Re: regress caused by upstream commit 6650527444dadc63d84aa939d14ecba4fadb2f69

Thorsten Leemhuis <[email protected]> Wed, 29 Jul 2026 16:30:19 +0200

Newsgroups	dev.linux.lists.regressions,org.kernel.vger.linux-fsdevel
Message-ID	<[email protected]>

On 7/29/26 15:45, Jann Horn wrote:
> On Wed, Jul 29, 2026 at 11:08 AM Pasha Boroffski
> <[email protected]> wrote:
>> Hello.
>> I believe 6650527444dadc63d84aa939d14ecba4fadb2f69 has a bug in it as it causes "kernel bug" with PREEMPT_RT enabled.
> [...]
> Ugh, yes. This is not an issue on mainline, but the API contract of
> mm_access() changed in commit cd3f8467afd4 ("mm: refactor mm_access()
> to not return NULL"), which landed in 6.13. So we'll need a
> stable-specific fixup for 6.12 and lower.
> 
> I'll try to come up with a patch for stable later today.

I believe Sasha already handled that:
https://lore.kernel.org/all/[email protected]/

Ciao, Thorsten