BUG: sleeping function called from invalid context at net/core/sock.c:3664 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 49, name: kworker/u5:0 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 6 locks held by kworker/u5:0/49: #0: ffff8880359e9948 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline] #0: ffff8880359e9948 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_scheduled_works+0x98b/0x18e0 kernel/workqueue.c:3319 #1: ffffc90000647c60 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline] #1: ffffc90000647c60 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9c6/0x18e0 kernel/workqueue.c:3319 #2: ffff8880402a4078 (&hdev->lock){+.+.}-{4:4}, at: hci_sync_conn_complete_evt+0xb1/0xaa0 net/bluetooth/hci_event.c:4938 #3: ffffffff9003b928 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:2026 [inline] #3: ffffffff9003b928 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_sync_conn_complete_evt+0x532/0xaa0 net/bluetooth/hci_event.c:5021 #4: ffff8880406e3020 (&conn->lock#3){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline] #4: ffff8880406e3020 (&conn->lock#3){+.+.}-{3:3}, at: sco_conn_ready net/bluetooth/sco.c:1336 [inline] #4: ffff8880406e3020 (&conn->lock#3){+.+.}-{3:3}, at: sco_connect_cfm+0x293/0xc10 net/bluetooth/sco.c:1422 #5: ffff8880406fe258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1624 [inline] #5: ffff8880406fe258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_conn_ready net/bluetooth/sco.c:1349 [inline] #5: ffff8880406fe258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_connect_cfm+0x456/0xc10 net/bluetooth/sco.c:1422 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 UID: 0 PID: 49 Comm: kworker/u5:0 Not tainted 6.14.0-rc7-syzkaller-00205-g586de92313fc #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: __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:8767 lock_sock_nested+0x5d/0x100 net/core/sock.c:3664 lock_sock include/net/sock.h:1624 [inline] sco_conn_ready net/bluetooth/sco.c:1349 [inline] sco_connect_cfm+0x456/0xc10 net/bluetooth/sco.c:1422 hci_connect_cfm include/net/bluetooth/hci_core.h:2029 [inline] hci_sync_conn_complete_evt+0x5ab/0xaa0 net/bluetooth/hci_event.c:5021 hci_event_func net/bluetooth/hci_event.c:7480 [inline] hci_event_packet+0xac1/0x1540 net/bluetooth/hci_event.c:7532 hci_rx_work+0x3f3/0xdb0 net/bluetooth/hci_core.c:4019 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319 worker_thread+0x870/0xd30 kernel/workqueue.c:3400 kthread+0x7a9/0x920 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244