======================================================
WARNING: possible circular locking dependency detected
5.0.0-rc6+ #75 Not tainted
------------------------------------------------------
kworker/1:1/7349 is trying to acquire lock:
000000004e19b777 (&sb->s_type->i_mutex_key#10){++++}, at: inode_lock include/linux/fs.h:757 [inline]
000000004e19b777 (&sb->s_type->i_mutex_key#10){++++}, at: __generic_file_fsync+0xb5/0x200 fs/libfs.c:981

but task is already holding lock:
00000000c1cd5a0a ((work_completion)(&dio->complete_work)){+.+.}, at: process_one_work+0x8b4/0x1790 kernel/workqueue.c:2148

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #2 ((work_completion)(&dio->complete_work)){+.+.}:
       process_one_work+0x90f/0x1790 kernel/workqueue.c:2149
       worker_thread+0x98/0xe40 kernel/workqueue.c:2319
       kthread+0x357/0x430 kernel/kthread.c:246
       ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352

-> #1 ((wq_completion)"dio/%s"sb->s_id){+.+.}:
       flush_workqueue+0x126/0x14c0 kernel/workqueue.c:2678
       drain_workqueue+0x1b4/0x470 kernel/workqueue.c:2843
       destroy_workqueue+0x21/0x6f0 kernel/workqueue.c:4178
       __alloc_workqueue_key+0xbe9/0xe00 kernel/workqueue.c:4161
       sb_init_dio_done_wq+0x39/0x90 fs/direct-io.c:623
       do_blockdev_direct_IO+0x2a3e/0x8db0 fs/direct-io.c:1286
       __blockdev_direct_IO+0xa1/0xca fs/direct-io.c:1420
       ext4_direct_IO_write fs/ext4/inode.c:3775 [inline]
       ext4_direct_IO+0xe6c/0x1c10 fs/ext4/inode.c:3902
       generic_file_direct_write+0x214/0x4b0 mm/filemap.c:3111
       __generic_file_write_iter+0x2ee/0x630 mm/filemap.c:3290
       ext4_file_write_iter+0x33f/0x1160 fs/ext4/file.c:266
       call_write_iter include/linux/fs.h:1863 [inline]
       aio_write+0x358/0x570 fs/aio.c:1582
       __io_submit_one fs/aio.c:1861 [inline]
       io_submit_one+0x10ea/0x1cf0 fs/aio.c:1909
       __do_sys_io_submit fs/aio.c:1954 [inline]
       __se_sys_io_submit fs/aio.c:1924 [inline]
       __x64_sys_io_submit+0x1bd/0x580 fs/aio.c:1924
       do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
       entry_SYSCALL_64_after_hwframe+0x49/0xbe

-> #0 (&sb->s_type->i_mutex_key#10){++++}:
       lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841
       down_write+0x38/0x90 kernel/locking/rwsem.c:70
       inode_lock include/linux/fs.h:757 [inline]
       __generic_file_fsync+0xb5/0x200 fs/libfs.c:981
       ext4_sync_file+0x867/0x14d0 fs/ext4/fsync.c:120
       vfs_fsync_range+0x144/0x230 fs/sync.c:197
       generic_write_sync include/linux/fs.h:2787 [inline]
       dio_complete+0x498/0x9f0 fs/direct-io.c:329
       dio_aio_complete_work+0x20/0x30 fs/direct-io.c:341
       process_one_work+0x98e/0x1790 kernel/workqueue.c:2173
       worker_thread+0x98/0xe40 kernel/workqueue.c:2319
       kthread+0x357/0x430 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:
  &sb->s_type->i_mutex_key#10 --> (wq_completion)"dio/%s"sb->s_id --> (work_completion)(&dio->complete_work)

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock((work_completion)(&dio->complete_work));
                               lock((wq_completion)"dio/%s"sb->s_id);
                               lock((work_completion)(&dio->complete_work));
  lock(&sb->s_type->i_mutex_key#10);

 *** DEADLOCK ***

2 locks held by kworker/1:1/7349:
 #0: 00000000229fb722 ((wq_completion)"dio/%s"sb->s_id){+.+.}, at: __write_once_size include/linux/compiler.h:220 [inline]
 #0: 00000000229fb722 ((wq_completion)"dio/%s"sb->s_id){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: 00000000229fb722 ((wq_completion)"dio/%s"sb->s_id){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline]
 #0: 00000000229fb722 ((wq_completion)"dio/%s"sb->s_id){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline]
 #0: 00000000229fb722 ((wq_completion)"dio/%s"sb->s_id){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline]
 #0: 00000000229fb722 ((wq_completion)"dio/%s"sb->s_id){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline]
 #0: 00000000229fb722 ((wq_completion)"dio/%s"sb->s_id){+.+.}, at: process_one_work+0x87e/0x1790 kernel/workqueue.c:2144
 #1: 00000000c1cd5a0a ((work_completion)(&dio->complete_work)){+.+.}, at: process_one_work+0x8b4/0x1790 kernel/workqueue.c:2148

stack backtrace:
CPU: 1 PID: 7349 Comm: kworker/1:1 Not tainted 5.0.0-rc6+ #75
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: dio/sda1 dio_aio_complete_work
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
 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
 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841
 down_write+0x38/0x90 kernel/locking/rwsem.c:70
 inode_lock include/linux/fs.h:757 [inline]
 __generic_file_fsync+0xb5/0x200 fs/libfs.c:981
 ext4_sync_file+0x867/0x14d0 fs/ext4/fsync.c:120
 vfs_fsync_range+0x144/0x230 fs/sync.c:197
 generic_write_sync include/linux/fs.h:2787 [inline]
 dio_complete+0x498/0x9f0 fs/direct-io.c:329
 dio_aio_complete_work+0x20/0x30 fs/direct-io.c:341
 process_one_work+0x98e/0x1790 kernel/workqueue.c:2173
 worker_thread+0x98/0xe40 kernel/workqueue.c:2319
 kthread+0x357/0x430 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
kobject: 'loop5' (00000000de944add): kobject_uevent_env
kobject: 'þ€' (00000000a22d9822): kobject_cleanup, parent           (null)
kobject: 'loop5' (00000000de944add): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop5' (00000000de944add): kobject_uevent_env
kobject: 'þ€' (00000000a22d9822): calling ktype release
kobject: 'loop5' (00000000de944add): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (0000000011ac09a9): kobject_uevent_env
kobject: 'loop0' (0000000011ac09a9): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (0000000011ac09a9): kobject_uevent_env
kobject: 'loop0' (0000000011ac09a9): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'nullb0' (000000002344f756): kobject_uevent_env
kobject: 'loop0' (0000000011ac09a9): kobject_uevent_env
kobject: 'nullb0' (000000002344f756): fill_kobj_path: path = '/devices/virtual/block/nullb0'
kobject: 'loop0' (0000000011ac09a9): fill_kobj_path: path = '/devices/virtual/block/loop0'
print_req_error: 635 callbacks suppressed
print_req_error: I/O error, dev loop0, sector 0 flags 400809
kobject: 'þ€': free name
print_req_error: I/O error, dev loop0, sector 0 flags 4001
netlink: 26 bytes leftover after parsing attributes in process `syz-executor.4'.
kobject: 'loop4' (00000000dd37a894): kobject_uevent_env
kobject: 'loop4' (00000000dd37a894): fill_kobj_path: path = '/devices/virtual/block/loop4'
netlink: 26 bytes leftover after parsing attributes in process `syz-executor.4'.
print_req_error: I/O error, dev loop0, sector 1024 flags 4001
kobject: 'loop2' (00000000dc465888): kobject_uevent_env
kobject: 'loop2' (00000000dc465888): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (00000000de944add): kobject_uevent_env
kobject: 'loop5' (00000000de944add): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (00000000dd37a894): kobject_uevent_env
netlink: 26 bytes leftover after parsing attributes in process `syz-executor.4'.
kobject: 'loop4' (00000000dd37a894): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (0000000011ac09a9): kobject_uevent_env
kobject: 'loop0' (0000000011ac09a9): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (00000000dc465888): kobject_uevent_env
kobject: 'loop2' (00000000dc465888): fill_kobj_path: path = '/devices/virtual/block/loop2'
netlink: 26 bytes leftover after parsing attributes in process `syz-executor.4'.
kobject: 'loop5' (00000000de944add): kobject_uevent_env
kobject: 'loop5' (00000000de944add): fill_kobj_path: path = '/devices/virtual/block/loop5'
netlink: 26 bytes leftover after parsing attributes in process `syz-executor.5'.
kobject: 'loop4' (00000000dd37a894): kobject_uevent_env
kobject: 'loop4' (00000000dd37a894): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000de944add): kobject_uevent_env
kobject: 'loop5' (00000000de944add): fill_kobj_path: path = '/devices/virtual/block/loop5'
netlink: 26 bytes leftover after parsing attributes in process `syz-executor.4'.
kobject: 'loop0' (0000000011ac09a9): kobject_uevent_env
kobject: 'loop0' (0000000011ac09a9): fill_kobj_path: path = '/devices/virtual/block/loop0'
netlink: 26 bytes leftover after parsing attributes in process `syz-executor.5'.
kobject: 'loop2' (00000000dc465888): kobject_uevent_env
kobject: 'loop2' (00000000dc465888): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (00000000dd37a894): kobject_uevent_env
kobject: 'loop4' (00000000dd37a894): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000de944add): kobject_uevent_env
kobject: 'loop5' (00000000de944add): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'rx-0' (00000000f2871925): kobject_cleanup, parent 000000008df4ad8d
kobject: 'rx-0' (00000000f2871925): auto cleanup 'remove' event
kobject: 'rx-0' (00000000f2871925): kobject_uevent_env
kobject: 'rx-0' (00000000f2871925): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000f2871925): auto cleanup kobject_del
kobject: 'rx-0' (00000000f2871925): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (000000004c58ac0b): kobject_cleanup, parent 000000008df4ad8d
kobject: 'tx-0' (000000004c58ac0b): auto cleanup 'remove' event
kobject: 'tx-0' (000000004c58ac0b): kobject_uevent_env
kobject: 'tx-0' (000000004c58ac0b): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (000000004c58ac0b): auto cleanup kobject_del
kobject: 'tx-0' (000000004c58ac0b): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (000000008df4ad8d): kobject_cleanup, parent           (null)
kobject: 'queues' (000000008df4ad8d): calling ktype release
kobject: 'queues' (000000008df4ad8d): kset_release
kobject: 'queues': free name
kobject: 'ip6gre0' (000000009a047baf): kobject_uevent_env
kobject: 'ip6gre0' (000000009a047baf): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip6gre0' (000000009a047baf): kobject_cleanup, parent           (null)
kobject: 'ip6gre0' (000000009a047baf): auto cleanup 'remove' event
kobject: 'ip6gre0' (000000009a047baf): kobject_uevent_env
kobject: 'ip6gre0' (000000009a047baf): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip6gre0' (000000009a047baf): calling ktype release
kobject: 'ip6gre0': free name
kobject: 'rx-0' (00000000fa728a0a): kobject_cleanup, parent 00000000cc28b503
kobject: 'rx-0' (00000000fa728a0a): auto cleanup 'remove' event
kobject: 'rx-0' (00000000fa728a0a): kobject_uevent_env
kobject: 'rx-0' (00000000fa728a0a): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000fa728a0a): auto cleanup kobject_del
kobject: 'rx-0' (00000000fa728a0a): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (0000000082a623ea): kobject_cleanup, parent 00000000cc28b503
kobject: 'tx-0' (0000000082a623ea): auto cleanup 'remove' event
kobject: 'tx-0' (0000000082a623ea): kobject_uevent_env
kobject: 'tx-0' (0000000082a623ea): kobject_uevent_env: uevent_suppress caused the event to drop!
net_ratelimit: 34 callbacks suppressed
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'tx-0' (0000000082a623ea): auto cleanup kobject_del
kobject: 'tx-0' (0000000082a623ea): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (00000000cc28b503): kobject_cleanup, parent           (null)
kobject: 'queues' (00000000cc28b503): calling ktype release
kobject: 'queues' (00000000cc28b503): kset_release
kobject: 'queues': free name
kobject: 'ip6tnl0' (00000000a6bde8c4): kobject_uevent_env
kobject: 'ip6tnl0' (00000000a6bde8c4): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip6tnl0' (00000000a6bde8c4): kobject_cleanup, parent           (null)
kobject: 'ip6tnl0' (00000000a6bde8c4): auto cleanup 'remove' event
kobject: 'ip6tnl0' (00000000a6bde8c4): kobject_uevent_env
kobject: 'ip6tnl0' (00000000a6bde8c4): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip6tnl0' (00000000a6bde8c4): calling ktype release
kobject: 'ip6tnl0': free name
kobject: 'rx-0' (00000000c8ab70bd): kobject_cleanup, parent 00000000cd5727dd
kobject: 'rx-0' (00000000c8ab70bd): auto cleanup 'remove' event
kobject: 'rx-0' (00000000c8ab70bd): kobject_uevent_env
kobject: 'rx-0' (00000000c8ab70bd): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000c8ab70bd): auto cleanup kobject_del
kobject: 'rx-0' (00000000c8ab70bd): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (000000002e486e53): kobject_cleanup, parent 00000000cd5727dd
kobject: 'tx-0' (000000002e486e53): auto cleanup 'remove' event
kobject: 'tx-0' (000000002e486e53): kobject_uevent_env
kobject: 'tx-0' (000000002e486e53): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (000000002e486e53): auto cleanup kobject_del
kobject: 'tx-0' (000000002e486e53): calling ktype release
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'tx-0': free name
kobject: 'queues' (00000000cd5727dd): kobject_cleanup, parent           (null)
kobject: 'queues' (00000000cd5727dd): calling ktype release
kobject: 'queues' (00000000cd5727dd): kset_release
kobject: 'queues': free name
kobject: 'sit0' (0000000009a707c2): kobject_uevent_env
kobject: 'sit0' (0000000009a707c2): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'sit0' (0000000009a707c2): kobject_cleanup, parent           (null)
kobject: 'sit0' (0000000009a707c2): auto cleanup 'remove' event
kobject: 'sit0' (0000000009a707c2): kobject_uevent_env
kobject: 'sit0' (0000000009a707c2): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'sit0' (0000000009a707c2): calling ktype release
kobject: 'sit0': free name
kobject: 'rx-0' (00000000eca77e5e): kobject_cleanup, parent 000000004a2df35d
kobject: 'rx-0' (00000000eca77e5e): auto cleanup 'remove' event
kobject: 'rx-0' (00000000eca77e5e): kobject_uevent_env
kobject: 'rx-0' (00000000eca77e5e): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000eca77e5e): auto cleanup kobject_del
kobject: 'rx-0' (00000000eca77e5e): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000a3d96524): kobject_cleanup, parent 000000004a2df35d
kobject: 'tx-0' (00000000a3d96524): auto cleanup 'remove' event
kobject: 'tx-0' (00000000a3d96524): kobject_uevent_env
kobject: 'tx-0' (00000000a3d96524): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (00000000a3d96524): auto cleanup kobject_del
kobject: 'tx-0' (00000000a3d96524): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (000000004a2df35d): kobject_cleanup, parent           (null)
kobject: 'queues' (000000004a2df35d): calling ktype release
kobject: 'queues' (000000004a2df35d): kset_release
kobject: 'queues': free name
kobject: 'ip6_vti0' (00000000b3598d50): kobject_uevent_env
kobject: 'ip6_vti0' (00000000b3598d50): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip6_vti0' (00000000b3598d50): kobject_cleanup, parent           (null)
kobject: 'ip6_vti0' (00000000b3598d50): auto cleanup 'remove' event
kobject: 'ip6_vti0' (00000000b3598d50): kobject_uevent_env
kobject: 'ip6_vti0' (00000000b3598d50): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip6_vti0' (00000000b3598d50): calling ktype release
kobject: 'ip6_vti0': free name
kobject: 'rx-0' (000000003a9113fc): kobject_cleanup, parent 00000000b903c629
kobject: 'rx-0' (000000003a9113fc): auto cleanup 'remove' event
kobject: 'rx-0' (000000003a9113fc): kobject_uevent_env
kobject: 'rx-0' (000000003a9113fc): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (000000003a9113fc): auto cleanup kobject_del
kobject: 'rx-0' (000000003a9113fc): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000655a3eeb): kobject_cleanup, parent 00000000b903c629
kobject: 'tx-0' (00000000655a3eeb): auto cleanup 'remove' event
kobject: 'tx-0' (00000000655a3eeb): kobject_uevent_env
kobject: 'tx-0' (00000000655a3eeb): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (00000000655a3eeb): auto cleanup kobject_del
kobject: 'tx-0' (00000000655a3eeb): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (00000000b903c629): kobject_cleanup, parent           (null)
kobject: 'queues' (00000000b903c629): calling ktype release
kobject: 'queues' (00000000b903c629): kset_release
kobject: 'queues': free name
kobject: 'ip_vti0' (0000000034ce9b58): kobject_uevent_env
kobject: 'ip_vti0' (0000000034ce9b58): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip_vti0' (0000000034ce9b58): kobject_cleanup, parent           (null)
kobject: 'ip_vti0' (0000000034ce9b58): auto cleanup 'remove' event
kobject: 'ip_vti0' (0000000034ce9b58): kobject_uevent_env
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'ip_vti0' (0000000034ce9b58): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'ip_vti0' (0000000034ce9b58): calling ktype release
kobject: 'ip_vti0': free name
kobject: 'batman_adv' (000000000d638b2f): kobject_uevent_env
kobject: 'batman_adv' (000000000d638b2f): kobject_uevent_env: filter function caused the event to drop!
kobject: 'batman_adv' (000000000d638b2f): kobject_cleanup, parent           (null)
kobject: 'batman_adv' (000000000d638b2f): calling ktype release
kobject: (000000000d638b2f): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'rx-0' (000000005c52977f): kobject_cleanup, parent 0000000087718f2b
kobject: 'rx-0' (000000005c52977f): auto cleanup 'remove' event
kobject: 'rx-0' (000000005c52977f): kobject_uevent_env
kobject: 'rx-0' (000000005c52977f): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (000000005c52977f): auto cleanup kobject_del
kobject: 'rx-0' (000000005c52977f): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (000000005d11a072): kobject_cleanup, parent 0000000087718f2b
kobject: 'tx-0' (000000005d11a072): auto cleanup 'remove' event
kobject: 'tx-0' (000000005d11a072): kobject_uevent_env
kobject: 'tx-0' (000000005d11a072): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (000000005d11a072): auto cleanup kobject_del
kobject: 'tx-0' (000000005d11a072): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (0000000087718f2b): kobject_cleanup, parent           (null)
kobject: 'queues' (0000000087718f2b): calling ktype release
kobject: 'queues' (0000000087718f2b): kset_release
kobject: 'queues': free name
kobject: 'erspan0' (00000000796ce980): kobject_uevent_env
kobject: 'erspan0' (00000000796ce980): kobject_uevent_env: uevent_suppress caused the event to drop!
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'erspan0' (00000000796ce980): kobject_cleanup, parent           (null)
kobject: 'erspan0' (00000000796ce980): auto cleanup 'remove' event
kobject: 'erspan0' (00000000796ce980): kobject_uevent_env
kobject: 'erspan0' (00000000796ce980): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'erspan0' (00000000796ce980): calling ktype release
kobject: 'erspan0': free name
kobject: 'batman_adv' (000000005e4206f3): kobject_uevent_env
kobject: 'batman_adv' (000000005e4206f3): kobject_uevent_env: filter function caused the event to drop!
kobject: 'batman_adv' (000000005e4206f3): kobject_cleanup, parent           (null)
kobject: 'batman_adv' (000000005e4206f3): calling ktype release
kobject: (000000005e4206f3): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'rx-0' (000000000150ecc2): kobject_cleanup, parent 00000000bd30c888
kobject: 'rx-0' (000000000150ecc2): auto cleanup 'remove' event
kobject: 'rx-0' (000000000150ecc2): kobject_uevent_env
kobject: 'rx-0' (000000000150ecc2): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (000000000150ecc2): auto cleanup kobject_del
kobject: 'rx-0' (000000000150ecc2): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (000000002071d9f7): kobject_cleanup, parent 00000000bd30c888
kobject: 'tx-0' (000000002071d9f7): auto cleanup 'remove' event
kobject: 'tx-0' (000000002071d9f7): kobject_uevent_env
kobject: 'tx-0' (000000002071d9f7): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'tx-0' (000000002071d9f7): auto cleanup kobject_del
kobject: 'tx-0' (000000002071d9f7): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (00000000bd30c888): kobject_cleanup, parent           (null)
kobject: 'queues' (00000000bd30c888): calling ktype release
kobject: 'queues' (00000000bd30c888): kset_release
kobject: 'queues': free name
kobject: 'gretap0' (00000000246f01b8): kobject_uevent_env
kobject: 'gretap0' (00000000246f01b8): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'gretap0' (00000000246f01b8): kobject_cleanup, parent           (null)
kobject: 'gretap0' (00000000246f01b8): auto cleanup 'remove' event
kobject: 'gretap0' (00000000246f01b8): kobject_uevent_env
kobject: 'gretap0' (00000000246f01b8): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'gretap0' (00000000246f01b8): calling ktype release
kobject: 'gretap0': free name
kobject: 'rx-0' (00000000f554fc11): kobject_cleanup, parent 00000000fe7b8591
kobject: 'rx-0' (00000000f554fc11): auto cleanup 'remove' event
kobject: 'rx-0' (00000000f554fc11): kobject_uevent_env
kobject: 'rx-0' (00000000f554fc11): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'rx-0' (00000000f554fc11): auto cleanup kobject_del
kobject: 'rx-0' (00000000f554fc11): calling ktype release
kobject: 'rx-0': free name
kobject: '0000:0000:0000.0006' (00000000e86b7e07): kobject_add_internal: parent: 'uhid', set: 'devices'
kobject: 'tx-0' (00000000ed048d7b): kobject_cleanup, parent 00000000fe7b8591
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'.
kobject: 'tx-0' (00000000ed048d7b): auto cleanup 'remove' event
kobject: '0000:0000:0000.0006' (00000000e86b7e07): kobject_uevent_env
kobject: 'loop2' (00000000dc465888): kobject_uevent_env
kobject: 'tx-0' (00000000ed048d7b): kobject_uevent_env
kobject: 'loop2' (00000000dc465888): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'tx-0' (00000000ed048d7b): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: '0000:0000:0000.0006' (00000000e86b7e07): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0006'
kobject: 'tx-0' (00000000ed048d7b): auto cleanup kobject_del
kobject: 'tx-0' (00000000ed048d7b): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (00000000fe7b8591): kobject_cleanup, parent           (null)
kobject: 'queues' (00000000fe7b8591): calling ktype release
hid-generic 0000:0000:0000.0006: unknown main item tag 0x0
kobject: 'queues' (00000000fe7b8591): kset_release
hid-generic 0000:0000:0000.0006: unknown main item tag 0x0
kobject: 'queues': free name
kobject: 'loop0' (0000000011ac09a9): kobject_uevent_env
kobject: 'gre0' (0000000046b2c2e1): kobject_uevent_env
kobject: 'loop0' (0000000011ac09a9): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'gre0' (0000000046b2c2e1): kobject_uevent_env: uevent_suppress caused the event to drop!
hid-generic 0000:0000:0000.0006: unknown main item tag 0x0
kobject: 'loop2' (00000000dc465888): kobject_uevent_env
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'.
hid-generic 0000:0000:0000.0006: unknown main item tag 0x0
netlink: 26 bytes leftover after parsing attributes in process `syz-executor.5'.
kobject: 'loop2' (00000000dc465888): fill_kobj_path: path = '/devices/virtual/block/loop2'
hid-generic 0000:0000:0000.0006: unknown main item tag 0x0
kobject: 'gre0' (0000000046b2c2e1): kobject_cleanup, parent           (null)
hid-generic 0000:0000:0000.0006: unknown main item tag 0x0
kobject: 'gre0' (0000000046b2c2e1): auto cleanup 'remove' event
kobject: 'gre0' (0000000046b2c2e1): kobject_uevent_env
kobject: 'gre0' (0000000046b2c2e1): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'gre0' (0000000046b2c2e1): calling ktype release
kobject: 'gre0': free name
kobject: 'loop5' (00000000de944add): kobject_uevent_env
kobject: 'loop5' (00000000de944add): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'rx-0' (00000000a3ec7209): kobject_cleanup, parent 0000000088289d49
kobject: 'rx-0' (00000000a3ec7209): auto cleanup 'remove' event
hid-generic 0000:0000:0000.0006: unknown main item tag 0x0
kobject: 'rx-0' (00000000a3ec7209): kobject_uevent_env
hid-generic 0000:0000:0000.0006: unknown main item tag 0x0
kobject: 'loop2' (00000000dc465888): kobject_uevent_env
kobject: 'loop2' (00000000dc465888): fill_kobj_path: path = '/devices/virtual/block/loop2'
hid-generic 0000:0000:0000.0006: unknown main item tag 0x0
kobject: 'rx-0' (00000000a3ec7209): kobject_uevent_env: uevent_suppress caused the event to drop!
hid-generic 0000:0000:0000.0006: unknown main item tag 0x0
hid-generic 0000:0000:0000.0006: unknown main item tag 0x0
kobject: 'hidraw' (000000006f381263): kobject_add_internal: parent: '0000:0000:0000.0006', set: '(null)'
kobject: 'loop0' (0000000011ac09a9): kobject_uevent_env
kobject: 'rx-0' (00000000a3ec7209): auto cleanup kobject_del
kobject: 'hidraw0' (00000000babf8502): kobject_add_internal: parent: 'hidraw', set: 'devices'
kobject: 'loop0' (0000000011ac09a9): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'hidraw0' (00000000babf8502): kobject_uevent_env
kobject: 'rx-0' (00000000a3ec7209): calling ktype release
kobject: 'hidraw0' (00000000babf8502): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0006/hidraw/hidraw0'
kobject: 'rx-0': free name
hid-generic 0000:0000:0000.0006: hidraw0: <UNKNOWN> HID v0.00 Device [syz1] on syz1
kobject: 'loop5' (00000000de944add): kobject_uevent_env
kobject: '0000:0000:0000.0006' (00000000e86b7e07): kobject_uevent_env
kobject: 'tx-0' (000000007807f61b): kobject_cleanup, parent 0000000088289d49
kobject: '0000:0000:0000.0006' (00000000e86b7e07): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0006'
kobject: 'tx-0' (000000007807f61b): auto cleanup 'remove' event
kobject: 'loop5' (00000000de944add): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'tx-0' (000000007807f61b): kobject_uevent_env
kobject: 'hidraw0' (00000000babf8502): kobject_uevent_env
kobject: 'tx-0' (000000007807f61b): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'hidraw0' (00000000babf8502): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0006/hidraw/hidraw0'
kobject: 'tx-0' (000000007807f61b): auto cleanup kobject_del
kobject: 'tx-0' (000000007807f61b): calling ktype release
kobject: 'hidraw' (000000006f381263): kobject_cleanup, parent           (null)
kobject: 'tx-0': free name
kobject: 'hidraw' (000000006f381263): calling ktype release
kobject: 'queues' (0000000088289d49): kobject_cleanup, parent           (null)
kobject: 'hidraw': free name
kobject: 'hidraw0' (00000000babf8502): kobject_cleanup, parent           (null)
kobject: 'queues' (0000000088289d49): calling ktype release
kobject: '0000:0000:0000.0007' (00000000b7b6db0e): kobject_add_internal: parent: 'uhid', set: 'devices'
kobject: 'queues' (0000000088289d49): kset_release
kobject: 'hidraw0' (00000000babf8502): calling ktype release
kobject: 'queues': free name
kobject: '0000:0000:0000.0007' (00000000b7b6db0e): kobject_uevent_env
kobject: 'tunl0' (00000000e3ebdfaf): kobject_uevent_env
kobject: 'hidraw0': free name
kobject: 'tunl0' (00000000e3ebdfaf): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: '0000:0000:0000.0007' (00000000b7b6db0e): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0007'
kobject: '0000:0000:0000.0006' (00000000e86b7e07): kobject_uevent_env
hid-generic 0000:0000:0000.0007: unknown main item tag 0x0
hid-generic 0000:0000:0000.0007: unknown main item tag 0x0
kobject: '0000:0000:0000.0006' (00000000e86b7e07): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0006'
hid-generic 0000:0000:0000.0007: unknown main item tag 0x0
kobject: '0000:0000:0000.0006' (00000000e86b7e07): kobject_uevent_env
hid-generic 0000:0000:0000.0007: unknown main item tag 0x0
hid-generic 0000:0000:0000.0007: unknown main item tag 0x0
hid-generic 0000:0000:0000.0007: unknown main item tag 0x0
kobject: '0000:0000:0000.0006' (00000000e86b7e07): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0006'
hid-generic 0000:0000:0000.0007: unknown main item tag 0x0
kobject: 'tunl0' (00000000e3ebdfaf): kobject_cleanup, parent           (null)
hid-generic 0000:0000:0000.0007: unknown main item tag 0x0
hid-generic 0000:0000:0000.0007: unknown main item tag 0x0
kobject: 'tunl0' (00000000e3ebdfaf): auto cleanup 'remove' event
hid-generic 0000:0000:0000.0007: unknown main item tag 0x0
kobject: 'tunl0' (00000000e3ebdfaf): kobject_uevent_env
kobject: '0000:0000:0000.0006' (00000000e86b7e07): kobject_cleanup, parent           (null)
kobject: 'tunl0' (00000000e3ebdfaf): kobject_uevent_env: uevent_suppress caused the event to drop!
hid-generic 0000:0000:0000.0007: unknown main item tag 0x0
kobject: 'tunl0' (00000000e3ebdfaf): calling ktype release
kobject: '0000:0000:0000.0006' (00000000e86b7e07): calling ktype release
kobject: 'tunl0': free name
kobject: 'hidraw' (0000000055143d95): kobject_add_internal: parent: '0000:0000:0000.0007', set: '(null)'
kobject: '0000:0000:0000.0006': free name
kobject: 'hidraw0' (0000000065b71cf5): kobject_add_internal: parent: 'hidraw', set: 'devices'
kobject: 'hidraw0' (0000000065b71cf5): kobject_uevent_env
kobject: 'rx-0' (000000006f0cae10): kobject_cleanup, parent 000000004be59429
kobject: 'hidraw0' (0000000065b71cf5): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0007/hidraw/hidraw0'
hid-generic 0000:0000:0000.0007: hidraw0: <UNKNOWN> HID v0.00 Device [syz1] on syz1
kobject: 'rx-0' (000000006f0cae10): auto cleanup 'remove' event
kobject: '0000:0000:0000.0007' (00000000b7b6db0e): kobject_uevent_env
kobject: '0000:0000:0000.0007' (00000000b7b6db0e): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0007'
kobject: 'rx-0' (000000006f0cae10): kobject_uevent_env
kobject: 'hidraw0' (0000000065b71cf5): kobject_uevent_env
kobject: 'rx-0' (000000006f0cae10): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'hidraw0' (0000000065b71cf5): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0007/hidraw/hidraw0'
kobject: 'rx-0' (000000006f0cae10): auto cleanup kobject_del
kobject: 'hidraw' (0000000055143d95): kobject_cleanup, parent           (null)
kobject: 'rx-0' (000000006f0cae10): calling ktype release
kobject: 'hidraw' (0000000055143d95): calling ktype release
kobject: 'rx-0': free name
kobject: 'hidraw': free name
kobject: 'tx-0' (0000000004b80366): kobject_cleanup, parent 000000004be59429
kobject: 'hidraw0' (0000000065b71cf5): kobject_cleanup, parent           (null)
kobject: 'tx-0' (0000000004b80366): auto cleanup 'remove' event
kobject: 'hidraw0' (0000000065b71cf5): calling ktype release
kobject: 'tx-0' (0000000004b80366): kobject_uevent_env
kobject: 'hidraw0': free name
kobject: 'tx-0' (0000000004b80366): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: '0000:0000:0000.0007' (00000000b7b6db0e): kobject_uevent_env
kobject: 'tx-0' (0000000004b80366): auto cleanup kobject_del
kobject: '0000:0000:0000.0007' (00000000b7b6db0e): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0007'
kobject: 'tx-0' (0000000004b80366): calling ktype release
kobject: '0000:0000:0000.0007' (00000000b7b6db0e): kobject_uevent_env
kobject: 'tx-0': free name
kobject: '0000:0000:0000.0007' (00000000b7b6db0e): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0007'
kobject: 'queues' (000000004be59429): kobject_cleanup, parent           (null)
kobject: '0000:0000:0000.0007' (00000000b7b6db0e): kobject_cleanup, parent           (null)
kobject: 'queues' (000000004be59429): calling ktype release
kobject: '0000:0000:0000.0007' (00000000b7b6db0e): calling ktype release
kobject: 'queues' (000000004be59429): kset_release
kobject: '0000:0000:0000.0007': free name
kobject: 'queues': free name
kobject: 'lo' (0000000068c880e8): kobject_uevent_env
kobject: 'lo' (0000000068c880e8): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'loop4' (00000000dd37a894): kobject_uevent_env
kobject: 'loop4' (00000000dd37a894): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'lo' (0000000068c880e8): kobject_cleanup, parent           (null)
kobject: 'lo' (0000000068c880e8): auto cleanup 'remove' event
kobject: 'lo' (0000000068c880e8): kobject_uevent_env
kobject: 'lo' (0000000068c880e8): kobject_uevent_env: uevent_suppress caused the event to drop!
kobject: 'lo' (0000000068c880e8): calling ktype release
kobject: 'lo': free name
kobject: '0000:0000:0000.0008' (00000000455592d5): kobject_add_internal: parent: 'uhid', set: 'devices'
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'.
kobject: '0000:0000:0000.0008' (00000000455592d5): kobject_uevent_env
kobject: 'loop2' (00000000dc465888): kobject_uevent_env
kobject: 'loop2' (00000000dc465888): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: '0000:0000:0000.0008' (00000000455592d5): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0008'
kobject: 'loop5' (00000000de944add): kobject_uevent_env
kobject: 'loop5' (00000000de944add): fill_kobj_path: path = '/devices/virtual/block/loop5'
hid-generic 0000:0000:0000.0008: unknown main item tag 0x0
hid-generic 0000:0000:0000.0008: unknown main item tag 0x0
kobject: 'loop0' (0000000011ac09a9): kobject_uevent_env
hid-generic 0000:0000:0000.0008: unknown main item tag 0x0
kobject: 'loop0' (0000000011ac09a9): fill_kobj_path: path = '/devices/virtual/block/loop0'
hid-generic 0000:0000:0000.0008: unknown main item tag 0x0
kobject: 'loop2' (00000000dc465888): kobject_uevent_env
hid-generic 0000:0000:0000.0008: unknown main item tag 0x0
kobject: '0000:0000:0000.0009' (00000000e8c8d457): kobject_add_internal: parent: 'uhid', set: 'devices'
kobject: 'loop2' (00000000dc465888): fill_kobj_path: path = '/devices/virtual/block/loop2'
hid-generic 0000:0000:0000.0008: unknown main item tag 0x0
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'.
hid-generic 0000:0000:0000.0008: unknown main item tag 0x0
kobject: 'loop5' (00000000de944add): kobject_uevent_env
kobject: '0000:0000:0000.0009' (00000000e8c8d457): kobject_uevent_env
hid-generic 0000:0000:0000.0008: unknown main item tag 0x0
kobject: '0000:0000:0000.0009' (00000000e8c8d457): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0009'
kobject: 'loop5' (00000000de944add): fill_kobj_path: path = '/devices/virtual/block/loop5'
hid-generic 0000:0000:0000.0008: unknown main item tag 0x0
hid-generic 0000:0000:0000.0009: unknown main item tag 0x0
hid-generic 0000:0000:0000.0008: unknown main item tag 0x0
hid-generic 0000:0000:0000.0008: unknown main item tag 0x0
hid-generic 0000:0000:0000.0009: unknown main item tag 0x0
kobject: 'hidraw' (0000000012253a30): kobject_add_internal: parent: '0000:0000:0000.0008', set: '(null)'
kobject: 'loop0' (0000000011ac09a9): kobject_uevent_env
hid-generic 0000:0000:0000.0009: unknown main item tag 0x0
kobject: 'loop0' (0000000011ac09a9): fill_kobj_path: path = '/devices/virtual/block/loop0'
hid-generic 0000:0000:0000.0009: unknown main item tag 0x0
kobject: 'hidraw0' (00000000f4b19f07): kobject_add_internal: parent: 'hidraw', set: 'devices'
hid-generic 0000:0000:0000.0009: unknown main item tag 0x0
kobject: 'hidraw0' (00000000f4b19f07): kobject_uevent_env
hid-generic 0000:0000:0000.0009: unknown main item tag 0x0
kobject: 'hidraw0' (00000000f4b19f07): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0008/hidraw/hidraw0'
hid-generic 0000:0000:0000.0009: unknown main item tag 0x0
hid-generic 0000:0000:0000.0008: hidraw0: <UNKNOWN> HID v0.00 Device [syz1] on syz1
kobject: '0000:0000:0000.0008' (00000000455592d5): kobject_uevent_env
hid-generic 0000:0000:0000.0009: unknown main item tag 0x0
kobject: '0000:0000:0000.0008' (00000000455592d5): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0008'
hid-generic 0000:0000:0000.0009: unknown main item tag 0x0
hid-generic 0000:0000:0000.0009: unknown main item tag 0x0
kobject: 'hidraw0' (00000000f4b19f07): kobject_uevent_env
hid-generic 0000:0000:0000.0009: unknown main item tag 0x0
kobject: 'hidraw0' (00000000f4b19f07): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0008/hidraw/hidraw0'
kobject: 'hidraw' (0000000012253a30): kobject_cleanup, parent           (null)
kobject: 'hidraw' (0000000012253a30): calling ktype release
kobject: 'hidraw': free name
kobject: 'hidraw0' (00000000f4b19f07): kobject_cleanup, parent           (null)
kobject: 'hidraw0' (00000000f4b19f07): calling ktype release
kobject: 'hidraw0': free name
kobject: '0000:0000:0000.0008' (00000000455592d5): kobject_uevent_env
kobject: 'hidraw' (000000005b417472): kobject_add_internal: parent: '0000:0000:0000.0009', set: '(null)'
kobject: '0000:0000:0000.0008' (00000000455592d5): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0008'
kobject: '0000:0000:0000.0008' (00000000455592d5): kobject_uevent_env
kobject: '0000:0000:0000.0008' (00000000455592d5): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0008'
kobject: '0000:0000:0000.0008' (00000000455592d5): kobject_cleanup, parent           (null)
kobject: '0000:0000:0000.0008' (00000000455592d5): calling ktype release
kobject: 'hidraw0' (00000000ea40e079): kobject_add_internal: parent: 'hidraw', set: 'devices'
kobject: '0000:0000:0000.0008': free name
kobject: 'hidraw0' (00000000ea40e079): kobject_uevent_env
net_ratelimit: 34 callbacks suppressed
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'hidraw0' (00000000ea40e079): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0009/hidraw/hidraw0'
hid-generic 0000:0000:0000.0009: hidraw0: <UNKNOWN> HID v0.00 Device [syz1] on syz1
kobject: '0000:0000:0000.0009' (00000000e8c8d457): kobject_uevent_env
kobject: '0000:0000:0000.0009' (00000000e8c8d457): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0009'
kobject: 'hidraw0' (00000000ea40e079): kobject_uevent_env
kobject: 'hidraw0' (00000000ea40e079): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0009/hidraw/hidraw0'
kobject: 'hidraw' (000000005b417472): kobject_cleanup, parent           (null)
kobject: 'loop4' (00000000dd37a894): kobject_uevent_env
kobject: 'hidraw' (000000005b417472): calling ktype release
kobject: 'loop4' (00000000dd37a894): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'hidraw': free name
kobject: 'hidraw0' (00000000ea40e079): kobject_cleanup, parent           (null)
kobject: 'hidraw0' (00000000ea40e079): calling ktype release
kobject: 'hidraw0': free name
kobject: '0000:0000:0000.0009' (00000000e8c8d457): kobject_uevent_env
kobject: '0000:0000:0000.0009' (00000000e8c8d457): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0009'
kobject: '0000:0000:0000.0009' (00000000e8c8d457): kobject_uevent_env
kobject: '0000:0000:0000.0009' (00000000e8c8d457): fill_kobj_path: path = '/devices/virtual/misc/uhid/0000:0000:0000.0009'
kobject: '0000:0000:0000.0009' (00000000e8c8d457): kobject_cleanup, parent           (null)
kobject: '0000:0000:0000.0009' (00000000e8c8d457): calling ktype release
kobject: '0000:0000:0000.0009': free name
kobject: 'loop2' (00000000dc465888): kobject_uevent_env
kobject: 'loop2' (00000000dc465888): fill_kobj_path: path = '/devices/virtual/block/loop2'
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1