linux-kernel - Re: perf: use-after-free in perf

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Message-ID: <20170307090822.GT6500@twins.programming.kicks-ass.net>
Date:   Tue, 7 Mar 2017 10:08:22 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Dmitry Vyukov <dvyukov@...gle.com>
Cc:     Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        syzkaller <syzkaller@...glegroups.com>,
        Oleg Nesterov <oleg@...hat.com>
Subject: Re: perf: use-after-free in perf_release

On Mon, Mar 06, 2017 at 02:34:50PM +0100, Dmitry Vyukov wrote:
> FWIW here are 2 syzkaller programs that triggered the bug:
> https://gist.githubusercontent.com/dvyukov/d67f980050589775237a7fbdff226bec/raw/4bca72861cb2ede64059b6dad403e19f425a361f/gistfile1.txt

Hurm, previously your gistfile thingies were actual C, but this thing is
gibberish. How do I run it?