From 4599d292128d89e4cf866a0ea9a9b047a2de8418 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Wed, 18 Mar 2020 19:31:01 -0700 Subject: 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 Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Jiri Olsa Cc: Leo Yan Cc: Mark Rutland Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Stephane Eranian 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 --- tools/lib/perf/evlist.c | 1 + 1 file changed, 1 insertion(+) (limited to 'tools/lib') 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; -- cgit v1.2.3