linux-kernel - [PATCH linux-next] perf svghelper: use strscpy() is more robust and safer

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Message-Id: <20220921093045.230468-1-ye.xingchen@zte.com.cn>
Date:   Wed, 21 Sep 2022 09:30:45 +0000
From:   cgel.zte@...il.com
To:     acme@...nel.org
Cc:     mingo@...hat.com, mark.rutland@....com,
        alexander.shishkin@...ux.intel.com, jolsa@...nel.org,
        namhyung@...nel.org, irogers@...gle.com,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        ye xingchen <ye.xingchen@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH linux-next] perf svghelper: use strscpy() is more robust and safer

From: ye xingchen <ye.xingchen@....com.cn>

The implementation of strscpy() is more robust and safer.

That's now the recommended way to copy NUL terminated strings.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: ye xingchen <ye.xingchen@....com.cn>
---
 tools/perf/util/svghelper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c
index 1e0c731fc539..1e40bcb479c2 100644
--- a/tools/perf/util/svghelper.c
+++ b/tools/perf/util/svghelper.c
@@ -332,7 +332,7 @@ static char *cpu_model(void)
 	if (file) {
 		while (fgets(buf, 255, file)) {
 			if (strstr(buf, "model name")) {
-				strlcpy(cpu_m, &buf[13], 255);
+				strscpy(cpu_m, &buf[13], 255);
 				break;
 			}
 		}
-- 
2.25.1