From: Riccardo Mancini <rickyman7@xxxxxxxxx> [ 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@xxxxxxxxx> Cc: Ian Rogers <irogers@xxxxxxxxxx> Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: Mark Rutland <mark.rutland@xxxxxxx> Cc: Namhyung Kim <namhyung@xxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Link: http://lore.kernel.org/lkml/2140d0b57656e4eb9021ca9772250c24c032924b.1626343282.git.rickyman7@xxxxxxxxx Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- 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 fadc59708ece..744e51c4a6bd 100644 --- a/tools/perf/util/env.c +++ b/tools/perf/util/env.c @@ -178,6 +178,7 @@ 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