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From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Ingo Molnar <mingo@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perf buildid: fix off-by-one in write_buildid()
Date: Wed, 20 Apr 2016 10:23:04 -0300	[thread overview]
Message-ID: <20160420132304.GN3677@kernel.org> (raw)
In-Reply-To: <571777C6.9040809@intel.com>

Em Wed, Apr 20, 2016 at 03:36:22PM +0300, Adrian Hunter escreveu:
> On 19/04/16 16:40, Arnaldo Carvalho de Melo wrote:
> > Em Tue, Apr 19, 2016 at 11:17:27AM +0300, Andrey Ryabinin escreveu:
> >> write_buildid() increments 'name_len' with intention to take into account
> >> trailing zero byte. However, 'name_len' was already incremented in
> >> machine__write_buildid_table() before.
> >> So this leads to out-of-bounds read in do_write():
> > 
> > Adrian, can you please take a look at the db-export improvements made in
> > this series? It'd be good to have your ack for those,
> 
> You mean the patches from Chris Phlipot - yes I'll look at them.

Yeah, thanks,

- Arnaldo

  reply	other threads:[~2016-04-20 13:23 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-19  8:17 Andrey Ryabinin
2016-04-19 13:38 ` Arnaldo Carvalho de Melo
2016-04-19 15:48   ` Andrey Ryabinin
2016-04-19 13:40 ` Arnaldo Carvalho de Melo
2016-04-20 12:36   ` Adrian Hunter
2016-04-20 13:23     ` Arnaldo Carvalho de Melo [this message]
2016-04-27 15:28 ` [tip:perf/core] perf buildid: Fix " tip-bot for Andrey Ryabinin

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