Creating branches/google/stable and tags/google/stable/2019-05-14 from r360103google/stable

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/branches/google/stable@360714 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 32 insertions, 0 deletions

diff --git a/test/hwasan/TestCases/Linux/vfork.c b/test/hwasan/TestCases/Linux/vfork.c
new file mode 100644
index 000000000..84e960279
--- /dev/null
+++ b/test/hwasan/TestCases/Linux/vfork.c
@@ -0,0 +1,32 @@
+// https://github.com/google/sanitizers/issues/925
+// RUN: %clang_hwasan -O0 %s -o %t && %run %t 2>&1
+
+// REQUIRES: aarch64-target-arch || x86_64-target-arch
+
+#include <assert.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sanitizer/hwasan_interface.h>
+
+__attribute__((noinline, no_sanitize("hwaddress"))) void child() {
+  char x[10000];
+  __hwasan_tag_memory(x, 0xAA, sizeof(x));
+  _exit(0);
+}
+
+__attribute__((noinline, no_sanitize("hwaddress"))) void parent() {
+  char x[10000];
+  __hwasan_print_shadow(&x, sizeof(x));
+  assert(__hwasan_test_shadow(x, sizeof(x)) == -1);
+}
+
+int main(int argc, char **argv) {
+  if (vfork())
+    parent();
+  else
+    child();
+
+  return 0;
+}