Checking patch libio/fileops.c...
error: while searching for:
int
_IO_file_sync_mmap (FILE *fp)
{
  if (fp->_IO_read_ptr != fp->_IO_read_end)
    {
      if (__lseek64 (fp->_fileno, fp->_IO_read_ptr - fp->_IO_buf_base,
		     SEEK_SET)
	  != fp->_IO_read_ptr - fp->_IO_buf_base)
	{
	  fp->_flags |= _IO_ERR_SEEN;
	  return EOF;
	}
    }
  fp->_offset = fp->_IO_read_ptr - fp->_IO_buf_base;
  fp->_IO_read_end = fp->_IO_read_ptr = fp->_IO_read_base;
  return 0;
}

error: patch failed: libio/fileops.c:858
error: libio/fileops.c: patch does not apply
Checking patch stdio-common/Makefile...
error: while searching for:
  tst-fdopen2 \
  tst-ferror \
  tst-fflush-all-input \
  tst-fgets \
  tst-fgets2 \
  tst-fileno \

error: patch failed: stdio-common/Makefile:239
error: stdio-common/Makefile: patch does not apply
Checking patch stdio-common/tst-fflush-mmap.c...
error: stdio-common/tst-fflush-mmap.c: already exists in working directory