Thread (50 messages) 50 messages, 3 authors, 2022-01-06

Re: [PATCH 10/20] perf inject: close inject.output

From: Arnaldo Carvalho de Melo <acme@kernel.org>
Date: 2021-07-15 20:18:15
Also in: lkml

Em Thu, Jul 15, 2021 at 06:07:15PM +0200, Riccardo Mancini escreveu:
ASan reports a memory leak when running the perf test
"83: Zstd perf.data compression/decompression", which happens inside
perf-inject.
The bug is caused by inject.output never being closed.

This patch adds the missing perf_data__close.
Fixes: 6ef81c55a2b6584c ("perf session: Return error code for perf_session__new() function on failure")

Thanks, applied.

- Arnaldo

 
quoted hunk ↗ jump to hunk
Signed-off-by: Riccardo Mancini <redacted>
---
 tools/perf/builtin-inject.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index ffd2b25039e36e1d..c88c61e7f8ccb6a7 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -993,8 +993,10 @@ int cmd_inject(int argc, const char **argv)
 
 	data.path = inject.input_name;
 	inject.session = perf_session__new(&data, inject.output.is_pipe, &inject.tool);
-	if (IS_ERR(inject.session))
-		return PTR_ERR(inject.session);
+	if (IS_ERR(inject.session)) {
+		ret = PTR_ERR(inject.session);
+		goto out_close_output;
+	}
 
 	if (zstd_init(&(inject.session->zstd_data), 0) < 0)
 		pr_warning("Decompression initialization failed.\n");
@@ -1036,6 +1038,8 @@ int cmd_inject(int argc, const char **argv)
 out_delete:
 	zstd_fini(&(inject.session->zstd_data));
 	perf_session__delete(inject.session);
+out_close_output:
+	perf_data__close(&inject.output);
 	free(inject.itrace_synth_opts.vm_tm_corr_args);
 	return ret;
 }
-- 
2.31.1
-- 

- Arnaldo
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