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SubjectRe: [PATCH 4.19 065/120] perf test session_topology: Delete session->evlist
On Mon, 26 Jul 2021 at 21:28, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> From: Riccardo Mancini <rickyman7@gmail.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@gmail.com>
> Fixes: c84974ed9fb67293 ("perf test: Add entry to test cpu topology")
> Cc: Ian Rogers <irogers@google.com>
> Cc: Jiri Olsa <jolsa@redhat.com>
> Cc: Kan Liang <kan.liang@intel.com>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: Namhyung Kim <namhyung@kernel.org>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Link: http://lore.kernel.org/lkml/822f741f06eb25250fb60686cf30a35f447e9e91.1626343282.git.rickyman7@gmail.com
> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
> Signed-off-by: Sasha Levin <sashal@kernel.org>


perf build failed on 4.19, 4.14, 4.9 and 4.4 due to these warnings / errors
for all the architectures.

> 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 9497d02f69e6..bed53ed82af7 100644
> --- a/tools/perf/tests/topology.c
> +++ b/tools/perf/tests/topology.c
> @@ -52,6 +52,7 @@ 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-in.o: In function `session_write_header':
tools/perf/tests/topology.c:55: undefined reference to `evlist__delete'
collect2: error: ld returned 1 exit status

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

ref:
https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-stable-rc-4.19/DISTRO=lkft,MACHINE=intel-corei7-64,label=docker-buster-lkft/893/console

--
Linaro LKFT
https://lkft.linaro.org

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