vim/backport-CVE-2022-2264.patch
2022-11-03 15:22:25 +08:00

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From d25f003342aca9889067f2e839963dfeccf1fe05 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Thu, 30 Jun 2022 12:30:19 +0100
Subject: [PATCH] patch 9.0.0011: reading beyond the end of the line with put
command
Problem: Reading beyond the end of the line with put command.
Solution: Adjust the end mark position.
---
src/register.c | 2 ++
src/testdir/test_put.vim | 12 ++++++++++++
2 files changed, 14 insertions(+)
diff --git a/src/register.c b/src/register.c
index 87689f7..51c14b8 100644
--- a/src/register.c
+++ b/src/register.c
@@ -1918,6 +1918,8 @@ do_put(
vim_memset(ptr, ' ', (size_t)spaces);
ptr += spaces;
}
+ else
+ totlen -= spaces; // didn't use these spaces
}
// may insert some spaces after the new text
diff --git a/src/testdir/test_put.vim b/src/testdir/test_put.vim
index 6df04cf..c8d306a 100644
--- a/src/testdir/test_put.vim
+++ b/src/testdir/test_put.vim
@@ -219,5 +219,17 @@ func Test_put_empty_register()
bwipe!
endfunc
+" this was putting the end mark after the end of the line
+func Test_put_visual_mode()
+ edit! SomeNewBuffer
+ set selection=exclusive
+ exe "norm o\t"
+ m0
+ sil! norm 
p
p
+
+ bwipe!
+ set selection&
+endfunc
+
" vim: shiftwidth=2 sts=2 expandtab
--
1.8.3.1