!673 fix coredump when use vnew command

From: @fwo 
Reviewed-by: @dillon_chen 
Signed-off-by: @dillon_chen
This commit is contained in:
openeuler-ci-bot 2024-11-18 09:32:06 +00:00 committed by Gitee
commit 94724ad247
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GPG Key ID: 173E9B9CA92EEF8F
2 changed files with 64 additions and 1 deletions

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@ -0,0 +1,56 @@
From 59149f02692804267e7cc0665d0334f6ff4675be Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Sat, 14 Sep 2024 10:40:29 +0200
Subject: [PATCH] patch 9.1.0730: Crash with cursor-screenline and narrow
window
Problem: Crash with cursor-screenline and narrow window
(elig0n)
Solution: Don't set right_col when width2 is 0 (zeertzjq).
fixes: #15677
closes: #15678
Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
---
src/drawline.c | 2 +-
src/testdir/test_cursorline.vim | 11 +++++++++++
2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/src/drawline.c b/src/drawline.c
index b627192a4ee0f..fd5d56b43e508 100644
--- a/src/drawline.c
+++ b/src/drawline.c
@@ -62,7 +62,7 @@ margin_columns_win(win_T *wp, int *left_col, int *right_col)
*left_col = 0;
*right_col = width1;
- if (wp->w_virtcol >= (colnr_T)width1)
+ if (wp->w_virtcol >= (colnr_T)width1 && width2 > 0)
*right_col = width1 + ((wp->w_virtcol - width1) / width2 + 1) * width2;
if (wp->w_virtcol >= (colnr_T)width1 && width2 > 0)
*left_col = (wp->w_virtcol - width1) / width2 * width2 + width1;
diff --git a/src/testdir/test_cursorline.vim b/src/testdir/test_cursorline.vim
index bdde670d207a5..d258111ae4de1 100644
--- a/src/testdir/test_cursorline.vim
+++ b/src/testdir/test_cursorline.vim
@@ -309,6 +309,17 @@ func Test_cursorline_screenline_update()
call StopVimInTerminal(buf)
endfunc
+func Test_cursorline_screenline_zero_width()
+ CheckOption foldcolumn
+
+ set cursorline culopt=screenline winminwidth=1 foldcolumn=1
+ " This used to crash Vim
+ 1vnew | redraw
+
+ bwipe!
+ set cursorline& culopt& winminwidth& foldcolumn&
+endfunc
+
func Test_cursorline_cursorbind_horizontal_scroll()
CheckScreendump

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@ -14,7 +14,7 @@
Name: vim
Epoch: 2
Version: %{baseversion}.%{patchlevel}
Release: 13
Release: 14
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
@ -51,6 +51,7 @@ Patch6016: backport-CVE-2024-41957.patch
Patch6017: backport-CVE-2024-43374.patch
Patch6018: backport-CVE-2024-43802.patch
Patch6019: backport-patch-9.1.0722-crash-with-large-id-in-text_prop-interface.patch
Patch6020: backport-patch-9.1.0730-crash-with-cursor-screenline-and-narrow-window.patch
Patch9000: bugfix-rm-modify-info-version.patch
Patch9001: fix-CVE-2024-47814.patch
@ -459,6 +460,12 @@ LC_ALL=en_US.UTF-8 make -j1 test || echo "Warning: Please check tests."
%{_mandir}/man1/evim.*
%changelog
* Tue Nov 12 2024 wangjiang <app@cameyan.com> - 2:9.0.2092-14
- Type:bugfix
- ID:NA
- SUG:NA
- DESC:fix coredump when use vnew command
* Thu Oct 17 2024 wangjiang <app@cameyan.com> - 2:9.0.2092-13
- Type:bugfix
- ID:NA