linux-kernel - Re: [PATCH 1/2] unwind: prevent KASAN false positive warnings in guess unwinder

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20161117202626.gxinowu2lwd5ik5v@treble>
Date:   Thu, 17 Nov 2016 14:26:26 -0600
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     x86@...nel.org
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Vince Weaver <vincent.weaver@...ne.edu>,
        linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        davej@...emonkey.org.uk, dvyukov@...gle.com,
        Stephane Eranian <eranian@...il.com>
Subject: Re: [PATCH 1/2] unwind: prevent KASAN false positive warnings in
 guess unwinder

On Thu, Nov 17, 2016 at 09:57:23AM -0600, Josh Poimboeuf wrote:
> The guess unwinder scans the entire stack, which can cause KASAN
> "stack-out-of-bounds" false positive warnings.  Tell KASAN to ignore it.
> 
> Reported-by: Peter Zijlstra <peterz@...radead.org>
> Signed-off-by: Josh Poimboeuf <jpoimboe@...hat.com>

Whoops, forgot to prefix the patch subjects with "x86/".

-- 
Josh