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

From: Guenter Roeck
Date: Thu Nov 18 2021 - 01:26:47 EST

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

Adding more folks from a private report and

and for the new people, here's a lore link for this thread:

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 ?