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authorNamhyung Kim <namhyung.kim@lge.com>2013-11-18 11:20:43 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-11-19 10:33:57 -0300
commit210e812f036736aeda097d9a6ef84b1f2b334bae (patch)
treef2881ec2ca780cacc5cfec392d6c4751c0b51fbc /tools
parenta5285ad9e30fd90b88a11adcab97bd4c3ffe44eb (diff)
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@google.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1384741244-7271-1-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/util/header.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 369c03648f88..559c516f1cec 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) {