INFO: task kworker/1:1:26 blocked for more than 143 seconds. Tainted: G L syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:1 state:D stack:0 pid:26 tgid:26 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: events reg_todo Call trace: __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T) context_switch kernel/sched/core.c:5388 [inline] __schedule+0x1bec/0x2dcc kernel/sched/core.c:7189 __schedule_loop kernel/sched/core.c:7268 [inline] schedule+0x140/0x218 kernel/sched/core.c:7283 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7340 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x4e4/0xef8 kernel/locking/mutex.c:820 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:873 class_wiphy_constructor include/net/cfg80211.h:6645 [inline] reg_process_self_managed_hints+0x94/0x1c0 net/wireless/reg.c:3192 reg_todo+0x604/0x69c net/wireless/reg.c:3205 process_one_work kernel/workqueue.c:3314 [inline] process_scheduled_works+0x79c/0x1098 kernel/workqueue.c:3397 worker_thread+0x754/0xba0 kernel/workqueue.c:3478 kthread+0x2f8/0x3c8 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 INFO: task kworker/u8:17:5191 blocked for more than 143 seconds. Tainted: G L syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:17 state:D stack:0 pid:5191 tgid:5191 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: events_power_efficient crda_timeout_work Call trace: __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:810 (T) context_switch kernel/sched/core.c:5388 [inline] __schedule+0x1bec/0x2dcc kernel/sched/core.c:7189 __schedule_loop kernel/sched/core.c:7268 [inline] schedule+0x140/0x218 kernel/sched/core.c:7283 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7340 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x4e4/0xef8 kernel/locking/mutex.c:820 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:873 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80 crda_timeout_work+0x20/0x90 net/wireless/reg.c:529 process_one_work kernel/workqueue.c:3314 [inline] process_scheduled_works+0x79c/0x1098 kernel/workqueue.c:3397 worker_thread+0x754/0xba0 kernel/workqueue.c:3478 kthread+0x2f8/0x3c8 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 Showing all locks held in the system: 2 locks held by kworker/0:0/9: 3 locks held by kworker/0:1/11: 3 locks held by kworker/u8:0/12: 2 locks held by kworker/1:0/24: 4 locks held by kworker/1:1/26: #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline] #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x748/0x1098 kernel/workqueue.c:3397 #1: ffff80008eba7c40 (reg_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline] (reg_work){+.+.}-{0:0}, at: process_scheduled_works+0x750/0x1098 kernel/workqueue.c:3397 #2: ffff800089c3bb80 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80 #3: ffff0000f3240780 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6645 [inline] #3: ffff0000f3240780 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_process_self_managed_hints+0x94/0x1c0 net/wireless/reg.c:3192 1 lock held by khungtaskd/31: #0: ffff800088b672a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #0: ffff800088b672a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #0: ffff800088b672a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x4c/0x188 kernel/locking/lockdep.c:6775 3 locks held by kworker/u8:2/39: #0: ffff0000c004b940 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline] #0: ffff0000c004b940 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x748/0x1098 kernel/workqueue.c:3397 #1: ffff80008fff7c40 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline] #1: ffff80008fff7c40 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x750/0x1098 kernel/workqueue.c:3397 #2: ffff800089c3bb80 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80 3 locks held by kworker/u8:3/40: 1 lock held by pr/ttyAMA-1/41: 2 locks held by kworker/0:2/1024: 3 locks held by kworker/u8:4/1185: 3 locks held by kworker/u8:5/1217: 3 locks held by kworker/u8:6/1378: 2 locks held by kworker/u8:7/3537: 1 lock held by klogd/4330: 3 locks held by udevd/4341: 1 lock held by dhcpcd/4396: 3 locks held by dhcpcd/4397: 2 locks held by kworker/1:3/4469: 2 locks held by getty/4490: #0: ffff0000c90c10a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80009232e2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x354/0xf84 drivers/tty/n_tty.c:2211 4 locks held by syz-executor/4696: 1 lock held by udevd/4699: 4 locks held by kworker/0:4/4800: #0: ffff0000de9d7940 ((wq_completion)wg-kex-wg1#18){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline] #0: ffff0000de9d7940 ((wq_completion)wg-kex-wg1#18){+.+.}-{0:0}, at: process_scheduled_works+0x748/0x1098 kernel/workqueue.c:3397 #1: ffff800097827c40 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))))((unsigned long)((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))) + (((__per_cpu_offset[(cpu)]))))); })->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline] #1: ffff800097827c40 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))))((unsigned long)((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))) + (((__per_cpu_offset[(cpu)]))))); })->work)){+.+.}-{0:0}, at: process_scheduled_works+0x750/0x1098 kernel/workqueue.c:3397 #2: ffff0000e31213c0 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_consume_response+0x15c/0x5a8 drivers/net/wireguard/noise.c:742 #3: ffff0000d38ca0e8 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_consume_response+0x1d4/0x5a8 drivers/net/wireguard/noise.c:753 2 locks held by kworker/1:4/4801: 2 locks held by kworker/0:6/4815: 2 locks held by kworker/1:5/4816: 2 locks held by kworker/1:6/4892: 3 locks held by kworker/u8:11/5179: 2 locks held by kworker/u8:12/5181: 3 locks held by kworker/u8:14/5185: 3 locks held by kworker/u8:15/5187: #0: ffff0000cea45140 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline] #0: ffff0000cea45140 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x748/0x1098 kernel/workqueue.c:3397 #1: ffff8000968f7c40 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline] #1: ffff8000968f7c40 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x750/0x1098 kernel/workqueue.c:3397 #2: ffff800089c3bb80 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80 2 locks held by kworker/u8:16/5189: 3 locks held by kworker/u8:17/5191: #0: ffff0000c004b940 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline] #0: ffff0000c004b940 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x748/0x1098 kernel/workqueue.c:3397 #1: ffff8000968b7c40 ((crda_timeout).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3289 [inline] #1: ffff8000968b7c40 ((crda_timeout).work){+.+.}-{0:0}, at: process_scheduled_works+0x750/0x1098 kernel/workqueue.c:3397 #2: ffff800089c3bb80 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80 4 locks held by kworker/u8:18/5193: 3 locks held by kworker/u8:19/5198: 3 locks held by kworker/u8:21/5202: 2 locks held by syz-executor/5295: 2 locks held by syz-executor/5696: 1 lock held by syz-executor/5723: 2 locks held by kworker/1:7/6054: 3 locks held by kworker/u8:22/7199: 3 locks held by kworker/u8:24/7305: 6 locks held by kworker/u8:25/7306: 3 locks held by kworker/u8:27/7308: 1 lock held by syz.6.442/7311: 3 locks held by kworker/u8:28/7312: 4 locks held by kworker/u8:29/7313: 1 lock held by syz.2.480/7540: #0: ffff0000dd57d880 (&sb->s_type->i_mutex_key#12){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1029 [inline] #0: ffff0000dd57d880 (&sb->s_type->i_mutex_key#12){+.+.}-{4:4}, at: __sock_release+0x7c/0x1d4 net/socket.c:721 2 locks held by syz-executor/7562: =============================================