1 files changed, 24 insertions, 0 deletions
diff --git a/test/asan/TestCases/heap-overflow.cc b/test/asan/TestCases/heap-overflow.cc
new file mode 100644
index 000000000000..70a1203562be
--- /dev/null
+++ b/test/asan/TestCases/heap-overflow.cc
@@ -0,0 +1,24 @@
+// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
+// RUN: env ASAN_OPTIONS=print_stats=1 not %run %t 2>&1 | FileCheck %s
+
+// FIXME: Fix this test under GCC.
+// REQUIRES: Clang
+
+#include <stdlib.h>
+#include <string.h>
+int main(int argc, char **argv) {
+  char *x = (char*)malloc(10 * sizeof(char));
+  memset(x, 0, 10);
+  int res = x[argc * 10];  // BOOOM
+  // CHECK: {{READ of size 1 at 0x.* thread T0}}
+  // CHECK: {{    #0 0x.* in main .*heap-overflow.cc:}}[[@LINE-2]]
+  // CHECK: {{0x.* is located 0 bytes to the right of 10-byte region}}
+  // CHECK: {{allocated by thread T0 here:}}
+
+  // CHECK: {{    #0 0x.* in .*malloc}}
+  free(x);
+  return res;
+}