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patch 8.2.1095: may use pointer after freeing it

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Problem:    May use pointer after freeing it when text properties are used.
Solution:   Update redo buffer before calling ml_replace().
This commit is contained in:
Bram Moolenaar
2020-06-29 23:18:42 +02:00
parent a53618dd1d
commit 6b949615ed
2 changed files with 6 additions and 3 deletions
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7
src/spellsuggest.c
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@@ -676,8 +676,6 @@ spell_suggest(int count)
mch_memmove(p, line, c);
STRCPY(p + c, stp->st_word);
STRCAT(p, sug.su_badptr + stp->st_orglen);
ml_replace(curwin->w_cursor.lnum, p, FALSE);
curwin->w_cursor.col = c;
// For redo we use a change-word command.
ResetRedobuff();
@@ -686,7 +684,10 @@ spell_suggest(int count)
stp->st_wordlen + sug.su_badlen - stp->st_orglen);
AppendCharToRedobuff(ESC);
// After this "p" may be invalid.
// "p" may be freed here
ml_replace(curwin->w_cursor.lnum, p, FALSE);
curwin->w_cursor.col = c;
changed_bytes(curwin->w_cursor.lnum, c);
}
}

2
src/version.c
View File

@@ -754,6 +754,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1095,
/**/
1094,
/**/