BUG: workqueue leaked atomic, lock or RCU: kworker/u9:2[5095] preempt=0x00000000 lock=0->1 RCU=0->0 workfn=hci_rx_work 1 lock held by kworker/u9:2/5095: #0: ffff88802b7fc518 (&chan->lock/1){+.+.}-{3:3}, at: l2cap_chan_lock include/net/bluetooth/l2cap.h:827 [inline] #0: ffff88802b7fc518 (&chan->lock/1){+.+.}-{3:3}, at: l2cap_conless_channel net/bluetooth/l2cap_core.c:6764 [inline] #0: ffff88802b7fc518 (&chan->lock/1){+.+.}-{3:3}, at: l2cap_recv_frame+0x7ce/0x10840 net/bluetooth/l2cap_core.c:6830 CPU: 0 UID: 0 PID: 5095 Comm: kworker/u9:2 Not tainted 6.10.0-rc5-next-20240627-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Workqueue: hci6 hci_rx_work Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 process_one_work kernel/workqueue.c:3245 [inline] process_scheduled_works+0x1121/0x1830 kernel/workqueue.c:3305 worker_thread+0x86d/0xd40 kernel/workqueue.c:3383 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244