Mercurial > vim
comparison src/testdir/test_cmdline.vim @ 28741:b44f15083faf v8.2.4895
patch 8.2.4895: buffer overflow with invalid command with composing chars
Commit: https://github.com/vim/vim/commit/d88934406c5375d88f8f1b65331c9f0cab68cc6c
Author: Bram Moolenaar <Bram@vim.org>
Date: Fri May 6 20:38:47 2022 +0100
patch 8.2.4895: buffer overflow with invalid command with composing chars
Problem: Buffer overflow with invalid command with composing chars.
Solution: Check that the whole character fits in the buffer.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Fri, 06 May 2022 21:45:02 +0200 |
| parents | 80085afc2f4d |
| children | 4a9fdf708575 |
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| 28740:da9f84bdc1c8 | 28741:b44f15083faf |
|---|---|
| 3351 bw! | 3351 bw! |
| 3352 call delete('Xa1b2c3.vim') | 3352 call delete('Xa1b2c3.vim') |
| 3353 set wildmenu& | 3353 set wildmenu& |
| 3354 endfunc | 3354 endfunc |
| 3355 | 3355 |
| 3356 " this was going over the end of IObuff | |
| 3357 func Test_report_error_with_composing() | |
| 3358 let caught = 'no' | |
| 3359 try | |
| 3360 exe repeat('0', 987) .. "0\xdd\x80\xdd\x80\xdd\x80\xdd\x80" | |
| 3361 catch /E492:/ | |
| 3362 let caught = 'yes' | |
| 3363 endtry | |
| 3364 call assert_equal('yes', caught) | |
| 3365 endfunc | |
| 3366 | |
| 3356 " Test for expanding 2-letter and 3-letter :substitute command arguments. | 3367 " Test for expanding 2-letter and 3-letter :substitute command arguments. |
| 3357 " These commands don't accept an argument. | 3368 " These commands don't accept an argument. |
| 3358 func Test_cmdline_complete_substitute_short() | 3369 func Test_cmdline_complete_substitute_short() |
| 3359 for cmd in ['sc', 'sce', 'scg', 'sci', 'scI', 'scn', 'scp', 'scl', | 3370 for cmd in ['sc', 'sce', 'scg', 'sci', 'scI', 'scn', 'scp', 'scl', |
| 3360 \ 'sgc', 'sge', 'sg', 'sgi', 'sgI', 'sgn', 'sgp', 'sgl', 'sgr', | 3371 \ 'sgc', 'sge', 'sg', 'sgi', 'sgI', 'sgn', 'sgp', 'sgl', 'sgr', |