1 files changed, 18 insertions, 0 deletions
diff --git a/lib/asan/lit_tests/double-free.cc b/lib/asan/lit_tests/double-free.cc
new file mode 100644
index 000000000000..9e201117c563
--- /dev/null
+++ b/lib/asan/lit_tests/double-free.cc
@@ -0,0 +1,18 @@
+// RUN: %clangxx_asan -m64 -O0 %s -o %t && %t 2>&1 | %symbolize | FileCheck %s
+
+#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];
+  free(x);
+  free(x + argc - 1);  // BOOM
+  // CHECK: AddressSanitizer: attempting double-free{{.*}}in thread T0
+  // CHECK: double-free.cc:[[@LINE-2]]
+  // CHECK: freed by thread T0 here:
+  // CHECK: double-free.cc:[[@LINE-5]]
+  // CHECK: allocated by thread T0 here:
+  // CHECK: double-free.cc:[[@LINE-10]]
+  return res;
+}