commit 1b83d32b7daa7c16b83a61deda62ebdf706c2cfc
author ncteisen <ncteisen@gmail.com> Wed Jun 06 16:55:42 2018 -0700
committer ncteisen <ncteisen@gmail.com> Wed Jun 06 16:55:42 2018 -0700
tree 821f369811467fd9bf6584507ae1f51cea744b17
parent f03344e73a4e0eafb969fe4675babcb50ac08ae6

Fix fuzzer error

src/core/lib/security/util/json_util.cc

diff --git a/src/core/lib/security/util/json_util.cc b/src/core/lib/security/util/json_util.cc
index 75512a1..fe9f5fe 100644
--- a/src/core/lib/security/util/json_util.cc
+++ b/src/core/lib/security/util/json_util.cc
@@ -29,6 +29,10 @@
                                           const char* prop_name) {
   grpc_json* child;
   for (child = json->child; child != nullptr; child = child->next) {
+    if (child->key == nullptr) {
+      gpr_log(GPR_ERROR, "Invalid (null) JSON key encountered");
+      return nullptr;
+    }
     if (strcmp(child->key, prop_name) == 0) break;
   }
   if (child == nullptr || child->type != GRPC_JSON_STRING) {