From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 36/91] libperf evlist: Fix a refcount leak Date: Wed, 6 May 2020 12:21:39 -0300 Message-ID: <20200506152234.21977-37-acme@kernel.org> References: <20200506152234.21977-1-acme@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20200506152234.21977-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Ian Rogers , Adrian Hunter , Alexander Shishkin , Andi Kleen , Jiri Olsa , Leo Yan , Mark Rutland , Peter Zijlstra , Stephane Eranian , clang-built-linux@googlegroups.com, Arnaldo Carvalho de Melo List-Id: linux-perf-users.vger.kernel.org From: Ian Rogers 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(+) 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; -- 2.21.1