Merge pull request #20563 from maribu/backport/2024.01/suit-ENOBUFS

sys/suit: return error when URL buffer is too small [backport 2024.01]
RIOT-OS · Apr 10, 2024 · 86a8e1d · 86a8e1d
2 parents e8f5882 + 81a5f3a
commit 86a8e1d
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';