1 files changed, 28 insertions, 0 deletions
diff --git a/compiler-rt/test/msan/Linux/forkpty.cpp b/compiler-rt/test/msan/Linux/forkpty.cpp
new file mode 100644
index 00000000000..c5f09f0b843
--- /dev/null
+++ b/compiler-rt/test/msan/Linux/forkpty.cpp
@@ -0,0 +1,28 @@
+// RUN: %clangxx_msan -O0 -g %s -lutil -o %t && %run %t
+
+#include <assert.h>
+#include <pty.h>
+#include <unistd.h>
+#include <cstring>
+
+#include <sanitizer/msan_interface.h>
+
+int
+main (int argc, char** argv)
+{
+  int parent, worker;
+  openpty(&parent, &worker, NULL, NULL, NULL);
+  assert(__msan_test_shadow(&parent, sizeof(parent)) == -1);
+  assert(__msan_test_shadow(&worker, sizeof(worker)) == -1);
+
+  char name[255];
+  ttyname_r(parent, name, sizeof(name));
+  assert(__msan_test_shadow(name, strlen(name) + 1) == -1);
+
+  char *name_p = ttyname(parent);
+  assert(__msan_test_shadow(name_p, strlen(name_p) + 1) == -1);
+
+  int parent2;
+  forkpty(&parent2, NULL, NULL, NULL);
+  assert(__msan_test_shadow(&parent2, sizeof(parent2)) == -1);
+}