Re: [REGRESSION] secretmem: SIGBUS on memfd_secret() pages while perf record runs

[Lorenzo Stoakes (ARM)]

On Sat, Oct 03, 2026 at 10:30:10AM -0400, Sasha Levin wrote:
> On Sat, Oct 03, 2026 at 10:18:34AM +0100, Lorenzo Stoakes (ARM) wrote:

> > It was sent late on Friday in a week that I was ill and it's Saturday
> > pre-LPC, so that's hardly a timeframe that I could reasonably have replied.
>
> Keep in mind that our release cycles are fairly short, so this shouldn't be too
> big of a deal?

I mean the same argument could be made both ways :)

>
> We will generally go for the safe option of dropping a commit that introduces a
> regression as it's fairly easy to queue it back up very soon after a
> diagnosis/fix shows up.

I think we'll have to agree to disagree about what was safe in this situation!

Anyway, the commit is fine as-is, and fine to be queued.

I am writing a patch for what seems to be the underlying issue which appears to
be related to how perf accounts things.

I guess I'm going to have to pack for LPC really late today :)

--
Cheers, Lorenzo