./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] unlink("./93/cgroup.cpu" [pid 5074] <... close resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5074] rmdir("./94/file0" [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] getdents64(3, [pid 5074] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6314 attached [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6314] set_robust_list(0x5555562845e0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 202 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] close(3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6314] <... set_robust_list resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5074] lstat("./94/cgroup.cpu", [pid 6314] chdir("./100" [pid 5076] rmdir("./93" [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6314] <... chdir resumed>) = 0 [pid 5076] <... rmdir resumed>) = 0 [pid 5074] unlink("./94/cgroup.cpu" [pid 6314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] mkdir("./94", 0777 [pid 5074] <... unlink resumed>) = 0 [pid 6314] <... prctl resumed>) = 0 [pid 5076] <... mkdir resumed>) = 0 [pid 5074] getdents64(3, [pid 6314] setpgid(0, 0 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6314] <... setpgid resumed>) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5074] close(3 [pid 6314] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5074] <... close resumed>) = 0 [pid 6314] <... symlink resumed>) = 0 [pid 6313] <... ioctl resumed>) = 0 [pid 6312] close(3 [pid 5077] unlink("./96/cgroup.net" [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6314] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6313] close(3 [pid 6312] <... close resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5076] close(3 [pid 5074] rmdir("./94" [pid 6314] <... symlink resumed>) = 0 [pid 6313] <... close resumed>) = 0 [pid 6312] mkdir("./file0", 0777 [pid 5077] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6314] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6313] mkdir("./file0", 0777 [pid 6312] <... mkdir resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 6314] <... symlink resumed>) = 0 [pid 6313] <... mkdir resumed>) = 0 [pid 6312] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6313] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] mkdir("./95", 0777 [pid 6314] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6315 attached [pid 6314] write(3, "1000", 4 [pid 5074] <... mkdir resumed>) = 0 [pid 6314] <... write resumed>) = 4 [pid 6314] close(3 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6314] <... close resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 190 [pid 6315] set_robust_list(0x5555562845e0, 24 [pid 6314] symlink("/dev/binderfs", "./binderfs" [pid 5074] <... openat resumed>) = 3 [pid 6315] <... set_robust_list resumed>) = 0 [pid 6314] <... symlink resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6314] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 172.195548][ T6312] loop3: detected capacity change from 0 to 4096 [ 172.222305][ T6313] loop2: detected capacity change from 0 to 4096 [pid 6315] chdir("./94" [pid 6314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5077] <... umount2 resumed>) = 0 [pid 5077] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./96/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] openat(AT_FDCWD, "./96/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 [pid 5077] close(4) = 0 [pid 5077] rmdir("./96/file0" [pid 6315] <... chdir resumed>) = 0 [pid 5077] <... rmdir resumed>) = 0 [pid 5077] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6314] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] close(3 [pid 6314] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./96/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] unlink("./96/cgroup.cpu" [pid 5074] <... close resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6315] <... prctl resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5077] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] close(3) = 0 [pid 5077] rmdir("./96"./strace-static-x86_64: Process 6316 attached [pid 6315] setpgid(0, 0 [pid 6316] set_robust_list(0x5555562845e0, 24 [pid 6315] <... setpgid resumed>) = 0 [pid 6314] <... mprotect resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 192 [pid 6316] <... set_robust_list resumed>) = 0 [pid 6315] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6314] 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 6316] chdir("./95" [pid 6315] <... symlink resumed>) = 0 [pid 6316] <... chdir resumed>) = 0 [pid 6316] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6317 attached [pid 6315] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6317] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6314] <... clone resumed>, parent_tid=[203], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 203 [pid 6316] <... prctl resumed>) = 0 [pid 6316] setpgid(0, 0 [pid 6315] <... symlink resumed>) = 0 [pid 6317] <... set_robust_list resumed>) = 0 [pid 6314] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... setpgid resumed>) = 0 [pid 6316] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6314] <... futex resumed>) = 0 [pid 6314] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6316] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6316] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6317] memfd_create("syzkaller", 0 [pid 6315] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6317] <... memfd_create resumed>) = 3 [pid 6317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6316] <... openat resumed>) = 3 [pid 6315] <... symlink resumed>) = 0 [pid 5077] <... rmdir resumed>) = 0 [pid 6316] write(3, "1000", 4 [pid 6315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6317] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6316] <... write resumed>) = 4 [pid 5077] mkdir("./97", 0777 [pid 6316] close(3) = 0 [pid 6315] <... openat resumed>) = 3 [pid 5077] <... mkdir resumed>) = 0 [pid 6316] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6315] write(3, "1000", 4 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6316] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6315] <... write resumed>) = 4 [pid 5077] <... openat resumed>) = 3 [pid 6316] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6315] close(3 [pid 5077] ioctl(3, LOOP_CLR_FD [pid 6316] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6315] <... close resumed>) = 0 [pid 6316] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6315] symlink("/dev/binderfs", "./binderfs" [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6316] <... mprotect resumed>) = 0 [pid 5077] close(3 [pid 6316] 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 6315] <... symlink resumed>) = 0 [pid 5077] <... close resumed>) = 0 ./strace-static-x86_64: Process 6318 attached [pid 6315] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6319 attached [pid 6318] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6316] <... clone resumed>, parent_tid=[193], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 193 [pid 6315] <... futex resumed>) = 0 [pid 6312] <... mount resumed>) = 0 [pid 6319] set_robust_list(0x5555562845e0, 24 [pid 6318] <... set_robust_list resumed>) = 0 [pid 6316] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 196 [pid 6319] <... set_robust_list resumed>) = 0 [pid 6318] memfd_create("syzkaller", 0 [pid 6316] <... futex resumed>) = 0 [pid 6315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6312] <... openat resumed>) = 3 [pid 6319] chdir("./97" [pid 6318] <... memfd_create resumed>) = 3 [pid 6316] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6312] chdir("./file0" [pid 6319] <... chdir resumed>) = 0 [pid 6318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6315] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6312] <... chdir resumed>) = 0 [pid 6319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6318] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6312] ioctl(4, LOOP_CLR_FD [pid 6319] <... prctl resumed>) = 0 [pid 6315] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6312] <... ioctl resumed>) = 0 [pid 6319] setpgid(0, 0 [pid 6312] close(4 [pid 6319] <... setpgid resumed>) = 0 [pid 6312] <... close resumed>) = 0 [pid 6319] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6315] <... mprotect resumed>) = 0 [pid 6312] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... symlink resumed>) = 0 [pid 6312] <... futex resumed>) = 1 [pid 6310] <... futex resumed>) = 0 [pid 6319] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6315] 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 6312] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6310] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... symlink resumed>) = 0 [pid 6313] <... mount resumed>) = 0 [pid 6312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6310] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6320 attached [pid 6319] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6313] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6312] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6310] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6319] <... symlink resumed>) = 0 [pid 6315] <... clone resumed>, parent_tid=[191], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 191 [pid 6313] <... openat resumed>) = 3 [pid 6319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6313] chdir("./file0" [pid 6319] <... openat resumed>) = 3 [pid 6313] <... chdir resumed>) = 0 [pid 6319] write(3, "1000", 4 [pid 6313] ioctl(4, LOOP_CLR_FD [pid 6319] <... write resumed>) = 4 [pid 6313] <... ioctl resumed>) = 0 [pid 6319] close(3 [pid 6313] close(4 [pid 6320] <... set_robust_list resumed>) = 0 [pid 6319] <... close resumed>) = 0 [pid 6315] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... close resumed>) = 0 [pid 6319] symlink("/dev/binderfs", "./binderfs" [pid 6313] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... symlink resumed>) = 0 [pid 6313] <... futex resumed>) = 1 [pid 6315] <... futex resumed>) = 0 [pid 6311] <... futex resumed>) = 0 [pid 6320] memfd_create("syzkaller", 0 [pid 6319] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] 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 6313] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6315] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6320] <... memfd_create resumed>) = 3 [pid 6319] <... futex resumed>) = 0 [pid 6313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6312] <... mkdirat resumed>) = 0 [pid 6311] <... futex resumed>) = 0 [pid 6319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6313] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6312] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6319] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6313] <... mkdirat resumed>) = 0 [pid 6312] <... futex resumed>) = 1 [pid 6310] <... futex resumed>) = 0 [pid 6319] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6313] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6310] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6319] <... mprotect resumed>) = 0 [pid 6313] <... futex resumed>) = 1 [pid 6312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6311] <... futex resumed>) = 0 [pid 6310] <... futex resumed>) = 0 [pid 6319] 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 6313] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6312] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6311] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6310] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6321 attached [pid 6313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6312] <... symlinkat resumed>) = 0 [pid 6311] <... futex resumed>) = 0 [pid 6321] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6319] <... clone resumed>, parent_tid=[197], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 197 [pid 6313] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6312] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6311] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6321] <... set_robust_list resumed>) = 0 [pid 6319] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6313] <... symlinkat resumed>) = 0 [pid 6312] <... futex resumed>) = 1 [pid 6310] <... futex resumed>) = 0 [pid 6321] memfd_create("syzkaller", 0 [pid 6319] <... futex resumed>) = 0 [pid 6313] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6312] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6310] close(3 [pid 6321] <... memfd_create resumed>) = 3 [pid 6319] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6313] <... futex resumed>) = 1 [pid 6311] <... futex resumed>) = 0 [pid 6310] <... close resumed>) = 0 [pid 6321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6313] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6311] close(3 [pid 6310] close(4 [pid 6321] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6311] <... close resumed>) = 0 [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(4 [pid 6310] close(5 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(5 [pid 6310] close(6 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] 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 6311] close(6 [pid 6310] close(7 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(7 [pid 6310] close(8 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(8 [pid 6310] close(9 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(9 [pid 6310] close(10 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(10 [pid 6310] close(11 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(11 [pid 6310] close(12 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(12 [pid 6310] close(13 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(13 [pid 6310] close(14 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(14 [pid 6310] close(15 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(15 [pid 6310] close(16 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(16 [pid 6310] close(17 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(17 [pid 6310] close(18 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(18 [pid 6310] close(19 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(19 [pid 6310] close(20 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(20 [pid 6310] close(21 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(21 [pid 6310] close(22 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(22 [pid 6310] close(23 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(23 [pid 6310] close(24 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(24 [pid 6310] close(25 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(25 [pid 6310] close(26 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(26 [pid 6310] close(27 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6321] 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 6311] close(27 [pid 6310] close(28 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6311] close(28 [pid 6310] close(29 [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6320] 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 6311] close(29 [pid 6310] exit_group(0 [pid 6312] <... futex resumed>) = ? [pid 6311] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6310] <... exit_group resumed>) = ? [pid 6312] +++ exited with 0 +++ [pid 6311] exit_group(0 [pid 6310] +++ exited with 0 +++ [pid 6313] <... futex resumed>) = ? [pid 6311] <... exit_group resumed>) = ? [pid 6313] +++ exited with 0 +++ [pid 6311] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 6317] <... write resumed>) = 2097152 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 6318] <... write resumed>) = 2097152 [pid 6318] munmap(0x7f7a51cd9000, 2097152) = 0 [pid 5079] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6317] munmap(0x7f7a51cd9000, 2097152 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... openat resumed>) = 3 [pid 5075] <... openat resumed>) = 3 [pid 5079] fstat(3, [pid 5075] fstat(3, [pid 5079] <... 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 6318] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5079] getdents64(3, [pid 5075] getdents64(3, [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6318] <... openat resumed>) = 4 [pid 5075] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6318] ioctl(4, LOOP_SET_FD, 3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./101/binderfs", [pid 6317] <... munmap resumed>) = 0 [pid 6317] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6317] ioctl(4, LOOP_SET_FD, 3 [pid 6321] <... write resumed>) = 2097152 [pid 6320] <... write resumed>) = 2097152 [pid 6318] <... ioctl resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] lstat("./95/binderfs", [pid 6317] <... ioctl resumed>) = 0 [pid 6317] close(3) = 0 [pid 6317] mkdir("./file0", 0777 [pid 5079] unlink("./101/binderfs" [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5075] unlink("./95/binderfs" [pid 6317] <... mkdir resumed>) = 0 [pid 6317] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5075] <... unlink resumed>) = 0 [pid 5079] umount2("./101/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./95/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6320] munmap(0x7f7a51cd9000, 2097152 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./101/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] lstat("./95/cgroup", [pid 5079] unlink("./101/cgroup" [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5075] unlink("./95/cgroup") = 0 [pid 5079] umount2("./101/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./101/cgroup.net", [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] lstat("./95/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] unlink("./95/cgroup.net") = 0 [pid 5079] unlink("./101/cgroup.net" [pid 5075] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... unlink resumed>) = 0 [pid 5079] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6321] munmap(0x7f7a51cd9000, 2097152 [pid 6318] close(3) = 0 [pid 6320] <... munmap resumed>) = 0 [pid 6318] mkdir("./file0", 0777) = 0 [pid 6318] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6321] <... munmap resumed>) = 0 [pid 6320] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 172.553522][ T6318] loop0: detected capacity change from 0 to 4096 [ 172.554273][ T6317] loop1: detected capacity change from 0 to 4096 [pid 6320] ioctl(4, LOOP_SET_FD, 3 [pid 6321] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6321] ioctl(4, LOOP_SET_FD, 3 [pid 6320] <... ioctl resumed>) = 0 [pid 6320] close(3) = 0 [pid 6320] mkdir("./file0", 0777) = 0 [pid 6320] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5075] <... umount2 resumed>) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5075] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./95/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 172.612303][ T6320] loop4: detected capacity change from 0 to 4096 [ 172.613090][ T6321] loop5: detected capacity change from 0 to 4096 [pid 5075] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] openat(AT_FDCWD, "./95/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6321] <... ioctl resumed>) = 0 [pid 6318] <... mount resumed>) = 0 [pid 6317] <... mount resumed>) = 0 [pid 5079] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] fstat(4, [pid 6321] close(3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6321] <... close resumed>) = 0 [pid 5079] lstat("./101/file0", [pid 6321] mkdir("./file0", 0777 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6321] <... mkdir resumed>) = 0 [pid 5079] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6321] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6317] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] openat(AT_FDCWD, "./101/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6318] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] <... openat resumed>) = 4 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6318] <... openat resumed>) = 3 [pid 6317] <... openat resumed>) = 3 [pid 5079] fstat(4, [pid 6318] chdir("./file0" [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] getdents64(4, [pid 6318] <... chdir resumed>) = 0 [pid 6317] chdir("./file0" [pid 5079] getdents64(4, [pid 6318] ioctl(4, LOOP_CLR_FD [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6318] <... ioctl resumed>) = 0 [pid 6317] <... chdir resumed>) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6318] close(4 [pid 6317] ioctl(4, LOOP_CLR_FD [pid 5079] getdents64(4, [pid 5075] getdents64(4, [pid 6318] <... close resumed>) = 0 [pid 6317] <... ioctl resumed>) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6318] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] close(4 [pid 5079] close(4 [pid 5075] close(4 [pid 6320] <... mount resumed>) = 0 [pid 6318] <... futex resumed>) = 1 [pid 6317] <... close resumed>) = 0 [pid 6316] <... futex resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 6320] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6318] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] rmdir("./101/file0" [pid 5075] <... close resumed>) = 0 [pid 6320] <... openat resumed>) = 3 [pid 6318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6316] <... futex resumed>) = 0 [pid 6321] <... mount resumed>) = 0 [pid 6320] chdir("./file0" [pid 6318] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6317] <... futex resumed>) = 1 [pid 6316] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] <... futex resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5075] rmdir("./95/file0" [pid 6321] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6320] <... chdir resumed>) = 0 [pid 6318] <... mkdirat resumed>) = 0 [pid 6317] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6314] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./101/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... rmdir resumed>) = 0 [pid 6321] <... openat resumed>) = 3 [pid 6320] ioctl(4, LOOP_CLR_FD [pid 6318] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6314] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6321] chdir("./file0" [pid 6320] <... ioctl resumed>) = 0 [pid 6318] <... futex resumed>) = 1 [pid 6317] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6316] <... futex resumed>) = 0 [pid 6314] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] lstat("./101/cgroup.cpu", [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6321] <... chdir resumed>) = 0 [pid 6320] close(4 [pid 6318] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] <... mkdirat resumed>) = 0 [pid 6316] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] lstat("./95/cgroup.cpu", [pid 6321] ioctl(4, LOOP_CLR_FD [pid 6320] <... close resumed>) = 0 [pid 6318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6317] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] unlink("./101/cgroup.cpu" [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6321] <... ioctl resumed>) = 0 [pid 6320] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6317] <... futex resumed>) = 1 [pid 6316] <... futex resumed>) = 0 [pid 6314] <... futex resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5075] unlink("./95/cgroup.cpu" [pid 6321] close(4 [pid 6320] <... futex resumed>) = 1 [pid 6317] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6315] <... futex resumed>) = 0 [pid 6314] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] getdents64(3, [pid 5075] <... unlink resumed>) = 0 [pid 6321] <... close resumed>) = 0 [pid 6320] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6318] <... symlinkat resumed>) = 0 [pid 6317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6315] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] <... futex resumed>) = 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] getdents64(3, [pid 6321] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6315] <... futex resumed>) = 0 [pid 6314] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] close(3 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6321] <... futex resumed>) = 1 [pid 6320] <... mkdirat resumed>) = 0 [pid 6319] <... futex resumed>) = 0 [pid 6318] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6317] <... symlinkat resumed>) = 0 [pid 6315] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... close resumed>) = 0 [pid 5075] close(3 [pid 6321] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6318] <... futex resumed>) = 1 [pid 6317] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... futex resumed>) = 0 [pid 6315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] rmdir("./101" [pid 5075] <... close resumed>) = 0 [pid 6321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6320] <... futex resumed>) = 0 [pid 6319] <... futex resumed>) = 0 [pid 6318] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6317] <... futex resumed>) = 1 [pid 6316] close(3 [pid 6315] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6314] <... futex resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5075] rmdir("./95" [pid 6321] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6320] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6319] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6317] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6316] <... close resumed>) = 0 [pid 6315] <... futex resumed>) = 0 [pid 6314] close(3 [pid 5079] mkdir("./102", 0777 [pid 5075] <... rmdir resumed>) = 0 [pid 6321] <... mkdirat resumed>) = 0 [pid 6316] close(4 [pid 6315] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6314] <... close resumed>) = 0 [pid 5079] <... mkdir resumed>) = 0 [pid 5075] mkdir("./96", 0777 [pid 6321] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6320] <... symlinkat resumed>) = 0 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] close(4 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5075] <... mkdir resumed>) = 0 [pid 6321] <... futex resumed>) = 1 [pid 6320] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... futex resumed>) = 0 [pid 6316] close(5 [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6321] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6320] <... futex resumed>) = 1 [pid 6319] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] <... futex resumed>) = 0 [pid 6314] close(5 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5075] <... openat resumed>) = 3 [pid 6321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6320] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] <... futex resumed>) = 0 [pid 6316] close(6 [pid 6315] close(3 [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6321] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6319] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] <... close resumed>) = 0 [pid 6314] close(6 [pid 5079] close(3 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6321] <... symlinkat resumed>) = 0 [pid 6316] close(7 [pid 6315] close(4 [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 5075] close(3 [pid 6321] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] close(7 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... close resumed>) = 0 ./strace-static-x86_64: Process 6322 attached [pid 6321] <... futex resumed>) = 1 [pid 6319] <... futex resumed>) = 0 [pid 6316] close(8 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6323 attached [pid 6322] set_robust_list(0x5555562845e0, 24 [pid 6321] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6319] close(3 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(5 [pid 6314] close(8 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 206 [pid 6323] set_robust_list(0x5555562845e0, 24 [pid 6322] <... set_robust_list resumed>) = 0 [pid 6319] <... close resumed>) = 0 [pid 6316] close(9 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 194 [pid 6323] <... set_robust_list resumed>) = 0 [pid 6322] chdir("./102" [pid 6319] close(4 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(6 [pid 6314] close(9 [pid 6323] chdir("./96" [pid 6322] <... chdir resumed>) = 0 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(10 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... chdir resumed>) = 0 [pid 6322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6319] close(5 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(7 [pid 6314] close(10 [pid 6323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6322] <... prctl resumed>) = 0 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(11 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... prctl resumed>) = 0 [pid 6322] setpgid(0, 0 [pid 6319] close(6 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(8 [pid 6314] close(11 [pid 6323] setpgid(0, 0 [pid 6322] <... setpgid resumed>) = 0 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(12 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... setpgid resumed>) = 0 [pid 6322] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6319] close(7 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(9 [pid 6314] close(12 [pid 6323] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6322] <... symlink resumed>) = 0 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(13 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... symlink resumed>) = 0 [pid 6322] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6319] close(8 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(10 [pid 6314] close(13 [pid 6323] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6322] <... symlink resumed>) = 0 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(14 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... symlink resumed>) = 0 [pid 6322] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6319] close(9 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(11 [pid 6314] close(14 [pid 6323] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6322] <... symlink resumed>) = 0 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(15 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... symlink resumed>) = 0 [pid 6322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6319] close(10 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(12 [pid 6314] close(15 [pid 6323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6322] <... openat resumed>) = 3 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(16 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... openat resumed>) = 3 [pid 6322] write(3, "1000", 4 [pid 6319] close(11 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(13 [pid 6314] close(16 [pid 6323] write(3, "1000", 4 [pid 6322] <... write resumed>) = 4 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(17 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... write resumed>) = 4 [pid 6322] close(3 [pid 6319] close(12 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(14 [pid 6314] close(17 [pid 6323] close(3 [pid 6322] <... close resumed>) = 0 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(18 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = 0 [pid 6322] symlink("/dev/binderfs", "./binderfs" [pid 6319] close(13 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(15 [pid 6314] close(18 [pid 6323] symlink("/dev/binderfs", "./binderfs" [pid 6322] <... symlink resumed>) = 0 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(19 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... symlink resumed>) = 0 [pid 6322] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] close(14 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(16 [pid 6314] close(19 [pid 6323] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] <... futex resumed>) = 0 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(20 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... futex resumed>) = 0 [pid 6322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6319] close(15 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(17 [pid 6314] close(20 [pid 6323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6322] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(21 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6322] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6319] close(16 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(18 [pid 6314] close(21 [pid 6323] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6322] <... mprotect resumed>) = 0 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(22 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... mprotect resumed>) = 0 [pid 6322] 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 6319] close(17 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(19 [pid 6314] close(22./strace-static-x86_64: Process 6324 attached [pid 6323] 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 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(23 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6325 attached [pid 6324] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6322] <... clone resumed>, parent_tid=[207], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 207 [pid 6319] close(18 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(20 [pid 6314] close(23 [pid 6325] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6324] <... set_robust_list resumed>) = 0 [pid 6323] <... clone resumed>, parent_tid=[195], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 195 [pid 6322] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(24 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] <... set_robust_list resumed>) = 0 [pid 6324] memfd_create("syzkaller", 0 [pid 6323] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6322] <... futex resumed>) = 0 [pid 6319] close(19 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(21 [pid 6314] close(24 [pid 6325] memfd_create("syzkaller", 0 [pid 6324] <... memfd_create resumed>) = 3 [pid 6323] <... futex resumed>) = 0 [pid 6322] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(25 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] <... memfd_create resumed>) = 3 [pid 6324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6323] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6319] close(20 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(22 [pid 6314] close(25 [pid 6325] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6324] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] close(26 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6319] close(21 [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(23 [pid 6314] close(26 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] close(22 [pid 6316] close(27 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] close(27 [pid 6324] 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 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(24 [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] close(23 [pid 6316] close(28 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(25 [pid 6314] close(28 [pid 6319] close(24 [pid 6316] close(29 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6316] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] close(26 [pid 6316] exit_group(0 [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] close(25 [pid 6318] <... futex resumed>) = ? [pid 6316] <... exit_group resumed>) = ? [pid 6315] close(27 [pid 6314] close(29 [pid 6325] 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 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6318] +++ exited with 0 +++ [pid 6316] +++ exited with 0 +++ [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6319] close(26 [pid 6315] close(28 [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] exit_group(0 [pid 6315] close(29 [pid 6319] close(27 [pid 6317] <... futex resumed>) = ? [pid 6315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6314] <... exit_group resumed>) = ? [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6317] +++ exited with 0 +++ [pid 6315] exit_group(0 [pid 6320] <... futex resumed>) = ? [pid 6315] <... exit_group resumed>) = ? [pid 6320] +++ exited with 0 +++ [pid 6319] close(28 [pid 6315] +++ exited with 0 +++ [pid 6314] +++ exited with 0 +++ [pid 5074] --- 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 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6319] close(29 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6319] exit_group(0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6321] <... futex resumed>) = ? [pid 6319] <... exit_group resumed>) = ? [pid 5076] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... openat resumed>) = 3 [pid 5076] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./94/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] unlink("./94/binderfs" [pid 6321] +++ exited with 0 +++ [pid 6319] +++ exited with 0 +++ [pid 5076] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5076] umount2("./94/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./94/cgroup", [pid 5078] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... openat resumed>) = 3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] fstat(3, [pid 5078] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] unlink("./94/cgroup" [pid 5078] <... openat resumed>) = 3 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... unlink resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] fstat(3, [pid 5077] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] umount2("./94/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... openat resumed>) = 3 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, [pid 5078] getdents64(3, [pid 5077] fstat(3, [pid 5076] lstat("./94/cgroup.net", [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] unlink("./94/cgroup.net" [pid 5074] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] getdents64(3, [pid 5076] <... unlink resumed>) = 0 [pid 5076] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] lstat("./100/binderfs", [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = 0 [pid 5076] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] lstat("./95/binderfs", [pid 5078] unlink("./100/binderfs" [pid 5077] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... unlink resumed>) = 0 [pid 5076] lstat("./94/file0", [pid 5078] umount2("./100/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] unlink("./95/binderfs" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./97/binderfs", [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 5078] lstat("./100/cgroup", [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] umount2("./95/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] unlink("./97/binderfs" [pid 5078] unlink("./100/cgroup" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] <... unlink resumed>) = 0 [pid 5076] openat(AT_FDCWD, "./94/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] lstat("./95/cgroup", [pid 5078] <... unlink resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./100/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./95/cgroup" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... unlink resumed>) = 0 [pid 5077] lstat("./97/cgroup", [pid 5078] lstat("./100/cgroup.net", [pid 5074] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] unlink("./97/cgroup" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] unlink("./100/cgroup.net" [pid 5076] <... openat resumed>) = 4 [pid 5077] <... unlink resumed>) = 0 [pid 5076] fstat(4, [pid 5074] lstat("./95/cgroup.net", [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6325] <... write resumed>) = 2097152 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] unlink("./95/cgroup.net" [pid 5077] lstat("./97/cgroup.net", [pid 5076] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] <... unlink resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] unlink("./97/cgroup.net" [pid 5076] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] close(4 [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5077] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] rmdir("./94/file0") = 0 [pid 5076] umount2("./94/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./94/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] unlink("./94/cgroup.cpu" [pid 6325] munmap(0x7f7a51cd9000, 2097152 [pid 5076] <... unlink resumed>) = 0 [pid 5076] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] close(3) = 0 [pid 5076] rmdir("./94") = 0 [pid 5076] mkdir("./95", 0777) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 6324] <... write resumed>) = 2097152 [pid 5076] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 6325] <... munmap resumed>) = 0 [pid 6324] munmap(0x7f7a51cd9000, 2097152 [pid 5076] close(3) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6325] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6325] ioctl(4, LOOP_SET_FD, 3 [pid 6324] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 6326 attached [pid 6326] set_robust_list(0x5555562845e0, 24 [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 192 [pid 6326] <... set_robust_list resumed>) = 0 [pid 6326] chdir("./95" [pid 6324] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6326] <... chdir resumed>) = 0 [pid 6324] <... openat resumed>) = 4 [pid 6326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] <... umount2 resumed>) = 0 [pid 5077] <... umount2 resumed>) = 0 [pid 5074] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6326] <... prctl resumed>) = 0 [pid 6326] setpgid(0, 0) = 0 [pid 6326] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6324] ioctl(4, LOOP_SET_FD, 3 [pid 6326] <... symlink resumed>) = 0 [pid 6326] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6326] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6326] write(3, "1000", 4) = 4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6326] close(3 [pid 5074] lstat("./95/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6326] <... close resumed>) = 0 [pid 6326] symlink("/dev/binderfs", "./binderfs" [pid 5074] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./95/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("./95/file0") = 0 [pid 6326] <... symlink resumed>) = 0 [pid 6326] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 5074] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./95/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6326] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5074] unlink("./95/cgroup.cpu") = 0 [pid 6326] 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] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6327 attached [pid 5078] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] close(3 [pid 6327] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6326] <... clone resumed>, parent_tid=[193], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 193 [pid 6325] <... ioctl resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 [pid 6327] <... set_robust_list resumed>) = 0 [pid 6326] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] memfd_create("syzkaller", 0 [pid 6326] <... futex resumed>) = 0 [pid 6325] close(3 [pid 5078] lstat("./100/file0", [pid 5074] rmdir("./95" [pid 6325] <... close resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... rmdir resumed>) = 0 [pid 6327] <... memfd_create resumed>) = 3 [pid 6326] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6325] mkdir("./file0", 0777 [pid 6327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6325] <... mkdir resumed>) = 0 [pid 5078] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] mkdir("./96", 0777 [pid 6327] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6325] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./97/file0", [pid 5074] <... mkdir resumed>) = 0 [pid 6324] <... ioctl resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./100/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6324] close(3 [pid 5078] <... openat resumed>) = 4 [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... openat resumed>) = 3 [pid 6324] <... close resumed>) = 0 [pid 5078] fstat(4, [pid 5077] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6324] mkdir("./file0", 0777 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] getdents64(4, [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] close(3 [pid 6324] <... mkdir resumed>) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] <... close resumed>) = 0 [pid 5078] getdents64(4, [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6328 attached [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6328] set_robust_list(0x5555562845e0, 24 [pid 5078] close(4 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 194 [pid 6328] <... set_robust_list resumed>) = 0 [pid 6324] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5078] <... close resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./97/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6328] chdir("./96" [pid 5078] rmdir("./100/file0" [pid 6328] <... chdir resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5077] <... openat resumed>) = 4 [pid 6328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] umount2("./100/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6328] <... prctl resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] fstat(4, [pid 6328] setpgid(0, 0 [pid 5078] lstat("./100/cgroup.cpu", [pid 6328] <... setpgid resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 173.075366][ T6325] loop3: detected capacity change from 0 to 4096 [ 173.097635][ T6324] loop2: detected capacity change from 0 to 4096 [pid 6328] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5078] unlink("./100/cgroup.cpu" [pid 5077] getdents64(4, [pid 6328] <... symlink resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6328] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5078] getdents64(3, [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6328] <... symlink resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] getdents64(4, [pid 6328] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5078] close(3 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6328] <... symlink resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5077] close(4 [pid 6328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] rmdir("./100" [pid 5077] <... close resumed>) = 0 [pid 6328] <... openat resumed>) = 3 [pid 5078] <... rmdir resumed>) = 0 [pid 6328] write(3, "1000", 4 [pid 5078] mkdir("./101", 0777 [pid 5077] rmdir("./97/file0" [pid 6328] <... write resumed>) = 4 [pid 5078] <... mkdir resumed>) = 0 [pid 6328] close(3 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5077] <... rmdir resumed>) = 0 [pid 6328] <... close resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5077] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6328] symlink("/dev/binderfs", "./binderfs" [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6328] <... symlink resumed>) = 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6328] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] close(3 [pid 5077] lstat("./97/cgroup.cpu", [pid 6328] <... futex resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 6328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [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 6329 attached [pid 6328] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6325] <... mount resumed>) = 0 [pid 5077] unlink("./97/cgroup.cpu" [pid 6329] set_robust_list(0x5555562845e0, 24 [pid 6328] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6325] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 204 [pid 6329] <... set_robust_list resumed>) = 0 [pid 6328] <... mprotect resumed>) = 0 [pid 6325] <... openat resumed>) = 3 [pid 5077] <... unlink resumed>) = 0 [pid 6329] chdir("./101" [pid 6328] 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 6325] chdir("./file0" [pid 5077] getdents64(3, ./strace-static-x86_64: Process 6330 attached [pid 6329] <... chdir resumed>) = 0 [pid 6325] <... chdir resumed>) = 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6330] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6328] <... clone resumed>, parent_tid=[195], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 195 [pid 6325] ioctl(4, LOOP_CLR_FD [pid 5077] close(3 [pid 6330] <... set_robust_list resumed>) = 0 [pid 6329] <... prctl resumed>) = 0 [pid 6328] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] <... ioctl resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 6330] memfd_create("syzkaller", 0 [pid 6329] setpgid(0, 0 [pid 6328] <... futex resumed>) = 0 [pid 6325] close(4 [pid 5077] rmdir("./97" [pid 6330] <... memfd_create resumed>) = 3 [pid 6329] <... setpgid resumed>) = 0 [pid 6328] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6325] <... close resumed>) = 0 [pid 6330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6329] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6325] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... rmdir resumed>) = 0 [pid 6330] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6329] <... symlink resumed>) = 0 [pid 6325] <... futex resumed>) = 1 [pid 6323] <... futex resumed>) = 0 [pid 5077] mkdir("./98", 0777 [pid 6329] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6327] 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 6325] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6323] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] <... symlink resumed>) = 0 [pid 6325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6323] <... futex resumed>) = 0 [pid 6329] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6325] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6323] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6329] <... symlink resumed>) = 0 [pid 5077] <... mkdir resumed>) = 0 [pid 6329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6329] <... openat resumed>) = 3 [pid 6329] write(3, "1000", 4 [pid 5077] <... openat resumed>) = 3 [pid 6329] <... write resumed>) = 4 [pid 5077] ioctl(3, LOOP_CLR_FD [pid 6329] close(3 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6329] <... close resumed>) = 0 [pid 5077] close(3 [pid 6329] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5077] <... close resumed>) = 0 [pid 6329] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6329] <... futex resumed>) = 0 [pid 6329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6329] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6331 attached ) = 0 [pid 6331] set_robust_list(0x5555562845e0, 24 [pid 6329] 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] <... clone resumed>, child_tidptr=0x5555562845d0) = 198 ./strace-static-x86_64: Process 6332 attached [pid 6331] <... set_robust_list resumed>) = 0 [pid 6332] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6331] chdir("./98" [pid 6329] <... clone resumed>, parent_tid=[205], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 205 [pid 6332] <... set_robust_list resumed>) = 0 [pid 6331] <... chdir resumed>) = 0 [pid 6329] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] memfd_create("syzkaller", 0 [pid 6331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6329] <... futex resumed>) = 0 [pid 6332] <... memfd_create resumed>) = 3 [pid 6331] <... prctl resumed>) = 0 [pid 6329] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6331] setpgid(0, 0 [pid 6332] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6331] <... setpgid resumed>) = 0 [pid 6331] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6325] <... mkdirat resumed>) = 0 [pid 6324] <... mount resumed>) = 0 [pid 6331] <... symlink resumed>) = 0 [pid 6325] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6331] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6325] <... futex resumed>) = 1 [pid 6323] <... futex resumed>) = 0 [pid 6331] <... symlink resumed>) = 0 [pid 6325] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6324] <... openat resumed>) = 3 [pid 6323] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6330] 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 6325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6324] chdir("./file0" [pid 6323] <... futex resumed>) = 0 [pid 6331] <... symlink resumed>) = 0 [pid 6325] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6324] <... chdir resumed>) = 0 [pid 6323] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6324] ioctl(4, LOOP_CLR_FD [pid 6331] <... openat resumed>) = 3 [pid 6331] write(3, "1000", 4 [pid 6324] <... ioctl resumed>) = 0 [pid 6331] <... write resumed>) = 4 [pid 6324] close(4 [pid 6331] close(3 [pid 6324] <... close resumed>) = 0 [pid 6331] <... close resumed>) = 0 [pid 6325] <... symlinkat resumed>) = 0 [pid 6324] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] symlink("/dev/binderfs", "./binderfs" [pid 6325] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] <... futex resumed>) = 1 [pid 6322] <... futex resumed>) = 0 [pid 6331] <... symlink resumed>) = 0 [pid 6325] <... futex resumed>) = 1 [pid 6323] <... futex resumed>) = 0 [pid 6331] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6325] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6323] close(3 [pid 6331] <... futex resumed>) = 0 [pid 6323] <... close resumed>) = 0 [pid 6331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6323] close(4 [pid 6331] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6323] close(5 [pid 6332] 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 6331] <... mprotect resumed>) = 0 [pid 6324] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6331] 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 6323] close(6) = -1 EBADF (Bad file descriptor) [pid 6322] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6333 attached [pid 6331] <... clone resumed>, parent_tid=[199], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 199 [pid 6324] <... mkdirat resumed>) = 0 [pid 6323] close(7 [pid 6322] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6331] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6324] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... futex resumed>) = 0 [pid 6324] <... futex resumed>) = 0 [pid 6323] close(8 [pid 6331] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6324] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(9) = -1 EBADF (Bad file descriptor) [pid 6323] close(10) = -1 EBADF (Bad file descriptor) [pid 6323] close(11) = -1 EBADF (Bad file descriptor) [pid 6323] close(12) = -1 EBADF (Bad file descriptor) [pid 6323] close(13) = -1 EBADF (Bad file descriptor) [pid 6323] close(14) = -1 EBADF (Bad file descriptor) [pid 6323] close(15 [pid 6333] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6333] <... set_robust_list resumed>) = 0 [pid 6323] close(16 [pid 6322] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(17) = -1 EBADF (Bad file descriptor) [pid 6323] close(18) = -1 EBADF (Bad file descriptor) [pid 6323] close(19) = -1 EBADF (Bad file descriptor) [pid 6323] close(20) = -1 EBADF (Bad file descriptor) [pid 6333] memfd_create("syzkaller", 0 [pid 6324] <... futex resumed>) = 0 [pid 6323] close(21 [pid 6322] <... futex resumed>) = 1 [pid 6333] <... memfd_create resumed>) = 3 [pid 6327] <... write resumed>) = 2097152 [pid 6324] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6324] <... symlinkat resumed>) = 0 [pid 6323] close(22 [pid 6324] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6333] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6327] munmap(0x7f7a51cd9000, 2097152 [pid 6324] <... futex resumed>) = 1 [pid 6323] close(23 [pid 6322] <... futex resumed>) = 0 [pid 6330] <... write resumed>) = 2097152 [pid 6327] <... munmap resumed>) = 0 [pid 6324] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(3 [pid 6323] close(24 [pid 6322] <... close resumed>) = 0 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(4 [pid 6323] close(25 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(26 [pid 6322] close(5 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(27 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(28 [pid 6322] close(6 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] close(29 [pid 6322] close(7 [pid 6323] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6323] exit_group(0 [pid 6322] close(8 [pid 6325] <... futex resumed>) = ? [pid 6323] <... exit_group resumed>) = ? [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6325] +++ exited with 0 +++ [pid 6323] +++ exited with 0 +++ [pid 6322] close(9) = -1 EBADF (Bad file descriptor) [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6322] close(10 [pid 6327] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6322] close(11 [pid 5075] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6322] close(12 [pid 5075] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... openat resumed>) = 3 [pid 6322] close(13 [pid 5075] fstat(3, [pid 6327] <... openat resumed>) = 4 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6327] ioctl(4, LOOP_SET_FD, 3 [pid 6322] close(14 [pid 5075] getdents64(3, [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6330] munmap(0x7f7a51cd9000, 2097152 [pid 5075] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./96/binderfs", [pid 6330] <... munmap resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] unlink("./96/binderfs") = 0 [pid 5075] umount2("./96/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./96/cgroup", [pid 6322] close(15 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] unlink("./96/cgroup" [pid 6322] close(16 [pid 5075] <... unlink resumed>) = 0 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6322] close(17 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] lstat("./96/cgroup.net", [pid 6330] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6322] close(18 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6330] <... openat resumed>) = 4 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] unlink("./96/cgroup.net" [pid 6330] ioctl(4, LOOP_SET_FD, 3 [pid 6322] close(19 [pid 5075] <... unlink resumed>) = 0 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6322] close(20) = -1 EBADF (Bad file descriptor) [pid 6322] close(21) = -1 EBADF (Bad file descriptor) [pid 6322] close(22) = -1 EBADF (Bad file descriptor) [pid 6322] close(23) = -1 EBADF (Bad file descriptor) [pid 6322] close(24) = -1 EBADF (Bad file descriptor) [pid 6333] 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 6332] <... write resumed>) = 2097152 [pid 6330] <... ioctl resumed>) = 0 [pid 6327] <... ioctl resumed>) = 0 [pid 6322] close(25 [ 173.386387][ T6327] loop4: detected capacity change from 0 to 4096 [ 173.400147][ T6330] loop0: detected capacity change from 0 to 4096 [pid 6332] munmap(0x7f7a51cd9000, 2097152 [pid 6330] close(3 [pid 6327] close(3 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6332] <... munmap resumed>) = 0 [pid 6330] <... close resumed>) = 0 [pid 6327] <... close resumed>) = 0 [pid 6322] close(26 [pid 5075] <... umount2 resumed>) = 0 [pid 6332] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6330] mkdir("./file0", 0777 [pid 6327] mkdir("./file0", 0777 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6332] <... openat resumed>) = 4 [pid 6330] <... mkdir resumed>) = 0 [pid 6327] <... mkdir resumed>) = 0 [pid 6322] close(27 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6332] ioctl(4, LOOP_SET_FD, 3 [pid 6330] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6327] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] lstat("./96/file0", [pid 6333] <... write resumed>) = 2097152 [pid 6333] munmap(0x7f7a51cd9000, 2097152 [pid 6322] close(28 [pid 6333] <... munmap resumed>) = 0 [pid 6322] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6322] close(29) = -1 EBADF (Bad file descriptor) [pid 5075] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6322] exit_group(0 [pid 6324] <... futex resumed>) = ? [pid 6322] <... exit_group resumed>) = ? [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6324] +++ exited with 0 +++ [pid 6333] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6333] ioctl(4, LOOP_SET_FD, 3 [pid 6322] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5075] openat(AT_FDCWD, "./96/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] fstat(4, [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5079] fstat(3, [pid 5075] getdents64(4, [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] getdents64(4, [pid 5079] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] close(4 [pid 5079] lstat("./102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] <... close resumed>) = 0 [pid 5079] unlink("./102/binderfs") = 0 [pid 5075] rmdir("./96/file0" [pid 5079] umount2("./102/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./102/cgroup", [pid 5075] <... rmdir resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] unlink("./102/cgroup") = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./102/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] lstat("./96/cgroup.cpu", [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./102/cgroup.net", [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] unlink("./96/cgroup.cpu" [pid 5079] unlink("./102/cgroup.net") = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5079] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 173.467485][ T6332] loop1: detected capacity change from 0 to 4096 [ 173.484705][ T6333] loop5: detected capacity change from 0 to 4096 [pid 5075] getdents64(3, [pid 6333] <... ioctl resumed>) = 0 [pid 6332] <... ioctl resumed>) = 0 [pid 6330] <... mount resumed>) = 0 [pid 6327] <... mount resumed>) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6333] close(3 [pid 6332] close(3 [pid 6330] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6327] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5075] close(3 [pid 6333] <... close resumed>) = 0 [pid 6332] <... close resumed>) = 0 [pid 6330] <... openat resumed>) = 3 [pid 6327] <... openat resumed>) = 3 [pid 5075] <... close resumed>) = 0 [pid 6333] mkdir("./file0", 0777 [pid 6332] mkdir("./file0", 0777 [pid 6330] chdir("./file0" [pid 6327] chdir("./file0" [pid 5075] rmdir("./96" [pid 6333] <... mkdir resumed>) = 0 [pid 6332] <... mkdir resumed>) = 0 [pid 6330] <... chdir resumed>) = 0 [pid 6327] <... chdir resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 6333] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6332] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6330] ioctl(4, LOOP_CLR_FD [pid 6327] ioctl(4, LOOP_CLR_FD [pid 5075] mkdir("./97", 0777 [pid 6330] <... ioctl resumed>) = 0 [pid 6327] <... ioctl resumed>) = 0 [pid 5075] <... mkdir resumed>) = 0 [pid 6330] close(4 [pid 6327] close(4 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6330] <... close resumed>) = 0 [pid 6327] <... close resumed>) = 0 [pid 5075] <... openat resumed>) = 3 [pid 6330] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6330] <... futex resumed>) = 1 [pid 6328] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = 1 [pid 6326] <... futex resumed>) = 0 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6330] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6328] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6326] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] close(3 [pid 6330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6328] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6326] <... futex resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 6330] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6328] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6327] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6326] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6334 attached [pid 6330] <... mkdirat resumed>) = 0 [pid 6327] <... mkdirat resumed>) = 0 [pid 6334] set_robust_list(0x5555562845e0, 24 [pid 6330] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 196 [pid 6334] <... set_robust_list resumed>) = 0 [pid 6330] <... futex resumed>) = 1 [pid 6328] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = 1 [pid 6326] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 6334] chdir("./97" [pid 6330] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6328] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6326] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6334] <... chdir resumed>) = 0 [pid 6330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6328] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6326] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6330] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6328] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6327] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6326] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] lstat("./102/file0", [pid 6334] <... prctl resumed>) = 0 [pid 6330] <... symlinkat resumed>) = 0 [pid 6327] <... symlinkat resumed>) = 0 [pid 6334] setpgid(0, 0 [pid 6330] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6327] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6334] <... setpgid resumed>) = 0 [pid 6332] <... mount resumed>) = 0 [pid 6330] <... futex resumed>) = 1 [pid 6328] <... futex resumed>) = 0 [pid 6327] <... futex resumed>) = 1 [pid 6326] <... futex resumed>) = 0 [pid 5079] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6334] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6332] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6330] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6328] close(3 [pid 6327] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6326] close(3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6334] <... symlink resumed>) = 0 [pid 6333] <... mount resumed>) = 0 [pid 6332] <... openat resumed>) = 3 [pid 6328] <... close resumed>) = 0 [pid 6326] <... close resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./102/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6334] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6333] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6332] chdir("./file0" [pid 6328] close(4 [pid 6326] close(4 [pid 5079] <... openat resumed>) = 4 [pid 6334] <... symlink resumed>) = 0 [pid 6333] <... openat resumed>) = 3 [pid 6332] <... chdir resumed>) = 0 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] fstat(4, [pid 6334] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6333] chdir("./file0" [pid 6332] ioctl(4, LOOP_CLR_FD [pid 6328] close(5 [pid 6326] close(5 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6334] <... symlink resumed>) = 0 [pid 6333] <... chdir resumed>) = 0 [pid 6332] <... ioctl resumed>) = 0 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(4, [pid 6334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6333] ioctl(4, LOOP_CLR_FD [pid 6332] close(4 [pid 6328] close(6 [pid 6326] close(6 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6334] <... openat resumed>) = 3 [pid 6333] <... ioctl resumed>) = 0 [pid 6332] <... close resumed>) = 0 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(4, [pid 6334] write(3, "1000", 4 [pid 6333] close(4 [pid 6332] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] close(7 [pid 6326] close(7 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6334] <... write resumed>) = 4 [pid 6333] <... close resumed>) = 0 [pid 6332] <... futex resumed>) = 1 [pid 6329] <... futex resumed>) = 0 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(4 [pid 6334] close(3 [pid 6333] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6329] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] close(8 [pid 6326] close(8 [pid 5079] <... close resumed>) = 0 [pid 6334] <... close resumed>) = 0 [pid 6333] <... futex resumed>) = 1 [pid 6332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] <... futex resumed>) = 0 [pid 6329] <... futex resumed>) = 0 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./102/file0" [pid 6334] symlink("/dev/binderfs", "./binderfs" [pid 6333] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6332] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6331] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6328] close(9 [pid 6333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] <... futex resumed>) = 0 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(9 [pid 5079] <... rmdir resumed>) = 0 [pid 6334] <... symlink resumed>) = 0 [pid 6333] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6332] <... mkdirat resumed>) = 0 [pid 6331] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6328] close(10 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./102/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6334] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] <... mkdirat resumed>) = 0 [pid 6332] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(10 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6334] <... futex resumed>) = 0 [pid 6333] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] <... futex resumed>) = 1 [pid 6329] <... futex resumed>) = 0 [pid 6328] close(11 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./102/cgroup.cpu", [pid 6334] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6333] <... futex resumed>) = 1 [pid 6332] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6331] <... futex resumed>) = 0 [pid 6329] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(11 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6334] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6333] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6331] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6329] <... futex resumed>) = 0 [pid 6328] close(12 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./102/cgroup.cpu" [pid 6334] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6332] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6331] <... futex resumed>) = 0 [pid 6329] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(12 [pid 5079] <... unlink resumed>) = 0 [pid 6334] <... mprotect resumed>) = 0 [pid 6333] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6332] <... symlinkat resumed>) = 0 [pid 6331] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6328] close(13 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(3, [pid 6334] 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 6333] <... symlinkat resumed>) = 0 [pid 6332] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(13 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6335 attached [pid 6333] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6332] <... futex resumed>) = 1 [pid 6329] <... futex resumed>) = 0 [pid 6328] close(14 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(3 [pid 6335] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6334] <... clone resumed>, parent_tid=[197], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 197 [pid 6333] <... futex resumed>) = 1 [pid 6332] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6331] <... futex resumed>) = 0 [pid 6329] close(3 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(14 [pid 5079] <... close resumed>) = 0 [pid 6335] <... set_robust_list resumed>) = 0 [pid 6334] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6333] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6331] close(3 [pid 6329] <... close resumed>) = 0 [pid 6328] close(15 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./102" [pid 6335] memfd_create("syzkaller", 0 [pid 6334] <... futex resumed>) = 0 [pid 6331] <... close resumed>) = 0 [pid 6329] close(4 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] close(4 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(16 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] close(5 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(15 [pid 6335] <... memfd_create resumed>) = 3 [pid 6334] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6331] close(5 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(17 [pid 5079] <... rmdir resumed>) = 0 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] close(6 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(16 [pid 5079] mkdir("./103", 0777 [pid 6335] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6331] close(6 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(18 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... mkdir resumed>) = 0 [pid 6335] 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 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] close(7 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(17 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6331] close(7 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(19 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] close(8 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(18 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6331] close(8 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(20 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] close(9 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(19 [pid 5079] close(3 [pid 6331] close(9 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(21 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] close(10 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] close(10 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(22 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] close(11 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] close(11 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(23 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] close(12 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] close(12 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(24 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] close(13 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] close(13 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(25 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] close(14 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(20 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6331] close(14 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(26 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] close(15 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6336 attached [pid 6331] close(15 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(27 [pid 6326] close(21 [pid 6336] set_robust_list(0x5555562845e0, 24 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] close(16 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 208 [pid 6336] <... set_robust_list resumed>) = 0 [pid 6331] close(16 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(28 [pid 6326] close(22 [pid 6336] chdir("./103" [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] close(17 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] <... chdir resumed>) = 0 [pid 6331] close(17 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] close(29 [pid 6326] close(23 [pid 6336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] close(18 [pid 6328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] <... prctl resumed>) = 0 [pid 6331] close(18 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] exit_group(0 [pid 6326] close(24 [pid 6336] setpgid(0, 0 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6330] <... futex resumed>) = ? [pid 6329] close(19 [pid 6328] <... exit_group resumed>) = ? [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] <... setpgid resumed>) = 0 [pid 6331] close(19 [pid 6330] +++ exited with 0 +++ [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6328] +++ exited with 0 +++ [pid 6326] close(25 [pid 6336] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] close(20 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6336] <... symlink resumed>) = 0 [pid 6331] close(20 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(26 [pid 6336] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] close(21 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] <... symlink resumed>) = 0 [pid 6331] close(21 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(27 [pid 6336] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] close(22 [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6336] <... symlink resumed>) = 0 [pid 6331] close(22 [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] close(28 [pid 6336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6335] <... write resumed>) = 2097152 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6335] munmap(0x7f7a51cd9000, 2097152 [pid 6331] close(23 [pid 6329] close(23 [pid 6326] close(29 [pid 5074] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6336] <... openat resumed>) = 3 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6336] write(3, "1000", 4 [pid 6335] <... munmap resumed>) = 0 [pid 6331] close(24 [pid 6329] close(24 [pid 6326] exit_group(0 [pid 5074] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6336] <... write resumed>) = 4 [pid 6335] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6327] <... futex resumed>) = ? [pid 6326] <... exit_group resumed>) = ? [pid 5074] <... openat resumed>) = 3 [pid 6336] close(3 [pid 6331] close(25 [pid 6329] close(25 [pid 6327] +++ exited with 0 +++ [pid 5074] fstat(3, [pid 6336] <... close resumed>) = 0 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6336] symlink("/dev/binderfs", "./binderfs" [pid 6331] close(26 [pid 6329] close(26 [pid 5074] getdents64(3, [pid 6336] <... symlink resumed>) = 0 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6326] +++ exited with 0 +++ [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6336] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6335] <... openat resumed>) = 4 [pid 6331] close(27 [pid 6329] close(27 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=192, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=4 /* 0.04 s */} --- [pid 5074] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6336] <... futex resumed>) = 0 [pid 6335] ioctl(4, LOOP_SET_FD, 3 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6331] close(28 [pid 6329] close(28 [pid 5074] lstat("./96/binderfs", [pid 6336] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6335] <... ioctl resumed>) = 0 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6336] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6331] close(29 [pid 6329] close(29 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] unlink("./96/binderfs" [pid 6336] <... mprotect resumed>) = 0 [pid 6335] close(3 [pid 6331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... unlink resumed>) = 0 [pid 6336] 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 6335] <... close resumed>) = 0 [pid 6331] exit_group(0 [pid 6329] exit_group(0 [pid 5076] <... openat resumed>) = 3 [pid 5074] umount2("./96/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6337 attached [pid 6335] mkdir("./file0", 0777 [pid 6333] <... futex resumed>) = ? [pid 6332] <... futex resumed>) = ? [pid 6331] <... exit_group resumed>) = ? [pid 6329] <... exit_group resumed>) = ? [pid 5076] fstat(3, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6337] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6336] <... clone resumed>, parent_tid=[209], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 209 [pid 6335] <... mkdir resumed>) = 0 [pid 6333] +++ exited with 0 +++ [pid 6332] +++ exited with 0 +++ [pid 6331] +++ exited with 0 +++ [pid 6329] +++ exited with 0 +++ [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] lstat("./96/cgroup", [pid 6337] <... set_robust_list resumed>) = 0 [pid 6336] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6335] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5076] getdents64(3, [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6336] <... futex resumed>) = 0 [pid 5074] unlink("./96/cgroup" [pid 6336] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5074] <... unlink resumed>) = 0 [pid 6337] memfd_create("syzkaller", 0 [pid 5074] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] <... restart_syscall resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6337] <... memfd_create resumed>) = 3 [pid 5077] restart_syscall(<... resuming interrupted clone ...> [pid 5076] umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./96/cgroup.net", [pid 6337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5077] <... restart_syscall resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] lstat("./95/binderfs", [pid 5074] unlink("./96/cgroup.net" [pid 6337] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] unlink("./95/binderfs" [pid 5074] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... openat resumed>) = 3 [pid 5078] fstat(3, [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... unlink resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] umount2("./95/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [ 173.821848][ T6335] loop3: detected capacity change from 0 to 4096 [pid 5078] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5077] <... openat resumed>) = 3 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] fstat(3, [pid 5076] lstat("./95/cgroup", [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] lstat("./101/binderfs", [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] getdents64(3, [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] unlink("./95/cgroup" [pid 5078] unlink("./101/binderfs" [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] <... unlink resumed>) = 0 [pid 5077] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... unlink resumed>) = 0 [pid 5078] umount2("./101/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./95/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./98/binderfs", [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./101/cgroup", [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] lstat("./95/cgroup.net", [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] unlink("./98/binderfs" [pid 5078] unlink("./101/cgroup" [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5076] unlink("./95/cgroup.net" [pid 5074] <... umount2 resumed>) = 0 [pid 5078] umount2("./101/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] umount2("./98/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... unlink resumed>) = 0 [pid 5078] lstat("./101/cgroup.net", [pid 5077] lstat("./98/cgroup", [pid 5076] umount2("./95/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=23, ...}) = 0 [pid 5078] unlink("./101/cgroup.net" [pid 5077] unlink("./98/cgroup" [pid 5076] <... umount2 resumed>) = 0 [pid 5074] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... unlink resumed>) = 0 [pid 5078] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] umount2("./98/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./96/file0", [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6335] <... mount resumed>) = 0 [pid 6335] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6335] chdir("./file0") = 0 [pid 6335] ioctl(4, LOOP_CLR_FD) = 0 [pid 6335] close(4) = 0 [pid 6335] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6334] <... futex resumed>) = 0 [pid 6335] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6334] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6334] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6335] <... mkdirat resumed>) = 0 [pid 6335] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6334] <... futex resumed>) = 0 [pid 6335] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6334] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6334] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6335] <... symlinkat resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6335] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] openat(AT_FDCWD, "./96/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6335] <... futex resumed>) = 1 [pid 6334] <... futex resumed>) = 0 [pid 5077] lstat("./98/cgroup.net", [pid 5074] <... openat resumed>) = 4 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] fstat(4, [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6335] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6334] close(3 [pid 5076] lstat("./95/file0", [pid 5077] unlink("./98/cgroup.net" [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6334] <... close resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5074] getdents64(4, [pid 5076] umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6334] close(4 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] getdents64(4, [pid 6334] close(5 [pid 5076] openat(AT_FDCWD, "./95/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... openat resumed>) = 4 [pid 5074] close(4 [pid 6334] close(6 [pid 5076] fstat(4, [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6334] close(7 [pid 5076] getdents64(4, [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6334] close(8 [pid 5076] getdents64(4, [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6334] close(9 [pid 5076] close(4 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = 0 [pid 6334] close(10 [pid 5076] rmdir("./95/file0" [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... rmdir resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 6334] close(11 [pid 5076] umount2("./95/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6337] 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 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] rmdir("./96/file0" [pid 6334] close(12 [pid 5076] lstat("./95/cgroup.cpu", [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6334] close(13 [pid 5074] <... rmdir resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] unlink("./95/cgroup.cpu" [pid 5074] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6334] close(14) = -1 EBADF (Bad file descriptor) [pid 5076] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6334] close(15 [pid 5076] getdents64(3, [pid 5074] lstat("./96/cgroup.cpu", [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6334] close(16 [pid 5076] close(3 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = 0 [pid 5074] unlink("./96/cgroup.cpu" [pid 6334] close(17 [pid 5076] rmdir("./95" [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... rmdir resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 6334] close(18 [pid 5077] <... umount2 resumed>) = 0 [pid 5076] mkdir("./96", 0777 [pid 5074] getdents64(3, [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... mkdir resumed>) = 0 [pid 6334] close(19 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./98/file0", [pid 5076] <... openat resumed>) = 3 [pid 6334] close(20 [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5074] close(3 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6334] close(21 [pid 5078] <... umount2 resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] close(3 [pid 5074] <... close resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] openat(AT_FDCWD, "./98/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... close resumed>) = 0 [pid 5074] rmdir("./96" [pid 6334] close(22 [pid 5077] <... openat resumed>) = 4 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6338 attached [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] fstat(4, [pid 5074] <... rmdir resumed>) = 0 [pid 6338] set_robust_list(0x5555562845e0, 24 [pid 6334] close(23 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 194 [pid 6338] <... set_robust_list resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./101/file0", [pid 5077] getdents64(4, [pid 5074] mkdir("./97", 0777 [pid 6334] close(24 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6338] chdir("./96" [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] getdents64(4, [pid 6334] close(25 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(4 [pid 6334] close(26 [pid 5077] <... close resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] rmdir("./98/file0" [pid 5074] <... mkdir resumed>) = 0 [pid 6338] <... chdir resumed>) = 0 [pid 6334] close(27 [pid 6338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... rmdir resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6338] <... prctl resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./101/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] umount2("./98/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6338] setpgid(0, 0 [pid 6334] close(28 [pid 5078] <... openat resumed>) = 4 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... openat resumed>) = 3 [pid 6338] <... setpgid resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] fstat(4, [pid 5077] lstat("./98/cgroup.cpu", [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6338] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6334] close(29 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6338] <... symlink resumed>) = 0 [pid 6334] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(4, [pid 5077] unlink("./98/cgroup.cpu" [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6338] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6334] exit_group(0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] <... unlink resumed>) = 0 [pid 5074] close(3 [pid 6338] <... symlink resumed>) = 0 [pid 6335] <... futex resumed>) = ? [pid 6334] <... exit_group resumed>) = ? [pid 5078] getdents64(4, [pid 5077] getdents64(3, [pid 6338] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6337] <... write resumed>) = 2097152 [pid 6335] +++ exited with 0 +++ [pid 6334] +++ exited with 0 +++ [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] <... close resumed>) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5077] close(3 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 6338] <... symlink resumed>) = 0 [pid 5078] close(4 [pid 5077] <... close resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6337] munmap(0x7f7a51cd9000, 2097152 [pid 5078] <... close resumed>) = 0 [pid 5077] rmdir("./98") = 0 [pid 5075] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] mkdir("./99", 0777 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... mkdir resumed>) = 0 [pid 5075] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5075] <... openat resumed>) = 3 [pid 5077] <... openat resumed>) = 3 [pid 5075] fstat(3, [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] getdents64(3, [pid 5077] close(3 [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5077] <... close resumed>) = 0 [pid 5075] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6339 attached [pid 6338] <... openat resumed>) = 3 [pid 6337] <... munmap resumed>) = 0 [pid 5078] rmdir("./101/file0" [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6340 attached [pid 6339] set_robust_list(0x5555562845e0, 24 [pid 6338] write(3, "1000", 4 [pid 6337] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5078] <... rmdir resumed>) = 0 [pid 5075] lstat("./97/binderfs", [pid 6339] <... set_robust_list resumed>) = 0 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 200 [pid 6338] <... write resumed>) = 4 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 196 [pid 6340] set_robust_list(0x5555562845e0, 24 [pid 6339] chdir("./97" [pid 6337] <... openat resumed>) = 4 [pid 5078] umount2("./101/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] unlink("./97/binderfs" [pid 6340] <... set_robust_list resumed>) = 0 [pid 6339] <... chdir resumed>) = 0 [pid 6338] close(3 [pid 6337] ioctl(4, LOOP_SET_FD, 3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... unlink resumed>) = 0 [pid 6340] chdir("./99" [pid 6339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6338] <... close resumed>) = 0 [pid 5078] lstat("./101/cgroup.cpu", [pid 5075] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6339] <... prctl resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6339] setpgid(0, 0 [pid 5075] lstat("./97/cgroup", [pid 6340] <... chdir resumed>) = 0 [pid 6339] <... setpgid resumed>) = 0 [pid 6338] symlink("/dev/binderfs", "./binderfs" [pid 6337] <... ioctl resumed>) = 0 [pid 5078] <... 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 6340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6339] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6338] <... symlink resumed>) = 0 [pid 6337] close(3 [pid 5078] unlink("./101/cgroup.cpu" [pid 5075] unlink("./97/cgroup" [pid 6340] <... prctl resumed>) = 0 [pid 6339] <... symlink resumed>) = 0 [pid 6338] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... close resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6340] setpgid(0, 0 [pid 6338] <... futex resumed>) = 0 [pid 6337] mkdir("./file0", 0777 [pid 5078] getdents64(3, [pid 6340] <... setpgid resumed>) = 0 [pid 6339] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6338] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6337] <... mkdir resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6340] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6339] <... symlink resumed>) = 0 [pid 6338] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6337] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5078] close(3 [pid 5075] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6340] <... symlink resumed>) = 0 [pid 6339] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6338] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5078] <... close resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6340] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6339] <... symlink resumed>) = 0 [pid 6338] <... mprotect resumed>) = 0 [pid 5078] rmdir("./101" [pid 5075] lstat("./97/cgroup.net", [pid 6340] <... symlink resumed>) = 0 [pid 6339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6338] 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] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6341 attached [pid 6340] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6339] <... openat resumed>) = 3 [pid 5078] <... rmdir resumed>) = 0 [pid 5075] unlink("./97/cgroup.net" [pid 6341] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6340] <... symlink resumed>) = 0 [pid 6339] write(3, "1000", 4 [pid 6338] <... clone resumed>, parent_tid=[195], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 195 [pid 5078] mkdir("./102", 0777 [pid 6341] <... set_robust_list resumed>) = 0 [pid 6340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6339] <... write resumed>) = 4 [pid 6338] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... mkdir resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6340] <... openat resumed>) = 3 [pid 6338] <... futex resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6340] write(3, "1000", 4 [pid 6338] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] <... openat resumed>) = 3 [pid 6341] memfd_create("syzkaller", 0 [pid 6340] <... write resumed>) = 4 [pid 6339] close(3 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5075] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6341] <... memfd_create resumed>) = 3 [pid 6340] close(3 [pid 6339] <... close resumed>) = 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6340] <... close resumed>) = 0 [pid 6339] symlink("/dev/binderfs", "./binderfs" [ 174.094899][ T6337] loop2: detected capacity change from 0 to 4096 [pid 5078] close(3 [pid 6341] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6340] symlink("/dev/binderfs", "./binderfs" [pid 6339] <... symlink resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 6340] <... symlink resumed>) = 0 [pid 6339] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6339] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6340] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... mprotect resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6339] 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 6342 attached [pid 6342] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6339] <... clone resumed>, parent_tid=[197], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 197 [pid 6342] <... set_robust_list resumed>) = 0 [pid 6339] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] memfd_create("syzkaller", 0 [pid 6339] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6343 attached [pid 6342] <... memfd_create resumed>) = 3 [pid 6340] <... futex resumed>) = 0 [pid 6339] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6343] set_robust_list(0x5555562845e0, 24 [pid 6342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 206 [pid 6343] <... set_robust_list resumed>) = 0 [pid 6342] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6343] chdir("./102" [pid 6340] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6343] <... chdir resumed>) = 0 [pid 6340] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6340] <... mprotect resumed>) = 0 [pid 6343] <... prctl resumed>) = 0 [pid 6340] 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 6343] setpgid(0, 0./strace-static-x86_64: Process 6344 attached ) = 0 [pid 6344] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6343] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6344] <... set_robust_list resumed>) = 0 [pid 6340] <... clone resumed>, parent_tid=[201], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 201 [pid 6344] memfd_create("syzkaller", 0 [pid 6343] <... symlink resumed>) = 0 [pid 6340] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... memfd_create resumed>) = 3 [pid 6340] <... futex resumed>) = 0 [pid 6344] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6343] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6340] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6344] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6343] <... symlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = 0 [pid 5075] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6343] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6342] 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 6337] <... mount resumed>) = 0 [pid 6343] <... symlink resumed>) = 0 [pid 6337] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6337] <... openat resumed>) = 3 [pid 6343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6337] chdir("./file0" [pid 5075] lstat("./97/file0", [pid 6337] <... chdir resumed>) = 0 [pid 6337] ioctl(4, LOOP_CLR_FD [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6337] <... ioctl resumed>) = 0 [pid 6337] close(4 [pid 5075] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6337] <... close resumed>) = 0 [pid 6337] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6337] <... futex resumed>) = 1 [pid 6336] <... futex resumed>) = 0 [pid 6337] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6336] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] openat(AT_FDCWD, "./97/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6336] <... futex resumed>) = 0 [pid 5075] <... openat resumed>) = 4 [pid 6337] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6336] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] getdents64(4, [pid 6343] <... openat resumed>) = 3 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6343] write(3, "1000", 4 [pid 6337] <... mkdirat resumed>) = 0 [pid 5075] getdents64(4, [pid 6343] <... write resumed>) = 4 [pid 6341] 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 6337] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6343] close(3 [pid 6337] <... futex resumed>) = 1 [pid 6336] <... futex resumed>) = 0 [pid 5075] close(4 [pid 6343] <... close resumed>) = 0 [pid 6337] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6336] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... close resumed>) = 0 [pid 6343] symlink("/dev/binderfs", "./binderfs" [pid 6337] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6336] <... futex resumed>) = 0 [pid 5075] rmdir("./97/file0" [pid 6343] <... symlink resumed>) = 0 [pid 6337] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6336] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] <... rmdir resumed>) = 0 [pid 6343] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6337] <... symlinkat resumed>) = 0 [pid 5075] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6343] <... futex resumed>) = 0 [pid 6337] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6337] <... futex resumed>) = 1 [pid 6336] <... futex resumed>) = 0 [pid 5075] lstat("./97/cgroup.cpu", [pid 6343] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6337] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6336] close(3 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6343] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6336] <... close resumed>) = 0 [pid 5075] unlink("./97/cgroup.cpu" [pid 6343] <... mprotect resumed>) = 0 [pid 6336] close(4 [pid 5075] <... unlink resumed>) = 0 [pid 6343] 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 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] getdents64(3, ./strace-static-x86_64: Process 6345 attached [pid 6336] close(5 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6345] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6343] <... clone resumed>, parent_tid=[207], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 207 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] close(3 [pid 6345] <... set_robust_list resumed>) = 0 [pid 6343] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] close(6 [pid 5075] <... close resumed>) = 0 [pid 6345] memfd_create("syzkaller", 0 [pid 6343] <... futex resumed>) = 0 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] rmdir("./97" [pid 6345] <... memfd_create resumed>) = 3 [pid 6343] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6336] close(7 [pid 5075] <... rmdir resumed>) = 0 [pid 6345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] mkdir("./98", 0777 [pid 6345] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6344] 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 6336] close(8 [pid 5075] <... mkdir resumed>) = 0 [pid 6342] <... write resumed>) = 2097152 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6342] munmap(0x7f7a51cd9000, 2097152 [pid 6336] close(9 [pid 5075] <... openat resumed>) = 3 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6336] close(10 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] close(3 [pid 6336] close(11 [pid 5075] <... close resumed>) = 0 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6346 attached [pid 6336] close(12 [pid 6346] set_robust_list(0x5555562845e0, 24 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 198 [pid 6346] <... set_robust_list resumed>) = 0 [pid 6336] close(13 [pid 6346] chdir("./98" [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... chdir resumed>) = 0 [pid 6336] close(14 [pid 6346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... prctl resumed>) = 0 [pid 6336] close(15 [pid 6346] setpgid(0, 0 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... setpgid resumed>) = 0 [pid 6336] close(16 [pid 6346] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6342] <... munmap resumed>) = 0 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... symlink resumed>) = 0 [pid 6342] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6336] close(17 [pid 6346] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6342] <... openat resumed>) = 4 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... symlink resumed>) = 0 [pid 6342] ioctl(4, LOOP_SET_FD, 3 [pid 6336] close(18 [pid 6346] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... symlink resumed>) = 0 [pid 6336] close(19 [pid 6346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... openat resumed>) = 3 [pid 6336] close(20 [pid 6346] write(3, "1000", 4 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... write resumed>) = 4 [pid 6336] close(21 [pid 6346] close(3 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... close resumed>) = 0 [pid 6336] close(22 [pid 6346] symlink("/dev/binderfs", "./binderfs" [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... symlink resumed>) = 0 [pid 6336] close(23 [pid 6346] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... ioctl resumed>) = 0 [pid 6341] <... write resumed>) = 2097152 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... futex resumed>) = 0 [pid 6342] close(3 [pid 6341] munmap(0x7f7a51cd9000, 2097152 [pid 6336] close(24 [pid 6346] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6342] <... close resumed>) = 0 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6342] mkdir("./file0", 0777 [pid 6336] close(25 [pid 6346] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6346] <... mprotect resumed>) = 0 [pid 6342] <... mkdir resumed>) = 0 [pid 6336] close(26 [pid 6346] 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 6342] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6347 attached [pid 6336] close(27 [pid 6347] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6346] <... clone resumed>, parent_tid=[199], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 199 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... set_robust_list resumed>) = 0 [pid 6346] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6336] close(28 [pid 6347] memfd_create("syzkaller", 0 [pid 6346] <... futex resumed>) = 0 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... memfd_create resumed>) = 3 [pid 6346] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6336] close(29 [pid 6347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6344] <... write resumed>) = 2097152 [pid 6336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6347] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6336] exit_group(0 [ 174.338614][ T6342] loop0: detected capacity change from 0 to 4096 [pid 6345] 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 6344] munmap(0x7f7a51cd9000, 2097152 [pid 6341] <... munmap resumed>) = 0 [pid 6344] <... munmap resumed>) = 0 [pid 6341] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6337] <... futex resumed>) = ? [pid 6336] <... exit_group resumed>) = ? [pid 6344] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6341] <... openat resumed>) = 4 [pid 6344] <... openat resumed>) = 4 [pid 6341] ioctl(4, LOOP_SET_FD, 3 [pid 6344] ioctl(4, LOOP_SET_FD, 3 [pid 6337] +++ exited with 0 +++ [pid 6336] +++ exited with 0 +++ [pid 6347] 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 6342] <... mount resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=5 /* 0.05 s */} --- [pid 5079] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5079] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./103/binderfs", [pid 6341] <... ioctl resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6341] close(3 [pid 5079] unlink("./103/binderfs" [pid 6344] <... ioctl resumed>) = 0 [pid 6341] <... close resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6344] close(3 [pid 6341] mkdir("./file0", 0777 [pid 5079] umount2("./103/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6344] <... close resumed>) = 0 [pid 6342] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6341] <... mkdir resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6344] mkdir("./file0", 0777 [pid 6341] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5079] lstat("./103/cgroup", [pid 6344] <... mkdir resumed>) = 0 [pid 6342] <... openat resumed>) = 3 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6344] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6342] chdir("./file0" [pid 5079] unlink("./103/cgroup" [pid 6345] <... write resumed>) = 2097152 [pid 6342] <... chdir resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5079] umount2("./103/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./103/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6345] munmap(0x7f7a51cd9000, 2097152 [pid 6342] ioctl(4, LOOP_CLR_FD [pid 5079] unlink("./103/cgroup.net") = 0 [pid 6342] <... ioctl resumed>) = 0 [pid 5079] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6342] close(4 [pid 6345] <... munmap resumed>) = 0 [pid 6342] <... close resumed>) = 0 [pid 6342] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6342] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6339] <... futex resumed>) = 0 [pid 6342] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6339] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6345] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 174.408067][ T6341] loop4: detected capacity change from 0 to 4096 [ 174.415641][ T6344] loop5: detected capacity change from 0 to 4096 [pid 6345] ioctl(4, LOOP_SET_FD, 3 [pid 6347] <... write resumed>) = 2097152 [pid 6345] <... ioctl resumed>) = 0 [pid 6345] close(3 [pid 6347] munmap(0x7f7a51cd9000, 2097152 [pid 6345] <... close resumed>) = 0 [pid 6347] <... munmap resumed>) = 0 [pid 6345] mkdir("./file0", 0777 [pid 6342] <... mkdirat resumed>) = 0 [pid 6345] <... mkdir resumed>) = 0 [pid 6342] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... umount2 resumed>) = 0 [pid 6345] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6342] <... futex resumed>) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6342] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6339] <... futex resumed>) = 0 [pid 6342] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6339] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6342] <... symlinkat resumed>) = 0 [pid 6342] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6339] <... futex resumed>) = 0 [pid 6342] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] close(3 [pid 6347] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6339] <... close resumed>) = 0 [ 174.470398][ T6345] loop1: detected capacity change from 0 to 4096 [pid 5079] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6347] <... openat resumed>) = 4 [pid 6339] close(4 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6347] ioctl(4, LOOP_SET_FD, 3 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./103/file0", [pid 6341] <... mount resumed>) = 0 [pid 6339] close(5 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6341] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... openat resumed>) = 3 [pid 6339] close(6 [pid 6341] chdir("./file0" [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6341] <... chdir resumed>) = 0 [pid 6339] close(7 [pid 6341] ioctl(4, LOOP_CLR_FD [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6341] <... ioctl resumed>) = 0 [pid 6339] close(8 [pid 5079] openat(AT_FDCWD, "./103/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6341] close(4 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... close resumed>) = 0 [pid 6339] close(9 [pid 5079] <... openat resumed>) = 4 [pid 6341] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... futex resumed>) = 1 [pid 6339] close(10 [pid 6338] <... futex resumed>) = 0 [pid 6341] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6339] close(11 [pid 6338] <... futex resumed>) = 0 [pid 6341] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] fstat(4, [pid 6341] <... mkdirat resumed>) = 0 [pid 6339] close(12 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6344] <... mount resumed>) = 0 [pid 6341] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(4, [pid 6344] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6341] <... futex resumed>) = 1 [pid 6339] close(13 [pid 6338] <... futex resumed>) = 0 [pid 6344] <... openat resumed>) = 3 [pid 6341] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [ 174.532968][ T6347] loop3: detected capacity change from 0 to 4096 [pid 6347] <... ioctl resumed>) = 0 [pid 6345] <... mount resumed>) = 0 [pid 6344] chdir("./file0" [pid 6341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6339] close(14 [pid 6338] <... futex resumed>) = 0 [pid 5079] getdents64(4, [pid 6347] close(3 [pid 6345] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6344] <... chdir resumed>) = 0 [pid 6341] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6347] <... close resumed>) = 0 [pid 6345] <... openat resumed>) = 3 [pid 6344] ioctl(4, LOOP_CLR_FD [pid 6341] <... symlinkat resumed>) = 0 [pid 6339] close(15 [pid 5079] close(4 [pid 6347] mkdir("./file0", 0777 [pid 6345] chdir("./file0" [pid 6344] <... ioctl resumed>) = 0 [pid 6341] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 6347] <... mkdir resumed>) = 0 [pid 6345] <... chdir resumed>) = 0 [pid 6344] close(4 [pid 6341] <... futex resumed>) = 1 [pid 6339] close(16 [pid 6338] <... futex resumed>) = 0 [pid 5079] rmdir("./103/file0" [pid 6347] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6345] ioctl(4, LOOP_CLR_FD [pid 6344] <... close resumed>) = 0 [pid 6341] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(3 [pid 5079] <... rmdir resumed>) = 0 [pid 6345] <... ioctl resumed>) = 0 [pid 6344] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... close resumed>) = 0 [pid 5079] umount2("./103/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6345] close(4 [pid 6344] <... futex resumed>) = 1 [pid 6340] <... futex resumed>) = 0 [pid 6338] close(4 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6345] <... close resumed>) = 0 [pid 6344] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./103/cgroup.cpu", [pid 6345] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6340] <... futex resumed>) = 0 [pid 6339] close(17 [pid 6338] close(5 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6345] <... futex resumed>) = 1 [pid 6344] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6343] <... futex resumed>) = 0 [pid 6340] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./103/cgroup.cpu" [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6345] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6344] <... mkdirat resumed>) = 0 [pid 6343] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] close(18 [pid 6338] close(6 [pid 5079] <... unlink resumed>) = 0 [pid 6345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6344] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... futex resumed>) = 0 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(3, [pid 6345] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6344] <... futex resumed>) = 1 [pid 6343] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6340] <... futex resumed>) = 0 [pid 6339] close(19 [pid 6338] close(7 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6344] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6340] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(3 [pid 6344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6340] <... futex resumed>) = 0 [pid 6339] close(20 [pid 6338] close(8 [pid 5079] <... close resumed>) = 0 [pid 6347] <... mount resumed>) = 0 [pid 6345] <... mkdirat resumed>) = 0 [pid 6344] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6340] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./103" [pid 6347] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6345] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6344] <... symlinkat resumed>) = 0 [pid 6339] close(21 [pid 6338] close(9 [pid 5079] <... rmdir resumed>) = 0 [pid 6347] <... openat resumed>) = 3 [pid 6345] <... futex resumed>) = 1 [pid 6344] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... futex resumed>) = 0 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] mkdir("./104", 0777 [pid 6347] chdir("./file0" [pid 6345] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6344] <... futex resumed>) = 1 [pid 6343] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... futex resumed>) = 0 [pid 6339] close(22 [pid 6338] close(10 [pid 5079] <... mkdir resumed>) = 0 [pid 6347] <... chdir resumed>) = 0 [pid 6345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6344] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] <... futex resumed>) = 0 [pid 6340] close(3 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6347] ioctl(4, LOOP_CLR_FD [pid 6345] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6343] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6340] <... close resumed>) = 0 [pid 6339] close(23 [pid 6338] close(11 [pid 5079] <... openat resumed>) = 3 [pid 6347] <... ioctl resumed>) = 0 [pid 6340] close(4 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6347] close(4 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(24 [pid 6338] close(12 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6347] <... close resumed>) = 0 [pid 6340] close(5 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(3 [pid 6347] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(13 [pid 5079] <... close resumed>) = 0 [pid 6347] <... futex resumed>) = 1 [pid 6346] <... futex resumed>) = 0 [pid 6340] close(6 [pid 6338] <... 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 6348 attached [pid 6347] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(25 [pid 6338] close(14 [pid 6348] set_robust_list(0x5555562845e0, 24 [pid 6347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] <... futex resumed>) = 0 [pid 6345] <... symlinkat resumed>) = 0 [pid 6340] close(7 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 210 [pid 6348] <... set_robust_list resumed>) = 0 [pid 6347] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6346] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6345] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(26 [pid 6338] close(15 [pid 6348] chdir("./104" [pid 6345] <... futex resumed>) = 1 [pid 6343] <... futex resumed>) = 0 [pid 6340] close(8 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] <... chdir resumed>) = 0 [pid 6345] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6343] close(3 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(16 [pid 6348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6343] <... close resumed>) = 0 [pid 6340] close(9 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] <... prctl resumed>) = 0 [pid 6343] close(4 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(17 [pid 6348] setpgid(0, 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(10 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] <... setpgid resumed>) = 0 [pid 6343] close(5 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(18 [pid 6348] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(11 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] <... symlink resumed>) = 0 [pid 6343] close(6 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(27 [pid 6338] close(19 [pid 6347] <... mkdirat resumed>) = 0 [pid 6348] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6347] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(12 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] <... symlink resumed>) = 0 [pid 6347] <... futex resumed>) = 1 [pid 6346] <... futex resumed>) = 0 [pid 6343] close(7 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(28 [pid 6338] close(20 [pid 6348] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6347] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(13 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] <... symlink resumed>) = 0 [pid 6347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6346] <... futex resumed>) = 0 [pid 6343] close(8 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] close(29 [pid 6338] close(21 [pid 6348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6347] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6346] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(14 [pid 6339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] <... openat resumed>) = 3 [pid 6343] close(9 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] exit_group(0 [pid 6338] close(22 [pid 6348] write(3, "1000", 4 [pid 6347] <... symlinkat resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6342] <... futex resumed>) = ? [pid 6340] close(15 [pid 6339] <... exit_group resumed>) = ? [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] <... write resumed>) = 4 [pid 6347] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6343] close(10 [pid 6342] +++ exited with 0 +++ [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(23 [pid 6348] close(3 [pid 6347] <... futex resumed>) = 1 [pid 6346] <... futex resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(16 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] <... close resumed>) = 0 [pid 6347] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6346] close(3 [pid 6343] close(11 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6339] +++ exited with 0 +++ [pid 6338] close(24 [pid 6348] symlink("/dev/binderfs", "./binderfs" [pid 6346] <... close resumed>) = 0 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(17 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] <... symlink resumed>) = 0 [pid 6346] close(4 [pid 6343] close(12 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(25 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=196, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6348] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(18 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6348] <... futex resumed>) = 0 [pid 6346] close(5 [pid 6343] close(13 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(26 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(19 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6348] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6346] close(6 [pid 6343] close(14 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(27 [pid 5074] <... openat resumed>) = 3 [pid 6348] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(20 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] fstat(3, [pid 6348] <... mprotect resumed>) = 0 [pid 6346] close(7 [pid 6343] close(15 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(28 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6348] 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 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(21 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] getdents64(3, ./strace-static-x86_64: Process 6349 attached [pid 6346] close(8 [pid 6343] close(16 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] close(29 [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6349] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6348] <... clone resumed>, parent_tid=[211], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 211 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(22 [pid 6338] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6349] <... set_robust_list resumed>) = 0 [pid 6348] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6346] close(9 [pid 6343] close(17 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] exit_group(0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6349] memfd_create("syzkaller", 0 [pid 6348] <... futex resumed>) = 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6341] <... futex resumed>) = ? [pid 6340] close(23 [pid 6338] <... exit_group resumed>) = ? [pid 5074] lstat("./97/binderfs", [pid 6349] <... memfd_create resumed>) = 3 [pid 6348] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6346] close(10 [pid 6343] close(18 [pid 6341] +++ exited with 0 +++ [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6338] +++ exited with 0 +++ [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(24 [pid 5074] unlink("./97/binderfs" [pid 6349] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6346] close(11 [pid 6343] close(19 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] --- 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 5074] <... unlink resumed>) = 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(25 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5074] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6346] close(12 [pid 6343] close(20 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... restart_syscall resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(26 [pid 5074] lstat("./97/cgroup", [pid 6346] close(13 [pid 6343] close(21 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(27 [pid 5076] umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./97/cgroup" [pid 6346] close(14 [pid 6343] close(22 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(28 [pid 5076] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... unlink resumed>) = 0 [pid 6346] close(15 [pid 6343] close(23 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... openat resumed>) = 3 [pid 5074] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] close(29 [pid 5076] fstat(3, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6346] close(16 [pid 6343] close(24 [pid 6340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] lstat("./97/cgroup.net", [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] exit_group(0 [pid 5076] getdents64(3, [pid 6346] close(17 [pid 6344] <... futex resumed>) = ? [pid 6343] close(25 [pid 6340] <... exit_group resumed>) = ? [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6344] +++ exited with 0 +++ [pid 5076] umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./96/binderfs", [pid 6346] close(18 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6340] +++ exited with 0 +++ [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./97/cgroup.net" [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(26 [pid 5076] unlink("./96/binderfs" [pid 6346] close(19 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] --- 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] <... unlink resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(27 [pid 5077] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./96/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6346] close(20 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(28 [pid 5077] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] lstat("./96/cgroup", [pid 6346] close(21 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... openat resumed>) = 3 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] unlink("./96/cgroup") = 0 [pid 5076] umount2("./96/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] close(29 [pid 5077] fstat(3, [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./96/cgroup.net", [pid 6346] close(22 [pid 6343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6343] exit_group(0 [pid 5077] getdents64(3, [pid 5076] unlink("./96/cgroup.net" [pid 6349] 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 6346] close(23 [pid 6345] <... futex resumed>) = ? [pid 6343] <... exit_group resumed>) = ? [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] <... unlink resumed>) = 0 [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6346] close(24 [pid 6345] +++ exited with 0 +++ [pid 6343] +++ exited with 0 +++ [pid 5077] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6346] close(25 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5077] lstat("./99/binderfs", [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6346] close(26 [pid 5077] unlink("./99/binderfs" [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... restart_syscall resumed>) = 0 [pid 6346] close(27) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 6346] close(28) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] umount2("./99/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6346] close(29 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6346] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] lstat("./99/cgroup", [pid 6346] exit_group(0 [pid 5078] <... openat resumed>) = 3 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6346] <... exit_group resumed>) = ? [pid 6347] <... futex resumed>) = ? [pid 5077] unlink("./99/cgroup" [pid 5078] fstat(3, [pid 6347] +++ exited with 0 +++ [pid 6346] +++ exited with 0 +++ [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5078] getdents64(3, [pid 5077] umount2("./99/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] lstat("./99/cgroup.net", [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./102/binderfs", [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./97/file0", [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] unlink("./99/cgroup.net" [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] unlink("./102/binderfs" [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5075] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./102/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... openat resumed>) = 3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./102/cgroup", [pid 5075] fstat(3, [pid 5074] openat(AT_FDCWD, "./97/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... openat resumed>) = 4 [pid 5078] unlink("./102/cgroup" [pid 5075] getdents64(3, [pid 5074] fstat(4, [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... umount2 resumed>) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./102/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(4, [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./102/cgroup.net", [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] lstat("./98/binderfs", [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] getdents64(4, [pid 5078] unlink("./102/cgroup.net" [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5075] unlink("./98/binderfs" [pid 5074] close(4 [pid 5078] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5075] umount2("./98/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] rmdir("./97/file0" [pid 5076] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... rmdir resumed>) = 0 [pid 5075] lstat("./98/cgroup", [pid 5074] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] unlink("./98/cgroup" [pid 5074] lstat("./97/cgroup.cpu", [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] umount2("./98/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./97/cgroup.cpu" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./96/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] lstat("./98/cgroup.net", [pid 5074] <... unlink resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] openat(AT_FDCWD, "./96/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5076] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] getdents64(4, [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] getdents64(3, [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] unlink("./98/cgroup.net" [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] getdents64(4, [pid 5075] <... unlink resumed>) = 0 [pid 5074] close(3 [pid 5075] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... close resumed>) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] rmdir("./97" [pid 5076] close(4) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5076] rmdir("./96/file0" [pid 5074] mkdir("./98", 0777 [pid 5076] <... rmdir resumed>) = 0 [pid 5076] umount2("./96/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./96/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6349] <... write resumed>) = 2097152 [pid 5076] unlink("./96/cgroup.cpu" [pid 5074] <... mkdir resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5076] getdents64(3, [pid 5074] <... openat resumed>) = 3 [pid 5078] <... umount2 resumed>) = 0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5078] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5076] close(3 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] lstat("./102/file0", [pid 5076] <... close resumed>) = 0 [pid 5074] close(3 [pid 6349] munmap(0x7f7a51cd9000, 2097152 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... umount2 resumed>) = 0 [pid 5076] rmdir("./96" [pid 5074] <... close resumed>) = 0 [pid 6349] <... munmap resumed>) = 0 [pid 5078] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... rmdir resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6349] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] mkdir("./97", 0777./strace-static-x86_64: Process 6350 attached [pid 6349] <... openat resumed>) = 4 [pid 5078] openat(AT_FDCWD, "./102/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] lstat("./99/file0", [pid 5076] <... mkdir resumed>) = 0 [pid 6350] set_robust_list(0x5555562845e0, 24 [pid 6349] ioctl(4, LOOP_SET_FD, 3 [pid 5078] <... openat resumed>) = 4 [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 198 [pid 6350] <... set_robust_list resumed>) = 0 [pid 5078] fstat(4, [pid 5076] <... openat resumed>) = 3 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5078] getdents64(4, [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] close(3 [pid 6350] chdir("./98" [pid 5078] getdents64(4, [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... close resumed>) = 0 [pid 6350] <... chdir resumed>) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5077] openat(AT_FDCWD, "./99/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 6351 attached [pid 6350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] close(4 [pid 5077] <... openat resumed>) = 4 [pid 6351] set_robust_list(0x5555562845e0, 24 [pid 6350] <... prctl resumed>) = 0 [pid 6349] <... ioctl resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5077] fstat(4, [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 196 [pid 6351] <... set_robust_list resumed>) = 0 [pid 6350] setpgid(0, 0 [pid 6349] close(3 [pid 5078] rmdir("./102/file0" [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6351] chdir("./97" [pid 6350] <... setpgid resumed>) = 0 [pid 6349] <... close resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5077] getdents64(4, [pid 5075] <... umount2 resumed>) = 0 [pid 6351] <... chdir resumed>) = 0 [pid 6350] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6349] mkdir("./file0", 0777 [pid 5078] umount2("./102/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6350] <... symlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6351] <... prctl resumed>) = 0 [pid 6350] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6349] <... mkdir resumed>) = 0 [pid 5078] lstat("./102/cgroup.cpu", [pid 5077] getdents64(4, [pid 6351] setpgid(0, 0 [pid 6350] <... symlink resumed>) = 0 [pid 6349] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6351] <... setpgid resumed>) = 0 [pid 6350] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5078] unlink("./102/cgroup.cpu" [pid 6351] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6350] <... symlink resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5077] close(4 [pid 5075] lstat("./98/file0", [pid 6351] <... symlink resumed>) = 0 [pid 6350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] getdents64(3, [pid 5077] <... close resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6351] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6351] <... symlink resumed>) = 0 [pid 6350] <... openat resumed>) = 3 [pid 5078] close(3 [pid 5077] rmdir("./99/file0" [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6351] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6350] write(3, "1000", 4 [pid 5078] <... close resumed>) = 0 [pid 5075] openat(AT_FDCWD, "./98/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6351] <... symlink resumed>) = 0 [pid 6350] <... write resumed>) = 4 [pid 5078] rmdir("./102" [pid 5077] <... rmdir resumed>) = 0 [pid 5075] <... openat resumed>) = 4 [pid 6351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6350] close(3 [pid 5078] <... rmdir resumed>) = 0 [pid 5077] umount2("./99/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] fstat(4, [pid 6351] <... openat resumed>) = 3 [pid 6350] <... close resumed>) = 0 [pid 5078] mkdir("./103", 0777 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6351] write(3, "1000", 4 [pid 6350] symlink("/dev/binderfs", "./binderfs" [pid 5078] <... mkdir resumed>) = 0 [pid 5077] lstat("./99/cgroup.cpu", [pid 5075] getdents64(4, [pid 6351] <... write resumed>) = 4 [pid 6350] <... symlink resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6351] close(3 [pid 6350] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... openat resumed>) = 3 [pid 5077] unlink("./99/cgroup.cpu" [pid 5075] getdents64(4, [pid 6351] <... close resumed>) = 0 [pid 6350] <... futex resumed>) = 0 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6351] symlink("/dev/binderfs", "./binderfs" [pid 6350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 174.992506][ T6349] loop2: detected capacity change from 0 to 4096 [pid 5077] <... unlink resumed>) = 0 [pid 5075] close(4 [pid 6351] <... symlink resumed>) = 0 [pid 6350] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5078] close(3 [pid 5077] getdents64(3, [pid 5075] <... close resumed>) = 0 [pid 6351] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6349] <... mount resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] rmdir("./98/file0" [pid 6351] <... futex resumed>) = 0 [pid 6350] <... mprotect resumed>) = 0 [pid 6349] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] close(3 [pid 6351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6350] 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 6349] <... openat resumed>) = 3 [pid 5077] <... close resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6353 attached [pid 6349] chdir("./file0" [pid 5077] rmdir("./99" [pid 6350] <... clone resumed>, parent_tid=[199], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 199 [pid 6349] <... chdir resumed>) = 0 [pid 5077] <... rmdir resumed>) = 0 [pid 6350] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] ioctl(4, LOOP_CLR_FD [pid 5077] mkdir("./100", 0777./strace-static-x86_64: Process 6352 attached [pid 6350] <... futex resumed>) = 0 [pid 6349] <... ioctl resumed>) = 0 [pid 5077] <... mkdir resumed>) = 0 [pid 6352] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6351] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6350] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6349] close(4 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 208 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5075] umount2("./98/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6353] set_robust_list(0x5555562845e0, 24) = 0 [pid 6352] <... set_robust_list resumed>) = 0 [pid 6351] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6349] <... close resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6353] chdir("./103" [pid 6352] memfd_create("syzkaller", 0 [pid 6351] <... mprotect resumed>) = 0 [pid 6349] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5075] lstat("./98/cgroup.cpu", [pid 6353] <... chdir resumed>) = 0 [pid 6352] <... memfd_create resumed>) = 3 [pid 6351] 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 6349] <... futex resumed>) = 1 [pid 6348] <... futex resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6354 attached [pid 6353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6349] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6348] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] unlink("./98/cgroup.cpu" [pid 6354] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6353] <... prctl resumed>) = 0 [pid 6352] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6351] <... clone resumed>, parent_tid=[197], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 197 [pid 6349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6348] <... futex resumed>) = 0 [pid 5077] close(3 [pid 5075] <... unlink resumed>) = 0 [pid 6354] <... set_robust_list resumed>) = 0 [pid 6353] setpgid(0, 0 [pid 6351] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6348] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... close resumed>) = 0 [pid 5075] getdents64(3, [pid 6354] memfd_create("syzkaller", 0 [pid 6353] <... setpgid resumed>) = 0 [pid 6351] <... futex resumed>) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6353] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6351] 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 5075] close(3 [pid 6354] <... memfd_create resumed>) = 3 [pid 6353] <... symlink resumed>) = 0 [pid 6349] <... mkdirat resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 6353] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5075] rmdir("./98"./strace-static-x86_64: Process 6355 attached [pid 6354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6353] <... symlink resumed>) = 0 [pid 6349] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... rmdir resumed>) = 0 [pid 6355] set_robust_list(0x5555562845e0, 24 [pid 6354] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6353] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6349] <... futex resumed>) = 1 [pid 6348] <... futex resumed>) = 0 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 202 [pid 5075] mkdir("./99", 0777 [pid 6355] <... set_robust_list resumed>) = 0 [pid 6353] <... symlink resumed>) = 0 [pid 6349] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6348] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... mkdir resumed>) = 0 [pid 6355] chdir("./100" [pid 6353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6348] <... futex resumed>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6353] <... openat resumed>) = 3 [pid 5075] <... openat resumed>) = 3 [pid 6353] write(3, "1000", 4 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6353] <... write resumed>) = 4 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6353] close(3 [pid 5075] close(3 [pid 6353] <... close resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 6353] symlink("/dev/binderfs", "./binderfs" [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6356 attached [pid 6355] <... chdir resumed>) = 0 [pid 6353] <... symlink resumed>) = 0 [pid 6349] <... symlinkat resumed>) = 0 [pid 6348] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6356] set_robust_list(0x5555562845e0, 24 [pid 6355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6353] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6349] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 200 [pid 6356] <... set_robust_list resumed>) = 0 [pid 6355] <... prctl resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 6349] <... futex resumed>) = 0 [pid 6348] close(3 [pid 6356] chdir("./99" [pid 6353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6352] 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 6356] <... chdir resumed>) = 0 [pid 6355] setpgid(0, 0 [pid 6353] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6349] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6348] <... close resumed>) = 0 [pid 6356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6355] <... setpgid resumed>) = 0 [pid 6353] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6348] close(4 [pid 6356] <... prctl resumed>) = 0 [pid 6355] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6353] <... mprotect resumed>) = 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] setpgid(0, 0 [pid 6355] <... symlink resumed>) = 0 [pid 6353] 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 6348] close(5./strace-static-x86_64: Process 6357 attached [pid 6356] <... setpgid resumed>) = 0 [pid 6355] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6356] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6355] <... symlink resumed>) = 0 [pid 6353] <... clone resumed>, parent_tid=[209], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 209 [pid 6348] close(6 [pid 6357] <... set_robust_list resumed>) = 0 [pid 6356] <... symlink resumed>) = 0 [pid 6355] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6353] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] memfd_create("syzkaller", 0 [pid 6356] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6355] <... symlink resumed>) = 0 [pid 6353] <... futex resumed>) = 0 [pid 6348] close(7 [pid 6357] <... memfd_create resumed>) = 3 [pid 6356] <... symlink resumed>) = 0 [pid 6355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6353] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6357] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6356] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6355] <... openat resumed>) = 3 [pid 6348] close(8 [pid 6357] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6356] <... symlink resumed>) = 0 [pid 6355] write(3, "1000", 4 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6354] 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 6356] <... openat resumed>) = 3 [pid 6356] write(3, "1000", 4) = 4 [pid 6356] close(3) = 0 [pid 6356] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6355] <... write resumed>) = 4 [pid 6348] close(9 [pid 6356] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] close(3 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] <... futex resumed>) = 0 [pid 6355] <... close resumed>) = 0 [pid 6348] close(10 [pid 6356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6355] symlink("/dev/binderfs", "./binderfs" [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6355] <... symlink resumed>) = 0 [pid 6356] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6348] close(11 [pid 6356] <... mprotect resumed>) = 0 [pid 6355] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] 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 6355] <... futex resumed>) = 0 [pid 6348] close(12./strace-static-x86_64: Process 6358 attached [pid 6355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6358] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6356] <... clone resumed>, parent_tid=[201], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 201 [pid 6355] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6348] close(13 [pid 6358] <... set_robust_list resumed>) = 0 [pid 6356] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6355] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] <... futex resumed>) = 0 [pid 6358] memfd_create("syzkaller", 0 [pid 6356] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6355] <... mprotect resumed>) = 0 [pid 6348] close(14 [pid 6358] <... memfd_create resumed>) = 3 [pid 6355] 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 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6359 attached [pid 6358] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6357] 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 6348] close(15 [pid 6359] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6358] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6355] <... clone resumed>, parent_tid=[203], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 203 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] <... set_robust_list resumed>) = 0 [pid 6355] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6348] close(16 [pid 6355] <... futex resumed>) = 0 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] memfd_create("syzkaller", 0 [pid 6355] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6348] close(17) = -1 EBADF (Bad file descriptor) [pid 6359] <... memfd_create resumed>) = 3 [pid 6348] close(18 [pid 6359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 6348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6348] close(19) = -1 EBADF (Bad file descriptor) [pid 6348] close(20) = -1 EBADF (Bad file descriptor) [pid 6348] close(21) = -1 EBADF (Bad file descriptor) [pid 6348] close(22) = -1 EBADF (Bad file descriptor) [pid 6348] close(23) = -1 EBADF (Bad file descriptor) [pid 6348] close(24) = -1 EBADF (Bad file descriptor) [pid 6348] close(25) = -1 EBADF (Bad file descriptor) [pid 6348] close(26) = -1 EBADF (Bad file descriptor) [pid 6348] close(27) = -1 EBADF (Bad file descriptor) [pid 6348] close(28) = -1 EBADF (Bad file descriptor) [pid 6348] close(29) = -1 EBADF (Bad file descriptor) [pid 6348] exit_group(0 [pid 6349] <... futex resumed>) = ? [pid 6348] <... exit_group resumed>) = ? [pid 6349] +++ exited with 0 +++ [pid 6348] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5079] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6352] <... write resumed>) = 2097152 [pid 5079] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6354] <... write resumed>) = 2097152 [pid 5079] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./104/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./104/binderfs") = 0 [pid 6352] munmap(0x7f7a51cd9000, 2097152 [pid 5079] umount2("./104/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6352] <... munmap resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./104/cgroup", [pid 6352] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] unlink("./104/cgroup") = 0 [pid 5079] umount2("./104/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./104/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./104/cgroup.net") = 0 [pid 6354] munmap(0x7f7a51cd9000, 2097152 [pid 6352] <... openat resumed>) = 4 [pid 5079] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6352] ioctl(4, LOOP_SET_FD, 3 [pid 6358] 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 6354] <... munmap resumed>) = 0 [pid 6352] <... ioctl resumed>) = 0 [pid 6357] <... write resumed>) = 2097152 [pid 6357] munmap(0x7f7a51cd9000, 2097152 [pid 6352] close(3) = 0 [pid 6352] mkdir("./file0", 0777) = 0 [pid 6357] <... munmap resumed>) = 0 [pid 6352] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6357] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6357] ioctl(4, LOOP_SET_FD, 3 [pid 6359] 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 6354] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5079] <... umount2 resumed>) = 0 [pid 6354] <... openat resumed>) = 4 [pid 5079] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6354] ioctl(4, LOOP_SET_FD, 3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 175.293539][ T6352] loop0: detected capacity change from 0 to 4096 [ 175.331971][ T6357] loop1: detected capacity change from 0 to 4096 [pid 5079] lstat("./104/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./104/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6354] <... ioctl resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 6354] close(3 [pid 5079] fstat(4, [pid 6354] <... close resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6358] <... write resumed>) = 2097152 [pid 6357] <... ioctl resumed>) = 0 [pid 6354] mkdir("./file0", 0777 [pid 5079] getdents64(4, [pid 6358] munmap(0x7f7a51cd9000, 2097152 [pid 6357] close(3 [pid 6354] <... mkdir resumed>) = 0 [pid 6357] <... close resumed>) = 0 [pid 6354] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6357] mkdir("./file0", 0777 [pid 5079] getdents64(4, [pid 6357] <... mkdir resumed>) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6358] <... munmap resumed>) = 0 [pid 6357] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5079] close(4 [pid 6358] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5079] <... close resumed>) = 0 [pid 6358] <... openat resumed>) = 4 [pid 5079] rmdir("./104/file0" [pid 6358] ioctl(4, LOOP_SET_FD, 3 [pid 5079] <... rmdir resumed>) = 0 [ 175.356620][ T6354] loop4: detected capacity change from 0 to 4096 [pid 5079] umount2("./104/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./104/cgroup.cpu", [pid 6358] <... ioctl resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6358] close(3 [pid 6354] <... mount resumed>) = 0 [pid 5079] unlink("./104/cgroup.cpu" [pid 6358] <... close resumed>) = 0 [pid 6358] mkdir("./file0", 0777 [pid 6354] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] <... unlink resumed>) = 0 [pid 6359] <... write resumed>) = 2097152 [pid 6358] <... mkdir resumed>) = 0 [pid 6354] <... openat resumed>) = 3 [pid 5079] getdents64(3, [pid 6359] munmap(0x7f7a51cd9000, 2097152 [pid 6358] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6354] chdir("./file0" [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6357] <... mount resumed>) = 0 [pid 6354] <... chdir resumed>) = 0 [pid 5079] close(3 [pid 6354] ioctl(4, LOOP_CLR_FD [pid 5079] <... close resumed>) = 0 [pid 6359] <... munmap resumed>) = 0 [pid 6357] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6354] <... ioctl resumed>) = 0 [pid 5079] rmdir("./104" [pid 6359] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6357] <... openat resumed>) = 3 [pid 6354] close(4 [pid 6352] <... mount resumed>) = 0 [pid 6359] <... openat resumed>) = 4 [pid 6357] chdir("./file0" [pid 6354] <... close resumed>) = 0 [pid 6352] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] <... rmdir resumed>) = 0 [pid 6354] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... openat resumed>) = 3 [pid 6354] <... futex resumed>) = 1 [pid 6352] chdir("./file0" [pid 6351] <... futex resumed>) = 0 [pid 6354] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] <... chdir resumed>) = 0 [pid 6351] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6352] ioctl(4, LOOP_CLR_FD [pid 6351] <... futex resumed>) = 0 [pid 6354] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6352] <... ioctl resumed>) = 0 [pid 6351] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6359] ioctl(4, LOOP_SET_FD, 3 [pid 6357] <... chdir resumed>) = 0 [pid 6354] <... mkdirat resumed>) = 0 [pid 6352] close(4 [pid 5079] mkdir("./105", 0777 [pid 6357] ioctl(4, LOOP_CLR_FD [ 175.405813][ T6358] loop3: detected capacity change from 0 to 4096 [pid 6354] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... close resumed>) = 0 [pid 6354] <... futex resumed>) = 1 [pid 6352] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... futex resumed>) = 0 [pid 6354] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] <... futex resumed>) = 1 [pid 6351] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6352] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] <... futex resumed>) = 0 [pid 6354] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6351] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6357] <... ioctl resumed>) = 0 [pid 6354] <... symlinkat resumed>) = 0 [pid 6350] <... futex resumed>) = 0 [pid 6359] <... ioctl resumed>) = 0 [pid 6357] close(4 [pid 6354] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6350] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... mkdir resumed>) = 0 [pid 6359] close(3 [pid 6357] <... close resumed>) = 0 [pid 6354] <... futex resumed>) = 1 [pid 6352] <... futex resumed>) = 0 [pid 6351] <... futex resumed>) = 0 [pid 6350] <... futex resumed>) = 1 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6359] <... close resumed>) = 0 [pid 6357] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6354] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6352] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6351] close(3 [pid 6359] mkdir("./file0", 0777 [pid 6357] <... futex resumed>) = 1 [pid 6353] <... futex resumed>) = 0 [pid 6352] <... mkdirat resumed>) = 0 [pid 6351] <... close resumed>) = 0 [pid 6350] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... openat resumed>) = 3 [pid 6359] <... mkdir resumed>) = 0 [pid 6357] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6353] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] close(4 [pid 6350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6353] <... futex resumed>) = 0 [pid 6352] <... futex resumed>) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6352] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] close(5) = -1 EBADF (Bad file descriptor) [pid 6351] close(6) = -1 EBADF (Bad file descriptor) [pid 6351] close(7) = -1 EBADF (Bad file descriptor) [pid 6351] close(8 [pid 6350] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [ 175.464942][ T6359] loop5: detected capacity change from 0 to 4096 [pid 6359] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6358] <... mount resumed>) = 0 [pid 6357] <... mkdirat resumed>) = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6358] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6357] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... futex resumed>) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... futex resumed>) = 1 [pid 5079] close(3 [pid 6358] <... openat resumed>) = 3 [pid 6357] <... futex resumed>) = 1 [pid 6353] <... futex resumed>) = 0 [pid 6352] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6351] close(9 [pid 6350] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... close resumed>) = 0 [pid 6358] chdir("./file0" [pid 6357] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6353] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6352] <... symlinkat resumed>) = 0 [pid 6351] <... 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 6360 attached [pid 6358] <... chdir resumed>) = 0 [pid 6357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6353] <... futex resumed>) = 0 [pid 6352] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] close(10 [pid 6360] set_robust_list(0x5555562845e0, 24 [pid 6358] ioctl(4, LOOP_CLR_FD [pid 6357] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6353] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6352] <... futex resumed>) = 1 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... futex resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 212 [pid 6360] <... set_robust_list resumed>) = 0 [pid 6358] <... ioctl resumed>) = 0 [pid 6352] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6351] close(11 [pid 6350] close(3 [pid 6360] chdir("./105" [pid 6358] close(4 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = 0 [pid 6360] <... chdir resumed>) = 0 [pid 6358] <... close resumed>) = 0 [pid 6351] close(12 [pid 6350] close(4 [pid 6360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6358] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... prctl resumed>) = 0 [pid 6358] <... futex resumed>) = 1 [pid 6356] <... futex resumed>) = 0 [pid 6351] close(13 [pid 6350] close(5 [pid 6360] setpgid(0, 0 [pid 6358] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... setpgid resumed>) = 0 [pid 6358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] <... futex resumed>) = 0 [pid 6351] close(14 [pid 6350] close(6 [pid 6360] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6358] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6357] <... symlinkat resumed>) = 0 [pid 6356] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... symlink resumed>) = 0 [pid 6358] <... mkdirat resumed>) = 0 [pid 6357] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6351] close(15 [pid 6350] close(7 [pid 6360] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6358] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6357] <... futex resumed>) = 1 [pid 6353] <... futex resumed>) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... symlink resumed>) = 0 [pid 6358] <... futex resumed>) = 1 [pid 6357] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] <... futex resumed>) = 0 [pid 6353] close(3 [pid 6351] close(16 [pid 6350] close(8 [pid 6360] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6358] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] <... close resumed>) = 0 [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... symlink resumed>) = 0 [pid 6358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] <... futex resumed>) = 0 [pid 6353] close(4 [pid 6351] close(17 [pid 6350] close(9 [pid 6360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6358] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6356] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... openat resumed>) = 3 [pid 6353] close(5 [pid 6351] close(18 [pid 6350] close(10 [pid 6360] write(3, "1000", 4 [pid 6358] <... symlinkat resumed>) = 0 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] <... mount resumed>) = 0 [pid 6360] <... write resumed>) = 4 [pid 6359] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6358] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] close(6 [pid 6351] close(19 [pid 6350] close(11 [pid 6360] close(3 [pid 6359] <... openat resumed>) = 3 [pid 6358] <... futex resumed>) = 1 [pid 6356] <... futex resumed>) = 0 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... close resumed>) = 0 [pid 6359] chdir("./file0" [pid 6358] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] close(3 [pid 6353] close(7 [pid 6351] close(20 [pid 6350] close(12 [pid 6360] symlink("/dev/binderfs", "./binderfs" [pid 6359] <... chdir resumed>) = 0 [pid 6356] <... close resumed>) = 0 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... symlink resumed>) = 0 [pid 6359] ioctl(4, LOOP_CLR_FD [pid 6356] close(4 [pid 6353] close(8 [pid 6351] close(21 [pid 6350] close(13 [pid 6360] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6359] <... ioctl resumed>) = 0 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... futex resumed>) = 0 [pid 6359] close(4 [pid 6356] close(5 [pid 6353] close(9 [pid 6351] close(22 [pid 6350] close(14 [pid 6360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6359] <... close resumed>) = 0 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6359] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] close(6 [pid 6353] close(10 [pid 6351] close(23 [pid 6350] close(15 [pid 6360] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6359] <... futex resumed>) = 1 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... futex resumed>) = 0 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6360] <... mprotect resumed>) = 0 [pid 6359] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] close(7 [pid 6355] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] close(11 [pid 6351] close(24 [pid 6350] close(16 [pid 6360] 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 6359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... futex resumed>) = 0 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6361 attached [pid 6359] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6356] close(8 [pid 6355] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] close(12 [pid 6351] close(25 [pid 6350] close(17 [pid 6361] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6360] <... clone resumed>, parent_tid=[213], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 213 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6361] <... set_robust_list resumed>) = 0 [pid 6360] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] close(9 [pid 6353] close(13 [pid 6351] close(26 [pid 6350] close(18 [pid 6361] memfd_create("syzkaller", 0 [pid 6360] <... futex resumed>) = 0 [pid 6359] <... mkdirat resumed>) = 0 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6361] <... memfd_create resumed>) = 3 [pid 6360] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6359] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] close(10 [pid 6353] close(14 [pid 6351] close(27 [pid 6350] close(19 [pid 6361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6359] <... futex resumed>) = 1 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... futex resumed>) = 0 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6361] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6359] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] close(11 [pid 6355] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6353] close(15 [pid 6351] close(28 [pid 6350] close(20 [pid 6359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6353] close(16 [pid 6350] close(21 [pid 6359] <... symlinkat resumed>) = 0 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... futex resumed>) = 0 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6356] close(12 [pid 6355] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6353] close(17 [pid 6351] close(29 [pid 6350] close(22 [pid 6359] <... futex resumed>) = 0 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6359] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6356] close(13 [pid 6355] close(3 [pid 6353] close(18 [pid 6351] exit_group(0 [pid 6350] close(23 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... close resumed>) = 0 [pid 6354] <... futex resumed>) = ? [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] <... exit_group resumed>) = ? [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] close(14 [pid 6355] close(4 [pid 6353] close(19 [pid 6350] close(24 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] close(20 [pid 6350] close(25 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] close(21 [pid 6350] close(26 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] close(15 [pid 6355] close(5 [pid 6353] close(22 [pid 6350] close(27 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6354] +++ exited with 0 +++ [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6351] +++ exited with 0 +++ [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] close(16 [pid 6355] close(6 [pid 6353] close(23 [pid 6350] close(28 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6361] 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 6356] close(17 [pid 6355] close(7 [pid 6353] close(24 [pid 6350] close(29 [pid 5076] --- 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 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6356] close(18 [pid 6355] close(8 [pid 6353] close(25 [pid 6350] exit_group(0 [pid 5076] umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6352] <... futex resumed>) = ? [pid 6350] <... exit_group resumed>) = ? [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] close(26 [pid 6352] +++ exited with 0 +++ [pid 6350] +++ exited with 0 +++ [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6356] close(19 [pid 6355] close(9 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] close(27 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5076] <... openat resumed>) = 3 [pid 6356] close(20 [pid 6355] close(10 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] fstat(3, [pid 5074] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] close(28 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6356] close(21 [pid 6355] close(11 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] close(29 [pid 5076] getdents64(3, [pid 6356] close(22 [pid 6355] close(12 [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... openat resumed>) = 3 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6356] close(23 [pid 6355] close(13 [pid 6353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] fstat(3, [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6353] exit_group(0 [pid 5076] lstat("./97/binderfs", [pid 6357] <... futex resumed>) = ? [pid 6356] close(24 [pid 6355] close(14 [pid 6353] <... exit_group resumed>) = ? [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6357] +++ exited with 0 +++ [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] unlink("./97/binderfs" [pid 6356] close(25 [pid 6355] close(15 [pid 6353] +++ exited with 0 +++ [pid 5076] <... unlink resumed>) = 0 [pid 5074] getdents64(3, [pid 6361] <... write resumed>) = 2097152 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./97/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6361] munmap(0x7f7a51cd9000, 2097152 [pid 6356] close(26 [pid 6355] close(16 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, 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] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] lstat("./97/cgroup", [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6356] close(27 [pid 6355] close(17 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] lstat("./98/binderfs", [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] unlink("./97/cgroup" [pid 6356] close(28 [pid 6355] close(18 [pid 5078] <... openat resumed>) = 3 [pid 5076] <... unlink resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6361] <... munmap resumed>) = 0 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] fstat(3, [pid 5076] umount2("./97/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./98/binderfs" [pid 6361] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6356] close(29 [pid 6355] close(19 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... unlink resumed>) = 0 [pid 6361] <... openat resumed>) = 4 [pid 6356] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(3, [pid 5074] umount2("./98/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6361] ioctl(4, LOOP_SET_FD, 3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6361] <... ioctl resumed>) = 0 [pid 6356] exit_group(0 [pid 6355] close(20 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] lstat("./97/cgroup.net", [pid 5074] lstat("./98/cgroup", [pid 6358] <... futex resumed>) = ? [pid 6356] <... exit_group resumed>) = ? [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6358] +++ exited with 0 +++ [pid 5074] unlink("./98/cgroup" [pid 6355] close(21 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... unlink resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./103/binderfs", [pid 5074] umount2("./98/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6356] +++ exited with 0 +++ [pid 6355] close(22 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] unlink("./97/cgroup.net" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./103/binderfs" [pid 5074] lstat("./98/cgroup.net", [pid 6355] close(23 [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./103/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./98/cgroup.net" [pid 6355] close(24 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... unlink resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./103/cgroup", [pid 5074] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6355] close(25 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./103/cgroup" [pid 6355] close(26 [pid 5078] <... unlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./103/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6355] close(27 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./103/cgroup.net", [pid 6361] close(3 [pid 6355] close(28 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6361] <... close resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./103/cgroup.net" [pid 6361] mkdir("./file0", 0777 [pid 6355] close(29 [pid 5078] <... unlink resumed>) = 0 [pid 6361] <... mkdir resumed>) = 0 [pid 6355] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6361] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6355] exit_group(0 [pid 5075] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6359] <... futex resumed>) = ? [pid 6355] <... exit_group resumed>) = ? [pid 6359] +++ exited with 0 +++ [pid 6355] +++ exited with 0 +++ [pid 5075] <... openat resumed>) = 3 [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5075] fstat(3, [pid 5077] restart_syscall(<... resuming interrupted clone ...> [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... restart_syscall resumed>) = 0 [pid 5075] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5077] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] fstat(3, [pid 5075] lstat("./99/binderfs", [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] getdents64(3, [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] unlink("./99/binderfs" [ 175.742999][ T6361] loop2: detected capacity change from 0 to 4096 [pid 5077] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] <... unlink resumed>) = 0 [pid 5077] lstat("./100/binderfs", [pid 5075] umount2("./99/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] unlink("./100/binderfs" [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... unlink resumed>) = 0 [pid 5077] umount2("./100/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] lstat("./99/cgroup", [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./100/cgroup", [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] unlink("./99/cgroup" [pid 5077] unlink("./100/cgroup") = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5077] umount2("./100/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./99/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] lstat("./100/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] <... umount2 resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = 0 [pid 5077] unlink("./100/cgroup.net") = 0 [pid 5075] lstat("./99/cgroup.net", [pid 5077] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./98/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./98/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] unlink("./99/cgroup.net" [pid 5074] <... openat resumed>) = 4 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] lstat("./97/file0", [pid 5075] <... unlink resumed>) = 0 [pid 5074] getdents64(4, [pid 5075] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] close(4 [pid 5076] openat(AT_FDCWD, "./97/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... close resumed>) = 0 [pid 5076] <... openat resumed>) = 4 [pid 5074] rmdir("./98/file0" [pid 5076] fstat(4, [pid 5074] <... rmdir resumed>) = 0 [pid 5074] umount2("./98/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = 0 [pid 5077] <... umount2 resumed>) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./98/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] unlink("./98/cgroup.cpu" [pid 5076] getdents64(4, [pid 5074] <... unlink resumed>) = 0 [pid 5074] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 [pid 5078] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] close(3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] getdents64(4, [pid 5074] <... close resumed>) = 0 [pid 5078] lstat("./103/file0", [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] rmdir("./98" [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] close(4 [pid 5074] <... rmdir resumed>) = 0 [pid 5078] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... close resumed>) = 0 [pid 5074] mkdir("./99", 0777 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] rmdir("./97/file0" [pid 5074] <... mkdir resumed>) = 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) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6362 attached [pid 6362] set_robust_list(0x5555562845e0, 24 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 200 [pid 6362] <... set_robust_list resumed>) = 0 [pid 6361] <... mount resumed>) = 0 [pid 6362] chdir("./99") = 0 [pid 6361] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6361] <... openat resumed>) = 3 [pid 5076] <... rmdir resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./103/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] umount2("./97/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6362] <... prctl resumed>) = 0 [pid 6361] chdir("./file0" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6362] setpgid(0, 0 [pid 5078] <... openat resumed>) = 4 [pid 5076] lstat("./97/cgroup.cpu", [pid 6362] <... setpgid resumed>) = 0 [pid 6361] <... chdir resumed>) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6362] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6361] ioctl(4, LOOP_CLR_FD [pid 5078] fstat(4, [pid 5076] unlink("./97/cgroup.cpu" [pid 6362] <... symlink resumed>) = 0 [pid 6361] <... ioctl resumed>) = 0 [pid 6362] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6361] close(4 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... unlink resumed>) = 0 [pid 6362] <... symlink resumed>) = 0 [pid 6361] <... close resumed>) = 0 [pid 5078] getdents64(4, [pid 5076] getdents64(3, [pid 6362] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6361] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6362] <... symlink resumed>) = 0 [pid 6361] <... futex resumed>) = 1 [pid 6360] <... futex resumed>) = 0 [pid 5078] getdents64(4, [pid 5077] lstat("./100/file0", [pid 5076] close(3 [pid 6362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6361] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... close resumed>) = 0 [pid 6362] <... openat resumed>) = 3 [pid 6361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] <... futex resumed>) = 0 [pid 5078] close(4 [pid 5077] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] rmdir("./97" [pid 6362] write(3, "1000", 4 [pid 6361] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6360] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... close resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6362] <... write resumed>) = 4 [pid 6361] <... mkdirat resumed>) = 0 [pid 5078] rmdir("./103/file0" [pid 5077] openat(AT_FDCWD, "./100/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... rmdir resumed>) = 0 [pid 6362] close(3 [pid 6361] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... openat resumed>) = 4 [pid 6362] <... close resumed>) = 0 [pid 6361] <... futex resumed>) = 1 [pid 6360] <... futex resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5077] fstat(4, [pid 5076] mkdir("./98", 0777 [pid 6362] symlink("/dev/binderfs", "./binderfs" [pid 6361] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] umount2("./103/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6362] <... symlink resumed>) = 0 [pid 6361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6360] <... futex resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] getdents64(4, [pid 5076] <... mkdir resumed>) = 0 [pid 6362] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6361] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6360] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] lstat("./103/cgroup.cpu", [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6362] <... futex resumed>) = 0 [pid 6361] <... symlinkat resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] getdents64(4, [pid 6362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6361] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] unlink("./103/cgroup.cpu" [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] <... openat resumed>) = 3 [pid 6362] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6361] <... futex resumed>) = 1 [pid 6360] <... futex resumed>) = 0 [pid 5077] close(4 [pid 6362] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6361] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6360] close(3 [pid 5078] <... unlink resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5076] ioctl(3, LOOP_CLR_FD [pid 6362] <... mprotect resumed>) = 0 [pid 6360] <... close resumed>) = 0 [pid 5078] getdents64(3, [pid 5077] rmdir("./100/file0" [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] <... umount2 resumed>) = 0 [pid 6362] 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 6360] close(4 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] close(3 [pid 5075] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6363 attached [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(3 [pid 5077] umount2("./100/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... close resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6363] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6362] <... clone resumed>, parent_tid=[201], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 201 [pid 6360] close(5 [pid 5078] <... close resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] lstat("./99/file0", [pid 6363] <... set_robust_list resumed>) = 0 [pid 6362] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] rmdir("./103" [pid 5077] lstat("./100/cgroup.cpu", [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6362] <... futex resumed>) = 0 [pid 6360] close(6 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6364 attached [pid 6362] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./100/cgroup.cpu" [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6364] set_robust_list(0x5555562845e0, 24 [pid 6360] close(7 [pid 5077] <... unlink resumed>) = 0 [pid 5075] openat(AT_FDCWD, "./99/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6363] memfd_create("syzkaller", 0 [pid 6364] <... set_robust_list resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... rmdir resumed>) = 0 [pid 5077] getdents64(3, [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 198 [pid 5075] <... openat resumed>) = 4 [pid 6364] chdir("./98" [pid 6363] <... memfd_create resumed>) = 3 [pid 6360] close(8 [pid 5078] mkdir("./104", 0777 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] fstat(4, [pid 6364] <... chdir resumed>) = 0 [pid 6363] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(3 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6363] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6360] close(9 [pid 5078] <... mkdir resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5075] getdents64(4, [pid 6364] <... prctl resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5077] rmdir("./100" [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6364] setpgid(0, 0 [pid 6360] close(10 [pid 5078] <... openat resumed>) = 3 [pid 5077] <... rmdir resumed>) = 0 [pid 5075] getdents64(4, [pid 6364] <... setpgid resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5077] mkdir("./101", 0777 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6364] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6360] close(11 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5077] <... mkdir resumed>) = 0 [pid 5075] close(4 [pid 6364] <... symlink resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(3 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5075] <... close resumed>) = 0 [pid 6364] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6360] close(12 [pid 5078] <... close resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 5075] rmdir("./99/file0" [pid 6364] <... symlink resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5075] <... rmdir resumed>) = 0 [pid 6364] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6360] close(13 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] umount2("./99/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6364] <... symlink resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(3 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6365 attached [pid 6364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6360] close(14 [pid 5077] <... close resumed>) = 0 [pid 5075] lstat("./99/cgroup.cpu", [pid 6365] set_robust_list(0x5555562845e0, 24 [pid 6364] <... openat resumed>) = 3 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6366 attached [pid 6365] <... set_robust_list resumed>) = 0 [pid 6364] write(3, "1000", 4 [pid 6360] close(15 [pid 5075] unlink("./99/cgroup.cpu" [pid 6366] set_robust_list(0x5555562845e0, 24 [pid 6365] chdir("./104" [pid 6364] <... write resumed>) = 4 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 210 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 204 [pid 5075] <... unlink resumed>) = 0 [pid 6366] <... set_robust_list resumed>) = 0 [pid 6365] <... chdir resumed>) = 0 [pid 6364] close(3 [pid 6360] close(16 [pid 5075] getdents64(3, [pid 6366] chdir("./101" [pid 6365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6364] <... close resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6366] <... chdir resumed>) = 0 [pid 6365] <... prctl resumed>) = 0 [pid 6364] symlink("/dev/binderfs", "./binderfs" [pid 6360] close(17 [pid 5075] close(3 [pid 6366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6365] setpgid(0, 0 [pid 6364] <... symlink resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... close resumed>) = 0 [pid 6366] <... prctl resumed>) = 0 [pid 6365] <... setpgid resumed>) = 0 [pid 6364] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] close(18 [pid 5075] rmdir("./99" [pid 6366] setpgid(0, 0 [pid 6365] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6364] <... futex resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... rmdir resumed>) = 0 [pid 6366] <... setpgid resumed>) = 0 [pid 6365] <... symlink resumed>) = 0 [pid 6364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6360] close(19 [pid 5075] mkdir("./100", 0777 [pid 6366] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6365] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6364] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... mkdir resumed>) = 0 [pid 6366] <... symlink resumed>) = 0 [pid 6365] <... symlink resumed>) = 0 [pid 6364] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6360] close(20 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6366] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6365] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6364] <... mprotect resumed>) = 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... openat resumed>) = 3 [pid 6366] <... symlink resumed>) = 0 [pid 6365] <... symlink resumed>) = 0 [pid 6364] 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 6360] close(21 [pid 5075] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6367 attached [pid 6366] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6367] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6366] <... symlink resumed>) = 0 [pid 6365] <... openat resumed>) = 3 [pid 6364] <... clone resumed>, parent_tid=[199], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 199 [pid 6360] close(22 [pid 5075] close(3 [pid 6367] <... set_robust_list resumed>) = 0 [pid 6366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6365] write(3, "1000", 4 [pid 6364] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... close resumed>) = 0 [pid 6367] memfd_create("syzkaller", 0 [pid 6366] <... openat resumed>) = 3 [pid 6365] <... write resumed>) = 4 [pid 6364] <... futex resumed>) = 0 [pid 6363] 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 6360] close(23 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6368 attached [pid 6367] <... memfd_create resumed>) = 3 [pid 6366] write(3, "1000", 4 [pid 6365] close(3 [pid 6364] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] set_robust_list(0x5555562845e0, 24 [pid 6367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6366] <... write resumed>) = 4 [pid 6365] <... close resumed>) = 0 [pid 6360] close(24 [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 202 [pid 6368] <... set_robust_list resumed>) = 0 [pid 6367] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6366] close(3 [pid 6365] symlink("/dev/binderfs", "./binderfs" [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] chdir("./100" [pid 6366] <... close resumed>) = 0 [pid 6365] <... symlink resumed>) = 0 [pid 6360] close(25 [pid 6368] <... chdir resumed>) = 0 [pid 6366] symlink("/dev/binderfs", "./binderfs" [pid 6365] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6366] <... symlink resumed>) = 0 [pid 6365] <... futex resumed>) = 0 [pid 6360] close(26 [pid 6368] <... prctl resumed>) = 0 [pid 6366] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] setpgid(0, 0 [pid 6366] <... futex resumed>) = 0 [pid 6365] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6360] close(27 [pid 6368] <... setpgid resumed>) = 0 [pid 6366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6365] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6366] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6365] <... mprotect resumed>) = 0 [pid 6360] close(28 [pid 6368] <... symlink resumed>) = 0 [pid 6366] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6365] 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 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6369 attached [pid 6368] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6366] <... mprotect resumed>) = 0 [pid 6360] close(29 [pid 6369] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6368] <... symlink resumed>) = 0 [pid 6366] 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 6365] <... clone resumed>, parent_tid=[211], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 211 [pid 6360] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6370 attached [pid 6369] <... set_robust_list resumed>) = 0 [pid 6368] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6365] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6360] exit_group(0 [pid 6370] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6368] <... symlink resumed>) = 0 [pid 6366] <... clone resumed>, parent_tid=[205], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 205 [pid 6365] <... futex resumed>) = 0 [pid 6361] <... futex resumed>) = ? [pid 6360] <... exit_group resumed>) = ? [pid 6370] <... set_robust_list resumed>) = 0 [pid 6369] memfd_create("syzkaller", 0 [pid 6368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6366] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6361] +++ exited with 0 +++ [pid 6360] +++ exited with 0 +++ [pid 6370] memfd_create("syzkaller", 0 [pid 6368] <... openat resumed>) = 3 [pid 6366] <... futex resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6370] <... memfd_create resumed>) = 3 [pid 6368] write(3, "1000", 4 [pid 6366] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6368] <... write resumed>) = 4 [pid 6370] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6368] close(3 [pid 5079] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6369] <... memfd_create resumed>) = 3 [pid 6368] <... close resumed>) = 0 [pid 6367] 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 resumed>) = -1 EINVAL (Invalid argument) [pid 6368] symlink("/dev/binderfs", "./binderfs" [pid 5079] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6369] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6368] <... symlink resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 6368] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] fstat(3, [pid 6368] <... futex resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] getdents64(3, [pid 6368] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6369] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6368] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6368] <... mprotect resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6368] 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("./105/binderfs", ./strace-static-x86_64: Process 6371 attached {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6371] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6368] <... clone resumed>, parent_tid=[203], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 203 [pid 5079] unlink("./105/binderfs" [pid 6371] <... set_robust_list resumed>) = 0 [pid 6368] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... unlink resumed>) = 0 [pid 6371] memfd_create("syzkaller", 0 [pid 6368] <... futex resumed>) = 0 [pid 5079] umount2("./105/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6371] <... memfd_create resumed>) = 3 [pid 6368] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6371] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5079] lstat("./105/cgroup", [pid 6371] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] unlink("./105/cgroup") = 0 [pid 5079] umount2("./105/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./105/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./105/cgroup.net") = 0 [pid 5079] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6363] <... write resumed>) = 2097152 [pid 6370] 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 6363] munmap(0x7f7a51cd9000, 2097152) = 0 [pid 6363] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6363] ioctl(4, LOOP_SET_FD, 3 [pid 6371] 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 resumed>) = 0 [pid 5079] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./105/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./105/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5079] getdents64(4, [pid 6363] <... ioctl resumed>) = 0 [pid 6363] close(3) = 0 [pid 6363] mkdir("./file0", 0777) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6369] 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 6367] <... write resumed>) = 2097152 [pid 5079] close(4 [pid 6363] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5079] <... close resumed>) = 0 [pid 5079] rmdir("./105/file0") = 0 [pid 5079] umount2("./105/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./105/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./105/cgroup.cpu") = 0 [pid 5079] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 [pid 5079] close(3) = 0 [ 176.159713][ T6363] loop0: detected capacity change from 0 to 4096 [pid 5079] rmdir("./105" [pid 6370] <... write resumed>) = 2097152 [pid 5079] <... rmdir resumed>) = 0 [pid 5079] mkdir("./106", 0777) = 0 [pid 6367] munmap(0x7f7a51cd9000, 2097152 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6367] <... munmap 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 [pid 6371] <... write resumed>) = 2097152 [pid 6370] munmap(0x7f7a51cd9000, 2097152 [pid 5079] <... close resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6372 attached , child_tidptr=0x5555562845d0) = 214 [pid 6367] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6372] set_robust_list(0x5555562845e0, 24) = 0 [pid 6367] <... openat resumed>) = 4 [pid 6372] chdir("./106" [pid 6367] ioctl(4, LOOP_SET_FD, 3 [pid 6372] <... chdir resumed>) = 0 [pid 6370] <... munmap resumed>) = 0 [pid 6372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6370] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6372] setpgid(0, 0) = 0 [pid 6372] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6372] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6370] ioctl(4, LOOP_SET_FD, 3 [pid 6372] <... symlink resumed>) = 0 [pid 6372] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6371] munmap(0x7f7a51cd9000, 2097152 [pid 6372] <... symlink resumed>) = 0 [pid 6372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6370] <... ioctl resumed>) = 0 [pid 6369] <... write resumed>) = 2097152 [pid 6367] <... ioctl resumed>) = 0 [pid 6372] write(3, "1000", 4 [pid 6370] close(3 [pid 6369] munmap(0x7f7a51cd9000, 2097152 [pid 6367] close(3 [pid 6372] <... write resumed>) = 4 [pid 6371] <... munmap resumed>) = 0 [pid 6370] <... close resumed>) = 0 [pid 6363] <... mount resumed>) = 0 [pid 6367] <... close resumed>) = 0 [pid 6372] close(3 [pid 6370] mkdir("./file0", 0777 [pid 6367] mkdir("./file0", 0777 [pid 6372] <... close resumed>) = 0 [pid 6371] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6363] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6371] <... openat resumed>) = 4 [pid 6370] <... mkdir resumed>) = 0 [pid 6363] <... openat resumed>) = 3 [pid 6371] ioctl(4, LOOP_SET_FD, 3 [pid 6363] chdir("./file0" [ 176.251205][ T6367] loop4: detected capacity change from 0 to 4096 [ 176.270972][ T6370] loop5: detected capacity change from 0 to 4096 [pid 6372] symlink("/dev/binderfs", "./binderfs" [pid 6370] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6369] <... munmap resumed>) = 0 [pid 6367] <... mkdir resumed>) = 0 [pid 6363] <... chdir resumed>) = 0 [pid 6372] <... symlink resumed>) = 0 [pid 6369] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6367] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6372] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] <... openat resumed>) = 4 [pid 6372] <... futex resumed>) = 0 [pid 6369] ioctl(4, LOOP_SET_FD, 3 [pid 6372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6371] <... ioctl resumed>) = 0 [pid 6363] ioctl(4, LOOP_CLR_FD [pid 6371] close(3 [pid 6363] <... ioctl resumed>) = 0 [pid 6371] <... close resumed>) = 0 [pid 6363] close(4 [pid 6371] mkdir("./file0", 0777 [pid 6363] <... close resumed>) = 0 [pid 6371] <... mkdir resumed>) = 0 [pid 6363] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6371] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6363] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 0 [pid 6363] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6362] <... futex resumed>) = 0 [pid 6363] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6362] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6369] <... ioctl resumed>) = 0 [pid 6369] close(3) = 0 [pid 6369] mkdir("./file0", 0777) = 0 [pid 6363] <... mkdirat resumed>) = 0 [pid 6372] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6369] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6363] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6363] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 0 [pid 6372] <... mprotect resumed>) = 0 [pid 6363] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] 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 6363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6362] <... futex resumed>) = 0 [pid 6363] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6362] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6373 attached [pid 6373] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6372] <... clone resumed>, parent_tid=[215], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 215 [pid 6373] <... set_robust_list resumed>) = 0 [pid 6372] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6363] <... symlinkat resumed>) = 0 [pid 6373] memfd_create("syzkaller", 0 [pid 6372] <... futex resumed>) = 0 [pid 6363] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6373] <... memfd_create resumed>) = 3 [pid 6372] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6363] <... futex resumed>) = 1 [pid 6362] <... futex resumed>) = 0 [ 176.300101][ T6371] loop3: detected capacity change from 0 to 4096 [ 176.311729][ T6369] loop1: detected capacity change from 0 to 4096 [pid 6373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6363] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6362] close(3 [pid 6373] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6362] <... close resumed>) = 0 [pid 6362] close(4) = -1 EBADF (Bad file descriptor) [pid 6362] close(5) = -1 EBADF (Bad file descriptor) [pid 6362] close(6) = -1 EBADF (Bad file descriptor) [pid 6362] close(7) = -1 EBADF (Bad file descriptor) [pid 6362] close(8) = -1 EBADF (Bad file descriptor) [pid 6362] close(9) = -1 EBADF (Bad file descriptor) [pid 6362] close(10) = -1 EBADF (Bad file descriptor) [pid 6362] close(11) = -1 EBADF (Bad file descriptor) [pid 6362] close(12) = -1 EBADF (Bad file descriptor) [pid 6362] close(13) = -1 EBADF (Bad file descriptor) [pid 6362] close(14 [pid 6369] <... mount resumed>) = 0 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6362] close(15 [pid 6370] <... mount resumed>) = 0 [pid 6369] <... openat resumed>) = 3 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6369] chdir("./file0" [pid 6362] close(16 [pid 6370] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6371] <... mount resumed>) = 0 [pid 6369] <... chdir resumed>) = 0 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6369] ioctl(4, LOOP_CLR_FD [pid 6362] close(17 [pid 6371] <... openat resumed>) = 3 [pid 6369] <... ioctl resumed>) = 0 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] chdir("./file0" [pid 6369] close(4 [pid 6362] close(18 [pid 6371] <... chdir resumed>) = 0 [pid 6370] <... openat resumed>) = 3 [pid 6369] <... close resumed>) = 0 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] ioctl(4, LOOP_CLR_FD [pid 6369] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] close(19 [pid 6371] <... ioctl resumed>) = 0 [pid 6369] <... futex resumed>) = 1 [pid 6365] <... futex resumed>) = 0 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] close(4 [pid 6369] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6365] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] close(20 [pid 6371] <... close resumed>) = 0 [pid 6369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6365] <... futex resumed>) = 0 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6365] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] close(21 [pid 6371] <... futex resumed>) = 1 [pid 6368] <... futex resumed>) = 0 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] close(22 [pid 6371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6368] <... futex resumed>) = 0 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6368] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] close(23) = -1 EBADF (Bad file descriptor) [pid 6362] close(24 [pid 6371] <... mkdirat resumed>) = 0 [pid 6369] <... mkdirat resumed>) = 0 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] close(25 [pid 6371] <... futex resumed>) = 1 [pid 6369] <... futex resumed>) = 1 [pid 6368] <... futex resumed>) = 0 [pid 6365] <... futex resumed>) = 0 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6369] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] close(26 [pid 6371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6368] <... futex resumed>) = 0 [pid 6365] <... futex resumed>) = 0 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6370] chdir("./file0" [pid 6371] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6369] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6368] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6362] close(27) = -1 EBADF (Bad file descriptor) [pid 6362] close(28 [pid 6371] <... symlinkat resumed>) = 0 [pid 6370] <... chdir resumed>) = 0 [pid 6369] <... symlinkat resumed>) = 0 [pid 6367] <... mount resumed>) = 0 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6369] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6362] close(29 [pid 6371] <... futex resumed>) = 1 [pid 6370] ioctl(4, LOOP_CLR_FD [pid 6369] <... futex resumed>) = 1 [pid 6368] <... futex resumed>) = 0 [pid 6367] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6365] <... futex resumed>) = 0 [pid 6362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6371] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6369] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] close(3 [pid 6365] close(3 [pid 6362] exit_group(0 [pid 6370] <... ioctl resumed>) = 0 [pid 6368] <... close resumed>) = 0 [pid 6367] <... openat resumed>) = 3 [pid 6365] <... close resumed>) = 0 [pid 6363] <... futex resumed>) = ? [pid 6362] <... exit_group resumed>) = ? [pid 6370] close(4 [pid 6368] close(4 [pid 6367] chdir("./file0" [pid 6365] close(4 [pid 6363] +++ exited with 0 +++ [pid 6362] +++ exited with 0 +++ [pid 6373] 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 6370] <... close resumed>) = 0 [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] close(5 [pid 6365] close(5 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6370] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... chdir resumed>) = 0 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 6370] <... futex resumed>) = 1 [pid 6368] close(6 [pid 6367] ioctl(4, LOOP_CLR_FD [pid 6366] <... futex resumed>) = 0 [pid 6365] close(6 [pid 5074] <... restart_syscall resumed>) = 0 [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] close(7 [pid 6366] <... futex resumed>) = 0 [pid 6365] close(7 [pid 6370] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... ioctl resumed>) = 0 [pid 6366] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6368] close(8 [pid 6367] close(4 [pid 6365] close(8 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... close resumed>) = 0 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6370] <... mkdirat resumed>) = 0 [pid 6368] close(9 [pid 6367] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] close(9 [pid 5074] <... openat resumed>) = 3 [pid 6370] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... futex resumed>) = 1 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6364] <... futex resumed>) = 0 [pid 5074] fstat(3, [pid 6370] <... futex resumed>) = 1 [pid 6368] close(10 [pid 6367] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6366] <... futex resumed>) = 0 [pid 6365] close(10 [pid 6364] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6370] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6367] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6368] close(11 [pid 6366] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6364] <... futex resumed>) = 0 [pid 5074] getdents64(3, [pid 6370] <... futex resumed>) = 0 [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... futex resumed>) = 1 [pid 6365] close(11 [pid 6364] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6368] close(12 [pid 6366] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] close(12 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6370] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6368] close(13 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./99/binderfs", [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] close(13 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6368] close(14 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] unlink("./99/binderfs" [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] close(14 [pid 5074] <... unlink resumed>) = 0 [pid 6368] close(15 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./99/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] close(15 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6368] close(16 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./99/cgroup", [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] close(16 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6373] <... write resumed>) = 2097152 [pid 6370] <... symlinkat resumed>) = 0 [pid 6368] close(17 [pid 6367] <... mkdirat resumed>) = 0 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] unlink("./99/cgroup" [pid 6373] munmap(0x7f7a51cd9000, 2097152 [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] close(17 [pid 6367] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... unlink resumed>) = 0 [pid 6370] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6368] close(18 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./99/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] close(18 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6373] <... munmap resumed>) = 0 [pid 6370] <... futex resumed>) = 1 [pid 6368] close(19 [pid 6367] <... futex resumed>) = 1 [pid 6366] <... futex resumed>) = 0 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6364] <... futex resumed>) = 0 [pid 5074] lstat("./99/cgroup.net", [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(3 [pid 6365] close(19 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6373] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6370] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6368] close(20 [pid 6367] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6366] <... close resumed>) = 0 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6364] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] unlink("./99/cgroup.net" [pid 6373] <... openat resumed>) = 4 [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... symlinkat resumed>) = 0 [pid 6366] close(4 [pid 6365] close(20 [pid 6364] <... futex resumed>) = 0 [pid 6373] ioctl(4, LOOP_SET_FD, 3 [pid 6368] close(21 [pid 6367] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6364] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... unlink resumed>) = 0 [pid 6373] <... ioctl resumed>) = 0 [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] <... futex resumed>) = 0 [pid 6366] close(5 [pid 6365] close(21 [pid 6364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6373] close(3 [pid 6368] close(22 [pid 6367] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6364] close(3 [pid 6373] <... close resumed>) = 0 [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6364] <... close resumed>) = 0 [pid 6373] mkdir("./file0", 0777 [pid 6368] close(23 [pid 6366] close(6 [pid 6365] close(22 [pid 6364] close(4) = -1 EBADF (Bad file descriptor) [pid 6364] close(5) = -1 EBADF (Bad file descriptor) [pid 6364] close(6) = -1 EBADF (Bad file descriptor) [pid 6364] close(7 [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6364] close(8) = -1 EBADF (Bad file descriptor) [pid 6364] close(9) = -1 EBADF (Bad file descriptor) [pid 6373] <... mkdir resumed>) = 0 [pid 6364] close(10 [pid 6366] close(7 [pid 6365] close(23 [pid 6364] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6368] close(24 [pid 6364] close(11) = -1 EBADF (Bad file descriptor) [pid 6364] close(12) = -1 EBADF (Bad file descriptor) [pid 6364] close(13) = -1 EBADF (Bad file descriptor) [pid 6364] close(14) = -1 EBADF (Bad file descriptor) [pid 6364] close(15) = -1 EBADF (Bad file descriptor) [pid 6364] close(16) = -1 EBADF (Bad file descriptor) [pid 6364] close(17) = -1 EBADF (Bad file descriptor) [pid 6364] close(18) = -1 EBADF (Bad file descriptor) [pid 6364] close(19) = -1 EBADF (Bad file descriptor) [pid 6364] close(20) = -1 EBADF (Bad file descriptor) [pid 6364] close(21) = -1 EBADF (Bad file descriptor) [pid 6364] close(22) = -1 EBADF (Bad file descriptor) [pid 6364] close(23) = -1 EBADF (Bad file descriptor) [pid 6364] close(24) = -1 EBADF (Bad file descriptor) [pid 6364] close(25) = -1 EBADF (Bad file descriptor) [pid 6364] close(26) = -1 EBADF (Bad file descriptor) [pid 6364] close(27) = -1 EBADF (Bad file descriptor) [pid 6364] close(28) = -1 EBADF (Bad file descriptor) [pid 6364] close(29) = -1 EBADF (Bad file descriptor) [pid 6364] exit_group(0 [pid 6367] <... futex resumed>) = ? [pid 6364] <... exit_group resumed>) = ? [pid 6373] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6367] +++ exited with 0 +++ [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6364] +++ exited with 0 +++ [pid 6368] close(25 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6366] close(8 [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] close(24 [pid 5076] umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6368] close(26 [pid 6366] close(9 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] close(25 [pid 5076] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6368] close(27 [pid 6366] close(10 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... openat resumed>) = 3 [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] close(26 [pid 5076] fstat(3, [pid 6368] close(28 [pid 6366] close(11 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] close(27 [pid 5076] getdents64(3, [pid 6368] close(29 [pid 6366] close(12 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] close(28 [pid 5076] umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6368] exit_group(0 [pid 6366] close(13 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6371] <... futex resumed>) = ? [pid 6368] <... exit_group resumed>) = ? [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] close(29 [pid 5076] lstat("./98/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] unlink("./98/binderfs") = 0 [pid 5076] umount2("./98/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./98/cgroup", [pid 6366] close(14 [pid 6365] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6365] exit_group(0 [pid 5076] unlink("./98/cgroup" [pid 6371] +++ exited with 0 +++ [pid 6369] <... futex resumed>) = ? [pid 6368] +++ exited with 0 +++ [pid 6366] close(15 [pid 6365] <... exit_group resumed>) = ? [pid 5076] <... unlink resumed>) = 0 [pid 6369] +++ exited with 0 +++ [pid 5076] umount2("./98/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./98/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] unlink("./98/cgroup.net") = 0 [pid 5076] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6365] +++ exited with 0 +++ [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(16 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 176.578490][ T6373] loop2: detected capacity change from 0 to 4096 [pid 6366] close(17 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6366] close(18 [pid 5078] <... restart_syscall resumed>) = 0 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6366] close(19 [pid 5076] <... umount2 resumed>) = 0 [pid 5075] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = 0 [pid 5075] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5075] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./100/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] unlink("./100/binderfs") = 0 [pid 5075] umount2("./100/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./100/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6366] close(20 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] unlink("./100/cgroup" [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... unlink resumed>) = 0 [pid 6366] close(21 [pid 5078] <... openat resumed>) = 3 [pid 5075] umount2("./100/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] fstat(3, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6366] close(22 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] lstat("./100/cgroup.net", [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6366] close(23 [pid 5078] getdents64(3, [pid 5075] unlink("./100/cgroup.net" [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... unlink resumed>) = 0 [pid 6366] close(24 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6366] close(25 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./104/binderfs", [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = 0 [pid 5074] lstat("./99/file0", [pid 6366] close(26 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./104/binderfs" [pid 5076] lstat("./98/file0", [pid 5074] <... 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 5076] umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5076] openat(AT_FDCWD, "./98/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5076] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] close(4) = 0 [pid 5076] rmdir("./98/file0") = 0 [pid 5076] umount2("./98/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6366] close(27 [pid 5076] lstat("./98/cgroup.cpu", [pid 5074] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6366] <... 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 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6366] close(28 [pid 5076] unlink("./98/cgroup.cpu" [pid 5074] openat(AT_FDCWD, "./99/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./104/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... unlink resumed>) = 0 [pid 6366] close(29 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] getdents64(3, [pid 5074] <... openat resumed>) = 4 [pid 6366] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./104/cgroup", [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] fstat(4, [pid 6366] exit_group(0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] close(3 [pid 6370] <... futex resumed>) = ? [pid 6366] <... exit_group resumed>) = ? [pid 5078] unlink("./104/cgroup" [pid 5076] <... close resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6370] +++ exited with 0 +++ [pid 5076] rmdir("./98") = 0 [pid 5075] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] mkdir("./99", 0777 [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... mkdir resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(4, [pid 6366] +++ exited with 0 +++ [pid 5078] umount2("./104/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... openat resumed>) = 3 [pid 5075] lstat("./100/file0", [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] lstat("./104/cgroup.net", [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5074] getdents64(4, [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] restart_syscall(<... resuming interrupted clone ...> [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] unlink("./104/cgroup.net" [pid 5077] <... restart_syscall resumed>) = 0 [pid 5076] close(3 [pid 5074] close(4 [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5075] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 ./strace-static-x86_64: Process 6374 attached [pid 5077] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] openat(AT_FDCWD, "./100/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] rmdir("./99/file0" [pid 6374] set_robust_list(0x5555562845e0, 24 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 200 [pid 5075] <... openat resumed>) = 4 [pid 6374] <... set_robust_list resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] fstat(4, [pid 6374] chdir("./99" [pid 5077] <... openat resumed>) = 3 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 6374] <... chdir resumed>) = 0 [pid 5077] fstat(3, [pid 5075] getdents64(4, [pid 5074] umount2("./99/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6374] <... prctl resumed>) = 0 [pid 5077] getdents64(3, [pid 5075] getdents64(4, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6374] setpgid(0, 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] lstat("./99/cgroup.cpu", [pid 6374] <... setpgid resumed>) = 0 [pid 5077] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] close(4 [pid 6374] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6373] <... mount resumed>) = 0 [pid 5078] <... umount2 resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... close resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6374] <... symlink resumed>) = 0 [pid 5077] lstat("./101/binderfs", [pid 5075] rmdir("./100/file0" [pid 6374] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6373] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5078] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 5074] unlink("./99/cgroup.cpu" [pid 6374] <... symlink resumed>) = 0 [pid 6373] <... openat resumed>) = 3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] unlink("./101/binderfs" [pid 5075] umount2("./100/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6374] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5077] <... unlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... unlink resumed>) = 0 [pid 6374] <... symlink resumed>) = 0 [pid 6373] chdir("./file0" [pid 5077] umount2("./101/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] lstat("./100/cgroup.cpu", [pid 6374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6373] <... chdir resumed>) = 0 [pid 5078] lstat("./104/file0", [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] getdents64(3, [pid 6374] <... openat resumed>) = 3 [pid 6373] ioctl(4, LOOP_CLR_FD [pid 5077] lstat("./101/cgroup", [pid 5075] unlink("./100/cgroup.cpu" [pid 6374] write(3, "1000", 4 [pid 6373] <... ioctl resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6374] <... write resumed>) = 4 [pid 6373] close(4 [pid 5077] unlink("./101/cgroup" [pid 5075] getdents64(3, [pid 5074] close(3 [pid 5078] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6374] close(3 [pid 6373] <... close resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] <... close resumed>) = 0 [pid 6374] <... close resumed>) = 0 [pid 6373] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] umount2("./101/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] close(3 [pid 5074] rmdir("./99" [pid 6374] symlink("/dev/binderfs", "./binderfs" [pid 6373] <... futex resumed>) = 1 [pid 6372] <... futex resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... close resumed>) = 0 [pid 6374] <... symlink resumed>) = 0 [pid 6373] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6372] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] openat(AT_FDCWD, "./104/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] lstat("./101/cgroup.net", [pid 5075] rmdir("./100" [pid 5074] <... rmdir resumed>) = 0 [pid 6374] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... futex resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 6374] <... futex resumed>) = 0 [pid 6372] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] unlink("./101/cgroup.net" [pid 5075] mkdir("./101", 0777 [pid 5074] mkdir("./100", 0777 [pid 6374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6373] <... mkdirat resumed>) = 0 [pid 5078] <... openat resumed>) = 4 [pid 5077] <... unlink resumed>) = 0 [pid 5075] <... mkdir resumed>) = 0 [pid 6374] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6373] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] fstat(4, [pid 5077] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5074] <... mkdir resumed>) = 0 [pid 6374] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6373] <... futex resumed>) = 1 [pid 6372] <... futex resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... umount2 resumed>) = 0 [pid 5075] <... openat resumed>) = 3 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6374] <... mprotect resumed>) = 0 [pid 6373] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6372] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] getdents64(4, [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6374] 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 6373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6372] <... futex resumed>) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6375 attached [pid 6373] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6372] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] getdents64(4, [pid 5075] close(3 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6375] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6374] <... clone resumed>, parent_tid=[201], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 201 [pid 5075] <... close resumed>) = 0 [pid 6375] <... set_robust_list resumed>) = 0 [pid 6374] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6375] memfd_create("syzkaller", 0 [pid 6374] <... futex resumed>) = 0 [pid 6373] <... symlinkat resumed>) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5077] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] close(3 [pid 6373] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] close(4 [pid 6372] <... futex resumed>) = 0 [pid 6373] <... futex resumed>) = 1 [pid 5074] <... close resumed>) = 0 [pid 6373] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6372] close(3 [pid 5078] <... close resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6372] <... close resumed>) = 0 [pid 5078] rmdir("./104/file0"./strace-static-x86_64: Process 6377 attached ./strace-static-x86_64: Process 6376 attached [pid 6375] <... memfd_create resumed>) = 3 [pid 6374] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] <... rmdir resumed>) = 0 [pid 6377] set_robust_list(0x5555562845e0, 24 [pid 6376] set_robust_list(0x5555562845e0, 24 [pid 6375] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6372] close(4 [pid 5078] umount2("./104/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 204 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 202 [pid 6377] <... set_robust_list resumed>) = 0 [pid 6376] <... set_robust_list resumed>) = 0 [pid 6375] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6377] chdir("./101" [pid 6376] chdir("./100" [pid 6377] <... chdir resumed>) = 0 [pid 6376] <... chdir resumed>) = 0 [pid 6372] close(5 [pid 5078] lstat("./104/cgroup.cpu", [pid 6376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] <... prctl resumed>) = 0 [pid 6372] close(6 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6376] setpgid(0, 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./104/cgroup.cpu" [pid 6376] <... setpgid resumed>) = 0 [pid 6372] close(7 [pid 6377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6377] <... prctl resumed>) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5077] lstat("./101/file0", [pid 6377] setpgid(0, 0 [pid 6376] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6372] close(8 [pid 5078] getdents64(3, [pid 6377] <... setpgid resumed>) = 0 [pid 6376] <... symlink resumed>) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6377] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6376] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6372] close(9 [pid 5077] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6377] <... symlink resumed>) = 0 [pid 5078] close(3 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6377] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5077] openat(AT_FDCWD, "./101/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6377] <... symlink resumed>) = 0 [pid 6376] <... symlink resumed>) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... openat resumed>) = 4 [pid 6377] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6376] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6372] close(10 [pid 5078] <... close resumed>) = 0 [pid 5077] fstat(4, [pid 6377] <... symlink resumed>) = 0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] getdents64(4, [pid 6377] <... openat resumed>) = 3 [pid 6376] <... symlink resumed>) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] rmdir("./104" [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6377] write(3, "1000", 4 [pid 6376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6372] close(11 [pid 5078] <... rmdir resumed>) = 0 [pid 5077] getdents64(4, [pid 6377] <... write resumed>) = 4 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6377] close(3 [pid 5077] close(4 [pid 6377] <... close resumed>) = 0 [pid 6376] <... openat resumed>) = 3 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] mkdir("./105", 0777 [pid 5077] <... close resumed>) = 0 [pid 6377] symlink("/dev/binderfs", "./binderfs" [pid 6376] write(3, "1000", 4 [pid 6372] close(12 [pid 5078] <... mkdir resumed>) = 0 [pid 5077] rmdir("./101/file0" [pid 6377] <... symlink resumed>) = 0 [pid 6376] <... write resumed>) = 4 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5077] <... rmdir resumed>) = 0 [pid 6377] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] umount2("./101/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6377] <... futex resumed>) = 0 [pid 6376] close(3 [pid 6372] close(13 [pid 5078] <... openat resumed>) = 3 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6376] <... close resumed>) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5077] lstat("./101/cgroup.cpu", [pid 6377] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6376] symlink("/dev/binderfs", "./binderfs" [pid 6372] close(14 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6377] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6376] <... symlink resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6377] <... mprotect resumed>) = 0 [pid 6376] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(3 [pid 5077] unlink("./101/cgroup.cpu" [pid 6377] 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 6376] <... futex resumed>) = 0 [pid 6372] close(15 [pid 5078] <... close resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6378 attached [pid 6376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] getdents64(3, [pid 6378] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6377] <... clone resumed>, parent_tid=[205], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 205 [pid 6376] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6378] <... set_robust_list resumed>) = 0 [pid 6377] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] close(16 [pid 5077] close(3./strace-static-x86_64: Process 6379 attached [pid 6378] memfd_create("syzkaller", 0 [pid 6377] <... futex resumed>) = 0 [pid 6376] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... close resumed>) = 0 [pid 6379] set_robust_list(0x5555562845e0, 24 [pid 6378] <... memfd_create resumed>) = 3 [pid 6377] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6376] <... mprotect resumed>) = 0 [pid 6372] close(17 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 212 [pid 5077] rmdir("./101" [pid 6379] <... set_robust_list resumed>) = 0 [pid 6378] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6376] 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 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... rmdir resumed>) = 0 [pid 6379] chdir("./105" [pid 6378] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5077] mkdir("./102", 0777./strace-static-x86_64: Process 6380 attached [pid 6379] <... chdir resumed>) = 0 [pid 6375] 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 6372] close(18 [pid 5077] <... mkdir resumed>) = 0 [pid 6380] set_robust_list(0x7f7a5a0f99e0, 24 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6380] <... set_robust_list resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 6379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6376] <... clone resumed>, parent_tid=[203], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 203 [pid 6380] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [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 6381 attached [pid 6379] <... prctl resumed>) = 0 [pid 6376] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] set_robust_list(0x5555562845e0, 24 [pid 6380] <... futex resumed>) = 0 [pid 6379] setpgid(0, 0 [pid 6376] <... futex resumed>) = 1 [pid 6372] close(19 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 206 [pid 6381] <... set_robust_list resumed>) = 0 [pid 6380] memfd_create("syzkaller", 0 [pid 6379] <... setpgid resumed>) = 0 [pid 6376] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] chdir("./102" [pid 6380] <... memfd_create resumed>) = 3 [pid 6379] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6372] close(20 [pid 6381] <... chdir resumed>) = 0 [pid 6380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6379] <... symlink resumed>) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6380] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6381] <... prctl resumed>) = 0 [pid 6379] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6372] close(21 [pid 6381] setpgid(0, 0 [pid 6379] <... symlink resumed>) = 0 [pid 6378] 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 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... setpgid resumed>) = 0 [pid 6379] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6381] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6379] <... symlink resumed>) = 0 [pid 6372] close(22 [pid 6381] <... symlink resumed>) = 0 [pid 6379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6381] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... symlink resumed>) = 0 [pid 6379] <... openat resumed>) = 3 [pid 6372] close(23 [pid 6381] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6379] write(3, "1000", 4 [pid 6375] <... write resumed>) = 2097152 [pid 6381] <... symlink resumed>) = 0 [pid 6379] <... write resumed>) = 4 [pid 6375] munmap(0x7f7a51cd9000, 2097152 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6379] close(3 [pid 6372] close(24 [pid 6381] write(3, "1000", 4) = 4 [pid 6381] close(3) = 0 [pid 6381] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6381] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6381] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6381] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6375] <... munmap resumed>) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] <... mprotect resumed>) = 0 [pid 6379] <... close resumed>) = 0 [pid 6381] 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 6379] symlink("/dev/binderfs", "./binderfs" [pid 6372] close(25./strace-static-x86_64: Process 6382 attached [pid 6382] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6381] <... clone resumed>, parent_tid=[207], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 207 [pid 6379] <... symlink resumed>) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] <... set_robust_list resumed>) = 0 [pid 6381] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6382] memfd_create("syzkaller", 0 [pid 6381] <... futex resumed>) = 0 [pid 6379] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6372] close(26 [pid 6382] <... memfd_create resumed>) = 3 [pid 6381] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6379] <... futex resumed>) = 0 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6382] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 6379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6372] close(27 [pid 6375] <... openat resumed>) = 4 [pid 6379] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6372] close(28 [pid 6379] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6375] ioctl(4, LOOP_SET_FD, 3 [pid 6372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... mprotect resumed>) = 0 [pid 6372] close(29) = -1 EBADF (Bad file descriptor) [pid 6380] 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 6379] 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 6372] exit_group(0./strace-static-x86_64: Process 6383 attached [pid 6373] <... futex resumed>) = ? [pid 6372] <... exit_group resumed>) = ? [pid 6383] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6379] <... clone resumed>, parent_tid=[213], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 213 [pid 6373] +++ exited with 0 +++ [pid 6372] +++ exited with 0 +++ [pid 6383] <... set_robust_list resumed>) = 0 [pid 6379] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6379] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6383] memfd_create("syzkaller", 0) = 3 [pid 6383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6382] 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 6375] <... ioctl resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 6383] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6378] <... write resumed>) = 2097152 [pid 6375] close(3 [pid 6378] munmap(0x7f7a51cd9000, 2097152 [pid 6375] <... close resumed>) = 0 [pid 6375] mkdir("./file0", 0777) = 0 [pid 5079] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6375] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5079] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5079] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./106/binderfs", [pid 6378] <... munmap resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./106/binderfs") = 0 [pid 6382] <... write resumed>) = 2097152 [pid 6382] munmap(0x7f7a51cd9000, 2097152 [ 176.997980][ T6375] loop4: detected capacity change from 0 to 4096 [pid 5079] umount2("./106/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./106/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6378] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5079] unlink("./106/cgroup") = 0 [pid 6378] <... openat resumed>) = 4 [pid 5079] umount2("./106/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6378] ioctl(4, LOOP_SET_FD, 3 [pid 5079] lstat("./106/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./106/cgroup.net" [pid 6382] <... munmap resumed>) = 0 [pid 6382] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6382] ioctl(4, LOOP_SET_FD, 3 [pid 5079] <... unlink resumed>) = 0 [pid 5079] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6382] <... ioctl resumed>) = 0 [pid 6382] close(3) = 0 [pid 6382] mkdir("./file0", 0777 [pid 6380] <... write resumed>) = 2097152 [pid 6380] munmap(0x7f7a51cd9000, 2097152 [pid 6378] <... ioctl resumed>) = 0 [pid 6378] close(3 [pid 6382] <... mkdir resumed>) = 0 [pid 6378] <... close resumed>) = 0 [pid 6378] mkdir("./file0", 0777 [pid 6382] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6378] <... mkdir resumed>) = 0 [pid 6378] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6380] <... munmap resumed>) = 0 [ 177.065095][ T6378] loop3: detected capacity change from 0 to 4096 [ 177.067385][ T6382] loop5: detected capacity change from 0 to 4096 [pid 6380] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6380] ioctl(4, LOOP_SET_FD, 3 [pid 5079] <... umount2 resumed>) = 0 [pid 5079] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./106/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./106/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6383] 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] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5079] close(4) = 0 [pid 5079] rmdir("./106/file0") = 0 [pid 5079] umount2("./106/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./106/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./106/cgroup.cpu") = 0 [pid 5079] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 [pid 5079] close(3 [pid 6380] <... ioctl resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 6380] close(3) = 0 [pid 5079] rmdir("./106" [pid 6380] mkdir("./file0", 0777 [pid 6375] <... mount resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 6380] <... mkdir resumed>) = 0 [pid 5079] mkdir("./107", 0777 [pid 6380] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6375] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] <... mkdir resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 6382] <... mount resumed>) = 0 [pid 6375] <... openat resumed>) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD [ 177.131937][ T6380] loop0: detected capacity change from 0 to 4096 [pid 6382] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6375] chdir("./file0" [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6382] chdir("./file0") = 0 [pid 5079] close(3 [pid 6382] ioctl(4, LOOP_CLR_FD [pid 6378] <... mount resumed>) = 0 [pid 6375] <... chdir resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 6382] <... ioctl resumed>) = 0 [pid 6375] ioctl(4, LOOP_CLR_FD [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6384 attached [pid 6383] <... write resumed>) = 2097152 [pid 6382] close(4 [pid 6378] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6375] <... ioctl resumed>) = 0 [pid 6384] set_robust_list(0x5555562845e0, 24 [pid 6382] <... close resumed>) = 0 [pid 6378] <... openat resumed>) = 3 [pid 6375] close(4 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 216 [pid 6383] munmap(0x7f7a51cd9000, 2097152 [pid 6384] <... set_robust_list resumed>) = 0 [pid 6383] <... munmap resumed>) = 0 [pid 6382] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... mount resumed>) = 0 [pid 6378] chdir("./file0" [pid 6375] <... close resumed>) = 0 [pid 6384] chdir("./107" [pid 6383] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6382] <... futex resumed>) = 1 [pid 6381] <... futex resumed>) = 0 [pid 6380] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6378] <... chdir resumed>) = 0 [pid 6375] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... chdir resumed>) = 0 [pid 6383] <... openat resumed>) = 4 [pid 6382] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... openat resumed>) = 3 [pid 6378] ioctl(4, LOOP_CLR_FD [pid 6375] <... futex resumed>) = 1 [pid 6374] <... futex resumed>) = 0 [pid 6384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6383] ioctl(4, LOOP_SET_FD, 3 [pid 6382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6381] <... futex resumed>) = 0 [pid 6380] chdir("./file0" [pid 6378] <... ioctl resumed>) = 0 [pid 6375] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6374] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... prctl resumed>) = 0 [pid 6382] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6381] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6380] <... chdir resumed>) = 0 [pid 6378] close(4 [pid 6375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6383] <... ioctl resumed>) = 0 [pid 6380] ioctl(4, LOOP_CLR_FD [pid 6378] <... close resumed>) = 0 [pid 6375] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6384] setpgid(0, 0 [pid 6383] close(3 [pid 6380] <... ioctl resumed>) = 0 [pid 6378] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] <... futex resumed>) = 0 [pid 6384] <... setpgid resumed>) = 0 [pid 6383] <... close resumed>) = 0 [pid 6382] <... mkdirat resumed>) = 0 [pid 6380] close(4 [pid 6378] <... futex resumed>) = 1 [pid 6377] <... futex resumed>) = 0 [pid 6375] <... mkdirat resumed>) = 0 [pid 6374] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6383] mkdir("./file0", 0777 [pid 6382] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... close resumed>) = 0 [pid 6378] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6377] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6384] <... symlink resumed>) = 0 [pid 6383] <... mkdir resumed>) = 0 [pid 6382] <... futex resumed>) = 1 [pid 6381] <... futex resumed>) = 0 [pid 6380] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6377] <... futex resumed>) = 0 [pid 6375] <... futex resumed>) = 0 [pid 6374] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6383] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6382] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... futex resumed>) = 1 [pid 6378] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6377] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] <... futex resumed>) = 0 [pid 6375] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6374] <... futex resumed>) = 0 [pid 6384] <... symlink resumed>) = 0 [pid 6382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6381] <... futex resumed>) = 0 [pid 6380] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6378] <... mkdirat resumed>) = 0 [pid 6376] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] <... symlinkat resumed>) = 0 [pid 6374] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6384] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6382] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6381] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6378] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] <... futex resumed>) = 0 [pid 6375] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6384] <... symlink resumed>) = 0 [pid 6382] <... symlinkat resumed>) = 0 [pid 6380] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6378] <... futex resumed>) = 1 [pid 6377] <... futex resumed>) = 0 [pid 6376] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6375] <... futex resumed>) = 0 [pid 6374] close(3 [pid 6384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6382] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6380] <... mkdirat resumed>) = 0 [ 177.240754][ T6383] loop1: detected capacity change from 0 to 4096 [pid 6378] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6377] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6375] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6374] <... close resumed>) = 0 [pid 6384] <... openat resumed>) = 3 [pid 6382] <... futex resumed>) = 1 [pid 6381] <... futex resumed>) = 0 [pid 6380] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6384] write(3, "1000", 4 [pid 6382] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] close(3 [pid 6380] <... futex resumed>) = 1 [pid 6378] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6377] <... futex resumed>) = 0 [pid 6376] <... futex resumed>) = 0 [pid 6374] close(4 [pid 6384] <... write resumed>) = 4 [pid 6381] <... close resumed>) = 0 [pid 6380] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6378] <... symlinkat resumed>) = 0 [pid 6377] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6376] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] close(3 [pid 6381] close(4 [pid 6380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6378] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6376] <... futex resumed>) = 0 [pid 6374] close(5 [pid 6384] <... close resumed>) = 0 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6380] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6378] <... futex resumed>) = 0 [pid 6377] close(3 [pid 6376] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] symlink("/dev/binderfs", "./binderfs" [pid 6381] close(5 [pid 6380] <... symlinkat resumed>) = 0 [pid 6378] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6380] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6376] <... futex resumed>) = 0 [pid 6380] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6377] <... close resumed>) = 0 [pid 6376] close(3 [pid 6374] close(6 [pid 6384] <... symlink resumed>) = 0 [pid 6383] <... mount resumed>) = 0 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(4 [pid 6376] <... close resumed>) = 0 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6376] close(4 [pid 6383] <... openat resumed>) = 3 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] chdir("./file0" [pid 6376] close(5 [pid 6384] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] <... chdir resumed>) = 0 [pid 6381] close(6 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] close(7 [pid 6383] ioctl(4, LOOP_CLR_FD [pid 6376] close(6 [pid 6383] <... ioctl resumed>) = 0 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] <... futex resumed>) = 0 [pid 6383] close(4 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(5 [pid 6376] close(7 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6383] <... close resumed>) = 0 [pid 6381] close(7 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] close(8 [pid 6384] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6383] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(6 [pid 6376] close(8 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6383] <... futex resumed>) = 1 [pid 6381] close(8 [pid 6379] <... futex resumed>) = 0 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] close(9 [pid 6384] <... mprotect resumed>) = 0 [pid 6383] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] close(7 [pid 6376] close(9 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6384] 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 6383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6381] close(9 [pid 6379] <... futex resumed>) = 0 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] close(10./strace-static-x86_64: Process 6385 attached [pid 6383] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] close(8 [pid 6376] close(10 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6385] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6384] <... clone resumed>, parent_tid=[217], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 217 [pid 6383] <... mkdirat resumed>) = 0 [pid 6381] close(10 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] close(11 [pid 6385] <... set_robust_list resumed>) = 0 [pid 6384] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6383] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6376] close(11 [pid 6385] memfd_create("syzkaller", 0 [pid 6384] <... futex resumed>) = 0 [pid 6383] <... futex resumed>) = 1 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... futex resumed>) = 0 [pid 6377] close(9 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6385] <... memfd_create resumed>) = 3 [pid 6384] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6383] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] close(11 [pid 6379] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(12 [pid 6374] close(12 [pid 6385] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... futex resumed>) = 0 [pid 6377] close(10 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6385] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6383] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6381] close(12 [pid 6379] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(13 [pid 6374] close(13 [pid 6383] <... symlinkat resumed>) = 0 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(11 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6381] close(13 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(14 [pid 6374] close(14 [pid 6383] <... futex resumed>) = 1 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... futex resumed>) = 0 [pid 6377] close(12 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6383] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6381] close(14 [pid 6379] close(3 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(15 [pid 6374] close(15 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = 0 [pid 6377] close(13 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] close(15 [pid 6379] close(4 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(16 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(14 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] close(16 [pid 6379] close(5 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(17 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(15 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] close(17 [pid 6379] close(6 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(18 [pid 6374] close(16 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(16 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] close(18 [pid 6379] close(7 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(19 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(17 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] close(19 [pid 6379] close(8 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(20 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(18 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] close(17 [pid 6381] close(20 [pid 6379] close(9 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(21 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(19 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] close(21 [pid 6379] close(10 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(22 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(20 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] close(22 [pid 6379] close(11 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(23 [pid 6374] close(18 [pid 6385] 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 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(21 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] close(23 [pid 6379] close(12 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(24 [pid 6374] close(19 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(22 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] close(24 [pid 6379] close(13 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(25 [pid 6374] close(20 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(23 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] close(25 [pid 6379] close(14 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(26 [pid 6374] close(21 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(24 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] close(26 [pid 6379] close(15 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(27 [pid 6374] close(22 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(25 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] close(27 [pid 6379] close(16 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(28 [pid 6374] close(23 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(26 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] close(28 [pid 6379] close(17 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] close(29 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(27 [pid 6376] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6381] close(29 [pid 6379] close(18 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] exit_group(0 [pid 6381] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6380] <... futex resumed>) = ? [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(28 [pid 6376] <... exit_group resumed>) = ? [pid 6381] exit_group(0 [pid 6380] +++ exited with 0 +++ [pid 6379] close(19 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6376] +++ exited with 0 +++ [pid 6374] close(24 [pid 6382] <... futex resumed>) = ? [pid 6381] <... exit_group resumed>) = ? [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] close(29 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6379] close(20 [pid 6377] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6377] exit_group(0 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... restart_syscall resumed>) = 0 [pid 6379] close(21 [pid 6378] <... futex resumed>) = ? [pid 6377] <... exit_group resumed>) = ? [pid 6382] +++ exited with 0 +++ [pid 6381] +++ exited with 0 +++ [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6378] +++ exited with 0 +++ [pid 6377] +++ exited with 0 +++ [pid 6374] close(25 [pid 6379] close(22 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6379] close(23 [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5074] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... restart_syscall resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 6379] close(24 [pid 5074] fstat(3, [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6379] close(25 [pid 5075] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(3, [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6379] close(26 [pid 5075] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] close(26 [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5075] <... openat resumed>) = 3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6379] close(27 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] restart_syscall(<... resuming interrupted clone ...> [pid 5075] fstat(3, [pid 5074] lstat("./100/binderfs", [pid 6385] <... write resumed>) = 2097152 [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] close(27 [pid 5077] <... restart_syscall resumed>) = 0 [pid 5075] <... 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 6385] munmap(0x7f7a51cd9000, 2097152 [pid 6379] close(28 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] getdents64(3, [pid 5074] unlink("./100/binderfs" [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] close(28 [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... unlink resumed>) = 0 [pid 6385] <... munmap resumed>) = 0 [pid 6379] close(29 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./100/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6385] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6379] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6374] close(29 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6385] <... openat resumed>) = 4 [pid 6379] exit_group(0 [pid 6374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] lstat("./101/binderfs", [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6385] ioctl(4, LOOP_SET_FD, 3 [pid 6383] <... futex resumed>) = ? [pid 6379] <... exit_group resumed>) = ? [pid 6374] exit_group(0 [pid 5077] <... openat resumed>) = 3 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] lstat("./100/cgroup", [pid 6383] +++ exited with 0 +++ [pid 6379] +++ exited with 0 +++ [pid 5075] unlink("./101/binderfs" [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5075] <... unlink resumed>) = 0 [pid 5074] unlink("./100/cgroup" [pid 6375] <... futex resumed>) = ? [pid 6374] <... exit_group resumed>) = ? [pid 5075] umount2("./101/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... unlink resumed>) = 0 [pid 6375] +++ exited with 0 +++ [pid 6374] +++ exited with 0 +++ [pid 5077] fstat(3, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./100/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=200, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5075] lstat("./101/cgroup", [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] getdents64(3, [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] lstat("./100/cgroup.net", [pid 6385] <... ioctl resumed>) = 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6385] close(3 [pid 5078] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] unlink("./101/cgroup" [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6385] <... close 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 6385] mkdir("./file0", 0777 [pid 5077] lstat("./102/binderfs", [pid 5075] <... unlink resumed>) = 0 [pid 5074] unlink("./100/cgroup.net" [pid 5078] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6385] <... mkdir resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] umount2("./101/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... unlink resumed>) = 0 [pid 6385] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5078] <... openat resumed>) = 3 [pid 5077] unlink("./102/binderfs" [pid 5076] <... openat resumed>) = 3 [pid 5078] fstat(3, [pid 5077] <... unlink resumed>) = 0 [pid 5076] fstat(3, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] umount2("./102/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] lstat("./101/cgroup.net", [pid 5078] getdents64(3, [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] getdents64(3, [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] unlink("./101/cgroup.net" [pid 5074] <... umount2 resumed>) = 0 [pid 5078] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] lstat("./102/cgroup", [pid 5076] umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... unlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] lstat("./105/binderfs", [pid 5077] unlink("./102/cgroup" [pid 5076] lstat("./99/binderfs", [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./105/binderfs" [pid 5077] <... unlink resumed>) = 0 [pid 5076] unlink("./99/binderfs" [pid 5078] <... unlink resumed>) = 0 [ 177.515796][ T6385] loop2: detected capacity change from 0 to 4096 [pid 5077] umount2("./102/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... unlink resumed>) = 0 [pid 5078] umount2("./105/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./99/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./102/cgroup.net", [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = 0 [pid 5078] lstat("./105/cgroup", [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] lstat("./99/cgroup", [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] unlink("./102/cgroup.net" [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./105/cgroup" [pid 5077] <... unlink resumed>) = 0 [pid 5076] unlink("./99/cgroup" [pid 5078] <... unlink resumed>) = 0 [pid 5077] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... unlink resumed>) = 0 [pid 5078] umount2("./105/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./99/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... umount2 resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] lstat("./105/cgroup.net", [pid 5076] lstat("./99/cgroup.net", [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./105/cgroup.net" [pid 5076] unlink("./99/cgroup.net" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5078] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./101/file0", [pid 5074] lstat("./100/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./100/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 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... close resumed>) = 0 [pid 5075] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] rmdir("./100/file0" [pid 6385] <... mount resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6385] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5075] openat(AT_FDCWD, "./101/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... rmdir resumed>) = 0 [pid 6385] <... openat resumed>) = 3 [pid 5075] <... openat resumed>) = 4 [pid 5074] umount2("./100/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [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 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6385] chdir("./file0" [pid 5075] rmdir("./101/file0" [pid 5074] lstat("./100/cgroup.cpu", [pid 6385] <... chdir resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6385] ioctl(4, LOOP_CLR_FD [pid 5075] umount2("./101/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./100/cgroup.cpu" [pid 6385] <... ioctl resumed>) = 0 [pid 6385] close(4 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... unlink resumed>) = 0 [pid 5077] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] lstat("./101/cgroup.cpu", [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] lstat("./102/file0", [pid 5075] unlink("./101/cgroup.cpu" [pid 6385] <... close resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] getdents64(3, [pid 6385] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... umount2 resumed>) = 0 [pid 5077] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] getdents64(3, [pid 6385] <... futex resumed>) = 1 [pid 6384] <... futex resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6385] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6384] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] openat(AT_FDCWD, "./102/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] close(3 [pid 6385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6384] <... futex resumed>) = 0 [pid 5078] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = 0 [pid 5074] close(3 [pid 6385] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6384] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 [pid 6385] <... mkdirat resumed>) = 0 [pid 5078] lstat("./105/file0", [pid 5077] <... openat resumed>) = 4 [pid 5075] <... close resumed>) = 0 [pid 5074] rmdir("./100" [pid 6385] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] fstat(4, [pid 5076] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] rmdir("./101" [pid 6385] <... futex resumed>) = 1 [pid 6384] <... futex resumed>) = 0 [pid 5078] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... rmdir resumed>) = 0 [pid 6385] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6384] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... rmdir resumed>) = 0 [pid 5074] mkdir("./101", 0777 [pid 6385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6384] <... futex resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./105/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] getdents64(4, [pid 5076] lstat("./99/file0", [pid 5075] mkdir("./102", 0777 [pid 6385] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6384] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... openat resumed>) = 4 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... mkdir resumed>) = 0 [pid 5074] <... mkdir resumed>) = 0 [pid 5078] fstat(4, [pid 5077] getdents64(4, [pid 5076] umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6385] <... symlinkat resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... openat resumed>) = 3 [pid 6385] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] getdents64(4, [pid 5077] close(4 [pid 5076] openat(AT_FDCWD, "./99/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] ioctl(3, LOOP_CLR_FD [pid 5074] <... openat resumed>) = 3 [pid 6385] <... futex resumed>) = 1 [pid 6384] <... futex resumed>) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] <... close resumed>) = 0 [pid 5076] <... openat resumed>) = 4 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6385] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6384] close(3 [pid 5078] getdents64(4, [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6384] <... close resumed>) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] close(3 [pid 6384] close(4 [pid 5078] close(4 [pid 5077] rmdir("./102/file0" [pid 5076] fstat(4, [pid 5075] close(3 [pid 5074] <... close resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = 0 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... close resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6384] close(5 [pid 5078] rmdir("./105/file0" [pid 5077] umount2("./102/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] getdents64(4, [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6387 attached ./strace-static-x86_64: Process 6386 attached [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... rmdir resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6387] set_robust_list(0x5555562845e0, 24 [pid 6386] set_robust_list(0x5555562845e0, 24 [pid 6384] close(6 [pid 5078] umount2("./105/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] lstat("./102/cgroup.cpu", [pid 5076] getdents64(4, [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 206 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 204 [pid 6387] <... set_robust_list resumed>) = 0 [pid 6386] <... set_robust_list resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6387] chdir("./102" [pid 6386] chdir("./101" [pid 6384] close(7 [pid 5078] lstat("./105/cgroup.cpu", [pid 5077] unlink("./102/cgroup.cpu" [pid 5076] close(4 [pid 6387] <... chdir resumed>) = 0 [pid 6386] <... chdir resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 6387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6384] close(8 [pid 5078] unlink("./105/cgroup.cpu" [pid 5077] getdents64(3, [pid 5076] rmdir("./99/file0" [pid 6387] <... prctl resumed>) = 0 [pid 6386] <... prctl resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] <... rmdir resumed>) = 0 [pid 6387] setpgid(0, 0 [pid 6386] setpgid(0, 0 [pid 6384] close(9 [pid 5078] getdents64(3, [pid 5077] close(3 [pid 5076] umount2("./99/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6387] <... setpgid resumed>) = 0 [pid 6386] <... setpgid resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] <... close resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6387] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6386] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6384] close(10 [pid 5078] close(3 [pid 5077] rmdir("./102" [pid 5076] lstat("./99/cgroup.cpu", [pid 6387] <... symlink resumed>) = 0 [pid 6386] <... symlink resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = 0 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6387] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5077] mkdir("./103", 0777 [pid 5076] unlink("./99/cgroup.cpu" [pid 6387] <... symlink resumed>) = 0 [pid 5077] <... mkdir resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 6387] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5076] getdents64(3, [pid 6387] <... symlink resumed>) = 0 [pid 6386] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6384] close(11 [pid 5078] rmdir("./105" [pid 5077] <... openat resumed>) = 3 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] close(3 [pid 6387] <... openat resumed>) = 3 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] <... close resumed>) = 0 [pid 6387] write(3, "1000", 4 [pid 5077] close(3 [pid 5076] rmdir("./99" [pid 6387] <... write resumed>) = 4 [pid 5077] <... close resumed>) = 0 [pid 5076] <... rmdir resumed>) = 0 [pid 6387] close(3 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] mkdir("./100", 0777./strace-static-x86_64: Process 6388 attached [pid 6387] <... close resumed>) = 0 [pid 6386] <... symlink resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... rmdir resumed>) = 0 [pid 5076] <... mkdir resumed>) = 0 [pid 6388] set_robust_list(0x5555562845e0, 24 [pid 6387] symlink("/dev/binderfs", "./binderfs" [pid 6386] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6384] close(12 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 208 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6388] <... set_robust_list resumed>) = 0 [pid 6387] <... symlink resumed>) = 0 [pid 5076] <... openat resumed>) = 3 [pid 6388] chdir("./103" [pid 6387] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] ioctl(3, LOOP_CLR_FD [pid 6388] <... chdir resumed>) = 0 [pid 6387] <... futex resumed>) = 0 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5076] close(3 [pid 6388] <... prctl resumed>) = 0 [pid 6387] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6386] <... symlink resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] mkdir("./106", 0777 [pid 5076] <... close resumed>) = 0 [pid 6388] setpgid(0, 0 [pid 6387] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6384] close(13 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6389 attached [pid 6388] <... setpgid resumed>) = 0 [pid 6387] <... mprotect resumed>) = 0 [pid 6386] <... openat resumed>) = 3 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... mkdir resumed>) = 0 [pid 6389] set_robust_list(0x5555562845e0, 24 [pid 6388] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6387] 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 6386] write(3, "1000", 4 [pid 6384] close(14 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 202 ./strace-static-x86_64: Process 6390 attached [pid 6389] <... set_robust_list resumed>) = 0 [pid 6388] <... symlink resumed>) = 0 [pid 6386] <... write resumed>) = 4 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 3 [pid 6390] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6389] chdir("./100" [pid 6388] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6387] <... clone resumed>, parent_tid=[207], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 207 [pid 6386] close(3 [pid 6384] close(15 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6390] <... set_robust_list resumed>) = 0 [pid 6389] <... chdir resumed>) = 0 [pid 6388] <... symlink resumed>) = 0 [pid 6387] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] <... close resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6390] memfd_create("syzkaller", 0 [pid 6389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6388] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6387] <... futex resumed>) = 0 [pid 6386] symlink("/dev/binderfs", "./binderfs" [pid 6384] close(16 [pid 5078] close(3 [pid 6390] <... memfd_create resumed>) = 3 [pid 6389] <... prctl resumed>) = 0 [pid 6388] <... symlink resumed>) = 0 [pid 6387] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6386] <... symlink resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = 0 [pid 6390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6389] setpgid(0, 0 [pid 6388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6386] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] close(17 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6390] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6389] <... setpgid resumed>) = 0 [pid 6388] <... openat resumed>) = 3 [pid 6386] <... futex resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] write(3, "1000", 4./strace-static-x86_64: Process 6391 attached ) = 4 [pid 6386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6391] set_robust_list(0x5555562845e0, 24 [pid 6388] close(3 [pid 6386] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6391] <... set_robust_list resumed>) = 0 [pid 6389] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6388] <... close resumed>) = 0 [pid 6386] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6384] close(18 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 214 [pid 6391] chdir("./106" [pid 6389] <... symlink resumed>) = 0 [pid 6388] symlink("/dev/binderfs", "./binderfs" [pid 6386] <... mprotect resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... chdir resumed>) = 0 [pid 6389] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6388] <... symlink resumed>) = 0 [pid 6386] 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 6384] close(19./strace-static-x86_64: Process 6392 attached [pid 6391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6389] <... symlink resumed>) = 0 [pid 6388] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6391] <... prctl resumed>) = 0 [pid 6389] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6388] <... futex resumed>) = 0 [pid 6386] <... clone resumed>, parent_tid=[205], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 205 [pid 6384] close(20 [pid 6392] <... set_robust_list resumed>) = 0 [pid 6391] setpgid(0, 0 [pid 6389] <... symlink resumed>) = 0 [pid 6388] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6386] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] memfd_create("syzkaller", 0 [pid 6391] <... setpgid resumed>) = 0 [pid 6388] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6386] <... futex resumed>) = 0 [pid 6384] close(21 [pid 6389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6392] <... memfd_create resumed>) = 3 [pid 6391] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6389] <... openat resumed>) = 3 [pid 6388] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6386] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6391] <... symlink resumed>) = 0 [pid 6389] write(3, "1000", 4 [pid 6388] <... mprotect resumed>) = 0 [pid 6384] close(22 [pid 6392] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6391] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6389] <... write resumed>) = 4 [pid 6388] 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 6393 attached [pid 6391] <... symlink resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6391] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6388] <... clone resumed>, parent_tid=[209], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 209 [pid 6393] <... set_robust_list resumed>) = 0 [pid 6391] <... symlink resumed>) = 0 [pid 6388] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] close(23 [pid 6389] close(3 [pid 6393] memfd_create("syzkaller", 0 [pid 6391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6388] <... futex resumed>) = 0 [pid 6393] <... memfd_create resumed>) = 3 [pid 6391] <... openat resumed>) = 3 [pid 6389] <... close resumed>) = 0 [pid 6388] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6391] write(3, "1000", 4 [pid 6389] symlink("/dev/binderfs", "./binderfs" [pid 6384] close(24 [pid 6393] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6391] <... write resumed>) = 4 [pid 6391] close(3 [pid 6389] <... symlink resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = 0 [pid 6389] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6384] close(25 [pid 6391] symlink("/dev/binderfs", "./binderfs" [pid 6389] <... futex resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... symlink resumed>) = 0 [pid 6389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6384] close(26 [pid 6391] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... futex resumed>) = 0 [pid 6389] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6384] close(27 [pid 6391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6389] <... mprotect resumed>) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6389] 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 6384] close(28 [pid 6391] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6394 attached ) = 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6391] 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 6395 attached [pid 6395] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6391] <... clone resumed>, parent_tid=[215], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 215 [pid 6395] <... set_robust_list resumed>) = 0 [pid 6391] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] memfd_create("syzkaller", 0 [pid 6394] <... set_robust_list resumed>) = 0 [pid 6391] <... futex resumed>) = 0 [pid 6390] 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 6389] <... clone resumed>, parent_tid=[203], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 203 [pid 6384] close(29 [pid 6395] <... memfd_create resumed>) = 3 [pid 6391] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6389] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6389] <... futex resumed>) = 0 [pid 6395] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6394] memfd_create("syzkaller", 0 [pid 6384] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] <... memfd_create resumed>) = 3 [pid 6389] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6384] exit_group(0 [pid 6394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6393] 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 6385] <... futex resumed>) = ? [pid 6384] <... exit_group resumed>) = ? [pid 6394] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6385] +++ exited with 0 +++ [pid 6384] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 6392] 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("./107", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5079] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./107/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./107/binderfs") = 0 [pid 5079] umount2("./107/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./107/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] unlink("./107/cgroup") = 0 [pid 5079] umount2("./107/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./107/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./107/cgroup.net") = 0 [pid 5079] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 6395] 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 6394] 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 6393] <... write resumed>) = 2097152 [pid 6390] <... write resumed>) = 2097152 [pid 6393] munmap(0x7f7a51cd9000, 2097152 [pid 5079] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6390] munmap(0x7f7a51cd9000, 2097152 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./107/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6393] <... munmap resumed>) = 0 [pid 6392] <... write resumed>) = 2097152 [pid 6390] <... munmap resumed>) = 0 [pid 5079] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6392] munmap(0x7f7a51cd9000, 2097152 [pid 6390] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./107/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6393] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6390] <... openat resumed>) = 4 [pid 5079] fstat(4, [pid 6393] <... openat resumed>) = 4 [pid 6392] <... munmap resumed>) = 0 [pid 6390] ioctl(4, LOOP_SET_FD, 3 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6393] ioctl(4, LOOP_SET_FD, 3 [pid 5079] getdents64(4, [pid 6392] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6392] <... openat resumed>) = 4 [pid 5079] getdents64(4, [pid 6392] ioctl(4, LOOP_SET_FD, 3 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5079] close(4) = 0 [pid 5079] rmdir("./107/file0") = 0 [pid 5079] umount2("./107/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./107/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./107/cgroup.cpu") = 0 [pid 5079] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 [pid 5079] close(3) = 0 [pid 5079] rmdir("./107") = 0 [pid 6390] <... ioctl resumed>) = 0 [pid 5079] mkdir("./108", 0777 [pid 6392] <... ioctl resumed>) = 0 [pid 5079] <... mkdir resumed>) = 0 [pid 6392] close(3 [pid 6390] close(3 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6392] <... close resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 6392] mkdir("./file0", 0777 [pid 6390] <... close resumed>) = 0 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6392] <... mkdir resumed>) = 0 [pid 6390] mkdir("./file0", 0777 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6392] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5079] close(3 [pid 6390] <... mkdir resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6396 attached , child_tidptr=0x5555562845d0) = 218 [pid 6395] <... write resumed>) = 2097152 [pid 6393] <... ioctl resumed>) = 0 [pid 6393] close(3 [pid 6396] set_robust_list(0x5555562845e0, 24 [pid 6390] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6396] <... set_robust_list resumed>) = 0 [pid 6396] chdir("./108") = 0 [pid 6396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 178.063893][ T6390] loop3: detected capacity change from 0 to 4096 [ 178.064375][ T6393] loop5: detected capacity change from 0 to 4096 [ 178.080778][ T6392] loop0: detected capacity change from 0 to 4096 [pid 6396] setpgid(0, 0) = 0 [pid 6396] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6396] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6393] <... close resumed>) = 0 [pid 6396] <... symlink resumed>) = 0 [pid 6393] mkdir("./file0", 0777 [pid 6396] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6393] <... mkdir resumed>) = 0 [pid 6396] <... symlink resumed>) = 0 [pid 6393] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6395] munmap(0x7f7a51cd9000, 2097152 [pid 6396] <... openat resumed>) = 3 [pid 6395] <... munmap resumed>) = 0 [pid 6396] write(3, "1000", 4) = 4 [pid 6394] <... write resumed>) = 2097152 [pid 6396] close(3 [pid 6394] munmap(0x7f7a51cd9000, 2097152 [pid 6396] <... close resumed>) = 0 [pid 6396] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6396] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6395] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6396] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6395] <... openat resumed>) = 4 [pid 6394] <... munmap resumed>) = 0 [pid 6396] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6395] ioctl(4, LOOP_SET_FD, 3 [pid 6394] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6396] <... mprotect resumed>) = 0 [pid 6394] <... openat resumed>) = 4 [pid 6390] <... mount resumed>) = 0 [pid 6396] 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 6394] ioctl(4, LOOP_SET_FD, 3 [pid 6390] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 6397 attached [pid 6397] set_robust_list(0x7f7a5a0f99e0, 24) = 0 [pid 6397] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6396] <... clone resumed>, parent_tid=[219], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 219 [pid 6390] <... openat resumed>) = 3 [pid 6396] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] <... ioctl resumed>) = 0 [pid 6392] <... mount resumed>) = 0 [pid 6390] chdir("./file0" [pid 6397] <... futex resumed>) = 0 [pid 6396] <... futex resumed>) = 1 [pid 6394] close(3 [pid 6392] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6390] <... chdir resumed>) = 0 [pid 6397] memfd_create("syzkaller", 0 [pid 6396] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6395] <... ioctl resumed>) = 0 [pid 6394] <... close resumed>) = 0 [pid 6393] <... mount resumed>) = 0 [pid 6390] ioctl(4, LOOP_CLR_FD [pid 6392] <... openat resumed>) = 3 [pid 6397] <... memfd_create resumed>) = 3 [pid 6395] close(3 [pid 6394] mkdir("./file0", 0777 [pid 6393] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6390] <... ioctl resumed>) = 0 [pid 6397] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6395] <... close resumed>) = 0 [pid 6394] <... mkdir resumed>) = 0 [pid 6393] <... openat resumed>) = 3 [pid 6392] chdir("./file0" [pid 6390] close(4 [pid 6397] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6395] mkdir("./file0", 0777 [pid 6394] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6393] chdir("./file0" [pid 6390] <... close resumed>) = 0 [pid 6395] <... mkdir resumed>) = 0 [pid 6393] <... chdir resumed>) = 0 [pid 6390] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6393] ioctl(4, LOOP_CLR_FD [pid 6390] <... futex resumed>) = 1 [pid 6387] <... futex resumed>) = 0 [pid 6393] <... ioctl resumed>) = 0 [pid 6390] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] close(4 [pid 6390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] <... futex resumed>) = 0 [pid 6393] <... close resumed>) = 0 [pid 6390] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6387] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6388] <... futex resumed>) = 0 [pid 6393] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6392] <... chdir resumed>) = 0 [pid 6392] ioctl(4, LOOP_CLR_FD) = 0 [pid 6392] close(4) = 0 [pid 6392] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6386] <... futex resumed>) = 0 [pid 6392] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6386] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6390] <... mkdirat resumed>) = 0 [pid 6388] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6386] <... futex resumed>) = 0 [pid 6393] <... futex resumed>) = 0 [pid 6392] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6390] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... futex resumed>) = 1 [pid 6386] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6390] <... futex resumed>) = 1 [pid 6388] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6387] <... futex resumed>) = 0 [ 178.167970][ T6395] loop1: detected capacity change from 0 to 4096 [ 178.177846][ T6394] loop4: detected capacity change from 0 to 4096 [pid 6392] <... mkdirat resumed>) = 0 [pid 6390] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] <... futex resumed>) = 0 [pid 6392] <... futex resumed>) = 1 [pid 6390] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6387] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6386] <... futex resumed>) = 0 [pid 6392] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6386] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6386] <... futex resumed>) = 0 [pid 6392] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6386] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] <... mkdirat resumed>) = 0 [pid 6390] <... symlinkat resumed>) = 0 [pid 6393] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... futex resumed>) = 1 [pid 6390] <... futex resumed>) = 1 [pid 6388] <... futex resumed>) = 0 [pid 6387] <... futex resumed>) = 0 [pid 6393] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6390] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] close(3 [pid 6392] <... symlinkat resumed>) = 0 [pid 6388] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] <... close resumed>) = 0 [pid 6393] <... futex resumed>) = 0 [pid 6392] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... futex resumed>) = 1 [pid 6387] close(4 [pid 6393] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6392] <... futex resumed>) = 1 [pid 6388] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... futex resumed>) = 0 [pid 6393] <... symlinkat resumed>) = 0 [pid 6392] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] close(5 [pid 6386] close(3 [pid 6395] <... mount resumed>) = 0 [pid 6393] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = 0 [pid 6395] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6393] <... futex resumed>) = 1 [pid 6388] <... futex resumed>) = 0 [pid 6387] close(6 [pid 6386] close(4 [pid 6395] <... openat resumed>) = 3 [pid 6393] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6388] close(3 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] chdir("./file0" [pid 6387] close(7 [pid 6386] close(5 [pid 6388] <... close resumed>) = 0 [pid 6395] <... chdir resumed>) = 0 [pid 6394] <... mount resumed>) = 0 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] close(4 [pid 6395] ioctl(4, LOOP_CLR_FD [pid 6394] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6387] close(8 [pid 6386] close(6 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] <... ioctl resumed>) = 0 [pid 6394] <... openat resumed>) = 3 [pid 6388] close(5 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] close(4 [pid 6394] chdir("./file0" [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] close(9 [pid 6386] close(7 [pid 6397] 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 6395] <... close resumed>) = 0 [pid 6394] <... chdir resumed>) = 0 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] close(6 [pid 6395] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] ioctl(4, LOOP_CLR_FD [pid 6387] close(10 [pid 6386] close(8 [pid 6395] <... futex resumed>) = 1 [pid 6394] <... ioctl resumed>) = 0 [pid 6391] <... futex resumed>) = 0 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] close(4 [pid 6391] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] close(7 [pid 6387] close(11 [pid 6386] close(9 [pid 6395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6394] <... close resumed>) = 0 [pid 6391] <... futex resumed>) = 0 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6394] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6388] close(8 [pid 6387] close(12 [pid 6386] close(10 [pid 6394] <... futex resumed>) = 1 [pid 6389] <... futex resumed>) = 0 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6389] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] close(9 [pid 6387] close(13 [pid 6386] close(11 [pid 6394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6389] <... futex resumed>) = 0 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6389] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6388] close(10 [pid 6387] close(14 [pid 6386] close(12 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] <... mkdirat resumed>) = 0 [pid 6394] <... mkdirat resumed>) = 0 [pid 6388] close(11 [pid 6387] close(15 [pid 6386] close(13 [pid 6395] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] <... futex resumed>) = 1 [pid 6394] <... futex resumed>) = 1 [pid 6391] <... futex resumed>) = 0 [pid 6389] <... futex resumed>) = 0 [pid 6388] close(12 [pid 6387] close(16 [pid 6386] close(14 [pid 6395] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6391] <... futex resumed>) = 0 [pid 6389] <... futex resumed>) = 0 [pid 6388] close(13 [pid 6387] close(17 [pid 6386] close(15 [pid 6395] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6394] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6391] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6389] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] close(18 [pid 6386] close(16 [pid 6388] close(14) = -1 EBADF (Bad file descriptor) [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] close(19 [pid 6388] close(15 [pid 6386] close(17 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] close(20 [pid 6386] close(18 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] close(21 [pid 6386] close(19 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] close(22 [pid 6386] close(20 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] close(23 [pid 6386] close(21 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] close(24 [pid 6386] close(22 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] close(25 [pid 6386] close(23 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] <... symlinkat resumed>) = 0 [pid 6387] close(26 [pid 6386] close(24 [pid 6395] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] <... futex resumed>) = 1 [pid 6394] <... symlinkat resumed>) = 0 [pid 6391] <... futex resumed>) = 0 [pid 6387] close(27 [pid 6386] close(25 [pid 6395] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6391] close(3 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6394] <... futex resumed>) = 1 [pid 6391] <... close resumed>) = 0 [pid 6389] <... futex resumed>) = 0 [pid 6388] close(16 [pid 6387] close(28 [pid 6386] close(26 [pid 6394] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] close(4 [pid 6389] close(3 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = 0 [pid 6388] close(17 [pid 6387] close(29 [pid 6386] close(27 [pid 6391] close(5 [pid 6389] close(4 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] close(18 [pid 6387] exit_group(0 [pid 6386] close(28 [pid 6391] close(6 [pid 6390] <... futex resumed>) = ? [pid 6389] close(5 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6387] <... exit_group resumed>) = ? [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6390] +++ exited with 0 +++ [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] close(19 [pid 6387] +++ exited with 0 +++ [pid 6386] close(29 [pid 6391] close(7 [pid 6389] close(6 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] close(20 [pid 6386] exit_group(0 [pid 6392] <... futex resumed>) = ? [pid 6391] close(8 [pid 6389] close(7 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6386] <... exit_group resumed>) = ? [pid 6392] +++ exited with 0 +++ [pid 6397] <... write resumed>) = 2097152 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] close(21 [pid 6386] +++ exited with 0 +++ [pid 6397] munmap(0x7f7a51cd9000, 2097152 [pid 6391] close(9 [pid 6389] close(8 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 6397] <... munmap resumed>) = 0 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] close(22 [pid 6391] close(10 [pid 6389] close(9 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] close(23 [pid 5075] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6391] close(11 [pid 6389] close(10 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] close(24 [pid 5075] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6391] close(12 [pid 6389] close(11 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... openat resumed>) = 3 [pid 5074] <... openat resumed>) = 3 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] close(25 [pid 5075] fstat(3, [pid 5074] fstat(3, [pid 6397] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6391] close(13 [pid 6389] close(12 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... 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 6397] <... openat resumed>) = 4 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] close(26 [pid 5075] getdents64(3, [pid 6397] ioctl(4, LOOP_SET_FD, 3 [pid 6391] close(14 [pid 6389] close(13 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] getdents64(3, [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] close(27 [pid 5075] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6397] <... ioctl resumed>) = 0 [pid 6391] close(15 [pid 6389] close(14 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6397] close(3 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] close(28 [pid 5075] lstat("./102/binderfs", [pid 5074] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6397] <... close resumed>) = 0 [pid 6391] close(16 [pid 6389] close(15 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6397] mkdir("./file0", 0777 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] close(29 [pid 5075] unlink("./102/binderfs" [pid 5074] lstat("./101/binderfs", [pid 6397] <... mkdir resumed>) = 0 [pid 6391] close(17 [pid 6389] close(16 [pid 6388] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... unlink resumed>) = 0 [pid 6397] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] exit_group(0 [pid 5075] umount2("./102/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6393] <... futex resumed>) = ? [pid 6391] close(18 [pid 6389] close(17 [pid 6388] <... exit_group resumed>) = ? [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] unlink("./101/binderfs" [pid 6393] +++ exited with 0 +++ [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6388] +++ exited with 0 +++ [pid 5075] lstat("./102/cgroup", [pid 5074] <... unlink resumed>) = 0 [pid 6391] close(19 [pid 6389] close(18 [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=5 /* 0.05 s */} --- [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] umount2("./101/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] restart_syscall(<... resuming interrupted clone ...> [pid 5075] unlink("./102/cgroup" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6391] close(20 [pid 6389] close(19 [pid 5077] <... restart_syscall resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] lstat("./101/cgroup", [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] umount2("./102/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6391] close(21 [pid 6389] close(20 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] lstat("./102/cgroup.net", [pid 5074] unlink("./101/cgroup" [pid 6391] close(22 [pid 6389] close(21 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 178.428601][ T6397] loop2: detected capacity change from 0 to 4096 [pid 5077] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] unlink("./102/cgroup.net" [pid 5074] <... unlink resumed>) = 0 [pid 6391] close(23 [pid 6389] close(22 [pid 5077] <... openat resumed>) = 3 [pid 5075] <... unlink resumed>) = 0 [pid 5074] umount2("./101/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] fstat(3, [pid 5075] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6391] close(24 [pid 6389] close(23 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6397] <... mount resumed>) = 0 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] getdents64(3, [pid 5074] lstat("./101/cgroup.net", [pid 6397] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6391] close(25 [pid 6389] close(24 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6397] <... openat resumed>) = 3 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./101/cgroup.net" [pid 6397] chdir("./file0" [pid 6391] close(26 [pid 6389] close(25 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... unlink resumed>) = 0 [pid 6397] <... chdir resumed>) = 0 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./103/binderfs", [pid 5074] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6397] ioctl(4, LOOP_CLR_FD [pid 6389] close(26 [pid 6397] <... ioctl resumed>) = 0 [pid 6391] close(27 [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6397] close(4 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6389] close(27 [pid 6397] <... close resumed>) = 0 [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] close(28 [pid 6397] <... futex resumed>) = 1 [pid 6396] <... futex resumed>) = 0 [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6396] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] close(29 [pid 6397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6396] <... futex resumed>) = 0 [pid 6389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6397] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6396] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6389] exit_group(0 [pid 6397] <... mkdirat resumed>) = 0 [pid 6394] <... futex resumed>) = ? [pid 6389] <... exit_group resumed>) = ? [pid 6397] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] +++ exited with 0 +++ [pid 6391] close(28 [pid 6389] +++ exited with 0 +++ [pid 5077] unlink("./103/binderfs" [pid 6397] <... futex resumed>) = 1 [pid 6396] <... futex resumed>) = 0 [pid 6397] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6396] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6396] <... futex resumed>) = 0 [pid 6397] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6396] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 6397] <... symlinkat resumed>) = 0 [pid 6391] close(29 [pid 5075] <... umount2 resumed>) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 6397] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6396] <... futex resumed>) = 0 [pid 6397] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6396] close(3) = 0 [pid 6396] close(4) = -1 EBADF (Bad file descriptor) [pid 6396] close(5 [pid 6391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./103/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5075] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6391] exit_group(0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6396] close(6 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6396] close(7) = -1 EBADF (Bad file descriptor) [pid 6396] close(8 [pid 6395] <... futex resumed>) = ? [pid 6391] <... exit_group resumed>) = ? [pid 5077] lstat("./103/cgroup", [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./102/file0", [pid 6396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6395] +++ exited with 0 +++ [pid 6396] close(9) = -1 EBADF (Bad file descriptor) [pid 6396] close(10) = -1 EBADF (Bad file descriptor) [pid 6396] close(11) = -1 EBADF (Bad file descriptor) [pid 6396] close(12) = -1 EBADF (Bad file descriptor) [pid 6396] close(13) = -1 EBADF (Bad file descriptor) [pid 6396] close(14) = -1 EBADF (Bad file descriptor) [pid 6396] close(15) = -1 EBADF (Bad file descriptor) [pid 6396] close(16) = -1 EBADF (Bad file descriptor) [pid 6391] +++ exited with 0 +++ [pid 6396] close(17 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5077] unlink("./103/cgroup" [pid 5076] <... openat resumed>) = 3 [pid 6396] close(18 [pid 5078] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... unlink resumed>) = 0 [pid 5076] fstat(3, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6396] close(19 [pid 5078] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] umount2("./103/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] openat(AT_FDCWD, "./102/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 3 [pid 6396] close(20 [pid 5078] fstat(3, [pid 5074] lstat("./101/file0", [pid 6396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6396] close(21 [pid 5078] getdents64(3, [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] getdents64(3, [pid 5075] <... openat resumed>) = 4 [pid 5074] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6396] close(22 [pid 5078] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] lstat("./103/cgroup.net", [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] fstat(4, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] openat(AT_FDCWD, "./101/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6396] close(23 [pid 5078] lstat("./106/binderfs", [pid 5077] unlink("./103/cgroup.net" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] getdents64(4, [pid 5074] <... openat resumed>) = 4 [pid 6396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] fstat(4, [pid 6396] close(24 [pid 5078] unlink("./106/binderfs" [pid 5077] <... unlink resumed>) = 0 [pid 5076] lstat("./100/binderfs", [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5077] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] getdents64(4, [pid 5074] getdents64(4, [pid 6396] close(25 [pid 5078] umount2("./106/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] unlink("./100/binderfs" [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... unlink resumed>) = 0 [pid 5075] close(4 [pid 5074] getdents64(4, [pid 6396] close(26 [pid 5078] lstat("./106/cgroup", [pid 5076] umount2("./100/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... close resumed>) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] close(4 [pid 6396] close(27 [pid 5078] unlink("./106/cgroup" [pid 5074] <... close resumed>) = 0 [pid 6396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5074] rmdir("./101/file0" [pid 6396] close(28 [pid 5078] umount2("./106/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... rmdir resumed>) = 0 [pid 6396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./101/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6396] close(29 [pid 5078] lstat("./106/cgroup.net", [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6396] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] lstat("./100/cgroup", [pid 5075] rmdir("./102/file0" [pid 5074] lstat("./101/cgroup.cpu", [pid 6396] exit_group(0 [pid 5078] unlink("./106/cgroup.net" [pid 5077] <... umount2 resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6397] <... futex resumed>) = ? [pid 6396] <... exit_group resumed>) = ? [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 5074] unlink("./101/cgroup.cpu" [pid 6397] +++ exited with 0 +++ [pid 6396] +++ exited with 0 +++ [pid 5078] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] unlink("./100/cgroup" [pid 5075] umount2("./102/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... unlink resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5074] getdents64(3, [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] close(3 [pid 5076] umount2("./100/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] lstat("./102/cgroup.cpu", [pid 5074] <... close resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] rmdir("./101" [pid 5076] lstat("./100/cgroup.net", [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] unlink("./102/cgroup.cpu" [pid 5074] mkdir("./102", 0777 [pid 5076] unlink("./100/cgroup.net" [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... mkdir resumed>) = 0 [pid 5079] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... unlink resumed>) = 0 [pid 5075] getdents64(3, [pid 5074] <... openat resumed>) = 3 [pid 5079] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5079] <... openat resumed>) = 3 [pid 5075] close(3 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] fstat(3, [pid 5074] close(3 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5077] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./103/file0", [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 206 [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] openat(AT_FDCWD, "./103/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, ./strace-static-x86_64: Process 6398 attached 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5077] close(4 [pid 6398] set_robust_list(0x5555562845e0, 24 [pid 5077] <... close resumed>) = 0 [pid 5077] rmdir("./103/file0" [pid 6398] <... set_robust_list resumed>) = 0 [pid 5079] getdents64(3, [pid 5077] <... rmdir resumed>) = 0 [pid 5075] rmdir("./102" [pid 6398] chdir("./102" [pid 5077] umount2("./103/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./103/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 6398] <... chdir resumed>) = 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] mkdir("./103", 0777 [pid 5079] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6398] <... prctl resumed>) = 0 [pid 5077] unlink("./103/cgroup.cpu" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... unlink resumed>) = 0 [pid 5075] <... mkdir resumed>) = 0 [pid 6398] setpgid(0, 0 [pid 5079] lstat("./108/binderfs", [pid 5077] getdents64(3, [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6398] <... setpgid resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] <... openat resumed>) = 3 [pid 5077] close(3 [pid 6398] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5079] unlink("./108/binderfs" [pid 5077] <... close resumed>) = 0 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6398] <... symlink resumed>) = 0 [pid 5077] rmdir("./103" [pid 6398] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5079] <... unlink resumed>) = 0 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] <... umount2 resumed>) = 0 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5077] mkdir("./104", 0777 [pid 5076] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... mkdir resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5076] lstat("./100/file0", [pid 5077] <... openat resumed>) = 3 [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] close(3 [pid 5076] openat(AT_FDCWD, "./100/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] <... close resumed>) = 0 [pid 5076] <... openat resumed>) = 4 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] fstat(4, ./strace-static-x86_64: Process 6399 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6399] set_robust_list(0x5555562845e0, 24 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 210 [pid 5076] getdents64(4, [pid 6399] <... set_robust_list resumed>) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6399] chdir("./104" [pid 5076] getdents64(4, [pid 6399] <... chdir resumed>) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] close(4 [pid 6399] <... prctl resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 6399] setpgid(0, 0 [pid 5076] rmdir("./100/file0" [pid 6399] <... setpgid resumed>) = 0 [pid 6398] <... symlink resumed>) = 0 [pid 5079] umount2("./108/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = 0 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] close(3 [pid 6399] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6398] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./100/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6399] <... symlink resumed>) = 0 [pid 6398] <... symlink resumed>) = 0 [pid 5079] lstat("./108/cgroup", [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... close resumed>) = 0 [pid 6399] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] lstat("./100/cgroup.cpu", [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6399] <... symlink resumed>) = 0 [pid 6398] <... openat resumed>) = 3 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6399] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5076] unlink("./100/cgroup.cpu" [pid 6399] <... symlink resumed>) = 0 [pid 5079] unlink("./108/cgroup" [pid 5076] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6400 attached [pid 6399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6398] write(3, "1000", 4 [pid 5078] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] getdents64(3, [pid 6400] set_robust_list(0x5555562845e0, 24 [pid 6399] <... openat resumed>) = 3 [pid 5079] <... unlink resumed>) = 0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6398] <... write resumed>) = 4 [pid 6400] <... set_robust_list resumed>) = 0 [pid 6399] write(3, "1000", 4 [pid 6398] close(3 [pid 5079] umount2("./108/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] close(3 [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 208 [pid 6400] chdir("./103" [pid 6399] <... write resumed>) = 4 [pid 6398] <... close resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... close resumed>) = 0 [pid 6400] <... chdir resumed>) = 0 [pid 6399] close(3 [pid 6398] symlink("/dev/binderfs", "./binderfs" [pid 5079] lstat("./108/cgroup.net", [pid 5076] rmdir("./100" [pid 6400] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6399] <... close resumed>) = 0 [pid 6398] <... symlink resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... rmdir resumed>) = 0 [pid 6400] <... prctl resumed>) = 0 [pid 6399] symlink("/dev/binderfs", "./binderfs" [pid 6398] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] unlink("./108/cgroup.net" [pid 5078] lstat("./106/file0", [pid 5076] mkdir("./101", 0777 [pid 6400] setpgid(0, 0 [pid 6399] <... symlink resumed>) = 0 [pid 6398] <... futex resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... mkdir resumed>) = 0 [pid 6400] <... setpgid resumed>) = 0 [pid 6399] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6400] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6399] <... futex resumed>) = 0 [pid 6398] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5076] <... openat resumed>) = 3 [pid 6400] <... symlink resumed>) = 0 [pid 6399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] ioctl(3, LOOP_CLR_FD [pid 6399] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6399] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5076] close(3 [pid 6399] <... mprotect resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 6399] 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 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6402 attached ./strace-static-x86_64: Process 6401 attached [pid 6402] set_robust_list(0x5555562845e0, 24 [pid 6401] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6400] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6399] <... clone resumed>, parent_tid=[211], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 211 [pid 6398] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5078] openat(AT_FDCWD, "./106/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 204 [pid 6402] <... set_robust_list resumed>) = 0 [pid 6401] <... set_robust_list resumed>) = 0 [pid 6399] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] chdir("./101" [pid 6401] memfd_create("syzkaller", 0 [pid 6400] <... symlink resumed>) = 0 [pid 6399] <... futex resumed>) = 0 [pid 6398] <... mprotect resumed>) = 0 [pid 5078] <... openat resumed>) = 4 [pid 6402] <... chdir resumed>) = 0 [pid 6401] <... memfd_create resumed>) = 3 [pid 6400] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6399] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6401] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6398] 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] fstat(4, ./strace-static-x86_64: Process 6403 attached [pid 6402] <... prctl resumed>) = 0 [pid 6401] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6400] <... symlink resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6403] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6402] setpgid(0, 0 [pid 6400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6398] <... clone resumed>, parent_tid=[207], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 207 [pid 5078] getdents64(4, [pid 6403] <... set_robust_list resumed>) = 0 [pid 6402] <... setpgid resumed>) = 0 [pid 6400] <... openat resumed>) = 3 [pid 6403] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6400] write(3, "1000", 4 [pid 6398] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6402] <... symlink resumed>) = 0 [pid 6400] <... write resumed>) = 4 [pid 6398] <... futex resumed>) = 0 [pid 5078] getdents64(4, [pid 6403] memfd_create("syzkaller", 0 [pid 6402] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6400] close(3 [pid 6398] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6403] <... memfd_create resumed>) = 3 [pid 6402] <... symlink resumed>) = 0 [pid 6400] <... close resumed>) = 0 [pid 5078] close(4 [pid 6403] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6402] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6400] symlink("/dev/binderfs", "./binderfs" [pid 5078] <... close resumed>) = 0 [pid 6403] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6402] <... symlink resumed>) = 0 [pid 6402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6400] <... symlink resumed>) = 0 [pid 5078] rmdir("./106/file0" [pid 6402] <... openat resumed>) = 3 [pid 6400] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] write(3, "1000", 4) = 4 [pid 5078] <... rmdir resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6402] close(3 [pid 5078] umount2("./106/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6402] <... close resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6402] symlink("/dev/binderfs", "./binderfs" [pid 6400] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5079] <... umount2 resumed>) = 0 [pid 5078] lstat("./106/cgroup.cpu", [pid 6402] <... symlink resumed>) = 0 [pid 6402] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6402] <... futex resumed>) = 0 [pid 6402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6400] <... mprotect resumed>) = 0 [pid 6402] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5078] unlink("./106/cgroup.cpu" [pid 6402] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6402] 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 6400] 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(3, ./strace-static-x86_64: Process 6404 attached [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6405 attached [pid 6404] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6402] <... clone resumed>, parent_tid=[205], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 205 [pid 5079] lstat("./108/file0", [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6405] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6404] <... set_robust_list resumed>) = 0 [pid 6402] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... clone resumed>, parent_tid=[209], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 209 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] close(3 [pid 6405] <... set_robust_list resumed>) = 0 [pid 6404] memfd_create("syzkaller", 0 [pid 6402] <... futex resumed>) = 0 [pid 6400] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... close resumed>) = 0 [pid 6404] <... memfd_create resumed>) = 3 [pid 6402] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6400] <... futex resumed>) = 0 [pid 6404] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6400] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] rmdir("./106" [pid 6405] memfd_create("syzkaller", 0 [pid 6404] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6405] <... memfd_create resumed>) = 3 [pid 6403] 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 6401] 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] openat(AT_FDCWD, "./108/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... rmdir resumed>) = 0 [pid 6405] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5079] <... openat resumed>) = 4 [pid 5078] mkdir("./107", 0777 [pid 6405] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5079] fstat(4, [pid 5078] <... mkdir resumed>) = 0 [pid 6404] 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 6403] <... write resumed>) = 2097152 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5079] getdents64(4, [pid 5078] <... openat resumed>) = 3 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5079] getdents64(4, [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] close(3 [pid 6403] munmap(0x7f7a51cd9000, 2097152 [pid 6401] <... write resumed>) = 2097152 [pid 5079] close(4 [pid 5078] <... close resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6406 attached [pid 6403] <... munmap resumed>) = 0 [pid 5079] rmdir("./108/file0" [pid 6406] set_robust_list(0x5555562845e0, 24 [pid 6401] munmap(0x7f7a51cd9000, 2097152 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 216 [pid 6406] <... set_robust_list resumed>) = 0 [pid 5079] umount2("./108/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6406] chdir("./107" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6406] <... chdir resumed>) = 0 [pid 5079] lstat("./108/cgroup.cpu", [pid 6406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6406] <... prctl resumed>) = 0 [pid 6401] <... munmap resumed>) = 0 [pid 5079] unlink("./108/cgroup.cpu" [pid 6406] setpgid(0, 0 [pid 6403] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5079] <... unlink resumed>) = 0 [pid 6406] <... setpgid resumed>) = 0 [pid 5079] getdents64(3, [pid 6406] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6406] <... symlink resumed>) = 0 [pid 5079] close(3 [pid 6406] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5079] <... close resumed>) = 0 [pid 6406] <... symlink resumed>) = 0 [pid 5079] rmdir("./108" [pid 6406] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6403] <... openat resumed>) = 4 [pid 6401] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5079] <... rmdir resumed>) = 0 [pid 6406] <... symlink resumed>) = 0 [pid 6403] ioctl(4, LOOP_SET_FD, 3 [pid 6401] <... openat resumed>) = 4 [pid 5079] mkdir("./109", 0777 [pid 6406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... mkdir resumed>) = 0 [pid 6406] <... openat resumed>) = 3 [pid 6405] 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] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6406] write(3, "1000", 4 [pid 6401] ioctl(4, LOOP_SET_FD, 3 [pid 5079] <... openat resumed>) = 3 [pid 6406] <... write resumed>) = 4 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6406] close(3 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6406] <... close resumed>) = 0 [pid 5079] close(3 [pid 6406] symlink("/dev/binderfs", "./binderfs" [pid 5079] <... close resumed>) = 0 [pid 6406] <... symlink resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6407 attached [pid 6406] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] set_robust_list(0x5555562845e0, 24 [pid 6406] <... futex resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 220 [pid 6407] <... set_robust_list resumed>) = 0 [pid 6406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6407] chdir("./109" [pid 6406] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6401] <... ioctl resumed>) = 0 [pid 6407] <... chdir resumed>) = 0 [pid 6406] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6406] <... mprotect resumed>) = 0 [pid 6403] <... ioctl resumed>) = 0 [pid 6401] close(3 [pid 6407] <... prctl resumed>) = 0 [pid 6406] 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 6401] <... close resumed>) = 0 [pid 6403] close(3./strace-static-x86_64: Process 6408 attached [pid 6407] setpgid(0, 0 [pid 6401] mkdir("./file0", 0777 [pid 6408] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6407] <... setpgid resumed>) = 0 [pid 6406] <... clone resumed>, parent_tid=[217], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 217 [pid 6404] <... write resumed>) = 2097152 [pid 6403] <... close resumed>) = 0 [pid 6401] <... mkdir resumed>) = 0 [pid 6408] <... set_robust_list resumed>) = 0 [pid 6406] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] memfd_create("syzkaller", 0 [pid 6406] <... futex resumed>) = 0 [pid 6408] <... memfd_create resumed>) = 3 [pid 6407] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6406] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6408] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6403] mkdir("./file0", 0777 [pid 6401] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6408] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6407] <... symlink resumed>) = 0 [pid 6403] <... mkdir resumed>) = 0 [pid 6407] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6403] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6404] munmap(0x7f7a51cd9000, 2097152 [pid 6407] <... symlink resumed>) = 0 [pid 6407] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 178.950711][ T6403] loop0: detected capacity change from 0 to 4096 [ 178.959443][ T6401] loop5: detected capacity change from 0 to 4096 [pid 6407] write(3, "1000", 4) = 4 [pid 6407] close(3) = 0 [pid 6407] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6407] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6404] <... munmap resumed>) = 0 [pid 6407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6404] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6407] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6404] <... openat resumed>) = 4 [pid 6407] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6404] ioctl(4, LOOP_SET_FD, 3 [pid 6407] <... mprotect resumed>) = 0 [pid 6407] 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 6409 attached [pid 6409] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6407] <... clone resumed>, parent_tid=[221], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 221 [pid 6404] <... ioctl resumed>) = 0 [pid 6409] <... set_robust_list resumed>) = 0 [pid 6407] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] close(3 [pid 6409] memfd_create("syzkaller", 0 [pid 6407] <... futex resumed>) = 0 [pid 6404] <... close resumed>) = 0 [pid 6409] <... memfd_create resumed>) = 3 [pid 6408] 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 6407] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6405] <... write resumed>) = 2097152 [pid 6404] mkdir("./file0", 0777 [pid 6403] <... mount resumed>) = 0 [pid 6401] <... mount resumed>) = 0 [pid 6409] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6405] munmap(0x7f7a51cd9000, 2097152 [pid 6404] <... mkdir resumed>) = 0 [pid 6403] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6401] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6409] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6405] <... munmap resumed>) = 0 [pid 6404] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6403] <... openat resumed>) = 3 [pid 6405] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6403] chdir("./file0" [pid 6401] <... openat resumed>) = 3 [pid 6405] <... openat resumed>) = 4 [pid 6403] <... chdir resumed>) = 0 [pid 6401] chdir("./file0" [ 179.037909][ T6404] loop4: detected capacity change from 0 to 4096 [pid 6405] ioctl(4, LOOP_SET_FD, 3 [pid 6403] ioctl(4, LOOP_CLR_FD [pid 6409] 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 6403] <... ioctl resumed>) = 0 [pid 6401] <... chdir resumed>) = 0 [pid 6403] close(4) = 0 [pid 6401] ioctl(4, LOOP_CLR_FD [pid 6403] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6403] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] <... ioctl resumed>) = 0 [pid 6405] close(3) = 0 [pid 6405] mkdir("./file0", 0777) = 0 [pid 6405] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6401] <... ioctl resumed>) = 0 [pid 6398] <... futex resumed>) = 0 [pid 6401] close(4 [pid 6398] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... futex resumed>) = 0 [pid 6401] <... close resumed>) = 0 [pid 6398] <... futex resumed>) = 1 [pid 6403] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6401] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6399] <... futex resumed>) = 0 [pid 6401] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6398] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6399] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] <... mkdirat resumed>) = 0 [pid 6401] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6399] <... futex resumed>) = 0 [pid 6403] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] <... futex resumed>) = 1 [pid 6398] <... futex resumed>) = 0 [ 179.084935][ T6405] loop3: detected capacity change from 0 to 4096 [pid 6403] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6398] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... write resumed>) = 2097152 [pid 6403] <... futex resumed>) = 0 [pid 6398] <... futex resumed>) = 1 [pid 6408] munmap(0x7f7a51cd9000, 2097152 [pid 6403] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6408] <... munmap resumed>) = 0 [pid 6398] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6408] ioctl(4, LOOP_SET_FD, 3 [pid 6403] <... symlinkat resumed>) = 0 [pid 6401] <... mkdirat resumed>) = 0 [pid 6403] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6403] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6401] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... futex resumed>) = 0 [pid 6401] <... futex resumed>) = 1 [pid 6399] <... futex resumed>) = 0 [pid 6398] close(3 [pid 6401] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... close resumed>) = 0 [pid 6399] <... futex resumed>) = 0 [pid 6401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6398] close(4) = -1 EBADF (Bad file descriptor) [pid 6399] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6401] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6398] close(5 [pid 6408] <... ioctl resumed>) = 0 [pid 6408] close(3) = 0 [pid 6408] mkdir("./file0", 0777) = 0 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] close(6) = -1 EBADF (Bad file descriptor) [pid 6398] close(7) = -1 EBADF (Bad file descriptor) [pid 6398] close(8) = -1 EBADF (Bad file descriptor) [pid 6398] close(9) = -1 EBADF (Bad file descriptor) [pid 6398] close(10 [pid 6401] <... symlinkat resumed>) = 0 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6409] <... write resumed>) = 2097152 [pid 6408] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6401] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] close(11) = -1 EBADF (Bad file descriptor) [pid 6399] <... futex resumed>) = 0 [pid 6401] <... futex resumed>) = 1 [pid 6401] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6399] close(3 [pid 6398] close(12 [pid 6399] <... close resumed>) = 0 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(4 [pid 6398] close(13 [pid 6404] <... mount resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6399] close(5 [pid 6398] close(14) = -1 EBADF (Bad file descriptor) [pid 6404] <... openat resumed>) = 3 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] close(15 [pid 6399] close(6 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] close(16 [pid 6399] close(7 [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] chdir("./file0" [pid 6398] close(17 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] close(8 [pid 6398] close(18 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6404] <... chdir resumed>) = 0 [pid 6399] close(9 [pid 6398] close(19 [pid 6409] munmap(0x7f7a51cd9000, 2097152 [pid 6405] <... mount resumed>) = 0 [pid 6404] ioctl(4, LOOP_CLR_FD [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6404] <... ioctl resumed>) = 0 [pid 6399] close(10 [pid 6398] close(20 [pid 6405] <... openat resumed>) = 3 [ 179.159491][ T6408] loop1: detected capacity change from 0 to 4096 [pid 6404] close(4 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6409] <... munmap resumed>) = 0 [pid 6405] chdir("./file0" [pid 6404] <... close resumed>) = 0 [pid 6399] close(11 [pid 6398] close(21 [pid 6405] <... chdir resumed>) = 0 [pid 6404] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] ioctl(4, LOOP_CLR_FD [pid 6404] <... futex resumed>) = 1 [pid 6399] close(12 [pid 6398] close(22 [pid 6405] <... ioctl resumed>) = 0 [pid 6404] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] <... futex resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] close(4 [pid 6402] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] close(13 [pid 6398] close(23 [pid 6409] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6405] <... close resumed>) = 0 [pid 6404] <... futex resumed>) = 0 [pid 6402] <... futex resumed>) = 1 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6409] <... openat resumed>) = 4 [pid 6405] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6402] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6399] close(14 [pid 6398] close(24 [pid 6409] ioctl(4, LOOP_SET_FD, 3 [pid 6405] <... futex resumed>) = 1 [pid 6404] <... mkdirat resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6404] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] close(15 [pid 6398] close(25 [pid 6405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6404] <... futex resumed>) = 1 [pid 6402] <... futex resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6404] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6400] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6399] close(16 [pid 6398] close(26 [pid 6405] <... mkdirat resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] close(17 [pid 6398] close(27 [pid 6405] <... futex resumed>) = 1 [pid 6400] <... futex resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6400] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] close(18 [pid 6398] close(28 [pid 6402] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6404] <... futex resumed>) = 0 [pid 6402] <... futex resumed>) = 1 [pid 6400] <... futex resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6404] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6402] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6400] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6399] close(19 [pid 6398] close(29 [pid 6405] <... symlinkat resumed>) = 0 [pid 6404] <... symlinkat resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6405] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] close(20 [pid 6398] exit_group(0 [pid 6405] <... futex resumed>) = 1 [pid 6404] <... futex resumed>) = 1 [pid 6403] <... futex resumed>) = ? [pid 6402] <... futex resumed>) = 0 [pid 6400] <... futex resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6398] <... exit_group resumed>) = ? [pid 6405] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6404] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] +++ exited with 0 +++ [pid 6402] close(3 [pid 6400] close(3 [pid 6399] close(21 [pid 6398] +++ exited with 0 +++ [pid 6402] <... close resumed>) = 0 [pid 6400] <... close resumed>) = 0 [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6402] close(4 [pid 6400] close(4 [pid 6399] close(22 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6402] close(5 [pid 6400] close(5 [pid 6399] close(23 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6409] <... ioctl resumed>) = 0 [pid 6402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6409] close(3 [pid 6402] close(6 [pid 6400] close(6 [pid 6399] close(24 [pid 5074] <... openat resumed>) = 3 [pid 6409] <... close resumed>) = 0 [pid 6402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] fstat(3, [pid 6409] mkdir("./file0", 0777 [pid 6402] close(7 [pid 6400] close(7 [pid 6399] close(25 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6409] <... mkdir resumed>) = 0 [pid 6402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] getdents64(3, [pid 6409] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6402] close(8 [pid 6400] close(8 [pid 6399] close(26 [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6408] <... mount resumed>) = 0 [pid 5074] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6408] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6402] close(9 [pid 6400] close(9 [pid 6399] close(27 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6408] <... openat resumed>) = 3 [pid 6402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./102/binderfs", [pid 6400] close(10 [pid 6399] close(28 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] unlink("./102/binderfs" [pid 6402] close(10 [pid 6400] close(11 [pid 6399] close(29 [pid 5074] <... unlink resumed>) = 0 [pid 6408] chdir("./file0" [pid 6402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./102/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6408] <... chdir resumed>) = 0 [pid 6402] close(11 [pid 6400] close(12 [ 179.248799][ T6409] loop2: detected capacity change from 0 to 4096 [pid 6399] exit_group(0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6408] ioctl(4, LOOP_CLR_FD [pid 6402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6401] <... futex resumed>) = ? [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6399] <... exit_group resumed>) = ? [pid 5074] lstat("./102/cgroup", [pid 6408] <... ioctl resumed>) = 0 [pid 6402] close(12 [pid 6401] +++ exited with 0 +++ [pid 6400] close(13 [pid 6399] +++ exited with 0 +++ [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6408] close(4 [pid 6402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 5074] unlink("./102/cgroup" [pid 6408] <... close resumed>) = 0 [pid 6402] close(13 [pid 6400] close(14 [pid 6408] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... unlink resumed>) = 0 [pid 6408] <... futex resumed>) = 1 [pid 6406] <... futex resumed>) = 0 [pid 6402] close(14 [pid 6400] close(15 [pid 5074] umount2("./102/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6408] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6408] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6406] <... futex resumed>) = 0 [pid 6400] close(16 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6406] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] lstat("./102/cgroup.net", [pid 6408] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6402] close(15 [pid 6400] close(17 [pid 5077] <... openat resumed>) = 3 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6408] <... mkdirat resumed>) = 0 [pid 6402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] fstat(3, [pid 5074] unlink("./102/cgroup.net" [pid 6409] <... mount resumed>) = 0 [pid 6408] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6402] close(16 [pid 6400] close(18 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6409] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6408] <... futex resumed>) = 1 [pid 6406] <... futex resumed>) = 0 [pid 6402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] getdents64(3, [pid 5074] <... unlink resumed>) = 0 [pid 6408] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6402] close(17) = -1 EBADF (Bad file descriptor) [pid 6402] close(18) = -1 EBADF (Bad file descriptor) [pid 6402] close(19) = -1 EBADF (Bad file descriptor) [pid 6402] close(20) = -1 EBADF (Bad file descriptor) [pid 6402] close(21) = -1 EBADF (Bad file descriptor) [pid 6402] close(22) = -1 EBADF (Bad file descriptor) [pid 6402] close(23) = -1 EBADF (Bad file descriptor) [pid 6402] close(24) = -1 EBADF (Bad file descriptor) [pid 6402] close(25) = -1 EBADF (Bad file descriptor) [pid 6402] close(26) = -1 EBADF (Bad file descriptor) [pid 6402] close(27) = -1 EBADF (Bad file descriptor) [pid 6402] close(28) = -1 EBADF (Bad file descriptor) [pid 6402] close(29) = -1 EBADF (Bad file descriptor) [pid 6402] exit_group(0) = ? [pid 6404] <... futex resumed>) = ? [pid 6406] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] close(19 [pid 6408] <... futex resumed>) = 0 [pid 6406] <... futex resumed>) = 1 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6408] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6406] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6409] <... openat resumed>) = 3 [pid 6408] <... symlinkat resumed>) = 0 [pid 6404] +++ exited with 0 +++ [pid 6402] +++ exited with 0 +++ [pid 6400] close(20 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6408] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6408] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] <... futex resumed>) = 0 [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./104/binderfs", [pid 6400] close(21 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6406] close(3 [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./104/binderfs" [pid 6400] close(22) = -1 EBADF (Bad file descriptor) [pid 6400] close(23) = -1 EBADF (Bad file descriptor) [pid 6406] <... close resumed>) = 0 [pid 6406] close(4 [pid 6400] close(24 [pid 5077] <... unlink resumed>) = 0 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./104/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6406] close(5 [pid 6400] close(25 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./104/cgroup", [pid 6406] close(6 [pid 6400] close(26 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6406] close(7 [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./104/cgroup" [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=204, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] close(27 [pid 6406] close(8 [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 5076] umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6400] close(28 [pid 5077] umount2("./104/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(9 [pid 6400] close(29 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(10 [pid 5077] lstat("./104/cgroup.net", [pid 6400] exit_group(0 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6406] close(11 [pid 6405] <... futex resumed>) = ? [pid 6400] <... exit_group resumed>) = ? [pid 5076] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6405] +++ exited with 0 +++ [pid 6400] +++ exited with 0 +++ [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./104/cgroup.net" [pid 6406] close(12 [pid 5076] <... openat resumed>) = 3 [pid 6409] chdir("./file0" [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 5076] fstat(3, [pid 6406] close(13 [pid 5077] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 6406] close(14 [pid 5076] getdents64(3, [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6409] <... chdir resumed>) = 0 [pid 6409] ioctl(4, LOOP_CLR_FD) = 0 [pid 6409] close(4) = 0 [pid 6409] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6407] <... futex resumed>) = 0 [pid 6409] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6407] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6409] <... mkdirat resumed>) = 0 [pid 6407] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] <... futex resumed>) = 0 [pid 6409] <... futex resumed>) = 1 [pid 6407] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6407] <... futex resumed>) = 0 [pid 6407] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6409] <... symlinkat resumed>) = 0 [pid 6406] close(15 [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6406] close(16 [pid 5075] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6409] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6406] close(17 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] lstat("./101/binderfs", [pid 6409] <... futex resumed>) = 1 [pid 6407] <... futex resumed>) = 0 [pid 6406] close(18 [pid 5075] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6409] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6407] close(3 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6407] <... close resumed>) = 0 [pid 6406] close(19 [pid 5076] unlink("./101/binderfs" [pid 5075] <... openat resumed>) = 3 [pid 6407] close(4 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(20 [pid 5076] <... unlink resumed>) = 0 [pid 5075] fstat(3, [pid 6407] close(5 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./101/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(21 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 6407] close(6 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] lstat("./101/cgroup", [pid 5075] getdents64(3, [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(22 [pid 6407] close(7 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(23 [pid 5076] unlink("./101/cgroup" [pid 5075] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6407] close(8 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(24 [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6407] close(9 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./101/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] lstat("./103/binderfs", [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(25 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./102/file0", [pid 6407] close(10 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] lstat("./101/cgroup.net", [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(26 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] unlink("./103/binderfs" [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6407] close(11 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = 0 [pid 5076] unlink("./101/cgroup.net" [pid 5075] <... unlink resumed>) = 0 [pid 5074] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(27 [pid 6407] close(12 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... unlink resumed>) = 0 [pid 5075] umount2("./103/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(28 [pid 5076] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./102/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6407] close(13 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] lstat("./103/cgroup", [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] close(29 [pid 5074] <... openat resumed>) = 4 [pid 6407] close(14 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] unlink("./103/cgroup" [pid 6407] close(15 [pid 6406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] fstat(4, [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] exit_group(0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... unlink resumed>) = 0 [pid 6408] <... futex resumed>) = ? [pid 6407] close(16 [pid 6406] <... exit_group resumed>) = ? [pid 5075] umount2("./103/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6408] +++ exited with 0 +++ [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./104/file0", [pid 6407] close(17 [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6406] +++ exited with 0 +++ [pid 5077] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(4, [pid 6407] close(18 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./103/cgroup.net", [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5077] openat(AT_FDCWD, "./104/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6407] close(19 [pid 5078] <... restart_syscall resumed>) = 0 [pid 5077] <... openat resumed>) = 4 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] getdents64(4, [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] fstat(4, [pid 5075] unlink("./103/cgroup.net" [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6407] close(20 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] getdents64(4, [pid 5075] <... unlink resumed>) = 0 [pid 5074] close(4 [pid 6407] close(21 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] getdents64(4, [pid 5074] <... close resumed>) = 0 [pid 6407] close(22 [pid 5078] <... openat resumed>) = 3 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] fstat(3, [pid 5077] close(4 [pid 5074] rmdir("./102/file0" [pid 6407] close(23 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... close resumed>) = 0 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(3, [pid 5077] rmdir("./104/file0" [pid 5074] <... rmdir resumed>) = 0 [pid 6407] close(24 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] <... umount2 resumed>) = 0 [pid 5074] umount2("./102/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] umount2("./104/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6407] close(25 [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 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./107/binderfs", [pid 5077] lstat("./104/cgroup.cpu", [pid 5076] lstat("./101/file0", [pid 5074] lstat("./102/cgroup.cpu", [pid 6407] close(26 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] <... 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 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./107/binderfs" [pid 5077] unlink("./104/cgroup.cpu" [pid 5076] umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6407] close(27 [pid 5078] <... unlink resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] unlink("./102/cgroup.cpu" [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./107/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] getdents64(3, [pid 5076] openat(AT_FDCWD, "./101/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6407] close(28 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] <... openat resumed>) = 4 [pid 5074] <... unlink resumed>) = 0 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./107/cgroup", [pid 5077] close(3 [pid 5076] fstat(4, [pid 5074] getdents64(3, [pid 6407] close(29 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] <... close resumed>) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./107/cgroup" [pid 5077] rmdir("./104" [pid 5076] getdents64(4, [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6407] exit_group(0 [pid 5078] <... unlink resumed>) = 0 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] close(3 [pid 6409] <... futex resumed>) = ? [pid 6407] <... exit_group resumed>) = ? [pid 5078] umount2("./107/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] mkdir("./105", 0777 [pid 5076] getdents64(4, [pid 5075] <... umount2 resumed>) = 0 [pid 6409] +++ exited with 0 +++ [pid 6407] +++ exited with 0 +++ [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... mkdir resumed>) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... close resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5078] lstat("./107/cgroup.net", [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5076] close(4 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] rmdir("./102" [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] <... openat resumed>) = 3 [pid 5076] <... close resumed>) = 0 [pid 5075] lstat("./103/file0", [pid 5078] unlink("./107/cgroup.net" [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] rmdir("./101/file0" [pid 5074] <... rmdir resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] mkdir("./103", 0777 [pid 5078] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] close(3 [pid 5076] umount2("./101/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... close resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... mkdir resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] openat(AT_FDCWD, "./103/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5075] <... openat resumed>) = 4 [pid 5074] <... openat resumed>) = 3 [pid 5075] fstat(4, [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] getdents64(4, [pid 5074] close(3 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] <... close resumed>) = 0 [pid 5075] getdents64(4, [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6410 attached [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] lstat("./101/cgroup.cpu", [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6411 attached [pid 5079] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] close(4 [pid 6411] set_robust_list(0x5555562845e0, 24 [pid 6410] set_robust_list(0x5555562845e0, 24 [pid 5079] <... openat resumed>) = 3 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 212 [pid 5076] unlink("./101/cgroup.cpu" [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 208 [pid 6411] <... set_robust_list resumed>) = 0 [pid 6410] <... set_robust_list resumed>) = 0 [pid 5079] fstat(3, [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 6411] chdir("./105" [pid 6410] chdir("./103" [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] getdents64(3, [pid 6411] <... chdir resumed>) = 0 [pid 6410] <... chdir resumed>) = 0 [pid 5079] getdents64(3, [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] rmdir("./103/file0" [pid 6411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] close(3 [pid 6411] <... prctl resumed>) = 0 [pid 5079] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... close resumed>) = 0 [pid 6411] setpgid(0, 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] rmdir("./101" [pid 5075] <... rmdir resumed>) = 0 [pid 6410] <... prctl resumed>) = 0 [pid 6411] <... setpgid resumed>) = 0 [pid 5079] lstat("./109/binderfs", [pid 5076] <... rmdir resumed>) = 0 [pid 6411] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6410] setpgid(0, 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] mkdir("./102", 0777 [pid 5075] umount2("./103/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6411] <... symlink resumed>) = 0 [pid 6410] <... setpgid resumed>) = 0 [pid 5079] unlink("./109/binderfs" [pid 5076] <... mkdir resumed>) = 0 [pid 6411] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6410] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5079] <... unlink resumed>) = 0 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6411] <... symlink resumed>) = 0 [pid 6410] <... symlink resumed>) = 0 [pid 5079] umount2("./109/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... openat resumed>) = 3 [pid 5075] lstat("./103/cgroup.cpu", [pid 6411] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6410] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6411] <... symlink resumed>) = 0 [pid 5079] lstat("./109/cgroup", [pid 5078] <... umount2 resumed>) = 0 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] unlink("./103/cgroup.cpu" [pid 6411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6410] <... symlink resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] close(3 [pid 6411] <... openat resumed>) = 3 [pid 6410] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5079] unlink("./109/cgroup" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... close resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6411] write(3, "1000", 4 [pid 5079] <... unlink resumed>) = 0 [pid 5078] lstat("./107/file0", [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6412 attached [pid 6411] <... write resumed>) = 4 [pid 5079] umount2("./109/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6412] set_robust_list(0x5555562845e0, 24 [pid 6411] close(3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 206 [pid 6412] <... set_robust_list resumed>) = 0 [pid 6411] <... close resumed>) = 0 [pid 5079] lstat("./109/cgroup.net", [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6412] chdir("./102" [pid 6411] symlink("/dev/binderfs", "./binderfs" [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] openat(AT_FDCWD, "./107/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6412] <... chdir resumed>) = 0 [pid 6411] <... symlink resumed>) = 0 [pid 5079] unlink("./109/cgroup.net" [pid 5078] <... openat resumed>) = 4 [pid 6412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6411] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... unlink resumed>) = 0 [pid 5078] fstat(4, [pid 6412] <... prctl resumed>) = 0 [pid 6411] <... futex resumed>) = 0 [pid 6410] <... symlink resumed>) = 0 [pid 5079] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] getdents64(3, [pid 6412] setpgid(0, 0 [pid 6411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] getdents64(4, [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6412] <... setpgid resumed>) = 0 [pid 6411] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6410] <... openat resumed>) = 3 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] close(3 [pid 6412] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6411] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6410] write(3, "1000", 4 [pid 5078] getdents64(4, [pid 5075] <... close resumed>) = 0 [pid 6412] <... symlink resumed>) = 0 [pid 6411] <... mprotect resumed>) = 0 [pid 6410] <... write resumed>) = 4 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] rmdir("./103" [pid 6412] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6411] 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 6410] close(3 [pid 5078] close(4./strace-static-x86_64: Process 6413 attached [pid 6412] <... symlink resumed>) = 0 [pid 6410] <... close resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 6413] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6412] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6411] <... clone resumed>, parent_tid=[213], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 213 [pid 6410] symlink("/dev/binderfs", "./binderfs" [pid 5078] rmdir("./107/file0" [pid 5075] mkdir("./104", 0777 [pid 6413] <... set_robust_list resumed>) = 0 [pid 6412] <... symlink resumed>) = 0 [pid 6411] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] <... symlink resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 6413] memfd_create("syzkaller", 0 [pid 6412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6411] <... futex resumed>) = 0 [pid 6410] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] umount2("./107/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... mkdir resumed>) = 0 [pid 6413] <... memfd_create resumed>) = 3 [pid 6412] <... openat resumed>) = 3 [pid 6411] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6410] <... futex resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6412] write(3, "1000", 4 [pid 6410] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5078] lstat("./107/cgroup.cpu", [pid 6413] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6412] <... write resumed>) = 4 [pid 5079] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6412] close(3 [pid 6410] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] unlink("./107/cgroup.cpu" [pid 5075] <... openat resumed>) = 3 [pid 6412] <... close resumed>) = 0 [pid 5079] lstat("./109/file0", [pid 5078] <... unlink resumed>) = 0 [pid 6412] symlink("/dev/binderfs", "./binderfs" [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(3, [pid 6412] <... symlink resumed>) = 0 [pid 6410] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6412] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] <... mprotect resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] close(3 [pid 6412] <... futex resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./109/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... close resumed>) = 0 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6410] 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] <... openat resumed>) = 4 [pid 5078] rmdir("./107" [pid 5075] close(3./strace-static-x86_64: Process 6414 attached [pid 6412] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5079] fstat(4, [pid 5078] <... rmdir resumed>) = 0 [pid 6414] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6412] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] mkdir("./108", 0777 [pid 5075] <... close resumed>) = 0 [pid 6414] <... set_robust_list resumed>) = 0 [pid 6412] <... mprotect resumed>) = 0 [pid 5079] getdents64(4, [pid 5078] <... mkdir resumed>) = 0 [pid 6414] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6412] 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 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 6415 attached [pid 5079] getdents64(4, [pid 5078] <... openat resumed>) = 3 [pid 6415] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6412] <... clone resumed>, parent_tid=[207], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 207 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6415] <... set_robust_list resumed>) = 0 [pid 6413] 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 6412] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] <... clone resumed>, parent_tid=[209], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 209 [pid 5079] close(4 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6415] memfd_create("syzkaller", 0 [pid 6412] <... futex resumed>) = 0 [pid 6410] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... close resumed>) = 0 [pid 5078] close(3 [pid 6415] <... memfd_create resumed>) = 3 [pid 6412] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] rmdir("./109/file0" [pid 5078] <... close resumed>) = 0 ./strace-static-x86_64: Process 6416 attached [pid 6415] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6414] <... futex resumed>) = 0 [pid 6410] <... futex resumed>) = 1 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6417 attached [pid 6416] set_robust_list(0x5555562845e0, 24 [pid 6415] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6414] memfd_create("syzkaller", 0 [pid 6410] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] umount2("./109/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 210 [pid 6417] set_robust_list(0x5555562845e0, 24 [pid 6416] <... set_robust_list resumed>) = 0 [pid 6414] <... memfd_create resumed>) = 3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 218 [pid 6417] <... set_robust_list resumed>) = 0 [pid 6414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5079] lstat("./109/cgroup.cpu", [pid 6417] chdir("./108" [pid 6416] chdir("./104" [pid 6414] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6417] <... chdir resumed>) = 0 [pid 6416] <... chdir resumed>) = 0 [pid 5079] unlink("./109/cgroup.cpu" [pid 6417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... unlink resumed>) = 0 [pid 6417] <... prctl resumed>) = 0 [pid 5079] getdents64(3, [pid 6417] setpgid(0, 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6417] <... setpgid resumed>) = 0 [pid 5079] close(3 [pid 6417] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5079] <... close resumed>) = 0 [pid 6417] <... symlink resumed>) = 0 [pid 5079] rmdir("./109" [pid 6417] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... rmdir resumed>) = 0 [pid 6417] <... symlink resumed>) = 0 [pid 6416] <... prctl resumed>) = 0 [pid 6413] <... write resumed>) = 2097152 [pid 5079] mkdir("./110", 0777 [pid 6417] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6416] setpgid(0, 0 [pid 6413] munmap(0x7f7a51cd9000, 2097152 [pid 5079] <... mkdir resumed>) = 0 [pid 6417] <... symlink resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... openat resumed>) = 3 [pid 6417] <... openat resumed>) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6417] write(3, "1000", 4 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6417] <... write resumed>) = 4 [pid 5079] close(3 [pid 6417] close(3 [pid 5079] <... close resumed>) = 0 [pid 6417] <... close resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6418 attached [pid 6417] symlink("/dev/binderfs", "./binderfs" [pid 6416] <... setpgid resumed>) = 0 [pid 6418] set_robust_list(0x5555562845e0, 24 [pid 6417] <... symlink resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 222 [pid 6418] <... set_robust_list resumed>) = 0 [pid 6417] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6418] chdir("./110" [pid 6417] <... futex resumed>) = 0 [pid 6418] <... chdir resumed>) = 0 [pid 6417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6416] <... symlink resumed>) = 0 [pid 6418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6417] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6416] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6418] <... prctl resumed>) = 0 [pid 6417] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6418] setpgid(0, 0 [pid 6417] <... mprotect resumed>) = 0 [pid 6416] <... symlink resumed>) = 0 [pid 6418] <... setpgid resumed>) = 0 [pid 6417] 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 6416] symlink("/syzcgroup/net/syz3", "./cgroup.net"./strace-static-x86_64: Process 6419 attached [pid 6418] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6416] <... symlink resumed>) = 0 [pid 6414] 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 6413] <... munmap resumed>) = 0 [pid 6419] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6418] <... symlink resumed>) = 0 [pid 6417] <... clone resumed>, parent_tid=[219], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 219 [pid 6416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6419] <... set_robust_list resumed>) = 0 [pid 6418] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6417] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... openat resumed>) = 3 [pid 6419] memfd_create("syzkaller", 0 [pid 6418] <... symlink resumed>) = 0 [pid 6417] <... futex resumed>) = 0 [pid 6416] write(3, "1000", 4 [pid 6413] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6419] <... memfd_create resumed>) = 3 [pid 6418] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6417] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6416] <... write resumed>) = 4 [pid 6419] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6418] <... symlink resumed>) = 0 [pid 6416] close(3 [pid 6413] <... openat resumed>) = 4 [pid 6415] 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 6419] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6416] <... close resumed>) = 0 [pid 6413] ioctl(4, LOOP_SET_FD, 3 [pid 6418] <... openat resumed>) = 3 [pid 6416] symlink("/dev/binderfs", "./binderfs" [pid 6418] write(3, "1000", 4) = 4 [pid 6418] close(3) = 0 [pid 6418] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6418] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6418] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6418] 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 6420 attached [pid 6420] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6419] 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 6418] <... clone resumed>, parent_tid=[223], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 223 [pid 6416] <... symlink resumed>) = 0 [pid 6413] <... ioctl resumed>) = 0 [pid 6420] <... set_robust_list resumed>) = 0 [pid 6418] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] close(3 [pid 6420] memfd_create("syzkaller", 0 [pid 6418] <... futex resumed>) = 0 [pid 6416] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... close resumed>) = 0 [pid 6420] <... memfd_create resumed>) = 3 [pid 6418] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6416] <... futex resumed>) = 0 [pid 6413] mkdir("./file0", 0777 [pid 6420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6420] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6413] <... mkdir resumed>) = 0 [pid 6416] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6416] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [ 179.833197][ T6413] loop5: detected capacity change from 0 to 4096 [pid 6413] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6416] <... mprotect resumed>) = 0 [pid 6416] 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 6421 attached [pid 6421] set_robust_list(0x7f7a5a0f99e0, 24) = 0 [pid 6416] <... clone resumed>, parent_tid=[211], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 211 [pid 6421] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6416] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] <... futex resumed>) = 0 [pid 6416] <... futex resumed>) = 1 [pid 6421] memfd_create("syzkaller", 0 [pid 6416] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6415] <... write resumed>) = 2097152 [pid 6421] <... memfd_create resumed>) = 3 [pid 6413] <... mount resumed>) = 0 [pid 6421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 6420] 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 6419] <... write resumed>) = 2097152 [pid 6415] munmap(0x7f7a51cd9000, 2097152 [pid 6414] <... write resumed>) = 2097152 [pid 6413] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6419] munmap(0x7f7a51cd9000, 2097152 [pid 6415] <... munmap resumed>) = 0 [pid 6414] munmap(0x7f7a51cd9000, 2097152 [pid 6413] <... openat resumed>) = 3 [pid 6421] 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 6419] <... munmap resumed>) = 0 [pid 6415] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6414] <... munmap resumed>) = 0 [pid 6413] chdir("./file0" [pid 6415] <... openat resumed>) = 4 [pid 6413] <... chdir resumed>) = 0 [pid 6415] ioctl(4, LOOP_SET_FD, 3 [pid 6413] ioctl(4, LOOP_CLR_FD [pid 6419] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6415] <... ioctl resumed>) = 0 [pid 6413] <... ioctl resumed>) = 0 [pid 6419] <... openat resumed>) = 4 [pid 6415] close(3 [pid 6414] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6413] close(4 [pid 6419] ioctl(4, LOOP_SET_FD, 3 [pid 6415] <... close resumed>) = 0 [pid 6414] <... openat resumed>) = 4 [pid 6413] <... close resumed>) = 0 [pid 6415] mkdir("./file0", 0777 [pid 6414] ioctl(4, LOOP_SET_FD, 3 [pid 6413] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... mkdir resumed>) = 0 [pid 6413] <... futex resumed>) = 1 [pid 6411] <... futex resumed>) = 0 [pid 6420] <... write resumed>) = 2097152 [pid 6415] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6413] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6411] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] munmap(0x7f7a51cd9000, 2097152 [pid 6413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6411] <... futex resumed>) = 0 [pid 6413] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6414] <... ioctl resumed>) = 0 [pid 6414] close(3) = 0 [pid 6414] mkdir("./file0", 0777) = 0 [pid 6411] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6414] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6419] <... ioctl resumed>) = 0 [pid 6419] close(3 [pid 6421] <... write resumed>) = 2097152 [pid 6420] <... munmap resumed>) = 0 [pid 6413] <... mkdirat resumed>) = 0 [pid 6420] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6413] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] <... openat resumed>) = 4 [pid 6419] <... close resumed>) = 0 [pid 6413] <... futex resumed>) = 1 [pid 6411] <... futex resumed>) = 0 [pid 6420] ioctl(4, LOOP_SET_FD, 3 [pid 6419] mkdir("./file0", 0777 [ 179.961726][ T6415] loop4: detected capacity change from 0 to 4096 [ 179.985010][ T6419] loop1: detected capacity change from 0 to 4096 [ 179.994448][ T6414] loop0: detected capacity change from 0 to 4096 [pid 6413] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6411] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] <... mkdir resumed>) = 0 [pid 6413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6411] <... futex resumed>) = 0 [pid 6419] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6413] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6411] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6421] munmap(0x7f7a51cd9000, 2097152) = 0 [pid 6413] <... symlinkat resumed>) = 0 [pid 6421] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6413] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] <... openat resumed>) = 4 [pid 6413] <... futex resumed>) = 1 [pid 6411] <... futex resumed>) = 0 [pid 6421] ioctl(4, LOOP_SET_FD, 3 [pid 6413] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6411] close(3 [pid 6420] <... ioctl resumed>) = 0 [pid 6411] <... close resumed>) = 0 [pid 6420] close(3 [pid 6411] close(4 [pid 6420] <... close resumed>) = 0 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] mkdir("./file0", 0777 [pid 6411] close(5) = -1 EBADF (Bad file descriptor) [pid 6411] close(6) = -1 EBADF (Bad file descriptor) [pid 6411] close(7) = -1 EBADF (Bad file descriptor) [pid 6411] close(8) = -1 EBADF (Bad file descriptor) [pid 6420] <... mkdir resumed>) = 0 [pid 6411] close(9 [pid 6420] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6411] close(10) = -1 EBADF (Bad file descriptor) [pid 6411] close(11 [pid 6421] <... ioctl resumed>) = 0 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] close(3 [pid 6411] close(12 [pid 6421] <... close resumed>) = 0 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] mkdir("./file0", 0777 [pid 6411] close(13 [pid 6421] <... mkdir resumed>) = 0 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6411] close(14) = -1 EBADF (Bad file descriptor) [pid 6411] close(15) = -1 EBADF (Bad file descriptor) [pid 6411] close(16) = -1 EBADF (Bad file descriptor) [pid 6415] <... mount resumed>) = 0 [pid 6411] close(17 [pid 6415] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] <... openat resumed>) = 3 [pid 6411] close(18 [pid 6415] chdir("./file0" [pid 6414] <... mount resumed>) = 0 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 180.042618][ T6420] loop2: detected capacity change from 0 to 4096 [ 180.061139][ T6421] loop3: detected capacity change from 0 to 4096 [pid 6415] <... chdir resumed>) = 0 [pid 6414] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6411] close(19 [pid 6414] <... openat resumed>) = 3 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] chdir("./file0" [pid 6411] close(20 [pid 6414] <... chdir resumed>) = 0 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] ioctl(4, LOOP_CLR_FD [pid 6411] close(21 [pid 6415] ioctl(4, LOOP_CLR_FD [pid 6414] <... ioctl resumed>) = 0 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] <... ioctl resumed>) = 0 [pid 6414] close(4 [pid 6411] close(22 [pid 6415] close(4 [pid 6414] <... close resumed>) = 0 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6414] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6411] close(23 [pid 6410] <... futex resumed>) = 0 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... close resumed>) = 0 [pid 6415] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] <... futex resumed>) = 0 [pid 6411] close(24 [pid 6410] <... futex resumed>) = 1 [pid 6420] <... mount resumed>) = 0 [pid 6415] <... futex resumed>) = 1 [pid 6414] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6412] <... futex resumed>) = 0 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6420] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6419] <... mount resumed>) = 0 [pid 6415] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6414] <... mkdirat resumed>) = 0 [pid 6412] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] close(25 [pid 6420] <... openat resumed>) = 3 [pid 6419] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6414] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] <... futex resumed>) = 0 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] chdir("./file0" [pid 6419] <... openat resumed>) = 3 [pid 6415] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6414] <... futex resumed>) = 1 [pid 6412] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6411] close(26 [pid 6410] <... futex resumed>) = 0 [pid 6420] <... chdir resumed>) = 0 [pid 6419] chdir("./file0" [pid 6414] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] ioctl(4, LOOP_CLR_FD [pid 6419] <... chdir resumed>) = 0 [pid 6415] <... mkdirat resumed>) = 0 [pid 6414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6411] close(27 [pid 6410] <... futex resumed>) = 0 [pid 6420] <... ioctl resumed>) = 0 [pid 6419] ioctl(4, LOOP_CLR_FD [pid 6415] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6420] close(4 [pid 6419] <... ioctl resumed>) = 0 [pid 6415] <... futex resumed>) = 1 [pid 6414] <... symlinkat resumed>) = 0 [pid 6412] <... futex resumed>) = 0 [pid 6411] close(28 [pid 6420] <... close resumed>) = 0 [pid 6419] close(4 [pid 6415] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6414] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6420] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] <... close resumed>) = 0 [pid 6415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6414] <... futex resumed>) = 1 [pid 6412] <... futex resumed>) = 0 [pid 6411] close(29 [pid 6410] <... futex resumed>) = 0 [pid 6421] <... mount resumed>) = 0 [pid 6420] <... futex resumed>) = 1 [pid 6419] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... futex resumed>) = 0 [pid 6415] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6414] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6412] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] close(3 [pid 6421] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6420] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6419] <... futex resumed>) = 1 [pid 6418] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... futex resumed>) = 0 [pid 6415] <... symlinkat resumed>) = 0 [pid 6411] exit_group(0 [pid 6410] <... close resumed>) = 0 [pid 6421] <... openat resumed>) = 3 [pid 6420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6419] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6418] <... futex resumed>) = 0 [pid 6417] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... futex resumed>) = ? [pid 6411] <... exit_group resumed>) = ? [pid 6410] close(4 [pid 6421] chdir("./file0" [pid 6420] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6418] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] <... futex resumed>) = 0 [pid 6415] <... futex resumed>) = 1 [pid 6413] +++ exited with 0 +++ [pid 6412] <... futex resumed>) = 0 [pid 6411] +++ exited with 0 +++ [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] <... chdir resumed>) = 0 [pid 6419] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6417] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6415] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6412] close(3 [pid 6410] close(5 [pid 6421] ioctl(4, LOOP_CLR_FD [pid 6420] <... mkdirat resumed>) = 0 [pid 6412] <... close resumed>) = 0 [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] <... ioctl resumed>) = 0 [pid 6420] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] <... mkdirat resumed>) = 0 [pid 6412] close(4 [pid 6410] close(6 [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 6421] close(4 [pid 6420] <... futex resumed>) = 1 [pid 6419] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... futex resumed>) = 0 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] restart_syscall(<... resuming interrupted clone ...> [pid 6421] <... close resumed>) = 0 [pid 6420] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] close(7 [pid 6421] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] <... futex resumed>) = 1 [pid 6418] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6417] <... futex resumed>) = 0 [pid 6412] close(5 [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... restart_syscall resumed>) = 0 [pid 6421] <... futex resumed>) = 1 [pid 6420] <... futex resumed>) = 0 [pid 6419] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6418] <... futex resumed>) = 1 [pid 6417] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... futex resumed>) = 0 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] close(8 [pid 6421] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6420] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6419] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6418] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6417] <... futex resumed>) = 0 [pid 6416] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6416] <... futex resumed>) = 0 [pid 6410] close(9 [pid 6421] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6416] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6412] close(6 [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] <... mkdirat resumed>) = 0 [pid 6420] <... symlinkat resumed>) = 0 [pid 6419] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6417] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] close(10 [pid 6421] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6420] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] close(7 [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] <... futex resumed>) = 1 [pid 6420] <... futex resumed>) = 1 [pid 6419] <... symlinkat resumed>) = 0 [pid 6418] <... futex resumed>) = 0 [pid 6416] <... futex resumed>) = 0 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] close(11 [pid 5077] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6421] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6420] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6419] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] close(3 [pid 6416] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6416] <... futex resumed>) = 0 [pid 6410] close(12 [pid 6421] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6416] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6421] <... symlinkat resumed>) = 0 [pid 6419] <... futex resumed>) = 1 [pid 6418] <... close resumed>) = 0 [pid 6417] <... futex resumed>) = 0 [pid 6412] close(8 [pid 6410] close(13 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6421] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6418] close(4 [pid 6417] close(3 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6421] <... futex resumed>) = 1 [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = 0 [pid 6416] <... futex resumed>) = 0 [pid 6412] close(9 [pid 6410] close(14 [pid 6421] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6418] close(5 [pid 6417] close(4 [pid 6416] close(3 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... openat resumed>) = 3 [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = 0 [pid 6412] close(10 [pid 6410] close(15 [pid 5077] fstat(3, [pid 6418] close(6 [pid 6417] close(5 [pid 6416] close(4 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] close(11 [pid 6410] close(16 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6418] close(7 [pid 6417] close(6 [pid 6416] close(5 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] getdents64(3, [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] close(12 [pid 6410] close(17 [pid 6418] close(8 [pid 6417] close(7 [pid 6416] close(6 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] close(13 [pid 6410] close(18 [pid 5077] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6418] close(9 [pid 6417] close(8 [pid 6416] close(7 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] close(14 [pid 6410] close(19 [pid 5077] lstat("./105/binderfs", [pid 6418] close(10 [pid 6417] close(9 [pid 6416] close(8 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] close(15 [pid 6410] close(20 [pid 5077] unlink("./105/binderfs" [pid 6418] close(11 [pid 6417] close(10 [pid 6416] close(9 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] close(16 [pid 6410] close(21 [pid 5077] umount2("./105/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6418] close(12 [pid 6417] close(11 [pid 6416] close(10 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] close(17 [pid 6410] close(22 [pid 5077] lstat("./105/cgroup", [pid 6418] close(13 [pid 6417] close(12 [pid 6416] close(11 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] close(18 [pid 6410] close(23 [pid 5077] unlink("./105/cgroup" [pid 6418] close(14 [pid 6417] close(13 [pid 6416] close(12 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] close(19 [pid 6410] close(24 [pid 5077] umount2("./105/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6418] close(15 [pid 6417] close(14 [pid 6416] close(13 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] close(20 [pid 6410] close(25 [pid 5077] lstat("./105/cgroup.net", [pid 6418] close(16 [pid 6417] close(15 [pid 6416] close(14 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] close(21 [pid 6410] close(26 [pid 5077] unlink("./105/cgroup.net" [pid 6418] close(17 [pid 6417] close(16 [pid 6416] close(15 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] close(22 [pid 6410] close(27 [pid 5077] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6418] close(18 [pid 6417] close(17 [pid 6416] close(16 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] close(23 [pid 6418] close(19 [pid 6417] close(18 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] close(28 [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] close(17 [pid 6412] close(24 [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6418] close(20 [pid 6417] close(19 [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] close(29 [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] close(18 [pid 6412] close(25 [pid 6418] close(21 [pid 6417] close(20 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] close(26 [pid 6418] close(22 [pid 6417] close(21 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] close(27 [pid 6418] close(23 [pid 6417] close(22 [pid 6416] close(19 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] exit_group(0 [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] close(28 [pid 6418] close(24 [pid 6417] close(23 [pid 6416] close(20 [pid 6414] <... futex resumed>) = ? [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6410] <... exit_group resumed>) = ? [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6414] +++ exited with 0 +++ [pid 6412] close(29 [pid 6418] close(25 [pid 6417] close(24 [pid 6412] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6412] exit_group(0 [pid 6418] close(26 [pid 6417] close(25 [pid 6416] close(21 [pid 6415] <... futex resumed>) = ? [pid 6412] <... exit_group resumed>) = ? [pid 6410] +++ exited with 0 +++ [pid 5077] <... umount2 resumed>) = 0 [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6415] +++ exited with 0 +++ [pid 6412] +++ exited with 0 +++ [pid 5077] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6418] close(27 [pid 6417] close(26 [pid 6416] close(22 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./105/file0", [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6418] close(28 [pid 6417] close(27 [pid 6416] close(23 [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6418] close(29 [pid 6417] close(28 [pid 6416] close(24 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6418] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] openat(AT_FDCWD, "./105/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... openat resumed>) = 3 [pid 5074] <... openat resumed>) = 3 [pid 6418] exit_group(0 [pid 6417] close(29 [pid 6416] close(25 [pid 5077] <... openat resumed>) = 4 [pid 5076] fstat(3, [pid 5074] fstat(3, [pid 6420] <... futex resumed>) = ? [pid 6418] <... exit_group resumed>) = ? [pid 6417] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] fstat(4, [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6420] +++ exited with 0 +++ [pid 6416] close(26 [pid 5077] <... 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 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] getdents64(4, [pid 6418] +++ exited with 0 +++ [pid 6416] close(27 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6417] exit_group(0 [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] getdents64(4, [pid 5076] getdents64(3, [pid 5074] getdents64(3, [pid 6419] <... futex resumed>) = ? [pid 6417] <... exit_group resumed>) = ? [pid 6416] close(28 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(4 [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6416] close(29 [pid 5077] <... close resumed>) = 0 [pid 6416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] rmdir("./105/file0" [pid 6419] +++ exited with 0 +++ [pid 6417] +++ exited with 0 +++ [pid 6416] exit_group(0 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5077] <... rmdir resumed>) = 0 [pid 5076] umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6421] <... futex resumed>) = ? [pid 6416] <... exit_group resumed>) = ? [pid 5079] <... restart_syscall resumed>) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5077] umount2("./105/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6421] +++ exited with 0 +++ [pid 6416] +++ exited with 0 +++ [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./102/binderfs", [pid 5074] lstat("./103/binderfs", [pid 5077] lstat("./105/cgroup.cpu", [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5079] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] unlink("./102/binderfs" [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] unlink("./105/cgroup.cpu" [pid 5076] <... unlink resumed>) = 0 [pid 5074] unlink("./103/binderfs" [pid 5079] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] <... unlink resumed>) = 0 [pid 5076] umount2("./102/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... unlink resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5078] <... openat resumed>) = 3 [pid 5077] getdents64(3, [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./103/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] fstat(3, [pid 5078] fstat(3, [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] lstat("./102/cgroup", [pid 5075] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] close(3 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] <... openat resumed>) = 3 [pid 5074] lstat("./103/cgroup", [pid 5079] getdents64(3, [pid 5078] getdents64(3, [pid 5077] <... close resumed>) = 0 [pid 5076] unlink("./102/cgroup" [pid 5075] fstat(3, [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5077] rmdir("./105" [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] unlink("./103/cgroup" [pid 5079] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... rmdir resumed>) = 0 [pid 5076] umount2("./102/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] getdents64(3, [pid 5074] <... unlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] mkdir("./106", 0777 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] umount2("./103/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./110/binderfs", [pid 5078] lstat("./108/binderfs", [pid 5075] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] <... mkdir resumed>) = 0 [pid 5076] lstat("./102/cgroup.net", [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./103/cgroup.net", [pid 5079] unlink("./110/binderfs" [pid 5078] unlink("./108/binderfs" [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] lstat("./104/binderfs", [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 5076] unlink("./102/cgroup.net" [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./103/cgroup.net" [pid 5079] umount2("./110/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./108/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] <... unlink resumed>) = 0 [pid 5075] unlink("./104/binderfs" [pid 5074] <... unlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... unlink resumed>) = 0 [pid 5074] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./110/cgroup", [pid 5078] lstat("./108/cgroup", [pid 5077] close(3 [pid 5075] umount2("./104/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] <... close resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] unlink("./110/cgroup" [pid 5078] unlink("./108/cgroup" [pid 5075] lstat("./104/cgroup", [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] umount2("./110/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./108/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] unlink("./104/cgroup" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... unlink resumed>) = 0 [pid 5079] lstat("./110/cgroup.net", [pid 5078] lstat("./108/cgroup.net", [pid 5075] umount2("./104/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = 0 [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 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] unlink("./110/cgroup.net" [pid 5078] unlink("./108/cgroup.net" [pid 5075] lstat("./104/cgroup.net", [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] unlink("./104/cgroup.net" [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... unlink resumed>) = 0 [pid 5075] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./103/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./103/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6422 attached [pid 6422] set_robust_list(0x5555562845e0, 24) = 0 [pid 6422] chdir("./106") = 0 [pid 6422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6422] setpgid(0, 0) = 0 [pid 6422] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 6422] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 6422] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 6422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6422] write(3, "1000", 4) = 4 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 214 [pid 6422] close(3) = 0 [pid 6422] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6422] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6422] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5074] <... openat resumed>) = 4 [pid 6422] <... mprotect resumed>) = 0 [pid 5074] fstat(4, [pid 6422] 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] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6423 attached [pid 5074] getdents64(4, [pid 6423] set_robust_list(0x7f7a5a0f99e0, 24) = 0 [pid 6423] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6422] <... clone resumed>, parent_tid=[215], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 215 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6422] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] getdents64(4, [pid 6423] <... futex resumed>) = 0 [pid 6422] <... futex resumed>) = 1 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6423] memfd_create("syzkaller", 0 [pid 6422] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5074] close(4) = 0 [pid 6423] <... memfd_create resumed>) = 3 [pid 5074] rmdir("./103/file0") = 0 [pid 5074] umount2("./103/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./103/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] unlink("./103/cgroup.cpu") = 0 [pid 6423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] close(3) = 0 [pid 5074] rmdir("./103" [pid 6423] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5074] <... rmdir resumed>) = 0 [pid 5074] mkdir("./104", 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) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555562845d0) = 210 ./strace-static-x86_64: Process 6424 attached [pid 5079] <... umount2 resumed>) = 0 [pid 5075] <... umount2 resumed>) = 0 [pid 6424] set_robust_list(0x5555562845e0, 24 [pid 5079] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6424] <... set_robust_list resumed>) = 0 [pid 6424] chdir("./104" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6424] <... chdir resumed>) = 0 [pid 6424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] lstat("./110/file0", [pid 6424] <... prctl resumed>) = 0 [pid 6424] setpgid(0, 0 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6424] <... setpgid resumed>) = 0 [pid 5079] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6424] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./110/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6424] <... symlink resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 6424] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5079] fstat(4, [pid 6424] <... symlink resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6424] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5079] getdents64(4, [pid 6424] <... symlink resumed>) = 0 [pid 6424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5079] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6424] <... openat resumed>) = 3 [pid 5079] close(4) = 0 [pid 5079] rmdir("./110/file0") = 0 [pid 6424] write(3, "1000", 4 [pid 5079] umount2("./110/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./110/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./110/cgroup.cpu" [pid 6424] <... write resumed>) = 4 [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = 0 [pid 5076] <... umount2 resumed>) = 0 [pid 6424] close(3 [pid 5079] getdents64(3, [pid 5078] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6424] <... close resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6424] symlink("/dev/binderfs", "./binderfs" [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5078] lstat("./108/file0", [pid 6424] <... symlink resumed>) = 0 [pid 5079] close(3 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6424] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... close resumed>) = 0 [pid 5078] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] lstat("./102/file0", [pid 5075] lstat("./104/file0", [pid 6424] <... futex resumed>) = 0 [pid 5079] rmdir("./110" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./108/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6424] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5079] mkdir("./111", 0777 [pid 5078] <... openat resumed>) = 4 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6424] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] <... mkdir resumed>) = 0 [pid 5078] fstat(4, [pid 5076] openat(AT_FDCWD, "./102/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6424] <... mprotect resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6424] 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 6423] 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] <... openat resumed>) = 3 [pid 5078] getdents64(4, [pid 5076] <... openat resumed>) = 4 [pid 5075] openat(AT_FDCWD, "./104/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6425 attached [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] fstat(4, [pid 6425] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6424] <... clone resumed>, parent_tid=[211], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 211 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] getdents64(4, [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... openat resumed>) = 4 [pid 6425] <... set_robust_list resumed>) = 0 [pid 6424] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] close(3 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] getdents64(4, [pid 5075] fstat(4, [pid 6424] <... futex resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5078] close(4 [pid 6424] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... close resumed>) = 0 ./strace-static-x86_64: Process 6426 attached [pid 6425] memfd_create("syzkaller", 0 [pid 5078] rmdir("./108/file0" [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6426] set_robust_list(0x5555562845e0, 24 [pid 6425] <... memfd_create resumed>) = 3 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 224 [pid 5078] <... rmdir resumed>) = 0 [pid 5076] getdents64(4, [pid 5075] getdents64(4, [pid 6426] <... set_robust_list resumed>) = 0 [pid 5078] umount2("./108/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6426] chdir("./111" [pid 6425] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] close(4 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6426] <... chdir resumed>) = 0 [pid 6425] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5078] lstat("./108/cgroup.cpu", [pid 5076] <... close resumed>) = 0 [pid 5075] getdents64(4, [pid 6426] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] rmdir("./102/file0" [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] unlink("./108/cgroup.cpu" [pid 6426] <... prctl resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] close(4 [pid 6426] setpgid(0, 0 [pid 5078] getdents64(3, [pid 5076] umount2("./102/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... close resumed>) = 0 [pid 6426] <... setpgid resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] rmdir("./104/file0" [pid 6426] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5078] close(3) = 0 [pid 5078] rmdir("./108" [pid 6426] <... symlink resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5076] lstat("./102/cgroup.cpu", [pid 5075] <... rmdir resumed>) = 0 [pid 6426] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5078] mkdir("./109", 0777 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] umount2("./104/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6426] <... symlink resumed>) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 5076] unlink("./102/cgroup.cpu" [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6426] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5076] <... unlink resumed>) = 0 [pid 6426] <... symlink resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5076] getdents64(3, [pid 5075] lstat("./104/cgroup.cpu", [pid 6426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6426] <... openat resumed>) = 3 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] close(3 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6426] write(3, "1000", 4 [pid 5078] close(3 [pid 5076] <... close resumed>) = 0 [pid 5075] unlink("./104/cgroup.cpu" [pid 5078] <... close resumed>) = 0 [pid 6426] <... write resumed>) = 4 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] rmdir("./102"./strace-static-x86_64: Process 6427 attached [pid 6426] close(3 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6427] set_robust_list(0x5555562845e0, 24 [pid 6426] <... close resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 220 [pid 5076] mkdir("./103", 0777 [pid 5075] getdents64(3, [pid 6427] <... set_robust_list resumed>) = 0 [pid 6426] symlink("/dev/binderfs", "./binderfs" [pid 6425] 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 5076] <... mkdir resumed>) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6427] chdir("./109" [pid 6426] <... symlink resumed>) = 0 [pid 5075] close(3 [pid 6427] <... chdir resumed>) = 0 [pid 6426] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6427] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6426] <... futex resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 6427] <... prctl resumed>) = 0 [pid 6426] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5076] <... openat resumed>) = 3 [pid 6427] setpgid(0, 0 [pid 6426] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5075] rmdir("./104" [pid 6427] <... setpgid resumed>) = 0 [pid 6426] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5075] <... rmdir resumed>) = 0 [pid 6427] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6426] <... mprotect resumed>) = 0 [pid 5076] close(3 [pid 5075] mkdir("./105", 0777 [pid 6427] <... symlink resumed>) = 0 [pid 5075] <... mkdir resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 6427] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6426] 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 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6427] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6428 attached ./strace-static-x86_64: Process 6429 attached [pid 6428] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6427] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6426] <... clone resumed>, parent_tid=[225], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 225 [pid 5075] <... openat resumed>) = 3 [pid 6428] <... set_robust_list resumed>) = 0 [pid 6427] <... symlink resumed>) = 0 [pid 6429] set_robust_list(0x5555562845e0, 24 [pid 6428] memfd_create("syzkaller", 0 [pid 6426] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] <... write resumed>) = 2097152 [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 208 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6429] <... set_robust_list resumed>) = 0 [pid 6428] <... memfd_create resumed>) = 3 [pid 6427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6426] <... futex resumed>) = 0 [pid 6429] chdir("./103" [pid 6428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6423] munmap(0x7f7a51cd9000, 2097152 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6429] <... chdir resumed>) = 0 [pid 6428] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6427] <... openat resumed>) = 3 [pid 6426] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6425] <... write resumed>) = 2097152 [pid 6429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6427] write(3, "1000", 4 [pid 6425] munmap(0x7f7a51cd9000, 2097152 [pid 6423] <... munmap resumed>) = 0 [pid 5075] close(3 [pid 6429] <... prctl resumed>) = 0 [pid 6427] <... write resumed>) = 4 [pid 6425] <... munmap resumed>) = 0 [pid 6423] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5075] <... close resumed>) = 0 [pid 6429] setpgid(0, 0 [pid 6427] close(3 [pid 6425] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6423] <... openat resumed>) = 4 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6430 attached [pid 6429] <... setpgid resumed>) = 0 [pid 6427] <... close resumed>) = 0 [pid 6425] <... openat resumed>) = 4 [pid 6423] ioctl(4, LOOP_SET_FD, 3 [pid 6429] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6427] symlink("/dev/binderfs", "./binderfs" [pid 6425] ioctl(4, LOOP_SET_FD, 3 [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 212 [pid 6430] set_robust_list(0x5555562845e0, 24 [pid 6429] <... symlink resumed>) = 0 [pid 6427] <... symlink resumed>) = 0 [pid 6430] <... set_robust_list resumed>) = 0 [pid 6429] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6427] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] chdir("./105" [pid 6429] <... symlink resumed>) = 0 [pid 6427] <... futex resumed>) = 0 [pid 6423] <... ioctl resumed>) = 0 [pid 6430] <... chdir resumed>) = 0 [pid 6429] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6423] close(3 [pid 6430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6429] <... symlink resumed>) = 0 [pid 6427] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6423] <... close resumed>) = 0 [pid 6430] <... prctl resumed>) = 0 [pid 6429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6427] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6425] <... ioctl resumed>) = 0 [pid 6423] mkdir("./file0", 0777 [pid 6430] setpgid(0, 0 [pid 6429] <... openat resumed>) = 3 [pid 6427] <... mprotect resumed>) = 0 [pid 6425] close(3 [pid 6423] <... mkdir resumed>) = 0 [pid 6430] <... setpgid resumed>) = 0 [pid 6429] write(3, "1000", 4 [pid 6427] 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 6425] <... close resumed>) = 0 [pid 6423] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules,"./strace-static-x86_64: Process 6431 attached [pid 6430] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6429] <... write resumed>) = 4 [pid 6425] mkdir("./file0", 0777 [pid 6431] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6430] <... symlink resumed>) = 0 [pid 6429] close(3 [pid 6427] <... clone resumed>, parent_tid=[221], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 221 [pid 6425] <... mkdir resumed>) = 0 [pid 6431] <... set_robust_list resumed>) = 0 [pid 6429] <... close resumed>) = 0 [pid 6427] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6431] memfd_create("syzkaller", 0 [pid 6430] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6429] symlink("/dev/binderfs", "./binderfs" [pid 6427] <... futex resumed>) = 0 [pid 6431] <... memfd_create resumed>) = 3 [pid 6429] <... symlink resumed>) = 0 [pid 6428] 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 6427] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6431] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6430] <... symlink resumed>) = 0 [pid 6429] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6430] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6429] <... futex resumed>) = 0 [ 180.747598][ T6423] loop5: detected capacity change from 0 to 4096 [ 180.756775][ T6425] loop0: detected capacity change from 0 to 4096 [pid 6430] <... symlink resumed>) = 0 [pid 6429] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6429] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6430] <... openat resumed>) = 3 [pid 6429] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6430] write(3, "1000", 4 [pid 6429] <... mprotect resumed>) = 0 [pid 6430] <... write resumed>) = 4 [pid 6429] 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 6432 attached [pid 6430] close(3 [pid 6432] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6430] <... close resumed>) = 0 [pid 6429] <... clone resumed>, parent_tid=[209], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 209 [pid 6432] <... set_robust_list resumed>) = 0 [pid 6430] symlink("/dev/binderfs", "./binderfs" [pid 6429] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6432] memfd_create("syzkaller", 0 [pid 6430] <... symlink resumed>) = 0 [pid 6429] <... futex resumed>) = 0 [pid 6432] <... memfd_create resumed>) = 3 [pid 6430] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6430] <... futex resumed>) = 0 [pid 6428] <... write resumed>) = 2097152 [pid 6432] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6428] munmap(0x7f7a51cd9000, 2097152 [pid 6430] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6430] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6430] 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 6433 attached [pid 6433] set_robust_list(0x7f7a5a0f99e0, 24) = 0 [pid 6433] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] <... clone resumed>, parent_tid=[213], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 213 [pid 6430] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] <... futex resumed>) = 0 [pid 6430] <... futex resumed>) = 1 [pid 6433] memfd_create("syzkaller", 0 [pid 6430] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6433] <... memfd_create resumed>) = 3 [pid 6433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 6428] <... munmap resumed>) = 0 [pid 6423] <... mount resumed>) = 0 [pid 6428] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6423] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6423] chdir("./file0") = 0 [pid 6423] ioctl(4, LOOP_CLR_FD) = 0 [pid 6423] close(4) = 0 [pid 6423] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6423] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6431] 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 6428] <... openat resumed>) = 4 [pid 6428] ioctl(4, LOOP_SET_FD, 3 [pid 6425] <... mount resumed>) = 0 [pid 6422] <... futex resumed>) = 0 [pid 6425] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6422] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] <... openat resumed>) = 3 [pid 6423] <... futex resumed>) = 0 [pid 6422] <... futex resumed>) = 1 [pid 6425] chdir("./file0" [pid 6423] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6422] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6425] <... chdir resumed>) = 0 [pid 6423] <... mkdirat resumed>) = 0 [pid 6425] ioctl(4, LOOP_CLR_FD [pid 6423] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] <... ioctl resumed>) = 0 [pid 6423] <... futex resumed>) = 1 [pid 6432] 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 6428] <... ioctl resumed>) = 0 [pid 6425] close(4 [pid 6423] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6422] <... futex resumed>) = 0 [pid 6428] close(3 [pid 6425] <... close resumed>) = 0 [pid 6422] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6428] <... close resumed>) = 0 [pid 6425] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] <... futex resumed>) = 0 [pid 6422] <... futex resumed>) = 1 [pid 6428] mkdir("./file0", 0777 [pid 6425] <... futex resumed>) = 1 [pid 6424] <... futex resumed>) = 0 [pid 6423] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6422] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6428] <... mkdir resumed>) = 0 [pid 6425] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] <... symlinkat resumed>) = 0 [pid 6428] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6424] <... futex resumed>) = 0 [pid 6423] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [ 180.896497][ T6428] loop2: detected capacity change from 0 to 4096 [pid 6425] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6424] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] <... futex resumed>) = 1 [pid 6422] <... futex resumed>) = 0 [pid 6425] <... mkdirat resumed>) = 0 [pid 6423] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6422] close(3 [pid 6425] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... close resumed>) = 0 [pid 6425] <... futex resumed>) = 1 [pid 6424] <... futex resumed>) = 0 [pid 6433] 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 6425] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] close(4 [pid 6425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6424] <... futex resumed>) = 0 [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6425] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6424] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6422] close(5 [pid 6425] <... symlinkat resumed>) = 0 [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6425] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] close(6 [pid 6425] <... futex resumed>) = 1 [pid 6424] <... futex resumed>) = 0 [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6425] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] close(3 [pid 6422] close(7 [pid 6424] <... close resumed>) = 0 [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] close(4 [pid 6422] close(8 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] close(5) = -1 EBADF (Bad file descriptor) [pid 6424] close(6) = -1 EBADF (Bad file descriptor) [pid 6424] close(7 [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] close(9 [pid 6432] <... write resumed>) = 2097152 [pid 6428] <... mount resumed>) = 0 [pid 6424] close(8 [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6432] munmap(0x7f7a51cd9000, 2097152 [pid 6428] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] close(10 [pid 6424] close(9 [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6428] <... openat resumed>) = 3 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6428] chdir("./file0" [pid 6424] close(10 [pid 6422] close(11 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6428] <... chdir resumed>) = 0 [pid 6424] close(11 [pid 6422] close(12 [pid 6428] ioctl(4, LOOP_CLR_FD [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6428] <... ioctl resumed>) = 0 [pid 6424] close(12 [pid 6422] close(13 [pid 6428] close(4 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6431] <... write resumed>) = 2097152 [pid 6428] <... close resumed>) = 0 [pid 6424] close(13) = -1 EBADF (Bad file descriptor) [pid 6431] munmap(0x7f7a51cd9000, 2097152 [pid 6428] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] close(14 [pid 6422] close(14 [pid 6431] <... munmap resumed>) = 0 [pid 6428] <... futex resumed>) = 1 [pid 6426] <... futex resumed>) = 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6428] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6426] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] close(15 [pid 6422] close(15 [pid 6432] <... munmap resumed>) = 0 [pid 6428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6426] <... futex resumed>) = 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6432] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6428] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6426] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] close(16 [pid 6422] close(16 [pid 6432] <... openat resumed>) = 4 [pid 6428] <... mkdirat resumed>) = 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6432] ioctl(4, LOOP_SET_FD, 3 [pid 6431] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6428] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] close(17 [pid 6422] close(17 [pid 6431] <... openat resumed>) = 4 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6431] ioctl(4, LOOP_SET_FD, 3 [pid 6424] close(18 [pid 6433] <... write resumed>) = 2097152 [pid 6432] <... ioctl resumed>) = 0 [pid 6428] <... futex resumed>) = 1 [pid 6426] <... futex resumed>) = 0 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] close(19 [pid 6428] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6426] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] close(18 [pid 6428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6426] <... futex resumed>) = 0 [pid 6424] close(20 [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6432] close(3 [pid 6428] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6426] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] close(19 [pid 6424] close(21 [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] close(20 [pid 6433] munmap(0x7f7a51cd9000, 2097152 [pid 6432] <... close resumed>) = 0 [pid 6428] <... symlinkat resumed>) = 0 [pid 6424] close(22 [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6432] mkdir("./file0", 0777 [pid 6428] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] close(21 [pid 6428] <... futex resumed>) = 1 [pid 6426] <... futex resumed>) = 0 [pid 6424] close(23 [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6432] <... mkdir resumed>) = 0 [pid 6428] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6426] close(3 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] close(22 [pid 6432] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6426] <... close resumed>) = 0 [pid 6424] close(24 [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6426] close(4 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] close(23 [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] close(25 [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6426] close(5 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] close(24 [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] close(26 [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6426] close(6 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] close(25 [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] close(27 [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6426] close(7 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] close(26 [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] close(28 [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6426] close(8 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] close(27 [pid 6431] <... ioctl resumed>) = 0 [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] close(29 [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6431] close(3 [pid 6426] close(9 [pid 6424] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] close(28 [pid 6433] <... munmap resumed>) = 0 [pid 6431] <... close resumed>) = 0 [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6424] exit_group(0 [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6431] mkdir("./file0", 0777 [pid 6426] close(10 [pid 6425] <... futex resumed>) = ? [pid 6424] <... exit_group resumed>) = ? [pid 6422] close(29 [pid 6433] <... openat resumed>) = 4 [pid 6431] <... mkdir resumed>) = 0 [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6425] +++ exited with 0 +++ [pid 6424] +++ exited with 0 +++ [pid 6422] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] ioctl(4, LOOP_SET_FD, 3 [ 181.059859][ T6432] loop4: detected capacity change from 0 to 4096 [ 181.062131][ T6431] loop1: detected capacity change from 0 to 4096 [pid 6431] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6426] close(11 [pid 6422] exit_group(0 [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6423] <... futex resumed>) = ? [pid 6422] <... exit_group resumed>) = ? [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6426] close(12 [pid 6423] +++ exited with 0 +++ [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6422] +++ exited with 0 +++ [pid 5074] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6426] close(13 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6426] close(14 [pid 5077] restart_syscall(<... resuming interrupted clone ...> [pid 5074] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6433] <... ioctl resumed>) = 0 [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... restart_syscall resumed>) = 0 [pid 6433] close(3 [pid 6426] close(15 [pid 5074] <... openat resumed>) = 3 [pid 6433] <... close resumed>) = 0 [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] fstat(3, [pid 6433] mkdir("./file0", 0777 [pid 6432] <... mount resumed>) = 0 [pid 6426] close(16 [pid 5077] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6433] <... mkdir resumed>) = 0 [pid 6432] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, [pid 6433] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6432] <... openat resumed>) = 3 [pid 6426] close(17 [pid 5077] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6432] chdir("./file0" [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... openat resumed>) = 3 [pid 5074] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6432] <... chdir resumed>) = 0 [pid 6426] close(18 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6432] ioctl(4, LOOP_CLR_FD [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./104/binderfs", [pid 6432] <... ioctl resumed>) = 0 [pid 6426] close(19 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6432] close(4 [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] unlink("./104/binderfs" [pid 6432] <... close resumed>) = 0 [pid 6426] close(20 [pid 5077] fstat(3, [pid 5074] <... unlink resumed>) = 0 [pid 6432] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./104/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6432] <... futex resumed>) = 1 [pid 6431] <... mount resumed>) = 0 [pid 6429] <... futex resumed>) = 0 [pid 6426] close(21 [pid 5077] getdents64(3, [pid 6432] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6431] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6429] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6431] <... openat resumed>) = 3 [pid 6429] <... futex resumed>) = 0 [pid 6426] close(22 [pid 5077] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./104/cgroup", [pid 6431] chdir("./file0" [pid 6429] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 181.114916][ T6433] loop3: detected capacity change from 0 to 4096 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6432] <... mkdirat resumed>) = 0 [pid 6431] <... chdir resumed>) = 0 [pid 6426] close(23 [pid 5077] lstat("./106/binderfs", [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6432] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] ioctl(4, LOOP_CLR_FD [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./104/cgroup" [pid 6432] <... futex resumed>) = 1 [pid 6431] <... ioctl resumed>) = 0 [pid 6429] <... futex resumed>) = 0 [pid 6426] close(24 [pid 5077] unlink("./106/binderfs" [pid 6432] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6431] close(4 [pid 6429] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 6432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6431] <... close resumed>) = 0 [pid 6429] <... futex resumed>) = 0 [pid 6426] close(25 [pid 5077] umount2("./106/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./104/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6432] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6431] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6431] <... futex resumed>) = 1 [pid 6427] <... futex resumed>) = 0 [pid 6426] close(26 [pid 5077] lstat("./106/cgroup", [pid 6432] <... symlinkat resumed>) = 0 [pid 5074] lstat("./104/cgroup.net", [pid 6432] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6427] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6432] <... futex resumed>) = 1 [pid 6431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6429] <... futex resumed>) = 0 [pid 6427] <... futex resumed>) = 0 [pid 6426] close(27 [pid 5077] unlink("./106/cgroup" [pid 5074] unlink("./104/cgroup.net" [pid 6432] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6431] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6429] close(3 [pid 6427] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 6433] <... mount resumed>) = 0 [pid 6429] <... close resumed>) = 0 [pid 6426] close(28 [pid 5077] umount2("./106/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... unlink resumed>) = 0 [pid 6433] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6429] close(4 [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6431] <... mkdirat resumed>) = 0 [pid 6433] <... openat resumed>) = 3 [pid 6431] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./106/cgroup.net", [pid 6431] <... futex resumed>) = 1 [pid 6429] close(5 [pid 6427] <... futex resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6431] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] close(29 [pid 5077] unlink("./106/cgroup.net" [pid 6433] chdir("./file0" [pid 6431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6429] close(6 [pid 6427] <... futex resumed>) = 0 [pid 6426] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 6433] <... chdir resumed>) = 0 [pid 6431] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] exit_group(0 [pid 5077] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6433] ioctl(4, LOOP_CLR_FD [pid 6429] close(7 [pid 6428] <... futex resumed>) = ? [pid 6426] <... exit_group resumed>) = ? [pid 6433] <... ioctl resumed>) = 0 [pid 6431] <... symlinkat resumed>) = 0 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6428] +++ exited with 0 +++ [pid 6426] +++ exited with 0 +++ [pid 6433] close(4 [pid 6429] close(8 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 6433] <... close resumed>) = 0 [pid 6431] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... futex resumed>) = 1 [pid 6429] close(9 [pid 6427] <... futex resumed>) = 0 [pid 6433] <... futex resumed>) = 1 [pid 6431] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] <... futex resumed>) = 0 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(3 [pid 6433] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] close(10 [pid 6427] <... close resumed>) = 0 [pid 6433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6430] <... futex resumed>) = 0 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(4 [pid 6433] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6430] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6429] close(11 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6433] <... mkdirat resumed>) = 0 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(5 [pid 6433] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] close(12 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6433] <... futex resumed>) = 1 [pid 6430] <... futex resumed>) = 0 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(6 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6433] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] close(13 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6430] <... futex resumed>) = 0 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(7 [pid 6433] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6430] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6429] close(14 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 6433] <... symlinkat resumed>) = 0 [pid 6427] close(8 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = 0 [pid 6433] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] close(15 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] fstat(3, [pid 6433] <... futex resumed>) = 1 [pid 6430] <... futex resumed>) = 0 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(9 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... umount2 resumed>) = 0 [pid 5074] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6433] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] close(3 [pid 6429] close(16 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(3, [pid 5077] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6430] <... close resumed>) = 0 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(10 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./104/file0", [pid 6429] close(17 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] lstat("./106/file0", [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(11 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6429] close(18 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./111/binderfs", [pid 5077] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6430] close(4 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(12 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./104/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6429] close(19 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./111/binderfs" [pid 5077] openat(AT_FDCWD, "./106/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... openat resumed>) = 4 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(13 [pid 5079] <... unlink resumed>) = 0 [pid 5077] <... openat resumed>) = 4 [pid 5074] fstat(4, [pid 6430] close(5 [pid 6429] close(20 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./111/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] fstat(4, [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(14 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] getdents64(4, [pid 6430] close(6 [pid 6429] close(21 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./111/cgroup", [pid 5077] getdents64(4, [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(15 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(4, [pid 6429] close(22 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./111/cgroup" [pid 5077] getdents64(4, [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(16 [pid 5079] <... unlink resumed>) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] close(4 [pid 6430] close(7 [pid 6429] close(23 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./111/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] close(4 [pid 5074] <... close resumed>) = 0 [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(17 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... close resumed>) = 0 [pid 5074] rmdir("./104/file0" [pid 6430] close(8 [pid 6429] close(24 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./111/cgroup.net", [pid 5077] rmdir("./106/file0" [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(18 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 6430] close(9 [pid 6429] close(25 [pid 5077] <... rmdir resumed>) = 0 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(19 [pid 5079] unlink("./111/cgroup.net" [pid 5077] umount2("./106/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./104/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6430] close(10 [pid 6429] close(26 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(20 [pid 5079] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] lstat("./106/cgroup.cpu", [pid 5074] lstat("./104/cgroup.cpu", [pid 6430] close(11 [pid 6429] close(27 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6430] close(12 [pid 6427] close(21 [pid 5077] unlink("./106/cgroup.cpu" [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6430] close(13 [pid 6429] close(28 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] unlink("./104/cgroup.cpu" [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(22 [pid 5077] <... unlink resumed>) = 0 [pid 6430] close(14 [pid 6429] close(29 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] getdents64(3, [pid 5074] <... unlink resumed>) = 0 [pid 6430] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6429] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6427] close(23 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] getdents64(3, [pid 6430] close(15) = -1 EBADF (Bad file descriptor) [pid 6430] close(16) = -1 EBADF (Bad file descriptor) [pid 6430] close(17) = -1 EBADF (Bad file descriptor) [pid 6430] close(18) = -1 EBADF (Bad file descriptor) [pid 6430] close(19) = -1 EBADF (Bad file descriptor) [pid 6430] close(20) = -1 EBADF (Bad file descriptor) [pid 6430] close(21) = -1 EBADF (Bad file descriptor) [pid 6430] close(22) = -1 EBADF (Bad file descriptor) [pid 6430] close(23) = -1 EBADF (Bad file descriptor) [pid 6430] close(24) = -1 EBADF (Bad file descriptor) [pid 6430] close(25) = -1 EBADF (Bad file descriptor) [pid 6430] close(26) = -1 EBADF (Bad file descriptor) [pid 6430] close(27) = -1 EBADF (Bad file descriptor) [pid 6430] close(28) = -1 EBADF (Bad file descriptor) [pid 6430] close(29) = -1 EBADF (Bad file descriptor) [pid 6430] exit_group(0 [pid 6433] <... futex resumed>) = ? [pid 6430] <... exit_group resumed>) = ? [pid 6433] +++ exited with 0 +++ [pid 6430] +++ exited with 0 +++ [pid 6429] exit_group(0 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(3 [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6432] <... futex resumed>) = ? [pid 6429] <... exit_group resumed>) = ? [pid 6427] close(24 [pid 5077] <... close resumed>) = 0 [pid 5074] close(3 [pid 6432] +++ exited with 0 +++ [pid 6429] +++ exited with 0 +++ [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] rmdir("./106" [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 5074] <... close resumed>) = 0 [pid 6427] close(25 [pid 5077] <... rmdir resumed>) = 0 [pid 5074] rmdir("./104" [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] mkdir("./107", 0777 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=208, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5074] <... rmdir resumed>) = 0 [pid 6427] close(26 [pid 5077] <... mkdir resumed>) = 0 [pid 5076] umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] mkdir("./105", 0777 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... mkdir resumed>) = 0 [pid 6427] close(27 [pid 5077] <... openat resumed>) = 3 [pid 5076] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] <... openat resumed>) = 3 [pid 5075] <... openat resumed>) = 3 [pid 5074] <... openat resumed>) = 3 [pid 6427] close(28 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] fstat(3, [pid 5075] fstat(3, [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = 0 [pid 5077] close(3 [pid 5076] <... 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] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6427] close(29 [pid 5077] <... close resumed>) = 0 [pid 5076] getdents64(3, [pid 5075] getdents64(3, [pid 5074] close(3 [pid 6427] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... close resumed>) = 0 ./strace-static-x86_64: Process 6434 attached [pid 6427] exit_group(0 [pid 5076] umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6435 attached [pid 6434] set_robust_list(0x5555562845e0, 24 [pid 6431] <... futex resumed>) = ? [pid 6427] <... exit_group resumed>) = ? [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 216 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6434] <... set_robust_list resumed>) = 0 [pid 6431] +++ exited with 0 +++ [pid 6427] +++ exited with 0 +++ [pid 5076] lstat("./103/binderfs", [pid 5075] lstat("./105/binderfs", [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 212 [pid 6435] set_robust_list(0x5555562845e0, 24 [pid 6434] chdir("./107" [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6435] <... set_robust_list resumed>) = 0 [pid 6434] <... chdir resumed>) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5076] unlink("./103/binderfs" [pid 5075] unlink("./105/binderfs" [pid 6435] chdir("./105" [pid 6434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6435] <... chdir resumed>) = 0 [pid 6434] <... prctl resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./103/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./105/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6434] setpgid(0, 0 [pid 5078] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6435] <... prctl resumed>) = 0 [pid 6434] <... setpgid resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5076] lstat("./103/cgroup", [pid 5075] lstat("./105/cgroup", [pid 6435] setpgid(0, 0 [pid 6434] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5078] fstat(3, [pid 5076] <... 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 6435] <... setpgid resumed>) = 0 [pid 6434] <... symlink resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] unlink("./103/cgroup" [pid 5075] unlink("./105/cgroup" [pid 6435] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6434] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5078] getdents64(3, [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6435] <... symlink resumed>) = 0 [pid 6434] <... symlink resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] umount2("./103/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./105/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6435] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6434] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5079] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6435] <... symlink resumed>) = 0 [pid 6434] <... symlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./103/cgroup.net", [pid 5075] lstat("./105/cgroup.net", [pid 6435] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./109/binderfs", [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6435] <... symlink resumed>) = 0 [pid 6434] <... openat resumed>) = 3 [pid 5079] lstat("./111/file0", [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] unlink("./103/cgroup.net" [pid 5075] unlink("./105/cgroup.net" [pid 6435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6434] write(3, "1000", 4 [pid 5078] unlink("./109/binderfs" [pid 5076] <... unlink resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6435] <... openat resumed>) = 3 [pid 6434] <... write resumed>) = 4 [pid 5079] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... unlink resumed>) = 0 [pid 5076] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6435] write(3, "1000", 4 [pid 6434] close(3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./109/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6435] <... write resumed>) = 4 [pid 6434] <... close resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./111/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6435] close(3 [pid 6434] symlink("/dev/binderfs", "./binderfs" [pid 5079] <... openat resumed>) = 4 [pid 5078] lstat("./109/cgroup", [pid 6435] <... close resumed>) = 0 [pid 6434] <... symlink resumed>) = 0 [pid 5079] fstat(4, [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6435] symlink("/dev/binderfs", "./binderfs" [pid 6434] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] unlink("./109/cgroup" [pid 6434] <... futex resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] umount2("./109/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6434] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6434] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5078] lstat("./109/cgroup.net", [pid 6434] <... mprotect resumed>) = 0 [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 6435] <... symlink resumed>) = 0 [pid 6434] 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(4, [pid 5078] unlink("./109/cgroup.net"./strace-static-x86_64: Process 6436 attached [pid 6435] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] <... unlink resumed>) = 0 [pid 6436] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6435] <... futex resumed>) = 0 [pid 6434] <... clone resumed>, parent_tid=[217], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 217 [pid 5079] getdents64(4, [pid 5078] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6436] <... set_robust_list resumed>) = 0 [pid 6435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6434] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6435] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6434] <... futex resumed>) = 0 [pid 5079] close(4 [pid 6436] memfd_create("syzkaller", 0 [pid 6435] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] <... close resumed>) = 0 [pid 6435] <... mprotect resumed>) = 0 [pid 6434] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] rmdir("./111/file0" [pid 6436] <... memfd_create resumed>) = 3 [pid 6435] 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 resumed>) = 0 ./strace-static-x86_64: Process 6437 attached [pid 5079] umount2("./111/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6437] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6435] <... clone resumed>, parent_tid=[213], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 213 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6437] <... set_robust_list resumed>) = 0 [pid 6435] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] lstat("./111/cgroup.cpu", [pid 6437] memfd_create("syzkaller", 0 [pid 6435] <... futex resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6437] <... memfd_create resumed>) = 3 [pid 6435] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] unlink("./111/cgroup.cpu" [pid 6437] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5079] <... unlink resumed>) = 0 [pid 6437] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5079] getdents64(3, [pid 6436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5079] close(3) = 0 [pid 5079] rmdir("./111" [pid 6436] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5079] <... rmdir resumed>) = 0 [pid 5079] mkdir("./112", 0777) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5079] close(3) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6438 attached [pid 5076] <... umount2 resumed>) = 0 [pid 5075] <... umount2 resumed>) = 0 [pid 6438] set_robust_list(0x5555562845e0, 24 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 226 [pid 6438] <... set_robust_list resumed>) = 0 [pid 5076] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6438] chdir("./112") = 0 [pid 6438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6438] setpgid(0, 0) = 0 [pid 6438] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6438] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6438] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6438] write(3, "1000", 4) = 4 [pid 6438] close(3 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./105/file0", [pid 6438] <... close resumed>) = 0 [pid 6438] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5076] lstat("./103/file0", [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6438] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5075] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6438] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6438] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6438] 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 5076] umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6439 attached [pid 6439] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6438] <... clone resumed>, parent_tid=[227], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 227 [pid 6439] <... set_robust_list resumed>) = 0 [pid 6438] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] memfd_create("syzkaller", 0 [pid 6438] <... futex resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] openat(AT_FDCWD, "./105/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6439] <... memfd_create resumed>) = 3 [pid 6438] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5076] openat(AT_FDCWD, "./103/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... openat resumed>) = 4 [pid 6439] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5076] <... openat resumed>) = 4 [pid 5075] fstat(4, [pid 5076] fstat(4, [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] getdents64(4, [pid 5076] getdents64(4, [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] getdents64(4, [pid 6437] 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 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] getdents64(4, [pid 5075] close(4 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] <... close resumed>) = 0 [pid 5076] close(4 [pid 5075] rmdir("./105/file0" [pid 5076] <... close resumed>) = 0 [pid 5076] rmdir("./103/file0" [pid 5075] <... rmdir resumed>) = 0 [pid 5075] umount2("./105/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./103/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] lstat("./105/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] unlink("./105/cgroup.cpu") = 0 [pid 5076] lstat("./103/cgroup.cpu", [pid 5075] getdents64(3, [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] close(3 [pid 5076] unlink("./103/cgroup.cpu" [pid 5075] <... close resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5075] rmdir("./105") = 0 [pid 5076] getdents64(3, [pid 5075] mkdir("./106", 0777 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] <... mkdir resumed>) = 0 [pid 5078] <... umount2 resumed>) = 0 [pid 5076] close(3 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5076] <... close resumed>) = 0 [pid 6436] 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("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] rmdir("./103" [pid 5075] <... openat resumed>) = 3 [pid 6439] 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 5076] <... rmdir resumed>) = 0 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 5076] mkdir("./104", 0777 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... mkdir resumed>) = 0 [pid 5075] close(3 [pid 5078] lstat("./109/file0", [pid 6436] <... write resumed>) = 2097152 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5075] <... close resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6436] munmap(0x7f7a51cd9000, 2097152) = 0 [pid 5078] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... openat resumed>) = 3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6440 attached ) = -1 ENXIO (No such device or address) [pid 6436] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5078] openat(AT_FDCWD, "./109/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] close(3) = 0 [pid 6440] set_robust_list(0x5555562845e0, 24 [pid 6439] <... write resumed>) = 2097152 [pid 6436] <... openat resumed>) = 4 [pid 5078] <... openat resumed>) = 4 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 214 [pid 6440] <... set_robust_list resumed>) = 0 [pid 6436] ioctl(4, LOOP_SET_FD, 3 [pid 5078] fstat(4, ./strace-static-x86_64: Process 6441 attached [pid 6440] chdir("./106" [pid 6436] <... ioctl resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6441] set_robust_list(0x5555562845e0, 24 [pid 6440] <... chdir resumed>) = 0 [pid 5078] getdents64(4, [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 210 [pid 6440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6441] <... set_robust_list resumed>) = 0 [pid 6440] setpgid(0, 0 [pid 5078] getdents64(4, [pid 6441] chdir("./104" [pid 6440] <... setpgid resumed>) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] close(4 [pid 6440] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5078] <... close resumed>) = 0 [pid 6441] <... chdir resumed>) = 0 [pid 6441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6440] <... symlink resumed>) = 0 [pid 5078] rmdir("./109/file0" [pid 6441] <... prctl resumed>) = 0 [pid 6440] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 6441] setpgid(0, 0 [pid 5078] umount2("./109/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6440] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6441] <... setpgid resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./109/cgroup.cpu", [pid 6441] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6440] <... symlink resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./109/cgroup.cpu" [pid 6440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6441] <... symlink resumed>) = 0 [pid 6441] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6440] <... openat resumed>) = 3 [pid 5078] <... unlink resumed>) = 0 [pid 6440] write(3, "1000", 4 [pid 5078] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 [pid 6441] <... symlink resumed>) = 0 [pid 6440] <... write resumed>) = 4 [pid 5078] close(3 [pid 6441] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6440] close(3 [pid 5078] <... close resumed>) = 0 [pid 6440] <... close resumed>) = 0 [pid 5078] rmdir("./109" [pid 6441] <... symlink resumed>) = 0 [pid 6440] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 6441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] mkdir("./110", 0777 [pid 6440] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... mkdir resumed>) = 0 [pid 6440] <... futex resumed>) = 0 [pid 6441] <... openat resumed>) = 3 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6439] munmap(0x7f7a51cd9000, 2097152 [pid 6437] <... write resumed>) = 2097152 [pid 6436] close(3 [pid 5078] <... openat resumed>) = 3 [pid 6440] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6440] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6441] write(3, "1000", 4 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6440] <... mprotect resumed>) = 0 [pid 5078] close(3 [pid 6441] <... write resumed>) = 4 [pid 6441] close(3 [pid 6440] 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 6439] <... munmap resumed>) = 0 [pid 6437] munmap(0x7f7a51cd9000, 2097152 [pid 6436] <... close resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6442 attached [pid 6442] set_robust_list(0x7f7a5a0f99e0, 24) = 0 [pid 6442] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6443 attached [pid 6441] <... close resumed>) = 0 [pid 6440] <... clone resumed>, parent_tid=[215], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 215 [pid 6443] set_robust_list(0x5555562845e0, 24 [pid 6441] symlink("/dev/binderfs", "./binderfs" [pid 6440] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 222 [pid 6436] mkdir("./file0", 0777 [pid 6443] <... set_robust_list resumed>) = 0 [pid 6441] <... symlink resumed>) = 0 [pid 6440] <... futex resumed>) = 1 [pid 6441] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6440] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6443] chdir("./110" [pid 6442] <... futex resumed>) = 0 [pid 6441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6443] <... chdir resumed>) = 0 [pid 6442] memfd_create("syzkaller", 0 [pid 6436] <... mkdir resumed>) = 0 [pid 6443] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6442] <... memfd_create resumed>) = 3 [pid 6441] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6436] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6443] <... prctl resumed>) = 0 [pid 6442] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6441] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6443] setpgid(0, 0 [pid 6442] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6441] <... mprotect resumed>) = 0 [ 181.684291][ T6436] loop5: detected capacity change from 0 to 4096 [pid 6443] <... setpgid resumed>) = 0 [pid 6441] 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 6439] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6437] <... munmap resumed>) = 0 [pid 6443] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6443] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6443] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6444 attached ) = 3 [pid 6437] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6444] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6443] write(3, "1000", 4 [pid 6444] <... set_robust_list resumed>) = 0 [pid 6443] <... write resumed>) = 4 [pid 6444] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6443] close(3) = 0 [pid 6443] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6443] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6441] <... clone resumed>, parent_tid=[211], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 211 [pid 6443] <... futex resumed>) = 0 [pid 6437] <... openat resumed>) = 4 [pid 6441] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] <... futex resumed>) = 0 [pid 6443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6441] <... futex resumed>) = 1 [pid 6439] <... openat resumed>) = 4 [pid 6437] ioctl(4, LOOP_SET_FD, 3 [pid 6444] memfd_create("syzkaller", 0 [pid 6443] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6441] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6444] <... memfd_create resumed>) = 3 [pid 6443] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6444] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6443] <... mprotect resumed>) = 0 [pid 6444] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6443] 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 6445 attached [pid 6439] ioctl(4, LOOP_SET_FD, 3 [pid 6445] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6443] <... clone resumed>, parent_tid=[223], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 223 [pid 6445] <... set_robust_list resumed>) = 0 [pid 6443] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6445] memfd_create("syzkaller", 0 [pid 6443] <... futex resumed>) = 0 [pid 6445] <... memfd_create resumed>) = 3 [pid 6443] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6445] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 6439] <... ioctl resumed>) = 0 [pid 6437] <... ioctl resumed>) = 0 [pid 6437] close(3 [pid 6439] close(3) = 0 [pid 6437] <... close resumed>) = 0 [pid 6437] mkdir("./file0", 0777 [pid 6439] mkdir("./file0", 0777 [pid 6437] <... mkdir resumed>) = 0 [pid 6437] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6439] <... mkdir resumed>) = 0 [ 181.759834][ T6437] loop0: detected capacity change from 0 to 4096 [ 181.775600][ T6439] loop2: detected capacity change from 0 to 4096 [pid 6439] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6442] 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 6436] <... mount resumed>) = 0 [pid 6436] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6436] chdir("./file0") = 0 [pid 6436] ioctl(4, LOOP_CLR_FD [pid 6445] 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 6436] <... ioctl resumed>) = 0 [pid 6436] close(4 [pid 6442] <... write resumed>) = 2097152 [pid 6436] <... close resumed>) = 0 [pid 6436] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... futex resumed>) = 0 [pid 6436] <... futex resumed>) = 1 [pid 6434] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6434] <... futex resumed>) = 0 [pid 6436] <... mkdirat resumed>) = 0 [pid 6434] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6436] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6434] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6434] <... futex resumed>) = 0 [pid 6434] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6442] munmap(0x7f7a51cd9000, 2097152 [pid 6436] <... symlinkat resumed>) = 0 [pid 6445] <... write resumed>) = 2097152 [pid 6442] <... munmap resumed>) = 0 [pid 6445] munmap(0x7f7a51cd9000, 2097152) = 0 [pid 6436] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6434] <... futex resumed>) = 0 [pid 6445] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6436] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6434] close(3) = 0 [pid 6434] close(4) = -1 EBADF (Bad file descriptor) [pid 6434] close(5 [pid 6445] ioctl(4, LOOP_SET_FD, 3 [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6444] 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 6442] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6434] close(6) = -1 EBADF (Bad file descriptor) [pid 6434] close(7 [pid 6445] <... ioctl resumed>) = 0 [pid 6445] close(3) = 0 [pid 6445] mkdir("./file0", 0777 [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6434] close(8) = -1 EBADF (Bad file descriptor) [pid 6434] close(9) = -1 EBADF (Bad file descriptor) [pid 6434] close(10) = -1 EBADF (Bad file descriptor) [pid 6434] close(11) = -1 EBADF (Bad file descriptor) [pid 6434] close(12 [pid 6442] <... openat resumed>) = 4 [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6434] close(13) = -1 EBADF (Bad file descriptor) [pid 6434] close(14) = -1 EBADF (Bad file descriptor) [pid 6434] close(15) = -1 EBADF (Bad file descriptor) [pid 6434] close(16) = -1 EBADF (Bad file descriptor) [pid 6434] close(17) = -1 EBADF (Bad file descriptor) [pid 6434] close(18) = -1 EBADF (Bad file descriptor) [pid 6434] close(19) = -1 EBADF (Bad file descriptor) [pid 6442] ioctl(4, LOOP_SET_FD, 3 [pid 6434] close(20) = -1 EBADF (Bad file descriptor) [pid 6434] close(21 [pid 6445] <... mkdir resumed>) = 0 [pid 6445] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6434] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6434] close(22) = -1 EBADF (Bad file descriptor) [pid 6434] close(23) = -1 EBADF (Bad file descriptor) [pid 6434] close(24) = -1 EBADF (Bad file descriptor) [pid 6434] close(25) = -1 EBADF (Bad file descriptor) [pid 6434] close(26) = -1 EBADF (Bad file descriptor) [pid 6434] close(27) = -1 EBADF (Bad file descriptor) [pid 6434] close(28) = -1 EBADF (Bad file descriptor) [pid 6434] close(29) = -1 EBADF (Bad file descriptor) [pid 6434] exit_group(0 [pid 6436] <... futex resumed>) = ? [pid 6434] <... exit_group resumed>) = ? [pid 6442] <... ioctl resumed>) = 0 [pid 6442] close(3) = 0 [pid 6442] mkdir("./file0", 0777) = 0 [pid 6442] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6436] +++ exited with 0 +++ [pid 6434] +++ exited with 0 +++ [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5077] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] openat(AT_FDCWD, "./107", 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("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./107/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] unlink("./107/binderfs") = 0 [pid 5077] umount2("./107/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./107/cgroup", [pid 6439] <... mount resumed>) = 0 [pid 6437] <... mount resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [ 181.908110][ T6445] loop1: detected capacity change from 0 to 4096 [ 181.926199][ T6442] loop3: detected capacity change from 0 to 4096 [pid 6439] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6437] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5077] unlink("./107/cgroup" [pid 6439] <... openat resumed>) = 3 [pid 6437] <... openat resumed>) = 3 [pid 5077] <... unlink resumed>) = 0 [pid 6444] <... write resumed>) = 2097152 [pid 6439] chdir("./file0" [pid 6437] chdir("./file0" [pid 5077] umount2("./107/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./107/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] unlink("./107/cgroup.net") = 0 [pid 5077] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6445] <... mount resumed>) = 0 [pid 6444] munmap(0x7f7a51cd9000, 2097152 [pid 6439] <... chdir resumed>) = 0 [pid 6437] <... chdir resumed>) = 0 [pid 6445] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6444] <... munmap resumed>) = 0 [pid 6439] ioctl(4, LOOP_CLR_FD [pid 6437] ioctl(4, LOOP_CLR_FD [pid 6445] <... openat resumed>) = 3 [pid 6444] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6439] <... ioctl resumed>) = 0 [pid 6437] <... ioctl resumed>) = 0 [pid 6445] chdir("./file0" [pid 6444] <... openat resumed>) = 4 [pid 6439] close(4 [pid 6437] close(4 [pid 6445] <... chdir resumed>) = 0 [pid 6444] ioctl(4, LOOP_SET_FD, 3 [pid 6439] <... close resumed>) = 0 [pid 6437] <... close resumed>) = 0 [pid 6445] ioctl(4, LOOP_CLR_FD [pid 6439] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... umount2 resumed>) = 0 [pid 6445] <... ioctl resumed>) = 0 [pid 6439] <... futex resumed>) = 1 [pid 6437] <... futex resumed>) = 1 [pid 6445] close(4 [pid 6439] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6437] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6445] <... close resumed>) = 0 [pid 6445] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6443] <... futex resumed>) = 0 [pid 6438] <... futex resumed>) = 0 [pid 6435] <... futex resumed>) = 0 [pid 5077] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6445] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6443] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6435] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6443] <... futex resumed>) = 0 [pid 6439] <... futex resumed>) = 0 [pid 6438] <... futex resumed>) = 1 [pid 6437] <... futex resumed>) = 0 [pid 6435] <... futex resumed>) = 1 [pid 5077] lstat("./107/file0", [pid 6445] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6443] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6439] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6438] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6437] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6435] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6445] <... mkdirat resumed>) = 0 [pid 6442] <... mount resumed>) = 0 [pid 6439] <... mkdirat resumed>) = 0 [pid 6437] <... mkdirat resumed>) = 0 [pid 5077] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6445] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6439] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6445] <... futex resumed>) = 1 [pid 6444] <... ioctl resumed>) = 0 [pid 6443] <... futex resumed>) = 0 [pid 6442] <... openat resumed>) = 3 [pid 6439] <... futex resumed>) = 1 [pid 6438] <... futex resumed>) = 0 [pid 6437] <... futex resumed>) = 1 [pid 6435] <... futex resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./107/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6445] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6444] close(3 [pid 6443] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] chdir("./file0" [ 182.017213][ T6444] loop4: detected capacity change from 0 to 4096 [pid 6439] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6438] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6435] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... openat resumed>) = 4 [pid 6445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6444] <... close resumed>) = 0 [pid 6443] <... futex resumed>) = 0 [pid 6442] <... chdir resumed>) = 0 [pid 6439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6438] <... futex resumed>) = 0 [pid 6437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6435] <... futex resumed>) = 0 [pid 5077] fstat(4, [pid 6445] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6444] mkdir("./file0", 0777 [pid 6443] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6442] ioctl(4, LOOP_CLR_FD [pid 6439] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6438] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6437] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6435] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6445] <... symlinkat resumed>) = 0 [pid 6444] <... mkdir resumed>) = 0 [pid 6442] <... ioctl resumed>) = 0 [pid 6439] <... symlinkat resumed>) = 0 [pid 6437] <... symlinkat resumed>) = 0 [pid 5077] getdents64(4, [pid 6445] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6442] close(4 [pid 6439] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6445] <... futex resumed>) = 1 [pid 6443] <... futex resumed>) = 0 [pid 6442] <... close resumed>) = 0 [pid 6439] <... futex resumed>) = 1 [pid 6438] <... futex resumed>) = 0 [pid 6437] <... futex resumed>) = 1 [pid 6435] <... futex resumed>) = 0 [pid 5077] getdents64(4, [pid 6445] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6443] close(3 [pid 6442] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6438] close(3 [pid 6437] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6435] close(3 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6443] <... close resumed>) = 0 [pid 6442] <... futex resumed>) = 1 [pid 6440] <... futex resumed>) = 0 [pid 6438] <... close resumed>) = 0 [pid 6435] <... close resumed>) = 0 [pid 5077] close(4 [pid 6443] close(4 [pid 6442] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] close(4 [pid 6435] close(4 [pid 5077] <... close resumed>) = 0 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6440] <... futex resumed>) = 0 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] rmdir("./107/file0" [pid 6443] close(5 [pid 6442] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6440] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6438] close(5 [pid 6435] close(5 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... rmdir resumed>) = 0 [pid 6443] close(6 [pid 6438] close(6 [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./107/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] close(6 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6443] close(7 [pid 6438] close(7 [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./107/cgroup.cpu", [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] close(7 [pid 6443] close(8 [pid 6438] close(8 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./107/cgroup.cpu" [pid 6443] close(9 [pid 6438] close(9 [pid 6435] close(8 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6442] <... mkdirat resumed>) = 0 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 6443] close(10 [pid 6442] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] close(10 [pid 6435] close(9 [pid 5077] getdents64(3, [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6444] <... mount resumed>) = 0 [pid 6443] close(11 [pid 6442] <... futex resumed>) = 1 [pid 6440] <... futex resumed>) = 0 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6444] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6442] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] close(11 [pid 6435] close(10 [pid 5077] close(3 [pid 6444] <... openat resumed>) = 3 [pid 6443] close(12 [pid 6442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6440] <... futex resumed>) = 0 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... close resumed>) = 0 [pid 6444] chdir("./file0" [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6442] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6440] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6438] close(12 [pid 6435] close(11 [pid 5077] rmdir("./107" [pid 6444] <... chdir resumed>) = 0 [pid 6443] close(13 [pid 6442] <... symlinkat resumed>) = 0 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... rmdir resumed>) = 0 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6442] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] close(13 [pid 6435] close(12 [pid 5077] mkdir("./108", 0777 [pid 6443] close(14 [pid 6442] <... futex resumed>) = 0 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... mkdir resumed>) = 0 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6442] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6438] close(14 [pid 6435] close(13 [pid 6444] ioctl(4, LOOP_CLR_FD [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6444] <... ioctl resumed>) = 0 [pid 6443] close(15 [pid 6440] close(3 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... openat resumed>) = 3 [pid 6444] close(4 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] <... close resumed>) = 0 [pid 6438] close(15 [pid 6435] close(14 [pid 5077] ioctl(3, LOOP_CLR_FD [pid 6444] <... close resumed>) = 0 [pid 6443] close(16 [pid 6440] close(4 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6444] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6444] <... futex resumed>) = 1 [pid 6443] close(17 [pid 6441] <... futex resumed>) = 0 [pid 6440] close(5 [pid 6438] close(16 [pid 6435] close(15 [pid 5077] close(3 [pid 6444] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... close resumed>) = 0 [pid 6444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6443] close(18 [pid 6441] <... futex resumed>) = 0 [pid 6440] close(6 [pid 6438] close(17 [pid 6435] close(16 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6444] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6446 attached [pid 6443] close(19 [pid 6440] close(7 [pid 6438] close(18 [pid 6435] close(17 [pid 6444] <... mkdirat resumed>) = 0 [pid 6446] set_robust_list(0x5555562845e0, 24 [pid 6444] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 218 [pid 6446] <... set_robust_list resumed>) = 0 [pid 6444] <... futex resumed>) = 1 [pid 6443] close(20 [pid 6441] <... futex resumed>) = 0 [pid 6440] close(8 [pid 6438] close(19 [pid 6435] close(18 [pid 6446] chdir("./108" [pid 6444] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] <... chdir resumed>) = 0 [pid 6444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6443] close(21 [pid 6441] <... futex resumed>) = 0 [pid 6440] close(9 [pid 6438] close(20 [pid 6435] close(19 [pid 6446] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6444] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6441] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] <... prctl resumed>) = 0 [pid 6444] <... symlinkat resumed>) = 0 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] close(10 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] setpgid(0, 0 [pid 6444] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] close(22 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] close(21 [pid 6435] close(20 [pid 6446] <... setpgid resumed>) = 0 [pid 6444] <... futex resumed>) = 1 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... futex resumed>) = 0 [pid 6440] close(11 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6444] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6443] close(23 [pid 6441] close(3 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] close(22 [pid 6435] close(21 [pid 6446] <... symlink resumed>) = 0 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... close resumed>) = 0 [pid 6440] close(12 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6443] close(24 [pid 6441] close(4 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] close(23 [pid 6435] close(22 [pid 6446] <... symlink resumed>) = 0 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] close(13 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6443] close(25 [pid 6441] close(5 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] close(24 [pid 6435] close(23 [pid 6446] <... symlink resumed>) = 0 [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] close(14 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6443] close(26 [pid 6441] close(6 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] close(25 [pid 6435] close(24 [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] close(15 [pid 6446] <... openat resumed>) = 3 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] close(7 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] write(3, "1000", 4) = 4 [pid 6443] close(27 [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] close(16 [pid 6438] close(26 [pid 6435] close(25 [pid 6446] close(3 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] close(8 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] <... close resumed>) = 0 [pid 6443] close(28 [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] close(17 [pid 6438] close(27 [pid 6435] close(26 [pid 6446] symlink("/dev/binderfs", "./binderfs" [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] close(9 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] close(18 [pid 6446] <... symlink resumed>) = 0 [pid 6443] close(29 [pid 6441] close(10 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] close(28 [pid 6435] close(27 [pid 6446] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] close(19 [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6446] <... futex resumed>) = 0 [pid 6443] exit_group(0 [pid 6441] close(11 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6438] close(29 [pid 6435] close(28 [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] close(20 [pid 6441] close(12 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] close(21 [pid 6441] close(13 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] close(22 [pid 6441] close(14 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] close(23 [pid 6441] close(15 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] close(24 [pid 6441] close(16 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] close(25 [pid 6441] close(17 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] close(26 [pid 6441] close(18 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] close(27 [pid 6441] close(19 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] close(28 [pid 6441] close(20 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] close(29 [pid 6441] close(21 [pid 6440] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6440] exit_group(0 [pid 6441] close(22 [pid 6440] <... exit_group resumed>) = ? [pid 6442] <... futex resumed>) = ? [pid 6441] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6441] close(23) = -1 EBADF (Bad file descriptor) [pid 6441] close(24) = -1 EBADF (Bad file descriptor) [pid 6441] close(25) = -1 EBADF (Bad file descriptor) [pid 6441] close(26) = -1 EBADF (Bad file descriptor) [pid 6441] close(27) = -1 EBADF (Bad file descriptor) [pid 6445] <... futex resumed>) = ? [pid 6443] <... exit_group resumed>) = ? [pid 6445] +++ exited with 0 +++ [pid 6441] close(28) = -1 EBADF (Bad file descriptor) [pid 6441] close(29) = -1 EBADF (Bad file descriptor) [pid 6441] exit_group(0 [pid 6444] <... futex resumed>) = ? [pid 6441] <... exit_group resumed>) = ? [pid 6444] +++ exited with 0 +++ [pid 6442] +++ exited with 0 +++ [pid 6441] +++ exited with 0 +++ [pid 6440] +++ exited with 0 +++ [pid 6438] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6443] +++ exited with 0 +++ [pid 6446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6438] exit_group(0 [pid 6435] close(29 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6446] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6439] <... futex resumed>) = ? [pid 6438] <... exit_group resumed>) = ? [pid 6435] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} --- [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=6 /* 0.06 s */} --- [pid 6446] <... mprotect resumed>) = 0 [pid 6439] +++ exited with 0 +++ [pid 6446] 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 6447 attached [pid 6447] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6446] <... clone resumed>, parent_tid=[219], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 219 [pid 6447] <... set_robust_list resumed>) = 0 [pid 6446] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] memfd_create("syzkaller", 0 [pid 6446] <... futex resumed>) = 0 [pid 6438] +++ exited with 0 +++ [pid 6435] exit_group(0 [pid 5076] umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6447] <... memfd_create resumed>) = 3 [pid 6446] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6437] <... futex resumed>) = ? [pid 6435] <... exit_group resumed>) = ? [pid 6447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6437] +++ exited with 0 +++ [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6447] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6435] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5078] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... openat resumed>) = 3 [pid 5075] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] fstat(3, [pid 5079] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... openat resumed>) = 3 [pid 5078] <... openat resumed>) = 3 [pid 5079] <... openat resumed>) = 3 [pid 5075] fstat(3, [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] fstat(3, [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] getdents64(3, [pid 5079] fstat(3, [pid 5075] getdents64(3, [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] getdents64(3, [pid 5079] getdents64(3, [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./110/binderfs", [pid 5076] lstat("./104/binderfs", [pid 5075] lstat("./106/binderfs", [pid 5079] lstat("./112/binderfs", [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5079] unlink("./112/binderfs" [pid 5078] unlink("./110/binderfs" [pid 5076] unlink("./104/binderfs" [pid 5075] unlink("./106/binderfs" [pid 5074] fstat(3, [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./112/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./110/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./104/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./106/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(3, [pid 5079] lstat("./112/cgroup", [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] lstat("./110/cgroup", [pid 5076] lstat("./104/cgroup", [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] lstat("./106/cgroup", [pid 5079] unlink("./112/cgroup" [pid 5078] unlink("./110/cgroup" [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5076] unlink("./104/cgroup" [pid 5075] unlink("./106/cgroup" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... unlink resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] lstat("./105/binderfs", [pid 5078] umount2("./110/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./104/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./106/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./112/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./105/binderfs") = 0 [pid 6447] 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 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./110/cgroup.net", [pid 5076] lstat("./104/cgroup.net", [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./112/cgroup.net", [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] umount2("./105/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./110/cgroup.net" [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] lstat("./106/cgroup.net", [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] unlink("./112/cgroup.net" [pid 5078] <... unlink resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] unlink("./104/cgroup.net" [pid 5079] <... unlink resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5075] unlink("./106/cgroup.net" [pid 5076] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./105/cgroup", [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] unlink("./105/cgroup" [pid 5079] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... unlink resumed>) = 0 [pid 5074] umount2("./105/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./105/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] unlink("./105/cgroup.net") = 0 [pid 5074] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = 0 [pid 5075] <... umount2 resumed>) = 0 [pid 5078] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./110/file0", [pid 5075] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./106/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] openat(AT_FDCWD, "./110/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] openat(AT_FDCWD, "./106/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5078] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] fstat(4, [pid 5078] getdents64(4, [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] close(4 [pid 5075] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] close(4 [pid 5078] <... close resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 5078] rmdir("./110/file0") = 0 [pid 5075] rmdir("./106/file0" [pid 6447] <... write resumed>) = 2097152 [pid 5079] <... umount2 resumed>) = 0 [pid 5078] umount2("./110/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 6447] munmap(0x7f7a51cd9000, 2097152 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./106/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6447] <... munmap resumed>) = 0 [pid 5078] lstat("./110/cgroup.cpu", [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] lstat("./106/cgroup.cpu", [pid 5074] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] unlink("./110/cgroup.cpu" [pid 5076] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6447] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... unlink resumed>) = 0 [pid 5075] unlink("./106/cgroup.cpu" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6447] <... openat resumed>) = 4 [pid 5078] getdents64(3, [pid 5075] <... unlink resumed>) = 0 [pid 6447] ioctl(4, LOOP_SET_FD, 3 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] getdents64(3, [pid 5079] lstat("./112/file0", [pid 5078] close(3 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] lstat("./105/file0", [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... close resumed>) = 0 [pid 5076] lstat("./104/file0", [pid 5075] close(3 [pid 6447] <... ioctl resumed>) = 0 [pid 5079] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] rmdir("./110" [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 6447] close(3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6447] <... close resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./112/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6447] mkdir("./file0", 0777 [pid 5079] <... openat resumed>) = 4 [pid 5076] openat(AT_FDCWD, "./104/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... close resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./105/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6447] <... mkdir resumed>) = 0 [pid 5079] fstat(4, [pid 5078] <... rmdir resumed>) = 0 [pid 5076] <... openat resumed>) = 4 [pid 5075] rmdir("./106" [pid 5074] <... openat resumed>) = 4 [pid 6447] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] fstat(4, [pid 5074] fstat(4, [pid 5079] getdents64(4, [pid 5078] mkdir("./111", 0777 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] getdents64(4, [pid 5074] getdents64(4, [pid 5079] getdents64(4, [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] getdents64(4, [pid 5074] getdents64(4, [pid 5079] close(4 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5079] <... close resumed>) = 0 [pid 5076] close(4 [pid 5074] close(4 [pid 5079] rmdir("./112/file0" [pid 5076] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5076] rmdir("./104/file0" [pid 5074] rmdir("./105/file0" [pid 5079] umount2("./112/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... mkdir resumed>) = 0 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] mkdir("./107", 0777 [pid 5074] <... rmdir resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5076] umount2("./104/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./105/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./112/cgroup.cpu", [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... openat resumed>) = 3 [pid 5075] <... mkdir resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5076] lstat("./104/cgroup.cpu", [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5074] lstat("./105/cgroup.cpu", [pid 5079] unlink("./112/cgroup.cpu" [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 5075] <... openat resumed>) = 3 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] close(3 [pid 5076] unlink("./104/cgroup.cpu" [pid 5075] ioctl(3, LOOP_CLR_FD [ 182.416345][ T6447] loop5: detected capacity change from 0 to 4096 [pid 5074] unlink("./105/cgroup.cpu" [pid 5079] getdents64(3, [pid 5078] <... close resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] <... unlink resumed>) = 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] getdents64(3, [pid 5074] getdents64(3, [pid 5079] close(3 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5079] <... close resumed>) = 0 [pid 5076] close(3 [pid 5074] close(3 [pid 5079] rmdir("./112" [pid 5076] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] rmdir("./104" [pid 5075] close(3 [pid 5074] rmdir("./105"./strace-static-x86_64: Process 6448 attached [pid 5079] mkdir("./113", 0777 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 6448] set_robust_list(0x5555562845e0, 24 [pid 5079] <... mkdir resumed>) = 0 [pid 6447] <... mount resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 224 [pid 5076] mkdir("./105", 0777 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] mkdir("./106", 0777./strace-static-x86_64: Process 6449 attached [pid 6448] <... set_robust_list resumed>) = 0 [pid 6447] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5076] <... mkdir resumed>) = 0 [pid 6449] set_robust_list(0x5555562845e0, 24 [pid 6448] chdir("./111" [pid 6447] <... openat resumed>) = 3 [pid 5079] <... openat resumed>) = 3 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 216 [pid 5074] <... mkdir resumed>) = 0 [pid 6449] <... set_robust_list resumed>) = 0 [pid 6448] <... chdir resumed>) = 0 [pid 6447] chdir("./file0" [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5076] <... openat resumed>) = 3 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6449] chdir("./107" [pid 6448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6447] <... chdir resumed>) = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5074] <... openat resumed>) = 3 [pid 6449] <... chdir resumed>) = 0 [pid 6448] <... prctl resumed>) = 0 [pid 6447] ioctl(4, LOOP_CLR_FD [pid 5079] close(3 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6449] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6448] setpgid(0, 0 [pid 6447] <... ioctl resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6449] <... prctl resumed>) = 0 [pid 6448] <... setpgid resumed>) = 0 [pid 6447] close(4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] close(3 [pid 5074] close(3 [pid 6449] setpgid(0, 0 [pid 6448] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6447] <... close resumed>) = 0 ./strace-static-x86_64: Process 6450 attached [pid 6449] <... setpgid resumed>) = 0 [pid 6448] <... symlink resumed>) = 0 [pid 6447] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 6450] set_robust_list(0x5555562845e0, 24 [pid 6449] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6448] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6447] <... futex resumed>) = 1 [pid 6446] <... futex resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 228 [pid 5076] 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 [pid 6450] <... set_robust_list resumed>) = 0 [pid 6449] <... symlink resumed>) = 0 [pid 6448] <... symlink resumed>) = 0 [pid 6447] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6446] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6451 attached [pid 6448] symlink("/syzcgroup/net/syz1", "./cgroup.net"./strace-static-x86_64: Process 6452 attached [pid 6451] set_robust_list(0x5555562845e0, 24 [pid 6450] chdir("./113" [pid 6449] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6448] <... symlink resumed>) = 0 [pid 6447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6446] <... futex resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 212 [pid 6452] set_robust_list(0x5555562845e0, 24 [pid 6451] <... set_robust_list resumed>) = 0 [pid 6450] <... chdir resumed>) = 0 [pid 6449] <... symlink resumed>) = 0 [pid 6448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6447] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6446] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 214 [pid 6452] <... set_robust_list resumed>) = 0 [pid 6451] chdir("./105" [pid 6450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6449] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6448] <... openat resumed>) = 3 [pid 6452] chdir("./106" [pid 6451] <... chdir resumed>) = 0 [pid 6450] <... prctl resumed>) = 0 [pid 6449] <... symlink resumed>) = 0 [pid 6448] write(3, "1000", 4 [pid 6447] <... mkdirat resumed>) = 0 [pid 6452] <... chdir resumed>) = 0 [pid 6451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6450] setpgid(0, 0 [pid 6449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6448] <... write resumed>) = 4 [pid 6447] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... prctl resumed>) = 0 [pid 6450] <... setpgid resumed>) = 0 [pid 6448] close(3 [pid 6451] setpgid(0, 0 [pid 6450] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6448] <... close resumed>) = 0 [pid 6452] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6451] <... setpgid resumed>) = 0 [pid 6450] <... symlink resumed>) = 0 [pid 6448] symlink("/dev/binderfs", "./binderfs" [pid 6452] <... prctl resumed>) = 0 [pid 6451] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6450] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6449] <... openat resumed>) = 3 [pid 6448] <... symlink resumed>) = 0 [pid 6447] <... futex resumed>) = 1 [pid 6446] <... futex resumed>) = 0 [pid 6452] setpgid(0, 0 [pid 6451] <... symlink resumed>) = 0 [pid 6450] <... symlink resumed>) = 0 [pid 6449] write(3, "1000", 4 [pid 6448] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6446] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... setpgid resumed>) = 0 [pid 6451] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6450] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6449] <... write resumed>) = 4 [pid 6448] <... futex resumed>) = 0 [pid 6447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6446] <... futex resumed>) = 0 [pid 6452] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6451] <... symlink resumed>) = 0 [pid 6450] <... symlink resumed>) = 0 [pid 6449] close(3 [pid 6448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6447] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6446] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] <... symlink resumed>) = 0 [pid 6451] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6449] <... close resumed>) = 0 [pid 6448] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6452] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6451] <... symlink resumed>) = 0 [pid 6450] <... openat resumed>) = 3 [pid 6449] symlink("/dev/binderfs", "./binderfs" [pid 6448] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6447] <... symlinkat resumed>) = 0 [pid 6452] <... symlink resumed>) = 0 [pid 6451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6450] write(3, "1000", 4 [pid 6449] <... symlink resumed>) = 0 [pid 6448] <... mprotect resumed>) = 0 [pid 6447] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6451] <... openat resumed>) = 3 [pid 6450] <... write resumed>) = 4 [pid 6449] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] 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 6447] <... futex resumed>) = 1 [pid 6446] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6453 attached [pid 6452] <... symlink resumed>) = 0 [pid 6451] write(3, "1000", 4 [pid 6450] close(3 [pid 6449] <... futex resumed>) = 0 [pid 6447] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6446] close(3 [pid 6453] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6451] <... write resumed>) = 4 [pid 6450] <... close resumed>) = 0 [pid 6449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6448] <... clone resumed>, parent_tid=[225], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 225 [pid 6446] <... close resumed>) = 0 [pid 6453] <... set_robust_list resumed>) = 0 [pid 6452] <... openat resumed>) = 3 [pid 6451] close(3 [pid 6450] symlink("/dev/binderfs", "./binderfs" [pid 6449] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6448] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] close(4 [pid 6453] memfd_create("syzkaller", 0 [pid 6452] write(3, "1000", 4 [pid 6451] <... close resumed>) = 0 [pid 6450] <... symlink resumed>) = 0 [pid 6449] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6448] <... futex resumed>) = 0 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6453] <... memfd_create resumed>) = 3 [pid 6452] <... write resumed>) = 4 [pid 6451] symlink("/dev/binderfs", "./binderfs" [pid 6450] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... mprotect resumed>) = 0 [pid 6448] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6446] close(5 [pid 6453] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6452] close(3 [pid 6451] <... symlink resumed>) = 0 [pid 6450] <... futex resumed>) = 0 [pid 6449] 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 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6454 attached [pid 6453] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6452] <... close resumed>) = 0 [pid 6451] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6446] close(6 [pid 6454] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6451] <... futex resumed>) = 0 [pid 6452] symlink("/dev/binderfs", "./binderfs" [pid 6454] <... set_robust_list resumed>) = 0 [pid 6451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6450] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6449] <... clone resumed>, parent_tid=[217], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 217 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6454] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] <... symlink resumed>) = 0 [pid 6451] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6450] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6449] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] close(7 [pid 6454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6452] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6450] <... mprotect resumed>) = 0 [pid 6449] <... futex resumed>) = 0 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6454] memfd_create("syzkaller", 0 [pid 6452] <... futex resumed>) = 0 [pid 6451] <... mprotect resumed>) = 0 [pid 6450] 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 6446] close(8 [pid 6449] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6455 attached [pid 6454] <... memfd_create resumed>) = 3 [pid 6452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6451] 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 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6456 attached [pid 6455] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6454] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6452] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6450] <... clone resumed>, parent_tid=[229], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 229 [pid 6446] close(9 [pid 6456] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6455] <... set_robust_list resumed>) = 0 [pid 6454] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6452] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6451] <... clone resumed>, parent_tid=[213], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 213 [pid 6450] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6456] <... set_robust_list resumed>) = 0 [pid 6451] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6450] <... futex resumed>) = 0 [pid 6456] memfd_create("syzkaller", 0 [pid 6455] memfd_create("syzkaller", 0 [pid 6453] 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 6452] <... mprotect resumed>) = 0 [pid 6451] <... futex resumed>) = 0 [pid 6450] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6446] close(10 [pid 6456] <... memfd_create resumed>) = 3 [pid 6455] <... memfd_create resumed>) = 3 [pid 6452] 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 6451] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6457 attached [pid 6456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6455] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6446] close(11 [pid 6457] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6456] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6455] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6452] <... clone resumed>, parent_tid=[215], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 215 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6457] <... set_robust_list resumed>) = 0 [pid 6457] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6446] close(12 [pid 6457] <... futex resumed>) = 0 [pid 6452] <... futex resumed>) = 1 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6457] memfd_create("syzkaller", 0 [pid 6452] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6446] close(13 [pid 6457] <... memfd_create resumed>) = 3 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6457] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6446] close(14 [pid 6457] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6446] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6456] 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 6455] 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 6446] close(15) = -1 EBADF (Bad file descriptor) [pid 6446] close(16) = -1 EBADF (Bad file descriptor) [pid 6446] close(17) = -1 EBADF (Bad file descriptor) [pid 6446] close(18) = -1 EBADF (Bad file descriptor) [pid 6446] close(19) = -1 EBADF (Bad file descriptor) [pid 6446] close(20) = -1 EBADF (Bad file descriptor) [pid 6446] close(21) = -1 EBADF (Bad file descriptor) [pid 6446] close(22) = -1 EBADF (Bad file descriptor) [pid 6446] close(23) = -1 EBADF (Bad file descriptor) [pid 6446] close(24) = -1 EBADF (Bad file descriptor) [pid 6446] close(25) = -1 EBADF (Bad file descriptor) [pid 6446] close(26) = -1 EBADF (Bad file descriptor) [pid 6446] close(27) = -1 EBADF (Bad file descriptor) [pid 6446] close(28) = -1 EBADF (Bad file descriptor) [pid 6446] close(29) = -1 EBADF (Bad file descriptor) [pid 6446] exit_group(0 [pid 6447] <... futex resumed>) = ? [pid 6446] <... exit_group resumed>) = ? [pid 6447] +++ exited with 0 +++ [pid 6446] +++ exited with 0 +++ [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6457] 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 6454] 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] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5077] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6453] <... write resumed>) = 2097152 [pid 5077] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5077] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] unlink("./108/binderfs" [pid 6453] munmap(0x7f7a51cd9000, 2097152 [pid 5077] <... unlink resumed>) = 0 [pid 5077] umount2("./108/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./108/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] unlink("./108/cgroup") = 0 [pid 5077] umount2("./108/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./108/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] unlink("./108/cgroup.net") = 0 [pid 5077] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6453] <... munmap resumed>) = 0 [pid 6453] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6456] <... write resumed>) = 2097152 [pid 6453] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6453] close(3) = 0 [pid 6453] mkdir("./file0", 0777) = 0 [pid 6456] munmap(0x7f7a51cd9000, 2097152) = 0 [pid 6455] <... write resumed>) = 2097152 [pid 6453] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6454] <... write resumed>) = 2097152 [pid 6454] munmap(0x7f7a51cd9000, 2097152 [pid 5077] <... umount2 resumed>) = 0 [pid 5077] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6455] munmap(0x7f7a51cd9000, 2097152 [pid 5077] lstat("./108/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6456] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6456] <... openat resumed>) = 4 [ 182.780194][ T6453] loop1: detected capacity change from 0 to 4096 [pid 6455] <... munmap resumed>) = 0 [pid 6454] <... munmap resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./108/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6457] <... write resumed>) = 2097152 [pid 6456] ioctl(4, LOOP_SET_FD, 3 [pid 6455] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6454] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5077] <... openat resumed>) = 4 [pid 6457] munmap(0x7f7a51cd9000, 2097152 [pid 6455] <... openat resumed>) = 4 [pid 5077] fstat(4, [pid 6454] <... openat resumed>) = 4 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6455] ioctl(4, LOOP_SET_FD, 3 [pid 6454] ioctl(4, LOOP_SET_FD, 3 [pid 5077] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] getdents64(4, [pid 6456] <... ioctl resumed>) = 0 [pid 6456] close(3) = 0 [pid 6456] mkdir("./file0", 0777 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6455] <... ioctl resumed>) = 0 [pid 6457] <... munmap resumed>) = 0 [pid 6454] <... ioctl resumed>) = 0 [pid 5077] close(4 [pid 6455] close(3 [pid 6457] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6455] <... close resumed>) = 0 [pid 6454] close(3 [pid 5077] <... close resumed>) = 0 [pid 6457] <... openat resumed>) = 4 [pid 6455] mkdir("./file0", 0777 [pid 6454] <... close resumed>) = 0 [pid 6453] <... mount resumed>) = 0 [pid 5077] rmdir("./108/file0" [pid 6457] ioctl(4, LOOP_SET_FD, 3 [pid 6455] <... mkdir resumed>) = 0 [pid 6454] mkdir("./file0", 0777 [pid 6453] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5077] <... rmdir resumed>) = 0 [pid 6457] <... ioctl resumed>) = 0 [pid 6456] <... mkdir resumed>) = 0 [pid 6455] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6454] <... mkdir resumed>) = 0 [pid 6453] <... openat resumed>) = 3 [pid 5077] umount2("./108/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6457] close(3 [pid 6456] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6454] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6453] chdir("./file0" [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6457] <... close resumed>) = 0 [pid 6453] <... chdir resumed>) = 0 [pid 5077] lstat("./108/cgroup.cpu", [pid 6457] mkdir("./file0", 0777 [pid 6453] ioctl(4, LOOP_CLR_FD [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6457] <... mkdir resumed>) = 0 [pid 6453] <... ioctl resumed>) = 0 [pid 5077] unlink("./108/cgroup.cpu" [pid 6457] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [ 182.847107][ T6456] loop4: detected capacity change from 0 to 4096 [ 182.857592][ T6454] loop3: detected capacity change from 0 to 4096 [ 182.864641][ T6455] loop2: detected capacity change from 0 to 4096 [ 182.885467][ T6457] loop0: detected capacity change from 0 to 4096 [pid 6453] close(4 [pid 5077] <... unlink resumed>) = 0 [pid 6453] <... close resumed>) = 0 [pid 5077] getdents64(3, [pid 6453] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6453] <... futex resumed>) = 1 [pid 5077] close(3 [pid 6453] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] <... close resumed>) = 0 [pid 5077] rmdir("./108" [pid 6448] <... futex resumed>) = 0 [pid 5077] <... rmdir resumed>) = 0 [pid 5077] mkdir("./109", 0777) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 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 6458 attached [pid 6456] <... mount resumed>) = 0 [pid 6448] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] set_robust_list(0x5555562845e0, 24 [pid 6456] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6453] <... futex resumed>) = 0 [pid 6448] <... futex resumed>) = 1 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 220 [pid 6458] <... set_robust_list resumed>) = 0 [pid 6456] <... openat resumed>) = 3 [pid 6448] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6458] chdir("./109" [pid 6456] chdir("./file0" [pid 6458] <... chdir resumed>) = 0 [pid 6456] <... chdir resumed>) = 0 [pid 6453] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6458] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6456] ioctl(4, LOOP_CLR_FD [pid 6458] <... prctl resumed>) = 0 [pid 6456] <... ioctl resumed>) = 0 [pid 6458] setpgid(0, 0 [pid 6456] close(4 [pid 6458] <... setpgid resumed>) = 0 [pid 6456] <... close resumed>) = 0 [pid 6453] <... mkdirat resumed>) = 0 [pid 6458] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6456] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6453] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] <... symlink resumed>) = 0 [pid 6456] <... futex resumed>) = 1 [pid 6453] <... futex resumed>) = 1 [pid 6451] <... futex resumed>) = 0 [pid 6448] <... futex resumed>) = 0 [pid 6458] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6456] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] <... symlink resumed>) = 0 [pid 6456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6455] <... mount resumed>) = 0 [pid 6454] <... mount resumed>) = 0 [pid 6453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6451] <... futex resumed>) = 0 [pid 6448] <... futex resumed>) = 0 [pid 6458] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6456] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6455] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6454] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6453] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6451] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6448] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6458] <... symlink resumed>) = 0 [pid 6457] <... mount resumed>) = 0 [pid 6456] <... mkdirat resumed>) = 0 [pid 6455] <... openat resumed>) = 3 [pid 6454] <... openat resumed>) = 3 [pid 6453] <... symlinkat resumed>) = 0 [pid 6458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6457] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6456] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] chdir("./file0" [pid 6454] chdir("./file0" [pid 6453] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] <... openat resumed>) = 3 [pid 6457] <... openat resumed>) = 3 [pid 6456] <... futex resumed>) = 1 [pid 6451] <... futex resumed>) = 0 [pid 6458] write(3, "1000", 4 [pid 6457] chdir("./file0" [pid 6456] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6455] <... chdir resumed>) = 0 [pid 6454] <... chdir resumed>) = 0 [pid 6453] <... futex resumed>) = 1 [pid 6451] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] <... futex resumed>) = 0 [pid 6458] <... write resumed>) = 4 [pid 6457] <... chdir resumed>) = 0 [pid 6456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6455] ioctl(4, LOOP_CLR_FD [pid 6454] ioctl(4, LOOP_CLR_FD [pid 6453] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] <... futex resumed>) = 0 [pid 6448] close(3 [pid 6458] close(3 [pid 6457] ioctl(4, LOOP_CLR_FD [pid 6456] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6455] <... ioctl resumed>) = 0 [pid 6454] <... ioctl resumed>) = 0 [pid 6451] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6448] <... close resumed>) = 0 [pid 6458] <... close resumed>) = 0 [pid 6457] <... ioctl resumed>) = 0 [pid 6456] <... symlinkat resumed>) = 0 [pid 6455] close(4 [pid 6454] close(4 [pid 6448] close(4 [pid 6458] symlink("/dev/binderfs", "./binderfs" [pid 6457] close(4 [pid 6456] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] <... close resumed>) = 0 [pid 6454] <... close resumed>) = 0 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6458] <... symlink resumed>) = 0 [pid 6457] <... close resumed>) = 0 [pid 6456] <... futex resumed>) = 1 [pid 6455] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... futex resumed>) = 0 [pid 6448] close(5 [pid 6458] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6457] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6456] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6455] <... futex resumed>) = 1 [pid 6454] <... futex resumed>) = 1 [pid 6451] close(3 [pid 6450] <... futex resumed>) = 0 [pid 6449] <... futex resumed>) = 0 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6458] <... futex resumed>) = 0 [pid 6457] <... futex resumed>) = 1 [pid 6455] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6454] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] <... futex resumed>) = 0 [pid 6451] <... close resumed>) = 0 [pid 6450] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] close(6 [pid 6458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6457] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6452] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] close(4 [pid 6450] <... futex resumed>) = 0 [pid 6449] <... futex resumed>) = 0 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6458] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6455] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6454] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6452] <... futex resumed>) = 0 [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6449] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6448] close(7 [pid 6458] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6457] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6452] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6451] close(5 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6458] <... mprotect resumed>) = 0 [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] close(8 [pid 6458] 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 6451] close(6 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6459 attached [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] close(9 [pid 6459] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6458] <... clone resumed>, parent_tid=[221], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 221 [pid 6451] close(7 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6459] <... set_robust_list resumed>) = 0 [pid 6458] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] close(10 [pid 6459] memfd_create("syzkaller", 0 [pid 6458] <... futex resumed>) = 0 [pid 6457] <... mkdirat resumed>) = 0 [pid 6455] <... mkdirat resumed>) = 0 [pid 6454] <... mkdirat resumed>) = 0 [pid 6451] close(8 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6459] <... memfd_create resumed>) = 3 [pid 6458] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6457] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] close(11 [pid 6459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6457] <... futex resumed>) = 1 [pid 6455] <... futex resumed>) = 1 [pid 6454] <... futex resumed>) = 1 [pid 6452] <... futex resumed>) = 0 [pid 6451] close(9 [pid 6450] <... futex resumed>) = 0 [pid 6449] <... futex resumed>) = 0 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6459] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6457] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6455] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6454] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] close(12 [pid 6457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6452] <... futex resumed>) = 0 [pid 6451] close(10 [pid 6450] <... futex resumed>) = 0 [pid 6449] <... futex resumed>) = 0 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6457] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6455] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6454] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6452] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6449] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6448] close(13 [pid 6451] close(11 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6457] <... symlinkat resumed>) = 0 [pid 6455] <... symlinkat resumed>) = 0 [pid 6454] <... symlinkat resumed>) = 0 [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] close(14 [pid 6457] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] close(12 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] close(15 [pid 6451] close(13 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6457] <... futex resumed>) = 1 [pid 6455] <... futex resumed>) = 1 [pid 6454] <... futex resumed>) = 1 [pid 6452] <... futex resumed>) = 0 [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... futex resumed>) = 0 [pid 6449] <... futex resumed>) = 0 [pid 6448] close(16 [pid 6457] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6455] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6454] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6452] close(3 [pid 6451] close(14 [pid 6450] close(3 [pid 6449] close(3 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = 0 [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = 0 [pid 6449] <... close resumed>) = 0 [pid 6448] close(17 [pid 6452] close(4 [pid 6451] close(15 [pid 6450] close(4 [pid 6449] close(4 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] close(18 [pid 6452] close(5 [pid 6451] close(16 [pid 6450] close(5 [pid 6449] close(5 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] close(19 [pid 6452] close(6 [pid 6451] close(17 [pid 6450] close(6 [pid 6449] close(6 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] close(20 [pid 6452] close(7 [pid 6451] close(18 [pid 6450] close(7 [pid 6449] close(7 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] close(21 [pid 6452] close(8 [pid 6451] close(19 [pid 6450] close(8 [pid 6449] close(8 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] close(22 [pid 6459] 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 6452] close(9 [pid 6451] close(20 [pid 6450] close(9 [pid 6449] close(9 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] close(23 [pid 6452] close(10 [pid 6451] close(21 [pid 6450] close(10 [pid 6449] close(10 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] close(24 [pid 6452] close(11 [pid 6451] close(22 [pid 6450] close(11 [pid 6449] close(11 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] close(25 [pid 6452] close(12 [pid 6451] close(23 [pid 6450] close(12 [pid 6449] close(12 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] close(26 [pid 6452] close(13 [pid 6451] close(24 [pid 6450] close(13 [pid 6449] close(13 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] close(27 [pid 6452] close(14 [pid 6451] close(25 [pid 6450] close(14 [pid 6449] close(14 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] close(28 [pid 6452] close(15 [pid 6451] close(26 [pid 6450] close(15 [pid 6449] close(15 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] close(29 [pid 6452] close(16 [pid 6451] close(27 [pid 6450] close(16 [pid 6449] close(16 [pid 6448] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] exit_group(0 [pid 6453] <... futex resumed>) = ? [pid 6452] close(17 [pid 6451] close(28 [pid 6450] close(17 [pid 6449] close(17 [pid 6448] <... exit_group resumed>) = ? [pid 6453] +++ exited with 0 +++ [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6448] +++ exited with 0 +++ [pid 6452] close(18 [pid 6451] close(29 [pid 6450] close(18 [pid 6449] close(18 [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] close(19 [pid 6451] exit_group(0 [pid 6450] close(19 [pid 6449] close(19 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6456] <... futex resumed>) = ? [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] <... exit_group resumed>) = ? [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6452] close(20 [pid 6450] close(20 [pid 6449] close(20 [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6452] close(21 [pid 6450] close(21 [pid 6449] close(21 [pid 6456] +++ exited with 0 +++ [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6451] +++ exited with 0 +++ [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6452] close(22 [pid 6450] close(22 [pid 6449] close(22 [pid 5078] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 3 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=212, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6452] close(23 [pid 6450] close(23 [pid 6449] close(23 [pid 5078] fstat(3, [pid 5076] umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6452] close(24 [pid 6450] close(24 [pid 6449] close(24 [pid 5078] getdents64(3, [pid 5076] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] <... openat resumed>) = 3 [pid 6452] close(25 [pid 6450] close(25 [pid 6449] close(25 [pid 5078] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] fstat(3, [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6452] close(26 [pid 6450] close(26 [pid 6449] close(26 [pid 5078] lstat("./111/binderfs", [pid 5076] getdents64(3, [pid 6459] <... write resumed>) = 2097152 [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6452] close(27 [pid 6450] close(27 [pid 6449] close(27 [pid 5078] unlink("./111/binderfs" [pid 5076] umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6459] munmap(0x7f7a51cd9000, 2097152 [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./111/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6452] close(28 [pid 6450] close(28 [pid 6449] close(28 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./105/binderfs", [pid 6459] <... munmap resumed>) = 0 [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./111/cgroup", [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6459] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6452] close(29 [pid 6450] close(29 [pid 6449] close(29 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] unlink("./105/binderfs" [pid 6459] <... openat resumed>) = 4 [pid 6452] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6450] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6449] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./111/cgroup" [pid 5076] <... unlink resumed>) = 0 [pid 6459] ioctl(4, LOOP_SET_FD, 3 [pid 6452] exit_group(0 [pid 6450] exit_group(0 [pid 6449] exit_group(0 [pid 5076] umount2("./105/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... unlink resumed>) = 0 [pid 5078] umount2("./111/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./111/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./111/cgroup.net") = 0 [pid 5078] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6452] <... exit_group resumed>) = ? [pid 6459] <... ioctl resumed>) = 0 [pid 6457] <... futex resumed>) = ? [pid 6455] <... futex resumed>) = ? [pid 6454] <... futex resumed>) = ? [pid 6450] <... exit_group resumed>) = ? [pid 6449] <... exit_group resumed>) = ? [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6459] close(3 [pid 6457] +++ exited with 0 +++ [pid 6455] +++ exited with 0 +++ [pid 6454] +++ exited with 0 +++ [pid 6452] +++ exited with 0 +++ [pid 6449] +++ exited with 0 +++ [pid 5076] lstat("./105/cgroup", [pid 6459] <... close resumed>) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6459] mkdir("./file0", 0777 [pid 5076] unlink("./105/cgroup" [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6459] <... mkdir resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 6459] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5076] umount2("./105/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... restart_syscall resumed>) = 0 [pid 6450] +++ exited with 0 +++ [pid 5078] <... umount2 resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 5076] lstat("./105/cgroup.net", [pid 5075] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] unlink("./105/cgroup.net" [pid 5075] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... openat resumed>) = 3 [pid 5074] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] fstat(3, [pid 5074] <... openat resumed>) = 3 [pid 5074] fstat(3, [pid 5079] umount2("./113", 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 5074] getdents64(3, [pid 5079] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5079] <... openat resumed>) = 3 [pid 5074] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] fstat(3, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] lstat("./106/binderfs", [pid 5079] getdents64(3, [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] unlink("./106/binderfs" [pid 5079] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... unlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./106/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./113/binderfs", [pid 5075] getdents64(3, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] lstat("./106/cgroup", [pid 5079] unlink("./113/binderfs" [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [ 183.237330][ T6459] loop5: detected capacity change from 0 to 4096 [pid 5079] <... unlink resumed>) = 0 [pid 5078] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = 0 [pid 5075] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./106/cgroup" [pid 5079] umount2("./113/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... unlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./107/binderfs", [pid 5074] umount2("./106/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./113/cgroup", [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] lstat("./106/cgroup.net", [pid 5079] unlink("./113/cgroup" [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5074] unlink("./106/cgroup.net" [pid 5079] umount2("./113/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... unlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./111/file0", [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./113/cgroup.net", [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] unlink("./107/binderfs" [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] unlink("./113/cgroup.net") = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... unlink resumed>) = 0 [pid 5079] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] openat(AT_FDCWD, "./111/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] umount2("./107/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... openat resumed>) = 4 [pid 5078] fstat(4, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] lstat("./107/cgroup", [pid 5078] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] unlink("./107/cgroup" [pid 5078] close(4) = 0 [pid 5076] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... unlink resumed>) = 0 [pid 5078] rmdir("./111/file0" [pid 5075] umount2("./107/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6459] <... mount resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6459] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5078] umount2("./111/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] lstat("./107/cgroup.net", [pid 6459] <... openat resumed>) = 3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./105/file0", [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6459] chdir("./file0" [pid 5078] lstat("./111/cgroup.cpu", [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] unlink("./107/cgroup.net" [pid 6459] <... chdir resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... unlink resumed>) = 0 [pid 6459] ioctl(4, LOOP_CLR_FD [pid 5079] <... umount2 resumed>) = 0 [pid 5078] unlink("./111/cgroup.cpu" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6459] <... ioctl resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 6459] close(4 [pid 5079] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] getdents64(3, [pid 5076] openat(AT_FDCWD, "./105/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6459] <... close resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6459] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] close(3 [pid 6459] <... futex resumed>) = 1 [pid 6458] <... futex resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 6459] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6458] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] rmdir("./111" [pid 5076] <... openat resumed>) = 4 [pid 5074] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6458] <... futex resumed>) = 0 [pid 5079] lstat("./113/file0", [pid 5078] <... rmdir resumed>) = 0 [pid 5076] fstat(4, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6459] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6458] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] mkdir("./112", 0777 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... umount2 resumed>) = 0 [pid 5074] lstat("./106/file0", [pid 5079] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... mkdir resumed>) = 0 [pid 5076] getdents64(4, [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5078] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5078] close(3) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6460 attached [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5079] openat(AT_FDCWD, "./113/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6460] set_robust_list(0x5555562845e0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 226 [pid 5076] getdents64(4, [pid 6460] <... set_robust_list resumed>) = 0 [pid 6459] <... mkdirat resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6460] chdir("./112" [pid 6459] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] fstat(4, [pid 5076] close(4 [pid 5074] openat(AT_FDCWD, "./106/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6460] <... chdir resumed>) = 0 [pid 6459] <... futex resumed>) = 1 [pid 6458] <... futex resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... close resumed>) = 0 [pid 6460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6459] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6458] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] getdents64(4, [pid 5076] rmdir("./105/file0" [pid 5074] <... openat resumed>) = 4 [pid 6460] <... prctl resumed>) = 0 [pid 6459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6458] <... futex resumed>) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] fstat(4, [pid 6460] setpgid(0, 0 [pid 6459] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6458] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] getdents64(4, [pid 5076] <... rmdir resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6460] <... setpgid resumed>) = 0 [pid 6459] <... symlinkat resumed>) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] umount2("./105/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(4, [pid 6460] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6459] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] close(4 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6460] <... symlink resumed>) = 0 [pid 6459] <... futex resumed>) = 1 [pid 6458] <... futex resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5076] lstat("./105/cgroup.cpu", [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6460] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6459] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6458] close(3 [pid 5079] rmdir("./113/file0" [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] getdents64(4, [pid 6460] <... symlink resumed>) = 0 [pid 6458] <... close resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5075] lstat("./107/file0", [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] unlink("./105/cgroup.cpu" [pid 6460] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6458] close(4 [pid 5079] umount2("./113/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] close(4 [pid 6460] <... symlink resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... unlink resumed>) = 0 [pid 5075] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... close resumed>) = 0 [pid 6460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6458] close(5 [pid 5079] lstat("./113/cgroup.cpu", [pid 5076] getdents64(3, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] rmdir("./106/file0" [pid 6460] <... openat resumed>) = 3 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] openat(AT_FDCWD, "./107/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6460] write(3, "1000", 4 [pid 6458] close(6 [pid 5079] unlink("./113/cgroup.cpu" [pid 5076] close(3 [pid 5075] <... openat resumed>) = 4 [pid 5074] <... rmdir resumed>) = 0 [pid 6460] <... write resumed>) = 4 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5075] fstat(4, [pid 5074] umount2("./106/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6460] close(3 [pid 6458] close(7 [pid 5079] getdents64(3, [pid 5076] rmdir("./105" [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6460] <... close resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] getdents64(4, [pid 6460] symlink("/dev/binderfs", "./binderfs" [pid 6458] close(8 [pid 5079] close(3 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] lstat("./106/cgroup.cpu", [pid 6460] <... symlink resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 5076] mkdir("./106", 0777 [pid 5075] getdents64(4, [pid 6460] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] close(9 [pid 5079] rmdir("./113" [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6460] <... futex resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... rmdir resumed>) = 0 [pid 5076] <... mkdir resumed>) = 0 [pid 5075] close(4 [pid 5074] unlink("./106/cgroup.cpu" [pid 6460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6458] close(10 [pid 5079] mkdir("./114", 0777 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5075] <... close resumed>) = 0 [pid 6460] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... mkdir resumed>) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5075] rmdir("./107/file0" [pid 5074] <... unlink resumed>) = 0 [pid 6460] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6458] close(11 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5075] <... rmdir resumed>) = 0 [pid 5074] getdents64(3, [pid 6460] <... mprotect resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] umount2("./107/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6460] 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 6458] close(12 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5076] close(3 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] close(3./strace-static-x86_64: Process 6461 attached [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] <... close resumed>) = 0 [pid 5075] lstat("./107/cgroup.cpu", [pid 6458] close(13 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] unlink("./107/cgroup.cpu" [pid 6458] close(14 [pid 5075] <... unlink resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] getdents64(3, [pid 6458] close(15 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] close(3 [pid 6458] close(16 [pid 5075] <... close resumed>) = 0 [pid 6461] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6460] <... clone resumed>, parent_tid=[227], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 227 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(3 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] rmdir("./107" [pid 5074] <... close resumed>) = 0 [pid 6461] <... set_robust_list resumed>) = 0 [pid 6460] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] close(17 [pid 5079] <... close resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6462 attached [pid 6460] <... futex resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] mkdir("./108", 0777 [pid 5074] rmdir("./106" [pid 6462] set_robust_list(0x5555562845e0, 24 [pid 6461] memfd_create("syzkaller", 0 [pid 6460] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6458] close(18 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 214 [pid 5075] <... mkdir resumed>) = 0 [pid 6462] <... set_robust_list resumed>) = 0 [pid 6461] <... memfd_create resumed>) = 3 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5074] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6463 attached [pid 6462] chdir("./106" [pid 6458] close(19 [pid 6461] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5075] <... openat resumed>) = 3 [pid 5074] mkdir("./107", 0777 [pid 6463] set_robust_list(0x5555562845e0, 24 [pid 6462] <... chdir resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 230 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6458] close(20 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6462] <... prctl resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] close(3 [pid 6462] setpgid(0, 0 [pid 6458] close(21 [pid 5075] <... close resumed>) = 0 [pid 6462] <... setpgid resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6464 attached [pid 6463] <... set_robust_list resumed>) = 0 [pid 6462] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6461] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6458] close(22 [pid 5074] <... mkdir resumed>) = 0 [pid 6464] set_robust_list(0x5555562845e0, 24 [pid 6463] chdir("./114" [pid 6462] <... symlink resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 218 [pid 6464] <... set_robust_list resumed>) = 0 [pid 6462] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6458] close(23 [pid 6464] chdir("./108" [pid 6462] <... symlink resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... chdir resumed>) = 0 [pid 6462] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6458] close(24 [pid 6464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6462] <... symlink resumed>) = 0 [pid 6463] <... chdir resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6464] <... prctl resumed>) = 0 [pid 6463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6458] close(25 [pid 6464] setpgid(0, 0 [pid 6463] <... prctl resumed>) = 0 [pid 6462] <... openat resumed>) = 3 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... openat resumed>) = 3 [pid 6464] <... setpgid resumed>) = 0 [pid 6463] setpgid(0, 0 [pid 6462] write(3, "1000", 4 [pid 6458] close(26 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6464] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6463] <... setpgid resumed>) = 0 [pid 6462] <... write resumed>) = 4 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6464] <... symlink resumed>) = 0 [pid 6463] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6462] close(3 [pid 6458] close(27 [pid 5074] close(3 [pid 6464] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6463] <... symlink resumed>) = 0 [pid 6462] <... close resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = 0 [pid 6464] <... symlink resumed>) = 0 [pid 6463] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6462] symlink("/dev/binderfs", "./binderfs" [pid 6458] close(28 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6464] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6463] <... symlink resumed>) = 0 [pid 6462] <... symlink resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6465 attached [pid 6464] <... symlink resumed>) = 0 [pid 6463] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6462] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] close(29 [pid 6465] set_robust_list(0x5555562845e0, 24 [pid 6464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6463] <... symlink resumed>) = 0 [pid 6462] <... futex resumed>) = 0 [pid 6458] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 216 [pid 6465] <... set_robust_list resumed>) = 0 [pid 6464] <... openat resumed>) = 3 [pid 6463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6458] exit_group(0 [pid 6465] chdir("./107" [pid 6464] write(3, "1000", 4 [pid 6463] <... openat resumed>) = 3 [pid 6462] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6459] <... futex resumed>) = ? [pid 6458] <... exit_group resumed>) = ? [pid 6465] <... chdir resumed>) = 0 [pid 6464] <... write resumed>) = 4 [pid 6463] write(3, "1000", 4 [pid 6462] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6459] +++ exited with 0 +++ [pid 6458] +++ exited with 0 +++ [pid 6465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6464] close(3 [pid 6463] <... write resumed>) = 4 [pid 6462] <... mprotect resumed>) = 0 [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 6465] <... prctl resumed>) = 0 [pid 6464] <... close resumed>) = 0 [pid 6463] close(3 [pid 6462] 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 6466 attached [pid 6465] setpgid(0, 0 [pid 6464] symlink("/dev/binderfs", "./binderfs" [pid 6463] <... close resumed>) = 0 [pid 6466] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6465] <... setpgid resumed>) = 0 [pid 6464] <... symlink resumed>) = 0 [pid 6463] symlink("/dev/binderfs", "./binderfs" [pid 6462] <... clone resumed>, parent_tid=[215], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 215 [pid 6466] <... set_robust_list resumed>) = 0 [pid 6465] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6464] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] <... symlink resumed>) = 0 [pid 6462] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6466] memfd_create("syzkaller", 0 [pid 6465] <... symlink resumed>) = 0 [pid 6464] <... futex resumed>) = 0 [pid 6463] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] <... futex resumed>) = 0 [pid 6461] 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] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6466] <... memfd_create resumed>) = 3 [pid 6465] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6463] <... futex resumed>) = 0 [pid 6462] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5077] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6466] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6465] <... symlink resumed>) = 0 [pid 6464] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6466] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6465] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6464] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6463] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5077] <... openat resumed>) = 3 [pid 6465] <... symlink resumed>) = 0 [pid 6464] <... mprotect resumed>) = 0 [pid 6463] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5077] fstat(3, [pid 6465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6464] 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 6463] <... mprotect resumed>) = 0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6467 attached [pid 6465] <... openat resumed>) = 3 [pid 6463] 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(3, ./strace-static-x86_64: Process 6468 attached [pid 6467] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6465] write(3, "1000", 4 [pid 6464] <... clone resumed>, parent_tid=[219], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 219 [pid 6468] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6467] <... set_robust_list resumed>) = 0 [pid 6465] <... write resumed>) = 4 [pid 6464] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] <... clone resumed>, parent_tid=[231], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 231 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6468] <... set_robust_list resumed>) = 0 [pid 6467] memfd_create("syzkaller", 0 [pid 6465] close(3 [pid 6464] <... futex resumed>) = 0 [pid 6463] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6468] memfd_create("syzkaller", 0 [pid 6467] <... memfd_create resumed>) = 3 [pid 6465] <... close resumed>) = 0 [pid 6464] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6463] <... futex resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6468] <... memfd_create resumed>) = 3 [pid 6467] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6465] symlink("/dev/binderfs", "./binderfs" [pid 6463] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5077] lstat("./109/binderfs", [pid 6468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6467] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6465] <... symlink resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6468] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6465] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6461] <... write resumed>) = 2097152 [pid 5077] unlink("./109/binderfs" [pid 6465] <... futex resumed>) = 0 [pid 6465] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5077] <... unlink resumed>) = 0 [pid 6465] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5077] umount2("./109/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6465] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6465] <... mprotect resumed>) = 0 [pid 5077] lstat("./109/cgroup", [pid 6465] 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 ./strace-static-x86_64: Process 6469 attached [pid 5077] unlink("./109/cgroup" [pid 6469] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6466] 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 6465] <... clone resumed>, parent_tid=[217], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 217 [pid 6461] munmap(0x7f7a51cd9000, 2097152 [pid 6469] <... set_robust_list resumed>) = 0 [pid 6468] 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 6465] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6461] <... munmap resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 6469] memfd_create("syzkaller", 0 [pid 6465] <... futex resumed>) = 0 [pid 6461] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5077] umount2("./109/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6469] <... memfd_create resumed>) = 3 [pid 6467] 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 6465] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6461] <... openat resumed>) = 4 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6469] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6461] ioctl(4, LOOP_SET_FD, 3 [pid 5077] lstat("./109/cgroup.net", [pid 6469] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6461] <... ioctl resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] unlink("./109/cgroup.net") = 0 [pid 5077] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6461] close(3) = 0 [pid 6461] mkdir("./file0", 0777) = 0 [ 183.703558][ T6461] loop1: detected capacity change from 0 to 4096 [pid 6461] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5077] <... umount2 resumed>) = 0 [pid 5077] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./109/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] openat(AT_FDCWD, "./109/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5077] fstat(4, [pid 6469] 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] <... 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("./109/file0" [pid 6468] <... write resumed>) = 2097152 [pid 5077] <... rmdir resumed>) = 0 [pid 6466] <... write resumed>) = 2097152 [pid 5077] umount2("./109/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6468] munmap(0x7f7a51cd9000, 2097152 [pid 6466] munmap(0x7f7a51cd9000, 2097152 [pid 6461] <... mount resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6468] <... munmap resumed>) = 0 [pid 6467] <... write resumed>) = 2097152 [pid 6461] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5077] lstat("./109/cgroup.cpu", [pid 6468] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6467] munmap(0x7f7a51cd9000, 2097152 [pid 6461] <... openat resumed>) = 3 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6469] <... write resumed>) = 2097152 [pid 6468] <... openat resumed>) = 4 [pid 6466] <... munmap resumed>) = 0 [pid 5077] unlink("./109/cgroup.cpu" [pid 6469] munmap(0x7f7a51cd9000, 2097152 [pid 6468] ioctl(4, LOOP_SET_FD, 3 [pid 6467] <... munmap resumed>) = 0 [pid 6466] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6461] chdir("./file0" [pid 5077] <... unlink resumed>) = 0 [pid 6466] <... openat resumed>) = 4 [pid 5077] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] close(3) = 0 [pid 5077] rmdir("./109") = 0 [pid 5077] mkdir("./110", 0777 [pid 6469] <... munmap resumed>) = 0 [pid 6467] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6466] ioctl(4, LOOP_SET_FD, 3 [pid 6461] <... chdir resumed>) = 0 [pid 5077] <... mkdir resumed>) = 0 [pid 6469] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6467] <... openat resumed>) = 4 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5077] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5077] close(3 [pid 6469] <... openat resumed>) = 4 [pid 6468] <... ioctl resumed>) = 0 [pid 6467] ioctl(4, LOOP_SET_FD, 3 [pid 6466] <... ioctl resumed>) = 0 [pid 6461] ioctl(4, LOOP_CLR_FD [pid 5077] <... close resumed>) = 0 [pid 6469] ioctl(4, LOOP_SET_FD, 3 [pid 6468] close(3 [pid 6466] close(3 [pid 6461] <... ioctl resumed>) = 0 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6468] <... close resumed>) = 0 [pid 6467] <... ioctl resumed>) = 0 [pid 6466] <... close resumed>) = 0 [pid 6461] close(4 [pid 6468] mkdir("./file0", 0777 [pid 6466] mkdir("./file0", 0777 [pid 6461] <... close resumed>) = 0 [pid 6468] <... mkdir resumed>) = 0 [pid 6466] <... mkdir resumed>) = 0 [pid 6461] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6470 attached [pid 6468] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6467] close(3 [pid 6466] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6461] <... futex resumed>) = 1 [pid 6460] <... futex resumed>) = 0 [pid 6470] set_robust_list(0x5555562845e0, 24 [pid 6467] <... close resumed>) = 0 [pid 6461] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6460] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 222 [pid 6461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6460] <... futex resumed>) = 0 [pid 6469] <... ioctl resumed>) = 0 [pid 6461] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6460] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6469] close(3) = 0 [pid 6469] mkdir("./file0", 0777) = 0 [pid 6467] mkdir("./file0", 0777 [pid 6470] <... set_robust_list resumed>) = 0 [pid 6469] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6470] chdir("./110" [pid 6467] <... mkdir resumed>) = 0 [pid 6467] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6470] <... chdir resumed>) = 0 [pid 6470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6461] <... mkdirat resumed>) = 0 [pid 6470] <... prctl resumed>) = 0 [pid 6461] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] setpgid(0, 0 [pid 6461] <... futex resumed>) = 1 [pid 6460] <... futex resumed>) = 0 [pid 6470] <... setpgid resumed>) = 0 [ 183.835522][ T6468] loop2: detected capacity change from 0 to 4096 [ 183.844060][ T6466] loop4: detected capacity change from 0 to 4096 [ 183.858402][ T6467] loop3: detected capacity change from 0 to 4096 [ 183.865826][ T6469] loop0: detected capacity change from 0 to 4096 [pid 6461] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6460] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] symlink("/syzcgroup/unified/syz5", "./cgroup") = 0 [pid 6470] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 6461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6460] <... futex resumed>) = 0 [pid 6470] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6461] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6460] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6470] <... symlink resumed>) = 0 [pid 6470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6470] write(3, "1000", 4) = 4 [pid 6470] close(3) = 0 [pid 6470] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6470] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6470] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6470] 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 6467] <... mount resumed>) = 0 ./strace-static-x86_64: Process 6471 attached [pid 6467] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6461] <... symlinkat resumed>) = 0 [pid 6471] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6470] <... clone resumed>, parent_tid=[223], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 223 [pid 6467] <... openat resumed>) = 3 [pid 6461] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6471] <... set_robust_list resumed>) = 0 [pid 6470] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6467] chdir("./file0" [pid 6461] <... futex resumed>) = 1 [pid 6460] <... futex resumed>) = 0 [pid 6471] memfd_create("syzkaller", 0 [pid 6470] <... futex resumed>) = 0 [pid 6467] <... chdir resumed>) = 0 [pid 6461] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6460] close(3 [pid 6471] <... memfd_create resumed>) = 3 [pid 6470] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6467] ioctl(4, LOOP_CLR_FD [pid 6460] <... close resumed>) = 0 [pid 6471] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6467] <... ioctl resumed>) = 0 [pid 6460] close(4 [pid 6471] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6467] close(4 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6471] 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 6469] <... mount resumed>) = 0 [pid 6468] <... mount resumed>) = 0 [pid 6467] <... close resumed>) = 0 [pid 6466] <... mount resumed>) = 0 [pid 6460] close(5 [pid 6469] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6468] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6467] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6466] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6469] <... openat resumed>) = 3 [pid 6468] <... openat resumed>) = 3 [pid 6467] <... futex resumed>) = 1 [pid 6466] <... openat resumed>) = 3 [pid 6464] <... futex resumed>) = 0 [pid 6460] close(6 [pid 6469] chdir("./file0" [pid 6468] chdir("./file0" [pid 6467] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6466] chdir("./file0" [pid 6464] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6469] <... chdir resumed>) = 0 [pid 6468] <... chdir resumed>) = 0 [pid 6466] <... chdir resumed>) = 0 [pid 6460] close(7 [pid 6469] ioctl(4, LOOP_CLR_FD [pid 6468] ioctl(4, LOOP_CLR_FD [pid 6467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6466] ioctl(4, LOOP_CLR_FD [pid 6464] <... futex resumed>) = 0 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6469] <... ioctl resumed>) = 0 [pid 6468] <... ioctl resumed>) = 0 [pid 6467] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6466] <... ioctl resumed>) = 0 [pid 6464] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6460] close(8 [pid 6469] close(4 [pid 6468] close(4 [pid 6466] close(4 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6469] <... close resumed>) = 0 [pid 6468] <... close resumed>) = 0 [pid 6466] <... close resumed>) = 0 [pid 6460] close(9 [pid 6469] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6468] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6466] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6469] <... futex resumed>) = 1 [pid 6468] <... futex resumed>) = 1 [pid 6467] <... mkdirat resumed>) = 0 [pid 6466] <... futex resumed>) = 1 [pid 6465] <... futex resumed>) = 0 [pid 6463] <... futex resumed>) = 0 [pid 6462] <... futex resumed>) = 0 [pid 6460] close(10 [pid 6469] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6468] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6467] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6466] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6465] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6467] <... futex resumed>) = 1 [pid 6466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6465] <... futex resumed>) = 0 [pid 6464] <... futex resumed>) = 0 [pid 6463] <... futex resumed>) = 0 [pid 6462] <... futex resumed>) = 0 [pid 6460] close(11 [pid 6469] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6468] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6467] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6466] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6465] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6464] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6462] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6469] <... mkdirat resumed>) = 0 [pid 6468] <... mkdirat resumed>) = 0 [pid 6467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6466] <... mkdirat resumed>) = 0 [pid 6464] <... futex resumed>) = 0 [pid 6460] close(12 [pid 6469] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6468] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6467] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6466] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6471] <... write resumed>) = 2097152 [pid 6469] <... futex resumed>) = 1 [pid 6468] <... futex resumed>) = 1 [pid 6466] <... futex resumed>) = 1 [pid 6465] <... futex resumed>) = 0 [pid 6464] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6463] <... futex resumed>) = 0 [pid 6460] close(13 [pid 6469] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6468] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6466] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6465] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6465] <... futex resumed>) = 0 [pid 6463] <... futex resumed>) = 0 [pid 6462] <... futex resumed>) = 0 [pid 6460] close(14 [pid 6469] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6468] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6465] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6463] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6469] <... symlinkat resumed>) = 0 [pid 6468] <... symlinkat resumed>) = 0 [pid 6467] <... symlinkat resumed>) = 0 [pid 6462] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] close(15 [pid 6469] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6468] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6469] <... futex resumed>) = 1 [pid 6468] <... futex resumed>) = 1 [pid 6465] <... futex resumed>) = 0 [pid 6463] <... futex resumed>) = 0 [pid 6460] close(16 [pid 6469] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6468] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6465] close(3 [pid 6463] close(3 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6465] <... close resumed>) = 0 [pid 6463] <... close resumed>) = 0 [pid 6460] close(17 [pid 6465] close(4 [pid 6463] close(4 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6460] close(18 [pid 6465] close(5 [pid 6463] close(5 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6467] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6466] <... futex resumed>) = 0 [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] <... futex resumed>) = 1 [pid 6460] close(19 [pid 6466] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6465] close(6 [pid 6463] close(6 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6467] <... futex resumed>) = 1 [pid 6466] <... symlinkat resumed>) = 0 [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... futex resumed>) = 0 [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6460] close(20 [pid 6467] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6466] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6465] close(7 [pid 6463] close(7 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6466] <... futex resumed>) = 0 [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6460] close(21 [pid 6466] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6465] close(8 [pid 6464] close(3 [pid 6463] close(8 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6471] munmap(0x7f7a51cd9000, 2097152 [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = 0 [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6460] close(22 [pid 6465] close(9 [pid 6464] close(4 [pid 6463] close(9 [pid 6462] close(3 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] <... close resumed>) = 0 [pid 6460] close(23 [pid 6465] close(10 [pid 6464] close(5 [pid 6463] close(10 [pid 6462] close(4 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6460] close(24 [pid 6465] close(11 [pid 6464] close(6 [pid 6463] close(11 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] close(5 [pid 6460] close(25 [pid 6465] close(12 [pid 6464] close(7 [pid 6463] close(12 [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6471] <... munmap resumed>) = 0 [pid 6471] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] close(6 [pid 6460] close(26 [pid 6471] <... openat resumed>) = 4 [pid 6465] close(13 [pid 6464] close(8 [pid 6463] close(13 [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6471] ioctl(4, LOOP_SET_FD, 3 [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] close(7 [pid 6460] close(27 [pid 6464] close(9 [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] close(8 [pid 6464] close(10 [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6471] <... ioctl resumed>) = 0 [pid 6465] close(14 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] close(14 [pid 6462] close(9 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6471] close(3 [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] close(11 [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6460] close(28 [pid 6471] <... close resumed>) = 0 [pid 6465] close(15 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] close(15 [pid 6462] close(10 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6471] mkdir("./file0", 0777 [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] close(12 [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6460] close(29 [pid 6471] <... mkdir resumed>) = 0 [pid 6465] close(16 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] close(16 [pid 6462] close(11 [pid 6460] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6471] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] close(13 [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6460] exit_group(0 [pid 6465] close(17 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] close(17 [pid 6462] close(12 [pid 6461] <... futex resumed>) = ? [pid 6460] <... exit_group resumed>) = ? [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] close(14 [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] close(13 [pid 6465] close(18 [pid 6464] close(15 [pid 6463] close(18 [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6461] +++ exited with 0 +++ [pid 6460] +++ exited with 0 +++ [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] close(14 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6465] close(19 [pid 6464] close(16 [pid 6463] close(19 [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] close(15 [pid 5078] <... restart_syscall resumed>) = 0 [pid 6465] close(20 [pid 6464] close(17 [pid 6463] close(20 [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] close(16 [pid 6465] close(21 [pid 6464] close(18 [pid 6463] close(21 [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] close(17 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6465] close(22 [pid 6464] close(19 [pid 6463] close(22 [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] close(18 [pid 5078] <... openat resumed>) = 3 [pid 6465] close(23 [pid 6464] close(20 [pid 6463] close(23 [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] fstat(3, [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] close(19 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6465] close(24 [pid 6464] close(21 [pid 6463] close(24 [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(3, [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] close(20 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6465] close(25 [pid 6464] close(22 [pid 6463] close(25 [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] close(21 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6464] close(23 [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./112/binderfs", [pid 6465] close(26 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] close(26 [pid 6462] close(22 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6471] <... mount resumed>) = 0 [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] close(24 [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 184.146775][ T6471] loop5: detected capacity change from 0 to 4096 [pid 5078] unlink("./112/binderfs" [pid 6471] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6465] close(27 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] close(27 [pid 6462] close(23 [pid 6471] <... openat resumed>) = 3 [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] close(25 [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 6471] chdir("./file0" [pid 6465] close(28 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] close(28 [pid 6462] close(24 [pid 5078] umount2("./112/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6471] <... chdir resumed>) = 0 [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] close(26 [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6465] close(29 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] close(29 [pid 6462] close(25 [pid 5078] lstat("./112/cgroup", [pid 6465] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6464] close(27 [pid 6463] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6465] exit_group(0 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6463] exit_group(0 [pid 6462] close(26 [pid 6471] ioctl(4, LOOP_CLR_FD [pid 5078] unlink("./112/cgroup" [pid 6469] <... futex resumed>) = ? [pid 6468] <... futex resumed>) = ? [pid 6465] <... exit_group resumed>) = ? [pid 6464] close(28 [pid 6463] <... exit_group resumed>) = ? [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 6471] <... ioctl resumed>) = 0 [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] close(27 [pid 5078] umount2("./112/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6464] close(29 [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6464] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6462] close(28 [pid 5078] lstat("./112/cgroup.net", [pid 6464] exit_group(0 [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6467] <... futex resumed>) = ? [pid 6464] <... exit_group resumed>) = ? [pid 6462] close(29 [pid 5078] unlink("./112/cgroup.net" [pid 6471] close(4 [pid 6469] +++ exited with 0 +++ [pid 6468] +++ exited with 0 +++ [pid 6467] +++ exited with 0 +++ [pid 6465] +++ exited with 0 +++ [pid 6464] +++ exited with 0 +++ [pid 6463] +++ exited with 0 +++ [pid 6462] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 6462] exit_group(0 [pid 5078] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6462] <... exit_group resumed>) = ? [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5079] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5079] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./114/binderfs") = 0 [pid 6471] <... close resumed>) = 0 [pid 6466] <... futex resumed>) = ? [pid 5079] umount2("./114/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6471] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6466] +++ exited with 0 +++ [pid 6462] +++ exited with 0 +++ [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6471] <... futex resumed>) = 1 [pid 6470] <... futex resumed>) = 0 [pid 5079] lstat("./114/cgroup", [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 5074] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6471] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6470] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6470] <... futex resumed>) = 0 [pid 5079] unlink("./114/cgroup" [pid 6470] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... unlink resumed>) = 0 [pid 5079] umount2("./114/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./114/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./114/cgroup.net") = 0 [pid 5079] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5075] <... restart_syscall resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6471] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5076] <... restart_syscall resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5075] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] fstat(3, [pid 5076] umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6471] <... mkdirat resumed>) = 0 [pid 5076] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] getdents64(3, [pid 6471] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... openat resumed>) = 3 [pid 5078] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6471] <... futex resumed>) = 1 [pid 6470] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5075] fstat(3, [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6471] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] fstat(3, [pid 6471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6470] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6471] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6470] <... futex resumed>) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] getdents64(3, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6470] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] lstat("./112/file0", [pid 5076] getdents64(3, [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] lstat("./107/binderfs", [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] unlink("./107/binderfs" [pid 6471] <... symlinkat resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./108/binderfs", [pid 6471] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] openat(AT_FDCWD, "./112/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] lstat("./106/binderfs", [pid 5074] <... unlink resumed>) = 0 [pid 6471] <... futex resumed>) = 1 [pid 6470] <... futex resumed>) = 0 [pid 5078] <... openat resumed>) = 4 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6471] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6470] close(3 [pid 5078] fstat(4, [pid 5074] umount2("./107/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] getdents64(4, [pid 5079] lstat("./114/file0", [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(4, [pid 5079] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] close(4 [pid 5079] openat(AT_FDCWD, "./114/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... close resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 6470] <... close resumed>) = 0 [pid 5078] rmdir("./112/file0" [pid 5076] unlink("./106/binderfs" [pid 5075] unlink("./108/binderfs" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6470] close(4 [pid 5079] fstat(4, [pid 5078] <... rmdir resumed>) = 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./112/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] lstat("./107/cgroup", [pid 6470] close(5 [pid 5079] getdents64(4, [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./106/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./108/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] lstat("./112/cgroup.cpu", [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6470] close(6 [pid 5079] getdents64(4, [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] lstat("./106/cgroup", [pid 5075] lstat("./108/cgroup", [pid 5074] unlink("./107/cgroup" [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] unlink("./112/cgroup.cpu" [pid 5076] <... 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 5074] <... unlink resumed>) = 0 [pid 6470] close(7 [pid 5076] unlink("./106/cgroup" [pid 5075] unlink("./108/cgroup" [pid 5074] umount2("./107/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(4 [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6470] close(8 [pid 5079] <... close resumed>) = 0 [pid 5078] getdents64(3, [pid 5076] umount2("./106/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./108/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./107/cgroup.net", [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./114/file0" [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6470] close(9 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] close(3 [pid 5076] lstat("./106/cgroup.net", [pid 5075] lstat("./108/cgroup.net", [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./114/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... close resumed>) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6470] close(10 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] rmdir("./112" [pid 5076] unlink("./106/cgroup.net" [pid 5075] unlink("./108/cgroup.net" [pid 5074] unlink("./107/cgroup.net" [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./114/cgroup.cpu", [pid 5078] <... rmdir resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 6470] close(11 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] mkdir("./113", 0777 [pid 5076] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./114/cgroup.cpu" [pid 5078] <... mkdir resumed>) = 0 [pid 6470] close(12 [pid 5079] <... unlink resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5075] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(3, [pid 5078] <... openat resumed>) = 3 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6470] close(13 [pid 5079] close(3 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 5078] close(3 [pid 6470] close(14 [pid 5079] rmdir("./114" [pid 5078] <... close resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6472 attached [pid 5079] mkdir("./115", 0777 [pid 6472] set_robust_list(0x5555562845e0, 24 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... mkdir resumed>) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 228 [pid 6472] <... set_robust_list resumed>) = 0 [pid 6470] close(15 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6472] chdir("./113" [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 6472] <... chdir resumed>) = 0 [pid 6470] close(16 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6472] <... prctl resumed>) = 0 [pid 6470] close(17 [pid 5079] close(3 [pid 6472] setpgid(0, 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 6472] <... setpgid resumed>) = 0 [pid 6470] close(18 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6473 attached [pid 6472] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] set_robust_list(0x5555562845e0, 24 [pid 6472] <... symlink resumed>) = 0 [pid 6470] close(19 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 232 [pid 6473] <... set_robust_list resumed>) = 0 [pid 6472] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] chdir("./115" [pid 6472] <... symlink resumed>) = 0 [pid 6473] <... chdir resumed>) = 0 [pid 6472] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6470] close(20 [pid 6473] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6472] <... symlink resumed>) = 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] <... prctl resumed>) = 0 [pid 6472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6470] close(21 [pid 6473] setpgid(0, 0 [pid 6472] <... openat resumed>) = 3 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = 0 [pid 6473] <... setpgid resumed>) = 0 [pid 6472] write(3, "1000", 4 [pid 6470] close(22 [pid 6473] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6472] <... write resumed>) = 4 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] <... symlink resumed>) = 0 [pid 6472] close(3 [pid 6470] close(23 [pid 6473] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6472] <... close resumed>) = 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = 0 [pid 6473] <... symlink resumed>) = 0 [pid 6472] symlink("/dev/binderfs", "./binderfs" [pid 6470] close(24 [pid 5075] <... umount2 resumed>) = 0 [pid 6473] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6472] <... symlink resumed>) = 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6473] <... symlink resumed>) = 0 [pid 6472] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] close(25 [pid 5075] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6472] <... futex resumed>) = 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6473] <... openat resumed>) = 3 [pid 6472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6470] close(26 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6473] write(3, "1000", 4 [pid 6472] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] lstat("./106/file0", [pid 5074] lstat("./107/file0", [pid 6473] <... write resumed>) = 4 [pid 6472] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6470] close(27 [pid 5075] lstat("./108/file0", [pid 6473] close(3 [pid 6472] <... mprotect resumed>) = 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [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 6473] <... close resumed>) = 0 [pid 6472] 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] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6474 attached [pid 6473] symlink("/dev/binderfs", "./binderfs" [pid 6470] close(28 [pid 5075] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6474] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6473] <... symlink resumed>) = 0 [pid 6472] <... clone resumed>, parent_tid=[229], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 229 [pid 5076] umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6474] <... set_robust_list resumed>) = 0 [pid 6473] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6472] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6474] memfd_create("syzkaller", 0 [pid 6473] <... futex resumed>) = 0 [pid 6472] <... futex resumed>) = 0 [pid 6474] <... memfd_create resumed>) = 3 [pid 6473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6472] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6474] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6473] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6474] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6473] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6470] close(29 [pid 5076] openat(AT_FDCWD, "./106/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] openat(AT_FDCWD, "./108/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] openat(AT_FDCWD, "./107/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6473] <... mprotect resumed>) = 0 [pid 6470] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... openat resumed>) = 4 [pid 6473] 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 6470] exit_group(0 [pid 5075] <... openat resumed>) = 4 [pid 5074] <... openat resumed>) = 4 [pid 5076] fstat(4, ./strace-static-x86_64: Process 6475 attached [pid 6471] <... futex resumed>) = ? [pid 6470] <... exit_group resumed>) = ? [pid 6475] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6473] <... clone resumed>, parent_tid=[233], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 233 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] fstat(4, [pid 5074] fstat(4, [pid 6475] <... set_robust_list resumed>) = 0 [pid 6473] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6475] memfd_create("syzkaller", 0 [pid 6473] <... futex resumed>) = 0 [pid 6475] <... memfd_create resumed>) = 3 [pid 6473] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6471] +++ exited with 0 +++ [pid 6470] +++ exited with 0 +++ [pid 5076] getdents64(4, [pid 5075] <... 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 6475] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 6475] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5077] restart_syscall(<... resuming interrupted clone ...> [pid 6474] 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 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] getdents64(4, [pid 5074] getdents64(4, [pid 6475] 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] <... restart_syscall resumed>) = 0 [pid 5076] getdents64(4, [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5077] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] getdents64(4, [pid 5074] getdents64(4, [pid 5077] getdents64(3, [pid 5076] close(4 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5077] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... close resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] rmdir("./106/file0" [pid 5075] close(4 [pid 5074] close(4 [pid 5077] lstat("./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] unlink("./110/binderfs" [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5075] rmdir("./108/file0" [pid 5076] umount2("./106/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] rmdir("./107/file0" [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... rmdir resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5077] umount2("./110/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] lstat("./106/cgroup.cpu", [pid 5075] umount2("./108/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./107/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] lstat("./110/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] unlink("./110/cgroup" [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... unlink resumed>) = 0 [pid 5076] unlink("./106/cgroup.cpu" [pid 5075] lstat("./108/cgroup.cpu", [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] umount2("./110/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5076] <... unlink resumed>) = 0 [pid 5074] lstat("./107/cgroup.cpu", [pid 5077] lstat("./110/cgroup.net", [pid 5076] getdents64(3, [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] unlink("./110/cgroup.net" [pid 5076] close(3 [pid 5075] unlink("./108/cgroup.cpu" [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5074] unlink("./107/cgroup.cpu" [pid 5077] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] rmdir("./106" [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] getdents64(3, [pid 5074] getdents64(3, [pid 5076] mkdir("./107", 0777 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] <... mkdir resumed>) = 0 [pid 5075] close(3 [pid 5074] close(3 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5075] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5075] rmdir("./108" [pid 5074] rmdir("./107" [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5075] <... rmdir resumed>) = 0 [pid 6474] <... write resumed>) = 2097152 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] mkdir("./109", 0777 [pid 5074] <... rmdir resumed>) = 0 [pid 5076] close(3 [pid 5075] <... mkdir resumed>) = 0 [pid 5074] mkdir("./108", 0777 [pid 5076] <... close resumed>) = 0 [pid 6474] munmap(0x7f7a51cd9000, 2097152 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5074] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6476 attached [pid 6475] <... write resumed>) = 2097152 [pid 6474] <... munmap resumed>) = 0 [pid 5077] <... umount2 resumed>) = 0 [pid 5075] <... openat resumed>) = 3 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 216 [pid 6476] set_robust_list(0x5555562845e0, 24 [pid 6475] munmap(0x7f7a51cd9000, 2097152 [pid 6474] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5075] ioctl(3, LOOP_CLR_FD [pid 5074] <... openat resumed>) = 3 [pid 5077] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6474] <... openat resumed>) = 4 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] close(3 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6476] <... set_robust_list resumed>) = 0 [pid 6474] ioctl(4, LOOP_SET_FD, 3 [pid 5077] lstat("./110/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... close resumed>) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5077] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6476] chdir("./107" [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] close(3 [pid 5077] openat(AT_FDCWD, "./110/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 [pid 5077] close(4) = 0 [pid 5077] rmdir("./110/file0") = 0 [pid 5077] umount2("./110/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./110/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] unlink("./110/cgroup.cpu"./strace-static-x86_64: Process 6477 attached ) = 0 [pid 5074] <... close resumed>) = 0 [pid 6477] set_robust_list(0x5555562845e0, 24 [pid 6476] <... chdir resumed>) = 0 [pid 5077] getdents64(3, [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 220 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6478 attached [pid 6477] <... set_robust_list resumed>) = 0 [pid 6476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6475] <... munmap resumed>) = 0 [pid 6474] <... ioctl resumed>) = 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6478] set_robust_list(0x5555562845e0, 24 [pid 6477] chdir("./109" [pid 6476] <... prctl resumed>) = 0 [pid 6475] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6474] close(3 [pid 5077] close(3 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 218 [pid 6478] <... set_robust_list resumed>) = 0 [pid 6477] <... chdir resumed>) = 0 [pid 6476] setpgid(0, 0 [pid 6475] <... openat resumed>) = 4 [pid 6474] <... close resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 6478] chdir("./108" [pid 6477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6476] <... setpgid resumed>) = 0 [pid 6475] ioctl(4, LOOP_SET_FD, 3 [pid 6474] mkdir("./file0", 0777 [pid 5077] rmdir("./110" [pid 6478] <... chdir resumed>) = 0 [pid 6477] <... prctl resumed>) = 0 [pid 6476] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6474] <... mkdir resumed>) = 0 [pid 6478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6477] setpgid(0, 0 [pid 6476] <... symlink resumed>) = 0 [pid 6474] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5077] <... rmdir resumed>) = 0 [pid 6478] <... prctl resumed>) = 0 [pid 6477] <... setpgid resumed>) = 0 [pid 6476] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6475] <... ioctl resumed>) = 0 [pid 5077] mkdir("./111", 0777 [pid 6478] setpgid(0, 0 [pid 6477] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5077] <... mkdir resumed>) = 0 [pid 6478] <... setpgid resumed>) = 0 [pid 6477] <... symlink resumed>) = 0 [pid 6476] <... symlink resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6478] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6477] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6476] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5077] <... openat resumed>) = 3 [pid 6478] <... symlink resumed>) = 0 [pid 6477] <... symlink resumed>) = 0 [pid 5077] ioctl(3, LOOP_CLR_FD [pid 6478] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6477] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6476] <... symlink resumed>) = 0 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6478] <... symlink resumed>) = 0 [pid 6477] <... symlink resumed>) = 0 [pid 6476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 184.602298][ T6474] loop1: detected capacity change from 0 to 4096 [ 184.636153][ T6475] loop2: detected capacity change from 0 to 4096 [pid 5077] close(3 [pid 6478] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6476] <... openat resumed>) = 3 [pid 6475] close(3 [pid 5077] <... close resumed>) = 0 [pid 6478] <... symlink resumed>) = 0 [pid 6477] <... openat resumed>) = 3 [pid 6476] write(3, "1000", 4 [pid 6475] <... close resumed>) = 0 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6479 attached [pid 6478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6477] write(3, "1000", 4 [pid 6476] <... write resumed>) = 4 [pid 6475] mkdir("./file0", 0777 [pid 6474] <... mount resumed>) = 0 [pid 6478] <... openat resumed>) = 3 [pid 6477] <... write resumed>) = 4 [pid 6476] close(3 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 224 [pid 6479] set_robust_list(0x5555562845e0, 24 [pid 6478] write(3, "1000", 4 [pid 6477] close(3 [pid 6478] <... write resumed>) = 4 [pid 6477] <... close resumed>) = 0 [pid 6476] <... close resumed>) = 0 [pid 6475] <... mkdir resumed>) = 0 [pid 6479] <... set_robust_list resumed>) = 0 [pid 6478] close(3 [pid 6477] symlink("/dev/binderfs", "./binderfs" [pid 6476] symlink("/dev/binderfs", "./binderfs" [pid 6475] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6474] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6479] chdir("./111" [pid 6478] <... close resumed>) = 0 [pid 6477] <... symlink resumed>) = 0 [pid 6478] symlink("/dev/binderfs", "./binderfs" [pid 6477] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] <... symlink resumed>) = 0 [pid 6479] <... chdir resumed>) = 0 [pid 6478] <... symlink resumed>) = 0 [pid 6477] <... futex resumed>) = 0 [pid 6476] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6478] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6474] <... openat resumed>) = 3 [pid 6479] <... prctl resumed>) = 0 [pid 6478] <... futex resumed>) = 0 [pid 6477] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6476] <... futex resumed>) = 0 [pid 6474] chdir("./file0" [pid 6479] setpgid(0, 0 [pid 6478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6477] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6479] <... setpgid resumed>) = 0 [pid 6478] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6477] <... mprotect resumed>) = 0 [pid 6474] <... chdir resumed>) = 0 [pid 6479] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6478] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6477] 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 6476] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6474] ioctl(4, LOOP_CLR_FD./strace-static-x86_64: Process 6480 attached [pid 6479] <... symlink resumed>) = 0 [pid 6478] <... mprotect resumed>) = 0 [pid 6476] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6474] <... ioctl resumed>) = 0 [pid 6480] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6479] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6478] 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 6477] <... clone resumed>, parent_tid=[221], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 221 ./strace-static-x86_64: Process 6481 attached [pid 6480] <... set_robust_list resumed>) = 0 [pid 6479] <... symlink resumed>) = 0 [pid 6477] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] <... mprotect resumed>) = 0 [pid 6474] close(4 [pid 6481] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6480] memfd_create("syzkaller", 0 [pid 6479] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6478] <... clone resumed>, parent_tid=[219], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 219 [pid 6477] <... futex resumed>) = 0 [pid 6481] <... set_robust_list resumed>) = 0 [pid 6480] <... memfd_create resumed>) = 3 [pid 6479] <... symlink resumed>) = 0 [pid 6478] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6476] 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 6474] <... close resumed>) = 0 [pid 6481] memfd_create("syzkaller", 0 [pid 6480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6478] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6482 attached [pid 6481] <... memfd_create resumed>) = 3 [pid 6480] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6479] <... openat resumed>) = 3 [pid 6478] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6474] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6482] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6481] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6479] write(3, "1000", 4 [pid 6476] <... clone resumed>, parent_tid=[217], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 217 [pid 6474] <... futex resumed>) = 1 [pid 6482] <... set_robust_list resumed>) = 0 [pid 6481] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6479] <... write resumed>) = 4 [pid 6476] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6474] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6472] <... futex resumed>) = 0 [pid 6482] memfd_create("syzkaller", 0 [pid 6479] close(3 [pid 6476] <... futex resumed>) = 0 [pid 6482] <... memfd_create resumed>) = 3 [pid 6479] <... close resumed>) = 0 [pid 6476] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6482] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6479] symlink("/dev/binderfs", "./binderfs" [pid 6472] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6482] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6479] <... symlink resumed>) = 0 [pid 6474] <... futex resumed>) = 0 [pid 6472] <... futex resumed>) = 1 [pid 6479] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6474] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6472] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6479] <... futex resumed>) = 0 [pid 6474] <... mkdirat resumed>) = 0 [pid 6479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6474] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6475] <... mount resumed>) = 0 [pid 6474] <... futex resumed>) = 1 [pid 6472] <... futex resumed>) = 0 [pid 6479] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6475] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6474] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6472] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] <... mprotect resumed>) = 0 [pid 6475] <... openat resumed>) = 3 [pid 6474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6472] <... futex resumed>) = 0 [pid 6479] 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 6475] chdir("./file0" [pid 6474] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6472] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6483 attached [pid 6475] <... chdir resumed>) = 0 [pid 6483] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6479] <... clone resumed>, parent_tid=[225], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 225 [pid 6475] ioctl(4, LOOP_CLR_FD [pid 6483] <... set_robust_list resumed>) = 0 [pid 6479] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6475] <... ioctl resumed>) = 0 [pid 6483] memfd_create("syzkaller", 0 [pid 6479] <... futex resumed>) = 0 [pid 6475] close(4 [pid 6483] <... memfd_create resumed>) = 3 [pid 6480] 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 6479] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6475] <... close resumed>) = 0 [pid 6483] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 6475] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6473] <... futex resumed>) = 0 [pid 6474] <... symlinkat resumed>) = 0 [pid 6482] 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 6481] 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 6475] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6474] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6473] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6474] <... futex resumed>) = 1 [pid 6473] <... futex resumed>) = 0 [pid 6472] <... futex resumed>) = 0 [pid 6475] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6474] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6473] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6472] close(3) = 0 [pid 6472] close(4) = -1 EBADF (Bad file descriptor) [pid 6472] close(5 [pid 6475] <... mkdirat resumed>) = 0 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6475] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6472] close(6 [pid 6475] <... futex resumed>) = 1 [pid 6473] <... futex resumed>) = 0 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6475] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6473] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6472] close(7 [pid 6475] <... symlinkat resumed>) = 0 [pid 6473] <... futex resumed>) = 0 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6475] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6473] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6472] close(8 [pid 6475] <... futex resumed>) = 0 [pid 6473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6475] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6473] close(3 [pid 6472] close(9 [pid 6473] <... close resumed>) = 0 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] close(4 [pid 6472] close(10 [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] close(5 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6472] close(11 [pid 6473] close(6 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6472] close(12 [pid 6473] close(7 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6472] close(13 [pid 6473] close(8 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6472] close(14 [pid 6473] close(9 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6472] close(15 [pid 6473] close(10 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6472] close(16 [pid 6483] 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 6481] <... write resumed>) = 2097152 [pid 6480] <... write resumed>) = 2097152 [pid 6473] close(11 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6480] munmap(0x7f7a51cd9000, 2097152 [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6472] close(17 [pid 6481] munmap(0x7f7a51cd9000, 2097152 [pid 6480] <... munmap resumed>) = 0 [pid 6473] close(12 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] close(13 [pid 6472] close(18 [pid 6480] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6480] <... openat resumed>) = 4 [pid 6473] close(14 [pid 6472] close(19 [pid 6481] <... munmap resumed>) = 0 [pid 6480] ioctl(4, LOOP_SET_FD, 3 [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] close(15 [pid 6472] close(20 [pid 6482] <... write resumed>) = 2097152 [pid 6481] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6481] <... openat resumed>) = 4 [pid 6473] close(16 [pid 6472] close(21 [pid 6481] ioctl(4, LOOP_SET_FD, 3 [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] close(17 [pid 6472] close(22 [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6480] <... ioctl resumed>) = 0 [pid 6473] close(18 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6480] close(3 [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6472] close(23 [pid 6480] <... close resumed>) = 0 [pid 6473] close(19 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6483] <... write resumed>) = 2097152 [pid 6482] munmap(0x7f7a51cd9000, 2097152 [pid 6481] <... ioctl resumed>) = 0 [pid 6480] mkdir("./file0", 0777 [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6472] close(24 [pid 6483] munmap(0x7f7a51cd9000, 2097152 [pid 6482] <... munmap resumed>) = 0 [pid 6481] close(3 [pid 6480] <... mkdir resumed>) = 0 [pid 6473] close(20 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6483] <... munmap resumed>) = 0 [pid 6482] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6481] <... close resumed>) = 0 [pid 6480] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6472] close(25 [pid 6483] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6482] <... openat resumed>) = 4 [pid 6481] mkdir("./file0", 0777 [pid 6473] close(21 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6482] ioctl(4, LOOP_SET_FD, 3 [pid 6481] <... mkdir resumed>) = 0 [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 184.907192][ T6480] loop3: detected capacity change from 0 to 4096 [ 184.918138][ T6481] loop0: detected capacity change from 0 to 4096 [pid 6472] close(26 [pid 6483] <... openat resumed>) = 4 [pid 6483] ioctl(4, LOOP_SET_FD, 3 [pid 6482] <... ioctl resumed>) = 0 [pid 6481] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6473] close(22 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6482] close(3 [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6472] close(27 [pid 6482] <... close resumed>) = 0 [pid 6473] close(23 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6482] mkdir("./file0", 0777 [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6472] close(28 [pid 6482] <... mkdir resumed>) = 0 [pid 6473] close(24 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6482] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6472] close(29 [pid 6473] close(25 [pid 6472] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6472] exit_group(0 [pid 6473] close(26 [pid 6472] <... exit_group resumed>) = ? [pid 6473] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6473] close(27) = -1 EBADF (Bad file descriptor) [pid 6473] close(28) = -1 EBADF (Bad file descriptor) [pid 6473] close(29) = -1 EBADF (Bad file descriptor) [pid 6473] exit_group(0 [pid 6475] <... futex resumed>) = ? [pid 6473] <... exit_group resumed>) = ? [pid 6475] +++ exited with 0 +++ [pid 6473] +++ exited with 0 +++ [pid 6483] <... ioctl resumed>) = 0 [pid 6483] close(3) = 0 [pid 6483] mkdir("./file0", 0777) = 0 [pid 6474] <... futex resumed>) = ? [pid 6483] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6474] +++ exited with 0 +++ [pid 6472] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5079] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5078] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] fstat(3, [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] getdents64(3, [pid 5078] <... openat resumed>) = 3 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] fstat(3, [pid 5079] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6481] <... mount resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] getdents64(3, [pid 6481] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 184.959676][ T6482] loop4: detected capacity change from 0 to 4096 [ 184.963568][ T6483] loop5: detected capacity change from 0 to 4096 [pid 5079] lstat("./115/binderfs", [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6481] <... openat resumed>) = 3 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6481] chdir("./file0" [pid 5079] unlink("./115/binderfs" [pid 5078] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6481] <... chdir resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6481] ioctl(4, LOOP_CLR_FD [pid 5079] umount2("./115/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] lstat("./113/binderfs", [pid 6481] <... ioctl resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6481] close(4 [pid 6480] <... mount resumed>) = 0 [pid 5079] lstat("./115/cgroup", [pid 5078] unlink("./113/binderfs" [pid 6481] <... close resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6481] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] unlink("./115/cgroup" [pid 5078] umount2("./113/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6481] <... futex resumed>) = 1 [pid 6478] <... futex resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6481] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6478] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./115/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] lstat("./113/cgroup", [pid 6481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6478] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6481] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6478] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] lstat("./115/cgroup.net", [pid 5078] unlink("./113/cgroup" [pid 6483] <... mount resumed>) = 0 [pid 6482] <... mount resumed>) = 0 [pid 6481] <... mkdirat resumed>) = 0 [pid 6480] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6483] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6482] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6481] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6480] <... openat resumed>) = 3 [pid 5079] unlink("./115/cgroup.net" [pid 5078] umount2("./113/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6483] <... openat resumed>) = 3 [pid 6482] <... openat resumed>) = 3 [pid 6481] <... futex resumed>) = 1 [pid 6480] chdir("./file0" [pid 6478] <... futex resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6483] chdir("./file0" [pid 6482] chdir("./file0" [pid 6481] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6480] <... chdir resumed>) = 0 [pid 6478] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] lstat("./113/cgroup.net", [pid 6483] <... chdir resumed>) = 0 [pid 6482] <... chdir resumed>) = 0 [pid 6481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6480] ioctl(4, LOOP_CLR_FD [pid 6478] <... futex resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6483] ioctl(4, LOOP_CLR_FD [pid 6482] ioctl(4, LOOP_CLR_FD [pid 6481] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6480] <... ioctl resumed>) = 0 [pid 6478] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] unlink("./113/cgroup.net" [pid 6483] <... ioctl resumed>) = 0 [pid 6482] <... ioctl resumed>) = 0 [pid 6481] <... symlinkat resumed>) = 0 [pid 6480] close(4 [pid 5078] <... unlink resumed>) = 0 [pid 6483] close(4 [pid 6482] close(4 [pid 6481] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6480] <... close resumed>) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5078] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6483] <... close resumed>) = 0 [pid 6481] <... futex resumed>) = 1 [pid 6480] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6478] <... futex resumed>) = 0 [pid 5079] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6481] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6478] close(3) = 0 [pid 6478] close(4) = -1 EBADF (Bad file descriptor) [pid 6478] close(5) = -1 EBADF (Bad file descriptor) [pid 6478] close(6) = -1 EBADF (Bad file descriptor) [pid 6478] close(7) = -1 EBADF (Bad file descriptor) [pid 6478] close(8 [pid 6482] <... close resumed>) = 0 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6483] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6482] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6480] <... futex resumed>) = 1 [pid 6478] close(9 [pid 6477] <... futex resumed>) = 0 [pid 6483] <... futex resumed>) = 1 [pid 6482] <... futex resumed>) = 1 [pid 6480] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6479] <... futex resumed>) = 0 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] <... futex resumed>) = 0 [pid 5079] lstat("./115/file0", [pid 6483] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6482] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6479] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6478] close(10 [pid 6477] <... futex resumed>) = 0 [pid 6476] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6480] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6479] <... futex resumed>) = 0 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6476] <... futex resumed>) = 0 [pid 5079] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6483] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6482] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6479] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6478] close(11 [pid 6476] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6480] <... mkdirat resumed>) = 0 [pid 6483] <... mkdirat resumed>) = 0 [pid 6480] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] openat(AT_FDCWD, "./115/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... umount2 resumed>) = 0 [pid 6483] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6480] <... futex resumed>) = 1 [pid 6478] close(12 [pid 6477] <... futex resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 6483] <... futex resumed>) = 1 [pid 6480] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6479] <... futex resumed>) = 0 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] fstat(4, [pid 5078] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6483] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6479] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6478] close(13 [pid 6477] <... futex resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6480] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6479] <... futex resumed>) = 0 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] getdents64(4, [pid 5078] lstat("./113/file0", [pid 6483] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6479] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6478] close(14 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(4, [pid 5078] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6478] close(15 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(4 [pid 6482] <... mkdirat resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 6482] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] rmdir("./115/file0" [pid 6483] <... symlinkat resumed>) = 0 [pid 6482] <... futex resumed>) = 1 [pid 6480] <... symlinkat resumed>) = 0 [pid 6478] close(16 [pid 6476] <... futex resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./113/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6483] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6482] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6480] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./115/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... openat resumed>) = 4 [pid 6483] <... futex resumed>) = 1 [pid 6482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6480] <... futex resumed>) = 1 [pid 6479] <... futex resumed>) = 0 [pid 6478] close(17 [pid 6477] <... futex resumed>) = 0 [pid 6476] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] fstat(4, [pid 6483] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6482] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6480] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6479] close(3 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] close(3 [pid 6476] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] lstat("./115/cgroup.cpu", [pid 6482] <... symlinkat resumed>) = 0 [pid 6479] <... close resumed>) = 0 [pid 6478] close(18 [pid 6477] <... close resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6482] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] close(4 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] close(4 [pid 5079] unlink("./115/cgroup.cpu" [pid 5078] getdents64(4, [pid 6482] <... futex resumed>) = 1 [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6478] close(19 [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... futex resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6482] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6479] close(5 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] close(5 [pid 6476] close(3 [pid 5079] getdents64(3, [pid 5078] getdents64(4, [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6478] close(20 [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6479] close(6 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] close(6 [pid 6476] close(4 [pid 5079] close(3 [pid 5078] close(4 [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6478] close(21 [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 6479] close(7 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] close(7 [pid 6476] close(5 [pid 5079] rmdir("./115" [pid 5078] rmdir("./113/file0" [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6478] close(22 [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... rmdir resumed>) = 0 [pid 6477] close(8 [pid 6476] close(6 [pid 5079] mkdir("./116", 0777 [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... mkdir resumed>) = 0 [pid 6477] close(9 [pid 6476] close(7 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6479] close(8 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 5078] <... rmdir resumed>) = 0 [pid 6477] close(10 [pid 6476] close(8 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6477] close(11 [pid 6476] close(9 [pid 5079] close(3 [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 6477] close(12 [pid 6476] close(10 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6484 attached [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6484] set_robust_list(0x5555562845e0, 24 [pid 6477] close(13 [pid 6476] close(11 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 234 [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6484] <... set_robust_list resumed>) = 0 [pid 6478] close(23 [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./113/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6484] chdir("./116" [pid 6479] close(9 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] close(14 [pid 6476] close(12 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6484] <... chdir resumed>) = 0 [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6478] close(24 [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./113/cgroup.cpu", [pid 6484] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6479] close(10 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] close(15 [pid 6476] close(13 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6484] <... prctl resumed>) = 0 [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6478] close(25 [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./113/cgroup.cpu" [pid 6484] setpgid(0, 0 [pid 6479] close(11 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] close(16 [pid 6476] close(14 [pid 5078] <... unlink resumed>) = 0 [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6478] close(26 [pid 5078] getdents64(3, [pid 6484] <... setpgid resumed>) = 0 [pid 6479] close(12 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6484] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6478] close(27 [pid 6477] close(17 [pid 6476] close(15 [pid 5078] close(3 [pid 6484] <... symlink resumed>) = 0 [pid 6479] close(13 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = 0 [pid 6484] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6478] close(28 [pid 6477] close(18 [pid 6476] close(16 [pid 5078] rmdir("./113" [pid 6484] <... symlink resumed>) = 0 [pid 6479] close(14 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6484] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6478] close(29 [pid 6477] close(19 [pid 6476] close(17 [pid 5078] <... rmdir resumed>) = 0 [pid 6484] <... symlink resumed>) = 0 [pid 6479] close(15 [pid 6478] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] mkdir("./114", 0777 [pid 6484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6478] exit_group(0 [pid 6477] close(20 [pid 6476] close(18 [pid 6484] <... openat resumed>) = 3 [pid 6481] <... futex resumed>) = ? [pid 6479] close(16 [pid 6478] <... exit_group resumed>) = ? [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... mkdir resumed>) = 0 [pid 6484] write(3, "1000", 4 [pid 6481] +++ exited with 0 +++ [pid 6477] close(21 [pid 6476] close(19 [pid 6484] <... write resumed>) = 4 [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6484] close(3 [pid 6477] close(22 [pid 6476] close(20 [pid 6484] <... close resumed>) = 0 [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6484] symlink("/dev/binderfs", "./binderfs" [pid 6478] +++ exited with 0 +++ [pid 6477] close(23 [pid 6476] close(21 [pid 6484] <... symlink resumed>) = 0 [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6484] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] close(17 [pid 6477] close(24 [pid 6476] close(22 [pid 5078] <... openat resumed>) = 3 [pid 6484] <... futex resumed>) = 0 [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 6484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6479] close(18 [pid 6477] close(25 [pid 6476] close(23 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6484] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(3 [pid 6484] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6479] close(19 [pid 6477] close(26 [pid 6476] close(24 [pid 5078] <... close resumed>) = 0 [pid 6484] <... mprotect resumed>) = 0 [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6484] 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 6479] close(20 [pid 6477] close(27 [pid 6476] close(25./strace-static-x86_64: Process 6486 attached ./strace-static-x86_64: Process 6485 attached [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6486] set_robust_list(0x5555562845e0, 24 [pid 6485] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6484] <... clone resumed>, parent_tid=[235], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 235 [pid 6479] close(21 [pid 6477] close(28 [pid 6476] close(26 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 230 [pid 5074] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6486] <... set_robust_list resumed>) = 0 [pid 6485] <... set_robust_list resumed>) = 0 [pid 6484] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... openat resumed>) = 3 [pid 6486] chdir("./114" [pid 6485] memfd_create("syzkaller", 0 [pid 6484] <... futex resumed>) = 0 [pid 6479] close(22 [pid 6477] close(29 [pid 6476] close(27 [pid 5074] fstat(3, [pid 6486] <... chdir resumed>) = 0 [pid 6485] <... memfd_create resumed>) = 3 [pid 6484] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6485] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6479] close(23 [pid 6477] exit_group(0 [pid 6476] close(28 [pid 5074] getdents64(3, [pid 6486] <... prctl resumed>) = 0 [pid 6485] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6480] <... futex resumed>) = ? [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6477] <... exit_group resumed>) = ? [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6486] setpgid(0, 0 [pid 6480] +++ exited with 0 +++ [pid 6479] close(24 [pid 6477] +++ exited with 0 +++ [pid 6476] close(29 [pid 5074] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6486] <... setpgid resumed>) = 0 [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6486] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6479] close(25 [pid 6476] exit_group(0 [pid 5074] lstat("./108/binderfs", [pid 6486] <... symlink resumed>) = 0 [pid 6482] <... futex resumed>) = ? [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6476] <... exit_group resumed>) = ? [pid 6486] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6482] +++ exited with 0 +++ [pid 6479] close(26 [pid 6476] +++ exited with 0 +++ [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6486] <... symlink resumed>) = 0 [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./108/binderfs" [pid 6486] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6479] close(27 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=216, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6486] <... symlink resumed>) = 0 [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5075] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... unlink resumed>) = 0 [pid 6486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6479] close(28 [pid 5076] <... restart_syscall resumed>) = 0 [pid 6486] <... openat resumed>) = 3 [pid 6485] 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 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... openat resumed>) = 3 [pid 5074] umount2("./108/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6486] write(3, "1000", 4 [pid 6479] close(29 [pid 5075] fstat(3, [pid 6486] <... write resumed>) = 4 [pid 6479] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6486] close(3 [pid 6479] exit_group(0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] getdents64(3, [pid 5074] lstat("./108/cgroup", [pid 6486] <... close resumed>) = 0 [pid 6483] <... futex resumed>) = ? [pid 6479] <... exit_group resumed>) = ? [pid 5076] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6486] symlink("/dev/binderfs", "./binderfs" [pid 6483] +++ exited with 0 +++ [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6486] <... symlink resumed>) = 0 [pid 6479] +++ exited with 0 +++ [pid 5076] <... openat resumed>) = 3 [pid 5075] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./108/cgroup" [pid 6486] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] fstat(3, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... unlink resumed>) = 0 [pid 6486] <... futex resumed>) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] lstat("./109/binderfs", [pid 5074] umount2("./108/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5076] getdents64(3, [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6486] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] unlink("./109/binderfs" [pid 5074] lstat("./108/cgroup.net", [pid 6486] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5076] umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6486] <... mprotect resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./109/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./108/cgroup.net" [pid 6486] 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 5076] lstat("./107/binderfs", [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6487 attached [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] lstat("./109/cgroup", [pid 5074] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6487] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6486] <... clone resumed>, parent_tid=[231], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 231 [pid 5076] unlink("./107/binderfs" [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6487] <... set_robust_list resumed>) = 0 [pid 6486] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... unlink resumed>) = 0 [pid 5075] unlink("./109/cgroup" [pid 6487] memfd_create("syzkaller", 0 [pid 6486] <... futex resumed>) = 0 [pid 5077] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./107/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... unlink resumed>) = 0 [pid 6487] <... memfd_create resumed>) = 3 [pid 6486] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./109/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6487] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5077] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] lstat("./107/cgroup", [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6487] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5077] <... openat resumed>) = 3 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] lstat("./109/cgroup.net", [pid 6485] <... write resumed>) = 2097152 [pid 5077] fstat(3, [pid 5076] unlink("./107/cgroup" [pid 6485] munmap(0x7f7a51cd9000, 2097152 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6485] <... munmap resumed>) = 0 [pid 5077] getdents64(3, [pid 5076] <... unlink resumed>) = 0 [pid 5075] unlink("./109/cgroup.net" [pid 5074] <... umount2 resumed>) = 0 [pid 6485] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] umount2("./107/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6485] <... openat resumed>) = 4 [pid 5077] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6485] ioctl(4, LOOP_SET_FD, 3 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./107/cgroup.net", [pid 5075] <... unlink resumed>) = 0 [pid 6485] <... ioctl resumed>) = 0 [pid 5077] lstat("./111/binderfs", [pid 5074] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] unlink("./111/binderfs" [pid 5076] unlink("./107/cgroup.net" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... unlink resumed>) = 0 [pid 5077] umount2("./111/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... unlink resumed>) = 0 [pid 5074] lstat("./108/file0", [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] lstat("./111/cgroup", [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6487] 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 6485] close(3 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6485] <... close resumed>) = 0 [pid 5077] unlink("./111/cgroup" [pid 5074] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6485] mkdir("./file0", 0777 [pid 5077] <... unlink resumed>) = 0 [pid 6485] <... mkdir resumed>) = 0 [pid 5077] umount2("./111/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6485] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./111/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] unlink("./111/cgroup.net" [pid 5074] openat(AT_FDCWD, "./108/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] <... unlink resumed>) = 0 [ 185.405088][ T6485] loop2: detected capacity change from 0 to 4096 [pid 5077] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... openat resumed>) = 4 [pid 5075] <... umount2 resumed>) = 0 [pid 5074] fstat(4, [pid 5075] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] getdents64(4, [pid 5075] lstat("./109/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(4, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] openat(AT_FDCWD, "./109/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] close(4 [pid 5075] <... openat resumed>) = 4 [pid 5074] <... close resumed>) = 0 [pid 5075] fstat(4, [pid 5074] rmdir("./108/file0" [pid 6487] <... write resumed>) = 2097152 [pid 5076] <... umount2 resumed>) = 0 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... rmdir resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] getdents64(4, [pid 5076] lstat("./107/file0", [pid 5074] umount2("./108/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] getdents64(4, [pid 5074] lstat("./108/cgroup.cpu", [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6487] munmap(0x7f7a51cd9000, 2097152 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5077] <... umount2 resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6487] <... munmap resumed>) = 0 [pid 5077] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] openat(AT_FDCWD, "./107/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] close(4 [pid 5074] unlink("./108/cgroup.cpu" [pid 6487] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... openat resumed>) = 4 [pid 5075] <... close resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 6487] <... openat resumed>) = 4 [pid 5077] lstat("./111/file0", [pid 5076] fstat(4, [pid 5075] rmdir("./109/file0" [pid 5074] getdents64(3, [pid 6487] ioctl(4, LOOP_SET_FD, 3 [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6487] <... ioctl resumed>) = 0 [pid 5077] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] getdents64(4, [pid 5075] umount2("./109/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] close(3 [pid 6487] close(3 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 [pid 6487] <... close resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./111/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] getdents64(4, [pid 5075] lstat("./109/cgroup.cpu", [pid 5074] rmdir("./108" [pid 6487] mkdir("./file0", 0777 [pid 5077] <... openat resumed>) = 4 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6487] <... mkdir resumed>) = 0 [pid 5077] fstat(4, [pid 5076] close(4 [pid 5075] unlink("./109/cgroup.cpu" [pid 5074] <... rmdir resumed>) = 0 [pid 6487] mount("/dev/loop1", "./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 5076] <... close resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] mkdir("./109", 0777 [pid 5077] getdents64(4, [pid 5076] rmdir("./107/file0" [pid 5075] getdents64(3, [pid 5074] <... mkdir resumed>) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5077] getdents64(4, [pid 5076] umount2("./107/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] close(3 [pid 5074] <... openat resumed>) = 3 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... close resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5077] close(4 [pid 5076] lstat("./107/cgroup.cpu", [pid 5075] rmdir("./109" [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5077] <... close resumed>) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 5074] close(3 [pid 5077] rmdir("./111/file0" [pid 5076] unlink("./107/cgroup.cpu" [pid 5075] mkdir("./110", 0777 [pid 5074] <... close resumed>) = 0 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... mkdir resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6488 attached [pid 5077] umount2("./111/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] getdents64(3, [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6488] set_robust_list(0x5555562845e0, 24 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] <... openat resumed>) = 3 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 220 [pid 6488] <... set_robust_list resumed>) = 0 [pid 5077] lstat("./111/cgroup.cpu", [pid 5076] close(3 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6488] chdir("./109" [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] <... close resumed>) = 0 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6488] <... chdir resumed>) = 0 [pid 5077] unlink("./111/cgroup.cpu" [pid 5076] rmdir("./107" [pid 5075] close(3 [pid 6488] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 6488] <... prctl resumed>) = 0 [pid 5077] getdents64(3, [pid 5076] mkdir("./108", 0777 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6489 attached [pid 6488] setpgid(0, 0 [pid 6485] <... mount resumed>) = 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] <... mkdir resumed>) = 0 [pid 6489] set_robust_list(0x5555562845e0, 24 [pid 6488] <... setpgid resumed>) = 0 [pid 5077] close(3 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 222 [pid 6489] <... set_robust_list resumed>) = 0 [pid 6488] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5077] <... close resumed>) = 0 [pid 5076] <... openat resumed>) = 3 [pid 6489] chdir("./110" [pid 6488] <... symlink resumed>) = 0 [pid 5077] rmdir("./111" [pid 5076] ioctl(3, LOOP_CLR_FD [pid 6489] <... chdir resumed>) = 0 [pid 6488] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5077] <... rmdir resumed>) = 0 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6489] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6488] <... symlink resumed>) = 0 [pid 5077] mkdir("./112", 0777 [pid 5076] close(3 [pid 6489] <... prctl resumed>) = 0 [pid 6488] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5077] <... mkdir resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 6489] setpgid(0, 0 [pid 6488] <... symlink resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6490 attached [pid 6489] <... setpgid resumed>) = 0 [pid 6488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] <... openat resumed>) = 3 [pid 6490] set_robust_list(0x5555562845e0, 24 [pid 6489] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6488] <... openat resumed>) = 3 [pid 6485] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 218 [pid 6490] <... set_robust_list resumed>) = 0 [pid 6489] <... symlink resumed>) = 0 [pid 6488] write(3, "1000", 4 [pid 6485] <... openat resumed>) = 3 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 185.523621][ T6487] loop1: detected capacity change from 0 to 4096 [pid 6490] chdir("./108" [pid 6489] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6488] <... write resumed>) = 4 [pid 6485] chdir("./file0" [pid 5077] close(3 [pid 6490] <... chdir resumed>) = 0 [pid 6489] <... symlink resumed>) = 0 [pid 6488] close(3 [pid 6485] <... chdir resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 6490] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6489] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6488] <... close resumed>) = 0 [pid 6485] ioctl(4, LOOP_CLR_FD [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6491 attached [pid 6490] <... prctl resumed>) = 0 [pid 6489] <... symlink resumed>) = 0 [pid 6488] symlink("/dev/binderfs", "./binderfs" [pid 6491] set_robust_list(0x5555562845e0, 24 [pid 6490] setpgid(0, 0 [pid 6489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6488] <... symlink resumed>) = 0 [pid 6485] <... ioctl resumed>) = 0 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 226 [pid 6491] <... set_robust_list resumed>) = 0 [pid 6490] <... setpgid resumed>) = 0 [pid 6489] <... openat resumed>) = 3 [pid 6488] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6485] close(4 [pid 6491] chdir("./112" [pid 6490] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6489] write(3, "1000", 4 [pid 6488] <... futex resumed>) = 0 [pid 6485] <... close resumed>) = 0 [pid 6491] <... chdir resumed>) = 0 [pid 6490] <... symlink resumed>) = 0 [pid 6489] <... write resumed>) = 4 [pid 6488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6485] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6490] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6489] close(3 [pid 6488] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6485] <... futex resumed>) = 1 [pid 6484] <... futex resumed>) = 0 [pid 6491] <... prctl resumed>) = 0 [pid 6490] <... symlink resumed>) = 0 [pid 6489] <... close resumed>) = 0 [pid 6488] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6485] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6484] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6491] setpgid(0, 0 [pid 6490] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6489] symlink("/dev/binderfs", "./binderfs" [pid 6488] <... mprotect resumed>) = 0 [pid 6485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6484] <... futex resumed>) = 0 [pid 6491] <... setpgid resumed>) = 0 [pid 6490] <... symlink resumed>) = 0 [pid 6489] <... symlink resumed>) = 0 [pid 6488] 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 6485] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6484] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6492 attached [pid 6491] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6489] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6491] <... symlink resumed>) = 0 [pid 6490] <... openat resumed>) = 3 [pid 6489] <... futex resumed>) = 0 [pid 6488] <... clone resumed>, parent_tid=[221], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 221 [pid 6492] <... set_robust_list resumed>) = 0 [pid 6491] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6490] write(3, "1000", 4 [pid 6489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6488] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6485] <... mkdirat resumed>) = 0 [pid 6492] memfd_create("syzkaller", 0 [pid 6491] <... symlink resumed>) = 0 [pid 6490] <... write resumed>) = 4 [pid 6489] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6488] <... futex resumed>) = 0 [pid 6485] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] <... memfd_create resumed>) = 3 [pid 6491] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6490] close(3 [pid 6489] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6488] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6485] <... futex resumed>) = 1 [pid 6484] <... futex resumed>) = 0 [pid 6492] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6491] <... symlink resumed>) = 0 [pid 6490] <... close resumed>) = 0 [pid 6489] <... mprotect resumed>) = 0 [pid 6485] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6484] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6490] symlink("/dev/binderfs", "./binderfs" [pid 6489] 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 6485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6484] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6493 attached [pid 6491] <... openat resumed>) = 3 [pid 6490] <... symlink resumed>) = 0 [pid 6485] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6484] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6493] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6491] write(3, "1000", 4 [pid 6490] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6489] <... clone resumed>, parent_tid=[223], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 223 [pid 6493] <... set_robust_list resumed>) = 0 [pid 6491] <... write resumed>) = 4 [pid 6490] <... futex resumed>) = 0 [pid 6489] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6493] memfd_create("syzkaller", 0 [pid 6491] close(3 [pid 6490] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6489] <... futex resumed>) = 0 [pid 6485] <... symlinkat resumed>) = 0 [pid 6493] <... memfd_create resumed>) = 3 [pid 6491] <... close resumed>) = 0 [pid 6490] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6489] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6485] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6491] symlink("/dev/binderfs", "./binderfs" [pid 6490] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6493] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6491] <... symlink resumed>) = 0 [pid 6490] <... mprotect resumed>) = 0 [pid 6485] <... futex resumed>) = 1 [pid 6484] <... futex resumed>) = 0 [pid 6491] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6490] 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 6487] <... mount resumed>) = 0 ./strace-static-x86_64: Process 6494 attached [pid 6491] <... futex resumed>) = 0 [pid 6487] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6485] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6484] close(3 [pid 6494] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6490] <... clone resumed>, parent_tid=[219], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 219 [pid 6487] <... openat resumed>) = 3 [pid 6494] <... set_robust_list resumed>) = 0 [pid 6492] 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 6491] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6490] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6484] <... close resumed>) = 0 [pid 6494] memfd_create("syzkaller", 0 [pid 6487] chdir("./file0" [pid 6484] close(4 [pid 6494] <... memfd_create resumed>) = 3 [pid 6491] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6490] <... futex resumed>) = 0 [pid 6487] <... chdir resumed>) = 0 [pid 6484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6494] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6491] <... mprotect resumed>) = 0 [pid 6490] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6487] ioctl(4, LOOP_CLR_FD [pid 6484] close(5 [pid 6494] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6491] 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 6487] <... ioctl resumed>) = 0 [pid 6484] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6495 attached [pid 6487] close(4 [pid 6484] close(6 [pid 6495] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6494] 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 6493] 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 6492] <... write resumed>) = 2097152 [pid 6491] <... clone resumed>, parent_tid=[227], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 227 [pid 6487] <... close resumed>) = 0 [pid 6484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6495] <... set_robust_list resumed>) = 0 [pid 6492] munmap(0x7f7a51cd9000, 2097152 [pid 6491] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6487] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] memfd_create("syzkaller", 0 [pid 6491] <... futex resumed>) = 0 [pid 6487] <... futex resumed>) = 1 [pid 6486] <... futex resumed>) = 0 [pid 6484] close(7 [pid 6491] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6487] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6486] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6486] <... futex resumed>) = 0 [pid 6487] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6486] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6484] close(8 [pid 6495] <... memfd_create resumed>) = 3 [pid 6484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6495] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6492] <... munmap resumed>) = 0 [pid 6484] close(9 [pid 6495] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6492] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6492] ioctl(4, LOOP_SET_FD, 3 [pid 6484] close(10) = -1 EBADF (Bad file descriptor) [pid 6484] close(11) = -1 EBADF (Bad file descriptor) [pid 6484] close(12) = -1 EBADF (Bad file descriptor) [pid 6484] close(13) = -1 EBADF (Bad file descriptor) [pid 6484] close(14) = -1 EBADF (Bad file descriptor) [pid 6484] close(15) = -1 EBADF (Bad file descriptor) [pid 6484] close(16) = -1 EBADF (Bad file descriptor) [pid 6484] close(17) = -1 EBADF (Bad file descriptor) [pid 6484] close(18) = -1 EBADF (Bad file descriptor) [pid 6484] close(19) = -1 EBADF (Bad file descriptor) [pid 6484] close(20) = -1 EBADF (Bad file descriptor) [pid 6484] close(21) = -1 EBADF (Bad file descriptor) [pid 6484] close(22) = -1 EBADF (Bad file descriptor) [pid 6484] close(23) = -1 EBADF (Bad file descriptor) [pid 6493] <... write resumed>) = 2097152 [pid 6492] <... ioctl resumed>) = 0 [pid 6492] close(3) = 0 [pid 6492] mkdir("./file0", 0777) = 0 [pid 6493] munmap(0x7f7a51cd9000, 2097152 [pid 6487] <... mkdirat resumed>) = 0 [pid 6484] close(24) = -1 EBADF (Bad file descriptor) [pid 6494] <... write resumed>) = 2097152 [pid 6493] <... munmap resumed>) = 0 [pid 6492] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6487] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6484] close(25 [pid 6494] munmap(0x7f7a51cd9000, 2097152 [pid 6487] <... futex resumed>) = 1 [pid 6486] <... futex resumed>) = 0 [pid 6484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6487] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6486] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6484] close(26 [pid 6486] <... futex resumed>) = 0 [pid 6484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6487] <... symlinkat resumed>) = 0 [pid 6486] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6484] close(27 [pid 6493] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6487] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6493] <... openat resumed>) = 4 [pid 6487] <... futex resumed>) = 1 [pid 6486] <... futex resumed>) = 0 [pid 6484] close(28 [pid 6493] ioctl(4, LOOP_SET_FD, 3 [pid 6487] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [ 185.790524][ T6492] loop0: detected capacity change from 0 to 4096 [pid 6486] close(3 [pid 6484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6494] <... munmap resumed>) = 0 [pid 6486] <... close resumed>) = 0 [pid 6494] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6486] close(4 [pid 6484] close(29 [pid 6494] <... openat resumed>) = 4 [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6484] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6486] close(5 [pid 6484] exit_group(0 [pid 6494] ioctl(4, LOOP_SET_FD, 3 [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6485] <... futex resumed>) = ? [pid 6484] <... exit_group resumed>) = ? [pid 6486] close(6) = -1 EBADF (Bad file descriptor) [pid 6486] close(7) = -1 EBADF (Bad file descriptor) [pid 6486] close(8) = -1 EBADF (Bad file descriptor) [pid 6486] close(9) = -1 EBADF (Bad file descriptor) [pid 6486] close(10) = -1 EBADF (Bad file descriptor) [pid 6485] +++ exited with 0 +++ [pid 6484] +++ exited with 0 +++ [pid 6486] close(11) = -1 EBADF (Bad file descriptor) [pid 6486] close(12) = -1 EBADF (Bad file descriptor) [pid 6486] close(13) = -1 EBADF (Bad file descriptor) [pid 6486] close(14) = -1 EBADF (Bad file descriptor) [pid 6486] close(15) = -1 EBADF (Bad file descriptor) [pid 6486] close(16) = -1 EBADF (Bad file descriptor) [pid 6486] close(17) = -1 EBADF (Bad file descriptor) [pid 6486] close(18) = -1 EBADF (Bad file descriptor) [pid 6486] close(19) = -1 EBADF (Bad file descriptor) [pid 6486] close(20) = -1 EBADF (Bad file descriptor) [pid 6486] close(21 [pid 6493] <... ioctl resumed>) = 0 [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6493] close(3 [pid 6486] close(22 [pid 6493] <... close resumed>) = 0 [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6493] mkdir("./file0", 0777 [pid 6486] close(23 [pid 6493] <... mkdir resumed>) = 0 [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6486] close(24 [pid 6493] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6486] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6486] close(25) = -1 EBADF (Bad file descriptor) [pid 6486] close(26) = -1 EBADF (Bad file descriptor) [pid 6486] close(27) = -1 EBADF (Bad file descriptor) [pid 6486] close(28) = -1 EBADF (Bad file descriptor) [pid 6486] close(29) = -1 EBADF (Bad file descriptor) [pid 6486] exit_group(0 [pid 6487] <... futex resumed>) = ? [pid 6486] <... exit_group resumed>) = ? [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6495] 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 6494] <... ioctl resumed>) = 0 [pid 6487] +++ exited with 0 +++ [pid 6486] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6494] close(3 [pid 5079] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6494] <... close resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6494] mkdir("./file0", 0777 [pid 5079] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6494] <... mkdir resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 6494] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5079] fstat(3, [pid 5078] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] getdents64(3, [pid 5078] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] <... openat resumed>) = 3 [pid 5079] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] fstat(3, [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] lstat("./116/binderfs", [pid 5078] getdents64(3, [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5079] unlink("./116/binderfs" [pid 5078] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] <... unlink resumed>) = 0 [pid 5078] lstat("./114/binderfs", [pid 5079] umount2("./116/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] unlink("./114/binderfs" [pid 6492] <... mount resumed>) = 0 [pid 5079] lstat("./116/cgroup", [pid 5078] <... unlink resumed>) = 0 [pid 6492] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] umount2("./114/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6492] <... openat resumed>) = 3 [pid 5079] unlink("./116/cgroup" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6492] chdir("./file0" [pid 5079] <... unlink resumed>) = 0 [pid 5078] lstat("./114/cgroup", [pid 6492] <... chdir resumed>) = 0 [pid 5079] umount2("./116/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6492] ioctl(4, LOOP_CLR_FD [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] unlink("./114/cgroup" [pid 6492] <... ioctl resumed>) = 0 [pid 5079] lstat("./116/cgroup.net", [pid 5078] <... unlink resumed>) = 0 [pid 6492] close(4 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] umount2("./114/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6492] <... close resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6492] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] lstat("./114/cgroup.net", [pid 6492] <... futex resumed>) = 1 [pid 6488] <... futex resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6492] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6488] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] unlink("./114/cgroup.net" [pid 6492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6488] <... futex resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [ 185.840913][ T6493] loop3: detected capacity change from 0 to 4096 [ 185.861097][ T6494] loop4: detected capacity change from 0 to 4096 [pid 6492] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6488] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6493] <... mount resumed>) = 0 [pid 6492] <... mkdirat resumed>) = 0 [pid 5079] unlink("./116/cgroup.net" [pid 6493] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6492] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6493] <... openat resumed>) = 3 [pid 6492] <... futex resumed>) = 1 [pid 6488] <... futex resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6493] chdir("./file0" [pid 6492] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6488] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6493] <... chdir resumed>) = 0 [pid 6492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6488] <... futex resumed>) = 0 [pid 6493] ioctl(4, LOOP_CLR_FD [pid 6492] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6488] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6493] <... ioctl resumed>) = 0 [pid 6492] <... symlinkat resumed>) = 0 [pid 6493] close(4 [pid 6492] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6493] <... close resumed>) = 0 [pid 6492] <... futex resumed>) = 1 [pid 6488] <... futex resumed>) = 0 [pid 6493] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6488] close(3 [pid 6493] <... futex resumed>) = 1 [pid 6489] <... futex resumed>) = 0 [pid 6488] <... close resumed>) = 0 [pid 6493] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6489] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6488] close(4 [pid 6493] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6489] <... futex resumed>) = 0 [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6493] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6489] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6488] close(5 [pid 6493] <... mkdirat resumed>) = 0 [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6493] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6488] close(6 [pid 6493] <... futex resumed>) = 1 [pid 6489] <... futex resumed>) = 0 [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6493] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6489] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6488] close(7 [pid 6493] <... symlinkat resumed>) = 0 [pid 6489] <... futex resumed>) = 0 [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6493] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6489] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6488] close(8 [pid 6493] <... futex resumed>) = 0 [pid 6489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6493] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6489] close(3 [pid 6488] close(9 [pid 6489] <... close resumed>) = 0 [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6489] close(4 [pid 6488] close(10 [pid 5078] <... umount2 resumed>) = 0 [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6489] close(5 [pid 6488] close(11 [pid 5078] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6489] close(6 [pid 6488] close(12 [pid 5078] lstat("./114/file0", [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6489] close(7 [pid 6488] close(13 [pid 5078] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6489] close(8 [pid 6488] close(14 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./114/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6489] close(9 [pid 6488] close(15 [pid 5078] <... openat resumed>) = 4 [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] fstat(4, [pid 6489] close(10 [pid 6488] close(16 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(4, [pid 6489] close(11 [pid 6488] close(17 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(4, [pid 6489] close(12 [pid 6488] close(18 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(4 [pid 6489] close(13 [pid 6488] close(19 [pid 5078] <... close resumed>) = 0 [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] rmdir("./114/file0" [pid 6495] <... write resumed>) = 2097152 [pid 6489] close(14 [pid 6488] close(20 [pid 5079] <... umount2 resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 6495] munmap(0x7f7a51cd9000, 2097152 [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./114/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6495] <... munmap resumed>) = 0 [pid 6489] close(15 [pid 6488] close(21 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6495] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./116/file0", [pid 5078] lstat("./114/cgroup.cpu", [pid 6495] <... openat resumed>) = 4 [pid 6489] close(16 [pid 6488] close(22 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6495] ioctl(4, LOOP_SET_FD, 3 [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] unlink("./114/cgroup.cpu" [pid 6489] close(17 [pid 6488] close(23 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... unlink resumed>) = 0 [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] openat(AT_FDCWD, "./116/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] getdents64(3, [pid 6489] close(18 [pid 6488] close(24 [pid 5079] <... openat resumed>) = 4 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] fstat(4, [pid 5078] close(3 [pid 6489] close(19 [pid 6488] close(25 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... close resumed>) = 0 [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(4, [pid 5078] rmdir("./114" [pid 6489] close(20 [pid 6488] close(26 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] <... rmdir resumed>) = 0 [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(4, [pid 5078] mkdir("./115", 0777 [pid 6489] close(21 [pid 6488] close(27 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(4 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6489] close(22 [pid 6488] close(28 [pid 5079] <... close resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 6495] <... ioctl resumed>) = 0 [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./116/file0" [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6495] close(3 [pid 6494] <... mount resumed>) = 0 [pid 6489] close(23 [pid 6488] close(29 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6495] <... close resumed>) = 0 [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./116/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] close(3 [pid 6495] mkdir("./file0", 0777 [pid 6494] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6489] close(24 [pid 6488] exit_group(0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... close resumed>) = 0 [pid 6495] <... mkdir resumed>) = 0 [pid 6494] <... openat resumed>) = 3 [pid 6492] <... futex resumed>) = ? [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6488] <... exit_group resumed>) = ? [pid 5079] lstat("./116/cgroup.cpu", [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6496 attached [pid 6495] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6494] chdir("./file0" [pid 6492] +++ exited with 0 +++ [pid 6489] close(25 [pid 6488] +++ exited with 0 +++ [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6496] set_robust_list(0x5555562845e0, 24 [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./116/cgroup.cpu" [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 232 [pid 6496] <... set_robust_list resumed>) = 0 [pid 6494] <... chdir resumed>) = 0 [pid 6489] close(26 [pid 5079] <... unlink resumed>) = 0 [pid 6496] chdir("./115" [pid 6494] ioctl(4, LOOP_CLR_FD [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 185.986779][ T6495] loop5: detected capacity change from 0 to 4096 [pid 5079] getdents64(3, [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6496] <... chdir resumed>) = 0 [pid 6494] <... ioctl resumed>) = 0 [pid 6489] close(27 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6496] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(3 [pid 6496] <... prctl resumed>) = 0 [pid 6489] close(28 [pid 5079] <... close resumed>) = 0 [pid 6496] setpgid(0, 0 [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./116" [pid 6496] <... setpgid resumed>) = 0 [pid 6489] close(29 [pid 5079] <... rmdir resumed>) = 0 [pid 6496] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6489] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] mkdir("./117", 0777 [pid 6496] <... symlink resumed>) = 0 [pid 6489] exit_group(0 [pid 5079] <... mkdir resumed>) = 0 [pid 6496] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6493] <... futex resumed>) = ? [pid 6489] <... exit_group resumed>) = ? [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6496] <... symlink resumed>) = 0 [pid 6494] close(4 [pid 6493] +++ exited with 0 +++ [pid 6489] +++ exited with 0 +++ [pid 5079] <... openat resumed>) = 3 [pid 5074] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6496] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6494] <... close resumed>) = 0 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=6 /* 0.06 s */} --- [pid 6496] <... symlink resumed>) = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 6496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] close(3 [pid 5075] <... restart_syscall resumed>) = 0 [pid 6496] <... openat resumed>) = 3 [pid 5079] <... close resumed>) = 0 [pid 6496] write(3, "1000", 4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6497 attached [pid 6496] <... write resumed>) = 4 [pid 5075] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6497] set_robust_list(0x5555562845e0, 24 [pid 6496] close(3 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 236 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6497] <... set_robust_list resumed>) = 0 [pid 6496] <... close resumed>) = 0 [pid 5075] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6497] chdir("./117" [pid 6496] symlink("/dev/binderfs", "./binderfs" [pid 5075] <... openat resumed>) = 3 [pid 6497] <... chdir resumed>) = 0 [pid 6496] <... symlink resumed>) = 0 [pid 6494] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] fstat(3, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6497] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6496] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6494] <... futex resumed>) = 1 [pid 6490] <... futex resumed>) = 0 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6497] <... prctl resumed>) = 0 [pid 6496] <... futex resumed>) = 0 [pid 6494] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6490] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] getdents64(3, [pid 5074] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6497] setpgid(0, 0 [pid 6496] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6495] <... mount resumed>) = 0 [pid 6490] <... futex resumed>) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... openat resumed>) = 3 [pid 6497] <... setpgid resumed>) = 0 [pid 6496] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6495] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6490] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] fstat(3, [pid 6497] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6496] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6495] <... openat resumed>) = 3 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6497] <... symlink resumed>) = 0 [pid 6496] <... mprotect resumed>) = 0 [pid 6495] chdir("./file0" [pid 5075] lstat("./110/binderfs", [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6497] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6496] 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 6495] <... chdir resumed>) = 0 [pid 6494] <... mkdirat resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 6498 attached [pid 6497] <... symlink resumed>) = 0 [pid 6495] ioctl(4, LOOP_CLR_FD [pid 6494] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] unlink("./110/binderfs" [pid 5074] getdents64(3, [pid 6498] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6497] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6496] <... clone resumed>, parent_tid=[233], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 233 [pid 6495] <... ioctl resumed>) = 0 [pid 6494] <... futex resumed>) = 1 [pid 6490] <... futex resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6498] <... set_robust_list resumed>) = 0 [pid 6497] <... symlink resumed>) = 0 [pid 6496] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] close(4 [pid 6494] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6490] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] umount2("./110/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6498] memfd_create("syzkaller", 0 [pid 6497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6496] <... futex resumed>) = 0 [pid 6495] <... close resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6498] <... memfd_create resumed>) = 3 [pid 6497] <... openat resumed>) = 3 [pid 6496] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6495] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6490] <... futex resumed>) = 0 [pid 5075] lstat("./110/cgroup", [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6498] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6497] write(3, "1000", 4 [pid 6495] <... futex resumed>) = 1 [pid 6494] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6491] <... futex resumed>) = 0 [pid 6490] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] lstat("./109/binderfs", [pid 6498] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6497] <... write resumed>) = 4 [pid 6495] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6491] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] unlink("./110/cgroup" [pid 6497] close(3 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] unlink("./109/binderfs" [pid 6495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6491] <... futex resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 6497] <... close resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] umount2("./109/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6497] symlink("/dev/binderfs", "./binderfs" [pid 6495] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6491] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] umount2("./110/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6497] <... symlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./109/cgroup", [pid 6497] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] <... mkdirat resumed>) = 0 [pid 5075] lstat("./110/cgroup.net", [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6497] <... futex resumed>) = 0 [pid 6495] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] unlink("./109/cgroup" [pid 6497] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6495] <... futex resumed>) = 1 [pid 6491] <... futex resumed>) = 0 [pid 5075] unlink("./110/cgroup.net" [pid 5074] <... unlink resumed>) = 0 [pid 6497] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6495] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6491] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] umount2("./109/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6497] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6491] <... futex resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6497] <... mprotect resumed>) = 0 [pid 6491] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5075] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./109/cgroup.net", [pid 6497] 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 6495] <... symlinkat resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6499 attached [pid 6495] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] unlink("./109/cgroup.net" [pid 6499] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6497] <... clone resumed>, parent_tid=[237], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 237 [pid 5074] <... unlink resumed>) = 0 [pid 6499] <... set_robust_list resumed>) = 0 [pid 6497] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] <... futex resumed>) = 1 [pid 6494] <... symlinkat resumed>) = 0 [pid 6491] <... futex resumed>) = 0 [pid 5074] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6499] memfd_create("syzkaller", 0 [pid 6497] <... futex resumed>) = 0 [pid 6495] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6494] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6491] close(3 [pid 6499] <... memfd_create resumed>) = 3 [pid 6497] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6494] <... futex resumed>) = 1 [pid 6491] <... close resumed>) = 0 [pid 6490] <... futex resumed>) = 0 [pid 6499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6494] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6490] close(3 [pid 6499] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6491] close(4 [pid 6490] <... close resumed>) = 0 [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(4 [pid 5075] <... umount2 resumed>) = 0 [pid 6491] close(5 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(5 [pid 6491] close(6 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(6 [pid 6491] close(7 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(7 [pid 6491] close(8 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(8 [pid 6491] close(9 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(9 [pid 6491] close(10 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(10 [pid 6491] close(11 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(11 [pid 6491] close(12 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6498] 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 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(12 [pid 5075] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6491] close(13 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(13 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6491] close(14 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] lstat("./110/file0", [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(14 [pid 5074] <... umount2 resumed>) = 0 [pid 6491] close(15 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(15 [pid 5074] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6491] close(16 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(16 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6491] close(17 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] openat(AT_FDCWD, "./110/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(17 [pid 5074] lstat("./109/file0", [pid 6491] close(18 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... openat resumed>) = 4 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(18 [pid 5075] fstat(4, [pid 5074] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6491] close(19 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(19 [pid 5075] getdents64(4, [pid 5074] openat(AT_FDCWD, "./109/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6491] close(20 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] <... openat resumed>) = 4 [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(20 [pid 5075] getdents64(4, [pid 5074] fstat(4, [pid 6491] close(21 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(21 [pid 5075] close(4 [pid 5074] getdents64(4, [pid 6499] 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 6491] close(22 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... close resumed>) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(22 [pid 5075] rmdir("./110/file0" [pid 5074] getdents64(4, [pid 6491] close(23 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... rmdir resumed>) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(23 [pid 5075] umount2("./110/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] close(4 [pid 6491] close(24 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(24 [pid 5075] lstat("./110/cgroup.cpu", [pid 5074] rmdir("./109/file0" [pid 6491] close(25 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(25 [pid 5075] unlink("./110/cgroup.cpu" [pid 5074] umount2("./109/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6491] close(26 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6498] <... write resumed>) = 2097152 [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(26 [pid 5075] getdents64(3, [pid 6498] munmap(0x7f7a51cd9000, 2097152 [pid 6491] close(27 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6498] <... munmap resumed>) = 0 [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] close(3 [pid 5074] lstat("./109/cgroup.cpu", [pid 6491] close(28 [pid 5075] <... close resumed>) = 0 [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6490] close(27 [pid 5075] rmdir("./110" [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6491] close(29 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... rmdir resumed>) = 0 [pid 6491] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] mkdir("./111", 0777 [pid 6491] exit_group(0 [pid 6490] close(28 [pid 5075] <... mkdir resumed>) = 0 [pid 5074] unlink("./109/cgroup.cpu" [pid 6498] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6495] <... futex resumed>) = ? [pid 6491] <... exit_group resumed>) = ? [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6498] <... openat resumed>) = 4 [pid 6495] +++ exited with 0 +++ [pid 6499] <... write resumed>) = 2097152 [pid 6491] +++ exited with 0 +++ [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... openat resumed>) = 3 [pid 5074] <... unlink resumed>) = 0 [pid 6498] ioctl(4, LOOP_SET_FD, 3 [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6499] munmap(0x7f7a51cd9000, 2097152 [pid 6490] close(29 [pid 5074] getdents64(3, [pid 6498] <... ioctl resumed>) = 0 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6498] close(3 [pid 6490] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] close(3 [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6498] <... close resumed>) = 0 [pid 5077] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... close resumed>) = 0 [pid 6498] mkdir("./file0", 0777 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6500 attached [pid 6499] <... munmap resumed>) = 0 [pid 6498] <... mkdir resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6500] set_robust_list(0x5555562845e0, 24 [pid 6498] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5077] <... openat resumed>) = 3 [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 224 [pid 6500] <... set_robust_list resumed>) = 0 [pid 6490] exit_group(0 [pid 5077] fstat(3, [pid 5074] close(3 [pid 6500] chdir("./111" [pid 6499] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6494] <... futex resumed>) = ? [pid 6490] <... exit_group resumed>) = ? [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6500] <... chdir resumed>) = 0 [pid 5077] getdents64(3, [pid 5074] <... close resumed>) = 0 [pid 6500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] rmdir("./109" [pid 6500] <... prctl resumed>) = 0 [pid 6494] +++ exited with 0 +++ [pid 6490] +++ exited with 0 +++ [pid 5077] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6500] setpgid(0, 0 [pid 6499] <... openat resumed>) = 4 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... rmdir resumed>) = 0 [pid 6500] <... setpgid resumed>) = 0 [pid 5077] lstat("./112/binderfs", [pid 5074] mkdir("./110", 0777 [pid 6500] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6499] ioctl(4, LOOP_SET_FD, 3 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6500] <... symlink resumed>) = 0 [pid 5077] unlink("./112/binderfs" [pid 5074] <... mkdir resumed>) = 0 [pid 6500] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5077] <... unlink resumed>) = 0 [pid 6500] <... symlink resumed>) = 0 [pid 5077] umount2("./112/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6500] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6500] <... symlink resumed>) = 0 [pid 5077] lstat("./112/cgroup", [pid 6500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6500] <... openat resumed>) = 3 [pid 5077] unlink("./112/cgroup" [pid 6500] write(3, "1000", 4 [pid 5077] <... unlink resumed>) = 0 [pid 6500] <... write resumed>) = 4 [pid 5077] umount2("./112/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6500] close(3 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6500] <... close resumed>) = 0 [pid 5077] lstat("./112/cgroup.net", [pid 5074] <... openat resumed>) = 3 [pid 6500] symlink("/dev/binderfs", "./binderfs" [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6500] <... symlink resumed>) = 0 [pid 5077] unlink("./112/cgroup.net" [pid 5076] umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6500] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6500] <... futex resumed>) = 0 [pid 5077] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] close(3 [pid 6500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6499] <... ioctl resumed>) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5074] <... close resumed>) = 0 [pid 6500] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6499] close(3 [pid 5076] fstat(3, [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6501 attached [pid 6500] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6499] <... close resumed>) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6501] set_robust_list(0x5555562845e0, 24 [pid 6500] <... mprotect resumed>) = 0 [pid 6499] mkdir("./file0", 0777 [pid 5076] getdents64(3, [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 222 [pid 6501] <... set_robust_list resumed>) = 0 [pid 6500] 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 6499] <... mkdir resumed>) = 0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 ./strace-static-x86_64: Process 6502 attached [pid 6501] chdir("./110" [ 186.317033][ T6498] loop1: detected capacity change from 0 to 4096 [ 186.345388][ T6499] loop2: detected capacity change from 0 to 4096 [pid 6499] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5076] umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6502] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6501] <... chdir resumed>) = 0 [pid 6500] <... clone resumed>, parent_tid=[225], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 225 [pid 5077] <... umount2 resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6502] <... set_robust_list resumed>) = 0 [pid 6501] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6500] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] <... mount resumed>) = 0 [pid 5076] lstat("./108/binderfs", [pid 6502] memfd_create("syzkaller", 0 [pid 6501] <... prctl resumed>) = 0 [pid 6500] <... futex resumed>) = 0 [pid 6498] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6502] <... memfd_create resumed>) = 3 [pid 6501] setpgid(0, 0 [pid 6500] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6498] <... openat resumed>) = 3 [pid 5077] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] unlink("./108/binderfs" [pid 6502] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6501] <... setpgid resumed>) = 0 [pid 6498] chdir("./file0" [pid 6502] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6501] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6498] <... chdir resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... unlink resumed>) = 0 [pid 6501] <... symlink resumed>) = 0 [pid 6498] ioctl(4, LOOP_CLR_FD [pid 5077] lstat("./112/file0", [pid 6501] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6498] <... ioctl resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] umount2("./108/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6501] <... symlink resumed>) = 0 [pid 6498] close(4 [pid 5077] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6501] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6498] <... close resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./108/cgroup", [pid 6501] <... symlink resumed>) = 0 [pid 6498] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] openat(AT_FDCWD, "./112/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6498] <... futex resumed>) = 1 [pid 6496] <... futex resumed>) = 0 [pid 5077] <... openat resumed>) = 4 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6501] <... openat resumed>) = 3 [pid 6498] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6496] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] fstat(4, [pid 6501] write(3, "1000", 4 [pid 6498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6496] <... futex resumed>) = 0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6501] <... write resumed>) = 4 [pid 6498] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6496] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] getdents64(4, [pid 6501] close(3 [pid 6498] <... mkdirat resumed>) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] unlink("./108/cgroup" [pid 6501] <... close resumed>) = 0 [pid 6498] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] getdents64(4, [pid 6501] symlink("/dev/binderfs", "./binderfs" [pid 6498] <... futex resumed>) = 1 [pid 6496] <... futex resumed>) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 6501] <... symlink resumed>) = 0 [pid 6498] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6496] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] close(4 [pid 6501] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6496] <... futex resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5076] umount2("./108/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6501] <... futex resumed>) = 0 [pid 6498] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6496] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] rmdir("./112/file0" [pid 6501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6498] <... symlinkat resumed>) = 0 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6501] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6498] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] umount2("./112/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6501] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6498] <... futex resumed>) = 1 [pid 6496] <... futex resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6501] <... mprotect resumed>) = 0 [pid 6498] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6496] close(3 [pid 5077] lstat("./112/cgroup.cpu", [pid 6501] 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 6496] <... close resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6503 attached [pid 6502] 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 6496] close(4 [pid 5077] unlink("./112/cgroup.cpu" [pid 6503] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6501] <... clone resumed>, parent_tid=[223], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 223 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 5076] lstat("./108/cgroup.net", [pid 6503] <... set_robust_list resumed>) = 0 [pid 6501] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6496] close(5 [pid 5077] getdents64(3, [pid 6503] memfd_create("syzkaller", 0 [pid 6501] <... futex resumed>) = 0 [pid 6499] <... mount resumed>) = 0 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6503] <... memfd_create resumed>) = 3 [pid 6501] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6496] close(6 [pid 5077] close(3 [pid 5076] unlink("./108/cgroup.net" [pid 6503] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... close resumed>) = 0 [pid 6503] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6499] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6496] close(7 [pid 5077] rmdir("./112" [pid 5076] <... unlink resumed>) = 0 [pid 6499] <... openat resumed>) = 3 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... rmdir resumed>) = 0 [pid 6499] chdir("./file0" [pid 6496] close(8 [pid 5077] mkdir("./113", 0777 [pid 5076] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6502] <... write resumed>) = 2097152 [pid 6499] <... chdir resumed>) = 0 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... mkdir resumed>) = 0 [pid 6502] munmap(0x7f7a51cd9000, 2097152 [pid 6499] ioctl(4, LOOP_CLR_FD [pid 6496] close(9 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6503] 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 6499] <... ioctl resumed>) = 0 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6499] close(4 [pid 5077] <... openat resumed>) = 3 [pid 6496] close(10 [pid 6502] <... munmap resumed>) = 0 [pid 6499] <... close resumed>) = 0 [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] <... umount2 resumed>) = 0 [pid 6502] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6499] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6499] <... futex resumed>) = 1 [pid 6497] <... futex resumed>) = 0 [pid 6502] <... openat resumed>) = 4 [pid 6496] close(11 [pid 5077] close(3 [pid 6502] ioctl(4, LOOP_SET_FD, 3 [pid 6499] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6497] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... close resumed>) = 0 [pid 6502] <... ioctl resumed>) = 0 [pid 6499] <... mkdirat resumed>) = 0 [pid 6497] <... futex resumed>) = 0 [pid 6496] close(12 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6499] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6504 attached [pid 6496] close(13 [pid 5076] lstat("./108/file0", [pid 6497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6504] set_robust_list(0x5555562845e0, 24 [pid 6502] close(3 [pid 6499] <... futex resumed>) = 0 [pid 6504] <... set_robust_list resumed>) = 0 [pid 6504] chdir("./113") = 0 [pid 6502] <... close resumed>) = 0 [pid 6499] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6497] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 228 [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6504] setpgid(0, 0) = 0 [pid 6502] mkdir("./file0", 0777 [pid 6497] <... futex resumed>) = 0 [pid 6504] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6496] close(14 [pid 5076] umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6504] <... symlink resumed>) = 0 [pid 6502] <... mkdir resumed>) = 0 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6504] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6497] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6504] <... symlink resumed>) = 0 [pid 6502] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6496] close(15 [pid 5076] openat(AT_FDCWD, "./108/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6504] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6504] <... symlink resumed>) = 0 [pid 5076] <... openat resumed>) = 4 [pid 6504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6496] close(16 [pid 6504] <... openat resumed>) = 3 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] fstat(4, [pid 6504] write(3, "1000", 4 [pid 6496] close(17 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6504] <... write resumed>) = 4 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] getdents64(4, [pid 6504] close(3) = 0 [pid 6504] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6504] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6504] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6504] 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 6505 attached [pid 6505] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6504] <... clone resumed>, parent_tid=[229], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 229 [pid 6505] <... set_robust_list resumed>) = 0 [pid 6504] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] memfd_create("syzkaller", 0 [pid 6504] <... futex resumed>) = 0 [pid 6499] <... symlinkat resumed>) = 0 [pid 6496] close(18 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [ 186.558425][ T6502] loop3: detected capacity change from 0 to 4096 [pid 6505] <... memfd_create resumed>) = 3 [pid 6504] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6499] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] getdents64(4, [pid 6505] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 6499] <... futex resumed>) = 1 [pid 6497] <... futex resumed>) = 0 [pid 6496] close(19 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6499] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6497] close(3 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] close(4 [pid 6497] <... close resumed>) = 0 [pid 6496] close(20 [pid 5076] <... close resumed>) = 0 [pid 6497] close(4 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] rmdir("./108/file0" [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6496] close(21 [pid 6497] close(5 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... rmdir resumed>) = 0 [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6496] close(22 [pid 5076] umount2("./108/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6497] close(6 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6496] close(23 [pid 5076] lstat("./108/cgroup.cpu", [pid 6497] close(7 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6496] close(24 [pid 5076] unlink("./108/cgroup.cpu" [pid 6497] close(8 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6503] <... write resumed>) = 2097152 [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... unlink resumed>) = 0 [pid 6496] close(25 [pid 6497] close(9 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] getdents64(3, [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6496] close(26 [pid 6497] close(10 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6496] close(27 [pid 5076] close(3 [pid 6497] close(11 [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6496] close(28 [pid 5076] <... close resumed>) = 0 [pid 6503] munmap(0x7f7a51cd9000, 2097152 [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] rmdir("./108" [pid 6503] <... munmap resumed>) = 0 [pid 6497] close(12 [pid 6496] close(29 [pid 5076] <... rmdir resumed>) = 0 [pid 6503] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6496] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] mkdir("./109", 0777 [pid 6503] <... openat resumed>) = 4 [pid 6497] close(13 [pid 6496] exit_group(0 [pid 5076] <... mkdir resumed>) = 0 [pid 6503] ioctl(4, LOOP_SET_FD, 3 [pid 6498] <... futex resumed>) = ? [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6496] <... exit_group resumed>) = ? [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6502] <... mount resumed>) = 0 [pid 6498] +++ exited with 0 +++ [pid 6497] close(14 [pid 6496] +++ exited with 0 +++ [pid 5076] <... openat resumed>) = 3 [pid 6505] 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 6503] <... ioctl resumed>) = 0 [pid 6502] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5076] ioctl(3, LOOP_CLR_FD [pid 6503] close(3 [pid 6502] <... openat resumed>) = 3 [pid 6497] close(15 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6503] <... close resumed>) = 0 [pid 6502] chdir("./file0" [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] close(3 [pid 6503] mkdir("./file0", 0777 [pid 6502] <... chdir resumed>) = 0 [pid 6497] close(16 [pid 5076] <... close resumed>) = 0 [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6506 attached [pid 6503] <... mkdir resumed>) = 0 [pid 6502] ioctl(4, LOOP_CLR_FD [pid 6497] close(17 [pid 6506] set_robust_list(0x5555562845e0, 24 [pid 6503] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6502] <... ioctl resumed>) = 0 [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 220 [pid 6506] <... set_robust_list resumed>) = 0 [pid 6497] close(18 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6506] chdir("./109" [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6506] <... chdir resumed>) = 0 [pid 6497] close(19 [pid 5078] <... openat resumed>) = 3 [pid 6506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] fstat(3, [pid 6506] <... prctl resumed>) = 0 [pid 6497] close(20 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6506] setpgid(0, 0 [pid 6502] close(4 [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(3, [pid 6506] <... setpgid resumed>) = 0 [pid 6502] <... close resumed>) = 0 [pid 6497] close(21 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6506] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6502] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 186.665524][ T6503] loop0: detected capacity change from 0 to 4096 [pid 5078] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6506] <... symlink resumed>) = 0 [pid 6502] <... futex resumed>) = 1 [pid 6500] <... futex resumed>) = 0 [pid 6497] close(22 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6506] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6502] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6500] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./115/binderfs", [pid 6506] <... symlink resumed>) = 0 [pid 6500] <... futex resumed>) = 0 [pid 6497] close(23 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6506] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6500] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./115/binderfs" [pid 6506] <... symlink resumed>) = 0 [pid 6502] <... mkdirat resumed>) = 0 [pid 6497] close(24 [pid 5078] <... unlink resumed>) = 0 [pid 6506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6503] <... mount resumed>) = 0 [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./115/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6506] <... openat resumed>) = 3 [pid 6497] close(25 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6506] write(3, "1000", 4 [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./115/cgroup", [pid 6506] <... write resumed>) = 4 [pid 6497] close(26 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6506] close(3 [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./115/cgroup" [pid 6506] <... close resumed>) = 0 [pid 6503] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6502] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] close(27 [pid 5078] <... unlink resumed>) = 0 [pid 6506] symlink("/dev/binderfs", "./binderfs" [pid 6503] <... openat resumed>) = 3 [pid 6502] <... futex resumed>) = 1 [pid 6500] <... futex resumed>) = 0 [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./115/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6505] <... write resumed>) = 2097152 [pid 6506] <... symlink resumed>) = 0 [pid 6503] chdir("./file0" [pid 6502] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6500] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] close(28 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6506] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] munmap(0x7f7a51cd9000, 2097152 [pid 6503] <... chdir resumed>) = 0 [pid 6502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6500] <... futex resumed>) = 0 [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./115/cgroup.net", [pid 6506] <... futex resumed>) = 0 [pid 6505] <... munmap resumed>) = 0 [pid 6503] ioctl(4, LOOP_CLR_FD [pid 6502] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6500] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6497] close(29 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6503] <... ioctl resumed>) = 0 [pid 6503] close(4) = 0 [pid 6503] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6503] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6505] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6505] ioctl(4, LOOP_SET_FD, 3 [pid 6506] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6502] <... symlinkat resumed>) = 0 [pid 6501] <... futex resumed>) = 0 [pid 6497] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./115/cgroup.net" [pid 6506] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6502] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6501] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] exit_group(0 [pid 6506] <... mprotect resumed>) = 0 [pid 6502] <... futex resumed>) = 1 [pid 6500] <... futex resumed>) = 0 [pid 6503] <... futex resumed>) = 0 [pid 6501] <... futex resumed>) = 1 [pid 6497] <... exit_group resumed>) = ? [pid 5078] <... unlink resumed>) = 0 [pid 6499] <... futex resumed>) = ? [pid 6506] 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 6503] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6502] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6501] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6500] close(3./strace-static-x86_64: Process 6507 attached [pid 6503] <... mkdirat resumed>) = 0 [pid 6500] <... close resumed>) = 0 [pid 6499] +++ exited with 0 +++ [pid 6497] +++ exited with 0 +++ [pid 5078] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6507] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6506] <... clone resumed>, parent_tid=[221], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 221 [pid 6503] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6500] close(4 [pid 6507] <... set_robust_list resumed>) = 0 [pid 6506] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6503] <... futex resumed>) = 1 [pid 6501] <... futex resumed>) = 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6507] memfd_create("syzkaller", 0 [pid 6506] <... futex resumed>) = 0 [pid 6503] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6501] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6500] close(5 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 6507] <... memfd_create resumed>) = 3 [pid 6506] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6501] <... futex resumed>) = 0 [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6507] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6503] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6501] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6500] close(6 [pid 5079] <... restart_syscall resumed>) = 0 [pid 6507] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6503] <... symlinkat resumed>) = 0 [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6503] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... umount2 resumed>) = 0 [pid 6503] <... futex resumed>) = 1 [pid 6505] <... ioctl resumed>) = 0 [pid 6503] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6500] close(7 [pid 6505] close(3 [pid 6501] <... futex resumed>) = 0 [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6505] <... close resumed>) = 0 [pid 6501] close(3 [pid 6500] close(8 [pid 5079] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 186.764825][ T6505] loop5: detected capacity change from 0 to 4096 [pid 6505] mkdir("./file0", 0777) = 0 [pid 6501] <... close resumed>) = 0 [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./115/file0", [pid 6505] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6501] close(4 [pid 6500] close(9 [pid 5079] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 5078] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6501] close(5 [pid 6500] close(10 [pid 5079] fstat(3, [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] openat(AT_FDCWD, "./115/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6501] close(6 [pid 6500] close(11 [pid 5079] getdents64(3, [pid 5078] <... openat resumed>) = 4 [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] fstat(4, [pid 6501] close(7 [pid 6500] close(12 [pid 5079] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] getdents64(4, [pid 6501] close(8 [pid 6500] close(13 [pid 5079] lstat("./117/binderfs", [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] getdents64(4, [pid 6501] close(9 [pid 6500] close(14 [pid 5079] unlink("./117/binderfs" [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] close(15 [pid 6501] close(10 [pid 5079] <... unlink resumed>) = 0 [pid 5078] close(4 [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./117/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... close resumed>) = 0 [pid 6501] close(11 [pid 6500] close(16 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] rmdir("./115/file0" [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./117/cgroup", [pid 5078] <... rmdir resumed>) = 0 [pid 6501] close(12 [pid 6500] close(17 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] umount2("./115/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./117/cgroup" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6501] close(13 [pid 6500] close(18 [pid 5079] <... unlink resumed>) = 0 [pid 5078] lstat("./115/cgroup.cpu", [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./117/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6507] 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 6501] close(14 [pid 6500] close(19 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] unlink("./115/cgroup.cpu" [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./117/cgroup.net", [pid 5078] <... unlink resumed>) = 0 [pid 6501] close(15 [pid 6500] close(20 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] getdents64(3, [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./117/cgroup.net" [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6500] close(21 [pid 6501] close(16 [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5078] close(3 [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] close(22 [pid 5078] <... close resumed>) = 0 [pid 5079] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6501] close(17 [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] rmdir("./115" [pid 6507] <... write resumed>) = 2097152 [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] close(23 [pid 5078] <... rmdir resumed>) = 0 [pid 6501] close(18 [pid 6505] <... mount resumed>) = 0 [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] mkdir("./116", 0777 [pid 6505] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] close(24 [pid 6505] chdir("./file0") = 0 [pid 6507] munmap(0x7f7a51cd9000, 2097152 [pid 6505] ioctl(4, LOOP_CLR_FD [pid 6501] close(19 [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 6505] <... ioctl resumed>) = 0 [pid 6505] close(4 [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] close(25 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6505] <... close resumed>) = 0 [pid 5079] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6505] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... openat resumed>) = 3 [pid 6505] <... futex resumed>) = 1 [pid 6504] <... futex resumed>) = 0 [pid 6505] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6504] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6504] <... futex resumed>) = 0 [pid 6505] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6504] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6505] <... mkdirat resumed>) = 0 [pid 6505] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6504] <... futex resumed>) = 0 [pid 6505] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6504] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6504] <... futex resumed>) = 0 [pid 6505] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6504] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6505] <... symlinkat resumed>) = 0 [pid 6505] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6504] <... futex resumed>) = 0 [pid 6505] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6504] close(3 [pid 6507] <... munmap resumed>) = 0 [pid 6504] <... close resumed>) = 0 [pid 6501] close(20 [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6507] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6504] close(4 [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] close(26 [pid 5079] lstat("./117/file0", [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6507] <... openat resumed>) = 4 [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6501] close(21 [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] close(3 [pid 6507] ioctl(4, LOOP_SET_FD, 3 [pid 6504] close(5 [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] close(27 [pid 5079] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... close resumed>) = 0 [pid 6507] <... ioctl resumed>) = 0 [pid 6501] close(22 [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6508 attached [pid 6507] close(3 [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] close(28 [pid 5079] openat(AT_FDCWD, "./117/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6508] set_robust_list(0x5555562845e0, 24 [pid 6507] <... close resumed>) = 0 [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6501] close(23 [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6508] <... set_robust_list resumed>) = 0 [pid 6507] mkdir("./file0", 0777 [pid 6504] close(6 [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] close(29 [pid 5079] <... openat resumed>) = 4 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 234 [pid 6508] chdir("./116" [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6501] close(24 [pid 6500] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] fstat(4, [pid 6508] <... chdir resumed>) = 0 [pid 6504] close(7 [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] exit_group(0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6507] <... mkdir resumed>) = 0 [pid 6502] <... futex resumed>) = ? [pid 6501] close(25 [pid 6500] <... exit_group resumed>) = ? [pid 5079] getdents64(4, [pid 6508] <... prctl resumed>) = 0 [pid 6507] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6504] close(8 [pid 6502] +++ exited with 0 +++ [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6500] +++ exited with 0 +++ [pid 6508] setpgid(0, 0 [pid 6504] close(9 [pid 6501] close(26 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6508] <... setpgid resumed>) = 0 [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(4, [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [pid 6508] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6504] close(10 [pid 6501] close(27 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 6508] <... symlink resumed>) = 0 [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(4 [pid 5075] <... restart_syscall resumed>) = 0 [pid 6508] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6504] close(11 [pid 6501] close(28 [pid 5079] <... close resumed>) = 0 [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6504] close(12 [pid 5075] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6504] close(13 [pid 5075] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... openat resumed>) = 3 [pid 6504] close(14 [pid 5075] fstat(3, [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6504] close(15 [pid 5075] getdents64(3, [pid 6508] <... symlink resumed>) = 0 [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./117/file0" [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6508] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6504] close(16 [pid 6501] close(29 [pid 5075] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6508] <... symlink resumed>) = 0 [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6501] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... rmdir resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6504] close(17 [pid 6501] exit_group(0 [pid 5079] umount2("./117/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] lstat("./111/binderfs", [pid 6508] <... openat resumed>) = 3 [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6503] <... futex resumed>) = ? [pid 6501] <... exit_group resumed>) = ? [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6508] write(3, "1000", 4 [pid 6504] close(18 [pid 6503] +++ exited with 0 +++ [pid 5075] unlink("./111/binderfs" [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... unlink resumed>) = 0 [pid 6508] <... write resumed>) = 4 [pid 6504] close(19 [pid 6501] +++ exited with 0 +++ [pid 5079] lstat("./117/cgroup.cpu", [pid 5075] umount2("./111/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6508] close(3 [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6508] <... close resumed>) = 0 [pid 6504] close(20 [pid 5079] unlink("./117/cgroup.cpu" [pid 5075] lstat("./111/cgroup", [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 6508] symlink("/dev/binderfs", "./binderfs" [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6508] <... symlink resumed>) = 0 [pid 6504] close(21 [pid 5079] getdents64(3, [pid 5075] unlink("./111/cgroup" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6508] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6508] <... futex resumed>) = 0 [pid 6504] close(22 [pid 5079] close(3 [pid 5075] umount2("./111/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... openat resumed>) = 3 [pid 6508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] fstat(3, [pid 6508] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6504] close(23 [pid 5079] rmdir("./117" [pid 5075] lstat("./111/cgroup.net", [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6508] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... rmdir resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] getdents64(3, [pid 6508] <... mprotect resumed>) = 0 [pid 6504] close(24 [pid 5079] mkdir("./118", 0777 [ 186.974538][ T6507] loop4: detected capacity change from 0 to 4096 [pid 5075] unlink("./111/cgroup.net" [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6508] 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 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... mkdir resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6509 attached [pid 6504] close(25 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5075] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6509] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6508] <... clone resumed>, parent_tid=[235], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 235 [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 5074] lstat("./110/binderfs", [pid 6509] <... set_robust_list resumed>) = 0 [pid 6508] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] <... mount resumed>) = 0 [pid 6504] close(26 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6509] memfd_create("syzkaller", 0 [pid 6508] <... futex resumed>) = 0 [pid 6507] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6509] <... memfd_create resumed>) = 3 [pid 6508] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6507] <... openat resumed>) = 3 [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(3 [pid 6509] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6507] chdir("./file0" [pid 5079] <... close resumed>) = 0 [pid 6509] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6507] <... chdir resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6510 attached [pid 6507] ioctl(4, LOOP_CLR_FD [pid 6504] close(27 [pid 5075] <... umount2 resumed>) = 0 [pid 5074] unlink("./110/binderfs" [pid 6510] set_robust_list(0x5555562845e0, 24 [pid 6507] <... ioctl resumed>) = 0 [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 238 [pid 6510] <... set_robust_list resumed>) = 0 [pid 6507] close(4 [pid 6504] close(28 [pid 5074] <... unlink resumed>) = 0 [pid 6510] chdir("./118" [pid 6507] <... close resumed>) = 0 [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./110/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6510] <... chdir resumed>) = 0 [pid 6507] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] close(29 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6507] <... futex resumed>) = 1 [pid 6506] <... futex resumed>) = 0 [pid 6504] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./110/cgroup", [pid 6510] <... prctl resumed>) = 0 [pid 6507] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6506] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] exit_group(0 [pid 6510] setpgid(0, 0 [pid 6507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6506] <... futex resumed>) = 0 [pid 6505] <... futex resumed>) = ? [pid 6504] <... exit_group resumed>) = ? [pid 5075] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6510] <... setpgid resumed>) = 0 [pid 6507] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6506] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6510] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6510] <... symlink resumed>) = 0 [pid 6505] +++ exited with 0 +++ [pid 6504] +++ exited with 0 +++ [pid 5075] lstat("./111/file0", [pid 5074] unlink("./110/cgroup" [pid 6510] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6510] <... symlink resumed>) = 0 [pid 5077] restart_syscall(<... resuming interrupted clone ...> [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 6510] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5077] <... restart_syscall resumed>) = 0 [pid 5075] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./110/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6510] <... symlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] openat(AT_FDCWD, "./111/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] lstat("./110/cgroup.net", [pid 6510] <... openat resumed>) = 3 [pid 5077] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... openat resumed>) = 4 [pid 6510] write(3, "1000", 4 [pid 6507] <... mkdirat resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] fstat(4, [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6510] <... write resumed>) = 4 [pid 6509] 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 6507] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] unlink("./110/cgroup.net" [pid 6510] close(3 [pid 6507] <... futex resumed>) = 1 [pid 6506] <... futex resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 5075] getdents64(4, [pid 6510] <... close resumed>) = 0 [pid 6507] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6506] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] fstat(3, [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] <... unlink resumed>) = 0 [pid 6510] symlink("/dev/binderfs", "./binderfs" [pid 6507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6506] <... futex resumed>) = 0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] getdents64(4, [pid 5074] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6510] <... symlink resumed>) = 0 [pid 6507] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6506] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] getdents64(3, [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6510] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] <... symlinkat resumed>) = 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] close(4 [pid 6510] <... futex resumed>) = 0 [pid 6507] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... close resumed>) = 0 [pid 6510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6507] <... futex resumed>) = 1 [pid 6506] <... futex resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] rmdir("./111/file0" [pid 6510] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6507] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6506] close(3 [pid 5077] lstat("./113/binderfs", [pid 5075] <... rmdir resumed>) = 0 [pid 6510] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6506] <... close resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] umount2("./111/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6510] <... mprotect resumed>) = 0 [pid 6506] close(4 [pid 5077] unlink("./113/binderfs" [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = 0 [pid 6510] 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 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 5075] lstat("./111/cgroup.cpu", [pid 6506] close(5 [pid 5077] umount2("./113/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6510] <... clone resumed>, parent_tid=[239], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 239 [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] unlink("./111/cgroup.cpu"./strace-static-x86_64: Process 6511 attached [pid 6510] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] close(6 [pid 5077] lstat("./113/cgroup", [pid 5075] <... unlink resumed>) = 0 [pid 6511] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6510] <... futex resumed>) = 0 [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] getdents64(3, [pid 6511] <... set_robust_list resumed>) = 0 [pid 6510] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6506] close(7 [pid 5077] unlink("./113/cgroup" [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 5075] close(3 [pid 6506] close(8 [pid 5077] umount2("./113/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... close resumed>) = 0 [pid 6511] memfd_create("syzkaller", 0 [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] rmdir("./111" [pid 6506] close(9 [pid 5077] lstat("./113/cgroup.net", [pid 5075] <... rmdir resumed>) = 0 [pid 6511] <... memfd_create resumed>) = 3 [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] mkdir("./112", 0777 [pid 6511] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6506] close(10 [pid 5077] unlink("./113/cgroup.net" [pid 5075] <... mkdir resumed>) = 0 [pid 5074] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6506] close(11 [pid 5077] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... openat resumed>) = 3 [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6506] close(12 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] close(3 [pid 6506] close(13 [pid 5075] <... close resumed>) = 0 [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6512 attached [pid 6506] close(14 [pid 6512] set_robust_list(0x5555562845e0, 24 [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 226 [pid 6512] <... set_robust_list resumed>) = 0 [pid 6506] close(15 [pid 6512] chdir("./112" [pid 6511] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6512] <... chdir resumed>) = 0 [pid 6506] close(16 [pid 6512] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... prctl resumed>) = 0 [pid 6506] close(17 [pid 6512] setpgid(0, 0 [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... setpgid resumed>) = 0 [pid 6506] close(18 [pid 6512] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... symlink resumed>) = 0 [pid 6506] close(19 [pid 6512] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... symlink resumed>) = 0 [pid 6506] close(20 [pid 6512] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... symlink resumed>) = 0 [pid 6506] close(21 [pid 6512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... openat resumed>) = 3 [pid 6506] close(22 [pid 6512] write(3, "1000", 4 [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... write resumed>) = 4 [pid 6506] close(23 [pid 6512] close(3 [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... close resumed>) = 0 [pid 6506] close(24 [pid 6512] symlink("/dev/binderfs", "./binderfs" [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... symlink resumed>) = 0 [pid 6506] close(25 [pid 6512] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... futex resumed>) = 0 [pid 6506] close(26 [pid 6512] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6506] close(27 [pid 6512] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... mprotect resumed>) = 0 [pid 6506] close(28 [pid 6512] 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 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./110/file0", ./strace-static-x86_64: Process 6513 attached [pid 6506] close(29 [pid 6513] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6512] <... clone resumed>, parent_tid=[227], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 227 [pid 6506] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6513] <... set_robust_list resumed>) = 0 [pid 6512] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] exit_group(0 [pid 6513] memfd_create("syzkaller", 0 [pid 6512] <... futex resumed>) = 0 [pid 6507] <... futex resumed>) = ? [pid 6506] <... exit_group resumed>) = ? [pid 6513] <... memfd_create resumed>) = 3 [pid 6512] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6507] +++ exited with 0 +++ [pid 6506] +++ exited with 0 +++ [pid 5074] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6513] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6509] <... write resumed>) = 2097152 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6513] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=220, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6509] munmap(0x7f7a51cd9000, 2097152 [pid 5076] umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] openat(AT_FDCWD, "./110/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6509] <... munmap resumed>) = 0 [pid 5076] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... openat resumed>) = 4 [pid 5076] <... openat resumed>) = 3 [pid 5074] fstat(4, [pid 5076] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] getdents64(4, [pid 5076] umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6511] 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] <... umount2 resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6513] 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 6509] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5076] lstat("./109/binderfs", [pid 5077] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(4, [pid 6509] ioctl(4, LOOP_SET_FD, 3 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5077] lstat("./113/file0", [pid 5076] unlink("./109/binderfs" [pid 5074] close(4 [pid 5076] <... unlink resumed>) = 0 [pid 5076] umount2("./109/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./109/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] unlink("./109/cgroup") = 0 [pid 5076] umount2("./109/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... close resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] rmdir("./110/file0" [pid 5076] lstat("./109/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] unlink("./109/cgroup.net" [pid 5074] <... rmdir resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5074] umount2("./110/cgroup.cpu", 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 5076] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./110/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] unlink("./110/cgroup.cpu" [pid 5077] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] <... unlink resumed>) = 0 [pid 6509] <... ioctl resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./113/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] getdents64(3, [pid 5077] <... openat resumed>) = 4 [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6509] close(3 [pid 5077] fstat(4, [pid 5074] close(3) = 0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6509] <... close resumed>) = 0 [pid 5074] rmdir("./110" [pid 5077] getdents64(4, [pid 6509] mkdir("./file0", 0777 [pid 5074] <... rmdir resumed>) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6511] <... write resumed>) = 2097152 [pid 6509] <... mkdir resumed>) = 0 [pid 5077] getdents64(4, [pid 5074] mkdir("./111", 0777 [pid 6511] munmap(0x7f7a51cd9000, 2097152 [pid 6509] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] <... mkdir resumed>) = 0 [pid 5076] <... umount2 resumed>) = 0 [pid 5076] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] close(4 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5077] <... close resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5076] lstat("./109/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] rmdir("./113/file0" [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5077] <... rmdir resumed>) = 0 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 187.254225][ T6509] loop1: detected capacity change from 0 to 4096 [pid 5076] openat(AT_FDCWD, "./109/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] umount2("./113/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] close(3 [pid 5076] <... openat resumed>) = 4 [pid 5076] fstat(4, [pid 5074] <... close resumed>) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] close(4) = 0 [pid 6511] <... munmap resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] lstat("./113/cgroup.cpu", [pid 5076] rmdir("./109/file0"./strace-static-x86_64: Process 6514 attached [pid 6514] set_robust_list(0x5555562845e0, 24 [pid 6511] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6514] <... set_robust_list resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 224 [pid 6514] chdir("./111" [pid 5077] unlink("./113/cgroup.cpu" [pid 6514] <... chdir resumed>) = 0 [pid 6511] <... openat resumed>) = 4 [pid 6514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6514] setpgid(0, 0) = 0 [pid 6514] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6514] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5077] <... unlink resumed>) = 0 [pid 6511] ioctl(4, LOOP_SET_FD, 3 [pid 6514] <... symlink resumed>) = 0 [pid 5077] getdents64(3, [pid 6514] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5076] <... rmdir resumed>) = 0 [pid 6514] <... symlink resumed>) = 0 [pid 6514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5076] umount2("./109/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6514] write(3, "1000", 4) = 4 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6514] close(3 [pid 5077] close(3 [pid 6514] <... close resumed>) = 0 [pid 5076] lstat("./109/cgroup.cpu", [pid 6514] symlink("/dev/binderfs", "./binderfs" [pid 5077] <... close resumed>) = 0 [pid 6514] <... symlink resumed>) = 0 [pid 5077] rmdir("./113" [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6514] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] unlink("./109/cgroup.cpu" [pid 6514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5077] mkdir("./114", 0777 [pid 6514] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5076] <... unlink resumed>) = 0 [pid 6514] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5077] <... mkdir resumed>) = 0 [pid 5076] getdents64(3, [pid 6514] 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(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6515 attached [pid 5077] <... openat resumed>) = 3 [pid 5076] close(3 [pid 6515] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6514] <... clone resumed>, parent_tid=[225], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 225 [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] <... close resumed>) = 0 [pid 6515] <... set_robust_list resumed>) = 0 [pid 6514] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] rmdir("./109" [pid 6515] memfd_create("syzkaller", 0 [pid 6514] <... futex resumed>) = 0 [pid 5077] close(3 [pid 5076] <... rmdir resumed>) = 0 [pid 6515] <... memfd_create resumed>) = 3 [pid 6514] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5077] <... close resumed>) = 0 [pid 5076] mkdir("./110", 0777 [pid 6515] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6516 attached [pid 6515] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6516] set_robust_list(0x5555562845e0, 24 [pid 6511] <... ioctl resumed>) = 0 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 230 [pid 5076] <... openat resumed>) = 3 [pid 6516] <... set_robust_list resumed>) = 0 [pid 6513] <... write resumed>) = 2097152 [pid 6511] close(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 6517 attached [pid 6516] chdir("./114" [pid 6511] <... close resumed>) = 0 [pid 6513] munmap(0x7f7a51cd9000, 2097152 [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 222 [pid 6517] set_robust_list(0x5555562845e0, 24 [pid 6516] <... chdir resumed>) = 0 [pid 6511] mkdir("./file0", 0777 [pid 6517] <... set_robust_list resumed>) = 0 [pid 6516] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6511] <... mkdir resumed>) = 0 [ 187.334717][ T6511] loop2: detected capacity change from 0 to 4096 [pid 6517] chdir("./110" [pid 6516] <... prctl resumed>) = 0 [pid 6511] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6516] setpgid(0, 0 [pid 6517] <... chdir resumed>) = 0 [pid 6517] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6516] <... setpgid resumed>) = 0 [pid 6513] <... munmap resumed>) = 0 [pid 6509] <... mount resumed>) = 0 [pid 6517] <... prctl resumed>) = 0 [pid 6516] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6513] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6517] setpgid(0, 0 [pid 6516] <... symlink resumed>) = 0 [pid 6513] <... openat resumed>) = 4 [pid 6516] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6513] ioctl(4, LOOP_SET_FD, 3 [pid 6517] <... setpgid resumed>) = 0 [pid 6516] <... symlink resumed>) = 0 [pid 6509] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6517] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6516] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6517] <... symlink resumed>) = 0 [pid 6516] <... symlink resumed>) = 0 [pid 6517] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6517] <... symlink resumed>) = 0 [pid 6516] <... openat resumed>) = 3 [pid 6516] write(3, "1000", 4 [pid 6517] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6516] <... write resumed>) = 4 [pid 6516] close(3) = 0 [pid 6517] <... symlink resumed>) = 0 [pid 6516] symlink("/dev/binderfs", "./binderfs" [pid 6517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6516] <... symlink resumed>) = 0 [pid 6516] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] <... openat resumed>) = 3 [pid 6516] <... futex resumed>) = 0 [pid 6516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6517] write(3, "1000", 4 [pid 6516] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6516] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6517] <... write resumed>) = 4 [pid 6516] <... mprotect resumed>) = 0 [pid 6517] close(3 [pid 6516] 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 6509] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6518 attached [pid 6518] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6516] <... clone resumed>, parent_tid=[231], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 231 [pid 6518] <... set_robust_list resumed>) = 0 [pid 6516] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] memfd_create("syzkaller", 0 [pid 6516] <... futex resumed>) = 0 [pid 6518] <... memfd_create resumed>) = 3 [pid 6517] <... close resumed>) = 0 [pid 6516] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6509] chdir("./file0" [pid 6518] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6517] symlink("/dev/binderfs", "./binderfs" [pid 6518] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6509] <... chdir resumed>) = 0 [pid 6517] <... symlink resumed>) = 0 [pid 6513] <... ioctl resumed>) = 0 [pid 6509] ioctl(4, LOOP_CLR_FD [pid 6517] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6513] close(3 [pid 6517] <... futex resumed>) = 0 [pid 6513] <... close resumed>) = 0 [pid 6509] <... ioctl resumed>) = 0 [pid 6517] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6509] close(4 [pid 6513] mkdir("./file0", 0777 [pid 6517] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6513] <... mkdir resumed>) = 0 [pid 6509] <... close resumed>) = 0 [pid 6517] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6513] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6509] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] <... mprotect resumed>) = 0 [pid 6509] <... futex resumed>) = 1 [pid 6508] <... futex resumed>) = 0 [pid 6517] 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 6509] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6508] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6519 attached ) = 0 [pid 6519] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6517] <... clone resumed>, parent_tid=[223], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 223 [pid 6509] <... mkdirat resumed>) = 0 [pid 6508] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6519] <... set_robust_list resumed>) = 0 [pid 6517] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6509] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] memfd_create("syzkaller", 0 [pid 6517] <... futex resumed>) = 0 [pid 6509] <... futex resumed>) = 1 [pid 6508] <... futex resumed>) = 0 [pid 6519] <... memfd_create resumed>) = 3 [pid 6517] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6509] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6508] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6509] <... symlinkat resumed>) = 0 [pid 6508] <... futex resumed>) = 0 [pid 6519] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6509] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6515] 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 6508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6508] close(3 [pid 6509] <... futex resumed>) = 0 [pid 6509] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6508] <... close resumed>) = 0 [ 187.414565][ T6513] loop3: detected capacity change from 0 to 4096 [pid 6508] close(4) = -1 EBADF (Bad file descriptor) [pid 6508] close(5) = -1 EBADF (Bad file descriptor) [pid 6508] close(6) = -1 EBADF (Bad file descriptor) [pid 6508] close(7) = -1 EBADF (Bad file descriptor) [pid 6508] close(8) = -1 EBADF (Bad file descriptor) [pid 6508] close(9) = -1 EBADF (Bad file descriptor) [pid 6508] close(10) = -1 EBADF (Bad file descriptor) [pid 6508] close(11 [pid 6511] <... mount resumed>) = 0 [pid 6508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6511] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6508] close(12 [pid 6511] <... openat resumed>) = 3 [pid 6508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6508] close(13) = -1 EBADF (Bad file descriptor) [pid 6508] close(14) = -1 EBADF (Bad file descriptor) [pid 6511] chdir("./file0" [pid 6508] close(15 [pid 6511] <... chdir resumed>) = 0 [pid 6508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6511] ioctl(4, LOOP_CLR_FD [pid 6508] close(16 [pid 6513] <... mount resumed>) = 0 [pid 6511] <... ioctl resumed>) = 0 [pid 6508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6513] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6508] close(17 [pid 6513] <... openat resumed>) = 3 [pid 6511] close(4 [pid 6508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6513] chdir("./file0" [pid 6508] close(18 [pid 6511] <... close resumed>) = 0 [pid 6513] <... chdir resumed>) = 0 [pid 6511] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6518] 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 6513] ioctl(4, LOOP_CLR_FD [pid 6511] <... futex resumed>) = 1 [pid 6510] <... futex resumed>) = 0 [pid 6508] close(19 [pid 6513] <... ioctl resumed>) = 0 [pid 6511] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6510] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6513] close(4 [pid 6511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6510] <... futex resumed>) = 0 [pid 6508] close(20 [pid 6513] <... close resumed>) = 0 [pid 6511] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6510] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6513] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] close(21 [pid 6513] <... futex resumed>) = 1 [pid 6512] <... futex resumed>) = 0 [pid 6508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6519] 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 6513] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6512] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] <... mkdirat resumed>) = 0 [pid 6508] close(22 [pid 6513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6512] <... futex resumed>) = 0 [pid 6511] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6513] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6512] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6511] <... futex resumed>) = 1 [pid 6510] <... futex resumed>) = 0 [pid 6508] close(23 [pid 6511] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6510] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6510] <... futex resumed>) = 0 [pid 6508] close(24 [pid 6511] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6510] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6508] close(25) = -1 EBADF (Bad file descriptor) [pid 6508] close(26) = -1 EBADF (Bad file descriptor) [pid 6508] close(27) = -1 EBADF (Bad file descriptor) [pid 6513] <... mkdirat resumed>) = 0 [pid 6508] close(28 [pid 6513] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6513] <... futex resumed>) = 1 [pid 6512] <... futex resumed>) = 0 [pid 6508] close(29 [pid 6513] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6512] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6512] <... futex resumed>) = 0 [pid 6508] exit_group(0 [pid 6513] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6512] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6509] <... futex resumed>) = ? [pid 6508] <... exit_group resumed>) = ? [pid 6515] <... write resumed>) = 2097152 [pid 6513] <... symlinkat resumed>) = 0 [pid 6511] <... symlinkat resumed>) = 0 [pid 6515] munmap(0x7f7a51cd9000, 2097152 [pid 6513] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6512] <... futex resumed>) = 0 [pid 6511] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6509] +++ exited with 0 +++ [pid 6508] +++ exited with 0 +++ [pid 6513] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6512] close(3 [pid 6511] <... futex resumed>) = 1 [pid 6510] <... futex resumed>) = 0 [pid 6512] <... close resumed>) = 0 [pid 6511] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6510] close(3 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6515] <... munmap resumed>) = 0 [pid 6512] close(4 [pid 6510] <... close resumed>) = 0 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 6518] <... write resumed>) = 2097152 [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(4 [pid 5078] <... restart_syscall resumed>) = 0 [pid 6515] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6512] close(5 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6515] <... openat resumed>) = 4 [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(5 [pid 6515] ioctl(4, LOOP_SET_FD, 3 [pid 6512] close(6 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(6 [pid 5078] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6512] close(7 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(7 [pid 6512] close(8 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(8 [pid 6512] close(9 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(9 [pid 6512] close(10 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 3 [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(10 [pid 5078] fstat(3, [pid 6512] close(11 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(11 [pid 5078] getdents64(3, [pid 6512] close(12 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(12 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6512] close(13 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(13 [pid 5078] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6512] close(14 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(14 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6512] close(15 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./116/binderfs", [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(15 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6512] close(16 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6515] <... ioctl resumed>) = 0 [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(16 [pid 6515] close(3 [pid 6512] close(17 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./116/binderfs" [pid 6518] munmap(0x7f7a51cd9000, 2097152 [pid 6515] <... close resumed>) = 0 [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(17 [pid 5078] <... unlink resumed>) = 0 [pid 6515] mkdir("./file0", 0777 [pid 6512] close(18 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./116/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6515] <... mkdir resumed>) = 0 [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(18 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6518] <... munmap resumed>) = 0 [pid 6515] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6512] close(19 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./116/cgroup", [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(19 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6512] close(20 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./116/cgroup" [pid 6518] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(20 [pid 5078] <... unlink resumed>) = 0 [pid 6518] <... openat resumed>) = 4 [pid 6512] close(21 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./116/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6518] ioctl(4, LOOP_SET_FD, 3 [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(21 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6519] <... write resumed>) = 2097152 [pid 6512] close(22 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./116/cgroup.net", [pid 6519] munmap(0x7f7a51cd9000, 2097152 [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(22 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6512] close(23 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./116/cgroup.net" [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(23 [pid 6512] close(24 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(24 [pid 5078] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6512] close(25 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(25 [pid 6512] close(26 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(26 [pid 6519] <... munmap resumed>) = 0 [pid 6512] close(27 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(27 [pid 6519] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6512] close(28 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6519] <... openat resumed>) = 4 [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(28 [pid 6519] ioctl(4, LOOP_SET_FD, 3 [pid 6512] close(29 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 187.611989][ T6515] loop0: detected capacity change from 0 to 4096 [ 187.651070][ T6518] loop5: detected capacity change from 0 to 4096 [pid 6512] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6510] close(29 [pid 6512] exit_group(0 [pid 6510] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6518] <... ioctl resumed>) = 0 [pid 6513] <... futex resumed>) = ? [pid 6512] <... exit_group resumed>) = ? [pid 6510] exit_group(0 [pid 6519] <... ioctl resumed>) = 0 [pid 6518] close(3 [pid 6515] <... mount resumed>) = 0 [pid 6513] +++ exited with 0 +++ [pid 6512] +++ exited with 0 +++ [pid 6511] <... futex resumed>) = ? [pid 6510] <... exit_group resumed>) = ? [pid 5078] <... umount2 resumed>) = 0 [pid 6518] <... close resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6518] mkdir("./file0", 0777 [pid 6519] close(3 [pid 6518] <... mkdir resumed>) = 0 [pid 6515] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6518] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6519] <... close resumed>) = 0 [pid 6515] <... openat resumed>) = 3 [pid 6511] +++ exited with 0 +++ [pid 6510] +++ exited with 0 +++ [pid 5075] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5075] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6519] mkdir("./file0", 0777 [pid 6515] chdir("./file0" [pid 5079] <... restart_syscall resumed>) = 0 [pid 5078] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... openat resumed>) = 3 [pid 5075] fstat(3, [pid 6519] <... mkdir resumed>) = 0 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] getdents64(3, [pid 6519] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6515] <... chdir resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6515] ioctl(4, LOOP_CLR_FD [pid 5079] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6515] <... ioctl resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5078] lstat("./116/file0", [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6515] close(4 [pid 5079] fstat(3, [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 187.679227][ T6519] loop4: detected capacity change from 0 to 4096 [pid 5075] lstat("./112/binderfs", [pid 6515] <... close resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] getdents64(3, [pid 5075] unlink("./112/binderfs" [pid 6515] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... unlink resumed>) = 0 [pid 6515] <... futex resumed>) = 1 [pid 6514] <... futex resumed>) = 0 [pid 5079] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] openat(AT_FDCWD, "./116/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] umount2("./112/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6515] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6514] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... openat resumed>) = 4 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6519] <... mount resumed>) = 0 [pid 6518] <... mount resumed>) = 0 [pid 6515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6514] <... futex resumed>) = 0 [pid 5079] lstat("./118/binderfs", [pid 5078] fstat(4, [pid 5075] lstat("./112/cgroup", [pid 6519] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6518] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6515] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6514] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [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 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6519] <... openat resumed>) = 3 [pid 6518] <... openat resumed>) = 3 [pid 6515] <... mkdirat resumed>) = 0 [pid 5079] unlink("./118/binderfs" [pid 5078] getdents64(4, [pid 5075] unlink("./112/cgroup" [pid 6519] chdir("./file0" [pid 6518] chdir("./file0" [pid 6515] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6519] <... chdir resumed>) = 0 [pid 6518] <... chdir resumed>) = 0 [pid 6515] <... futex resumed>) = 1 [pid 6514] <... futex resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] getdents64(4, [pid 5075] <... unlink resumed>) = 0 [pid 6519] ioctl(4, LOOP_CLR_FD [pid 6518] ioctl(4, LOOP_CLR_FD [pid 6515] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6514] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./118/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] umount2("./112/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6519] <... ioctl resumed>) = 0 [pid 6518] <... ioctl resumed>) = 0 [pid 6515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6514] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] close(4 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6519] close(4 [pid 6518] close(4 [pid 6515] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6514] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] lstat("./118/cgroup", [pid 5078] <... close resumed>) = 0 [pid 6519] <... close resumed>) = 0 [pid 6518] <... close resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] rmdir("./116/file0" [pid 5075] lstat("./112/cgroup.net", [pid 6519] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] unlink("./118/cgroup" [pid 5078] <... rmdir resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6519] <... futex resumed>) = 1 [pid 6518] <... futex resumed>) = 1 [pid 6517] <... futex resumed>) = 0 [pid 6516] <... futex resumed>) = 0 [pid 6515] <... symlinkat resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] umount2("./116/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] unlink("./112/cgroup.net" [pid 6519] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6518] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6517] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6516] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6515] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./118/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6517] <... futex resumed>) = 0 [pid 6515] <... futex resumed>) = 1 [pid 5078] lstat("./116/cgroup.cpu", [pid 5075] <... unlink resumed>) = 0 [pid 6519] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6518] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6517] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6515] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6519] <... mkdirat resumed>) = 0 [pid 6518] <... mkdirat resumed>) = 0 [pid 6516] <... futex resumed>) = 0 [pid 6514] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] unlink("./116/cgroup.cpu" [pid 6519] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6516] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6514] close(3 [pid 5079] lstat("./118/cgroup.net", [pid 5078] <... unlink resumed>) = 0 [pid 6519] <... futex resumed>) = 1 [pid 6518] <... futex resumed>) = 0 [pid 6517] <... futex resumed>) = 0 [pid 6516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6514] <... close resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] getdents64(3, [pid 5075] <... umount2 resumed>) = 0 [pid 6519] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6518] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6517] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6516] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6514] close(4 [pid 5079] unlink("./118/cgroup.net" [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6519] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6517] <... futex resumed>) = 0 [pid 6516] <... futex resumed>) = 0 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5078] close(3 [pid 6519] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6518] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6517] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6516] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6514] close(5 [pid 5079] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... close resumed>) = 0 [pid 6519] <... symlinkat resumed>) = 0 [pid 6518] <... symlinkat resumed>) = 0 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] rmdir("./116" [pid 6519] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6514] close(6 [pid 5078] <... rmdir resumed>) = 0 [pid 6519] <... futex resumed>) = 1 [pid 6518] <... futex resumed>) = 1 [pid 6517] <... futex resumed>) = 0 [pid 5078] mkdir("./117", 0777 [pid 6519] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6518] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6517] close(3 [pid 5078] <... mkdir resumed>) = 0 [pid 6517] <... close resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6517] close(4 [pid 6516] <... futex resumed>) = 0 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 3 [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] close(3 [pid 6514] close(7 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6517] close(5 [pid 6516] <... close resumed>) = 0 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] close(4 [pid 6514] close(8 [pid 5079] <... umount2 resumed>) = 0 [pid 5078] close(3 [pid 6517] close(6 [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = 0 [pid 5075] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] close(5 [pid 6514] close(9 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6520 attached [pid 6517] close(7 [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6520] set_robust_list(0x5555562845e0, 24 [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] close(6 [pid 6514] close(10 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 236 [pid 5075] lstat("./112/file0", [pid 6520] <... set_robust_list resumed>) = 0 [pid 6517] close(8 [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./118/file0", [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6520] chdir("./117" [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] close(7 [pid 6514] close(11 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6520] <... chdir resumed>) = 0 [pid 6517] close(9 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] openat(AT_FDCWD, "./112/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6517] close(10 [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... openat resumed>) = 4 [pid 6520] <... prctl resumed>) = 0 [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] close(8 [pid 6514] close(12 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] fstat(4, [pid 6520] setpgid(0, 0 [pid 6517] close(11 [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] openat(AT_FDCWD, "./118/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] close(13 [pid 5075] getdents64(4, [pid 6520] <... setpgid resumed>) = 0 [pid 6517] close(12 [pid 6516] close(9 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 4 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6520] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] close(14 [pid 5079] fstat(4, [pid 5075] getdents64(4, [pid 6520] <... symlink resumed>) = 0 [pid 6517] close(13 [pid 6516] close(10 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6520] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] close(15 [pid 5079] getdents64(4, [pid 5075] close(4 [pid 6520] <... symlink resumed>) = 0 [pid 6517] close(14 [pid 6516] close(11 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] <... close resumed>) = 0 [pid 6520] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] close(16 [pid 5079] getdents64(4, [pid 5075] rmdir("./112/file0" [pid 6520] <... symlink resumed>) = 0 [pid 6517] close(15 [pid 6516] close(12 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] close(17 [pid 5079] close(4 [pid 5075] <... rmdir resumed>) = 0 [pid 6520] <... openat resumed>) = 3 [pid 6517] close(16 [pid 6516] close(13 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 5075] umount2("./112/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6520] write(3, "1000", 4 [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] close(18 [pid 5079] rmdir("./118/file0" [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6520] <... write resumed>) = 4 [pid 6517] close(17 [pid 6516] close(14 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... rmdir resumed>) = 0 [pid 5075] lstat("./112/cgroup.cpu", [pid 6520] close(3 [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] close(19 [pid 5079] umount2("./118/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6520] <... close resumed>) = 0 [pid 6517] close(18 [pid 6516] close(15 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6520] symlink("/dev/binderfs", "./binderfs" [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] close(20 [pid 5079] lstat("./118/cgroup.cpu", [pid 5075] unlink("./112/cgroup.cpu" [pid 6520] <... symlink resumed>) = 0 [pid 6517] close(19 [pid 6516] close(16 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6520] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] close(21 [pid 5079] unlink("./118/cgroup.cpu" [pid 5075] getdents64(3, [pid 6520] <... futex resumed>) = 0 [pid 6517] close(20 [pid 6516] close(17 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] close(22 [pid 5079] getdents64(3, [pid 5075] close(3 [pid 6520] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6517] close(21 [pid 6516] close(18 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] <... close resumed>) = 0 [pid 6520] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] close(23 [pid 5079] close(3 [pid 5075] rmdir("./112" [pid 6520] <... mprotect resumed>) = 0 [pid 6517] close(22 [pid 6516] close(19 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 6520] 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 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] close(24 [pid 5079] rmdir("./118" [pid 5075] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6521 attached [pid 6517] close(23 [pid 6516] close(20 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] mkdir("./113", 0777 [pid 6521] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6520] <... clone resumed>, parent_tid=[237], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 237 [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] close(25 [pid 5079] <... rmdir resumed>) = 0 [pid 5075] <... mkdir resumed>) = 0 [pid 6521] <... set_robust_list resumed>) = 0 [pid 6520] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] close(24 [pid 6516] close(21 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] mkdir("./119", 0777 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6521] memfd_create("syzkaller", 0 [pid 6520] <... futex resumed>) = 0 [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] close(26 [pid 5079] <... mkdir resumed>) = 0 [pid 5075] <... openat resumed>) = 3 [pid 6521] <... memfd_create resumed>) = 3 [pid 6520] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6517] close(25 [pid 6516] close(22 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6521] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] close(27 [pid 5079] <... openat resumed>) = 3 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6521] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6517] close(26 [pid 6516] close(23 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5075] close(3 [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] close(28 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] <... close resumed>) = 0 [pid 6517] close(27 [pid 6516] close(24 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(3 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] close(29 [pid 5079] <... close resumed>) = 0 [pid 6516] close(25 [pid 6514] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6522 attached [pid 6517] close(28 [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] exit_group(0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6522] set_robust_list(0x5555562845e0, 24 [pid 6521] 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 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] close(26 [pid 6515] <... futex resumed>) = ? [pid 6514] <... exit_group resumed>) = ? [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6523 attached [pid 6522] <... set_robust_list resumed>) = 0 [pid 6517] close(29 [pid 6516] close(27 [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 228 [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] close(28) = -1 EBADF (Bad file descriptor) [pid 6516] close(29 [pid 6517] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6516] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6515] +++ exited with 0 +++ [pid 6514] +++ exited with 0 +++ [pid 6522] chdir("./113" [pid 6523] set_robust_list(0x5555562845e0, 24 [pid 6517] exit_group(0 [pid 6516] exit_group(0 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 240 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6523] <... set_robust_list resumed>) = 0 [pid 6522] <... chdir resumed>) = 0 [pid 6519] <... futex resumed>) = ? [pid 6518] <... futex resumed>) = ? [pid 6517] <... exit_group resumed>) = ? [pid 6516] <... exit_group resumed>) = ? [pid 6523] chdir("./119" [pid 6522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6519] +++ exited with 0 +++ [pid 6518] +++ exited with 0 +++ [pid 6517] +++ exited with 0 +++ [pid 6516] +++ exited with 0 +++ [pid 6523] <... chdir resumed>) = 0 [pid 6522] <... prctl resumed>) = 0 [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=4 /* 0.04 s */} --- [pid 5074] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6523] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6522] setpgid(0, 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6523] <... prctl resumed>) = 0 [pid 6522] <... setpgid resumed>) = 0 [pid 5076] umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6523] setpgid(0, 0 [pid 6522] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5077] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... openat resumed>) = 3 [pid 6523] <... setpgid resumed>) = 0 [pid 6522] <... symlink resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] fstat(3, [pid 6523] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6522] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5077] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... openat resumed>) = 3 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6522] <... symlink resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 5076] fstat(3, [pid 5074] getdents64(3, [pid 6523] <... symlink resumed>) = 0 [pid 6522] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5077] fstat(3, [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6523] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6522] <... symlink resumed>) = 0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] getdents64(3, [pid 5074] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6523] <... symlink resumed>) = 0 [pid 6522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] getdents64(3, [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6523] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6522] <... openat resumed>) = 3 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./111/binderfs", [pid 6523] <... symlink resumed>) = 0 [pid 6522] write(3, "1000", 4 [pid 5077] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6522] <... write resumed>) = 4 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./110/binderfs", [pid 5074] unlink("./111/binderfs" [pid 6523] <... openat resumed>) = 3 [pid 6522] close(3 [pid 5077] lstat("./114/binderfs", [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 6523] write(3, "1000", 4 [pid 6522] <... close resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] unlink("./110/binderfs" [pid 5074] umount2("./111/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6523] <... write resumed>) = 4 [pid 6522] symlink("/dev/binderfs", "./binderfs" [pid 5077] unlink("./114/binderfs" [pid 5076] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6523] close(3 [pid 6522] <... symlink resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5076] umount2("./110/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./111/cgroup", [pid 6523] <... close resumed>) = 0 [pid 6522] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] umount2("./114/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6523] symlink("/dev/binderfs", "./binderfs" [pid 6522] <... futex resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./110/cgroup", [pid 5074] unlink("./111/cgroup" [pid 6523] <... symlink resumed>) = 0 [pid 6522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5077] lstat("./114/cgroup", [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 6523] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6522] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] unlink("./110/cgroup" [pid 5074] umount2("./111/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6523] <... futex resumed>) = 0 [pid 6522] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5077] unlink("./114/cgroup" [pid 5076] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6522] <... mprotect resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5076] umount2("./110/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./111/cgroup.net", [pid 6523] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6522] 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] umount2("./114/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6524 attached [pid 6523] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./110/cgroup.net", [pid 5074] unlink("./111/cgroup.net" [pid 6524] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6523] <... mprotect resumed>) = 0 [pid 6522] <... clone resumed>, parent_tid=[229], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 229 [pid 5077] lstat("./114/cgroup.net", [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 6524] <... set_robust_list resumed>) = 0 [pid 6523] 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 6522] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] unlink("./110/cgroup.net" [pid 5074] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6525 attached [pid 6524] memfd_create("syzkaller", 0 [pid 6522] <... futex resumed>) = 0 [pid 5077] unlink("./114/cgroup.net" [pid 5076] <... unlink resumed>) = 0 [pid 6525] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6524] <... memfd_create resumed>) = 3 [pid 6523] <... clone resumed>, parent_tid=[241], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 241 [pid 6522] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6521] <... write resumed>) = 2097152 [pid 5076] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 6525] <... set_robust_list resumed>) = 0 [pid 6524] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6523] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] munmap(0x7f7a51cd9000, 2097152 [pid 6524] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6525] memfd_create("syzkaller", 0 [pid 6523] <... futex resumed>) = 0 [pid 5077] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6523] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6525] <... memfd_create resumed>) = 3 [pid 6525] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 5074] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./111/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./111/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 6521] <... munmap resumed>) = 0 [pid 6521] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5074] close(4 [pid 6521] <... openat resumed>) = 4 [pid 6521] ioctl(4, LOOP_SET_FD, 3 [pid 5074] <... close resumed>) = 0 [pid 6521] <... ioctl resumed>) = 0 [pid 5074] rmdir("./111/file0") = 0 [pid 5074] umount2("./111/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./111/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] unlink("./111/cgroup.cpu") = 0 [pid 5074] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 [pid 6521] close(3 [pid 5074] close(3 [pid 6521] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 6521] mkdir("./file0", 0777 [pid 5074] rmdir("./111" [pid 6521] <... mkdir resumed>) = 0 [pid 5077] <... umount2 resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 6521] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5074] mkdir("./112", 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) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6526 attached [pid 6526] set_robust_list(0x5555562845e0, 24) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 226 [pid 6526] chdir("./112") = 0 [pid 6526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6526] setpgid(0, 0 [pid 5077] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6526] <... setpgid resumed>) = 0 [pid 6526] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = 0 [ 188.142464][ T6521] loop1: detected capacity change from 0 to 4096 [pid 6526] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5077] lstat("./114/file0", [pid 5076] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6526] <... symlink resumed>) = 0 [pid 6525] 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 6524] 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] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6526] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5077] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] lstat("./110/file0", [pid 6526] <... symlink resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6521] <... mount resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./114/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6526] <... openat resumed>) = 3 [pid 6524] <... write resumed>) = 2097152 [pid 6521] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5077] <... openat resumed>) = 4 [pid 6526] write(3, "1000", 4 [pid 6525] <... write resumed>) = 2097152 [pid 6524] munmap(0x7f7a51cd9000, 2097152 [pid 5077] fstat(4, [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6526] <... write resumed>) = 4 [pid 6521] <... openat resumed>) = 3 [pid 6526] close(3 [pid 6521] chdir("./file0" [pid 6526] <... close resumed>) = 0 [pid 6521] <... chdir resumed>) = 0 [pid 6524] <... munmap resumed>) = 0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] openat(AT_FDCWD, "./110/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6525] munmap(0x7f7a51cd9000, 2097152 [pid 6526] symlink("/dev/binderfs", "./binderfs" [pid 6521] ioctl(4, LOOP_CLR_FD [pid 5077] getdents64(4, [pid 6526] <... symlink resumed>) = 0 [pid 6524] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6521] <... ioctl resumed>) = 0 [pid 5076] <... openat resumed>) = 4 [pid 6526] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] <... openat resumed>) = 4 [pid 6521] close(4 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] fstat(4, [pid 6526] <... futex resumed>) = 0 [pid 6525] <... munmap resumed>) = 0 [pid 6524] ioctl(4, LOOP_SET_FD, 3 [pid 5077] getdents64(4, [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6525] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6521] <... close resumed>) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] getdents64(4, [pid 6526] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6525] <... openat resumed>) = 4 [pid 6521] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] close(4 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6526] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6525] ioctl(4, LOOP_SET_FD, 3 [pid 6521] <... futex resumed>) = 1 [pid 6520] <... futex resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5076] getdents64(4, [pid 6526] <... mprotect resumed>) = 0 [pid 6525] <... ioctl resumed>) = 0 [pid 6524] <... ioctl resumed>) = 0 [pid 6521] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6520] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] rmdir("./114/file0" [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6526] 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 6524] close(3 [pid 6520] <... futex resumed>) = 0 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] close(4./strace-static-x86_64: Process 6527 attached [pid 6524] <... close resumed>) = 0 [pid 6521] <... mkdirat resumed>) = 0 [pid 6520] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] umount2("./114/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... close resumed>) = 0 [pid 6527] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6526] <... clone resumed>, parent_tid=[227], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 227 [pid 6524] mkdir("./file0", 0777 [pid 6521] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] rmdir("./110/file0" [pid 6527] <... set_robust_list resumed>) = 0 [pid 6526] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] <... mkdir resumed>) = 0 [pid 6521] <... futex resumed>) = 0 [pid 6520] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] lstat("./114/cgroup.cpu", [pid 5076] <... rmdir resumed>) = 0 [pid 6527] memfd_create("syzkaller", 0 [pid 6526] <... futex resumed>) = 0 [pid 6524] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6521] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6520] <... futex resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] umount2("./110/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6527] <... memfd_create resumed>) = 3 [pid 6526] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6525] close(3 [pid 6520] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] unlink("./114/cgroup.cpu" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6527] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6525] <... close resumed>) = 0 [pid 6521] <... symlinkat resumed>) = 0 [pid 6527] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6525] mkdir("./file0", 0777 [pid 6521] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... unlink resumed>) = 0 [pid 5076] lstat("./110/cgroup.cpu", [pid 6525] <... mkdir resumed>) = 0 [pid 6521] <... futex resumed>) = 1 [pid 6520] <... futex resumed>) = 0 [pid 5077] getdents64(3, [pid 6525] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6521] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6520] close(3 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6520] <... close resumed>) = 0 [pid 5077] close(3 [pid 5076] unlink("./110/cgroup.cpu" [pid 6520] close(4 [pid 5077] <... close resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] rmdir("./114" [pid 5076] getdents64(3, [pid 6520] close(5) = -1 EBADF (Bad file descriptor) [pid 5077] <... rmdir resumed>) = 0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6520] close(6) = -1 EBADF (Bad file descriptor) [pid 5077] mkdir("./115", 0777 [pid 5076] close(3 [ 188.260770][ T6524] loop3: detected capacity change from 0 to 4096 [ 188.274446][ T6525] loop2: detected capacity change from 0 to 4096 [pid 6520] close(7) = -1 EBADF (Bad file descriptor) [pid 5077] <... mkdir resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 6520] close(8 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5076] rmdir("./110" [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... openat resumed>) = 3 [pid 6520] close(9 [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] <... rmdir resumed>) = 0 [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6520] close(10 [pid 5077] close(3 [pid 5076] mkdir("./111", 0777 [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... close resumed>) = 0 [pid 6524] <... mount resumed>) = 0 [pid 6520] close(11 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6528 attached [pid 6524] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6528] set_robust_list(0x5555562845e0, 24 [pid 6524] <... openat resumed>) = 3 [pid 6520] close(12 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 232 [pid 5076] <... openat resumed>) = 3 [pid 6528] <... set_robust_list resumed>) = 0 [pid 6524] chdir("./file0" [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] ioctl(3, LOOP_CLR_FD [pid 6528] chdir("./115" [pid 6527] 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 6525] <... mount resumed>) = 0 [pid 6524] <... chdir resumed>) = 0 [pid 6520] close(13 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6528] <... chdir resumed>) = 0 [pid 6525] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6528] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6525] <... openat resumed>) = 3 [pid 6528] <... prctl resumed>) = 0 [pid 6525] chdir("./file0" [pid 6528] setpgid(0, 0 [pid 6525] <... chdir resumed>) = 0 [pid 6524] ioctl(4, LOOP_CLR_FD [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] close(3 [pid 6528] <... setpgid resumed>) = 0 [pid 6525] ioctl(4, LOOP_CLR_FD [pid 6524] <... ioctl resumed>) = 0 [pid 6520] close(14 [pid 6528] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6525] <... ioctl resumed>) = 0 [pid 6524] close(4 [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... close resumed>) = 0 [pid 6528] <... symlink resumed>) = 0 [pid 6525] close(4 [pid 6524] <... close resumed>) = 0 [pid 6520] close(15 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6528] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6525] <... close resumed>) = 0 [pid 6524] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6528] <... symlink resumed>) = 0 [pid 6525] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6528] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6525] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6529 attached [pid 6528] <... symlink resumed>) = 0 [pid 6525] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6523] <... futex resumed>) = 0 [pid 6520] close(16 [pid 6524] <... futex resumed>) = 1 [pid 6522] <... futex resumed>) = 0 [pid 6529] set_robust_list(0x5555562845e0, 24 [pid 6528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6524] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6523] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6522] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 224 [pid 6529] <... set_robust_list resumed>) = 0 [pid 6528] <... openat resumed>) = 3 [pid 6525] <... futex resumed>) = 0 [pid 6524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6523] <... futex resumed>) = 1 [pid 6522] <... futex resumed>) = 0 [pid 6520] close(17 [pid 6529] chdir("./111" [pid 6528] write(3, "1000", 4 [pid 6525] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6524] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6523] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6522] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6529] <... chdir resumed>) = 0 [pid 6528] <... write resumed>) = 4 [pid 6525] <... mkdirat resumed>) = 0 [pid 6520] close(18 [pid 6528] close(3 [pid 6525] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6528] <... close resumed>) = 0 [pid 6525] <... futex resumed>) = 1 [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6529] <... prctl resumed>) = 0 [pid 6528] symlink("/dev/binderfs", "./binderfs" [pid 6525] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6523] <... futex resumed>) = 0 [pid 6520] close(19 [pid 6529] setpgid(0, 0 [pid 6528] <... symlink resumed>) = 0 [pid 6524] <... mkdirat resumed>) = 0 [pid 6523] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6529] <... setpgid resumed>) = 0 [pid 6528] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] <... futex resumed>) = 0 [pid 6524] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] <... futex resumed>) = 1 [pid 6520] close(20 [pid 6528] <... futex resumed>) = 0 [pid 6525] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6529] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6525] <... symlinkat resumed>) = 0 [pid 6524] <... futex resumed>) = 1 [pid 6523] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6522] <... futex resumed>) = 0 [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6529] <... symlink resumed>) = 0 [pid 6528] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6525] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6522] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] close(21 [pid 6529] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6528] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6525] <... futex resumed>) = 0 [pid 6524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6523] close(3 [pid 6522] <... futex resumed>) = 0 [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6529] <... symlink resumed>) = 0 [pid 6528] <... mprotect resumed>) = 0 [pid 6525] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6524] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6523] <... close resumed>) = 0 [pid 6522] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6520] close(22 [pid 6529] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6528] 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 6523] close(4 [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6530 attached [pid 6529] <... symlink resumed>) = 0 [pid 6527] <... write resumed>) = 2097152 [pid 6524] <... symlinkat resumed>) = 0 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6520] close(23 [pid 6530] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6528] <... clone resumed>, parent_tid=[233], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 233 [pid 6527] munmap(0x7f7a51cd9000, 2097152 [pid 6524] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] close(5 [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6530] <... set_robust_list resumed>) = 0 [pid 6529] <... openat resumed>) = 3 [pid 6528] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... munmap resumed>) = 0 [pid 6524] <... futex resumed>) = 1 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... futex resumed>) = 0 [pid 6520] close(24 [pid 6530] memfd_create("syzkaller", 0 [pid 6529] write(3, "1000", 4 [pid 6528] <... futex resumed>) = 0 [pid 6524] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6523] close(6 [pid 6522] close(3 [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6530] <... memfd_create resumed>) = 3 [pid 6529] <... write resumed>) = 4 [pid 6528] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = 0 [pid 6520] close(25 [pid 6530] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6529] close(3 [pid 6523] close(7 [pid 6522] close(4 [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6530] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6529] <... close resumed>) = 0 [pid 6527] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6520] close(26 [pid 6529] symlink("/dev/binderfs", "./binderfs" [pid 6527] <... openat resumed>) = 4 [pid 6523] close(8 [pid 6522] close(5 [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6527] ioctl(4, LOOP_SET_FD, 3 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6529] <... symlink resumed>) = 0 [pid 6523] close(9 [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6520] close(27 [pid 6529] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] close(6 [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6529] <... futex resumed>) = 0 [pid 6520] close(28 [pid 6523] close(10 [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6520] close(29 [pid 6523] close(11 [pid 6520] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6529] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6520] exit_group(0 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6529] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6522] close(7 [pid 6529] <... mprotect resumed>) = 0 [pid 6523] close(12 [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6521] <... futex resumed>) = ? [pid 6520] <... exit_group resumed>) = ? [pid 6529] 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 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6531 attached [pid 6523] close(13 [pid 6522] close(8 [pid 6521] +++ exited with 0 +++ [pid 6520] +++ exited with 0 +++ [pid 6531] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6529] <... clone resumed>, parent_tid=[225], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 225 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6531] <... set_robust_list resumed>) = 0 [pid 6529] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... ioctl resumed>) = 0 [pid 6523] close(14 [pid 6522] close(9 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6527] close(3 [pid 5078] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6527] <... close resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6529] <... futex resumed>) = 0 [pid 6527] mkdir("./file0", 0777 [pid 5078] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6531] memfd_create("syzkaller", 0 [pid 6529] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6527] <... mkdir resumed>) = 0 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 3 [pid 6527] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6523] close(15 [pid 6522] close(10 [pid 5078] fstat(3, [pid 6531] <... memfd_create resumed>) = 3 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6531] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6523] close(16 [pid 6522] close(11 [pid 5078] getdents64(3, [pid 6531] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6523] close(17 [pid 6522] close(12 [pid 5078] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6523] close(18 [pid 6522] close(13 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6523] close(19 [pid 6522] close(14 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./117/binderfs", [pid 6523] close(20 [ 188.433760][ T6527] loop0: detected capacity change from 0 to 4096 [pid 6522] close(15 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./117/binderfs" [pid 6523] close(21 [pid 6522] close(16 [pid 5078] <... unlink resumed>) = 0 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./117/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6523] close(22 [pid 6522] close(17 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6531] 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 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./117/cgroup", [pid 6530] 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 6523] close(23 [pid 6522] close(18 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./117/cgroup" [pid 6523] close(24 [pid 6522] close(19 [pid 5078] <... unlink resumed>) = 0 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./117/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6523] close(25 [pid 6522] close(20 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./117/cgroup.net", [pid 6523] close(26 [pid 6522] close(21 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./117/cgroup.net" [pid 6523] close(27 [pid 6522] close(22 [pid 5078] <... unlink resumed>) = 0 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6523] close(28 [pid 6522] close(23 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6523] close(29 [pid 6522] close(24 [pid 6523] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6523] exit_group(0 [pid 6522] close(25 [pid 6523] <... exit_group resumed>) = ? [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] close(26) = -1 EBADF (Bad file descriptor) [pid 6522] close(27 [pid 6525] <... futex resumed>) = ? [pid 6522] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6522] close(28) = -1 EBADF (Bad file descriptor) [pid 6522] close(29) = -1 EBADF (Bad file descriptor) [pid 6522] exit_group(0 [pid 6524] <... futex resumed>) = ? [pid 6522] <... exit_group resumed>) = ? [pid 6524] +++ exited with 0 +++ [pid 6522] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 6525] +++ exited with 0 +++ [pid 6523] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5075] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5075] fstat(3, [pid 5079] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] getdents64(3, [pid 5079] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5079] <... openat resumed>) = 3 [pid 5075] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6530] <... write resumed>) = 2097152 [pid 5079] fstat(3, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] lstat("./113/binderfs", [pid 5079] getdents64(3, [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] unlink("./113/binderfs" [pid 5079] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... unlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./113/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./119/binderfs", [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] lstat("./113/cgroup", [pid 6530] munmap(0x7f7a51cd9000, 2097152 [pid 5079] unlink("./119/binderfs" [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6530] <... munmap resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5075] unlink("./113/cgroup" [pid 5079] umount2("./119/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./113/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./119/cgroup", [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] lstat("./113/cgroup.net", [pid 5079] unlink("./119/cgroup" [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6531] <... write resumed>) = 2097152 [pid 6530] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] unlink("./113/cgroup.net" [pid 6531] munmap(0x7f7a51cd9000, 2097152 [pid 6530] <... openat resumed>) = 4 [pid 6527] <... mount resumed>) = 0 [pid 5079] umount2("./119/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] lstat("./117/file0", [pid 5075] <... unlink resumed>) = 0 [pid 6530] ioctl(4, LOOP_SET_FD, 3 [pid 6527] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] lstat("./119/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./119/cgroup.net") = 0 [pid 5079] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6531] <... munmap resumed>) = 0 [pid 6531] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6531] ioctl(4, LOOP_SET_FD, 3 [pid 6530] <... ioctl resumed>) = 0 [pid 6527] <... openat resumed>) = 3 [pid 5078] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6527] chdir("./file0" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6527] <... chdir resumed>) = 0 [pid 6527] ioctl(4, LOOP_CLR_FD [pid 5078] openat(AT_FDCWD, "./117/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6531] <... ioctl resumed>) = 0 [pid 6530] close(3 [pid 6527] <... ioctl resumed>) = 0 [pid 5078] <... openat resumed>) = 4 [pid 6527] close(4 [pid 6530] <... close resumed>) = 0 [pid 6527] <... close resumed>) = 0 [pid 5078] fstat(4, [pid 6527] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6527] <... futex resumed>) = 1 [pid 6526] <... futex resumed>) = 0 [pid 5078] getdents64(4, [pid 6527] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6526] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6530] mkdir("./file0", 0777 [pid 6526] <... futex resumed>) = 0 [pid 5078] getdents64(4, [pid 6530] <... mkdir resumed>) = 0 [pid 6530] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6526] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] close(4) = 0 [pid 5078] rmdir("./117/file0") = 0 [pid 5078] umount2("./117/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./117/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./117/cgroup.cpu") = 0 [pid 5078] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 [pid 5078] close(3) = 0 [pid 5078] rmdir("./117") = 0 [pid 5078] mkdir("./118", 0777) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5078] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5078] close(3) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6532 attached , child_tidptr=0x5555562845d0) = 238 [pid 6532] set_robust_list(0x5555562845e0, 24) = 0 [pid 6527] <... mkdirat resumed>) = 0 [pid 6532] chdir("./118" [pid 6527] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] <... chdir resumed>) = 0 [pid 6527] <... futex resumed>) = 1 [pid 6526] <... futex resumed>) = 0 [pid 6532] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6527] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6526] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] <... prctl resumed>) = 0 [pid 6527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6526] <... futex resumed>) = 0 [pid 6532] setpgid(0, 0 [ 188.621264][ T6530] loop5: detected capacity change from 0 to 4096 [ 188.625378][ T6531] loop4: detected capacity change from 0 to 4096 [pid 6527] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6526] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6532] <... setpgid resumed>) = 0 [pid 6527] <... symlinkat resumed>) = 0 [pid 5075] <... umount2 resumed>) = 0 [pid 6532] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6527] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] <... symlink resumed>) = 0 [pid 6527] <... futex resumed>) = 1 [pid 6526] <... futex resumed>) = 0 [pid 6532] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6527] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6526] close(3 [pid 6532] <... symlink resumed>) = 0 [pid 6526] <... close resumed>) = 0 [pid 6532] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6526] close(4 [pid 6532] <... symlink resumed>) = 0 [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6526] close(5 [pid 6532] <... openat resumed>) = 3 [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6532] write(3, "1000", 4 [pid 6526] close(6 [pid 6532] <... write resumed>) = 4 [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6532] close(3 [pid 6526] close(7 [pid 6532] <... close resumed>) = 0 [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6532] symlink("/dev/binderfs", "./binderfs" [pid 6526] close(8 [pid 6532] <... symlink resumed>) = 0 [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6532] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] close(9 [pid 5075] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6532] <... futex resumed>) = 0 [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = 0 [pid 6532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6526] close(10 [pid 6532] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6532] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6526] close(11 [pid 6532] <... mprotect resumed>) = 0 [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6532] 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 6531] close(3 [pid 6526] close(12 [pid 5079] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6533 attached [pid 6531] <... close resumed>) = 0 [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6533] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6532] <... clone resumed>, parent_tid=[239], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 239 [pid 6531] mkdir("./file0", 0777 [pid 6530] <... mount resumed>) = 0 [pid 6526] close(13 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./113/file0", [pid 6533] <... set_robust_list resumed>) = 0 [pid 6532] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6531] <... mkdir resumed>) = 0 [pid 6530] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./119/file0", [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6533] memfd_create("syzkaller", 0 [pid 6532] <... futex resumed>) = 0 [pid 6531] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6530] <... openat resumed>) = 3 [pid 6526] close(14 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6533] <... memfd_create resumed>) = 3 [pid 6532] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6530] chdir("./file0" [pid 6533] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6530] <... chdir resumed>) = 0 [pid 6526] close(15 [pid 5079] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6533] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6530] ioctl(4, LOOP_CLR_FD [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] openat(AT_FDCWD, "./113/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6530] <... ioctl resumed>) = 0 [pid 6526] close(16 [pid 5079] openat(AT_FDCWD, "./119/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6530] close(4 [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 4 [pid 5075] <... openat resumed>) = 4 [pid 6530] <... close resumed>) = 0 [pid 6526] close(17) = -1 EBADF (Bad file descriptor) [pid 6526] close(18) = -1 EBADF (Bad file descriptor) [pid 6530] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] close(19 [pid 5079] fstat(4, [pid 5075] fstat(4, [pid 6530] <... futex resumed>) = 1 [pid 6528] <... futex resumed>) = 0 [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... 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 6530] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6528] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] close(20 [pid 5079] getdents64(4, [pid 5075] getdents64(4, [pid 6530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6528] <... futex resumed>) = 0 [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6530] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6528] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6526] close(21 [pid 5079] getdents64(4, [pid 5075] getdents64(4, [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6530] <... mkdirat resumed>) = 0 [pid 6526] close(22 [pid 5079] close(4 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6526] close(23) = -1 EBADF (Bad file descriptor) [pid 6530] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] close(24 [pid 5079] <... close resumed>) = 0 [pid 5075] close(4 [pid 6530] <... futex resumed>) = 1 [pid 6528] <... futex resumed>) = 0 [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./119/file0" [pid 5075] <... close resumed>) = 0 [pid 6530] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6528] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] close(25 [pid 5079] <... rmdir resumed>) = 0 [pid 5075] rmdir("./113/file0" [pid 6533] 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 6531] <... mount resumed>) = 0 [pid 6530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6528] <... futex resumed>) = 0 [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./119/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6531] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6530] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6528] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6526] close(26 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... rmdir resumed>) = 0 [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6526] close(27) = -1 EBADF (Bad file descriptor) [pid 6526] close(28) = -1 EBADF (Bad file descriptor) [pid 6526] close(29 [pid 6531] <... openat resumed>) = 3 [pid 6526] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6531] chdir("./file0" [pid 6526] exit_group(0 [pid 5079] lstat("./119/cgroup.cpu", [pid 5075] umount2("./113/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6531] <... chdir resumed>) = 0 [pid 6527] <... futex resumed>) = ? [pid 6526] <... exit_group resumed>) = ? [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6531] ioctl(4, LOOP_CLR_FD [pid 6530] <... symlinkat resumed>) = 0 [pid 6527] +++ exited with 0 +++ [pid 6526] +++ exited with 0 +++ [pid 5079] unlink("./119/cgroup.cpu" [pid 5075] lstat("./113/cgroup.cpu", [pid 6531] <... ioctl resumed>) = 0 [pid 6530] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6531] close(4 [pid 6530] <... futex resumed>) = 1 [pid 6528] <... futex resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6533] <... write resumed>) = 2097152 [pid 6531] <... close resumed>) = 0 [pid 6530] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6528] close(3 [pid 5079] getdents64(3, [pid 5075] unlink("./113/cgroup.cpu" [pid 6533] munmap(0x7f7a51cd9000, 2097152 [pid 6531] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6528] <... close resumed>) = 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 6533] <... munmap resumed>) = 0 [pid 6531] <... futex resumed>) = 1 [pid 6529] <... futex resumed>) = 0 [pid 6528] close(4 [pid 5079] close(3 [pid 5075] getdents64(3, [pid 5074] <... restart_syscall resumed>) = 0 [pid 6531] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6529] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6529] <... futex resumed>) = 0 [pid 6528] close(5 [pid 5079] rmdir("./119" [pid 5075] close(3 [pid 6533] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6531] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6529] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... rmdir resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 6533] <... openat resumed>) = 4 [pid 6531] <... mkdirat resumed>) = 0 [pid 6528] close(6 [pid 5079] mkdir("./120", 0777 [pid 5075] rmdir("./113" [pid 5074] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6533] ioctl(4, LOOP_SET_FD, 3 [pid 6531] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... mkdir resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6533] <... ioctl resumed>) = 0 [pid 6531] <... futex resumed>) = 1 [pid 6529] <... futex resumed>) = 0 [pid 6528] close(7 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5075] mkdir("./114", 0777 [pid 5074] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6533] close(3 [pid 6531] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6529] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 5075] <... mkdir resumed>) = 0 [pid 6533] <... close resumed>) = 0 [pid 6531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6529] <... futex resumed>) = 0 [pid 6528] close(8 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5074] <... openat resumed>) = 3 [pid 6533] mkdir("./file0", 0777 [pid 6531] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6529] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] <... openat resumed>) = 3 [pid 5074] fstat(3, [pid 6533] <... mkdir resumed>) = 0 [pid 6531] <... symlinkat resumed>) = 0 [pid 6528] close(9 [pid 5079] close(3 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6533] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6531] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 5074] getdents64(3, [pid 6531] <... futex resumed>) = 1 [pid 6529] <... futex resumed>) = 0 [pid 6528] close(10 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6531] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6529] close(3 [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6534 attached [pid 6529] <... close resumed>) = 0 [pid 6528] close(11 [pid 5075] close(3 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./112/binderfs", [pid 6534] set_robust_list(0x5555562845e0, 24 [pid 6529] close(4 [pid 6528] close(12 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 242 [pid 5075] <... close resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6534] <... set_robust_list resumed>) = 0 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] unlink("./112/binderfs" [pid 6534] chdir("./120" [pid 6528] close(13 [pid 5074] <... unlink resumed>) = 0 [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./112/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6528] close(14 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./112/cgroup", [pid 6528] close(15 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] unlink("./112/cgroup" [pid 6528] close(16 [pid 5074] <... unlink resumed>) = 0 [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./112/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6528] close(17 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./112/cgroup.net", [pid 6528] close(18 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6535 attached [pid 6529] close(5 [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] unlink("./112/cgroup.net" [pid 6535] set_robust_list(0x5555562845e0, 24 [pid 6534] <... chdir resumed>) = 0 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6528] close(19 [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 230 [pid 5074] <... unlink resumed>) = 0 [pid 6535] <... set_robust_list resumed>) = 0 [pid 6534] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6529] close(6 [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 188.886731][ T6533] loop1: detected capacity change from 0 to 4096 [pid 5074] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6535] chdir("./114" [pid 6534] <... prctl resumed>) = 0 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6528] close(20 [pid 6535] <... chdir resumed>) = 0 [pid 6534] setpgid(0, 0 [pid 6529] close(7 [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = 0 [pid 6535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6528] close(21 [pid 6535] <... prctl resumed>) = 0 [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] setpgid(0, 0 [pid 6528] close(22 [pid 6535] <... setpgid resumed>) = 0 [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6528] close(23 [pid 6535] <... symlink resumed>) = 0 [pid 6534] <... setpgid resumed>) = 0 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6534] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6529] close(8 [pid 6528] close(24 [pid 6535] <... symlink resumed>) = 0 [pid 6534] <... symlink resumed>) = 0 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6534] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6529] close(9 [pid 6528] close(25 [pid 6535] <... symlink resumed>) = 0 [pid 6534] <... symlink resumed>) = 0 [pid 6533] <... mount resumed>) = 0 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6534] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6533] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6529] close(10 [pid 6528] close(26 [pid 6535] <... openat resumed>) = 3 [pid 6534] <... symlink resumed>) = 0 [pid 6533] <... openat resumed>) = 3 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6535] write(3, "1000", 4 [pid 6534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6533] chdir("./file0" [pid 6529] close(11 [pid 6528] close(27 [pid 6535] <... write resumed>) = 4 [pid 6534] <... openat resumed>) = 3 [pid 6533] <... chdir resumed>) = 0 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6535] close(3 [pid 6534] write(3, "1000", 4 [pid 6533] ioctl(4, LOOP_CLR_FD [pid 6529] close(12 [pid 6528] close(28 [pid 6535] <... close resumed>) = 0 [pid 6534] <... write resumed>) = 4 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./112/file0", [pid 6534] close(3 [pid 6529] close(13 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6535] symlink("/dev/binderfs", "./binderfs" [pid 6534] <... close resumed>) = 0 [pid 6533] <... ioctl resumed>) = 0 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6528] close(29 [pid 5074] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6534] symlink("/dev/binderfs", "./binderfs" [pid 6529] close(14 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6535] <... symlink resumed>) = 0 [pid 6534] <... symlink resumed>) = 0 [pid 6533] close(4 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6528] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] openat(AT_FDCWD, "./112/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6535] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6533] <... close resumed>) = 0 [pid 6529] close(15 [pid 6528] exit_group(0 [pid 5074] <... openat resumed>) = 4 [pid 6534] <... futex resumed>) = 0 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] fstat(4, [pid 6534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6529] close(16 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6534] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] getdents64(4, [pid 6534] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6529] close(17 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6534] <... mprotect resumed>) = 0 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] getdents64(4, [pid 6534] 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 6529] close(18 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6536 attached [pid 6535] <... futex resumed>) = 0 [pid 6533] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6530] <... futex resumed>) = ? [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6528] <... exit_group resumed>) = ? [pid 5074] close(4 [pid 6536] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6534] <... clone resumed>, parent_tid=[243], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 243 [pid 6533] <... futex resumed>) = 1 [pid 6532] <... futex resumed>) = 0 [pid 6530] +++ exited with 0 +++ [pid 6529] close(19 [pid 5074] <... close resumed>) = 0 [pid 6536] <... set_robust_list resumed>) = 0 [pid 6534] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] rmdir("./112/file0" [pid 6536] memfd_create("syzkaller", 0 [pid 6535] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6534] <... futex resumed>) = 0 [pid 6533] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6532] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] close(20 [pid 6528] +++ exited with 0 +++ [pid 5074] <... rmdir resumed>) = 0 [pid 6536] <... memfd_create resumed>) = 3 [pid 6534] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./112/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6536] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6529] close(21 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6536] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6532] <... futex resumed>) = 0 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./112/cgroup.cpu", [pid 6535] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6529] close(22 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] unlink("./112/cgroup.cpu" [pid 6529] close(23 [pid 5074] <... unlink resumed>) = 0 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] getdents64(3, [pid 6529] close(24 [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] close(3 [pid 6529] close(25 [pid 5074] <... close resumed>) = 0 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] rmdir("./112" [pid 6532] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6529] close(26 [pid 5074] <... rmdir resumed>) = 0 [pid 6535] <... mprotect resumed>) = 0 [pid 6533] <... mkdirat resumed>) = 0 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5074] mkdir("./113", 0777 [pid 6535] 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 6533] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] close(27 [pid 5077] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... mkdir resumed>) = 0 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 6537 attached [pid 6529] close(28 [pid 6532] <... futex resumed>) = 0 [pid 6533] <... futex resumed>) = 1 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... openat resumed>) = 3 [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6537] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6535] <... clone resumed>, parent_tid=[231], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 231 [pid 6532] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6533] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6537] <... set_robust_list resumed>) = 0 [pid 6535] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] <... futex resumed>) = 0 [pid 6529] close(29 [pid 5077] <... openat resumed>) = 3 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6537] memfd_create("syzkaller", 0 [pid 6536] 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 6535] <... futex resumed>) = 0 [pid 6533] <... symlinkat resumed>) = 0 [pid 6532] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6529] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] fstat(3, [pid 5074] close(3 [pid 6535] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6529] exit_group(0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... close resumed>) = 0 [pid 6537] <... memfd_create resumed>) = 3 [pid 6533] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6531] <... futex resumed>) = ? [pid 6529] <... exit_group resumed>) = ? [pid 5077] getdents64(3, [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6538 attached [pid 6537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6533] <... futex resumed>) = 1 [pid 6532] <... futex resumed>) = 0 [pid 6531] +++ exited with 0 +++ [pid 6529] +++ exited with 0 +++ [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6538] set_robust_list(0x5555562845e0, 24 [pid 6533] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6532] close(3 [pid 5077] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=224, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 228 [pid 6538] <... set_robust_list resumed>) = 0 [pid 6537] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6532] <... close resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6538] chdir("./113") = 0 [pid 6538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6538] setpgid(0, 0) = 0 [pid 6538] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6538] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6538] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6538] write(3, "1000", 4 [pid 6532] close(4 [pid 5077] lstat("./115/binderfs", [pid 5076] umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6538] <... write resumed>) = 4 [pid 6532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6538] close(3 [pid 6532] close(5 [pid 5077] unlink("./115/binderfs" [pid 5076] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6538] <... close resumed>) = 0 [pid 6532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6538] symlink("/dev/binderfs", "./binderfs" [pid 5077] <... unlink resumed>) = 0 [pid 6538] <... symlink resumed>) = 0 [pid 6532] close(6 [pid 5077] umount2("./115/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... openat resumed>) = 3 [pid 6538] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] fstat(3, [pid 6538] <... futex resumed>) = 0 [pid 6532] close(7 [pid 5077] lstat("./115/cgroup", [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] getdents64(3, [pid 6538] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6532] close(8 [pid 5077] unlink("./115/cgroup" [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6538] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6538] <... mprotect resumed>) = 0 [pid 6532] close(9 [pid 5077] <... unlink resumed>) = 0 [pid 5076] umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6538] 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 6532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./115/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6539 attached [pid 6532] close(10 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./111/binderfs", [pid 6539] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6538] <... clone resumed>, parent_tid=[229], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 229 [pid 6532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./115/cgroup.net", [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6539] <... set_robust_list resumed>) = 0 [pid 6538] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] close(11 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] unlink("./111/binderfs" [pid 6539] memfd_create("syzkaller", 0 [pid 6538] <... futex resumed>) = 0 [pid 6539] <... memfd_create resumed>) = 3 [pid 6538] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6539] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 6532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./115/cgroup.net" [pid 5076] <... unlink resumed>) = 0 [pid 6532] close(12 [pid 5077] <... unlink resumed>) = 0 [pid 5076] umount2("./111/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6532] close(13 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./111/cgroup", [pid 6532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6532] close(14) = -1 EBADF (Bad file descriptor) [pid 5076] unlink("./111/cgroup" [pid 6532] close(15 [pid 5076] <... unlink resumed>) = 0 [pid 6532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./111/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6532] close(16) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6532] close(17 [pid 5076] lstat("./111/cgroup.net", [pid 6532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6532] close(18) = -1 EBADF (Bad file descriptor) [pid 5076] unlink("./111/cgroup.net" [pid 6532] close(19 [pid 5076] <... unlink resumed>) = 0 [pid 6532] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6532] close(20) = -1 EBADF (Bad file descriptor) [pid 6532] close(21) = -1 EBADF (Bad file descriptor) [pid 6532] close(22) = -1 EBADF (Bad file descriptor) [pid 6532] close(23) = -1 EBADF (Bad file descriptor) [pid 6532] close(24) = -1 EBADF (Bad file descriptor) [pid 6532] close(25) = -1 EBADF (Bad file descriptor) [pid 6532] close(26) = -1 EBADF (Bad file descriptor) [pid 6532] close(27) = -1 EBADF (Bad file descriptor) [pid 6532] close(28) = -1 EBADF (Bad file descriptor) [pid 6532] close(29) = -1 EBADF (Bad file descriptor) [pid 6532] exit_group(0 [pid 6533] <... futex resumed>) = ? [pid 6532] <... exit_group resumed>) = ? [pid 6533] +++ exited with 0 +++ [pid 6532] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5078] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5078] fstat(3, [pid 6539] 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] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6536] <... write resumed>) = 2097152 [pid 5078] lstat("./118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./118/binderfs") = 0 [pid 5078] umount2("./118/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./118/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./118/cgroup") = 0 [pid 5078] umount2("./118/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6536] munmap(0x7f7a51cd9000, 2097152 [pid 5078] lstat("./118/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./118/cgroup.net") = 0 [pid 5077] <... umount2 resumed>) = 0 [pid 5078] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./115/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] openat(AT_FDCWD, "./115/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5077] fstat(4, [pid 6536] <... munmap resumed>) = 0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] getdents64(4, [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] lstat("./111/file0", [pid 5077] getdents64(4, [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6537] 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 5077] close(4 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6536] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5077] <... close resumed>) = 0 [pid 5076] openat(AT_FDCWD, "./111/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6536] <... openat resumed>) = 4 [pid 5077] rmdir("./115/file0" [pid 5076] <... openat resumed>) = 4 [pid 6536] ioctl(4, LOOP_SET_FD, 3 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] fstat(4, [pid 6536] <... ioctl resumed>) = 0 [pid 5077] umount2("./115/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] getdents64(4, [pid 5077] lstat("./115/cgroup.cpu", [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] getdents64(4, [pid 5077] unlink("./115/cgroup.cpu" [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5076] close(4 [pid 5077] getdents64(3, [pid 5076] <... close resumed>) = 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] rmdir("./111/file0" [pid 5077] close(3 [pid 5076] <... rmdir resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5076] umount2("./111/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] rmdir("./115" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... rmdir resumed>) = 0 [pid 5076] lstat("./111/cgroup.cpu", [pid 5077] mkdir("./116", 0777 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] <... mkdir resumed>) = 0 [pid 5076] unlink("./111/cgroup.cpu" [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5076] <... unlink resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 5076] getdents64(3, [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] close(3 [pid 5077] close(3 [pid 5076] <... close resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5076] rmdir("./111" [pid 6539] <... write resumed>) = 2097152 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6540 attached [pid 5076] mkdir("./112", 0777 [pid 6540] set_robust_list(0x5555562845e0, 24 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 234 [pid 5076] <... mkdir resumed>) = 0 [pid 6540] <... set_robust_list resumed>) = 0 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6540] chdir("./116" [pid 5078] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... openat resumed>) = 3 [pid 6540] <... chdir resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] ioctl(3, LOOP_CLR_FD [pid 6540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] lstat("./118/file0", [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6540] <... prctl resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] close(3 [pid 6540] setpgid(0, 0 [pid 5078] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... close resumed>) = 0 [pid 6540] <... setpgid resumed>) = 0 [pid 6536] close(3 [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 6541 attached [pid 6540] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6536] <... close resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./118/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6541] set_robust_list(0x5555562845e0, 24 [pid 6540] <... symlink resumed>) = 0 [pid 6536] mkdir("./file0", 0777 [pid 5078] <... openat resumed>) = 4 [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 226 [pid 6541] <... set_robust_list resumed>) = 0 [pid 6540] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6539] munmap(0x7f7a51cd9000, 2097152 [pid 6536] <... mkdir resumed>) = 0 [pid 5078] fstat(4, [pid 6541] chdir("./112" [pid 6540] <... symlink resumed>) = 0 [pid 6539] <... munmap resumed>) = 0 [pid 6536] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6541] <... chdir resumed>) = 0 [pid 6540] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5078] getdents64(4, [pid 6541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6540] <... symlink resumed>) = 0 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6541] <... prctl resumed>) = 0 [pid 6540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6539] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5078] getdents64(4, [pid 6541] setpgid(0, 0 [pid 6540] <... openat resumed>) = 3 [pid 6539] <... openat resumed>) = 4 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6541] <... setpgid resumed>) = 0 [ 189.242635][ T6536] loop2: detected capacity change from 0 to 4096 [pid 6540] write(3, "1000", 4 [pid 6539] ioctl(4, LOOP_SET_FD, 3 [pid 5078] close(4 [pid 6541] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6540] <... write resumed>) = 4 [pid 5078] <... close resumed>) = 0 [pid 6541] <... symlink resumed>) = 0 [pid 6540] close(3 [pid 5078] rmdir("./118/file0" [pid 6541] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6540] <... close resumed>) = 0 [pid 6541] <... symlink resumed>) = 0 [pid 6540] symlink("/dev/binderfs", "./binderfs" [pid 5078] <... rmdir resumed>) = 0 [pid 6541] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6540] <... symlink resumed>) = 0 [pid 5078] umount2("./118/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6541] <... symlink resumed>) = 0 [pid 6540] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6540] <... futex resumed>) = 0 [pid 5078] lstat("./118/cgroup.cpu", [pid 6541] <... openat resumed>) = 3 [pid 6540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6541] write(3, "1000", 4 [pid 6540] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5078] unlink("./118/cgroup.cpu" [pid 6541] <... write resumed>) = 4 [pid 6540] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5078] <... unlink resumed>) = 0 [pid 6541] close(3 [pid 6540] <... mprotect resumed>) = 0 [pid 5078] getdents64(3, [pid 6541] <... close resumed>) = 0 [pid 6540] 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 resumed>0x555556285620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6542 attached [pid 6541] symlink("/dev/binderfs", "./binderfs" [pid 5078] close(3 [pid 6542] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6541] <... symlink resumed>) = 0 [pid 6540] <... clone resumed>, parent_tid=[235], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 235 [pid 6539] <... ioctl resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 6542] <... set_robust_list resumed>) = 0 [pid 6541] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6540] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] close(3 [pid 5078] rmdir("./118" [pid 6542] memfd_create("syzkaller", 0 [pid 6541] <... futex resumed>) = 0 [pid 6540] <... futex resumed>) = 0 [pid 6539] <... close resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 6542] <... memfd_create resumed>) = 3 [pid 6541] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6540] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6539] mkdir("./file0", 0777 [pid 5078] mkdir("./119", 0777 [pid 6542] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6541] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6539] <... mkdir resumed>) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 6542] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6541] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6539] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6541] <... mprotect resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 6541] 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] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6543 attached ) = -1 ENXIO (No such device or address) [ 189.300172][ T6539] loop0: detected capacity change from 0 to 4096 [pid 6543] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6541] <... clone resumed>, parent_tid=[227], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 227 [pid 5078] close(3 [pid 6543] <... set_robust_list resumed>) = 0 [pid 6541] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... write resumed>) = 2097152 [pid 5078] <... close resumed>) = 0 [pid 6543] memfd_create("syzkaller", 0 [pid 6541] <... futex resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6544 attached [pid 6543] <... memfd_create resumed>) = 3 [pid 6541] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6537] munmap(0x7f7a51cd9000, 2097152 [pid 6544] set_robust_list(0x5555562845e0, 24 [pid 6543] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 240 [pid 6544] <... set_robust_list resumed>) = 0 [pid 6543] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6536] <... mount resumed>) = 0 [pid 6544] chdir("./119" [pid 6536] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6544] <... chdir resumed>) = 0 [pid 6536] <... openat resumed>) = 3 [pid 6544] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6536] chdir("./file0" [pid 6544] <... prctl resumed>) = 0 [pid 6544] setpgid(0, 0 [pid 6537] <... munmap resumed>) = 0 [pid 6536] <... chdir resumed>) = 0 [pid 6544] <... setpgid resumed>) = 0 [pid 6536] ioctl(4, LOOP_CLR_FD [pid 6544] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6537] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6536] <... ioctl resumed>) = 0 [pid 6536] close(4) = 0 [pid 6536] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6534] <... futex resumed>) = 0 [pid 6536] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6534] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6534] <... futex resumed>) = 0 [pid 6544] <... symlink resumed>) = 0 [pid 6536] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6534] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6544] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6537] <... openat resumed>) = 4 [pid 6536] <... mkdirat resumed>) = 0 [pid 6536] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] ioctl(4, LOOP_SET_FD, 3 [pid 6536] <... futex resumed>) = 1 [pid 6534] <... futex resumed>) = 0 [pid 6544] <... symlink resumed>) = 0 [pid 6536] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6534] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] <... symlinkat resumed>) = 0 [pid 6534] <... futex resumed>) = 0 [pid 6536] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6536] <... futex resumed>) = 0 [pid 6534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6536] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6534] close(3) = 0 [pid 6534] close(4) = -1 EBADF (Bad file descriptor) [pid 6534] close(5) = -1 EBADF (Bad file descriptor) [pid 6534] close(6) = -1 EBADF (Bad file descriptor) [pid 6534] close(7) = -1 EBADF (Bad file descriptor) [pid 6534] close(8 [pid 6542] 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 6534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6544] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6534] close(9 [pid 6544] <... symlink resumed>) = 0 [pid 6534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6539] <... mount resumed>) = 0 [pid 6544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6539] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6534] close(10) = -1 EBADF (Bad file descriptor) [pid 6544] <... openat resumed>) = 3 [pid 6539] <... openat resumed>) = 3 [pid 6537] <... ioctl resumed>) = 0 [pid 6534] close(11 [pid 6544] write(3, "1000", 4 [pid 6539] chdir("./file0" [pid 6537] close(3 [pid 6534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6544] <... write resumed>) = 4 [pid 6543] 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 6539] <... chdir resumed>) = 0 [pid 6537] <... close resumed>) = 0 [pid 6534] close(12 [pid 6544] close(3 [pid 6539] ioctl(4, LOOP_CLR_FD [pid 6534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6534] close(13) = -1 EBADF (Bad file descriptor) [pid 6534] close(14) = -1 EBADF (Bad file descriptor) [pid 6534] close(15) = -1 EBADF (Bad file descriptor) [pid 6534] close(16) = -1 EBADF (Bad file descriptor) [pid 6534] close(17 [pid 6544] <... close resumed>) = 0 [pid 6534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6544] symlink("/dev/binderfs", "./binderfs" [pid 6539] <... ioctl resumed>) = 0 [pid 6534] close(18) = -1 EBADF (Bad file descriptor) [pid 6534] close(19) = -1 EBADF (Bad file descriptor) [pid 6544] <... symlink resumed>) = 0 [pid 6539] close(4 [pid 6537] mkdir("./file0", 0777 [pid 6534] close(20 [pid 6544] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6539] <... close resumed>) = 0 [pid 6537] <... mkdir resumed>) = 0 [pid 6534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6539] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6534] close(21 [pid 6544] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6539] <... futex resumed>) = 1 [pid 6538] <... futex resumed>) = 0 [pid 6534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6544] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6539] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6538] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] close(22 [pid 6538] <... futex resumed>) = 0 [pid 6534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6538] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6534] close(23 [pid 6544] <... mprotect resumed>) = 0 [pid 6542] <... write resumed>) = 2097152 [pid 6534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6534] close(24) = -1 EBADF (Bad file descriptor) [pid 6544] 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 6534] close(25) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6545 attached [pid 6534] close(26 [pid 6545] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6544] <... clone resumed>, parent_tid=[241], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 241 [pid 6539] <... mkdirat resumed>) = 0 [pid 6534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6545] <... set_robust_list resumed>) = 0 [pid 6534] close(27 [pid 6544] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6545] memfd_create("syzkaller", 0 [pid 6539] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6545] <... memfd_create resumed>) = 3 [pid 6544] <... futex resumed>) = 0 [pid 6539] <... futex resumed>) = 1 [pid 6538] <... futex resumed>) = 0 [ 189.418737][ T6537] loop3: detected capacity change from 0 to 4096 [pid 6534] close(28 [pid 6545] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6544] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6539] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6538] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6545] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6538] <... futex resumed>) = 0 [pid 6534] close(29 [pid 6542] munmap(0x7f7a51cd9000, 2097152 [pid 6538] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6534] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6534] exit_group(0 [pid 6536] <... futex resumed>) = ? [pid 6534] <... exit_group resumed>) = ? [pid 6542] <... munmap resumed>) = 0 [pid 6539] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6536] +++ exited with 0 +++ [pid 6534] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5079] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5079] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./120/binderfs" [pid 6542] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5079] <... unlink resumed>) = 0 [pid 6542] <... openat resumed>) = 4 [pid 5079] umount2("./120/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6542] ioctl(4, LOOP_SET_FD, 3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./120/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] unlink("./120/cgroup" [pid 6545] 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 6543] <... write resumed>) = 2097152 [pid 6542] <... ioctl resumed>) = 0 [pid 6539] <... symlinkat resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6543] munmap(0x7f7a51cd9000, 2097152 [pid 6539] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./120/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6543] <... munmap resumed>) = 0 [pid 6542] close(3 [pid 6539] <... futex resumed>) = 1 [pid 6538] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6543] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6542] <... close resumed>) = 0 [pid 6539] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6538] close(3 [pid 5079] lstat("./120/cgroup.net", [pid 6543] <... openat resumed>) = 4 [pid 6542] mkdir("./file0", 0777 [pid 6538] <... close resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6543] ioctl(4, LOOP_SET_FD, 3 [pid 6542] <... mkdir resumed>) = 0 [pid 6538] close(4 [pid 5079] unlink("./120/cgroup.net" [pid 6542] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6537] <... mount resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6537] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6538] close(5 [pid 6537] <... openat resumed>) = 3 [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6538] close(6 [pid 6537] chdir("./file0" [pid 5079] <... umount2 resumed>) = 0 [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6538] close(7) = -1 EBADF (Bad file descriptor) [ 189.531130][ T6542] loop5: detected capacity change from 0 to 4096 [ 189.569337][ T6543] loop4: detected capacity change from 0 to 4096 [pid 6538] close(8 [pid 6537] <... chdir resumed>) = 0 [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6537] ioctl(4, LOOP_CLR_FD [pid 6538] close(9 [pid 6537] <... ioctl resumed>) = 0 [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6537] close(4 [pid 6538] close(10 [pid 6537] <... close resumed>) = 0 [pid 6537] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6535] <... futex resumed>) = 0 [pid 6537] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6535] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6535] <... futex resumed>) = 0 [pid 6543] <... ioctl resumed>) = 0 [pid 6537] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6535] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6543] close(3) = 0 [pid 6543] mkdir("./file0", 0777) = 0 [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6538] close(11) = -1 EBADF (Bad file descriptor) [pid 6538] close(12 [pid 6543] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6538] close(13) = -1 EBADF (Bad file descriptor) [pid 6538] close(14 [pid 6537] <... mkdirat resumed>) = 0 [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6537] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] close(15 [pid 6537] <... futex resumed>) = 1 [pid 6535] <... futex resumed>) = 0 [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6537] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6535] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6538] close(16 [pid 6537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6535] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6537] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6535] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6538] close(17 [pid 5079] lstat("./120/file0", [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6538] close(18 [pid 5079] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6538] close(19 [pid 6537] <... symlinkat resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./120/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6545] <... write resumed>) = 2097152 [pid 6542] <... mount resumed>) = 0 [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6537] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... openat resumed>) = 4 [pid 6545] munmap(0x7f7a51cd9000, 2097152 [pid 6542] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6538] close(20 [pid 6537] <... futex resumed>) = 1 [pid 6535] <... futex resumed>) = 0 [pid 5079] fstat(4, [pid 6545] <... munmap resumed>) = 0 [pid 6542] <... openat resumed>) = 3 [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6537] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6535] close(3 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6542] chdir("./file0" [pid 6538] close(21 [pid 6535] <... close resumed>) = 0 [pid 5079] getdents64(4, [pid 6542] <... chdir resumed>) = 0 [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] close(4 [pid 6542] ioctl(4, LOOP_CLR_FD [pid 6538] close(22 [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6542] <... ioctl resumed>) = 0 [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] close(5 [pid 6545] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6542] close(4 [pid 6538] close(23 [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(4, [pid 6545] <... openat resumed>) = 4 [pid 6542] <... close resumed>) = 0 [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] close(6 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6545] ioctl(4, LOOP_SET_FD, 3 [pid 6542] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] close(24 [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] close(4 [pid 6542] <... futex resumed>) = 1 [pid 6540] <... futex resumed>) = 0 [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] close(7 [pid 5079] <... close resumed>) = 0 [pid 6542] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6540] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] close(25 [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./120/file0" [pid 6542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6540] <... futex resumed>) = 0 [pid 6538] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6542] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6540] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6538] close(26) = -1 EBADF (Bad file descriptor) [pid 6538] close(27) = -1 EBADF (Bad file descriptor) [pid 6538] close(28) = -1 EBADF (Bad file descriptor) [pid 6538] close(29) = -1 EBADF (Bad file descriptor) [pid 6538] exit_group(0 [pid 6539] <... futex resumed>) = ? [pid 6538] <... exit_group resumed>) = ? [pid 6535] close(8 [pid 5079] <... rmdir resumed>) = 0 [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6545] <... ioctl resumed>) = 0 [pid 6545] close(3) = 0 [pid 6545] mkdir("./file0", 0777 [pid 6539] +++ exited with 0 +++ [pid 6538] +++ exited with 0 +++ [pid 6535] close(9 [pid 5079] umount2("./120/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...> [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... restart_syscall resumed>) = 0 [pid 6545] <... mkdir resumed>) = 0 [pid 6535] close(10 [pid 5079] lstat("./120/cgroup.cpu", [pid 6545] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6543] <... mount resumed>) = 0 [pid 6542] <... mkdirat resumed>) = 0 [pid 6535] close(11 [pid 5079] unlink("./120/cgroup.cpu" [pid 6543] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6542] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5074] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6543] <... openat resumed>) = 3 [pid 6542] <... futex resumed>) = 1 [pid 6540] <... futex resumed>) = 0 [pid 6535] close(12 [pid 5079] getdents64(3, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6543] chdir("./file0" [pid 6542] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6540] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6543] <... chdir resumed>) = 0 [pid 6542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6540] <... futex resumed>) = 0 [pid 6535] close(13 [pid 5079] close(3 [pid 5074] <... openat resumed>) = 3 [pid 6543] ioctl(4, LOOP_CLR_FD [pid 6542] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6540] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 5074] fstat(3, [pid 6543] <... ioctl resumed>) = 0 [pid 6535] close(14 [pid 5079] rmdir("./120" [pid 6543] close(4 [pid 6542] <... symlinkat resumed>) = 0 [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... rmdir resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6543] <... close resumed>) = 0 [pid 6535] close(15 [pid 5079] mkdir("./121", 0777 [pid 6543] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... mkdir resumed>) = 0 [pid 6543] <... futex resumed>) = 1 [pid 6541] <... futex resumed>) = 0 [pid 6535] close(16 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6543] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6541] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 6543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6541] <... futex resumed>) = 0 [pid 6535] close(17 [pid 5079] ioctl(3, LOOP_CLR_FD [ 189.689804][ T6545] loop1: detected capacity change from 0 to 4096 [pid 6543] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6541] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6543] <... mkdirat resumed>) = 0 [pid 6542] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] close(18 [pid 5079] close(3 [pid 5074] getdents64(3, [pid 6543] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 6543] <... futex resumed>) = 1 [pid 6541] <... futex resumed>) = 0 [pid 6535] close(19 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6546 attached [pid 6543] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6541] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6542] <... futex resumed>) = 1 [pid 6540] <... futex resumed>) = 0 [pid 6546] set_robust_list(0x5555562845e0, 24 [pid 6545] <... mount resumed>) = 0 [pid 6543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6542] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6541] <... futex resumed>) = 0 [pid 6540] close(3 [pid 6535] close(20 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 244 [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6546] <... set_robust_list resumed>) = 0 [pid 6545] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6543] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6541] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6540] <... close resumed>) = 0 [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6546] chdir("./121" [pid 6540] close(4 [pid 6535] close(21 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6546] <... chdir resumed>) = 0 [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./113/binderfs", [pid 6546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6543] <... symlinkat resumed>) = 0 [pid 6545] <... openat resumed>) = 3 [pid 6540] close(5 [pid 6535] close(22 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6546] <... prctl resumed>) = 0 [pid 6545] chdir("./file0" [pid 6543] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] unlink("./113/binderfs" [pid 6546] setpgid(0, 0 [pid 6545] <... chdir resumed>) = 0 [pid 6543] <... futex resumed>) = 1 [pid 6541] <... futex resumed>) = 0 [pid 6540] close(6 [pid 6535] close(23 [pid 5074] <... unlink resumed>) = 0 [pid 6546] <... setpgid resumed>) = 0 [pid 6545] ioctl(4, LOOP_CLR_FD [pid 6543] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6541] close(3 [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./113/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6546] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6545] <... ioctl resumed>) = 0 [pid 6541] <... close resumed>) = 0 [pid 6535] close(24 [pid 6546] <... symlink resumed>) = 0 [pid 6540] close(7 [pid 6541] close(4 [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6545] close(4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6546] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] close(25 [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./113/cgroup", [pid 6540] close(8 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] unlink("./113/cgroup" [pid 6540] close(9 [pid 5074] <... unlink resumed>) = 0 [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./113/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6540] close(10 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./113/cgroup.net", [pid 6540] close(11 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] unlink("./113/cgroup.net" [pid 6546] <... symlink resumed>) = 0 [pid 6541] close(5 [pid 6540] close(12 [pid 6535] close(26 [pid 5074] <... unlink resumed>) = 0 [pid 6546] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6545] <... close resumed>) = 0 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6546] <... symlink resumed>) = 0 [pid 6545] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] close(6 [pid 6540] close(13 [pid 6535] close(27 [pid 6546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6545] <... futex resumed>) = 1 [pid 6544] <... futex resumed>) = 0 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6546] <... openat resumed>) = 3 [pid 6545] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6544] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] close(7 [pid 6540] close(14 [pid 6535] close(28 [pid 6546] write(3, "1000", 4 [pid 6544] <... futex resumed>) = 0 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6546] <... write resumed>) = 4 [pid 6544] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6541] close(8 [pid 6540] close(15 [pid 6535] close(29 [pid 6546] close(3 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6535] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6546] <... close resumed>) = 0 [pid 6541] close(9 [pid 6540] close(16 [pid 6535] exit_group(0 [pid 6546] symlink("/dev/binderfs", "./binderfs" [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6537] <... futex resumed>) = ? [pid 6535] <... exit_group resumed>) = ? [pid 6541] close(10 [pid 6540] close(17 [pid 6537] +++ exited with 0 +++ [pid 6535] +++ exited with 0 +++ [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6546] <... symlink resumed>) = 0 [pid 6541] close(11 [pid 6540] close(18 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6546] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6545] <... mkdirat resumed>) = 0 [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 6546] <... futex resumed>) = 0 [pid 6545] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] close(12 [pid 6540] close(19 [pid 5075] <... restart_syscall resumed>) = 0 [pid 6546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6544] <... futex resumed>) = 0 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6545] <... futex resumed>) = 1 [pid 6546] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6545] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6544] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] close(13 [pid 6540] close(20 [pid 6546] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6544] <... futex resumed>) = 0 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6546] <... mprotect resumed>) = 0 [pid 6544] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6541] close(14 [pid 6540] close(21 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6546] 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 6545] <... symlinkat resumed>) = 0 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6547 attached [pid 6545] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] close(15 [pid 6540] close(22 [pid 5075] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6547] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6546] <... clone resumed>, parent_tid=[245], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 245 [pid 6545] <... futex resumed>) = 1 [pid 6544] <... futex resumed>) = 0 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6547] <... set_robust_list resumed>) = 0 [pid 6546] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6545] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6544] close(3 [pid 6541] close(16 [pid 6540] close(23 [pid 5075] <... openat resumed>) = 3 [pid 6547] memfd_create("syzkaller", 0 [pid 6546] <... futex resumed>) = 0 [pid 6544] <... close resumed>) = 0 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] fstat(3, [pid 6547] <... memfd_create resumed>) = 3 [pid 6546] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6544] close(4 [pid 6541] close(17 [pid 6540] close(24 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] getdents64(3, [pid 6547] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6544] close(5 [pid 6541] close(18 [pid 6540] close(25 [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] <... umount2 resumed>) = 0 [pid 6544] close(6 [pid 6541] close(19 [pid 6540] close(26 [pid 5075] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6544] close(7 [pid 6541] close(20 [pid 6540] close(27 [pid 5075] lstat("./114/binderfs", [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./113/file0", [pid 6544] close(8 [pid 6541] close(21 [pid 6540] close(28 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6544] close(9 [pid 6541] close(22 [pid 6540] close(29 [pid 5075] unlink("./114/binderfs" [pid 5074] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6544] close(10 [pid 6541] close(23 [pid 6540] exit_group(0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6542] <... futex resumed>) = ? [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6540] <... exit_group resumed>) = ? [pid 5075] umount2("./114/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] openat(AT_FDCWD, "./113/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6544] close(11 [pid 6542] +++ exited with 0 +++ [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6544] close(12) = -1 EBADF (Bad file descriptor) [pid 6544] close(13 [pid 6540] +++ exited with 0 +++ [pid 6541] close(24 [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... openat resumed>) = 4 [pid 6544] close(14 [pid 6541] close(25 [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 5075] lstat("./114/cgroup", [pid 5074] fstat(4, [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] restart_syscall(<... resuming interrupted clone ...> [pid 6544] close(15 [pid 6541] close(26 [pid 5077] <... restart_syscall resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6544] close(16) = -1 EBADF (Bad file descriptor) [pid 6544] close(17) = -1 EBADF (Bad file descriptor) [pid 6544] close(18 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] unlink("./114/cgroup" [pid 5074] getdents64(4, [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6541] close(27 [pid 6544] close(19 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6547] 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 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6541] close(28 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] umount2("./114/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(4, [pid 6544] close(20 [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6541] close(29 [pid 6544] close(21) = -1 EBADF (Bad file descriptor) [pid 5077] <... openat resumed>) = 3 [pid 5075] lstat("./114/cgroup.net", [pid 5074] close(4 [pid 6544] close(22) = -1 EBADF (Bad file descriptor) [pid 6541] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] fstat(3, [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] <... close resumed>) = 0 [pid 6544] close(23 [pid 6541] exit_group(0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] unlink("./114/cgroup.net" [pid 5074] rmdir("./113/file0" [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6543] <... futex resumed>) = ? [pid 6541] <... exit_group resumed>) = ? [pid 5077] getdents64(3, [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 6547] <... write resumed>) = 2097152 [pid 6544] close(24 [pid 6543] +++ exited with 0 +++ [pid 5075] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6547] munmap(0x7f7a51cd9000, 2097152 [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6541] +++ exited with 0 +++ [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] umount2("./113/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6547] <... munmap resumed>) = 0 [pid 6544] close(25 [pid 5077] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5074] lstat("./113/cgroup.cpu", [pid 6544] close(26 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... restart_syscall resumed>) = 0 [pid 5074] unlink("./113/cgroup.cpu" [pid 6544] close(27 [pid 5074] <... unlink resumed>) = 0 [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] getdents64(3, [pid 6547] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6544] close(28 [pid 5076] umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6547] <... openat resumed>) = 4 [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] close(3 [pid 6547] ioctl(4, LOOP_SET_FD, 3 [pid 6544] close(29 [pid 5076] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... close resumed>) = 0 [pid 6544] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... openat resumed>) = 3 [pid 5074] rmdir("./113" [pid 6544] exit_group(0 [pid 5077] lstat("./116/binderfs", [pid 5076] fstat(3, [pid 5074] <... rmdir resumed>) = 0 [pid 6545] <... futex resumed>) = ? [pid 6544] <... exit_group resumed>) = ? [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] mkdir("./114", 0777 [pid 6545] +++ exited with 0 +++ [pid 6544] +++ exited with 0 +++ [pid 5077] unlink("./116/binderfs" [pid 5076] getdents64(3, [pid 5074] <... mkdir resumed>) = 0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5077] <... unlink resumed>) = 0 [pid 5076] umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... openat resumed>) = 3 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5077] umount2("./116/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5078] <... restart_syscall resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./112/binderfs", [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5077] lstat("./116/cgroup", [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] close(3 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] unlink("./112/binderfs" [pid 5075] <... umount2 resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5078] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... unlink resumed>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6548 attached [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] unlink("./116/cgroup" [pid 5076] umount2("./112/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6548] set_robust_list(0x5555562845e0, 24 [pid 5078] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 230 [pid 6548] <... set_robust_list resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5077] <... unlink resumed>) = 0 [pid 5076] lstat("./112/cgroup", [pid 6548] chdir("./114" [pid 5078] fstat(3, [pid 5077] umount2("./116/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6548] <... chdir resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] unlink("./112/cgroup" [pid 6548] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6547] <... ioctl resumed>) = 0 [pid 5078] getdents64(3, [pid 5077] lstat("./116/cgroup.net", [pid 5076] <... unlink resumed>) = 0 [pid 6548] <... prctl resumed>) = 0 [pid 6547] close(3 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] umount2("./112/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6548] setpgid(0, 0 [pid 6547] <... close resumed>) = 0 [pid 5078] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] unlink("./116/cgroup.net" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6548] <... setpgid resumed>) = 0 [pid 6547] mkdir("./file0", 0777 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./112/cgroup.net", [pid 6548] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6547] <... mkdir resumed>) = 0 [pid 5078] lstat("./119/binderfs", [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6548] <... symlink resumed>) = 0 [pid 6547] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] unlink("./112/cgroup.net" [pid 5075] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6548] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5078] unlink("./119/binderfs" [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6548] <... symlink resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5075] lstat("./114/file0", [pid 5078] umount2("./119/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 189.965287][ T6547] loop2: detected capacity change from 0 to 4096 [pid 6548] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] openat(AT_FDCWD, "./114/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6548] <... symlink resumed>) = 0 [pid 5078] lstat("./119/cgroup", [pid 5075] <... openat resumed>) = 4 [pid 6548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] fstat(4, [pid 6548] <... openat resumed>) = 3 [pid 5078] unlink("./119/cgroup" [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6548] write(3, "1000", 4 [pid 5078] <... unlink resumed>) = 0 [pid 5075] getdents64(4, [pid 6548] <... write resumed>) = 4 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] umount2("./119/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] close(4 [pid 6548] close(3 [pid 5075] <... close resumed>) = 0 [pid 5075] rmdir("./114/file0" [pid 6548] <... close resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... rmdir resumed>) = 0 [pid 6548] symlink("/dev/binderfs", "./binderfs" [pid 5075] umount2("./114/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./114/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] unlink("./114/cgroup.cpu" [pid 6548] <... symlink resumed>) = 0 [pid 5078] lstat("./119/cgroup.net", [pid 5077] <... umount2 resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6548] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] getdents64(3, [pid 6548] <... futex resumed>) = 0 [pid 5078] unlink("./119/cgroup.net" [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] <... unlink resumed>) = 0 [pid 5077] lstat("./116/file0", [pid 5075] close(3 [pid 6548] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6547] <... mount resumed>) = 0 [pid 5078] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... umount2 resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 6548] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6547] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5077] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] rmdir("./114" [pid 6548] <... mprotect resumed>) = 0 [pid 6547] <... openat resumed>) = 3 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... rmdir resumed>) = 0 [pid 6548] 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 6547] chdir("./file0" [pid 5077] openat(AT_FDCWD, "./116/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] lstat("./112/file0", [pid 5075] mkdir("./115", 0777./strace-static-x86_64: Process 6549 attached [pid 6547] <... chdir resumed>) = 0 [pid 5077] <... openat resumed>) = 4 [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... mkdir resumed>) = 0 [pid 6549] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6548] <... clone resumed>, parent_tid=[231], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 231 [pid 6547] ioctl(4, LOOP_CLR_FD [pid 5077] fstat(4, [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6549] <... set_robust_list resumed>) = 0 [pid 6548] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6547] <... ioctl resumed>) = 0 [pid 5078] <... umount2 resumed>) = 0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... openat resumed>) = 3 [pid 6549] memfd_create("syzkaller", 0 [pid 6548] <... futex resumed>) = 0 [pid 5077] getdents64(4, [pid 6547] close(4 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6549] <... memfd_create resumed>) = 3 [pid 6548] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6547] <... close resumed>) = 0 [pid 5078] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6549] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6547] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] getdents64(4, [pid 5076] openat(AT_FDCWD, "./112/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] close(3 [pid 6549] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6547] <... futex resumed>) = 1 [pid 6546] <... futex resumed>) = 0 [pid 5078] lstat("./119/file0", [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] <... openat resumed>) = 4 [pid 5075] <... close resumed>) = 0 [pid 6547] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6546] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] close(4 [pid 5076] fstat(4, [pid 6547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6546] <... futex resumed>) = 0 [pid 5078] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... close resumed>) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6547] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6546] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] rmdir("./116/file0" [pid 5076] getdents64(4, ./strace-static-x86_64: Process 6550 attached [pid 6547] <... mkdirat resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./119/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6550] set_robust_list(0x5555562845e0, 24 [pid 6547] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... openat resumed>) = 4 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] getdents64(4, [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 232 [pid 6550] <... set_robust_list resumed>) = 0 [pid 6547] <... futex resumed>) = 1 [pid 6546] <... futex resumed>) = 0 [pid 5078] fstat(4, [pid 5077] umount2("./116/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6550] chdir("./115" [pid 6547] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6546] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] close(4 [pid 6550] <... chdir resumed>) = 0 [pid 6547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6546] <... futex resumed>) = 0 [pid 5078] getdents64(4, [pid 5077] lstat("./116/cgroup.cpu", [pid 5076] <... close resumed>) = 0 [pid 6550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6547] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6546] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] rmdir("./112/file0" [pid 6550] <... prctl resumed>) = 0 [pid 6547] <... symlinkat resumed>) = 0 [pid 5078] getdents64(4, [pid 5077] unlink("./116/cgroup.cpu" [pid 5076] <... rmdir resumed>) = 0 [pid 6550] setpgid(0, 0 [pid 6547] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] umount2("./112/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6550] <... setpgid resumed>) = 0 [pid 6547] <... futex resumed>) = 1 [pid 6546] <... futex resumed>) = 0 [pid 5078] close(4 [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6550] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6547] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6546] close(3 [pid 5078] <... close resumed>) = 0 [pid 5077] getdents64(3, [pid 5076] lstat("./112/cgroup.cpu", [pid 6550] <... symlink resumed>) = 0 [pid 6546] <... close resumed>) = 0 [pid 5078] rmdir("./119/file0" [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6550] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6546] close(4 [pid 5078] <... rmdir resumed>) = 0 [pid 5077] close(3 [pid 5076] unlink("./112/cgroup.cpu" [pid 6550] <... symlink resumed>) = 0 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./119/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... close resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 6550] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6546] close(5 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] rmdir("./116" [pid 5076] getdents64(3, [pid 6550] <... symlink resumed>) = 0 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./119/cgroup.cpu", [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6546] close(6 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] close(3 [pid 6550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./119/cgroup.cpu" [pid 5077] <... rmdir resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 6550] <... openat resumed>) = 3 [pid 6546] close(7 [pid 5078] <... unlink resumed>) = 0 [pid 5076] rmdir("./112" [pid 5077] mkdir("./117", 0777 [pid 6550] write(3, "1000", 4 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(3, [pid 5076] <... rmdir resumed>) = 0 [pid 6546] close(8 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] mkdir("./113", 0777 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(3 [pid 5076] <... mkdir resumed>) = 0 [pid 6550] <... write resumed>) = 4 [pid 6549] 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 6546] close(9 [pid 5078] <... close resumed>) = 0 [pid 5077] <... mkdir resumed>) = 0 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6550] close(3 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] rmdir("./119" [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6550] <... close resumed>) = 0 [pid 6546] close(10 [pid 5078] <... rmdir resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 5076] <... openat resumed>) = 3 [pid 6550] symlink("/dev/binderfs", "./binderfs" [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] mkdir("./120", 0777 [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] ioctl(3, LOOP_CLR_FD [pid 6550] <... symlink resumed>) = 0 [pid 6546] close(11 [pid 5078] <... mkdir resumed>) = 0 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6550] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] close(3 [pid 6550] <... futex resumed>) = 0 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5077] <... close resumed>) = 0 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6546] close(12 [pid 5078] <... openat resumed>) = 3 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] close(3./strace-static-x86_64: Process 6551 attached [pid 6550] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5076] <... close resumed>) = 0 [pid 6551] set_robust_list(0x5555562845e0, 24 [pid 6550] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6546] close(13 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 236 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6551] <... set_robust_list resumed>) = 0 [pid 6550] <... mprotect resumed>) = 0 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(3./strace-static-x86_64: Process 6552 attached [pid 6550] 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 6551] chdir("./117"./strace-static-x86_64: Process 6553 attached [pid 6552] set_robust_list(0x5555562845e0, 24 [pid 6551] <... chdir resumed>) = 0 [pid 6546] close(14 [pid 5078] <... close resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 228 [pid 6553] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6552] <... set_robust_list resumed>) = 0 [pid 6551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6550] <... clone resumed>, parent_tid=[233], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 233 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6553] <... set_robust_list resumed>) = 0 [pid 6552] chdir("./113" [pid 6551] <... prctl resumed>) = 0 [pid 6550] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] close(15./strace-static-x86_64: Process 6554 attached [pid 6553] memfd_create("syzkaller", 0 [pid 6552] <... chdir resumed>) = 0 [pid 6551] setpgid(0, 0 [pid 6550] <... futex resumed>) = 0 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6554] set_robust_list(0x5555562845e0, 24 [pid 6553] <... memfd_create resumed>) = 3 [pid 6552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6551] <... setpgid resumed>) = 0 [pid 6550] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6546] close(16 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 242 [pid 6554] <... set_robust_list resumed>) = 0 [pid 6553] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6552] <... prctl resumed>) = 0 [pid 6551] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6554] chdir("./120" [pid 6553] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6552] setpgid(0, 0 [pid 6551] <... symlink resumed>) = 0 [pid 6546] close(17 [pid 6554] <... chdir resumed>) = 0 [pid 6552] <... setpgid resumed>) = 0 [pid 6551] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6549] <... write resumed>) = 2097152 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6554] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6552] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6551] <... symlink resumed>) = 0 [pid 6554] <... prctl resumed>) = 0 [pid 6552] <... symlink resumed>) = 0 [pid 6551] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6549] munmap(0x7f7a51cd9000, 2097152 [pid 6546] close(18 [pid 6554] setpgid(0, 0 [pid 6552] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6551] <... symlink resumed>) = 0 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6546] close(19 [pid 6554] <... setpgid resumed>) = 0 [pid 6552] <... symlink resumed>) = 0 [pid 6554] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6553] 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 6552] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6549] <... munmap resumed>) = 0 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6554] <... symlink resumed>) = 0 [pid 6554] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6552] <... symlink resumed>) = 0 [pid 6551] <... openat resumed>) = 3 [pid 6549] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6546] close(20 [pid 6554] <... symlink resumed>) = 0 [pid 6551] write(3, "1000", 4 [pid 6549] <... openat resumed>) = 4 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6554] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6551] <... write resumed>) = 4 [pid 6549] ioctl(4, LOOP_SET_FD, 3 [pid 6546] close(21 [pid 6552] <... openat resumed>) = 3 [pid 6551] close(3 [pid 6552] write(3, "1000", 4 [pid 6554] <... symlink resumed>) = 0 [pid 6551] <... close resumed>) = 0 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6546] close(22 [pid 6554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6552] <... write resumed>) = 4 [pid 6551] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6552] close(3 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] <... openat resumed>) = 3 [pid 6546] close(23 [pid 6554] write(3, "1000", 4 [pid 6552] <... close resumed>) = 0 [pid 6551] <... futex resumed>) = 0 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6554] <... write resumed>) = 4 [pid 6552] symlink("/dev/binderfs", "./binderfs" [pid 6551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6546] close(24 [pid 6554] close(3 [pid 6552] <... symlink resumed>) = 0 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6554] <... close resumed>) = 0 [pid 6552] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6546] close(25 [pid 6554] symlink("/dev/binderfs", "./binderfs" [pid 6552] <... futex resumed>) = 0 [pid 6551] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6554] <... symlink resumed>) = 0 [pid 6546] close(26 [pid 6554] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6551] <... mprotect resumed>) = 0 [pid 6549] <... ioctl resumed>) = 0 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6554] <... futex resumed>) = 0 [pid 6552] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6551] 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 6549] close(3 [pid 6546] close(27./strace-static-x86_64: Process 6555 attached [pid 6554] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6552] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6549] <... close resumed>) = 0 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6555] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6554] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6552] <... mprotect resumed>) = 0 [pid 6551] <... clone resumed>, parent_tid=[237], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 237 [pid 6549] mkdir("./file0", 0777 [pid 6546] close(28 [pid 6555] <... set_robust_list resumed>) = 0 [pid 6554] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6552] 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 6551] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] <... mkdir resumed>) = 0 [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6554] <... mprotect resumed>) = 0 [pid 6551] <... futex resumed>) = 0 [pid 6549] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6546] close(29./strace-static-x86_64: Process 6556 attached [pid 6555] memfd_create("syzkaller", 0 [pid 6554] 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 6553] <... write resumed>) = 2097152 [pid 6552] <... clone resumed>, parent_tid=[229], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 229 [pid 6551] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6546] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6557 attached [pid 6556] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6555] <... memfd_create resumed>) = 3 [pid 6553] munmap(0x7f7a51cd9000, 2097152 [pid 6552] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] exit_group(0 [pid 6557] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6556] <... set_robust_list resumed>) = 0 [ 190.288484][ T6549] loop0: detected capacity change from 0 to 4096 [pid 6555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6554] <... clone resumed>, parent_tid=[243], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 243 [pid 6553] <... munmap resumed>) = 0 [pid 6552] <... futex resumed>) = 0 [pid 6547] <... futex resumed>) = ? [pid 6546] <... exit_group resumed>) = ? [pid 6557] <... set_robust_list resumed>) = 0 [pid 6556] memfd_create("syzkaller", 0 [pid 6555] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6554] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6552] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6547] +++ exited with 0 +++ [pid 6557] memfd_create("syzkaller", 0 [pid 6556] <... memfd_create resumed>) = 3 [pid 6554] <... futex resumed>) = 0 [pid 6553] <... openat resumed>) = 4 [pid 6549] <... mount resumed>) = 0 [pid 6546] +++ exited with 0 +++ [pid 6554] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6549] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6549] chdir("./file0" [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 6549] <... chdir resumed>) = 0 [pid 5079] <... restart_syscall resumed>) = 0 [pid 6549] ioctl(4, LOOP_CLR_FD [pid 6557] <... memfd_create resumed>) = 3 [pid 6549] <... ioctl resumed>) = 0 [pid 6556] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6553] ioctl(4, LOOP_SET_FD, 3 [pid 6549] close(4 [pid 5079] umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6557] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6556] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6555] 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 6553] <... ioctl resumed>) = 0 [pid 6549] <... close resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6557] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6549] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6549] <... futex resumed>) = 1 [pid 6548] <... futex resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 6549] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6548] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] fstat(3, [pid 6548] <... futex resumed>) = 0 [pid 6553] close(3 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6553] <... close resumed>) = 0 [pid 6548] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 6553] mkdir("./file0", 0777 [pid 5079] umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./121/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./121/binderfs") = 0 [pid 5079] umount2("./121/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./121/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] unlink("./121/cgroup" [pid 6553] <... mkdir resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6553] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6549] <... mkdirat resumed>) = 0 [pid 5079] umount2("./121/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6549] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6549] <... futex resumed>) = 1 [pid 6548] <... futex resumed>) = 0 [pid 5079] lstat("./121/cgroup.net", [pid 6549] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6548] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6548] <... futex resumed>) = 0 [pid 5079] unlink("./121/cgroup.net" [pid 6549] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6548] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... unlink resumed>) = 0 [pid 6549] <... symlinkat resumed>) = 0 [pid 5079] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 190.382206][ T6553] loop3: detected capacity change from 0 to 4096 [pid 6549] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6548] <... futex resumed>) = 0 [pid 6549] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6548] close(3) = 0 [pid 6548] close(4) = -1 EBADF (Bad file descriptor) [pid 6548] close(5) = -1 EBADF (Bad file descriptor) [pid 6548] close(6) = -1 EBADF (Bad file descriptor) [pid 6548] close(7) = -1 EBADF (Bad file descriptor) [pid 6548] close(8) = -1 EBADF (Bad file descriptor) [pid 6548] close(9) = -1 EBADF (Bad file descriptor) [pid 6548] close(10) = -1 EBADF (Bad file descriptor) [pid 6548] close(11) = -1 EBADF (Bad file descriptor) [pid 6548] close(12) = -1 EBADF (Bad file descriptor) [pid 6548] close(13) = -1 EBADF (Bad file descriptor) [pid 6548] close(14) = -1 EBADF (Bad file descriptor) [pid 6548] close(15) = -1 EBADF (Bad file descriptor) [pid 6548] close(16) = -1 EBADF (Bad file descriptor) [pid 6548] close(17) = -1 EBADF (Bad file descriptor) [pid 6548] close(18) = -1 EBADF (Bad file descriptor) [pid 6548] close(19) = -1 EBADF (Bad file descriptor) [pid 6548] close(20) = -1 EBADF (Bad file descriptor) [pid 6548] close(21) = -1 EBADF (Bad file descriptor) [pid 6548] close(22 [pid 5079] <... umount2 resumed>) = 0 [pid 6548] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6548] close(23) = -1 EBADF (Bad file descriptor) [pid 6548] close(24) = -1 EBADF (Bad file descriptor) [pid 6548] close(25) = -1 EBADF (Bad file descriptor) [pid 6548] close(26) = -1 EBADF (Bad file descriptor) [pid 6548] close(27) = -1 EBADF (Bad file descriptor) [pid 6548] close(28) = -1 EBADF (Bad file descriptor) [pid 6548] close(29) = -1 EBADF (Bad file descriptor) [pid 6548] exit_group(0 [pid 6549] <... futex resumed>) = ? [pid 6548] <... exit_group resumed>) = ? [pid 6556] 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 6549] +++ exited with 0 +++ [pid 6548] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [pid 5074] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5074] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6555] <... write resumed>) = 2097152 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] lstat("./121/file0", [pid 5074] <... openat resumed>) = 3 [pid 6557] 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] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] fstat(3, [pid 5079] umount2("./121/file0", 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 5074] getdents64(3, [pid 6555] munmap(0x7f7a51cd9000, 2097152 [pid 5079] openat(AT_FDCWD, "./121/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6556] <... write resumed>) = 2097152 [pid 5079] <... openat resumed>) = 4 [pid 5074] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6556] munmap(0x7f7a51cd9000, 2097152 [pid 5079] fstat(4, [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] lstat("./114/binderfs", [pid 5079] getdents64(4, [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] unlink("./114/binderfs" [pid 5079] getdents64(4, [pid 5074] <... unlink resumed>) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] umount2("./114/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] close(4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... close resumed>) = 0 [pid 5074] lstat("./114/cgroup", [pid 6555] <... munmap resumed>) = 0 [pid 5079] rmdir("./121/file0" [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6555] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5079] <... rmdir resumed>) = 0 [pid 5074] unlink("./114/cgroup" [pid 6555] <... openat resumed>) = 4 [pid 6553] <... mount resumed>) = 0 [pid 5079] umount2("./121/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... unlink resumed>) = 0 [pid 6556] <... munmap resumed>) = 0 [pid 6555] ioctl(4, LOOP_SET_FD, 3 [pid 6553] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] umount2("./114/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6556] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6555] <... ioctl resumed>) = 0 [pid 6553] <... openat resumed>) = 3 [pid 5079] lstat("./121/cgroup.cpu", [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6556] <... openat resumed>) = 4 [pid 6553] chdir("./file0" [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] lstat("./114/cgroup.net", [pid 6556] ioctl(4, LOOP_SET_FD, 3 [pid 6553] <... chdir resumed>) = 0 [pid 5079] unlink("./121/cgroup.cpu" [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] unlink("./114/cgroup.net") = 0 [pid 5074] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6555] close(3) = 0 [pid 6555] mkdir("./file0", 0777 [pid 6553] ioctl(4, LOOP_CLR_FD [pid 5079] <... unlink resumed>) = 0 [pid 6553] <... ioctl resumed>) = 0 [pid 5079] getdents64(3, [pid 6557] <... write resumed>) = 2097152 [pid 6556] <... ioctl resumed>) = 0 [pid 6555] <... mkdir resumed>) = 0 [pid 6553] close(4 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6557] munmap(0x7f7a51cd9000, 2097152 [pid 6556] close(3 [pid 6555] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6553] <... close resumed>) = 0 [pid 5079] close(3 [pid 6557] <... munmap resumed>) = 0 [pid 6556] <... close resumed>) = 0 [pid 6553] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... close resumed>) = 0 [pid 6557] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6556] mkdir("./file0", 0777 [pid 6553] <... futex resumed>) = 1 [pid 6550] <... futex resumed>) = 0 [pid 5079] rmdir("./121" [pid 6557] <... openat resumed>) = 4 [pid 6556] <... mkdir resumed>) = 0 [ 190.533047][ T6555] loop5: detected capacity change from 0 to 4096 [ 190.543891][ T6556] loop4: detected capacity change from 0 to 4096 [pid 6553] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... rmdir resumed>) = 0 [pid 6557] ioctl(4, LOOP_SET_FD, 3 [pid 6556] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6550] <... futex resumed>) = 0 [pid 5079] mkdir("./122", 0777 [pid 5074] <... umount2 resumed>) = 0 [pid 6553] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6550] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... mkdir resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5079] close(3) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6558 attached [pid 6558] set_robust_list(0x5555562845e0, 24 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 246 [pid 6558] <... set_robust_list resumed>) = 0 [pid 6558] chdir("./122") = 0 [pid 6558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6558] setpgid(0, 0) = 0 [pid 6558] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6557] <... ioctl resumed>) = 0 [pid 6558] <... symlink resumed>) = 0 [pid 6558] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6558] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6558] write(3, "1000", 4) = 4 [pid 6557] close(3 [pid 6555] <... mount resumed>) = 0 [pid 6553] <... mkdirat resumed>) = 0 [pid 5074] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6558] close(3 [pid 6555] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6553] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6557] <... close resumed>) = 0 [pid 6558] <... close resumed>) = 0 [pid 6555] <... openat resumed>) = 3 [pid 6553] <... futex resumed>) = 1 [pid 6550] <... futex resumed>) = 0 [pid 6558] symlink("/dev/binderfs", "./binderfs" [pid 6555] chdir("./file0" [pid 6553] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6558] <... symlink resumed>) = 0 [pid 6557] mkdir("./file0", 0777 [pid 6555] <... chdir resumed>) = 0 [pid 6553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6550] <... futex resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6558] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] ioctl(4, LOOP_CLR_FD [pid 6553] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6550] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6558] <... futex resumed>) = 0 [pid 6557] <... mkdir resumed>) = 0 [pid 6555] <... ioctl resumed>) = 0 [pid 6553] <... symlinkat resumed>) = 0 [pid 5074] lstat("./114/file0", [pid 6558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6555] close(4 [pid 6553] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6558] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6557] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6555] <... close resumed>) = 0 [pid 6553] <... futex resumed>) = 1 [pid 6550] <... futex resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6558] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6555] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] close(3 [pid 6558] <... mprotect resumed>) = 0 [pid 6555] <... futex resumed>) = 1 [ 190.604809][ T6557] loop1: detected capacity change from 0 to 4096 [pid 6551] <... futex resumed>) = 0 [pid 6550] <... close resumed>) = 0 [pid 5074] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6558] 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 6555] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6551] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] close(4 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6559 attached [pid 6555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6551] <... futex resumed>) = 0 [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] openat(AT_FDCWD, "./114/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6559] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6558] <... clone resumed>, parent_tid=[247], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 247 [pid 6555] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6551] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6550] close(5 [pid 6559] <... set_robust_list resumed>) = 0 [pid 6558] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] <... mount resumed>) = 0 [pid 6555] <... mkdirat resumed>) = 0 [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... openat resumed>) = 4 [pid 6559] memfd_create("syzkaller", 0 [pid 6558] <... futex resumed>) = 0 [pid 6556] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6555] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] close(6 [pid 5074] fstat(4, [pid 6559] <... memfd_create resumed>) = 3 [pid 6558] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6556] <... openat resumed>) = 3 [pid 6555] <... futex resumed>) = 1 [pid 6551] <... futex resumed>) = 0 [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6556] chdir("./file0" [pid 6555] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6551] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] close(7 [pid 5074] getdents64(4, [pid 6559] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6556] <... chdir resumed>) = 0 [pid 6555] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6551] <... futex resumed>) = 0 [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6556] ioctl(4, LOOP_CLR_FD [pid 6555] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6551] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6550] close(8 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6556] <... ioctl resumed>) = 0 [pid 6555] <... symlinkat resumed>) = 0 [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] getdents64(4, [pid 6556] close(4 [pid 6555] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] close(9 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6556] <... close resumed>) = 0 [pid 6555] <... futex resumed>) = 1 [pid 6551] <... futex resumed>) = 0 [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] close(4 [pid 6556] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6551] close(3 [pid 6550] close(10 [pid 6556] <... futex resumed>) = 1 [pid 6552] <... futex resumed>) = 0 [pid 6551] <... close resumed>) = 0 [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = 0 [pid 6556] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6552] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] close(4 [pid 6550] close(11 [pid 5074] rmdir("./114/file0" [pid 6556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6552] <... futex resumed>) = 0 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6556] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6552] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6551] close(5 [pid 6550] close(12 [pid 5074] <... rmdir resumed>) = 0 [pid 6556] <... mkdirat resumed>) = 0 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./114/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6556] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] close(6 [pid 6550] close(13 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6556] <... futex resumed>) = 1 [pid 6552] <... futex resumed>) = 0 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6556] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6552] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] close(7 [pid 6550] close(14 [pid 5074] lstat("./114/cgroup.cpu", [pid 6557] <... mount resumed>) = 0 [pid 6556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6552] <... futex resumed>) = 0 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6557] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6556] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6552] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6551] close(8 [pid 6550] close(15 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] close(9 [pid 6550] close(16 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] close(10 [pid 6550] close(17 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6557] <... openat resumed>) = 3 [pid 6551] close(11 [pid 6550] close(18 [pid 5074] unlink("./114/cgroup.cpu" [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6557] chdir("./file0" [pid 6551] close(12 [pid 6550] close(19 [pid 6556] <... symlinkat resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 6559] 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 6557] <... chdir resumed>) = 0 [pid 6556] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6556] <... futex resumed>) = 1 [pid 6552] <... futex resumed>) = 0 [pid 6551] close(13 [pid 6550] close(20 [pid 6557] ioctl(4, LOOP_CLR_FD [pid 6556] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6552] close(3 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] getdents64(3, [pid 6552] <... close resumed>) = 0 [pid 6551] close(14 [pid 6550] close(21 [pid 6552] close(4 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] close(15 [pid 6550] close(22 [pid 6552] close(5 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] close(16 [pid 6550] close(23 [pid 6552] close(6 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] close(17 [pid 6550] close(24 [pid 6552] close(7 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] close(18 [pid 6550] close(25 [pid 6552] close(8 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] close(19 [pid 6550] close(26 [pid 6552] close(9 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] close(20 [pid 6550] close(27 [pid 6552] close(10 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] close(21 [pid 6550] close(28 [pid 6557] <... ioctl resumed>) = 0 [pid 6552] close(11 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6557] close(4 [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] close(22 [pid 6550] close(29 [pid 5074] close(3 [pid 6557] <... close resumed>) = 0 [pid 6552] close(12 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = 0 [pid 6557] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] close(23 [pid 6550] exit_group(0 [pid 5074] rmdir("./114" [pid 6557] <... futex resumed>) = 1 [pid 6554] <... futex resumed>) = 0 [pid 6553] <... futex resumed>) = ? [pid 6552] close(13 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6550] <... exit_group resumed>) = ? [pid 6557] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6554] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] +++ exited with 0 +++ [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] close(24 [pid 6550] +++ exited with 0 +++ [pid 5074] <... rmdir resumed>) = 0 [pid 6554] <... futex resumed>) = 0 [pid 6552] close(14 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=2 /* 0.02 s */} --- [pid 6557] <... mkdirat resumed>) = 0 [pid 6554] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] close(25 [pid 5074] mkdir("./115", 0777 [pid 6557] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] close(15 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] close(26 [pid 5075] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6557] <... futex resumed>) = 1 [pid 6554] <... futex resumed>) = 0 [pid 6552] close(16 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... mkdir resumed>) = 0 [pid 6557] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6554] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] close(27 [pid 5075] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6554] <... futex resumed>) = 0 [pid 6552] close(17 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... openat resumed>) = 3 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6554] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] close(28 [pid 5075] fstat(3, [pid 6552] close(18 [pid 6551] <... 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 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] close(29 [pid 5075] getdents64(3, [pid 6557] <... symlinkat resumed>) = 0 [pid 6552] close(19 [pid 6551] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6557] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] exit_group(0 [pid 5075] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6557] <... futex resumed>) = 1 [pid 6555] <... futex resumed>) = ? [pid 6554] <... futex resumed>) = 0 [pid 6552] close(20 [pid 6551] <... exit_group resumed>) = ? [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6559] <... write resumed>) = 2097152 [pid 6557] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6555] +++ exited with 0 +++ [pid 6554] close(3 [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6551] +++ exited with 0 +++ [pid 5075] lstat("./115/binderfs", [pid 5074] close(3 [pid 6559] munmap(0x7f7a51cd9000, 2097152 [pid 6554] <... close resumed>) = 0 [pid 6552] close(21 [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... close resumed>) = 0 [pid 6559] <... munmap resumed>) = 0 [pid 6554] close(4 [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6560 attached [pid 6559] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] close(22 [pid 5075] unlink("./115/binderfs" [pid 6560] set_robust_list(0x5555562845e0, 24 [pid 6559] <... openat resumed>) = 4 [pid 6554] close(5 [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 232 [pid 6560] <... set_robust_list resumed>) = 0 [pid 6559] ioctl(4, LOOP_SET_FD, 3 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] close(23 [pid 5077] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./115/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6560] chdir("./115" [pid 6559] <... ioctl resumed>) = 0 [pid 6554] close(6 [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6560] <... chdir resumed>) = 0 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] close(24 [pid 5077] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] lstat("./115/cgroup", [pid 6560] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6559] close(3 [pid 6554] close(7 [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... openat resumed>) = 3 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6560] <... prctl resumed>) = 0 [pid 6559] <... close resumed>) = 0 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] close(25 [pid 5077] fstat(3, [pid 5075] unlink("./115/cgroup" [pid 6560] setpgid(0, 0 [pid 6559] mkdir("./file0", 0777 [pid 6554] close(8 [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6560] <... setpgid resumed>) = 0 [pid 6559] <... mkdir resumed>) = 0 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] close(26 [pid 5077] getdents64(3, [pid 5075] <... unlink resumed>) = 0 [pid 6560] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6559] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6554] close(9 [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] umount2("./115/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6560] <... symlink resumed>) = 0 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] close(27 [pid 5077] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6560] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6554] close(10 [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./115/cgroup.net", [pid 6560] <... symlink resumed>) = 0 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] close(28 [pid 5077] lstat("./117/binderfs", [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6560] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6554] close(11 [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] unlink("./115/cgroup.net" [pid 6560] <... symlink resumed>) = 0 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] close(29 [pid 5077] unlink("./117/binderfs" [pid 5075] <... unlink resumed>) = 0 [pid 6560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6554] close(12 [pid 6552] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 5075] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6560] <... openat resumed>) = 3 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] exit_group(0 [pid 5077] umount2("./117/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6560] write(3, "1000", 4 [pid 6554] close(13 [pid 6560] <... write resumed>) = 4 [pid 6556] <... futex resumed>) = ? [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] <... exit_group resumed>) = ? [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6560] close(3 [pid 6554] close(14) = -1 EBADF (Bad file descriptor) [pid 6554] close(15 [pid 6560] <... close resumed>) = 0 [pid 6556] +++ exited with 0 +++ [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] +++ exited with 0 +++ [pid 5077] lstat("./117/cgroup", [pid 6560] symlink("/dev/binderfs", "./binderfs" [pid 6554] close(16 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6560] <... symlink resumed>) = 0 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./117/cgroup" [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=228, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=7 /* 0.07 s */} --- [pid 6560] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] close(17 [pid 5077] <... unlink resumed>) = 0 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 6560] <... futex resumed>) = 0 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./117/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... restart_syscall resumed>) = 0 [ 190.844696][ T6559] loop2: detected capacity change from 0 to 4096 [pid 6560] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6554] close(18 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6560] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./117/cgroup.net", [pid 6560] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6554] close(19 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6560] <... mprotect resumed>) = 0 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./117/cgroup.net" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6554] close(20 [pid 5076] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6560] 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 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6561 attached [pid 6554] close(21 [pid 5077] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] fstat(3, [pid 6561] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6560] <... clone resumed>, parent_tid=[233], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 233 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6561] <... set_robust_list resumed>) = 0 [pid 6560] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] close(22 [pid 5076] getdents64(3, [pid 6561] memfd_create("syzkaller", 0 [pid 6560] <... futex resumed>) = 0 [pid 6559] <... mount resumed>) = 0 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] <... umount2 resumed>) = 0 [pid 6561] <... memfd_create resumed>) = 3 [pid 6560] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6559] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6554] close(23 [pid 5076] umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6561] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6559] <... openat resumed>) = 3 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6561] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6559] chdir("./file0" [pid 6554] close(24 [pid 5076] lstat("./113/binderfs", [pid 5075] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6559] <... chdir resumed>) = 0 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6559] ioctl(4, LOOP_CLR_FD [pid 6554] close(25 [pid 5076] unlink("./113/binderfs" [pid 6559] <... ioctl resumed>) = 0 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6559] close(4 [pid 6554] close(26 [pid 5076] umount2("./113/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6561] 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 6559] <... close resumed>) = 0 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./115/file0", [pid 6559] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] close(27 [pid 5077] lstat("./117/file0", [pid 5076] lstat("./113/cgroup", [pid 6559] <... futex resumed>) = 1 [pid 6558] <... futex resumed>) = 0 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6559] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6558] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] close(28 [pid 5077] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] unlink("./113/cgroup" [pid 5075] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6558] <... futex resumed>) = 0 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... unlink resumed>) = 0 [pid 6559] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6558] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6554] close(29 [pid 5077] openat(AT_FDCWD, "./117/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] umount2("./113/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6559] <... mkdirat resumed>) = 0 [pid 6554] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... openat resumed>) = 4 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] openat(AT_FDCWD, "./115/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6559] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] exit_group(0 [pid 5077] fstat(4, [pid 5076] lstat("./113/cgroup.net", [pid 6559] <... futex resumed>) = 1 [pid 6558] <... futex resumed>) = 0 [pid 6557] <... futex resumed>) = ? [pid 6554] <... exit_group resumed>) = ? [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... openat resumed>) = 4 [pid 6559] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6558] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6557] +++ exited with 0 +++ [pid 6554] +++ exited with 0 +++ [pid 5077] getdents64(4, [pid 5076] unlink("./113/cgroup.net" [pid 5075] fstat(4, [pid 6559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6558] <... futex resumed>) = 0 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] <... unlink resumed>) = 0 [pid 6559] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6558] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] getdents64(4, [pid 5076] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6559] <... symlinkat resumed>) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6559] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] getdents64(4, [pid 5077] close(4 [pid 6559] <... futex resumed>) = 1 [pid 6558] <... futex resumed>) = 0 [pid 6559] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6558] close(3 [pid 5077] <... close resumed>) = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6558] <... close resumed>) = 0 [pid 5077] rmdir("./117/file0" [pid 5075] getdents64(4, [pid 6558] close(4) = -1 EBADF (Bad file descriptor) [pid 5077] <... rmdir resumed>) = 0 [pid 6558] close(5 [pid 5078] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./117/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6558] close(6 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] close(4 [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6558] close(7 [pid 5077] lstat("./117/cgroup.cpu", [pid 5075] <... close resumed>) = 0 [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 3 [pid 6558] close(8 [pid 5078] fstat(3, [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] rmdir("./115/file0" [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] unlink("./117/cgroup.cpu" [pid 6558] close(9 [pid 5075] <... rmdir resumed>) = 0 [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(3, [pid 5077] <... unlink resumed>) = 0 [pid 5075] umount2("./115/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6558] close(10 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] getdents64(3, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6558] close(11 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] lstat("./115/cgroup.cpu", [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./120/binderfs", [pid 5077] close(3 [pid 6558] close(12 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] <... close resumed>) = 0 [pid 5076] <... umount2 resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./120/binderfs" [pid 5077] rmdir("./117" [pid 5075] unlink("./115/cgroup.cpu" [pid 6558] close(13) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 6558] close(14) = -1 EBADF (Bad file descriptor) [pid 5077] <... rmdir resumed>) = 0 [pid 6558] close(15 [pid 5078] umount2("./120/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] mkdir("./118", 0777 [pid 5075] <... unlink resumed>) = 0 [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6558] close(16 [pid 5078] lstat("./120/cgroup", [pid 5077] <... mkdir resumed>) = 0 [pid 5075] getdents64(3, [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5076] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6558] close(17 [pid 5078] unlink("./120/cgroup" [pid 5077] <... openat resumed>) = 3 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] close(3 [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] lstat("./113/file0", [pid 6558] close(18 [pid 5078] umount2("./120/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... close resumed>) = 0 [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] close(3 [pid 5076] umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] rmdir("./115" [pid 6558] close(19 [pid 5078] lstat("./120/cgroup.net", [pid 5077] <... close resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] openat(AT_FDCWD, "./113/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... rmdir resumed>) = 0 [pid 6558] close(20 [pid 5078] unlink("./120/cgroup.net" [pid 5076] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6562 attached [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] fstat(4, [pid 5075] mkdir("./116", 0777 [pid 6562] set_robust_list(0x5555562845e0, 24 [pid 6558] close(21 [pid 5078] <... unlink resumed>) = 0 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 238 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6562] <... set_robust_list resumed>) = 0 [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] getdents64(4, [pid 5075] <... mkdir resumed>) = 0 [pid 6562] chdir("./118" [pid 6558] close(22 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6562] <... chdir resumed>) = 0 [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] getdents64(4, [pid 6562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6558] close(23 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] <... openat resumed>) = 3 [pid 6562] <... prctl resumed>) = 0 [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] close(4 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6562] setpgid(0, 0 [pid 6558] close(24 [pid 5076] <... close resumed>) = 0 [pid 6562] <... setpgid resumed>) = 0 [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] rmdir("./113/file0" [pid 6562] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6558] close(25 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6562] <... symlink resumed>) = 0 [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./113/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] close(3 [pid 6562] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6561] <... write resumed>) = 2097152 [pid 6558] close(26 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... close resumed>) = 0 [pid 6562] <... symlink resumed>) = 0 [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] lstat("./113/cgroup.cpu", [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6562] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6558] close(27 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6562] <... symlink resumed>) = 0 [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] unlink("./113/cgroup.cpu"./strace-static-x86_64: Process 6563 attached [pid 6562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6558] close(28 [pid 5076] <... unlink resumed>) = 0 [pid 6563] set_robust_list(0x5555562845e0, 24 [pid 6562] <... openat resumed>) = 3 [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] getdents64(3, [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 234 [pid 6563] <... set_robust_list resumed>) = 0 [pid 6562] write(3, "1000", 4 [pid 6558] close(29 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6563] chdir("./116" [pid 6562] <... write resumed>) = 4 [pid 6558] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] close(3 [pid 6563] <... chdir resumed>) = 0 [pid 6562] close(3 [pid 6558] exit_group(0 [pid 5076] <... close resumed>) = 0 [pid 6561] munmap(0x7f7a51cd9000, 2097152 [pid 6563] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6562] <... close resumed>) = 0 [pid 6559] <... futex resumed>) = ? [pid 6558] <... exit_group resumed>) = ? [pid 5076] rmdir("./113" [pid 6563] <... prctl resumed>) = 0 [pid 6562] symlink("/dev/binderfs", "./binderfs" [pid 6559] +++ exited with 0 +++ [pid 6558] +++ exited with 0 +++ [pid 5076] <... rmdir resumed>) = 0 [pid 6563] setpgid(0, 0 [pid 6562] <... symlink resumed>) = 0 [pid 5076] mkdir("./114", 0777 [pid 6563] <... setpgid resumed>) = 0 [pid 6562] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5078] <... umount2 resumed>) = 0 [pid 5076] <... mkdir resumed>) = 0 [pid 6563] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6562] <... futex resumed>) = 0 [pid 6561] <... munmap resumed>) = 0 [pid 5079] umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6563] <... symlink resumed>) = 0 [pid 6562] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6561] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... openat resumed>) = 3 [pid 6563] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6562] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5079] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] ioctl(3, LOOP_CLR_FD [pid 6561] <... openat resumed>) = 4 [pid 6563] <... symlink resumed>) = 0 [pid 6562] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] <... openat resumed>) = 3 [pid 5078] lstat("./120/file0", [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6561] ioctl(4, LOOP_SET_FD, 3 [pid 6563] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6562] <... mprotect resumed>) = 0 [pid 5079] fstat(3, [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] close(3 [pid 6563] <... symlink resumed>) = 0 [pid 6562] 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] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... close resumed>) = 0 ./strace-static-x86_64: Process 6564 attached [pid 6563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] getdents64(3, [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 6565 attached [pid 6564] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6563] <... openat resumed>) = 3 [pid 6562] <... clone resumed>, parent_tid=[239], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 239 [pid 6561] <... ioctl resumed>) = 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] openat(AT_FDCWD, "./120/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6565] set_robust_list(0x5555562845e0, 24 [pid 6564] <... set_robust_list resumed>) = 0 [pid 6563] write(3, "1000", 4 [pid 6562] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./122/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... openat resumed>) = 4 [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 230 [pid 6561] close(3 [pid 6565] <... set_robust_list resumed>) = 0 [pid 6564] memfd_create("syzkaller", 0 [pid 6563] <... write resumed>) = 4 [pid 6562] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6561] <... close resumed>) = 0 [pid 5078] fstat(4, [pid 6565] chdir("./114" [pid 6564] <... memfd_create resumed>) = 3 [pid 6563] close(3 [pid 6562] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6561] mkdir("./file0", 0777 [pid 5079] lstat("./122/binderfs", [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6565] <... chdir resumed>) = 0 [pid 6564] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6563] <... close resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6564] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6563] symlink("/dev/binderfs", "./binderfs" [pid 5079] unlink("./122/binderfs" [pid 6565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6563] <... symlink resumed>) = 0 [pid 6561] <... mkdir resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] getdents64(4, [pid 6565] <... prctl resumed>) = 0 [pid 6563] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5079] umount2("./122/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6565] setpgid(0, 0 [pid 6563] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] lstat("./122/cgroup", [pid 6565] <... setpgid resumed>) = 0 [pid 6563] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] getdents64(4, [pid 6565] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6563] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] unlink("./122/cgroup" [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6565] <... symlink resumed>) = 0 [pid 6563] <... mprotect resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5078] close(4 [pid 6565] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6563] 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] umount2("./122/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... close resumed>) = 0 ./strace-static-x86_64: Process 6566 attached [pid 6565] <... symlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] rmdir("./120/file0" [pid 6566] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6565] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6563] <... clone resumed>, parent_tid=[235], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 235 [pid 5079] lstat("./122/cgroup.net", [pid 5078] <... rmdir resumed>) = 0 [pid 6566] <... set_robust_list resumed>) = 0 [pid 6565] <... symlink resumed>) = 0 [pid 6563] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] umount2("./120/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [ 191.147953][ T6561] loop0: detected capacity change from 0 to 4096 [pid 6566] memfd_create("syzkaller", 0 [pid 6565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6563] <... futex resumed>) = 0 [pid 5079] unlink("./122/cgroup.net" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6566] <... memfd_create resumed>) = 3 [pid 6565] <... openat resumed>) = 3 [pid 6563] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] <... unlink resumed>) = 0 [pid 5078] lstat("./120/cgroup.cpu", [pid 6566] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6565] write(3, "1000", 4 [pid 5079] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6566] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6565] <... write resumed>) = 4 [pid 5078] unlink("./120/cgroup.cpu" [pid 6565] close(3 [pid 6564] 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 6565] <... close resumed>) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6565] symlink("/dev/binderfs", "./binderfs" [pid 5078] getdents64(3, [pid 6565] <... symlink resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6565] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] close(3 [pid 6565] <... futex resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 6565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] rmdir("./120" [pid 6565] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6565] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6561] <... mount resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 6565] <... mprotect resumed>) = 0 [pid 6561] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5078] mkdir("./121", 0777 [pid 6565] 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 6561] <... openat resumed>) = 3 [pid 5078] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6567 attached [pid 6561] chdir("./file0" [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6567] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6565] <... clone resumed>, parent_tid=[231], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 231 [pid 6561] <... chdir resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 6567] <... set_robust_list resumed>) = 0 [pid 6565] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] ioctl(4, LOOP_CLR_FD [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6565] <... futex resumed>) = 0 [pid 6567] memfd_create("syzkaller", 0 [pid 6565] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6561] <... ioctl resumed>) = 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6567] <... memfd_create resumed>) = 3 [pid 6561] close(4 [pid 5079] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] close(3 [pid 6567] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6561] <... close resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./122/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6567] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6561] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... close resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./122/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [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("./122/file0" [pid 6561] <... futex resumed>) = 1 [pid 6560] <... futex resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6561] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6560] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./122/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6568 attached [pid 6561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6560] <... futex resumed>) = 0 [pid 5079] lstat("./122/cgroup.cpu", [pid 6568] set_robust_list(0x5555562845e0, 24 [pid 6561] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6560] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 244 [pid 6568] <... set_robust_list resumed>) = 0 [pid 6566] 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] unlink("./122/cgroup.cpu" [pid 6568] chdir("./121" [pid 6561] <... mkdirat resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6568] <... chdir resumed>) = 0 [pid 6561] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] getdents64(3, [pid 6568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6564] <... write resumed>) = 2097152 [pid 6561] <... futex resumed>) = 1 [pid 6560] <... futex resumed>) = 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6568] <... prctl resumed>) = 0 [pid 6564] munmap(0x7f7a51cd9000, 2097152 [pid 6561] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6560] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] close(3 [pid 6568] setpgid(0, 0 [pid 6560] <... futex resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 6568] <... setpgid resumed>) = 0 [pid 6560] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] rmdir("./122" [pid 6568] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6561] <... symlinkat resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 6568] <... symlink resumed>) = 0 [pid 6567] 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 6561] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] mkdir("./123", 0777 [pid 6568] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6564] <... munmap resumed>) = 0 [pid 6561] <... futex resumed>) = 1 [pid 6560] <... futex resumed>) = 0 [pid 5079] <... mkdir resumed>) = 0 [pid 6568] <... symlink resumed>) = 0 [pid 6564] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6561] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6560] close(3 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6568] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6564] <... openat resumed>) = 4 [pid 6560] <... close resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 6568] <... symlink resumed>) = 0 [pid 6564] ioctl(4, LOOP_SET_FD, 3 [pid 6560] close(4 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6568] <... openat resumed>) = 3 [pid 5079] close(3 [pid 6568] write(3, "1000", 4 [pid 5079] <... close resumed>) = 0 [pid 6568] <... write resumed>) = 4 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6569 attached [pid 6568] close(3 [pid 6569] set_robust_list(0x5555562845e0, 24 [pid 6568] <... close resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 248 [pid 6569] <... set_robust_list resumed>) = 0 [pid 6568] symlink("/dev/binderfs", "./binderfs" [pid 6569] chdir("./123" [pid 6568] <... symlink resumed>) = 0 [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6569] <... chdir resumed>) = 0 [pid 6568] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6560] close(5 [pid 6569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6568] <... futex resumed>) = 0 [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6569] <... prctl resumed>) = 0 [pid 6568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6564] <... ioctl resumed>) = 0 [pid 6560] close(6 [pid 6569] setpgid(0, 0 [pid 6568] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6564] close(3 [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6569] <... setpgid resumed>) = 0 [pid 6568] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6564] <... close resumed>) = 0 [pid 6560] close(7 [pid 6569] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6568] <... mprotect resumed>) = 0 [pid 6564] mkdir("./file0", 0777 [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6569] <... symlink resumed>) = 0 [pid 6568] 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 6570 attached [pid 6569] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6564] <... mkdir resumed>) = 0 [pid 6560] close(8 [pid 6570] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6569] <... symlink resumed>) = 0 [pid 6568] <... clone resumed>, parent_tid=[245], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 245 [pid 6564] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6570] <... set_robust_list resumed>) = 0 [pid 6569] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6568] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] <... write resumed>) = 2097152 [pid 6569] <... symlink resumed>) = 0 [pid 6568] <... futex resumed>) = 0 [pid 6560] close(9 [ 191.357921][ T6564] loop5: detected capacity change from 0 to 4096 [pid 6570] memfd_create("syzkaller", 0 [pid 6569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6568] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6570] <... memfd_create resumed>) = 3 [pid 6569] <... openat resumed>) = 3 [pid 6567] munmap(0x7f7a51cd9000, 2097152 [pid 6560] close(10 [pid 6570] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6569] write(3, "1000", 4) = 4 [pid 6569] close(3) = 0 [pid 6569] symlink("/dev/binderfs", "./binderfs" [pid 6570] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6569] <... symlink resumed>) = 0 [pid 6567] <... munmap resumed>) = 0 [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6569] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6560] close(11 [pid 6569] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6567] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6569] <... mprotect resumed>) = 0 [pid 6567] <... openat resumed>) = 4 [pid 6566] <... write resumed>) = 2097152 [pid 6560] close(12 [pid 6569] 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 6567] ioctl(4, LOOP_SET_FD, 3 [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6571 attached [pid 6566] munmap(0x7f7a51cd9000, 2097152 [pid 6560] close(13 [pid 6571] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6569] <... clone resumed>, parent_tid=[249], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 249 [pid 6566] <... munmap resumed>) = 0 [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6571] <... set_robust_list resumed>) = 0 [pid 6569] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6560] close(14 [pid 6571] memfd_create("syzkaller", 0 [pid 6569] <... futex resumed>) = 0 [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6571] <... memfd_create resumed>) = 3 [pid 6569] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6560] close(15 [pid 6571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6571] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6560] close(16 [pid 6567] <... ioctl resumed>) = 0 [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6566] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6566] ioctl(4, LOOP_SET_FD, 3 [pid 6570] 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 6567] close(3 [pid 6566] <... ioctl resumed>) = 0 [pid 6564] <... mount resumed>) = 0 [pid 6560] close(17 [pid 6566] close(3) = 0 [pid 6566] mkdir("./file0", 0777 [pid 6571] 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 6566] <... mkdir resumed>) = 0 [pid 6567] <... close resumed>) = 0 [pid 6564] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6567] mkdir("./file0", 0777 [pid 6564] <... openat resumed>) = 3 [pid 6560] close(18 [pid 6567] <... mkdir resumed>) = 0 [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6567] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6564] chdir("./file0" [pid 6560] close(19) = -1 EBADF (Bad file descriptor) [pid 6564] <... chdir resumed>) = 0 [pid 6560] close(20) = -1 EBADF (Bad file descriptor) [pid 6564] ioctl(4, LOOP_CLR_FD) = 0 [pid 6560] close(21 [pid 6564] close(4 [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6564] <... close resumed>) = 0 [pid 6566] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6560] close(22 [pid 6564] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6564] <... futex resumed>) = 1 [pid 6562] <... futex resumed>) = 0 [pid 6560] close(23 [pid 6564] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6562] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6562] <... futex resumed>) = 0 [pid 6560] close(24 [pid 6564] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6562] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6564] <... mkdirat resumed>) = 0 [pid 6560] close(25 [pid 6564] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6564] <... futex resumed>) = 1 [pid 6562] <... futex resumed>) = 0 [ 191.441241][ T6567] loop4: detected capacity change from 0 to 4096 [ 191.474481][ T6566] loop3: detected capacity change from 0 to 4096 [pid 6560] close(26 [pid 6564] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6562] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6562] <... futex resumed>) = 0 [pid 6560] close(27 [pid 6564] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6562] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6560] close(28 [pid 6564] <... symlinkat resumed>) = 0 [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6560] close(29 [pid 6564] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6560] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6564] <... futex resumed>) = 1 [pid 6562] <... futex resumed>) = 0 [pid 6560] exit_group(0 [pid 6564] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6562] close(3 [pid 6561] <... futex resumed>) = ? [pid 6560] <... exit_group resumed>) = ? [pid 6562] <... close resumed>) = 0 [pid 6562] close(4) = -1 EBADF (Bad file descriptor) [pid 6561] +++ exited with 0 +++ [pid 6560] +++ exited with 0 +++ [pid 6562] close(5 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6562] close(6) = -1 EBADF (Bad file descriptor) [pid 6562] close(7 [pid 6570] <... write resumed>) = 2097152 [pid 6567] <... mount resumed>) = 0 [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6567] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6562] close(8 [pid 5074] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6567] <... openat resumed>) = 3 [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6567] chdir("./file0" [pid 6562] close(9 [pid 5074] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6567] <... chdir resumed>) = 0 [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... openat resumed>) = 3 [pid 6567] ioctl(4, LOOP_CLR_FD [pid 6562] close(10 [pid 5074] fstat(3, [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6562] close(11 [pid 5074] getdents64(3, [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6562] close(12 [pid 5074] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6567] <... ioctl resumed>) = 0 [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6567] close(4 [pid 6562] close(13 [pid 5074] lstat("./115/binderfs", [pid 6567] <... close resumed>) = 0 [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6562] close(14 [pid 5074] unlink("./115/binderfs" [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... unlink resumed>) = 0 [pid 6562] close(15 [pid 5074] umount2("./115/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6567] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6562] close(16 [pid 5074] lstat("./115/cgroup", [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6562] close(17 [pid 5074] unlink("./115/cgroup" [pid 6567] <... futex resumed>) = 1 [pid 6565] <... futex resumed>) = 0 [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... unlink resumed>) = 0 [pid 6567] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6565] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] close(18 [pid 5074] umount2("./115/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6567] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6565] <... futex resumed>) = 0 [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6567] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6565] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] close(19 [pid 5074] lstat("./115/cgroup.net", [pid 6567] <... mkdirat resumed>) = 0 [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6571] <... write resumed>) = 2097152 [pid 6570] munmap(0x7f7a51cd9000, 2097152 [pid 6567] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] close(20 [pid 5074] unlink("./115/cgroup.net" [pid 6571] munmap(0x7f7a51cd9000, 2097152 [pid 6567] <... futex resumed>) = 1 [pid 6566] <... mount resumed>) = 0 [pid 6565] <... futex resumed>) = 0 [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6570] <... munmap resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 6566] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6562] close(21 [pid 5074] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6571] <... munmap resumed>) = 0 [pid 6570] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6567] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6566] <... openat resumed>) = 3 [pid 6565] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6571] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6570] <... openat resumed>) = 4 [pid 6571] <... openat resumed>) = 4 [pid 6570] ioctl(4, LOOP_SET_FD, 3 [pid 6571] ioctl(4, LOOP_SET_FD, 3 [pid 6570] <... ioctl resumed>) = 0 [pid 6565] <... futex resumed>) = 0 [pid 6562] close(22 [pid 6565] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6567] <... symlinkat resumed>) = 0 [pid 6562] close(23) = -1 EBADF (Bad file descriptor) [pid 6567] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] close(24 [pid 6565] <... futex resumed>) = 0 [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6567] <... futex resumed>) = 1 [pid 6566] chdir("./file0" [pid 6562] close(25 [pid 6565] close(3 [pid 6567] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6565] <... close resumed>) = 0 [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6570] close(3 [pid 6566] <... chdir resumed>) = 0 [pid 6565] close(4 [pid 6562] close(26 [pid 6571] <... ioctl resumed>) = 0 [pid 6566] ioctl(4, LOOP_CLR_FD [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = 0 [pid 6571] close(3 [pid 6566] <... ioctl resumed>) = 0 [pid 6565] close(5 [pid 6562] close(27 [pid 6571] <... close resumed>) = 0 [pid 6566] close(4 [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6571] mkdir("./file0", 0777 [pid 6566] <... close resumed>) = 0 [pid 6565] close(6 [pid 6562] close(28 [pid 6571] <... mkdir resumed>) = 0 [pid 6566] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6571] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6566] <... futex resumed>) = 1 [pid 6565] close(7 [pid 6563] <... futex resumed>) = 0 [pid 6562] close(29 [pid 5074] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6566] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6565] close(8 [pid 6563] <... futex resumed>) = 0 [pid 6562] exit_group(0 [pid 5074] lstat("./115/file0", [pid 6566] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6564] <... futex resumed>) = ? [pid 6563] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... exit_group resumed>) = ? [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6565] close(9 [pid 6564] +++ exited with 0 +++ [pid 6562] +++ exited with 0 +++ [pid 5074] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [ 191.634227][ T6570] loop1: detected capacity change from 0 to 4096 [ 191.640922][ T6571] loop2: detected capacity change from 0 to 4096 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6565] close(10 [pid 5074] openat(AT_FDCWD, "./115/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6565] close(11 [pid 5074] <... openat resumed>) = 4 [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] fstat(4, [pid 6565] close(12 [pid 6570] <... close resumed>) = 0 [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6566] <... mkdirat resumed>) = 0 [pid 6565] close(13 [pid 5077] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(4, [pid 6566] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6570] mkdir("./file0", 0777 [pid 6566] <... futex resumed>) = 1 [pid 6565] close(14 [pid 6563] <... futex resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6566] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... openat resumed>) = 3 [pid 5074] getdents64(4, [pid 6566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6565] close(15 [pid 6563] <... futex resumed>) = 0 [pid 5077] fstat(3, [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6566] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] close(4 [pid 6570] <... mkdir resumed>) = 0 [pid 6565] close(16 [pid 5077] getdents64(3, [pid 5074] <... close resumed>) = 0 [pid 6570] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] rmdir("./115/file0" [pid 6566] <... symlinkat resumed>) = 0 [pid 6566] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] close(17 [pid 5077] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6566] <... futex resumed>) = 1 [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] <... futex resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... rmdir resumed>) = 0 [pid 6571] <... mount resumed>) = 0 [pid 6566] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6565] close(18 [pid 6563] close(3 [pid 5077] lstat("./118/binderfs", [pid 5074] umount2("./115/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6571] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] <... close resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6571] <... openat resumed>) = 3 [pid 6565] close(19 [pid 6563] close(4 [pid 5077] unlink("./118/binderfs" [pid 5074] lstat("./115/cgroup.cpu", [pid 6571] chdir("./file0" [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6571] <... chdir resumed>) = 0 [pid 6565] close(20 [pid 6563] close(5 [pid 5077] umount2("./118/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] unlink("./115/cgroup.cpu" [pid 6571] ioctl(4, LOOP_CLR_FD [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6571] <... ioctl resumed>) = 0 [pid 6565] close(21 [pid 6563] close(6 [pid 5077] lstat("./118/cgroup", [pid 5074] <... unlink resumed>) = 0 [pid 6571] close(4 [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] getdents64(3, [pid 6571] <... close resumed>) = 0 [pid 6565] close(22 [pid 6563] close(7 [pid 5077] unlink("./118/cgroup" [pid 6571] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 6571] <... futex resumed>) = 1 [pid 6569] <... futex resumed>) = 0 [pid 6565] close(23 [pid 6563] close(8 [pid 5077] umount2("./118/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6571] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6569] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6569] <... futex resumed>) = 0 [pid 6565] close(24 [pid 6563] close(9 [pid 5077] lstat("./118/cgroup.net", [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6571] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6569] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] close(3 [pid 6571] <... mkdirat resumed>) = 0 [pid 6565] close(25 [pid 6563] close(10 [pid 5077] unlink("./118/cgroup.net" [pid 5074] <... close resumed>) = 0 [pid 6571] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 5074] rmdir("./115" [pid 6571] <... futex resumed>) = 1 [pid 6569] <... futex resumed>) = 0 [pid 6565] close(26 [pid 6563] close(11 [pid 5077] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6571] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6569] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... rmdir resumed>) = 0 [pid 6571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6569] <... futex resumed>) = 0 [pid 6565] close(27 [pid 6563] close(12 [pid 5074] mkdir("./116", 0777 [pid 6571] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6569] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6571] <... symlinkat resumed>) = 0 [pid 6570] <... mount resumed>) = 0 [pid 6565] close(28 [pid 6563] close(13 [pid 5074] <... mkdir resumed>) = 0 [pid 6571] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6571] <... futex resumed>) = 1 [pid 6570] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6569] <... futex resumed>) = 0 [pid 6565] close(29 [pid 6563] close(14 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6571] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6569] close(3 [pid 6565] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6570] <... openat resumed>) = 3 [pid 6569] <... close resumed>) = 0 [pid 6565] exit_group(0 [pid 6563] close(15 [pid 5077] <... umount2 resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 6570] chdir("./file0" [pid 6569] close(4 [pid 6567] <... futex resumed>) = ? [pid 6565] <... exit_group resumed>) = ? [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6570] <... chdir resumed>) = 0 [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6567] +++ exited with 0 +++ [pid 6565] +++ exited with 0 +++ [pid 6563] close(16 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6570] ioctl(4, LOOP_CLR_FD [pid 6569] close(5 [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5074] close(3 [pid 6570] <... ioctl resumed>) = 0 [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] close(17 [pid 6570] close(4 [pid 6569] close(6 [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = 0 [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] close(18 [pid 5077] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6569] close(7 [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] close(19 [pid 5077] lstat("./118/file0", [pid 5076] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6569] close(8 [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... openat resumed>) = 3 [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] close(20 [pid 5077] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] fstat(3, [pid 6569] close(9 [pid 6563] <... 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 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] close(21 [pid 5077] openat(AT_FDCWD, "./118/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] getdents64(3, [pid 6570] <... close resumed>) = 0 [pid 6569] close(10 [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... openat resumed>) = 4 [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6570] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] close(22 [pid 5077] fstat(4, [pid 5076] umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6569] close(11 [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6572 attached [pid 6570] <... futex resumed>) = 1 [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6568] <... futex resumed>) = 0 [pid 6563] close(23 [pid 5077] getdents64(4, [pid 5076] lstat("./114/binderfs", [pid 6572] set_robust_list(0x5555562845e0, 24 [pid 6570] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6569] close(12 [pid 6568] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 234 [pid 6572] <... set_robust_list resumed>) = 0 [pid 6570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6568] <... futex resumed>) = 0 [pid 6563] close(24 [pid 5077] getdents64(4, [pid 5076] unlink("./114/binderfs" [pid 6572] chdir("./116" [pid 6570] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6569] close(13 [pid 6568] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6572] <... chdir resumed>) = 0 [pid 6570] <... mkdirat resumed>) = 0 [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] close(25 [pid 5077] close(4 [pid 5076] <... unlink resumed>) = 0 [pid 6572] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6570] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] <... prctl resumed>) = 0 [pid 6570] <... futex resumed>) = 1 [pid 6572] setpgid(0, 0 [pid 6570] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6572] <... setpgid resumed>) = 0 [pid 6572] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6569] close(14 [pid 6568] <... futex resumed>) = 0 [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... close resumed>) = 0 [pid 5076] umount2("./114/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6572] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6572] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6572] write(3, "1000", 4) = 4 [pid 6572] close(3) = 0 [pid 6572] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6572] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6572] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6572] 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 6573 attached [pid 6573] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6572] <... clone resumed>, parent_tid=[235], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 235 [pid 6573] <... set_robust_list resumed>) = 0 [pid 6572] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6568] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6563] close(26 [pid 5077] rmdir("./118/file0" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6573] memfd_create("syzkaller", 0 [pid 6572] <... futex resumed>) = 0 [pid 6570] <... futex resumed>) = 0 [pid 6569] close(15 [pid 6568] <... futex resumed>) = 1 [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6573] <... memfd_create resumed>) = 3 [pid 6572] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6570] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6568] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6563] close(27 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] lstat("./114/cgroup", [pid 6573] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6570] <... symlinkat resumed>) = 0 [pid 6569] close(16 [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./118/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6573] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6570] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6563] close(28 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] unlink("./114/cgroup" [pid 6570] <... futex resumed>) = 1 [pid 6569] close(17 [pid 6568] <... futex resumed>) = 0 [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./118/cgroup.cpu", [pid 6570] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6568] close(3 [pid 6563] close(29 [pid 5076] <... unlink resumed>) = 0 [pid 6569] close(18 [pid 6568] <... close resumed>) = 0 [pid 6563] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] umount2("./114/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6568] close(4 [pid 6563] exit_group(0 [pid 5077] unlink("./118/cgroup.cpu" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6569] close(19 [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6566] <... futex resumed>) = ? [pid 6563] <... exit_group resumed>) = ? [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 6566] +++ exited with 0 +++ [pid 6563] +++ exited with 0 +++ [pid 6569] close(20 [pid 6568] close(5 [pid 5077] getdents64(3, [pid 5076] lstat("./114/cgroup.net", [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 6569] close(21 [pid 6568] close(6 [pid 5077] close(3 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... restart_syscall resumed>) = 0 [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... close resumed>) = 0 [pid 5076] unlink("./114/cgroup.net" [pid 6569] close(22 [pid 6568] close(7 [pid 5077] rmdir("./118" [pid 5076] <... unlink resumed>) = 0 [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5075] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6569] close(23 [pid 6568] close(8 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... openat resumed>) = 3 [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] mkdir("./119", 0777 [pid 5075] fstat(3, [pid 6569] close(24 [pid 6568] close(9 [pid 5077] <... mkdir resumed>) = 0 [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6569] close(25 [pid 6568] close(10 [pid 5077] <... openat resumed>) = 3 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5075] getdents64(3, [pid 6569] close(26 [pid 6568] close(11 [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] close(3 [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6569] close(27 [pid 6568] close(12 [pid 5077] <... close resumed>) = 0 [pid 5075] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6573] 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 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6574 attached [pid 6569] close(28 [pid 6568] close(13 [pid 6574] set_robust_list(0x5555562845e0, 24 [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 240 [pid 6574] <... set_robust_list resumed>) = 0 [pid 6569] close(29 [pid 6568] close(14 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6574] chdir("./119" [pid 6569] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] lstat("./116/binderfs", [pid 6574] <... chdir resumed>) = 0 [pid 6569] exit_group(0 [pid 6568] close(15 [pid 6574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6571] <... futex resumed>) = ? [pid 6569] <... exit_group resumed>) = ? [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6574] <... prctl resumed>) = 0 [pid 6571] +++ exited with 0 +++ [pid 6569] +++ exited with 0 +++ [pid 6568] close(16 [pid 5075] unlink("./116/binderfs" [pid 6574] setpgid(0, 0 [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6574] <... setpgid resumed>) = 0 [pid 6568] close(17 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=248, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5076] <... umount2 resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6574] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5075] umount2("./116/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6574] <... symlink resumed>) = 0 [pid 6568] close(18 [pid 5079] <... restart_syscall resumed>) = 0 [pid 6574] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6574] <... symlink resumed>) = 0 [pid 6568] close(19 [pid 5075] lstat("./116/cgroup", [pid 6574] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./123", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6574] <... symlink resumed>) = 0 [pid 6568] close(20 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] unlink("./116/cgroup" [pid 6574] <... openat resumed>) = 3 [pid 6568] close(21 [pid 5079] <... openat resumed>) = 3 [pid 6574] write(3, "1000", 4 [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] fstat(3, [pid 5076] lstat("./114/file0", [pid 5075] <... unlink resumed>) = 0 [pid 6574] <... write resumed>) = 4 [pid 6568] close(22 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] umount2("./116/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6574] close(3 [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(3, [pid 5076] umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6574] <... close resumed>) = 0 [pid 6568] close(23 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6574] symlink("/dev/binderfs", "./binderfs" [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./123/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] openat(AT_FDCWD, "./114/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] lstat("./116/cgroup.net", [pid 6574] <... symlink resumed>) = 0 [pid 6568] close(24 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... openat resumed>) = 4 [pid 6574] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./123/binderfs", [pid 5076] fstat(4, [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6574] <... futex resumed>) = 0 [pid 6568] close(25 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] unlink("./116/cgroup.net" [pid 6574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./123/binderfs" [pid 5076] getdents64(4, [pid 6574] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6568] close(26 [pid 5079] <... unlink resumed>) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] <... unlink resumed>) = 0 [pid 6574] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./123/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] getdents64(4, [pid 6574] <... mprotect resumed>) = 0 [pid 6568] close(27 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6574] 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 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./123/cgroup", [pid 5076] close(4./strace-static-x86_64: Process 6575 attached [pid 6568] close(28 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... close resumed>) = 0 [pid 6575] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6574] <... clone resumed>, parent_tid=[241], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 241 [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./123/cgroup" [pid 5076] rmdir("./114/file0" [pid 6575] <... set_robust_list resumed>) = 0 [pid 6574] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] close(29 [pid 5079] <... unlink resumed>) = 0 [pid 5076] <... rmdir resumed>) = 0 [pid 6575] memfd_create("syzkaller", 0 [pid 6574] <... futex resumed>) = 0 [pid 6568] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./123/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./114/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6575] <... memfd_create resumed>) = 3 [pid 6574] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6568] exit_group(0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6575] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6573] <... write resumed>) = 2097152 [pid 6568] <... exit_group resumed>) = ? [pid 5079] lstat("./123/cgroup.net", [pid 5076] lstat("./114/cgroup.cpu", [pid 6575] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6570] <... futex resumed>) = ? [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6573] munmap(0x7f7a51cd9000, 2097152 [pid 5079] unlink("./123/cgroup.net" [pid 5076] unlink("./114/cgroup.cpu" [pid 5079] <... unlink resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 6573] <... munmap resumed>) = 0 [pid 6570] +++ exited with 0 +++ [pid 6568] +++ exited with 0 +++ [pid 5079] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] getdents64(3, [pid 5075] <... umount2 resumed>) = 0 [pid 6573] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=2 /* 0.02 s */} --- [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6573] <... openat resumed>) = 4 [pid 5078] restart_syscall(<... resuming interrupted clone ...> [pid 5076] close(3 [pid 5078] <... restart_syscall resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5076] rmdir("./114" [pid 6573] ioctl(4, LOOP_SET_FD, 3 [pid 5076] <... rmdir resumed>) = 0 [pid 5078] umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] mkdir("./115", 0777 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... mkdir resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5078] <... openat resumed>) = 3 [pid 5076] <... openat resumed>) = 3 [pid 5078] fstat(3, [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] getdents64(3, [pid 5076] close(3 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] <... close resumed>) = 0 [pid 5078] umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6576 attached [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6576] set_robust_list(0x5555562845e0, 24 [pid 5078] lstat("./121/binderfs", [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 232 [pid 6576] <... set_robust_list resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6576] chdir("./115" [pid 5078] unlink("./121/binderfs" [pid 6576] <... chdir resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6576] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] umount2("./121/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6576] <... prctl resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6576] setpgid(0, 0 [pid 5078] lstat("./121/cgroup", [pid 6576] <... setpgid resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6576] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5078] unlink("./121/cgroup" [pid 6576] <... symlink resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6576] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5078] umount2("./121/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6576] <... symlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6576] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5078] lstat("./121/cgroup.net", [pid 6576] <... symlink resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6573] <... ioctl resumed>) = 0 [pid 5078] unlink("./121/cgroup.net" [pid 5075] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6573] close(3 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6573] <... close resumed>) = 0 [pid 5075] lstat("./116/file0", [pid 6573] mkdir("./file0", 0777 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6573] <... mkdir resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5075] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6576] <... openat resumed>) = 3 [pid 6573] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5078] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6576] write(3, "1000", 4 [pid 5075] openat(AT_FDCWD, "./116/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6576] <... write resumed>) = 4 [pid 6575] 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 resumed>) = 4 [pid 6576] close(3 [pid 5075] fstat(4, [pid 6576] <... close resumed>) = 0 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6576] symlink("/dev/binderfs", "./binderfs" [pid 5075] getdents64(4, [pid 6576] <... symlink resumed>) = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [ 192.063624][ T6573] loop0: detected capacity change from 0 to 4096 [pid 6576] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] close(4 [pid 6576] <... futex resumed>) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 6576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5075] rmdir("./116/file0" [pid 6576] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5079] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 6576] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./116/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./123/file0", [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./116/cgroup.cpu", [pid 6576] <... mprotect resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] unlink("./116/cgroup.cpu" [pid 6576] 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 6575] <... write resumed>) = 2097152 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] lstat("./121/file0", [pid 5075] <... unlink resumed>) = 0 [pid 5075] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] close(3) = 0 [pid 5075] rmdir("./116") = 0 [pid 5075] mkdir("./117", 0777) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 ./strace-static-x86_64: Process 6577 attached [pid 6575] munmap(0x7f7a51cd9000, 2097152 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 5079] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6577] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6576] <... clone resumed>, parent_tid=[233], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 233 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6577] <... set_robust_list resumed>) = 0 [pid 6576] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] <... munmap resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6576] <... futex resumed>) = 0 [pid 6575] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5079] openat(AT_FDCWD, "./123/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6577] memfd_create("syzkaller", 0 [pid 6576] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6575] <... openat resumed>) = 4 [pid 5079] <... openat resumed>) = 4 [pid 5078] openat(AT_FDCWD, "./121/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] close(3 [pid 6577] <... memfd_create resumed>) = 3 [pid 6575] ioctl(4, LOOP_SET_FD, 3 [pid 5079] fstat(4, [pid 5078] <... openat resumed>) = 4 [pid 5075] <... close resumed>) = 0 [pid 6577] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] fstat(4, [pid 5079] getdents64(4, [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] getdents64(4, [pid 5079] getdents64(4, [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] getdents64(4, [pid 5079] close(4 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5079] <... close resumed>) = 0 [pid 5078] close(4 [pid 5079] rmdir("./123/file0" [pid 5078] <... close resumed>) = 0 [pid 6577] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] rmdir("./121/file0" [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] umount2("./123/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... rmdir resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] umount2("./121/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6575] <... ioctl resumed>) = 0 [pid 5079] lstat("./123/cgroup.cpu", [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6578 attached [pid 6575] close(3 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] lstat("./121/cgroup.cpu", [pid 6578] set_robust_list(0x5555562845e0, 24 [pid 6575] <... close resumed>) = 0 [pid 5079] unlink("./123/cgroup.cpu" [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 236 [pid 6578] <... set_robust_list resumed>) = 0 [pid 6575] mkdir("./file0", 0777 [pid 5079] <... unlink resumed>) = 0 [pid 5078] unlink("./121/cgroup.cpu" [pid 6578] chdir("./117" [pid 6575] <... mkdir resumed>) = 0 [pid 5079] getdents64(3, [pid 5078] <... unlink resumed>) = 0 [pid 6578] <... chdir resumed>) = 0 [pid 6575] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5078] getdents64(3, [pid 6578] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] close(3 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6578] <... prctl resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5078] close(3 [pid 6578] setpgid(0, 0 [pid 5079] rmdir("./123" [pid 5078] <... close resumed>) = 0 [pid 6578] <... setpgid resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5078] rmdir("./121" [pid 6578] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5079] mkdir("./124", 0777 [pid 5078] <... rmdir resumed>) = 0 [pid 6578] <... symlink resumed>) = 0 [pid 5079] <... mkdir resumed>) = 0 [pid 5078] mkdir("./122", 0777 [pid 6578] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5078] <... mkdir resumed>) = 0 [pid 6578] <... symlink resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [ 192.175367][ T6575] loop5: detected capacity change from 0 to 4096 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6578] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5078] <... openat resumed>) = 3 [pid 6577] 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 6573] <... mount resumed>) = 0 [pid 6578] <... symlink resumed>) = 0 [pid 6573] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6573] <... openat resumed>) = 3 [pid 5079] close(3 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6578] <... openat resumed>) = 3 [pid 6573] chdir("./file0" [pid 5079] <... close resumed>) = 0 [pid 5078] close(3 [pid 6578] write(3, "1000", 4 [pid 6573] <... chdir resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... close resumed>) = 0 ./strace-static-x86_64: Process 6579 attached [pid 6578] <... write resumed>) = 4 [pid 6573] ioctl(4, LOOP_CLR_FD [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6579] set_robust_list(0x5555562845e0, 24) = 0 [pid 6579] chdir("./124" [pid 6578] close(3 [pid 6573] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6580 attached [pid 6579] <... chdir resumed>) = 0 [pid 6578] <... close resumed>) = 0 [pid 6573] close(4 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 250 [pid 6579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6579] setpgid(0, 0) = 0 [pid 6579] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 246 [pid 6580] set_robust_list(0x5555562845e0, 24 [pid 6579] <... symlink resumed>) = 0 [pid 6578] symlink("/dev/binderfs", "./binderfs" [pid 6573] <... close resumed>) = 0 [pid 6580] <... set_robust_list resumed>) = 0 [pid 6579] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6578] <... symlink resumed>) = 0 [pid 6573] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] chdir("./122" [pid 6579] <... symlink resumed>) = 0 [pid 6578] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] <... futex resumed>) = 1 [pid 6572] <... futex resumed>) = 0 [pid 6580] <... chdir resumed>) = 0 [pid 6579] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6578] <... futex resumed>) = 0 [pid 6573] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6572] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6579] <... symlink resumed>) = 0 [pid 6578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6572] <... futex resumed>) = 0 [pid 6580] <... prctl resumed>) = 0 [pid 6579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6578] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6573] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6572] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6580] setpgid(0, 0 [pid 6579] <... openat resumed>) = 3 [pid 6578] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6580] <... setpgid resumed>) = 0 [pid 6579] write(3, "1000", 4 [pid 6580] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6579] <... write resumed>) = 4 [pid 6578] <... mprotect resumed>) = 0 [pid 6579] close(3) = 0 [pid 6580] <... symlink resumed>) = 0 [pid 6579] symlink("/dev/binderfs", "./binderfs" [pid 6580] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6579] <... symlink resumed>) = 0 [pid 6578] 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 6579] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6579] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6579] 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 6581 attached [pid 6581] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6579] <... clone resumed>, parent_tid=[251], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 251 [pid 6581] <... set_robust_list resumed>) = 0 [pid 6579] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] memfd_create("syzkaller", 0 [pid 6579] <... futex resumed>) = 0 [pid 6581] <... memfd_create resumed>) = 3 [pid 6579] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6581] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 6582 attached ) = 0x7f7a51cd9000 [pid 6582] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6580] <... symlink resumed>) = 0 [pid 6578] <... clone resumed>, parent_tid=[237], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 237 [pid 6575] <... mount resumed>) = 0 [pid 6573] <... mkdirat resumed>) = 0 [pid 6582] <... set_robust_list resumed>) = 0 [pid 6580] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6578] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] <... write resumed>) = 2097152 [pid 6575] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6573] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] memfd_create("syzkaller", 0) = 3 [pid 6582] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6580] <... symlink resumed>) = 0 [pid 6578] <... futex resumed>) = 0 [pid 6582] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6578] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6575] <... openat resumed>) = 3 [pid 6573] <... futex resumed>) = 1 [pid 6572] <... futex resumed>) = 0 [pid 6572] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6580] <... openat resumed>) = 3 [pid 6575] chdir("./file0" [pid 6573] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6572] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6580] write(3, "1000", 4 [pid 6575] <... chdir resumed>) = 0 [pid 6573] <... symlinkat resumed>) = 0 [pid 6580] <... write resumed>) = 4 [pid 6575] ioctl(4, LOOP_CLR_FD [pid 6573] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] munmap(0x7f7a51cd9000, 2097152 [pid 6580] close(3 [pid 6575] <... ioctl resumed>) = 0 [pid 6573] <... futex resumed>) = 1 [pid 6572] <... futex resumed>) = 0 [pid 6582] 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 6581] 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 6580] <... close resumed>) = 0 [pid 6575] close(4 [pid 6573] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6572] close(3 [pid 6580] symlink("/dev/binderfs", "./binderfs" [pid 6577] <... munmap resumed>) = 0 [pid 6575] <... close resumed>) = 0 [pid 6572] <... close resumed>) = 0 [pid 6572] close(4 [pid 6580] <... symlink resumed>) = 0 [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6580] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] close(5 [pid 6580] <... futex resumed>) = 0 [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6572] close(6) = -1 EBADF (Bad file descriptor) [pid 6572] close(7 [pid 6580] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6580] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6572] close(8 [pid 6580] <... mprotect resumed>) = 0 [pid 6577] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6580] 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 6577] <... openat resumed>) = 4 [pid 6575] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] close(9 [pid 6577] ioctl(4, LOOP_SET_FD, 3 [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6583 attached [pid 6575] <... futex resumed>) = 1 [pid 6574] <... futex resumed>) = 0 [pid 6572] close(10 [pid 6583] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6583] <... set_robust_list resumed>) = 0 [pid 6580] <... clone resumed>, parent_tid=[247], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 247 [pid 6575] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6574] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] close(11 [pid 6583] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6574] <... futex resumed>) = 0 [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6580] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6572] close(12 [pid 6583] <... futex resumed>) = 0 [pid 6580] <... futex resumed>) = 1 [pid 6575] <... mkdirat resumed>) = 0 [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6583] memfd_create("syzkaller", 0 [pid 6572] close(13 [pid 6583] <... memfd_create resumed>) = 3 [pid 6580] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6575] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6583] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6575] <... futex resumed>) = 1 [pid 6574] <... futex resumed>) = 0 [pid 6572] close(14 [pid 6583] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6575] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6574] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6572] close(15 [pid 6575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6574] <... futex resumed>) = 0 [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6572] close(16) = -1 EBADF (Bad file descriptor) [pid 6572] close(17 [pid 6575] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6574] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6575] <... symlinkat resumed>) = 0 [pid 6572] close(18) = -1 EBADF (Bad file descriptor) [pid 6575] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] <... ioctl resumed>) = 0 [ 192.360455][ T6577] loop4: detected capacity change from 0 to 4096 [pid 6572] close(19 [pid 6577] close(3 [pid 6575] <... futex resumed>) = 1 [pid 6574] <... futex resumed>) = 0 [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6577] <... close resumed>) = 0 [pid 6572] close(20 [pid 6577] mkdir("./file0", 0777 [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6577] <... mkdir resumed>) = 0 [pid 6575] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6574] close(3 [pid 6572] close(21 [pid 6577] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6574] <... close resumed>) = 0 [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6574] close(4 [pid 6572] close(22 [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6574] close(5 [pid 6572] close(23) = -1 EBADF (Bad file descriptor) [pid 6572] close(24) = -1 EBADF (Bad file descriptor) [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6572] close(25 [pid 6574] close(6 [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6572] close(26 [pid 6582] <... write resumed>) = 2097152 [pid 6574] close(7 [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6572] close(27 [pid 6574] close(8 [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6582] munmap(0x7f7a51cd9000, 2097152 [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6572] close(28 [pid 6574] close(9 [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6572] close(29 [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6572] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6574] close(10 [pid 6572] exit_group(0) = ? [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6573] <... futex resumed>) = ? [pid 6574] close(11) = -1 EBADF (Bad file descriptor) [pid 6574] close(12 [pid 6573] +++ exited with 0 +++ [pid 6572] +++ exited with 0 +++ [pid 6582] <... munmap resumed>) = 0 [pid 6582] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6582] <... openat resumed>) = 4 [pid 6581] <... write resumed>) = 2097152 [pid 6574] close(13 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 6583] 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 6582] ioctl(4, LOOP_SET_FD, 3 [pid 6581] munmap(0x7f7a51cd9000, 2097152 [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6583] <... write resumed>) = 2097152 [pid 6582] <... ioctl resumed>) = 0 [pid 6577] <... mount resumed>) = 0 [pid 6574] close(14 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6583] munmap(0x7f7a51cd9000, 2097152 [pid 6581] <... munmap resumed>) = 0 [pid 6577] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6577] <... openat resumed>) = 3 [pid 6574] close(15 [pid 6577] chdir("./file0" [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... openat resumed>) = 3 [pid 6577] <... chdir resumed>) = 0 [pid 6574] close(16 [pid 5074] fstat(3, [pid 6581] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6577] ioctl(4, LOOP_CLR_FD [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6581] <... openat resumed>) = 4 [pid 6577] <... ioctl resumed>) = 0 [pid 6574] close(17 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6583] <... munmap resumed>) = 0 [pid 6581] ioctl(4, LOOP_SET_FD, 3 [pid 6577] close(4 [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] getdents64(3, [pid 6583] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6582] close(3 [pid 6577] <... close resumed>) = 0 [pid 6574] close(18 [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6583] <... openat resumed>) = 4 [pid 6582] <... close resumed>) = 0 [pid 6577] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6583] ioctl(4, LOOP_SET_FD, 3 [pid 6582] mkdir("./file0", 0777 [pid 6577] <... futex resumed>) = 1 [pid 6576] <... futex resumed>) = 0 [pid 6574] close(19 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6582] <... mkdir resumed>) = 0 [pid 6581] <... ioctl resumed>) = 0 [pid 6577] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6576] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6581] close(3 [pid 6576] <... futex resumed>) = 0 [pid 6574] close(20 [pid 6582] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6581] <... close resumed>) = 0 [pid 6576] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./116/binderfs", [pid 6581] mkdir("./file0", 0777 [pid 6577] <... mkdirat resumed>) = 0 [pid 6574] close(21 [pid 6581] <... mkdir resumed>) = 0 [pid 6577] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 192.483003][ T6582] loop3: detected capacity change from 0 to 4096 [ 192.512136][ T6581] loop2: detected capacity change from 0 to 4096 [ 192.513013][ T6583] loop1: detected capacity change from 0 to 4096 [pid 6581] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6577] <... futex resumed>) = 1 [pid 6576] <... futex resumed>) = 0 [pid 6574] close(22 [pid 5074] unlink("./116/binderfs" [pid 6583] <... ioctl resumed>) = 0 [pid 6582] <... mount resumed>) = 0 [pid 6577] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6576] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... unlink resumed>) = 0 [pid 6583] close(3 [pid 6582] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6576] <... futex resumed>) = 0 [pid 6574] close(23 [pid 5074] umount2("./116/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6583] <... close resumed>) = 0 [pid 6582] <... openat resumed>) = 3 [pid 6577] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6576] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6583] mkdir("./file0", 0777 [pid 6582] chdir("./file0" [pid 6577] <... symlinkat resumed>) = 0 [pid 6574] close(24 [pid 5074] lstat("./116/cgroup", [pid 6583] <... mkdir resumed>) = 0 [pid 6582] <... chdir resumed>) = 0 [pid 6577] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6583] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6582] ioctl(4, LOOP_CLR_FD [pid 6577] <... futex resumed>) = 1 [pid 6576] <... futex resumed>) = 0 [pid 6574] close(25 [pid 5074] unlink("./116/cgroup" [pid 6582] <... ioctl resumed>) = 0 [pid 6577] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6576] close(3 [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... unlink resumed>) = 0 [pid 6582] close(4 [pid 6576] <... close resumed>) = 0 [pid 6574] close(26 [pid 5074] umount2("./116/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6582] <... close resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6582] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] lstat("./116/cgroup.net", [pid 6582] <... futex resumed>) = 1 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6582] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] unlink("./116/cgroup.net") = 0 [pid 5074] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6576] close(4 [pid 6578] <... futex resumed>) = 0 [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6578] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] close(5 [pid 6574] close(27 [pid 6582] <... futex resumed>) = 0 [pid 6578] <... futex resumed>) = 1 [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6582] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6578] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6576] close(6 [pid 6574] close(28 [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6576] close(7 [pid 6574] close(29 [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6574] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6576] close(8 [pid 6574] exit_group(0 [pid 6582] <... mkdirat resumed>) = 0 [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6575] <... futex resumed>) = ? [pid 6574] <... exit_group resumed>) = ? [pid 6582] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] close(9 [pid 6582] <... futex resumed>) = 1 [pid 6582] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6578] <... futex resumed>) = 0 [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6575] +++ exited with 0 +++ [pid 6574] +++ exited with 0 +++ [pid 6578] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] close(10 [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6582] <... futex resumed>) = 0 [pid 6578] <... futex resumed>) = 1 [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6582] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6578] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6576] close(11 [pid 5077] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5077] fstat(3, [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6576] close(12 [pid 5077] getdents64(3, [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6576] close(13 [pid 5077] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6582] <... symlinkat resumed>) = 0 [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6582] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] close(14 [pid 5077] lstat("./119/binderfs", [pid 6582] <... futex resumed>) = 1 [pid 6578] <... futex resumed>) = 0 [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6582] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6578] close(3 [pid 6576] close(15 [pid 5077] unlink("./119/binderfs" [pid 6578] <... close resumed>) = 0 [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 6578] close(4 [pid 6576] close(16 [pid 5077] umount2("./119/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = 0 [pid 6583] <... mount resumed>) = 0 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6583] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6578] close(5 [pid 6576] close(17 [pid 5077] lstat("./119/cgroup", [pid 5074] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6583] <... openat resumed>) = 3 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6583] chdir("./file0" [pid 6578] close(6 [pid 6576] close(18 [pid 5077] unlink("./119/cgroup" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6583] <... chdir resumed>) = 0 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 6583] ioctl(4, LOOP_CLR_FD [pid 6578] close(7 [pid 6576] close(19 [pid 5077] umount2("./119/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./116/file0", [pid 6583] <... ioctl resumed>) = 0 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6583] close(4 [pid 6578] close(8 [pid 6576] close(20 [pid 5077] lstat("./119/cgroup.net", [pid 5074] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6583] <... close resumed>) = 0 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6583] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] close(9 [pid 6576] close(21 [pid 5077] unlink("./119/cgroup.net" [pid 5074] openat(AT_FDCWD, "./116/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6583] <... futex resumed>) = 1 [pid 6580] <... futex resumed>) = 0 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 5074] <... openat resumed>) = 4 [pid 6583] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6580] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] close(10 [pid 6576] close(22 [pid 5077] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] fstat(4, [pid 6583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6580] <... futex resumed>) = 0 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6581] <... mount resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6583] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6580] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6578] close(11 [pid 6576] close(23 [pid 5074] getdents64(4, [pid 6583] <... mkdirat resumed>) = 0 [pid 6581] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6583] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... openat resumed>) = 3 [pid 6578] close(12 [pid 6576] close(24 [pid 5074] getdents64(4, [pid 6583] <... futex resumed>) = 1 [pid 6581] chdir("./file0" [pid 6580] <... futex resumed>) = 0 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6583] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6581] <... chdir resumed>) = 0 [pid 6580] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] close(13 [pid 6576] close(25 [pid 5074] close(4 [pid 6583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6581] ioctl(4, LOOP_CLR_FD [pid 6580] <... futex resumed>) = 0 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = 0 [pid 6583] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6581] <... ioctl resumed>) = 0 [pid 6580] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6578] close(14 [pid 6576] close(26 [pid 5077] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] rmdir("./116/file0" [pid 6581] close(4 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... rmdir resumed>) = 0 [pid 6581] <... close resumed>) = 0 [pid 5074] umount2("./116/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./116/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] unlink("./116/cgroup.cpu") = 0 [pid 5074] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] close(3 [pid 6581] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] close(15 [pid 6576] close(27 [pid 5077] lstat("./119/file0", [pid 5074] <... close resumed>) = 0 [pid 6581] <... futex resumed>) = 1 [pid 6579] <... futex resumed>) = 0 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] rmdir("./116" [pid 6583] <... symlinkat resumed>) = 0 [pid 6581] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6579] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] close(16 [pid 6576] close(28 [pid 5077] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... rmdir resumed>) = 0 [pid 6583] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6579] <... futex resumed>) = 0 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] mkdir("./117", 0777 [pid 6583] <... futex resumed>) = 1 [pid 6581] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6580] <... futex resumed>) = 0 [pid 6579] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6578] close(17 [pid 6576] close(29 [pid 5077] openat(AT_FDCWD, "./119/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... mkdir resumed>) = 0 [pid 6583] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6580] close(3 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6576] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... openat resumed>) = 4 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6580] <... close resumed>) = 0 [pid 6578] close(18 [pid 6576] exit_group(0 [pid 5077] fstat(4, [pid 5074] <... openat resumed>) = 3 [pid 6580] close(4 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6577] <... futex resumed>) = ? [pid 6576] <... exit_group resumed>) = ? [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6581] <... mkdirat resumed>) = 0 [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6578] close(19 [pid 6577] +++ exited with 0 +++ [pid 6576] +++ exited with 0 +++ [pid 5077] getdents64(4, [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6581] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] close(5 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] close(3 [pid 6581] <... futex resumed>) = 1 [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... futex resumed>) = 0 [pid 6578] close(20 [pid 5077] getdents64(4, [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=232, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5074] <... close resumed>) = 0 [pid 6581] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6580] close(6 [pid 6579] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6584 attached [pid 6581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... futex resumed>) = 0 [pid 6578] close(21 [pid 5077] close(4 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6584] set_robust_list(0x5555562845e0, 24 [pid 6581] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6580] close(7 [pid 6579] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... close resumed>) = 0 [pid 5076] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 236 [pid 6584] <... set_robust_list resumed>) = 0 [pid 6581] <... symlinkat resumed>) = 0 [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6578] close(22 [pid 5077] rmdir("./119/file0" [pid 5076] <... openat resumed>) = 3 [pid 6584] chdir("./117" [pid 6581] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] close(8 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6584] <... chdir resumed>) = 0 [pid 6581] <... futex resumed>) = 1 [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... futex resumed>) = 0 [pid 6578] close(23 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] fstat(3, [pid 6584] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6581] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6580] close(9 [pid 6579] close(3 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./119/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6584] <... prctl resumed>) = 0 [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = 0 [pid 6578] close(24 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] getdents64(3, [pid 6584] setpgid(0, 0 [pid 6580] close(10 [pid 6579] close(4 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./119/cgroup.cpu", [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6584] <... setpgid resumed>) = 0 [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6578] close(25 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6584] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6580] close(11 [pid 6579] close(5 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./119/cgroup.cpu" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6584] <... symlink resumed>) = 0 [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6578] close(26 [pid 6584] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6580] close(12 [pid 6579] close(6 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... unlink resumed>) = 0 [pid 5076] lstat("./115/binderfs", [pid 6584] <... symlink resumed>) = 0 [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6578] close(27 [pid 5077] getdents64(3, [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6584] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6580] close(13 [pid 6579] close(7 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] unlink("./115/binderfs" [pid 6584] write(3, "1000", 4 [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6578] close(28 [pid 5077] close(3 [pid 5076] <... unlink resumed>) = 0 [pid 6584] <... write resumed>) = 4 [pid 6580] close(14 [pid 6579] close(8 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... close resumed>) = 0 [pid 5076] umount2("./115/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6584] close(3 [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6578] close(29 [pid 5077] rmdir("./119" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6584] <... close resumed>) = 0 [pid 6580] close(15 [pid 6579] close(9 [pid 6578] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... rmdir resumed>) = 0 [pid 5076] lstat("./115/cgroup", [pid 6584] symlink("/dev/binderfs", "./binderfs" [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6578] exit_group(0 [pid 5077] mkdir("./120", 0777 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6584] <... symlink resumed>) = 0 [pid 6582] <... futex resumed>) = ? [pid 6580] close(16 [pid 6579] close(10 [pid 6578] <... exit_group resumed>) = ? [pid 5077] <... mkdir resumed>) = 0 [pid 5076] unlink("./115/cgroup" [pid 6584] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] +++ exited with 0 +++ [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6584] <... futex resumed>) = 0 [pid 6584] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6584] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6578] +++ exited with 0 +++ [pid 6584] 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 6580] close(17 [pid 6579] close(11 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5076] <... unlink resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- ./strace-static-x86_64: Process 6585 attached [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... openat resumed>) = 3 [pid 5076] umount2("./115/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] restart_syscall(<... resuming interrupted clone ...> [pid 6585] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6584] <... clone resumed>, parent_tid=[237], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 237 [pid 6580] close(18 [pid 6579] close(12 [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... restart_syscall resumed>) = 0 [pid 6585] <... set_robust_list resumed>) = 0 [pid 6584] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] lstat("./115/cgroup.net", [pid 6585] memfd_create("syzkaller", 0 [pid 6584] <... futex resumed>) = 0 [pid 6580] close(19 [pid 6579] close(13 [pid 5077] close(3 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6585] <... memfd_create resumed>) = 3 [pid 6584] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... close resumed>) = 0 [pid 5076] unlink("./115/cgroup.net" [pid 5075] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6585] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6580] close(20 [pid 6579] close(14 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6585] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... unlink resumed>) = 0 [pid 5075] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6586 attached [pid 6580] close(21 [pid 6579] close(15 [pid 5076] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6586] set_robust_list(0x5555562845e0, 24 [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 242 [pid 5075] <... openat resumed>) = 3 [pid 6586] <... set_robust_list resumed>) = 0 [pid 6580] close(22 [pid 6579] close(16 [pid 5075] fstat(3, [pid 6586] chdir("./120" [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... chdir resumed>) = 0 [pid 6580] close(23 [pid 6579] close(17 [pid 6586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... prctl resumed>) = 0 [pid 6580] close(24 [pid 6579] close(18 [pid 6586] setpgid(0, 0 [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... setpgid resumed>) = 0 [pid 6580] close(25 [pid 6579] close(19 [pid 6586] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6586] <... symlink resumed>) = 0 [pid 6585] 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 6580] close(26 [pid 6579] close(20 [pid 5075] getdents64(3, [pid 6586] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6586] <... symlink resumed>) = 0 [pid 6580] close(27 [pid 6579] close(21 [pid 5075] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6586] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6586] <... symlink resumed>) = 0 [pid 6580] close(28 [pid 6579] close(22 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./117/binderfs", [pid 6586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] lstat("./115/file0", [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6586] <... openat resumed>) = 3 [pid 6580] close(29 [pid 6579] close(23 [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] unlink("./117/binderfs" [pid 6586] write(3, "1000", 4 [pid 6580] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6586] <... write resumed>) = 4 [pid 6580] exit_group(0 [pid 6579] close(24 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... unlink resumed>) = 0 [pid 6586] close(3 [pid 6583] <... futex resumed>) = ? [pid 6580] <... exit_group resumed>) = ? [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] openat(AT_FDCWD, "./115/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6586] <... close resumed>) = 0 [pid 6583] +++ exited with 0 +++ [pid 6580] +++ exited with 0 +++ [pid 6579] close(25 [pid 5076] <... openat resumed>) = 4 [pid 5075] umount2("./117/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6586] symlink("/dev/binderfs", "./binderfs" [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=4 /* 0.04 s */} --- [pid 5076] fstat(4, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6586] <... symlink resumed>) = 0 [pid 6579] close(26 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6586] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] getdents64(4, [pid 6586] <... futex resumed>) = 0 [pid 6579] close(27 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] getdents64(4, [pid 6586] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6579] close(28 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6586] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] close(4 [pid 6586] <... mprotect resumed>) = 0 [pid 6579] close(29 [pid 5076] <... close resumed>) = 0 [pid 5075] lstat("./117/cgroup", [pid 6586] 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 6579] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] rmdir("./115/file0"./strace-static-x86_64: Process 6587 attached [pid 6579] exit_group(0 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6587] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6586] <... clone resumed>, parent_tid=[243], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 243 [pid 6581] <... futex resumed>) = ? [pid 6579] <... exit_group resumed>) = ? [pid 5076] umount2("./115/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] unlink("./117/cgroup" [pid 6587] <... set_robust_list resumed>) = 0 [pid 6586] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] <... write resumed>) = 2097152 [pid 6581] +++ exited with 0 +++ [pid 6579] +++ exited with 0 +++ [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... unlink resumed>) = 0 [pid 6587] memfd_create("syzkaller", 0 [pid 6586] <... futex resumed>) = 0 [pid 6585] munmap(0x7f7a51cd9000, 2097152 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5076] lstat("./115/cgroup.cpu", [pid 5075] umount2("./117/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6587] <... memfd_create resumed>) = 3 [pid 6586] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6587] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] lstat("./117/cgroup.net", [pid 6587] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6585] <... munmap resumed>) = 0 [pid 5078] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] unlink("./115/cgroup.cpu" [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6585] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5078] <... openat resumed>) = 3 [pid 5076] <... unlink resumed>) = 0 [pid 5075] unlink("./117/cgroup.net" [pid 6585] <... openat resumed>) = 4 [pid 5078] fstat(3, [pid 5075] <... unlink resumed>) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6585] ioctl(4, LOOP_SET_FD, 3 [pid 5079] umount2("./124", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] getdents64(3, [pid 5076] getdents64(3, [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./122/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./122/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./122/binderfs") = 0 [pid 5078] umount2("./122/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./122/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] unlink("./122/cgroup") = 0 [pid 5078] umount2("./122/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5079] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] lstat("./122/cgroup.net", [pid 5076] close(3 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./122/cgroup.net") = 0 [pid 5078] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... openat resumed>) = 3 [pid 5078] <... umount2 resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5079] fstat(3, [pid 5076] rmdir("./115" [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, [pid 5076] <... rmdir resumed>) = 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] mkdir("./116", 0777 [pid 5079] umount2("./124/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5076] <... mkdir resumed>) = 0 [pid 5079] lstat("./124/binderfs", [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5079] unlink("./124/binderfs" [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5079] <... unlink resumed>) = 0 [pid 5078] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./124/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] close(3 [pid 5079] lstat("./124/cgroup", [pid 5076] <... close resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./122/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./122/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] unlink("./124/cgroup" [pid 5078] <... openat resumed>) = 4 [pid 5078] fstat(4, ./strace-static-x86_64: Process 6588 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6588] set_robust_list(0x5555562845e0, 24 [pid 5079] <... unlink resumed>) = 0 [pid 6588] <... set_robust_list resumed>) = 0 [pid 5079] umount2("./124/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6588] chdir("./116") = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6588] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] lstat("./124/cgroup.net", [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 234 [pid 6588] <... prctl resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6588] setpgid(0, 0 [pid 6585] <... ioctl resumed>) = 0 [pid 5079] unlink("./124/cgroup.net" [pid 6588] <... setpgid resumed>) = 0 [ 192.965450][ T6585] loop0: detected capacity change from 0 to 4096 [pid 6585] close(3 [pid 6588] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6585] <... close resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6588] <... symlink resumed>) = 0 [pid 5078] getdents64(4, [pid 6588] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6588] <... symlink resumed>) = 0 [pid 6588] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5078] getdents64(4, [pid 6588] <... symlink resumed>) = 0 [pid 6585] mkdir("./file0", 0777 [pid 5079] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] close(4 [pid 6588] <... openat resumed>) = 3 [pid 5078] <... close resumed>) = 0 [pid 6588] write(3, "1000", 4 [pid 6585] <... mkdir resumed>) = 0 [pid 6588] <... write resumed>) = 4 [pid 6585] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5078] rmdir("./122/file0" [pid 6588] close(3 [pid 5078] <... rmdir resumed>) = 0 [pid 6588] <... close resumed>) = 0 [pid 5078] umount2("./122/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6588] symlink("/dev/binderfs", "./binderfs" [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6588] <... symlink resumed>) = 0 [pid 5078] lstat("./122/cgroup.cpu", [pid 6588] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6588] <... futex resumed>) = 0 [pid 6587] 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] unlink("./122/cgroup.cpu" [pid 6588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] <... unlink resumed>) = 0 [pid 6588] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5078] getdents64(3, [pid 6588] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6588] <... mprotect resumed>) = 0 [pid 5078] close(3 [pid 6588] 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] <... close resumed>) = 0 ./strace-static-x86_64: Process 6589 attached [pid 5078] rmdir("./122" [pid 5075] <... umount2 resumed>) = 0 [pid 6589] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6588] <... clone resumed>, parent_tid=[235], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 235 [pid 5078] <... rmdir resumed>) = 0 [pid 5075] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6589] <... set_robust_list resumed>) = 0 [pid 6588] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] mkdir("./123", 0777 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6589] memfd_create("syzkaller", 0 [pid 6588] <... futex resumed>) = 0 [pid 5078] <... mkdir resumed>) = 0 [pid 5075] lstat("./117/file0", [pid 6589] <... memfd_create resumed>) = 3 [pid 6588] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6589] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5078] <... openat resumed>) = 3 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6589] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5075] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] close(3 [pid 5075] openat(AT_FDCWD, "./117/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... close resumed>) = 0 [pid 5075] <... openat resumed>) = 4 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] fstat(4, ./strace-static-x86_64: Process 6590 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6590] set_robust_list(0x5555562845e0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 248 [pid 5075] getdents64(4, [pid 6590] <... set_robust_list resumed>) = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6590] chdir("./123" [pid 5075] getdents64(4, [pid 6590] <... chdir resumed>) = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] close(4 [pid 6590] <... prctl resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 6590] setpgid(0, 0 [pid 5075] rmdir("./117/file0" [pid 6590] <... setpgid resumed>) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 6590] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5075] umount2("./117/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6590] <... symlink resumed>) = 0 [pid 5079] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6590] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./117/cgroup.cpu", [pid 6590] <... symlink resumed>) = 0 [pid 5079] lstat("./124/file0", [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6590] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6585] <... mount resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] unlink("./117/cgroup.cpu" [pid 6590] <... symlink resumed>) = 0 [pid 5079] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... unlink resumed>) = 0 [pid 6590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6585] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] getdents64(3, [pid 6590] <... openat resumed>) = 3 [pid 5079] openat(AT_FDCWD, "./124/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6590] write(3, "1000", 4 [pid 6585] <... openat resumed>) = 3 [pid 5079] <... openat resumed>) = 4 [pid 5075] close(3 [pid 6590] <... write resumed>) = 4 [pid 6585] chdir("./file0" [pid 5079] fstat(4, [pid 5075] <... close resumed>) = 0 [pid 6590] close(3 [pid 6585] <... chdir resumed>) = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] rmdir("./117" [pid 6590] <... close resumed>) = 0 [pid 6585] ioctl(4, LOOP_CLR_FD [pid 5079] getdents64(4, [pid 5075] <... rmdir resumed>) = 0 [pid 6590] symlink("/dev/binderfs", "./binderfs" [pid 6585] <... ioctl resumed>) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] mkdir("./118", 0777 [pid 6590] <... symlink resumed>) = 0 [pid 6585] close(4 [pid 5079] getdents64(4, [pid 5075] <... mkdir resumed>) = 0 [pid 6590] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] <... close resumed>) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6590] <... futex resumed>) = 0 [pid 5079] close(4 [pid 5075] <... openat resumed>) = 3 [pid 6590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] <... close resumed>) = 0 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6590] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5079] rmdir("./124/file0" [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6590] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] <... rmdir resumed>) = 0 [pid 5075] close(3 [pid 6590] <... mprotect resumed>) = 0 [pid 5079] umount2("./124/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... close resumed>) = 0 [pid 6590] 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] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6592 attached ./strace-static-x86_64: Process 6591 attached [pid 6585] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] lstat("./124/cgroup.cpu", [pid 6592] set_robust_list(0x5555562845e0, 24 [pid 6591] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6590] <... clone resumed>, parent_tid=[249], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 249 [pid 6585] <... futex resumed>) = 1 [pid 6584] <... futex resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 238 [pid 6592] <... set_robust_list resumed>) = 0 [pid 6591] <... set_robust_list resumed>) = 0 [pid 6590] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] unlink("./124/cgroup.cpu" [pid 6592] chdir("./118" [pid 6591] memfd_create("syzkaller", 0 [pid 6590] <... futex resumed>) = 0 [pid 6585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6584] <... futex resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6592] <... chdir resumed>) = 0 [pid 6591] <... memfd_create resumed>) = 3 [pid 6590] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6589] 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 6585] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6584] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] getdents64(3, [pid 6592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6591] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6592] <... prctl resumed>) = 0 [pid 6591] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5079] close(3 [pid 6592] setpgid(0, 0 [pid 5079] <... close resumed>) = 0 [pid 6592] <... setpgid resumed>) = 0 [pid 6587] <... write resumed>) = 2097152 [pid 5079] rmdir("./124") = 0 [pid 5079] mkdir("./125", 0777) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5079] close(3) = 0 [pid 6592] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6593 attached [pid 6592] <... symlink resumed>) = 0 [pid 6587] munmap(0x7f7a51cd9000, 2097152 [pid 6585] <... mkdirat resumed>) = 0 [pid 6593] set_robust_list(0x5555562845e0, 24 [pid 6592] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6587] <... munmap resumed>) = 0 [pid 6585] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 252 [pid 6593] <... set_robust_list resumed>) = 0 [pid 6593] chdir("./125") = 0 [pid 6593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6592] <... symlink resumed>) = 0 [pid 6585] <... futex resumed>) = 1 [pid 6584] <... futex resumed>) = 0 [pid 6593] setpgid(0, 0 [pid 6592] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6585] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] <... setpgid resumed>) = 0 [pid 6592] <... symlink resumed>) = 0 [pid 6585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6584] <... futex resumed>) = 0 [pid 6593] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6585] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6584] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6593] <... symlink resumed>) = 0 [pid 6592] <... openat resumed>) = 3 [pid 6587] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6593] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6592] write(3, "1000", 4 [pid 6587] <... openat resumed>) = 4 [pid 6585] <... symlinkat resumed>) = 0 [pid 6593] <... symlink resumed>) = 0 [pid 6592] <... write resumed>) = 4 [pid 6587] ioctl(4, LOOP_SET_FD, 3 [pid 6585] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6592] close(3 [pid 6585] <... futex resumed>) = 1 [pid 6584] <... futex resumed>) = 0 [pid 6593] <... symlink resumed>) = 0 [pid 6592] <... close resumed>) = 0 [pid 6585] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] close(3 [pid 6593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6592] symlink("/dev/binderfs", "./binderfs" [pid 6584] <... close resumed>) = 0 [pid 6593] <... openat resumed>) = 3 [pid 6584] close(4 [pid 6593] write(3, "1000", 4 [pid 6592] <... symlink resumed>) = 0 [pid 6591] 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 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6593] <... write resumed>) = 4 [pid 6592] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] close(5 [pid 6593] close(3 [pid 6592] <... futex resumed>) = 0 [pid 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6593] <... close resumed>) = 0 [pid 6592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6584] close(6 [pid 6593] symlink("/dev/binderfs", "./binderfs" [pid 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6593] <... symlink resumed>) = 0 [pid 6592] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6584] close(7 [pid 6593] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6593] <... futex resumed>) = 0 [pid 6584] close(8 [pid 6593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6593] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6584] close(9 [pid 6593] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6593] <... mprotect resumed>) = 0 [pid 6584] close(10 [pid 6593] 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 6592] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6594 attached [pid 6592] <... mprotect resumed>) = 0 [pid 6584] close(11 [pid 6594] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6593] <... clone resumed>, parent_tid=[253], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 253 [pid 6592] 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 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6594] <... set_robust_list resumed>) = 0 [pid 6593] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] <... write resumed>) = 2097152 [pid 6587] <... ioctl resumed>) = 0 [pid 6584] close(12./strace-static-x86_64: Process 6595 attached [pid 6594] memfd_create("syzkaller", 0 [pid 6593] <... futex resumed>) = 0 [ 193.225931][ T6587] loop5: detected capacity change from 0 to 4096 [pid 6589] munmap(0x7f7a51cd9000, 2097152 [pid 6587] close(3 [pid 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6595] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6594] <... memfd_create resumed>) = 3 [pid 6593] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6592] <... clone resumed>, parent_tid=[239], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 239 [pid 6591] <... write resumed>) = 2097152 [pid 6587] <... close resumed>) = 0 [pid 6584] close(13 [pid 6595] <... set_robust_list resumed>) = 0 [pid 6594] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6592] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] mkdir("./file0", 0777 [pid 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6595] memfd_create("syzkaller", 0 [pid 6594] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6584] close(14 [pid 6595] <... memfd_create resumed>) = 3 [pid 6592] <... futex resumed>) = 0 [pid 6591] munmap(0x7f7a51cd9000, 2097152 [pid 6589] <... munmap resumed>) = 0 [pid 6587] <... mkdir resumed>) = 0 [pid 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6592] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6591] <... munmap resumed>) = 0 [pid 6589] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6587] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6584] close(15 [pid 6595] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6589] <... openat resumed>) = 4 [pid 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6589] ioctl(4, LOOP_SET_FD, 3 [pid 6584] close(16 [pid 6595] 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 6594] 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 6591] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6591] <... openat resumed>) = 4 [pid 6589] <... ioctl resumed>) = 0 [pid 6587] <... mount resumed>) = 0 [pid 6584] close(17 [pid 6591] ioctl(4, LOOP_SET_FD, 3 [pid 6589] close(3 [pid 6587] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6589] <... close resumed>) = 0 [pid 6587] <... openat resumed>) = 3 [pid 6589] mkdir("./file0", 0777 [pid 6587] chdir("./file0" [pid 6589] <... mkdir resumed>) = 0 [pid 6587] <... chdir resumed>) = 0 [pid 6589] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6587] ioctl(4, LOOP_CLR_FD) = 0 [pid 6584] close(18 [pid 6587] close(4 [pid 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6591] <... ioctl resumed>) = 0 [pid 6587] <... close resumed>) = 0 [pid 6584] close(19 [pid 6591] close(3 [pid 6587] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6591] <... close resumed>) = 0 [pid 6587] <... futex resumed>) = 1 [pid 6586] <... futex resumed>) = 0 [pid 6584] close(20 [pid 6591] mkdir("./file0", 0777 [pid 6587] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6586] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 193.305989][ T6589] loop4: detected capacity change from 0 to 4096 [ 193.336952][ T6591] loop1: detected capacity change from 0 to 4096 [pid 6594] <... write resumed>) = 2097152 [pid 6591] <... mkdir resumed>) = 0 [pid 6587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6586] <... futex resumed>) = 0 [pid 6584] close(21 [pid 6595] <... write resumed>) = 2097152 [pid 6594] munmap(0x7f7a51cd9000, 2097152 [pid 6591] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6587] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6586] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6595] munmap(0x7f7a51cd9000, 2097152 [pid 6584] close(22 [pid 6595] <... munmap resumed>) = 0 [pid 6594] <... munmap resumed>) = 0 [pid 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6584] close(23) = -1 EBADF (Bad file descriptor) [pid 6584] close(24) = -1 EBADF (Bad file descriptor) [pid 6584] close(25) = -1 EBADF (Bad file descriptor) [pid 6584] close(26) = -1 EBADF (Bad file descriptor) [pid 6584] close(27) = -1 EBADF (Bad file descriptor) [pid 6595] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6584] close(28) = -1 EBADF (Bad file descriptor) [pid 6595] <... openat resumed>) = 4 [pid 6584] close(29 [pid 6595] ioctl(4, LOOP_SET_FD, 3 [pid 6584] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6594] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6584] exit_group(0 [pid 6595] <... ioctl resumed>) = 0 [pid 6594] <... openat resumed>) = 4 [pid 6585] <... futex resumed>) = ? [pid 6584] <... exit_group resumed>) = ? [pid 6595] close(3 [pid 6594] ioctl(4, LOOP_SET_FD, 3 [pid 6587] <... mkdirat resumed>) = 0 [pid 6585] +++ exited with 0 +++ [pid 6595] <... close resumed>) = 0 [pid 6587] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6595] mkdir("./file0", 0777 [pid 6587] <... futex resumed>) = 1 [pid 6586] <... futex resumed>) = 0 [pid 6595] <... mkdir resumed>) = 0 [pid 6587] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6586] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] +++ exited with 0 +++ [pid 6595] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6586] <... futex resumed>) = 0 [pid 6587] <... symlinkat resumed>) = 0 [pid 6586] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6587] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] <... mount resumed>) = 0 [pid 6587] <... futex resumed>) = 1 [pid 6586] <... futex resumed>) = 0 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6589] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6587] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6586] close(3 [pid 5074] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6589] <... openat resumed>) = 3 [pid 6586] <... close resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6589] chdir("./file0" [pid 6586] close(4 [pid 5074] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6589] <... chdir resumed>) = 0 [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... openat resumed>) = 3 [pid 6589] ioctl(4, LOOP_CLR_FD [pid 6586] close(5 [pid 5074] fstat(3, [pid 6589] <... ioctl resumed>) = 0 [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6594] <... ioctl resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6589] close(4 [pid 6586] close(6 [pid 5074] getdents64(3, [ 193.414753][ T6595] loop3: detected capacity change from 0 to 4096 [ 193.427740][ T6594] loop2: detected capacity change from 0 to 4096 [pid 6594] close(3 [pid 6591] <... mount resumed>) = 0 [pid 6589] <... close resumed>) = 0 [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6594] <... close resumed>) = 0 [pid 6591] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6589] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6594] mkdir("./file0", 0777 [pid 6591] <... openat resumed>) = 3 [pid 6589] <... futex resumed>) = 1 [pid 6588] <... futex resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6594] <... mkdir resumed>) = 0 [pid 6591] chdir("./file0" [pid 6589] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6588] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] lstat("./117/binderfs", [pid 6594] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6591] <... chdir resumed>) = 0 [pid 6589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6588] <... futex resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6591] ioctl(4, LOOP_CLR_FD [pid 6589] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6588] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6586] close(7 [pid 5074] unlink("./117/binderfs" [pid 6595] <... mount resumed>) = 0 [pid 6591] <... ioctl resumed>) = 0 [pid 6589] <... mkdirat resumed>) = 0 [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... unlink resumed>) = 0 [pid 6595] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6594] <... mount resumed>) = 0 [pid 6591] close(4 [pid 6589] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6586] close(8 [pid 5074] umount2("./117/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6595] <... openat resumed>) = 3 [pid 6591] <... close resumed>) = 0 [pid 6589] <... futex resumed>) = 1 [pid 6588] <... futex resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6591] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6588] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] lstat("./117/cgroup", [pid 6591] <... futex resumed>) = 1 [pid 6594] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6590] <... futex resumed>) = 0 [pid 6589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6588] <... futex resumed>) = 0 [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6594] <... openat resumed>) = 3 [pid 6591] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6590] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6588] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6586] close(9 [pid 5074] unlink("./117/cgroup" [pid 6594] chdir("./file0" [pid 6591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6590] <... futex resumed>) = 0 [pid 6589] <... symlinkat resumed>) = 0 [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... unlink resumed>) = 0 [pid 6594] <... chdir resumed>) = 0 [pid 6591] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6590] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6589] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6586] close(10 [pid 5074] umount2("./117/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6595] chdir("./file0" [pid 6594] ioctl(4, LOOP_CLR_FD [pid 6591] <... mkdirat resumed>) = 0 [pid 6589] <... futex resumed>) = 1 [pid 6588] <... futex resumed>) = 0 [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6595] <... chdir resumed>) = 0 [pid 6594] <... ioctl resumed>) = 0 [pid 6591] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6588] close(3 [pid 6586] close(11 [pid 5074] lstat("./117/cgroup.net", [pid 6595] ioctl(4, LOOP_CLR_FD [pid 6594] close(4 [pid 6591] <... futex resumed>) = 1 [pid 6590] <... futex resumed>) = 0 [pid 6588] <... close resumed>) = 0 [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6595] <... ioctl resumed>) = 0 [pid 6594] <... close resumed>) = 0 [pid 6591] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6590] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6588] close(4 [pid 6586] close(12 [pid 5074] unlink("./117/cgroup.net" [pid 6595] close(4 [pid 6594] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6590] <... futex resumed>) = 0 [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... unlink resumed>) = 0 [pid 6595] <... close resumed>) = 0 [pid 6594] <... futex resumed>) = 1 [pid 6593] <... futex resumed>) = 0 [pid 6591] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6590] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6588] close(5 [pid 6586] close(13 [pid 5074] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6595] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6593] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6591] <... symlinkat resumed>) = 0 [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6595] <... futex resumed>) = 1 [pid 6594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6593] <... futex resumed>) = 0 [pid 6592] <... futex resumed>) = 0 [pid 6591] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6588] close(6 [pid 6586] close(14 [pid 6595] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6594] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6593] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6592] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6591] <... futex resumed>) = 1 [pid 6590] <... futex resumed>) = 0 [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6594] <... mkdirat resumed>) = 0 [pid 6592] <... futex resumed>) = 0 [pid 6591] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6590] close(3 [pid 6588] close(7 [pid 6586] close(15 [pid 5074] <... umount2 resumed>) = 0 [pid 6595] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6594] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6590] <... close resumed>) = 0 [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6594] <... futex resumed>) = 1 [pid 6593] <... futex resumed>) = 0 [pid 6590] close(4 [pid 6588] close(8 [pid 6586] close(16 [pid 6595] <... mkdirat resumed>) = 0 [pid 6594] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6593] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6595] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6593] <... futex resumed>) = 0 [pid 6590] close(5 [pid 6588] close(9 [pid 6586] close(17 [pid 6595] <... futex resumed>) = 1 [pid 6594] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6593] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6592] <... futex resumed>) = 0 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6595] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6594] <... symlinkat resumed>) = 0 [pid 6592] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] close(6 [pid 6588] close(10 [pid 6586] close(18 [pid 6595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6594] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6594] <... futex resumed>) = 1 [pid 6593] <... futex resumed>) = 0 [pid 6590] close(7 [pid 6588] close(11 [pid 6586] close(19 [pid 6594] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6593] close(3 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6593] <... close resumed>) = 0 [pid 6590] close(8 [pid 6588] close(12 [pid 6586] close(20 [pid 6593] close(4 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./117/file0", [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] close(9 [pid 6588] close(13 [pid 6586] close(21 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6593] close(5 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] close(10 [pid 6588] close(14 [pid 6586] close(22 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6595] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6593] close(6 [pid 6592] <... futex resumed>) = 0 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] openat(AT_FDCWD, "./117/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6592] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6590] close(11 [pid 6588] close(15 [pid 6586] close(23 [pid 5074] <... openat resumed>) = 4 [pid 6593] close(7 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] fstat(4, [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] close(12 [pid 6588] close(16 [pid 6586] close(24 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6595] <... symlinkat resumed>) = 0 [pid 6593] close(8 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] getdents64(4, [pid 6595] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] close(13 [pid 6588] close(17 [pid 6586] close(25 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6595] <... futex resumed>) = 1 [pid 6593] close(9 [pid 6592] <... futex resumed>) = 0 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] getdents64(4, [pid 6595] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6592] close(3 [pid 6590] close(14 [pid 6588] close(18 [pid 6586] close(26 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6593] close(10 [pid 6592] <... close resumed>) = 0 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] close(4 [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] close(15 [pid 6588] close(19 [pid 6586] close(27 [pid 5074] <... close resumed>) = 0 [pid 6593] close(11 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] rmdir("./117/file0" [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] close(16 [pid 6588] close(20 [pid 6586] close(28 [pid 5074] <... rmdir resumed>) = 0 [pid 6593] close(12 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./117/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] close(17 [pid 6588] close(21 [pid 6586] close(29 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6593] close(13 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6586] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./117/cgroup.cpu", [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] close(18 [pid 6588] close(22 [pid 6586] exit_group(0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6593] close(14 [pid 6592] close(4 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6587] <... futex resumed>) = ? [pid 6586] <... exit_group resumed>) = ? [pid 5074] unlink("./117/cgroup.cpu" [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] close(19 [pid 6588] close(23 [pid 5074] <... unlink resumed>) = 0 [pid 6593] close(15 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] getdents64(3, [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] close(20 [pid 6588] close(24 [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6593] close(16 [pid 6592] close(5 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6587] +++ exited with 0 +++ [pid 6586] +++ exited with 0 +++ [pid 5074] close(3 [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] close(21 [pid 6588] close(25 [pid 5074] <... close resumed>) = 0 [pid 6593] close(17 [pid 6592] close(6 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5074] rmdir("./117" [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] close(22 [pid 6588] close(26 [pid 5074] <... rmdir resumed>) = 0 [pid 6593] close(18 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] mkdir("./118", 0777 [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6592] close(7 [pid 6590] close(23 [pid 6588] close(27 [pid 5074] <... mkdir resumed>) = 0 [pid 6593] close(19 [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6592] close(8 [pid 6590] close(24 [pid 6588] close(28 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... openat resumed>) = 3 [pid 6593] close(20 [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6592] close(9 [pid 6590] close(25 [pid 6588] close(29 [pid 5077] <... openat resumed>) = 3 [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6593] close(21 [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6588] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] fstat(3, [pid 5074] close(3 [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6592] close(10 [pid 6590] close(26 [pid 6588] exit_group(0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... close resumed>) = 0 [pid 6593] close(22 [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6589] <... futex resumed>) = ? [pid 6588] <... exit_group resumed>) = ? [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6596 attached [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] close(27 [pid 6589] +++ exited with 0 +++ [pid 6588] +++ exited with 0 +++ [pid 6596] set_robust_list(0x5555562845e0, 24 [pid 6593] close(23 [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] getdents64(3, [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 238 [pid 6596] <... set_robust_list resumed>) = 0 [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6592] close(11 [pid 6590] close(28 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6596] chdir("./118" [pid 6593] close(24 [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6596] <... chdir resumed>) = 0 [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6592] close(12 [pid 6590] close(29 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6596] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6593] close(25 [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6590] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] lstat("./120/binderfs", [pid 5076] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6596] <... prctl resumed>) = 0 [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6592] close(13 [pid 6590] exit_group(0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] <... openat resumed>) = 3 [pid 6596] setpgid(0, 0 [pid 6593] close(26 [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6591] <... futex resumed>) = ? [pid 6590] <... exit_group resumed>) = ? [pid 5077] unlink("./120/binderfs" [pid 5076] fstat(3, [pid 6596] <... setpgid resumed>) = 0 [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6592] close(14 [pid 6591] +++ exited with 0 +++ [pid 6590] +++ exited with 0 +++ [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6596] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6593] close(27 [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./120/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] getdents64(3, [pid 6596] <... symlink resumed>) = 0 [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6592] close(15 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=248, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6596] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6593] close(28 [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./123", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] lstat("./120/cgroup", [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6596] <... symlink resumed>) = 0 [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6592] close(16 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6596] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6593] close(29 [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] unlink("./120/cgroup" [pid 5076] umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6596] <... symlink resumed>) = 0 [pid 6593] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6592] close(17 [pid 5078] <... openat resumed>) = 3 [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6593] exit_group(0 [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] fstat(3, [pid 5077] umount2("./120/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] lstat("./116/binderfs", [pid 6596] <... openat resumed>) = 3 [pid 6594] <... futex resumed>) = ? [pid 6593] <... exit_group resumed>) = ? [pid 6592] close(18 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] lstat("./120/cgroup.net", [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6592] close(19 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] unlink("./120/cgroup.net" [pid 6594] +++ exited with 0 +++ [pid 6593] +++ exited with 0 +++ [pid 6596] write(3, "1000", 4 [pid 6592] close(20 [pid 5078] getdents64(3, [pid 5077] <... unlink resumed>) = 0 [pid 5076] unlink("./116/binderfs" [pid 6596] <... write resumed>) = 4 [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5077] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6596] close(3 [pid 6592] close(21 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=252, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5078] umount2("./123/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... unlink resumed>) = 0 [pid 6596] <... close resumed>) = 0 [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6592] close(22 [pid 6596] symlink("/dev/binderfs", "./binderfs" [pid 6592] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./116/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6592] close(23) = -1 EBADF (Bad file descriptor) [pid 6596] <... symlink resumed>) = 0 [pid 6592] close(24) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./123/binderfs", [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6592] close(25) = -1 EBADF (Bad file descriptor) [pid 6592] close(26) = -1 EBADF (Bad file descriptor) [pid 6592] close(27) = -1 EBADF (Bad file descriptor) [pid 6592] close(28) = -1 EBADF (Bad file descriptor) [pid 6592] close(29) = -1 EBADF (Bad file descriptor) [pid 6592] exit_group(0 [pid 6595] <... futex resumed>) = ? [pid 6592] <... exit_group resumed>) = ? [pid 6595] +++ exited with 0 +++ [pid 6592] +++ exited with 0 +++ [pid 5076] lstat("./116/cgroup", [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6596] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] unlink("./123/binderfs" [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] unlink("./116/cgroup" [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 6596] <... futex resumed>) = 0 [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5078] umount2("./123/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./116/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6596] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5078] lstat("./123/cgroup", [pid 5076] lstat("./116/cgroup.net", [pid 5075] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6596] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [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 5075] <... openat resumed>) = 3 [pid 6596] <... mprotect resumed>) = 0 [pid 6596] 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] umount2("./125", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] unlink("./123/cgroup" [pid 5077] <... umount2 resumed>) = 0 [pid 5076] unlink("./116/cgroup.net" [pid 5075] fstat(3, ./strace-static-x86_64: Process 6597 attached [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... unlink resumed>) = 0 [pid 5077] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6597] set_robust_list(0x7f7a5a0f99e0, 24 [pid 5079] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] umount2("./123/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] getdents64(3, [pid 6597] <... set_robust_list resumed>) = 0 [pid 6596] <... clone resumed>, parent_tid=[239], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 239 [pid 5079] <... openat resumed>) = 3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./120/file0", [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6597] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5079] fstat(3, [pid 5078] lstat("./123/cgroup.net", [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6596] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [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] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6597] <... futex resumed>) = 0 [pid 6596] <... futex resumed>) = 1 [pid 5079] getdents64(3, [pid 5078] unlink("./123/cgroup.net" [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./118/binderfs", [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] <... unlink resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./120/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6597] memfd_create("syzkaller", 0 [pid 6596] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] umount2("./125/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... openat resumed>) = 4 [pid 5075] unlink("./118/binderfs" [pid 6597] <... memfd_create resumed>) = 3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] fstat(4, [pid 5075] <... unlink resumed>) = 0 [pid 6597] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5079] lstat("./125/binderfs", [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] umount2("./118/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6597] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] getdents64(4, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] unlink("./125/binderfs" [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] <... umount2 resumed>) = 0 [pid 5075] lstat("./118/cgroup", [pid 5079] <... unlink resumed>) = 0 [pid 5077] getdents64(4, [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] umount2("./125/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... umount2 resumed>) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] unlink("./118/cgroup" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] close(4 [pid 5075] <... unlink resumed>) = 0 [pid 5079] lstat("./125/cgroup", [pid 5077] <... close resumed>) = 0 [pid 5075] umount2("./118/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] rmdir("./120/file0" [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] unlink("./125/cgroup" [pid 5077] <... rmdir resumed>) = 0 [pid 5075] lstat("./118/cgroup.net", [pid 5079] <... unlink resumed>) = 0 [pid 5077] umount2("./120/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] umount2("./125/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] unlink("./118/cgroup.net" [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./120/cgroup.cpu", [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... unlink resumed>) = 0 [pid 5079] lstat("./125/cgroup.net", [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] lstat("./116/file0", [pid 5075] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] unlink("./120/cgroup.cpu" [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] unlink("./125/cgroup.net" [pid 5077] <... unlink resumed>) = 0 [pid 5076] umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... unlink resumed>) = 0 [pid 5077] getdents64(3, [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] close(3 [pid 5076] openat(AT_FDCWD, "./116/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] <... close resumed>) = 0 [pid 5076] <... openat resumed>) = 4 [pid 5077] rmdir("./120" [pid 5076] fstat(4, [pid 5077] <... rmdir resumed>) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] mkdir("./121", 0777 [pid 5076] getdents64(4, [pid 5078] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... mkdir resumed>) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5076] getdents64(4, [pid 5078] lstat("./123/file0", [pid 5077] <... openat resumed>) = 3 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] close(4 [pid 5078] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] <... close resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] close(3 [pid 5076] rmdir("./116/file0" [pid 5078] openat(AT_FDCWD, "./123/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] <... close resumed>) = 0 [pid 5076] <... rmdir resumed>) = 0 [pid 5078] <... openat resumed>) = 4 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] umount2("./116/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6598 attached [pid 5078] fstat(4, [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6598] set_robust_list(0x5555562845e0, 24 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 244 [pid 5076] lstat("./116/cgroup.cpu", [pid 6598] <... set_robust_list resumed>) = 0 [pid 5078] getdents64(4, [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6598] chdir("./121" [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] unlink("./116/cgroup.cpu" [pid 6598] <... chdir resumed>) = 0 [pid 5078] getdents64(4, [pid 5076] <... unlink resumed>) = 0 [pid 6598] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] getdents64(3, [pid 6598] <... prctl resumed>) = 0 [pid 5078] close(4 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6598] setpgid(0, 0 [pid 5078] <... close resumed>) = 0 [pid 5076] close(3 [pid 6598] <... setpgid resumed>) = 0 [pid 5078] rmdir("./123/file0" [pid 5076] <... close resumed>) = 0 [pid 6598] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5078] <... rmdir resumed>) = 0 [pid 5076] rmdir("./116" [pid 6598] <... symlink resumed>) = 0 [pid 5078] umount2("./123/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... rmdir resumed>) = 0 [pid 6598] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5079] <... umount2 resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] mkdir("./117", 0777 [pid 6598] <... symlink resumed>) = 0 [pid 5078] lstat("./123/cgroup.cpu", [pid 5076] <... mkdir resumed>) = 0 [pid 6598] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6598] <... symlink resumed>) = 0 [pid 5078] unlink("./123/cgroup.cpu" [pid 5076] <... openat resumed>) = 3 [pid 6598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] <... unlink resumed>) = 0 [pid 5076] ioctl(3, LOOP_CLR_FD [pid 6598] <... openat resumed>) = 3 [pid 5078] getdents64(3, [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6598] write(3, "1000", 4 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] close(3 [pid 6598] <... write resumed>) = 4 [pid 5078] close(3 [pid 5076] <... close resumed>) = 0 [pid 5075] <... umount2 resumed>) = 0 [pid 6598] close(3 [pid 5078] <... close resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6599 attached [pid 6598] <... close resumed>) = 0 [pid 5078] rmdir("./123" [pid 6599] set_robust_list(0x5555562845e0, 24 [pid 6598] symlink("/dev/binderfs", "./binderfs" [pid 5078] <... rmdir resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 236 [pid 6599] <... set_robust_list resumed>) = 0 [pid 6598] <... symlink resumed>) = 0 [pid 5078] mkdir("./124", 0777 [pid 6599] chdir("./117" [pid 6598] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... mkdir resumed>) = 0 [pid 6599] <... chdir resumed>) = 0 [pid 6598] <... futex resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6598] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] <... openat resumed>) = 3 [pid 6599] <... prctl resumed>) = 0 [pid 6598] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6599] setpgid(0, 0 [pid 6598] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6599] <... setpgid resumed>) = 0 [pid 6598] <... mprotect resumed>) = 0 [pid 5078] close(3 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6599] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6598] 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] <... close resumed>) = 0 [pid 5075] lstat("./118/file0", ./strace-static-x86_64: Process 6600 attached [pid 6599] <... symlink resumed>) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6601 attached [pid 6600] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6599] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6598] <... clone resumed>, parent_tid=[245], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 245 [pid 6601] set_robust_list(0x5555562845e0, 24 [pid 6600] <... set_robust_list resumed>) = 0 [pid 6599] <... symlink resumed>) = 0 [pid 6598] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 250 [pid 5075] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6601] <... set_robust_list resumed>) = 0 [pid 6600] memfd_create("syzkaller", 0 [pid 6599] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6598] <... futex resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6601] chdir("./124" [pid 6600] <... memfd_create resumed>) = 3 [pid 6599] <... symlink resumed>) = 0 [pid 6598] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5075] openat(AT_FDCWD, "./118/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6601] <... chdir resumed>) = 0 [pid 6600] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] <... openat resumed>) = 4 [pid 6601] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6600] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6599] <... openat resumed>) = 3 [pid 5075] fstat(4, [pid 6601] <... prctl resumed>) = 0 [pid 6599] write(3, "1000", 4 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6601] setpgid(0, 0 [pid 6599] <... write resumed>) = 4 [pid 6597] 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("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] getdents64(4, [pid 6601] <... setpgid resumed>) = 0 [pid 6599] close(3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6601] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6599] <... close resumed>) = 0 [pid 5075] getdents64(4, [pid 6601] <... symlink resumed>) = 0 [pid 6599] symlink("/dev/binderfs", "./binderfs" [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6601] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6599] <... symlink resumed>) = 0 [pid 5075] close(4 [pid 6601] <... symlink resumed>) = 0 [pid 6599] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... close resumed>) = 0 [pid 6601] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6599] <... futex resumed>) = 0 [pid 5075] rmdir("./118/file0" [pid 6601] <... symlink resumed>) = 0 [pid 6599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5075] <... rmdir resumed>) = 0 [pid 6601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6599] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5075] umount2("./118/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6601] <... openat resumed>) = 3 [pid 6599] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] lstat("./125/file0", [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6601] write(3, "1000", 4 [pid 6599] <... mprotect resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] lstat("./118/cgroup.cpu", [pid 6601] <... write resumed>) = 4 [pid 6599] 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] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6602 attached [pid 6601] close(3 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] unlink("./118/cgroup.cpu" [pid 6602] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6601] <... close resumed>) = 0 [pid 6599] <... clone resumed>, parent_tid=[237], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 237 [pid 5079] openat(AT_FDCWD, "./125/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... unlink resumed>) = 0 [pid 6602] <... set_robust_list resumed>) = 0 [pid 6601] symlink("/dev/binderfs", "./binderfs" [pid 6599] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] <... openat resumed>) = 4 [pid 5075] getdents64(3, [pid 6602] memfd_create("syzkaller", 0 [pid 6601] <... symlink resumed>) = 0 [pid 6599] <... futex resumed>) = 0 [pid 5079] fstat(4, [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6602] <... memfd_create resumed>) = 3 [pid 6601] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] close(3 [pid 6602] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6601] <... futex resumed>) = 0 [pid 5079] getdents64(4, [pid 5075] <... close resumed>) = 0 [pid 6602] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] rmdir("./118" [pid 6601] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6597] <... write resumed>) = 2097152 [pid 5075] <... rmdir resumed>) = 0 [pid 6601] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6600] 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] getdents64(4, [pid 5075] mkdir("./119", 0777 [pid 6601] <... mprotect resumed>) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] <... mkdir resumed>) = 0 [pid 6601] 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(4 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 6603 attached [pid 5079] <... close resumed>) = 0 [pid 5075] <... openat resumed>) = 3 [pid 6603] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6601] <... clone resumed>, parent_tid=[251], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 251 [pid 5079] rmdir("./125/file0" [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6603] <... set_robust_list resumed>) = 0 [pid 6601] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6603] memfd_create("syzkaller", 0 [pid 6601] <... futex resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 5075] close(3 [pid 6603] <... memfd_create resumed>) = 3 [pid 6601] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] umount2("./125/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... close resumed>) = 0 [pid 6603] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6604 attached [pid 6603] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5079] lstat("./125/cgroup.cpu", [pid 6604] set_robust_list(0x5555562845e0, 24 [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 240 [pid 6604] <... set_robust_list resumed>) = 0 [pid 6604] chdir("./119" [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6604] <... chdir resumed>) = 0 [pid 5079] unlink("./125/cgroup.cpu" [pid 6604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... unlink resumed>) = 0 [pid 6604] <... prctl resumed>) = 0 [pid 5079] getdents64(3, [pid 6604] setpgid(0, 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6604] <... setpgid resumed>) = 0 [pid 5079] close(3 [pid 6604] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5079] <... close resumed>) = 0 [pid 6604] <... symlink resumed>) = 0 [pid 6602] 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 6597] munmap(0x7f7a51cd9000, 2097152 [pid 5079] rmdir("./125" [pid 6604] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 6604] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6603] 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 6600] <... write resumed>) = 2097152 [pid 6597] <... munmap resumed>) = 0 [pid 5079] mkdir("./126", 0777 [pid 6604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6597] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6604] <... openat resumed>) = 3 [pid 6600] munmap(0x7f7a51cd9000, 2097152 [pid 6597] <... openat resumed>) = 4 [pid 5079] <... mkdir resumed>) = 0 [pid 6604] write(3, "1000", 4 [pid 6600] <... munmap resumed>) = 0 [pid 6597] ioctl(4, LOOP_SET_FD, 3 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6604] <... write resumed>) = 4 [pid 6602] <... write resumed>) = 2097152 [pid 6600] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6597] <... ioctl resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 6604] close(3 [pid 6602] munmap(0x7f7a51cd9000, 2097152 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6604] <... close resumed>) = 0 [pid 6604] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6604] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6603] <... write resumed>) = 2097152 [pid 5079] close(3 [pid 6604] <... futex resumed>) = 0 [pid 6603] munmap(0x7f7a51cd9000, 2097152 [pid 5079] <... close resumed>) = 0 [pid 6604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6604] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6600] <... openat resumed>) = 4 [pid 6604] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6600] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6605 attached [pid 6604] <... mprotect resumed>) = 0 [pid 6603] <... munmap resumed>) = 0 [pid 6602] <... munmap resumed>) = 0 [pid 6597] close(3 [pid 6605] set_robust_list(0x5555562845e0, 24 [pid 6604] 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 6603] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6602] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6600] <... ioctl resumed>) = 0 [pid 6597] <... close resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 254 ./strace-static-x86_64: Process 6606 attached [pid 6605] <... set_robust_list resumed>) = 0 [pid 6603] <... openat resumed>) = 4 [pid 6602] <... openat resumed>) = 4 [pid 6600] close(3 [pid 6597] mkdir("./file0", 0777 [pid 6606] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6605] chdir("./126" [pid 6604] <... clone resumed>, parent_tid=[241], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 241 [pid 6603] ioctl(4, LOOP_SET_FD, 3 [pid 6602] ioctl(4, LOOP_SET_FD, 3 [pid 6600] <... close resumed>) = 0 [pid 6597] <... mkdir resumed>) = 0 [pid 6606] <... set_robust_list resumed>) = 0 [pid 6605] <... chdir resumed>) = 0 [ 194.092913][ T6597] loop0: detected capacity change from 0 to 4096 [ 194.107044][ T6600] loop5: detected capacity change from 0 to 4096 [ 194.132278][ T6603] loop1: detected capacity change from 0 to 4096 [pid 6604] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6603] <... ioctl resumed>) = 0 [pid 6604] <... futex resumed>) = 0 [pid 6600] mkdir("./file0", 0777 [pid 6605] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6597] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6604] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6606] memfd_create("syzkaller", 0) = 3 [pid 6605] <... prctl resumed>) = 0 [pid 6603] close(3 [pid 6602] <... ioctl resumed>) = 0 [pid 6600] <... mkdir resumed>) = 0 [pid 6606] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6605] setpgid(0, 0 [pid 6603] <... close resumed>) = 0 [pid 6602] close(3 [pid 6600] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6606] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6605] <... setpgid resumed>) = 0 [pid 6603] mkdir("./file0", 0777 [pid 6602] <... close resumed>) = 0 [pid 6603] <... mkdir resumed>) = 0 [pid 6602] mkdir("./file0", 0777 [pid 6605] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6602] <... mkdir resumed>) = 0 [pid 6603] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6605] <... symlink resumed>) = 0 [pid 6605] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6602] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6605] <... symlink resumed>) = 0 [pid 6605] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 194.140429][ T6602] loop4: detected capacity change from 0 to 4096 [pid 6605] write(3, "1000", 4) = 4 [pid 6605] close(3) = 0 [pid 6605] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6605] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6605] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6597] <... mount resumed>) = 0 [pid 6605] 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 6597] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 6607 attached ) = 3 [pid 6607] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6605] <... clone resumed>, parent_tid=[255], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 255 [pid 6597] chdir("./file0" [pid 6607] <... set_robust_list resumed>) = 0 [pid 6605] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] <... chdir resumed>) = 0 [pid 6605] <... futex resumed>) = 0 [pid 6605] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6607] memfd_create("syzkaller", 0 [pid 6597] ioctl(4, LOOP_CLR_FD [pid 6607] <... memfd_create resumed>) = 3 [pid 6597] <... ioctl resumed>) = 0 [pid 6607] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6602] <... mount resumed>) = 0 [pid 6597] close(4 [pid 6607] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6597] <... close resumed>) = 0 [pid 6597] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] <... futex resumed>) = 0 [pid 6597] <... futex resumed>) = 1 [pid 6596] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6602] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6597] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6596] <... futex resumed>) = 0 [pid 6602] <... openat resumed>) = 3 [pid 6596] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6602] chdir("./file0" [pid 6597] <... mkdirat resumed>) = 0 [pid 6602] <... chdir resumed>) = 0 [pid 6597] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] <... mount resumed>) = 0 [pid 6603] <... mount resumed>) = 0 [pid 6602] ioctl(4, LOOP_CLR_FD [pid 6600] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6597] <... futex resumed>) = 1 [pid 6596] <... futex resumed>) = 0 [pid 6603] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6603] chdir("./file0") = 0 [pid 6603] ioctl(4, LOOP_CLR_FD) = 0 [pid 6603] close(4) = 0 [pid 6603] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6602] <... ioctl resumed>) = 0 [pid 6601] <... futex resumed>) = 0 [pid 6597] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6596] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] <... openat resumed>) = 3 [pid 6603] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6602] close(4 [pid 6601] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] <... futex resumed>) = 0 [pid 6603] <... mkdirat resumed>) = 0 [pid 6602] <... close resumed>) = 0 [pid 6601] <... futex resumed>) = 0 [pid 6600] chdir("./file0" [pid 6597] <... symlinkat resumed>) = 0 [pid 6596] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6603] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6602] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6601] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6600] <... chdir resumed>) = 0 [pid 6597] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6606] 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 6603] <... futex resumed>) = 0 [pid 6602] <... futex resumed>) = 1 [pid 6601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6600] ioctl(4, LOOP_CLR_FD [pid 6599] <... futex resumed>) = 0 [pid 6597] <... futex resumed>) = 0 [pid 6596] close(3 [pid 6603] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6602] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6601] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] <... ioctl resumed>) = 0 [pid 6599] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] <... close resumed>) = 0 [pid 6603] <... symlinkat resumed>) = 0 [pid 6602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6601] <... futex resumed>) = 0 [pid 6600] close(4 [pid 6599] <... futex resumed>) = 0 [pid 6596] close(4 [pid 6607] 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 6603] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6602] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6601] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6600] <... close resumed>) = 0 [pid 6599] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6603] <... futex resumed>) = 0 [pid 6601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6600] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] close(5 [pid 6603] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6602] <... mkdirat resumed>) = 0 [pid 6601] close(3 [pid 6600] <... futex resumed>) = 1 [pid 6598] <... futex resumed>) = 0 [pid 6596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6602] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6601] <... close resumed>) = 0 [pid 6600] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6598] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] close(6 [pid 6602] <... futex resumed>) = 1 [pid 6601] close(4 [pid 6600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6599] <... futex resumed>) = 0 [pid 6598] <... futex resumed>) = 0 [pid 6596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6602] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6600] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6599] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6596] close(7 [pid 6602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6601] close(5 [pid 6599] <... futex resumed>) = 0 [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6602] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6601] close(6 [pid 6596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6606] <... write resumed>) = 2097152 [pid 6602] <... symlinkat resumed>) = 0 [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6600] <... mkdirat resumed>) = 0 [pid 6596] close(8 [pid 6606] munmap(0x7f7a51cd9000, 2097152 [pid 6602] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6601] close(7 [pid 6600] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6602] <... futex resumed>) = 1 [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6600] <... futex resumed>) = 1 [pid 6599] <... futex resumed>) = 0 [pid 6598] <... futex resumed>) = 0 [pid 6596] close(9 [pid 6602] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6601] close(8 [pid 6600] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6599] close(3 [pid 6598] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6607] <... write resumed>) = 2097152 [pid 6606] <... munmap resumed>) = 0 [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6599] <... close resumed>) = 0 [pid 6598] <... futex resumed>) = 0 [pid 6596] close(10 [pid 6606] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6601] close(9 [pid 6600] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6599] close(4 [pid 6598] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6596] close(11 [pid 6606] <... openat resumed>) = 4 [pid 6601] close(10 [pid 6600] <... symlinkat resumed>) = 0 [pid 6599] close(5 [pid 6596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6607] munmap(0x7f7a51cd9000, 2097152 [pid 6606] ioctl(4, LOOP_SET_FD, 3 [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6600] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6596] close(12 [pid 6601] close(11 [pid 6599] close(6 [pid 6607] <... munmap resumed>) = 0 [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6601] close(12 [pid 6599] close(7 [pid 6600] <... futex resumed>) = 1 [pid 6598] <... futex resumed>) = 0 [pid 6596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6607] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6600] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] close(3 [pid 6606] <... ioctl resumed>) = 0 [pid 6596] close(13 [pid 6607] <... openat resumed>) = 4 [pid 6606] close(3 [pid 6596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6607] ioctl(4, LOOP_SET_FD, 3 [pid 6606] <... close resumed>) = 0 [pid 6601] close(13 [pid 6599] close(8 [pid 6598] <... close resumed>) = 0 [pid 6596] close(14 [pid 6607] <... ioctl resumed>) = 0 [pid 6606] mkdir("./file0", 0777 [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] close(4 [pid 6596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6607] close(3 [pid 6606] <... mkdir resumed>) = 0 [pid 6601] close(14 [pid 6599] close(9 [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6596] close(15 [pid 6606] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6607] <... close resumed>) = 0 [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] close(5 [pid 6596] close(16 [pid 6607] mkdir("./file0", 0777 [pid 6601] close(15 [pid 6599] close(10 [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6596] close(17 [pid 6607] <... mkdir resumed>) = 0 [pid 6596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] close(6 [pid 6596] close(18) = -1 EBADF (Bad file descriptor) [pid 6596] close(19 [pid 6599] close(11 [pid 6601] close(16 [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6596] close(20) = -1 EBADF (Bad file descriptor) [pid 6596] close(21) = -1 EBADF (Bad file descriptor) [pid 6596] close(22) = -1 EBADF (Bad file descriptor) [pid 6596] close(23) = -1 EBADF (Bad file descriptor) [pid 6596] close(24) = -1 EBADF (Bad file descriptor) [pid 6596] close(25 [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] close(7 [pid 6596] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6607] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6596] close(26) = -1 EBADF (Bad file descriptor) [pid 6596] close(27) = -1 EBADF (Bad file descriptor) [pid 6596] close(28) = -1 EBADF (Bad file descriptor) [pid 6596] close(29) = -1 EBADF (Bad file descriptor) [pid 6596] exit_group(0 [pid 6601] close(17 [pid 6597] <... futex resumed>) = ? [pid 6596] <... exit_group resumed>) = ? [pid 6599] close(12 [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6597] +++ exited with 0 +++ [pid 6596] +++ exited with 0 +++ [pid 6601] close(18 [pid 6599] close(13 [pid 6598] close(8 [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6601] close(19 [pid 6599] close(14 [pid 6598] close(9 [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6601] close(20 [ 194.416975][ T6606] loop3: detected capacity change from 0 to 4096 [ 194.431869][ T6607] loop2: detected capacity change from 0 to 4096 [pid 6599] close(15 [pid 6598] close(10 [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6601] close(21 [pid 6599] close(16 [pid 6598] close(11 [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6601] close(22 [pid 6599] close(17 [pid 6598] close(12 [pid 5074] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6601] close(23 [pid 6599] close(18 [pid 6598] close(13 [pid 5074] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... openat resumed>) = 3 [pid 6601] close(24 [pid 6599] close(19 [pid 6598] close(14 [pid 5074] fstat(3, [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6601] close(25 [pid 6599] close(20 [pid 6598] close(15 [pid 5074] getdents64(3, [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6601] close(26 [pid 6599] close(21 [pid 6598] close(16 [pid 5074] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6601] close(27 [pid 6599] close(22 [pid 6598] close(17 [pid 5074] lstat("./118/binderfs", [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6601] close(28 [pid 6599] close(23 [pid 6598] close(18 [pid 5074] unlink("./118/binderfs" [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... unlink resumed>) = 0 [pid 6601] close(29 [pid 6599] close(24 [pid 6598] close(19 [pid 5074] umount2("./118/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6601] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6601] exit_group(0 [pid 6599] close(25 [pid 6598] close(20 [pid 5074] lstat("./118/cgroup", [pid 6603] <... futex resumed>) = ? [pid 6601] <... exit_group resumed>) = ? [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6606] <... mount resumed>) = 0 [pid 6599] close(26 [pid 5074] unlink("./118/cgroup" [pid 6606] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... unlink resumed>) = 0 [pid 6606] <... openat resumed>) = 3 [pid 6603] +++ exited with 0 +++ [pid 6601] +++ exited with 0 +++ [pid 6599] close(27 [pid 6598] close(21 [pid 5074] umount2("./118/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6606] chdir("./file0" [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} --- [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6606] <... chdir resumed>) = 0 [pid 6599] close(28 [pid 5074] lstat("./118/cgroup.net", [pid 6606] ioctl(4, LOOP_CLR_FD [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6606] <... ioctl resumed>) = 0 [pid 6599] close(29 [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] unlink("./118/cgroup.net" [pid 6606] close(4 [pid 6599] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6598] close(22 [pid 5074] <... unlink resumed>) = 0 [pid 6607] <... mount resumed>) = 0 [pid 6606] <... close resumed>) = 0 [pid 6599] exit_group(0 [pid 5074] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6606] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... exit_group resumed>) = ? [pid 5078] umount2("./124", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6606] <... futex resumed>) = 1 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6606] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5078] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] umount2("./124/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6604] <... futex resumed>) = 0 [pid 6602] <... futex resumed>) = ? [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6607] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6604] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6602] +++ exited with 0 +++ [pid 6599] +++ exited with 0 +++ [pid 6598] close(23 [pid 5078] lstat("./124/binderfs", [pid 6607] <... openat resumed>) = 3 [pid 6606] <... futex resumed>) = 0 [pid 6604] <... futex resumed>) = 1 [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=236, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 6607] chdir("./file0" [pid 6606] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6604] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6598] close(24 [pid 5078] unlink("./124/binderfs" [pid 6607] <... chdir resumed>) = 0 [pid 6606] <... mkdirat resumed>) = 0 [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5074] <... umount2 resumed>) = 0 [pid 6607] ioctl(4, LOOP_CLR_FD [pid 6606] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] umount2("./124/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6606] <... futex resumed>) = 1 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6606] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] lstat("./124/cgroup", [pid 5076] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5078] unlink("./124/cgroup" [pid 5076] fstat(3, [pid 6604] <... futex resumed>) = 0 [pid 6598] close(25 [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6607] <... ioctl resumed>) = 0 [pid 6607] close(4 [pid 6604] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./124/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] getdents64(3, [pid 6607] <... close resumed>) = 0 [pid 6606] <... futex resumed>) = 0 [pid 6604] <... futex resumed>) = 1 [pid 6598] close(26 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5074] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6607] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6604] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./124/cgroup.net", [pid 5076] umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6607] <... futex resumed>) = 1 [pid 6605] <... futex resumed>) = 0 [pid 6598] close(27 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6607] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6605] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./124/cgroup.net" [pid 5076] lstat("./117/binderfs", [pid 6606] <... symlinkat resumed>) = 0 [pid 6605] <... futex resumed>) = 0 [pid 6598] close(28 [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5074] lstat("./118/file0", [pid 6607] <... mkdirat resumed>) = 0 [pid 6606] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6605] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] unlink("./117/binderfs" [pid 6607] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] <... futex resumed>) = 1 [pid 6605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6604] <... futex resumed>) = 0 [pid 6598] close(29 [pid 5076] <... unlink resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6607] <... futex resumed>) = 0 [pid 6606] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6605] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] close(3 [pid 6598] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] umount2("./117/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6607] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6605] <... futex resumed>) = 0 [pid 6604] <... close resumed>) = 0 [pid 6598] exit_group(0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6605] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6604] close(4 [pid 6600] <... futex resumed>) = ? [pid 6598] <... exit_group resumed>) = ? [pid 5076] lstat("./117/cgroup", [pid 5074] openat(AT_FDCWD, "./118/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6607] <... symlinkat resumed>) = 0 [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6600] +++ exited with 0 +++ [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] <... openat resumed>) = 4 [pid 5076] unlink("./117/cgroup" [pid 5074] fstat(4, [pid 5076] <... unlink resumed>) = 0 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6607] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] close(5 [pid 6598] +++ exited with 0 +++ [pid 5076] umount2("./117/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(4, [pid 6607] <... futex resumed>) = 1 [pid 6605] <... futex resumed>) = 0 [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6607] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6605] close(3 [pid 6604] close(6 [pid 5076] lstat("./117/cgroup.net", [pid 5074] getdents64(4, [pid 6605] <... close resumed>) = 0 [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6605] close(4 [pid 6604] close(7 [pid 5076] unlink("./117/cgroup.net" [pid 5074] close(4 [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... unlink resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 6605] close(5 [pid 6604] close(8 [pid 5076] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] rmdir("./118/file0" [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... rmdir resumed>) = 0 [pid 6605] close(6 [pid 5074] umount2("./118/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] close(9 [pid 5077] umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6605] close(7 [pid 5074] lstat("./118/cgroup.cpu", [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6605] close(8 [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] unlink("./118/cgroup.cpu" [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... unlink resumed>) = 0 [pid 6605] close(9 [pid 5074] getdents64(3, [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6605] close(10 [pid 5074] close(3 [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... close resumed>) = 0 [pid 6605] close(11 [pid 6604] close(10 [pid 5078] <... umount2 resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] rmdir("./118" [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... openat resumed>) = 3 [pid 5074] <... rmdir resumed>) = 0 [pid 6605] close(12 [pid 5074] mkdir("./119", 0777 [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] close(11 [pid 5077] fstat(3, [pid 5074] <... mkdir resumed>) = 0 [pid 6605] close(13 [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] close(12 [pid 5077] getdents64(3, [pid 5074] <... openat resumed>) = 3 [pid 6605] close(14 [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] <... umount2 resumed>) = 0 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6605] close(15 [pid 5074] close(3 [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] close(13 [pid 5077] umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... close resumed>) = 0 [pid 6605] close(16 [pid 5078] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6608 attached [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [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 6608] set_robust_list(0x5555562845e0, 24 [pid 6605] close(17 [pid 6604] close(14 [pid 5078] lstat("./124/file0", [pid 5077] lstat("./121/binderfs", [pid 5076] lstat("./117/file0", [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 240 [pid 6608] <... set_robust_list resumed>) = 0 [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6608] chdir("./119" [pid 6605] close(18 [pid 6604] close(15 [pid 5078] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] unlink("./121/binderfs" [pid 5076] umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6608] <... chdir resumed>) = 0 [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6608] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6605] close(19 [pid 6604] close(16 [pid 5078] openat(AT_FDCWD, "./124/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6608] <... prctl resumed>) = 0 [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... openat resumed>) = 4 [pid 5077] umount2("./121/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] openat(AT_FDCWD, "./117/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6608] setpgid(0, 0 [pid 6605] close(20 [pid 6604] close(17 [pid 5078] fstat(4, [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6608] <... setpgid resumed>) = 0 [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] lstat("./121/cgroup", [pid 5076] <... openat resumed>) = 4 [pid 6608] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6605] close(21 [pid 6604] close(18 [pid 5078] getdents64(4, [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] fstat(4, [pid 6608] <... symlink resumed>) = 0 [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] unlink("./121/cgroup" [pid 6608] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6605] close(22 [pid 6604] close(19 [pid 5078] getdents64(4, [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6608] <... symlink resumed>) = 0 [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 5076] getdents64(4, [pid 6608] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6605] close(23 [pid 6604] close(20 [pid 5078] close(4 [pid 5077] umount2("./121/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6608] <... symlink resumed>) = 0 [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] getdents64(4, [pid 6608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6605] close(24 [pid 6604] close(21 [pid 5078] rmdir("./124/file0" [pid 5077] lstat("./121/cgroup.net", [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6608] <... openat resumed>) = 3 [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... rmdir resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] close(4 [pid 6608] write(3, "1000", 4 [pid 6605] close(25 [pid 6604] close(22 [pid 5078] umount2("./124/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] unlink("./121/cgroup.net" [pid 5076] <... close resumed>) = 0 [pid 6608] <... write resumed>) = 4 [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6608] close(3 [pid 6605] close(26 [pid 6604] close(23 [pid 5078] lstat("./124/cgroup.cpu", [pid 5077] <... unlink resumed>) = 0 [pid 5076] rmdir("./117/file0" [pid 6608] <... close resumed>) = 0 [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6608] symlink("/dev/binderfs", "./binderfs" [pid 6605] close(27 [pid 6604] close(24 [pid 5078] unlink("./124/cgroup.cpu" [pid 5076] <... rmdir resumed>) = 0 [pid 6608] <... symlink resumed>) = 0 [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 5076] umount2("./117/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6608] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6605] close(28 [pid 6604] close(25 [pid 5078] getdents64(3, [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6608] <... futex resumed>) = 0 [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] lstat("./117/cgroup.cpu", [pid 6608] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6605] close(29 [pid 6604] close(26 [pid 5078] close(3 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6608] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6605] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = 0 [pid 5076] unlink("./117/cgroup.cpu" [pid 6608] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6605] exit_group(0 [pid 6604] close(27 [pid 5078] rmdir("./124" [pid 6608] <... mprotect resumed>) = 0 [pid 6607] <... futex resumed>) = ? [pid 6605] <... exit_group resumed>) = ? [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... rmdir resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 6608] 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 6607] +++ exited with 0 +++ [pid 6605] +++ exited with 0 +++ [pid 6604] close(28 [pid 5078] mkdir("./125", 0777 [pid 5076] getdents64(3, ./strace-static-x86_64: Process 6609 attached [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... mkdir resumed>) = 0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6609] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6608] <... clone resumed>, parent_tid=[241], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 241 [pid 6604] close(29 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5076] close(3 [pid 6609] <... set_robust_list resumed>) = 0 [pid 6608] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 5078] <... openat resumed>) = 3 [pid 5076] <... close resumed>) = 0 [pid 6609] memfd_create("syzkaller", 0 [pid 6608] <... futex resumed>) = 0 [pid 6604] exit_group(0 [pid 5079] <... restart_syscall resumed>) = 0 [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5076] rmdir("./117" [pid 6609] <... memfd_create resumed>) = 3 [pid 6608] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6606] <... futex resumed>) = ? [pid 6604] <... exit_group resumed>) = ? [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6609] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6606] +++ exited with 0 +++ [pid 5078] close(3 [pid 5076] <... rmdir resumed>) = 0 [pid 6609] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6604] +++ exited with 0 +++ [pid 5079] umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] <... close resumed>) = 0 [pid 5076] mkdir("./118", 0777 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] <... umount2 resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... mkdir resumed>) = 0 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- ./strace-static-x86_64: Process 6610 attached [pid 5079] <... openat resumed>) = 3 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 252 [pid 5077] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6610] set_robust_list(0x5555562845e0, 24 [pid 5079] fstat(3, [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, [pid 6610] <... set_robust_list resumed>) = 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... openat resumed>) = 3 [pid 5079] umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6610] chdir("./125" [pid 5079] lstat("./126/binderfs", [pid 5077] lstat("./121/file0", [pid 5076] ioctl(3, LOOP_CLR_FD [pid 6610] <... chdir resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] unlink("./126/binderfs") = 0 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6610] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] umount2("./126/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./126/cgroup", [pid 5077] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] close(3 [pid 5075] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6610] <... prctl resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6610] setpgid(0, 0 [pid 5079] unlink("./126/cgroup" [pid 5076] <... close resumed>) = 0 [pid 5075] <... openat resumed>) = 3 [pid 6610] <... setpgid resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./121/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] umount2("./126/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./126/cgroup.net", [pid 6610] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] <... openat resumed>) = 4 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] fstat(3, [pid 5079] unlink("./126/cgroup.net"./strace-static-x86_64: Process 6611 attached [pid 6610] <... symlink resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5077] fstat(4, [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6611] set_robust_list(0x5555562845e0, 24 [pid 6610] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5079] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] getdents64(3, [pid 6610] <... symlink resumed>) = 0 [pid 6611] <... set_robust_list resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 238 [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6610] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5077] getdents64(4, [pid 6611] chdir("./118" [pid 5075] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6611] <... chdir resumed>) = 0 [pid 6610] <... symlink resumed>) = 0 [pid 5077] getdents64(4, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6611] <... prctl resumed>) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] lstat("./119/binderfs", [pid 6610] <... openat resumed>) = 3 [pid 6611] setpgid(0, 0 [pid 6610] write(3, "1000", 4 [pid 5077] close(4 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6609] 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 6611] <... setpgid resumed>) = 0 [pid 5075] unlink("./119/binderfs" [pid 6610] <... write resumed>) = 4 [pid 5077] rmdir("./121/file0" [pid 6611] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5075] <... unlink resumed>) = 0 [pid 6611] <... symlink resumed>) = 0 [pid 6610] close(3 [pid 5077] <... rmdir resumed>) = 0 [pid 5075] umount2("./119/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6611] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6610] <... close resumed>) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5077] umount2("./121/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6611] <... symlink resumed>) = 0 [pid 6610] symlink("/dev/binderfs", "./binderfs" [pid 5079] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6611] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6610] <... symlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] lstat("./119/cgroup", [pid 6611] <... symlink resumed>) = 0 [pid 6610] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] lstat("./126/file0", [pid 5077] lstat("./121/cgroup.cpu", [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6610] <... futex resumed>) = 0 [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 5075] unlink("./119/cgroup" [pid 6611] <... openat resumed>) = 3 [pid 6610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] unlink("./121/cgroup.cpu" [pid 5075] <... unlink resumed>) = 0 [pid 6611] write(3, "1000", 4 [pid 6610] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... unlink resumed>) = 0 [pid 5075] umount2("./119/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6611] <... write resumed>) = 4 [pid 5079] openat(AT_FDCWD, "./126/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... openat resumed>) = 4 [pid 6610] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5075] lstat("./119/cgroup.net", [pid 6611] close(3 [pid 5077] getdents64(3, [pid 6610] <... mprotect resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6611] <... close resumed>) = 0 [pid 5075] unlink("./119/cgroup.net" [pid 5079] fstat(4, [pid 6611] symlink("/dev/binderfs", "./binderfs" [pid 5077] close(3 [pid 6610] 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] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... close resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6611] <... symlink resumed>) = 0 [pid 5079] getdents64(4, [pid 5077] rmdir("./121"./strace-static-x86_64: Process 6612 attached [pid 6612] set_robust_list(0x7f7a5a0f99e0, 24) = 0 [pid 6612] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5077] <... rmdir resumed>) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6611] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6611] <... futex resumed>) = 0 [pid 6610] <... clone resumed>, parent_tid=[253], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 253 [pid 5079] close(4 [pid 6611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5077] mkdir("./122", 0777 [pid 5079] <... close resumed>) = 0 [pid 6611] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6610] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] <... write resumed>) = 2097152 [pid 5079] rmdir("./126/file0" [pid 5077] <... mkdir resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 6610] <... futex resumed>) = 1 [pid 6611] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6610] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6612] <... futex resumed>) = 0 [pid 6611] <... mprotect resumed>) = 0 [pid 6612] memfd_create("syzkaller", 0 [pid 6611] 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] umount2("./126/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... openat resumed>) = 3 [pid 6612] <... memfd_create resumed>) = 3 [pid 6612] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 ./strace-static-x86_64: Process 6613 attached [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] ioctl(3, LOOP_CLR_FD [pid 6613] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6611] <... clone resumed>, parent_tid=[239], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 239 [pid 5079] lstat("./126/cgroup.cpu", [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6611] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] <... set_robust_list resumed>) = 0 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] close(3 [pid 6611] <... futex resumed>) = 0 [pid 6613] memfd_create("syzkaller", 0 [pid 6611] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5079] unlink("./126/cgroup.cpu" [pid 5077] <... close resumed>) = 0 [pid 6613] <... memfd_create resumed>) = 3 [pid 5079] <... unlink resumed>) = 0 [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6614 attached [pid 6613] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5079] getdents64(3, [pid 6614] set_robust_list(0x5555562845e0, 24 [pid 6613] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 246 [pid 5075] <... umount2 resumed>) = 0 [pid 6614] <... set_robust_list resumed>) = 0 [pid 6609] munmap(0x7f7a51cd9000, 2097152) = 0 [pid 5079] close(3 [pid 6614] chdir("./122" [pid 5079] <... close resumed>) = 0 [pid 5079] rmdir("./126" [pid 6614] <... chdir resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 6614] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] mkdir("./127", 0777 [pid 6614] <... prctl resumed>) = 0 [pid 6614] setpgid(0, 0 [pid 5079] <... mkdir resumed>) = 0 [pid 6614] <... setpgid resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6614] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5079] <... openat resumed>) = 3 [pid 5075] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6614] <... symlink resumed>) = 0 [pid 6609] <... openat resumed>) = 4 [pid 6609] ioctl(4, LOOP_SET_FD, 3 [pid 6614] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6614] <... symlink resumed>) = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] lstat("./119/file0", [pid 6614] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5079] close(3 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6614] <... symlink resumed>) = 0 [pid 6614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6613] 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] <... close resumed>) = 0 [pid 5075] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6612] 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 6614] <... openat resumed>) = 3 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6609] <... ioctl resumed>) = 0 [pid 6609] close(3) = 0 [pid 6609] mkdir("./file0", 0777) = 0 [pid 6609] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5075] openat(AT_FDCWD, "./119/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6615 attached ) = 4 [pid 6615] set_robust_list(0x5555562845e0, 24) = 0 [pid 6615] chdir("./127" [pid 6614] write(3, "1000", 4 [pid 5075] fstat(4, [pid 6615] <... chdir resumed>) = 0 [pid 6615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6615] setpgid(0, 0) = 0 [pid 6615] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6614] <... write resumed>) = 4 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 256 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] getdents64(4, [pid 6614] close(3 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6615] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6614] <... close resumed>) = 0 [pid 5075] getdents64(4, [pid 6615] <... symlink resumed>) = 0 [pid 6614] symlink("/dev/binderfs", "./binderfs" [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6615] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6614] <... symlink resumed>) = 0 [pid 5075] close(4 [pid 6615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] <... close resumed>) = 0 [pid 6614] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] rmdir("./119/file0" [pid 6615] <... openat resumed>) = 3 [pid 6615] write(3, "1000", 4 [pid 5075] <... rmdir resumed>) = 0 [pid 5075] umount2("./119/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6614] <... futex resumed>) = 0 [pid 6614] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6615] <... write resumed>) = 4 [pid 5075] lstat("./119/cgroup.cpu", [pid 6614] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6615] close(3 [pid 6614] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6615] <... close resumed>) = 0 [pid 6615] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6614] <... mprotect resumed>) = 0 [pid 5075] unlink("./119/cgroup.cpu" [pid 6615] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6614] 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] getdents64(3, [pid 6615] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6616 attached [pid 6614] <... clone resumed>, parent_tid=[247], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 247 [pid 6616] set_robust_list(0x7f7a5a0f99e0, 24 [pid 5075] close(3 [pid 6616] <... set_robust_list resumed>) = 0 [pid 6615] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6614] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] <... close resumed>) = 0 [pid 5075] rmdir("./119" [pid 6614] <... futex resumed>) = 0 [pid 6616] memfd_create("syzkaller", 0 [pid 6615] <... mprotect resumed>) = 0 [pid 6614] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5075] <... rmdir resumed>) = 0 [pid 6615] 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] mkdir("./120", 0777./strace-static-x86_64: Process 6617 attached [pid 6616] <... memfd_create resumed>) = 3 [pid 6617] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6615] <... clone resumed>, parent_tid=[257], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 257 [pid 5075] <... mkdir resumed>) = 0 [pid 6617] <... set_robust_list resumed>) = 0 [pid 6616] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 194.990992][ T6609] loop0: detected capacity change from 0 to 4096 [pid 6615] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6617] memfd_create("syzkaller", 0 [pid 6615] <... futex resumed>) = 0 [pid 6617] <... memfd_create resumed>) = 3 [pid 6616] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6615] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5075] <... openat resumed>) = 3 [pid 6617] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5075] ioctl(3, LOOP_CLR_FD [pid 6617] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] close(3 [pid 6613] <... write resumed>) = 2097152 [pid 5075] <... close resumed>) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6618 attached , child_tidptr=0x5555562845d0) = 242 [pid 6618] set_robust_list(0x5555562845e0, 24) = 0 [pid 6618] chdir("./120") = 0 [pid 6618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6618] setpgid(0, 0) = 0 [pid 6616] 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 6618] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6618] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6618] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6613] munmap(0x7f7a51cd9000, 2097152 [pid 6618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6617] 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 6618] <... openat resumed>) = 3 [pid 6618] write(3, "1000", 4) = 4 [pid 6618] close(3) = 0 [pid 6618] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6618] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6613] <... munmap resumed>) = 0 [pid 6618] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6612] <... write resumed>) = 2097152 [pid 6612] munmap(0x7f7a51cd9000, 2097152 [pid 6618] <... mprotect resumed>) = 0 [pid 6613] <... openat resumed>) = 4 [pid 6618] 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 6613] ioctl(4, LOOP_SET_FD, 3 [pid 6612] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 6619 attached [pid 6612] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6612] ioctl(4, LOOP_SET_FD, 3 [pid 6619] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6618] <... clone resumed>, parent_tid=[243], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 243 [pid 6613] <... ioctl resumed>) = 0 [pid 6619] <... set_robust_list resumed>) = 0 [pid 6618] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] close(3 [pid 6619] memfd_create("syzkaller", 0 [pid 6618] <... futex resumed>) = 0 [pid 6616] <... write resumed>) = 2097152 [pid 6613] <... close resumed>) = 0 [pid 6618] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6619] <... memfd_create resumed>) = 3 [pid 6619] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 6613] mkdir("./file0", 0777) = 0 [pid 6613] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6609] <... mount resumed>) = 0 [pid 6609] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6609] chdir("./file0") = 0 [pid 6609] ioctl(4, LOOP_CLR_FD) = 0 [pid 6609] close(4) = 0 [pid 6609] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6608] <... futex resumed>) = 0 [pid 6609] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6608] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 195.159091][ T6613] loop4: detected capacity change from 0 to 4096 [ 195.160807][ T6612] loop1: detected capacity change from 0 to 4096 [pid 6608] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6616] munmap(0x7f7a51cd9000, 2097152 [pid 6617] <... write resumed>) = 2097152 [pid 6616] <... munmap resumed>) = 0 [pid 6612] <... ioctl resumed>) = 0 [pid 6612] close(3) = 0 [pid 6612] mkdir("./file0", 0777 [pid 6616] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6612] <... mkdir resumed>) = 0 [pid 6612] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6616] <... openat resumed>) = 4 [pid 6617] munmap(0x7f7a51cd9000, 2097152) = 0 [pid 6616] ioctl(4, LOOP_SET_FD, 3 [pid 6609] <... mkdirat resumed>) = 0 [pid 6609] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6608] <... futex resumed>) = 0 [pid 6609] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6608] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6608] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6609] <... symlinkat resumed>) = 0 [pid 6609] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6608] <... futex resumed>) = 0 [pid 6609] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6608] close(3) = 0 [pid 6608] close(4) = -1 EBADF (Bad file descriptor) [pid 6608] close(5) = -1 EBADF (Bad file descriptor) [pid 6617] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6608] close(6 [pid 6617] <... openat resumed>) = 4 [pid 6608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6617] ioctl(4, LOOP_SET_FD, 3 [pid 6608] close(7 [pid 6617] <... ioctl resumed>) = 0 [pid 6608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6608] close(8) = -1 EBADF (Bad file descriptor) [pid 6608] close(9) = -1 EBADF (Bad file descriptor) [pid 6619] 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 6608] close(10) = -1 EBADF (Bad file descriptor) [pid 6608] close(11) = -1 EBADF (Bad file descriptor) [pid 6608] close(12) = -1 EBADF (Bad file descriptor) [pid 6616] <... ioctl resumed>) = 0 [pid 6608] close(13) = -1 EBADF (Bad file descriptor) [pid 6608] close(14) = -1 EBADF (Bad file descriptor) [pid 6608] close(15) = -1 EBADF (Bad file descriptor) [pid 6608] close(16) = -1 EBADF (Bad file descriptor) [pid 6608] close(17) = -1 EBADF (Bad file descriptor) [pid 6608] close(18) = -1 EBADF (Bad file descriptor) [pid 6608] close(19) = -1 EBADF (Bad file descriptor) [pid 6608] close(20) = -1 EBADF (Bad file descriptor) [pid 6608] close(21) = -1 EBADF (Bad file descriptor) [pid 6608] close(22 [pid 6616] close(3 [pid 6608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6616] <... close resumed>) = 0 [pid 6613] <... mount resumed>) = 0 [pid 6608] close(23 [pid 6613] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6616] mkdir("./file0", 0777 [pid 6613] <... openat resumed>) = 3 [pid 6608] close(24 [pid 6613] chdir("./file0" [pid 6608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6617] close(3 [pid 6613] <... chdir resumed>) = 0 [pid 6608] close(25 [pid 6617] <... close resumed>) = 0 [pid 6613] ioctl(4, LOOP_CLR_FD [pid 6608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6617] mkdir("./file0", 0777 [pid 6613] <... ioctl resumed>) = 0 [pid 6608] close(26 [pid 6617] <... mkdir resumed>) = 0 [pid 6616] <... mkdir resumed>) = 0 [ 195.251467][ T6616] loop5: detected capacity change from 0 to 4096 [ 195.264227][ T6617] loop2: detected capacity change from 0 to 4096 [pid 6613] close(4 [pid 6608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6617] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6616] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6613] <... close resumed>) = 0 [pid 6608] close(27 [pid 6613] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6613] <... futex resumed>) = 1 [pid 6611] <... futex resumed>) = 0 [pid 6608] close(28 [pid 6613] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6611] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6608] close(29 [pid 6613] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6608] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6611] <... futex resumed>) = 0 [pid 6608] exit_group(0 [pid 6611] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6609] <... futex resumed>) = ? [pid 6608] <... exit_group resumed>) = ? [pid 6609] +++ exited with 0 +++ [pid 6608] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 6619] <... write resumed>) = 2097152 [pid 6613] <... mkdirat resumed>) = 0 [pid 6611] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6619] munmap(0x7f7a51cd9000, 2097152 [pid 6613] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] <... mount resumed>) = 0 [pid 6613] <... futex resumed>) = 0 [pid 6619] <... munmap resumed>) = 0 [pid 6613] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6612] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6611] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6619] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6613] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6612] <... openat resumed>) = 3 [pid 6619] <... openat resumed>) = 4 [pid 6612] chdir("./file0" [pid 6611] <... futex resumed>) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6619] ioctl(4, LOOP_SET_FD, 3 [pid 6612] <... chdir resumed>) = 0 [pid 6612] ioctl(4, LOOP_CLR_FD) = 0 [pid 6612] close(4) = 0 [pid 6611] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6612] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6612] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6610] <... futex resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 6610] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] fstat(3, [pid 6612] <... futex resumed>) = 0 [pid 6610] <... futex resumed>) = 1 [pid 6612] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6610] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5074] getdents64(3, [pid 6612] <... mkdirat resumed>) = 0 [pid 6612] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6613] <... symlinkat resumed>) = 0 [pid 6612] <... futex resumed>) = 1 [pid 5074] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6612] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6610] <... futex resumed>) = 0 [pid 6616] <... mount resumed>) = 0 [pid 6613] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6616] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6613] <... futex resumed>) = 1 [pid 6612] <... futex resumed>) = 0 [pid 6611] <... futex resumed>) = 0 [pid 6610] <... futex resumed>) = 1 [pid 5074] lstat("./119/binderfs", [pid 6616] <... openat resumed>) = 3 [pid 6613] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6612] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6611] close(3 [pid 6610] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6619] <... ioctl resumed>) = 0 [pid 6617] <... mount resumed>) = 0 [pid 6616] chdir("./file0" [pid 6612] <... symlinkat resumed>) = 0 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6617] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6612] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6617] <... openat resumed>) = 3 [pid 6612] <... futex resumed>) = 0 [pid 6617] chdir("./file0" [pid 6612] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6617] <... chdir resumed>) = 0 [pid 6611] <... close resumed>) = 0 [pid 6610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6617] ioctl(4, LOOP_CLR_FD [pid 6616] <... chdir resumed>) = 0 [pid 5074] unlink("./119/binderfs" [pid 6611] close(4 [pid 6610] close(3 [pid 6617] <... ioctl resumed>) = 0 [ 195.399315][ T6619] loop3: detected capacity change from 0 to 4096 [pid 6617] close(4 [pid 6616] ioctl(4, LOOP_CLR_FD [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] <... close resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 6619] close(3 [pid 6617] <... close resumed>) = 0 [pid 6617] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6619] <... close resumed>) = 0 [pid 6617] <... futex resumed>) = 1 [pid 6616] <... ioctl resumed>) = 0 [pid 6615] <... futex resumed>) = 0 [pid 6611] close(5 [pid 6610] close(4 [pid 5074] umount2("./119/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6619] mkdir("./file0", 0777 [pid 6617] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6616] close(4 [pid 6615] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6615] <... futex resumed>) = 0 [pid 6619] <... mkdir resumed>) = 0 [pid 6617] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6615] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6610] close(5 [pid 6616] <... close resumed>) = 0 [pid 6619] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6617] <... mkdirat resumed>) = 0 [pid 6611] close(6 [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./119/cgroup", [pid 6616] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] close(6 [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6616] <... futex resumed>) = 1 [pid 6614] <... futex resumed>) = 0 [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6617] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] unlink("./119/cgroup" [pid 6616] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6614] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] close(7 [pid 6610] close(7 [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... unlink resumed>) = 0 [pid 6614] <... futex resumed>) = 0 [pid 6614] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6611] close(8 [pid 6610] close(8 [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] umount2("./119/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6611] close(9 [pid 6610] close(9 [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6611] close(10 [pid 6610] close(10 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6617] <... futex resumed>) = 1 [pid 6615] <... futex resumed>) = 0 [pid 6611] close(11 [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] lstat("./119/cgroup.net", [pid 6617] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6616] <... mkdirat resumed>) = 0 [pid 6615] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] close(11 [pid 6617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6616] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] <... futex resumed>) = 0 [pid 6611] close(12 [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6617] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6616] <... futex resumed>) = 1 [pid 6615] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6614] <... futex resumed>) = 0 [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] close(12 [pid 5074] unlink("./119/cgroup.net" [pid 6616] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6617] <... symlinkat resumed>) = 0 [pid 6616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6614] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] close(13 [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... unlink resumed>) = 0 [pid 6617] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6616] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6614] <... futex resumed>) = 0 [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] close(13 [pid 5074] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6617] <... futex resumed>) = 1 [pid 6615] <... futex resumed>) = 0 [pid 6614] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6611] close(14 [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6617] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] close(14 [pid 6611] close(15 [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] close(15 [pid 6615] close(3 [pid 6611] close(16 [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] close(16 [pid 6611] close(17 [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6615] <... close resumed>) = 0 [pid 6611] close(18 [pid 6610] close(17 [pid 6615] close(4 [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6611] close(19 [pid 6610] close(18 [pid 6615] close(5 [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6611] close(20 [pid 6610] close(19 [pid 6615] close(6 [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6616] <... symlinkat resumed>) = 0 [pid 6615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6611] close(21 [pid 6616] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] close(20 [pid 6616] <... futex resumed>) = 1 [pid 6615] close(7 [pid 6614] <... futex resumed>) = 0 [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6616] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6614] close(3 [pid 6611] close(22 [pid 6610] close(21 [pid 6615] close(8 [pid 6614] <... close resumed>) = 0 [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6614] close(4 [pid 6611] close(23 [pid 6610] close(22 [pid 6615] close(9) = -1 EBADF (Bad file descriptor) [pid 6615] close(10) = -1 EBADF (Bad file descriptor) [pid 6615] close(11 [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6615] close(12 [pid 6614] close(5 [pid 6611] close(24 [pid 6610] close(23 [pid 6615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6615] close(13) = -1 EBADF (Bad file descriptor) [pid 6615] close(14) = -1 EBADF (Bad file descriptor) [pid 6615] close(15) = -1 EBADF (Bad file descriptor) [pid 6615] close(16) = -1 EBADF (Bad file descriptor) [pid 6615] close(17) = -1 EBADF (Bad file descriptor) [pid 6615] close(18 [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6615] close(19) = -1 EBADF (Bad file descriptor) [pid 6610] close(24 [pid 6614] close(6 [pid 6615] close(20 [pid 6611] close(25 [pid 6615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6615] close(21 [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6614] close(7 [pid 6611] close(26 [pid 6610] close(25 [pid 6615] close(22 [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6614] close(8 [pid 6611] close(27 [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6615] close(23) = -1 EBADF (Bad file descriptor) [pid 6615] close(24) = -1 EBADF (Bad file descriptor) [pid 6615] close(25 [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] close(26 [pid 6615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6615] close(26 [pid 6614] close(9 [pid 6611] close(28 [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6615] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6615] close(27) = -1 EBADF (Bad file descriptor) [pid 6615] close(28) = -1 EBADF (Bad file descriptor) [pid 6615] close(29) = -1 EBADF (Bad file descriptor) [pid 6615] exit_group(0) = ? [pid 6617] <... futex resumed>) = ? [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] close(27 [pid 6617] +++ exited with 0 +++ [pid 6615] +++ exited with 0 +++ [pid 6614] close(10 [pid 6611] close(29 [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6611] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] close(28 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=256, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6614] close(11 [pid 6611] exit_group(0 [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] restart_syscall(<... resuming interrupted clone ...> [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6613] <... futex resumed>) = ? [pid 6611] <... exit_group resumed>) = ? [pid 6610] close(29 [pid 5079] <... restart_syscall resumed>) = 0 [pid 6614] close(12 [pid 5079] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6610] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... openat resumed>) = 3 [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6610] exit_group(0 [pid 5079] fstat(3, [pid 6614] close(13 [pid 6613] +++ exited with 0 +++ [pid 6612] <... futex resumed>) = ? [pid 6611] +++ exited with 0 +++ [pid 6610] <... exit_group resumed>) = ? [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6612] +++ exited with 0 +++ [pid 5079] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./127/binderfs", [pid 6610] +++ exited with 0 +++ [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6614] close(14 [pid 5079] unlink("./127/binderfs" [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=252, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 6614] close(15 [pid 5079] umount2("./127/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5074] <... umount2 resumed>) = 0 [pid 6619] <... mount resumed>) = 0 [pid 6614] close(16 [pid 5079] lstat("./127/cgroup", [pid 6619] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... restart_syscall resumed>) = 0 [pid 5074] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6619] <... openat resumed>) = 3 [pid 6614] close(17 [pid 5079] unlink("./127/cgroup" [pid 5078] umount2("./125", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6619] chdir("./file0" [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6619] <... chdir resumed>) = 0 [pid 6614] close(18 [pid 5079] umount2("./127/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6619] ioctl(4, LOOP_CLR_FD [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... openat resumed>) = 3 [pid 5076] umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6619] <... ioctl resumed>) = 0 [pid 6614] close(19 [pid 5079] lstat("./127/cgroup.net", [pid 5078] fstat(3, [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./119/file0", [pid 6619] close(4 [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6619] <... close resumed>) = 0 [pid 6614] close(20 [pid 5079] unlink("./127/cgroup.net" [pid 5078] getdents64(3, [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6619] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] <... openat resumed>) = 3 [pid 6619] <... futex resumed>) = 1 [pid 5079] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./125/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6619] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./125/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] unlink("./125/binderfs" [pid 6618] <... futex resumed>) = 0 [pid 6614] close(21 [pid 5078] <... unlink resumed>) = 0 [pid 5076] fstat(3, [pid 5074] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6618] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./125/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6619] <... futex resumed>) = 0 [pid 6618] <... futex resumed>) = 1 [pid 6614] close(22 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] getdents64(3, [pid 5074] openat(AT_FDCWD, "./119/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6619] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6618] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./125/cgroup", [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6614] close(23 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5076] umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... openat resumed>) = 4 [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./125/cgroup" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] fstat(4, [pid 6614] close(24 [pid 5078] <... unlink resumed>) = 0 [pid 5076] lstat("./118/binderfs", [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./125/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6619] <... mkdirat resumed>) = 0 [pid 6614] close(25 [pid 5079] <... umount2 resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6619] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] lstat("./125/cgroup.net", [pid 5074] getdents64(4, [pid 6619] <... futex resumed>) = 1 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] unlink("./118/binderfs" [pid 6618] <... futex resumed>) = 0 [pid 6619] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] unlink("./125/cgroup.net" [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6618] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] close(26 [pid 5079] lstat("./127/file0", [pid 5078] <... unlink resumed>) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5078] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6619] <... futex resumed>) = 0 [pid 6618] <... futex resumed>) = 1 [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] getdents64(4, [pid 5076] umount2("./118/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6619] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6618] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6614] close(27 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] openat(AT_FDCWD, "./127/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] close(4 [pid 6619] <... symlinkat resumed>) = 0 [pid 6614] close(28 [pid 5079] <... openat resumed>) = 4 [pid 5076] lstat("./118/cgroup", [pid 5074] <... close resumed>) = 0 [pid 6619] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6619] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6618] <... futex resumed>) = 0 [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] fstat(4, [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5074] rmdir("./119/file0") = 0 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6618] close(3 [pid 6614] close(29 [pid 6618] <... close resumed>) = 0 [pid 6614] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(4, [pid 5076] unlink("./118/cgroup" [pid 5074] umount2("./119/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... unlink resumed>) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6614] exit_group(0 [pid 6618] close(4 [pid 6614] <... exit_group resumed>) = ? [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6616] <... futex resumed>) = ? [pid 5079] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6618] close(5 [pid 5079] close(4 [pid 5076] umount2("./118/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... close resumed>) = 0 [pid 6618] close(6 [pid 5079] rmdir("./127/file0" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./119/cgroup.cpu", [pid 5079] <... rmdir resumed>) = 0 [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] lstat("./118/cgroup.net", [pid 6618] close(7 [pid 5079] umount2("./127/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] unlink("./119/cgroup.cpu" [pid 6618] close(8 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] unlink("./118/cgroup.net" [pid 5074] <... unlink resumed>) = 0 [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... unlink resumed>) = 0 [pid 6618] close(9 [pid 5079] lstat("./127/cgroup.cpu", [pid 5076] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] getdents64(3, [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6618] close(10) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./127/cgroup.cpu" [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6618] close(11 [pid 5079] <... unlink resumed>) = 0 [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] close(3 [pid 6616] +++ exited with 0 +++ [pid 6618] close(12 [pid 6614] +++ exited with 0 +++ [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] getdents64(3, [pid 5074] <... close resumed>) = 0 [pid 6618] close(13 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5079] close(3 [pid 5074] rmdir("./119" [pid 6618] close(14 [pid 5079] <... close resumed>) = 0 [pid 5077] restart_syscall(<... resuming interrupted clone ...> [pid 5074] <... rmdir resumed>) = 0 [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] rmdir("./127" [pid 5074] mkdir("./120", 0777 [pid 5077] <... restart_syscall resumed>) = 0 [pid 6618] close(15) = -1 EBADF (Bad file descriptor) [pid 5079] <... rmdir resumed>) = 0 [pid 6618] close(16 [pid 5074] <... mkdir resumed>) = 0 [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] mkdir("./128", 0777 [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6618] close(17 [pid 5079] <... mkdir resumed>) = 0 [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... openat resumed>) = 3 [pid 6618] close(18 [pid 5074] ioctl(3, LOOP_CLR_FD [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6618] close(19 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5077] umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] close(3 [pid 6618] close(20 [pid 5079] <... openat resumed>) = 3 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... close resumed>) = 0 [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] ioctl(3, LOOP_CLR_FD [pid 5077] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6618] close(21 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6620 attached [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 242 [pid 5079] close(3 [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] fstat(3, [pid 5079] <... close resumed>) = 0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6618] close(22 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6621 attached [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] getdents64(3, [pid 6621] set_robust_list(0x5555562845e0, 24) = 0 [pid 6620] set_robust_list(0x5555562845e0, 24 [pid 6618] close(23 [pid 6621] chdir("./128" [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 258 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6621] <... chdir resumed>) = 0 [pid 6621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6621] setpgid(0, 0) = 0 [pid 6621] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6620] <... set_robust_list resumed>) = 0 [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] umount2("./122/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6621] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6618] close(24 [pid 6621] <... symlink resumed>) = 0 [pid 6620] chdir("./120" [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6620] <... chdir resumed>) = 0 [pid 6618] close(25 [pid 5077] lstat("./122/binderfs", [pid 6620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... prctl resumed>) = 0 [pid 6618] close(26 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6621] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6620] setpgid(0, 0 [pid 6618] close(27 [pid 5077] unlink("./122/binderfs" [pid 6621] <... symlink resumed>) = 0 [pid 6621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6620] <... setpgid resumed>) = 0 [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = 0 [pid 5077] <... unlink resumed>) = 0 [pid 6621] <... openat resumed>) = 3 [pid 6621] write(3, "1000", 4) = 4 [pid 6621] close(3) = 0 [pid 6621] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6621] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6620] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6621] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6618] close(28 [pid 5077] umount2("./122/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6621] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6620] <... symlink resumed>) = 0 [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = 0 [pid 6621] 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 6622 attached [pid 6620] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6618] close(29 [pid 5077] lstat("./122/cgroup", [pid 6622] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6621] <... clone resumed>, parent_tid=[259], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 259 [pid 6618] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6622] <... set_robust_list resumed>) = 0 [pid 6621] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6622] memfd_create("syzkaller", 0 [pid 6621] <... futex resumed>) = 0 [pid 6620] <... symlink resumed>) = 0 [pid 6618] exit_group(0 [pid 5077] unlink("./122/cgroup" [pid 5076] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6622] <... memfd_create resumed>) = 3 [pid 6621] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6620] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6619] <... futex resumed>) = ? [pid 6618] <... exit_group resumed>) = ? [pid 6622] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6619] +++ exited with 0 +++ [pid 5077] <... unlink resumed>) = 0 [pid 6622] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6620] <... symlink resumed>) = 0 [pid 5078] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6618] +++ exited with 0 +++ [pid 5077] umount2("./122/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6620] <... openat resumed>) = 3 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./118/file0", [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=3 /* 0.03 s */} --- [pid 6620] write(3, "1000", 4 [pid 5078] lstat("./125/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./125/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 5078] close(4) = 0 [pid 5078] rmdir("./125/file0") = 0 [pid 5078] umount2("./125/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./125/cgroup.cpu", [pid 6620] <... write resumed>) = 4 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] lstat("./122/cgroup.net", [pid 5076] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] unlink("./125/cgroup.cpu" [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5077] unlink("./122/cgroup.net" [pid 6620] close(3 [pid 5078] getdents64(3, [pid 5077] <... unlink resumed>) = 0 [pid 5076] umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6620] <... close resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6620] symlink("/dev/binderfs", "./binderfs" [pid 5078] close(3) = 0 [pid 5076] openat(AT_FDCWD, "./118/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] rmdir("./125" [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6620] <... symlink resumed>) = 0 [pid 5078] <... rmdir resumed>) = 0 [pid 5076] <... openat resumed>) = 4 [pid 5075] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] mkdir("./126", 0777 [pid 5075] <... openat resumed>) = 3 [pid 6620] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... mkdir resumed>) = 0 [pid 5076] fstat(4, [pid 5075] fstat(3, [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5075] getdents64(3, [pid 5078] ioctl(3, LOOP_CLR_FD [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] close(3 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... close resumed>) = 0 [pid 5075] lstat("./120/binderfs", [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 6623 attached [pid 6620] <... futex resumed>) = 0 [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] unlink("./120/binderfs" [pid 6623] set_robust_list(0x5555562845e0, 24 [pid 6620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 254 [pid 5076] getdents64(4, [pid 5075] <... unlink resumed>) = 0 [pid 6623] <... set_robust_list resumed>) = 0 [pid 5075] umount2("./120/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6623] chdir("./126" [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6623] <... chdir resumed>) = 0 [pid 5075] lstat("./120/cgroup", [pid 6623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6623] <... prctl resumed>) = 0 [pid 5075] unlink("./120/cgroup" [pid 6623] setpgid(0, 0 [pid 6622] 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 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] <... unlink resumed>) = 0 [pid 6623] <... setpgid resumed>) = 0 [pid 6620] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5076] getdents64(4, [pid 5075] umount2("./120/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6623] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6620] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6623] <... symlink resumed>) = 0 [pid 6620] <... mprotect resumed>) = 0 [pid 5075] lstat("./120/cgroup.net", [pid 6623] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6620] 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 5076] close(4 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6623] <... symlink resumed>) = 0 [pid 5075] unlink("./120/cgroup.net"./strace-static-x86_64: Process 6624 attached [pid 6623] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5076] <... close resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6624] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6623] <... symlink resumed>) = 0 [pid 6620] <... clone resumed>, parent_tid=[243], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 243 [pid 5076] rmdir("./118/file0" [pid 5075] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6624] <... set_robust_list resumed>) = 0 [pid 6623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6620] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] <... openat resumed>) = 3 [pid 5076] <... rmdir resumed>) = 0 [pid 6623] write(3, "1000", 4) = 4 [pid 6620] <... futex resumed>) = 0 [pid 5076] umount2("./118/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6623] close(3 [pid 6620] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6624] memfd_create("syzkaller", 0 [pid 6623] <... close resumed>) = 0 [pid 5077] <... umount2 resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6624] <... memfd_create resumed>) = 3 [pid 6623] symlink("/dev/binderfs", "./binderfs" [pid 5076] lstat("./118/cgroup.cpu", [pid 6623] <... symlink resumed>) = 0 [pid 6624] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6623] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6624] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6623] <... futex resumed>) = 0 [pid 5076] unlink("./118/cgroup.cpu" [pid 6623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6623] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6623] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5077] lstat("./122/file0", [pid 5076] <... unlink resumed>) = 0 [pid 6623] <... mprotect resumed>) = 0 [pid 5076] getdents64(3, [pid 6623] 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_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6625 attached [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6625] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6623] <... clone resumed>, parent_tid=[255], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 255 [pid 5077] umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] close(3 [pid 6625] <... set_robust_list resumed>) = 0 [pid 6623] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6625] memfd_create("syzkaller", 0 [pid 6623] <... futex resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./122/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... close resumed>) = 0 [pid 6625] <... memfd_create resumed>) = 3 [pid 6623] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5077] <... openat resumed>) = 4 [pid 5076] rmdir("./118" [pid 6625] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5077] fstat(4, [pid 6625] <... mmap resumed>) = 0x7f7a51cd9000 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... rmdir resumed>) = 0 [pid 6622] <... write resumed>) = 2097152 [pid 5077] getdents64(4, [pid 5076] mkdir("./119", 0777 [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("./122/file0") = 0 [pid 5077] umount2("./122/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./122/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] <... mkdir resumed>) = 0 [pid 5077] unlink("./122/cgroup.cpu") = 0 [pid 5077] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5077] close(3) = 0 [pid 5077] rmdir("./122") = 0 [pid 5076] <... openat resumed>) = 3 [pid 6622] munmap(0x7f7a51cd9000, 2097152 [pid 5077] mkdir("./123", 0777 [pid 5076] ioctl(3, LOOP_CLR_FD [pid 6622] <... munmap resumed>) = 0 [pid 5077] <... mkdir resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 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 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 6626 attached [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 248 [pid 5076] close(3 [pid 6622] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6622] ioctl(4, LOOP_SET_FD, 3 [pid 6626] set_robust_list(0x5555562845e0, 24 [pid 5076] <... close resumed>) = 0 [pid 6626] <... set_robust_list resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6627 attached [pid 6627] set_robust_list(0x5555562845e0, 24 [pid 6626] chdir("./123" [pid 6627] <... set_robust_list resumed>) = 0 [pid 6627] chdir("./119" [pid 6626] <... chdir resumed>) = 0 [pid 6627] <... chdir resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 240 [pid 6627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6627] setpgid(0, 0) = 0 [pid 6627] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6627] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6626] <... prctl resumed>) = 0 [pid 6627] <... symlink resumed>) = 0 [pid 6627] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6626] setpgid(0, 0 [pid 6625] 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 6624] 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 6627] <... symlink resumed>) = 0 [pid 6626] <... setpgid resumed>) = 0 [pid 5075] <... umount2 resumed>) = 0 [pid 6627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6627] write(3, "1000", 4) = 4 [pid 6627] close(3) = 0 [pid 6627] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6627] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6627] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6627] 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 6628 attached [pid 6628] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6627] <... clone resumed>, parent_tid=[241], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 241 [pid 6628] <... set_robust_list resumed>) = 0 [pid 6627] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] memfd_create("syzkaller", 0) = 3 [pid 6627] <... futex resumed>) = 0 [pid 6628] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6627] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5075] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6628] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6626] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6622] <... ioctl resumed>) = 0 [pid 5075] lstat("./120/file0", [pid 6622] close(3 [pid 6626] <... symlink resumed>) = 0 [pid 6622] <... close resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6626] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6622] mkdir("./file0", 0777 [pid 6626] <... symlink resumed>) = 0 [pid 6622] <... mkdir resumed>) = 0 [pid 5075] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6622] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6626] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5075] openat(AT_FDCWD, "./120/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5075] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6626] <... symlink resumed>) = 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 6626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] rmdir("./120/file0" [pid 6626] <... openat resumed>) = 3 [pid 5075] <... rmdir resumed>) = 0 [pid 6626] write(3, "1000", 4 [pid 5075] umount2("./120/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6626] <... write resumed>) = 4 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6626] close(3 [pid 5075] lstat("./120/cgroup.cpu", [pid 6626] <... close resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6626] symlink("/dev/binderfs", "./binderfs" [pid 5075] unlink("./120/cgroup.cpu" [pid 6626] <... symlink resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6626] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5075] getdents64(3, [pid 6626] <... futex resumed>) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5075] close(3 [pid 6626] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5075] <... close resumed>) = 0 [pid 6626] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [ 196.000886][ T6622] loop2: detected capacity change from 0 to 4096 [pid 5075] rmdir("./120" [pid 6626] <... mprotect resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 5075] mkdir("./121", 0777) = 0 [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 6629 attached [pid 6626] 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 6630 attached [pid 6629] set_robust_list(0x5555562845e0, 24 [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 244 [pid 6630] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6629] <... set_robust_list resumed>) = 0 [pid 6626] <... clone resumed>, parent_tid=[249], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 249 [pid 6630] <... set_robust_list resumed>) = 0 [pid 6629] chdir("./121" [pid 6626] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] <... chdir resumed>) = 0 [pid 6630] memfd_create("syzkaller", 0 [pid 6629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6626] <... futex resumed>) = 0 [pid 6630] <... memfd_create resumed>) = 3 [pid 6629] <... prctl resumed>) = 0 [pid 6626] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6630] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6629] setpgid(0, 0 [pid 6630] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6629] <... setpgid resumed>) = 0 [pid 6629] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6629] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6629] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6629] write(3, "1000", 4) = 4 [pid 6629] close(3) = 0 [pid 6629] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6629] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6629] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6628] 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 6629] <... mprotect resumed>) = 0 [pid 6629] 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 6631 attached [pid 6631] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6629] <... clone resumed>, parent_tid=[245], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 245 [pid 6631] <... set_robust_list resumed>) = 0 [pid 6629] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6631] memfd_create("syzkaller", 0 [pid 6629] <... futex resumed>) = 0 [pid 6631] <... memfd_create resumed>) = 3 [pid 6629] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6625] <... write resumed>) = 2097152 [pid 6624] <... write resumed>) = 2097152 [pid 6631] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6630] 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 6625] munmap(0x7f7a51cd9000, 2097152 [pid 6624] munmap(0x7f7a51cd9000, 2097152 [pid 6622] <... mount resumed>) = 0 [pid 6631] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6625] <... munmap resumed>) = 0 [pid 6624] <... munmap resumed>) = 0 [pid 6622] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6625] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6624] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6622] chdir("./file0") = 0 [pid 6622] ioctl(4, LOOP_CLR_FD) = 0 [pid 6622] close(4 [pid 6625] <... openat resumed>) = 4 [pid 6624] <... openat resumed>) = 4 [pid 6622] <... close resumed>) = 0 [pid 6622] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6621] <... futex resumed>) = 0 [pid 6622] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6621] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6621] <... futex resumed>) = 0 [pid 6622] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6621] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6624] ioctl(4, LOOP_SET_FD, 3 [pid 6625] ioctl(4, LOOP_SET_FD, 3 [pid 6622] <... mkdirat resumed>) = 0 [pid 6631] 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 6622] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6621] <... futex resumed>) = 0 [pid 6622] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6621] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6621] <... futex resumed>) = 0 [pid 6622] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6621] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6625] <... ioctl resumed>) = 0 [pid 6631] <... write resumed>) = 2097152 [pid 6630] <... write resumed>) = 2097152 [pid 6628] <... write resumed>) = 2097152 [pid 6625] close(3 [pid 6624] <... ioctl resumed>) = 0 [pid 6622] <... symlinkat resumed>) = 0 [pid 6631] munmap(0x7f7a51cd9000, 2097152 [pid 6630] munmap(0x7f7a51cd9000, 2097152 [pid 6628] munmap(0x7f7a51cd9000, 2097152 [pid 6625] <... close resumed>) = 0 [pid 6624] close(3 [pid 6622] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6631] <... munmap resumed>) = 0 [pid 6630] <... munmap resumed>) = 0 [pid 6622] <... futex resumed>) = 1 [pid 6621] <... futex resumed>) = 0 [pid 6625] mkdir("./file0", 0777 [pid 6622] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6624] <... close resumed>) = 0 [pid 6621] close(3) = 0 [pid 6621] close(4) = -1 EBADF (Bad file descriptor) [pid 6621] close(5) = -1 EBADF (Bad file descriptor) [pid 6621] close(6) = -1 EBADF (Bad file descriptor) [pid 6625] <... mkdir resumed>) = 0 [pid 6624] mkdir("./file0", 0777 [pid 6621] close(7) = -1 EBADF (Bad file descriptor) [pid 6631] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6630] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6628] <... munmap resumed>) = 0 [ 196.185473][ T6624] loop0: detected capacity change from 0 to 4096 [ 196.192226][ T6625] loop1: detected capacity change from 0 to 4096 [pid 6625] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6624] <... mkdir resumed>) = 0 [pid 6621] close(8 [pid 6631] <... openat resumed>) = 4 [pid 6630] <... openat resumed>) = 4 [pid 6628] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6624] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6621] close(9) = -1 EBADF (Bad file descriptor) [pid 6621] close(10 [pid 6630] ioctl(4, LOOP_SET_FD, 3 [pid 6621] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6628] <... openat resumed>) = 4 [pid 6621] close(11) = -1 EBADF (Bad file descriptor) [pid 6621] close(12) = -1 EBADF (Bad file descriptor) [pid 6621] close(13) = -1 EBADF (Bad file descriptor) [pid 6621] close(14) = -1 EBADF (Bad file descriptor) [pid 6621] close(15) = -1 EBADF (Bad file descriptor) [pid 6621] close(16) = -1 EBADF (Bad file descriptor) [pid 6621] close(17) = -1 EBADF (Bad file descriptor) [pid 6621] close(18) = -1 EBADF (Bad file descriptor) [pid 6621] close(19) = -1 EBADF (Bad file descriptor) [pid 6621] close(20) = -1 EBADF (Bad file descriptor) [pid 6621] close(21) = -1 EBADF (Bad file descriptor) [pid 6621] close(22) = -1 EBADF (Bad file descriptor) [pid 6621] close(23) = -1 EBADF (Bad file descriptor) [pid 6621] close(24) = -1 EBADF (Bad file descriptor) [pid 6621] close(25) = -1 EBADF (Bad file descriptor) [pid 6621] close(26) = -1 EBADF (Bad file descriptor) [pid 6621] close(27) = -1 EBADF (Bad file descriptor) [pid 6621] close(28) = -1 EBADF (Bad file descriptor) [pid 6621] close(29) = -1 EBADF (Bad file descriptor) [pid 6621] exit_group(0 [pid 6622] <... futex resumed>) = ? [pid 6621] <... exit_group resumed>) = ? [pid 6631] ioctl(4, LOOP_SET_FD, 3 [pid 6630] <... ioctl resumed>) = 0 [pid 6628] ioctl(4, LOOP_SET_FD, 3 [pid 6622] +++ exited with 0 +++ [pid 6621] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=258, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- [pid 5079] umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5079] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./128/binderfs") = 0 [pid 5079] umount2("./128/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./128/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5079] unlink("./128/cgroup") = 0 [pid 5079] umount2("./128/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./128/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./128/cgroup.net") = 0 [pid 5079] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6631] <... ioctl resumed>) = 0 [pid 6630] close(3 [pid 6628] <... ioctl resumed>) = 0 [pid 6631] close(3 [pid 6630] <... close resumed>) = 0 [pid 6628] close(3 [pid 6631] <... close resumed>) = 0 [pid 6630] mkdir("./file0", 0777 [pid 6631] mkdir("./file0", 0777 [pid 6630] <... mkdir resumed>) = 0 [pid 6628] <... close resumed>) = 0 [pid 6630] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6628] mkdir("./file0", 0777 [pid 6631] <... mkdir resumed>) = 0 [pid 6628] <... mkdir resumed>) = 0 [pid 6628] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6631] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5079] <... umount2 resumed>) = 0 [pid 5079] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./128/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./128/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [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("./128/file0") = 0 [pid 5079] umount2("./128/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 196.251186][ T6630] loop5: detected capacity change from 0 to 4096 [ 196.263878][ T6631] loop3: detected capacity change from 0 to 4096 [ 196.270772][ T6628] loop4: detected capacity change from 0 to 4096 [pid 5079] lstat("./128/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./128/cgroup.cpu" [pid 6625] <... mount resumed>) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 6625] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] getdents64(3, [pid 6625] <... openat resumed>) = 3 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6625] chdir("./file0" [pid 5079] close(3 [pid 6625] <... chdir resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 6625] ioctl(4, LOOP_CLR_FD [pid 5079] rmdir("./128" [pid 6625] <... ioctl resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 6625] close(4 [pid 5079] mkdir("./129", 0777 [pid 6625] <... close resumed>) = 0 [pid 5079] <... mkdir resumed>) = 0 [pid 6625] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6625] <... futex resumed>) = 1 [pid 6623] <... futex resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 6625] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6623] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] ioctl(3, LOOP_CLR_FD [pid 6625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6623] <... futex resumed>) = 0 [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6625] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6623] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] close(3) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6632 attached [pid 6632] set_robust_list(0x5555562845e0, 24 [pid 6624] <... mount resumed>) = 0 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 260 [pid 6632] <... set_robust_list resumed>) = 0 [pid 6632] chdir("./129" [pid 6624] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6632] <... chdir resumed>) = 0 [pid 6632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6624] <... openat resumed>) = 3 [pid 6632] <... prctl resumed>) = 0 [pid 6624] chdir("./file0" [pid 6632] setpgid(0, 0 [pid 6624] <... chdir resumed>) = 0 [pid 6632] <... setpgid resumed>) = 0 [pid 6624] ioctl(4, LOOP_CLR_FD [pid 6632] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6624] <... ioctl resumed>) = 0 [pid 6625] <... mkdirat resumed>) = 0 [pid 6632] <... symlink resumed>) = 0 [pid 6625] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] close(4 [pid 6632] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6625] <... futex resumed>) = 1 [pid 6623] <... futex resumed>) = 0 [pid 6632] <... symlink resumed>) = 0 [pid 6625] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6624] <... close resumed>) = 0 [pid 6623] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6632] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6625] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6624] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] <... futex resumed>) = 0 [pid 6632] <... symlink resumed>) = 0 [pid 6625] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6624] <... futex resumed>) = 1 [pid 6623] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6620] <... futex resumed>) = 0 [pid 6632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6625] <... symlinkat resumed>) = 0 [pid 6624] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6620] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6632] <... openat resumed>) = 3 [pid 6625] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6620] <... futex resumed>) = 0 [pid 6632] write(3, "1000", 4 [pid 6630] <... mount resumed>) = 0 [pid 6625] <... futex resumed>) = 1 [pid 6624] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6623] <... futex resumed>) = 0 [pid 6620] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6632] <... write resumed>) = 4 [pid 6625] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6623] close(3 [pid 6632] close(3 [pid 6623] <... close resumed>) = 0 [pid 6632] <... close resumed>) = 0 [pid 6623] close(4 [pid 6632] symlink("/dev/binderfs", "./binderfs" [pid 6624] <... mkdirat resumed>) = 0 [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6632] <... symlink resumed>) = 0 [pid 6630] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6628] <... mount resumed>) = 0 [pid 6624] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] close(5 [pid 6632] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6630] <... openat resumed>) = 3 [pid 6628] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6624] <... futex resumed>) = 1 [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... futex resumed>) = 0 [pid 6632] <... futex resumed>) = 0 [pid 6630] chdir("./file0" [pid 6628] <... openat resumed>) = 3 [pid 6624] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6623] close(6 [pid 6620] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6630] <... chdir resumed>) = 0 [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... futex resumed>) = 0 [pid 6632] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6630] ioctl(4, LOOP_CLR_FD [pid 6628] chdir("./file0" [pid 6624] <... symlinkat resumed>) = 0 [pid 6623] close(7 [pid 6620] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6632] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6630] <... ioctl resumed>) = 0 [pid 6628] <... chdir resumed>) = 0 [pid 6624] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6632] <... mprotect resumed>) = 0 [pid 6630] close(4 [pid 6628] ioctl(4, LOOP_CLR_FD [pid 6624] <... futex resumed>) = 0 [pid 6623] close(8 [pid 6620] close(3 [pid 6632] 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 6630] <... close resumed>) = 0 [pid 6628] <... ioctl resumed>) = 0 [pid 6624] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = 0 ./strace-static-x86_64: Process 6633 attached [pid 6630] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] close(4 [pid 6623] close(9 [pid 6620] close(4 [pid 6633] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6632] <... clone resumed>, parent_tid=[261], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 261 [pid 6631] <... mount resumed>) = 0 [pid 6630] <... futex resumed>) = 1 [pid 6628] <... close resumed>) = 0 [pid 6626] <... futex resumed>) = 0 [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6633] <... set_robust_list resumed>) = 0 [pid 6632] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6631] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6626] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] close(10 [pid 6630] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6628] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6620] close(5 [pid 6633] memfd_create("syzkaller", 0 [pid 6632] <... futex resumed>) = 0 [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6633] <... memfd_create resumed>) = 3 [pid 6632] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6623] close(11 [pid 6633] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6631] <... openat resumed>) = 3 [pid 6628] <... futex resumed>) = 1 [pid 6627] <... futex resumed>) = 0 [pid 6626] <... futex resumed>) = 0 [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6633] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6627] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] close(12 [pid 6631] chdir("./file0" [pid 6630] <... mkdirat resumed>) = 0 [pid 6628] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6627] <... futex resumed>) = 0 [pid 6626] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] close(6 [pid 6631] <... chdir resumed>) = 0 [pid 6627] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6623] close(13) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6623] close(14 [pid 6620] close(7 [pid 6631] ioctl(4, LOOP_CLR_FD [pid 6630] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6631] <... ioctl resumed>) = 0 [pid 6630] <... futex resumed>) = 1 [pid 6626] <... futex resumed>) = 0 [pid 6623] close(15 [pid 6620] close(8 [pid 6631] close(4 [pid 6630] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6626] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6631] <... close resumed>) = 0 [pid 6626] <... futex resumed>) = 0 [pid 6623] close(16 [pid 6620] close(9 [pid 6631] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6631] <... futex resumed>) = 1 [pid 6629] <... futex resumed>) = 0 [pid 6628] <... mkdirat resumed>) = 0 [pid 6623] close(17 [pid 6620] close(10 [pid 6631] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6629] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6629] <... futex resumed>) = 0 [pid 6628] <... futex resumed>) = 1 [pid 6627] <... futex resumed>) = 0 [pid 6623] close(18 [pid 6620] close(11 [pid 6630] <... symlinkat resumed>) = 0 [pid 6629] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6628] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6627] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6630] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6627] <... futex resumed>) = 0 [pid 6623] close(19 [pid 6620] close(12 [pid 6633] 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 6631] <... mkdirat resumed>) = 0 [pid 6630] <... futex resumed>) = 1 [pid 6628] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6627] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6626] <... futex resumed>) = 0 [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6631] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6630] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6628] <... symlinkat resumed>) = 0 [pid 6626] close(3 [pid 6623] close(20 [pid 6620] close(13 [pid 6631] <... futex resumed>) = 1 [pid 6629] <... futex resumed>) = 0 [pid 6628] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] <... close resumed>) = 0 [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6631] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6629] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] <... futex resumed>) = 1 [pid 6627] <... futex resumed>) = 0 [pid 6626] close(4 [pid 6623] close(21 [pid 6620] close(14 [pid 6631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6629] <... futex resumed>) = 0 [pid 6628] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6627] close(3 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6631] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6629] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6627] <... close resumed>) = 0 [pid 6626] close(5 [pid 6623] close(22 [pid 6620] close(15 [pid 6631] <... symlinkat resumed>) = 0 [pid 6627] close(4 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6631] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] close(6 [pid 6623] close(23 [pid 6620] close(16 [pid 6631] <... futex resumed>) = 1 [pid 6629] <... futex resumed>) = 0 [pid 6627] close(5 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6631] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6629] close(3 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] close(7 [pid 6623] close(24 [pid 6620] close(17 [pid 6629] <... close resumed>) = 0 [pid 6627] close(6 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6629] close(4 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] close(8 [pid 6623] close(25 [pid 6620] close(18 [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(7 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6629] close(5 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] close(9 [pid 6623] close(26 [pid 6620] close(19 [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(8 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6629] close(6 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] close(10 [pid 6623] close(27 [pid 6620] close(20 [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(9 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6629] close(7 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] close(11 [pid 6623] close(28 [pid 6620] close(21 [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(10 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6629] close(8 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] close(12 [pid 6623] close(29 [pid 6620] close(22 [pid 6633] <... write resumed>) = 2097152 [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(11 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6623] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6629] close(9 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] close(13 [pid 6623] exit_group(0 [pid 6620] close(23 [pid 6633] munmap(0x7f7a51cd9000, 2097152 [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(12 [pid 6625] <... futex resumed>) = ? [pid 6623] <... exit_group resumed>) = ? [pid 6633] <... munmap resumed>) = 0 [pid 6629] close(10 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6625] +++ exited with 0 +++ [pid 6623] +++ exited with 0 +++ [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(13 [pid 6626] close(14 [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6633] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6629] close(11 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] close(24 [pid 6633] <... openat resumed>) = 4 [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(14 [pid 6626] close(15 [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6633] ioctl(4, LOOP_SET_FD, 3 [pid 6629] close(12 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(15 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] close(25 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6629] close(13 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(16 [pid 5078] <... openat resumed>) = 3 [pid 6629] close(14 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] fstat(3, [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(17 [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6629] close(15 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] close(16 [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(3, [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(18 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] close(26 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6629] close(16 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] close(17 [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(19 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] close(27 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6629] close(17 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] close(18 [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./126/binderfs", [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(20 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] close(28 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6629] close(18 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] close(19 [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./126/binderfs" [pid 6633] <... ioctl resumed>) = 0 [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(21 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] close(29 [pid 5078] <... unlink resumed>) = 0 [pid 6633] close(3 [pid 6629] close(19 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] close(20 [pid 6620] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./126/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6633] <... close resumed>) = 0 [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(22 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6620] exit_group(0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6633] mkdir("./file0", 0777 [pid 6629] close(20 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] close(21 [pid 6624] <... futex resumed>) = ? [pid 6620] <... exit_group resumed>) = ? [pid 5078] lstat("./126/cgroup", [pid 6633] <... mkdir resumed>) = 0 [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(23 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6633] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6629] close(21 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] unlink("./126/cgroup" [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(24 [pid 6626] close(22 [pid 6624] +++ exited with 0 +++ [pid 6620] +++ exited with 0 +++ [pid 5078] <... unlink resumed>) = 0 [pid 6629] close(22 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./126/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(25 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6629] close(23 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] close(23 [pid 5078] lstat("./126/cgroup.net", [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(26 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5074] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6629] close(24 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] close(24 [pid 5078] unlink("./126/cgroup.net" [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(27 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 6626] close(25 [pid 5078] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6629] close(25 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(28 [pid 6626] close(26 [pid 5074] <... openat resumed>) = 3 [pid 6629] close(26 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] fstat(3, [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] close(29 [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6629] close(27 [pid 6627] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 196.611158][ T6633] loop2: detected capacity change from 0 to 4096 [pid 5074] getdents64(3, [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6627] exit_group(0 [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6629] close(28 [pid 6628] <... futex resumed>) = ? [pid 6627] <... exit_group resumed>) = ? [pid 6626] close(27 [pid 5074] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6628] +++ exited with 0 +++ [pid 6627] +++ exited with 0 +++ [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6629] close(29 [pid 6626] close(28 [pid 5074] lstat("./120/binderfs", [pid 6629] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=240, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6629] exit_group(0 [pid 6626] close(29 [pid 5076] restart_syscall(<... resuming interrupted clone ...> [pid 5074] unlink("./120/binderfs" [pid 6631] <... futex resumed>) = ? [pid 6629] <... exit_group resumed>) = ? [pid 6626] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... restart_syscall resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 6631] +++ exited with 0 +++ [pid 6629] +++ exited with 0 +++ [pid 6626] exit_group(0 [pid 5074] umount2("./120/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6630] <... futex resumed>) = ? [pid 6626] <... exit_group resumed>) = ? [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=244, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] lstat("./120/cgroup", [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6630] +++ exited with 0 +++ [pid 6626] +++ exited with 0 +++ [pid 5076] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] unlink("./120/cgroup" [pid 6633] <... mount resumed>) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5074] <... unlink resumed>) = 0 [pid 6633] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=248, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5076] fstat(3, [pid 5074] umount2("./120/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6633] <... openat resumed>) = 3 [pid 5077] umount2("./123", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6633] chdir("./file0" [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] getdents64(3, [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./120/cgroup.net", [pid 6633] <... chdir resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6633] ioctl(4, LOOP_CLR_FD [pid 5077] <... openat resumed>) = 3 [pid 5076] umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... openat resumed>) = 3 [pid 5074] unlink("./120/cgroup.net" [pid 6633] <... ioctl resumed>) = 0 [pid 5077] fstat(3, [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] fstat(3, [pid 5074] <... unlink resumed>) = 0 [pid 6633] close(4 [pid 5078] <... umount2 resumed>) = 0 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] lstat("./119/binderfs", [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./126/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] openat(AT_FDCWD, "./126/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 5078] close(4) = 0 [pid 5078] rmdir("./126/file0") = 0 [pid 5078] umount2("./126/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./126/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5078] unlink("./126/cgroup.cpu" [pid 5077] getdents64(3, [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5075] getdents64(3, [pid 5078] <... unlink resumed>) = 0 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5075] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6633] <... close resumed>) = 0 [pid 5077] umount2("./123/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] unlink("./119/binderfs" [pid 5075] umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6633] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6633] <... futex resumed>) = 1 [pid 6632] <... futex resumed>) = 0 [pid 5078] getdents64(3, [pid 5077] lstat("./123/binderfs", [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6633] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6632] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] umount2("./119/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] lstat("./121/binderfs", [pid 6633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6632] <... futex resumed>) = 0 [pid 5078] close(3 [pid 5077] unlink("./123/binderfs" [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6633] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6632] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] <... close resumed>) = 0 [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5078] rmdir("./126" [pid 5077] <... unlink resumed>) = 0 [pid 5076] lstat("./119/cgroup", [pid 5078] <... rmdir resumed>) = 0 [pid 5075] unlink("./121/binderfs" [pid 5078] mkdir("./127", 0777) = 0 [pid 5077] umount2("./123/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] unlink("./119/cgroup" [pid 5075] umount2("./121/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5078] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5077] lstat("./123/cgroup", [pid 5078] close(3 [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] <... close resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6634 attached [pid 6634] set_robust_list(0x5555562845e0, 24 [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 256 [pid 5077] unlink("./123/cgroup" [pid 5076] umount2("./119/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] lstat("./121/cgroup", [pid 6634] <... set_robust_list resumed>) = 0 [pid 6633] <... mkdirat resumed>) = 0 [pid 6634] chdir("./127" [pid 6633] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6634] <... chdir resumed>) = 0 [pid 6633] <... futex resumed>) = 1 [pid 6632] <... futex resumed>) = 0 [pid 5077] umount2("./123/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] lstat("./119/cgroup.net", [pid 5075] unlink("./121/cgroup" [pid 6634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6633] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6632] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6634] <... prctl resumed>) = 0 [pid 6632] <... futex resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 6634] setpgid(0, 0 [pid 6632] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] lstat("./123/cgroup.net", [pid 5076] unlink("./119/cgroup.net" [pid 6634] <... setpgid resumed>) = 0 [pid 6633] <... symlinkat resumed>) = 0 [pid 5077] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5075] umount2("./121/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6634] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6633] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] unlink("./123/cgroup.net" [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6634] <... symlink resumed>) = 0 [pid 6634] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5077] <... unlink resumed>) = 0 [pid 6632] <... futex resumed>) = 0 [pid 6633] <... futex resumed>) = 1 [pid 5076] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] lstat("./121/cgroup.net", [pid 6634] <... symlink resumed>) = 0 [pid 6633] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6632] close(3 [pid 5077] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6634] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5075] unlink("./121/cgroup.net" [pid 6634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6634] write(3, "1000", 4 [pid 5075] <... unlink resumed>) = 0 [pid 6634] <... write resumed>) = 4 [pid 6634] close(3 [pid 6632] <... close resumed>) = 0 [pid 5075] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6634] <... close resumed>) = 0 [pid 6632] close(4 [pid 6634] symlink("/dev/binderfs", "./binderfs" [pid 6632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6634] <... symlink resumed>) = 0 [pid 6632] close(5 [pid 6634] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6634] <... futex resumed>) = 0 [pid 6632] close(6 [pid 6634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6634] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6632] close(7 [pid 6634] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6634] <... mprotect resumed>) = 0 [pid 6632] close(8 [pid 6634] 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 6632] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6635 attached [pid 6632] close(9 [pid 6635] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6634] <... clone resumed>, parent_tid=[257], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 257 [pid 6632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6635] <... set_robust_list resumed>) = 0 [pid 6634] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6632] close(10 [pid 6635] memfd_create("syzkaller", 0 [pid 6634] <... futex resumed>) = 0 [pid 6632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6635] <... memfd_create resumed>) = 3 [pid 6634] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6632] close(11 [pid 6635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6635] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6632] close(12) = -1 EBADF (Bad file descriptor) [pid 6632] close(13) = -1 EBADF (Bad file descriptor) [pid 6632] close(14) = -1 EBADF (Bad file descriptor) [pid 6632] close(15) = -1 EBADF (Bad file descriptor) [pid 6632] close(16) = -1 EBADF (Bad file descriptor) [pid 6632] close(17) = -1 EBADF (Bad file descriptor) [pid 6632] close(18) = -1 EBADF (Bad file descriptor) [pid 6632] close(19 [pid 5074] <... umount2 resumed>) = 0 [pid 6632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6632] close(20) = -1 EBADF (Bad file descriptor) [pid 6632] close(21) = -1 EBADF (Bad file descriptor) [pid 6632] close(22 [pid 5075] <... umount2 resumed>) = 0 [pid 6632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6632] close(23) = -1 EBADF (Bad file descriptor) [pid 6632] close(24) = -1 EBADF (Bad file descriptor) [pid 6632] close(25) = -1 EBADF (Bad file descriptor) [pid 6632] close(26) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = 0 [pid 6632] close(27) = -1 EBADF (Bad file descriptor) [pid 6632] close(28) = -1 EBADF (Bad file descriptor) [pid 6632] close(29) = -1 EBADF (Bad file descriptor) [pid 6632] exit_group(0) = ? [pid 6633] <... futex resumed>) = ? [pid 6633] +++ exited with 0 +++ [pid 6632] +++ exited with 0 +++ [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=260, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5079] umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5079] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] getdents64(3, 0x555556285620 /* 7 entries */, 32768) = 208 [pid 5079] umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5079] unlink("./129/binderfs") = 0 [pid 5077] <... umount2 resumed>) = 0 [pid 5074] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] umount2("./129/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6635] 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] lstat("./129/cgroup", [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] lstat("./120/file0", [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] lstat("./123/file0", [pid 5079] unlink("./129/cgroup" [pid 5076] lstat("./119/file0", [pid 5075] lstat("./121/file0", [pid 5074] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... unlink resumed>) = 0 [pid 5077] <... 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 5079] umount2("./129/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./129/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5079] unlink("./129/cgroup.net" [pid 5076] umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... unlink resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./123/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] openat(AT_FDCWD, "./120/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... openat resumed>) = 4 [pid 5076] openat(AT_FDCWD, "./119/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] openat(AT_FDCWD, "./121/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] fstat(4, [pid 5074] <... openat resumed>) = 4 [pid 5076] <... openat resumed>) = 4 [pid 5077] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] fstat(4, [pid 5075] <... openat resumed>) = 4 [pid 5074] fstat(4, [pid 5077] getdents64(4, [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] fstat(4, [pid 5074] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5075] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] getdents64(4, [pid 5074] getdents64(4, [pid 5077] getdents64(4, [pid 5075] getdents64(4, [pid 5076] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5077] close(4 [pid 5076] getdents64(4, [pid 5075] getdents64(4, [pid 5074] getdents64(4, [pid 5077] <... close resumed>) = 0 [pid 5076] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5075] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5074] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5077] rmdir("./123/file0" [pid 5076] close(4 [pid 5075] close(4 [pid 5074] close(4 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5077] umount2("./123/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] rmdir("./119/file0" [pid 5075] rmdir("./121/file0" [pid 5074] rmdir("./120/file0" [pid 5077] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5077] lstat("./123/cgroup.cpu", [pid 5076] umount2("./119/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5075] umount2("./121/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5074] umount2("./120/cgroup.cpu", 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 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] unlink("./123/cgroup.cpu" [pid 5076] lstat("./119/cgroup.cpu", [pid 5075] lstat("./121/cgroup.cpu", [pid 5074] lstat("./120/cgroup.cpu", [pid 5077] <... unlink resumed>) = 0 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [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 5077] getdents64(3, [pid 5076] unlink("./119/cgroup.cpu" [pid 5075] unlink("./121/cgroup.cpu" [pid 5074] unlink("./120/cgroup.cpu" [pid 5077] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] <... unlink resumed>) = 0 [pid 5075] <... unlink resumed>) = 0 [pid 5074] <... unlink resumed>) = 0 [pid 5077] close(3 [pid 5076] getdents64(3, [pid 5075] getdents64(3, [pid 5074] getdents64(3, [pid 5077] <... close resumed>) = 0 [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5075] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5074] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5077] rmdir("./123" [pid 5076] close(3 [pid 5075] close(3 [pid 5074] close(3 [pid 5077] <... rmdir resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5077] mkdir("./124", 0777 [pid 5076] rmdir("./119" [pid 5075] rmdir("./121" [pid 5074] rmdir("./120" [pid 5077] <... mkdir resumed>) = 0 [pid 5076] <... rmdir resumed>) = 0 [pid 5075] <... rmdir resumed>) = 0 [pid 5074] <... rmdir resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5076] mkdir("./120", 0777 [pid 5075] mkdir("./122", 0777 [pid 5074] mkdir("./121", 0777 [pid 5077] <... openat resumed>) = 3 [pid 5076] <... mkdir resumed>) = 0 [pid 5075] <... mkdir resumed>) = 0 [pid 5074] <... mkdir resumed>) = 0 [pid 5079] <... umount2 resumed>) = 0 [pid 5077] ioctl(3, LOOP_CLR_FD [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5077] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5076] <... openat resumed>) = 3 [pid 5075] <... openat resumed>) = 3 [pid 5074] <... openat resumed>) = 3 [pid 5077] close(3 [pid 5076] ioctl(3, LOOP_CLR_FD [pid 5075] ioctl(3, LOOP_CLR_FD [pid 5074] ioctl(3, LOOP_CLR_FD [pid 5079] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] <... close resumed>) = 0 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5075] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5074] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5077] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] close(3 [pid 5075] close(3 [pid 5074] close(3./strace-static-x86_64: Process 6636 attached [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... close resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 6636] set_robust_list(0x5555562845e0, 24 [pid 5079] lstat("./129/file0", [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 250 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [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 6639 attached ./strace-static-x86_64: Process 6638 attached ./strace-static-x86_64: Process 6637 attached [pid 6636] <... set_robust_list resumed>) = 0 [pid 6635] <... write resumed>) = 2097152 [pid 5079] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6639] set_robust_list(0x5555562845e0, 24 [pid 6636] chdir("./124" [pid 5079] umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... clone resumed>, child_tidptr=0x5555562845d0) = 242 [pid 5075] <... clone resumed>, child_tidptr=0x5555562845d0) = 246 [pid 5074] <... clone resumed>, child_tidptr=0x5555562845d0) = 244 [pid 6639] <... set_robust_list resumed>) = 0 [pid 6636] <... chdir resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6639] chdir("./121" [pid 6638] set_robust_list(0x5555562845e0, 24 [pid 6637] set_robust_list(0x5555562845e0, 24 [pid 6636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6639] <... chdir resumed>) = 0 [pid 6636] <... prctl resumed>) = 0 [pid 5079] openat(AT_FDCWD, "./129/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6639] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6636] setpgid(0, 0 [pid 6639] <... prctl resumed>) = 0 [pid 6636] <... setpgid resumed>) = 0 [pid 6639] setpgid(0, 0 [pid 6638] <... set_robust_list resumed>) = 0 [pid 6637] <... set_robust_list resumed>) = 0 [pid 6636] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6635] munmap(0x7f7a51cd9000, 2097152 [pid 5079] <... openat resumed>) = 4 [pid 6639] <... setpgid resumed>) = 0 [pid 6638] chdir("./122" [pid 6636] <... symlink resumed>) = 0 [pid 6639] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6637] chdir("./120" [pid 6636] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6639] <... symlink resumed>) = 0 [pid 6636] <... symlink resumed>) = 0 [pid 5079] fstat(4, [pid 6639] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6638] <... chdir resumed>) = 0 [pid 6637] <... chdir resumed>) = 0 [pid 6636] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6639] <... symlink resumed>) = 0 [pid 6638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6636] <... symlink resumed>) = 0 [pid 5079] getdents64(4, [pid 6639] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6639] <... symlink resumed>) = 0 [pid 6638] <... prctl resumed>) = 0 [pid 6637] <... prctl resumed>) = 0 [pid 6636] <... openat resumed>) = 3 [pid 6635] <... munmap resumed>) = 0 [pid 5079] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6638] setpgid(0, 0 [pid 6637] setpgid(0, 0 [pid 6636] write(3, "1000", 4 [pid 6635] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5079] getdents64(4, [pid 6639] <... openat resumed>) = 3 [pid 6638] <... setpgid resumed>) = 0 [pid 6637] <... setpgid resumed>) = 0 [pid 6636] <... write resumed>) = 4 [pid 6639] write(3, "1000", 4 [pid 6636] close(3 [pid 6639] <... write resumed>) = 4 [pid 6636] <... close resumed>) = 0 [pid 6635] <... openat resumed>) = 4 [pid 6639] close(3 [pid 6638] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6636] symlink("/dev/binderfs", "./binderfs" [pid 5079] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6639] <... close resumed>) = 0 [pid 6637] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6636] <... symlink resumed>) = 0 [pid 6635] ioctl(4, LOOP_SET_FD, 3 [pid 6639] symlink("/dev/binderfs", "./binderfs" [pid 6638] <... symlink resumed>) = 0 [pid 6637] <... symlink resumed>) = 0 [pid 6636] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] close(4 [pid 6639] <... symlink resumed>) = 0 [pid 6636] <... futex resumed>) = 0 [pid 6639] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6639] <... futex resumed>) = 0 [pid 6636] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6636] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6639] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6636] <... mprotect resumed>) = 0 [pid 6639] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6636] 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 6640 attached [pid 6639] <... mprotect resumed>) = 0 [pid 6640] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6639] 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 6636] <... clone resumed>, parent_tid=[251], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 251 ./strace-static-x86_64: Process 6641 attached [pid 6640] <... set_robust_list resumed>) = 0 [pid 6636] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6641] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6640] memfd_create("syzkaller", 0 [pid 6639] <... clone resumed>, parent_tid=[245], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 245 [pid 6636] <... futex resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 6641] <... set_robust_list resumed>) = 0 [pid 6640] <... memfd_create resumed>) = 3 [pid 6639] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6641] memfd_create("syzkaller", 0 [pid 6640] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6639] <... futex resumed>) = 0 [pid 6638] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6637] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6635] <... ioctl resumed>) = 0 [pid 5079] rmdir("./129/file0" [pid 6641] <... memfd_create resumed>) = 3 [pid 6640] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6639] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6638] <... symlink resumed>) = 0 [pid 6637] <... symlink resumed>) = 0 [pid 6635] close(3 [pid 5079] <... rmdir resumed>) = 0 [pid 6641] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6635] <... close resumed>) = 0 [pid 6638] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6637] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6635] mkdir("./file0", 0777 [pid 5079] umount2("./129/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6635] <... mkdir resumed>) = 0 [pid 6635] mount("/dev/loop1", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6638] <... symlink resumed>) = 0 [pid 6637] <... symlink resumed>) = 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6640] 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 6638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 197.015062][ T6635] loop1: detected capacity change from 0 to 4096 [pid 5079] lstat("./129/cgroup.cpu", [pid 6638] <... openat resumed>) = 3 [pid 6637] <... openat resumed>) = 3 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6638] write(3, "1000", 4 [pid 6637] write(3, "1000", 4 [pid 5079] unlink("./129/cgroup.cpu" [pid 6638] <... write resumed>) = 4 [pid 6637] <... write resumed>) = 4 [pid 5079] <... unlink resumed>) = 0 [pid 6638] close(3 [pid 6637] close(3 [pid 5079] getdents64(3, [pid 6638] <... close resumed>) = 0 [pid 6637] <... close resumed>) = 0 [pid 5079] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6638] symlink("/dev/binderfs", "./binderfs" [pid 6637] symlink("/dev/binderfs", "./binderfs" [pid 5079] close(3 [pid 6638] <... symlink resumed>) = 0 [pid 6637] <... symlink resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 6638] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5079] rmdir("./129" [pid 6638] <... futex resumed>) = 0 [pid 6637] <... futex resumed>) = 0 [pid 5079] <... rmdir resumed>) = 0 [pid 6638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] mkdir("./130", 0777 [pid 6641] 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 6638] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6637] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 5079] <... mkdir resumed>) = 0 [pid 6640] <... write resumed>) = 2097152 [pid 6635] <... mount resumed>) = 0 [pid 6638] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6637] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6638] <... mprotect resumed>) = 0 [pid 6637] <... mprotect resumed>) = 0 [pid 6635] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5079] <... openat resumed>) = 3 [pid 6638] 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 6637] 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 6635] <... openat resumed>) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6643 attached ./strace-static-x86_64: Process 6642 attached [pid 6635] chdir("./file0" [pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6643] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6642] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6638] <... clone resumed>, parent_tid=[247], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 247 [pid 6637] <... clone resumed>, parent_tid=[243], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 243 [pid 6635] <... chdir resumed>) = 0 [pid 5079] close(3 [pid 6643] <... set_robust_list resumed>) = 0 [pid 6642] <... set_robust_list resumed>) = 0 [pid 6638] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] ioctl(4, LOOP_CLR_FD [pid 5079] <... close resumed>) = 0 [pid 6638] <... futex resumed>) = 0 [pid 6637] <... futex resumed>) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6644 attached [pid 6643] memfd_create("syzkaller", 0 [pid 6642] memfd_create("syzkaller", 0 [pid 6638] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6637] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6635] <... ioctl resumed>) = 0 [pid 6644] set_robust_list(0x5555562845e0, 24 [pid 6643] <... memfd_create resumed>) = 3 [pid 6642] <... memfd_create resumed>) = 3 [pid 6635] close(4 [pid 5079] <... clone resumed>, child_tidptr=0x5555562845d0) = 262 [pid 6644] <... set_robust_list resumed>) = 0 [pid 6641] <... write resumed>) = 2097152 [pid 6640] munmap(0x7f7a51cd9000, 2097152) = 0 [pid 6640] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 6640] ioctl(4, LOOP_SET_FD, 3 [pid 6644] chdir("./130" [pid 6643] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6642] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6641] munmap(0x7f7a51cd9000, 2097152 [pid 6635] <... close resumed>) = 0 [pid 6644] <... chdir resumed>) = 0 [pid 6643] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6642] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6635] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6641] <... munmap resumed>) = 0 [pid 6640] <... ioctl resumed>) = 0 [pid 6635] <... futex resumed>) = 1 [pid 6644] <... prctl resumed>) = 0 [pid 6635] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6644] setpgid(0, 0) = 0 [pid 6644] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6641] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6640] close(3 [pid 6634] <... futex resumed>) = 0 [ 197.160334][ T6640] loop5: detected capacity change from 0 to 4096 [pid 6644] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6643] 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 6641] <... openat resumed>) = 4 [pid 6640] <... close resumed>) = 0 [pid 6634] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6644] write(3, "1000", 4) = 4 [pid 6644] close(3) = 0 [pid 6644] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6644] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6644] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6644] 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 6645 attached [pid 6645] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6644] <... clone resumed>, parent_tid=[263], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 263 [pid 6645] <... set_robust_list resumed>) = 0 [pid 6644] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6645] memfd_create("syzkaller", 0 [pid 6644] <... futex resumed>) = 0 [pid 6642] 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 6641] ioctl(4, LOOP_SET_FD, 3 [pid 6640] mkdir("./file0", 0777 [pid 6635] <... futex resumed>) = 0 [pid 6634] <... futex resumed>) = 1 [pid 6645] <... memfd_create resumed>) = 3 [pid 6644] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6635] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6645] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6635] <... mkdirat resumed>) = 0 [pid 6645] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6635] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6641] <... ioctl resumed>) = 0 [pid 6640] <... mkdir resumed>) = 0 [pid 6635] <... futex resumed>) = 0 [pid 6634] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6635] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6641] close(3 [pid 6640] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6641] <... close resumed>) = 0 [pid 6634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6634] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6641] mkdir("./file0", 0777) = 0 [pid 6634] <... futex resumed>) = 1 [pid 6635] <... futex resumed>) = 0 [pid 6634] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6635] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6641] mount("/dev/loop0", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6635] <... symlinkat resumed>) = 0 [pid 6635] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6634] <... futex resumed>) = 0 [pid 6635] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6634] close(3) = 0 [pid 6634] close(4) = -1 EBADF (Bad file descriptor) [pid 6634] close(5) = -1 EBADF (Bad file descriptor) [pid 6634] close(6) = -1 EBADF (Bad file descriptor) [pid 6634] close(7) = -1 EBADF (Bad file descriptor) [pid 6634] close(8) = -1 EBADF (Bad file descriptor) [pid 6634] close(9) = -1 EBADF (Bad file descriptor) [pid 6634] close(10) = -1 EBADF (Bad file descriptor) [pid 6634] close(11) = -1 EBADF (Bad file descriptor) [ 197.223826][ T6641] loop0: detected capacity change from 0 to 4096 [pid 6634] close(12) = -1 EBADF (Bad file descriptor) [pid 6634] close(13) = -1 EBADF (Bad file descriptor) [pid 6634] close(14) = -1 EBADF (Bad file descriptor) [pid 6634] close(15 [pid 6645] 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 6634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6634] close(16) = -1 EBADF (Bad file descriptor) [pid 6634] close(17) = -1 EBADF (Bad file descriptor) [pid 6634] close(18) = -1 EBADF (Bad file descriptor) [pid 6634] close(19) = -1 EBADF (Bad file descriptor) [pid 6634] close(20) = -1 EBADF (Bad file descriptor) [pid 6634] close(21) = -1 EBADF (Bad file descriptor) [pid 6634] close(22) = -1 EBADF (Bad file descriptor) [pid 6634] close(23) = -1 EBADF (Bad file descriptor) [pid 6634] close(24) = -1 EBADF (Bad file descriptor) [pid 6634] close(25) = -1 EBADF (Bad file descriptor) [pid 6634] close(26) = -1 EBADF (Bad file descriptor) [pid 6634] close(27) = -1 EBADF (Bad file descriptor) [pid 6634] close(28) = -1 EBADF (Bad file descriptor) [pid 6634] close(29) = -1 EBADF (Bad file descriptor) [pid 6634] exit_group(0 [pid 6635] <... futex resumed>) = ? [pid 6634] <... exit_group resumed>) = ? [pid 6635] +++ exited with 0 +++ [pid 6634] +++ exited with 0 +++ [pid 5078] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=256, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5078] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6642] <... write resumed>) = 2097152 [pid 6640] <... mount resumed>) = 0 [pid 5078] umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6640] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5078] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6640] <... openat resumed>) = 3 [pid 5078] <... openat resumed>) = 3 [pid 6640] chdir("./file0" [pid 5078] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6640] <... chdir resumed>) = 0 [pid 6640] ioctl(4, LOOP_CLR_FD [pid 5078] getdents64(3, [pid 6640] <... ioctl resumed>) = 0 [pid 5078] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6640] close(4 [pid 5078] umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5078] lstat("./127/binderfs", [pid 6640] <... close resumed>) = 0 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6641] <... mount resumed>) = 0 [pid 6640] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] unlink("./127/binderfs" [pid 6641] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 6640] <... futex resumed>) = 1 [pid 6636] <... futex resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 6643] <... write resumed>) = 2097152 [pid 6641] <... openat resumed>) = 3 [pid 6640] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6636] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] umount2("./127/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6643] munmap(0x7f7a51cd9000, 2097152 [pid 6641] chdir("./file0" [pid 6640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6636] <... futex resumed>) = 0 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6643] <... munmap resumed>) = 0 [pid 6642] munmap(0x7f7a51cd9000, 2097152 [pid 6641] <... chdir resumed>) = 0 [pid 6640] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6636] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5078] lstat("./127/cgroup", [pid 6645] <... write resumed>) = 2097152 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6645] munmap(0x7f7a51cd9000, 2097152 [pid 6641] ioctl(4, LOOP_CLR_FD [pid 5078] unlink("./127/cgroup" [pid 6641] <... ioctl resumed>) = 0 [pid 5078] <... unlink resumed>) = 0 [pid 5078] umount2("./127/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6645] <... munmap resumed>) = 0 [pid 6641] close(4 [pid 6640] <... mkdirat resumed>) = 0 [pid 5078] lstat("./127/cgroup.net", [pid 6645] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6641] <... close resumed>) = 0 [pid 6640] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6645] <... openat resumed>) = 4 [pid 6643] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6641] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6640] <... futex resumed>) = 1 [pid 6636] <... futex resumed>) = 0 [pid 5078] unlink("./127/cgroup.net" [pid 6645] ioctl(4, LOOP_SET_FD, 3 [pid 6643] <... openat resumed>) = 4 [pid 6641] <... futex resumed>) = 1 [pid 6640] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6639] <... futex resumed>) = 0 [pid 6636] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... unlink resumed>) = 0 [pid 6641] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6639] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] <... futex resumed>) = 0 [pid 5078] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6639] <... futex resumed>) = 0 [pid 6636] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6639] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6641] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6640] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6645] <... ioctl resumed>) = 0 [pid 6643] ioctl(4, LOOP_SET_FD, 3 [pid 6642] <... munmap resumed>) = 0 [pid 6645] close(3 [pid 6643] <... ioctl resumed>) = 0 [pid 6642] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6640] <... symlinkat resumed>) = 0 [pid 6645] <... close resumed>) = 0 [pid 6643] close(3 [pid 6642] <... openat resumed>) = 4 [pid 6645] mkdir("./file0", 0777 [pid 6643] <... close resumed>) = 0 [pid 6642] ioctl(4, LOOP_SET_FD, 3 [pid 6640] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6645] <... mkdir resumed>) = 0 [pid 6643] mkdir("./file0", 0777 [pid 6639] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 197.390368][ T6645] loop2: detected capacity change from 0 to 4096 [ 197.414578][ T6643] loop4: detected capacity change from 0 to 4096 [pid 6636] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6639] futex(0x7f7a5a1f579c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] close(3 [pid 6639] <... futex resumed>) = 0 [pid 6636] <... close resumed>) = 0 [pid 6639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6636] close(4 [pid 6639] <... mmap resumed>) = 0x7f7a51eb8000 [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6639] mprotect(0x7f7a51eb9000, 131072, PROT_READ|PROT_WRITE [pid 6636] close(5 [pid 6640] <... futex resumed>) = 0 [pid 6645] mount("/dev/loop2", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6643] <... mkdir resumed>) = 0 [pid 6640] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6639] <... mprotect resumed>) = 0 [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6643] mount("/dev/loop4", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6639] clone(child_stack=0x7f7a51ed83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6636] close(6./strace-static-x86_64: Process 6646 attached ) = -1 EBADF (Bad file descriptor) [pid 6646] set_robust_list(0x7f7a51ed89e0, 24 [pid 6639] <... clone resumed>, parent_tid=[246], tls=0x7f7a51ed8700, child_tidptr=0x7f7a51ed89d0) = 246 [pid 6636] close(7 [pid 6646] <... set_robust_list resumed>) = 0 [pid 6639] futex(0x7f7a5a1f5798, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6639] <... futex resumed>) = 0 [pid 6636] close(8 [pid 5078] <... umount2 resumed>) = 0 [pid 6639] futex(0x7f7a5a1f579c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6636] close(9 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6641] <... mkdirat resumed>) = 0 [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] lstat("./127/file0", [pid 6636] close(10 [pid 5078] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6636] close(11 [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 197.444823][ T6642] loop3: detected capacity change from 0 to 4096 [pid 5078] openat(AT_FDCWD, "./127/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6642] <... ioctl resumed>) = 0 [pid 6641] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] close(12 [pid 5078] <... openat resumed>) = 4 [pid 6642] close(3 [pid 6641] <... futex resumed>) = 0 [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6642] <... close resumed>) = 0 [pid 6641] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6642] mkdir("./file0", 0777) = 0 [pid 6642] mount("/dev/loop3", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 6636] close(13) = -1 EBADF (Bad file descriptor) [pid 5078] fstat(4, [pid 6636] close(14) = -1 EBADF (Bad file descriptor) [pid 5078] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6636] close(15 [pid 5078] getdents64(4, [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x55555628d660 /* 2 entries */, 32768) = 48 [pid 6636] close(16) = -1 EBADF (Bad file descriptor) [pid 5078] getdents64(4, [pid 6636] close(17 [pid 5078] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] close(4 [pid 6636] close(18 [pid 5078] <... close resumed>) = 0 [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] rmdir("./127/file0" [ 197.494774][ T6646] ------------[ cut here ]------------ [ 197.507932][ T6646] DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff88806f2036d0, owner = 0x0, curr 0xffff88801965d7c0, list empty [pid 6636] close(19 [pid 6643] <... mount resumed>) = 0 [pid 6639] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... rmdir resumed>) = 0 [pid 6643] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6643] chdir("./file0") = 0 [pid 6643] ioctl(4, LOOP_CLR_FD) = 0 [pid 6643] close(4) = 0 [pid 6636] close(20 [pid 5078] umount2("./127/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6643] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6643] <... futex resumed>) = 1 [pid 6637] <... futex resumed>) = 0 [pid 6643] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6637] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6637] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6636] close(21 [pid 5078] lstat("./127/cgroup.cpu", [pid 6645] <... mount resumed>) = 0 [pid 6645] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 6645] chdir("./file0") = 0 [pid 6645] ioctl(4, LOOP_CLR_FD) = 0 [pid 6645] close(4) = 0 [pid 6645] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6645] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6644] <... futex resumed>) = 0 [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6644] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] close(22 [ 197.537005][ T6646] WARNING: CPU: 1 PID: 6646 at kernel/locking/rwsem.c:1361 up_write+0x4f9/0x580 [ 197.548179][ T6646] Modules linked in: [ 197.553286][ T6646] CPU: 1 PID: 6646 Comm: syz-executor272 Not tainted 6.2.0-rc1-syzkaller #0 [ 197.563070][ T6646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 197.586067][ T6646] RIP: 0010:up_write+0x4f9/0x580 [pid 5078] unlink("./127/cgroup.cpu" [pid 6645] <... futex resumed>) = 0 [pid 6644] <... futex resumed>) = 1 [pid 6643] <... mkdirat resumed>) = 0 [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... unlink resumed>) = 0 [pid 6645] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6643] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6637] <... futex resumed>) = 0 [pid 6643] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6637] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] <... symlinkat resumed>) = 0 [pid 6637] <... futex resumed>) = 0 [pid 6643] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6645] <... mkdirat resumed>) = 0 [pid 6643] <... futex resumed>) = 0 [pid 6637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6643] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6637] close(3 [pid 6645] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] <... close resumed>) = 0 [pid 6645] <... futex resumed>) = 0 [pid 6637] close(4 [pid 6645] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6637] close(5) = -1 EBADF (Bad file descriptor) [pid 6637] close(6) = -1 EBADF (Bad file descriptor) [pid 6637] close(7) = -1 EBADF (Bad file descriptor) [pid 6637] close(8) = -1 EBADF (Bad file descriptor) [pid 6637] close(9) = -1 EBADF (Bad file descriptor) [pid 6637] close(10) = -1 EBADF (Bad file descriptor) [pid 6637] close(11) = -1 EBADF (Bad file descriptor) [pid 6637] close(12) = -1 EBADF (Bad file descriptor) [pid 6637] close(13) = -1 EBADF (Bad file descriptor) [pid 6644] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6637] close(14 [pid 6636] close(23 [pid 5078] getdents64(3, [pid 6637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6637] close(15) = -1 EBADF (Bad file descriptor) [pid 6637] close(16) = -1 EBADF (Bad file descriptor) [pid 6637] close(17) = -1 EBADF (Bad file descriptor) [pid 6637] close(18) = -1 EBADF (Bad file descriptor) [pid 6637] close(19) = -1 EBADF (Bad file descriptor) [pid 6637] close(20) = -1 EBADF (Bad file descriptor) [pid 6637] close(21) = -1 EBADF (Bad file descriptor) [pid 6637] close(22 [pid 6644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6637] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 6637] close(23) = -1 EBADF (Bad file descriptor) [pid 6637] close(24) = -1 EBADF (Bad file descriptor) [pid 6637] close(25) = -1 EBADF (Bad file descriptor) [pid 6637] close(26) = -1 EBADF (Bad file descriptor) [pid 6637] close(27) = -1 EBADF (Bad file descriptor) [pid 6637] close(28) = -1 EBADF (Bad file descriptor) [pid 6637] close(29) = -1 EBADF (Bad file descriptor) [pid 6637] exit_group(0 [pid 6643] <... futex resumed>) = ? [pid 6637] <... exit_group resumed>) = ? [pid 6643] +++ exited with 0 +++ [pid 6637] +++ exited with 0 +++ [ 197.593369][ T6646] Code: c7 e0 ab ed 8a 48 c7 c6 80 ae ed 8a 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 31 c0 53 e8 9b 59 e8 ff 48 83 c4 08 <0f> 0b e9 6b fd ff ff 48 c7 c1 18 9c 96 8e 80 e1 07 80 c1 03 38 c1 [ 197.614252][ T6646] RSP: 0018:ffffc9000b807d40 EFLAGS: 00010292 [ 197.620362][ T6646] RAX: 298a0fb209e0d400 RBX: ffffffff8aedacc0 RCX: ffff88801965d7c0 [ 197.629530][ T6646] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [pid 6644] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] close(24 [pid 5078] close(3 [pid 6645] <... futex resumed>) = 0 [pid 6644] <... futex resumed>) = 1 [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... close resumed>) = 0 [pid 5076] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6645] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0") = 0 [pid 6644] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6636] close(25 [pid 5078] rmdir("./127" [pid 6645] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6645] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... rmdir resumed>) = 0 [pid 6644] close(3 [pid 6636] close(26 [pid 5078] mkdir("./128", 0777 [ 197.645049][ T6646] RBP: ffffc9000b807e10 R08: ffffffff816f2c9d R09: fffff52001700f61 [ 197.658159][ T6646] R10: fffff52001700f61 R11: 1ffff92001700f60 R12: 0000000000000000 [ 197.671437][ T6646] R13: ffff88806f2036d0 R14: 1ffff92001700fb0 R15: dffffc0000000000 [ 197.684741][ T6646] FS: 00007f7a51ed8700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [pid 5076] umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6644] <... close resumed>) = 0 [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... mkdir resumed>) = 0 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6644] close(4 [pid 6636] close(27 [pid 5078] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5076] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5078] <... openat resumed>) = 3 [pid 5076] <... openat resumed>) = 3 [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6636] close(28 [pid 5076] fstat(3, [pid 5078] ioctl(3, LOOP_CLR_FD [pid 6644] close(5 [pid 6636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6644] close(6 [pid 6636] close(29) = -1 EBADF (Bad file descriptor) [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] getdents64(3, [pid 6636] exit_group(0 [pid 5078] close(3 [pid 6644] close(7 [pid 5076] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6636] <... exit_group resumed>) = ? [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6640] <... futex resumed>) = ? [pid 5078] <... close resumed>) = 0 [pid 5076] umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6640] +++ exited with 0 +++ [pid 6644] close(8 [pid 6636] +++ exited with 0 +++ [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 5077] umount2("./124", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] openat(AT_FDCWD, "./124", 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, ./strace-static-x86_64: Process 6647 attached [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5078] <... clone resumed>, child_tidptr=0x5555562845d0) = 258 [pid 5077] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 5076] lstat("./120/binderfs", [pid 5077] umount2("./124/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5077] unlink("./124/binderfs") = 0 [pid 5077] umount2("./124/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./124/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] unlink("./124/cgroup") = 0 [pid 5077] umount2("./124/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./124/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] unlink("./124/cgroup.net") = 0 [pid 5077] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6647] set_robust_list(0x5555562845e0, 24) = 0 [pid 6647] chdir("./128") = 0 [pid 6644] close(9 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6642] <... mount resumed>) = 0 [pid 5077] <... umount2 resumed>) = 0 [ 197.695761][ T6646] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 197.708292][ T6646] CR2: 00007fff0eaf7c5c CR3: 000000007721d000 CR4: 00000000003506e0 [ 197.716680][ T6646] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 197.737859][ T6646] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [pid 6647] <... prctl resumed>) = 0 [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] unlink("./120/binderfs" [pid 6647] setpgid(0, 0 [pid 6644] close(10 [pid 5076] <... unlink resumed>) = 0 [pid 6647] <... setpgid resumed>) = 0 [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6642] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5076] umount2("./120/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6644] close(11 [pid 6647] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6647] <... symlink resumed>) = 0 [pid 6644] close(12 [pid 6642] <... openat resumed>) = 3 [pid 5076] lstat("./120/cgroup", [pid 5077] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] lstat("./124/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5077] umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5077] openat(AT_FDCWD, "./124/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, [pid 6647] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6642] chdir("./file0" [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 5077] <... getdents64 resumed>0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5077] close(4) = 0 [pid 5077] rmdir("./124/file0") = 0 [pid 5077] umount2("./124/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6647] <... symlink resumed>) = 0 [pid 6644] close(13 [pid 6642] <... chdir resumed>) = 0 [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] unlink("./120/cgroup" [pid 6647] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6644] close(14 [pid 6642] ioctl(4, LOOP_CLR_FD [pid 5077] lstat("./124/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5077] unlink("./124/cgroup.cpu") = 0 [pid 5076] <... unlink resumed>) = 0 [pid 6642] <... ioctl resumed>) = 0 [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5077] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 [pid 6647] <... symlink resumed>) = 0 [pid 6644] close(15) = -1 EBADF (Bad file descriptor) [pid 6642] close(4 [pid 6647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6644] close(16 [pid 5076] umount2("./120/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6642] <... close resumed>) = 0 [pid 5077] close(3) = 0 [pid 5077] rmdir("./124") = 0 [pid 5077] mkdir("./125", 0777) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 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 6648 attached [pid 6648] set_robust_list(0x5555562845e0, 24 [pid 5077] <... clone resumed>, child_tidptr=0x5555562845d0) = 252 [pid 6647] <... openat resumed>) = 3 [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6642] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6648] <... set_robust_list resumed>) = 0 [pid 6647] write(3, "1000", 4 [pid 6644] close(17 [pid 6642] <... futex resumed>) = 1 [pid 6638] <... futex resumed>) = 0 [pid 5076] lstat("./120/cgroup.net", [pid 6647] <... write resumed>) = 4 [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6642] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6638] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5076] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6648] chdir("./125" [pid 6647] close(3 [pid 6644] close(18 [pid 6642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6638] <... futex resumed>) = 0 [pid 5076] unlink("./120/cgroup.net" [pid 6647] <... close resumed>) = 0 [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6642] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6638] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6648] <... chdir resumed>) = 0 [pid 6644] close(19 [pid 5076] <... unlink resumed>) = 0 [pid 6648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6648] setpgid(0, 0) = 0 [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6644] close(20 [pid 5076] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6644] close(21 [pid 6648] <... symlink resumed>) = 0 [pid 6647] symlink("/dev/binderfs", "./binderfs" [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu") = 0 [pid 6644] close(22 [pid 6648] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 6647] <... symlink resumed>) = 0 [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6644] close(23 [pid 6648] <... openat resumed>) = 3 [pid 6648] write(3, "1000", 4 [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] <... write resumed>) = 4 [pid 6648] close(3 [pid 6644] close(24 [pid 6648] <... close resumed>) = 0 [pid 6647] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] symlink("/dev/binderfs", "./binderfs" [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] <... symlink resumed>) = 0 [pid 6647] <... futex resumed>) = 0 [pid 6642] <... mkdirat resumed>) = 0 [pid 6648] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 197.762116][ T6646] Call Trace: [ 197.765916][ T6646] [ 197.770246][ T6646] ? __up_read+0x690/0x690 [ 197.794530][ T6646] ? preempt_schedule_thunk+0x16/0x20 [ 197.799985][ T6646] do_symlinkat+0x242/0x5f0 [pid 6648] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7a5a0d9000 [pid 6644] close(25 [pid 6648] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6642] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] <... mprotect resumed>) = 0 [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] 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 6647] <... mmap resumed>) = 0x7f7a5a0d9000 [pid 6644] close(26 [pid 6642] <... futex resumed>) = 1 [pid 6638] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6649 attached [pid 6649] set_robust_list(0x7f7a5a0f99e0, 24 [pid 6648] <... clone resumed>, parent_tid=[253], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 253 [pid 6649] <... set_robust_list resumed>) = 0 [pid 6648] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6649] memfd_create("syzkaller", 0 [pid 6647] mprotect(0x7f7a5a0da000, 131072, PROT_READ|PROT_WRITE [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6642] symlinkat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0" [pid 6638] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6649] <... memfd_create resumed>) = 3 [pid 6648] <... futex resumed>) = 0 [pid 6649] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6648] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6649] <... mmap resumed>) = 0x7f7a51cd9000 [pid 6644] close(27 [pid 6638] <... futex resumed>) = 0 [pid 6647] <... mprotect resumed>) = 0 [pid 6642] <... symlinkat resumed>) = 0 [pid 6647] 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 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6642] futex(0x7f7a5a1f578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 6638] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5076] <... umount2 resumed>) = 0 [pid 5076] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./120/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6650 attached [pid 6644] close(28 [pid 6642] <... futex resumed>) = 0 [pid 6638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6638] close(3 [pid 6644] close(29 [pid 6642] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6638] <... close resumed>) = 0 [pid 6647] <... clone resumed>, parent_tid=[259], tls=0x7f7a5a0f9700, child_tidptr=0x7f7a5a0f99d0) = 259 [pid 6650] set_robust_list(0x7f7a5a0f99e0, 24) = 0 [pid 6650] futex(0x7f7a5a1f5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5076] umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5076] openat(AT_FDCWD, "./120/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6644] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6644] exit_group(0 [pid 6638] close(4 [pid 6644] <... exit_group resumed>) = ? [pid 6647] futex(0x7f7a5a1f5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 6645] <... futex resumed>) = ? [pid 6638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6645] +++ exited with 0 +++ [pid 6644] +++ exited with 0 +++ [pid 6638] close(5 [pid 6650] <... futex resumed>) = 0 [pid 6647] <... futex resumed>) = 1 [pid 6638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6650] memfd_create("syzkaller", 0 [pid 5079] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- [pid 6650] <... memfd_create resumed>) = 3 [pid 6650] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7a51cd9000 [pid 6647] futex(0x7f7a5a1f578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6638] close(6) = -1 EBADF (Bad file descriptor) [pid 6649] 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 6638] close(7 [pid 5076] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] getdents64(4, 0x55555628d660 /* 2 entries */, 32768) = 48 [pid 5076] getdents64(4, 0x55555628d660 /* 0 entries */, 32768) = 0 [pid 5076] close(4) = 0 [pid 5076] rmdir("./120/file0" [pid 6638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... rmdir resumed>) = 0 [pid 5076] umount2("./120/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5076] lstat("./120/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5076] unlink("./120/cgroup.cpu" [pid 6638] close(8 [pid 5079] umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... unlink resumed>) = 0 [pid 5076] getdents64(3, [pid 6638] close(9 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] <... getdents64 resumed>0x555556285620 /* 0 entries */, 32768) = 0 [pid 5076] close(3) = 0 [pid 5079] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6638] close(10 [pid 5076] rmdir("./120") = 0 [pid 5079] <... openat resumed>) = 3 [pid 5076] mkdir("./121", 0777 [pid 6638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] fstat(3, [pid 6638] close(11 [pid 5079] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... mkdir resumed>) = 0 [pid 6638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6638] close(12 [pid 5079] getdents64(3, [pid 6638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5076] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5079] <... getdents64 resumed>0x555556285620 /* 7 entries */, 32768) = 208 [pid 6638] close(13) = -1 EBADF (Bad file descriptor) [pid 5079] umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5076] <... openat resumed>) = 3 [pid 6638] close(14 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] lstat("./130/binderfs", [pid 6638] close(15 [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5076] ioctl(3, LOOP_CLR_FD [pid 6638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6638] close(16 [pid 5076] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] unlink("./130/binderfs" [pid 6638] close(17 [ 197.858938][ T6646] ? __check_object_size+0x15a/0x210 [ 197.865656][ T6646] ? vfs_symlink+0x3d0/0x3d0 [ 197.883796][ T6646] ? getname_flags+0x1ea/0x4e0 [ 197.888654][ T6646] __x64_sys_symlinkat+0x95/0xa0 [pid 5076] close(3 [pid 6638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... unlink resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555562845d0) = 244 ./strace-static-x86_64: Process 6651 attached [pid 6638] close(18 [ 197.917286][ T6646] do_syscall_64+0x3d/0xb0 [ 197.928466][ T6646] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 197.936716][ T6646] RIP: 0033:0x7f7a5a151049 [ 197.941255][ T6646] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [pid 5079] umount2("./130/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6651] set_robust_list(0x5555562845e0, 24 [pid 6650] 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 6649] <... write resumed>) = 2097152 [pid 6638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6651] <... set_robust_list resumed>) = 0 [pid 5079] lstat("./130/cgroup", [pid 6651] chdir("./121" [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6651] <... chdir resumed>) = 0 [pid 5079] unlink("./130/cgroup" [pid 6651] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... unlink resumed>) = 0 [pid 6651] <... prctl resumed>) = 0 [pid 6638] close(19 [pid 5079] umount2("./130/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6651] setpgid(0, 0 [pid 5079] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6651] <... setpgid resumed>) = 0 [pid 5079] lstat("./130/cgroup.net", [pid 6651] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5079] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6651] <... symlink resumed>) = 0 [pid 5079] unlink("./130/cgroup.net" [pid 6638] close(20 [pid 5079] <... unlink resumed>) = 0 [pid 5079] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6651] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6649] munmap(0x7f7a51cd9000, 2097152 [pid 6651] <... symlink resumed>) = 0 [pid 6649] <... munmap resumed>) = 0 [pid 6638] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6638] close(21) = -1 EBADF (Bad file descriptor) [pid 6638] close(22) = -1 EBADF (Bad file descriptor) [pid 6638] close(23) = -1 EBADF (Bad file descriptor) [pid 6638] close(24) = -1 EBADF (Bad file descriptor) [pid 6638] close(25) = -1 EBADF (Bad file descriptor) [ 197.962558][ T6646] RSP: 002b:00007f7a51ed82f8 EFLAGS: 00000246 ORIG_RAX: 000000000000010a [ 197.971027][ T6646] RAX: ffffffffffffffda RBX: 00007f7a5a1f5790 RCX: 00007f7a5a151049 [ 197.979520][ T6646] RDX: 0000000020000280 RSI: 00000000ffffff9c RDI: 00000000200004c0 [ 197.989766][ T6646] RBP: 00007f7a5a1c1fb8 R08: 00007f7a51ed8700 R09: 0000000000000000 [pid 6651] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6650] <... write resumed>) = 2097152 [pid 6649] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 6638] close(26) = -1 EBADF (Bad file descriptor) [pid 6638] close(27) = -1 EBADF (Bad file descriptor) [pid 6638] close(28) = -1 EBADF (Bad file descriptor) [pid 6638] close(29) = -1 EBADF (Bad file descriptor) [pid 6638] exit_group(0) = ? [pid 6651] <... symlink resumed>) = 0 [pid 6649] <... openat resumed>) = 4 [pid 6642] <... futex resumed>) = ? [pid 6651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6649] ioctl(4, LOOP_SET_FD, 3 [pid 6651] <... openat resumed>) = 3 [pid 6650] munmap(0x7f7a51cd9000, 2097152 [pid 6649] <... ioctl resumed>) = 0 [pid 6642] +++ exited with 0 +++ [pid 6638] +++ exited with 0 +++ [pid 6651] write(3, "1000", 4 [pid 6649] close(3 [pid 6651] <... write resumed>) = 4 [pid 6649] <... close resumed>) = 0 [pid 6651] close(3 [pid 6649] mkdir("./file0", 0777 [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=6 /* 0.06 s */} --- [pid 6649] <... mkdir resumed>) = 0 [pid 6651] <... close resumed>) = 0 [pid 5075] umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW [ 198.017492][ T6646] R10: 00007f7a51ed8700 R11: 0000000000000246 R12: 00007f7a5a1a2640 [ 198.031369][ T6649] loop5: detected capacity change from 0 to 4096 [ 198.038931][ T6646] R13: 00007f7a5a1c1eb8 R14: 0030656c69662f2e R15: 00007f7a5a1f5798 [ 198.054930][ T6646] [ 198.058162][ T6646] Kernel panic - not syncing: kernel: panic_on_warn set ... [pid 6651] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6650] <... munmap resumed>) = 0 [pid 6649] mount("/dev/loop5", "./file0", "ntfs3", 0, "discard,showmeta,noacsrules,sparse,iocharset=cp855,noacsrules,noacsrules," [pid 5075] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] <... umount2 resumed>) = 0 [pid 5079] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./130/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] openat(AT_FDCWD, "./130/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5079] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [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("./130/file0") = 0 [pid 5079] umount2("./130/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5079] lstat("./130/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 5079] unlink("./130/cgroup.cpu") = 0 [pid 5079] getdents64(3, 0x555556285620 /* 0 entries */, 32768) = 0 [pid 5079] close(3) = 0 [pid 5079] rmdir("./130") = 0 [pid 5079] mkdir("./131", 0777) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5079] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5079] close(3) = 0 [pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555562845d0) = 264 ./strace-static-x86_64: Process 6652 attached [pid 6652] set_robust_list(0x5555562845e0, 24) = 0 [pid 6652] chdir("./131") = 0 [pid 6652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6652] setpgid(0, 0) = 0 [pid 6652] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [ 198.065495][ T6646] CPU: 0 PID: 6646 Comm: syz-executor272 Not tainted 6.2.0-rc1-syzkaller #0 [ 198.074202][ T6646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 198.084284][ T6646] Call Trace: [ 198.087667][ T6646] [ 198.090616][ T6646] dump_stack_lvl+0x1b1/0x290 [ 198.095316][ T6646] ? nf_tcp_handle_invalid+0x630/0x630 [ 198.100797][ T6646] ? panic+0x710/0x710 [ 198.104906][ T6646] ? vscnprintf+0x59/0x80 [ 198.109261][ T6646] ? up_write+0x460/0x580 [ 198.113603][ T6646] panic+0x2d6/0x710 [ 198.117507][ T6646] ? __warn+0x16d/0x2d0 [ 198.121665][ T6646] ? memcpy_page_flushcache+0x100/0x100 [ 198.127219][ T6646] ? up_write+0x4f9/0x580 [ 198.131547][ T6646] __warn+0x284/0x2d0 [ 198.135535][ T6646] ? up_write+0x4f9/0x580 [ 198.139860][ T6646] report_bug+0x1b3/0x2d0 [ 198.144197][ T6646] handle_bug+0x3d/0x70 [ 198.148356][ T6646] exc_invalid_op+0x16/0x40 [ 198.152864][ T6646] asm_exc_invalid_op+0x16/0x20 [ 198.157721][ T6646] RIP: 0010:up_write+0x4f9/0x580 [ 198.162667][ T6646] Code: c7 e0 ab ed 8a 48 c7 c6 80 ae ed 8a 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 31 c0 53 e8 9b 59 e8 ff 48 83 c4 08 <0f> 0b e9 6b fd ff ff 48 c7 c1 18 9c 96 8e 80 e1 07 80 c1 03 38 c1 [ 198.182277][ T6646] RSP: 0018:ffffc9000b807d40 EFLAGS: 00010292 [ 198.188343][ T6646] RAX: 298a0fb209e0d400 RBX: ffffffff8aedacc0 RCX: ffff88801965d7c0 [ 198.196332][ T6646] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 198.204312][ T6646] RBP: ffffc9000b807e10 R08: ffffffff816f2c9d R09: fffff52001700f61 [ 198.212377][ T6646] R10: fffff52001700f61 R11: 1ffff92001700f60 R12: 0000000000000000 [ 198.220353][ T6646] R13: ffff88806f2036d0 R14: 1ffff92001700fb0 R15: dffffc0000000000 [ 198.228354][ T6646] ? __wake_up_klogd+0xcd/0x100 [ 198.233252][ T6646] ? __up_read+0x690/0x690 [ 198.237686][ T6646] ? preempt_schedule_thunk+0x16/0x20 [ 198.243079][ T6646] do_symlinkat+0x242/0x5f0 [ 198.247593][ T6646] ? __check_object_size+0x15a/0x210 [ 198.252888][ T6646] ? vfs_symlink+0x3d0/0x3d0 [ 198.257477][ T6646] ? getname_flags+0x1ea/0x4e0 [ 198.262267][ T6646] __x64_sys_symlinkat+0x95/0xa0 [ 198.267218][ T6646] do_syscall_64+0x3d/0xb0 [ 198.271659][ T6646] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 198.277558][ T6646] RIP: 0033:0x7f7a5a151049 [ 198.281974][ T6646] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 198.301580][ T6646] RSP: 002b:00007f7a51ed82f8 EFLAGS: 00000246 ORIG_RAX: 000000000000010a [ 198.309996][ T6646] RAX: ffffffffffffffda RBX: 00007f7a5a1f5790 RCX: 00007f7a5a151049 [ 198.317964][ T6646] RDX: 0000000020000280 RSI: 00000000ffffff9c RDI: 00000000200004c0 [ 198.325930][ T6646] RBP: 00007f7a5a1c1fb8 R08: 00007f7a51ed8700 R09: 0000000000000000 [ 198.333896][ T6646] R10: 00007f7a51ed8700 R11: 0000000000000246 R12: 00007f7a5a1a2640 [ 198.341865][ T6646] R13: 00007f7a5a1c1eb8 R14: 0030656c69662f2e R15: 00007f7a5a1f5798 [ 198.349847][ T6646] [ 198.353102][ T6646] Kernel Offset: disabled [ 198.357528][ T6646] Rebooting in 86400 seconds..