Bluetooth: hci3: unexpected event for opcode 0x080c ------------[ cut here ]------------ WARNING: CPU: 2 PID: 5931 at net/bluetooth/hci_conn.c:568 hci_conn_timeout+0x11a/0x210 net/bluetooth/hci_conn.c:568 Modules linked in: CPU: 2 UID: 0 PID: 5931 Comm: kworker/u33:2 Not tainted 6.15.0-rc6-syzkaller-00188-gfee3e843b309 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: hci3 hci_conn_timeout RIP: 0010:hci_conn_timeout+0x11a/0x210 net/bluetooth/hci_conn.c:568 Code: 00 e8 4a 24 52 f7 4c 89 f1 4c 89 e2 48 c7 c6 00 b7 d8 8c 48 c7 c7 28 94 80 90 e8 b1 2c 98 fa e9 4d ff ff ff e8 27 24 52 f7 90 <0f> 0b 90 e8 1e 24 52 f7 48 8d bb f5 f6 ff ff 48 b8 00 00 00 00 00 RSP: 0018:ffffc9000417fc38 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88804ea68948 RCX: ffffffff8a69216f RDX: ffff8880217d0000 RSI: ffffffff8a692219 RDI: 0000000000000005 RBP: 00000000ffffffff R08: 0000000000000005 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000002bb0 R12: ffff88804ea68000 R13: 0000000000000000 R14: ffffffff90852fb4 R15: ffffc9000417fd18 FS: 0000000000000000(0000) GS:ffff8880d6bdf000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555919e3808 CR3: 000000004a9e4000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245