From: Ingo Molnar <mingo@kernel.org>
To: Vince Weaver <vincent.weaver@maine.edu>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
"dvyukov@google.com" <dvyukov@google.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>
Subject: Re: perf: fuzzer KASAN: global-out-of-bounds in match_token
Date: Fri, 18 Nov 2016 09:24:36 +0100 [thread overview]
Message-ID: <20161118082436.GA6992@gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.20.1611172149260.14035@macbook-air>
* Vince Weaver <vincent.weaver@maine.edu> wrote:
> On Thu, 17 Nov 2016, Vince Weaver wrote:
>
> > On Thu, 17 Nov 2016, Vince Weaver wrote:
> > > >
> > > > [ 911.507365] ==================================================================
> > > > [ 911.514824] BUG: KASAN: global-out-of-bounds in match_token+0x268/0x310 at addr ffffffffb14ad058
> > > > [ 911.523912] Read of size 8 by task perf_fuzzer/20662
> > > > [ 911.528945] Address belongs to variable if_tokens+0x78/0xa0
>
> I managed to create a short reproducer that reliably causes the issue on
> my skylake test machine.
Awesome, thanks a lot Vince!
Ingo
next prev parent reply other threads:[~2016-11-18 8:24 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-17 20:24 perf: fuzzer KASAN: global-out-of-bounds in match_token Vince Weaver
2016-11-17 20:37 ` Vince Weaver
2016-11-17 22:11 ` Vince Weaver
2016-11-18 2:51 ` Vince Weaver
2016-11-18 8:24 ` Ingo Molnar [this message]
2016-11-18 11:38 ` Alexander Shishkin
2016-11-18 18:02 ` Vince Weaver
2016-11-21 10:38 ` [tip:perf/urgent] perf/core: Fix address filter parser tip-bot for Alexander Shishkin
2016-11-17 23:11 ` perf: fuzzer KASAN: global-out-of-bounds in match_token Andi Kleen
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