Re: [PATCH v2 1/1] hung_task: fix warnings caused by unaligned lock pointers

From: Geert Uytterhoeven
Date: Thu Oct 09 2025 - 03:11:29 EST


Hi Andrew,

On Thu, 9 Oct 2025 at 06:04, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Thu, 9 Oct 2025 10:01:18 +0800 Lance Yang <lance.yang@xxxxxxxxx> wrote:
> > I think we fundamentally disagree on whether this fix for known
> > false-positive warnings is needed for -stable.
>
> Having the kernel send scary warnings to our users is really bad
> behavior. And if we don't fix it, people will keep reporting it.

As the issue is present in v6.16 and v6.17, I think that warrants -stable.

> And removing a WARN_ON is a perfectly good way of fixing it. The
> kernel has 19,000 WARNs, probably seven of which are useful :(

Right. And there is panic_on_warn...

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds