Commit-ID: 210e812f036736aeda097d9a6ef84b1f2b334bae
Gitweb: http://git.kernel.org/tip/210e812f036736aeda097d9a6ef84b1f2b334bae
Author: Namhyung Kim <namhyung.kim@xxxxxxx>
AuthorDate: Mon, 18 Nov 2013 11:20:43 +0900
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 19 Nov 2013 10:33:57 -0300
perf header: Fix bogus group name
When processing event group descriptor in perf file header, we reuse an
allocated group name but forgot to prevent it from freeing.
Reported-by: Stephane Eranian <eranian@xxxxxxxxxx>
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1384741244-7271-1-git-send-email-namhyung@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/header.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 369c036..559c516 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2078,8 +2078,10 @@ static int process_group_desc(struct perf_file_section *section __maybe_unused,
if (evsel->idx == (int) desc[i].leader_idx) {
evsel->leader = evsel;
/* {anon_group} is a dummy name */
- if (strcmp(desc[i].name, "{anon_group}"))
+ if (strcmp(desc[i].name, "{anon_group}")) {
evsel->group_name = desc[i].name;
+ desc[i].name = NULL;
+ }
evsel->nr_members = desc[i].nr_members;
if (i >= nr_groups || nr > 0) {
--
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