1 files changed, 28 insertions, 0 deletions
diff --git a/compiler-rt/test/asan/TestCases/malloc-size-too-big.cpp b/compiler-rt/test/asan/TestCases/malloc-size-too-big.cpp
new file mode 100644
index 00000000000..71d6a3e7148
--- /dev/null
+++ b/compiler-rt/test/asan/TestCases/malloc-size-too-big.cpp
@@ -0,0 +1,28 @@
+// RUN: %clangxx_asan -O0 %s -o %t
+// RUN: %env_asan_opts=allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s
+// RUN: %env_asan_opts=allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NULL
+
+// REQUIRES: stable-runtime
+
+#include <stdio.h>
+#include <stdlib.h>
+
+static const size_t kMaxAllowedMallocSizePlusOne =
+#if __LP64__ || defined(_WIN64)
+    (1ULL << 40) + 1;
+#else
+    (3UL << 30) + 1;
+#endif
+
+int main() {
+  void *p = malloc(kMaxAllowedMallocSizePlusOne);
+  // CHECK: {{ERROR: AddressSanitizer: requested allocation size .* \(.* after adjustments for alignment, red zones etc\.\) exceeds maximum supported size}}
+  // CHECK: {{#0 0x.* in .*malloc}}
+  // CHECK: {{#1 0x.* in main .*malloc-size-too-big.cpp:}}[[@LINE-3]]
+  // CHECK: SUMMARY: AddressSanitizer: allocation-size-too-big
+
+  printf("malloc returned: %zu\n", (size_t)p);
+  // CHECK-NULL: malloc returned: 0
+
+  return 0;
+}