[compiler-rt] r317723 - [ThinLTO] Ensure sanitizer passes are run

[Teresa Johnson via llvm-commits]

Author: tejohnson
Date: Wed Nov  8 12:27:28 2017
New Revision: 317723

URL: http://llvm.org/viewvc/llvm-project?rev=317723&view=rev
Log:
[ThinLTO] Ensure sanitizer passes are run

Recommit new test as linux-only.

Added:
    compiler-rt/trunk/test/asan/TestCases/Linux/contiguous_container_crash_thinlto.cc

Added: compiler-rt/trunk/test/asan/TestCases/Linux/contiguous_container_crash_thinlto.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/asan/TestCases/Linux/contiguous_container_crash_thinlto.cc?rev=317723&view=auto
==============================================================================
--- compiler-rt/trunk/test/asan/TestCases/Linux/contiguous_container_crash_thinlto.cc (added)
+++ compiler-rt/trunk/test/asan/TestCases/Linux/contiguous_container_crash_thinlto.cc Wed Nov  8 12:27:28 2017
@@ -0,0 +1,53 @@
+// RUN: %clangxx_asan -flto=thin -O %s -o %t.thinlto
+// RUN: not %run %t.thinlto crash 2>&1 | FileCheck --check-prefix=CHECK-CRASH %s
+// RUN: not %run %t.thinlto bad-bounds 2>&1 | FileCheck --check-prefix=CHECK-BAD-BOUNDS %s
+// RUN: not %run %t.thinlto bad-alignment 2>&1 | FileCheck --check-prefix=CHECK-BAD-ALIGNMENT %s
+// RUN: %env_asan_opts=detect_container_overflow=0 %run %t.thinlto 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);
+// CHECK-CRASH: AddressSanitizer: container-overflow
+// CHECK-CRASH: if you don't care about these errors you may set ASAN_OPTIONS=detect_container_overflow=0
+  return (int)t[60 * one];  // Touches the poisoned memory.
+}
+
+void BadBounds() {
+  long t[100];
+// CHECK-BAD-BOUNDS: ERROR: AddressSanitizer: bad parameters to __sanitizer_annotate_contiguous_container
+  __sanitizer_annotate_contiguous_container(&t[0], &t[0] + 100, &t[0] + 101,
+                                            &t[0] + 50);
+}
+
+void BadAlignment() {
+  int t[100];
+// CHECK-BAD-ALIGNMENT: ERROR: AddressSanitizer: bad parameters to __sanitizer_annotate_contiguous_container
+// CHECK-BAD-ALIGNMENT: ERROR: beg is not aligned by 8
+  __sanitizer_annotate_contiguous_container(&t[1], &t[0] + 100, &t[1] + 10,
+                                            &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();
+  else if (!strcmp(argv[1], "bad-alignment"))
+    BadAlignment();
+}