Bluetooth: Wrong link type (-22) Bluetooth: hci3: link tx timeout Bluetooth: hci3: killing stalled connection 10:aa:aa:aa:aa:aa BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 297, name: kworker/u7:3 preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 3 locks held by kworker/u7:3/297: #0: ffff888009763538 ((wq_completion)hci3#2){+.+.}-{0:0}, at: process_one_work+0x69e/0x1450 #1: ffff888037ebfd98 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}, at: process_one_work+0x6d1/0x1450 #2: ffffffff8560d9e0 (rcu_read_lock){....}-{1:2}, at: __check_timeout+0x171/0x480 CPU: 0 PID: 297 Comm: kworker/u7:3 Not tainted 6.5.0-rc5-next-20230808 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: hci3 hci_tx_work Call Trace: dump_stack_lvl+0xc1/0xf0 __might_resched+0x2f9/0x510 __mutex_lock+0x9e/0x1a30 hci_cmd_sync_submit+0x3b/0x2d0 hci_cmd_sync_queue+0x7b/0xb0 hci_disconnect+0x1c2/0x450 __check_timeout+0x2cc/0x480 hci_tx_work+0x11b1/0x1a70 process_one_work+0x7c8/0x1450 worker_thread+0x80e/0x1190 kthread+0x33f/0x440 ret_from_fork+0x48/0x80 ret_from_fork_asm+0x1b/0x30 ============================= [ BUG: Invalid wait context ] 6.5.0-rc5-next-20230808 #1 Tainted: G W ----------------------------- kworker/u7:3/297 is trying to lock: ffff888039b209b0 (&hdev->unregister_lock){+.+.}-{3:3}, at: hci_cmd_sync_submit+0x3b/0x2d0 other info that might help us debug this: context-{4:4} 3 locks held by kworker/u7:3/297: #0: ffff888009763538 ((wq_completion)hci3#2){+.+.}-{0:0}, at: process_one_work+0x69e/0x1450 #1: ffff888037ebfd98 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}, at: process_one_work+0x6d1/0x1450 #2: ffffffff8560d9e0 (rcu_read_lock){....}-{1:2}, at: __check_timeout+0x171/0x480 stack backtrace: CPU: 0 PID: 297 Comm: kworker/u7:3 Tainted: G W 6.5.0-rc5-next-20230808 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: hci3 hci_tx_work Call Trace: dump_stack_lvl+0x91/0xf0 __lock_acquire+0x1605/0x6340 lock_acquire+0x19a/0x4c0 __mutex_lock+0x12a/0x1a30 hci_cmd_sync_submit+0x3b/0x2d0 hci_cmd_sync_queue+0x7b/0xb0 hci_disconnect+0x1c2/0x450 __check_timeout+0x2cc/0x480 hci_tx_work+0x11b1/0x1a70 process_one_work+0x7c8/0x1450 worker_thread+0x80e/0x1190 kthread+0x33f/0x440 ret_from_fork+0x48/0x80 ret_from_fork_asm+0x1b/0x30 Bluetooth: Wrong link type (-22) Bluetooth: Wrong link type (-22) Bluetooth: hci3: link tx timeout Bluetooth: hci3: killing stalled connection 10:aa:aa:aa:aa:aa Bluetooth: Wrong link type (-22) Bluetooth: hci3: link tx timeout Bluetooth: hci3: killing stalled connection 10:aa:aa:aa:aa:aa Bluetooth: Wrong link type (-22) Bluetooth: Wrong link type (-22) Bluetooth: Wrong link type (-22) Bluetooth: Wrong link type (-22) Bluetooth: Wrong link type (-22) Bluetooth: Wrong link type (-22) Bluetooth: Wrong link type (-22) Bluetooth: hci3: link tx timeout Bluetooth: hci3: killing stalled connection 10:aa:aa:aa:aa:aa Bluetooth: Wrong link type (-22) Bluetooth: Wrong link type (-22) Bluetooth: Wrong link type (-22) Bluetooth: Wrong link type (-22) Bluetooth: Wrong link type (-22) Bluetooth: hci3: link tx timeout Bluetooth: hci3: killing stalled connection 10:aa:aa:aa:aa:aa Bluetooth: Wrong link type (-22) Bluetooth: Wrong link type (-22) Bluetooth: Wrong link type (-22) Bluetooth: hci0: link tx timeout Bluetooth: hci0: killing stalled connection 10:aa:aa:aa:aa:aa BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 297, name: kworker/u7:3 preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 INFO: lockdep is turned off. CPU: 0 PID: 297 Comm: kworker/u7:3 Tainted: G W 6.5.0-rc5-next-20230808 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: hci0 hci_tx_work Call Trace: dump_stack_lvl+0xc1/0xf0 __might_resched+0x2f9/0x510 __mutex_lock+0x9e/0x1a30 hci_cmd_sync_submit+0x3b/0x2d0 hci_cmd_sync_queue+0x7b/0xb0 hci_disconnect+0x1c2/0x450 __check_timeout+0x2cc/0x480 hci_tx_work+0x11b1/0x1a70 process_one_work+0x7c8/0x1450 worker_thread+0x80e/0x1190 kthread+0x33f/0x440 ret_from_fork+0x48/0x80 ret_from_fork_asm+0x1b/0x30 Bluetooth: Wrong link type (-22) Bluetooth: hci6: link tx timeout Bluetooth: hci6: killing stalled connection 10:aa:aa:aa:aa:aa Bluetooth: Wrong link type (-22) Bluetooth: Wrong link type (-22) Bluetooth: Wrong link type (-22) Bluetooth: Wrong link type (-22) Bluetooth: Wrong link type (-22) Bluetooth: hci1: link tx timeout Bluetooth: hci1: killing stalled connection 10:aa:aa:aa:aa:aa Bluetooth: Wrong link type (-22) Bluetooth: hci3: link tx timeout Bluetooth: hci3: killing stalled connection 10:aa:aa:aa:aa:aa Bluetooth: Wrong link type (-22) Bluetooth: hci2: link tx timeout Bluetooth: hci2: killing stalled connection 10:aa:aa:aa:aa:aa audit: type=1400 audit(1691493081.010:10): avc: denied { read } for pid=13623 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 audit: type=1400 audit(1691493081.017:11): avc: denied { write } for pid=13623 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout