linux-kernel - Re: out of bounds strscpy from seccomp_actions_logged

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Message-ID: <20171025001831.avuyouhphfdc42bq@codemonkey.org.uk>
Date:   Tue, 24 Oct 2017 20:18:31 -0400
From:   Dave Jones <davej@...emonkey.org.uk>
To:     Tyler Hicks <tyhicks@...onical.com>
Cc:     Kees Cook <keescook@...omium.org>,
        Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: out of bounds strscpy from seccomp_actions_logged_handler

On Tue, Oct 24, 2017 at 06:54:25PM -0500, Tyler Hicks wrote:
 > On 10/24/2017 06:46 PM, Dave Jones wrote:
 > > (Triggered with trinity, but it seems just a 'cat
 > > /proc/sys/kernel/seccomp/actions_logged' reproduces just as easily).
 > 
 > Hi Dave - Thanks for the report. This is a false positive that was
 > previously discussed here:
 > 
 > https://lkml.kernel.org/r/<20171010182805.52b9b2af@...uba.netronome.com>
 
Bah, I thought this smelled familiar.  I'll just roll Andrey's
workaround diff into my builds for fuzzing runs until someone figures
out something better.

	Dave