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

From: Aleksandr Nogikh

Date: Fri Jan 09 2026 - 02:34:57 EST


On Thu, Jan 8, 2026 at 5:18 PM Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
>
> 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.

Please note that it was not a report from syzbot itself.

>
> Guenter
>