INFO: task kworker/0:1:10 blocked for more than 142 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1     state:D stack:0     pid:10    tgid:10    ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events reg_todo
Call trace:
 __switch_to+0x418/0x87c arch/arm64/kernel/process.c:742 (T)
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1250/0x2a7c kernel/sched/core.c:6863
 __schedule_loop kernel/sched/core.c:6945 [inline]
 schedule+0xb4/0x230 kernel/sched/core.c:6960
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7017
 __mutex_lock_common+0xd04/0x2678 kernel/locking/mutex.c:692
 __mutex_lock kernel/locking/mutex.c:776 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:828
 class_wiphy_constructor include/net/cfg80211.h:6363 [inline]
 reg_process_self_managed_hints+0x98/0x1dc net/wireless/reg.c:3179
 reg_todo+0x81c/0x98c net/wireless/reg.c:3192
 process_one_work+0x7c0/0x1558 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3421
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844

Showing all locks held in the system:
2 locks held by kthreadd/2:
1 lock held by pool_workqueue_/3:
 #0: ffff80008fa611f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:311 [inline]
 #0: ffff80008fa611f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x33c/0x628 kernel/rcu/tree_exp.h:956
4 locks held by kworker/0:1/10:
 #0: ffff0000c0029948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff800097cd7be0 (reg_work){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
 #2: ffff800092ae4928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
 #3: ffff0000deb88788 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6363 [inline]
 #3: ffff0000deb88788 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_process_self_managed_hints+0x98/0x1dc net/wireless/reg.c:3179
3 locks held by kworker/u8:1/13:
2 locks held by kworker/1:0/24:
2 locks held by kworker/1:1/26:
1 lock held by khungtaskd/32:
 #0: ffff80008fa5b6e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330
3 locks held by kworker/u8:3/42:
3 locks held by kworker/u8:4/75:
 #0: ffff0000c0032148 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff800099907be0 ((crda_timeout).work){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
 #2: ffff800092ae4928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
3 locks held by kworker/u8:5/140:
3 locks held by kworker/u8:6/374:
3 locks held by kworker/u8:7/724:
3 locks held by kworker/u8:8/765:
3 locks held by kworker/1:2/1542:
 #0: ffff0000c0029948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff80009f867be0 ((work_completion)(&(&ovs_net->masks_rebalance)->work)){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
 #2: ffff800092e22428 (ovs_mutex){+.+.}-{4:4}, at: ovs_lock net/openvswitch/datapath.c:108 [inline]
 #2: ffff800092e22428 (ovs_mutex){+.+.}-{4:4}, at: ovs_dp_masks_rebalance+0x38/0xec net/openvswitch/datapath.c:2561
3 locks held by kworker/u8:9/2172:
3 locks held by kworker/u8:10/2687:
3 locks held by kworker/u8:11/2711:
3 locks held by kworker/u8:12/3793:
3 locks held by kworker/u8:13/4042:
3 locks held by kworker/u8:14/4501:
4 locks held by kworker/u8:15/4835:
7 locks held by kworker/u8:16/5004:
3 locks held by kworker/u8:17/5067:
 #0: ffff0000c0032148 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff80009b087be0 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
 #2: ffff800092ae4928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
4 locks held by kworker/u8:18/5240:
3 locks held by kworker/u8:19/5740:
3 locks held by kworker/u8:20/6151:
1 lock held by klogd/6199:
2 locks held by udevd/6210:
2 locks held by getty/6354:
 #0: ffff0000dbd990a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff800099f1e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfc8 drivers/tty/n_tty.c:2211
2 locks held by udevd/6561:
1 lock held by syz-executor/6574:
2 locks held by syz-executor/6577:
2 locks held by udevd/6585:
1 lock held by kworker/R-wg-cr/6608:
3 locks held by kworker/0:5/6641:
 #0: ffff0000c0029948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff80009fe97be0 ((work_completion)(&(&ovs_net->masks_rebalance)->work)){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
 #2: ffff800092e22428 (ovs_mutex){+.+.}-{4:4}, at: ovs_lock net/openvswitch/datapath.c:108 [inline]
 #2: ffff800092e22428 (ovs_mutex){+.+.}-{4:4}, at: ovs_dp_masks_rebalance+0x38/0xec net/openvswitch/datapath.c:2561
3 locks held by kworker/0:7/6666:
 #0: ffff0000c0029948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff80009fd17be0 ((work_completion)(&(&ovs_net->masks_rebalance)->work)){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
 #2: ffff800092e22428 (ovs_mutex){+.+.}-{4:4}, at: ovs_lock net/openvswitch/datapath.c:108 [inline]
 #2: ffff800092e22428 (ovs_mutex){+.+.}-{4:4}, at: ovs_dp_masks_rebalance+0x38/0xec net/openvswitch/datapath.c:2561
2 locks held by kworker/0:8/6689:
3 locks held by kworker/1:8/6726:
1 lock held by syz-executor/6945:
1 lock held by syz-executor/6947:
1 lock held by kworker/R-wg-cr/7036:
1 lock held by kworker/R-wg-cr/7038:
1 lock held by kworker/R-wg-cr/7060:
 #0: ffff80008f902008 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_attach_to_pool+0x40/0x348 kernel/workqueue.c:2672
1 lock held by syz-executor/7321:
 #0: ffff800092ae4928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
1 lock held by kworker/R-wg-cr/7425:
4 locks held by kworker/0:10/7656:
3 locks held by kworker/u8:22/8183:
3 locks held by dhcpcd-run-hook/8184:
3 locks held by kworker/u8:24/8211:
 #0: ffff0000d58f2148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff80009b1c7be0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
 #2: ffff800092ae4928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
3 locks held by kworker/0:12/8215:
3 locks held by kworker/u8:26/8216:
3 locks held by kworker/0:13/8217:
 #0: ffff0000c0029948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff800099db7be0 ((work_completion)(&(&ovs_net->masks_rebalance)->work)){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
 #2: ffff800092e22428 (ovs_mutex){+.+.}-{4:4}, at: ovs_lock net/openvswitch/datapath.c:108 [inline]
 #2: ffff800092e22428 (ovs_mutex){+.+.}-{4:4}, at: ovs_dp_masks_rebalance+0x38/0xec net/openvswitch/datapath.c:2561
4 locks held by kworker/u8:27/8219:
3 locks held by kworker/0:14/8220:
 #0: ffff0000c0029948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff80009d1e7be0 ((work_completion)(&(&ovs_net->masks_rebalance)->work)){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
 #2: ffff800092e22428 (ovs_mutex){+.+.}-{4:4}, at: ovs_lock net/openvswitch/datapath.c:108 [inline]
 #2: ffff800092e22428 (ovs_mutex){+.+.}-{4:4}, at: ovs_dp_masks_rebalance+0x38/0xec net/openvswitch/datapath.c:2561
2 locks held by syz-executor/8222:
2 locks held by kworker/u8:29/8223:
2 locks held by kworker/u8:30/8224:

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