------------[ cut here ]------------ WARNING: CPU: 0 PID: 1226 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: 0 PID: 1226 Comm: kworker/u5:0 Not tainted 4.19.136-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: cb 24 fb e9 49 fe ff ff 48 8d bb 40 0f 00 00 e8 cd cb 24 fb e9 00 fe ff ff e8 63 ae ee fa 48 c7 c7 40 c2 39 88 e8 06 bc d9 fa <0f> 0b e9 eb 4c ff ff e8 4b ae ee fa e8 c6 b1 24 fb 48 c7 c7 80 ca RSP: 0018:ffff8880a7597d18 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8880a5e8a720 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8154cf01 RDI: ffffed1014eb2f95 RBP: 00000000ffffffff R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880a7500050 R13: ffff8880a7bf8b00 R14: ffff8880a7500000 R15: ffff8880893c9800 process_one_work+0x864/0x1570 kernel/workqueue.c:2155 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298 kthread+0x30b/0x410 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Kernel Offset: disabled Rebooting in 86400 seconds..