From 6311951d4f8f28c43b554ff0719027884bedd7e3 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Mon, 2 Nov 2020 00:31:02 +0100 Subject: 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 Acked-by: Namhyung Kim Link: https://lore.kernel.org/r/20201101233103.3537427-1-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/build-id.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'tools/perf/util') diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index 8763772f1095..6b410c3d52dc 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -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; -- cgit v1.2.3-59-g8ed1b