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authorFrederic Weisbecker <fweisbec@gmail.com>2011-05-21 19:33:04 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2011-05-22 03:38:36 +0200
commita285412479b6d5af3e48273a92ec2f1987df8cd1 (patch)
tree29f68684cebb26b86c3dd0b0f0fc4e5d6553c989 /tools/perf/util/session.h
parent74429964d8e29c0107fa6e9cdf35b8f33f57405d (diff)
downloadblackbird-op-linux-a285412479b6d5af3e48273a92ec2f1987df8cd1.tar.gz
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perf tools: Pre-check sample size before parsing
Check that the total size of the sample fields having a fixed size do not exceed the one of the whole event. This robustifies the sample parsing. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Stephane Eranian <eranian@google.com>
Diffstat (limited to 'tools/perf/util/session.h')
-rw-r--r--tools/perf/util/session.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 8daaa2d15396..66d4e1490879 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -43,6 +43,7 @@ struct perf_session {
*/
struct hists hists;
u64 sample_type;
+ int sample_size;
int fd;
bool fd_pipe;
bool repipe;
@@ -159,6 +160,7 @@ static inline int perf_session__parse_sample(struct perf_session *session,
struct perf_sample *sample)
{
return perf_event__parse_sample(event, session->sample_type,
+ session->sample_size,
session->sample_id_all, sample);
}
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