------------[ cut here ]------------ WARNING: CPU: 1 PID: 8058 at net/bluetooth/hci_conn.c:404 hci_conn_timeout+0x1ef/0x3f0 net/bluetooth/hci_conn.c:404 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8058 Comm: kworker/u5:7 Not tainted 4.14.209-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: hci2 hci_conn_timeout Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x4b kernel/panic.c:547 report_bug+0x208/0x249 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:hci_conn_timeout+0x1ef/0x3f0 net/bluetooth/hci_conn.c:404 RSP: 0000:ffff888094c5fd30 EFLAGS: 00010297 RAX: ffff8880b019a080 RBX: ffff888094c30220 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff888094c30110 RBP: ffff888094c30220 R08: ffffffff8b9aebc8 R09: 0000000000040666 R10: ffff8880b019a930 R11: ffff8880b019a080 R12: ffff888094c30100 R13: 00000000ffffffff R14: ffff8880b28ff100 R15: ffff888078d56c00 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Kernel Offset: disabled Rebooting in 86400 seconds..