------------[ cut here ]------------ WARNING: CPU: 1 PID: 4289 at net/bluetooth/hci_conn.c:668 hci_conn_timeout+0x24f/0x450 net/bluetooth/hci_conn.c:668 Modules linked in: CPU: 1 PID: 4289 Comm: kworker/u5:8 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Workqueue: hci4 hci_conn_timeout RIP: 0010:hci_conn_timeout+0x24f/0x450 net/bluetooth/hci_conn.c:668 Code: 20 8e e8 54 86 a0 f8 48 8b 35 15 4d ed 04 bf 08 00 00 00 48 89 da 5b 41 5c 41 5d 41 5e 41 5f 5d e9 06 5f 21 f8 e8 71 5e 4f f8 <0f> 0b e9 35 fe ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd RSP: 0000:ffffc90003f47c08 EFLAGS: 00010293 RAX: ffffffff8932c29f RBX: ffff888041da4330 RCX: ffff888026733c00 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: 00000000ffffffff R08: ffff888041da4013 R09: 1ffff110083b4802 R10: dffffc0000000000 R11: ffffed10083b4803 R12: ffffffff81557724 R13: dffffc0000000000 R14: ffff888041da4000 R15: ffff888041da4010 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1c083f6d58 CR3: 000000002dfc1000 CR4: 00000000003506e0 DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000200000000300 DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: process_one_work+0x8ab/0x1160 kernel/workqueue.c:2292 worker_thread+0xaf5/0x12a0 kernel/workqueue.c:2439 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295