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authorIan Rogers <irogers@google.com>2020-03-18 19:31:01 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-05-05 16:35:29 -0300
commit4599d292128d89e4cf866a0ea9a9b047a2de8418 (patch)
tree3f1c8ffbcc9d84e7e4f9df9a09e4e2a823a808e5 /tools/lib
parentba08829aace99b23da31b9b71d8ed5d40a44ed49 (diff)
libperf evlist: Fix a refcount leak
Memory leaks found by applying LLVM's libfuzzer on the tools/perf parse_events function. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: clang-built-linux@googlegroups.com Link: http://lore.kernel.org/lkml/20200319023101.82458-2-irogers@google.com [ Did a minor adjustment due to some other previous patch having already set evlist->all_cpus to NULL at perf_evlist__exit() ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib')
-rw-r--r--tools/lib/perf/evlist.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c
index c481b62f2ce4..6a875a0f01bb 100644
--- a/tools/lib/perf/evlist.c
+++ b/tools/lib/perf/evlist.c
@@ -123,6 +123,7 @@ static void perf_evlist__purge(struct perf_evlist *evlist)
void perf_evlist__exit(struct perf_evlist *evlist)
{
perf_cpu_map__put(evlist->cpus);
+ perf_cpu_map__put(evlist->all_cpus);
perf_thread_map__put(evlist->threads);
evlist->cpus = NULL;
evlist->all_cpus = NULL;