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49d0c3b8bd
This is a follow up for 58fc65d2b14f59efea945f9dc2dc39d9db45d72e which fixed CVE-2018-6951 but didn't fix CVE-2018-6952 as a patch for it wasn't available back then. Should probably fix #8563 (can't see the issues as it is confidential). https://savannah.gnu.org/bugs/index.php?53133
28 lines
835 B
Diff
28 lines
835 B
Diff
From 9c986353e420ead6e706262bf204d6e03322c300 Mon Sep 17 00:00:00 2001
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From: Andreas Gruenbacher <agruen@gnu.org>
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Date: Fri, 17 Aug 2018 13:35:40 +0200
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Subject: [PATCH] Fix swapping fake lines in pch_swap
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* src/pch.c (pch_swap): Fix swapping p_bfake and p_efake when there is a
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blank line in the middle of a context-diff hunk: that empty line stays
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in the middle of the hunk and isn't swapped.
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Fixes: https://savannah.gnu.org/bugs/index.php?53133
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---
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src/pch.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/pch.c b/src/pch.c
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index e92bc64..a500ad9 100644
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--- a/src/pch.c
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+++ b/src/pch.c
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@@ -2122,7 +2122,7 @@ pch_swap (void)
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}
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if (p_efake >= 0) { /* fix non-freeable ptr range */
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if (p_efake <= i)
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- n = p_end - i + 1;
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+ n = p_end - p_ptrn_lines;
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else
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n = -i;
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p_efake += n;
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