linux-kernel - Re: [PATCH 09/15] perf tools: validate perf event header size

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Message-ID: <87wqph1w8x.fsf@sejong.aot.lge.com>
Date:	Wed, 26 Jun 2013 10:44:30 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Adrian Hunter <adrian.hunter@...el.com>
Cc:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	linux-kernel@...r.kernel.org, David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>, Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 09/15] perf tools: validate perf event header size

Hi Adrian,

On Mon, 24 Jun 2013 16:16:06 +0300, Adrian Hunter wrote:
> 'size' includes the header so must be at least
> 'sizeof(struct perf_event_header)'.  Error out
> immediately if that is not the case.  Also

Just out of curiosity.

Do you have an experience it really matters?  AFAICS such an invalid
sample should be detected during sample processing.

Thanks,
Namhyung
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