Mercurial > vim
view src/testdir/test_move.vim @ 33863:3b8089d550eb v9.0.2141
patch 9.0.2141: [security]: buffer-overflow in suggest_trie_walk
Commit: https://github.com/vim/vim/commit/0fb375aae608d7306b4baf9c1f906961f32e2abf
Author: Christian Brabandt <cb@256bit.org>
Date: Wed Nov 29 10:23:39 2023 +0100
patch 9.0.2141: [security]: buffer-overflow in suggest_trie_walk
Problem: [security]: buffer-overflow in suggest_trie_walk
Solution: Check n before using it as index into byts array
Basically, n as an index into the byts array, can point to beyond the byts
array. So let's double check, that n is within the expected range after
incrementing it from sp->ts_curi and bail out if it would be invalid.
Reported by @henices, thanks!
Signed-off-by: Christian Brabandt <cb@256bit.org>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Sun, 10 Dec 2023 15:16:03 +0100 |
parents | 984969b81d63 |
children |
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" Test the ":move" command. source check.vim source screendump.vim func Test_move() enew! call append(0, ['line 1', 'line 2', 'line 3']) g /^$/ delete _ set nomodified move . call assert_equal(['line 1', 'line 2', 'line 3'], getline(1, 3)) call assert_false(&modified) 1,2move 0 call assert_equal(['line 1', 'line 2', 'line 3'], getline(1, 3)) call assert_false(&modified) 1,3move 3 call assert_equal(['line 1', 'line 2', 'line 3'], getline(1, 3)) call assert_false(&modified) 1move 2 call assert_equal(['line 2', 'line 1', 'line 3'], getline(1, 3)) call assert_true(&modified) set nomodified 3move 0 call assert_equal(['line 3', 'line 2', 'line 1'], getline(1, 3)) call assert_true(&modified) set nomodified 2,3move 0 call assert_equal(['line 2', 'line 1', 'line 3'], getline(1, 3)) call assert_true(&modified) set nomodified call assert_fails('1,2move 1', 'E134:') call assert_fails('2,3move 2', 'E134:') call assert_fails("move -100", 'E16:') call assert_fails("move +100", 'E16:') call assert_fails('move', 'E16:') call assert_fails("move 'r", 'E20:') %bwipeout! endfunc func Test_move_undo() CheckRunVimInTerminal let lines =<< trim END call setline(1, ['First', 'Second', 'Third', 'Fourth']) END call writefile(lines, 'Xtest_move_undo.vim', 'D') let buf = RunVimInTerminal('-S Xtest_move_undo.vim', #{rows: 10, cols: 60, statusoff: 2}) call term_sendkeys(buf, "gg:move +1\<CR>") call VerifyScreenDump(buf, 'Test_move_undo_1', {}) " here the display would show the last few lines scrolled down call term_sendkeys(buf, "u") call term_sendkeys(buf, ":\<Esc>") call VerifyScreenDump(buf, 'Test_move_undo_2', {}) call StopVimInTerminal(buf) endfunc " vim: shiftwidth=2 sts=2 expandtab