Mercurial > vim
changeset 15856:e44b7caaf373 v8.1.0935
patch 8.1.0935: old regexp engine may use invalid buffer
commit https://github.com/vim/vim/commit/8bfd9469cef536f171e6666f9d9217192e09d161
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Feb 16 18:07:57 2019 +0100
patch 8.1.0935: old regexp engine may use invalid buffer
Problem: Old regexp engine may use invalid buffer for 'iskeyword' or
uninitialized buffer pointer. (Kuang-che Wu)
Solution: Set rex.reg_buf when compiling the pattern. (closes #3972)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sat, 16 Feb 2019 18:15:05 +0100 |
| parents | defb99439bca |
| children | d06d39fecfea |
| files | src/regexp.c src/testdir/test_regexp_latin.vim src/version.c |
| diffstat | 3 files changed, 20 insertions(+), 0 deletions(-) [+] |
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--- a/src/regexp.c +++ b/src/regexp.c @@ -7998,6 +7998,8 @@ vim_regcomp(char_u *expr_arg, int re_fla bt_regengine.expr = expr; nfa_regengine.expr = expr; #endif + // reg_iswordc() uses rex.reg_buf + rex.reg_buf = curbuf; /* * First try the NFA engine, unless backtracking was requested.
--- a/src/testdir/test_regexp_latin.vim +++ b/src/testdir/test_regexp_latin.vim @@ -104,3 +104,19 @@ func Test_get_equi_class() s/^/[[= call assert_equal(1, search(getline(1))) endfunc + +func Test_rex_init() + set noincsearch + set re=1 + new + setlocal iskeyword=a-z + call setline(1, ['abc', 'ABC']) + call assert_equal(1, search('[[:keyword:]]')) + new + setlocal iskeyword=A-Z + call setline(1, ['abc', 'ABC']) + call assert_equal(2, search('[[:keyword:]]')) + bwipe! + bwipe! + set re=0 +endfunc