LU-4629 libcfs: fix buffer overflow of string buffer

[fs/lustre-release.git] / lustre / utils / mount_utils.c

diff --git a/lustre/utils/mount_utils.c b/lustre/utils/mount_utils.c
index 8054b07..83a571f 100644 (file)
--- a/lustre/utils/mount_utils.c
+++ b/lustre/utils/mount_utils.c
@@ -450,7 +450,7 @@ struct module_backfs_ops *load_backfs_module(enum ldd_mount_type mount_type)
 
        /* This deals with duplicate ldd_mount_types resolving to same OSD layer
         * plugin (e.g. ext3/ldiskfs/ldiskfs2 all being ldiskfs) */
-       strncpy(fsname, mt_type(mount_type), sizeof(fsname));
+       strlcpy(fsname, mt_type(mount_type), sizeof(fsname));
        name = fsname + sizeof("osd-") - 1;
 
        /* change osd- to osd_ */