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From: Thorsten Blum <thorsten.blum@linux.dev>
To: Allison Henderson <allison.henderson@oracle.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Simon Horman <horms@kernel.org>
Cc: Thorsten Blum <thorsten.blum@linux.dev>,
	linux-hardening@vger.kernel.org, netdev@vger.kernel.org,
	linux-rdma@vger.kernel.org, rds-devel@oss.oracle.com,
	linux-kernel@vger.kernel.org
Subject: [PATCH net-next] net/rds: Replace deprecated strncpy() with strscpy_pad()
Date: Wed, 19 Feb 2025 23:47:31 +0100	[thread overview]
Message-ID: <20250219224730.73093-2-thorsten.blum@linux.dev> (raw)

strncpy() is deprecated for NUL-terminated destination buffers. Use
strscpy_pad() instead and remove the manual NUL-termination.

Compile-tested only.

Link: https://github.com/KSPP/linux/issues/90
Cc: linux-hardening@vger.kernel.org
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
---
 net/rds/stats.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/rds/stats.c b/net/rds/stats.c
index 9e87da43c004..cb2e3d2cdf73 100644
--- a/net/rds/stats.c
+++ b/net/rds/stats.c
@@ -89,8 +89,7 @@ void rds_stats_info_copy(struct rds_info_iterator *iter,
 
 	for (i = 0; i < nr; i++) {
 		BUG_ON(strlen(names[i]) >= sizeof(ctr.name));
-		strncpy(ctr.name, names[i], sizeof(ctr.name) - 1);
-		ctr.name[sizeof(ctr.name) - 1] = '\0';
+		strscpy_pad(ctr.name, names[i]);
 		ctr.value = values[i];
 
 		rds_info_copy(iter, &ctr, sizeof(ctr));
-- 
2.48.1


             reply	other threads:[~2025-02-19 22:48 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-19 22:47 Thorsten Blum [this message]
2025-02-20  2:57 ` [PATCH net-next] net/rds: Replace deprecated strncpy() with strscpy_pad() Kees Cook
2025-02-20  7:04   ` Thorsten Blum
2025-02-20  8:54     ` Kees Cook
2025-02-20 18:07 ` Allison Henderson
2025-02-20 18:49   ` Allison Henderson
2025-02-22  0:10 ` patchwork-bot+netdevbpf

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