[dm-devel] [PATCH 2/6] libmultipath, alloc_path_with_pathinfo(): Ensure that pp->wwid is '\0'-terminated

Bart Van Assche bart.vanassche at wdc.com
Thu Mar 1 19:29:31 UTC 2018


Discovered by Coverity (CID 173257).

Signed-off-by: Bart Van Assche <bart.vanassche at wdc.com>
---
 libmultipath/discovery.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c
index 4b31ddef23f0..fe50ce5062ea 100644
--- a/libmultipath/discovery.c
+++ b/libmultipath/discovery.c
@@ -52,8 +52,8 @@ alloc_path_with_pathinfo (struct config *conf, struct udev_device *udevice,
 	if (!pp)
 		return PATHINFO_FAILED;
 
-	if(wwid)
-		strncpy(pp->wwid, wwid, sizeof(pp->wwid));
+	if (wwid)
+		strlcpy(pp->wwid, wwid, sizeof(pp->wwid));
 
 	if (safe_sprintf(pp->dev, "%s", devname)) {
 		condlog(0, "pp->dev too small");
-- 
2.16.2




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