From: Ian Rogers <irogers@google.com>
Date: Thu, 19 Mar 2020 02:31:00 +0000 (-0700)
Subject: perf parse-events: Fix memory leaks found on parse_events
X-Git-Tag: rel_imx_5.10.35_2.0.0-somdevices.0~2113^2~10^2~58
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=e8dfb81838b1;p=linux.git

perf parse-events: Fix memory leaks found on parse_events

Fix a memory leak found by applying LLVM's libfuzzer on parse_events().

Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.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/20200319023101.82458-1-irogers@google.com
[ split from a larger patch, use zfree() ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 5795f3a8f71c..6dc9e57ab95b 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1482,6 +1482,7 @@ int parse_events_add_pmu(struct parse_events_state *parse_state,
 
 		list_for_each_entry_safe(pos, tmp, &config_terms, list) {
 			list_del_init(&pos->list);
+			zfree(&pos->val.str);
 			free(pos);
 		}
 		return -EINVAL;