73 lines
2.1 KiB
Diff
73 lines
2.1 KiB
Diff
From e275ba4fc994474155fbafe8b87a6d3b477456ba Mon Sep 17 00:00:00 2001
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From: Bram Moolenaar <Bram@vim.org>
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Date: Wed, 6 Oct 2021 13:41:07 +0100
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Subject: [PATCH] patch 8.2.3484: crash when going through spell suggestions
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Problem: Crash when going through spell suggestions.
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Solution: Limit the text length for finding suggestions to the original
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length. Do not update buffers when exiting. (closes #8965)
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---
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src/spellsuggest.c | 5 +++++
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src/testdir/test_spell_utf8.vim | 16 ++++++++++++++++
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src/ui.c | 3 ++-
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3 files changed, 23 insertions(+), 1 deletion(-)
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diff --git a/src/spellsuggest.c b/src/spellsuggest.c
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index 0171a5b..0f833f5 100644
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--- a/src/spellsuggest.c
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+++ b/src/spellsuggest.c
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@@ -1169,6 +1169,11 @@ suggest_try_change(suginfo_T *su)
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p = su->su_badptr + su->su_badlen;
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(void)spell_casefold(p, (int)STRLEN(p), fword + n, MAXWLEN - n);
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+ // Make sure the resulting text is not longer than the original text.
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+ n = (int)STRLEN(su->su_badptr);
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+ if (n < MAXWLEN)
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+ fword[n] = NUL;
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+
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for (lpi = 0; lpi < curwin->w_s->b_langp.ga_len; ++lpi)
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{
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lp = LANGP_ENTRY(curwin->w_s->b_langp, lpi);
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diff --git a/src/testdir/test_spell_utf8.vim b/src/testdir/test_spell_utf8.vim
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index 1f561e4..79dc3e4 100644
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--- a/src/testdir/test_spell_utf8.vim
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+++ b/src/testdir/test_spell_utf8.vim
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@@ -765,4 +765,20 @@ func Test_spellfile_value()
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set spellfile=Xdir/Xtest.utf-8.add,Xtest_other.add
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endfunc
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+func Test_no_crash_with_weird_text()
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+ new
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+ let lines =<< trim END
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+ r<sfile>
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+
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+
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+
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+
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+ END
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+ call setline(1, lines)
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+ exe "%norm \<C-v>ez=>\<C-v>wzG"
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+
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+ bwipe!
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+endfunc
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+
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+
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" vim: shiftwidth=2 sts=2 expandtab
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diff --git a/src/ui.c b/src/ui.c
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index 7ec1e56..8d6f681 100644
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--- a/src/ui.c
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+++ b/src/ui.c
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@@ -868,7 +868,8 @@ clip_lose_selection(Clipboard_T *cbd)
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|| get_real_state() == SELECTMODE)
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&& (cbd == &clip_star ?
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clip_isautosel_star() : clip_isautosel_plus())
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- && HL_ATTR(HLF_V) != HL_ATTR(HLF_VNC))
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+ && HL_ATTR(HLF_V) != HL_ATTR(HLF_VNC)
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+ && !exiting)
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{
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update_curbuf(INVERTED_ALL);
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setcursor();
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--
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1.8.3.1
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