Re: [syzbot] Kernel panic in pcipcwd_get_status due to simulated overheat

From: Guenter Roeck

Date: Thu Jan 08 2026 - 12:18:18 EST


On Thu, Jan 08, 2026 at 10:50:35AM +0800, 王志 wrote:
> syzbot has found the following issue on:
>
> HEAD commit: 6.18.0 (custom build)
> git tree: linux-stable
> console output: (see below)
> kernel config: (attached)
>
> ---
>
> pcwd_pci: Card timer not enabled
> pcwd_pci: Unexpected close, not stopping watchdog!
> pcwd_pci: Card timer not enabled
> pcwd_pci: Unexpected close, not stopping watchdog!
> pcwd_pci: Card timer not enabled
> Kernel panic - not syncing: pcwd_pci: Temperature overheat trip!

You mean syzbot now complains that a driver is doing exactly what
it is supposed to be doing ? Really ?

It is not surprising that more and more people consider syzbot reports
to be just noise.

Guenter