Commit 6311951d authored Nov 02, 2020 by Jiri Olsa Committed by Arnaldo Carvalho de Melo Nov 03, 2020

perf tools: Initialize output buffer in build_id__sprintf



We display garbage for undefined build_id objects, because we don't
initialize the output buffer.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20201101233103.3537427-1-jolsa@kernel.org


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent 86449b12

tools/perf/util/build-id.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -102,6 +102,8 @@ int build_id__sprintf(const struct build_id build_id, char bf)
		const u8 *raw = build_id->data;
		size_t i;

		bf[0] = 0x0;

		for (i = 0; i < build_id->size; ++i) {
		sprintf(bid, "%02x", *raw);
		++raw;

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