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vim-patch:9.1.0065: Segfault with CompleteChanged autocommand (#27261)

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Problem:  Segfault with CompleteChanged autocommand
          (markonm )
Solution: Test match->cp_prev for being NULL before accessing it

closes: vim/vim#13929

fef6630166

Co-authored-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
zeertzjq
2024-01-30 07:34:37 +08:00
committed by GitHub
parent be5cf33836
commit a2070ba877
3 changed files with 39 additions and 6 deletions
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8
src/nvim/insexpand.c
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@@ -2760,9 +2760,11 @@ static int info_add_completion_info(list_T *li)
// Skip the element with the CP_ORIGINAL_TEXT flag at the beginning, in case of
// forward completion, or at the end, in case of backward completion.
match = forward ? match->cp_next
: (compl_no_select && match_at_original_text(match)
? match->cp_prev : match->cp_prev->cp_prev);
match = (forward || match->cp_prev == NULL
? match->cp_next
: (compl_no_select && match_at_original_text(match)
? match->cp_prev
: match->cp_prev->cp_prev));
while (match != NULL && !match_at_original_text(match)) {
dict_T *di = tv_dict_alloc();