[PATCH] fs: cifs: cifsencrypt.c: Cleaning up missing null-terminate in conjunction with strncpy

[Rickard Strandqvist]

If you are going to use memset before strncpy you must copy sizeof -1

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx>
---
 fs/cifs/cifsencrypt.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 4934347..dcca8b3 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -307,7 +307,7 @@ int calc_lanman_hash(const char *password, const char *cryptkey, bool encrypt,
 
 	memset(password_with_pad, 0, CIFS_ENCPWD_SIZE);
 	if (password)
-		strncpy(password_with_pad, password, CIFS_ENCPWD_SIZE);
+		strncpy(password_with_pad, password, CIFS_ENCPWD_SIZE - 1);
 
 	if (!encrypt && global_secflags & CIFSSEC_MAY_PLNTXT) {
 		memcpy(lnm_session_key, password_with_pad,
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/