1 files changed, 69 insertions, 0 deletions
diff --git a/test/asan/TestCases/Posix/start-deactivated.cc b/test/asan/TestCases/Posix/start-deactivated.cc
new file mode 100644
index 0000000000000..d60677a8a5bb8
--- /dev/null
+++ b/test/asan/TestCases/Posix/start-deactivated.cc
@@ -0,0 +1,69 @@
+// Test for ASAN_OPTIONS=start_deactivated=1 mode.
+// Main executable is uninstrumented, but linked to ASan runtime. The shared
+// library is instrumented. Memory errors before dlopen are not detected.
+
+// RUN: %clangxx_asan -O0 -DSHARED_LIB %s -fPIC -shared -o %t-so.so
+// RUN: %clangxx -O0 %s -c -o %t.o
+// RUN: %clangxx_asan -O0 %t.o -o %t
+// RUN: ASAN_OPTIONS=start_deactivated=1 not %run %t 2>&1 | FileCheck %s
+// XFAIL: arm-linux-gnueabi
+// XFAIL: armv7l-unknown-linux-gnueabihf
+
+#if !defined(SHARED_LIB)
+#include <dlfcn.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <string>
+
+#include "sanitizer/asan_interface.h"
+
+void test_malloc_shadow() {
+  char *p = (char *)malloc(100);
+  char *q = (char *)__asan_region_is_poisoned(p + 95, 8);
+  fprintf(stderr, "=%zd=\n", q ? q - (p + 95) : -1);
+  free(p);
+}
+
+typedef void (*Fn)();
+
+int main(int argc, char *argv[]) {
+  test_malloc_shadow();
+  // CHECK: =-1=
+
+  std::string path = std::string(argv[0]) + "-so.so";
+  void *dso = dlopen(path.c_str(), RTLD_NOW);
+  if (!dso) {
+    fprintf(stderr, "dlopen failed: %s\n", dlerror());
+    return 1;
+  }
+
+  test_malloc_shadow();
+  // CHECK: =5=
+
+  void *fn = dlsym(dso, "do_another_bad_thing");
+  if (!fn) {
+    fprintf(stderr, "dlsym failed: %s\n", dlerror());
+    return 1;
+  }
+
+  ((Fn)fn)();
+  // CHECK: AddressSanitizer: heap-buffer-overflow
+  // CHECK: READ of size 1
+  // CHECK: {{#0 .* in do_another_bad_thing}}
+  // CHECK: is located 5 bytes to the right of 100-byte region
+  // CHECK: in do_another_bad_thing
+
+  return 0;
+}
+#else  // SHARED_LIB
+#include <stdio.h>
+#include <stdlib.h>
+
+extern "C" void do_another_bad_thing() {
+  char *volatile p = (char *)malloc(100);
+  printf("%hhx\n", p[105]);
+}
+#endif  // SHARED_LIB