EXT4-fs (loop3): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs error (device loop3): ext4_fill_super:4355: inode #2: comm syz-executor.3: iget: root inode unallocated ====================================================== WARNING: possible circular locking dependency detected 5.0.0+ #7 Not tainted ------------------------------------------------------ binder: BINDER_SET_CONTEXT_MGR already set syz-executor.0/9720 is trying to acquire lock: 000000009d8830a0 (&pipe->mutex/1){+.+.}, at: __pipe_lock fs/pipe.c:83 [inline] 000000009d8830a0 (&pipe->mutex/1){+.+.}, at: fifo_open+0x159/0xb00 fs/pipe.c:905 but task is already holding lock: 00000000bf910b54 (&sig->cred_guard_mutex){+.+.}, at: prepare_bprm_creds fs/exec.c:1407 [inline] 00000000bf910b54 (&sig->cred_guard_mutex){+.+.}, at: __do_execve_file.isra.0+0x376/0x23f0 fs/exec.c:1750 binder: 9679:9680 ioctl 40046207 0 returned -16 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&sig->cred_guard_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1310 kernel/locking/mutex.c:1072 mutex_lock_interruptible_nested+0x16/0x20 kernel/locking/mutex.c:1109 binder_alloc: 9679: binder_alloc_buf, no vma proc_pid_attr_write+0x1fa/0x530 fs/proc/base.c:2569 __vfs_write+0x116/0x8e0 fs/read_write.c:485 __kernel_write+0x110/0x3b0 fs/read_write.c:506 write_pipe_buf+0x15d/0x1f0 fs/splice.c:797 splice_from_pipe_feed fs/splice.c:503 [inline] __splice_from_pipe+0x39a/0x7e0 fs/splice.c:627 splice_from_pipe+0x108/0x170 fs/splice.c:662 binder: 9679:9725 got reply transaction with no transaction stack default_file_splice_write+0x3c/0x90 fs/splice.c:809 do_splice_from fs/splice.c:851 [inline] do_splice+0x70a/0x1490 fs/splice.c:1158 __do_sys_splice fs/splice.c:1428 [inline] __se_sys_splice fs/splice.c:1408 [inline] __x64_sys_splice+0x2c6/0x330 fs/splice.c:1408 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&pipe->mutex/1){+.+.}: binder: 9679:9725 transaction failed 29201/-71, size 0-0 line 2801 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 __pipe_lock fs/pipe.c:83 [inline] fifo_open+0x159/0xb00 fs/pipe.c:905 do_dentry_open+0x47d/0x1130 fs/open.c:771 vfs_open+0xa0/0xd0 fs/open.c:880 binder: 9679:9723 transaction failed 29189/-3, size 0-0 line 3035 do_last fs/namei.c:3418 [inline] path_openat+0x10d7/0x4690 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 binder: undelivered TRANSACTION_COMPLETE do_open_execat+0x13b/0x6d0 fs/exec.c:856 __do_execve_file.isra.0+0x178d/0x23f0 fs/exec.c:1758 do_execveat_common fs/exec.c:1865 [inline] do_execve fs/exec.c:1882 [inline] __do_sys_execve fs/exec.c:1963 [inline] __se_sys_execve fs/exec.c:1958 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:1958 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&sig->cred_guard_mutex); lock(&pipe->mutex/1); lock(&sig->cred_guard_mutex); lock(&pipe->mutex/1); *** DEADLOCK *** 1 lock held by syz-executor.0/9720: #0: 00000000bf910b54 (&sig->cred_guard_mutex){+.+.}, at: prepare_bprm_creds fs/exec.c:1407 [inline] #0: 00000000bf910b54 (&sig->cred_guard_mutex){+.+.}, at: __do_execve_file.isra.0+0x376/0x23f0 fs/exec.c:1750 stack backtrace: CPU: 0 PID: 9720 Comm: syz-executor.0 Not tainted 5.0.0+ #7 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 binder: undelivered TRANSACTION_ERROR: 29189 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1224 binder: undelivered TRANSACTION_ERROR: 29201 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2350 [inline] __lock_acquire+0x2f00/0x4700 kernel/locking/lockdep.c:3338 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29190 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1310 kernel/locking/mutex.c:1072 kobject: 'loop5' (0000000061b34690): kobject_uevent_env mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 __pipe_lock fs/pipe.c:83 [inline] fifo_open+0x159/0xb00 fs/pipe.c:905 do_dentry_open+0x47d/0x1130 fs/open.c:771 vfs_open+0xa0/0xd0 fs/open.c:880 do_last fs/namei.c:3418 [inline] path_openat+0x10d7/0x4690 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_open_execat+0x13b/0x6d0 fs/exec.c:856 __do_execve_file.isra.0+0x178d/0x23f0 fs/exec.c:1758 do_execveat_common fs/exec.c:1865 [inline] do_execve fs/exec.c:1882 [inline] __do_sys_execve fs/exec.c:1963 [inline] __se_sys_execve fs/exec.c:1958 [inline] __x64_sys_execve+0x8f/0xc0 fs/exec.c:1958 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457f29 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f42968f5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457f29 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000400 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f42968f66d4 R13: 00000000004be513 R14: 00000000004cee00 R15: 00000000ffffffff net_ratelimit: 18 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000070ad3d49): kobject_uevent_env audit: type=1800 audit(1551844196.224:43): pid=9732 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="file0" dev="sda1" ino=16767 res=0 kobject: 'loop4' (0000000070ad3d49): fill_kobj_path: path = '/devices/virtual/block/loop4' EXT4-fs (loop3): get root inode failed audit: type=1804 audit(1551844196.234:44): pid=9732 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir631869295/syzkaller.sd3Qle/68/file0" dev="sda1" ino=16767 res=1 EXT4-fs (loop3): mount failed kobject: 'loop2' (000000006a5bd41c): kobject_uevent_env kobject: 'loop2' (000000006a5bd41c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (000000006a5bd41c): kobject_uevent_env kobject: 'loop2' (000000006a5bd41c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000a974ae9c): kobject_uevent_env kobject: 'loop1' (00000000a974ae9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000000b0ce21f): kobject_uevent_env kobject: 'loop3' (000000000b0ce21f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (000000000b0ce21f): kobject_uevent_env kobject: 'loop3' (000000000b0ce21f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000cf5abf4d): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop0' (00000000cf5abf4d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (0000000061b34690): kobject_uevent_env kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000cf5abf4d): kobject_uevent_env kobject: 'loop0' (00000000cf5abf4d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (0000000061b34690): kobject_uevent_env kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop0' (00000000cf5abf4d): kobject_uevent_env kobject: 'loop0' (00000000cf5abf4d): fill_kobj_path: path = '/devices/virtual/block/loop0' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (0000000061b34690): kobject_uevent_env kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000000b0ce21f): kobject_uevent_env kobject: 'loop3' (000000000b0ce21f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000cf5abf4d): kobject_uevent_env kobject: 'loop0' (00000000cf5abf4d): fill_kobj_path: path = '/devices/virtual/block/loop0' audit: type=1804 audit(1551844197.034:45): pid=9736 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir631869295/syzkaller.sd3Qle/68/file0" dev="sda1" ino=16767 res=1 kobject: 'loop4' (0000000070ad3d49): kobject_uevent_env kobject: 'loop4' (0000000070ad3d49): fill_kobj_path: path = '/devices/virtual/block/loop4' audit: type=1800 audit(1551844197.144:46): pid=9802 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="file0" dev="sda1" ino=16698 res=0 kobject: 'loop1' (00000000a974ae9c): kobject_uevent_env audit: type=1804 audit(1551844197.174:47): pid=9802 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir631869295/syzkaller.sd3Qle/69/file0" dev="sda1" ino=16698 res=1 kobject: 'loop1' (00000000a974ae9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000006a5bd41c): kobject_uevent_env kobject: 'loop2' (000000006a5bd41c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (0000000061b34690): kobject_uevent_env kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (0000000061b34690): kobject_uevent_env kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000070ad3d49): kobject_uevent_env kobject: 'loop4' (0000000070ad3d49): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000a974ae9c): kobject_uevent_env kobject: 'loop1' (00000000a974ae9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000006a5bd41c): kobject_uevent_env kobject: 'loop2' (000000006a5bd41c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000070ad3d49): kobject_uevent_env kobject: 'loop4' (0000000070ad3d49): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (0000000061b34690): kobject_uevent_env kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000070ad3d49): kobject_uevent_env kobject: 'loop4' (0000000070ad3d49): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000a974ae9c): kobject_uevent_env kobject: 'loop1' (00000000a974ae9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000006a5bd41c): kobject_uevent_env kobject: 'loop2' (000000006a5bd41c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000070ad3d49): kobject_uevent_env kobject: 'loop4' (0000000070ad3d49): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (0000000061b34690): kobject_uevent_env kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000070ad3d49): kobject_uevent_env kobject: 'loop4' (0000000070ad3d49): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000a974ae9c): kobject_uevent_env kobject: 'loop1' (00000000a974ae9c): fill_kobj_path: path = '/devices/virtual/block/loop1' audit: type=1800 audit(1551844199.804:48): pid=9901 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="file0" dev="sda1" ino=16757 res=0 kobject: 'loop2' (000000006a5bd41c): kobject_uevent_env kobject: 'loop2' (000000006a5bd41c): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1804 audit(1551844199.804:49): pid=9901 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir231871353/syzkaller.3hVfMB/89/file0" dev="sda1" ino=16757 res=1 kobject: 'loop4' (0000000070ad3d49): kobject_uevent_env kobject: 'loop4' (0000000070ad3d49): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (0000000061b34690): kobject_uevent_env kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000a974ae9c): kobject_uevent_env kobject: 'loop1' (00000000a974ae9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000006a5bd41c): kobject_uevent_env kobject: 'loop2' (000000006a5bd41c): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1800 audit(1551844200.714:50): pid=9934 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="file0" dev="sda1" ino=16779 res=0 audit: type=1804 audit(1551844200.744:51): pid=9934 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir231871353/syzkaller.3hVfMB/90/file0" dev="sda1" ino=16779 res=1 kobject: 'loop4' (0000000070ad3d49): kobject_uevent_env kobject: 'loop4' (0000000070ad3d49): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (0000000061b34690): kobject_uevent_env kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000a974ae9c): kobject_uevent_env net_ratelimit: 22 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop1' (00000000a974ae9c): fill_kobj_path: path = '/devices/virtual/block/loop1' audit: type=1800 audit(1551844201.574:52): pid=9961 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="file0" dev="sda1" ino=16781 res=0 kobject: 'loop2' (000000006a5bd41c): kobject_uevent_env kobject: 'loop2' (000000006a5bd41c): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1804 audit(1551844201.604:53): pid=9961 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir231871353/syzkaller.3hVfMB/91/file0" dev="sda1" ino=16781 res=1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop4' (0000000070ad3d49): kobject_uevent_env kobject: 'loop4' (0000000070ad3d49): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (0000000070ad3d49): kobject_uevent_env kobject: 'loop4' (0000000070ad3d49): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000a974ae9c): kobject_uevent_env kobject: 'loop1' (00000000a974ae9c): fill_kobj_path: path = '/devices/virtual/block/loop1' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (0000000061b34690): kobject_uevent_env kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000006a5bd41c): kobject_uevent_env audit: type=1800 audit(1551844202.484:54): pid=9991 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="file0" dev="sda1" ino=16777 res=0 kobject: 'loop2' (000000006a5bd41c): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1804 audit(1551844202.504:55): pid=9991 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir231871353/syzkaller.3hVfMB/92/file0" dev="sda1" ino=16777 res=1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop4' (0000000070ad3d49): kobject_uevent_env kobject: 'loop4' (0000000070ad3d49): fill_kobj_path: path = '/devices/virtual/block/loop4' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (0000000061b34690): kobject_uevent_env kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000a974ae9c): kobject_uevent_env kobject: 'loop1' (00000000a974ae9c): fill_kobj_path: path = '/devices/virtual/block/loop1' audit: type=1800 audit(1551844203.344:56): pid=10018 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="file0" dev="sda1" ino=16792 res=0 kobject: 'loop2' (000000006a5bd41c): kobject_uevent_env kobject: 'loop2' (000000006a5bd41c): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1804 audit(1551844203.374:57): pid=10018 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir231871353/syzkaller.3hVfMB/93/file0" dev="sda1" ino=16792 res=1 kobject: 'loop1' (00000000a974ae9c): kobject_uevent_env kobject: 'loop1' (00000000a974ae9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (00000000a974ae9c): kobject_uevent_env kobject: 'loop1' (00000000a974ae9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (00000000a974ae9c): kobject_uevent_env kobject: 'loop1' (00000000a974ae9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000070ad3d49): kobject_uevent_env kobject: 'loop4' (0000000070ad3d49): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (0000000061b34690): kobject_uevent_env kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000006a5bd41c): kobject_uevent_env audit: type=1800 audit(1551844204.214:58): pid=10049 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="file0" dev="sda1" ino=16802 res=0 kobject: 'loop2' (000000006a5bd41c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (0000000061b34690): kobject_uevent_env kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1804 audit(1551844204.244:59): pid=10049 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir231871353/syzkaller.3hVfMB/94/file0" dev="sda1" ino=16802 res=1 audit: type=1800 audit(1551844204.314:60): pid=10059 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="file0" dev="sda1" ino=16802 res=0 kobject: 'loop5' (0000000061b34690): kobject_uevent_env kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1800 audit(1551844204.424:61): pid=10068 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="file0" dev="sda1" ino=16808 res=0 kobject: 'loop5' (0000000061b34690): kobject_uevent_env kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000070ad3d49): kobject_uevent_env kobject: 'loop4' (0000000070ad3d49): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000a974ae9c): kobject_uevent_env kobject: 'loop1' (00000000a974ae9c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000006a5bd41c): kobject_uevent_env kobject: 'loop2' (000000006a5bd41c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (0000000061b34690): kobject_uevent_env kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (0000000061b34690): kobject_uevent_env kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (0000000061b34690): kobject_uevent_env kobject: 'loop5' (0000000061b34690): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000070ad3d49): kobject_uevent_env kobject: 'loop4' (0000000070ad3d49): fill_kobj_path: path = '/devices/virtual/block/loop4'