Thread (3 messages) 3 messages, 2 authors, 2018-05-30
STALE2973d

[PATCH] crypto: blkcipher: prefer strlcpy to strncpy

From: Nick Desaulniers <hidden>
Date: 2018-05-29 05:45:04
Also in: lkml
Subsystem: crypto api, the rest · Maintainers: Herbert Xu, "David S. Miller", Linus Torvalds

Fixes stringop-truncation warnings from gcc-8.

Signed-off-by: Nick Desaulniers <redacted>
---
 crypto/ablkcipher.c | 8 ++++----
 crypto/blkcipher.c  | 4 ++--
 2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index d880a48..e38867f 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -370,8 +370,8 @@ static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_blkcipher rblkcipher;
 
-	strncpy(rblkcipher.type, "ablkcipher", sizeof(rblkcipher.type));
-	strncpy(rblkcipher.geniv, alg->cra_ablkcipher.geniv ?: "<default>",
+	strlcpy(rblkcipher.type, "ablkcipher", sizeof(rblkcipher.type));
+	strlcpy(rblkcipher.geniv, alg->cra_ablkcipher.geniv ?: "<default>",
 		sizeof(rblkcipher.geniv));
 
 	rblkcipher.blocksize = alg->cra_blocksize;
@@ -444,8 +444,8 @@ static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_blkcipher rblkcipher;
 
-	strncpy(rblkcipher.type, "givcipher", sizeof(rblkcipher.type));
-	strncpy(rblkcipher.geniv, alg->cra_ablkcipher.geniv ?: "<built-in>",
+	strlcpy(rblkcipher.type, "givcipher", sizeof(rblkcipher.type));
+	strlcpy(rblkcipher.geniv, alg->cra_ablkcipher.geniv ?: "<built-in>",
 		sizeof(rblkcipher.geniv));
 
 	rblkcipher.blocksize = alg->cra_blocksize;
diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index 01c0d4a..ee88e48 100644
--- a/crypto/blkcipher.c
+++ b/crypto/blkcipher.c
@@ -509,8 +509,8 @@ static int crypto_blkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
 	struct crypto_report_blkcipher rblkcipher;
 
-	strncpy(rblkcipher.type, "blkcipher", sizeof(rblkcipher.type));
-	strncpy(rblkcipher.geniv, alg->cra_blkcipher.geniv ?: "<default>",
+	strlcpy(rblkcipher.type, "blkcipher", sizeof(rblkcipher.type));
+	strlcpy(rblkcipher.geniv, alg->cra_blkcipher.geniv ?: "<default>",
 		sizeof(rblkcipher.geniv));
 
 	rblkcipher.blocksize = alg->cra_blocksize;
-- 
2.7.4
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