Re: [4.1.x -- 4.6.x and probably HEAD] Reproducible unprivileged panic/TLB BUG on sparc via a stack-protected rt_sigaction() ka_restorer, courtesy of the glibc testsuite

From: Sam Ravnborg
Date: Sun May 29 2016 - 13:30:48 EST

Hi Dave.

> Ok, mystery solved.

Super good explanation...
> ====================
> >From d645a0376b0010cd60ae5651b3b84a56f5b0e5a4 Mon Sep 17 00:00:00 2001
> From: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Date: Sat, 28 May 2016 20:41:12 -0700
> Subject: [PATCH 2/2] sparc64: Fix return from trap window fill crashes.
> We must handle data access exception as well as memory address unaligned
> exceptions from return from trap window fill faults, not just normal
> TLB misses.

It would be nice to include the explanation from the mail in the changelog.
It gives a good background information and it is more accessible in the
commit log rather than mails only.