vim/backport-CVE-2022-0714.patch
2022-03-05 14:10:14 +08:00

52 lines
1.3 KiB
Diff
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

From 4e889f98e95ac05d7c8bd3ee933ab4d47820fdfa Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Mon, 21 Feb 2022 19:36:12 +0000
Subject: [PATCH] patch 8.2.4436: crash with weird 'vartabstop' value
Problem: Crash with weird 'vartabstop' value.
Solution: Check for running into the end of the line.
---
src/indent.c | 2 ++
src/testdir/test_vartabs.vim | 14 ++++++++++++++
2 files changed, 16 insertions(+)
diff --git a/src/indent.c b/src/indent.c
index 075802c..6b8900f 100644
--- a/src/indent.c
+++ b/src/indent.c
@@ -1279,6 +1279,8 @@ change_indent(
new_cursor_col += (*mb_ptr2len)(ptr + new_cursor_col);
else
++new_cursor_col;
+ if (ptr[new_cursor_col] == NUL)
+ break;
vcol += lbr_chartabsize(ptr, ptr + new_cursor_col, (colnr_T)vcol);
}
vcol = last_vcol;
diff --git a/src/testdir/test_vartabs.vim b/src/testdir/test_vartabs.vim
index 47844fb..c2919d8 100644
--- a/src/testdir/test_vartabs.vim
+++ b/src/testdir/test_vartabs.vim
@@ -378,3 +378,17 @@ func Test_vartabs_reset()
set all&
call assert_equal('', &vts)
endfunc
+
+func Test_vartabstop_latin1()
+ let save_encoding = &encoding
+ new
+ set encoding=iso8859
+ silent norm :se 
+ set vartabstop=400
+ norm i00 
+ bwipe!
+ let &encoding = save_encoding
+endfunc
+
+
+" vim: shiftwidth=2 sts=2 expandtab
--
2.27.0