------------[ cut here ]------------
WARNING: CPU: 1 PID: 6499 at net/bluetooth/hci_conn.c:404 hci_conn_timeout.cold+0x11/0x18 net/bluetooth/hci_conn.c:404
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 6499 Comm: kworker/u5:2 Not tainted 4.19.143-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: hci0 hci_conn_timeout
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x61 kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:hci_conn_timeout.cold+0x11/0x18 net/bluetooth/hci_conn.c:404
Code: 6d 24 fb e9 49 fe ff ff 48 8d bb 40 0f 00 00 e8 8d 6d 24 fb e9 00 fe ff ff e8 f3 4b ee fa 48 c7 c7 40 d5 39 88 e8 06 58 d9 fa <0f> 0b e9 eb 4c ff ff e8 db 4b ee fa e8 86 53 24 fb 48 c7 c7 80 dd
RSP: 0018:ffff8880a5307d18 EFLAGS: 00010282
RAX: 0000000000000024 RBX: ffff8880a4dfe660 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8154d001 RDI: ffffed1014a60f95
RBP: 00000000ffff57ae R08: 0000000000000024 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880a75d96d0
R13: ffff88809f5a2300 R14: ffff8880a75d9680 R15: ffff8880a6bf1400
 process_one_work+0x864/0x1570 kernel/workqueue.c:2155
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Kernel Offset: disabled
Rebooting in 86400 seconds..