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Message-ID: <20250317154706711RvRh_96VDw-u63cPmkeHk@zte.com.cn>
Date: Mon, 17 Mar 2025 15:47:06 +0800 (CST)
From: <feng.wei8@....com.cn>
To: <andrii@...nel.org>
Cc: <eddyz87@...il.com>, <mykolal@...com>, <ast@...nel.org>,
<daniel@...earbox.net>, <martin.lau@...ux.dev>, <song@...nel.org>,
<yonghong.song@...ux.dev>, <john.fastabend@...il.com>,
<kpsingh@...nel.org>, <sdf@...ichev.me>, <haoluo@...gle.com>,
<jolsa@...nel.org>, <shuah@...nel.org>, <bpf@...r.kernel.org>,
<linux-kselftest@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] selftests/bpf: Replace deprecated strncpy() with strscpy()
From: FengWei <feng.wei8@....com.cn>
strncpy() is deprecated for NUL-terminated destination buffers. Use
strscpy() instead and remove the manual NUL-termination.
Signed-off-by: FengWei <feng.wei8@....com.cn>
---
tools/testing/selftests/bpf/test_verifier.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c
index 447b68509d76..dfe64c6d4f87 100644
--- a/tools/testing/selftests/bpf/test_verifier.c
+++ b/tools/testing/selftests/bpf/test_verifier.c
@@ -1320,8 +1320,7 @@ static bool cmp_str_seq(const char *log, const char *exp)
printf("FAIL\nTestcase bug\n");
return false;
}
- strncpy(needle, exp, len);
- needle[len] = 0;
+ strscpy(needle, exp, len);
q = strstr(log, needle);
if (!q) {
printf("FAIL\nUnexpected verifier log!\n"
--
2.25.1
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