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| author | f380cedric <f380cedric@users.noreply.github.com> | 2022-01-06 16:59:54 +0100 |
|---|---|---|
| committer | f380cedric <f380cedric@users.noreply.github.com> | 2022-01-06 18:47:31 +0100 |
| commit | c6dddc3464dbaa71e31a779df51ac2f1af977237 (patch) | |
| tree | 48f2eef2a40a5db3b6c1d109ec337758fdddca41 | |
| parent | 09d270bcea5f81a0772e387244cc841e280a5339 (diff) | |
| download | rneovim-c6dddc3464dbaa71e31a779df51ac2f1af977237.tar.gz rneovim-c6dddc3464dbaa71e31a779df51ac2f1af977237.tar.bz2 rneovim-c6dddc3464dbaa71e31a779df51ac2f1af977237.zip | |
vim-patch:8.2.3582: reading uninitialized memory when giving spell suggestions
Problem: Reading uninitialized memory when giving spell suggestions.
Solution: Check that preword is not empty.
https://github.com/vim/vim/commit/15d9890eee53afc61eb0a03b878a19cb5672f732
| -rw-r--r-- | src/nvim/spell.c | 2 | ||||
| -rw-r--r-- | src/nvim/testdir/test_spell.vim | 8 |
2 files changed, 9 insertions, 1 deletions
diff --git a/src/nvim/spell.c b/src/nvim/spell.c index 9429a06e92..1296d410f6 100644 --- a/src/nvim/spell.c +++ b/src/nvim/spell.c @@ -4082,7 +4082,7 @@ static void suggest_trie_walk(suginfo_T *su, langp_T *lp, char_u *fword, bool so // char, e.g., "thes," -> "these". p = fword + sp->ts_fidx; MB_PTR_BACK(fword, p); - if (!spell_iswordp(p, curwin)) { + if (!spell_iswordp(p, curwin) && *preword != NUL) { p = preword + STRLEN(preword); MB_PTR_BACK(preword, p); if (spell_iswordp(p, curwin)) { diff --git a/src/nvim/testdir/test_spell.vim b/src/nvim/testdir/test_spell.vim index cf0faeee31..1ecb5c8070 100644 --- a/src/nvim/testdir/test_spell.vim +++ b/src/nvim/testdir/test_spell.vim @@ -768,6 +768,14 @@ func Test_spell_screendump() call delete('XtestSpell') endfunc +func Test_spell_single_word() + new + silent! norm 0R00 + spell! ß + silent 0norm 0r$ Dvz= + bwipe! +endfunc + let g:test_data_aff1 = [ \"SET ISO8859-1", \"TRY esianrtolcdugmphbyfvkwjkqxz-\xEB\xE9\xE8\xEA\xEF\xEE\xE4\xE0\xE2\xF6\xFC\xFB'ESIANRTOLCDUGMPHBYFVKWJKQXZ", |