linux-kernel - [PATCH 5.13 053/223] perf test session

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Message-Id: <20210726153847.994944689@linuxfoundation.org>
Date:   Mon, 26 Jul 2021 17:37:25 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Riccardo Mancini <rickyman7@...il.com>,
        Ian Rogers <irogers@...gle.com>, Jiri Olsa <jolsa@...hat.com>,
        Kan Liang <kan.liang@...el.com>,
        Mark Rutland <mark.rutland@....com>,
        Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.13 053/223] perf test session_topology: Delete session->evlist

From: Riccardo Mancini <rickyman7@...il.com>

[ Upstream commit 233f2dc1c284337286f9a64c0152236779a42f6c ]

ASan reports a memory leak related to session->evlist while running:

  # perf test "41: Session topology".

When perf_data is in write mode, session->evlist is owned by the caller,
which should also take care of deleting it.

This patch adds the missing evlist__delete().

Signed-off-by: Riccardo Mancini <rickyman7@...il.com>
Fixes: c84974ed9fb67293 ("perf test: Add entry to test cpu topology")
Cc: Ian Rogers <irogers@...gle.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Kan Liang <kan.liang@...el.com>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Link: http://lore.kernel.org/lkml/822f741f06eb25250fb60686cf30a35f447e9e91.1626343282.git.rickyman7@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/perf/tests/topology.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c
index ec4e3b21b831..b5efe675b321 100644
--- a/tools/perf/tests/topology.c
+++ b/tools/perf/tests/topology.c
@@ -61,6 +61,7 @@ static int session_write_header(char *path)
 	TEST_ASSERT_VAL("failed to write header",
 			!perf_session__write_header(session, session->evlist, data.file.fd, true));
 
+	evlist__delete(session->evlist);
 	perf_session__delete(session);
 
 	return 0;
-- 
2.30.2