Bluetooth: hci5: link tx timeout Bluetooth: hci5: 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: 281, name: kworker/u5:3 preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 3 locks held by kworker/u5:3/281: #0: ffff88803f23d138 ((wq_completion)hci5#2){+.+.}-{0:0}, at: process_one_work+0x99d/0x1770 #1: ffff888019107d90 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}, at: process_one_work+0x9d0/0x1770 #2: ffffffff8560c3e0 (rcu_read_lock){....}-{1:2}, at: __check_timeout+0x171/0x480 CPU: 1 PID: 281 Comm: kworker/u5:3 Not tainted 6.5.0-rc3-next-20230724 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: hci5 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+0xabf/0x1770 worker_thread+0x64f/0x12a0 kthread+0x33f/0x440 ret_from_fork+0x2f/0x70 ret_from_fork_asm+0x1b/0x30 ============================= [ BUG: Invalid wait context ] 6.5.0-rc3-next-20230724 #1 Tainted: G W ----------------------------- kworker/u5:3/281 is trying to lock: ffff88804462c9b0 (&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/u5:3/281: #0: ffff88803f23d138 ((wq_completion)hci5#2){+.+.}-{0:0}, at: process_one_work+0x99d/0x1770 #1: ffff888019107d90 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}, at: process_one_work+0x9d0/0x1770 #2: ffffffff8560c3e0 (rcu_read_lock){....}-{1:2}, at: __check_timeout+0x171/0x480 stack backtrace: CPU: 1 PID: 281 Comm: kworker/u5:3 Tainted: G W 6.5.0-rc3-next-20230724 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: hci5 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+0xabf/0x1770 worker_thread+0x64f/0x12a0 kthread+0x33f/0x440 ret_from_fork+0x2f/0x70 ret_from_fork_asm+0x1b/0x30 netlink: 'syz-executor.7': attribute type 39 has an invalid length. netlink: 'syz-executor.7': attribute type 39 has an invalid length. netlink: 'syz-executor.7': attribute type 39 has an invalid length. Bluetooth: hci5: command 0x0406 tx timeout netlink: 'syz-executor.7': attribute type 39 has an invalid length. sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 netlink: 'syz-executor.7': attribute type 39 has an invalid length. sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2