Re: Possible regression in "slab, slub: skip unnecessary kasan_cache_shutdown()"

From: Shakeel Butt
Date: Mon Jun 18 2018 - 23:59:28 EST


On Mon, Jun 18, 2018 at 7:51 PM Jason A. Donenfeld <Jason@xxxxxxxxx> wrote:
>
> Hello Shakeel,
>
> It may be the case that f9e13c0a5a33d1eaec374d6d4dab53a4f72756a0 has
> introduced a regression. I've bisected a failing test to this commit,
> and after staring at the my code for a long time, I'm unable to find a
> bug that this commit might have unearthed. Rather, it looks like this
> commit introduces a performance optimization, rather than a
> correctness fix, so it seems that whatever test case is failing is
> likely an incorrect failure. Does that seem like an accurate
> possibility to you?
>
> Below is a stack trace when things go south. Let me know if you'd like
> to run my test suite, and I can send additional information.
>
> Regards,
> Jason
>

Hi Jason, yes please do send me the test suite with the kernel config.

Shakeel