From e275ba4fc994474155fbafe8b87a6d3b477456ba Mon Sep 17 00:00:00 2001 From: Bram Moolenaar Date: Wed, 6 Oct 2021 13:41:07 +0100 Subject: patch 8.2.3484: crash when going through spell suggestions Problem: Crash when going through spell suggestions. Solution: Limit the text length for finding suggestions to the original length. Do not update buffers when exiting. (closes #8965) --- src/clipboard.c | 3 ++- src/spellsuggest.c | 5 +++++ src/testdir/test_spell_utf8.vim | 16 ++++++++++++++++ src/version.c | 2 ++ 4 files changed, 25 insertions(+), 1 deletion(-) diff --git a/src/clipboard.c b/src/clipboard.c index b1da99bcb..c0c21aeb6 100644 --- a/src/clipboard.c +++ b/src/clipboard.c @@ -199,7 +199,8 @@ clip_lose_selection(Clipboard_T *cbd) || get_real_state() == SELECTMODE) && (cbd == &clip_star ? clip_isautosel_star() : clip_isautosel_plus()) - && HL_ATTR(HLF_V) != HL_ATTR(HLF_VNC)) + && HL_ATTR(HLF_V) != HL_ATTR(HLF_VNC) + && !exiting) { update_curbuf(INVERTED_ALL); setcursor(); diff --git a/src/spellsuggest.c b/src/spellsuggest.c index 2951eea2e..a6dbc78a4 100644 --- a/src/spellsuggest.c +++ b/src/spellsuggest.c @@ -1178,6 +1178,11 @@ suggest_try_change(suginfo_T *su) p = su->su_badptr + su->su_badlen; (void)spell_casefold(curwin, p, (int)STRLEN(p), fword + n, MAXWLEN - n); + // Make sure the resulting text is not longer than the original text. + n = (int)STRLEN(su->su_badptr); + if (n < MAXWLEN) + fword[n] = NUL; + for (lpi = 0; lpi < curwin->w_s->b_langp.ga_len; ++lpi) { lp = LANGP_ENTRY(curwin->w_s->b_langp, lpi); diff --git a/src/testdir/test_spell_utf8.vim b/src/testdir/test_spell_utf8.vim index 1f561e46a..79dc3e4a4 100644 --- a/src/testdir/test_spell_utf8.vim +++ b/src/testdir/test_spell_utf8.vim @@ -765,4 +765,20 @@ func Test_spellfile_value() set spellfile=Xdir/Xtest.utf-8.add,Xtest_other.add endfunc +func Test_no_crash_with_weird_text() + new + let lines =<< trim END + r + € + + + € + END + call setline(1, lines) + exe "%norm \ez=>\wzG" + + bwipe! +endfunc + + " vim: shiftwidth=2 sts=2 expandtab diff --git a/src/version.c b/src/version.c index 03b7022ad..62c7f8f11 100644 --- a/src/version.c +++ b/src/version.c @@ -757,6 +757,8 @@ static char *(features[]) = static int included_patches[] = { /* Add new patch number below this line */ +/**/ + 3484, /**/ 3483, /**/ -- cgit v1.2.1