From: Ulrich Drepper <drepper@redhat.com>
Date: Fri, 29 May 1998 12:05:04 +0000 (+0000)
Subject: (_nl_load_locale): Don't allow too small files crash the program.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=566e69afcda6640ede8a857fba3e48ba6f79b656;p=thirdparty%2Fglibc.git

(_nl_load_locale): Don't allow too small files crash the program.
---

diff --git a/locale/loadlocale.c b/locale/loadlocale.c
index 474a73cf6e3..83f976b79d7 100644
--- a/locale/loadlocale.c
+++ b/locale/loadlocale.c
@@ -1,5 +1,5 @@
 /* Functions to read locale data files.
-Copyright (C) 1996 Free Software Foundation, Inc.
+Copyright (C) 1996, 1998 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
 
@@ -109,6 +109,9 @@ _nl_load_locale (struct loaded_l10nfile *file, int category)
       if (__fstat (fd, &st) < 0)
 	goto puntfd;
     }
+  else if (st.st_size < sizeof (*filedata))
+    /* This cannot be a locale data file since it's too small.  */
+    goto puntfd;
 
   /* Map in the file's data.  */
   save_err = errno;