diff --git a/debuggerd/debuggerd_test.cpp b/debuggerd/debuggerd_test.cpp
index 5b04111..4634283 100644
--- a/debuggerd/debuggerd_test.cpp
+++ b/debuggerd/debuggerd_test.cpp
@@ -475,7 +475,7 @@
 
 struct SizeParamCrasherTest : CrasherTest, testing::WithParamInterface<size_t> {};
 
-INSTANTIATE_TEST_SUITE_P(Sizes, SizeParamCrasherTest, testing::Values(16, 131072));
+INSTANTIATE_TEST_SUITE_P(Sizes, SizeParamCrasherTest, testing::Values(0, 16, 131072));
 
 TEST_P(SizeParamCrasherTest, mte_uaf) {
 #if defined(__aarch64__)
@@ -483,6 +483,11 @@
     GTEST_SKIP() << "Requires MTE";
   }
 
+  // Any UAF on a zero-sized allocation will be out-of-bounds so it won't be reported.
+  if (GetParam() == 0) {
+    return;
+  }
+
   int intercept_result;
   unique_fd output_fd;
   StartProcess([&]() {