Bluetooth: hci0: command 0x0419 tx timeout WARNING: CPU: 0 PID: 14 at kernel/workqueue.c:1384 __queue_work+0xc8d/0x1100 kernel/workqueue.c:1384 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events hci_cmd_timeout Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 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:__queue_work+0xc8d/0x1100 kernel/workqueue.c:1384 Code: 03 38 d0 7c 09 84 d2 74 05 e8 0f 3a 5a 00 8b 5b 24 31 ff 83 e3 20 89 de e8 10 5f 24 00 85 db 0f 85 c2 00 00 00 e8 93 5d 24 00 <0f> 0b e9 5d f9 ff ff e8 87 5d 24 00 4c 8d 75 60 41 83 cd 02 e9 02 RSP: 0018:ffff8880b5a97c88 EFLAGS: 00010093 RAX: ffff8880b5a82380 RBX: ffff8880ba02f000 RCX: ffffffff813f9ba6 RDX: 0000000000000000 RSI: ffffffff813e27dd RDI: ffff8880ba02f008 RBP: 0000000000010000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff888077d0a768 R13: ffff8880a910eac0 R14: 0000000000000000 R15: 0000000000000008 queue_work_on+0x17e/0x1f0 kernel/workqueue.c:1489 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 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..