From de673966c3b681e8354a26a1f054fbda6e07294a Mon Sep 17 00:00:00 2001
From: Christian Clason <c.clason@uni-graz.at>
Date: Wed, 26 Jan 2022 16:36:05 +0100
Subject: vim-patch:8.2.4214: illegal memory access with large 'tabstop' in Ex
 mode

Problem:    Illegal memory access with large 'tabstop' in Ex mode.
Solution:   Allocate enough memory.
https://github.com/vim/vim/commit/85b6747abc15a7a81086db31289cf1b8b17e6cb1
---
 src/nvim/testdir/test_ex_mode.vim | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/nvim/testdir')

diff --git a/src/nvim/testdir/test_ex_mode.vim b/src/nvim/testdir/test_ex_mode.vim
index 92e0559618..78663f7deb 100644
--- a/src/nvim/testdir/test_ex_mode.vim
+++ b/src/nvim/testdir/test_ex_mode.vim
@@ -98,4 +98,14 @@ func Test_ex_mode_count_overflow()
   call delete('Xexmodescript')
 endfunc
 
+func Test_ex_mode_large_indent()
+  new
+  set ts=500 ai
+  call setline(1, "\t")
+  exe "normal gQi\<CR>."
+  set ts=8 noai
+  bwipe!
+endfunc
+
+
 " vim: shiftwidth=2 sts=2 expandtab
-- 
cgit 


From b2b288f33c7a8e780654d5f883dfc2948ff7edc3 Mon Sep 17 00:00:00 2001
From: Christian Clason <c.clason@uni-graz.at>
Date: Wed, 26 Jan 2022 16:37:25 +0100
Subject: vim-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.
https://github.com/vim/vim/commit/dc5490e2cbc8c16022a23b449b48c1bd0083f366
---
 src/nvim/testdir/test_visual.vim | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/nvim/testdir')

diff --git a/src/nvim/testdir/test_visual.vim b/src/nvim/testdir/test_visual.vim
index e1e7765e06..5fb4934a1d 100644
--- a/src/nvim/testdir/test_visual.vim
+++ b/src/nvim/testdir/test_visual.vim
@@ -1151,5 +1151,16 @@ func Test_visual_reselect_with_count()
   call delete('XvisualReselect')
 endfunc
 
+" 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
+
 
 " vim: shiftwidth=2 sts=2 expandtab
-- 
cgit 


From e9247b0d5da8f2158b8a64c736919faa7d708519 Mon Sep 17 00:00:00 2001
From: Christian Clason <c.clason@uni-graz.at>
Date: Wed, 26 Jan 2022 16:40:54 +0100
Subject: vim-patch:8.2.4217: illegal memory access when undo makes Visual area
 invalid

Problem:    Illegal memory access when undo makes Visual area invalid.
Solution:   Correct the Visual area after undo.
https://github.com/vim/vim/commit/8d02ce1ed75d008c34a5c9aaa51b67cbb9d33baa

vim-patch:8.2.4218: illegal memory access with bracketed paste in Ex mode (N/A)
---
 src/nvim/testdir/test_visual.vim | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'src/nvim/testdir')

diff --git a/src/nvim/testdir/test_visual.vim b/src/nvim/testdir/test_visual.vim
index 5fb4934a1d..8520c8e900 100644
--- a/src/nvim/testdir/test_visual.vim
+++ b/src/nvim/testdir/test_visual.vim
@@ -1162,5 +1162,20 @@ func Test_visual_ex_copy_line()
   bwipe!
 endfunc
 
+" This was leaving the end of the Visual area beyond the end of a line.
+" Set 'undolevels' to start a new undo block.
+func Test_visual_undo_deletes_last_line()
+  new
+  call setline(1, ["aaa", "ccc", "dyd"])
+  set undolevels=100
+  exe "normal obbbbbbbbbxbb\<Esc>"
+  set undolevels=100
+  /y
+  exe "normal ggvjfxO"
+  undo
+  normal gNU
+  bwipe!
+endfunc
+
 
 " vim: shiftwidth=2 sts=2 expandtab
-- 
cgit 


From 540264306b6340bdd8133cd3307b169f7708c4d6 Mon Sep 17 00:00:00 2001
From: Christian Clason <c.clason@uni-graz.at>
Date: Wed, 26 Jan 2022 16:47:39 +0100
Subject: vim-patch:8.2.4219: reading before the start of the line

Problem:    Reading before the start of the line.
Solution:   Check boundary before trying to read the character.
https://github.com/vim/vim/commit/44db8213d38c39877d2148eff6a72f4beccfb94e
---
 src/nvim/testdir/test_visual.vim | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/nvim/testdir')

diff --git a/src/nvim/testdir/test_visual.vim b/src/nvim/testdir/test_visual.vim
index 8520c8e900..b087c88c35 100644
--- a/src/nvim/testdir/test_visual.vim
+++ b/src/nvim/testdir/test_visual.vim
@@ -1103,6 +1103,13 @@ func Test_visual_put_blockedit_zy_and_zp()
   bw!
 endfunc
 
+func Test_visual_block_yank_zy()
+  new
+  " this was reading before the start of the line
+  exe "norm o\<C-T>\<Esc>\<C-V>zy"
+  bwipe!
+endfunc
+
 func Test_visual_block_with_virtualedit()
   CheckScreendump
 
-- 
cgit