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Date: Wed, 2 Oct 2013 18:34:37 -0400
From: Dave Jones <davej@redhat.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Andrey Konovalov <andreyknvl@google.com>, linux-kernel@vger.kernel.org,
        fweisbec@gmail.com, mingo@redhat.com,
        Dmitry Vyukov <dvyukov@google.com>, Kostya Serebryany <kcc@google.com>
Subject: Re: Fwd: Potential out-of-bounds in ftrace_regex_release
Message-ID: <20131002223437.GA15728@redhat.com>
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On Wed, Oct 02, 2013 at 04:18:02PM -0400, Steven Rostedt wrote:
 > On Wed, 2013-10-02 at 14:57 -0400, Dave Jones wrote:
 > 
 > > And that's the cause. I wonder what was being opened.
 > > Do you happen to have a trinity-child log for that thread ?
 > 
 > Thanks for the update. This definitely looks like the bug, and explains
 > a lot. I'll look into this, as I'm currently at a conference, it may be
 > sporadic.

another potential clue.. I looked over some logs from some crashes, and saw that just before
the crash, there was a call to unshare(), after which the uid changed from 1000 to 65534.
Is that something that ftrace is prepared for ?

	Dave