====================================================== WARNING: possible circular locking dependency detected 4.20.0-rc6+ #152 Not tainted ------------------------------------------------------ kworker/0:3/6390 is trying to acquire lock: 00000000c3141369 (&mdev->req_queue_mutex){+.+.}, at: v4l2_release+0x1d7/0x3a0 drivers/media/v4l2-core/v4l2-dev.c:455 but task is already holding lock: 000000003999ed27 ((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 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 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 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 __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/0:3/6390: #0: 00000000461e9af4 ((wq_completion)"events"){+.+.}, at: __write_once_size include/linux/compiler.h:209 [inline] #0: 00000000461e9af4 ((wq_completion)"events"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 00000000461e9af4 ((wq_completion)"events"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 00000000461e9af4 ((wq_completion)"events"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 00000000461e9af4 ((wq_completion)"events"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 00000000461e9af4 ((wq_completion)"events"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 00000000461e9af4 ((wq_completion)"events"){+.+.}, at: process_one_work+0xb43/0x1c40 kernel/workqueue.c:2124 #1: 000000003999ed27 ((delayed_fput_work).work){+.+.}, at: process_one_work+0xb9a/0x1c40 kernel/workqueue.c:2128 stack backtrace: CPU: 0 PID: 6390 Comm: kworker/0:3 Not tainted 4.20.0-rc6+ #152 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 kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000009bc4dbd6): kobject_uevent_env kobject: 'loop2' (000000009bc4dbd6): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop4' (0000000010f89695): kobject_uevent_env kobject: 'loop4' (0000000010f89695): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000b4b86d13): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000b4b86d13): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000000bffe079): kobject_uevent_env kobject: 'loop5' (000000000bffe079): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000005d0a6757): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop3' (000000005d0a6757): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop0' (00000000b4b86d13): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000b4b86d13): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000000bffe079): kobject_uevent_env kobject: 'loop5' (000000000bffe079): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000009bc4dbd6): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop2' (000000009bc4dbd6): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (0000000010f89695): kobject_uevent_env kobject: 'loop4' (0000000010f89695): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (0000000010f89695): kobject_uevent_env kobject: 'loop4' (0000000010f89695): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000b4b86d13): kobject_uevent_env kobject: 'loop0' (00000000b4b86d13): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000009bc4dbd6): kobject_uevent_env kobject: 'loop2' (000000009bc4dbd6): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop3' (000000005d0a6757): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000005d0a6757): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (000000000bffe079): kobject_uevent_env kobject: 'loop5' (000000000bffe079): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000b4b86d13): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop0' (00000000b4b86d13): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop5' (000000000bffe079): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (000000000bffe079): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop2' (000000009bc4dbd6): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop2' (000000009bc4dbd6): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop3' (000000005d0a6757): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000005d0a6757): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop4' (0000000010f89695): kobject_uevent_env kobject: 'loop4' (0000000010f89695): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000b4b86d13): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop0' (00000000b4b86d13): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000000bffe079): kobject_uevent_env kobject: 'loop5' (000000000bffe079): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000005d0a6757): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000005d0a6757): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (0000000010f89695): kobject_uevent_env kobject: 'loop4' (0000000010f89695): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000005d0a6757): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop3' (000000005d0a6757): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop0' (00000000b4b86d13): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000b4b86d13): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000009bc4dbd6): kobject_uevent_env kobject: 'loop2' (000000009bc4dbd6): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000010f89695): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop4' (0000000010f89695): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000009bc4dbd6): kobject_uevent_env kobject: 'loop2' (000000009bc4dbd6): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000000bffe079): kobject_uevent_env kobject: 'loop5' (000000000bffe079): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000009bc4dbd6): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env cgroup: fork rejected by pids controller in /syz0 kobject: 'loop2' (000000009bc4dbd6): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (0000000010f89695): kobject_uevent_env kobject: 'loop4' (0000000010f89695): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop3' (000000005d0a6757): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000005d0a6757): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000010f89695): kobject_uevent_env kobject: 'loop4' (0000000010f89695): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000000bffe079): kobject_uevent_env kobject: 'loop5' (000000000bffe079): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000b4b86d13): kobject_uevent_env kobject: 'loop0' (00000000b4b86d13): fill_kobj_path: path = '/devices/virtual/block/loop0' ip6_tunnel: ip6tnl3 xmit: Local address not yet configured! ip6_tunnel: ip6tnl2 xmit: Local address not yet configured! kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000005d0a6757): kobject_uevent_env kobject: 'loop3' (000000005d0a6757): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000010f89695): kobject_uevent_env kobject: 'loop4' (0000000010f89695): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000005d0a6757): kobject_uevent_env kobject: 'loop3' (000000005d0a6757): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (000000005d0a6757): kobject_uevent_env kobject: 'loop3' (000000005d0a6757): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000010f89695): kobject_uevent_env kobject: 'loop4' (0000000010f89695): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000b4b86d13): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop0' (00000000b4b86d13): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (000000009bc4dbd6): kobject_uevent_env kobject: 'loop2' (000000009bc4dbd6): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (000000000bffe079): kobject_uevent_env kobject: 'loop5' (000000000bffe079): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (0000000010f89695): kobject_uevent_env kobject: 'loop4' (0000000010f89695): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000b4b86d13): kobject_uevent_env kobject: 'loop0' (00000000b4b86d13): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000005d0a6757): kobject_uevent_env ip6_tunnel: ip6tnl1 xmit: Local address not yet configured! kobject: 'loop3' (000000005d0a6757): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (000000000bffe079): kobject_uevent_env kobject: 'loop5' (000000000bffe079): fill_kobj_path: path = '/devices/virtual/block/loop5' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000b43c1afa [p=00000000861f04dc fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000547bf963 n=000000001c393b86 FS-Cache: O-key=[10] '02000200000002000000' FS-Cache: N-cookie c=00000000ed7c09bb [p=00000000861f04dc fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000547bf963 n=00000000da096252 FS-Cache: N-key=[10] '02000200000002000000' kobject: 'loop0' (00000000b4b86d13): kobject_uevent_env kobject: 'loop0' (00000000b4b86d13): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000005d0a6757): kobject_uevent_env kobject: 'loop3' (000000005d0a6757): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000010f89695): kobject_uevent_env kobject: 'loop4' (0000000010f89695): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000005d0a6757): kobject_uevent_env kobject: 'loop3' (000000005d0a6757): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000b4b86d13): kobject_uevent_env kobject: 'loop0' (00000000b4b86d13): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000009bc4dbd6): kobject_uevent_env kobject: 'loop2' (000000009bc4dbd6): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000010f89695): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop4' (0000000010f89695): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000f52bac13 [p=00000000861f04dc fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000547bf963 n=000000002eab87f7 FS-Cache: O-key=[10] '02000200000002000000' FS-Cache: N-cookie c=00000000862f335f [p=00000000861f04dc fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000547bf963 n=000000003f4631bc FS-Cache: N-key=[10] '02000200000002000000' kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000009bc4dbd6): kobject_uevent_env kobject: 'loop2' (000000009bc4dbd6): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000005d0a6757): kobject_uevent_env kobject: 'loop3' (000000005d0a6757): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000b4b86d13): kobject_uevent_env kobject: 'loop0' (00000000b4b86d13): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000009bc4dbd6): kobject_uevent_env kobject: 'loop2' (000000009bc4dbd6): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop5' (000000000bffe079): kobject_uevent_env kobject: 'loop5' (000000000bffe079): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000005d0a6757): kobject_uevent_env kobject: 'loop3' (000000005d0a6757): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000b4b86d13): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop0' (00000000b4b86d13): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'loop2' (000000009bc4dbd6): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (000000009bc4dbd6): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000f04bd485 [p=00000000861f04dc fl=222 nc=0 na=1] FS-Cache: O-cookie d=00000000547bf963 n=000000006387dba4 FS-Cache: O-key=[10] '02000200000002000000' FS-Cache: N-cookie c=00000000a61c40c9 [p=00000000861f04dc fl=2 nc=0 na=1] FS-Cache: N-cookie d=00000000547bf963 n=00000000077ce386 FS-Cache: N-key=[10] '02000200000002000000' kobject: 'loop5' (000000000bffe079): kobject_uevent_env kobject: 'loop5' (000000000bffe079): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000005ed58169): kobject_uevent_env kobject: 'loop1' (000000005ed58169): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): kobject_uevent_env kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000061633e18): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (000000009bc4dbd6): kobject_uevent_env kobject: 'loop2' (000000009bc4dbd6): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: '0:50' (0000000011fe8f0d): kobject_uevent_env kobject: '0:46' (00000000d57da3ac): kobject_uevent_env kobject: '0:50' (0000000011fe8f0d): fill_kobj_path: path = '/devices/virtual/bdi/0:50' kobject: '0:46' (00000000d57da3ac): fill_kobj_path: path = '/devices/virtual/bdi/0:46' kobject: '0:50' (0000000011fe8f0d): kobject_cleanup, parent (null) kobject: '0:46' (00000000d57da3ac): kobject_cleanup, parent (null) kobject: '0:46' (00000000d57da3ac): calling ktype release kobject: '0:50' (0000000011fe8f0d): calling ktype release kobject: '0:46': free name kobject: '0:50': free name kobject: '0:38' (00000000c787dee5): kobject_uevent_env kobject: '0:38' (00000000c787dee5): fill_kobj_path: path = '/devices/virtual/bdi/0:38' kobject: '0:38' (00000000c787dee5): kobject_cleanup, parent (null) kobject: '0:38' (00000000c787dee5): calling ktype release kobject: '0:38': free name kobject: '0:45' (00000000639bb27e): kobject_uevent_env kobject: '0:45' (00000000639bb27e): fill_kobj_path: path = '/devices/virtual/bdi/0:45' kobject: '0:45' (00000000639bb27e): kobject_cleanup, parent (null) kobject: '0:45' (00000000639bb27e): calling ktype release kobject: '0:45': free name kobject: 'rx-0' (0000000052a8e084): kobject_cleanup, parent 0000000022a5454a kobject: 'rx-0' (0000000052a8e084): auto cleanup 'remove' event kobject: 'rx-0' (0000000052a8e084): kobject_uevent_env kobject: 'rx-0' (0000000052a8e084): fill_kobj_path: path = '/devices/virtual/net/irla½/queues/rx-0' kobject: 'rx-0' (0000000052a8e084): auto cleanup kobject_del kobject: 'rx-0' (0000000052a8e084): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000b259c6fe): kobject_cleanup, parent 0000000022a5454a kobject: 'tx-0' (00000000b259c6fe): auto cleanup 'remove' event kobject: 'tx-0' (00000000b259c6fe): kobject_uevent_env kobject: 'tx-0' (00000000b259c6fe): fill_kobj_path: path = '/devices/virtual/net/irla½/queues/tx-0' kobject: 'tx-0' (00000000b259c6fe): auto cleanup kobject_del kobject: 'tx-0' (00000000b259c6fe): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000022a5454a): kobject_cleanup, parent (null) kobject: 'queues' (0000000022a5454a): calling ktype release kobject: 'queues' (0000000022a5454a): kset_release kobject: 'queues': free name kobject: 'irla½' (00000000b5a8ac96): kobject_uevent_env kobject: 'irla½' (00000000b5a8ac96): fill_kobj_path: path = '/devices/virtual/net/irla½' kobject: 'rx-0' (0000000057a325ec): kobject_cleanup, parent 00000000f2079d22 kobject: 'rx-0' (0000000057a325ec): auto cleanup 'remove' event kobject: 'rx-0' (0000000057a325ec): kobject_uevent_env kobject: 'rx-0' (0000000057a325ec): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/rx-0' kobject: 'rx-0' (0000000057a325ec): auto cleanup kobject_del kobject: 'rx-0' (0000000057a325ec): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000dafb301e): kobject_cleanup, parent 00000000f2079d22 kobject: 'tx-0' (00000000dafb301e): auto cleanup 'remove' event kobject: 'tx-0' (00000000dafb301e): kobject_uevent_env kobject: 'tx-0' (00000000dafb301e): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/tx-0' kobject: 'tx-0' (00000000dafb301e): auto cleanup kobject_del kobject: 'tx-0' (00000000dafb301e): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000f2079d22): kobject_cleanup, parent (null) kobject: 'queues' (00000000f2079d22): calling ktype release kobject: 'queues' (00000000f2079d22): kset_release kobject: 'queues': free name kobject: 'syz_tun' (00000000326299a7): kobject_uevent_env kobject: 'syz_tun' (00000000326299a7): fill_kobj_path: path = '/devices/virtual/net/syz_tun' kobject: 'rx-0' (000000001c1460b2): kobject_cleanup, parent 0000000078422dd9 kobject: 'rx-0' (000000001c1460b2): auto cleanup 'remove' event kobject: 'rx-0' (000000001c1460b2): kobject_uevent_env kobject: 'rx-0' (000000001c1460b2): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/rx-0' kobject: 'rx-0' (000000001c1460b2): auto cleanup kobject_del kobject: 'rx-0' (000000001c1460b2): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000039c1c39f): kobject_cleanup, parent 0000000078422dd9 kobject: 'tx-0' (0000000039c1c39f): auto cleanup 'remove' event kobject: 'tx-0' (0000000039c1c39f): kobject_uevent_env kobject: 'tx-0' (0000000039c1c39f): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/tx-0' kobject: 'tx-0' (0000000039c1c39f): auto cleanup kobject_del kobject: 'tx-0' (0000000039c1c39f): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000078422dd9): kobject_cleanup, parent (null) kobject: 'queues' (0000000078422dd9): calling ktype release kobject: 'queues' (0000000078422dd9): kset_release kobject: 'queues': free name kobject: 'syz_tun' (00000000930ebb02): kobject_uevent_env kobject: 'syz_tun' (00000000930ebb02): fill_kobj_path: path = '/devices/virtual/net/syz_tun' kobject: 'rx-0' (0000000048d60060): kobject_cleanup, parent 00000000c24a14a1 kobject: 'rx-0' (0000000048d60060): auto cleanup 'remove' event kobject: 'rx-0' (0000000048d60060): kobject_uevent_env kobject: 'rx-0' (0000000048d60060): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/rx-0' kobject: 'rx-0' (0000000048d60060): auto cleanup kobject_del kobject: 'rx-0' (0000000048d60060): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000001479659c): kobject_cleanup, parent 00000000c24a14a1 kobject: 'tx-0' (000000001479659c): auto cleanup 'remove' event kobject: 'tx-0' (000000001479659c): kobject_uevent_env kobject: 'tx-0' (000000001479659c): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/tx-0' kobject: 'tx-0' (000000001479659c): auto cleanup kobject_del kobject: 'tx-0' (000000001479659c): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000c24a14a1): kobject_cleanup, parent (null) kobject: 'queues' (00000000c24a14a1): calling ktype release kobject: 'queues' (00000000c24a14a1): kset_release kobject: 'queues': free name kobject: 'syz_tun' (00000000e3986f4b): kobject_uevent_env kobject: 'syz_tun' (00000000e3986f4b): fill_kobj_path: path = '/devices/virtual/net/syz_tun' kobject: 'rx-0' (00000000c495bc10): kobject_cleanup, parent 00000000e91fe396 kobject: 'rx-0' (00000000c495bc10): auto cleanup 'remove' event kobject: 'rx-0' (00000000c495bc10): kobject_uevent_env kobject: 'rx-0' (00000000c495bc10): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/rx-0' kobject: 'rx-0' (00000000c495bc10): auto cleanup kobject_del kobject: 'rx-0' (00000000c495bc10): calling ktype release