sys/suit: return error when URL buffer is too small

(cherry picked from commit 68c7bfc)
RIOT-OS · Apr 10, 2024 · 81a5f3a · 81a5f3a
1 parent e8f5882
commit 81a5f3a
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/sys/suit/handlers_command_seq.c b/sys/suit/handlers_command_seq.c
@@ -424,7 +424,10 @@ static int _dtv_fetch(suit_manifest_t *manifest, int key,
         return err;
     }
 
-    assert(manifest->urlbuf && url_len < manifest->urlbuf_len);
+    if (!manifest->urlbuf || url_len >= manifest->urlbuf_len) {
+        assert(0);
+        return SUIT_ERR_NO_MEM;
+    }
     memcpy(manifest->urlbuf, url, url_len);
     manifest->urlbuf[url_len] = '\0';