From: Ian Rogers <irog...@google.com> [ 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 <irog...@google.com> Acked-by: Jiri Olsa <jo...@redhat.com> Cc: Adrian Hunter <adrian.hun...@intel.com> Cc: Alexander Shishkin <alexander.shish...@linux.intel.com> Cc: Andi Kleen <a...@linux.intel.com> Cc: Leo Yan <leo....@linaro.org> Cc: Mark Rutland <mark.rutl...@arm.com> Cc: Namhyung Kim <namhy...@kernel.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Stephane Eranian <eran...@google.com> Cc: clang-built-li...@googlegroups.com Link: http://lore.kernel.org/lkml/20200314170356.62914-1-irog...@google.com Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> Signed-off-by: Sasha Levin <sas...@kernel.org> --- 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