fix CVE-2022-0213

(cherry picked from commit 57c2d8ba6985ae8f7790b5c0c01995e25e157a07)

backport-CVE-2022-0213.patch

@@ -0,0 +1,62 @@
+From de05bb25733c3319e18dca44e9b59c6ee389eb26 Mon Sep 17 00:00:00 2001
+From: Bram Moolenaar <Bram@vim.org>
+Date: Thu, 13 Jan 2022 13:08:14 +0000
+Subject: [PATCH] patch 8.2.4074: going over the end of NameBuff
+
+Problem:    Going over the end of NameBuff.
+Solution:   Check length when appending a space.
+
+---
+ src/drawscreen.c          |  9 +++++----
+ src/testdir/test_edit.vim | 15 +++++++++++++++
+ src/version.c             |  2 ++
+ 3 files changed, 22 insertions(+), 4 deletions(-)
+
+diff --git a/src/drawscreen.c b/src/drawscreen.c
+index 9acb705..7425ad4 100644
+--- a/src/drawscreen.c
++++ b/src/drawscreen.c
+@@ -437,12 +437,13 @@ win_redr_status(win_T *wp, int ignore_pum UNUSED)
+ 	p = NameBuff;
+ 	len = (int)STRLEN(p);
+ 
+-	if (bt_help(wp->w_buffer)
++	if ((bt_help(wp->w_buffer)
+ #ifdef FEAT_QUICKFIX
+-		|| wp->w_p_pvw
++		    || wp->w_p_pvw
+ #endif
+-		|| bufIsChanged(wp->w_buffer)
+-		|| wp->w_buffer->b_p_ro)
++		    || bufIsChanged(wp->w_buffer)
++		    || wp->w_buffer->b_p_ro)
++		&& len < MAXPATHL - 1)
+ 	    *(p + len++) = ' ';
+ 	if (bt_help(wp->w_buffer))
+ 	{
+diff --git a/src/testdir/test_edit.vim b/src/testdir/test_edit.vim
+index c3b1af5..48e6ff2 100644
+--- a/src/testdir/test_edit.vim
++++ b/src/testdir/test_edit.vim
+@@ -1532,3 +1532,18 @@ func Test_edit_put_CTRL_E()
+   set encoding=utf-8
+ endfunc
+ 
++" Weird long file name was going over the end of NameBuff
++func Test_edit_overlong_file_name()
++  CheckUnix
++
++  file 0000000000000000000000000000
++  file %%%%%%%%%%%%%%%%%%%%%%%%%%
++  file %%%%%%
++  set readonly
++  set ls=2
++
++  redraw!
++  set noreadonly ls&
++  bwipe!
++endfunc
++
+-- 
+2.23.0
+

vim.spec

@@ -11,7 +11,7 @@
 Name:           vim
 Epoch:          2
 Version:        8.2
-Release:        11
+Release:        12
 Summary:        Vim is a highly configurable text editor for efficiently creating and changing any kind of text.
 License:        Vim and MIT
 URL:            http://www.vim.org
@@ -54,6 +54,7 @@ Patch6020:      backport-CVE-2021-4166.patch
 Patch6021:      backport-fix-arglist-test-fails.patch
 Patch6022:      backport-CVE-2021-4192.patch
 Patch6023:      backport-CVE-2021-4193.patch
+Patch6024:      backport-CVE-2022-0213.patch
 
 Patch9000:      bugfix-rm-modify-info-version.patch
 
@@ -442,6 +443,12 @@ popd
 %{_mandir}/man1/evim.*
 
 %changelog
+* Thu Jan 20 2022 guozhaorui<guozhaorui1@huawei.com> - 2:8.2-12
+- Type:CVE
+- ID:CVE-2022-0213
+- SUG:NA
+- DESC:fix CVE-2022-0213
+
 * Mon Jan 17 2022 yuanxin<yuanxin24@huawei.com> - 2:8.2-11
 - Type:CVE
 - ID:CVE-2021-4166 CVE-2021-4192 CVE-2021-4193