linux-kernel - [PATCH 35/91] perf parse-events: Fix another memory leaks found on parse

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Message-Id: <20200506152234.21977-36-acme@kernel.org>
Date:   Wed,  6 May 2020 12:21:38 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     Jiri Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
        Clark Williams <williams@...hat.com>,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Ian Rogers <irogers@...gle.com>, Jiri Olsa <jolsa@...hat.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>, Leo Yan <leo.yan@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Stephane Eranian <eranian@...gle.com>,
        clang-built-linux@...glegroups.com,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 35/91] perf parse-events: Fix another memory leaks found on parse_events()

From: Ian Rogers <irogers@...gle.com>

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

Signed-off-by: Ian Rogers <irogers@...gle.com>
Acked-by: Jiri Olsa <jolsa@...hat.com>
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: Leo Yan <leo.yan@...aro.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Cc: clang-built-linux@...glegroups.com
Link: http://lore.kernel.org/lkml/20200319023101.82458-1-irogers@google.com
[ split from a larger patch ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/parse-events.y | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index 6ece67ed244a..c4ca932d092d 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -326,6 +326,7 @@ PE_NAME opt_pmu_config
 	}
 	parse_events_terms__delete($2);
 	parse_events_terms__delete(orig_terms);
+	free(pattern);
 	free($1);
 	$$ = list;
 #undef CLEANUP_YYABORT
-- 
2.21.1