INFO: task kworker/0:19:23313 blocked for more than 143 seconds. Tainted: G U L syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:19 state:D stack:28520 pid:23313 tgid:23313 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: events_power_efficient reg_check_chans_work Call Trace: context_switch kernel/sched/core.c:5256 [inline] __schedule+0x1139/0x6150 kernel/sched/core.c:6863 __schedule_loop kernel/sched/core.c:6945 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:6960 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7017 __mutex_lock_common kernel/locking/mutex.c:692 [inline] __mutex_lock+0xc69/0x1ca0 kernel/locking/mutex.c:776 class_wiphy_constructor include/net/cfg80211.h:6363 [inline] reg_leave_invalid_chans net/wireless/reg.c:2441 [inline] reg_check_chans_work+0x11b/0x1190 net/wireless/reg.c:2456 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257 process_scheduled_works kernel/workqueue.c:3340 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 Showing all locks held in the system: 4 locks held by kworker/0:0/9: 4 locks held by kworker/1:0/24: #0: ffff88802dfb7d48 ((wq_completion)wg-kex-wg1#14){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232 #1: ffffc900001e7c90 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233 #2: ffff888031ff9308 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_consume_response+0x22b/0x950 drivers/net/wireguard/noise.c:742 #3: ffff88807dded278 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_consume_response+0x2f7/0x950 drivers/net/wireguard/noise.c:753 1 lock held by khungtaskd/31: #0: ffffffff8e3c9520 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff8e3c9520 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:867 [inline] #0: ffffffff8e3c9520 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 kernel/locking/lockdep.c:6775 4 locks held by kworker/1:1/54: #0: ffff88802db9e548 ((wq_completion)wg-kex-wg1#24){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232 #1: ffffc90000bf7c90 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233 #2: ffff888058991308 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_consume_response+0x22b/0x950 drivers/net/wireguard/noise.c:742 #3: ffff88802f804890 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_consume_response+0x2f7/0x950 drivers/net/wireguard/noise.c:753 2 locks held by kworker/0:2/794: 2 locks held by kworker/u8:12/3778: #0: ffff88801db19148 ((wq_completion)iou_exit){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232 #1: ffffc9000ce27c90 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233 2 locks held by kworker/0:5/5880: 4 locks held by kworker/1:5/5926: #0: ffff888059682d48 ((wq_completion)wg-kex-wg1#27){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232 #1: ffffc900045afc90 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233 #2: ffff888031fa9308 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_consume_response+0x22b/0x950 drivers/net/wireguard/noise.c:742 #3: ffff88807dde8d20 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_consume_response+0x2f7/0x950 drivers/net/wireguard/noise.c:753 1 lock held by syz.4.410/7610: 3 locks held by kworker/u10:1/12813: 3 locks held by kworker/u10:2/12814: #0: ffff8880305bf948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232 #1: ffffc90004367c90 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233 #2: ffffffff901453e8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #2: ffffffff901453e8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4734 4 locks held by kworker/u10:5/12820: #0: ffff8880925b5948 ((wq_completion)wg-kex-wg1#26){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232 #1: ffffc9000441fc90 ((work_completion)(&peer->transmit_handshake_work)){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233 #2: ffff888069ac9308 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0xec/0x610 drivers/net/wireguard/noise.c:529 #3: ffff88805688c890 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0x100/0x610 drivers/net/wireguard/noise.c:530 3 locks held by kworker/u10:6/12825: 3 locks held by kworker/u10:8/12846: 4 locks held by kworker/u10:9/12853: 3 locks held by kworker/u10:11/12858: 4 locks held by kworker/u10:16/12909: 4 locks held by kworker/u10:19/13137: 2 locks held by kworker/u10:20/13177: 3 locks held by kworker/u10:21/13245: 3 locks held by kworker/u10:22/13248: 3 locks held by kworker/u10:24/13570: 4 locks held by kworker/u10:25/13661: 3 locks held by kworker/u10:26/13662: 4 locks held by kworker/u10:32/13668: #0: ffff8880350b9948 ((wq_completion)wg-kex-wg1#13){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232 #1: ffffc9000508fc90 ((work_completion)(&peer->transmit_handshake_work)){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233 #2: ffff888031ff9308 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0xec/0x610 drivers/net/wireguard/noise.c:529 #3: ffff88807dded278 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0x100/0x610 drivers/net/wireguard/noise.c:530 4 locks held by kworker/u10:33/13669: 3 locks held by kworker/u10:38/13674: 3 locks held by kworker/u10:41/13678: 3 locks held by kworker/u10:42/13679: 4 locks held by kworker/u10:43/13680: 3 locks held by kworker/u10:44/13681: 4 locks held by kworker/u10:45/13682: 3 locks held by kworker/u10:46/13684: 4 locks held by kworker/u11:4/13797: #0: ffff88805d48c148 ((wq_completion)hci0){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232 #1: ffffc90004cffc90 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233 #2: ffff888032a04ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x175/0x470 net/bluetooth/hci_sync.c:331 #3: ffff888032a040c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x13f/0xb20 net/bluetooth/hci_sync.c:5702 2 locks held by getty/14992: #0: ffff8880313490a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc900036dd2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x1510 drivers/tty/n_tty.c:2211 4 locks held by kworker/1:4/15858: #0: ffff88807c857948 ((wq_completion)wg-kex-wg2#10){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232 #1: ffffc900057efc90 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233 #2: ffff8880303b9308 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_consume_initiation+0x1c2/0x880 drivers/net/wireguard/noise.c:598 #3: ffff8880578a34c0 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_consume_initiation+0x666/0x880 drivers/net/wireguard/noise.c:643 3 locks held by kworker/1:8/18003: #0: ffff88801f3a0548 ((wq_completion)wg-kex-wg1#25){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232 #1: ffffc9000cd97c90 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233 #2: ffff88805688c890 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_begin_session+0x30/0xe80 drivers/net/wireguard/noise.c:822 4 locks held by kworker/u10:50/18621: 3 locks held by kworker/u10:52/18623: 4 locks held by kworker/u10:53/18624: 4 locks held by kworker/u10:54/18625: 2 locks held by kworker/u10:55/18626: #0: ffff88813ff69148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232 #1: ffffc90003637c90 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233 2 locks held by kworker/u10:56/18627: 3 locks held by kworker/u10:57/18628: 2 locks held by kworker/u10:58/18629: 4 locks held by kworker/u10:59/18630: #0: ffff88805c4e0948 ((wq_completion)wg-kex-wg2#9){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232 #1: ffffc900033a7c90 ((work_completion)(&peer->transmit_handshake_work)){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233 #2: ffff8880303b9308 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0xec/0x610 drivers/net/wireguard/noise.c:529 #3: ffff8880578a34c0 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0x100/0x610 drivers/net/wireguard/noise.c:530 3 locks held by kworker/u10:60/18631: 3 locks held by kworker/u10:61/18632: 2 locks held by kworker/u10:62/18633: #0: ffff88813ff69148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232 #1: ffffc90003357c90 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233 3 locks held by kworker/u10:63/18634: 5 locks held by kworker/u10:64/18635: 2 locks held by kworker/u10:65/18636: 4 locks held by kworker/u10:66/18637: 4 locks held by kworker/u10:67/18639: 5 locks held by syz-executor/20969: #0: ffff88803574cec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close+0x26/0xc0 net/bluetooth/hci_core.c:499 #1: ffff88803574c0c0 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x3af/0x1260 net/bluetooth/hci_sync.c:5314 #2: ffffffff903c26c8 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:2143 [inline] #2: ffffffff903c26c8 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xbb/0x290 net/bluetooth/hci_conn.c:2637 #3: ffff88805aa5cb38 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x80/0x760 net/bluetooth/l2cap_core.c:1763 #4: ffffffff8e3d4c78 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock+0x1a3/0x3c0 kernel/rcu/tree_exp.h:343 3 locks held by syz.9.3614/23226: #0: ffff88808093cec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close+0x26/0xc0 net/bluetooth/hci_core.c:499 #1: ffff88808093c0c0 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x3af/0x1260 net/bluetooth/hci_sync.c:5314 #2: ffffffff903c26c8 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:2143 [inline] #2: ffffffff903c26c8 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xbb/0x290 net/bluetooth/hci_conn.c:2637 9 locks held by syz.7.3621/23245: #0: ffff8880353dab78 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2a2/0x370 fs/file.c:1255 #1: ffff888034724420 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #2: ffff888065793888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #3: ffff88802ab0c968 (kn->active#68){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #3: ffff88802ab0c968 (kn->active#68){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #4: ffff88802ac08710 (&atkbd->mutex){+.+.}-{4:4}, at: class_mutex_intr_constructor include/linux/mutex.h:255 [inline] #4: ffff88802ac08710 (&atkbd->mutex){+.+.}-{4:4}, at: atkbd_attr_set_helper.isra.0+0x31/0x260 drivers/input/keyboard/atkbd.c:1463 #5: ffffffff8f9665a8 (input_mutex){+.+.}-{4:4}, at: class_mutex_intr_constructor include/linux/mutex.h:255 [inline] #5: ffffffff8f9665a8 (input_mutex){+.+.}-{4:4}, at: input_register_device+0x992/0x11b0 drivers/input/input.c:2374 #6: ffff88807987e8c0 (&led_cdev->led_access){+.+.}-{4:4}, at: led_classdev_register_ext+0x47e/0xa30 drivers/leds/led-class.c:536 #7: ffffffff8ef5d930 (triggers_list_lock){++++}-{4:4}, at: led_trigger_set_default drivers/leds/led-triggers.c:297 [inline] #7: ffffffff8ef5d930 (triggers_list_lock){++++}-{4:4}, at: led_trigger_set_default+0x89/0x2e0 drivers/leds/led-triggers.c:284 #8: ffff88807987e7d8 (&led_cdev->trigger_lock){+.+.}-{4:4}, at: led_trigger_set_default drivers/leds/led-triggers.c:298 [inline] #8: ffff88807987e7d8 (&led_cdev->trigger_lock){+.+.}-{4:4}, at: led_trigger_set_default+0x92/0x2e0 drivers/leds/led-triggers.c:284 2 locks held by syz.1.3627/23281: #0: ffffffff9012ec10 (pernet_ops_rwsem){++++}-{4:4}, at: copy_net_ns+0x333/0x7c0 net/core/net_namespace.c:577 #1: ffffffff901453e8 (rtnl_mutex){+.+.}-{4:4}, at: ops_exit_rtnl_list net/core/net_namespace.c:173 [inline] #1: ffffffff901453e8 (rtnl_mutex){+.+.}-{4:4}, at: ops_undo_list+0x7e9/0xab0 net/core/net_namespace.c:248 1 lock held by modprobe/23285: 2 locks held by modprobe/23291: 1 lock held by dhcpcd/23300: #0: ffff88807e9b2488 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1027 [inline] #0: ffff88807e9b2488 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: __sock_release+0x86/0x270 net/socket.c:661 1 lock held by dhcpcd/23301: #0: ffff8880388f4148 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1027 [inline] #0: ffff8880388f4148 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: __sock_release+0x86/0x270 net/socket.c:661 1 lock held by dhcpcd/23302: #0: ffff88807e9b63c8 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1027 [inline] #0: ffff88807e9b63c8 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: __sock_release+0x86/0x270 net/socket.c:661 2 locks held by dhcpcd/23303: #0: ffff88807e9b5288 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1027 [inline] #0: ffff88807e9b5288 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: __sock_release+0x86/0x270 net/socket.c:661 #1: ffffffff8e3d4c78 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock+0x1a3/0x3c0 kernel/rcu/tree_exp.h:343 1 lock held by dhcpcd/23304: #0: ffff88807eb73008 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1027 [inline] #0: ffff88807eb73008 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: __sock_release+0x86/0x270 net/socket.c:661 4 locks held by kworker/0:19/23313: #0: ffff88813ff56948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232 #1: ffffc900042bfc90 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233 #2: ffffffff901453e8 (rtnl_mutex){+.+.}-{4:4}, at: reg_check_chans_work+0x91/0x1190 net/wireless/reg.c:2453 #3: ffff888066250788 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6363 [inline] #3: ffff888066250788 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_leave_invalid_chans net/wireless/reg.c:2441 [inline] #3: ffff888066250788 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_check_chans_work+0x11b/0x1190 net/wireless/reg.c:2456 2 locks held by syz-executor/23316: #0: ffff88805b4ce118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:478 [inline] #0: ffff88805b4ce118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline] #0: ffff88805b4ce118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_write+0x2b4/0x480 drivers/bluetooth/hci_vhci.c:616 #1: ffffffff8ef5d930 (triggers_list_lock){++++}-{4:4}, at: led_trigger_register+0x88/0x540 drivers/leds/led-triggers.c:326 3 locks held by syz-executor/23317: #0: ffff88805b4cc918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:478 [inline] #0: ffff88805b4cc918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline] #0: ffff88805b4cc918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_write+0x2b4/0x480 drivers/bluetooth/hci_vhci.c:616 #1: ffffffff8ef5b5f0 (leds_list_lock){++++}-{4:4}, at: led_trigger_register+0x25e/0x540 drivers/leds/led-triggers.c:341 #2: ffff88807987e7d8 (&led_cdev->trigger_lock){+.+.}-{4:4}, at: led_trigger_register+0x2f5/0x540 drivers/leds/led-triggers.c:343 2 locks held by syz-executor/23319: #0: ffff888079d92918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:478 [inline] #0: ffff888079d92918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline] #0: ffff888079d92918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_write+0x2b4/0x480 drivers/bluetooth/hci_vhci.c:616 #1: ffffffff8ef5d930 (triggers_list_lock){++++}-{4:4}, at: led_trigger_register+0x88/0x540 drivers/leds/led-triggers.c:326 2 locks held by syz-executor/23320: #0: ffff888079d95118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:478 [inline] #0: ffff888079d95118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline] #0: ffff888079d95118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_write+0x2b4/0x480 drivers/bluetooth/hci_vhci.c:616 #1: ffffffff8ef5d930 (triggers_list_lock){++++}-{4:4}, at: led_trigger_register+0x88/0x540 drivers/leds/led-triggers.c:326 4 locks held by kworker/1:11/23323: #0: ffff888025a15148 ((wq_completion)wg-kex-wg2#14){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232 #1: ffffc9000495fc90 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233 #2: ffff888033c5d308 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_consume_initiation+0x1c2/0x880 drivers/net/wireguard/noise.c:598 #3: ffff88807ddef030 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_consume_initiation+0x666/0x880 drivers/net/wireguard/noise.c:643 2 locks held by syz-executor/23325: #0: ffff888079d96918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:478 [inline] #0: ffff888079d96918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline] #0: ffff888079d96918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_write+0x2b4/0x480 drivers/bluetooth/hci_vhci.c:616 #1: ffffffff8ef5d930 (triggers_list_lock){++++}-{4:4}, at: led_trigger_register+0x88/0x540 drivers/leds/led-triggers.c:326 2 locks held by syz-executor/23329: #0: ffff888076e40118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:478 [inline] #0: ffff888076e40118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline] #0: ffff888076e40118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_write+0x2b4/0x480 drivers/bluetooth/hci_vhci.c:616 #1: ffffffff8ef5d930 (triggers_list_lock){++++}-{4:4}, at: led_trigger_register+0x88/0x540 drivers/leds/led-triggers.c:326 2 locks held by syz-executor/23330: #0: ffff888076e47918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:478 [inline] #0: ffff888076e47918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline] #0: ffff888076e47918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_write+0x2b4/0x480 drivers/bluetooth/hci_vhci.c:616 #1: ffffffff8ef5d930 (triggers_list_lock){++++}-{4:4}, at: led_trigger_register+0x88/0x540 drivers/leds/led-triggers.c:326 4 locks held by kworker/1:15/23337: #0: ffff88803b21c548 ((wq_completion)wg-kex-wg2#24){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232 #1: ffffc900048bfc90 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233 #2: ffff888085871308 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_consume_initiation+0x1c2/0x880 drivers/net/wireguard/noise.c:598 #3: ffff88807ddeaad8 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_consume_initiation+0x5ac/0x880 drivers/net/wireguard/noise.c:632 2 locks held by syz-executor/23339: #0: ffff888076e43118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:478 [inline] #0: ffff888076e43118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline] #0: ffff888076e43118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_write+0x2b4/0x480 drivers/bluetooth/hci_vhci.c:616 #1: ffffffff8ef5d930 (triggers_list_lock){++++}-{4:4}, at: led_trigger_register+0x88/0x540 drivers/leds/led-triggers.c:326 2 locks held by syz-executor/23342: #0: ffff888076e47118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:478 [inline] #0: ffff888076e47118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline] #0: ffff888076e47118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_write+0x2b4/0x480 drivers/bluetooth/hci_vhci.c:616 #1: ffffffff8ef5d930 (triggers_list_lock){++++}-{4:4}, at: led_trigger_register+0x88/0x540 drivers/leds/led-triggers.c:326 2 locks held by syz-executor/23346: #0: ffff88805652a918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:478 [inline] #0: ffff88805652a918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline] #0: ffff88805652a918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_write+0x2b4/0x480 drivers/bluetooth/hci_vhci.c:616 #1: ffffffff8ef5d930 (triggers_list_lock){++++}-{4:4}, at: led_trigger_register+0x88/0x540 drivers/leds/led-triggers.c:326 2 locks held by syz-executor/23347: #0: ffff88807c39b118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:478 [inline] #0: ffff88807c39b118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline] #0: ffff88807c39b118 (&data->open_mutex){+.+.}-{4:4}, at: vhci_write+0x2b4/0x480 drivers/bluetooth/hci_vhci.c:616 #1: ffffffff8ef5d930 (triggers_list_lock){++++}-{4:4}, at: led_trigger_register+0x88/0x540 drivers/leds/led-triggers.c:326 1 lock held by dhcpcd/23348: #0: ffff888141be0260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1700 [inline] #0: ffff888141be0260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2c/0xf60 net/packet/af_packet.c:3197 2 locks held by kworker/0:21/23349: 2 locks held by kworker/0:22/23350: 4 locks held by kworker/0:23/23351: 4 locks held by kworker/0:24/23352: 2 locks held by kworker/0:25/23353: 3 locks held by kworker/0:26/23354: #0: ffff88813ff55948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232 #1: ffffc90004697c90 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233 #2: ffffffff901453e8 (rtnl_mutex){+.+.}-{4:4}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104 4 locks held by kworker/0:27/23355: 2 locks held by kworker/0:28/23356: 2 locks held by kworker/0:29/23357: 3 locks held by kworker/0:30/23358: 4 locks held by kworker/0:31/23359: 2 locks held by kworker/0:32/23360: 3 locks held by kworker/0:34/23362: 2 locks held by syz-executor/23364: #0: ffff88803215c918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:478 [inline] #0: ffff88803215c918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline] #0: ffff88803215c918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_write+0x2b4/0x480 drivers/bluetooth/hci_vhci.c:616 #1: ffffffff8ef5d930 (triggers_list_lock){++++}-{4:4}, at: led_trigger_register+0x88/0x540 drivers/leds/led-triggers.c:326 2 locks held by syz-executor/23367: #0: ffff88806aa4e918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:478 [inline] #0: ffff88806aa4e918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline] #0: ffff88806aa4e918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_write+0x2b4/0x480 drivers/bluetooth/hci_vhci.c:616 #1: ffffffff8ef5d930 (triggers_list_lock){++++}-{4:4}, at: led_trigger_register+0x88/0x540 drivers/leds/led-triggers.c:326 2 locks held by syz-executor/23371: #0: ffff88805acbd918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:478 [inline] #0: ffff88805acbd918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline] #0: ffff88805acbd918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_write+0x2b4/0x480 drivers/bluetooth/hci_vhci.c:616 #1: ffffffff8ef5d930 (triggers_list_lock){++++}-{4:4}, at: led_trigger_register+0x88/0x540 drivers/leds/led-triggers.c:326 2 locks held by syz-executor/23372: #0: ffff88805acbb918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:478 [inline] #0: ffff88805acbb918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:536 [inline] #0: ffff88805acbb918 (&data->open_mutex){+.+.}-{4:4}, at: vhci_write+0x2b4/0x480 drivers/bluetooth/hci_vhci.c:616 #1: ffffffff8ef5d930 (triggers_list_lock){++++}-{4:4}, at: led_trigger_register+0x88/0x540 drivers/leds/led-triggers.c:326 4 locks held by kworker/u10:0/23373: 4 locks held by kworker/u10:3/23374: #0: ffff888069943148 ((wq_completion)wg-kex-wg1#23){+.+.}-{0:0}, at: process_one_work+0x128d/0x1b20 kernel/workqueue.c:3232 #1: ffffc9000498fc90 ((work_completion)(&peer->transmit_handshake_work)){+.+.}-{0:0}, at: process_one_work+0x914/0x1b20 kernel/workqueue.c:3233 #2: ffff888058991308 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0xec/0x610 drivers/net/wireguard/noise.c:529 #3: ffff88802f804890 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0x100/0x610 drivers/net/wireguard/noise.c:530 3 locks held by kworker/u10:4/23375: 3 locks held by kworker/u10:7/23376: ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Tainted: G U L syzkaller #0 PREEMPT(full) Tainted: [U]=USER, [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] __sys_info lib/sys_info.c:157 [inline] sys_info+0x133/0x180 lib/sys_info.c:165 check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline] watchdog+0xe66/0x1180 kernel/hung_task.c:515 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 12825 Comm: kworker/u10:6 Tainted: G U L syzkaller #0 PREEMPT(full) Tainted: [U]=USER, [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:hlock_class kernel/locking/lockdep.c:234 [inline] RIP: 0010:mark_lock+0x5d/0x9f0 kernel/locking/lockdep.c:4731 Code: 89 d3 83 fa 08 74 6d 41 bd 01 00 00 00 89 d9 41 d3 e5 4d 63 ed 41 0f b7 44 24 20 66 25 ff 1f 0f b7 c0 48 0f a3 05 83 de 1f 14 <0f> 83 84 00 00 00 48 8d 04 80 48 8d 04 80 48 8d 04 c5 60 3a b9 95 RSP: 0018:ffffc90000006c70 EFLAGS: 00000003 RAX: 0000000000000401 RBX: 0000000000000002 RCX: 0000000000000002 RDX: 0000000000000002 RSI: ffff888031454880 RDI: ffff888031453d00 RBP: ffffc90000006d08 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff9088ecd7 R11: ffff88803355ce78 R12: ffff888031454880 R13: 0000000000000004 R14: dffffc0000000000 R15: ffff888031453d00 FS: 0000000000000000(0000) GS:ffff8881248fa000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f938562aeb8 CR3: 000000000e184000 CR4: 00000000003526f0 Call Trace: mark_held_locks+0x49/0x80 kernel/locking/lockdep.c:4325 __trace_hardirqs_on_caller kernel/locking/lockdep.c:4343 [inline] lockdep_hardirqs_on_prepare+0xb8/0x1b0 kernel/locking/lockdep.c:4410 trace_hardirqs_on+0x36/0x40 kernel/trace/trace_preemptirq.c:78 __local_bh_enable_ip+0xa4/0x120 kernel/softirq.c:455 local_bh_enable include/linux/bottom_half.h:33 [inline] ip6t_do_table+0xc02/0x1c30 net/ipv6/netfilter/ip6_tables.c:375 ip6table_mangle_hook+0xc3/0x770 net/ipv6/netfilter/ip6table_mangle.c:73 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline] nf_hook_slow+0xbe/0x200 net/netfilter/core.c:623 nf_hook+0x471/0x7a0 include/linux/netfilter.h:273 NF_HOOK include/linux/netfilter.h:316 [inline] br_nf_forward_ip.part.0+0x5de/0x810 net/bridge/br_netfilter_hooks.c:716 br_nf_forward_ip net/bridge/br_netfilter_hooks.c:676 [inline] br_nf_forward+0xf0f/0x1be0 net/bridge/br_netfilter_hooks.c:773 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline] nf_hook_slow+0xbe/0x200 net/netfilter/core.c:623 nf_hook+0x45e/0x780 include/linux/netfilter.h:273 NF_HOOK include/linux/netfilter.h:316 [inline] __br_forward+0x1be/0x5b0 net/bridge/br_forward.c:115 deliver_clone net/bridge/br_forward.c:131 [inline] br_flood+0x39c/0x650 net/bridge/br_forward.c:250 br_handle_frame_finish+0x1117/0x1f00 net/bridge/br_input.c:229 br_nf_hook_thresh+0x307/0x410 net/bridge/br_netfilter_hooks.c:1167 br_nf_pre_routing_finish_ipv6+0x76a/0xfc0 net/bridge/br_netfilter_ipv6.c:154 NF_HOOK include/linux/netfilter.h:318 [inline] br_nf_pre_routing_ipv6+0x3cd/0x8c0 net/bridge/br_netfilter_ipv6.c:184 br_nf_pre_routing+0x860/0x15b0 net/bridge/br_netfilter_hooks.c:508 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline] nf_hook_bridge_pre net/bridge/br_input.c:291 [inline] br_handle_frame+0xb28/0x14e0 net/bridge/br_input.c:442 __netif_receive_skb_core.constprop.0+0x6b3/0x35b0 net/core/dev.c:6026 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:6137 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6252 process_backlog+0x4a2/0x1650 net/core/dev.c:6604 __napi_poll.constprop.0+0xb3/0x540 net/core/dev.c:7668 napi_poll net/core/dev.c:7731 [inline] net_rx_action+0x9f9/0xfa0 net/core/dev.c:7883 handle_softirqs+0x219/0x950 kernel/softirq.c:622 do_softirq kernel/softirq.c:523 [inline] do_softirq+0xb2/0xf0 kernel/softirq.c:510 __local_bh_enable_ip+0x100/0x120 kernel/softirq.c:450 spin_unlock_bh include/linux/spinlock.h:396 [inline] cfg80211_inform_single_bss_data+0x9ad/0x1d30 net/wireless/scan.c:2389 cfg80211_inform_bss_data+0x22b/0x3be0 net/wireless/scan.c:3228 cfg80211_inform_bss_frame_data+0x26f/0x720 net/wireless/scan.c:3319 ieee80211_bss_info_update+0x310/0xab0 net/mac80211/scan.c:230 ieee80211_rx_bss_info net/mac80211/ibss.c:1094 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1575 [inline] ieee80211_ibss_rx_queued_mgmt+0x1927/0x2fc0 net/mac80211/ibss.c:1602 ieee80211_iface_process_skb net/mac80211/iface.c:1736 [inline] ieee80211_iface_work+0xe28/0x1350 net/mac80211/iface.c:1790 cfg80211_wiphy_work+0x3fb/0x560 net/wireless/core.c:438 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257 process_scheduled_works kernel/workqueue.c:3340 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 net_ratelimit: 6782 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:f6:9f:2b:f7:cf:66, vlan:0)