linux-kernel - [PATCH] perf symbol-elf: fix memory leak: free sdt

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Message-Id: <20210602220833.285226-1-rickyman7@gmail.com>
Date:   Thu,  3 Jun 2021 00:08:33 +0200
From:   Riccardo Mancini <rickyman7@...il.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Ian Rogers <irogers@...gle.com>
Cc:     Riccardo Mancini <rickyman7@...il.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>, Fabian Hemmer <copy@...y.sh>,
        Remi Bernon <rbernon@...eweavers.com>,
        Jiri Slaby <jirislaby@...nel.org>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] perf symbol-elf: fix memory leak: free sdt_note.args

Reported by ASan.

Signed-off-by: Riccardo Mancini <rickyman7@...il.com>
---
 tools/perf/util/symbol-elf.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 4c56aa8374344..a73345730ba90 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -2412,6 +2412,7 @@ int cleanup_sdt_note_list(struct list_head *sdt_notes)
 
 	list_for_each_entry_safe(pos, tmp, sdt_notes, note_list) {
 		list_del_init(&pos->note_list);
+		zfree(&pos->args);
 		zfree(&pos->name);
 		zfree(&pos->provider);
 		free(pos);
-- 
2.31.1