Index: test/msan/pthread_getattr_np_deadlock.cc
===================================================================
--- test/msan/pthread_getattr_np_deadlock.cc
+++ test/msan/pthread_getattr_np_deadlock.cc
@@ -5,8 +5,14 @@
 #include <assert.h>
 #include <pthread.h>
 
+#if defined(__FreeBSD__)
+#include <pthread_np.h>
+#define pthread_getattr_np pthread_attr_get_np
+#endif
+
 void *ThreadFn(void *) {
   pthread_attr_t attr;
+  pthread_attr_init(&attr);
   int res = pthread_getattr_np(pthread_self(), &attr);
   assert(!res);
   return 0;