1 files changed, 40 insertions, 0 deletions
diff --git a/test/msan/Linux/sunrpc.cc b/test/msan/Linux/sunrpc.cc
new file mode 100644
index 000000000000..78645a7dcbf2
--- /dev/null
+++ b/test/msan/Linux/sunrpc.cc
@@ -0,0 +1,40 @@
+// RUN: %clangxx_msan -m64 -g -O0 -DTYPE=int -DFN=xdr_int %s -o %t && \
+// RUN:     %run %t 2>&1
+// RUN: %clangxx_msan -m64 -g -O0 -DTYPE=int -DFN=xdr_int -DUNINIT=1 %s -o %t && \
+// RUN:     not %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_msan -m64 -g -O0 -DTYPE=double -DFN=xdr_double %s -o %t && \
+// RUN:     %run %t 2>&1
+// RUN: %clangxx_msan -m64 -g -O0 -DTYPE=double -DFN=xdr_double -DUNINIT=1 %s -o %t && \
+// RUN:     not %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_msan -m64 -g -O0 -DTYPE=u_quad_t -DFN=xdr_u_longlong_t %s -o %t && \
+// RUN:     %run %t 2>&1
+// RUN: %clangxx_msan -m64 -g -O0 -DTYPE=u_quad_t -DFN=xdr_u_longlong_t -DUNINIT=1 %s -o %t && \
+// RUN:     not %run %t 2>&1 | FileCheck %s
+
+#include <assert.h>
+#include <rpc/xdr.h>
+
+#include <sanitizer/msan_interface.h>
+
+int main(int argc, char *argv[]) {
+  XDR xdrs;
+  char buf[100];
+  xdrmem_create(&xdrs, buf, sizeof(buf), XDR_ENCODE);
+  TYPE x;
+#ifndef UNINIT
+  x = 42;
+#endif
+  bool_t res = FN(&xdrs, &x);
+  // CHECK: MemorySanitizer: use-of-uninitialized-value
+  // CHECK: {{in main.*sunrpc.cc:}}[[@LINE-2]]
+  assert(res == TRUE);
+  xdr_destroy(&xdrs);
+
+  xdrmem_create(&xdrs, buf, sizeof(buf), XDR_DECODE);
+  TYPE y;
+  res = FN(&xdrs, &y);
+  assert(res == TRUE);
+  assert(__msan_test_shadow(&y, sizeof(y)) == -1);
+  xdr_destroy(&xdrs);
+  return 0;
+}