EXT4-fs (loop3): VFS: Can't find ext4 filesystem ====================================================== WARNING: possible circular locking dependency detected kobject: 'loop5' (000000007a1a9770): kobject_uevent_env 4.20.0-rc7+ #154 Not tainted ------------------------------------------------------ kworker/0:3/6258 is trying to acquire lock: 000000007123f6e5 (&mdev->req_queue_mutex){+.+.}, at: v4l2_release+0x1d7/0x3a0 drivers/media/v4l2-core/v4l2-dev.c:455 but task is already holding lock: kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' 00000000c6f5e32a ((delayed_fput_work).work){+.+.}, at: process_one_work+0xb9a/0x1c40 kernel/workqueue.c:2128 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 ((delayed_fput_work).work){+.+.}: process_one_work+0xc0a/0x1c40 kernel/workqueue.c:2129 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 -> #2 ((wq_completion)"events"){+.+.}: flush_workqueue+0x30a/0x1e10 kernel/workqueue.c:2655 flush_scheduled_work include/linux/workqueue.h:599 [inline] vim2m_stop_streaming+0x7c/0x2c0 drivers/media/platform/vim2m.c:811 __vb2_queue_cancel+0x14f/0xd50 drivers/media/common/videobuf2/videobuf2-core.c:1843 vb2_core_queue_release+0x26/0x80 drivers/media/common/videobuf2/videobuf2-core.c:2255 kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env vb2_queue_release+0x15/0x20 drivers/media/common/videobuf2/videobuf2-v4l2.c:842 v4l2_m2m_ctx_release+0x1e/0x35 drivers/media/v4l2-core/v4l2-mem2mem.c:930 vim2m_release+0xe6/0x150 drivers/media/platform/vim2m.c:977 kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' v4l2_release+0x224/0x3a0 drivers/media/v4l2-core/v4l2-dev.c:456 __fput+0x385/0xa30 fs/file_table.c:278 ____fput+0x15/0x20 fs/file_table.c:309 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x318/0x380 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #1 (&dev->dev_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x166/0x16f0 kernel/locking/mutex.c:1072 kobject: 'loop5' (000000007a1a9770): kobject_uevent_env mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 vim2m_release+0xbc/0x150 drivers/media/platform/vim2m.c:976 v4l2_release+0x224/0x3a0 drivers/media/v4l2-core/v4l2-dev.c:456 kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' __fput+0x385/0xa30 fs/file_table.c:278 ____fput+0x15/0x20 fs/file_table.c:309 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x318/0x380 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&mdev->req_queue_mutex){+.+.}: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x166/0x16f0 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 v4l2_release+0x1d7/0x3a0 drivers/media/v4l2-core/v4l2-dev.c:455 __fput+0x385/0xa30 fs/file_table.c:278 delayed_fput+0x55/0x80 fs/file_table.c:304 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 other info that might help us debug this: Chain exists of: &mdev->req_queue_mutex --> (wq_completion)"events" --> (delayed_fput_work).work Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock((delayed_fput_work).work); lock((wq_completion)"events"); lock((delayed_fput_work).work); lock(&mdev->req_queue_mutex); *** DEADLOCK *** 2 locks held by kworker/0:3/6258: #0: 000000006d9c712d ((wq_completion)"events"){+.+.}, at: __write_once_size include/linux/compiler.h:209 [inline] #0: 000000006d9c712d ((wq_completion)"events"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 000000006d9c712d ((wq_completion)"events"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 000000006d9c712d ((wq_completion)"events"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 000000006d9c712d ((wq_completion)"events"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 000000006d9c712d ((wq_completion)"events"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 000000006d9c712d ((wq_completion)"events"){+.+.}, at: process_one_work+0xb43/0x1c40 kernel/workqueue.c:2124 #1: 00000000c6f5e32a ((delayed_fput_work).work){+.+.}, at: process_one_work+0xb9a/0x1c40 kernel/workqueue.c:2128 stack backtrace: CPU: 0 PID: 6258 Comm: kworker/0:3 Not tainted 4.20.0-rc7+ #154 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events delayed_fput Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 print_circular_bug.isra.35.cold.54+0x1bd/0x27d kernel/locking/lockdep.c:1221 check_prev_add kernel/locking/lockdep.c:1863 [inline] check_prevs_add kernel/locking/lockdep.c:1976 [inline] validate_chain kernel/locking/lockdep.c:2347 [inline] __lock_acquire+0x3399/0x4c20 kernel/locking/lockdep.c:3341 lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x166/0x16f0 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 v4l2_release+0x1d7/0x3a0 drivers/media/v4l2-core/v4l2-dev.c:455 __fput+0x385/0xa30 fs/file_table.c:278 delayed_fput+0x55/0x80 fs/file_table.c:304 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 : renamed from bpq0 kobject: 'bpq0' (00000000212cadef): fill_kobj_path: path = '/devices/virtual/net/bpq0' block nbd0: Receive control failed (result -22) kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'nbd0' (0000000071843dad): kobject_uevent_env kobject: '' (00000000212cadef): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'nbd0' (0000000071843dad): fill_kobj_path: path = '/devices/virtual/block/nbd0' kobject: '' (00000000212cadef): fill_kobj_path: path = '/devices/virtual/net/' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (00000000967eb91f): kobject_uevent_env block nbd0: Device being setup by another task kobject: 'kvm' (00000000967eb91f): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' block nbd0: shutting down sockets kobject: 'bpq0' (00000000539c887d): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'bpq0' (00000000539c887d): kobject_uevent_env kobject: 'bpq0' (00000000539c887d): fill_kobj_path: path = '/devices/virtual/net/bpq0' kobject: 'queues' (00000000bb594e85): kobject_add_internal: parent: 'bpq0', set: '' kobject: 'queues' (00000000bb594e85): kobject_uevent_env kobject: 'queues' (00000000bb594e85): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000e9ae4007): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000e9ae4007): kobject_uevent_env kobject: 'rx-0' (00000000e9ae4007): fill_kobj_path: path = '/devices/virtual/net/bpq0/queues/rx-0' kobject: 'tx-0' (00000000849483f0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000849483f0): kobject_uevent_env kobject: 'tx-0' (00000000849483f0): fill_kobj_path: path = '/devices/virtual/net/bpq0/queues/tx-0' kobject: 'rx-0' (000000005b22bf3a): kobject_cleanup, parent 000000007bbcc9c2 kobject: 'kvm' (00000000967eb91f): kobject_uevent_env kobject: 'rx-0' (000000005b22bf3a): auto cleanup 'remove' event kobject: 'rx-0' (000000005b22bf3a): kobject_uevent_env kobject: 'rx-0' (000000005b22bf3a): fill_kobj_path: path = '/devices/virtual/net//queues/rx-0' kobject: 'rx-0' (000000005b22bf3a): auto cleanup kobject_del kobject: 'rx-0' (000000005b22bf3a): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000002db26702): kobject_cleanup, parent 000000007bbcc9c2 kobject: 'tx-0' (000000002db26702): auto cleanup 'remove' event kobject: 'tx-0' (000000002db26702): kobject_uevent_env kobject: 'kvm' (00000000967eb91f): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'tx-0' (000000002db26702): fill_kobj_path: path = '/devices/virtual/net//queues/tx-0' kobject: 'tx-0' (000000002db26702): auto cleanup kobject_del kobject: 'kvm' (00000000967eb91f): kobject_uevent_env kobject: 'tx-0' (000000002db26702): calling ktype release kobject: 'kvm' (00000000967eb91f): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'tx-0': free name kobject: 'queues' (000000007bbcc9c2): kobject_cleanup, parent (null) kobject: 'queues' (000000007bbcc9c2): calling ktype release kobject: 'queues' (000000007bbcc9c2): kset_release kobject: 'queues': free name kobject: '' (00000000212cadef): kobject_uevent_env kobject: '' (00000000212cadef): fill_kobj_path: path = '/devices/virtual/net/' kobject: 'kvm' (00000000967eb91f): kobject_uevent_env kobject: 'kvm' (00000000967eb91f): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '' (00000000212cadef): kobject_cleanup, parent (null) kobject: '' (00000000212cadef): calling ktype release kobject: '': free name kobject: 'rx-0' (00000000e9ae4007): kobject_cleanup, parent 00000000bb594e85 kobject: 'rx-0' (00000000e9ae4007): auto cleanup 'remove' event kobject: 'rx-0' (00000000e9ae4007): kobject_uevent_env kobject: 'rx-0' (00000000e9ae4007): fill_kobj_path: path = '/devices/virtual/net/bpq0/queues/rx-0' kobject: 'rx-0' (00000000e9ae4007): auto cleanup kobject_del kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'rx-0' (00000000e9ae4007): calling ktype release kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0': free name kobject: 'tx-0' (00000000849483f0): kobject_cleanup, parent 00000000bb594e85 kobject: 'tx-0' (00000000849483f0): auto cleanup 'remove' event kobject: 'tx-0' (00000000849483f0): kobject_uevent_env kobject: 'tx-0' (00000000849483f0): fill_kobj_path: path = '/devices/virtual/net/bpq0/queues/tx-0' kobject: 'tx-0' (00000000849483f0): auto cleanup kobject_del kobject: 'tx-0' (00000000849483f0): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000bb594e85): kobject_cleanup, parent (null) kobject: 'queues' (00000000bb594e85): calling ktype release kobject: 'queues' (00000000bb594e85): kset_release kobject: 'queues': free name kobject: 'bpq0' (00000000539c887d): kobject_uevent_env kobject: 'bpq0' (00000000539c887d): fill_kobj_path: path = '/devices/virtual/net/bpq0' kobject: 'bpq0' (00000000539c887d): kobject_cleanup, parent (null) kobject: 'bpq0' (00000000539c887d): calling ktype release kobject: 'bpq0': free name kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' block nbd0: Receive control failed (result -22) kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'nbd0' (0000000071843dad): kobject_uevent_env capability: warning: `syz-executor1' uses 32-bit capabilities (legacy support in use) kobject: 'kvm' (00000000967eb91f): kobject_uevent_env kobject: 'nbd0' (0000000071843dad): fill_kobj_path: path = '/devices/virtual/block/nbd0' kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env block nbd0: Device being setup by another task kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000967eb91f): fill_kobj_path: path = '/devices/virtual/misc/kvm' EXT4-fs (loop3): VFS: Can't find ext4 filesystem kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' block nbd0: Device being setup by another task kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000967eb91f): kobject_uevent_env block nbd0: Device being setup by another task kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000967eb91f): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' block nbd0: Device being setup by another task kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000007a1a9770): kobject_uevent_env block nbd0: shutting down sockets kobject: 'kvm' (00000000967eb91f): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'kvm' (00000000967eb91f): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' block nbd0: Receive control failed (result -22) kobject: 'nbd0' (0000000071843dad): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'kvm' (00000000967eb91f): kobject_uevent_env kobject: 'nbd0' (0000000071843dad): fill_kobj_path: path = '/devices/virtual/block/nbd0' EXT4-fs (loop3): VFS: Can't find ext4 filesystem kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000967eb91f): fill_kobj_path: path = '/devices/virtual/misc/kvm' block nbd0: Device being setup by another task kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' block nbd0: shutting down sockets kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'kvm' (00000000967eb91f): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000967eb91f): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (00000000967eb91f): kobject_uevent_env kobject: 'kvm' (00000000967eb91f): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env EXT4-fs (loop3): VFS: Can't find ext4 filesystem kobject: 'nbd0' (0000000071843dad): kobject_uevent_env block nbd0: Receive control failed (result -22) kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'nbd0' (0000000071843dad): fill_kobj_path: path = '/devices/virtual/block/nbd0' kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' block nbd0: shutting down sockets kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'nbd0' (0000000071843dad): kobject_uevent_env block nbd0: Receive control failed (result -22) kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'nbd0' (0000000071843dad): fill_kobj_path: path = '/devices/virtual/block/nbd0' kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' EXT4-fs (loop3): VFS: Can't find ext4 filesystem kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' block nbd0: shutting down sockets kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' EXT4-fs (loop3): VFS: Can't find ext4 filesystem kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'nbd0' (0000000071843dad): kobject_uevent_env block nbd0: Receive control failed (result -22) kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'nbd0' (0000000071843dad): fill_kobj_path: path = '/devices/virtual/block/nbd0' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env block nbd0: shutting down sockets kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' block nbd0: Receive control failed (result -22) kobject: 'nbd0' (0000000071843dad): kobject_uevent_env EXT4-fs (loop3): VFS: Can't find ext4 filesystem kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'nbd0' (0000000071843dad): fill_kobj_path: path = '/devices/virtual/block/nbd0' kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env block nbd0: shutting down sockets kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): kobject_uevent_env block nbd0: shutting down sockets kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003130adc6): kobject_uevent_env EXT4-fs (loop3): VFS: Can't find ext4 filesystem kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' block nbd0: shutting down sockets kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' EXT4-fs (loop3): VFS: Can't find ext4 filesystem kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' block nbd0: Receive control failed (result -22) kobject: 'nbd0' (0000000071843dad): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'nbd0' (0000000071843dad): fill_kobj_path: path = '/devices/virtual/block/nbd0' kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env block nbd0: shutting down sockets kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env block nbd0: Receive control failed (result -22) kobject: 'nbd0' (0000000071843dad): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'nbd0' (0000000071843dad): fill_kobj_path: path = '/devices/virtual/block/nbd0' kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' block nbd0: shutting down sockets EXT4-fs (loop3): VFS: Can't find ext4 filesystem kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env EXT4-fs (loop3): VFS: Can't find ext4 filesystem kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' EXT4-fs (loop3): VFS: Can't find ext4 filesystem kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' EXT4-fs (loop3): VFS: Can't find ext4 filesystem kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' EXT4-fs (loop3): VFS: Can't find ext4 filesystem kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env EXT4-fs (loop3): VFS: Can't find ext4 filesystem kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env EXT4-fs (loop3): VFS: Can't find ext4 filesystem kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000003130adc6): kobject_uevent_env EXT4-fs (loop3): mounting ext2 file system using the ext4 subsystem kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' EXT4-fs (loop3): invalid inodes per group: 3221241856 kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' EXT4-fs (loop3): mounting ext2 file system using the ext4 subsystem kobject: 'loop5' (000000007a1a9770): kobject_uevent_env EXT4-fs (loop3): invalid inodes per group: 3221241856 kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env EXT4-fs (loop3): mounting ext2 file system using the ext4 subsystem kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' EXT4-fs (loop3): invalid inodes per group: 3221241856 kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' EXT4-fs (loop3): mounting ext2 file system using the ext4 subsystem kobject: 'loop3' (0000000068462fbb): kobject_uevent_env EXT4-fs (loop3): invalid inodes per group: 3221241856 kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'nbd0' (0000000071843dad): kobject_uevent_env block nbd0: Receive control failed (result -22) kobject: 'nbd0' (0000000071843dad): fill_kobj_path: path = '/devices/virtual/block/nbd0' kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' block nbd0: shutting down sockets kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'nbd0' (0000000071843dad): kobject_uevent_env block nbd0: Receive control failed (result -22) kobject: 'nbd0' (0000000071843dad): fill_kobj_path: path = '/devices/virtual/block/nbd0' kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env block nbd0: shutting down sockets EXT4-fs (loop3): mounting ext2 file system using the ext4 subsystem kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' EXT4-fs (loop3): invalid inodes per group: 3221241856 kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env CPU: 0 PID: 9197 Comm: syz-executor2 Not tainted 4.20.0-rc7+ #154 kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 kobject: 'loop5' (000000007a1a9770): kobject_uevent_env fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000003130adc6): kobject_uevent_env __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1578 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2d7/0x750 mm/slab.c:3618 kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kmalloc include/linux/slab.h:546 [inline] kzalloc include/linux/slab.h:741 [inline] tcp_sendmsg_fastopen net/ipv4/tcp.c:1144 [inline] tcp_sendmsg_locked+0x29ad/0x3fa0 net/ipv4/tcp.c:1208 kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' tcp_sendmsg+0x2f/0x50 net/ipv4/tcp.c:1443 kobject: 'loop3' (0000000068462fbb): kobject_uevent_env inet_sendmsg+0x1a1/0x690 net/ipv4/af_inet.c:798 kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000007a1a9770): kobject_uevent_env sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 __sys_sendto+0x3d7/0x670 net/socket.c:1788 kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env __do_sys_sendto net/socket.c:1800 [inline] __se_sys_sendto net/socket.c:1796 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1796 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003130adc6): kobject_uevent_env entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' RIP: 0033:0x457669 Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fdd93e24c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fdd93e24c90 RCX: 0000000000457669 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env R10: 00000000200408d6 R11: 0000000000000246 R12: 00007fdd93e256d4 R13: 00000000004c4502 R14: 00000000004d7538 R15: 0000000000000004 kobject: 'nbd0' (0000000071843dad): kobject_uevent_env block nbd0: Receive control failed (result -22) kobject: 'nbd0' (0000000071843dad): fill_kobj_path: path = '/devices/virtual/block/nbd0' kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env block nbd0: shutting down sockets kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' EXT4-fs (loop3): mounting ext2 file system using the ext4 subsystem EXT4-fs (loop3): invalid inodes per group: 3221241856 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9229 Comm: syz-executor4 Not tainted 4.20.0-rc7+ #154 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1578 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2d7/0x750 mm/slab.c:3618 kmalloc include/linux/slab.h:546 [inline] tcp_md5_do_add+0x4d4/0x6d0 net/ipv4/tcp_ipv4.c:1074 tcp_v6_parse_md5_keys+0x3a3/0x5b0 net/ipv6/tcp_ipv6.c:576 do_tcp_setsockopt.isra.42+0x121c/0x2780 net/ipv4/tcp.c:2993 tcp_setsockopt+0xc1/0xe0 net/ipv4/tcp.c:3074 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2978 __sys_setsockopt+0x1ba/0x3c0 net/socket.c:1902 kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' __do_sys_setsockopt net/socket.c:1913 [inline] __se_sys_setsockopt net/socket.c:1910 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457669 Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f4a64819c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env RAX: ffffffffffffffda RBX: 00007f4a64819c90 RCX: 0000000000457669 RDX: 000000000000000e RSI: 0000000000000006 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 00000000000000d8 R09: 0000000000000000 R10: 00000000200006c0 R11: 0000000000000246 R12: 00007f4a6481a6d4 R13: 00000000004cae40 R14: 00000000004d7fd0 R15: 0000000000000004 kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' CPU: 1 PID: 9245 Comm: syz-executor4 Not tainted 4.20.0-rc7+ #154 kobject: 'loop3' (0000000068462fbb): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop3' (0000000068462fbb): kobject_uevent_env Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1578 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] __do_kmalloc mm/slab.c:3720 [inline] __kmalloc+0x2e0/0x760 mm/slab.c:3731 kmalloc include/linux/slab.h:551 [inline] sock_kmalloc+0x15a/0x1f0 net/core/sock.c:1984 tcp_md5_do_add+0x1bf/0x6d0 net/ipv4/tcp_ipv4.c:1083 tcp_v6_parse_md5_keys+0x3a3/0x5b0 net/ipv6/tcp_ipv6.c:576 do_tcp_setsockopt.isra.42+0x121c/0x2780 net/ipv4/tcp.c:2993 tcp_setsockopt+0xc1/0xe0 net/ipv4/tcp.c:3074 sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2978 __sys_setsockopt+0x1ba/0x3c0 net/socket.c:1902 __do_sys_setsockopt net/socket.c:1913 [inline] __se_sys_setsockopt net/socket.c:1910 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457669 Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f4a64819c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f4a64819c90 RCX: 0000000000457669 RDX: 000000000000000e RSI: 0000000000000006 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 00000000000000d8 R09: 0000000000000000 R10: 00000000200006c0 R11: 0000000000000246 R12: 00007f4a6481a6d4 R13: 00000000004cae40 R14: 00000000004d7fd0 R15: 0000000000000004 EXT4-fs (loop3): VFS: Can't find ext4 filesystem kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env EXT4-fs (loop3): VFS: Can't find ext4 filesystem kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000003130adc6): kobject_uevent_env kobject: 'loop1' (000000003130adc6): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' EXT4-fs (loop3): VFS: Can't find ext4 filesystem kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000068462fbb): kobject_uevent_env kobject: 'loop3' (0000000068462fbb): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000007a1a9770): kobject_uevent_env kobject: 'loop5' (000000007a1a9770): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000002d10fbc1): kobject_uevent_env kobject: 'loop2' (000000002d10fbc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000ef336a5e): kobject_uevent_env kobject: 'loop4' (00000000ef336a5e): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000002bcf09e3): kobject_uevent_env kobject: 'loop0' (000000002bcf09e3): fill_kobj_path: path = '/devices/virtual/block/loop0'