If the first WWID_LEN bytes of the uuid_attribute do not contain
a 0 byte, pp->wwid may end up not properly terminated. Fix it.

Signed-off-by: Martin Wilck <[email protected]>
---
 libmultipath/discovery.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c
index 663c8eaa..9951af84 100644
--- a/libmultipath/discovery.c
+++ b/libmultipath/discovery.c
@@ -1615,6 +1615,7 @@ get_udev_uid(struct path * pp, char *uid_attribute, 
struct udev_device *udev)
                        len = strlen(value);
                }
                strncpy(pp->wwid, value, len);
+               pp->wwid[WWID_SIZE - 1] = '\0';
        } else {
                condlog(3, "%s: no %s attribute", pp->dev,
                        uid_attribute);
-- 
2.13.2

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