Re: [PATCH 5.15 000/923] 5.15.3-rc3 review

[Guenter Roeck]

On 11/17/21 4:16 PM, Kees Cook wrote:
> On Wed, Nov 17, 2021 at 03:50:17PM -0800, Linus Torvalds wrote:
> > Sorry for top-posting and quoting this all, but the actual people
> > involved with the wchan changes don't seem to be on the participant
> > list.
>
> Adding more folks from a private report and
> https://bugzilla.kernel.org/show_bug.cgi?id=215031
>
> and for the new people, here's a lore link for this thread:
> https://lore.kernel.org/stable/YZV02RCRVHIa144u@xxxxxxxxxxxxxxxxxxxx/
>
>
> FWIW, earlier bisection pointed to the stable backport of
> 5d1ceb3969b6b2e47e2df6d17790a7c5a20fcbb4 being the primary culprit.
> At first glance it seems to me that the problem with -stable is that an
> unvetted subset of the wchan refactoring series landed in -stable.

Can the (partial) wchan backport possibly be dropped from v5.15.y until
someone figures out what exactly - if anything - is needed ?

Thanks,
Guenter