vim/backport-CVE-2022-0361.patch
shixuantong 0842389d6c fix CVE-2022-0351 CVE-2022-0361 CVE-2022-0408 CVE-2022-0359 CVE-2022-0368 CVE-2022-0413
(cherry picked from commit 13e64223e934a5ac08bf434b998cf45530cc6822)
2022-02-08 11:25:49 +08:00

52 lines
1.4 KiB
Diff

From dc5490e2cbc8c16022a23b449b48c1bd0083f366 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Tue, 25 Jan 2022 13:52:53 +0000
Subject: [PATCH] patch 8.2.4215: illegal memory access when copying lines in
Visual mode
Problem: Illegal memory access when copying lines in Visual mode.
Solution: Adjust the Visual position after copying lines.
---
src/ex_cmds.c | 2 ++
src/testdir/test_visual.vim | 11 +++++++++++
2 files changed, 13 insertions(+)
diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index 8f6444f..cccdf47 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -864,6 +864,8 @@ ex_copy(linenr_T line1, linenr_T line2, linenr_T n)
}
appended_lines_mark(n, count);
+ if (VIsual_active)
+ check_pos(curbuf, &VIsual);
msgmore((long)count);
}
diff --git a/src/testdir/test_visual.vim b/src/testdir/test_visual.vim
index 3ed927a..dbc28eb 100644
--- a/src/testdir/test_visual.vim
+++ b/src/testdir/test_visual.vim
@@ -659,6 +659,17 @@ func Test_linewise_select_mode()
exe "normal GkkgH\<Del>"
call assert_equal(['', 'b', 'c'], getline(1, '$'))
+" this was leaving the end of the Visual area beyond the end of a line
+func Test_visual_ex_copy_line()
+ new
+ call setline(1, ["aaa", "bbbbbbbbbxbb"])
+ /x
+ exe "normal ggvjfxO"
+ t0
+ normal gNU
+ bwipe!
+endfunc
+
" linewise select mode: delete middle two lines
call deletebufline('', 1, '$')
--
1.8.3.1