src: guard against double free in randomBytes()

PR-URL: #14122 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com>
nodejs · Jul 18, 2017 · e4b7019 · e4b7019
1 parent ad0669b
commit e4b7019
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/node_crypto.cc b/src/node_crypto.cc
@@ -5498,6 +5498,7 @@ class RandomBytesRequest : public AsyncWrap {
     size_ = 0;
     if (free_mode_ == FREE_DATA) {
       free(data_);
+      data_ = nullptr;
     }
   }