1 files changed, 41 insertions, 0 deletions
diff --git a/test/asan/TestCases/contiguous_container_crash.cc b/test/asan/TestCases/contiguous_container_crash.cc
new file mode 100644
index 000000000000..143ae9d8edee
--- /dev/null
+++ b/test/asan/TestCases/contiguous_container_crash.cc
@@ -0,0 +1,41 @@
+// RUN: %clangxx_asan -O %s -o %t
+// RUN: not %run %t crash 2>&1 | FileCheck --check-prefix=CHECK-CRASH %s
+// RUN: not %run %t bad-bounds 2>&1 | FileCheck --check-prefix=CHECK-BAD %s
+// RUN: env ASAN_OPTIONS=detect_container_overflow=0 %run %t crash
+//
+// Test crash due to __sanitizer_annotate_contiguous_container.
+
+#include <assert.h>
+#include <string.h>
+
+extern "C" {
+void __sanitizer_annotate_contiguous_container(const void *beg, const void *end,
+                                               const void *old_mid,
+                                               const void *new_mid);
+}  // extern "C"
+
+static volatile int one = 1;
+
+int TestCrash() {
+  long t[100];
+  t[60] = 0;
+  __sanitizer_annotate_contiguous_container(&t[0], &t[0] + 100, &t[0] + 100,
+                                            &t[0] + 50);
+  return (int)t[60 * one];  // Touches the poisoned memory.
+}
+
+void BadBounds() {
+  long t[100];
+  __sanitizer_annotate_contiguous_container(&t[0], &t[0] + 100, &t[0] + 101,
+                                            &t[0] + 50);
+}
+
+int main(int argc, char **argv) {
+  assert(argc == 2);
+  if (!strcmp(argv[1], "crash"))
+    return TestCrash();
+  else if (!strcmp(argv[1], "bad-bounds"))
+    BadBounds();
+}
+// CHECK-CRASH: AddressSanitizer: container-overflow
+// CHECK-BAD: ERROR: AddressSanitizer: bad parameters to __sanitizer_annotate_contiguous_container