linux-kernel - [tip:perf/core] perf evsel: Add missing overflow check for TRANSACTION

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Message-ID: <tip-87b955247d71975460774435241be3aa05218a7b@git.kernel.org>
Date:	Mon, 4 Nov 2013 12:21:11 -0800
From:	tip-bot for Adrian Hunter <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, eranian@...gle.com,
	paulus@...ba.org, mingo@...hat.com, hpa@...or.com,
	mingo@...nel.org, a.p.zijlstra@...llo.nl, efault@....de,
	namhyung@...il.com, jolsa@...hat.com, fweisbec@...il.com,
	adrian.hunter@...el.com, dsahern@...il.com, tglx@...utronix.de
Subject: [tip:perf/core] perf evsel:
  Add missing overflow check for TRANSACTION

Commit-ID:  87b955247d71975460774435241be3aa05218a7b
Gitweb:     http://git.kernel.org/tip/87b955247d71975460774435241be3aa05218a7b
Author:     Adrian Hunter <adrian.hunter@...el.com>
AuthorDate: Fri, 1 Nov 2013 15:51:36 +0200
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 4 Nov 2013 12:44:01 -0300

perf evsel: Add missing overflow check for TRANSACTION

Add missing overflow check for PERF_SAMPLE_TRANSACTION in
perf_evsel__parse_sample().

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Mike Galbraith <efault@....de>
Cc: Namhyung Kim <namhyung@...il.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/r/1383313899-15987-9-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/evsel.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 47bbf03..b121717 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1481,6 +1481,7 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
 
 	data->transaction = 0;
 	if (type & PERF_SAMPLE_TRANSACTION) {
+		OVERFLOW_CHECK_u64(array);
 		data->transaction = *array;
 		array++;
 	}
--
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