Bluetooth: hci0: command tx timeout
BUG: sleeping function called from invalid context at net/core/sock.c:3613
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5310, name: kworker/u5:2
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
6 locks held by kworker/u5:2/5310:
 #0: ffff888043fe2148 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
 #0: ffff888043fe2148 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
 #1: ffffc9000d40fd00 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
 #1: ffffc9000d40fd00 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
 #2: ffff888043cec078 (&hdev->lock){+.+.}-{3:3}, at: hci_sync_conn_complete_evt+0xb1/0xaa0 net/bluetooth/hci_event.c:4926
 #3: ffffffff8fe40368 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:1957 [inline]
 #3: ffffffff8fe40368 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_sync_conn_complete_evt+0x532/0xaa0 net/bluetooth/hci_event.c:5009
 #4: ffff88803da8d220 (&conn->lock#2){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #4: ffff88803da8d220 (&conn->lock#2){+.+.}-{2:2}, at: sco_conn_ready net/bluetooth/sco.c:1283 [inline]
 #4: ffff88803da8d220 (&conn->lock#2){+.+.}-{2:2}, at: sco_connect_cfm+0x28a/0xb40 net/bluetooth/sco.c:1368
 #5: ffff888042e2c258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1611 [inline]
 #5: ffff888042e2c258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_conn_ready net/bluetooth/sco.c:1296 [inline]
 #5: ffff888042e2c258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_connect_cfm+0x461/0xb40 net/bluetooth/sco.c:1368
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 UID: 0 PID: 5310 Comm: kworker/u5:2 Not tainted 6.12.0-rc7-syzkaller-00070-g0a9b9d17f3a7 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: hci0 hci_rx_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 __might_resched+0x5d4/0x780 kernel/sched/core.c:8656
 lock_sock_nested+0x5d/0x100 net/core/sock.c:3613
 lock_sock include/net/sock.h:1611 [inline]
 sco_conn_ready net/bluetooth/sco.c:1296 [inline]
 sco_connect_cfm+0x461/0xb40 net/bluetooth/sco.c:1368
 hci_connect_cfm include/net/bluetooth/hci_core.h:1960 [inline]
 hci_sync_conn_complete_evt+0x5ab/0xaa0 net/bluetooth/hci_event.c:5009
 hci_event_func net/bluetooth/hci_event.c:7443 [inline]
 hci_event_packet+0xac2/0x1540 net/bluetooth/hci_event.c:7495
 hci_rx_work+0x3fe/0xd80 net/bluetooth/hci_core.c:4031
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Bluetooth: hci0: Ignoring HCI_Sync_Conn_Complete event for existing connection