Make bfd_byte an int8_t, flagword a uint32_t

[binutils-gdb.git] / bfd / coff-stgo32.c

diff --git a/bfd/coff-stgo32.c b/bfd/coff-stgo32.c
index cb0df3893750ffa85f4c49ceba1d739d55281dfc..f443a30c7b1647bb2c3003d20da509f4125fe2ea 100644 (file)
--- a/bfd/coff-stgo32.c
+++ b/bfd/coff-stgo32.c
@@ -1,5 +1,5 @@
 /* BFD back-end for Intel 386 COFF files (DJGPP variant with a stub).
-   Copyright (C) 1997-2022 Free Software Foundation, Inc.
+   Copyright (C) 1997-2023 Free Software Foundation, Inc.
    Written by Robert Hoehne.
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -291,6 +291,10 @@ go32exe_check_format (bfd *abfd)
   if (last_page_size != 0)
     stubsize += last_page_size - 512;
 
+  ufile_ptr filesize = bfd_get_file_size (abfd);
+  if (filesize != 0 && stubsize > filesize)
+    goto fail_format;
+
   /* Save now the stub to be used later.  Put the stub data to a temporary
      location first as tdata still does not exist.  It may not even
      be ever created if we are just checking the file format of ABFD.  */