patch: fix CVE-2018-6952

(From OE-Core rev: 1314a6953aa647706107557faaba8574e307d2bd)

(From OE-Core rev: 7d518d342eb67d25aa071fb08d03f06d6da576c6)

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Hongxu Jia 2018-08-22 20:10:40 +08:00 committed by Richard Purdie
parent 40a817a038
commit 05711ba185
2 changed files with 37 additions and 0 deletions

View File

@ -0,0 +1,36 @@
From 9c986353e420ead6e706262bf204d6e03322c300 Mon Sep 17 00:00:00 2001
From: Andreas Gruenbacher <agruen@gnu.org>
Date: Fri, 17 Aug 2018 13:35:40 +0200
Subject: [PATCH] Fix swapping fake lines in pch_swap
* src/pch.c (pch_swap): Fix swapping p_bfake and p_efake when there is a
blank line in the middle of a context-diff hunk: that empty line stays
in the middle of the hunk and isn't swapped.
Fixes: https://savannah.gnu.org/bugs/index.php?53133
Signed-off-by: Andreas Gruenbacher <agruen@gnu.org>
Upstream-Status: Backport [https://git.savannah.gnu.org/git/patch.git]
CVE: CVE-2018-6952
Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
---
src/pch.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/pch.c b/src/pch.c
index e92bc64..a500ad9 100644
--- a/src/pch.c
+++ b/src/pch.c
@@ -2122,7 +2122,7 @@ pch_swap (void)
}
if (p_efake >= 0) { /* fix non-freeable ptr range */
if (p_efake <= i)
- n = p_end - i + 1;
+ n = p_end - p_ptrn_lines;
else
n = -i;
p_efake += n;
--
2.10.2

View File

@ -5,6 +5,7 @@ SRC_URI += "file://0001-Unset-need_charset_alias-when-building-for-musl.patch \
file://0002-Fix-segfault-with-mangled-rename-patch.patch \
file://0003-Allow-input-files-to-be-missing-for-ed-style-patches.patch \
file://0004-Fix-arbitrary-command-execution-in-ed-style-patches-.patch \
file://0001-Fix-swapping-fake-lines-in-pch_swap.patch \
"
SRC_URI[md5sum] = "4c68cee989d83c87b00a3860bcd05600"