| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.13 052/223] perf env: Fix sibling_dies memory leak | Date | Mon, 26 Jul 2021 17:37:24 +0200 |
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From: Riccardo Mancini <rickyman7@gmail.com>
[ Upstream commit 42db3d9ded555f7148b5695109a7dc8d66f0dde4 ]
ASan reports a memory leak in perf_env while running:
# perf test "41: Session topology"
Caused by sibling_dies not being freed.
This patch adds the required free.
Fixes: acae8b36cded0ee6 ("perf header: Add die information in CPU topology") Signed-off-by: Riccardo Mancini <rickyman7@gmail.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@redhat.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/2140d0b57656e4eb9021ca9772250c24c032924b.1626343282.git.rickyman7@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- tools/perf/util/env.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c index bc5e4f294e9e..f3b90412cc70 100644 --- a/tools/perf/util/env.c +++ b/tools/perf/util/env.c @@ -186,6 +186,7 @@ void perf_env__exit(struct perf_env *env) zfree(&env->cpuid); zfree(&env->cmdline); zfree(&env->cmdline_argv); + zfree(&env->sibling_dies); zfree(&env->sibling_cores); zfree(&env->sibling_threads); zfree(&env->pmu_mappings); -- 2.30.2
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