fsck: don't read invalid data

2015-03-09 18:58:05 +01:00
parent 0b02c7c36d
commit df4573e851
1 changed files with 2 additions and 2 deletions
@@ -171,11 +171,11 @@ static int plymouth_feedback_handler(sd_event_source *s, int fd, uint32_t revent
                return 0;
        }

-        if (buffer[0] == '\15')
+        if (l > 1 && buffer[0] == '\15')
                log_error("Message update to plymouth wasn't delivered successfully");

        /* the only answer support type we requested is a key interruption */
-        if (buffer[0] == '\2' && buffer[5] == '\3') {
+        if (l > 2 && buffer[0] == '\2' && buffer[5] == '\3') {
                m->cancel_requested = true;

                /* cancel all connected clients */