------------[ cut here ]------------ WARNING: CPU: 1 PID: 1542 at net/bluetooth/hci_conn.c:412 hci_conn_timeout+0x248/0x2a0 net/bluetooth/hci_conn.c:412 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 1542 Comm: kworker/u5:0 Not tainted 5.9.0-rc4-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+0x198/0x1fd lib/dump_stack.c:118 panic+0x347/0x7c0 kernel/panic.c:231 __warn.cold+0x20/0x46 kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:hci_conn_timeout+0x248/0x2a0 net/bluetooth/hci_conn.c:412 Code: 93 a0 02 00 00 48 c1 e8 03 80 3c 08 00 75 50 48 8b 35 9c 38 8e 03 bf 40 00 00 00 e8 82 f3 27 fa e9 21 ff ff ff e8 b8 19 50 fa <0f> 0b e9 2c fe ff ff 48 89 ef e8 99 1f 90 fa e9 f2 fd ff ff e8 6f RSP: 0018:ffffc900056b7ce8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88809b664130 RCX: ffffffff872431dd RDX: ffff8880a405a1c0 RSI: ffffffff872433c8 RDI: 0000000000000005 RBP: 00000000ffff6ba3 R08: 0000000000000000 R09: ffff88809b664013 R10: 0000000000000000 R11: 1ffffffff18367c0 R12: 0000000000000001 R13: ffff88809b664140 R14: ffff8880a62c2f00 R15: ffff8880a447f800 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x3b5/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Kernel Offset: disabled Rebooting in 86400 seconds..