Re: mmstress[1309]: segfault at 7f3d71a36ee8 ip 00007f3d77132bdf sp 00007f3d71a36ee8 error 4 in libc-2.27.so[7f3d77058000+1aa000]

From: Naresh Kamboju
Date: Wed Oct 21 2020 - 13:23:14 EST


On Wed, 21 Oct 2020 at 22:35, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> On Wed, Oct 21, 2020 at 9:58 AM Naresh Kamboju
> <naresh.kamboju@xxxxxxxxxx> wrote:
> >
> > LTP mm mtest05 (mmstress), mtest06_3 and mallocstress01 (mallocstress) tested on
> > x86 KASAN enabled build. But tests are getting PASS on Non KASAN builds.
> > This regression started happening from next-20201015 nowards
>
> Is it repeatable enough to be bisectable?

Yes. This is easily reproducible.
I will bisect and report here.

>
> Linus

- Naresh