------------[ cut here ]------------ WARNING: CPU: 1 PID: 51 at net/bluetooth/hci_conn.c:568 hci_conn_timeout+0xff/0x290 net/bluetooth/hci_conn.c:568 Modules linked in: CPU: 1 UID: 0 PID: 51 Comm: kworker/u9:0 Not tainted 6.15.0-syzkaller-ge41079f53e87 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: hci0 hci_conn_timeout RIP: 0010:hci_conn_timeout+0xff/0x290 net/bluetooth/hci_conn.c:568 Code: 48 89 df e8 03 fc 08 00 eb 07 e8 3c 42 5b f7 b0 13 0f b6 f0 48 89 df 5b 41 5c 41 5e 41 5f 5d e9 37 cf fe ff e8 22 42 5b f7 90 <0f> 0b 90 eb 8c 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 31 ff ff ff RSP: 0018:ffffc90000bc7a50 EFLAGS: 00010293 RAX: ffffffff8a6519ae RBX: ffff88807ea34000 RCX: ffff88801af63c00 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: 00000000ffffffff R08: ffff88807ea34013 R09: 1ffff1100fd46802 R10: dffffc0000000000 R11: ffffed100fd46803 R12: dffffc0000000000 R13: ffff8880202e5318 R14: ffff88807ea34948 R15: ffff88807ea34010 FS: 0000000000000000(0000) GS:ffff888125d55000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3051eff8 CR3: 000000007a226000 CR4: 00000000003526f0 DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3321 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245