Re: AVX register corruption from signal delivery

From: Borislav Petkov
Date: Tue Nov 26 2019 - 17:14:03 EST


On Tue, Nov 26, 2019 at 04:23:40PM -0500, Barret Rhoden wrote:
> Thanks; config attached. I've been able to recreate it in QEMU with at
> least 2 cores.

Yap, I can too, in my VM.

Btw, would you guys like to submit that reproducer test program

https://bugzilla.kernel.org/attachment.cgi?id=286073

into the kernel selftests pile here:

tools/testing/selftests/x86/

?

It needs proper cleanup to fit kernel coding style but it could be a
good start for collecting interesting FPU test cases...

Thx.

--
Regards/Gruss,
Boris.

https://people.kernel.org/tglx/notes-about-netiquette