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Be even _more_ careful when signatures are bogus.

svn:r17252
Nick Mathewson 17 年之前
父节点
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8f1952bf11
共有 1 个文件被更改,包括 6 次插入1 次删除
  1. 6 1
      src/or/dirvote.c

+ 6 - 1
src/or/dirvote.c

@@ -2049,7 +2049,12 @@ dirvote_add_signatures_to_pending_consensus(
       networkstatus_get_detached_signatures(pending_consensus);
     const char *src;
     char *dst, *dst_end;
-    size_t new_consensus_len =
+    size_t new_consensus_len;
+    if (!new_detached) {
+      *msg_out = "No signatures to add";
+      goto err;
+    }
+    new_consensus_len =
       strlen(pending_consensus_body) + strlen(new_detached) + 1;
     pending_consensus_body = tor_realloc(pending_consensus_body,
                                          new_consensus_len);