Mercurial > vim
view src/testdir/test_preview.vim @ 33802:b857615e5d42 v9.0.2117
patch 9.0.2117: [security] use-after-free in qf_free_items
Commit: https://github.com/vim/vim/commit/567cae2630a51efddc07eacff3b38a295e1f5671
Author: Christian Brabandt <cb@256bit.org>
Date: Sun Nov 19 16:19:27 2023 +0100
patch 9.0.2117: [security] use-after-free in qf_free_items
Problem: [security] use-after-free in qf_free_items
Solution: only access qfpnext, if it hasn't been freed
Coverity discovered a possible use-after-free in qf_free_items. When
freeing the qfline items, we may access freed memory, when qfp ==
qfpnext.
So only access qfpnext, when it hasn't been freed.
Signed-off-by: Christian Brabandt <cb@256bit.org>
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Tue, 21 Nov 2023 20:15:05 +0100 |
| parents | 457ea0570b6f |
| children |
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" Tests for the preview window source check.vim CheckFeature quickfix func Test_Psearch() " this used to cause ml_get errors help let wincount = winnr('$') 0f ps. call assert_equal(wincount + 1, winnr('$')) pclose call assert_equal(wincount, winnr('$')) bwipe endfunc func Test_window_preview() CheckFeature quickfix " Open a preview window pedit Xa call assert_equal(2, winnr('$')) call assert_equal(0, &previewwindow) " Go to the preview window wincmd P call assert_equal(1, &previewwindow) call assert_equal('preview', win_gettype()) " Close preview window wincmd z call assert_equal(1, winnr('$')) call assert_equal(0, &previewwindow) call assert_fails('wincmd P', 'E441:') endfunc func Test_window_preview_from_help() CheckFeature quickfix filetype on call writefile(['/* some C code */'], 'Xpreview.c', 'D') help pedit Xpreview.c wincmd P call assert_equal(1, &previewwindow) call assert_equal('c', &filetype) wincmd z filetype off close endfunc func Test_multiple_preview_windows() new set previewwindow new call assert_fails('set previewwindow', 'E590:') %bw! endfunc " vim: shiftwidth=2 sts=2 expandtab