was referencing a descoped string

kern/thread/synch.c

@@ -158,7 +158,7 @@ struct lock * lock_create(const char * name)
 
   lock->lk_name = kstrdup(name);
   
-  struct wchan * wc = wchan_create(name);
+  struct wchan * wc = wchan_create(lock->lk_name);
   
   if (lock->lk_name == NULL || wc == NULL)
   {