pkgs/tools/text/gnupatch/CVE-2018-6951.patch

   1 From f290f48a621867084884bfff87f8093c15195e6a Mon Sep 17 00:00:00 2001
   2 From: Andreas Gruenbacher <agruen@gnu.org>
   3 Date: Mon, 12 Feb 2018 16:48:24 +0100
   4 Subject: Fix segfault with mangled rename patch
   5
   6 http://savannah.gnu.org/bugs/?53132
   7 * src/pch.c (intuit_diff_type): Ensure that two filenames are specified
   8 for renames and copies (fix the existing check).
   9 ---
  10  src/pch.c | 3 ++-
  11  1 file changed, 2 insertions(+), 1 deletion(-)
  12
  13 diff --git a/src/pch.c b/src/pch.c
  14 index ff9ed2c..bc6278c 100644
  15 --- a/src/pch.c
  16 +++ b/src/pch.c
  17 @@ -974,7 +974,8 @@ intuit_diff_type (bool need_header, mode_t *p_file_type)
  18      if ((pch_rename () || pch_copy ())
  19         && ! inname
  20         && ! ((i == OLD || i == NEW) &&
  21 -             p_name[! reverse] &&
  22 +             p_name[reverse] && p_name[! reverse] &&
  23 +             name_is_valid (p_name[reverse]) &&
  24               name_is_valid (p_name[! reverse])))
  25        {
  26         say ("Cannot %s file without two valid file names\n", pch_rename () ? "rename" : "copy");
  27 --
  28 cgit v1.0-41-gc330