From: Ian Rogers <[email protected]>

[ Upstream commit d4953f7ef1a2e87ef732823af35361404d13fea8 ]

Reproducible with a clang asan build and then running perf test in
particular 'Parse event definition strings'.

Signed-off-by: Ian Rogers <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Leo Yan <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Cc: [email protected]
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
 tools/perf/util/evsel.c        | 1 +
 tools/perf/util/parse-events.c | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index a844715a352d8..dfc982baecab4 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1254,6 +1254,7 @@ void perf_evsel__exit(struct evsel *evsel)
        perf_thread_map__put(evsel->core.threads);
        zfree(&evsel->group_name);
        zfree(&evsel->name);
+       zfree(&evsel->pmu_name);
        perf_evsel__object.fini(evsel);
 }
 
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 759a99f723fc3..e232dfe07f8fb 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1344,7 +1344,7 @@ int parse_events_add_pmu(struct parse_events_state 
*parse_state,
                evsel = __add_event(list, &parse_state->idx, &attr, NULL, pmu, 
NULL,
                                    auto_merge_stats, NULL);
                if (evsel) {
-                       evsel->pmu_name = name;
+                       evsel->pmu_name = name ? strdup(name) : NULL;
                        evsel->use_uncore_alias = use_uncore_alias;
                        return 0;
                } else {
@@ -1385,7 +1385,7 @@ int parse_events_add_pmu(struct parse_events_state 
*parse_state,
                evsel->snapshot = info.snapshot;
                evsel->metric_expr = info.metric_expr;
                evsel->metric_name = info.metric_name;
-               evsel->pmu_name = name;
+               evsel->pmu_name = name ? strdup(name) : NULL;
                evsel->use_uncore_alias = use_uncore_alias;
                evsel->percore = config_term_percore(&evsel->config_terms);
        }
-- 
2.25.1



Reply via email to