Mercurial > vim
changeset 15109:b91cd042c2fc v8.1.0565
patch 8.1.0565: asan complains about reading before allocated block
commit https://github.com/vim/vim/commit/10600db772a6b50093b8027509d7089c209d1e26
Author: Bram Moolenaar <Bram@vim.org>
Date: Wed Dec 5 19:46:07 2018 +0100
patch 8.1.0565: asan complains about reading before allocated block
Problem: Asan complains about reading before allocated block.
Solution: Workaround: Avoid offset from becoming negative.
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Wed, 05 Dec 2018 20:00:07 +0100 |
parents | 5b52bc3a0279 |
children | 004ab96707d4 |
files | src/gui.c src/version.c |
diffstat | 2 files changed, 4 insertions(+), 1 deletions(-) [+] |
line wrap: on
line diff
--- a/src/gui.c +++ b/src/gui.c @@ -2753,7 +2753,8 @@ gui_redraw_block( } else if (enc_utf8) { - if (ScreenLines[off + col1] == 0) + // FIXME: how can the first character ever be zero? + if (col1 > 0 && ScreenLines[off + col1] == 0) --col1; # ifdef FEAT_GUI_GTK if (col2 + 1 < Columns && ScreenLines[off + col2 + 1] == 0)