Index: lib/sdk/crt/stdio/file.c
===================================================================
--- lib/sdk/crt/stdio/file.c	(revision 62704)
+++ lib/sdk/crt/stdio/file.c	(working copy)
@@ -2813,7 +2813,7 @@
 {
   int open_flags, stream_flags, fd;
 
-  TRACE(":path (%p) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file->_file);
+  TRACE(":path (%p) mode (%s) file (%p) fd (%d)\n", debugstr_w(path), debugstr_w(mode), file, file ? file->_file : 0);
 
   LOCK_FILES();
   if (!file || ((fd = file->_file) < 0) || fd > fdend)