ubsan fix: dont deref past end of array

8 years ago · 7b622ab558
parent 1b84e03884
commit 7b622ab558
1 changed files with 2 additions and 1 deletions
--- a/test/cpp/microbenchmarks/bm_call_create.cc
+++ b/test/cpp/microbenchmarks/bm_call_create.cc
@ -563,7 +563,8 @@ static void BM_IsolatedFilter(benchmark::State &state) {
  }

  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  size_t channel_size = grpc_channel_stack_size(&filters[0], filters.size());
+  size_t channel_size = grpc_channel_stack_size(
+      filters.size() == 0 ? NULL : &filters[0], filters.size());
  grpc_channel_stack *channel_stack =
      static_cast<grpc_channel_stack *>(gpr_zalloc(channel_size));
  GPR_ASSERT(GRPC_LOG_IF_ERROR(