------------[ cut here ]------------ WARNING: CPU: 1 PID: 4434 at net/bluetooth/hci_conn.c:619 hci_conn_timeout+0x122/0x210 net/bluetooth/hci_conn.c:619 Modules linked in: CPU: 1 PID: 4434 Comm: kworker/u5:1 Not tainted 6.4.0-next-20230630-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: hci0 hci_conn_timeout RIP: 0010:hci_conn_timeout+0x122/0x210 net/bluetooth/hci_conn.c:619 Code: 00 00 e8 71 33 5f f8 4c 89 f1 4c 89 e2 48 c7 c6 a0 a9 95 8b 48 c7 c7 58 4e a6 8e e8 48 0c 1d fb e9 44 ff ff ff e8 4e 33 5f f8 <0f> 0b e8 47 33 5f f8 48 8d bb c9 fd ff ff 48 b8 00 00 00 00 00 fc RSP: 0018:ffffc90006affcf0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888076712270 RCX: 0000000000000000 RDX: ffff88802d035940 RSI: ffffffff8925e062 RDI: 0000000000000005 RBP: 00000000ffffe7ae R08: 0000000000000005 R09: 0000000000000000 R10: 00000000ffffe7ae R11: 1ffffffff21eb8dd R12: ffff888076712000 R13: ffff88802ac6b100 R14: ffff888028f95800 R15: ffff8880176b0000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555d93608 CR3: 0000000072436000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: process_one_work+0xa34/0x16f0 kernel/workqueue.c:2597 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2748 kthread+0x344/0x440 kernel/kthread.c:389 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308