [pid 5370] <... openat resumed>) = 3 [pid 5007] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] mkdir("./58", 0777 [pid 5005] umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5372] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5371] symlink("/dev/binderfs", "./binderfs" [pid 5370] write(3, "1000", 4 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] lstat("./59/binderfs", [pid 5006] <... mkdir resumed>) = 0 [pid 5371] <... symlink resumed>) = 0 [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5371] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5007] unlink("./59/binderfs") = 0 [pid 5005] lstat("./54/binderfs", [pid 5371] <... openat resumed>) = 3 [pid 5370] <... write resumed>) = 4 [pid 5007] getdents64(3, [pid 5372] <... mmap resumed>) = 0x20fff000 [pid 5371] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5370] close(3 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5373 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] close(3 [pid 5005] unlink("./54/binderfs" [pid 5370] <... close resumed>) = 0 [pid 5372] exit_group(0 [pid 5371] <... mmap resumed>) = 0x20fff000 [pid 5007] <... close resumed>) = 0 [pid 5372] <... exit_group resumed>) = ? [pid 5370] symlink("/dev/binderfs", "./binderfs" [pid 5007] rmdir("./59" [pid 5371] exit_group(0 [pid 5005] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5373 attached [pid 5372] +++ exited with 0 +++ [pid 5371] <... exit_group resumed>) = ? [pid 5370] <... symlink resumed>) = 0 [pid 5007] <... rmdir resumed>) = 0 [pid 5005] getdents64(3, [pid 5373] chdir("./58" [pid 5370] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] mkdir("./60", 0777 [pid 5373] <... chdir resumed>) = 0 [pid 5371] +++ exited with 0 +++ [pid 5370] <... openat resumed>) = 3 [pid 5007] <... mkdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5370] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] close(3./strace-static-x86_64: Process 5374 attached [pid 5373] <... prctl resumed>) = 0 [pid 5370] <... mmap resumed>) = 0x20fff000 [pid 5010] umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... close resumed>) = 0 [pid 5374] chdir("./60" [pid 5373] setpgid(0, 0 [pid 5370] exit_group(0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5374 [pid 5005] rmdir("./54" [pid 5374] <... chdir resumed>) = 0 [pid 5373] <... setpgid resumed>) = 0 [pid 5370] <... exit_group resumed>) = ? [pid 5010] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... openat resumed>) = 3 [pid 5005] <... rmdir resumed>) = 0 [pid 5373] <... openat resumed>) = 3 [pid 5010] fstat(3, [pid 5009] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] mkdir("./55", 0777 [pid 5374] <... prctl resumed>) = 0 [pid 5373] write(3, "1000", 4 [pid 5370] +++ exited with 0 +++ [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... openat resumed>) = 3 [pid 5374] setpgid(0, 0 [pid 5373] <... write resumed>) = 4 [pid 5010] getdents64(3, [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5370, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] fstat(3, [pid 5005] <... mkdir resumed>) = 0 [pid 5374] <... setpgid resumed>) = 0 [pid 5373] close(3 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5373] <... close resumed>) = 0 [pid 5010] umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] getdents64(3, [pid 5373] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5374] <... openat resumed>) = 3 [pid 5373] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] lstat("./66/binderfs", [pid 5009] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5375 [pid 5374] write(3, "1000", 4 [pid 5373] <... openat resumed>) = 3 [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5374] <... write resumed>) = 4 [pid 5373] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] unlink("./66/binderfs" [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5375 attached [pid 5374] close(3 [pid 5373] <... mmap resumed>) = 0x20fff000 [pid 5374] <... close resumed>) = 0 [pid 5373] exit_group(0 [pid 5010] <... unlink resumed>) = 0 [pid 5009] lstat("./60/binderfs", [pid 5008] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5375] chdir("./55" [pid 5374] symlink("/dev/binderfs", "./binderfs" [pid 5373] <... exit_group resumed>) = ? [pid 5010] getdents64(3, [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5375] <... chdir resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] unlink("./60/binderfs" [pid 5010] close(3 [pid 5008] <... openat resumed>) = 3 [pid 5010] <... close resumed>) = 0 [pid 5009] <... unlink resumed>) = 0 [pid 5008] fstat(3, [pid 5373] +++ exited with 0 +++ [pid 5010] rmdir("./66" [pid 5009] getdents64(3, [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5374] <... symlink resumed>) = 0 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] getdents64(3, [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5010] mkdir("./67", 0777 [pid 5009] close(3 [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5375] <... prctl resumed>) = 0 [pid 5374] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... mkdir resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5008] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5375] setpgid(0, 0 [pid 5374] <... openat resumed>) = 3 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] rmdir("./60" [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5375] <... setpgid resumed>) = 0 [pid 5008] lstat("./60/binderfs", [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] <... rmdir resumed>) = 0 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] unlink("./60/binderfs" [pid 5009] mkdir("./61", 0777 [pid 5006] <... openat resumed>) = 3 [pid 5008] <... unlink resumed>) = 0 [pid 5375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5374] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5376 [pid 5009] <... mkdir resumed>) = 0 [pid 5008] getdents64(3, [pid 5006] fstat(3, [pid 5375] <... openat resumed>) = 3 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5376 attached [pid 5008] close(3 [pid 5006] getdents64(3, [pid 5008] <... close resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 ./strace-static-x86_64: Process 5377 attached [pid 5375] write(3, "1000", 4 [pid 5374] <... mmap resumed>) = 0x20fff000 [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5377 [pid 5008] rmdir("./60" [pid 5006] umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5375] <... write resumed>) = 4 [pid 5374] exit_group(0 [pid 5008] <... rmdir resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5377] chdir("./61" [pid 5376] chdir("./67" [pid 5375] close(3 [pid 5374] <... exit_group resumed>) = ? [pid 5008] mkdir("./61", 0777 [pid 5006] lstat("./58/binderfs", [pid 5377] <... chdir resumed>) = 0 [pid 5376] <... chdir resumed>) = 0 [pid 5375] <... close resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5375] symlink("/dev/binderfs", "./binderfs" [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5376] <... prctl resumed>) = 0 [pid 5375] <... symlink resumed>) = 0 [pid 5376] setpgid(0, 0 [pid 5006] unlink("./58/binderfs" [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5378 [pid 5376] <... setpgid resumed>) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5375] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5374] +++ exited with 0 +++ [pid 5006] getdents64(3, [pid 5376] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5378 attached [pid 5376] write(3, "1000", 4 [pid 5375] <... openat resumed>) = 3 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5378] chdir("./61" [pid 5377] <... prctl resumed>) = 0 [pid 5376] <... write resumed>) = 4 [pid 5375] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] close(3 [pid 5378] <... chdir resumed>) = 0 [pid 5376] close(3 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... close resumed>) = 0 [pid 5378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5376] <... close resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] rmdir("./58" [pid 5378] <... prctl resumed>) = 0 [pid 5377] setpgid(0, 0 [pid 5376] symlink("/dev/binderfs", "./binderfs" [pid 5375] <... mmap resumed>) = 0x20fff000 [pid 5007] <... openat resumed>) = 3 [pid 5378] setpgid(0, 0 [pid 5377] <... setpgid resumed>) = 0 [pid 5376] <... symlink resumed>) = 0 [pid 5007] fstat(3, [pid 5006] <... rmdir resumed>) = 0 [pid 5378] <... setpgid resumed>) = 0 [pid 5376] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5375] exit_group(0 [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] mkdir("./59", 0777 [pid 5378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5376] <... openat resumed>) = 3 [pid 5375] <... exit_group resumed>) = ? [pid 5007] getdents64(3, [pid 5378] <... openat resumed>) = 3 [pid 5376] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] <... mkdir resumed>) = 0 [pid 5378] write(3, "1000", 4 [pid 5376] <... mmap resumed>) = 0x20fff000 [pid 5007] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5375] +++ exited with 0 +++ [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5378] <... write resumed>) = 4 [pid 5377] <... openat resumed>) = 3 [pid 5376] exit_group(0 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5378] close(3 [pid 5376] <... exit_group resumed>) = ? [pid 5007] lstat("./60/binderfs", ./strace-static-x86_64: Process 5379 attached [pid 5378] <... close resumed>) = 0 [pid 5377] write(3, "1000", 4 [pid 5376] +++ exited with 0 +++ [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5375, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5378] symlink("/dev/binderfs", "./binderfs" [pid 5377] <... write resumed>) = 4 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] unlink("./60/binderfs" [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5379 [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5379] chdir("./59" [pid 5378] <... symlink resumed>) = 0 [pid 5377] close(3 [pid 5007] <... unlink resumed>) = 0 [pid 5005] <... restart_syscall resumed>) = 0 [pid 5379] <... chdir resumed>) = 0 [pid 5378] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5007] getdents64(3, [pid 5379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5378] <... openat resumed>) = 3 [pid 5377] <... close resumed>) = 0 [pid 5010] umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5379] <... prctl resumed>) = 0 [pid 5378] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5377] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] close(3 [pid 5379] setpgid(0, 0 [pid 5378] <... mmap resumed>) = 0x20fff000 [pid 5007] <... close resumed>) = 0 [pid 5379] <... setpgid resumed>) = 0 [pid 5378] exit_group(0 [pid 5377] <... symlink resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] rmdir("./60" [pid 5005] umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5378] <... exit_group resumed>) = ? [pid 5377] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... openat resumed>) = 3 [pid 5007] <... rmdir resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5379] <... openat resumed>) = 3 [pid 5378] +++ exited with 0 +++ [pid 5010] fstat(3, [pid 5007] mkdir("./61", 0777 [pid 5379] write(3, "1000", 4 [pid 5377] <... openat resumed>) = 3 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5010] getdents64(3, [pid 5007] <... mkdir resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5377] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5005] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5380 attached [pid 5379] <... write resumed>) = 4 [pid 5010] umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5380 [pid 5379] close(3 [pid 5377] <... mmap resumed>) = 0x20fff000 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(3, [pid 5379] <... close resumed>) = 0 [pid 5377] exit_group(0 [pid 5010] lstat("./67/binderfs", [pid 5380] chdir("./61" [pid 5379] symlink("/dev/binderfs", "./binderfs" [pid 5377] <... exit_group resumed>) = ? [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5380] <... chdir resumed>) = 0 [pid 5379] <... symlink resumed>) = 0 [pid 5010] unlink("./67/binderfs" [pid 5008] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] getdents64(3, [pid 5377] +++ exited with 0 +++ [pid 5380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5379] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... unlink resumed>) = 0 [pid 5008] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5380] <... prctl resumed>) = 0 [pid 5379] <... openat resumed>) = 3 [pid 5010] getdents64(3, [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5008] <... openat resumed>) = 3 [pid 5005] umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5380] setpgid(0, 0 [pid 5379] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5009] restart_syscall(<... resuming interrupted clone ...> [pid 5008] fstat(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5380] <... setpgid resumed>) = 0 [pid 5379] <... mmap resumed>) = 0x20fff000 [pid 5010] close(3 [pid 5009] <... restart_syscall resumed>) = 0 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] lstat("./55/binderfs", [pid 5380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5379] exit_group(0 [pid 5010] <... close resumed>) = 0 [pid 5008] getdents64(3, [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5380] <... openat resumed>) = 3 [pid 5379] <... exit_group resumed>) = ? [pid 5010] rmdir("./67" [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] unlink("./55/binderfs" [pid 5380] write(3, "1000", 4 [pid 5010] <... rmdir resumed>) = 0 [pid 5009] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... unlink resumed>) = 0 [pid 5379] +++ exited with 0 +++ [pid 5010] mkdir("./68", 0777 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] getdents64(3, [pid 5380] <... write resumed>) = 4 [pid 5010] <... mkdir resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] lstat("./61/binderfs", [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5380] close(3 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] <... openat resumed>) = 3 [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] close(3 [pid 5380] <... close resumed>) = 0 [pid 5009] fstat(3, [pid 5005] <... close resumed>) = 0 [pid 5380] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] rmdir("./55"./strace-static-x86_64: Process 5381 attached [pid 5380] <... symlink resumed>) = 0 [pid 5009] getdents64(3, [pid 5008] unlink("./61/binderfs" [pid 5006] umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5381] chdir("./68" [pid 5380] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5381 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] <... rmdir resumed>) = 0 [pid 5381] <... chdir resumed>) = 0 [pid 5009] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... unlink resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5380] <... openat resumed>) = 3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] getdents64(3, [pid 5006] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] mkdir("./56", 0777 [pid 5381] <... prctl resumed>) = 0 [pid 5380] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] lstat("./61/binderfs", [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] <... openat resumed>) = 3 [pid 5381] setpgid(0, 0 [pid 5008] close(3 [pid 5006] fstat(3, [pid 5381] <... setpgid resumed>) = 0 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] <... close resumed>) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] unlink("./61/binderfs" [pid 5008] rmdir("./61" [pid 5006] getdents64(3, [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5381] <... openat resumed>) = 3 [pid 5380] <... mmap resumed>) = 0x20fff000 [pid 5009] <... unlink resumed>) = 0 [pid 5008] <... rmdir resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5381] write(3, "1000", 4 [pid 5008] mkdir("./62", 0777 [pid 5006] umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5381] <... write resumed>) = 4 [pid 5380] exit_group(0 [pid 5009] getdents64(3, [pid 5008] <... mkdir resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5381] close(3 [pid 5380] <... exit_group resumed>) = ? [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] lstat("./59/binderfs", [pid 5005] <... clone resumed>, child_tidptr=0x5555564665d0) = 5382 [pid 5381] <... close resumed>) = 0 [pid 5009] close(3 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5381] symlink("/dev/binderfs", "./binderfs" [pid 5009] <... close resumed>) = 0 [pid 5008] <... clone resumed>, child_tidptr=0x5555564665d0) = 5383 [pid 5006] unlink("./59/binderfs"./strace-static-x86_64: Process 5382 attached [pid 5381] <... symlink resumed>) = 0 [pid 5380] +++ exited with 0 +++ [pid 5009] rmdir("./61" [pid 5006] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5383 attached [pid 5381] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5006] getdents64(3, [pid 5382] chdir("./56" [pid 5381] <... openat resumed>) = 3 [pid 5009] <... rmdir resumed>) = 0 [pid 5007] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5382] <... chdir resumed>) = 0 [pid 5381] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] mkdir("./62", 0777 [pid 5006] close(3 [pid 5383] chdir("./62" [pid 5382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5381] <... mmap resumed>) = 0x20fff000 [pid 5006] <... close resumed>) = 0 [pid 5382] <... prctl resumed>) = 0 [pid 5381] exit_group(0 [pid 5009] <... mkdir resumed>) = 0 [pid 5006] rmdir("./59" [pid 5382] setpgid(0, 0 [pid 5381] <... exit_group resumed>) = ? [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5383] <... chdir resumed>) = 0 [pid 5006] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5384 attached [pid 5383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5382] <... setpgid resumed>) = 0 [pid 5381] +++ exited with 0 +++ [pid 5006] mkdir("./60", 0777 [pid 5384] chdir("./62" [pid 5383] <... prctl resumed>) = 0 [pid 5382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... clone resumed>, child_tidptr=0x5555564665d0) = 5384 [pid 5383] setpgid(0, 0 [pid 5382] <... openat resumed>) = 3 [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... mkdir resumed>) = 0 [pid 5384] <... chdir resumed>) = 0 [pid 5383] <... setpgid resumed>) = 0 [pid 5382] write(3, "1000", 4 [pid 5010] restart_syscall(<... resuming interrupted clone ...> [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5382] <... write resumed>) = 4 [pid 5010] <... restart_syscall resumed>) = 0 [pid 5007] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5385 attached [pid 5384] <... prctl resumed>) = 0 [pid 5383] <... openat resumed>) = 3 [pid 5382] close(3 [pid 5007] <... openat resumed>) = 3 [pid 5384] setpgid(0, 0 [pid 5383] write(3, "1000", 4 [pid 5382] <... close resumed>) = 0 [pid 5007] fstat(3, [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5385 [pid 5384] <... setpgid resumed>) = 0 [pid 5383] <... write resumed>) = 4 [pid 5382] symlink("/dev/binderfs", "./binderfs" [pid 5010] umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5383] close(3 [pid 5382] <... symlink resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] getdents64(3, [pid 5385] chdir("./60" [pid 5383] <... close resumed>) = 0 [pid 5382] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5384] <... openat resumed>) = 3 [pid 5385] <... chdir resumed>) = 0 [pid 5384] write(3, "1000", 4 [pid 5383] symlink("/dev/binderfs", "./binderfs" [pid 5382] <... openat resumed>) = 3 [pid 5010] <... openat resumed>) = 3 [pid 5007] umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] fstat(3, [pid 5385] <... prctl resumed>) = 0 [pid 5383] <... symlink resumed>) = 0 [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5382] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5384] <... write resumed>) = 4 [pid 5007] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5385] setpgid(0, 0 [pid 5383] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5010] getdents64(3, [pid 5385] <... setpgid resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5384] close(3 [pid 5383] <... openat resumed>) = 3 [pid 5382] <... mmap resumed>) = 0x20fff000 [pid 5010] umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] lstat("./61/binderfs", [pid 5385] <... openat resumed>) = 3 [pid 5382] exit_group(0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5385] write(3, "1000", 4 [pid 5384] <... close resumed>) = 0 [pid 5383] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5382] <... exit_group resumed>) = ? [pid 5010] lstat("./68/binderfs", [pid 5007] unlink("./61/binderfs" [pid 5385] <... write resumed>) = 4 [pid 5384] symlink("/dev/binderfs", "./binderfs" [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5385] close(3 [pid 5010] unlink("./68/binderfs" [pid 5385] <... close resumed>) = 0 [pid 5010] <... unlink resumed>) = 0 [pid 5385] symlink("/dev/binderfs", "./binderfs" [pid 5010] getdents64(3, [pid 5385] <... symlink resumed>) = 0 [pid 5382] +++ exited with 0 +++ [pid 5010] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5007] <... unlink resumed>) = 0 [pid 5385] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5383] <... mmap resumed>) = 0x20fff000 [pid 5010] close(3 [pid 5007] getdents64(3, [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5385] <... openat resumed>) = 3 [pid 5384] <... symlink resumed>) = 0 [pid 5010] <... close resumed>) = 0 [pid 5007] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5383] exit_group(0 [pid 5385] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5384] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5383] <... exit_group resumed>) = ? [pid 5010] rmdir("./68" [pid 5007] close(3 [pid 5385] <... mmap resumed>) = 0x20fff000 [pid 5384] <... openat resumed>) = 3 [pid 5010] <... rmdir resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5385] exit_group(0 [pid 5010] mkdir("./69", 0777 [pid 5007] rmdir("./61" [pid 5384] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5385] <... exit_group resumed>) = ? [pid 5383] +++ exited with 0 +++ [pid 5010] <... mkdir resumed>) = 0 [pid 5385] +++ exited with 0 +++ [pid 5384] <... mmap resumed>) = 0x20fff000 [pid 5010] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... rmdir resumed>) = 0 [pid 5384] exit_group(0 [pid 5008] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5383, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5007] mkdir("./62", 0777 [pid 5005] umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5386 attached [pid 5384] <... exit_group resumed>) = ? [pid 5008] restart_syscall(<... resuming interrupted clone ...> [pid 5007] <... mkdir resumed>) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5386] chdir("./69" [pid 5010] <... clone resumed>, child_tidptr=0x5555564665d0) = 5386 [pid 5008] <... restart_syscall resumed>) = 0 [pid 5007] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5386] <... chdir resumed>) = 0 [pid 5384] +++ exited with 0 +++ [pid 5005] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5006] umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5387 attached [pid 5386] <... prctl resumed>) = 0 [pid 5009] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5384, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5007] <... clone resumed>, child_tidptr=0x5555564665d0) = 5387 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... openat resumed>) = 3 [pid 5386] setpgid(0, 0 [pid 5008] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] fstat(3, [pid 5386] <... setpgid resumed>) = 0 [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... openat resumed>) = 3 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] fstat(3, [pid 5005] getdents64(3, [pid 5387] chdir("./62" [pid 5386] <... openat resumed>) = 3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] <... openat resumed>) = 3 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5387] <... chdir resumed>) = 0 [pid 5386] write(3, "1000", 4 [pid 5009] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5008] fstat(3, [pid 5006] getdents64(3, [pid 5005] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5386] <... write resumed>) = 4 [pid 5009] <... openat resumed>) = 3 [pid 5008] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5005] umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5387] <... prctl resumed>) = 0 [pid 5386] close(3 [pid 5009] fstat(3, [pid 5008] getdents64(3, [pid 5006] umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5386] <... close resumed>) = 0 [pid 5009] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5387] setpgid(0, 0 [pid 5386] symlink("/dev/binderfs", "./binderfs" [pid 5009] getdents64(3, [pid 5008] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5006] lstat("./60/binderfs", [pid 5005] lstat("./56/binderfs", [pid 5387] <... setpgid resumed>) = 0 [pid 5386] <... symlink resumed>) = 0 [pid 5009] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5386] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5008] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] unlink("./60/binderfs" [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5386] <... openat resumed>) = 3 [pid 5009] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5008] lstat("./62/binderfs", [pid 5006] <... unlink resumed>) = 0 [pid 5386] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5009] lstat("./62/binderfs", [pid 5008] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] getdents64(3, [pid 5005] unlink("./56/binderfs" [pid 5387] <... openat resumed>) = 3 [pid 5386] <... mmap resumed>) = 0x20fff000 [pid 5009] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5008] unlink("./62/binderfs" [pid 5006] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5387] write(3, "1000", 4 [pid 5386] exit_group(0 [pid 5009] unlink("./62/binderfs" [pid 5006] close(3 [pid 5005] <... unlink resumed>) = 0 [pid 5387] <... write resumed>) = 4 [pid 5386] <... exit_group resumed>) = ? [pid 5008] <... unlink resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5387] close(3 [pid 5009] <... unlink resumed>) = 0 [pid 5008] getdents64(3, [pid 5005] getdents64(3, [pid 5387] <... close resumed>) = 0 [pid 5386] +++ exited with 0 +++ [pid 5009] getdents64(3, [pid 5008] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5006] rmdir("./60" [pid 5005] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5387] symlink("/dev/binderfs", "./binderfs" [pid 5010] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5009] <... getdents64 resumed>0x555556467620 /* 0 entries */, 32768) = 0 [pid 5008] close(3 [pid 5005] close(3 [pid 5387] <... symlink resumed>) = 0 [pid 5009] close(3 [pid 5008] <... close resumed>) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5387] openat(AT_FDCWD, "/dev/bus/usb/005/001", O_RDWR|O_EXCL|O_NOATIME|FASYNC [pid 5009] <... close resumed>) = 0 [pid 5008] rmdir("./62" [pid 5006] mkdir("./61", 0777 [pid 5005] rmdir("./56" [pid 5010] umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5009] rmdir("./62" [pid 5008] <... rmdir resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5387] <... openat resumed>) = 3 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5387] mmap(0x20fff000, 4096, PROT_WRITE|PROT_SEM|PROT_GROWSDOWN, MAP_SHARED|MAP_FIXED, 3, 0 [pid 5010] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... rmdir resumed>) = 0 [pid 5008] mkdir("./63", 0777 [pid 5005] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5388 attached [pid 5387] <... mmap resumed>) = 0x20fff000 [pid 5010] <... openat resumed>) = 3 [pid 5006] <... clone resumed>, child_tidptr=0x5555564665d0) = 5388 [pid 5388] chdir("./61" [pid 5387] exit_group(0 [pid 5010] fstat(3, [pid 5009] mkdir("./63", 0777 [pid 5008] <... mkdir resumed>) = 0 [pid 5005] mkdir("./57", 0777 [pid 5388] <... chdir resumed>) = 0 [pid 5387] <... exit_group resumed>) = ? [pid 5010] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] getdents64(3, [pid 5009] <... mkdir resumed>) = 0 [pid 5388] <... prctl resumed>) = 0 [pid 5010] <... getdents64 resumed>0x555556467620 /* 3 entries */, 32768) = 80 [pid 5008] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... mkdir resumed>) = 0 [pid 5388] setpgid(0, 0 [pid 5010] umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5388] <... setpgid resumed>) = 0 [pid 5010] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] lstat("./69/binderfs", ./strace-static-x86_64: Process 5389 attached [pid 5388] <... openat resumed>) = 3 [pid 5387] +++ exited with 0 +++ [pid 5010] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5009] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5388] write(3, "1000", 4 [pid 5010] unlink("./69/binderfs" [pid 5388] <... write resumed>) = 4 [