Patch from Kevin Hilman <khilman@equator.com> to fix potential

memory corruption from long pathnames in /etc/fstab.


git-svn-id: svn://busybox.net/trunk/busybox@4613 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 2 insertions, 1 deletions

diff --git a/util-linux/mount.c b/util-linux/mount.c
index 382ad832f..79335669d 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -425,7 +425,8 @@ extern int mount_main(int argc, char **argv)
         if (optind < argc) {
                 /* if device is a filename get its real path */
                 if (stat(argv[optind], &statbuf) == 0) {
-                        device = simplify_path(argv[optind]);
+                        char *tmp = simplify_path(argv[optind]);
+                        safe_strncpy(device, tmp, PATH_MAX);
                 } else {
                         safe_strncpy(device, argv[optind], PATH_MAX);
                 }