INFO: task kworker/0:10:4305 blocked for more than 143 seconds.
      Not tainted 5.19.0-rc1-syzkaller-00024-g6bfb56e93bce #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:10    state:D stack:20416 pid: 4305 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5116 [inline]
 __schedule+0x957/0xec0 kernel/sched/core.c:6428
 schedule+0xeb/0x1b0 kernel/sched/core.c:6500
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6559
 __mutex_lock_common+0xecf/0x26c0 kernel/locking/mutex.c:679
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
 add_early_randomness drivers/char/hw_random/core.c:69 [inline]
 hwrng_register+0x3bf/0x680 drivers/char/hw_random/core.c:599
 chaoskey_probe+0x7f0/0xb10 drivers/usb/misc/chaoskey.c:205
 usb_probe_interface+0x66e/0xb60 drivers/usb/core/driver.c:396
 call_driver_probe+0x96/0x250
 really_probe+0x220/0x940 drivers/base/dd.c:634
 __driver_probe_device+0x1f4/0x3f0 drivers/base/dd.c:764
 driver_probe_device+0x50/0x240 drivers/base/dd.c:794
 __device_attach_driver+0x273/0x3d0 drivers/base/dd.c:917
 bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427
 __device_attach+0x372/0x5a0 drivers/base/dd.c:989
 bus_probe_device+0xb8/0x1f0 drivers/base/bus.c:487
 device_add+0xb20/0xf90 drivers/base/core.c:3417
 usb_set_configuration+0x1a5f/0x20e0 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x83/0x140 drivers/usb/core/generic.c:238
 usb_probe_device+0x131/0x260 drivers/usb/core/driver.c:293
 call_driver_probe+0x96/0x250
 really_probe+0x220/0x940 drivers/base/dd.c:634
 __driver_probe_device+0x1f4/0x3f0 drivers/base/dd.c:764
 driver_probe_device+0x50/0x240 drivers/base/dd.c:794
 __device_attach_driver+0x273/0x3d0 drivers/base/dd.c:917
 bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427
 __device_attach+0x372/0x5a0 drivers/base/dd.c:989
 bus_probe_device+0xb8/0x1f0 drivers/base/bus.c:487
 device_add+0xb20/0xf90 drivers/base/core.c:3417
 usb_new_device+0xbfc/0x18a0 drivers/usb/core/hub.c:2566
 hub_port_connect+0x106b/0x2930 drivers/usb/core/hub.c:5363
 hub_port_connect_change+0x619/0xbe0 drivers/usb/core/hub.c:5507
 port_event+0xeb7/0x1390 drivers/usb/core/hub.c:5663
 hub_event+0x5be/0xd70 drivers/usb/core/hub.c:5745
 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30
 </TASK>

Showing all locks held in the system:
3 locks held by kworker/1:1/27:
 #0: ffff888011c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
 #1: ffffc90000a2fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
 #2: ffff88802f767240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2fc/0x58c0 drivers/net/netdevsim/fib.c:1475
1 lock held by khungtaskd/29:
 #0: ffffffff8cb1eba0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by kworker/u4:3/47:
 #0: ffff8880b9a39b98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:544
 #1: ffff8880b9a27748 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x4fa/0x820 kernel/sched/psi.c:880
1 lock held by hwrng/755:
 #0: ffffffff8d24c988 (reading_mutex){+.+.}-{3:3}, at: hwrng_fillfn+0xec/0x470 drivers/char/hw_random/core.c:503
2 locks held by getty/3294:
 #0: ffff88802711a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
 #1: ffffc90002cd62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6e8/0x1e50 drivers/tty/n_tty.c:2124
3 locks held by kworker/0:9/3688:
 #0: ffff88814a469538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
 #1: ffffc90003b1fd00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
 #2: ffffffff8dbbe428 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd8/0x16e0 net/ipv6/addrconf.c:4083
3 locks held by kworker/1:5/3689:
 #0: ffff888011c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
 #1: ffffc90003b2fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
 #2: ffff888030258240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2fc/0x58c0 drivers/net/netdevsim/fib.c:1475
6 locks held by kworker/0:10/4305:
 #0: ffff888017b2ed38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
 #1: ffffc9000a20fd00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
 #2: ffff8881475c6190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
 #2: ffff8881475c6190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1bf/0xd70 drivers/usb/core/hub.c:5691
 #3: ffff88802de2a190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
 #3: ffff88802de2a190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x5a0 drivers/base/dd.c:964
 #4: ffff88802de2c118 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
 #4: ffff88802de2c118 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8a/0x5a0 drivers/base/dd.c:964
 #5: ffffffff8d24c988 (reading_mutex){+.+.}-{3:3}, at: add_early_randomness drivers/char/hw_random/core.c:69 [inline]
 #5: ffffffff8d24c988 (reading_mutex){+.+.}-{3:3}, at: hwrng_register+0x3bf/0x680 drivers/char/hw_random/core.c:599
4 locks held by kworker/u4:14/9142:
 #0: ffff888011dba938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
 #1: ffffc90002fefd00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
 #2: ffffffff8dbb22d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf0/0xc50 net/core/net_namespace.c:556
 #3: ffffffff8dbbe428 (rtnl_mutex){+.+.}-{3:3}, at: cangw_pernet_exit_batch+0x1c/0x90 net/can/gw.c:1250
2 locks held by kworker/1:11/10750:
 #0: ffff888011c66538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
 #1: ffffc9000543fd00 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
3 locks held by udevd/12555:
 #0: ffff88801ce43088 (&of->mutex){+.+.}-{3:3}, at: kernfs_file_read_iter fs/kernfs/file.c:197 [inline]
 #0: ffff88801ce43088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_read_iter+0x19b/0x570 fs/kernfs/file.c:236
 #1: ffff888076e4fae8 (kn->active#86){++++}-{0:0}, at: kernfs_file_read_iter fs/kernfs/file.c:198 [inline]
 #1: ffff888076e4fae8 (kn->active#86){++++}-{0:0}, at: kernfs_fop_read_iter+0x1b3/0x570 fs/kernfs/file.c:236
 #2: ffff88802de2a190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:840 [inline]
 #2: ffff88802de2a190 (&dev->mutex){....}-{3:3}, at: read_descriptors+0x30/0x390 drivers/usb/core/sysfs.c:873
3 locks held by kworker/u4:7/21044:
 #0: ffff888145ad1938 ((wq_completion)cfg80211){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
 #1: ffffc900036cfd00 ((work_completion)(&(&rdev->dfs_update_channels_wk)->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
 #2: ffffffff8dbbe428 (rtnl_mutex){+.+.}-{3:3}, at: cfg80211_dfs_channels_update_work+0xb8/0x680 net/wireless/mlme.c:844
2 locks held by syz-executor.2/22161:
 #0: ffffffff8dbbe428 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
 #0: ffffffff8dbbe428 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x772/0xea0 net/core/rtnetlink.c:6086
 #1: ffffffff8cb23ca0 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline]
 #1: ffffffff8cb23ca0 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x266/0x720 kernel/rcu/tree_exp.h:927
1 lock held by syz-executor.2/22162:
 #0: ffffffff8dbbe428 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
 #0: ffffffff8dbbe428 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x772/0xea0 net/core/rtnetlink.c:6086
2 locks held by syz-executor.1/22164:
 #0: ffff888031458810 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:741 [inline]
 #0: ffff888031458810 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: __sock_release net/socket.c:649 [inline]
 #0: ffff888031458810 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: sock_close+0x93/0x260 net/socket.c:1365
 #1: ffffffff8cb23ca0 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:322 [inline]
 #1: ffffffff8cb23ca0 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x329/0x720 kernel/rcu/tree_exp.h:927
1 lock held by syz-executor.1/22170:
 #0: ffffffff8dbbe428 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
 #0: ffffffff8dbbe428 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x772/0xea0 net/core/rtnetlink.c:6086
1 lock held by syz-executor.1/22173:
 #0: ffffffff8dbbe428 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
 #0: ffffffff8dbbe428 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x772/0xea0 net/core/rtnetlink.c:6086

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 5.19.0-rc1-syzkaller-00024-g6bfb56e93bce #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 nmi_cpu_backtrace+0x473/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x168/0x280 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
 watchdog+0xd18/0xd60 kernel/hung_task.c:378
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 9123 Comm: kworker/u4:10 Not tainted 5.19.0-rc1-syzkaller-00024-g6bfb56e93bce #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy4 ieee80211_iface_work
RIP: 0010:check_preemption_disabled+0x5c/0x120 lib/smp_processor_id.c:19
Code: 25 28 00 00 00 48 3b 44 24 08 0f 85 cc 00 00 00 89 d8 48 83 c4 10 5b 41 5c 41 5e 41 5f c3 48 c7 04 24 00 00 00 00 9c 8f 04 24 <f7> 04 24 00 02 00 00 74 c9 49 89 f6 49 89 ff 65 4c 8b 24 25 00 6f
RSP: 0018:ffffc90002e6f800 EFLAGS: 00000046
RAX: 0000000080000000 RBX: 0000000000000000 RCX: 0000000080000000
RDX: 0000000000000000 RSI: ffffffff8a8d2e00 RDI: ffffffff8ae989a0
RBP: 00000000ffffffff R08: dffffc0000000000 R09: fffffbfff1fa89f9
R10: fffffbfff1fa89f9 R11: 1ffffffff1fa89f8 R12: 0000000000000246
R13: ffff8880756cbb00 R14: 00000000ffffffff R15: ffffffff8cb1eba0
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd4a6d6b998 CR3: 000000002c5df000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 lockdep_recursion_inc kernel/locking/lockdep.c:461 [inline]
 lock_is_held_type+0x77/0x190 kernel/locking/lockdep.c:5707
 ieee80211_bss_info_update+0x477/0xc30 net/mac80211/scan.c:178
 ieee80211_rx_bss_info net/mac80211/ibss.c:1119 [inline]
 ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1610 [inline]
 ieee80211_ibss_rx_queued_mgmt+0x1659/0x28c0 net/mac80211/ibss.c:1639
 ieee80211_iface_process_skb net/mac80211/iface.c:1527 [inline]
 ieee80211_iface_work+0x757/0xcd0 net/mac80211/iface.c:1581
 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30
 </TASK>
----------------
Code disassembly (best guess):
   0:	25 28 00 00 00       	and    $0x28,%eax
   5:	48 3b 44 24 08       	cmp    0x8(%rsp),%rax
   a:	0f 85 cc 00 00 00    	jne    0xdc
  10:	89 d8                	mov    %ebx,%eax
  12:	48 83 c4 10          	add    $0x10,%rsp
  16:	5b                   	pop    %rbx
  17:	41 5c                	pop    %r12
  19:	41 5e                	pop    %r14
  1b:	41 5f                	pop    %r15
  1d:	c3                   	retq
  1e:	48 c7 04 24 00 00 00 	movq   $0x0,(%rsp)
  25:	00
  26:	9c                   	pushfq
  27:	8f 04 24             	popq   (%rsp)
* 2a:	f7 04 24 00 02 00 00 	testl  $0x200,(%rsp) <-- trapping instruction
  31:	74 c9                	je     0xfffffffc
  33:	49 89 f6             	mov    %rsi,%r14
  36:	49 89 ff             	mov    %rdi,%r15
  39:	65                   	gs
  3a:	4c                   	rex.WR
  3b:	8b                   	.byte 0x8b
  3c:	24 25                	and    $0x25,%al
  3e:	00                   	.byte 0x0
  3f:	6f                   	outsl  %ds:(%rsi),(%dx)