INFO: task syz-executor.0:11484 blocked for more than 143 seconds.
      Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:24632 pid:11484 tgid:11484 ppid:7313   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x1781/0x49d0 kernel/sched/core.c:6736
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6828
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2548
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
 __flush_work+0xa7b/0xc90 kernel/workqueue.c:4205
 __cancel_work_sync+0x330/0x6d0 kernel/workqueue.c:4304
 uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
 uhid_char_release+0xaf/0x600 drivers/hid/uhid.c:662
 __fput+0x429/0x8a0 fs/file_table.c:422
 __do_sys_close fs/open.c:1556 [inline]
 __se_sys_close fs/open.c:1541 [inline]
 __x64_sys_close+0x7f/0x110 fs/open.c:1541
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fe1ff07cc9a
RSP: 002b:00007ffc6672b760 EFLAGS: 00000293
 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe1ff07cc9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000032 R08: 0000001b2e620000 R09: 0000000000000002
R10: 0000000081360a66 R11: 0000000000000293 R12: 00007fe1fec00e58
R13: ffffffffffffffff R14: 00007fe1fec00000 R15: 000000000003e005
 </TASK>
INFO: task syz-executor.4:11547 blocked for more than 147 seconds.
      Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:24632 pid:11547 tgid:11547 ppid:6277   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x1781/0x49d0 kernel/sched/core.c:6736
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6828
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2548
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
 __flush_work+0xa7b/0xc90 kernel/workqueue.c:4205
 __cancel_work_sync+0x330/0x6d0 kernel/workqueue.c:4304
 uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
 uhid_char_release+0xaf/0x600 drivers/hid/uhid.c:662
 __fput+0x429/0x8a0 fs/file_table.c:422
 __do_sys_close fs/open.c:1556 [inline]
 __se_sys_close fs/open.c:1541 [inline]
 __x64_sys_close+0x7f/0x110 fs/open.c:1541
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f63a227cc9a
RSP: 002b:00007ffe8a13c2c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f63a227cc9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000032 R08: 0000001b31e20000 R09: 0000000000000002
R10: 0000000081360a66 R11: 0000000000000293 R12: 00007f63a1e00e58
R13: ffffffffffffffff R14: 00007f63a1e00000 R15: 000000000003e9b1
 </TASK>

Showing all locks held in the system:
3 locks held by kworker/0:0/7:
5 locks held by kworker/u8:0/10:
 #0: ffff888015acb148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3229 [inline]
 #0: ffff888015acb148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x1770 kernel/workqueue.c:3335
 #1: ffffc900000f7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3230 [inline]
 #1: ffffc900000f7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x1770 kernel/workqueue.c:3335
 #2: ffffffff8f36ef10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:591
 #3: ffffffff8f37b588 (rtnl_mutex){+.+.}-{3:3}, at: ieee80211_unregister_hw+0x55/0x2c0 net/mac80211/main.c:1645
 #4: 
ffff8880b953e318
 (
&rq->__lock
){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
1 lock held by khungtaskd/29:
 #0: