From 8a29509dd9aa179bfe4ef96d49d72f6816ec878f Mon Sep 17 00:00:00 2001
From: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Wed, 12 Aug 2015 18:56:08 -0700
Subject: Fix BZ #16734 -- fopen calls mmap to allocate its buffer

---
 libio/wfiledoalloc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'libio/wfiledoalloc.c')

diff --git a/libio/wfiledoalloc.c b/libio/wfiledoalloc.c
index 12425fd..4acf3f8 100644
--- a/libio/wfiledoalloc.c
+++ b/libio/wfiledoalloc.c
@@ -95,7 +95,9 @@ _IO_wfile_doallocate (fp)
   size = fp->_IO_buf_end - fp->_IO_buf_base;
   if ((fp->_flags & _IO_USER_BUF))
     size = (size + sizeof (wchar_t) - 1) / sizeof (wchar_t);
-  ALLOC_WBUF (p, size * sizeof (wchar_t), EOF);
+  p = malloc (size * sizeof (wchar_t));
+  if (__glibc_unlikely (p == NULL))
+    return EOF;
   _IO_wsetb (fp, p, p + size, 1);
   return 1;
 }
-- 
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