./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2723279464 <...> ] close(17 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6160] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6154] ioctl(4, LOOP_CLR_FD [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] lstat("./82/file0", [pid 6160] <... symlink resumed>) = 0 [pid 6154] <... ioctl resumed>) = 0 [pid 6153] close(18 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6160] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6154] close(4 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6160] <... symlink resumed>) = 0 [pid 6154] <... close resumed>) = 0 [pid 6153] close(19 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6154] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] openat(AT_FDCWD, "./82/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6160] <... openat resumed>) = 3 [pid 6157] <... mount resumed>) = 0 [pid 6154] <... futex resumed>) = 1 [pid 6153] close(20 [pid 6152] <... futex resumed>) = 0 [pid 5075] <... openat resumed>) = 4 [pid 6160] write(3, "1000", 4 [pid 6157] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] <... write resumed>) = 4 [pid 6157] <... openat resumed>) = 3 [pid 6153] close(21 [pid 6152] <... futex resumed>) = 0 [pid 6154] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6160] close(3 [pid 6157] chdir("./file0" [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] fstat(4, [pid 6160] <... close resumed>) = 0 [pid 6157] <... chdir resumed>) = 0 [pid 6153] close(22 [pid 6160] symlink("/dev/binderfs", "./binderfs" [pid 6157] ioctl(4, LOOP_CLR_FD [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6160] <... symlink resumed>) = 0 [pid 6157] <... ioctl resumed>) = 0 [pid 6153] close(23 [pid 5075] getdents64(4, [pid 6160] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] close(4 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] <... futex resumed>) = 0 [pid 6157] <... close resumed>) = 0 [pid 6153] close(24 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6157] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] getdents64(4, [pid 6160] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6157] <... futex resumed>) = 1 [pid 6156] <... futex resumed>) = 0 [pid 6153] close(25 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6160] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6157] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6156] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... mkdirat resumed>) = 0 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] close(4 [pid 6160] <... mprotect resumed>) = 0 [pid 6157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6156] <... futex resumed>) = 0 [pid 6154] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] close(26 [pid 5075] <... close resumed>) = 0 [pid 6160] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6157] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6156] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6154] <... futex resumed>) = 1 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... futex resumed>) = 0 [pid 5075] rmdir("./82/file0"./strace-static-x86_64: Process 6161 attached [pid 6157] <... mkdirat resumed>) = 0 [pid 6154] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] close(27 [pid 6152] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6160] <... clone resumed>, parent_tid=[167], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 167 [pid 6157] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... futex resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 6161] <... set_robust_list resumed>) = 0 [pid 6160] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] <... futex resumed>) = 1 [pid 6156] <... futex resumed>) = 0 [pid 6154] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6153] close(28 [pid 6152] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6161] memfd_create("syzkaller", 0 [pid 6160] <... futex resumed>) = 0 [pid 6157] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6156] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] <... memfd_create resumed>) = 3 [pid 6160] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6156] <... futex resumed>) = 0 [pid 6153] close(29 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6161] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6157] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6156] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6153] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6154] <... symlinkat resumed>) = 0 [pid 5075] lstat("./82/cgroup.cpu", [pid 6161] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6157] <... symlinkat resumed>) = 0 [pid 6154] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6153] exit_group(0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6157] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6155] <... futex resumed>) = ? [pid 6154] <... futex resumed>) = 1 [pid 6153] <... exit_group resumed>) = ? [pid 6152] <... futex resumed>) = 0 [pid 5075] unlink("./82/cgroup.cpu" [pid 6157] <... futex resumed>) = 1 [pid 6156] <... futex resumed>) = 0 [pid 6155] +++ exited with 0 +++ [pid 6154] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6153] +++ exited with 0 +++ [pid 6152] close(3 [pid 6157] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6156] close(3 [pid 6152] <... close resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6156] <... close resumed>) = 0 [pid 6152] close(4 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5075] getdents64(3, [pid 6156] close(4 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(5 [pid 5078] <... restart_syscall resumed>) = 0 [pid 5075] close(3 [pid 6156] close(5 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(6 [pid 5075] <... close resumed>) = 0 [pid 6156] close(6 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] rmdir("./82" [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(7 [pid 5078] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6156] close(7 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... rmdir resumed>) = 0 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(8 [pid 5078] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] mkdir("./83", 0777 [pid 6161] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6159] <... write resumed>) = 2097152 [pid 6156] close(8 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(9 [pid 6156] close(9 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(10 [pid 6156] close(10 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(11 [pid 6156] close(11 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(12 [pid 5078] <... openat resumed>) = 3 [pid 6159] munmap(0x7f7a51cd9000, 2097152 [pid 6156] close(12 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... mkdir resumed>) = 0 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(13 [pid 6156] close(13 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(14 [pid 6156] close(14 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] <... munmap resumed>) = 0 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(15 [pid 5078] fstat(3, [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6159] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6156] close(15 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6159] <... openat resumed>) = 4 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(16 [pid 5075] <... openat resumed>) = 3 [pid 6156] close(16 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(17 [pid 5078] getdents64(3, [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6156] close(17 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] ioctl(4, LOOP_SET_FD, 3 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(18 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] close(3 [pid 6156] close(18 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... close resumed>) = 0 [pid 5078] lstat("./86/binderfs", [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6162 attached [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6162] set_robust_list(0x5555562845e0, 24 [pid 5078] unlink("./86/binderfs" [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 168 [pid 6162] <... set_robust_list resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6162] chdir("./83" [pid 5078] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6162] <... chdir resumed>) = 0 [pid 6159] <... ioctl resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6159] close(3 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(19 [pid 5078] lstat("./86/cgroup", [pid 6162] <... prctl resumed>) = 0 [pid 6161] <... write resumed>) = 2097152 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6162] setpgid(0, 0 [pid 5078] unlink("./86/cgroup" [pid 6162] <... setpgid resumed>) = 0 [pid 6159] <... close resumed>) = 0 [pid 6156] close(19 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 6162] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5078] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6162] <... symlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6162] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5078] lstat("./86/cgroup.net", [pid 6162] <... symlink resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6162] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5078] unlink("./86/cgroup.net" [pid 6162] <... symlink resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6162] <... openat resumed>) = 3 [pid 6162] write(3, "1000", 4 [pid 6159] mkdir("./file0", 0777 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(20 [pid 6162] <... write resumed>) = 4 [pid 6162] close(3) = 0 [pid 6162] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6156] close(20 [pid 6162] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6159] <... mkdir resumed>) = 0 [pid 6162] <... futex resumed>) = 0 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6159] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6162] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6156] close(21 [pid 6152] close(21 [pid 6162] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6156] close(22./strace-static-x86_64: Process 6163 attached ) = -1 EBADF (Bad file descriptor) [pid 6152] close(22 [pid 6163] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6162] <... clone resumed>, parent_tid=[169], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 169 [pid 6156] close(23 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... set_robust_list resumed>) = 0 [pid 6162] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(23 [pid 6163] memfd_create("syzkaller", 0 [pid 6162] <... futex resumed>) = 0 [pid 6156] close(24 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6163] <... memfd_create resumed>) = 3 [pid 6162] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(24 [pid 6163] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6156] close(25 [pid 6163] <... mmap resumed>) = 0x7f7a51cd9000 [ 160.816756][ T6159] loop2: detected capacity change from 0 to 4096 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] munmap(0x7f7a51cd9000, 2097152 [pid 6159] <... mount resumed>) = 0 [pid 5078] <... umount2 resumed>) = 0 [pid 6156] close(26 [pid 6152] close(25 [pid 6161] <... munmap resumed>) = 0 [pid 6159] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6163] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6159] <... openat resumed>) = 3 [pid 6156] close(27 [pid 6152] close(26 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6159] chdir("./file0" [pid 6156] close(28 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6161] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6159] <... chdir resumed>) = 0 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(27 [pid 5078] lstat("./86/file0", [pid 6159] ioctl(4, LOOP_CLR_FD [pid 6156] close(29 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6159] <... ioctl resumed>) = 0 [pid 6156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6152] close(28 [pid 5078] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6161] close(3 [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6156] exit_group(0 [pid 6161] <... close resumed>) = 0 [pid 6159] close(4 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6161] mkdir("./file0", 0777) = 0 [pid 6159] <... close resumed>) = 0 [pid 6157] <... futex resumed>) = ? [pid 6156] <... exit_group resumed>) = ? [pid 6152] close(29 [pid 5078] openat(AT_FDCWD, "./86/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6161] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6163] <... write resumed>) = 2097152 [pid 6159] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6157] +++ exited with 0 +++ [pid 6156] +++ exited with 0 +++ [pid 6152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 4 [pid 6163] munmap(0x7f7a51cd9000, 2097152 [pid 6159] <... futex resumed>) = 1 [pid 6158] <... futex resumed>) = 0 [pid 6152] exit_group(0 [pid 5078] fstat(4, [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 6163] <... munmap resumed>) = 0 [pid 6159] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6154] <... futex resumed>) = ? [pid 6152] <... exit_group resumed>) = ? [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6158] <... futex resumed>) = 0 [pid 6154] +++ exited with 0 +++ [pid 6152] +++ exited with 0 +++ [pid 5078] getdents64(4, [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=164, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6159] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6158] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6163] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5078] getdents64(4, [pid 6163] <... openat resumed>) = 4 [pid 6159] <... mkdirat resumed>) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [ 160.943797][ T6161] loop0: detected capacity change from 0 to 4096 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6159] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] close(4 [pid 5077] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6163] ioctl(4, LOOP_SET_FD, 3 [pid 6159] <... futex resumed>) = 1 [pid 6158] <... futex resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 6159] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6158] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] rmdir("./86/file0" [pid 5077] <... openat resumed>) = 3 [pid 6158] <... futex resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5077] fstat(3, [pid 5076] umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6159] <... symlinkat resumed>) = 0 [pid 6158] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6159] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6159] <... futex resumed>) = 0 [pid 6158] close(3 [pid 5078] lstat("./86/cgroup.cpu", [pid 5077] getdents64(3, [pid 5076] openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6159] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6158] <... close resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6158] close(4 [pid 5078] unlink("./86/cgroup.cpu" [pid 5077] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... openat resumed>) = 3 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6158] close(5 [pid 5078] getdents64(3, [pid 5077] lstat("./83/binderfs", [pid 5076] fstat(3, [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6158] close(6 [pid 5078] close(3 [pid 5077] unlink("./83/binderfs" [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = 0 [pid 6158] close(7 [pid 5078] rmdir("./86" [pid 5077] <... unlink resumed>) = 0 [pid 5076] getdents64(3, [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... rmdir resumed>) = 0 [pid 5077] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6158] close(8 [pid 5078] mkdir("./87", 0777 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... mkdir resumed>) = 0 [pid 5077] lstat("./83/cgroup", [pid 5076] umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6158] close(9 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6163] <... ioctl resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 3 [pid 5077] unlink("./83/cgroup" [pid 5076] lstat("./81/binderfs", [pid 6163] close(3 [pid 6158] close(10 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6163] <... close resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6163] mkdir("./file0", 0777 [pid 6158] close(11 [pid 5078] close(3 [pid 5077] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] unlink("./81/binderfs" [pid 6163] <... mkdir resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = 0 [pid 6163] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6164 attached [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... unlink resumed>) = 0 [pid 6164] set_robust_list(0x5555562845e0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 176 [pid 5077] lstat("./83/cgroup.net", [pid 6158] close(12 [pid 6164] <... set_robust_list resumed>) = 0 [pid 5076] umount2("./81/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] chdir("./87" [pid 6158] close(13 [pid 5077] unlink("./83/cgroup.net" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6164] <... chdir resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6158] close(14 [pid 5077] <... unlink resumed>) = 0 [pid 5076] lstat("./81/cgroup", [pid 6164] <... prctl resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6164] setpgid(0, 0 [pid 6158] close(15 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6164] <... setpgid resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] unlink("./81/cgroup" [pid 6164] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6158] close(16 [pid 6164] <... symlink resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 161.007669][ T6163] loop3: detected capacity change from 0 to 4096 [pid 5076] <... unlink resumed>) = 0 [pid 6164] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6158] close(17 [pid 5076] umount2("./81/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6164] <... symlink resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6158] close(18 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6164] <... symlink resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6164] write(3, "1000", 4) = 4 [pid 6164] close(3) = 0 [pid 6164] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5076] lstat("./81/cgroup.net", [pid 6164] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] close(19 [pid 6164] <... futex resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6158] close(20 [pid 5076] unlink("./81/cgroup.net" [pid 6164] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6164] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6158] close(21 [pid 5076] <... unlink resumed>) = 0 [pid 6164] <... mprotect resumed>) = 0 [pid 6161] <... mount resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6164] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6161] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6158] close(22./strace-static-x86_64: Process 6165 attached [pid 6161] <... openat resumed>) = 3 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6164] <... clone resumed>, parent_tid=[177], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 177 [pid 6158] close(23 [pid 6165] <... set_robust_list resumed>) = 0 [pid 6164] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] chdir("./file0" [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] memfd_create("syzkaller", 0 [pid 6164] <... futex resumed>) = 0 [pid 6161] <... chdir resumed>) = 0 [pid 6158] close(24 [pid 6165] <... memfd_create resumed>) = 3 [pid 6164] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6161] ioctl(4, LOOP_CLR_FD [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6158] close(25 [pid 6165] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6161] <... ioctl resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6161] close(4 [pid 6158] close(26 [pid 5077] <... umount2 resumed>) = 0 [pid 6161] <... close resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6161] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] close(27 [pid 6161] <... futex resumed>) = 1 [pid 6160] <... futex resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = 0 [pid 6161] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] close(28 [pid 5077] lstat("./83/file0", [pid 5076] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6160] <... futex resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6163] <... mount resumed>) = 0 [pid 6161] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6160] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6158] close(29 [pid 5077] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6163] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6161] <... mkdirat resumed>) = 0 [pid 6158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./81/file0", [pid 6163] <... openat resumed>) = 3 [pid 6161] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6158] exit_group(0 [pid 5077] openat(AT_FDCWD, "./83/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6163] chdir("./file0" [pid 6161] <... futex resumed>) = 1 [pid 6160] <... futex resumed>) = 0 [pid 6159] <... futex resumed>) = ? [pid 6158] <... exit_group resumed>) = ? [pid 6163] <... chdir resumed>) = 0 [pid 6161] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6163] ioctl(4, LOOP_CLR_FD [pid 6161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6160] <... futex resumed>) = 0 [pid 6163] <... ioctl resumed>) = 0 [pid 6161] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6160] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6159] +++ exited with 0 +++ [pid 6158] +++ exited with 0 +++ [pid 6163] close(4 [pid 6161] <... symlinkat resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5077] <... openat resumed>) = 4 [pid 5076] umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6163] <... close resumed>) = 0 [pid 6161] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] fstat(4, [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6163] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6161] <... futex resumed>) = 1 [pid 6160] <... futex resumed>) = 0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] openat(AT_FDCWD, "./81/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6163] <... futex resumed>) = 1 [pid 6162] <... futex resumed>) = 0 [pid 6161] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6160] close(3 [pid 5077] getdents64(4, [pid 6163] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] <... close resumed>) = 0 [pid 5076] <... openat resumed>) = 4 [pid 6163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] <... futex resumed>) = 0 [pid 6160] close(4 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] fstat(4, [pid 6163] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6162] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] getdents64(4, [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6165] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6163] <... mkdirat resumed>) = 0 [pid 6160] close(5 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] getdents64(4, [pid 6163] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] close(4 [pid 6163] <... futex resumed>) = 1 [pid 6162] <... futex resumed>) = 0 [pid 6160] close(6 [pid 5079] <... openat resumed>) = 3 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] <... close resumed>) = 0 [pid 6163] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] fstat(3, [pid 5077] rmdir("./83/file0" [pid 5076] getdents64(4, [pid 6163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6162] <... futex resumed>) = 0 [pid 6160] close(7 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6163] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6162] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(3, [pid 5077] <... rmdir resumed>) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6163] <... symlinkat resumed>) = 0 [pid 6160] close(8 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6163] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6163] <... futex resumed>) = 1 [pid 6162] <... futex resumed>) = 0 [pid 6160] close(9 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6163] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6162] close(3 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./89/binderfs", [pid 5077] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6162] <... close resumed>) = 0 [pid 6160] close(10 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] close(4 [pid 6162] close(4 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./89/binderfs" [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(11 [pid 5079] <... unlink resumed>) = 0 [pid 6162] close(5 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(12 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6162] close(6 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./89/cgroup", [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... close resumed>) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(13 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6162] close(7 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./89/cgroup" [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(14 [pid 5079] <... unlink resumed>) = 0 [pid 6162] close(8 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] lstat("./83/cgroup.cpu", [pid 5076] rmdir("./81/file0" [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(15 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6162] close(9 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./89/cgroup.net", [pid 5077] unlink("./83/cgroup.cpu" [pid 5076] <... rmdir resumed>) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(16 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6162] close(10 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./89/cgroup.net" [pid 5077] <... unlink resumed>) = 0 [pid 5076] umount2("./81/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(17 [pid 5079] <... unlink resumed>) = 0 [pid 6162] close(11 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(18 [pid 6162] close(12 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(19 [pid 6162] close(13 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] getdents64(3, [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(20 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6162] close(14 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(3 [pid 5076] lstat("./81/cgroup.cpu", [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(21 [pid 5077] <... close resumed>) = 0 [pid 6162] close(15 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] rmdir("./83" [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(22 [pid 6162] close(16 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... rmdir resumed>) = 0 [pid 5076] unlink("./81/cgroup.cpu" [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(23 [pid 6162] close(17 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(24 [pid 6162] close(18 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(25 [pid 6162] close(19 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] mkdir("./84", 0777 [pid 5076] <... unlink resumed>) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(26 [pid 6162] close(20 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... mkdir resumed>) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(27 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5076] getdents64(3, [pid 6162] close(21 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6165] <... write resumed>) = 2097152 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(28 [pid 5077] <... openat resumed>) = 3 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6165] munmap(0x7f7a51cd9000, 2097152 [pid 6162] close(22 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] close(3 [pid 6165] <... munmap resumed>) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] close(29 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] <... close resumed>) = 0 [pid 6162] close(23 [pid 6160] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(3 [pid 5076] rmdir("./81" [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6160] exit_group(0 [pid 5077] <... close resumed>) = 0 [pid 6165] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6165] <... openat resumed>) = 4 [pid 6162] close(24 [pid 6161] <... futex resumed>) = ? [pid 6160] <... exit_group resumed>) = ? [pid 5076] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6166 attached [pid 6165] ioctl(4, LOOP_SET_FD, 3 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 170 [pid 6166] set_robust_list(0x5555562845e0, 24 [pid 6162] close(25 [pid 6161] +++ exited with 0 +++ [pid 6160] +++ exited with 0 +++ [pid 5079] <... umount2 resumed>) = 0 [pid 5076] mkdir("./82", 0777 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6166] <... set_robust_list resumed>) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6166] chdir("./84" [pid 6165] <... ioctl resumed>) = 0 [pid 6162] close(26 [pid 5079] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... mkdir resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6166] <... chdir resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6165] close(3 [pid 5074] fstat(3, [pid 6166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6165] <... close resumed>) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6166] <... prctl resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 6162] close(27 [pid 5074] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6166] setpgid(0, 0 [pid 6165] mkdir("./file0", 0777 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./89/file0", [pid 5076] <... openat resumed>) = 3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6166] <... setpgid resumed>) = 0 [pid 6162] close(28 [pid 5074] lstat("./82/binderfs", [pid 6165] <... mkdir resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5074] unlink("./82/binderfs" [pid 6166] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6165] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6162] close(29 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6166] <... symlink resumed>) = 0 [pid 6162] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] close(3 [pid 5074] <... unlink resumed>) = 0 [pid 6166] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6162] exit_group(0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... close resumed>) = 0 [pid 6166] <... symlink resumed>) = 0 [pid 6163] <... futex resumed>) = ? [pid 6162] <... exit_group resumed>) = ? [pid 5079] openat(AT_FDCWD, "./89/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6167 attached [pid 6166] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6163] +++ exited with 0 +++ [pid 6162] +++ exited with 0 +++ [pid 5079] <... openat resumed>) = 4 [pid 5074] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6167] set_robust_list(0x5555562845e0, 24 [pid 6166] <... symlink resumed>) = 0 [pid 5079] fstat(4, [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 166 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6167] <... set_robust_list resumed>) = 0 [pid 6166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5074] lstat("./82/cgroup", [pid 6167] chdir("./82" [pid 6166] <... openat resumed>) = 3 [ 161.285389][ T6165] loop1: detected capacity change from 0 to 4096 [pid 5079] getdents64(4, [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 6167] <... chdir resumed>) = 0 [pid 6166] write(3, "1000", 4 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6166] <... write resumed>) = 4 [pid 5079] getdents64(4, [pid 5074] unlink("./82/cgroup" [pid 6167] <... prctl resumed>) = 0 [pid 6166] close(3 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 6167] setpgid(0, 0 [pid 6166] <... close resumed>) = 0 [pid 5079] close(4 [pid 5075] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6167] <... setpgid resumed>) = 0 [pid 6166] symlink("/dev/binderfs", "./binderfs" [pid 6165] <... mount resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6167] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6166] <... symlink resumed>) = 0 [pid 6165] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] rmdir("./89/file0" [pid 5075] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] lstat("./82/cgroup.net", [pid 6167] <... symlink resumed>) = 0 [pid 6166] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... openat resumed>) = 3 [pid 5079] <... rmdir resumed>) = 0 [pid 5075] <... openat resumed>) = 3 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6167] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6166] <... futex resumed>) = 0 [pid 6165] chdir("./file0" [pid 5079] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] fstat(3, [pid 5074] unlink("./82/cgroup.net" [pid 6167] <... symlink resumed>) = 0 [pid 6166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6165] <... chdir resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6167] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6166] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6165] ioctl(4, LOOP_CLR_FD [pid 5079] lstat("./89/cgroup.cpu", [pid 5074] <... unlink resumed>) = 0 [pid 5075] getdents64(3, [pid 6167] <... symlink resumed>) = 0 [pid 6166] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6165] <... ioctl resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6166] <... mprotect resumed>) = 0 [pid 6165] close(4 [pid 5079] unlink("./89/cgroup.cpu" [pid 6167] <... openat resumed>) = 3 [pid 6166] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6165] <... close resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5075] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6168 attached [pid 6165] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] getdents64(3, [pid 6168] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6166] <... clone resumed>, parent_tid=[171], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 171 [pid 6165] <... futex resumed>) = 1 [pid 6164] <... futex resumed>) = 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6168] <... set_robust_list resumed>) = 0 [pid 6166] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] close(3 [pid 6168] memfd_create("syzkaller", 0 [pid 6166] <... futex resumed>) = 0 [pid 6165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6164] <... futex resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 6168] <... memfd_create resumed>) = 3 [pid 6166] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6165] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6164] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] rmdir("./89" [pid 6168] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5079] <... rmdir resumed>) = 0 [pid 6168] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5079] mkdir("./90", 0777 [pid 6167] write(3, "1000", 4 [pid 6165] <... mkdirat resumed>) = 0 [pid 5079] <... mkdir resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = 0 [pid 6167] <... write resumed>) = 4 [pid 6165] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5075] lstat("./83/binderfs", [pid 6167] close(3 [pid 6165] <... futex resumed>) = 1 [pid 6164] <... futex resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 6167] <... close resumed>) = 0 [pid 6165] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6164] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6167] symlink("/dev/binderfs", "./binderfs" [pid 6164] <... futex resumed>) = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] close(3 [pid 5075] unlink("./83/binderfs" [pid 6167] <... symlink resumed>) = 0 [pid 6164] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... close resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6169 attached [pid 6167] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6165] <... symlinkat resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6169] set_robust_list(0x5555562845e0, 24 [pid 6167] <... futex resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 182 [pid 5075] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6169] <... set_robust_list resumed>) = 0 [pid 6167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6169] chdir("./90" [pid 6165] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5075] lstat("./83/cgroup", [pid 6169] <... chdir resumed>) = 0 [pid 6167] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6165] <... futex resumed>) = 1 [pid 6164] <... futex resumed>) = 0 [pid 6169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6167] <... mprotect resumed>) = 0 [pid 6165] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6164] close(3 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6169] <... prctl resumed>) = 0 [pid 6167] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6164] <... close resumed>) = 0 [pid 5075] unlink("./83/cgroup" [pid 6169] setpgid(0, 0) = 0 [pid 6168] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6169] symlink("/syzcgroup/unified/syz2", "./cgroup"./strace-static-x86_64: Process 6170 attached ) = 0 [pid 6164] close(4 [pid 5075] <... unlink resumed>) = 0 [pid 5074] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6170] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6169] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6167] <... clone resumed>, parent_tid=[167], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 167 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6170] <... set_robust_list resumed>) = 0 [pid 6169] <... symlink resumed>) = 0 [pid 6167] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] close(5 [pid 5075] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./82/file0", [pid 6169] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6170] memfd_create("syzkaller", 0 [pid 6169] <... symlink resumed>) = 0 [pid 6167] <... futex resumed>) = 0 [pid 6164] close(6 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6170] <... memfd_create resumed>) = 3 [pid 6169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6167] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] lstat("./83/cgroup.net", [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6170] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6169] <... openat resumed>) = 3 [pid 6164] close(7 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] openat(AT_FDCWD, "./82/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6170] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6169] write(3, "1000", 4 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] unlink("./83/cgroup.net" [pid 5074] <... openat resumed>) = 4 [pid 6169] <... write resumed>) = 4 [pid 6164] close(8 [pid 5074] fstat(4, [pid 6169] close(3 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6169] <... close resumed>) = 0 [pid 6164] close(9 [pid 5075] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(4, [pid 6169] symlink("/dev/binderfs", "./binderfs" [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6169] <... symlink resumed>) = 0 [pid 6164] close(10 [pid 5074] getdents64(4, [pid 6169] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6169] <... futex resumed>) = 0 [pid 6164] close(11 [pid 5074] close(4 [pid 6169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = 0 [pid 6169] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6164] close(12 [pid 5074] rmdir("./82/file0" [pid 6169] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... rmdir resumed>) = 0 [pid 6169] <... mprotect resumed>) = 0 [pid 6164] close(13 [pid 5074] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6169] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6171 attached [pid 6164] close(14 [pid 5074] lstat("./82/cgroup.cpu", [pid 6171] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6169] <... clone resumed>, parent_tid=[183], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 183 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6171] <... set_robust_list resumed>) = 0 [pid 6169] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6164] close(15 [pid 5074] unlink("./82/cgroup.cpu" [pid 6171] memfd_create("syzkaller", 0 [pid 6169] <... futex resumed>) = 0 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... unlink resumed>) = 0 [pid 6171] <... memfd_create resumed>) = 3 [pid 6169] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6164] close(16 [pid 5074] getdents64(3, [pid 6171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6171] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6164] close(17 [pid 5074] close(3 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = 0 [pid 6164] close(18 [pid 5074] rmdir("./82" [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... rmdir resumed>) = 0 [pid 6164] close(19 [pid 5074] mkdir("./83", 0777 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... mkdir resumed>) = 0 [pid 6164] close(20 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... openat resumed>) = 3 [pid 6164] close(21 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6164] close(22 [pid 5074] close(3 [pid 6170] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = 0 [pid 6164] close(23 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6172 attached [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] set_robust_list(0x5555562845e0, 24 [pid 6164] close(24 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 168 [pid 6172] <... set_robust_list resumed>) = 0 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] chdir("./83" [pid 6164] close(25 [pid 6172] <... chdir resumed>) = 0 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6164] close(26 [pid 6172] <... prctl resumed>) = 0 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] setpgid(0, 0 [pid 6164] close(27 [pid 6172] <... setpgid resumed>) = 0 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6164] close(28 [pid 6172] <... symlink resumed>) = 0 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6164] close(29 [pid 6172] <... symlink resumed>) = 0 [pid 6164] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6164] exit_group(0 [pid 6172] <... symlink resumed>) = 0 [pid 6165] <... futex resumed>) = ? [pid 6164] <... exit_group resumed>) = ? [pid 6172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6171] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6165] +++ exited with 0 +++ [pid 6164] +++ exited with 0 +++ [pid 6172] write(3, "1000", 4 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 6172] <... write resumed>) = 4 [pid 6172] close(3) = 0 [pid 6172] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6172] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 5078] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6172] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6172] <... mprotect resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6172] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5078] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6173 attached [pid 5078] fstat(3, [pid 6173] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6172] <... clone resumed>, parent_tid=[169], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 169 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6173] <... set_robust_list resumed>) = 0 [pid 6172] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6168] <... write resumed>) = 2097152 [pid 5078] getdents64(3, [pid 6173] memfd_create("syzkaller", 0 [pid 6172] <... futex resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6173] <... memfd_create resumed>) = 3 [pid 6172] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6173] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6173] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6168] munmap(0x7f7a51cd9000, 2097152 [pid 5078] lstat("./87/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] <... umount2 resumed>) = 0 [pid 5078] unlink("./87/binderfs") = 0 [pid 5075] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6168] <... munmap resumed>) = 0 [pid 5078] lstat("./87/cgroup", [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./87/cgroup" [pid 5075] lstat("./83/file0", [pid 5078] <... unlink resumed>) = 0 [pid 5078] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./87/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6168] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5078] unlink("./87/cgroup.net" [pid 6168] <... openat resumed>) = 4 [pid 5078] <... unlink resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6168] ioctl(4, LOOP_SET_FD, 3 [pid 5078] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] openat(AT_FDCWD, "./83/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] close(4) = 0 [pid 5075] rmdir("./83/file0") = 0 [pid 5075] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./83/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] unlink("./83/cgroup.cpu" [pid 6170] <... write resumed>) = 2097152 [pid 6168] <... ioctl resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6170] munmap(0x7f7a51cd9000, 2097152 [pid 6168] close(3 [pid 5075] getdents64(3, [pid 6170] <... munmap resumed>) = 0 [pid 6168] <... close resumed>) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6168] mkdir("./file0", 0777 [pid 6170] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5075] close(3 [pid 6173] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6170] <... openat resumed>) = 4 [pid 6168] <... mkdir resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 6170] ioctl(4, LOOP_SET_FD, 3 [pid 6168] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [ 161.585825][ T6168] loop5: detected capacity change from 0 to 4096 [pid 5075] rmdir("./83" [pid 6171] <... write resumed>) = 2097152 [pid 6170] <... ioctl resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 6171] munmap(0x7f7a51cd9000, 2097152 [pid 5075] mkdir("./84", 0777 [pid 6171] <... munmap resumed>) = 0 [pid 6170] close(3 [pid 5075] <... mkdir resumed>) = 0 [pid 6171] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6170] <... close resumed>) = 0 [pid 6170] mkdir("./file0", 0777 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6171] <... openat resumed>) = 4 [pid 6171] ioctl(4, LOOP_SET_FD, 3 [pid 6170] <... mkdir resumed>) = 0 [pid 5075] <... openat resumed>) = 3 [pid 6170] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5075] ioctl(3, LOOP_CLR_FD [pid 5078] <... umount2 resumed>) = 0 [pid 5078] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./87/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./87/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] fstat(4, [pid 5075] close(3 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] <... close resumed>) = 0 [pid 5078] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] close(4) = 0 [pid 5078] rmdir("./87/file0"./strace-static-x86_64: Process 6174 attached ) = 0 [pid 5078] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 170 [pid 6174] set_robust_list(0x5555562845e0, 24 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./87/cgroup.cpu", [pid 6174] <... set_robust_list resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6174] chdir("./84" [pid 5078] unlink("./87/cgroup.cpu" [pid 6174] <... chdir resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] getdents64(3, [pid 6174] <... prctl resumed>) = 0 [pid 6171] <... ioctl resumed>) = 0 [pid 6168] <... mount resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5078] close(3) = 0 [pid 5078] rmdir("./87" [pid 6174] setpgid(0, 0 [ 161.643682][ T6170] loop4: detected capacity change from 0 to 4096 [ 161.676876][ T6171] loop2: detected capacity change from 0 to 4096 [pid 6168] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5078] <... rmdir resumed>) = 0 [pid 6174] <... setpgid resumed>) = 0 [pid 6168] <... openat resumed>) = 3 [pid 5078] mkdir("./88", 0777 [pid 6174] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6168] chdir("./file0" [pid 5078] <... mkdir resumed>) = 0 [pid 6174] <... symlink resumed>) = 0 [pid 6168] <... chdir resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6174] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6168] ioctl(4, LOOP_CLR_FD [pid 5078] <... openat resumed>) = 3 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6174] <... symlink resumed>) = 0 [pid 6168] <... ioctl resumed>) = 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6174] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6168] close(4 [pid 5078] close(3 [pid 6174] <... symlink resumed>) = 0 [pid 6173] <... write resumed>) = 2097152 [pid 6171] close(3 [pid 6168] <... close resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 6174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6168] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6175 attached [pid 6174] <... openat resumed>) = 3 [pid 6173] munmap(0x7f7a51cd9000, 2097152 [pid 6171] <... close resumed>) = 0 [pid 6168] <... futex resumed>) = 1 [pid 6166] <... futex resumed>) = 0 [pid 6175] set_robust_list(0x5555562845e0, 24 [pid 6174] write(3, "1000", 4 [pid 6171] mkdir("./file0", 0777 [pid 6168] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 178 [pid 6175] <... set_robust_list resumed>) = 0 [pid 6174] <... write resumed>) = 4 [pid 6171] <... mkdir resumed>) = 0 [pid 6170] <... mount resumed>) = 0 [pid 6168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6166] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] chdir("./88" [pid 6174] close(3 [pid 6171] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6170] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6168] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6166] <... futex resumed>) = 0 [pid 6175] <... chdir resumed>) = 0 [pid 6174] <... close resumed>) = 0 [pid 6173] <... munmap resumed>) = 0 [pid 6170] <... openat resumed>) = 3 [pid 6166] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6174] symlink("/dev/binderfs", "./binderfs" [pid 6173] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6170] chdir("./file0" [pid 6168] <... mkdirat resumed>) = 0 [pid 6175] <... prctl resumed>) = 0 [pid 6174] <... symlink resumed>) = 0 [pid 6173] <... openat resumed>) = 4 [pid 6170] <... chdir resumed>) = 0 [pid 6168] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] setpgid(0, 0 [pid 6174] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] ioctl(4, LOOP_SET_FD, 3 [pid 6170] ioctl(4, LOOP_CLR_FD [pid 6168] <... futex resumed>) = 1 [pid 6166] <... futex resumed>) = 0 [pid 6175] <... setpgid resumed>) = 0 [pid 6174] <... futex resumed>) = 0 [pid 6170] <... ioctl resumed>) = 0 [pid 6168] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6166] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6170] close(4 [pid 6168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6166] <... futex resumed>) = 0 [pid 6175] <... symlink resumed>) = 0 [pid 6174] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6173] <... ioctl resumed>) = 0 [pid 6171] <... mount resumed>) = 0 [pid 6170] <... close resumed>) = 0 [pid 6168] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6166] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6174] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6173] close(3 [pid 6171] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6170] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... symlink resumed>) = 0 [pid 6174] <... mprotect resumed>) = 0 [pid 6170] <... futex resumed>) = 1 [pid 6167] <... futex resumed>) = 0 [pid 6175] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6173] <... close resumed>) = 0 [pid 6171] <... openat resumed>) = 3 [pid 6170] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6168] <... symlinkat resumed>) = 0 [pid 6175] <... symlink resumed>) = 0 [pid 6174] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6173] mkdir("./file0", 0777 [pid 6171] chdir("./file0" [pid 6170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6168] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6176 attached [pid 6175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6170] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6176] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6175] <... openat resumed>) = 3 [pid 6174] <... clone resumed>, parent_tid=[171], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 171 [pid 6173] <... mkdir resumed>) = 0 [pid 6171] <... chdir resumed>) = 0 [pid 6168] <... futex resumed>) = 1 [pid 6167] <... futex resumed>) = 0 [pid 6166] <... futex resumed>) = 0 [pid 6176] <... set_robust_list resumed>) = 0 [pid 6175] write(3, "1000", 4 [pid 6174] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6171] ioctl(4, LOOP_CLR_FD [pid 6168] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6166] close(3 [pid 6176] memfd_create("syzkaller", 0 [pid 6175] <... write resumed>) = 4 [pid 6174] <... futex resumed>) = 0 [ 161.797508][ T6173] loop0: detected capacity change from 0 to 4096 [pid 6171] <... ioctl resumed>) = 0 [pid 6170] <... mkdirat resumed>) = 0 [pid 6166] <... close resumed>) = 0 [pid 6176] <... memfd_create resumed>) = 3 [pid 6175] close(3 [pid 6174] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6171] close(4 [pid 6170] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] close(4 [pid 6176] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6175] <... close resumed>) = 0 [pid 6171] <... close resumed>) = 0 [pid 6170] <... futex resumed>) = 1 [pid 6167] <... futex resumed>) = 0 [pid 6171] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6170] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6175] symlink("/dev/binderfs", "./binderfs" [pid 6171] <... futex resumed>) = 1 [pid 6170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6169] <... futex resumed>) = 0 [pid 6167] <... futex resumed>) = 0 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6170] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6167] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6175] <... symlink resumed>) = 0 [pid 6170] <... symlinkat resumed>) = 0 [pid 6169] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6166] close(5 [pid 6175] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] <... futex resumed>) = 0 [pid 6170] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... futex resumed>) = 1 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... futex resumed>) = 0 [pid 6171] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6170] <... futex resumed>) = 1 [pid 6169] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] <... futex resumed>) = 0 [pid 6166] close(6 [pid 6175] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6171] <... mkdirat resumed>) = 0 [pid 6170] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6167] close(3 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6173] <... mount resumed>) = 0 [pid 6171] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... close resumed>) = 0 [pid 6166] close(7 [pid 6175] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6173] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6171] <... futex resumed>) = 1 [pid 6169] <... futex resumed>) = 0 [pid 6167] close(4 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6175] <... mprotect resumed>) = 0 [pid 6173] <... openat resumed>) = 3 [pid 6171] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6169] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] close(8 [pid 6176] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6175] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6173] chdir("./file0" [pid 6171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] <... futex resumed>) = 0 [pid 6167] close(5./strace-static-x86_64: Process 6177 attached [pid 6173] <... chdir resumed>) = 0 [pid 6171] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6169] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] close(9 [pid 6177] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6175] <... clone resumed>, parent_tid=[179], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 179 [pid 6173] ioctl(4, LOOP_CLR_FD [pid 6167] close(6 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] <... set_robust_list resumed>) = 0 [pid 6175] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] <... ioctl resumed>) = 0 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] close(10 [pid 6175] <... futex resumed>) = 0 [pid 6167] close(7 [pid 6177] memfd_create("syzkaller", 0 [pid 6176] <... write resumed>) = 2097152 [pid 6175] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6173] close(4 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] <... memfd_create resumed>) = 3 [pid 6176] munmap(0x7f7a51cd9000, 2097152 [pid 6173] <... close resumed>) = 0 [pid 6171] <... symlinkat resumed>) = 0 [pid 6167] close(8 [pid 6166] close(11 [pid 6177] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6173] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6171] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6173] <... futex resumed>) = 1 [pid 6172] <... futex resumed>) = 0 [pid 6171] <... futex resumed>) = 1 [pid 6169] <... futex resumed>) = 0 [pid 6167] close(9 [pid 6166] close(12 [pid 6171] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6169] close(3 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] <... close resumed>) = 0 [pid 6167] close(10 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6173] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6172] <... futex resumed>) = 0 [pid 6169] close(4 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] close(13 [pid 6172] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(11 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6173] <... mkdirat resumed>) = 0 [pid 6169] close(5 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] close(14 [pid 6176] <... munmap resumed>) = 0 [pid 6173] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(12 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6173] <... futex resumed>) = 1 [pid 6172] <... futex resumed>) = 0 [pid 6169] close(6 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] close(15 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(13 [pid 6177] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6176] <... openat resumed>) = 4 [pid 6173] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6172] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] close(7 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] ioctl(4, LOOP_SET_FD, 3 [pid 6172] <... futex resumed>) = 0 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(14 [pid 6166] close(16 [pid 6172] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] <... ioctl resumed>) = 0 [pid 6173] <... symlinkat resumed>) = 0 [pid 6169] close(8 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] close(17 [pid 6176] close(3 [pid 6173] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(15 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] <... close resumed>) = 0 [pid 6173] <... futex resumed>) = 1 [pid 6172] <... futex resumed>) = 0 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(9 [pid 6166] close(18 [pid 6176] mkdir("./file0", 0777 [pid 6173] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6172] close(3 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(16 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] <... mkdir resumed>) = 0 [pid 6172] <... close resumed>) = 0 [pid 6166] close(19 [pid 6169] close(10 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6172] close(4 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(17 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] <... write resumed>) = 2097152 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(11 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] close(20 [pid 6177] munmap(0x7f7a51cd9000, 2097152 [pid 6172] close(5 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(18 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] <... munmap resumed>) = 0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(12 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] close(21 [pid 6172] close(6 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(19 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(13 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] close(22 [pid 6172] close(7 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(20 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(14 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] close(23 [pid 6177] <... openat resumed>) = 4 [pid 6172] close(8 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] close(21 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] ioctl(4, LOOP_SET_FD, 3 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 162.003346][ T6176] loop3: detected capacity change from 0 to 4096 [pid 6169] close(15 [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] close(24 [pid 6172] close(9 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] close(25 [pid 6172] close(10 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] close(26 [pid 6172] close(11 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] close(27 [pid 6172] close(12 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] close(28 [pid 6172] close(13 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] close(29 [pid 6172] close(14 [pid 6166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] exit_group(0 [pid 6172] close(15 [pid 6166] <... exit_group resumed>) = ? [pid 6177] <... ioctl resumed>) = 0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(16 [pid 6168] <... futex resumed>) = ? [pid 6167] close(22 [pid 6177] close(3 [pid 6172] close(16 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6168] +++ exited with 0 +++ [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6166] +++ exited with 0 +++ [pid 6177] <... close resumed>) = 0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(17 [pid 6167] close(23 [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6177] mkdir("./file0", 0777 [pid 6172] close(17 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6177] <... mkdir resumed>) = 0 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(18 [pid 6167] close(24 [pid 6177] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6172] close(18 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(19 [pid 6167] close(25 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6172] close(19 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(20 [pid 6167] close(26 [pid 5077] <... openat resumed>) = 3 [pid 6172] close(20 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] fstat(3, [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(21 [pid 6167] close(27 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6172] close(21 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] getdents64(3, [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(22 [pid 6167] close(28 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6172] close(22 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(23 [pid 6167] close(29 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6172] close(23 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./84/binderfs", [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(24 [pid 6167] exit_group(0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6176] <... mount resumed>) = 0 [pid 6172] close(24 [pid 6170] <... futex resumed>) = ? [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6167] <... exit_group resumed>) = ? [pid 5077] unlink("./84/binderfs" [pid 6176] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6170] +++ exited with 0 +++ [pid 6169] close(25 [pid 6167] +++ exited with 0 +++ [pid 5077] <... unlink resumed>) = 0 [pid 6176] <... openat resumed>) = 3 [pid 6172] close(25 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6176] chdir("./file0" [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(26 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 6176] <... chdir resumed>) = 0 [pid 6172] close(26 [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./84/cgroup", [pid 5076] umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6176] ioctl(4, LOOP_CLR_FD [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] close(27 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./84/cgroup" [pid 6176] <... ioctl resumed>) = 0 [pid 6172] close(27 [pid 6169] close(28 [pid 5077] <... unlink resumed>) = 0 [pid 5076] openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6176] close(4 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... openat resumed>) = 3 [pid 6176] <... close resumed>) = 0 [pid 6172] close(28 [pid 6169] close(29 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6169] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 162.047075][ T6177] loop1: detected capacity change from 0 to 4096 [pid 5077] lstat("./84/cgroup.net", [pid 6169] exit_group(0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6171] <... futex resumed>) = ? [pid 6169] <... exit_group resumed>) = ? [pid 5077] unlink("./84/cgroup.net" [pid 6176] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6171] +++ exited with 0 +++ [pid 6169] +++ exited with 0 +++ [pid 5077] <... unlink resumed>) = 0 [pid 5076] fstat(3, [pid 6176] <... futex resumed>) = 1 [pid 6174] <... futex resumed>) = 0 [pid 6172] close(29 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5077] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6176] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6174] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6174] <... futex resumed>) = 0 [pid 5076] getdents64(3, [pid 6174] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6176] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6172] exit_group(0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6173] <... futex resumed>) = ? [pid 6172] <... exit_group resumed>) = ? [pid 5079] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6173] +++ exited with 0 +++ [pid 6172] +++ exited with 0 +++ [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5079] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] lstat("./82/binderfs", [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 5079] <... openat resumed>) = 3 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... restart_syscall resumed>) = 0 [pid 6176] <... mkdirat resumed>) = 0 [pid 5079] fstat(3, [pid 5076] unlink("./82/binderfs" [pid 6176] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 6177] <... mount resumed>) = 0 [pid 6176] <... futex resumed>) = 1 [pid 6174] <... futex resumed>) = 0 [pid 5079] getdents64(3, [pid 5076] umount2("./82/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6177] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6176] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6177] <... openat resumed>) = 3 [pid 5079] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] lstat("./82/cgroup", [pid 6177] chdir("./file0" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6177] <... chdir resumed>) = 0 [pid 5079] lstat("./90/binderfs", [pid 5076] unlink("./82/cgroup" [pid 6177] ioctl(4, LOOP_CLR_FD [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 6177] <... ioctl resumed>) = 0 [pid 5079] unlink("./90/binderfs" [pid 5076] umount2("./82/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6177] close(4 [pid 5079] <... unlink resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6177] <... close resumed>) = 0 [pid 6174] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] lstat("./82/cgroup.net", [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6177] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] <... futex resumed>) = 0 [pid 6174] <... futex resumed>) = 1 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6177] <... futex resumed>) = 1 [pid 6176] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6175] <... futex resumed>) = 0 [pid 6174] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] lstat("./90/cgroup", [pid 5076] unlink("./82/cgroup.net" [pid 6177] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 6177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6175] <... futex resumed>) = 0 [pid 5079] unlink("./90/cgroup" [pid 5076] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] fstat(3, [pid 6177] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6175] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... unlink resumed>) = 0 [pid 5077] <... umount2 resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, [pid 5079] lstat("./90/cgroup.net", [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5079] unlink("./90/cgroup.net" [pid 5077] lstat("./84/file0", [pid 5074] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... unlink resumed>) = 0 [pid 5079] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./83/binderfs", [pid 5077] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] unlink("./83/binderfs" [pid 6177] <... mkdirat resumed>) = 0 [pid 6176] <... symlinkat resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./84/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... unlink resumed>) = 0 [pid 6177] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6176] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... openat resumed>) = 4 [pid 5074] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6177] <... futex resumed>) = 1 [pid 6176] <... futex resumed>) = 1 [pid 6175] <... futex resumed>) = 0 [pid 6174] <... futex resumed>) = 0 [pid 5077] fstat(4, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6177] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6176] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6174] close(3 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] lstat("./83/cgroup", [pid 6177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6175] <... futex resumed>) = 0 [pid 6174] <... close resumed>) = 0 [pid 5077] getdents64(4, [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6177] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6174] close(4 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] unlink("./83/cgroup" [pid 6177] <... symlinkat resumed>) = 0 [pid 6175] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] getdents64(4, [pid 5074] <... unlink resumed>) = 0 [pid 6177] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6174] close(5 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6177] <... futex resumed>) = 0 [pid 6175] close(3 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = 0 [pid 5077] close(4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6177] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6175] <... close resumed>) = 0 [pid 6174] close(6 [pid 5077] <... close resumed>) = 0 [pid 5074] lstat("./83/cgroup.net", [pid 6175] close(4 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] rmdir("./84/file0" [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] close(7 [pid 5077] <... rmdir resumed>) = 0 [pid 5074] unlink("./83/cgroup.net" [pid 6175] close(5 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... unlink resumed>) = 0 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] close(8 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6175] close(6 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./84/cgroup.cpu", [pid 6174] close(9 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./84/cgroup.cpu" [pid 6174] close(10 [pid 5077] <... unlink resumed>) = 0 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] getdents64(3, [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] close(11 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6175] close(7 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(3 [pid 5074] <... umount2 resumed>) = 0 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] close(12 [pid 5077] <... close resumed>) = 0 [pid 6175] close(8 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] rmdir("./84" [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] close(13 [pid 5077] <... rmdir resumed>) = 0 [pid 6175] close(9 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] mkdir("./85", 0777 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] close(14 [pid 5077] <... mkdir resumed>) = 0 [pid 6175] close(10 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] close(15 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... openat resumed>) = 3 [pid 5076] <... umount2 resumed>) = 0 [pid 6175] close(11 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./90/file0", [pid 5077] ioctl(3, LOOP_CLR_FD [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] close(16 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6175] close(12 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] close(3 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] close(17 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... close resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] openat(AT_FDCWD, "./90/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6178 attached [pid 6175] close(13 [pid 6174] close(18 [pid 5079] <... openat resumed>) = 4 [pid 6178] set_robust_list(0x5555562845e0, 24 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] fstat(4, [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 172 [pid 5074] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6178] <... set_robust_list resumed>) = 0 [pid 6175] close(14 [pid 6174] close(19 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] lstat("./82/file0", [pid 6178] chdir("./85" [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(4, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6178] <... chdir resumed>) = 0 [pid 6175] close(15 [pid 6174] close(20 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(4, [pid 5076] umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./83/file0", [pid 6178] <... prctl resumed>) = 0 [pid 6175] close(16 [pid 6174] close(21 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6178] setpgid(0, 0 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(4 [pid 5074] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6178] <... setpgid resumed>) = 0 [pid 6175] close(17 [pid 6174] close(22 [pid 5079] <... close resumed>) = 0 [pid 5076] openat(AT_FDCWD, "./82/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6178] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./90/file0" [pid 5076] <... openat resumed>) = 4 [pid 5074] openat(AT_FDCWD, "./83/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6178] <... symlink resumed>) = 0 [pid 6175] close(18 [pid 6174] close(23 [pid 5079] <... rmdir resumed>) = 0 [pid 5076] fstat(4, [pid 5074] <... openat resumed>) = 4 [pid 6178] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] fstat(4, [pid 6178] <... symlink resumed>) = 0 [pid 6175] close(19 [pid 6174] close(24 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] getdents64(4, [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6178] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./90/cgroup.cpu", [pid 5074] getdents64(4, [pid 6174] close(25 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./90/cgroup.cpu" [pid 5074] getdents64(4, [pid 6174] close(26 [pid 5079] <... unlink resumed>) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(3, [pid 5074] close(4 [pid 6174] close(27 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] <... close resumed>) = 0 [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(3 [pid 5074] rmdir("./83/file0" [pid 6178] <... symlink resumed>) = 0 [pid 6175] close(20 [pid 6174] close(28 [pid 5079] <... close resumed>) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] <... rmdir resumed>) = 0 [pid 6178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./90" [pid 5076] getdents64(4, [pid 5074] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6178] <... openat resumed>) = 3 [pid 6175] close(21 [pid 6174] close(29 [pid 5079] <... rmdir resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6178] write(3, "1000", 4 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] mkdir("./91", 0777 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] lstat("./83/cgroup.cpu", [pid 6178] <... write resumed>) = 4 [pid 6175] close(22 [pid 6174] exit_group(0 [pid 5079] <... mkdir resumed>) = 0 [pid 5076] close(4 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6178] close(3 [pid 6176] <... futex resumed>) = ? [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6174] <... exit_group resumed>) = ? [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5076] <... close resumed>) = 0 [pid 5074] unlink("./83/cgroup.cpu" [pid 6178] <... close resumed>) = 0 [pid 6176] +++ exited with 0 +++ [pid 6175] close(23 [pid 6174] +++ exited with 0 +++ [pid 5079] <... openat resumed>) = 3 [pid 5076] rmdir("./82/file0" [pid 5074] <... unlink resumed>) = 0 [pid 6178] symlink("/dev/binderfs", "./binderfs" [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5074] getdents64(3, [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] <... rmdir resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6178] <... symlink resumed>) = 0 [pid 6175] close(24 [pid 5079] close(3 [pid 5076] umount2("./82/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5074] close(3 [pid 6178] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] rmdir("./83"./strace-static-x86_64: Process 6179 attached [pid 6178] <... futex resumed>) = 0 [pid 6175] close(25 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... rmdir resumed>) = 0 [pid 6179] set_robust_list(0x5555562845e0, 24 [pid 6178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 184 [pid 5076] lstat("./82/cgroup.cpu", [pid 5075] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] mkdir("./84", 0777 [pid 6179] <... set_robust_list resumed>) = 0 [pid 6178] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6175] close(26 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6179] chdir("./91" [pid 6178] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] unlink("./82/cgroup.cpu" [pid 5075] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... mkdir resumed>) = 0 [pid 6179] <... chdir resumed>) = 0 [pid 6178] <... mprotect resumed>) = 0 [pid 6175] close(27 [pid 6179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6178] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... openat resumed>) = 3 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 6180 attached [pid 6179] <... prctl resumed>) = 0 [pid 6175] close(28 [pid 5076] getdents64(3, [pid 5075] fstat(3, [pid 6180] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6179] setpgid(0, 0 [pid 6178] <... clone resumed>, parent_tid=[173], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 173 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... openat resumed>) = 3 [pid 6180] <... set_robust_list resumed>) = 0 [pid 6179] <... setpgid resumed>) = 0 [pid 6178] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6175] close(29 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] getdents64(3, [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6180] memfd_create("syzkaller", 0 [pid 6178] <... futex resumed>) = 0 [pid 6175] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] close(3 [pid 6179] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6178] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6175] exit_group(0 [pid 5076] <... close resumed>) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6179] <... symlink resumed>) = 0 [pid 6177] <... futex resumed>) = ? [pid 6175] <... exit_group resumed>) = ? [pid 5076] rmdir("./82" [pid 5075] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] close(3 [pid 6180] <... memfd_create resumed>) = 3 [pid 6179] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6177] +++ exited with 0 +++ [pid 6175] +++ exited with 0 +++ [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 [pid 6179] <... symlink resumed>) = 0 [pid 5076] mkdir("./83", 0777 [pid 5075] lstat("./84/binderfs", [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6179] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5076] <... mkdir resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5078] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6181 attached [pid 6180] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] unlink("./84/binderfs" [pid 6179] <... symlink resumed>) = 0 [pid 6181] set_robust_list(0x5555562845e0, 24 [pid 5078] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6181] <... set_robust_list resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 6181] chdir("./84" [pid 5078] fstat(3, [pid 5076] <... openat resumed>) = 3 [pid 5075] <... unlink resumed>) = 0 [pid 6181] <... chdir resumed>) = 0 [pid 6179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 170 [pid 6181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] getdents64(3, [pid 6181] <... prctl resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6181] setpgid(0, 0 [pid 5078] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6181] <... setpgid resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6181] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5078] lstat("./88/binderfs", [pid 6181] <... symlink resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6181] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5078] unlink("./88/binderfs" [pid 6181] <... symlink resumed>) = 0 [pid 6179] <... openat resumed>) = 3 [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6181] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6179] write(3, "1000", 4 [pid 5078] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] close(3 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6181] <... symlink resumed>) = 0 [pid 6179] <... write resumed>) = 4 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... close resumed>) = 0 [pid 5075] lstat("./84/cgroup", [pid 6181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] lstat("./88/cgroup", [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6181] <... openat resumed>) = 3 [pid 6179] close(3 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6181] write(3, "1000", 4 [pid 5078] unlink("./88/cgroup"./strace-static-x86_64: Process 6182 attached [pid 6181] <... write resumed>) = 4 [pid 6179] <... close resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5075] unlink("./84/cgroup" [pid 6182] set_robust_list(0x5555562845e0, 24 [pid 6181] close(3 [pid 6179] symlink("/dev/binderfs", "./binderfs" [pid 5078] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 168 [pid 6182] <... set_robust_list resumed>) = 0 [pid 6181] <... close resumed>) = 0 [pid 6179] <... symlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... unlink resumed>) = 0 [pid 6182] chdir("./83" [pid 6181] symlink("/dev/binderfs", "./binderfs" [pid 6179] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] lstat("./88/cgroup.net", [pid 5075] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6182] <... chdir resumed>) = 0 [pid 6181] <... symlink resumed>) = 0 [pid 6179] <... futex resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6181] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] unlink("./88/cgroup.net" [pid 5075] lstat("./84/cgroup.net", [pid 6182] <... prctl resumed>) = 0 [pid 6181] <... futex resumed>) = 0 [pid 6180] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6179] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6182] setpgid(0, 0 [pid 6181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6182] <... setpgid resumed>) = 0 [pid 6181] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6179] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5075] unlink("./84/cgroup.net" [pid 6181] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6179] <... mprotect resumed>) = 0 [pid 6182] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6181] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5075] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6183 attached [pid 6182] <... symlink resumed>) = 0 [pid 6179] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6183] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6182] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6181] <... clone resumed>, parent_tid=[171], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 171 ./strace-static-x86_64: Process 6184 attached [pid 6183] <... set_robust_list resumed>) = 0 [pid 6182] <... symlink resumed>) = 0 [pid 6181] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6183] memfd_create("syzkaller", 0 [pid 6181] <... futex resumed>) = 0 [pid 6184] <... set_robust_list resumed>) = 0 [pid 6183] <... memfd_create resumed>) = 3 [pid 6182] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6181] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6179] <... clone resumed>, parent_tid=[185], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 185 [pid 6183] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6182] <... symlink resumed>) = 0 [pid 6179] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] memfd_create("syzkaller", 0 [pid 6183] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6179] <... futex resumed>) = 0 [pid 6184] <... memfd_create resumed>) = 3 [pid 6182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6179] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6182] <... openat resumed>) = 3 [pid 6184] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6182] write(3, "1000", 4) = 4 [pid 6182] close(3) = 0 [pid 6182] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6182] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6182] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6182] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6185 attached [pid 6185] set_robust_list(0x7f7a5a0f99e0, 24) = 0 [pid 6182] <... clone resumed>, parent_tid=[169], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 169 [pid 6185] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6182] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6182] <... futex resumed>) = 0 [pid 6185] memfd_create("syzkaller", 0 [pid 6182] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5075] <... umount2 resumed>) = 0 [pid 6185] <... memfd_create resumed>) = 3 [pid 6185] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 6184] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5078] <... umount2 resumed>) = 0 [pid 5075] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./84/file0", [pid 5078] lstat("./88/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6183] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./88/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... openat resumed>) = 4 [pid 5075] openat(AT_FDCWD, "./84/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... openat resumed>) = 4 [pid 5078] getdents64(4, [pid 5075] fstat(4, [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] getdents64(4, [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] getdents64(4, [pid 5078] close(4) = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] rmdir("./88/file0" [pid 5075] getdents64(4, [pid 5078] <... rmdir resumed>) = 0 [pid 5078] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] close(4 [pid 5078] lstat("./88/cgroup.cpu", [pid 5075] <... close resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./88/cgroup.cpu" [pid 5075] rmdir("./84/file0" [pid 5078] <... unlink resumed>) = 0 [pid 5078] getdents64(3, [pid 5075] <... rmdir resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] close(3) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] rmdir("./88" [pid 5075] lstat("./84/cgroup.cpu", [pid 5078] <... rmdir resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] mkdir("./89", 0777 [pid 5075] unlink("./84/cgroup.cpu" [pid 5078] <... mkdir resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5075] getdents64(3, [pid 5078] <... openat resumed>) = 3 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5075] close(3 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] close(3 [pid 5075] <... close resumed>) = 0 [pid 6180] <... write resumed>) = 2097152 [pid 5078] <... close resumed>) = 0 [pid 5075] rmdir("./84" [pid 6180] munmap(0x7f7a51cd9000, 2097152 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6186 attached [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 180 [pid 6186] set_robust_list(0x5555562845e0, 24 [pid 6180] <... munmap resumed>) = 0 [pid 5075] mkdir("./85", 0777 [pid 6186] <... set_robust_list resumed>) = 0 [pid 6180] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5075] <... mkdir resumed>) = 0 [pid 6186] chdir("./89" [pid 6180] <... openat resumed>) = 4 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6186] <... chdir resumed>) = 0 [pid 6180] ioctl(4, LOOP_SET_FD, 3 [pid 6186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] <... openat resumed>) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6186] <... prctl resumed>) = 0 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6186] setpgid(0, 0) = 0 [pid 5075] close(3 [pid 6186] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6185] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6184] <... write resumed>) = 2097152 [pid 6180] <... ioctl resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6186] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6187 attached [pid 6186] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6183] <... write resumed>) = 2097152 [pid 6180] close(3 [pid 6187] set_robust_list(0x5555562845e0, 24) = 0 [pid 6187] chdir("./85") = 0 [pid 6186] <... symlink resumed>) = 0 [pid 6183] munmap(0x7f7a51cd9000, 2097152 [pid 6180] <... close resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 172 [pid 6186] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6180] mkdir("./file0", 0777 [pid 6187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6186] <... symlink resumed>) = 0 [pid 6187] <... prctl resumed>) = 0 [pid 6187] setpgid(0, 0 [pid 6186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6180] <... mkdir resumed>) = 0 [pid 6187] <... setpgid resumed>) = 0 [pid 6187] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6186] <... openat resumed>) = 3 [pid 6180] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6187] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6186] write(3, "1000", 4 [pid 6187] <... symlink resumed>) = 0 [pid 6186] <... write resumed>) = 4 [pid 6184] munmap(0x7f7a51cd9000, 2097152 [pid 6183] <... munmap resumed>) = 0 [pid 6187] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6186] close(3 [pid 6187] <... symlink resumed>) = 0 [pid 6187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6186] <... close resumed>) = 0 [pid 6187] <... openat resumed>) = 3 [pid 6186] symlink("/dev/binderfs", "./binderfs" [ 162.625436][ T6180] loop5: detected capacity change from 0 to 4096 [pid 6183] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6187] write(3, "1000", 4 [pid 6186] <... symlink resumed>) = 0 [pid 6184] <... munmap resumed>) = 0 [pid 6183] <... openat resumed>) = 4 [pid 6187] <... write resumed>) = 4 [pid 6186] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] ioctl(4, LOOP_SET_FD, 3 [pid 6187] close(3 [pid 6186] <... futex resumed>) = 0 [pid 6184] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6187] <... close resumed>) = 0 [pid 6187] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6187] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6187] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6187] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6188 attached [pid 6186] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6184] <... openat resumed>) = 4 [pid 6188] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6187] <... clone resumed>, parent_tid=[173], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 173 [pid 6188] <... set_robust_list resumed>) = 0 [pid 6187] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6184] ioctl(4, LOOP_SET_FD, 3 [pid 6188] memfd_create("syzkaller", 0 [pid 6187] <... futex resumed>) = 0 [pid 6186] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6183] <... ioctl resumed>) = 0 [pid 6180] <... mount resumed>) = 0 [pid 6188] <... memfd_create resumed>) = 3 [pid 6187] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6188] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 6186] <... mprotect resumed>) = 0 [pid 6184] <... ioctl resumed>) = 0 [pid 6183] close(3 [pid 6180] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6185] <... write resumed>) = 2097152 [pid 6186] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6185] munmap(0x7f7a51cd9000, 2097152 [pid 6184] close(3 [pid 6183] <... close resumed>) = 0 [pid 6180] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6189 attached [pid 6184] <... close resumed>) = 0 [pid 6183] mkdir("./file0", 0777 [pid 6189] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6186] <... clone resumed>, parent_tid=[181], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 181 [pid 6185] <... munmap resumed>) = 0 [pid 6184] mkdir("./file0", 0777 [pid 6183] <... mkdir resumed>) = 0 [pid 6180] chdir("./file0" [pid 6185] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6180] <... chdir resumed>) = 0 [pid 6180] ioctl(4, LOOP_CLR_FD) = 0 [pid 6180] close(4 [ 162.694724][ T6183] loop0: detected capacity change from 0 to 4096 [ 162.721595][ T6184] loop2: detected capacity change from 0 to 4096 [pid 6189] <... set_robust_list resumed>) = 0 [pid 6188] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6186] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... openat resumed>) = 4 [pid 6184] <... mkdir resumed>) = 0 [pid 6183] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6180] <... close resumed>) = 0 [pid 6185] ioctl(4, LOOP_SET_FD, 3 [pid 6180] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] memfd_create("syzkaller", 0 [pid 6186] <... futex resumed>) = 0 [pid 6184] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6180] <... futex resumed>) = 1 [pid 6178] <... futex resumed>) = 0 [pid 6189] <... memfd_create resumed>) = 3 [pid 6186] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6185] <... ioctl resumed>) = 0 [pid 6180] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6185] close(3 [pid 6180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6178] <... futex resumed>) = 0 [pid 6189] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6185] <... close resumed>) = 0 [pid 6180] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6178] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6185] mkdir("./file0", 0777 [pid 6180] <... mkdirat resumed>) = 0 [pid 6185] <... mkdir resumed>) = 0 [pid 6180] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6180] <... futex resumed>) = 1 [pid 6178] <... futex resumed>) = 0 [pid 6180] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6178] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6180] <... symlinkat resumed>) = 0 [pid 6178] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6180] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6180] <... futex resumed>) = 0 [pid 6178] close(3 [pid 6180] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6178] <... close resumed>) = 0 [pid 6178] close(4) = -1 EBADF (Bad file descriptor) [pid 6178] close(5) = -1 EBADF (Bad file descriptor) [ 162.754091][ T6185] loop4: detected capacity change from 0 to 4096 [pid 6178] close(6) = -1 EBADF (Bad file descriptor) [pid 6178] close(7) = -1 EBADF (Bad file descriptor) [pid 6178] close(8) = -1 EBADF (Bad file descriptor) [pid 6178] close(9) = -1 EBADF (Bad file descriptor) [pid 6178] close(10) = -1 EBADF (Bad file descriptor) [pid 6178] close(11) = -1 EBADF (Bad file descriptor) [pid 6178] close(12) = -1 EBADF (Bad file descriptor) [pid 6178] close(13) = -1 EBADF (Bad file descriptor) [pid 6178] close(14) = -1 EBADF (Bad file descriptor) [pid 6178] close(15) = -1 EBADF (Bad file descriptor) [pid 6178] close(16) = -1 EBADF (Bad file descriptor) [pid 6178] close(17) = -1 EBADF (Bad file descriptor) [pid 6178] close(18) = -1 EBADF (Bad file descriptor) [pid 6178] close(19) = -1 EBADF (Bad file descriptor) [pid 6178] close(20 [pid 6184] <... mount resumed>) = 0 [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6178] close(21 [pid 6184] <... openat resumed>) = 3 [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... mount resumed>) = 0 [pid 6184] chdir("./file0" [pid 6178] close(22 [pid 6189] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6188] <... write resumed>) = 2097152 [pid 6185] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6184] <... chdir resumed>) = 0 [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] munmap(0x7f7a51cd9000, 2097152 [pid 6185] <... openat resumed>) = 3 [pid 6184] ioctl(4, LOOP_CLR_FD [pid 6183] <... mount resumed>) = 0 [pid 6178] close(23 [pid 6185] chdir("./file0" [pid 6184] <... ioctl resumed>) = 0 [pid 6183] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... chdir resumed>) = 0 [pid 6184] close(4 [pid 6183] <... openat resumed>) = 3 [pid 6178] close(24 [pid 6185] ioctl(4, LOOP_CLR_FD [pid 6184] <... close resumed>) = 0 [pid 6183] chdir("./file0" [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... ioctl resumed>) = 0 [pid 6184] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] <... chdir resumed>) = 0 [pid 6178] close(25 [pid 6185] close(4 [pid 6184] <... futex resumed>) = 1 [pid 6183] ioctl(4, LOOP_CLR_FD [pid 6179] <... futex resumed>) = 0 [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] <... close resumed>) = 0 [pid 6184] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6183] <... ioctl resumed>) = 0 [pid 6179] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] close(26 [pid 6188] <... munmap resumed>) = 0 [pid 6185] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6183] close(4 [pid 6179] <... futex resumed>) = 0 [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6185] <... futex resumed>) = 1 [pid 6184] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6183] <... close resumed>) = 0 [pid 6182] <... futex resumed>) = 0 [pid 6179] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6178] close(27 [pid 6188] <... openat resumed>) = 4 [pid 6185] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6184] <... mkdirat resumed>) = 0 [pid 6183] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] <... write resumed>) = 2097152 [pid 6188] ioctl(4, LOOP_SET_FD, 3 [pid 6185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6184] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] <... futex resumed>) = 1 [pid 6182] <... futex resumed>) = 0 [pid 6181] <... futex resumed>) = 0 [pid 6178] close(28 [pid 6184] <... futex resumed>) = 1 [pid 6183] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6181] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6184] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6181] <... futex resumed>) = 0 [pid 6178] close(29 [pid 6183] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6181] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6178] exit_group(0) = ? [pid 6185] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6182] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6180] <... futex resumed>) = ? [pid 6179] <... futex resumed>) = 0 [pid 6180] +++ exited with 0 +++ [pid 6178] +++ exited with 0 +++ [pid 6179] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6185] <... mkdirat resumed>) = 0 [pid 6184] <... futex resumed>) = 0 [pid 6183] <... mkdirat resumed>) = 0 [pid 6179] <... futex resumed>) = 1 [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6189] munmap(0x7f7a51cd9000, 2097152 [pid 6188] <... ioctl resumed>) = 0 [pid 6185] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6183] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6179] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6189] <... munmap resumed>) = 0 [pid 6188] close(3 [pid 6185] <... futex resumed>) = 1 [pid 6182] <... futex resumed>) = 0 [pid 6189] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6188] <... close resumed>) = 0 [pid 6185] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6182] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6189] <... openat resumed>) = 4 [pid 6188] mkdir("./file0", 0777 [pid 6185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6182] <... futex resumed>) = 0 [pid 6189] ioctl(4, LOOP_SET_FD, 3 [pid 6188] <... mkdir resumed>) = 0 [pid 6185] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6182] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6188] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6185] <... symlinkat resumed>) = 0 [pid 6184] <... symlinkat resumed>) = 0 [pid 6183] <... futex resumed>) = 1 [pid 6181] <... futex resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6185] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6184] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6183] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6181] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6185] <... futex resumed>) = 1 [pid 6184] <... futex resumed>) = 1 [pid 6183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6182] <... futex resumed>) = 0 [pid 6181] <... futex resumed>) = 0 [pid 6179] <... futex resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 6189] <... ioctl resumed>) = 0 [pid 6185] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6184] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6183] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6182] close(3 [pid 6181] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6179] close(3 [pid 5077] fstat(3, [pid 6189] close(3 [pid 6182] <... close resumed>) = 0 [pid 6179] <... close resumed>) = 0 [pid 6189] <... close resumed>) = 0 [pid 6182] close(4 [pid 6179] close(4 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6189] mkdir("./file0", 0777 [pid 6183] <... symlinkat resumed>) = 0 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] getdents64(3, [pid 6189] <... mkdir resumed>) = 0 [pid 6183] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] close(5 [pid 6179] close(5 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6189] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6183] <... futex resumed>) = 1 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... futex resumed>) = 0 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6183] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6182] close(6 [pid 6181] close(3 [pid 6179] close(6 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = 0 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 162.916661][ T6188] loop3: detected capacity change from 0 to 4096 [ 162.949018][ T6189] loop1: detected capacity change from 0 to 4096 [pid 5077] lstat("./85/binderfs", [pid 6182] close(7 [pid 6181] close(4 [pid 6179] close(7 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./85/binderfs" [pid 6182] close(8 [pid 6181] close(5 [pid 6179] close(8 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] close(9 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(9 [pid 5077] <... unlink resumed>) = 0 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] close(10 [pid 6181] close(6 [pid 6179] close(10 [pid 5077] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6182] close(11 [pid 6181] close(7 [pid 6179] close(11 [pid 5077] lstat("./85/cgroup", [pid 6188] <... mount resumed>) = 0 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6188] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6182] close(12 [pid 6181] close(8 [pid 6179] close(12 [pid 5077] unlink("./85/cgroup" [pid 6188] <... openat resumed>) = 3 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] chdir("./file0" [pid 6182] close(13 [pid 6181] close(9 [pid 6179] close(13 [pid 5077] <... unlink resumed>) = 0 [pid 6188] <... chdir resumed>) = 0 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6188] ioctl(4, LOOP_CLR_FD [pid 6182] close(14 [pid 6181] close(10 [pid 6179] close(14 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6188] <... ioctl resumed>) = 0 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./85/cgroup.net", [pid 6188] close(4 [pid 6182] close(15 [pid 6181] close(11 [pid 6179] close(15 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6188] <... close resumed>) = 0 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./85/cgroup.net" [pid 6188] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] close(16 [pid 6181] close(12 [pid 6179] close(16 [pid 6188] <... futex resumed>) = 1 [pid 6187] <... futex resumed>) = 0 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 6188] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6182] close(17 [pid 6179] close(17 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] close(18 [pid 6181] close(13 [pid 6179] close(18 [pid 5077] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6188] <... futex resumed>) = 0 [pid 6187] <... futex resumed>) = 1 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6182] close(19 [pid 6179] close(19 [pid 6187] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] close(14 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... mkdirat resumed>) = 0 [pid 6182] close(20 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(20 [pid 6188] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] close(15 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6188] <... futex resumed>) = 1 [pid 6187] <... futex resumed>) = 0 [pid 6182] close(21 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(21 [pid 6189] <... mount resumed>) = 0 [pid 6188] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6187] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] close(16 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6187] <... futex resumed>) = 0 [pid 6182] close(22 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(22 [pid 6189] <... openat resumed>) = 3 [pid 6188] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6187] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] close(17 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] chdir("./file0" [pid 6188] <... symlinkat resumed>) = 0 [pid 6182] close(23 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(23 [pid 6189] <... chdir resumed>) = 0 [pid 6188] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] close(18 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = 0 [pid 6189] ioctl(4, LOOP_CLR_FD [pid 6188] <... futex resumed>) = 1 [pid 6187] <... futex resumed>) = 0 [pid 6182] close(24 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(24 [pid 5077] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6189] <... ioctl resumed>) = 0 [pid 6188] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6187] close(3 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] close(19 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6189] close(4 [pid 6187] <... close resumed>) = 0 [pid 6182] close(25 [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] close(25 [pid 5077] lstat("./85/file0", [pid 6189] <... close resumed>) = 0 [pid 6187] close(4 [pid 6181] close(20 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] close(5 [pid 6181] close(21 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] close(6 [pid 6181] close(22 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] close(7 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] close(23 [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] close(8 [pid 6181] close(24 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] close(9 [pid 6181] close(25 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] close(10 [pid 6181] close(26 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] close(11 [pid 6181] close(27 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6187] close(12 [pid 6181] close(28 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6189] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] close(13 [pid 6182] close(26 [pid 6181] close(29 [pid 6179] close(26 [pid 5077] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6189] <... futex resumed>) = 1 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... futex resumed>) = 0 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6187] close(14 [pid 6186] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6181] exit_group(0 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] <... futex resumed>) = 0 [pid 6183] <... futex resumed>) = ? [pid 6181] <... exit_group resumed>) = ? [pid 6187] close(15 [pid 6186] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6183] +++ exited with 0 +++ [pid 6181] +++ exited with 0 +++ [pid 6189] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] close(27 [pid 6179] close(27 [pid 5077] openat(AT_FDCWD, "./85/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6187] close(16) = -1 EBADF (Bad file descriptor) [pid 6187] close(17) = -1 EBADF (Bad file descriptor) [pid 6187] close(18) = -1 EBADF (Bad file descriptor) [pid 6187] close(19) = -1 EBADF (Bad file descriptor) [pid 6187] close(20) = -1 EBADF (Bad file descriptor) [pid 6187] close(21) = -1 EBADF (Bad file descriptor) [pid 6187] close(22) = -1 EBADF (Bad file descriptor) [pid 6187] close(23) = -1 EBADF (Bad file descriptor) [pid 6187] close(24) = -1 EBADF (Bad file descriptor) [pid 6187] close(25) = -1 EBADF (Bad file descriptor) [pid 6187] close(26 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... openat resumed>) = 4 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] close(28 [pid 6179] close(28 [pid 5077] fstat(4, [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6187] close(27 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] close(29 [pid 6179] close(29 [pid 5077] getdents64(4, [pid 5074] <... restart_syscall resumed>) = 0 [pid 6187] close(28 [pid 6182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6179] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6182] exit_group(0 [pid 6179] exit_group(0 [pid 5077] getdents64(4, [pid 6189] <... mkdirat resumed>) = 0 [pid 6187] close(29 [pid 6185] <... futex resumed>) = ? [pid 6184] <... futex resumed>) = ? [pid 6182] <... exit_group resumed>) = ? [pid 6179] <... exit_group resumed>) = ? [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6189] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6187] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6185] +++ exited with 0 +++ [pid 6184] +++ exited with 0 +++ [pid 6187] exit_group(0 [pid 6182] +++ exited with 0 +++ [pid 6187] <... exit_group resumed>) = ? [pid 6179] +++ exited with 0 +++ [pid 6189] <... futex resumed>) = 1 [pid 6188] <... futex resumed>) = ? [pid 6186] <... futex resumed>) = 0 [pid 5077] close(4 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=168, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5074] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6189] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6186] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6186] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6188] +++ exited with 0 +++ [pid 6187] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5077] <... close resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6189] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5077] rmdir("./85/file0" [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5074] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... restart_syscall resumed>) = 0 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... openat resumed>) = 3 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] fstat(3, [pid 6189] <... symlinkat resumed>) = 0 [pid 5079] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] lstat("./85/cgroup.cpu", [pid 5076] <... openat resumed>) = 3 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6189] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] fstat(3, [pid 5075] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] getdents64(3, [pid 6189] <... futex resumed>) = 1 [pid 6186] <... futex resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] unlink("./85/cgroup.cpu" [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... openat resumed>) = 3 [pid 6189] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6186] close(3 [pid 5079] <... openat resumed>) = 3 [pid 5077] <... unlink resumed>) = 0 [pid 5076] getdents64(3, [pid 5075] fstat(3, [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6186] <... close resumed>) = 0 [pid 5079] fstat(3, [pid 5077] getdents64(3, [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6186] close(4 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] getdents64(3, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(3, [pid 5077] close(3 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./84/binderfs", [pid 6186] close(5 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5077] <... close resumed>) = 0 [pid 5076] lstat("./83/binderfs", [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] rmdir("./85" [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./84/binderfs" [pid 6186] close(6 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... rmdir resumed>) = 0 [pid 5076] unlink("./83/binderfs" [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... unlink resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./91/binderfs", [pid 5077] mkdir("./86", 0777 [pid 5076] <... unlink resumed>) = 0 [pid 5075] lstat("./85/binderfs", [pid 5074] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6186] close(7 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] <... mkdir resumed>) = 0 [pid 5076] umount2("./83/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./91/binderfs" [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] unlink("./85/binderfs" [pid 5074] lstat("./84/cgroup", [pid 6186] close(8 [pid 5079] <... unlink resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 5076] lstat("./83/cgroup", [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] unlink("./84/cgroup" [pid 6186] close(9 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] unlink("./83/cgroup" [pid 5075] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... unlink resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./91/cgroup", [pid 5077] close(3 [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6186] close(10 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] <... close resumed>) = 0 [pid 5076] umount2("./83/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] unlink("./91/cgroup" [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./84/cgroup.net", ./strace-static-x86_64: Process 6190 attached [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5076] lstat("./83/cgroup.net", [pid 5075] lstat("./85/cgroup", [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 174 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] unlink("./84/cgroup.net" [pid 6190] set_robust_list(0x5555562845e0, 24 [pid 6186] close(11 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] unlink("./83/cgroup.net" [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 6190] <... set_robust_list resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./91/cgroup.net", [pid 5076] <... unlink resumed>) = 0 [pid 5075] unlink("./85/cgroup" [pid 5074] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6190] chdir("./86" [pid 6186] close(12 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6190] <... chdir resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./91/cgroup.net" [pid 5075] <... unlink resumed>) = 0 [pid 6190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6186] close(13 [pid 5079] <... unlink resumed>) = 0 [pid 5075] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6190] <... prctl resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6190] setpgid(0, 0 [pid 6186] close(14 [pid 5075] lstat("./85/cgroup.net", [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6186] close(15 [pid 6190] <... setpgid resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] unlink("./85/cgroup.net" [pid 6190] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6186] close(16 [pid 5075] <... unlink resumed>) = 0 [pid 6190] <... symlink resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6190] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6186] close(17 [pid 6190] <... symlink resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6186] close(18 [pid 6190] <... symlink resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6186] close(19 [pid 6190] <... openat resumed>) = 3 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] write(3, "1000", 4 [pid 6186] close(20 [pid 6190] <... write resumed>) = 4 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] close(3 [pid 6186] close(21 [pid 6190] <... close resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] symlink("/dev/binderfs", "./binderfs" [pid 6186] close(22 [pid 6190] <... symlink resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] close(23 [pid 6190] <... futex resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6186] close(24 [pid 6190] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6186] close(25 [pid 6190] <... mprotect resumed>) = 0 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6186] close(26./strace-static-x86_64: Process 6191 attached ) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = 0 [pid 6191] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6190] <... clone resumed>, parent_tid=[175], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 175 [pid 6186] close(27 [pid 6191] <... set_robust_list resumed>) = 0 [pid 6190] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] memfd_create("syzkaller", 0 [pid 6190] <... futex resumed>) = 0 [pid 6186] close(28 [pid 6191] <... memfd_create resumed>) = 3 [pid 6190] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6191] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6186] close(29 [pid 6191] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6186] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6186] exit_group(0 [pid 5076] <... umount2 resumed>) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 6189] <... futex resumed>) = ? [pid 6186] <... exit_group resumed>) = ? [pid 6191] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6189] +++ exited with 0 +++ [pid 5079] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6186] +++ exited with 0 +++ [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./91/file0", [pid 5076] lstat("./83/file0", [pid 5074] lstat("./84/file0", [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5076] umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... restart_syscall resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./91/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] openat(AT_FDCWD, "./83/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] openat(AT_FDCWD, "./84/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... openat resumed>) = 4 [pid 5076] <... openat resumed>) = 4 [pid 5074] <... openat resumed>) = 4 [pid 5079] fstat(4, [pid 5078] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] fstat(4, [pid 5074] fstat(4, [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(4, [pid 5078] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] getdents64(4, [pid 5074] getdents64(4, [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] <... openat resumed>) = 3 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5079] getdents64(4, [pid 5078] fstat(3, [pid 5076] getdents64(4, [pid 5074] getdents64(4, [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5079] close(4 [pid 5078] getdents64(3, [pid 5076] close(4 [pid 5074] close(4 [pid 5079] <... close resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5079] rmdir("./91/file0" [pid 5078] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] rmdir("./83/file0" [pid 5075] <... umount2 resumed>) = 0 [pid 5074] rmdir("./84/file0" [pid 5079] <... rmdir resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... rmdir resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5079] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] lstat("./89/binderfs", [pid 5076] umount2("./83/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./91/cgroup.cpu", [pid 5078] unlink("./89/binderfs" [pid 5076] lstat("./83/cgroup.cpu", [pid 5074] lstat("./84/cgroup.cpu", [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./91/cgroup.cpu" [pid 5078] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] unlink("./83/cgroup.cpu" [pid 5074] unlink("./84/cgroup.cpu" [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... unlink resumed>) = 0 [pid 5075] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... unlink resumed>) = 0 [pid 5079] getdents64(3, [pid 5078] lstat("./89/cgroup", [pid 5076] getdents64(3, [pid 5074] getdents64(3, [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5079] close(3 [pid 5078] unlink("./89/cgroup" [pid 5076] close(3 [pid 5075] lstat("./85/file0", [pid 5074] close(3 [pid 5079] <... close resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5079] rmdir("./91" [pid 5078] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] rmdir("./83" [pid 5074] rmdir("./84" [pid 5079] <... rmdir resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... rmdir resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5079] mkdir("./92", 0777 [pid 5078] lstat("./89/cgroup.net", [pid 5076] mkdir("./84", 0777 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] mkdir("./85", 0777 [pid 5079] <... mkdir resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] <... mkdir resumed>) = 0 [pid 5075] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... mkdir resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5078] unlink("./89/cgroup.net" [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5079] <... openat resumed>) = 3 [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5075] openat(AT_FDCWD, "./85/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... openat resumed>) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5078] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6191] <... write resumed>) = 2097152 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] <... openat resumed>) = 4 [pid 6191] munmap(0x7f7a51cd9000, 2097152 [pid 5079] close(3 [pid 5076] close(3 [pid 5075] fstat(4, [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] <... close resumed>) = 0 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] close(3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... close resumed>) = 0 [pid 5075] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] <... close resumed>) = 0 ./strace-static-x86_64: Process 6192 attached [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 186 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] getdents64(4, [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] close(4) = 0 ./strace-static-x86_64: Process 6193 attached [pid 5075] rmdir("./85/file0"./strace-static-x86_64: Process 6194 attached [pid 6193] set_robust_list(0x5555562845e0, 24 [pid 6192] set_robust_list(0x5555562845e0, 24 [pid 6191] <... munmap resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 170 [pid 5075] <... rmdir resumed>) = 0 [pid 6194] set_robust_list(0x5555562845e0, 24 [pid 6193] <... set_robust_list resumed>) = 0 [pid 6192] <... set_robust_list resumed>) = 0 [pid 5075] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 172 [pid 6194] <... set_robust_list resumed>) = 0 [pid 6193] chdir("./84" [pid 6192] chdir("./92" [pid 6191] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6194] chdir("./85" [pid 6193] <... chdir resumed>) = 0 [pid 6192] <... chdir resumed>) = 0 [pid 6191] <... openat resumed>) = 4 [pid 5075] lstat("./85/cgroup.cpu", [pid 6194] <... chdir resumed>) = 0 [pid 6193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6191] ioctl(4, LOOP_SET_FD, 3 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6193] <... prctl resumed>) = 0 [pid 6192] <... prctl resumed>) = 0 [pid 5078] <... umount2 resumed>) = 0 [pid 5075] unlink("./85/cgroup.cpu" [pid 6193] setpgid(0, 0 [pid 5075] <... unlink resumed>) = 0 [pid 6193] <... setpgid resumed>) = 0 [pid 5075] getdents64(3, [pid 6193] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6194] <... prctl resumed>) = 0 [pid 6193] <... symlink resumed>) = 0 [pid 6192] setpgid(0, 0 [pid 5075] close(3 [pid 6193] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5075] <... close resumed>) = 0 [pid 6193] <... symlink resumed>) = 0 [pid 5075] rmdir("./85" [pid 6193] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5075] <... rmdir resumed>) = 0 [pid 6194] setpgid(0, 0 [pid 6193] <... symlink resumed>) = 0 [pid 6192] <... setpgid resumed>) = 0 [pid 6194] <... setpgid resumed>) = 0 [pid 5075] mkdir("./86", 0777 [pid 6194] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6192] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5075] <... mkdir resumed>) = 0 [pid 6194] <... symlink resumed>) = 0 [pid 6193] <... openat resumed>) = 3 [pid 6192] <... symlink resumed>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6194] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6193] write(3, "1000", 4 [pid 6192] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5075] <... openat resumed>) = 3 [pid 6194] <... symlink resumed>) = 0 [pid 6193] <... write resumed>) = 4 [pid 6192] <... symlink resumed>) = 0 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6194] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6193] close(3 [pid 6192] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6194] <... symlink resumed>) = 0 [pid 6193] <... close resumed>) = 0 [pid 6192] <... symlink resumed>) = 0 [pid 6191] <... ioctl resumed>) = 0 [pid 5075] close(3 [pid 6194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6193] symlink("/dev/binderfs", "./binderfs" [pid 6192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6191] close(3 [pid 5075] <... close resumed>) = 0 [pid 6194] <... openat resumed>) = 3 [pid 6193] <... symlink resumed>) = 0 [pid 6192] <... openat resumed>) = 3 [pid 6191] <... close resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6195 attached [pid 6194] write(3, "1000", 4 [pid 6193] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] write(3, "1000", 4 [pid 6191] mkdir("./file0", 0777 [pid 5078] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6195] set_robust_list(0x5555562845e0, 24 [pid 6194] <... write resumed>) = 4 [pid 6193] <... futex resumed>) = 0 [pid 6192] <... write resumed>) = 4 [pid 6191] <... mkdir resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 174 [pid 6195] <... set_robust_list resumed>) = 0 [pid 6194] close(3 [ 163.416295][ T6191] loop5: detected capacity change from 0 to 4096 [pid 6193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6192] close(3 [pid 6191] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5078] lstat("./89/file0", [pid 6195] chdir("./86" [pid 6194] <... close resumed>) = 0 [pid 6193] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6192] <... close resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6195] <... chdir resumed>) = 0 [pid 6194] symlink("/dev/binderfs", "./binderfs" [pid 6193] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6193] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6196 attached [pid 6196] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6193] <... clone resumed>, parent_tid=[171], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 171 [pid 6196] <... set_robust_list resumed>) = 0 [pid 6195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6194] <... symlink resumed>) = 0 [pid 6193] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] symlink("/dev/binderfs", "./binderfs" [pid 5078] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6196] memfd_create("syzkaller", 0 [pid 6195] <... prctl resumed>) = 0 [pid 6194] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] <... futex resumed>) = 0 [pid 6192] <... symlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6196] <... memfd_create resumed>) = 3 [pid 6195] setpgid(0, 0 [pid 6194] <... futex resumed>) = 0 [pid 6193] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6192] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] openat(AT_FDCWD, "./89/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6196] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6195] <... setpgid resumed>) = 0 [pid 6194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6192] <... futex resumed>) = 0 [pid 5078] <... openat resumed>) = 4 [pid 6196] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6195] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6194] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] fstat(4, [pid 6195] <... symlink resumed>) = 0 [pid 6194] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6192] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6195] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6194] <... mprotect resumed>) = 0 [pid 6192] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5078] getdents64(4, [pid 6195] <... symlink resumed>) = 0 [pid 6194] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6192] <... mprotect resumed>) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6197 attached [pid 6195] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6192] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5078] getdents64(4, ./strace-static-x86_64: Process 6198 attached [pid 6197] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6195] <... symlink resumed>) = 0 [pid 6194] <... clone resumed>, parent_tid=[173], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 173 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6198] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6197] <... set_robust_list resumed>) = 0 [pid 6195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6194] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... clone resumed>, parent_tid=[187], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 187 [pid 5078] close(4 [pid 6198] <... set_robust_list resumed>) = 0 [pid 6195] <... openat resumed>) = 3 [pid 6194] <... futex resumed>) = 0 [pid 6192] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... close resumed>) = 0 [pid 6198] memfd_create("syzkaller", 0 [pid 6197] memfd_create("syzkaller", 0 [pid 6195] write(3, "1000", 4 [pid 6194] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6192] <... futex resumed>) = 0 [pid 5078] rmdir("./89/file0" [pid 6198] <... memfd_create resumed>) = 3 [pid 6197] <... memfd_create resumed>) = 3 [pid 6195] <... write resumed>) = 4 [pid 6192] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] <... rmdir resumed>) = 0 [pid 6198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6197] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6195] close(3 [pid 6191] <... mount resumed>) = 0 [pid 5078] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6198] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6197] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6195] <... close resumed>) = 0 [pid 6191] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6195] symlink("/dev/binderfs", "./binderfs" [pid 6191] <... openat resumed>) = 3 [pid 5078] lstat("./89/cgroup.cpu", [pid 6195] <... symlink resumed>) = 0 [pid 6191] chdir("./file0" [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6195] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] <... chdir resumed>) = 0 [pid 5078] unlink("./89/cgroup.cpu" [pid 6195] <... futex resumed>) = 0 [pid 6191] ioctl(4, LOOP_CLR_FD [pid 5078] <... unlink resumed>) = 0 [pid 6195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6191] <... ioctl resumed>) = 0 [pid 5078] getdents64(3, [pid 6195] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6191] close(4 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6195] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6191] <... close resumed>) = 0 [pid 5078] close(3 [pid 6195] <... mprotect resumed>) = 0 [pid 6191] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... close resumed>) = 0 [pid 6195] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6191] <... futex resumed>) = 1 [pid 6190] <... futex resumed>) = 0 [pid 5078] rmdir("./89"./strace-static-x86_64: Process 6199 attached [pid 6191] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6190] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... rmdir resumed>) = 0 [pid 6199] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6195] <... clone resumed>, parent_tid=[175], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 175 [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6190] <... futex resumed>) = 0 [pid 5078] mkdir("./90", 0777 [pid 6199] <... set_robust_list resumed>) = 0 [pid 6195] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6191] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6190] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... mkdir resumed>) = 0 [pid 6199] memfd_create("syzkaller", 0 [pid 6198] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6195] <... futex resumed>) = 0 [pid 6191] <... mkdirat resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6199] <... memfd_create resumed>) = 3 [pid 6195] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6191] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... openat resumed>) = 3 [pid 6199] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6191] <... futex resumed>) = 1 [pid 6190] <... futex resumed>) = 0 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6199] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6191] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6190] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6197] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6190] <... futex resumed>) = 0 [pid 5078] close(3 [pid 6196] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6191] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6190] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... close resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6200 attached [pid 6191] <... symlinkat resumed>) = 0 [pid 6200] set_robust_list(0x5555562845e0, 24 [pid 6191] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 182 [pid 6200] <... set_robust_list resumed>) = 0 [pid 6191] <... futex resumed>) = 1 [pid 6190] <... futex resumed>) = 0 [pid 6200] chdir("./90" [pid 6191] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6190] close(3 [pid 6200] <... chdir resumed>) = 0 [pid 6190] <... close resumed>) = 0 [pid 6200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6190] close(4 [pid 6200] <... prctl resumed>) = 0 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] setpgid(0, 0 [pid 6190] close(5 [pid 6200] <... setpgid resumed>) = 0 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6190] close(6 [pid 6200] <... symlink resumed>) = 0 [pid 6199] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6190] close(7 [pid 6200] <... symlink resumed>) = 0 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6190] close(8 [pid 6200] <... symlink resumed>) = 0 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6190] close(9 [pid 6200] <... openat resumed>) = 3 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] write(3, "1000", 4 [pid 6190] close(10 [pid 6200] <... write resumed>) = 4 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(3 [pid 6190] close(11 [pid 6200] <... close resumed>) = 0 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] symlink("/dev/binderfs", "./binderfs" [pid 6190] close(12 [pid 6200] <... symlink resumed>) = 0 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] close(13 [pid 6200] <... futex resumed>) = 0 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6190] close(14 [pid 6200] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6190] close(15 [pid 6200] <... mprotect resumed>) = 0 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6190] close(16./strace-static-x86_64: Process 6201 attached ) = -1 EBADF (Bad file descriptor) [pid 6201] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6200] <... clone resumed>, parent_tid=[183], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 183 [pid 6190] close(17 [pid 6201] <... set_robust_list resumed>) = 0 [pid 6200] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] <... futex resumed>) = 0 [pid 6190] close(18 [pid 6200] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] memfd_create("syzkaller", 0 [pid 6190] close(19 [pid 6201] <... memfd_create resumed>) = 3 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6198] <... write resumed>) = 2097152 [pid 6190] close(20 [pid 6201] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6190] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6190] close(21) = -1 EBADF (Bad file descriptor) [pid 6190] close(22) = -1 EBADF (Bad file descriptor) [pid 6190] close(23) = -1 EBADF (Bad file descriptor) [pid 6190] close(24) = -1 EBADF (Bad file descriptor) [pid 6190] close(25) = -1 EBADF (Bad file descriptor) [pid 6190] close(26) = -1 EBADF (Bad file descriptor) [pid 6190] close(27) = -1 EBADF (Bad file descriptor) [pid 6190] close(28) = -1 EBADF (Bad file descriptor) [pid 6190] close(29) = -1 EBADF (Bad file descriptor) [pid 6190] exit_group(0 [pid 6191] <... futex resumed>) = ? [pid 6190] <... exit_group resumed>) = ? [pid 6191] +++ exited with 0 +++ [pid 6190] +++ exited with 0 +++ [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [pid 5077] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6201] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6196] <... write resumed>) = 2097152 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5077] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5077] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./86/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] unlink("./86/binderfs") = 0 [pid 6198] munmap(0x7f7a51cd9000, 2097152 [pid 5077] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6196] munmap(0x7f7a51cd9000, 2097152 [pid 5077] lstat("./86/cgroup", [pid 6198] <... munmap resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] unlink("./86/cgroup") = 0 [pid 5077] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./86/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] unlink("./86/cgroup.net") = 0 [pid 5077] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6198] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6196] <... munmap resumed>) = 0 [pid 6196] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6198] <... openat resumed>) = 4 [pid 6198] ioctl(4, LOOP_SET_FD, 3 [pid 6196] <... openat resumed>) = 4 [pid 6197] <... write resumed>) = 2097152 [pid 6196] ioctl(4, LOOP_SET_FD, 3 [pid 6197] munmap(0x7f7a51cd9000, 2097152 [pid 6198] <... ioctl resumed>) = 0 [pid 6199] <... write resumed>) = 2097152 [pid 6198] close(3) = 0 [pid 6198] mkdir("./file0", 0777) = 0 [pid 6198] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6199] munmap(0x7f7a51cd9000, 2097152 [pid 6197] <... munmap resumed>) = 0 [pid 6199] <... munmap resumed>) = 0 [pid 6197] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5077] <... umount2 resumed>) = 0 [pid 6197] <... openat resumed>) = 4 [ 163.712790][ T6198] loop2: detected capacity change from 0 to 4096 [ 163.731136][ T6196] loop4: detected capacity change from 0 to 4096 [pid 6197] ioctl(4, LOOP_SET_FD, 3 [pid 6199] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6199] ioctl(4, LOOP_SET_FD, 3 [pid 5077] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6197] <... ioctl resumed>) = 0 [pid 6196] <... ioctl resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6197] close(3 [pid 6196] close(3 [pid 5077] lstat("./86/file0", [pid 6197] <... close resumed>) = 0 [pid 6196] <... close resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6197] mkdir("./file0", 0777 [pid 6196] mkdir("./file0", 0777 [pid 5077] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6196] <... mkdir resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./86/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6201] <... write resumed>) = 2097152 [pid 6197] <... mkdir resumed>) = 0 [pid 6196] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5077] <... openat resumed>) = 4 [pid 5077] fstat(4, [pid 6197] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] getdents64(4, [pid 6201] munmap(0x7f7a51cd9000, 2097152 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5077] close(4) = 0 [pid 5077] rmdir("./86/file0") = 0 [pid 5077] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./86/cgroup.cpu", [pid 6201] <... munmap resumed>) = 0 [pid 6199] <... ioctl resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6199] close(3 [pid 5077] unlink("./86/cgroup.cpu" [pid 6201] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6199] <... close resumed>) = 0 [pid 6198] <... mount resumed>) = 0 [pid 6201] <... openat resumed>) = 4 [pid 6199] mkdir("./file0", 0777 [ 163.763695][ T6197] loop0: detected capacity change from 0 to 4096 [ 163.769685][ T6199] loop3: detected capacity change from 0 to 4096 [pid 6198] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5077] <... unlink resumed>) = 0 [pid 6201] ioctl(4, LOOP_SET_FD, 3 [pid 6199] <... mkdir resumed>) = 0 [pid 6198] <... openat resumed>) = 3 [pid 5077] getdents64(3, [pid 6199] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6198] chdir("./file0" [pid 6196] <... mount resumed>) = 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6196] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5077] close(3 [pid 6196] <... openat resumed>) = 3 [pid 5077] <... close resumed>) = 0 [pid 6196] chdir("./file0" [pid 5077] rmdir("./86" [pid 6198] <... chdir resumed>) = 0 [pid 6196] <... chdir resumed>) = 0 [pid 5077] <... rmdir resumed>) = 0 [pid 6198] ioctl(4, LOOP_CLR_FD [pid 6196] ioctl(4, LOOP_CLR_FD [pid 5077] mkdir("./87", 0777 [pid 6198] <... ioctl resumed>) = 0 [pid 6196] <... ioctl resumed>) = 0 [pid 5077] <... mkdir resumed>) = 0 [pid 6198] close(4 [pid 6196] close(4 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6198] <... close resumed>) = 0 [pid 6196] <... close resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 6196] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] ioctl(3, LOOP_CLR_FD [pid 6198] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] <... futex resumed>) = 1 [pid 6193] <... futex resumed>) = 0 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6198] <... futex resumed>) = 1 [pid 6197] <... mount resumed>) = 0 [pid 6196] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6193] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... futex resumed>) = 0 [pid 5077] close(3 [pid 6198] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6193] <... futex resumed>) = 0 [pid 6192] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... close resumed>) = 0 [pid 6198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6197] <... openat resumed>) = 3 [pid 6196] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6193] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6192] <... futex resumed>) = 0 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6202 attached [pid 6198] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6197] chdir("./file0" [pid 6196] <... mkdirat resumed>) = 0 [pid 6192] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] set_robust_list(0x5555562845e0, 24 [pid 6201] <... ioctl resumed>) = 0 [pid 6197] <... chdir resumed>) = 0 [pid 6196] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 176 [pid 6202] <... set_robust_list resumed>) = 0 [ 163.826984][ T6201] loop1: detected capacity change from 0 to 4096 [pid 6197] ioctl(4, LOOP_CLR_FD [pid 6196] <... futex resumed>) = 1 [pid 6193] <... futex resumed>) = 0 [pid 6202] chdir("./87" [pid 6198] <... mkdirat resumed>) = 0 [pid 6197] <... ioctl resumed>) = 0 [pid 6196] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6193] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... chdir resumed>) = 0 [pid 6197] close(4 [pid 6196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6193] <... futex resumed>) = 0 [pid 6202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6198] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... close resumed>) = 0 [pid 6196] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6193] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] <... prctl resumed>) = 0 [pid 6201] close(3 [pid 6198] <... futex resumed>) = 1 [pid 6197] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... futex resumed>) = 0 [pid 6202] setpgid(0, 0 [pid 6201] <... close resumed>) = 0 [pid 6198] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6192] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... setpgid resumed>) = 0 [pid 6201] mkdir("./file0", 0777 [pid 6198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6197] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6194] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6192] <... futex resumed>) = 0 [pid 6202] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6201] <... mkdir resumed>) = 0 [pid 6198] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6194] <... futex resumed>) = 0 [pid 6192] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] <... symlink resumed>) = 0 [pid 6201] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6199] <... mount resumed>) = 0 [pid 6197] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6196] <... symlinkat resumed>) = 0 [pid 6194] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6202] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6199] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6198] <... symlinkat resumed>) = 0 [pid 6196] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... symlink resumed>) = 0 [pid 6199] <... openat resumed>) = 3 [pid 6198] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] <... mkdirat resumed>) = 0 [pid 6196] <... futex resumed>) = 1 [pid 6193] <... futex resumed>) = 0 [pid 6202] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6199] chdir("./file0" [pid 6198] <... futex resumed>) = 1 [pid 6197] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6196] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6193] close(3 [pid 6192] <... futex resumed>) = 0 [pid 6202] <... symlink resumed>) = 0 [pid 6199] <... chdir resumed>) = 0 [pid 6198] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] <... futex resumed>) = 1 [pid 6194] <... futex resumed>) = 0 [pid 6193] <... close resumed>) = 0 [pid 6192] close(3 [pid 6202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6199] ioctl(4, LOOP_CLR_FD [pid 6197] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6194] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] close(4 [pid 6192] <... close resumed>) = 0 [pid 6202] <... openat resumed>) = 3 [pid 6199] <... ioctl resumed>) = 0 [pid 6197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6194] <... futex resumed>) = 0 [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(4 [pid 6202] write(3, "1000", 4 [pid 6199] close(4 [pid 6197] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6194] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6193] close(5 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] <... write resumed>) = 4 [pid 6199] <... close resumed>) = 0 [pid 6197] <... symlinkat resumed>) = 0 [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(5 [pid 6202] close(3 [pid 6199] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6197] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6193] close(6 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] <... close resumed>) = 0 [pid 6199] <... futex resumed>) = 1 [pid 6197] <... futex resumed>) = 1 [pid 6195] <... futex resumed>) = 0 [pid 6194] <... futex resumed>) = 0 [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(6 [pid 6202] symlink("/dev/binderfs", "./binderfs" [pid 6199] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6197] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6195] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] close(3 [pid 6193] close(7 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] <... symlink resumed>) = 0 [pid 6199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6195] <... futex resumed>) = 0 [pid 6194] <... close resumed>) = 0 [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(7 [pid 6202] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6195] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6194] close(4 [pid 6193] close(8 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] <... futex resumed>) = 0 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(8 [pid 6202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6194] close(5 [pid 6193] close(9 [pid 6202] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6194] close(6 [pid 6193] close(10 [pid 6202] <... mprotect resumed>) = 0 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6202] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6194] close(7 [pid 6193] close(11 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6203 attached [pid 6199] <... mkdirat resumed>) = 0 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(9 [pid 6203] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6202] <... clone resumed>, parent_tid=[177], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 177 [pid 6199] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] close(8 [pid 6193] close(12 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... set_robust_list resumed>) = 0 [pid 6202] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6199] <... futex resumed>) = 1 [pid 6195] <... futex resumed>) = 0 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(10 [pid 6203] memfd_create("syzkaller", 0 [pid 6202] <... futex resumed>) = 0 [pid 6201] <... mount resumed>) = 0 [pid 6199] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6195] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] close(9 [pid 6193] close(13 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... memfd_create resumed>) = 3 [pid 6202] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6201] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6195] <... futex resumed>) = 0 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(11 [pid 6203] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6201] <... openat resumed>) = 3 [pid 6199] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6195] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6194] close(10 [pid 6193] close(14 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6201] chdir("./file0" [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(12 [pid 6201] <... chdir resumed>) = 0 [pid 6199] <... symlinkat resumed>) = 0 [pid 6194] close(11 [pid 6193] close(15 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] ioctl(4, LOOP_CLR_FD [pid 6199] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... ioctl resumed>) = 0 [pid 6199] <... futex resumed>) = 1 [pid 6195] <... futex resumed>) = 0 [pid 6194] close(12 [pid 6193] close(16 [pid 6192] close(13 [pid 6201] close(4 [pid 6199] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6195] close(3 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... close resumed>) = 0 [pid 6195] <... close resumed>) = 0 [pid 6194] close(13 [pid 6193] close(17 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(14 [pid 6193] close(18 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(15 [pid 6193] close(19 [pid 6201] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] close(4 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(14 [pid 6201] <... futex resumed>) = 1 [pid 6200] <... futex resumed>) = 0 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(16 [pid 6193] close(20 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6200] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] close(5 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(15 [pid 6201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6200] <... futex resumed>) = 0 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(17 [pid 6193] close(21 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6200] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] close(6 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(16 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(18 [pid 6193] close(22 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(7 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6201] <... mkdirat resumed>) = 0 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(19 [pid 6193] close(23 [pid 6192] close(17 [pid 6201] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] close(8 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... futex resumed>) = 1 [pid 6200] <... futex resumed>) = 0 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(20 [pid 6193] close(24 [pid 6192] close(18 [pid 6201] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6200] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] close(9 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6200] <... futex resumed>) = 0 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(21 [pid 6193] close(25 [pid 6192] close(19 [pid 6201] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6200] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6195] close(10 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(22 [pid 6193] close(26 [pid 6192] close(20 [pid 6201] <... symlinkat resumed>) = 0 [pid 6195] close(11 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(23 [pid 6193] close(27 [pid 6192] close(21 [pid 6201] <... futex resumed>) = 1 [pid 6200] <... futex resumed>) = 0 [pid 6195] close(12 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6201] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6200] close(3 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(24 [pid 6193] close(28 [pid 6192] close(22 [pid 6200] <... close resumed>) = 0 [pid 6195] close(13 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(4 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(25 [pid 6193] close(29 [pid 6192] close(23 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(14 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(5 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(26 [pid 6193] exit_group(0 [pid 6192] close(24 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6196] <... futex resumed>) = ? [pid 6195] close(15 [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6193] <... exit_group resumed>) = ? [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6203] <... write resumed>) = 2097152 [pid 6200] close(6 [pid 6196] +++ exited with 0 +++ [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(27 [pid 6193] +++ exited with 0 +++ [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] close(28) = -1 EBADF (Bad file descriptor) [pid 6192] close(25 [pid 6203] munmap(0x7f7a51cd9000, 2097152 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(16 [pid 6194] close(29 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6194] exit_group(0 [pid 6197] <... futex resumed>) = ? [pid 6194] <... exit_group resumed>) = ? [pid 6203] <... munmap resumed>) = 0 [pid 6200] close(7 [pid 6197] +++ exited with 0 +++ [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(26 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6203] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] close(17 [pid 6194] +++ exited with 0 +++ [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6200] close(8) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(27 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6203] <... openat resumed>) = 4 [pid 6200] close(9 [pid 6195] close(18 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 6203] ioctl(4, LOOP_SET_FD, 3 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] close(28 [pid 5076] <... openat resumed>) = 3 [pid 5074] <... restart_syscall resumed>) = 0 [pid 6200] close(10 [pid 6195] close(19 [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] fstat(3, [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(11) = -1 EBADF (Bad file descriptor) [pid 6200] close(12) = -1 EBADF (Bad file descriptor) [pid 6200] close(13) = -1 EBADF (Bad file descriptor) [pid 6200] close(14) = -1 EBADF (Bad file descriptor) [pid 6200] close(15) = -1 EBADF (Bad file descriptor) [pid 6200] close(16) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6200] close(17 [pid 6192] close(29 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] getdents64(3, [pid 6200] close(18 [pid 6192] exit_group(0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6203] <... ioctl resumed>) = 0 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6198] <... futex resumed>) = ? [pid 6195] close(20 [pid 6192] <... exit_group resumed>) = ? [pid 5076] umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6203] close(3 [pid 6200] close(19 [pid 6198] +++ exited with 0 +++ [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6203] <... close resumed>) = 0 [pid 6195] close(21 [pid 5074] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6203] mkdir("./file0", 0777 [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... openat resumed>) = 3 [pid 6203] <... mkdir resumed>) = 0 [pid 6195] close(22 [pid 6192] +++ exited with 0 +++ [pid 5074] fstat(3, [pid 6203] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6200] close(20 [pid 6195] close(23 [pid 5076] lstat("./84/binderfs", [pid 5074] getdents64(3, [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6200] close(21 [pid 6195] close(24 [pid 5076] unlink("./84/binderfs" [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... unlink resumed>) = 0 [pid 5074] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6200] close(22 [pid 6195] close(25 [pid 5076] umount2("./84/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6200] close(23 [pid 6195] close(26 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./84/cgroup", [pid 5074] lstat("./85/binderfs", [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6200] close(24 [pid 6195] close(27 [pid 5079] <... openat resumed>) = 3 [pid 5076] unlink("./84/cgroup" [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] fstat(3, [pid 5076] <... unlink resumed>) = 0 [pid 5074] unlink("./85/binderfs" [pid 6200] close(25 [pid 6195] close(28 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] umount2("./84/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(3, [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... unlink resumed>) = 0 [pid 6200] close(26 [pid 6195] close(29 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] lstat("./84/cgroup.net", [pid 5074] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6200] close(27 [pid 6195] exit_group(0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] unlink("./84/cgroup.net" [pid 5074] lstat("./85/cgroup", [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6199] <... futex resumed>) = ? [pid 6195] <... exit_group resumed>) = ? [pid 5079] lstat("./92/binderfs", [pid 5076] <... unlink resumed>) = 0 [pid 6200] close(28 [pid 6199] +++ exited with 0 +++ [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6195] +++ exited with 0 +++ [pid 5079] unlink("./92/binderfs" [pid 5074] unlink("./85/cgroup" [pid 6200] close(29 [pid 5079] <... unlink resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... unlink resumed>) = 0 [pid 6200] exit_group(0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6201] <... futex resumed>) = ? [pid 6200] <... exit_group resumed>) = ? [pid 5079] lstat("./92/cgroup", [pid 5075] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6203] <... mount resumed>) = 0 [pid 6201] +++ exited with 0 +++ [pid 6200] +++ exited with 0 +++ [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./85/cgroup.net", [ 164.134849][ T6203] loop5: detected capacity change from 0 to 4096 [pid 5079] unlink("./92/cgroup" [pid 5075] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... unlink resumed>) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5075] <... openat resumed>) = 3 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] fstat(3, [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] unlink("./85/cgroup.net" [pid 5079] lstat("./92/cgroup.net", [pid 5078] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] getdents64(3, [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5079] unlink("./92/cgroup.net" [pid 5078] fstat(3, [pid 5075] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... unlink resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] getdents64(3, [pid 5075] lstat("./86/binderfs", [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] unlink("./86/binderfs" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... unlink resumed>) = 0 [pid 5078] lstat("./90/binderfs", [pid 5075] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] unlink("./90/binderfs" [pid 5075] lstat("./86/cgroup", [pid 6203] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5078] <... unlink resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6203] <... openat resumed>) = 3 [pid 5078] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] unlink("./86/cgroup" [pid 6203] chdir("./file0" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... unlink resumed>) = 0 [pid 5078] lstat("./90/cgroup", [pid 5075] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = 0 [pid 6203] <... chdir resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... umount2 resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] unlink("./90/cgroup" [pid 5075] lstat("./86/cgroup.net", [pid 6203] ioctl(4, LOOP_CLR_FD [pid 5078] <... unlink resumed>) = 0 [pid 5076] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6203] <... ioctl resumed>) = 0 [pid 5078] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] unlink("./86/cgroup.net" [pid 6203] close(4 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./84/file0", [pid 5075] <... unlink resumed>) = 0 [pid 6203] <... close resumed>) = 0 [pid 5078] lstat("./90/cgroup.net", [pid 5075] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6203] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] unlink("./90/cgroup.net") = 0 [pid 5078] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6203] <... futex resumed>) = 1 [pid 6202] <... futex resumed>) = 0 [pid 5076] umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = 0 [pid 5074] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6203] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6202] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./92/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./92/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] fstat(4, [pid 6202] <... futex resumed>) = 0 [pid 6202] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] openat(AT_FDCWD, "./84/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] lstat("./85/file0", [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... openat resumed>) = 4 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] fstat(4, [pid 5074] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5079] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5079] close(4) = 0 [pid 5079] rmdir("./92/file0") = 0 [pid 5079] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./92/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./92/cgroup.cpu") = 0 [pid 5079] getdents64(3, [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./85/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] getdents64(4, [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] <... openat resumed>) = 4 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] fstat(4, [pid 5076] getdents64(4, [pid 5079] close(3 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6203] <... mkdirat resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5076] close(4 [pid 5074] getdents64(4, [pid 5079] rmdir("./92" [pid 6203] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... rmdir resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] rmdir("./84/file0" [pid 6202] <... futex resumed>) = 0 [pid 6203] <... futex resumed>) = 1 [pid 5074] getdents64(4, [pid 6203] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6202] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] mkdir("./93", 0777 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... umount2 resumed>) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6202] <... futex resumed>) = 0 [pid 5076] umount2("./84/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6202] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] close(4 [pid 5079] <... mkdir resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 [pid 5076] lstat("./84/cgroup.cpu", [pid 5074] rmdir("./85/file0" [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6203] <... symlinkat resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5076] unlink("./84/cgroup.cpu" [pid 5075] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... rmdir resumed>) = 0 [pid 6203] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6202] <... futex resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6203] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6202] close(3 [pid 5076] getdents64(3, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6202] <... close resumed>) = 0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6202] close(4 [pid 5076] close(3 [pid 5074] lstat("./85/cgroup.cpu", [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6202] close(5 [pid 5076] rmdir("./84" [pid 5074] unlink("./85/cgroup.cpu" [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5075] lstat("./86/file0", [pid 5076] <... rmdir resumed>) = 0 [pid 6202] close(6 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 5079] close(3 [pid 5075] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(3, [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 5076] mkdir("./85", 0777 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] openat(AT_FDCWD, "./86/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6204 attached [pid 6202] close(7 [pid 5076] <... mkdir resumed>) = 0 [pid 5075] <... openat resumed>) = 4 [pid 5074] close(3 [pid 6204] set_robust_list(0x5555562845e0, 24 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 188 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5075] fstat(4, [pid 6204] <... set_robust_list resumed>) = 0 [pid 6202] close(8 [pid 5076] <... openat resumed>) = 3 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... close resumed>) = 0 [pid 6204] chdir("./93" [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5075] getdents64(4, [pid 5074] rmdir("./85" [pid 6204] <... chdir resumed>) = 0 [pid 6202] close(9 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] close(3 [pid 5075] getdents64(4, [pid 5074] <... rmdir resumed>) = 0 [pid 6204] <... prctl resumed>) = 0 [pid 6202] close(10 [pid 5076] <... close resumed>) = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] mkdir("./86", 0777 [pid 6204] setpgid(0, 0 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] close(4 [pid 6204] <... setpgid resumed>) = 0 [pid 6202] close(11 [pid 5075] <... close resumed>) = 0 [pid 5074] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6205 attached [pid 6204] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] rmdir("./86/file0" [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6205] set_robust_list(0x5555562845e0, 24 [pid 6204] <... symlink resumed>) = 0 [pid 6202] close(12 [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 172 [pid 5075] <... rmdir resumed>) = 0 [pid 6205] <... set_robust_list resumed>) = 0 [pid 6204] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... openat resumed>) = 3 [pid 6205] chdir("./85" [pid 6204] <... symlink resumed>) = 0 [pid 6202] close(13 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6205] <... chdir resumed>) = 0 [pid 6204] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] lstat("./86/cgroup.cpu", [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6204] <... symlink resumed>) = 0 [pid 6202] close(14 [pid 5078] <... umount2 resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] close(3 [pid 6205] <... prctl resumed>) = 0 [pid 6204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] unlink("./86/cgroup.cpu" [pid 5074] <... close resumed>) = 0 [pid 6205] setpgid(0, 0 [pid 6204] <... openat resumed>) = 3 [pid 6202] close(15 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... unlink resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6205] <... setpgid resumed>) = 0 [pid 6204] write(3, "1000", 4 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./90/file0", [pid 5075] getdents64(3, [pid 6204] <... write resumed>) = 4 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6206 attached [pid 6205] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6204] close(3 [pid 6202] close(16 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] close(3 [pid 6206] set_robust_list(0x5555562845e0, 24 [pid 6205] <... symlink resumed>) = 0 [pid 6204] <... close resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 6206] <... set_robust_list resumed>) = 0 [pid 6205] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6204] symlink("/dev/binderfs", "./binderfs" [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] rmdir("./86" [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 174 [pid 6206] chdir("./86" [pid 6205] <... symlink resumed>) = 0 [pid 6204] <... symlink resumed>) = 0 [pid 6202] close(17 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... rmdir resumed>) = 0 [pid 6206] <... chdir resumed>) = 0 [pid 6205] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6204] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./90/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] mkdir("./87", 0777 [pid 6206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6205] <... symlink resumed>) = 0 [pid 6204] <... futex resumed>) = 0 [pid 6202] close(18 [pid 5078] <... openat resumed>) = 4 [pid 5075] <... mkdir resumed>) = 0 [pid 6206] <... prctl resumed>) = 0 [pid 6205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] fstat(4, [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6206] setpgid(0, 0 [pid 6205] <... openat resumed>) = 3 [pid 6204] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6202] close(19 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... openat resumed>) = 3 [pid 6206] <... setpgid resumed>) = 0 [pid 6205] write(3, "1000", 4 [pid 6204] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(4, [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6206] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6205] <... write resumed>) = 4 [pid 6204] <... mprotect resumed>) = 0 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6206] <... symlink resumed>) = 0 [pid 6204] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5075] close(3./strace-static-x86_64: Process 6207 attached [pid 6206] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5075] <... close resumed>) = 0 [pid 6207] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6206] <... symlink resumed>) = 0 [pid 6204] <... clone resumed>, parent_tid=[189], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 189 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6208 attached [pid 6207] <... set_robust_list resumed>) = 0 [pid 6206] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6205] close(3 [pid 6204] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] close(20 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6207] memfd_create("syzkaller", 0 [pid 6206] <... symlink resumed>) = 0 [pid 6204] <... futex resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 176 [pid 6207] <... memfd_create resumed>) = 3 [pid 6206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6204] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6207] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6206] <... openat resumed>) = 3 [pid 6207] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6206] write(3, "1000", 4 [pid 6208] set_robust_list(0x5555562845e0, 24 [pid 6206] <... write resumed>) = 4 [pid 6205] <... close resumed>) = 0 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(4, [pid 6208] <... set_robust_list resumed>) = 0 [pid 6206] close(3 [pid 6205] symlink("/dev/binderfs", "./binderfs" [pid 6202] close(21 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6208] chdir("./87" [pid 6206] <... close resumed>) = 0 [pid 6205] <... symlink resumed>) = 0 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(4 [pid 6208] <... chdir resumed>) = 0 [pid 6206] symlink("/dev/binderfs", "./binderfs" [pid 6205] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] close(22 [pid 5078] <... close resumed>) = 0 [pid 6208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6205] <... futex resumed>) = 0 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] rmdir("./90/file0" [pid 6208] <... prctl resumed>) = 0 [pid 6206] <... symlink resumed>) = 0 [pid 6205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6202] close(23 [pid 5078] <... rmdir resumed>) = 0 [pid 6208] setpgid(0, 0 [pid 6206] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6205] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6208] <... setpgid resumed>) = 0 [pid 6206] <... futex resumed>) = 0 [pid 6205] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6202] close(24 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6208] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6205] <... mprotect resumed>) = 0 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./90/cgroup.cpu", [pid 6208] <... symlink resumed>) = 0 [pid 6206] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6205] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6202] close(25 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6209 attached [pid 6208] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6206] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./90/cgroup.cpu" [pid 6209] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6208] <... symlink resumed>) = 0 [pid 6206] <... mprotect resumed>) = 0 [pid 6205] <... clone resumed>, parent_tid=[173], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 173 [pid 6202] close(26 [pid 5078] <... unlink resumed>) = 0 [pid 6208] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6205] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(3, [pid 6209] <... set_robust_list resumed>) = 0 [pid 6208] <... symlink resumed>) = 0 [pid 6206] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6205] <... futex resumed>) = 0 [pid 6202] close(27 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6205] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(3 [pid 6209] memfd_create("syzkaller", 0 [pid 6208] <... openat resumed>) = 3 [pid 6202] close(28 [pid 5078] <... close resumed>) = 0 ./strace-static-x86_64: Process 6210 attached [pid 6209] <... memfd_create resumed>) = 3 [pid 6208] write(3, "1000", 4 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] rmdir("./90" [pid 6210] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6209] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6208] <... write resumed>) = 4 [pid 6206] <... clone resumed>, parent_tid=[175], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 175 [pid 6202] close(29 [pid 5078] <... rmdir resumed>) = 0 [pid 6210] <... set_robust_list resumed>) = 0 [pid 6208] close(3 [pid 6206] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6202] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] mkdir("./91", 0777 [pid 6210] memfd_create("syzkaller", 0 [pid 6209] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6208] <... close resumed>) = 0 [pid 6207] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6206] <... futex resumed>) = 0 [pid 6202] exit_group(0 [pid 6210] <... memfd_create resumed>) = 3 [pid 6208] symlink("/dev/binderfs", "./binderfs" [pid 6203] <... futex resumed>) = ? [pid 6202] <... exit_group resumed>) = ? [pid 5078] <... mkdir resumed>) = 0 [pid 6210] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6208] <... symlink resumed>) = 0 [pid 6206] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6203] +++ exited with 0 +++ [pid 6202] +++ exited with 0 +++ [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6210] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6208] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... openat resumed>) = 3 [pid 6208] <... futex resumed>) = 0 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=2 /* 0.02 s */} --- [pid 6208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5077] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6208] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5078] close(3 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6210] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6209] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6208] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6207] <... write resumed>) = 2097152 [pid 5078] <... close resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6208] <... mprotect resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6211 attached [pid 6208] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5077] fstat(3, ./strace-static-x86_64: Process 6212 attached [pid 6211] set_robust_list(0x5555562845e0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 184 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6212] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6211] <... set_robust_list resumed>) = 0 [pid 6208] <... clone resumed>, parent_tid=[177], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 177 [pid 5077] getdents64(3, [pid 6212] <... set_robust_list resumed>) = 0 [pid 6211] chdir("./91" [pid 6208] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] munmap(0x7f7a51cd9000, 2097152 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6212] memfd_create("syzkaller", 0 [pid 6211] <... chdir resumed>) = 0 [pid 6208] <... futex resumed>) = 0 [pid 5077] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6212] <... memfd_create resumed>) = 3 [pid 6211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6208] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6212] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6211] <... prctl resumed>) = 0 [pid 5077] lstat("./87/binderfs", [pid 6212] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6211] setpgid(0, 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6211] <... setpgid resumed>) = 0 [pid 6207] <... munmap resumed>) = 0 [pid 5077] unlink("./87/binderfs" [pid 6211] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6207] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5077] <... unlink resumed>) = 0 [pid 6211] <... symlink resumed>) = 0 [pid 5077] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6211] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6207] <... openat resumed>) = 4 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6211] <... symlink resumed>) = 0 [pid 5077] lstat("./87/cgroup", [pid 6211] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6207] ioctl(4, LOOP_SET_FD, 3 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6211] <... symlink resumed>) = 0 [pid 5077] unlink("./87/cgroup" [pid 6211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] <... unlink resumed>) = 0 [pid 6211] <... openat resumed>) = 3 [pid 5077] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6211] write(3, "1000", 4 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6211] <... write resumed>) = 4 [pid 5077] lstat("./87/cgroup.net", [pid 6211] close(3 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6211] <... close resumed>) = 0 [pid 5077] unlink("./87/cgroup.net" [pid 6211] symlink("/dev/binderfs", "./binderfs" [pid 5077] <... unlink resumed>) = 0 [pid 6211] <... symlink resumed>) = 0 [pid 5077] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6211] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6211] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6211] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6213 attached [pid 6213] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6211] <... clone resumed>, parent_tid=[185], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 185 [pid 6213] <... set_robust_list resumed>) = 0 [pid 6211] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] memfd_create("syzkaller", 0 [pid 6211] <... futex resumed>) = 0 [pid 6213] <... memfd_create resumed>) = 3 [pid 6211] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 6207] <... ioctl resumed>) = 0 [pid 6210] <... write resumed>) = 2097152 [pid 6207] close(3) = 0 [pid 6207] mkdir("./file0", 0777) = 0 [pid 6207] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5077] <... umount2 resumed>) = 0 [pid 5077] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./87/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] openat(AT_FDCWD, "./87/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5077] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [ 164.578220][ T6207] loop2: detected capacity change from 0 to 4096 [pid 5077] close(4 [pid 6212] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5077] <... close resumed>) = 0 [pid 5077] rmdir("./87/file0") = 0 [pid 5077] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6210] munmap(0x7f7a51cd9000, 2097152 [pid 5077] lstat("./87/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] unlink("./87/cgroup.cpu") = 0 [pid 5077] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] close(3) = 0 [pid 5077] rmdir("./87" [pid 6210] <... munmap resumed>) = 0 [pid 5077] <... rmdir resumed>) = 0 [pid 5077] mkdir("./88", 0777 [pid 6213] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6210] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6209] <... write resumed>) = 2097152 [pid 5077] <... mkdir resumed>) = 0 [pid 6210] <... openat resumed>) = 4 [pid 6209] munmap(0x7f7a51cd9000, 2097152 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6209] <... munmap resumed>) = 0 [pid 6209] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6209] ioctl(4, LOOP_SET_FD, 3 [pid 6210] ioctl(4, LOOP_SET_FD, 3 [pid 6207] <... mount resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 6209] <... ioctl resumed>) = 0 [pid 6209] close(3) = 0 [pid 6209] mkdir("./file0", 0777) = 0 [pid 6209] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6210] <... ioctl resumed>) = 0 [pid 6207] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5077] ioctl(3, LOOP_CLR_FD [pid 6210] close(3) = 0 [pid 6210] mkdir("./file0", 0777) = 0 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6210] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6207] <... openat resumed>) = 3 [pid 5077] close(3 [pid 6207] chdir("./file0" [pid 6212] <... write resumed>) = 2097152 [pid 6207] <... chdir resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6214 attached [pid 6207] ioctl(4, LOOP_CLR_FD [pid 6214] set_robust_list(0x5555562845e0, 24) = 0 [pid 6212] munmap(0x7f7a51cd9000, 2097152 [pid 6207] <... ioctl resumed>) = 0 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 178 [pid 6214] chdir("./88" [pid 6212] <... munmap resumed>) = 0 [pid 6207] close(4 [pid 6214] <... chdir resumed>) = 0 [pid 6214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6213] <... write resumed>) = 2097152 [pid 6212] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6207] <... close resumed>) = 0 [pid 6214] <... prctl resumed>) = 0 [pid 6213] munmap(0x7f7a51cd9000, 2097152 [pid 6212] <... openat resumed>) = 4 [pid 6207] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] setpgid(0, 0 [pid 6213] <... munmap resumed>) = 0 [ 164.693644][ T6209] loop4: detected capacity change from 0 to 4096 [ 164.701432][ T6210] loop0: detected capacity change from 0 to 4096 [pid 6212] ioctl(4, LOOP_SET_FD, 3 [pid 6207] <... futex resumed>) = 1 [pid 6204] <... futex resumed>) = 0 [pid 6214] <... setpgid resumed>) = 0 [pid 6213] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6212] <... ioctl resumed>) = 0 [pid 6207] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6213] <... openat resumed>) = 4 [pid 6212] close(3 [pid 6207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6204] <... futex resumed>) = 0 [pid 6214] <... symlink resumed>) = 0 [pid 6213] ioctl(4, LOOP_SET_FD, 3 [pid 6212] <... close resumed>) = 0 [pid 6207] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6204] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6213] <... ioctl resumed>) = 0 [pid 6214] <... symlink resumed>) = 0 [pid 6213] close(3 [pid 6214] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6213] <... close resumed>) = 0 [pid 6214] <... symlink resumed>) = 0 [pid 6213] mkdir("./file0", 0777 [pid 6214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6213] <... mkdir resumed>) = 0 [pid 6207] <... mkdirat resumed>) = 0 [pid 6214] <... openat resumed>) = 3 [pid 6213] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6207] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] write(3, "1000", 4 [pid 6212] mkdir("./file0", 0777 [pid 6210] <... mount resumed>) = 0 [pid 6207] <... futex resumed>) = 1 [pid 6204] <... futex resumed>) = 0 [pid 6214] <... write resumed>) = 4 [pid 6210] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6207] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] close(3 [pid 6210] <... openat resumed>) = 3 [pid 6207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6204] <... futex resumed>) = 0 [pid 6212] <... mkdir resumed>) = 0 [pid 6214] <... close resumed>) = 0 [ 164.753200][ T6212] loop3: detected capacity change from 0 to 4096 [ 164.769290][ T6213] loop1: detected capacity change from 0 to 4096 [pid 6212] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6210] chdir("./file0" [pid 6207] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6204] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6214] symlink("/dev/binderfs", "./binderfs" [pid 6210] <... chdir resumed>) = 0 [pid 6214] <... symlink resumed>) = 0 [pid 6210] ioctl(4, LOOP_CLR_FD [pid 6214] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] <... ioctl resumed>) = 0 [pid 6207] <... symlinkat resumed>) = 0 [pid 6214] <... futex resumed>) = 0 [pid 6210] close(4 [pid 6207] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6210] <... close resumed>) = 0 [pid 6207] <... futex resumed>) = 1 [pid 6204] <... futex resumed>) = 0 [pid 6214] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6210] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6207] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6204] close(3 [pid 6214] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6210] <... futex resumed>) = 1 [pid 6206] <... futex resumed>) = 0 [pid 6204] <... close resumed>) = 0 [pid 6214] <... mprotect resumed>) = 0 [pid 6210] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] close(4 [pid 6214] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6206] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6215 attached [pid 6210] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6206] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6214] <... clone resumed>, parent_tid=[179], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 179 [pid 6213] <... mount resumed>) = 0 [pid 6210] <... mkdirat resumed>) = 0 [pid 6204] close(5 [pid 6215] <... set_robust_list resumed>) = 0 [pid 6214] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6213] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6210] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] memfd_create("syzkaller", 0 [pid 6214] <... futex resumed>) = 0 [pid 6213] <... openat resumed>) = 3 [pid 6210] <... futex resumed>) = 1 [pid 6206] <... futex resumed>) = 0 [pid 6204] close(6 [pid 6215] <... memfd_create resumed>) = 3 [pid 6214] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6213] chdir("./file0" [pid 6210] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6213] <... chdir resumed>) = 0 [pid 6210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6206] <... futex resumed>) = 0 [pid 6204] close(7 [pid 6215] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6213] ioctl(4, LOOP_CLR_FD [pid 6210] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6206] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... ioctl resumed>) = 0 [pid 6210] <... symlinkat resumed>) = 0 [pid 6204] close(8 [pid 6213] close(4 [pid 6210] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... close resumed>) = 0 [pid 6210] <... futex resumed>) = 1 [pid 6213] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6210] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] <... futex resumed>) = 0 [pid 6213] <... futex resumed>) = 1 [pid 6211] <... futex resumed>) = 0 [pid 6206] close(3 [pid 6204] close(9 [pid 6213] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6211] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... close resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6211] <... futex resumed>) = 0 [pid 6206] close(4 [pid 6204] close(10 [pid 6213] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6211] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... mkdirat resumed>) = 0 [pid 6206] close(5 [pid 6204] close(11 [pid 6209] <... mount resumed>) = 0 [pid 6213] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... futex resumed>) = 1 [pid 6211] <... futex resumed>) = 0 [pid 6209] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6206] close(6 [pid 6204] close(12 [pid 6213] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6211] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... openat resumed>) = 3 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6211] <... futex resumed>) = 0 [pid 6209] chdir("./file0" [pid 6206] close(7 [pid 6204] close(13 [pid 6213] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6211] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6209] <... chdir resumed>) = 0 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6213] <... symlinkat resumed>) = 0 [pid 6212] <... mount resumed>) = 0 [pid 6209] ioctl(4, LOOP_CLR_FD [pid 6206] close(8 [pid 6204] close(14 [pid 6213] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6209] <... ioctl resumed>) = 0 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6213] <... futex resumed>) = 1 [pid 6211] <... futex resumed>) = 0 [pid 6209] close(4 [pid 6206] close(9 [pid 6204] close(15 [pid 6213] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6212] <... openat resumed>) = 3 [pid 6211] close(3 [pid 6209] <... close resumed>) = 0 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... close resumed>) = 0 [pid 6211] close(4) = -1 EBADF (Bad file descriptor) [pid 6209] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] chdir("./file0" [pid 6211] close(5 [pid 6209] <... futex resumed>) = 1 [pid 6206] close(10 [pid 6205] <... futex resumed>) = 0 [pid 6204] close(16 [pid 6212] <... chdir resumed>) = 0 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] close(6 [pid 6205] <... futex resumed>) = 0 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6211] close(7) = -1 EBADF (Bad file descriptor) [pid 6211] close(8) = -1 EBADF (Bad file descriptor) [pid 6211] close(9) = -1 EBADF (Bad file descriptor) [pid 6211] close(10) = -1 EBADF (Bad file descriptor) [pid 6211] close(11) = -1 EBADF (Bad file descriptor) [pid 6212] ioctl(4, LOOP_CLR_FD [pid 6211] close(12 [pid 6209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6206] close(11 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] close(13) = -1 EBADF (Bad file descriptor) [pid 6212] <... ioctl resumed>) = 0 [pid 6211] close(14 [pid 6209] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] close(17 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] close(4 [pid 6211] close(15 [pid 6206] close(12 [pid 6204] close(18 [pid 6215] <... write resumed>) = 2097152 [pid 6212] <... close resumed>) = 0 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] <... mkdirat resumed>) = 0 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] munmap(0x7f7a51cd9000, 2097152 [pid 6212] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] close(16 [pid 6209] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] close(13 [pid 6204] close(19 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] <... futex resumed>) = 1 [pid 6211] close(17 [pid 6209] <... futex resumed>) = 1 [pid 6208] <... futex resumed>) = 0 [pid 6206] close(14 [pid 6205] <... futex resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6204] close(20 [pid 6208] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6211] close(18 [pid 6208] <... futex resumed>) = 0 [pid 6206] close(15 [pid 6205] <... futex resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6204] close(21 [pid 6211] close(19 [pid 6209] <... symlinkat resumed>) = 0 [pid 6206] close(16 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] close(22 [pid 6211] close(20 [pid 6209] <... futex resumed>) = 1 [pid 6206] close(17 [pid 6205] <... futex resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] <... mkdirat resumed>) = 0 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6209] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] close(3 [pid 6204] close(23 [pid 6212] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] close(21 [pid 6206] close(18 [pid 6205] <... close resumed>) = 0 [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] <... futex resumed>) = 1 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... futex resumed>) = 0 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] close(4 [pid 6204] close(24 [pid 6212] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6211] close(22 [pid 6208] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6206] close(19 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... futex resumed>) = 0 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] close(5 [pid 6204] close(25 [pid 6211] close(23 [pid 6208] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6206] close(20 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] <... symlinkat resumed>) = 0 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] close(6 [pid 6204] close(26 [pid 6212] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6211] close(24 [pid 6206] close(21 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6212] <... futex resumed>) = 1 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... futex resumed>) = 0 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] close(7 [pid 6204] close(27 [pid 6212] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6211] close(25 [pid 6208] close(3 [pid 6206] close(22 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] <... munmap resumed>) = 0 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... close resumed>) = 0 [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] close(8 [pid 6204] close(28 [pid 6211] close(26 [pid 6208] close(4 [pid 6206] close(23 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] close(9 [pid 6204] close(29 [pid 6211] close(27 [pid 6208] close(5 [pid 6206] close(24 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6215] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] close(10 [pid 6204] exit_group(0 [pid 6215] <... openat resumed>) = 4 [pid 6211] close(28 [pid 6208] close(6 [pid 6207] <... futex resumed>) = ? [pid 6206] close(25 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6204] <... exit_group resumed>) = ? [pid 6215] ioctl(4, LOOP_SET_FD, 3 [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6207] +++ exited with 0 +++ [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] close(11 [pid 6211] close(29 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6211] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] close(12 [pid 6211] exit_group(0 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6213] <... futex resumed>) = ? [pid 6211] <... exit_group resumed>) = ? [pid 6205] close(13 [pid 6204] +++ exited with 0 +++ [pid 6206] close(26 [pid 6208] close(7 [pid 6213] +++ exited with 0 +++ [pid 6211] +++ exited with 0 +++ [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6205] close(14 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=4 /* 0.04 s */} --- [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... restart_syscall resumed>) = 0 [pid 6205] close(15) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6205] close(16 [pid 5079] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] close(17 [pid 5079] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... openat resumed>) = 3 [pid 6208] close(8 [pid 6206] close(27 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 5078] fstat(3, [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] close(18 [pid 5079] fstat(3, [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6208] close(9 [pid 6206] close(28 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(3, [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] close(19 [pid 5079] getdents64(3, [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6208] close(10 [pid 6206] close(29 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] close(20 [pid 5079] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6208] close(11 [pid 6206] exit_group(0 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./91/binderfs", [pid 6210] <... futex resumed>) = ? [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] <... exit_group resumed>) = ? [pid 6205] close(21 [pid 5079] lstat("./93/binderfs", [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6210] +++ exited with 0 +++ [pid 6208] close(12 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./91/binderfs" [pid 6205] close(22 [pid 5079] unlink("./93/binderfs" [pid 5078] <... unlink resumed>) = 0 [pid 6215] <... ioctl resumed>) = 0 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6206] +++ exited with 0 +++ [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5078] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6215] close(3 [pid 6208] close(13 [pid 6205] close(23 [pid 5079] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 6215] <... close resumed>) = 0 [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./91/cgroup", [pid 6215] mkdir("./file0", 0777 [pid 6205] close(24 [pid 5079] lstat("./93/cgroup", [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6215] <... mkdir resumed>) = 0 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./91/cgroup" [pid 6215] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6208] close(14 [pid 6205] close(25 [pid 5079] unlink("./93/cgroup" [pid 5078] <... unlink resumed>) = 0 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5074] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6208] close(15 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6208] close(16 [pid 5074] <... openat resumed>) = 3 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] fstat(3, [pid 6208] close(17 [pid 6205] close(26 [pid 5079] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, [pid 6208] close(18 [pid 6205] close(27 [pid 5079] lstat("./93/cgroup.net", [pid 5078] lstat("./91/cgroup.net", [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6208] close(19 [pid 6205] close(28 [pid 5079] unlink("./93/cgroup.net" [pid 5078] unlink("./91/cgroup.net" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5074] lstat("./86/binderfs", [pid 6208] close(20 [pid 6205] close(29 [pid 5079] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... unlink resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./86/binderfs" [pid 6208] close(21 [pid 5074] <... unlink resumed>) = 0 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] exit_group(0 [pid 5074] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6208] close(22 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./86/cgroup", [pid 6208] close(23 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 165.037810][ T6215] loop5: detected capacity change from 0 to 4096 [pid 5074] unlink("./86/cgroup" [pid 6208] close(24 [pid 5074] <... unlink resumed>) = 0 [pid 6209] <... futex resumed>) = ? [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6205] <... exit_group resumed>) = ? [pid 5074] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6209] +++ exited with 0 +++ [pid 6208] close(25 [pid 6205] +++ exited with 0 +++ [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=172, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5074] lstat("./86/cgroup.net", [pid 6208] close(26 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] unlink("./86/cgroup.net" [pid 6208] close(27 [pid 5074] <... unlink resumed>) = 0 [pid 6208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6208] close(28) = -1 EBADF (Bad file descriptor) [pid 6208] close(29) = -1 EBADF (Bad file descriptor) [pid 6208] exit_group(0 [pid 6212] <... futex resumed>) = ? [pid 6208] <... exit_group resumed>) = ? [pid 6212] +++ exited with 0 +++ [pid 6208] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5076] umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = 0 [pid 5076] openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5076] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] getdents64(3, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... openat resumed>) = 3 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] fstat(3, [pid 5076] lstat("./85/binderfs", [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] getdents64(3, [pid 5076] unlink("./85/binderfs") = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] umount2("./85/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./85/cgroup", [pid 5075] lstat("./87/binderfs", [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 5076] unlink("./85/cgroup" [pid 5075] unlink("./87/binderfs" [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5076] umount2("./85/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./85/cgroup.net", [pid 5075] lstat("./87/cgroup", [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] unlink("./85/cgroup.net" [pid 6215] <... mount resumed>) = 0 [pid 6215] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5076] <... unlink resumed>) = 0 [pid 5075] unlink("./87/cgroup" [pid 6215] <... openat resumed>) = 3 [pid 5076] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6215] chdir("./file0" [pid 5075] <... unlink resumed>) = 0 [pid 6215] <... chdir resumed>) = 0 [pid 5079] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6215] ioctl(4, LOOP_CLR_FD [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6215] <... ioctl resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = 0 [pid 5074] lstat("./86/file0", [pid 6215] close(4 [pid 5079] lstat("./93/file0", [pid 5075] lstat("./87/cgroup.net", [pid 6215] <... close resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6215] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6215] <... futex resumed>) = 1 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6215] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] openat(AT_FDCWD, "./86/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./86/file0" [pid 6214] <... futex resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 6214] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] unlink("./87/cgroup.net" [pid 5074] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6215] <... futex resumed>) = 0 [pid 6214] <... futex resumed>) = 1 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./91/file0", [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6215] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6214] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] openat(AT_FDCWD, "./93/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./86/cgroup.cpu", [pid 6215] <... mkdirat resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 5078] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6215] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] fstat(4, [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] unlink("./86/cgroup.cpu" [pid 6215] <... futex resumed>) = 1 [pid 6214] <... futex resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] openat(AT_FDCWD, "./91/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... unlink resumed>) = 0 [pid 6215] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6214] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] getdents64(4, [pid 5078] <... openat resumed>) = 4 [pid 5074] getdents64(3, [pid 6215] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6214] <... futex resumed>) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] fstat(4, [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6215] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6214] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] getdents64(4, [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] close(3 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] getdents64(4, [pid 5074] <... close resumed>) = 0 [pid 5079] close(4 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] rmdir("./86" [pid 6215] <... symlinkat resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5078] getdents64(4, [pid 5074] <... rmdir resumed>) = 0 [pid 6215] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] rmdir("./93/file0" [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] mkdir("./87", 0777 [pid 6215] <... futex resumed>) = 1 [pid 6214] <... futex resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] close(4 [pid 5074] <... mkdir resumed>) = 0 [pid 6215] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6214] close(3 [pid 5079] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... close resumed>) = 0 [pid 5076] <... umount2 resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6214] <... close resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] rmdir("./91/file0" [pid 5074] <... openat resumed>) = 3 [pid 6214] close(4 [pid 5079] lstat("./93/cgroup.cpu", [pid 5078] <... rmdir resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6214] close(5 [pid 5079] unlink("./93/cgroup.cpu" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] close(3 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5078] lstat("./91/cgroup.cpu", [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 [pid 5076] lstat("./85/file0", [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6216 attached [pid 6214] close(6 [pid 5079] getdents64(3, [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6216] set_robust_list(0x5555562845e0, 24 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5078] unlink("./91/cgroup.cpu" [pid 5076] umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 176 [pid 6216] <... set_robust_list resumed>) = 0 [pid 6214] close(7 [pid 5079] close(3 [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6216] chdir("./87" [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 5078] getdents64(3, [pid 5076] openat(AT_FDCWD, "./85/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6216] <... chdir resumed>) = 0 [pid 6214] close(8 [pid 5079] rmdir("./93" [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] <... openat resumed>) = 4 [pid 6216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... rmdir resumed>) = 0 [pid 5078] close(3 [pid 5076] fstat(4, [pid 6216] <... prctl resumed>) = 0 [pid 6214] close(9 [pid 5079] mkdir("./94", 0777 [pid 5078] <... close resumed>) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6216] setpgid(0, 0 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... mkdir resumed>) = 0 [pid 5078] rmdir("./91" [pid 5076] getdents64(4, [pid 6216] <... setpgid resumed>) = 0 [pid 6214] close(10 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5078] <... rmdir resumed>) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6216] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 5078] mkdir("./92", 0777 [pid 5076] getdents64(4, [pid 6216] <... symlink resumed>) = 0 [pid 6214] close(11 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5078] <... mkdir resumed>) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6216] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5076] close(4 [pid 6216] <... symlink resumed>) = 0 [pid 6214] close(12 [pid 5079] close(3 [pid 5078] <... openat resumed>) = 3 [pid 5076] <... close resumed>) = 0 [pid 6216] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5076] rmdir("./85/file0" [pid 6216] <... symlink resumed>) = 0 [pid 6214] close(13 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] <... rmdir resumed>) = 0 [pid 6216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./85/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6217 attached [pid 6216] <... openat resumed>) = 3 [pid 6214] close(14 [pid 5078] close(3 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = 0 [pid 6217] set_robust_list(0x5555562845e0, 24 [pid 6216] write(3, "1000", 4 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 190 [pid 5078] <... close resumed>) = 0 [pid 5076] lstat("./85/cgroup.cpu", [pid 6217] <... set_robust_list resumed>) = 0 [pid 6216] <... write resumed>) = 4 [pid 6214] close(15 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6217] chdir("./94" [pid 6216] close(3 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] unlink("./85/cgroup.cpu"./strace-static-x86_64: Process 6218 attached [pid 6217] <... chdir resumed>) = 0 [pid 6216] <... close resumed>) = 0 [pid 6214] close(16 [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6218] set_robust_list(0x5555562845e0, 24 [pid 6217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6216] symlink("/dev/binderfs", "./binderfs" [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 186 [pid 5076] getdents64(3, [pid 5075] lstat("./87/file0", [pid 6218] <... set_robust_list resumed>) = 0 [pid 6217] <... prctl resumed>) = 0 [pid 6216] <... symlink resumed>) = 0 [pid 6214] close(17 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6218] chdir("./92" [pid 6217] setpgid(0, 0 [pid 6216] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] close(3 [pid 5075] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6218] <... chdir resumed>) = 0 [pid 6217] <... setpgid resumed>) = 0 [pid 6216] <... futex resumed>) = 0 [pid 6214] close(18 [pid 5076] <... close resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6217] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] rmdir("./85" [pid 5075] openat(AT_FDCWD, "./87/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6218] <... prctl resumed>) = 0 [pid 6217] <... symlink resumed>) = 0 [pid 6216] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6214] close(19 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... openat resumed>) = 4 [pid 6218] setpgid(0, 0 [pid 6217] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6216] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] mkdir("./86", 0777 [pid 5075] fstat(4, [pid 6218] <... setpgid resumed>) = 0 [pid 6217] <... symlink resumed>) = 0 [pid 6216] <... mprotect resumed>) = 0 [pid 6214] close(20 [pid 5076] <... mkdir resumed>) = 0 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6218] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6217] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6216] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5075] getdents64(4, ./strace-static-x86_64: Process 6219 attached [pid 6218] <... symlink resumed>) = 0 [pid 6217] <... symlink resumed>) = 0 [pid 6214] close(21 [pid 5076] <... openat resumed>) = 3 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6219] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6218] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6216] <... clone resumed>, parent_tid=[177], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 177 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5075] getdents64(4, [pid 6219] <... set_robust_list resumed>) = 0 [pid 6218] <... symlink resumed>) = 0 [pid 6217] <... openat resumed>) = 3 [pid 6216] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] close(22 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6219] memfd_create("syzkaller", 0 [pid 6218] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6217] write(3, "1000", 4 [pid 6216] <... futex resumed>) = 0 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] close(3 [pid 5075] close(4 [pid 6219] <... memfd_create resumed>) = 3 [pid 6218] <... symlink resumed>) = 0 [pid 6217] <... write resumed>) = 4 [pid 6216] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6214] close(23 [pid 5076] <... close resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 6219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6217] close(3 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] rmdir("./87/file0"./strace-static-x86_64: Process 6220 attached [pid 6219] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6218] <... openat resumed>) = 3 [pid 6217] <... close resumed>) = 0 [pid 6214] close(24 [pid 5075] <... rmdir resumed>) = 0 [pid 6220] set_robust_list(0x5555562845e0, 24 [pid 6218] write(3, "1000", 4 [pid 6217] symlink("/dev/binderfs", "./binderfs" [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 174 [pid 5075] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6220] <... set_robust_list resumed>) = 0 [pid 6218] <... write resumed>) = 4 [pid 6217] <... symlink resumed>) = 0 [pid 6214] close(25 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6220] chdir("./86" [pid 6218] close(3 [pid 6217] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] lstat("./87/cgroup.cpu", [pid 6220] <... chdir resumed>) = 0 [pid 6218] <... close resumed>) = 0 [pid 6217] <... futex resumed>) = 0 [pid 6214] close(26 [pid 6220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6218] symlink("/dev/binderfs", "./binderfs" [pid 6217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6220] <... prctl resumed>) = 0 [pid 6218] <... symlink resumed>) = 0 [pid 6217] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6214] close(27 [pid 5075] unlink("./87/cgroup.cpu" [pid 6220] setpgid(0, 0 [pid 6218] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... setpgid resumed>) = 0 [pid 6218] <... futex resumed>) = 0 [pid 6217] <... mprotect resumed>) = 0 [pid 6214] close(28 [pid 5075] <... unlink resumed>) = 0 [pid 6220] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6217] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6221 attached [pid 6220] <... symlink resumed>) = 0 [pid 6219] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6218] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6214] close(29 [pid 5075] getdents64(3, [pid 6221] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6220] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6218] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6217] <... clone resumed>, parent_tid=[191], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 191 [pid 6214] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6221] <... set_robust_list resumed>) = 0 [pid 6220] <... symlink resumed>) = 0 [pid 6218] <... mprotect resumed>) = 0 [pid 6217] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] exit_group(0 [pid 5075] close(3 [pid 6220] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6217] <... futex resumed>) = 0 [pid 6220] <... symlink resumed>) = 0 [pid 6217] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6221] memfd_create("syzkaller", 0 [pid 6220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6215] <... futex resumed>) = ? [pid 6214] <... exit_group resumed>) = ? [pid 6221] <... memfd_create resumed>) = 3 [pid 6220] <... openat resumed>) = 3 [pid 6218] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6215] +++ exited with 0 +++ [pid 5075] <... close resumed>) = 0 [pid 6220] write(3, "1000", 4) = 4 [pid 6220] close(3) = 0 [pid 6220] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6220] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6214] +++ exited with 0 +++ [pid 6220] <... futex resumed>) = 0 [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5075] rmdir("./87"./strace-static-x86_64: Process 6222 attached [pid 6221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6222] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6220] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5075] <... rmdir resumed>) = 0 [pid 6222] <... set_robust_list resumed>) = 0 [pid 6220] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5077] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6218] <... clone resumed>, parent_tid=[187], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 187 [pid 5075] mkdir("./88", 0777 [pid 6222] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6220] <... mprotect resumed>) = 0 [pid 6218] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6218] <... futex resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6223 attached [pid 6222] memfd_create("syzkaller", 0 [pid 6218] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5077] <... openat resumed>) = 3 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6223] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6222] <... memfd_create resumed>) = 3 [pid 6220] <... clone resumed>, parent_tid=[175], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 175 [pid 5077] fstat(3, [pid 6223] <... set_robust_list resumed>) = 0 [pid 6222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6220] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... openat resumed>) = 3 [pid 6223] memfd_create("syzkaller", 0 [pid 6222] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6220] <... futex resumed>) = 0 [pid 5077] getdents64(3, [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6223] <... memfd_create resumed>) = 3 [pid 6220] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5077] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6223] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] close(3 [pid 5077] lstat("./88/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] <... close resumed>) = 0 [pid 5077] unlink("./88/binderfs") = 0 [pid 5077] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./88/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] unlink("./88/cgroup") = 0 [pid 5077] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./88/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] unlink("./88/cgroup.net") = 0 [pid 5077] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6224 attached [pid 6224] set_robust_list(0x5555562845e0, 24 [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 178 [pid 6224] <... set_robust_list resumed>) = 0 [pid 6224] chdir("./88") = 0 [pid 6224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6224] setpgid(0, 0) = 0 [pid 6224] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6224] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6224] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6223] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6224] <... openat resumed>) = 3 [pid 6224] write(3, "1000", 4) = 4 [pid 6224] close(3) = 0 [pid 6224] symlink("/dev/binderfs", "./binderfs" [pid 6221] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6224] <... symlink resumed>) = 0 [pid 5077] <... umount2 resumed>) = 0 [pid 6224] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6224] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6224] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6225 attached [pid 6225] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6224] <... clone resumed>, parent_tid=[179], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 179 [pid 6225] <... set_robust_list resumed>) = 0 [pid 6224] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] memfd_create("syzkaller", 0) = 3 [pid 6224] <... futex resumed>) = 0 [pid 6225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6224] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6225] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5077] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6219] <... write resumed>) = 2097152 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./88/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] openat(AT_FDCWD, "./88/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5077] fstat(4, [pid 6219] munmap(0x7f7a51cd9000, 2097152 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5077] close(4) = 0 [pid 5077] rmdir("./88/file0") = 0 [pid 5077] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./88/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] unlink("./88/cgroup.cpu") = 0 [pid 6219] <... munmap resumed>) = 0 [pid 5077] getdents64(3, [pid 6222] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] close(3) = 0 [pid 5077] rmdir("./88" [pid 6219] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5077] <... rmdir resumed>) = 0 [pid 5077] mkdir("./89", 0777 [pid 6219] <... openat resumed>) = 4 [pid 5077] <... mkdir resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6219] ioctl(4, LOOP_SET_FD, 3 [pid 5077] <... openat resumed>) = 3 [pid 5077] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5077] close(3) = 0 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6226 attached [pid 6226] set_robust_list(0x5555562845e0, 24 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 180 [pid 6226] <... set_robust_list resumed>) = 0 [pid 6226] chdir("./89") = 0 [pid 6226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6226] setpgid(0, 0) = 0 [pid 6226] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 6226] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 6226] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 6226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6226] write(3, "1000", 4) = 4 [pid 6226] close(3) = 0 [pid 6226] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6226] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6226] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6226] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6221] <... write resumed>) = 2097152 ./strace-static-x86_64: Process 6227 attached [pid 6221] munmap(0x7f7a51cd9000, 2097152 [pid 6219] <... ioctl resumed>) = 0 [pid 6227] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6226] <... clone resumed>, parent_tid=[181], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 181 [pid 6227] <... set_robust_list resumed>) = 0 [pid 6226] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] close(3 [pid 6226] <... futex resumed>) = 0 [pid 6226] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6227] memfd_create("syzkaller", 0) = 3 [pid 6227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6219] <... close resumed>) = 0 [pid 6227] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6219] mkdir("./file0", 0777) = 0 [pid 6219] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6221] <... munmap resumed>) = 0 [pid 6225] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6221] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 165.531148][ T6219] loop0: detected capacity change from 0 to 4096 [pid 6221] ioctl(4, LOOP_SET_FD, 3 [pid 6223] <... write resumed>) = 2097152 [pid 6223] munmap(0x7f7a51cd9000, 2097152 [pid 6222] <... write resumed>) = 2097152 [pid 6223] <... munmap resumed>) = 0 [pid 6223] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6223] ioctl(4, LOOP_SET_FD, 3 [pid 6221] <... ioctl resumed>) = 0 [pid 6221] close(3) = 0 [pid 6221] mkdir("./file0", 0777) = 0 [pid 6221] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6223] <... ioctl resumed>) = 0 [pid 6223] close(3) = 0 [pid 6223] mkdir("./file0", 0777) = 0 [pid 6223] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [ 165.589206][ T6221] loop2: detected capacity change from 0 to 4096 [ 165.619276][ T6223] loop4: detected capacity change from 0 to 4096 [pid 6222] munmap(0x7f7a51cd9000, 2097152 [pid 6225] <... write resumed>) = 2097152 [pid 6219] <... mount resumed>) = 0 [pid 6222] <... munmap resumed>) = 0 [pid 6219] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6227] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6219] <... openat resumed>) = 3 [pid 6222] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6219] chdir("./file0" [pid 6222] <... openat resumed>) = 4 [pid 6222] ioctl(4, LOOP_SET_FD, 3 [pid 6219] <... chdir resumed>) = 0 [pid 6225] munmap(0x7f7a51cd9000, 2097152 [pid 6219] ioctl(4, LOOP_CLR_FD) = 0 [pid 6219] close(4) = 0 [pid 6225] <... munmap resumed>) = 0 [pid 6225] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6225] ioctl(4, LOOP_SET_FD, 3 [pid 6221] <... mount resumed>) = 0 [pid 6219] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6227] <... write resumed>) = 2097152 [pid 6227] munmap(0x7f7a51cd9000, 2097152 [pid 6222] <... ioctl resumed>) = 0 [pid 6221] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6219] <... futex resumed>) = 1 [pid 6216] <... futex resumed>) = 0 [pid 6222] close(3 [pid 6219] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6216] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... close resumed>) = 0 [pid 6221] <... openat resumed>) = 3 [pid 6216] <... futex resumed>) = 0 [pid 6222] mkdir("./file0", 0777 [pid 6221] chdir("./file0" [pid 6216] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6222] <... mkdir resumed>) = 0 [pid 6221] <... chdir resumed>) = 0 [pid 6219] <... mkdirat resumed>) = 0 [pid 6222] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6221] ioctl(4, LOOP_CLR_FD [pid 6219] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... ioctl resumed>) = 0 [pid 6219] <... futex resumed>) = 1 [pid 6216] <... futex resumed>) = 0 [ 165.686322][ T6222] loop1: detected capacity change from 0 to 4096 [ 165.719984][ T6225] loop3: detected capacity change from 0 to 4096 [pid 6221] close(4 [pid 6219] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6216] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... close resumed>) = 0 [pid 6223] <... mount resumed>) = 0 [pid 6223] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6223] chdir("./file0") = 0 [pid 6223] ioctl(4, LOOP_CLR_FD) = 0 [pid 6223] close(4) = 0 [pid 6223] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6220] <... futex resumed>) = 0 [pid 6223] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] <... futex resumed>) = 0 [pid 6223] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6220] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6223] <... mkdirat resumed>) = 0 [pid 6221] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] <... futex resumed>) = 1 [pid 6217] <... futex resumed>) = 0 [pid 6223] <... futex resumed>) = 1 [pid 6221] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] <... futex resumed>) = 0 [pid 6217] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6223] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] <... futex resumed>) = 0 [pid 6216] <... futex resumed>) = 0 [pid 6225] <... ioctl resumed>) = 0 [pid 6223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6221] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6220] <... futex resumed>) = 0 [pid 6219] <... symlinkat resumed>) = 0 [pid 6217] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6225] close(3 [pid 6223] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6220] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6225] <... close resumed>) = 0 [pid 6223] <... symlinkat resumed>) = 0 [pid 6221] <... mkdirat resumed>) = 0 [pid 6219] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6225] mkdir("./file0", 0777 [pid 6223] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6221] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6219] <... futex resumed>) = 1 [pid 6216] <... futex resumed>) = 0 [pid 6225] <... mkdir resumed>) = 0 [pid 6223] <... futex resumed>) = 1 [pid 6221] <... futex resumed>) = 1 [pid 6220] <... futex resumed>) = 0 [pid 6219] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6217] <... futex resumed>) = 0 [pid 6216] close(3 [pid 6225] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6223] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6221] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] close(3 [pid 6217] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6216] <... close resumed>) = 0 [pid 6221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] <... close resumed>) = 0 [pid 6217] <... futex resumed>) = 0 [pid 6216] close(4 [pid 6227] <... munmap resumed>) = 0 [pid 6221] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6220] close(4 [pid 6217] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6221] <... symlinkat resumed>) = 0 [pid 6220] close(5 [pid 6216] close(5 [pid 6227] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6221] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] <... openat resumed>) = 4 [pid 6221] <... futex resumed>) = 1 [pid 6220] close(6 [pid 6217] <... futex resumed>) = 0 [pid 6216] close(6 [pid 6227] ioctl(4, LOOP_SET_FD, 3 [pid 6221] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(3 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] close(7 [pid 6217] <... close resumed>) = 0 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(4 [pid 6220] close(8 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(5 [pid 6220] close(9 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(6 [pid 6220] close(10 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(7 [pid 6220] close(11 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(8 [pid 6220] close(12 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(9 [pid 6220] close(13 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(10 [pid 6220] close(14 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(11 [pid 6220] close(15 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] <... ioctl resumed>) = 0 [pid 6222] <... mount resumed>) = 0 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(12 [pid 6216] close(7 [pid 6222] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6220] close(16 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] <... openat resumed>) = 3 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(13 [pid 6227] close(3 [pid 6222] chdir("./file0" [pid 6220] close(17 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] <... close resumed>) = 0 [pid 6222] <... chdir resumed>) = 0 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(14 [pid 6216] close(8 [pid 6227] mkdir("./file0", 0777 [pid 6222] ioctl(4, LOOP_CLR_FD [pid 6220] close(18 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] <... mkdir resumed>) = 0 [pid 6222] <... ioctl resumed>) = 0 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(15 [pid 6216] close(9 [pid 6227] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6225] <... mount resumed>) = 0 [pid 6222] close(4 [pid 6220] close(19 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(10 [pid 6225] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6222] <... close resumed>) = 0 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(16 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... openat resumed>) = 3 [pid 6222] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] close(20 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(11 [pid 6225] chdir("./file0" [pid 6222] <... futex resumed>) = 1 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] <... futex resumed>) = 0 [pid 6217] close(17 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 165.817890][ T6227] loop5: detected capacity change from 0 to 4096 [pid 6225] <... chdir resumed>) = 0 [pid 6222] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] close(21 [pid 6218] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(12 [pid 6225] ioctl(4, LOOP_CLR_FD [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] <... futex resumed>) = 0 [pid 6217] close(18 [pid 6225] <... ioctl resumed>) = 0 [pid 6222] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6220] close(22 [pid 6218] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] close(4 [pid 6222] <... mkdirat resumed>) = 0 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(19 [pid 6216] close(13 [pid 6225] <... close resumed>) = 0 [pid 6222] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] close(23 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... futex resumed>) = 1 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] <... futex resumed>) = 0 [pid 6217] close(20 [pid 6216] close(14 [pid 6225] <... futex resumed>) = 1 [pid 6224] <... futex resumed>) = 0 [pid 6222] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] close(24 [pid 6218] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6224] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] <... futex resumed>) = 0 [pid 6217] close(21 [pid 6216] close(15 [pid 6225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6224] <... futex resumed>) = 0 [pid 6222] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6220] close(25 [pid 6218] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6224] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(22 [pid 6216] close(16 [pid 6220] close(26 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(23 [pid 6216] close(17 [pid 6220] close(27 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... mkdirat resumed>) = 0 [pid 6222] <... symlinkat resumed>) = 0 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(24 [pid 6216] close(18 [pid 6225] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6220] close(28 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... futex resumed>) = 1 [pid 6224] <... futex resumed>) = 0 [pid 6222] <... futex resumed>) = 1 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] <... futex resumed>) = 0 [pid 6217] close(25 [pid 6225] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6224] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6222] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6220] close(29 [pid 6218] close(3 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6224] <... futex resumed>) = 0 [pid 6220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] <... close resumed>) = 0 [pid 6217] close(26 [pid 6225] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6224] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6220] exit_group(0 [pid 6218] close(4 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6223] <... futex resumed>) = ? [pid 6220] <... exit_group resumed>) = ? [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(27 [pid 6223] +++ exited with 0 +++ [pid 6220] +++ exited with 0 +++ [pid 6218] close(5 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(19 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(28 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6218] close(6 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(20 [pid 6227] <... mount resumed>) = 0 [pid 6225] <... symlinkat resumed>) = 0 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] close(29 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6225] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6218] close(7 [pid 6217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] close(21 [pid 5076] umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6227] <... openat resumed>) = 3 [pid 6225] <... futex resumed>) = 1 [pid 6224] <... futex resumed>) = 0 [pid 6227] chdir("./file0" [pid 6225] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6224] close(3 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6217] exit_group(0 [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6227] <... chdir resumed>) = 0 [pid 6224] <... close resumed>) = 0 [pid 6221] <... futex resumed>) = ? [pid 6218] close(8 [pid 6217] <... exit_group resumed>) = ? [pid 6216] close(22 [pid 5076] openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6227] ioctl(4, LOOP_CLR_FD [pid 6224] close(4 [pid 6221] +++ exited with 0 +++ [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] <... ioctl resumed>) = 0 [pid 6227] close(4 [pid 6217] +++ exited with 0 +++ [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... openat resumed>) = 3 [pid 6227] <... close resumed>) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(9 [pid 6216] close(23 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5076] fstat(3, [pid 6227] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] close(5 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6227] <... futex resumed>) = 1 [pid 6226] <... futex resumed>) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(10 [pid 6216] close(24 [pid 5076] getdents64(3, [pid 6227] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] close(6 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] <... futex resumed>) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(11 [pid 6216] close(25 [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6227] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6226] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6224] close(7 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6227] <... mkdirat resumed>) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(12 [pid 6216] close(26 [pid 5079] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6227] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] close(8 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./86/binderfs", [pid 6227] <... futex resumed>) = 1 [pid 6226] <... futex resumed>) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(13 [pid 6216] close(27 [pid 5079] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6227] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] close(9 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6226] <... futex resumed>) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(14 [pid 6216] close(28 [pid 5079] fstat(3, [pid 5076] unlink("./86/binderfs" [pid 6227] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6226] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6224] close(10 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6227] <... symlinkat resumed>) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(15 [pid 6216] close(29 [pid 5079] getdents64(3, [pid 5076] <... unlink resumed>) = 0 [pid 6227] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6224] close(11 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] umount2("./86/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6227] <... futex resumed>) = 1 [pid 6226] <... futex resumed>) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(16 [pid 6216] exit_group(0 [pid 5079] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6227] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6226] close(3 [pid 6224] close(12 [pid 6219] <... futex resumed>) = ? [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6216] <... exit_group resumed>) = ? [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./86/cgroup", [pid 6226] <... close resumed>) = 0 [pid 6219] +++ exited with 0 +++ [pid 5079] lstat("./94/binderfs", [pid 6226] close(4 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(17 [pid 5079] unlink("./94/binderfs" [pid 6226] close(5 [pid 5079] <... unlink resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(13 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6226] close(6 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(18 [pid 6216] +++ exited with 0 +++ [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] unlink("./86/cgroup" [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(14 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./94/cgroup", [pid 6226] close(7 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(19 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(15 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./94/cgroup" [pid 5076] umount2("./86/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6226] close(8 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(20 [pid 5079] <... unlink resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(16 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] lstat("./86/cgroup.net", [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6226] close(9 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(21 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(17 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./94/cgroup.net", [pid 5076] unlink("./86/cgroup.net" [pid 5074] <... openat resumed>) = 3 [pid 6226] close(10 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(22 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5074] fstat(3, [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(18 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./94/cgroup.net" [pid 5076] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6226] close(11 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(23 [pid 5079] <... unlink resumed>) = 0 [pid 5074] getdents64(3, [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(19 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(24 [pid 5074] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6224] close(20 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6226] close(12 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(25 [pid 5074] lstat("./87/binderfs", [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] close(21 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(26 [pid 5074] unlink("./87/binderfs" [pid 6224] close(22 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... unlink resumed>) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(27 [pid 5074] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6224] close(23 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(28 [pid 5074] lstat("./87/cgroup", [pid 6224] close(24 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] close(29 [pid 5074] unlink("./87/cgroup" [pid 6224] close(25 [pid 6218] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... unlink resumed>) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6218] exit_group(0 [pid 5074] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6224] close(26 [pid 6222] <... futex resumed>) = ? [pid 6218] <... exit_group resumed>) = ? [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6222] +++ exited with 0 +++ [pid 6218] +++ exited with 0 +++ [pid 5074] lstat("./87/cgroup.net", [pid 6224] close(27 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] unlink("./87/cgroup.net" [pid 6226] close(13 [pid 6224] close(28 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6226] close(14 [pid 6224] close(29 [pid 5074] <... unlink resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6224] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6226] close(15 [pid 5078] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6226] close(16 [pid 6224] exit_group(0 [pid 5078] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6225] <... futex resumed>) = ? [pid 6224] <... exit_group resumed>) = ? [pid 5078] <... openat resumed>) = 3 [pid 6226] close(17 [pid 5078] fstat(3, [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6226] close(18 [pid 6225] +++ exited with 0 +++ [pid 6224] +++ exited with 0 +++ [pid 5078] getdents64(3, [pid 5076] <... umount2 resumed>) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6226] close(19 [pid 5078] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 6226] close(20 [pid 5078] lstat("./92/binderfs", [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6226] close(21 [pid 5078] unlink("./92/binderfs" [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 6226] close(22 [pid 5078] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6226] close(23 [pid 5078] lstat("./92/cgroup", [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6226] close(24 [pid 5078] unlink("./92/cgroup" [pid 5076] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 6226] close(25 [pid 5078] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6226] close(26 [pid 5078] lstat("./92/cgroup.net", [pid 5076] lstat("./86/file0", [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6226] close(27 [pid 5078] unlink("./92/cgroup.net" [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 6226] close(28 [pid 5078] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6226] close(29 [pid 5079] <... umount2 resumed>) = 0 [pid 5078] <... umount2 resumed>) = 0 [pid 5076] openat(AT_FDCWD, "./86/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6226] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... openat resumed>) = 4 [pid 5075] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6226] exit_group(0 [pid 5076] fstat(4, [pid 6227] <... futex resumed>) = ? [pid 6226] <... exit_group resumed>) = ? [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... openat resumed>) = 3 [pid 6227] +++ exited with 0 +++ [pid 6226] +++ exited with 0 +++ [pid 5079] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] getdents64(4, [pid 5074] <... umount2 resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] fstat(3, [pid 5079] lstat("./94/file0", [pid 5076] getdents64(4, [pid 5074] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] close(4 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... close resumed>) = 0 [pid 5075] getdents64(3, [pid 5074] lstat("./87/file0", [pid 5079] openat(AT_FDCWD, "./94/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] rmdir("./86/file0" [pid 5079] <... openat resumed>) = 4 [pid 5077] <... openat resumed>) = 3 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] fstat(4, [pid 5077] fstat(3, [pid 5076] umount2("./86/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] getdents64(4, [pid 5077] getdents64(3, [pid 5076] lstat("./86/cgroup.cpu", [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] lstat("./88/binderfs", [pid 5079] getdents64(4, [pid 5077] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] unlink("./86/cgroup.cpu" [pid 5074] openat(AT_FDCWD, "./87/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] close(4 [pid 5077] lstat("./89/binderfs", [pid 5076] getdents64(3, [pid 5075] unlink("./88/binderfs" [pid 5074] <... openat resumed>) = 4 [pid 5079] <... close resumed>) = 0 [pid 5078] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5079] rmdir("./94/file0" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] unlink("./89/binderfs" [pid 5076] close(3 [pid 5075] <... unlink resumed>) = 0 [pid 5074] fstat(4, [pid 5078] lstat("./92/file0", [pid 5076] <... close resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] rmdir("./86" [pid 5079] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] mkdir("./87", 0777 [pid 5079] lstat("./94/cgroup.cpu", [pid 5078] openat(AT_FDCWD, "./92/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... mkdir resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(4, [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... openat resumed>) = 4 [pid 5077] lstat("./89/cgroup", [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5075] lstat("./88/cgroup", [pid 5079] unlink("./94/cgroup.cpu" [pid 5078] fstat(4, [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] unlink("./89/cgroup" [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] getdents64(3, [pid 5078] getdents64(4, [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] unlink("./88/cgroup" [pid 5074] getdents64(4, [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] close(3 [pid 5079] close(3 [pid 5078] getdents64(4, [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... close resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6228 attached [pid 5079] <... close resumed>) = 0 [pid 5078] close(4 [pid 5077] lstat("./89/cgroup.net", [pid 5075] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] close(4 [pid 6228] set_robust_list(0x5555562845e0, 24 [pid 5079] rmdir("./94" [pid 5078] <... close resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 176 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 [pid 6228] <... set_robust_list resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] rmdir("./92/file0" [pid 5077] unlink("./89/cgroup.net" [pid 6228] chdir("./87" [pid 5079] mkdir("./95", 0777 [pid 5078] <... rmdir resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5075] lstat("./88/cgroup.net", [pid 5074] rmdir("./87/file0" [pid 6228] <... chdir resumed>) = 0 [pid 5078] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... mkdir resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6228] <... prctl resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5078] lstat("./92/cgroup.cpu", [pid 5077] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... rmdir resumed>) = 0 [pid 6228] setpgid(0, 0 [pid 5079] <... openat resumed>) = 3 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] unlink("./88/cgroup.net" [pid 6228] <... setpgid resumed>) = 0 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5078] unlink("./92/cgroup.cpu" [pid 5074] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6228] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] <... unlink resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6228] <... symlink resumed>) = 0 [pid 5079] close(3 [pid 5078] getdents64(3, [pid 5075] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./87/cgroup.cpu", [pid 6228] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5079] <... close resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6228] <... symlink resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] close(3 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6228] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5078] <... close resumed>) = 0 [pid 6228] <... symlink resumed>) = 0 [pid 5078] rmdir("./92" [pid 6228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] <... rmdir resumed>) = 0 [pid 5074] unlink("./87/cgroup.cpu"./strace-static-x86_64: Process 6229 attached [pid 6228] <... openat resumed>) = 3 [pid 5078] mkdir("./93", 0777 [pid 6229] set_robust_list(0x5555562845e0, 24 [pid 6228] write(3, "1000", 4 [pid 5078] <... mkdir resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 6229] <... set_robust_list resumed>) = 0 [pid 6228] <... write resumed>) = 4 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6229] chdir("./95" [pid 6228] close(3 [pid 5078] <... openat resumed>) = 3 [pid 5074] getdents64(3, [pid 6229] <... chdir resumed>) = 0 [pid 6228] <... close resumed>) = 0 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6228] symlink("/dev/binderfs", "./binderfs" [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 192 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6229] <... prctl resumed>) = 0 [pid 6228] <... symlink resumed>) = 0 [pid 5078] close(3 [pid 5074] close(3 [pid 6229] setpgid(0, 0 [pid 6228] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... close resumed>) = 0 [pid 6229] <... setpgid resumed>) = 0 [pid 6228] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... close resumed>) = 0 ./strace-static-x86_64: Process 6230 attached [pid 6229] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5074] rmdir("./87" [pid 6230] set_robust_list(0x5555562845e0, 24 [pid 6229] <... symlink resumed>) = 0 [pid 6228] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 188 [pid 6230] <... set_robust_list resumed>) = 0 [pid 6229] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6228] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5074] <... rmdir resumed>) = 0 [pid 6230] chdir("./93" [pid 6229] <... symlink resumed>) = 0 [pid 6228] <... mprotect resumed>) = 0 [pid 6230] <... chdir resumed>) = 0 [pid 6229] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6228] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6231 attached [pid 6230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6229] <... symlink resumed>) = 0 [pid 6231] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6230] <... prctl resumed>) = 0 [pid 6229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6228] <... clone resumed>, parent_tid=[177], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 177 [pid 6231] <... set_robust_list resumed>) = 0 [pid 6230] setpgid(0, 0 [pid 6229] <... openat resumed>) = 3 [pid 6228] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] memfd_create("syzkaller", 0 [pid 6230] <... setpgid resumed>) = 0 [pid 6229] write(3, "1000", 4 [pid 6228] <... futex resumed>) = 0 [pid 5074] mkdir("./88", 0777 [pid 6231] <... memfd_create resumed>) = 3 [pid 6230] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6229] <... write resumed>) = 4 [pid 6228] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6230] <... symlink resumed>) = 0 [pid 6229] close(3 [pid 5074] <... mkdir resumed>) = 0 [pid 6231] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6230] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6229] <... close resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6230] <... symlink resumed>) = 0 [pid 6229] symlink("/dev/binderfs", "./binderfs" [pid 5077] <... umount2 resumed>) = 0 [pid 5075] <... umount2 resumed>) = 0 [pid 6230] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6229] <... symlink resumed>) = 0 [pid 5077] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... openat resumed>) = 3 [pid 6230] <... symlink resumed>) = 0 [pid 6229] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6229] <... futex resumed>) = 0 [pid 5077] lstat("./89/file0", [pid 6230] <... openat resumed>) = 3 [pid 6229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6230] write(3, "1000", 4 [pid 6229] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5077] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6230] <... write resumed>) = 4 [pid 6229] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] close(3 [pid 6230] close(3 [pid 6229] <... mprotect resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./89/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6230] <... close resumed>) = 0 [pid 6229] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5077] <... openat resumed>) = 4 [pid 5074] <... close resumed>) = 0 ./strace-static-x86_64: Process 6232 attached [pid 6230] symlink("/dev/binderfs", "./binderfs" [pid 5077] fstat(4, [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6232] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6230] <... symlink resumed>) = 0 [pid 6229] <... clone resumed>, parent_tid=[193], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 193 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6232] <... set_robust_list resumed>) = 0 [pid 6230] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] getdents64(4, ./strace-static-x86_64: Process 6233 attached [pid 6232] memfd_create("syzkaller", 0 [pid 6230] <... futex resumed>) = 0 [pid 6229] <... futex resumed>) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6233] set_robust_list(0x5555562845e0, 24 [pid 6232] <... memfd_create resumed>) = 3 [pid 6230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6229] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5077] getdents64(4, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 178 [pid 6233] <... set_robust_list resumed>) = 0 [pid 6232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6230] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] lstat("./88/file0", [pid 6233] chdir("./88" [pid 6232] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6230] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5077] close(4 [pid 6233] <... chdir resumed>) = 0 [pid 6230] <... mprotect resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6233] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6230] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5077] rmdir("./89/file0"./strace-static-x86_64: Process 6234 attached [pid 6233] <... prctl resumed>) = 0 [pid 5077] <... rmdir resumed>) = 0 [pid 5075] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6234] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6233] setpgid(0, 0 [pid 6230] <... clone resumed>, parent_tid=[189], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 189 [pid 5077] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6234] <... set_robust_list resumed>) = 0 [pid 6233] <... setpgid resumed>) = 0 [pid 6230] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] openat(AT_FDCWD, "./88/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6234] memfd_create("syzkaller", 0 [pid 6231] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6230] <... futex resumed>) = 0 [pid 5077] lstat("./89/cgroup.cpu", [pid 6234] <... memfd_create resumed>) = 3 [pid 6230] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5077] unlink("./89/cgroup.cpu" [pid 6234] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5077] <... unlink resumed>) = 0 [pid 6233] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5077] getdents64(3, [pid 5075] <... openat resumed>) = 4 [pid 6233] <... symlink resumed>) = 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] close(3) = 0 [pid 5077] rmdir("./89" [pid 6233] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5077] <... rmdir resumed>) = 0 [pid 5075] fstat(4, [pid 6233] <... symlink resumed>) = 0 [pid 5077] mkdir("./90", 0777 [pid 6233] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5077] <... mkdir resumed>) = 0 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6233] <... symlink resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] <... openat resumed>) = 3 [pid 5075] getdents64(4, [pid 5077] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] close(3 [pid 5075] getdents64(4, [pid 5077] <... close resumed>) = 0 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6235 attached [pid 5075] close(4 [pid 6235] set_robust_list(0x5555562845e0, 24 [pid 6233] <... openat resumed>) = 3 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 182 [pid 6235] <... set_robust_list resumed>) = 0 [pid 6233] write(3, "1000", 4 [pid 5075] <... close resumed>) = 0 [pid 6235] chdir("./90" [pid 6233] <... write resumed>) = 4 [pid 5075] rmdir("./88/file0" [pid 6235] <... chdir resumed>) = 0 [pid 6233] close(3 [pid 6235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6235] setpgid(0, 0 [pid 6233] <... close resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 6235] <... setpgid resumed>) = 0 [pid 6233] symlink("/dev/binderfs", "./binderfs" [pid 5075] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6235] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6232] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6235] <... symlink resumed>) = 0 [pid 6233] <... symlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6235] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 6233] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] lstat("./88/cgroup.cpu", [pid 6235] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 6233] <... futex resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5075] unlink("./88/cgroup.cpu" [pid 6235] write(3, "1000", 4 [pid 6233] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6235] <... write resumed>) = 4 [pid 6233] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5075] <... unlink resumed>) = 0 [pid 6235] close(3 [pid 6233] <... mprotect resumed>) = 0 [pid 5075] getdents64(3, [pid 6235] <... close resumed>) = 0 [pid 6235] symlink("/dev/binderfs", "./binderfs" [pid 6233] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6235] <... symlink resumed>) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6236 attached [pid 6235] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6235] <... futex resumed>) = 0 [pid 6233] <... clone resumed>, parent_tid=[179], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 179 [pid 5075] close(3 [pid 6236] <... set_robust_list resumed>) = 0 [pid 6235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6233] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... close resumed>) = 0 [pid 6236] memfd_create("syzkaller", 0 [pid 6235] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6235] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6234] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6235] <... mprotect resumed>) = 0 [pid 6235] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6237 attached [pid 6237] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6235] <... clone resumed>, parent_tid=[183], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 183 [pid 6237] <... set_robust_list resumed>) = 0 [pid 6236] <... memfd_create resumed>) = 3 [pid 6235] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6233] <... futex resumed>) = 0 [pid 5075] rmdir("./88" [pid 6237] memfd_create("syzkaller", 0 [pid 6235] <... futex resumed>) = 0 [pid 6237] <... memfd_create resumed>) = 3 [pid 6235] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6233] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5075] <... rmdir resumed>) = 0 [pid 6237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5075] mkdir("./89", 0777 [pid 6237] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6236] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5075] <... mkdir resumed>) = 0 [pid 6231] <... write resumed>) = 2097152 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6238 attached [pid 6231] munmap(0x7f7a51cd9000, 2097152 [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 180 [pid 6238] set_robust_list(0x5555562845e0, 24) = 0 [pid 6238] chdir("./89" [pid 6231] <... munmap resumed>) = 0 [pid 6238] <... chdir resumed>) = 0 [pid 6238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6238] setpgid(0, 0) = 0 [pid 6238] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6238] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6238] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6231] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6238] <... symlink resumed>) = 0 [pid 6238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6231] <... openat resumed>) = 4 [pid 6238] write(3, "1000", 4) = 4 [pid 6237] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6234] <... write resumed>) = 2097152 [pid 6232] <... write resumed>) = 2097152 [pid 6231] ioctl(4, LOOP_SET_FD, 3 [pid 6238] close(3) = 0 [pid 6238] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6236] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6232] munmap(0x7f7a51cd9000, 2097152 [pid 6231] <... ioctl resumed>) = 0 [pid 6238] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6238] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6238] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6232] <... munmap resumed>) = 0 [pid 6238] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6234] munmap(0x7f7a51cd9000, 2097152./strace-static-x86_64: Process 6239 attached ) = 0 [pid 6239] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6238] <... clone resumed>, parent_tid=[181], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 181 [pid 6239] <... set_robust_list resumed>) = 0 [pid 6238] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6232] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6238] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6239] memfd_create("syzkaller", 0 [pid 6232] ioctl(4, LOOP_SET_FD, 3 [pid 6239] <... memfd_create resumed>) = 3 [pid 6232] <... ioctl resumed>) = 0 [pid 6239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 6231] close(3 [pid 6234] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6231] <... close resumed>) = 0 [pid 6234] <... openat resumed>) = 4 [pid 6231] mkdir("./file0", 0777 [pid 6234] ioctl(4, LOOP_SET_FD, 3 [pid 6231] <... mkdir resumed>) = 0 [pid 6234] <... ioctl resumed>) = 0 [pid 6231] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6232] close(3) = 0 [pid 6232] mkdir("./file0", 0777) = 0 [pid 6232] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6237] <... write resumed>) = 2097152 [pid 6234] close(3) = 0 [pid 6234] mkdir("./file0", 0777) = 0 [ 166.461977][ T6231] loop4: detected capacity change from 0 to 4096 [ 166.482767][ T6232] loop2: detected capacity change from 0 to 4096 [ 166.504640][ T6234] loop1: detected capacity change from 0 to 4096 [pid 6234] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6236] <... write resumed>) = 2097152 [pid 6237] munmap(0x7f7a51cd9000, 2097152 [pid 6236] munmap(0x7f7a51cd9000, 2097152 [pid 6237] <... munmap resumed>) = 0 [pid 6237] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6236] <... munmap resumed>) = 0 [pid 6239] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6237] ioctl(4, LOOP_SET_FD, 3 [pid 6236] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6232] <... mount resumed>) = 0 [pid 6236] ioctl(4, LOOP_SET_FD, 3 [pid 6232] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6231] <... mount resumed>) = 0 [pid 6231] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6231] chdir("./file0") = 0 [pid 6231] ioctl(4, LOOP_CLR_FD) = 0 [pid 6231] close(4) = 0 [pid 6231] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6228] <... futex resumed>) = 0 [pid 6231] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6228] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6228] <... futex resumed>) = 0 [pid 6231] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6228] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6232] <... openat resumed>) = 3 [pid 6232] chdir("./file0") = 0 [pid 6232] ioctl(4, LOOP_CLR_FD) = 0 [pid 6231] <... mkdirat resumed>) = 0 [pid 6236] <... ioctl resumed>) = 0 [pid 6232] close(4 [pid 6236] close(3 [pid 6232] <... close resumed>) = 0 [pid 6231] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6232] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] <... close resumed>) = 0 [pid 6232] <... futex resumed>) = 1 [pid 6231] <... futex resumed>) = 1 [pid 6229] <... futex resumed>) = 0 [pid 6228] <... futex resumed>) = 0 [pid 6237] <... ioctl resumed>) = 0 [pid 6231] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6229] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] close(3 [pid 6231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6229] <... futex resumed>) = 0 [pid 6228] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6237] <... close resumed>) = 0 [pid 6236] mkdir("./file0", 0777 [pid 6232] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6231] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6229] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] <... futex resumed>) = 0 [pid 6237] mkdir("./file0", 0777 [pid 6236] <... mkdir resumed>) = 0 [pid 6232] <... mkdirat resumed>) = 0 [pid 6231] <... symlinkat resumed>) = 0 [pid 6232] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6237] <... mkdir resumed>) = 0 [pid 6236] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6232] <... futex resumed>) = 1 [pid 6231] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] <... futex resumed>) = 0 [pid 6237] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6234] <... mount resumed>) = 0 [pid 6232] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6231] <... futex resumed>) = 1 [pid 6229] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] <... futex resumed>) = 0 [ 166.576225][ T6237] loop5: detected capacity change from 0 to 4096 [ 166.586888][ T6236] loop0: detected capacity change from 0 to 4096 [pid 6234] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6232] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6231] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6229] <... futex resumed>) = 0 [pid 6228] close(3 [pid 6234] <... openat resumed>) = 3 [pid 6232] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6229] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6228] <... close resumed>) = 0 [pid 6234] chdir("./file0" [pid 6228] close(4 [pid 6234] <... chdir resumed>) = 0 [pid 6232] <... symlinkat resumed>) = 0 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] ioctl(4, LOOP_CLR_FD [pid 6232] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6228] close(5 [pid 6234] <... ioctl resumed>) = 0 [pid 6232] <... futex resumed>) = 1 [pid 6229] <... futex resumed>) = 0 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] close(4 [pid 6232] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6229] close(3 [pid 6228] close(6 [pid 6234] <... close resumed>) = 0 [pid 6229] <... close resumed>) = 0 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] close(4 [pid 6228] close(7 [pid 6234] <... futex resumed>) = 1 [pid 6230] <... futex resumed>) = 0 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6230] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] close(5 [pid 6228] close(8 [pid 6234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6230] <... futex resumed>) = 0 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6230] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6229] close(6 [pid 6228] close(9 [pid 6234] <... mkdirat resumed>) = 0 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] close(7 [pid 6228] close(10 [pid 6234] <... futex resumed>) = 1 [pid 6230] <... futex resumed>) = 0 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6230] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] close(8 [pid 6228] close(11 [pid 6239] <... write resumed>) = 2097152 [pid 6234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6230] <... futex resumed>) = 0 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] munmap(0x7f7a51cd9000, 2097152 [pid 6234] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6230] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6229] close(9 [pid 6228] close(12 [pid 6234] <... symlinkat resumed>) = 0 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... mount resumed>) = 0 [pid 6234] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6229] close(10 [pid 6228] close(13 [pid 6237] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6234] <... futex resumed>) = 1 [pid 6230] <... futex resumed>) = 0 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] <... munmap resumed>) = 0 [pid 6237] <... openat resumed>) = 3 [pid 6234] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6230] close(3 [pid 6229] close(11 [pid 6228] close(14 [pid 6239] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6237] chdir("./file0" [pid 6230] <... close resumed>) = 0 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] <... openat resumed>) = 4 [pid 6237] <... chdir resumed>) = 0 [pid 6230] close(4 [pid 6229] close(12 [pid 6228] close(15 [pid 6239] ioctl(4, LOOP_SET_FD, 3 [pid 6237] ioctl(4, LOOP_CLR_FD [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... ioctl resumed>) = 0 [pid 6230] close(5 [pid 6228] close(16 [pid 6237] close(4 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(13 [pid 6237] <... close resumed>) = 0 [pid 6230] close(6 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(17 [pid 6237] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(14 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... futex resumed>) = 1 [pid 6235] <... futex resumed>) = 0 [pid 6230] close(7 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(18 [pid 6237] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6235] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(15 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] <... ioctl resumed>) = 0 [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6236] <... mount resumed>) = 0 [pid 6235] <... futex resumed>) = 0 [pid 6230] close(8 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(19 [pid 6239] close(3 [pid 6237] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6236] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6235] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(16 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] <... close resumed>) = 0 [pid 6237] <... mkdirat resumed>) = 0 [pid 6236] <... openat resumed>) = 3 [pid 6230] close(9 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(20 [pid 6239] mkdir("./file0", 0777 [pid 6237] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] chdir("./file0" [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(17 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] <... mkdir resumed>) = 0 [pid 6237] <... futex resumed>) = 1 [pid 6236] <... chdir resumed>) = 0 [pid 6235] <... futex resumed>) = 0 [pid 6230] close(10 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(21 [pid 6239] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6237] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6236] ioctl(4, LOOP_CLR_FD [pid 6235] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(18 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6236] <... ioctl resumed>) = 0 [pid 6235] <... futex resumed>) = 0 [pid 6230] close(11 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(22 [pid 6237] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6236] close(4 [pid 6235] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(19 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... symlinkat resumed>) = 0 [pid 6236] <... close resumed>) = 0 [pid 6230] close(12 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(23 [pid 6237] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6236] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(20 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] <... futex resumed>) = 1 [pid 6236] <... futex resumed>) = 1 [pid 6235] <... futex resumed>) = 0 [pid 6233] <... futex resumed>) = 0 [pid 6230] close(13 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(24 [ 166.701403][ T6239] loop3: detected capacity change from 0 to 4096 [pid 6237] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6236] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6235] close(3 [pid 6233] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(21 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6235] <... close resumed>) = 0 [pid 6233] <... futex resumed>) = 0 [pid 6230] close(14 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(25 [pid 6236] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6235] close(4 [pid 6233] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(22 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... mkdirat resumed>) = 0 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(15 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(26 [pid 6236] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] close(5 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... futex resumed>) = 1 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... futex resumed>) = 0 [pid 6230] close(16 [pid 6229] close(23 [pid 6228] close(27 [pid 6236] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6235] close(6 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6230] close(17 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(28 [pid 6236] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6235] close(7 [pid 6233] <... futex resumed>) = 0 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(24 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... symlinkat resumed>) = 0 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6230] close(18 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] close(29 [pid 6236] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] close(8 [pid 6233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(25 [pid 6228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] <... futex resumed>) = 0 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(3 [pid 6230] close(19 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] exit_group(0 [pid 6236] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6235] close(9 [pid 6233] <... close resumed>) = 0 [pid 6231] <... futex resumed>) = ? [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(26 [pid 6228] <... exit_group resumed>) = ? [pid 6239] <... mount resumed>) = 0 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(4 [pid 6231] +++ exited with 0 +++ [pid 6230] close(20 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6228] +++ exited with 0 +++ [pid 6239] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6235] close(10 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(27 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=176, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6239] <... openat resumed>) = 3 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(5 [pid 6230] close(21 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] chdir("./file0" [pid 6235] close(11 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(28 [pid 6239] <... chdir resumed>) = 0 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(6 [pid 6230] close(22 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] ioctl(4, LOOP_CLR_FD [pid 6235] close(12 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] close(29 [pid 6239] <... ioctl resumed>) = 0 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(7 [pid 6230] close(23 [pid 6229] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6239] close(4 [pid 6235] close(13 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] exit_group(0 [pid 5076] umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6239] <... close resumed>) = 0 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(8 [pid 6232] <... futex resumed>) = ? [pid 6230] close(24 [pid 6229] <... exit_group resumed>) = ? [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6239] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] close(14 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6232] +++ exited with 0 +++ [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6239] <... futex resumed>) = 1 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(25 [pid 5076] <... openat resumed>) = 3 [pid 6239] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6238] <... futex resumed>) = 0 [pid 6235] close(15 [pid 6233] close(9 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6229] +++ exited with 0 +++ [pid 5076] fstat(3, [pid 6238] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(26 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6239] <... futex resumed>) = 0 [pid 6238] <... futex resumed>) = 1 [pid 6235] close(16 [pid 6233] close(10 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5076] getdents64(3, [pid 6239] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6238] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(27 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6239] <... mkdirat resumed>) = 0 [pid 6235] close(17 [pid 6233] close(11 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... restart_syscall resumed>) = 0 [pid 5076] umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6239] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(28 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6239] <... futex resumed>) = 1 [pid 6238] <... futex resumed>) = 0 [pid 6235] close(18 [pid 6233] close(12 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] lstat("./87/binderfs", [pid 6239] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6238] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] close(29 [pid 5079] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6238] <... futex resumed>) = 0 [pid 6235] close(19 [pid 6233] close(13 [pid 6230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] unlink("./87/binderfs" [pid 6239] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6238] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] exit_group(0 [pid 5079] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... unlink resumed>) = 0 [pid 6239] <... symlinkat resumed>) = 0 [pid 6235] close(20 [pid 6234] <... futex resumed>) = ? [pid 6233] close(14 [pid 6230] <... exit_group resumed>) = ? [pid 5079] <... openat resumed>) = 3 [pid 5076] umount2("./87/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6239] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6234] +++ exited with 0 +++ [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6230] +++ exited with 0 +++ [pid 5079] fstat(3, [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6239] <... futex resumed>) = 1 [pid 6238] <... futex resumed>) = 0 [pid 6235] close(21 [pid 6233] close(15 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5076] lstat("./87/cgroup", [pid 6239] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6238] close(3 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(3, [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6238] <... close resumed>) = 0 [pid 6235] close(22 [pid 6233] close(16 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] unlink("./87/cgroup" [pid 6238] close(4 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... unlink resumed>) = 0 [pid 6235] close(23 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./87/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] close(24 [pid 6233] close(17 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... openat resumed>) = 3 [pid 5076] lstat("./87/cgroup.net", [pid 6238] close(5 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./95/binderfs", [pid 5078] fstat(3, [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] close(25 [pid 6233] close(18 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] unlink("./87/cgroup.net" [pid 6238] close(6 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./95/binderfs" [pid 5078] getdents64(3, [pid 5076] <... unlink resumed>) = 0 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] close(26 [pid 6233] close(19 [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6238] close(7 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./95/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] close(27 [pid 6233] close(20 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = 0 [pid 6238] close(8 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./95/cgroup", [pid 5078] lstat("./93/binderfs", [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] close(28 [pid 6233] close(21 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6238] close(9 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./95/cgroup" [pid 5078] unlink("./93/binderfs" [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] close(29 [pid 6233] close(22 [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6238] close(10 [pid 6235] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6235] exit_group(0 [pid 6233] close(23 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6238] close(11 [pid 6237] <... futex resumed>) = ? [pid 6235] <... exit_group resumed>) = ? [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./95/cgroup.net", [pid 5078] lstat("./93/cgroup", [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6237] +++ exited with 0 +++ [pid 6235] +++ exited with 0 +++ [pid 6233] close(24 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6238] close(12 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./95/cgroup.net" [pid 5078] unlink("./93/cgroup" [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(25 [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6238] close(13 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] restart_syscall(<... resuming interrupted clone ...> [pid 5076] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(26 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... restart_syscall resumed>) = 0 [pid 6238] close(14 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./93/cgroup.net", [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(27 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6238] close(15 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./93/cgroup.net" [pid 5077] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] lstat("./87/file0", [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(28 [pid 5078] <... unlink resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6238] close(16 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] close(29 [pid 5077] <... openat resumed>) = 3 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6238] close(17 [pid 6233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] fstat(3, [pid 5076] openat(AT_FDCWD, "./87/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... openat resumed>) = 4 [pid 5077] getdents64(3, [pid 5076] fstat(4, [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] getdents64(4, [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] lstat("./90/binderfs", [pid 5076] getdents64(4, [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5077] unlink("./90/binderfs" [pid 5076] close(4 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6233] exit_group(0 [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 6238] close(18 [pid 6236] <... futex resumed>) = ? [pid 6233] <... exit_group resumed>) = ? [pid 5077] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] rmdir("./87/file0" [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... rmdir resumed>) = 0 [pid 5077] lstat("./90/cgroup", [pid 5076] umount2("./87/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6238] close(19 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6236] +++ exited with 0 +++ [pid 6233] +++ exited with 0 +++ [pid 5077] unlink("./90/cgroup" [pid 5076] lstat("./87/cgroup.cpu", [pid 6238] close(20 [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] unlink("./87/cgroup.cpu" [pid 6238] close(21 [pid 5078] <... umount2 resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... unlink resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./90/cgroup.net", [pid 5076] getdents64(3, [pid 6238] close(22 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./90/cgroup.net" [pid 5076] close(3 [pid 6238] close(23 [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] rmdir("./87" [pid 6238] close(24 [pid 5076] <... rmdir resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] mkdir("./88", 0777 [pid 6238] close(25 [pid 5076] <... mkdir resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = 0 [pid 5077] <... umount2 resumed>) = 0 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6238] close(26 [pid 5078] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... openat resumed>) = 3 [pid 5074] fstat(3, [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] ioctl(3, LOOP_CLR_FD [pid 6238] close(27 [pid 5078] lstat("./93/file0", [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] close(3 [pid 5074] getdents64(3, [pid 6238] close(28 [pid 5079] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... close resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6240 attached [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./93/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6240] set_robust_list(0x5555562845e0, 24 [pid 6238] close(29 [pid 5078] <... openat resumed>) = 4 [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 178 [pid 5074] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6240] <... set_robust_list resumed>) = 0 [pid 6238] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] fstat(4, [pid 6240] chdir("./88" [pid 6238] exit_group(0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6240] <... chdir resumed>) = 0 [pid 6239] <... futex resumed>) = ? [pid 6238] <... exit_group resumed>) = ? [pid 5079] lstat("./95/file0", [pid 5078] getdents64(4, [pid 5074] lstat("./88/binderfs", [pid 6240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6240] <... prctl resumed>) = 0 [pid 5078] getdents64(4, [pid 6240] setpgid(0, 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6240] <... setpgid resumed>) = 0 [pid 5078] close(4 [pid 6240] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6239] +++ exited with 0 +++ [pid 6238] +++ exited with 0 +++ [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... close resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6240] <... symlink resumed>) = 0 [pid 5079] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] rmdir("./93/file0" [pid 5077] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5074] unlink("./88/binderfs" [pid 6240] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... rmdir resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6240] <... symlink resumed>) = 0 [pid 5078] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... unlink resumed>) = 0 [pid 6240] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5079] openat(AT_FDCWD, "./95/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./90/file0", [pid 6240] <... symlink resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 5078] lstat("./93/cgroup.cpu", [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] fstat(4, [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6240] <... openat resumed>) = 3 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] unlink("./93/cgroup.cpu" [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6240] write(3, "1000", 4 [pid 5079] getdents64(4, [pid 5078] <... unlink resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./90/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6240] <... write resumed>) = 4 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] getdents64(3, [pid 5077] <... openat resumed>) = 4 [pid 5075] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] lstat("./88/cgroup", [pid 6240] close(3 [pid 5079] getdents64(4, [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] fstat(4, [pid 6240] <... close resumed>) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] close(3 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... openat resumed>) = 3 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6240] symlink("/dev/binderfs", "./binderfs" [pid 5079] close(4 [pid 5078] <... close resumed>) = 0 [pid 5077] getdents64(4, [pid 5075] fstat(3, [pid 5074] unlink("./88/cgroup" [pid 6240] <... symlink resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5078] rmdir("./93" [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6240] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] rmdir("./95/file0" [pid 5078] <... rmdir resumed>) = 0 [pid 5077] getdents64(4, [pid 5074] <... unlink resumed>) = 0 [pid 6240] <... futex resumed>) = 0 [pid 5078] mkdir("./94", 0777 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] getdents64(3, [pid 6240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 5077] close(4 [pid 5074] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6240] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5079] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5077] <... close resumed>) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6240] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... openat resumed>) = 3 [pid 5077] rmdir("./90/file0" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6240] <... mprotect resumed>) = 0 [pid 5079] lstat("./95/cgroup.cpu", [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5077] <... rmdir resumed>) = 0 [pid 6240] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5077] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./88/cgroup.net", ./strace-static-x86_64: Process 6241 attached [pid 5079] unlink("./95/cgroup.cpu" [pid 5078] close(3 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./89/binderfs", [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6241] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6240] <... clone resumed>, parent_tid=[179], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 179 [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5077] lstat("./90/cgroup.cpu", [pid 6240] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6242 attached [pid 6240] <... futex resumed>) = 0 [pid 5077] unlink("./90/cgroup.cpu" [pid 6242] set_robust_list(0x5555562845e0, 24 [pid 6240] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 190 [pid 5077] <... unlink resumed>) = 0 [pid 6242] <... set_robust_list resumed>) = 0 [pid 6241] <... set_robust_list resumed>) = 0 [pid 5079] getdents64(3, [pid 5077] getdents64(3, [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./88/cgroup.net" [pid 6242] chdir("./94" [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6242] <... chdir resumed>) = 0 [pid 5077] close(3 [pid 6242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6241] memfd_create("syzkaller", 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] <... close resumed>) = 0 [pid 5075] unlink("./89/binderfs" [pid 5074] <... unlink resumed>) = 0 [pid 6242] <... prctl resumed>) = 0 [pid 6241] <... memfd_create resumed>) = 3 [pid 5079] close(3 [pid 5077] rmdir("./90" [pid 6242] setpgid(0, 0 [pid 6241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5079] <... close resumed>) = 0 [pid 5077] <... rmdir resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6242] <... setpgid resumed>) = 0 [pid 6241] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5079] rmdir("./95" [pid 5077] mkdir("./91", 0777 [pid 5075] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6242] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5079] <... rmdir resumed>) = 0 [pid 5077] <... mkdir resumed>) = 0 [pid 6242] <... symlink resumed>) = 0 [pid 5079] mkdir("./96", 0777 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6242] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5077] <... openat resumed>) = 3 [pid 6242] <... symlink resumed>) = 0 [pid 5077] ioctl(3, LOOP_CLR_FD [pid 6242] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6242] <... symlink resumed>) = 0 [pid 5077] close(3 [pid 6242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... mkdir resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5075] lstat("./89/cgroup", [pid 6242] <... openat resumed>) = 3 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6243 attached [pid 6242] write(3, "1000", 4 [pid 5079] <... openat resumed>) = 3 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6243] set_robust_list(0x5555562845e0, 24 [pid 6242] <... write resumed>) = 4 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 184 [pid 6243] <... set_robust_list resumed>) = 0 [pid 6242] close(3 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5075] unlink("./89/cgroup" [pid 6243] chdir("./91" [pid 6242] <... close resumed>) = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6243] <... chdir resumed>) = 0 [pid 6242] symlink("/dev/binderfs", "./binderfs" [pid 5079] close(3 [pid 5075] <... unlink resumed>) = 0 [pid 6243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6242] <... symlink resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5075] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6243] <... prctl resumed>) = 0 [pid 6242] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6243] setpgid(0, 0 [pid 6242] <... futex resumed>) = 0 [pid 6243] <... setpgid resumed>) = 0 [pid 6242] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6244 attached [pid 6243] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6242] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5075] lstat("./89/cgroup.net", [pid 6244] set_robust_list(0x5555562845e0, 24 [pid 6243] <... symlink resumed>) = 0 [pid 6242] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 194 [pid 5074] <... umount2 resumed>) = 0 [pid 6244] <... set_robust_list resumed>) = 0 [pid 6243] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6242] <... mprotect resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6244] chdir("./96" [pid 6243] <... symlink resumed>) = 0 [pid 6242] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5075] unlink("./89/cgroup.net" [pid 5074] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6245 attached [pid 6244] <... chdir resumed>) = 0 [pid 6243] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6245] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6243] <... symlink resumed>) = 0 [pid 6242] <... clone resumed>, parent_tid=[191], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 191 [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6245] <... set_robust_list resumed>) = 0 [pid 6244] <... prctl resumed>) = 0 [pid 6243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6242] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./88/file0", [pid 6245] memfd_create("syzkaller", 0 [pid 6244] setpgid(0, 0 [pid 6243] <... openat resumed>) = 3 [pid 6242] <... futex resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6245] <... memfd_create resumed>) = 3 [pid 6244] <... setpgid resumed>) = 0 [pid 6243] write(3, "1000", 4 [pid 6242] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5074] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6243] <... write resumed>) = 4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6245] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6244] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6243] close(3 [pid 5074] openat(AT_FDCWD, "./88/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6244] <... symlink resumed>) = 0 [pid 6243] <... close resumed>) = 0 [pid 5075] <... umount2 resumed>) = 0 [pid 5074] <... openat resumed>) = 4 [pid 6244] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6243] symlink("/dev/binderfs", "./binderfs" [pid 5074] fstat(4, [pid 6244] <... symlink resumed>) = 0 [pid 6243] <... symlink resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6244] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6243] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] getdents64(4, [pid 6244] <... symlink resumed>) = 0 [pid 6243] <... futex resumed>) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5074] getdents64(4, [pid 6244] <... openat resumed>) = 3 [pid 6243] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6244] write(3, "1000", 4 [pid 6243] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5074] close(4 [pid 6244] <... write resumed>) = 4 [pid 6243] <... mprotect resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 6244] close(3 [pid 6243] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5074] rmdir("./88/file0"./strace-static-x86_64: Process 6246 attached [pid 6244] <... close resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 6246] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6244] symlink("/dev/binderfs", "./binderfs" [pid 6243] <... clone resumed>, parent_tid=[185], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 185 [pid 5074] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6246] <... set_robust_list resumed>) = 0 [pid 6244] <... symlink resumed>) = 0 [pid 6243] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6246] memfd_create("syzkaller", 0 [pid 6245] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6244] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] <... futex resumed>) = 0 [pid 5074] lstat("./88/cgroup.cpu", [pid 6246] <... memfd_create resumed>) = 3 [pid 6244] <... futex resumed>) = 0 [pid 6243] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6246] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5075] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./88/cgroup.cpu" [pid 6246] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6244] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5074] <... unlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, [pid 6244] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5075] lstat("./89/file0", [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6244] <... mprotect resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] close(3 [pid 6244] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5074] <... close resumed>) = 0 ./strace-static-x86_64: Process 6247 attached [pid 5075] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] rmdir("./88" [pid 6247] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6244] <... clone resumed>, parent_tid=[195], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 195 [pid 6241] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... rmdir resumed>) = 0 [pid 5074] mkdir("./89", 0777) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5074] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5074] close(3 [pid 6244] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... set_robust_list resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5075] openat(AT_FDCWD, "./89/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6244] <... futex resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6248 attached [pid 6247] memfd_create("syzkaller", 0 [pid 6246] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6244] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5075] <... openat resumed>) = 4 [pid 6248] set_robust_list(0x5555562845e0, 24 [pid 6247] <... memfd_create resumed>) = 3 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 180 [pid 6248] <... set_robust_list resumed>) = 0 [pid 6247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5075] fstat(4, [pid 6248] chdir("./89" [pid 6247] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6248] <... chdir resumed>) = 0 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6248] setpgid(0, 0) = 0 [pid 6248] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5075] getdents64(4, [pid 6248] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6248] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5075] getdents64(4, [pid 6248] <... symlink resumed>) = 0 [pid 6248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6248] <... openat resumed>) = 3 [pid 5075] close(4 [pid 6248] write(3, "1000", 4) = 4 [pid 6248] close(3) = 0 [pid 6248] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6248] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6248] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6248] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6249 attached [pid 5075] <... close resumed>) = 0 [pid 6249] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6248] <... clone resumed>, parent_tid=[181], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 181 [pid 6249] <... set_robust_list resumed>) = 0 [pid 6248] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6249] memfd_create("syzkaller", 0 [pid 6248] <... futex resumed>) = 0 [pid 6249] <... memfd_create resumed>) = 3 [pid 6248] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 5075] rmdir("./89/file0") = 0 [pid 5075] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./89/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] unlink("./89/cgroup.cpu") = 0 [pid 5075] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] close(3) = 0 [pid 5075] rmdir("./89") = 0 [pid 5075] mkdir("./90", 0777) = 0 [pid 6247] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6250 attached , child_tidptr=0x5555562845d0) = 182 [pid 6250] set_robust_list(0x5555562845e0, 24) = 0 [pid 6250] chdir("./90" [pid 6245] <... write resumed>) = 2097152 [pid 6250] <... chdir resumed>) = 0 [pid 6250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6246] <... write resumed>) = 2097152 [pid 6241] <... write resumed>) = 2097152 [pid 6250] <... prctl resumed>) = 0 [pid 6245] munmap(0x7f7a51cd9000, 2097152 [pid 6250] setpgid(0, 0 [pid 6245] <... munmap resumed>) = 0 [pid 6241] munmap(0x7f7a51cd9000, 2097152 [pid 6250] <... setpgid resumed>) = 0 [pid 6249] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6250] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6250] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6245] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6250] <... symlink resumed>) = 0 [pid 6250] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6245] <... openat resumed>) = 4 [pid 6245] ioctl(4, LOOP_SET_FD, 3 [pid 6250] <... symlink resumed>) = 0 [pid 6241] <... munmap resumed>) = 0 [pid 6250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6250] write(3, "1000", 4) = 4 [pid 6250] close(3) = 0 [pid 6250] symlink("/dev/binderfs", "./binderfs" [pid 6241] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6250] <... symlink resumed>) = 0 [pid 6241] <... openat resumed>) = 4 [pid 6250] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] ioctl(4, LOOP_SET_FD, 3 [pid 6250] <... futex resumed>) = 0 [pid 6250] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6246] munmap(0x7f7a51cd9000, 2097152 [pid 6250] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6250] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6250] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6251 attached [pid 6251] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6250] <... clone resumed>, parent_tid=[183], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 183 [pid 6251] <... set_robust_list resumed>) = 0 [pid 6250] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] <... munmap resumed>) = 0 [pid 6250] <... futex resumed>) = 0 [pid 6245] <... ioctl resumed>) = 0 [pid 6250] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6251] memfd_create("syzkaller", 0) = 3 [pid 6251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 6246] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6245] close(3 [pid 6246] <... openat resumed>) = 4 [pid 6245] <... close resumed>) = 0 [pid 6246] ioctl(4, LOOP_SET_FD, 3 [ 167.354435][ T6245] loop1: detected capacity change from 0 to 4096 [ 167.377633][ T6241] loop4: detected capacity change from 0 to 4096 [pid 6245] mkdir("./file0", 0777 [pid 6247] <... write resumed>) = 2097152 [pid 6246] <... ioctl resumed>) = 0 [pid 6245] <... mkdir resumed>) = 0 [pid 6241] <... ioctl resumed>) = 0 [pid 6245] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6241] close(3) = 0 [pid 6241] mkdir("./file0", 0777) = 0 [pid 6241] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6247] munmap(0x7f7a51cd9000, 2097152 [pid 6246] close(3) = 0 [pid 6249] <... write resumed>) = 2097152 [pid 6246] mkdir("./file0", 0777 [pid 6247] <... munmap resumed>) = 0 [pid 6246] <... mkdir resumed>) = 0 [ 167.401831][ T6246] loop5: detected capacity change from 0 to 4096 [pid 6246] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6247] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6247] ioctl(4, LOOP_SET_FD, 3 [pid 6251] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6249] munmap(0x7f7a51cd9000, 2097152) = 0 [pid 6241] <... mount resumed>) = 0 [pid 6241] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6241] chdir("./file0") = 0 [pid 6241] ioctl(4, LOOP_CLR_FD) = 0 [pid 6241] close(4) = 0 [pid 6249] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6249] ioctl(4, LOOP_SET_FD, 3 [pid 6241] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6240] <... futex resumed>) = 0 [pid 6241] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6240] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6240] <... futex resumed>) = 0 [pid 6241] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6240] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6247] <... ioctl resumed>) = 0 [pid 6241] <... mkdirat resumed>) = 0 [pid 6247] close(3 [pid 6241] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... close resumed>) = 0 [pid 6247] mkdir("./file0", 0777) = 0 [pid 6241] <... futex resumed>) = 1 [pid 6240] <... futex resumed>) = 0 [pid 6247] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6241] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6240] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6241] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6240] <... futex resumed>) = 0 [pid 6241] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6240] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6245] <... mount resumed>) = 0 [pid 6245] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6241] <... symlinkat resumed>) = 0 [pid 6245] chdir("./file0" [pid 6241] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] <... chdir resumed>) = 0 [pid 6241] <... futex resumed>) = 1 [pid 6240] <... futex resumed>) = 0 [pid 6245] ioctl(4, LOOP_CLR_FD [pid 6241] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6240] close(3 [pid 6249] <... ioctl resumed>) = 0 [pid 6245] <... ioctl resumed>) = 0 [pid 6240] <... close resumed>) = 0 [pid 6249] close(3 [pid 6245] close(4 [pid 6240] close(4 [pid 6249] <... close resumed>) = 0 [pid 6245] <... close resumed>) = 0 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] mkdir("./file0", 0777 [pid 6245] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [ 167.449835][ T6247] loop2: detected capacity change from 0 to 4096 [ 167.477555][ T6249] loop0: detected capacity change from 0 to 4096 [pid 6240] close(5 [pid 6249] <... mkdir resumed>) = 0 [pid 6246] <... mount resumed>) = 0 [pid 6245] <... futex resumed>) = 1 [pid 6242] <... futex resumed>) = 0 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6246] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6245] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] close(6 [pid 6246] <... openat resumed>) = 3 [pid 6245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6242] <... futex resumed>) = 0 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] chdir("./file0" [pid 6245] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6242] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6240] close(7 [pid 6251] <... write resumed>) = 2097152 [pid 6246] <... chdir resumed>) = 0 [pid 6245] <... mkdirat resumed>) = 0 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] munmap(0x7f7a51cd9000, 2097152 [pid 6246] ioctl(4, LOOP_CLR_FD [pid 6245] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] close(8 [pid 6246] <... ioctl resumed>) = 0 [pid 6245] <... futex resumed>) = 1 [pid 6242] <... futex resumed>) = 0 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] close(4 [pid 6245] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6242] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] close(9 [pid 6251] <... munmap resumed>) = 0 [pid 6246] <... close resumed>) = 0 [pid 6245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6242] <... futex resumed>) = 0 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6246] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6245] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6242] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6240] close(10 [pid 6251] <... openat resumed>) = 4 [pid 6246] <... futex resumed>) = 1 [pid 6245] <... symlinkat resumed>) = 0 [pid 6243] <... futex resumed>) = 0 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] ioctl(4, LOOP_SET_FD, 3 [pid 6246] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6245] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6240] close(11 [pid 6246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6245] <... futex resumed>) = 1 [pid 6243] <... futex resumed>) = 0 [pid 6242] <... futex resumed>) = 0 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6245] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6243] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6242] close(3) = 0 [pid 6242] close(4) = -1 EBADF (Bad file descriptor) [pid 6242] close(5) = -1 EBADF (Bad file descriptor) [pid 6247] <... mount resumed>) = 0 [pid 6246] <... mkdirat resumed>) = 0 [pid 6242] close(6 [pid 6240] close(12 [pid 6247] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6246] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] <... openat resumed>) = 3 [pid 6246] <... futex resumed>) = 1 [pid 6243] <... futex resumed>) = 0 [pid 6242] close(7 [pid 6240] close(13 [pid 6247] chdir("./file0" [pid 6246] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6243] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] <... chdir resumed>) = 0 [pid 6246] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6243] <... futex resumed>) = 0 [pid 6242] close(8 [pid 6240] close(14 [pid 6247] ioctl(4, LOOP_CLR_FD [pid 6246] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6243] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] <... ioctl resumed>) = 0 [pid 6246] <... symlinkat resumed>) = 0 [pid 6242] close(9 [pid 6240] close(15 [pid 6251] <... ioctl resumed>) = 0 [pid 6249] <... mount resumed>) = 0 [pid 6247] close(4 [pid 6246] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] close(3 [pid 6249] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6247] <... close resumed>) = 0 [pid 6246] <... futex resumed>) = 1 [pid 6243] <... futex resumed>) = 0 [pid 6242] close(10 [pid 6240] close(16 [pid 6251] <... close resumed>) = 0 [pid 6249] <... openat resumed>) = 3 [pid 6247] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6246] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6243] close(3 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] mkdir("./file0", 0777 [pid 6249] chdir("./file0" [pid 6247] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = 0 [pid 6243] <... close resumed>) = 0 [pid 6242] close(11 [pid 6240] close(17 [pid 6249] <... chdir resumed>) = 0 [pid 6247] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] close(4 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... mkdir resumed>) = 0 [pid 6249] ioctl(4, LOOP_CLR_FD [pid 6247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6244] <... futex resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(12 [pid 6240] close(18 [pid 6251] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6249] <... ioctl resumed>) = 0 [pid 6247] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6244] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] close(5 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] close(4 [pid 6247] <... mkdirat resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(13 [pid 6240] close(19 [pid 6249] <... close resumed>) = 0 [pid 6247] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] close(6 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(14 [ 167.589323][ T6251] loop3: detected capacity change from 0 to 4096 [pid 6240] close(20 [pid 6249] <... futex resumed>) = 1 [pid 6248] <... futex resumed>) = 0 [pid 6247] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] close(7 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6244] <... futex resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(15 [pid 6240] close(21 [pid 6249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6248] <... futex resumed>) = 0 [pid 6247] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6244] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6243] close(8 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6248] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6247] <... symlinkat resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(16 [pid 6249] <... mkdirat resumed>) = 0 [pid 6247] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6243] close(9 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] close(22 [pid 6249] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6247] <... futex resumed>) = 1 [pid 6244] <... futex resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(17 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... futex resumed>) = 1 [pid 6248] <... futex resumed>) = 0 [pid 6247] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6244] close(3 [pid 6243] close(10 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] close(23 [pid 6251] <... mount resumed>) = 0 [pid 6249] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... close resumed>) = 0 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(18 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6248] <... futex resumed>) = 0 [pid 6244] close(4 [pid 6243] close(11 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] close(24 [pid 6251] <... openat resumed>) = 3 [pid 6249] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6248] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(19 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] chdir("./file0" [pid 6249] <... symlinkat resumed>) = 0 [pid 6244] close(5 [pid 6243] close(12 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] close(25 [pid 6251] <... chdir resumed>) = 0 [pid 6249] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(20 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] ioctl(4, LOOP_CLR_FD [pid 6249] <... futex resumed>) = 1 [pid 6248] <... futex resumed>) = 0 [pid 6244] close(6 [pid 6243] close(13 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] close(26 [pid 6251] <... ioctl resumed>) = 0 [pid 6249] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6248] close(3 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(21 [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] close(4 [pid 6248] <... close resumed>) = 0 [pid 6244] close(7 [pid 6243] close(14 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] close(27 [pid 6251] <... close resumed>) = 0 [pid 6248] close(4 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(22 [pid 6251] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(8 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... futex resumed>) = 1 [pid 6250] <... futex resumed>) = 0 [pid 6248] close(5 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(15 [pid 6242] close(23 [pid 6240] close(28 [pid 6251] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6250] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(9 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6250] <... futex resumed>) = 0 [pid 6248] close(6 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(16 [pid 6242] close(24 [pid 6240] close(29 [pid 6251] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6250] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(10 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] <... mkdirat resumed>) = 0 [pid 6248] close(7 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(17 [pid 6242] close(25 [pid 6240] exit_group(0 [pid 6251] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(11 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] <... futex resumed>) = ? [pid 6240] <... exit_group resumed>) = ? [pid 6251] <... futex resumed>) = 1 [pid 6250] <... futex resumed>) = 0 [pid 6248] close(8 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(18 [pid 6242] close(26 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(12 [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(9 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] close(27 [pid 6251] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6250] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(13 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6241] +++ exited with 0 +++ [pid 6240] +++ exited with 0 +++ [pid 6250] <... futex resumed>) = 0 [pid 6248] close(10 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(19 [pid 6242] close(28 [pid 6250] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6251] <... symlinkat resumed>) = 0 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(14 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6251] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6248] close(11 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(20 [pid 6242] close(29 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 6251] <... futex resumed>) = 1 [pid 6250] <... futex resumed>) = 0 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(15 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 6251] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6250] close(3 [pid 6248] close(12 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(21 [pid 6242] exit_group(0 [pid 5076] <... restart_syscall resumed>) = 0 [pid 6250] <... close resumed>) = 0 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6245] <... futex resumed>) = ? [pid 6244] close(16 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6242] <... exit_group resumed>) = ? [pid 6250] close(4 [pid 6248] close(13 [pid 6245] +++ exited with 0 +++ [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(22 [pid 6242] +++ exited with 0 +++ [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(17 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6250] close(5 [pid 6248] close(14 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(23 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(18 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] close(6 [pid 6248] close(15 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(24 [pid 5078] <... restart_syscall resumed>) = 0 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(19 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6250] close(7 [pid 6248] close(16 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(25 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(20 [pid 5076] <... openat resumed>) = 3 [pid 6248] close(17 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6250] close(8 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(21 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] fstat(3, [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(18 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(26 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6250] close(9 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(22 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] getdents64(3, [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(19 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(27 [pid 5078] <... openat resumed>) = 3 [pid 6250] close(10 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(23 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] fstat(3, [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(20 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(28 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6250] close(11 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(24 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(3, [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(21 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] close(29 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] lstat("./88/binderfs", [pid 6250] close(12 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(25 [pid 6243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(22 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6243] exit_group(0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] unlink("./88/binderfs" [pid 6250] close(13 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6246] <... futex resumed>) = ? [pid 6244] close(26 [pid 6243] <... exit_group resumed>) = ? [pid 5078] lstat("./94/binderfs", [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] close(23 [pid 6246] +++ exited with 0 +++ [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... unlink resumed>) = 0 [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(27 [pid 6248] close(24 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(28 [pid 6243] +++ exited with 0 +++ [pid 6250] close(14 [pid 6248] close(25 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] umount2("./88/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] close(29 [pid 5078] unlink("./94/binderfs" [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] close(15 [pid 6248] close(26 [pid 6244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5077] restart_syscall(<... resuming interrupted clone ...> [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6244] exit_group(0 [pid 5078] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... restart_syscall resumed>) = 0 [pid 5076] lstat("./88/cgroup", [pid 6250] close(16 [pid 6248] close(27 [pid 6247] <... futex resumed>) = ? [pid 6244] <... exit_group resumed>) = ? [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6247] +++ exited with 0 +++ [pid 6244] +++ exited with 0 +++ [pid 5078] lstat("./94/cgroup", [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6250] close(17 [pid 6248] close(28 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] unlink("./88/cgroup" [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5078] unlink("./94/cgroup" [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] close(18 [pid 6248] close(29 [pid 5079] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... unlink resumed>) = 0 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6248] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... unlink resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 5076] umount2("./88/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6250] close(19 [pid 6248] exit_group(0 [pid 5079] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] fstat(3, [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6249] <... futex resumed>) = ? [pid 6248] <... exit_group resumed>) = ? [pid 5079] <... openat resumed>) = 3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] lstat("./88/cgroup.net", [pid 6250] close(20 [pid 6249] +++ exited with 0 +++ [pid 6248] +++ exited with 0 +++ [pid 5079] fstat(3, [pid 5078] lstat("./94/cgroup.net", [pid 5077] getdents64(3, [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6250] close(21 [pid 5079] getdents64(3, [pid 5078] unlink("./94/cgroup.net" [pid 5077] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] unlink("./88/cgroup.net" [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] <... unlink resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] close(22 [pid 5079] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] lstat("./91/binderfs", [pid 5076] <... unlink resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 6250] close(23 [pid 5079] lstat("./96/binderfs", [pid 5077] unlink("./91/binderfs" [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5074] <... restart_syscall resumed>) = 0 [pid 6250] close(24 [pid 5079] unlink("./96/binderfs" [pid 5077] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] close(25 [pid 5079] umount2("./96/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] lstat("./91/cgroup", [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6250] close(26 [pid 5079] lstat("./96/cgroup", [pid 5077] unlink("./91/cgroup" [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] close(27 [pid 5079] unlink("./96/cgroup" [pid 5077] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6250] close(28 [pid 5079] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] lstat("./91/cgroup.net", [pid 5076] <... umount2 resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] fstat(3, [pid 6250] close(29 [pid 5079] lstat("./96/cgroup.net", [pid 5077] unlink("./91/cgroup.net" [pid 6250] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6250] exit_group(0 [pid 5079] unlink("./96/cgroup.net" [pid 5077] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6251] <... futex resumed>) = ? [pid 6250] <... exit_group resumed>) = ? [pid 5079] <... unlink resumed>) = 0 [pid 5074] getdents64(3, [pid 5079] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6251] +++ exited with 0 +++ [pid 6250] +++ exited with 0 +++ [pid 5079] <... umount2 resumed>) = 0 [pid 5078] lstat("./94/file0", [pid 5077] <... umount2 resumed>) = 0 [pid 5076] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5074] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] lstat("./88/file0", [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./89/binderfs", [pid 5078] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] openat(AT_FDCWD, "./88/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] unlink("./89/binderfs" [pid 5078] openat(AT_FDCWD, "./94/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5076] <... openat resumed>) = 4 [pid 5075] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... unlink resumed>) = 0 [pid 5078] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] fstat(4, [pid 5075] <... openat resumed>) = 3 [pid 5074] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] fstat(3, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] close(4 [pid 5076] getdents64(4, [pid 5078] <... close resumed>) = 0 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] lstat("./89/cgroup", [pid 5078] rmdir("./94/file0" [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] getdents64(3, [pid 5078] <... rmdir resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] getdents64(4, [pid 5078] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] unlink("./89/cgroup" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] close(4 [pid 5075] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] lstat("./94/cgroup.cpu", [pid 5076] <... close resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] rmdir("./88/file0" [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] unlink("./94/cgroup.cpu") = 0 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] lstat("./90/binderfs", [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] getdents64(3, [pid 5077] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./88/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] lstat("./89/cgroup.net", [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] close(3 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./96/file0", [pid 5078] <... close resumed>) = 0 [pid 5076] lstat("./88/cgroup.cpu", [pid 5075] unlink("./90/binderfs" [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] rmdir("./94" [pid 5077] lstat("./91/file0", [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... rmdir resumed>) = 0 [pid 5076] unlink("./88/cgroup.cpu" [pid 5075] <... unlink resumed>) = 0 [pid 5074] unlink("./89/cgroup.net" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] mkdir("./95", 0777 [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] openat(AT_FDCWD, "./96/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... mkdir resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5075] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... unlink resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5077] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] getdents64(3, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] fstat(4, [pid 5078] <... openat resumed>) = 3 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] lstat("./90/cgroup", [pid 5076] close(3 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... close resumed>) = 0 [pid 5075] unlink("./90/cgroup" [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5076] rmdir("./88" [pid 5075] <... unlink resumed>) = 0 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] mkdir("./89", 0777 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5077] openat(AT_FDCWD, "./91/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... mkdir resumed>) = 0 [pid 5075] lstat("./90/cgroup.net", [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] close(3 [pid 5077] <... openat resumed>) = 4 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] getdents64(4, [pid 5078] <... close resumed>) = 0 [pid 5077] fstat(4, [pid 5076] <... openat resumed>) = 3 [pid 5075] unlink("./90/cgroup.net" [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5075] <... unlink resumed>) = 0 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] close(3./strace-static-x86_64: Process 6252 attached [pid 5079] getdents64(4, [pid 5077] getdents64(4, [pid 5076] <... close resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6253 attached [pid 6252] set_robust_list(0x5555562845e0, 24 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 192 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6253] set_robust_list(0x5555562845e0, 24 [pid 6252] <... set_robust_list resumed>) = 0 [pid 5079] close(4 [pid 5077] getdents64(4, [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 180 [pid 6253] <... set_robust_list resumed>) = 0 [pid 6253] chdir("./89" [pid 6252] chdir("./95" [pid 5079] <... close resumed>) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6253] <... chdir resumed>) = 0 [pid 5075] <... umount2 resumed>) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 6253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6253] setpgid(0, 0 [pid 6252] <... chdir resumed>) = 0 [pid 5079] rmdir("./96/file0" [pid 5077] close(4 [pid 5075] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6253] <... setpgid resumed>) = 0 [pid 6253] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... rmdir resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6253] <... symlink resumed>) = 0 [pid 6252] <... prctl resumed>) = 0 [pid 5079] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] rmdir("./91/file0" [pid 5075] lstat("./90/file0", [pid 5074] lstat("./89/file0", [pid 6253] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6252] setpgid(0, 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... rmdir resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6253] <... symlink resumed>) = 0 [pid 6252] <... setpgid resumed>) = 0 [pid 5079] lstat("./96/cgroup.cpu", [pid 5077] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6253] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6252] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6253] <... symlink resumed>) = 0 [pid 6252] <... symlink resumed>) = 0 [pid 5079] unlink("./96/cgroup.cpu" [pid 5077] lstat("./91/cgroup.cpu", [pid 5075] openat(AT_FDCWD, "./90/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] openat(AT_FDCWD, "./89/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6252] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5079] <... unlink resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6253] <... openat resumed>) = 3 [pid 5075] <... openat resumed>) = 4 [pid 5074] <... openat resumed>) = 4 [pid 6253] write(3, "1000", 4) = 4 [pid 6252] <... symlink resumed>) = 0 [pid 5077] unlink("./91/cgroup.cpu" [pid 5075] fstat(4, [pid 5074] fstat(4, [pid 6253] close(3 [pid 6252] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5079] getdents64(3, [pid 6253] <... close resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6253] symlink("/dev/binderfs", "./binderfs" [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] getdents64(3, [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6253] <... symlink resumed>) = 0 [pid 6252] <... symlink resumed>) = 0 [pid 5079] close(3 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] getdents64(4, [pid 5074] getdents64(4, [pid 6253] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... close resumed>) = 0 [pid 5077] close(3 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6253] <... futex resumed>) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6252] <... openat resumed>) = 3 [pid 5079] rmdir("./96" [pid 6253] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6252] write(3, "1000", 4 [pid 5077] <... close resumed>) = 0 [pid 5075] getdents64(4, [pid 5074] getdents64(4, [pid 6253] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5077] rmdir("./91" [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6253] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6252] <... write resumed>) = 4 [pid 5079] mkdir("./97", 0777 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6254 attached [pid 6252] close(3 [pid 5077] <... rmdir resumed>) = 0 [pid 5075] close(4 [pid 6253] <... clone resumed>, parent_tid=[181], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 181 [pid 6253] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5079] <... mkdir resumed>) = 0 [pid 6254] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6253] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5075] <... close resumed>) = 0 [pid 5074] close(4 [pid 6254] <... set_robust_list resumed>) = 0 [pid 6252] <... close resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5077] mkdir("./92", 0777 [pid 5075] rmdir("./90/file0" [pid 5074] <... close resumed>) = 0 [pid 6252] symlink("/dev/binderfs", "./binderfs" [pid 6254] memfd_create("syzkaller", 0 [pid 6252] <... symlink resumed>) = 0 [pid 5074] rmdir("./89/file0" [pid 6252] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... memfd_create resumed>) = 3 [pid 6252] <... futex resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5077] <... mkdir resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 6254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5075] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6254] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6252] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5077] <... openat resumed>) = 3 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6252] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] close(3 [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5075] lstat("./90/cgroup.cpu", [pid 5074] lstat("./89/cgroup.cpu", [pid 6252] <... mprotect resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6252] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6255 attached [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] close(3 [pid 5075] unlink("./90/cgroup.cpu" [pid 5074] unlink("./89/cgroup.cpu" [pid 6252] <... clone resumed>, parent_tid=[193], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 193 [pid 6252] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6252] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6256 attached [pid 6255] set_robust_list(0x7f7a5a0f99e0, 24 [pid 5077] <... close resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 6256] set_robust_list(0x5555562845e0, 24 [pid 6255] <... set_robust_list resumed>) = 0 [pid 6254] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 196 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] getdents64(3, [pid 5074] getdents64(3, ./strace-static-x86_64: Process 6257 attached [pid 6256] <... set_robust_list resumed>) = 0 [pid 6255] memfd_create("syzkaller", 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6257] set_robust_list(0x5555562845e0, 24 [pid 6256] chdir("./97" [pid 6255] <... memfd_create resumed>) = 3 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 186 [pid 5075] close(3 [pid 5074] close(3 [pid 6257] <... set_robust_list resumed>) = 0 [pid 6256] <... chdir resumed>) = 0 [pid 6255] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5075] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 6257] chdir("./92" [pid 6256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6255] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5075] rmdir("./90" [pid 5074] rmdir("./89" [pid 6257] <... chdir resumed>) = 0 [pid 6256] <... prctl resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 6257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6256] setpgid(0, 0 [pid 5075] mkdir("./91", 0777 [pid 5074] mkdir("./90", 0777 [pid 6257] <... prctl resumed>) = 0 [pid 6256] <... setpgid resumed>) = 0 [pid 5075] <... mkdir resumed>) = 0 [pid 5074] <... mkdir resumed>) = 0 [pid 6257] setpgid(0, 0 [pid 6256] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6257] <... setpgid resumed>) = 0 [pid 6256] <... symlink resumed>) = 0 [pid 5075] <... openat resumed>) = 3 [pid 5074] <... openat resumed>) = 3 [pid 6257] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6256] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5075] ioctl(3, LOOP_CLR_FD [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6257] <... symlink resumed>) = 0 [pid 6256] <... symlink resumed>) = 0 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6257] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6256] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5075] close(3 [pid 5074] close(3 [pid 6257] <... symlink resumed>) = 0 [pid 6256] <... symlink resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 6256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6259 attached ./strace-static-x86_64: Process 6258 attached [pid 6257] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6256] <... openat resumed>) = 3 [pid 6259] set_robust_list(0x5555562845e0, 24 [pid 6258] set_robust_list(0x5555562845e0, 24 [pid 6257] <... symlink resumed>) = 0 [pid 6256] write(3, "1000", 4 [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 184 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 182 [pid 6259] <... set_robust_list resumed>) = 0 [pid 6258] <... set_robust_list resumed>) = 0 [pid 6257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6256] <... write resumed>) = 4 [pid 6259] chdir("./90" [pid 6258] chdir("./91" [pid 6257] <... openat resumed>) = 3 [pid 6256] close(3 [pid 6259] <... chdir resumed>) = 0 [pid 6258] <... chdir resumed>) = 0 [pid 6257] write(3, "1000", 4 [pid 6256] <... close resumed>) = 0 [pid 6259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6257] <... write resumed>) = 4 [pid 6256] symlink("/dev/binderfs", "./binderfs" [pid 6254] <... write resumed>) = 2097152 [pid 6259] <... prctl resumed>) = 0 [pid 6258] <... prctl resumed>) = 0 [pid 6257] close(3 [pid 6256] <... symlink resumed>) = 0 [pid 6254] munmap(0x7f7a51cd9000, 2097152 [pid 6259] setpgid(0, 0 [pid 6258] setpgid(0, 0 [pid 6257] <... close resumed>) = 0 [pid 6256] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] <... setpgid resumed>) = 0 [pid 6258] <... setpgid resumed>) = 0 [pid 6257] symlink("/dev/binderfs", "./binderfs" [pid 6256] <... futex resumed>) = 0 [pid 6259] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6258] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6259] <... symlink resumed>) = 0 [pid 6258] <... symlink resumed>) = 0 [pid 6257] <... symlink resumed>) = 0 [pid 6256] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6254] <... munmap resumed>) = 0 [pid 6259] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6258] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6257] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6259] <... symlink resumed>) = 0 [pid 6258] <... symlink resumed>) = 0 [pid 6257] <... futex resumed>) = 0 [pid 6256] <... mprotect resumed>) = 0 [pid 6255] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6254] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6259] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6258] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6256] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6254] <... openat resumed>) = 4 [pid 6259] <... symlink resumed>) = 0 [pid 6258] <... symlink resumed>) = 0 [pid 6257] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6254] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6260 attached [pid 6259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6257] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6260] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6259] <... openat resumed>) = 3 [pid 6258] <... openat resumed>) = 3 [pid 6257] <... mprotect resumed>) = 0 [pid 6256] <... clone resumed>, parent_tid=[197], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 197 [pid 6260] <... set_robust_list resumed>) = 0 [pid 6259] write(3, "1000", 4 [pid 6258] write(3, "1000", 4 [pid 6257] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6261 attached [pid 6260] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6258] <... write resumed>) = 4 [pid 6259] <... write resumed>) = 4 [pid 6256] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... ioctl resumed>) = 0 [pid 6260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6258] close(3 [pid 6257] <... clone resumed>, parent_tid=[187], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 187 [pid 6261] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6260] memfd_create("syzkaller", 0 [pid 6259] close(3 [pid 6258] <... close resumed>) = 0 [pid 6257] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... futex resumed>) = 0 [pid 6254] close(3 [pid 6261] <... set_robust_list resumed>) = 0 [pid 6260] <... memfd_create resumed>) = 3 [pid 6259] <... close resumed>) = 0 [pid 6258] symlink("/dev/binderfs", "./binderfs" [pid 6257] <... futex resumed>) = 0 [pid 6261] memfd_create("syzkaller", 0 [pid 6260] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6259] symlink("/dev/binderfs", "./binderfs" [pid 6258] <... symlink resumed>) = 0 [pid 6257] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6256] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6254] <... close resumed>) = 0 [pid 6261] <... memfd_create resumed>) = 3 [pid 6260] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6259] <... symlink resumed>) = 0 [pid 6258] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] mkdir("./file0", 0777 [pid 6261] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6259] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] <... futex resumed>) = 0 [pid 6255] <... write resumed>) = 2097152 [pid 6254] <... mkdir resumed>) = 0 [pid 6258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6254] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6261] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6259] <... futex resumed>) = 0 [pid 6258] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6255] munmap(0x7f7a51cd9000, 2097152 [pid 6258] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6258] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6262 attached [pid 6262] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6258] <... clone resumed>, parent_tid=[185], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 185 [pid 6255] <... munmap resumed>) = 0 [pid 6262] <... set_robust_list resumed>) = 0 [pid 6259] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6258] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] memfd_create("syzkaller", 0 [pid 6258] <... futex resumed>) = 0 [pid 6262] <... memfd_create resumed>) = 3 [pid 6259] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6258] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6262] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6259] <... mprotect resumed>) = 0 [pid 6262] <... mmap resumed>) = 0x7f7a51cd9000 [ 168.178566][ T6254] loop4: detected capacity change from 0 to 4096 [pid 6255] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6259] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6255] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6263 attached [pid 6263] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6259] <... clone resumed>, parent_tid=[183], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 183 [pid 6255] ioctl(4, LOOP_SET_FD, 3 [pid 6259] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... set_robust_list resumed>) = 0 [pid 6259] <... futex resumed>) = 0 [pid 6259] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6263] memfd_create("syzkaller", 0) = 3 [pid 6263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6261] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6260] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6255] <... ioctl resumed>) = 0 [pid 6263] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6262] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6255] close(3 [pid 6254] <... mount resumed>) = 0 [pid 6255] <... close resumed>) = 0 [pid 6254] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6255] mkdir("./file0", 0777) = 0 [pid 6254] <... openat resumed>) = 3 [pid 6255] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6254] chdir("./file0") = 0 [pid 6254] ioctl(4, LOOP_CLR_FD) = 0 [ 168.251252][ T6255] loop1: detected capacity change from 0 to 4096 [pid 6254] close(4) = 0 [pid 6254] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6253] <... futex resumed>) = 0 [pid 6254] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6253] <... futex resumed>) = 0 [pid 6254] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6253] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6254] <... mkdirat resumed>) = 0 [pid 6254] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6253] <... futex resumed>) = 0 [pid 6254] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6253] <... futex resumed>) = 0 [pid 6254] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6253] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6254] <... symlinkat resumed>) = 0 [pid 6255] <... mount resumed>) = 0 [pid 6254] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6255] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6254] <... futex resumed>) = 1 [pid 6253] <... futex resumed>) = 0 [pid 6255] <... openat resumed>) = 3 [pid 6254] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] close(3 [pid 6255] chdir("./file0" [pid 6253] <... close resumed>) = 0 [pid 6255] <... chdir resumed>) = 0 [pid 6253] close(4 [pid 6255] ioctl(4, LOOP_CLR_FD [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6261] <... write resumed>) = 2097152 [pid 6260] <... write resumed>) = 2097152 [pid 6255] <... ioctl resumed>) = 0 [pid 6253] close(5 [pid 6261] munmap(0x7f7a51cd9000, 2097152 [pid 6255] close(4 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6262] <... write resumed>) = 2097152 [pid 6261] <... munmap resumed>) = 0 [pid 6255] <... close resumed>) = 0 [pid 6253] close(6 [pid 6260] munmap(0x7f7a51cd9000, 2097152 [pid 6262] munmap(0x7f7a51cd9000, 2097152 [pid 6261] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6260] <... munmap resumed>) = 0 [pid 6255] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] close(7 [pid 6261] <... openat resumed>) = 4 [pid 6260] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6255] <... futex resumed>) = 1 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] <... futex resumed>) = 0 [pid 6262] <... munmap resumed>) = 0 [pid 6261] ioctl(4, LOOP_SET_FD, 3 [pid 6260] <... openat resumed>) = 4 [pid 6255] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] close(8 [pid 6252] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] <... write resumed>) = 2097152 [pid 6262] <... openat resumed>) = 4 [pid 6261] <... ioctl resumed>) = 0 [pid 6260] ioctl(4, LOOP_SET_FD, 3 [pid 6255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6253] close(9 [pid 6252] <... futex resumed>) = 0 [pid 6263] munmap(0x7f7a51cd9000, 2097152 [pid 6262] ioctl(4, LOOP_SET_FD, 3 [pid 6261] close(3 [pid 6260] <... ioctl resumed>) = 0 [pid 6255] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6263] <... munmap resumed>) = 0 [pid 6253] close(10) = -1 EBADF (Bad file descriptor) [pid 6253] close(11) = -1 EBADF (Bad file descriptor) [pid 6253] close(12) = -1 EBADF (Bad file descriptor) [pid 6253] close(13) = -1 EBADF (Bad file descriptor) [pid 6253] close(14) = -1 EBADF (Bad file descriptor) [pid 6263] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6262] <... ioctl resumed>) = 0 [pid 6261] <... close resumed>) = 0 [pid 6260] close(3 [pid 6263] <... openat resumed>) = 4 [pid 6262] close(3 [pid 6261] mkdir("./file0", 0777 [pid 6260] <... close resumed>) = 0 [pid 6253] close(15 [pid 6263] ioctl(4, LOOP_SET_FD, 3 [pid 6262] <... close resumed>) = 0 [pid 6261] <... mkdir resumed>) = 0 [pid 6260] mkdir("./file0", 0777 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... mkdirat resumed>) = 0 [pid 6253] close(16 [pid 6255] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... futex resumed>) = 1 [pid 6253] close(17 [pid 6255] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] <... ioctl resumed>) = 0 [pid 6262] mkdir("./file0", 0777 [pid 6261] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6260] <... mkdir resumed>) = 0 [pid 6253] close(18 [pid 6252] <... futex resumed>) = 0 [pid 6263] close(3 [pid 6262] <... mkdir resumed>) = 0 [pid 6260] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] <... close resumed>) = 0 [pid 6262] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6255] <... futex resumed>) = 0 [pid 6253] close(19 [pid 6252] <... futex resumed>) = 1 [pid 6255] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6263] mkdir("./file0", 0777 [pid 6255] <... symlinkat resumed>) = 0 [pid 6253] close(20 [pid 6263] <... mkdir resumed>) = 0 [pid 6263] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6255] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6255] <... futex resumed>) = 1 [pid 6253] close(21 [pid 6252] <... futex resumed>) = 0 [pid 6255] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 168.408289][ T6261] loop5: detected capacity change from 0 to 4096 [ 168.423961][ T6260] loop2: detected capacity change from 0 to 4096 [ 168.435797][ T6262] loop3: detected capacity change from 0 to 4096 [ 168.446497][ T6263] loop0: detected capacity change from 0 to 4096 [pid 6252] close(3 [pid 6253] close(22 [pid 6252] <... close resumed>) = 0 [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(4 [pid 6253] close(23 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(5 [pid 6253] close(24 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(6 [pid 6253] close(25 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(7) = -1 EBADF (Bad file descriptor) [pid 6253] close(26) = -1 EBADF (Bad file descriptor) [pid 6252] close(8 [pid 6253] close(27 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(9 [pid 6253] close(28 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(10 [pid 6253] close(29 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(11 [pid 6253] exit_group(0 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6262] <... mount resumed>) = 0 [pid 6260] <... mount resumed>) = 0 [pid 6254] <... futex resumed>) = ? [pid 6253] <... exit_group resumed>) = ? [pid 6252] close(12 [pid 6261] <... mount resumed>) = 0 [pid 6260] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6254] +++ exited with 0 +++ [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] <... openat resumed>) = 3 [pid 6252] close(13 [pid 6260] chdir("./file0" [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] <... chdir resumed>) = 0 [pid 6252] close(14 [pid 6260] ioctl(4, LOOP_CLR_FD [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] <... ioctl resumed>) = 0 [pid 6252] close(15 [pid 6260] close(4 [pid 6253] +++ exited with 0 +++ [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] <... close resumed>) = 0 [pid 6252] close(16 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=180, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 6260] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6260] <... futex resumed>) = 1 [pid 6256] <... futex resumed>) = 0 [pid 6252] close(17 [pid 6260] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6256] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... futex resumed>) = 0 [pid 6252] close(18 [pid 6256] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6252] close(19) = -1 EBADF (Bad file descriptor) [pid 6252] close(20) = -1 EBADF (Bad file descriptor) [pid 6252] close(21) = -1 EBADF (Bad file descriptor) [pid 6252] close(22) = -1 EBADF (Bad file descriptor) [pid 6252] close(23) = -1 EBADF (Bad file descriptor) [pid 6252] close(24) = -1 EBADF (Bad file descriptor) [pid 6252] close(25) = -1 EBADF (Bad file descriptor) [pid 6252] close(26) = -1 EBADF (Bad file descriptor) [pid 6252] close(27) = -1 EBADF (Bad file descriptor) [pid 6252] close(28) = -1 EBADF (Bad file descriptor) [pid 6252] close(29) = -1 EBADF (Bad file descriptor) [pid 6252] exit_group(0 [pid 6255] <... futex resumed>) = ? [pid 6252] <... exit_group resumed>) = ? [pid 6262] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6255] +++ exited with 0 +++ [pid 6252] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6263] <... mount resumed>) = 0 [pid 6262] <... openat resumed>) = 3 [pid 6261] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6263] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6262] chdir("./file0" [pid 5076] umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6263] <... openat resumed>) = 3 [pid 6262] <... chdir resumed>) = 0 [pid 6261] <... openat resumed>) = 3 [pid 5078] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6263] chdir("./file0" [pid 6262] ioctl(4, LOOP_CLR_FD [pid 6261] chdir("./file0" [pid 6260] <... mkdirat resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6263] <... chdir resumed>) = 0 [pid 6260] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6263] ioctl(4, LOOP_CLR_FD [pid 6260] <... futex resumed>) = 1 [pid 6256] <... futex resumed>) = 0 [pid 6263] <... ioctl resumed>) = 0 [pid 6260] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6256] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6263] close(4 [pid 6262] <... ioctl resumed>) = 0 [pid 6261] <... chdir resumed>) = 0 [pid 6260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5078] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... openat resumed>) = 3 [pid 6256] <... futex resumed>) = 0 [pid 6263] <... close resumed>) = 0 [pid 6262] close(4 [pid 6261] ioctl(4, LOOP_CLR_FD [pid 6260] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6256] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... openat resumed>) = 3 [pid 5076] fstat(3, [pid 6263] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] <... close resumed>) = 0 [pid 6261] <... ioctl resumed>) = 0 [pid 5078] fstat(3, [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6263] <... futex resumed>) = 1 [pid 6262] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] close(4 [pid 6260] <... symlinkat resumed>) = 0 [pid 6259] <... futex resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] getdents64(3, [pid 6263] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6262] <... futex resumed>) = 1 [pid 6261] <... close resumed>) = 0 [pid 6260] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] <... futex resumed>) = 0 [pid 5078] getdents64(3, [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6262] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6260] <... futex resumed>) = 1 [pid 6259] <... futex resumed>) = 0 [pid 6258] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... futex resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6263] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6261] <... futex resumed>) = 1 [pid 6260] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6259] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6258] <... futex resumed>) = 0 [pid 6257] <... futex resumed>) = 0 [pid 6256] close(3 [pid 5078] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6262] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6261] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6258] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... close resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./89/binderfs", [pid 6263] <... mkdirat resumed>) = 0 [pid 6262] <... mkdirat resumed>) = 0 [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6257] <... futex resumed>) = 0 [pid 6256] close(4 [pid 5078] lstat("./95/binderfs", [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6263] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6257] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] unlink("./89/binderfs" [pid 6263] <... futex resumed>) = 1 [pid 6262] <... futex resumed>) = 1 [pid 6261] <... mkdirat resumed>) = 0 [pid 6259] <... futex resumed>) = 0 [pid 6258] <... futex resumed>) = 0 [pid 6256] close(5 [pid 5078] unlink("./95/binderfs" [pid 6263] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6262] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6258] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 6263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6261] <... futex resumed>) = 1 [pid 6259] <... futex resumed>) = 0 [pid 6258] <... futex resumed>) = 0 [pid 6257] <... futex resumed>) = 0 [pid 6256] close(6 [pid 5078] umount2("./95/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./89/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6263] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6262] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6261] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6259] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6258] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6257] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6263] <... symlinkat resumed>) = 0 [pid 6262] <... symlinkat resumed>) = 0 [pid 6261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6257] <... futex resumed>) = 0 [pid 6256] close(7 [pid 5078] lstat("./95/cgroup", [pid 5076] lstat("./89/cgroup", [pid 6263] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6262] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6261] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6257] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6263] <... futex resumed>) = 1 [pid 6262] <... futex resumed>) = 1 [pid 6261] <... symlinkat resumed>) = 0 [pid 6259] <... futex resumed>) = 0 [pid 6258] <... futex resumed>) = 0 [pid 6256] close(8 [pid 5078] unlink("./95/cgroup" [pid 5076] unlink("./89/cgroup" [pid 6263] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6262] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6261] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6259] close(3 [pid 6258] close(3 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 6261] <... futex resumed>) = 1 [pid 6259] <... close resumed>) = 0 [pid 6258] <... close resumed>) = 0 [pid 6257] <... futex resumed>) = 0 [pid 6256] close(9 [pid 5078] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./89/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6261] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6259] close(4 [pid 6258] close(4 [pid 6257] close(3 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = 0 [pid 6256] close(10 [pid 5078] lstat("./95/cgroup.net", [pid 5076] lstat("./89/cgroup.net", [pid 6259] close(5 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./95/cgroup.net" [pid 6259] close(6 [pid 6258] close(5 [pid 6257] close(4 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6259] close(7 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(11 [pid 5076] unlink("./89/cgroup.net" [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6258] close(6 [pid 6257] close(5 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... unlink resumed>) = 0 [pid 6259] close(8 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(12 [pid 5076] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6258] close(7 [pid 6257] close(6 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] close(9 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(13 [pid 6259] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6259] close(10) = -1 EBADF (Bad file descriptor) [pid 6259] close(11) = -1 EBADF (Bad file descriptor) [pid 6259] close(12) = -1 EBADF (Bad file descriptor) [pid 6259] close(13) = -1 EBADF (Bad file descriptor) [pid 6259] close(14) = -1 EBADF (Bad file descriptor) [pid 6259] close(15) = -1 EBADF (Bad file descriptor) [pid 6259] close(16) = -1 EBADF (Bad file descriptor) [pid 6259] close(17) = -1 EBADF (Bad file descriptor) [pid 6259] close(18) = -1 EBADF (Bad file descriptor) [pid 6259] close(19) = -1 EBADF (Bad file descriptor) [pid 6259] close(20) = -1 EBADF (Bad file descriptor) [pid 6259] close(21) = -1 EBADF (Bad file descriptor) [pid 6259] close(22) = -1 EBADF (Bad file descriptor) [pid 6259] close(23) = -1 EBADF (Bad file descriptor) [pid 6259] close(24) = -1 EBADF (Bad file descriptor) [pid 6259] close(25) = -1 EBADF (Bad file descriptor) [pid 6259] close(26) = -1 EBADF (Bad file descriptor) [pid 6259] close(27) = -1 EBADF (Bad file descriptor) [pid 6259] close(28) = -1 EBADF (Bad file descriptor) [pid 6259] close(29) = -1 EBADF (Bad file descriptor) [pid 6259] exit_group(0 [pid 6263] <... futex resumed>) = ? [pid 6259] <... exit_group resumed>) = ? [pid 6258] close(8 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6263] +++ exited with 0 +++ [pid 6259] +++ exited with 0 +++ [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] close(7 [pid 6256] close(14 [pid 6258] close(9 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] close(8 [pid 6256] close(15 [pid 6258] close(10 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] close(9 [pid 6256] close(16 [pid 5074] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6258] close(11 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] close(10 [pid 6256] close(17 [pid 5074] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6258] close(12 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... openat resumed>) = 3 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] close(11 [pid 6256] close(18 [pid 5074] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./90/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./90/binderfs") = 0 [pid 5074] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./90/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] unlink("./90/cgroup") = 0 [pid 5074] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./90/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] unlink("./90/cgroup.net" [pid 5078] <... umount2 resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 5074] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6258] close(13 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = 0 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(19 [pid 6258] close(14 [pid 6257] close(12 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(20 [pid 5078] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./95/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./95/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5078] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6258] close(15 [pid 6257] close(13 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(4 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(21 [pid 5078] <... close resumed>) = 0 [pid 6258] close(16 [pid 6257] close(14 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] rmdir("./95/file0") = 0 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(22 [pid 5078] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6258] close(17 [pid 6257] close(15 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(23 [pid 5078] lstat("./95/cgroup.cpu", [pid 6258] close(18 [pid 6257] close(16 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = 0 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(24 [pid 5078] unlink("./95/cgroup.cpu" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6258] close(19 [pid 6257] close(17 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] lstat("./89/file0", [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(25 [pid 6258] close(20 [pid 6257] close(18 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(26 [pid 5078] getdents64(3, [pid 5076] umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6258] close(21 [pid 6257] close(19 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(27 [pid 5078] close(3 [pid 5076] openat(AT_FDCWD, "./89/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6258] close(22 [pid 6257] close(20 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = 0 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(28 [pid 5078] rmdir("./95" [pid 5076] <... openat resumed>) = 4 [pid 5074] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6258] close(23 [pid 6257] close(21 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] close(29 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6258] close(24 [pid 6257] close(22 [pid 6256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... rmdir resumed>) = 0 [pid 5076] fstat(4, [pid 5074] lstat("./90/file0", [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] exit_group(0 [pid 5078] mkdir("./96", 0777 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6260] <... futex resumed>) = ? [pid 6258] close(25 [pid 6257] close(23 [pid 6256] <... exit_group resumed>) = ? [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6260] +++ exited with 0 +++ [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6256] +++ exited with 0 +++ [pid 5078] <... mkdir resumed>) = 0 [pid 5076] getdents64(4, [pid 5074] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6258] close(26 [pid 6257] close(24 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5078] <... openat resumed>) = 3 [pid 5076] getdents64(4, [pid 5074] openat(AT_FDCWD, "./90/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6258] close(27 [pid 6257] close(25 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] <... openat resumed>) = 4 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... restart_syscall resumed>) = 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] close(4 [pid 5074] fstat(4, [pid 6258] close(28 [pid 6257] close(26 [pid 5078] close(3 [pid 5076] <... close resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = 0 [pid 5076] rmdir("./89/file0" [pid 5074] getdents64(4, [pid 6258] close(29 [pid 6257] close(27 [pid 5079] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... rmdir resumed>) = 0 [pid 5074] getdents64(4, [pid 6258] exit_group(0 [pid 6257] close(28 [pid 5079] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6265 attached [pid 6262] <... futex resumed>) = ? [pid 6258] <... exit_group resumed>) = ? [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 5076] umount2("./89/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] close(4 [pid 6265] set_robust_list(0x5555562845e0, 24 [pid 6262] +++ exited with 0 +++ [pid 6258] +++ exited with 0 +++ [pid 6257] close(29 [pid 5079] fstat(3, [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 194 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 [pid 6265] <... set_robust_list resumed>) = 0 [pid 6257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] lstat("./89/cgroup.cpu", [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5074] rmdir("./90/file0" [pid 6265] chdir("./96" [pid 6257] exit_group(0 [pid 5079] getdents64(3, [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5074] <... rmdir resumed>) = 0 [pid 6265] <... chdir resumed>) = 0 [pid 6261] <... futex resumed>) = ? [pid 6257] <... exit_group resumed>) = ? [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] unlink("./89/cgroup.cpu" [pid 5075] <... restart_syscall resumed>) = 0 [pid 5074] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6261] +++ exited with 0 +++ [pid 6257] +++ exited with 0 +++ [pid 5079] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6265] <... prctl resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5076] <... unlink resumed>) = 0 [pid 5074] lstat("./90/cgroup.cpu", [pid 6265] setpgid(0, 0 [pid 5079] lstat("./97/binderfs", [pid 5076] getdents64(3, [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6265] <... setpgid resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./90/cgroup.cpu" [pid 6265] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5079] unlink("./97/binderfs" [pid 5076] close(3 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... unlink resumed>) = 0 [pid 6265] <... symlink resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5075] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] getdents64(3, [pid 6265] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5079] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] rmdir("./89" [pid 5075] <... openat resumed>) = 3 [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6265] <... symlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] close(3 [pid 6265] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5079] lstat("./97/cgroup", [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... rmdir resumed>) = 0 [pid 5075] fstat(3, [pid 5074] <... close resumed>) = 0 [pid 6265] <... symlink resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] mkdir("./90", 0777 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] rmdir("./90" [pid 6265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] unlink("./97/cgroup" [pid 5077] <... openat resumed>) = 3 [pid 5076] <... mkdir resumed>) = 0 [pid 5075] getdents64(3, [pid 5074] <... rmdir resumed>) = 0 [pid 6265] <... openat resumed>) = 3 [pid 5079] <... unlink resumed>) = 0 [pid 5077] fstat(3, [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5074] mkdir("./91", 0777 [pid 6265] write(3, "1000", 4 [pid 5079] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... mkdir resumed>) = 0 [pid 6265] <... write resumed>) = 4 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] getdents64(3, [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5075] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6265] close(3 [pid 5079] lstat("./97/cgroup.net", [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... openat resumed>) = 3 [pid 6265] <... close resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] close(3 [pid 5075] lstat("./91/binderfs", [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6265] symlink("/dev/binderfs", "./binderfs" [pid 5079] unlink("./97/cgroup.net" [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... close resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6265] <... symlink resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5077] lstat("./92/binderfs", [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] unlink("./91/binderfs" [pid 5074] close(3./strace-static-x86_64: Process 6266 attached [pid 6265] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 6266] set_robust_list(0x5555562845e0, 24 [pid 6265] <... futex resumed>) = 0 [pid 5077] unlink("./92/binderfs" [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 182 [pid 5075] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6266] <... set_robust_list resumed>) = 0 [pid 6265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5077] <... unlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6267 attached [pid 6266] chdir("./90" [pid 6265] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5077] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] lstat("./91/cgroup", [pid 6267] set_robust_list(0x5555562845e0, 24 [pid 6266] <... chdir resumed>) = 0 [pid 6265] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 184 [pid 6267] <... set_robust_list resumed>) = 0 [pid 6266] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] unlink("./91/cgroup" [pid 6267] chdir("./91" [pid 6266] <... prctl resumed>) = 0 [pid 6265] <... mprotect resumed>) = 0 [pid 5077] lstat("./92/cgroup", [pid 5075] <... unlink resumed>) = 0 [pid 6266] setpgid(0, 0 [pid 6265] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6268 attached [pid 6267] <... chdir resumed>) = 0 [pid 6266] <... setpgid resumed>) = 0 [pid 5077] unlink("./92/cgroup" [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6266] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5075] lstat("./91/cgroup.net", [pid 6266] <... symlink resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6266] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5075] unlink("./91/cgroup.net" [pid 6268] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6266] <... symlink resumed>) = 0 [pid 6265] <... clone resumed>, parent_tid=[195], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 195 [pid 5079] <... umount2 resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6268] <... set_robust_list resumed>) = 0 [pid 6267] <... prctl resumed>) = 0 [pid 6266] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6265] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6268] memfd_create("syzkaller", 0 [pid 6267] setpgid(0, 0 [pid 6266] <... symlink resumed>) = 0 [pid 6265] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6268] <... memfd_create resumed>) = 3 [pid 6267] <... setpgid resumed>) = 0 [pid 6266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6265] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] lstat("./97/file0", [pid 5077] lstat("./92/cgroup.net", [pid 5075] <... umount2 resumed>) = 0 [pid 6268] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6267] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6266] <... openat resumed>) = 3 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6268] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6267] <... symlink resumed>) = 0 [pid 6266] write(3, "1000", 4 [pid 5079] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6266] <... write resumed>) = 4 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] unlink("./92/cgroup.net" [pid 6266] close(3 [pid 5079] openat(AT_FDCWD, "./97/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6267] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6266] <... close resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 5077] <... unlink resumed>) = 0 [pid 6267] <... symlink resumed>) = 0 [pid 6266] symlink("/dev/binderfs", "./binderfs" [pid 5079] fstat(4, [pid 5077] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6267] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6266] <... symlink resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6267] <... symlink resumed>) = 0 [pid 6266] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] getdents64(4, [pid 6267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6266] <... futex resumed>) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] getdents64(4, [pid 6266] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6266] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] close(4 [pid 6267] <... openat resumed>) = 3 [pid 6266] <... mprotect resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 6267] write(3, "1000", 4 [pid 6266] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5079] rmdir("./97/file0" [pid 5075] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6269 attached [pid 6267] <... write resumed>) = 4 [pid 5079] <... rmdir resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6269] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6267] close(3 [pid 6266] <... clone resumed>, parent_tid=[183], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 183 [pid 5079] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6269] <... set_robust_list resumed>) = 0 [pid 6267] <... close resumed>) = 0 [pid 6266] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... umount2 resumed>) = 0 [pid 5075] lstat("./91/file0", [pid 6269] memfd_create("syzkaller", 0 [pid 6267] symlink("/dev/binderfs", "./binderfs" [pid 6266] <... futex resumed>) = 0 [pid 5079] lstat("./97/cgroup.cpu", [pid 6269] <... memfd_create resumed>) = 3 [pid 6267] <... symlink resumed>) = 0 [pid 6266] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6267] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] unlink("./97/cgroup.cpu" [pid 5075] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6269] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6267] <... futex resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] getdents64(3, [pid 5077] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] openat(AT_FDCWD, "./91/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6267] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... openat resumed>) = 4 [pid 6267] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] close(3 [pid 5077] lstat("./92/file0", [pid 5075] fstat(4, [pid 6267] <... mprotect resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] rmdir("./97" [pid 5075] getdents64(4, [pid 5079] <... rmdir resumed>) = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5079] mkdir("./98", 0777 [pid 5075] getdents64(4, [pid 5079] <... mkdir resumed>) = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5075] close(4 [pid 5079] <... openat resumed>) = 3 [pid 5075] <... close resumed>) = 0 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5075] rmdir("./91/file0" [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] <... rmdir resumed>) = 0 [pid 5079] close(3 [pid 5075] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6267] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5079] <... close resumed>) = 0 [pid 5077] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] lstat("./91/cgroup.cpu", ./strace-static-x86_64: Process 6271 attached ./strace-static-x86_64: Process 6270 attached [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6271] set_robust_list(0x5555562845e0, 24 [pid 6270] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6267] <... clone resumed>, parent_tid=[185], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 185 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 198 [pid 5077] openat(AT_FDCWD, "./92/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] unlink("./91/cgroup.cpu" [pid 6271] <... set_robust_list resumed>) = 0 [pid 6270] <... set_robust_list resumed>) = 0 [pid 6268] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6267] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... openat resumed>) = 4 [pid 5075] <... unlink resumed>) = 0 [pid 6271] chdir("./98" [pid 6267] <... futex resumed>) = 0 [pid 5075] getdents64(3, [pid 6271] <... chdir resumed>) = 0 [pid 6270] memfd_create("syzkaller", 0 [pid 6269] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6267] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5077] fstat(4, [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6270] <... memfd_create resumed>) = 3 [pid 5075] close(3 [pid 6271] <... prctl resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 6271] setpgid(0, 0 [pid 5075] rmdir("./91" [pid 6271] <... setpgid resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 6271] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5075] mkdir("./92", 0777 [pid 6271] <... symlink resumed>) = 0 [pid 6270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... mkdir resumed>) = 0 [pid 6271] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6270] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5077] getdents64(4, [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6271] <... symlink resumed>) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] <... openat resumed>) = 3 [pid 6271] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5077] getdents64(4, [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6271] <... symlink resumed>) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] close(4 [pid 5075] close(3 [pid 6271] <... openat resumed>) = 3 [pid 5077] <... close resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 6271] write(3, "1000", 4 [pid 5077] rmdir("./92/file0" [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6272 attached [pid 6271] <... write resumed>) = 4 [pid 5077] <... rmdir resumed>) = 0 [pid 6272] set_robust_list(0x5555562845e0, 24 [pid 6271] close(3 [pid 5077] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 186 [pid 6272] <... set_robust_list resumed>) = 0 [pid 6271] <... close resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6272] chdir("./92" [pid 6271] symlink("/dev/binderfs", "./binderfs" [pid 5077] lstat("./92/cgroup.cpu", [pid 6272] <... chdir resumed>) = 0 [pid 6271] <... symlink resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6271] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] unlink("./92/cgroup.cpu" [pid 6272] <... prctl resumed>) = 0 [pid 6271] <... futex resumed>) = 0 [pid 6272] setpgid(0, 0 [pid 6271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5077] <... unlink resumed>) = 0 [pid 6272] <... setpgid resumed>) = 0 [pid 6271] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5077] getdents64(3, [pid 6272] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6271] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6272] <... symlink resumed>) = 0 [pid 6271] <... mprotect resumed>) = 0 [pid 5077] close(3 [pid 6272] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6271] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6273 attached [pid 6272] <... symlink resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 6273] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6272] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6271] <... clone resumed>, parent_tid=[199], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 199 [pid 5077] rmdir("./92" [pid 6273] <... set_robust_list resumed>) = 0 [pid 6272] <... symlink resumed>) = 0 [pid 6271] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6271] <... futex resumed>) = 0 [pid 6272] <... openat resumed>) = 3 [pid 6271] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5077] <... rmdir resumed>) = 0 [pid 6272] write(3, "1000", 4 [pid 6273] memfd_create("syzkaller", 0 [pid 6272] <... write resumed>) = 4 [pid 5077] mkdir("./93", 0777 [pid 6273] <... memfd_create resumed>) = 3 [pid 6272] close(3 [pid 6273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6272] <... close resumed>) = 0 [pid 5077] <... mkdir resumed>) = 0 [pid 6273] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6272] symlink("/dev/binderfs", "./binderfs" [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6272] <... symlink resumed>) = 0 [pid 6272] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6272] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6272] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5077] <... openat resumed>) = 3 [pid 6272] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5077] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6274 attached [pid 6274] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6272] <... clone resumed>, parent_tid=[187], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 187 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6274] <... set_robust_list resumed>) = 0 [pid 6272] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] close(3 [pid 6274] memfd_create("syzkaller", 0 [pid 6272] <... futex resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 6274] <... memfd_create resumed>) = 3 [pid 6272] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6274] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 ./strace-static-x86_64: Process 6275 attached [pid 6268] <... write resumed>) = 2097152 [pid 6275] set_robust_list(0x5555562845e0, 24 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 188 [pid 6275] <... set_robust_list resumed>) = 0 [pid 6269] <... write resumed>) = 2097152 [pid 6275] chdir("./93") = 0 [pid 6275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6268] munmap(0x7f7a51cd9000, 2097152 [pid 6275] <... prctl resumed>) = 0 [pid 6275] setpgid(0, 0 [pid 6268] <... munmap resumed>) = 0 [pid 6275] <... setpgid resumed>) = 0 [pid 6275] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 6275] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 6268] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6275] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 6275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6268] <... openat resumed>) = 4 [pid 6275] <... openat resumed>) = 3 [pid 6268] ioctl(4, LOOP_SET_FD, 3 [pid 6275] write(3, "1000", 4) = 4 [pid 6275] close(3 [pid 6269] munmap(0x7f7a51cd9000, 2097152 [pid 6275] <... close resumed>) = 0 [pid 6275] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6275] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6275] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6275] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6276 attached [pid 6276] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6275] <... clone resumed>, parent_tid=[189], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 189 [pid 6276] <... set_robust_list resumed>) = 0 [pid 6275] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6269] <... munmap resumed>) = 0 [pid 6275] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6276] memfd_create("syzkaller", 0 [pid 6269] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6276] <... memfd_create resumed>) = 3 [pid 6269] <... openat resumed>) = 4 [pid 6276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 6269] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6274] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6273] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6269] close(3) = 0 [pid 6269] mkdir("./file0", 0777 [pid 6268] <... ioctl resumed>) = 0 [pid 6268] close(3) = 0 [pid 6268] mkdir("./file0", 0777 [pid 6269] <... mkdir resumed>) = 0 [pid 6269] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6268] <... mkdir resumed>) = 0 [pid 6268] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6270] <... write resumed>) = 2097152 [ 169.125205][ T6268] loop1: detected capacity change from 0 to 4096 [ 169.143860][ T6269] loop4: detected capacity change from 0 to 4096 [pid 6270] munmap(0x7f7a51cd9000, 2097152) = 0 [pid 6270] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6274] <... write resumed>) = 2097152 [pid 6270] ioctl(4, LOOP_SET_FD, 3 [pid 6274] munmap(0x7f7a51cd9000, 2097152 [pid 6270] <... ioctl resumed>) = 0 [pid 6270] close(3) = 0 [pid 6270] mkdir("./file0", 0777) = 0 [pid 6270] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6276] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6274] <... munmap resumed>) = 0 [pid 6274] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6273] <... write resumed>) = 2097152 [pid 6268] <... mount resumed>) = 0 [pid 6274] <... openat resumed>) = 4 [pid 6273] munmap(0x7f7a51cd9000, 2097152 [pid 6268] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 169.211902][ T6270] loop0: detected capacity change from 0 to 4096 [pid 6274] ioctl(4, LOOP_SET_FD, 3 [pid 6273] <... munmap resumed>) = 0 [pid 6268] <... openat resumed>) = 3 [pid 6269] <... mount resumed>) = 0 [pid 6276] <... write resumed>) = 2097152 [pid 6274] <... ioctl resumed>) = 0 [pid 6273] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6269] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6268] chdir("./file0" [pid 6276] munmap(0x7f7a51cd9000, 2097152 [pid 6273] <... openat resumed>) = 4 [pid 6270] <... mount resumed>) = 0 [pid 6268] <... chdir resumed>) = 0 [pid 6276] <... munmap resumed>) = 0 [pid 6274] close(3 [pid 6273] ioctl(4, LOOP_SET_FD, 3 [pid 6270] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6269] <... openat resumed>) = 3 [pid 6268] ioctl(4, LOOP_CLR_FD [pid 6274] <... close resumed>) = 0 [pid 6269] chdir("./file0" [pid 6274] mkdir("./file0", 0777 [pid 6269] <... chdir resumed>) = 0 [pid 6274] <... mkdir resumed>) = 0 [pid 6269] ioctl(4, LOOP_CLR_FD [pid 6274] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6269] <... ioctl resumed>) = 0 [pid 6276] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6273] <... ioctl resumed>) = 0 [pid 6270] <... openat resumed>) = 3 [pid 6269] close(4 [pid 6268] <... ioctl resumed>) = 0 [pid 6276] <... openat resumed>) = 4 [pid 6270] chdir("./file0" [pid 6269] <... close resumed>) = 0 [pid 6268] close(4 [pid 6276] ioctl(4, LOOP_SET_FD, 3 [pid 6270] <... chdir resumed>) = 0 [pid 6268] <... close resumed>) = 0 [pid 6276] <... ioctl resumed>) = 0 [pid 6270] ioctl(4, LOOP_CLR_FD [pid 6268] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] <... ioctl resumed>) = 0 [pid 6268] <... futex resumed>) = 1 [pid 6265] <... futex resumed>) = 0 [pid 6270] close(4 [pid 6268] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] close(3 [pid 6270] <... close resumed>) = 0 [pid 6268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... close resumed>) = 0 [pid 6270] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6265] <... futex resumed>) = 0 [pid 6266] <... futex resumed>) = 0 [pid 6269] <... futex resumed>) = 1 [pid 6273] mkdir("./file0", 0777 [pid 6270] <... futex resumed>) = 1 [pid 6269] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6267] <... futex resumed>) = 0 [pid 6266] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6270] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6268] <... mkdirat resumed>) = 0 [pid 6267] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... mkdir resumed>) = 0 [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6268] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... futex resumed>) = 0 [pid 6266] <... futex resumed>) = 0 [pid 6276] close(3 [pid 6273] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6270] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6268] <... futex resumed>) = 0 [pid 6267] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6266] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6270] <... mkdirat resumed>) = 0 [pid 6269] <... mkdirat resumed>) = 0 [pid 6268] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6270] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6265] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] <... futex resumed>) = 1 [pid 6269] <... futex resumed>) = 1 [pid 6268] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6267] <... futex resumed>) = 0 [pid 6266] <... futex resumed>) = 0 [pid 6265] <... futex resumed>) = 0 [pid 6270] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6269] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6268] <... symlinkat resumed>) = 0 [pid 6267] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6266] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6265] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6276] <... close resumed>) = 0 [pid 6276] mkdir("./file0", 0777 [pid 6270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6268] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... futex resumed>) = 0 [pid 6266] <... futex resumed>) = 0 [pid 6265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6276] <... mkdir resumed>) = 0 [pid 6270] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6269] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6268] <... futex resumed>) = 0 [pid 6267] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6266] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6265] close(3 [pid 6276] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6270] <... symlinkat resumed>) = 0 [pid 6268] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6270] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6269] <... symlinkat resumed>) = 0 [pid 6265] <... close resumed>) = 0 [pid 6270] <... futex resumed>) = 1 [pid 6269] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] <... futex resumed>) = 0 [pid 6265] close(4 [pid 6270] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6269] <... futex resumed>) = 1 [pid 6267] close(3 [pid 6266] <... futex resumed>) = 0 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6267] <... close resumed>) = 0 [pid 6266] close(3 [pid 6265] close(5 [pid 6267] close(4 [pid 6266] <... close resumed>) = 0 [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(4 [pid 6265] close(6 [pid 6267] close(5 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(5 [pid 6265] close(7 [pid 6267] close(6 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(6 [pid 6265] close(8 [pid 6267] close(7 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(7 [ 169.272967][ T6274] loop3: detected capacity change from 0 to 4096 [ 169.292769][ T6273] loop2: detected capacity change from 0 to 4096 [ 169.302451][ T6276] loop5: detected capacity change from 0 to 4096 [pid 6265] close(9 [pid 6267] close(8 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(8 [pid 6265] close(10 [pid 6267] close(9 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(9 [pid 6265] close(11 [pid 6267] close(10 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(10 [pid 6265] close(12 [pid 6267] close(11 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(11 [pid 6265] close(13 [pid 6267] close(12 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(12 [pid 6265] close(14 [pid 6267] close(13 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(13 [pid 6265] close(15 [pid 6267] close(14 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(14 [pid 6265] close(16 [pid 6267] close(15 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(15 [pid 6265] close(17 [pid 6267] close(16 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... mount resumed>) = 0 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(16 [pid 6265] close(18 [pid 6276] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6267] close(17 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... openat resumed>) = 3 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(17 [pid 6265] close(19 [pid 6274] <... mount resumed>) = 0 [pid 6276] chdir("./file0" [pid 6274] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6267] close(18 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... chdir resumed>) = 0 [pid 6274] <... openat resumed>) = 3 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(18 [pid 6265] close(20 [pid 6276] ioctl(4, LOOP_CLR_FD [pid 6274] chdir("./file0" [pid 6267] close(19 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... ioctl resumed>) = 0 [pid 6274] <... chdir resumed>) = 0 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(19 [pid 6265] close(21 [pid 6276] close(4 [pid 6274] ioctl(4, LOOP_CLR_FD [pid 6267] close(20 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... close resumed>) = 0 [pid 6274] <... ioctl resumed>) = 0 [pid 6273] <... mount resumed>) = 0 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(20 [pid 6265] close(22 [pid 6276] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] close(4 [pid 6273] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6267] close(21 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... futex resumed>) = 1 [pid 6275] <... futex resumed>) = 0 [pid 6274] <... close resumed>) = 0 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(21 [pid 6265] close(23 [pid 6273] <... openat resumed>) = 3 [pid 6276] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] close(22 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6275] <... futex resumed>) = 0 [pid 6274] <... futex resumed>) = 1 [pid 6273] chdir("./file0" [pid 6272] <... futex resumed>) = 0 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(22 [pid 6265] close(24 [pid 6276] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6275] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6274] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] <... chdir resumed>) = 0 [pid 6272] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] close(23 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... mkdirat resumed>) = 0 [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6273] ioctl(4, LOOP_CLR_FD [pid 6272] <... futex resumed>) = 0 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(23 [pid 6265] close(25 [pid 6276] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6273] <... ioctl resumed>) = 0 [pid 6272] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] close(24 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... futex resumed>) = 1 [pid 6275] <... futex resumed>) = 0 [pid 6273] close(4 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] close(24 [pid 6265] close(26 [pid 6276] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... close resumed>) = 0 [pid 6267] close(25 [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6275] <... futex resumed>) = 0 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6275] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6274] <... mkdirat resumed>) = 0 [pid 6273] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] close(26 [pid 6266] close(25 [pid 6265] close(27 [pid 6276] <... symlinkat resumed>) = 0 [pid 6274] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] <... futex resumed>) = 1 [pid 6271] <... futex resumed>) = 0 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6274] <... futex resumed>) = 1 [pid 6273] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6272] <... futex resumed>) = 0 [pid 6271] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6267] close(27 [pid 6266] close(26 [pid 6265] close(28 [pid 6276] <... futex resumed>) = 1 [pid 6275] <... futex resumed>) = 0 [pid 6274] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6273] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6272] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6271] <... futex resumed>) = 0 [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6275] close(3 [pid 6274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6273] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6272] <... futex resumed>) = 0 [pid 6271] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] close(28 [pid 6266] close(27 [pid 6265] close(29 [pid 6275] <... close resumed>) = 0 [pid 6274] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6272] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] close(4 [pid 6274] <... symlinkat resumed>) = 0 [pid 6273] <... mkdirat resumed>) = 0 [pid 6267] close(29 [pid 6266] close(28 [pid 6265] exit_group(0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6273] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6268] <... futex resumed>) = ? [pid 6267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] <... exit_group resumed>) = ? [pid 6275] close(5 [pid 6274] <... futex resumed>) = 1 [pid 6273] <... futex resumed>) = 1 [pid 6272] <... futex resumed>) = 0 [pid 6271] <... futex resumed>) = 0 [pid 6268] +++ exited with 0 +++ [pid 6267] exit_group(0 [pid 6266] close(29 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6274] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6272] close(3 [pid 6270] <... futex resumed>) = ? [pid 6267] <... exit_group resumed>) = ? [pid 6275] close(6 [pid 6273] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6272] <... close resumed>) = 0 [pid 6271] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6270] +++ exited with 0 +++ [pid 6267] +++ exited with 0 +++ [pid 6266] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6265] +++ exited with 0 +++ [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(4 [pid 6271] <... futex resumed>) = 0 [pid 6266] exit_group(0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [pid 6275] close(7 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6269] <... futex resumed>) = ? [pid 6266] <... exit_group resumed>) = ? [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(5 [pid 6275] close(8 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(6 [pid 6275] close(9 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(7 [pid 6275] close(10 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(8 [pid 5074] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6275] close(11 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6269] +++ exited with 0 +++ [pid 6266] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(9 [pid 5078] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5074] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6275] close(12 [pid 6273] <... symlinkat resumed>) = 0 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... openat resumed>) = 3 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(10 [pid 5078] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] fstat(3, [pid 6275] close(13 [pid 6273] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 3 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6273] <... futex resumed>) = 1 [pid 6272] close(11 [pid 6271] <... futex resumed>) = 0 [pid 5078] fstat(3, [pid 5076] umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(3, [pid 6275] close(14 [pid 6273] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(3 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(12 [pid 6271] <... close resumed>) = 0 [pid 5078] getdents64(3, [pid 5076] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6275] close(15 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(4 [pid 5076] <... openat resumed>) = 3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(13 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] fstat(3, [pid 5074] lstat("./91/binderfs", [pid 6275] close(16 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(5 [pid 5078] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(14 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] getdents64(3, [pid 5074] unlink("./91/binderfs" [pid 6275] close(17 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(6 [pid 5078] lstat("./96/binderfs", [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... unlink resumed>) = 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(15 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6275] close(18 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(7 [pid 5078] unlink("./96/binderfs" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(16 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./91/cgroup", [pid 6275] close(19 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(8 [pid 5078] <... unlink resumed>) = 0 [pid 5076] lstat("./90/binderfs", [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(17 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./96/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./91/cgroup" [pid 6275] close(20 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(9 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] unlink("./90/binderfs" [pid 5074] <... unlink resumed>) = 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(18 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./96/cgroup", [pid 5074] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6275] close(21 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(10 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(19 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./96/cgroup" [pid 5076] umount2("./90/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./91/cgroup.net", [pid 6275] close(22 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(11 [pid 5078] <... unlink resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(20 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] unlink("./91/cgroup.net" [pid 6275] close(23 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(12 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./90/cgroup", [pid 5074] <... unlink resumed>) = 0 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(21 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./96/cgroup.net", [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6275] close(24 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(13 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] unlink("./90/cgroup" [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(22 [pid 5078] unlink("./96/cgroup.net" [pid 6275] close(25 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(23 [pid 6275] close(26 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(24 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 6275] close(27 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(14 [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(25 [pid 5078] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./90/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6275] close(28 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(26 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6275] close(29 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(15 [pid 5076] lstat("./90/cgroup.net", [pid 6275] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6272] close(27 [pid 6275] exit_group(0 [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6276] <... futex resumed>) = ? [pid 6275] <... exit_group resumed>) = ? [pid 6272] close(28 [pid 6276] +++ exited with 0 +++ [pid 6275] +++ exited with 0 +++ [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6272] close(29 [pid 6271] close(16 [pid 5076] unlink("./90/cgroup.net" [pid 6272] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5074] <... umount2 resumed>) = 0 [pid 6272] exit_group(0 [pid 6274] <... futex resumed>) = ? [pid 6272] <... exit_group resumed>) = ? [pid 6274] +++ exited with 0 +++ [pid 6272] +++ exited with 0 +++ [pid 6271] close(17 [pid 5077] restart_syscall(<... resuming interrupted clone ...> [pid 5076] <... unlink resumed>) = 0 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... restart_syscall resumed>) = 0 [pid 6271] close(18 [pid 5076] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(19 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5074] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./91/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./91/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] close(4) = 0 [pid 5074] rmdir("./91/file0") = 0 [pid 5074] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6271] close(20 [pid 5077] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6271] close(21 [pid 5077] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6271] close(22 [pid 5077] <... openat resumed>) = 3 [pid 5075] <... openat resumed>) = 3 [pid 5074] lstat("./91/cgroup.cpu", [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] fstat(3, [pid 5075] fstat(3, [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6271] close(23 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] unlink("./91/cgroup.cpu" [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] getdents64(3, [pid 5075] getdents64(3, [pid 5074] <... unlink resumed>) = 0 [pid 6271] close(24 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] getdents64(3, [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6271] close(25 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] close(3 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./93/binderfs", [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 [pid 6271] close(26 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] lstat("./92/binderfs", [pid 5074] rmdir("./91" [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./93/binderfs" [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 6271] close(27 [pid 5074] mkdir("./92", 0777 [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 5075] unlink("./92/binderfs" [pid 5074] <... mkdir resumed>) = 0 [pid 6271] close(28 [pid 5077] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 6271] close(29 [pid 5077] lstat("./93/cgroup", [pid 5075] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6271] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6271] exit_group(0 [pid 5077] unlink("./93/cgroup" [pid 5075] lstat("./92/cgroup", [pid 5074] close(3 [pid 6273] <... futex resumed>) = ? [pid 6271] <... exit_group resumed>) = ? [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... umount2 resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] <... close resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6278 attached [pid 6273] +++ exited with 0 +++ [pid 6271] +++ exited with 0 +++ [pid 5077] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] unlink("./92/cgroup" [pid 6278] set_robust_list(0x5555562845e0, 24 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 186 [pid 6278] <... set_robust_list resumed>) = 0 [pid 5077] lstat("./93/cgroup.net", [pid 5075] <... unlink resumed>) = 0 [pid 6278] chdir("./92" [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6278] <... chdir resumed>) = 0 [pid 5077] unlink("./93/cgroup.net" [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6278] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5077] <... unlink resumed>) = 0 [pid 5075] lstat("./92/cgroup.net", [pid 6278] <... prctl resumed>) = 0 [pid 5077] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6278] setpgid(0, 0 [pid 5079] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6278] <... setpgid resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] unlink("./92/cgroup.net" [pid 6278] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5079] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... umount2 resumed>) = 0 [pid 5076] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6278] <... symlink resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5075] <... unlink resumed>) = 0 [pid 6278] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5079] fstat(3, [pid 5078] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6278] <... symlink resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6278] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5079] getdents64(3, [pid 6278] <... symlink resumed>) = 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] lstat("./96/file0", [pid 5076] lstat("./90/file0", [pid 6278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6278] <... openat resumed>) = 3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6278] write(3, "1000", 4 [pid 5079] lstat("./98/binderfs", [pid 5078] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6278] <... write resumed>) = 4 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6278] close(3 [pid 5079] unlink("./98/binderfs" [pid 5078] openat(AT_FDCWD, "./96/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6278] <... close resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6278] symlink("/dev/binderfs", "./binderfs" [pid 5079] umount2("./98/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... openat resumed>) = 4 [pid 5076] openat(AT_FDCWD, "./90/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6278] <... symlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] fstat(4, [pid 5076] <... openat resumed>) = 4 [pid 5075] <... umount2 resumed>) = 0 [pid 6278] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] lstat("./98/cgroup", [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] fstat(4, [pid 5075] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6278] <... futex resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6278] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] unlink("./98/cgroup" [pid 6278] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5079] <... unlink resumed>) = 0 [pid 5078] getdents64(4, [pid 5077] <... umount2 resumed>) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6278] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] umount2("./98/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] getdents64(4, [pid 5075] lstat("./92/file0", [pid 6278] <... mprotect resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] getdents64(4, [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6278] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5079] lstat("./98/cgroup.net", [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5077] lstat("./93/file0", [pid 5076] getdents64(4, [pid 5075] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6279 attached [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] close(4 [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6279] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6278] <... clone resumed>, parent_tid=[187], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 187 [pid 5079] unlink("./98/cgroup.net" [pid 5078] <... close resumed>) = 0 [pid 5077] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] close(4 [pid 5075] openat(AT_FDCWD, "./92/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6279] <... set_robust_list resumed>) = 0 [pid 6278] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... unlink resumed>) = 0 [pid 5078] rmdir("./96/file0" [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... close resumed>) = 0 [pid 5075] <... openat resumed>) = 4 [pid 6279] memfd_create("syzkaller", 0 [pid 6278] <... futex resumed>) = 0 [pid 5079] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6279] <... memfd_create resumed>) = 3 [pid 6278] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] <... rmdir resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./93/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] rmdir("./90/file0" [pid 5075] fstat(4, [pid 6279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5078] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... openat resumed>) = 4 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6279] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] fstat(4, [pid 5076] umount2("./90/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] getdents64(4, [pid 5078] lstat("./96/cgroup.cpu", [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] getdents64(4, [pid 5076] lstat("./90/cgroup.cpu", [pid 5075] getdents64(4, [pid 5078] unlink("./96/cgroup.cpu" [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5077] getdents64(4, [pid 5076] unlink("./90/cgroup.cpu" [pid 5075] close(4 [pid 5078] getdents64(3, [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] close(4 [pid 5076] getdents64(3, [pid 5075] rmdir("./92/file0" [pid 5078] close(3 [pid 5077] <... close resumed>) = 0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5077] rmdir("./93/file0" [pid 5076] close(3 [pid 5075] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] rmdir("./96" [pid 5077] <... rmdir resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... rmdir resumed>) = 0 [pid 5077] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] rmdir("./90" [pid 5075] lstat("./92/cgroup.cpu", [pid 5078] mkdir("./97", 0777 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 5077] lstat("./93/cgroup.cpu", [pid 5076] mkdir("./91", 0777 [pid 5075] unlink("./92/cgroup.cpu" [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] <... mkdir resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5077] unlink("./93/cgroup.cpu" [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5075] getdents64(3, [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5077] getdents64(3, [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5075] close(3 [pid 5078] close(3 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] <... close resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5077] close(3 [pid 5076] close(3 [pid 5075] rmdir("./92" [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] <... close resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6280 attached [pid 5077] rmdir("./93" [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] mkdir("./93", 0777./strace-static-x86_64: Process 6281 attached [pid 6280] set_robust_list(0x5555562845e0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 196 [pid 5077] <... rmdir resumed>) = 0 [pid 5075] <... mkdir resumed>) = 0 [pid 6281] set_robust_list(0x5555562845e0, 24 [pid 6280] <... set_robust_list resumed>) = 0 [pid 5077] mkdir("./94", 0777 [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 184 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6281] <... set_robust_list resumed>) = 0 [pid 6280] chdir("./97" [pid 5077] <... mkdir resumed>) = 0 [pid 5075] <... openat resumed>) = 3 [pid 6281] chdir("./91" [pid 6280] <... chdir resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6281] <... chdir resumed>) = 0 [pid 6280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5077] <... openat resumed>) = 3 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6280] <... prctl resumed>) = 0 [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5075] close(3 [pid 6281] <... prctl resumed>) = 0 [pid 6280] setpgid(0, 0 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] <... close resumed>) = 0 [pid 6281] setpgid(0, 0 [pid 6280] <... setpgid resumed>) = 0 [pid 5077] close(3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6282 attached [pid 6281] <... setpgid resumed>) = 0 [pid 6280] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5077] <... close resumed>) = 0 [pid 6282] set_robust_list(0x5555562845e0, 24 [pid 6281] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6280] <... symlink resumed>) = 0 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 188 ./strace-static-x86_64: Process 6283 attached [pid 6282] <... set_robust_list resumed>) = 0 [pid 6281] <... symlink resumed>) = 0 [pid 6280] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5079] <... umount2 resumed>) = 0 [pid 6283] set_robust_list(0x5555562845e0, 24 [pid 6282] chdir("./93" [pid 6281] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6280] <... symlink resumed>) = 0 [pid 5079] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 190 [pid 6283] <... set_robust_list resumed>) = 0 [pid 6282] <... chdir resumed>) = 0 [pid 6281] <... symlink resumed>) = 0 [pid 6280] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6283] chdir("./94" [pid 6282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6281] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6280] <... symlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6283] <... chdir resumed>) = 0 [pid 6282] <... prctl resumed>) = 0 [pid 6281] <... symlink resumed>) = 0 [pid 6280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] lstat("./98/file0", [pid 6283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6282] setpgid(0, 0 [pid 6281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6280] <... openat resumed>) = 3 [pid 6283] <... prctl resumed>) = 0 [pid 6282] <... setpgid resumed>) = 0 [pid 6280] write(3, "1000", 4 [pid 6283] setpgid(0, 0 [pid 6282] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6281] <... openat resumed>) = 3 [pid 6280] <... write resumed>) = 4 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6283] <... setpgid resumed>) = 0 [pid 6282] <... symlink resumed>) = 0 [pid 6281] write(3, "1000", 4 [pid 6280] close(3 [pid 6279] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5079] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6283] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6282] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6280] <... close resumed>) = 0 [pid 6283] <... symlink resumed>) = 0 [pid 6282] <... symlink resumed>) = 0 [pid 6281] <... write resumed>) = 4 [pid 6280] symlink("/dev/binderfs", "./binderfs" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6283] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6282] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6281] close(3 [pid 6280] <... symlink resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./98/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6283] <... symlink resumed>) = 0 [pid 6282] <... symlink resumed>) = 0 [pid 6280] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6280] <... futex resumed>) = 0 [pid 6283] <... symlink resumed>) = 0 [pid 6282] <... openat resumed>) = 3 [pid 6281] <... close resumed>) = 0 [pid 6280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] <... openat resumed>) = 4 [pid 6283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6282] write(3, "1000", 4 [pid 6281] symlink("/dev/binderfs", "./binderfs" [pid 6280] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5079] fstat(4, [pid 6283] <... openat resumed>) = 3 [pid 6282] <... write resumed>) = 4 [pid 6281] <... symlink resumed>) = 0 [pid 6280] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6283] write(3, "1000", 4 [pid 6282] close(3 [pid 6281] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... mprotect resumed>) = 0 [pid 5079] getdents64(4, [pid 6283] <... write resumed>) = 4 [pid 6282] <... close resumed>) = 0 [pid 6281] <... futex resumed>) = 0 [pid 6280] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6284 attached [pid 6283] close(3 [pid 6282] symlink("/dev/binderfs", "./binderfs" [pid 6281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] getdents64(4, [pid 6284] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6283] <... close resumed>) = 0 [pid 6282] <... symlink resumed>) = 0 [pid 6281] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6280] <... clone resumed>, parent_tid=[197], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 197 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6284] <... set_robust_list resumed>) = 0 [pid 6283] symlink("/dev/binderfs", "./binderfs" [pid 6282] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6280] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] close(4 [pid 6284] memfd_create("syzkaller", 0 [pid 6283] <... symlink resumed>) = 0 [pid 6282] <... futex resumed>) = 0 [pid 6281] <... mprotect resumed>) = 0 [pid 6280] <... futex resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 6284] <... memfd_create resumed>) = 3 [pid 6283] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6281] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6280] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] rmdir("./98/file0"./strace-static-x86_64: Process 6285 attached [pid 6284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6283] <... futex resumed>) = 0 [pid 6282] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6285] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6284] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6282] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] <... rmdir resumed>) = 0 [pid 6281] <... clone resumed>, parent_tid=[185], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 185 [pid 6285] <... set_robust_list resumed>) = 0 [pid 6283] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6282] <... mprotect resumed>) = 0 [pid 6285] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6283] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6282] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6281] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./98/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6286 attached [pid 6285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6283] <... mprotect resumed>) = 0 [pid 6281] <... futex resumed>) = 0 [pid 6286] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6285] memfd_create("syzkaller", 0 [pid 6283] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6282] <... clone resumed>, parent_tid=[189], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 189 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6287 attached [pid 6286] <... set_robust_list resumed>) = 0 [pid 6285] <... memfd_create resumed>) = 3 [pid 6282] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6287] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6283] <... clone resumed>, parent_tid=[191], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 191 [pid 6282] <... futex resumed>) = 0 [pid 6287] <... set_robust_list resumed>) = 0 [pid 6285] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6283] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6282] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] lstat("./98/cgroup.cpu", [pid 6287] memfd_create("syzkaller", 0 [pid 6286] memfd_create("syzkaller", 0 [pid 6285] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6284] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6283] <... futex resumed>) = 0 [pid 6279] <... write resumed>) = 2097152 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6287] <... memfd_create resumed>) = 3 [pid 6286] <... memfd_create resumed>) = 3 [pid 6283] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6279] munmap(0x7f7a51cd9000, 2097152 [pid 5079] unlink("./98/cgroup.cpu" [pid 6286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6287] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6286] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6279] <... munmap resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6279] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5079] getdents64(3, [pid 6279] <... openat resumed>) = 4 [pid 6279] ioctl(4, LOOP_SET_FD, 3 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5079] close(3) = 0 [pid 5079] rmdir("./98") = 0 [pid 5079] mkdir("./99", 0777) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6279] <... ioctl resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5079] close(3) = 0 [pid 6287] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6279] close(3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6284] <... write resumed>) = 2097152 [pid 6284] munmap(0x7f7a51cd9000, 2097152./strace-static-x86_64: Process 6288 attached [pid 6279] <... close resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 200 [pid 6288] set_robust_list(0x5555562845e0, 24 [pid 6279] mkdir("./file0", 0777 [pid 6288] <... set_robust_list resumed>) = 0 [pid 6286] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6279] <... mkdir resumed>) = 0 [pid 6288] chdir("./99" [pid 6279] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6288] <... chdir resumed>) = 0 [ 169.943519][ T6279] loop0: detected capacity change from 0 to 4096 [pid 6288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6284] <... munmap resumed>) = 0 [pid 6288] setpgid(0, 0) = 0 [pid 6284] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6288] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6284] <... openat resumed>) = 4 [pid 6284] ioctl(4, LOOP_SET_FD, 3 [pid 6288] <... symlink resumed>) = 0 [pid 6288] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6285] <... write resumed>) = 2097152 [pid 6288] <... symlink resumed>) = 0 [pid 6285] munmap(0x7f7a51cd9000, 2097152 [pid 6288] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6285] <... munmap resumed>) = 0 [pid 6285] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6288] write(3, "1000", 4) = 4 [pid 6285] ioctl(4, LOOP_SET_FD, 3 [pid 6288] close(3) = 0 [pid 6288] symlink("/dev/binderfs", "./binderfs" [pid 6284] <... ioctl resumed>) = 0 [pid 6284] close(3 [pid 6288] <... symlink resumed>) = 0 [pid 6284] <... close resumed>) = 0 [pid 6284] mkdir("./file0", 0777 [pid 6288] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6284] <... mkdir resumed>) = 0 [pid 6288] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6288] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6284] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6288] <... mprotect resumed>) = 0 [pid 6288] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6286] <... write resumed>) = 2097152 ./strace-static-x86_64: Process 6289 attached [pid 6289] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6288] <... clone resumed>, parent_tid=[201], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 201 [pid 6288] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6289] <... set_robust_list resumed>) = 0 [pid 6288] <... futex resumed>) = 0 [pid 6288] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6289] memfd_create("syzkaller", 0) = 3 [pid 6289] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6285] <... ioctl resumed>) = 0 [pid 6289] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6285] close(3) = 0 [pid 6285] mkdir("./file0", 0777) = 0 [pid 6285] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6287] <... write resumed>) = 2097152 [ 170.006854][ T6284] loop1: detected capacity change from 0 to 4096 [ 170.032490][ T6285] loop4: detected capacity change from 0 to 4096 [pid 6287] munmap(0x7f7a51cd9000, 2097152) = 0 [pid 6286] munmap(0x7f7a51cd9000, 2097152 [pid 6279] <... mount resumed>) = 0 [pid 6279] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6286] <... munmap resumed>) = 0 [pid 6279] <... openat resumed>) = 3 [pid 6279] chdir("./file0" [pid 6286] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6279] <... chdir resumed>) = 0 [pid 6279] ioctl(4, LOOP_CLR_FD [pid 6286] <... openat resumed>) = 4 [pid 6279] <... ioctl resumed>) = 0 [pid 6287] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6286] ioctl(4, LOOP_SET_FD, 3 [pid 6287] <... openat resumed>) = 4 [pid 6287] ioctl(4, LOOP_SET_FD, 3 [pid 6279] close(4) = 0 [pid 6279] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6278] <... futex resumed>) = 0 [pid 6279] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6278] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6278] <... futex resumed>) = 0 [pid 6279] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6278] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6287] <... ioctl resumed>) = 0 [pid 6287] close(3) = 0 [pid 6287] mkdir("./file0", 0777 [pid 6279] <... mkdirat resumed>) = 0 [pid 6279] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6278] <... futex resumed>) = 0 [pid 6279] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6278] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6278] <... futex resumed>) = 0 [pid 6278] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6279] <... symlinkat resumed>) = 0 [pid 6284] <... mount resumed>) = 0 [pid 6279] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6284] chdir("./file0") = 0 [pid 6284] ioctl(4, LOOP_CLR_FD) = 0 [pid 6284] close(4 [pid 6287] <... mkdir resumed>) = 0 [pid 6284] <... close resumed>) = 0 [pid 6284] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6279] <... futex resumed>) = 1 [pid 6278] <... futex resumed>) = 0 [pid 6287] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6284] <... futex resumed>) = 1 [pid 6280] <... futex resumed>) = 0 [pid 6278] close(3 [pid 6279] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6284] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6280] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... close resumed>) = 0 [pid 6280] <... futex resumed>) = 0 [pid 6278] close(4 [pid 6280] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... ioctl resumed>) = 0 [pid 6278] close(5 [pid 6286] close(3 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] close(6) = -1 EBADF (Bad file descriptor) [pid 6278] close(7) = -1 EBADF (Bad file descriptor) [pid 6286] <... close resumed>) = 0 [ 170.110764][ T6286] loop3: detected capacity change from 0 to 4096 [ 170.111246][ T6287] loop5: detected capacity change from 0 to 4096 [pid 6278] close(8 [pid 6286] mkdir("./file0", 0777 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] close(9 [pid 6289] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6286] <... mkdir resumed>) = 0 [pid 6285] <... mount resumed>) = 0 [pid 6284] <... mkdirat resumed>) = 0 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] close(10) = -1 EBADF (Bad file descriptor) [pid 6278] close(11) = -1 EBADF (Bad file descriptor) [pid 6285] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6284] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] close(12) = -1 EBADF (Bad file descriptor) [pid 6285] <... openat resumed>) = 3 [pid 6284] <... futex resumed>) = 1 [pid 6280] <... futex resumed>) = 0 [pid 6278] close(13 [pid 6285] chdir("./file0" [pid 6284] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6280] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6278] close(14) = -1 EBADF (Bad file descriptor) [pid 6278] close(15 [pid 6285] <... chdir resumed>) = 0 [pid 6280] <... futex resumed>) = 0 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] ioctl(4, LOOP_CLR_FD [pid 6280] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6278] close(16 [pid 6285] <... ioctl resumed>) = 0 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] close(4 [pid 6278] close(17 [pid 6285] <... close resumed>) = 0 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] close(18 [pid 6285] <... futex resumed>) = 1 [pid 6281] <... futex resumed>) = 0 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6281] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6278] close(19 [pid 6285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6281] <... futex resumed>) = 0 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6281] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6278] close(20 [pid 6285] <... mkdirat resumed>) = 0 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6284] <... symlinkat resumed>) = 0 [pid 6278] close(21 [pid 6285] <... futex resumed>) = 1 [pid 6284] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] <... futex resumed>) = 0 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6284] <... futex resumed>) = 1 [pid 6281] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... futex resumed>) = 0 [pid 6278] close(22 [pid 6285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6284] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6281] <... futex resumed>) = 0 [pid 6280] close(3 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6285] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6281] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] <... close resumed>) = 0 [pid 6278] close(23 [pid 6285] <... symlinkat resumed>) = 0 [pid 6280] close(4 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... mount resumed>) = 0 [pid 6285] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] close(24 [pid 6287] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6285] <... futex resumed>) = 1 [pid 6281] <... futex resumed>) = 0 [pid 6280] close(5 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... openat resumed>) = 3 [pid 6285] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6281] close(3 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] close(25 [pid 6287] chdir("./file0" [pid 6281] <... close resumed>) = 0 [pid 6280] close(6 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... chdir resumed>) = 0 [pid 6281] close(4 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] close(26 [pid 6287] ioctl(4, LOOP_CLR_FD [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(7 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... ioctl resumed>) = 0 [pid 6281] close(5 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] close(27 [pid 6287] close(4 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(8 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... close resumed>) = 0 [pid 6281] close(6 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] close(28 [pid 6287] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(9 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... futex resumed>) = 1 [pid 6283] <... futex resumed>) = 0 [pid 6281] close(7 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] close(29 [pid 6287] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6283] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(10 [pid 6278] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6283] <... futex resumed>) = 0 [pid 6281] close(8 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6278] exit_group(0 [pid 6287] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6283] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(11 [pid 6279] <... futex resumed>) = ? [pid 6278] <... exit_group resumed>) = ? [pid 6289] <... write resumed>) = 2097152 [pid 6287] <... mkdirat resumed>) = 0 [pid 6281] close(9 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] close(12 [pid 6287] <... futex resumed>) = 1 [pid 6283] <... futex resumed>) = 0 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6283] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6280] close(13 [pid 6287] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6283] <... futex resumed>) = 0 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6283] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6280] close(14 [pid 6287] <... symlinkat resumed>) = 0 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6279] +++ exited with 0 +++ [pid 6278] +++ exited with 0 +++ [pid 6287] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] close(10 [pid 6280] close(15 [pid 6287] <... futex resumed>) = 1 [pid 6283] <... futex resumed>) = 0 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6287] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6283] close(3 [pid 6281] close(11 [pid 6280] close(16 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6283] <... close resumed>) = 0 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] close(4 [pid 6281] close(12 [pid 6280] close(17 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] close(5 [pid 6281] close(13 [pid 6280] close(18 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] munmap(0x7f7a51cd9000, 2097152 [pid 6286] <... mount resumed>) = 0 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6283] close(6 [pid 6280] close(19 [pid 6286] <... openat resumed>) = 3 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] close(14 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] chdir("./file0" [pid 6283] close(7 [pid 6280] close(20 [pid 6289] <... munmap resumed>) = 0 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6286] <... chdir resumed>) = 0 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] ioctl(4, LOOP_CLR_FD [pid 6283] close(8 [pid 6280] close(21 [pid 6286] <... ioctl resumed>) = 0 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] close(4 [pid 6283] close(9 [pid 6280] close(22 [pid 6286] <... close resumed>) = 0 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] close(10 [pid 6280] close(23 [pid 6286] <... futex resumed>) = 1 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] <... futex resumed>) = 0 [pid 6281] close(15 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6286] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6283] close(11 [pid 6282] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(24 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6289] <... openat resumed>) = 4 [pid 6286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] <... futex resumed>) = 0 [pid 6281] close(16 [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6289] ioctl(4, LOOP_SET_FD, 3 [pid 6286] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6283] close(12 [pid 6282] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] close(25 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... openat resumed>) = 3 [pid 6283] close(13 [pid 6280] close(26 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] close(14 [pid 6280] close(27 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6283] close(15 [pid 6280] close(28 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... mkdirat resumed>) = 0 [pid 6283] close(16 [pid 6280] close(29 [pid 6286] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6286] <... futex resumed>) = 1 [pid 6283] close(17 [pid 6282] <... futex resumed>) = 0 [pid 6281] close(17 [pid 6280] exit_group(0 [pid 5074] fstat(3, [pid 6286] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6284] <... futex resumed>) = ? [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6280] <... exit_group resumed>) = ? [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6284] +++ exited with 0 +++ [pid 6283] close(18 [pid 6282] <... futex resumed>) = 0 [pid 6281] close(18 [pid 6280] +++ exited with 0 +++ [pid 5074] getdents64(3, [pid 6286] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6289] <... ioctl resumed>) = 0 [pid 6286] <... symlinkat resumed>) = 0 [pid 6283] close(19 [pid 6281] close(19 [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6289] close(3 [pid 6286] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6289] <... close resumed>) = 0 [pid 6286] <... futex resumed>) = 1 [pid 6283] close(20 [pid 6282] <... futex resumed>) = 0 [pid 6281] close(20 [pid 5078] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6286] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] close(3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6283] close(21 [pid 6282] <... close resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6289] mkdir("./file0", 0777 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] close(4 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6283] close(22 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] close(21 [pid 5078] fstat(3, [pid 6289] <... mkdir resumed>) = 0 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] close(5 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] lstat("./92/binderfs", [pid 6289] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6283] close(23 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] close(22 [pid 5078] getdents64(3, [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] close(6 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6283] close(24 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] close(23 [pid 5078] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./92/binderfs" [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] close(7 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6283] close(25 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./97/binderfs", [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] close(8 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6283] close(26 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./97/binderfs" [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] close(9 [pid 5078] <... unlink resumed>) = 0 [pid 6283] close(27 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] close(10 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6283] close(28 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./97/cgroup", [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] close(11 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6283] close(29 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./97/cgroup" [pid 6283] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] close(12 [pid 5078] <... unlink resumed>) = 0 [pid 6283] exit_group(0 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] close(24 [pid 5078] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6287] <... futex resumed>) = ? [pid 6283] <... exit_group resumed>) = ? [pid 6282] close(13 [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... unlink resumed>) = 0 [pid 6287] +++ exited with 0 +++ [pid 6283] +++ exited with 0 +++ [pid 6281] close(25 [pid 5074] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6281] close(26 [pid 5074] lstat("./92/cgroup", [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6281] close(27 [pid 5074] unlink("./92/cgroup" [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./97/cgroup.net", [pid 5074] <... unlink resumed>) = 0 [pid 6282] close(14 [pid 6281] close(28 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./97/cgroup.net" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 170.306955][ T6289] loop2: detected capacity change from 0 to 4096 [pid 6282] close(15 [pid 6281] close(29 [pid 5078] <... unlink resumed>) = 0 [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5074] lstat("./92/cgroup.net", [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] restart_syscall(<... resuming interrupted clone ...> [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6282] close(16 [pid 6281] exit_group(0 [pid 5077] <... restart_syscall resumed>) = 0 [pid 5074] unlink("./92/cgroup.net" [pid 6285] <... futex resumed>) = ? [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6281] <... exit_group resumed>) = ? [pid 5074] <... unlink resumed>) = 0 [pid 6285] +++ exited with 0 +++ [pid 6282] close(17 [pid 6281] +++ exited with 0 +++ [pid 5074] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=184, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6282] close(18 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6282] close(19) = -1 EBADF (Bad file descriptor) [pid 5077] <... openat resumed>) = 3 [pid 6282] close(20 [pid 5077] fstat(3, [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6282] close(21 [pid 5077] getdents64(3, [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6282] close(22 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6282] close(23 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./94/binderfs", [pid 6282] close(24 [pid 5076] <... openat resumed>) = 3 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] fstat(3, [pid 6282] close(25 [pid 5077] unlink("./94/binderfs" [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6282] close(26 [pid 5078] <... umount2 resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5076] getdents64(3, [pid 5074] <... umount2 resumed>) = 0 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6282] close(27 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./94/cgroup", [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6282] close(28 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./94/cgroup" [pid 5076] lstat("./91/binderfs", [pid 6282] close(29 [pid 6289] <... mount resumed>) = 0 [pid 6282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6289] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6282] exit_group(0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] unlink("./91/binderfs" [pid 5074] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6289] <... openat resumed>) = 3 [pid 6286] <... futex resumed>) = ? [pid 6282] <... exit_group resumed>) = ? [pid 5078] lstat("./97/file0", [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6289] chdir("./file0" [pid 6286] +++ exited with 0 +++ [pid 6282] +++ exited with 0 +++ [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] lstat("./94/cgroup.net", [pid 5076] umount2("./91/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./92/file0", [pid 5078] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] unlink("./94/cgroup.net" [pid 5076] lstat("./91/cgroup", [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5074] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6289] <... chdir resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./97/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... openat resumed>) = 4 [pid 5077] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] unlink("./91/cgroup" [pid 5075] <... restart_syscall resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./92/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] fstat(4, [pid 5076] <... unlink resumed>) = 0 [pid 5074] <... openat resumed>) = 4 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] umount2("./91/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] fstat(4, [pid 5078] getdents64(4, [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] lstat("./91/cgroup.net", [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(4, [pid 5078] getdents64(4, [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] unlink("./91/cgroup.net" [pid 5075] <... openat resumed>) = 3 [pid 5074] getdents64(4, [pid 5078] close(4 [pid 5076] <... unlink resumed>) = 0 [pid 5075] fstat(3, [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] <... close resumed>) = 0 [pid 5076] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] close(4 [pid 5078] rmdir("./97/file0" [pid 5075] getdents64(3, [pid 5074] <... close resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] rmdir("./92/file0" [pid 5078] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... rmdir resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] lstat("./97/cgroup.cpu", [pid 5075] lstat("./93/binderfs", [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] lstat("./92/cgroup.cpu", [pid 6289] ioctl(4, LOOP_CLR_FD [pid 5078] unlink("./97/cgroup.cpu" [pid 5075] unlink("./93/binderfs" [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] unlink("./92/cgroup.cpu" [pid 5078] getdents64(3, [pid 5075] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... unlink resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, [pid 5078] close(3 [pid 5075] lstat("./93/cgroup", [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5078] <... close resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] close(3 [pid 5078] rmdir("./97" [pid 5075] unlink("./93/cgroup" [pid 5074] <... close resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] rmdir("./92" [pid 6289] <... ioctl resumed>) = 0 [pid 5078] mkdir("./98", 0777 [pid 5075] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... rmdir resumed>) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] mkdir("./93", 0777 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5075] lstat("./93/cgroup.net", [pid 5074] <... mkdir resumed>) = 0 [pid 6289] close(4 [pid 5078] <... openat resumed>) = 3 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5075] unlink("./93/cgroup.net" [pid 5074] <... openat resumed>) = 3 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] <... unlink resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5078] close(3 [pid 5075] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6289] <... close resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5077] <... umount2 resumed>) = 0 [pid 5074] close(3 [pid 6289] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... close resumed>) = 0 ./strace-static-x86_64: Process 6290 attached [pid 6289] <... futex resumed>) = 1 [pid 6288] <... futex resumed>) = 0 [pid 5077] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6291 attached [pid 6290] set_robust_list(0x5555562845e0, 24 [pid 6289] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6288] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 198 [pid 6291] set_robust_list(0x5555562845e0, 24 [pid 6290] <... set_robust_list resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 188 [pid 6291] <... set_robust_list resumed>) = 0 [pid 6290] chdir("./98" [pid 6291] chdir("./93" [pid 6290] <... chdir resumed>) = 0 [pid 6291] <... chdir resumed>) = 0 [pid 6290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6290] <... prctl resumed>) = 0 [pid 6291] <... prctl resumed>) = 0 [pid 6290] setpgid(0, 0 [pid 6291] setpgid(0, 0 [pid 6290] <... setpgid resumed>) = 0 [pid 6291] <... setpgid resumed>) = 0 [pid 6290] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6291] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6290] <... symlink resumed>) = 0 [pid 6288] <... futex resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = 0 [pid 6291] <... symlink resumed>) = 0 [pid 6290] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6291] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6290] <... symlink resumed>) = 0 [pid 6288] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6291] <... symlink resumed>) = 0 [pid 6290] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6289] <... mkdirat resumed>) = 0 [pid 5077] lstat("./94/file0", [pid 6291] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6290] <... symlink resumed>) = 0 [pid 6289] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6291] <... symlink resumed>) = 0 [pid 6290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] lstat("./91/file0", [pid 6291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6290] <... openat resumed>) = 3 [pid 6289] <... futex resumed>) = 1 [pid 6288] <... futex resumed>) = 0 [pid 5077] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6291] <... openat resumed>) = 3 [pid 6290] write(3, "1000", 4 [pid 6289] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6288] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6291] write(3, "1000", 4 [pid 6290] <... write resumed>) = 4 [pid 6289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6288] <... futex resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./94/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = 0 [pid 6289] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6288] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... openat resumed>) = 4 [pid 5076] openat(AT_FDCWD, "./91/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6291] <... write resumed>) = 4 [pid 6290] close(3 [pid 5077] fstat(4, [pid 5076] <... openat resumed>) = 4 [pid 5075] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] fstat(4, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] getdents64(4, [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] lstat("./93/file0", [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] getdents64(4, [pid 5077] getdents64(4, [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6291] close(3 [pid 6290] <... close resumed>) = 0 [pid 6289] <... symlinkat resumed>) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6289] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] close(4 [pid 5076] getdents64(4, [pid 5075] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6289] <... futex resumed>) = 1 [pid 6288] <... futex resumed>) = 0 [pid 6289] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] <... close resumed>) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6288] close(3 [pid 5077] rmdir("./94/file0" [pid 5076] close(4 [pid 6288] <... close resumed>) = 0 [pid 5075] openat(AT_FDCWD, "./93/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6291] <... close resumed>) = 0 [pid 6290] symlink("/dev/binderfs", "./binderfs" [pid 6288] close(4 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5075] <... openat resumed>) = 4 [pid 6291] symlink("/dev/binderfs", "./binderfs" [pid 6290] <... symlink resumed>) = 0 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] rmdir("./91/file0" [pid 5075] fstat(4, [pid 6291] <... symlink resumed>) = 0 [pid 6290] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] close(5 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6291] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... futex resumed>) = 0 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./94/cgroup.cpu", [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6291] <... futex resumed>) = 0 [pid 6290] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6288] close(6 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] umount2("./91/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] getdents64(4, [pid 6291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6290] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./94/cgroup.cpu" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6291] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6290] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6288] close(7 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6291] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6290] <... mprotect resumed>) = 0 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 5076] lstat("./91/cgroup.cpu", [pid 5075] getdents64(4, [pid 6291] <... mprotect resumed>) = 0 [pid 6290] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6288] close(8 [pid 5077] getdents64(3, [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6292 attached [pid 6291] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] unlink("./91/cgroup.cpu" [pid 5075] close(4./strace-static-x86_64: Process 6293 attached [pid 6292] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6290] <... clone resumed>, parent_tid=[199], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 199 [pid 6288] close(9 [pid 6292] <... set_robust_list resumed>) = 0 [pid 6291] <... clone resumed>, parent_tid=[189], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 189 [pid 6290] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(3 [pid 6293] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6292] memfd_create("syzkaller", 0 [pid 6291] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... futex resumed>) = 0 [pid 6288] close(10 [pid 5077] <... close resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 6293] <... set_robust_list resumed>) = 0 [pid 6292] <... memfd_create resumed>) = 3 [pid 6291] <... futex resumed>) = 0 [pid 6290] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] rmdir("./94" [pid 5076] getdents64(3, [pid 5075] rmdir("./93/file0" [pid 6293] memfd_create("syzkaller", 0 [pid 6292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6291] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5075] <... rmdir resumed>) = 0 [pid 6292] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6288] close(11 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6293] <... memfd_create resumed>) = 3 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] mkdir("./95", 0777 [pid 6293] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5076] close(3 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6288] close(12 [pid 6293] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... mkdir resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5075] lstat("./93/cgroup.cpu", [pid 6288] close(13) = -1 EBADF (Bad file descriptor) [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5076] rmdir("./91" [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6288] close(14 [pid 5077] <... openat resumed>) = 3 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] unlink("./93/cgroup.cpu" [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] mkdir("./92", 0777 [pid 6288] close(15 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] <... unlink resumed>) = 0 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(3 [pid 5076] <... mkdir resumed>) = 0 [pid 5075] getdents64(3, [pid 6293] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6288] close(16 [pid 5077] <... close resumed>) = 0 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... openat resumed>) = 3 [pid 5075] close(3 [pid 6288] close(17./strace-static-x86_64: Process 6294 attached [pid 5075] <... close resumed>) = 0 [pid 6294] set_robust_list(0x5555562845e0, 24 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] ioctl(3, LOOP_CLR_FD [pid 6294] <... set_robust_list resumed>) = 0 [pid 6288] close(18 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 192 [pid 5075] rmdir("./93" [pid 6294] chdir("./95" [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6294] <... chdir resumed>) = 0 [pid 6288] close(19 [pid 5076] close(3 [pid 5075] <... rmdir resumed>) = 0 [pid 6294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = 0 [pid 5075] mkdir("./94", 0777 [pid 6294] setpgid(0, 0 [pid 6288] close(20 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6294] <... setpgid resumed>) = 0 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6295 attached [pid 6294] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6288] close(21 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6295] set_robust_list(0x5555562845e0, 24 [pid 6294] <... symlink resumed>) = 0 [pid 6292] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6295] <... set_robust_list resumed>) = 0 [pid 6294] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6295] chdir("./92" [pid 6294] <... symlink resumed>) = 0 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 186 [pid 5075] <... openat resumed>) = 3 [pid 6295] <... chdir resumed>) = 0 [pid 6294] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6288] close(22 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6294] <... symlink resumed>) = 0 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... prctl resumed>) = 0 [pid 6294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6288] close(23 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6295] setpgid(0, 0 [pid 6294] <... openat resumed>) = 3 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] close(3 [pid 6295] <... setpgid resumed>) = 0 [pid 6294] write(3, "1000", 4 [pid 6288] close(24 [pid 5075] <... close resumed>) = 0 [pid 6295] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6294] <... write resumed>) = 4 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6295] <... symlink resumed>) = 0 [pid 6294] close(3 [pid 6295] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6294] <... close resumed>) = 0 [pid 6295] <... symlink resumed>) = 0 [pid 6294] symlink("/dev/binderfs", "./binderfs" [pid 6295] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6294] <... symlink resumed>) = 0 [pid 6295] <... symlink resumed>) = 0 [pid 6294] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] close(25./strace-static-x86_64: Process 6296 attached [pid 6295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6294] <... futex resumed>) = 0 [pid 6295] <... openat resumed>) = 3 [pid 6294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6296] set_robust_list(0x5555562845e0, 24 [pid 6295] write(3, "1000", 4 [pid 6294] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 190 [pid 6296] <... set_robust_list resumed>) = 0 [pid 6295] <... write resumed>) = 4 [pid 6294] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6288] close(26 [pid 6296] chdir("./94" [pid 6295] close(3 [pid 6294] <... mprotect resumed>) = 0 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6296] <... chdir resumed>) = 0 [pid 6295] <... close resumed>) = 0 [pid 6294] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6288] close(27./strace-static-x86_64: Process 6297 attached [pid 6296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6295] symlink("/dev/binderfs", "./binderfs" [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6296] <... prctl resumed>) = 0 [pid 6295] <... symlink resumed>) = 0 [pid 6294] <... clone resumed>, parent_tid=[193], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 193 [pid 6288] close(28 [pid 6297] <... set_robust_list resumed>) = 0 [pid 6296] setpgid(0, 0 [pid 6295] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] memfd_create("syzkaller", 0 [pid 6296] <... setpgid resumed>) = 0 [pid 6295] <... futex resumed>) = 0 [pid 6294] <... futex resumed>) = 0 [pid 6288] close(29 [pid 6297] <... memfd_create resumed>) = 3 [pid 6296] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6294] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6296] <... symlink resumed>) = 0 [pid 6295] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6288] exit_group(0 [pid 6297] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6296] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6295] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6289] <... futex resumed>) = ? [pid 6288] <... exit_group resumed>) = ? [pid 6296] <... symlink resumed>) = 0 [pid 6295] <... mprotect resumed>) = 0 [pid 6296] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6295] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6292] <... write resumed>) = 2097152 [pid 6289] +++ exited with 0 +++ [pid 6288] +++ exited with 0 +++ ./strace-static-x86_64: Process 6298 attached [pid 6296] <... symlink resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6298] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6295] <... clone resumed>, parent_tid=[187], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 187 [pid 6298] <... set_robust_list resumed>) = 0 [pid 6295] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6298] memfd_create("syzkaller", 0 [pid 6295] <... futex resumed>) = 0 [pid 6298] <... memfd_create resumed>) = 3 [pid 6295] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 6296] <... openat resumed>) = 3 [pid 5079] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6296] write(3, "1000", 4 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6296] <... write resumed>) = 4 [pid 5079] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6296] close(3 [pid 5079] <... openat resumed>) = 3 [pid 6296] <... close resumed>) = 0 [pid 5079] fstat(3, [pid 6296] symlink("/dev/binderfs", "./binderfs" [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6296] <... symlink resumed>) = 0 [pid 6292] munmap(0x7f7a51cd9000, 2097152 [pid 5079] getdents64(3, [pid 6296] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] <... write resumed>) = 2097152 [pid 6292] <... munmap resumed>) = 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6296] <... futex resumed>) = 0 [pid 6293] munmap(0x7f7a51cd9000, 2097152 [pid 5079] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6296] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5079] lstat("./99/binderfs", [pid 6296] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6296] <... mprotect resumed>) = 0 [pid 5079] unlink("./99/binderfs" [pid 6296] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5079] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6299 attached [pid 5079] umount2("./99/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6299] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6296] <... clone resumed>, parent_tid=[191], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 191 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6299] <... set_robust_list resumed>) = 0 [pid 6296] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5079] lstat("./99/cgroup", [pid 6296] <... futex resumed>) = 0 [pid 6293] <... munmap resumed>) = 0 [pid 6292] <... openat resumed>) = 4 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6299] memfd_create("syzkaller", 0 [pid 6298] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6296] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6293] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6292] ioctl(4, LOOP_SET_FD, 3 [pid 5079] unlink("./99/cgroup" [pid 6299] <... memfd_create resumed>) = 3 [pid 6297] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6293] <... openat resumed>) = 4 [pid 5079] <... unlink resumed>) = 0 [pid 6299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6298] <... write resumed>) = 2097152 [pid 6293] ioctl(4, LOOP_SET_FD, 3 [pid 6292] <... ioctl resumed>) = 0 [pid 5079] umount2("./99/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6299] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6298] munmap(0x7f7a51cd9000, 2097152) = 0 [pid 6292] close(3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6293] <... ioctl resumed>) = 0 [pid 6293] close(3) = 0 [pid 6293] mkdir("./file0", 0777 [pid 6292] <... close resumed>) = 0 [pid 5079] lstat("./99/cgroup.net", [pid 6293] <... mkdir resumed>) = 0 [pid 6292] mkdir("./file0", 0777 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6293] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6292] <... mkdir resumed>) = 0 [pid 5079] unlink("./99/cgroup.net" [pid 6292] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5079] <... unlink resumed>) = 0 [pid 6298] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6298] ioctl(4, LOOP_SET_FD, 3 [ 170.819582][ T6292] loop1: detected capacity change from 0 to 4096 [ 170.835331][ T6293] loop0: detected capacity change from 0 to 4096 [pid 5079] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6297] <... write resumed>) = 2097152 [pid 6297] munmap(0x7f7a51cd9000, 2097152 [pid 6299] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6297] <... munmap resumed>) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 6297] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5079] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6297] <... openat resumed>) = 4 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6298] <... ioctl resumed>) = 0 [ 170.867223][ T6298] loop4: detected capacity change from 0 to 4096 [pid 6298] close(3) = 0 [pid 6298] mkdir("./file0", 0777) = 0 [pid 5079] lstat("./99/file0", [pid 6298] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6297] ioctl(4, LOOP_SET_FD, 3 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./99/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6292] <... mount resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 6297] <... ioctl resumed>) = 0 [pid 5079] fstat(4, [pid 6292] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6292] <... openat resumed>) = 3 [pid 5079] getdents64(4, [pid 6292] chdir("./file0" [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6297] close(3) = 0 [pid 6292] <... chdir resumed>) = 0 [pid 5079] getdents64(4, [pid 6292] ioctl(4, LOOP_CLR_FD [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6297] mkdir("./file0", 0777 [pid 6292] <... ioctl resumed>) = 0 [pid 5079] close(4 [pid 6293] <... mount resumed>) = 0 [pid 6292] close(4 [pid 5079] <... close resumed>) = 0 [pid 6293] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6292] <... close resumed>) = 0 [pid 6293] <... openat resumed>) = 3 [pid 6292] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6293] chdir("./file0" [pid 5079] rmdir("./99/file0" [pid 6293] <... chdir resumed>) = 0 [pid 6292] <... futex resumed>) = 1 [pid 6290] <... futex resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 6293] ioctl(4, LOOP_CLR_FD [pid 6292] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6290] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./99/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6297] <... mkdir resumed>) = 0 [pid 6293] <... ioctl resumed>) = 0 [pid 6292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6290] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6297] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6293] close(4 [pid 6292] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6290] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] lstat("./99/cgroup.cpu", [pid 6293] <... close resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6293] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] <... mkdirat resumed>) = 0 [pid 5079] unlink("./99/cgroup.cpu" [pid 6293] <... futex resumed>) = 1 [pid 6292] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] <... futex resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6293] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6292] <... futex resumed>) = 1 [pid 6291] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6290] <... futex resumed>) = 0 [pid 5079] getdents64(3, [pid 6293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6292] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6291] <... futex resumed>) = 0 [pid 6290] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6293] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6291] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6290] <... futex resumed>) = 0 [pid 5079] close(3 [pid 6293] <... mkdirat resumed>) = 0 [pid 6292] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6290] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... close resumed>) = 0 [pid 6293] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] rmdir("./99" [pid 6298] <... mount resumed>) = 0 [pid 6293] <... futex resumed>) = 1 [pid 6291] <... futex resumed>) = 0 [pid 6298] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6293] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6298] <... openat resumed>) = 3 [ 170.939646][ T6297] loop5: detected capacity change from 0 to 4096 [pid 6293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6291] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... rmdir resumed>) = 0 [pid 6298] chdir("./file0" [pid 6293] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6292] <... symlinkat resumed>) = 0 [pid 6291] <... futex resumed>) = 0 [pid 5079] mkdir("./100", 0777 [pid 6298] <... chdir resumed>) = 0 [pid 6293] <... symlinkat resumed>) = 0 [pid 6292] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6292] <... futex resumed>) = 1 [pid 6290] <... futex resumed>) = 0 [pid 5079] <... mkdir resumed>) = 0 [pid 6298] ioctl(4, LOOP_CLR_FD [pid 6293] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6292] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6290] close(3 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6298] <... ioctl resumed>) = 0 [pid 6293] <... futex resumed>) = 1 [pid 6291] <... futex resumed>) = 0 [pid 6290] <... close resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 6298] close(4 [pid 6293] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6291] close(3 [pid 6290] close(4 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6298] <... close resumed>) = 0 [pid 6291] <... close resumed>) = 0 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6298] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] close(4 [pid 6290] close(5 [pid 5079] close(3 [pid 6298] <... futex resumed>) = 1 [pid 6295] <... futex resumed>) = 0 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 6298] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] close(5 [pid 6290] close(6 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] <... futex resumed>) = 0 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6298] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000./strace-static-x86_64: Process 6300 attached [pid 6295] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] close(6 [pid 6290] close(7 [pid 6300] set_robust_list(0x5555562845e0, 24 [pid 6298] <... mkdirat resumed>) = 0 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 202 [pid 6300] <... set_robust_list resumed>) = 0 [pid 6298] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] close(7 [pid 6290] close(8 [pid 6298] <... futex resumed>) = 1 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... futex resumed>) = 0 [pid 6300] chdir("./100" [pid 6298] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6291] close(8 [pid 6295] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] <... chdir resumed>) = 0 [pid 6298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] <... futex resumed>) = 0 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] close(9 [pid 6300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6298] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6295] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6291] close(9 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... prctl resumed>) = 0 [pid 6298] <... symlinkat resumed>) = 0 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] close(10 [pid 6300] setpgid(0, 0 [pid 6298] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6291] close(10 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... setpgid resumed>) = 0 [pid 6298] <... futex resumed>) = 1 [pid 6295] <... futex resumed>) = 0 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] close(11 [pid 6300] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6298] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] close(3 [pid 6291] close(11 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... close resumed>) = 0 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] close(12 [pid 6291] close(12 [pid 6295] close(4 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... symlink resumed>) = 0 [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(13 [pid 6290] close(13 [pid 6295] close(5 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... symlink resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(14 [pid 6290] close(14 [pid 6300] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6295] close(6 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(15 [pid 6290] close(15 [pid 6300] <... symlink resumed>) = 0 [pid 6295] close(7 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(16 [pid 6290] close(16 [pid 6295] close(8 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... openat resumed>) = 3 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(17 [pid 6290] close(17 [pid 6300] write(3, "1000", 4 [pid 6295] close(9 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... write resumed>) = 4 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(18 [pid 6290] close(18 [pid 6300] close(3 [pid 6295] close(10 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... close resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(19 [pid 6290] close(19 [pid 6300] symlink("/dev/binderfs", "./binderfs" [pid 6295] close(11 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(20 [pid 6290] close(20 [pid 6300] <... symlink resumed>) = 0 [pid 6295] close(12 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(21 [pid 6290] close(21 [pid 6300] <... futex resumed>) = 0 [pid 6295] close(13 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(22 [pid 6290] close(22 [pid 6295] close(14 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(23 [pid 6290] close(23 [pid 6300] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6295] close(15 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] <... mprotect resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(24 [pid 6290] close(24 [pid 6295] close(16 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(25 [pid 6290] close(25 [pid 6295] close(17 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6301 attached [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(26 [pid 6290] close(26 [pid 6301] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6295] close(18 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... set_robust_list resumed>) = 0 [pid 6300] <... clone resumed>, parent_tid=[203], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 203 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(27 [pid 6290] close(27 [pid 6301] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6300] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] close(19 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6300] <... futex resumed>) = 0 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(28 [pid 6290] close(28 [pid 6301] memfd_create("syzkaller", 0 [pid 6300] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6295] close(20 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... memfd_create resumed>) = 3 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] close(29 [pid 6290] close(29 [pid 6301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6295] close(21 [pid 6291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6290] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6301] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6291] exit_group(0 [pid 6290] exit_group(0 [pid 6299] <... write resumed>) = 2097152 [pid 6297] <... mount resumed>) = 0 [pid 6295] close(22 [pid 6293] <... futex resumed>) = ? [pid 6292] <... futex resumed>) = ? [pid 6291] <... exit_group resumed>) = ? [pid 6290] <... exit_group resumed>) = ? [pid 6299] munmap(0x7f7a51cd9000, 2097152 [pid 6297] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6293] +++ exited with 0 +++ [pid 6292] +++ exited with 0 +++ [pid 6291] +++ exited with 0 +++ [pid 6290] +++ exited with 0 +++ [pid 6299] <... munmap resumed>) = 0 [pid 6297] <... openat resumed>) = 3 [pid 6295] close(23 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 6297] chdir("./file0" [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6299] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6297] <... chdir resumed>) = 0 [pid 6295] close(24 [pid 6299] <... openat resumed>) = 4 [pid 6297] ioctl(4, LOOP_CLR_FD [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6299] ioctl(4, LOOP_SET_FD, 3 [pid 6297] <... ioctl resumed>) = 0 [pid 6295] close(25 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6297] close(4 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6297] <... close resumed>) = 0 [pid 6295] close(26 [pid 5078] <... openat resumed>) = 3 [pid 5074] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6297] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] fstat(3, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6297] <... futex resumed>) = 1 [pid 6295] close(27 [pid 6294] <... futex resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6297] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] getdents64(3, [pid 5074] <... openat resumed>) = 3 [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] close(28 [pid 6294] <... futex resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] fstat(3, [pid 6297] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6297] <... mkdirat resumed>) = 0 [pid 6295] close(29 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, [pid 6297] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./98/binderfs", [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6297] <... futex resumed>) = 1 [pid 6295] exit_group(0 [pid 6294] <... futex resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6299] <... ioctl resumed>) = 0 [pid 6298] <... futex resumed>) = ? [pid 6297] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6295] <... exit_group resumed>) = ? [pid 6294] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] unlink("./98/binderfs" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6299] close(3 [pid 6298] +++ exited with 0 +++ [pid 6297] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6295] +++ exited with 0 +++ [pid 6294] <... futex resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5074] lstat("./93/binderfs", [pid 6299] <... close resumed>) = 0 [pid 6297] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6294] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] umount2("./98/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6299] mkdir("./file0", 0777 [pid 6297] <... symlinkat resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] unlink("./93/binderfs" [pid 6299] <... mkdir resumed>) = 0 [pid 6297] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] lstat("./98/cgroup", [pid 5074] <... unlink resumed>) = 0 [pid 6299] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6297] <... futex resumed>) = 1 [pid 6294] <... futex resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6297] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6294] close(3 [pid 5078] unlink("./98/cgroup" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6294] <... close resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5074] lstat("./93/cgroup", [pid 6294] close(4 [pid 5078] umount2("./98/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] unlink("./93/cgroup" [pid 6294] close(5 [pid 5078] lstat("./98/cgroup.net", [pid 5074] <... unlink resumed>) = 0 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6294] close(6 [pid 5078] unlink("./98/cgroup.net" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 171.109403][ T6299] loop3: detected capacity change from 0 to 4096 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5076] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] lstat("./93/cgroup.net", [pid 6294] close(7 [pid 5078] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... openat resumed>) = 3 [pid 5074] unlink("./93/cgroup.net" [pid 6294] close(8 [pid 5076] fstat(3, [pid 5074] <... unlink resumed>) = 0 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6294] close(9 [pid 5076] getdents64(3, [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] close(10 [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] close(11 [pid 5076] umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6294] close(12 [pid 5076] lstat("./92/binderfs", [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] close(13 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6301] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] unlink("./92/binderfs" [pid 6294] close(14) = -1 EBADF (Bad file descriptor) [pid 6294] close(15) = -1 EBADF (Bad file descriptor) [pid 6294] close(16) = -1 EBADF (Bad file descriptor) [pid 6294] close(17) = -1 EBADF (Bad file descriptor) [pid 6294] close(18) = -1 EBADF (Bad file descriptor) [pid 6294] close(19 [pid 5076] <... unlink resumed>) = 0 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./92/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6294] close(20 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6294] close(21 [pid 5076] lstat("./92/cgroup", [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6294] close(22) = -1 EBADF (Bad file descriptor) [pid 5076] unlink("./92/cgroup" [pid 6294] close(23) = -1 EBADF (Bad file descriptor) [pid 5076] <... unlink resumed>) = 0 [pid 6294] close(24 [pid 5076] umount2("./92/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = 0 [pid 6299] <... mount resumed>) = 0 [pid 6294] close(25 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6299] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = 0 [pid 5076] lstat("./92/cgroup.net", [pid 5074] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6299] <... openat resumed>) = 3 [pid 6294] close(26 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6299] chdir("./file0" [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] unlink("./92/cgroup.net" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6299] <... chdir resumed>) = 0 [pid 6294] close(27 [pid 6299] ioctl(4, LOOP_CLR_FD [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... unlink resumed>) = 0 [pid 5078] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./93/file0", [pid 6299] <... ioctl resumed>) = 0 [pid 6294] close(28 [pid 6299] close(4 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6299] <... close resumed>) = 0 [pid 6294] close(29 [pid 6299] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./98/file0", [pid 6299] <... futex resumed>) = 1 [pid 6296] <... futex resumed>) = 0 [pid 6294] exit_group(0 [pid 6299] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6297] <... futex resumed>) = ? [pid 6296] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6294] <... exit_group resumed>) = ? [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6297] +++ exited with 0 +++ [pid 6296] <... futex resumed>) = 0 [pid 6294] +++ exited with 0 +++ [pid 5078] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6299] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6296] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./98/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... openat resumed>) = 4 [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5078] fstat(4, [pid 5077] restart_syscall(<... resuming interrupted clone ...> [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6299] <... mkdirat resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... restart_syscall resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./93/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6299] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] getdents64(4, [pid 5074] <... openat resumed>) = 4 [pid 6299] <... futex resumed>) = 1 [pid 6296] <... futex resumed>) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6299] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] getdents64(4, [pid 5074] fstat(4, [pid 6299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6296] <... futex resumed>) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6299] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6296] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] close(4 [pid 5077] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... close resumed>) = 0 [pid 6299] <... symlinkat resumed>) = 0 [pid 5078] rmdir("./98/file0" [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(4, [pid 6299] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... rmdir resumed>) = 0 [pid 6299] <... futex resumed>) = 1 [pid 6296] <... futex resumed>) = 0 [pid 5078] umount2("./98/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6299] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6296] close(3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6296] <... close resumed>) = 0 [pid 5078] lstat("./98/cgroup.cpu", [pid 5077] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6296] close(4 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] <... openat resumed>) = 3 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./98/cgroup.cpu" [pid 5077] fstat(3, [pid 5074] getdents64(4, [pid 6301] <... write resumed>) = 2097152 [pid 6296] close(5 [pid 5078] <... unlink resumed>) = 0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(3, [pid 5077] getdents64(3, [pid 5074] close(4 [pid 6301] munmap(0x7f7a51cd9000, 2097152 [pid 6296] close(6 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(3 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... close resumed>) = 0 [pid 6296] close(7 [pid 5078] <... close resumed>) = 0 [pid 5077] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] rmdir("./93/file0" [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] rmdir("./98" [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6296] close(8 [pid 5078] <... rmdir resumed>) = 0 [pid 5077] lstat("./95/binderfs", [pid 5074] <... rmdir resumed>) = 0 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] mkdir("./99", 0777 [pid 6296] close(9 [pid 5078] <... mkdir resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6301] <... munmap resumed>) = 0 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5077] unlink("./95/binderfs" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6296] close(10 [pid 5078] <... openat resumed>) = 3 [pid 5076] <... umount2 resumed>) = 0 [pid 6301] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5077] <... unlink resumed>) = 0 [pid 5074] lstat("./93/cgroup.cpu", [pid 6301] <... openat resumed>) = 4 [pid 6296] close(11 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5077] umount2("./95/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6301] ioctl(4, LOOP_SET_FD, 3 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(3 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6296] close(12 [pid 5078] <... close resumed>) = 0 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6302 attached [pid 6296] close(13 [pid 6302] set_robust_list(0x5555562845e0, 24 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 200 [pid 6302] <... set_robust_list resumed>) = 0 [pid 6296] close(14 [pid 5076] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6302] chdir("./99" [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... chdir resumed>) = 0 [pid 6296] close(15 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... prctl resumed>) = 0 [pid 6296] close(16 [pid 5076] lstat("./92/file0", [pid 6302] setpgid(0, 0 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... setpgid resumed>) = 0 [pid 6296] close(17 [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6302] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] unlink("./93/cgroup.cpu" [pid 6302] <... symlink resumed>) = 0 [pid 6296] close(18 [pid 5077] lstat("./95/cgroup", [pid 5076] umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6302] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... unlink resumed>) = 0 [pid 6302] <... symlink resumed>) = 0 [pid 6296] close(19 [pid 5077] unlink("./95/cgroup" [pid 5076] openat(AT_FDCWD, "./92/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] getdents64(3, [pid 6302] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... openat resumed>) = 4 [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6302] <... symlink resumed>) = 0 [pid 6296] close(20 [pid 5077] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] fstat(4, [pid 5074] close(3 [pid 6302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6301] <... ioctl resumed>) = 0 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... close resumed>) = 0 [pid 6302] <... openat resumed>) = 3 [pid 6301] close(3 [pid 6296] close(21 [pid 5077] lstat("./95/cgroup.net", [pid 5076] getdents64(4, [pid 5074] rmdir("./93" [pid 6302] write(3, "1000", 4 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6302] <... write resumed>) = 4 [pid 6296] close(22 [pid 5076] getdents64(4, [pid 6302] close(3 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6302] <... close resumed>) = 0 [pid 6296] close(23 [pid 5076] close(4 [pid 6302] symlink("/dev/binderfs", "./binderfs" [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = 0 [pid 6302] <... symlink resumed>) = 0 [pid 6296] close(24 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] rmdir("./92/file0" [pid 6302] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] <... close resumed>) = 0 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./95/cgroup.net" [pid 5076] <... rmdir resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 6302] <... futex resumed>) = 0 [pid 6296] close(25 [pid 5076] umount2("./92/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6301] mkdir("./file0", 0777 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] mkdir("./94", 0777 [pid 6302] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6296] close(26 [pid 5077] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] lstat("./92/cgroup.cpu", [pid 6302] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6301] <... mkdir resumed>) = 0 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] <... mkdir resumed>) = 0 [pid 6302] <... mprotect resumed>) = 0 [pid 6296] close(27 [pid 5076] unlink("./92/cgroup.cpu" [pid 6302] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... unlink resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6301] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules,"./strace-static-x86_64: Process 6303 attached [pid 6296] close(28 [pid 5076] getdents64(3, [pid 5074] <... openat resumed>) = 3 [pid 6303] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6302] <... clone resumed>, parent_tid=[201], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 201 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6303] <... set_robust_list resumed>) = 0 [pid 6302] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6296] close(29 [pid 5076] close(3 [pid 6303] memfd_create("syzkaller", 0 [pid 6302] <... futex resumed>) = 0 [ 171.361345][ T6301] loop2: detected capacity change from 0 to 4096 [pid 6296] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6302] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6296] exit_group(0 [pid 5076] rmdir("./92" [pid 6303] <... memfd_create resumed>) = 3 [pid 6299] <... futex resumed>) = ? [pid 6296] <... exit_group resumed>) = ? [pid 5076] <... rmdir resumed>) = 0 [pid 5074] close(3 [pid 6303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6299] +++ exited with 0 +++ [pid 6296] +++ exited with 0 +++ [pid 5076] mkdir("./93", 0777 [pid 5074] <... close resumed>) = 0 [pid 5076] <... mkdir resumed>) = 0 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5076] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5076] close(3) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6304 attached [pid 6304] set_robust_list(0x5555562845e0, 24 [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 188 [pid 6304] <... set_robust_list resumed>) = 0 [pid 6304] chdir("./93") = 0 [pid 6303] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6304] setpgid(0, 0) = 0 [pid 6304] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6304] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6304] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] <... umount2 resumed>) = 0 [pid 6304] <... openat resumed>) = 3 [pid 6304] write(3, "1000", 4 [pid 5077] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6304] <... write resumed>) = 4 [pid 6304] close(3 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6305 attached [pid 6304] <... close resumed>) = 0 [pid 5077] lstat("./95/file0", [pid 6305] set_robust_list(0x5555562845e0, 24 [pid 6304] symlink("/dev/binderfs", "./binderfs" [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6305] <... set_robust_list resumed>) = 0 [pid 6304] <... symlink resumed>) = 0 [pid 5077] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6305] chdir("./94" [pid 6304] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6305] <... chdir resumed>) = 0 [pid 6304] <... futex resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./95/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5077] <... openat resumed>) = 4 [pid 6305] <... prctl resumed>) = 0 [pid 6304] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5077] fstat(4, [pid 6305] setpgid(0, 0 [pid 6304] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 190 [pid 6305] <... setpgid resumed>) = 0 [pid 6304] <... mprotect resumed>) = 0 [pid 5077] getdents64(4, [pid 6305] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6304] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6306 attached [pid 6305] <... symlink resumed>) = 0 [pid 5077] getdents64(4, [pid 5075] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6306] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6305] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6304] <... clone resumed>, parent_tid=[189], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 189 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6306] <... set_robust_list resumed>) = 0 [pid 6305] <... symlink resumed>) = 0 [pid 6304] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] close(4 [pid 5075] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6306] memfd_create("syzkaller", 0 [pid 6305] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6304] <... futex resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 6306] <... memfd_create resumed>) = 3 [pid 6305] <... symlink resumed>) = 0 [pid 6304] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5077] rmdir("./95/file0" [pid 5075] <... openat resumed>) = 3 [pid 6306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] <... rmdir resumed>) = 0 [pid 5075] fstat(3, [pid 6306] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6305] <... openat resumed>) = 3 [pid 5077] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6305] write(3, "1000", 4 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6305] <... write resumed>) = 4 [pid 5077] lstat("./95/cgroup.cpu", [pid 5075] getdents64(3, [pid 6305] close(3 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6305] <... close resumed>) = 0 [pid 5077] unlink("./95/cgroup.cpu" [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6305] symlink("/dev/binderfs", "./binderfs" [pid 6301] <... mount resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5075] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6305] <... symlink resumed>) = 0 [pid 5077] getdents64(3, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6305] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] lstat("./94/binderfs", [pid 6305] <... futex resumed>) = 0 [pid 6301] <... openat resumed>) = 3 [pid 5077] close(3 [pid 6305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6301] chdir("./file0" [pid 5077] <... close resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6305] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5077] rmdir("./95" [pid 6305] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5077] <... rmdir resumed>) = 0 [pid 6305] <... mprotect resumed>) = 0 [pid 5077] mkdir("./96", 0777 [pid 6305] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5077] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6307 attached [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6307] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6305] <... clone resumed>, parent_tid=[191], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 191 [pid 6301] <... chdir resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 5075] unlink("./94/binderfs" [pid 6307] <... set_robust_list resumed>) = 0 [pid 6305] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6301] ioctl(4, LOOP_CLR_FD [pid 5077] ioctl(3, LOOP_CLR_FD [pid 6307] memfd_create("syzkaller", 0 [pid 6305] <... futex resumed>) = 0 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6307] <... memfd_create resumed>) = 3 [pid 6305] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5077] close(3 [pid 6307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5077] <... close resumed>) = 0 [pid 6307] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6308 attached [pid 6306] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6303] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6301] <... ioctl resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6308] set_robust_list(0x5555562845e0, 24 [pid 6301] close(4 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 194 [pid 5075] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6308] <... set_robust_list resumed>) = 0 [pid 6301] <... close resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6308] chdir("./96" [pid 6301] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] lstat("./94/cgroup", [pid 6308] <... chdir resumed>) = 0 [pid 6301] <... futex resumed>) = 1 [pid 6300] <... futex resumed>) = 0 [pid 6308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6301] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6300] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6300] <... futex resumed>) = 0 [pid 5075] unlink("./94/cgroup" [pid 6308] <... prctl resumed>) = 0 [pid 6301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6300] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6301] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6308] setpgid(0, 0 [pid 5075] <... unlink resumed>) = 0 [pid 6308] <... setpgid resumed>) = 0 [pid 5075] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6308] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6308] <... symlink resumed>) = 0 [pid 5075] lstat("./94/cgroup.net", [pid 6308] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6301] <... mkdirat resumed>) = 0 [pid 6308] <... symlink resumed>) = 0 [pid 6301] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] unlink("./94/cgroup.net" [pid 6308] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6301] <... futex resumed>) = 1 [pid 6300] <... futex resumed>) = 0 [pid 6308] <... symlink resumed>) = 0 [pid 6301] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6300] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... unlink resumed>) = 0 [pid 6308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6300] <... futex resumed>) = 0 [pid 5075] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6300] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6308] <... openat resumed>) = 3 [pid 6301] <... symlinkat resumed>) = 0 [pid 6308] write(3, "1000", 4 [pid 6301] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6308] <... write resumed>) = 4 [pid 6300] <... futex resumed>) = 0 [pid 6300] close(3 [pid 6308] close(3 [pid 6301] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6300] <... close resumed>) = 0 [pid 6300] close(4) = -1 EBADF (Bad file descriptor) [pid 6308] <... close resumed>) = 0 [pid 6300] close(5) = -1 EBADF (Bad file descriptor) [pid 6308] symlink("/dev/binderfs", "./binderfs" [pid 6300] close(6) = -1 EBADF (Bad file descriptor) [pid 6300] close(7) = -1 EBADF (Bad file descriptor) [pid 6300] close(8) = -1 EBADF (Bad file descriptor) [pid 6300] close(9) = -1 EBADF (Bad file descriptor) [pid 6300] close(10) = -1 EBADF (Bad file descriptor) [pid 6308] <... symlink resumed>) = 0 [pid 6300] close(11 [pid 6308] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] close(12) = -1 EBADF (Bad file descriptor) [pid 6300] close(13 [pid 6303] <... write resumed>) = 2097152 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] <... futex resumed>) = 0 [pid 6307] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6300] close(14 [pid 6308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6303] munmap(0x7f7a51cd9000, 2097152 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6300] close(15 [pid 6308] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] close(16 [pid 6308] <... mprotect resumed>) = 0 [pid 6303] <... munmap resumed>) = 0 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6300] close(17./strace-static-x86_64: Process 6309 attached ) = -1 EBADF (Bad file descriptor) [pid 6309] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6308] <... clone resumed>, parent_tid=[195], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 195 [pid 6300] close(18 [pid 6309] <... set_robust_list resumed>) = 0 [pid 6308] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] memfd_create("syzkaller", 0 [pid 6308] <... futex resumed>) = 0 [pid 6300] close(19 [pid 6309] <... memfd_create resumed>) = 3 [pid 6308] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6303] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6300] close(20 [pid 6309] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6303] <... openat resumed>) = 4 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] ioctl(4, LOOP_SET_FD, 3 [pid 6300] close(21) = -1 EBADF (Bad file descriptor) [pid 6300] close(22) = -1 EBADF (Bad file descriptor) [pid 6300] close(23) = -1 EBADF (Bad file descriptor) [pid 6300] close(24) = -1 EBADF (Bad file descriptor) [pid 6300] close(25 [pid 6306] <... write resumed>) = 2097152 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] close(26) = -1 EBADF (Bad file descriptor) [pid 6300] close(27 [pid 6306] munmap(0x7f7a51cd9000, 2097152 [pid 6300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6300] close(28) = -1 EBADF (Bad file descriptor) [pid 6306] <... munmap resumed>) = 0 [pid 6300] close(29) = -1 EBADF (Bad file descriptor) [pid 6300] exit_group(0 [pid 6301] <... futex resumed>) = ? [pid 6300] <... exit_group resumed>) = ? [pid 6301] +++ exited with 0 +++ [pid 6300] +++ exited with 0 +++ [pid 5075] <... umount2 resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5075] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./94/file0", [pid 5079] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] getdents64(3, [pid 6309] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6306] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6306] <... openat resumed>) = 4 [pid 6303] <... ioctl resumed>) = 0 [pid 5079] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6306] ioctl(4, LOOP_SET_FD, 3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6306] <... ioctl resumed>) = 0 [pid 5079] lstat("./100/binderfs", [pid 5075] openat(AT_FDCWD, "./94/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6306] close(3 [pid 6303] close(3 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6306] <... close resumed>) = 0 [pid 6303] <... close resumed>) = 0 [pid 5079] unlink("./100/binderfs" [pid 5075] <... openat resumed>) = 4 [pid 6306] mkdir("./file0", 0777 [pid 6303] mkdir("./file0", 0777 [pid 5079] <... unlink resumed>) = 0 [pid 5075] fstat(4, [pid 6306] <... mkdir resumed>) = 0 [pid 5079] umount2("./100/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6303] <... mkdir resumed>) = 0 [pid 6306] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6303] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] lstat("./100/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] getdents64(4, [pid 5079] unlink("./100/cgroup" [pid 6307] <... write resumed>) = 2097152 [pid 5079] <... unlink resumed>) = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6307] munmap(0x7f7a51cd9000, 2097152 [pid 5079] umount2("./100/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] getdents64(4, [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5079] lstat("./100/cgroup.net", [pid 5075] close(4 [pid 6307] <... munmap resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6307] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5079] unlink("./100/cgroup.net" [pid 5075] <... close resumed>) = 0 [pid 6307] <... openat resumed>) = 4 [pid 5079] <... unlink resumed>) = 0 [pid 5079] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] rmdir("./94/file0") = 0 [ 171.666415][ T6303] loop1: detected capacity change from 0 to 4096 [ 171.702084][ T6306] loop4: detected capacity change from 0 to 4096 [pid 6307] ioctl(4, LOOP_SET_FD, 3 [pid 5075] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./94/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] unlink("./94/cgroup.cpu") = 0 [pid 5075] getdents64(3, [pid 6309] <... write resumed>) = 2097152 [pid 6307] <... ioctl resumed>) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 6309] munmap(0x7f7a51cd9000, 2097152 [pid 6307] close(3 [pid 5079] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] close(3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... close resumed>) = 0 [pid 6309] <... munmap resumed>) = 0 [pid 6307] <... close resumed>) = 0 [pid 6306] <... mount resumed>) = 0 [pid 5079] lstat("./100/file0", [pid 5075] rmdir("./94" [pid 6309] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6307] mkdir("./file0", 0777 [pid 6306] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6303] <... mount resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6309] <... openat resumed>) = 4 [pid 6307] <... mkdir resumed>) = 0 [pid 6306] <... openat resumed>) = 3 [pid 6303] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... rmdir resumed>) = 0 [pid 6309] ioctl(4, LOOP_SET_FD, 3 [pid 6307] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [ 171.747966][ T6307] loop0: detected capacity change from 0 to 4096 [pid 6306] chdir("./file0" [pid 6303] <... openat resumed>) = 3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] mkdir("./95", 0777 [pid 6306] <... chdir resumed>) = 0 [pid 6306] ioctl(4, LOOP_CLR_FD) = 0 [pid 6306] close(4) = 0 [pid 6303] chdir("./file0" [pid 5079] openat(AT_FDCWD, "./100/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... mkdir resumed>) = 0 [pid 6309] <... ioctl resumed>) = 0 [pid 6306] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... chdir resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6309] close(3 [pid 6306] <... futex resumed>) = 1 [pid 6304] <... futex resumed>) = 0 [pid 6309] <... close resumed>) = 0 [pid 6306] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6304] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] ioctl(4, LOOP_CLR_FD [pid 5079] fstat(4, [pid 5075] <... openat resumed>) = 3 [pid 6309] mkdir("./file0", 0777 [pid 6307] <... mount resumed>) = 0 [pid 6306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6304] <... futex resumed>) = 0 [pid 6303] <... ioctl resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6309] <... mkdir resumed>) = 0 [pid 6307] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6306] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6304] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] close(4 [pid 5079] getdents64(4, [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6309] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6307] <... openat resumed>) = 3 [ 171.808916][ T6309] loop5: detected capacity change from 0 to 4096 [pid 6306] <... mkdirat resumed>) = 0 [pid 6303] <... close resumed>) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] close(3 [pid 6307] chdir("./file0" [pid 6303] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] getdents64(4, [pid 5075] <... close resumed>) = 0 [pid 6307] <... chdir resumed>) = 0 [pid 6306] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] <... futex resumed>) = 1 [pid 6302] <... futex resumed>) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6310 attached [pid 6307] ioctl(4, LOOP_CLR_FD [pid 6306] <... futex resumed>) = 1 [pid 6304] <... futex resumed>) = 0 [pid 6303] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6302] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] close(4 [pid 6310] set_robust_list(0x5555562845e0, 24 [pid 6307] <... ioctl resumed>) = 0 [pid 6303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] <... close resumed>) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 192 [pid 6306] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6304] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6302] <... futex resumed>) = 0 [pid 6310] <... set_robust_list resumed>) = 0 [pid 6307] close(4 [pid 6304] <... futex resumed>) = 0 [pid 6303] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5079] rmdir("./100/file0" [pid 6302] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6310] chdir("./95" [pid 6307] <... close resumed>) = 0 [pid 6306] <... symlinkat resumed>) = 0 [pid 6304] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6303] <... mkdirat resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 6310] <... chdir resumed>) = 0 [pid 6307] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6306] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6303] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./100/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6307] <... futex resumed>) = 1 [pid 6306] <... futex resumed>) = 1 [pid 6305] <... futex resumed>) = 0 [pid 6304] <... futex resumed>) = 0 [pid 6303] <... futex resumed>) = 1 [pid 6302] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6310] <... prctl resumed>) = 0 [pid 6307] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6306] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6305] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] close(3 [pid 6303] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6302] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] lstat("./100/cgroup.cpu", [pid 6310] setpgid(0, 0 [pid 6307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6305] <... futex resumed>) = 0 [pid 6304] <... close resumed>) = 0 [pid 6303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6302] <... futex resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6310] <... setpgid resumed>) = 0 [pid 6307] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6305] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] close(4 [pid 6303] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6302] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] unlink("./100/cgroup.cpu" [pid 6310] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6307] <... mkdirat resumed>) = 0 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] <... symlinkat resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6310] <... symlink resumed>) = 0 [pid 6307] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] close(5 [pid 6303] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] getdents64(3, [pid 6310] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6307] <... futex resumed>) = 1 [pid 6305] <... futex resumed>) = 0 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] <... futex resumed>) = 1 [pid 6302] <... futex resumed>) = 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6310] <... symlink resumed>) = 0 [pid 6307] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6305] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] close(6 [pid 6303] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6302] close(3 [pid 5079] close(3 [pid 6310] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6305] <... futex resumed>) = 0 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 6310] <... symlink resumed>) = 0 [pid 6307] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6305] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6304] close(7 [pid 6302] close(4 [pid 5079] rmdir("./100" [pid 6310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6307] <... symlinkat resumed>) = 0 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... rmdir resumed>) = 0 [pid 6310] <... openat resumed>) = 3 [pid 6309] <... mount resumed>) = 0 [pid 6307] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6304] close(8 [pid 6302] close(5 [pid 5079] mkdir("./101", 0777 [pid 6310] write(3, "1000", 4 [pid 6309] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6307] <... futex resumed>) = 1 [pid 6305] <... futex resumed>) = 0 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... mkdir resumed>) = 0 [pid 6307] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6310] <... write resumed>) = 4 [pid 6309] <... openat resumed>) = 3 [pid 6305] close(3 [pid 6304] close(9 [pid 6302] close(6 [pid 5079] <... openat resumed>) = 3 [pid 6310] close(3 [pid 6309] chdir("./file0" [pid 6305] <... close resumed>) = 0 [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6310] <... close resumed>) = 0 [pid 6309] <... chdir resumed>) = 0 [pid 6305] close(4 [pid 6304] close(10 [pid 6302] close(7 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6310] symlink("/dev/binderfs", "./binderfs" [pid 6309] ioctl(4, LOOP_CLR_FD [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(3 [pid 6310] <... symlink resumed>) = 0 [pid 6305] close(5 [pid 6304] close(11 [pid 6302] close(8 [pid 5079] <... close resumed>) = 0 [pid 6309] <... ioctl resumed>) = 0 [pid 6310] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6309] close(4 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6311 attached [pid 6310] <... futex resumed>) = 0 [pid 6309] <... close resumed>) = 0 [pid 6305] close(6 [pid 6304] close(12 [pid 6302] close(9 [pid 6311] set_robust_list(0x5555562845e0, 24 [pid 6310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6309] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 204 [pid 6311] <... set_robust_list resumed>) = 0 [pid 6310] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6309] <... futex resumed>) = 1 [pid 6308] <... futex resumed>) = 0 [pid 6304] close(13 [pid 6302] close(10 [pid 6305] close(7 [pid 6311] chdir("./101" [pid 6310] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6309] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6308] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] <... chdir resumed>) = 0 [pid 6309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6308] <... futex resumed>) = 0 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6310] <... mprotect resumed>) = 0 [pid 6309] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6308] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6305] close(8 [pid 6304] close(14 [pid 6302] close(11 [pid 6311] <... prctl resumed>) = 0 [pid 6310] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] setpgid(0, 0 [pid 6305] close(9 [pid 6304] close(15 [pid 6302] close(12./strace-static-x86_64: Process 6312 attached [pid 6311] <... setpgid resumed>) = 0 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6311] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6310] <... clone resumed>, parent_tid=[193], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 193 [pid 6305] close(10 [pid 6304] close(16 [pid 6302] close(13 [pid 6312] <... set_robust_list resumed>) = 0 [pid 6311] <... symlink resumed>) = 0 [pid 6310] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6312] memfd_create("syzkaller", 0 [pid 6311] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6310] <... futex resumed>) = 0 [pid 6305] close(11 [pid 6304] close(17 [pid 6302] close(14 [pid 6311] <... symlink resumed>) = 0 [pid 6310] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6309] <... mkdirat resumed>) = 0 [pid 6312] <... memfd_create resumed>) = 3 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6309] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] close(12 [pid 6302] close(15 [pid 6304] close(18 [pid 6312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6311] <... openat resumed>) = 3 [pid 6311] write(3, "1000", 4 [pid 6309] <... futex resumed>) = 1 [pid 6308] <... futex resumed>) = 0 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6312] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6311] <... write resumed>) = 4 [pid 6309] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6308] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] close(13 [pid 6304] close(19 [pid 6302] close(16 [pid 6311] close(3) = 0 [pid 6311] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6308] <... futex resumed>) = 0 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6305] close(14 [pid 6304] close(20 [pid 6302] close(17 [pid 6311] <... futex resumed>) = 0 [pid 6309] <... symlinkat resumed>) = 0 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6309] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6305] close(15 [pid 6304] close(21 [pid 6302] close(18 [pid 6311] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6309] <... futex resumed>) = 1 [pid 6308] <... futex resumed>) = 0 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6309] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6308] close(3 [pid 6305] close(16 [pid 6304] close(22 [pid 6302] close(19 [pid 6311] <... mprotect resumed>) = 0 [pid 6308] <... close resumed>) = 0 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] clone(child_stack=0x7f7a5a0f93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6308] close(4 [pid 6305] close(17 [pid 6304] close(23 [pid 6302] close(20./strace-static-x86_64: Process 6313 attached [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6311] <... clone resumed>, parent_tid=[205], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 205 [pid 6308] close(5 [pid 6305] close(18 [pid 6304] close(24 [pid 6302] close(21 [pid 6313] <... set_robust_list resumed>) = 0 [pid 6311] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] memfd_create("syzkaller", 0 [pid 6311] <... futex resumed>) = 0 [pid 6308] close(6 [pid 6305] close(19 [pid 6304] close(25 [pid 6302] close(22 [pid 6313] <... memfd_create resumed>) = 3 [pid 6311] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6308] close(7 [pid 6305] close(20 [pid 6304] close(26 [pid 6302] close(23 [pid 6313] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] close(21 [pid 6304] close(27 [pid 6302] close(24 [pid 6308] close(8 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] close(22 [pid 6304] close(28 [pid 6302] close(25 [pid 6308] close(9 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] close(23 [pid 6304] close(29 [pid 6302] close(26 [pid 6308] close(10 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] close(24 [pid 6304] exit_group(0 [pid 6302] close(27 [pid 6308] close(11 [pid 6306] <... futex resumed>) = ? [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6304] <... exit_group resumed>) = ? [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6306] +++ exited with 0 +++ [pid 6305] close(25 [pid 6304] +++ exited with 0 +++ [pid 6302] close(28 [pid 6308] close(12 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] close(26 [pid 6302] close(29 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=188, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6308] close(13 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] close(27 [pid 6302] exit_group(0 [pid 5076] <... restart_syscall resumed>) = 0 [pid 6308] close(14 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6303] <... futex resumed>) = ? [pid 6302] <... exit_group resumed>) = ? [pid 6312] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] close(28 [pid 6303] +++ exited with 0 +++ [pid 6302] +++ exited with 0 +++ [pid 6308] close(15 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5076] umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] close(29 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6313] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 6308] close(16 [pid 6305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... restart_syscall resumed>) = 0 [pid 5076] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6305] exit_group(0 [pid 5076] <... openat resumed>) = 3 [pid 6308] close(17 [pid 6307] <... futex resumed>) = ? [pid 6305] <... exit_group resumed>) = ? [pid 5076] fstat(3, [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6307] +++ exited with 0 +++ [pid 6305] +++ exited with 0 +++ [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6308] close(18 [pid 5078] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] getdents64(3, [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6308] close(19 [pid 5078] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 3 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6308] close(20 [pid 5078] fstat(3, [pid 5076] lstat("./93/binderfs", [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6308] close(21 [pid 5078] getdents64(3, [pid 5076] unlink("./93/binderfs" [pid 5074] <... openat resumed>) = 3 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] <... unlink resumed>) = 0 [pid 5074] fstat(3, [pid 6308] close(22 [pid 5078] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./93/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, [pid 6308] close(23 [pid 5078] lstat("./99/binderfs", [pid 5076] lstat("./93/cgroup", [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6308] close(24 [pid 5078] unlink("./99/binderfs" [pid 5076] unlink("./93/cgroup" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5074] lstat("./94/binderfs", [pid 6308] close(25 [pid 5078] umount2("./99/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./93/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] unlink("./94/binderfs" [pid 6308] close(26 [pid 5078] lstat("./99/cgroup", [pid 5076] lstat("./93/cgroup.net", [pid 5074] <... unlink resumed>) = 0 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6308] close(27 [pid 5078] unlink("./99/cgroup" [pid 5076] unlink("./93/cgroup.net" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5074] lstat("./94/cgroup", [pid 6308] close(28 [pid 5078] umount2("./99/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] unlink("./94/cgroup" [pid 6308] close(29 [pid 5078] lstat("./99/cgroup.net", [pid 5074] <... unlink resumed>) = 0 [pid 6308] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6308] exit_group(0 [pid 5078] unlink("./99/cgroup.net" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6309] <... futex resumed>) = ? [pid 6308] <... exit_group resumed>) = ? [pid 5074] lstat("./94/cgroup.net", [pid 5078] <... unlink resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6309] +++ exited with 0 +++ [pid 6308] +++ exited with 0 +++ [pid 5078] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./94/cgroup.net" [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 5074] <... unlink resumed>) = 0 [pid 5074] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6312] <... write resumed>) = 2097152 [pid 5076] <... umount2 resumed>) = 0 [pid 6313] <... write resumed>) = 2097152 [pid 6312] munmap(0x7f7a51cd9000, 2097152 [pid 5078] <... umount2 resumed>) = 0 [pid 5077] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6312] <... munmap resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6313] munmap(0x7f7a51cd9000, 2097152 [pid 6312] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5077] <... openat resumed>) = 3 [pid 5077] fstat(3, [pid 6312] <... openat resumed>) = 4 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6312] ioctl(4, LOOP_SET_FD, 3 [pid 5077] getdents64(3, [pid 5078] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./99/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./99/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5078] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] close(4 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... close resumed>) = 0 [pid 5076] lstat("./93/file0", [pid 5078] rmdir("./99/file0") = 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./99/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./99/cgroup.cpu", [pid 5077] lstat("./96/binderfs", [pid 5076] openat(AT_FDCWD, "./93/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] <... openat resumed>) = 4 [pid 5078] unlink("./99/cgroup.cpu" [pid 5077] unlink("./96/binderfs" [pid 5076] fstat(4, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... unlink resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] lstat("./94/file0", [pid 5078] getdents64(3, [pid 5077] umount2("./96/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] getdents64(4, [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6313] <... munmap resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] close(3 [pid 5077] lstat("./96/cgroup", [pid 5076] getdents64(4, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6313] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5078] <... close resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] openat(AT_FDCWD, "./94/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6313] <... openat resumed>) = 4 [pid 5078] rmdir("./99" [pid 5077] unlink("./96/cgroup" [pid 5076] close(4 [pid 5074] <... openat resumed>) = 4 [pid 5078] <... rmdir resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5074] fstat(4, [pid 5077] <... unlink resumed>) = 0 [pid 5078] mkdir("./100", 0777 [pid 5077] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] rmdir("./93/file0" [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6313] ioctl(4, LOOP_SET_FD, 3 [pid 6312] <... ioctl resumed>) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... rmdir resumed>) = 0 [pid 5074] getdents64(4, [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5077] lstat("./96/cgroup.net", [pid 5076] umount2("./93/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] <... openat resumed>) = 3 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(4, [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5076] lstat("./93/cgroup.cpu", [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] close(4 [pid 5078] close(3 [pid 5076] unlin