------------[ cut here ]------------ WARNING: CPU: 1 PID: 8185 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: 8185 Comm: kworker/u5:2 Not tainted 4.19.166-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: ac 42 fa e9 49 fe ff ff 48 8d bb 40 0f 00 00 e8 8d ac 42 fa e9 00 fe ff ff e8 c3 83 0c fa 48 c7 c7 60 18 5d 89 e8 a6 7d f7 f9 <0f> 0b e9 53 40 ff ff e8 ab 83 0c fa e8 86 92 42 fa 48 c7 c7 40 2e RSP: 0018:ffff88805f8e7d10 EFLAGS: 00010286 RAX: 0000000000000024 RBX: ffff8880b0c84720 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814fdd11 RDI: ffffed100bf1cf94 RBP: 00000000fffffffe R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880b0c84600 R13: ffff8880a904c400 R14: ffff8880b2508940 R15: ffff8880b1256400 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..