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Message-Id: <20211124115705.904754996@linuxfoundation.org>
Date: Wed, 24 Nov 2021 12:58:28 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Sohaib Mohamed <sohaib.amhmd@...il.com>,
Ian Rogers <irogers@...gle.com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Hitoshi Mitake <h.mitake@...il.com>,
Jiri Olsa <jolsa@...hat.com>,
Mark Rutland <mark.rutland@....com>,
Namhyung Kim <namhyung@...nel.org>,
Paul Russel <rusty@...tcorp.com.au>,
Peter Zijlstra <peterz@...radead.org>,
Pierre Gondois <pierre.gondois@....com>,
Arnaldo Carvalho de Melo <acme@...hat.com>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 112/154] perf bench: Fix two memory leaks detected with ASan
From: Sohaib Mohamed <sohaib.amhmd@...il.com>
[ Upstream commit 92723ea0f11d92496687db8c9725248e9d1e5e1d ]
ASan reports memory leaks while running:
$ perf bench sched all
Fixes: e27454cc6352c422 ("perf bench: Add sched-messaging.c: Benchmark for scheduler and IPC mechanisms based on hackbench")
Signed-off-by: Sohaib Mohamed <sohaib.amhmd@...il.com>
Acked-by: Ian Rogers <irogers@...gle.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Hitoshi Mitake <h.mitake@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Paul Russel <rusty@...tcorp.com.au>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Pierre Gondois <pierre.gondois@....com>
Link: http://lore.kernel.org/lkml/20211110022012.16620-1-sohaib.amhmd@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
tools/perf/bench/sched-messaging.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/perf/bench/sched-messaging.c b/tools/perf/bench/sched-messaging.c
index cecce93ccc636..9ce72fa873768 100644
--- a/tools/perf/bench/sched-messaging.c
+++ b/tools/perf/bench/sched-messaging.c
@@ -223,6 +223,8 @@ static unsigned int group(pthread_t *pth,
snd_ctx->out_fds[i] = fds[1];
if (!thread_mode)
close(fds[0]);
+
+ free(ctx);
}
/* Now we have all the fds, fork the senders */
@@ -239,6 +241,8 @@ static unsigned int group(pthread_t *pth,
for (i = 0; i < num_fds; i++)
close(snd_ctx->out_fds[i]);
+ free(snd_ctx);
+
/* Return number of children to reap */
return num_fds * 2;
}
--
2.33.0
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