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vim-patch:8.2.3915: illegal memory access when completing with invalid bytes (#27491)

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Problem:    illegal memory access when completing with invalid bytes.
Solution:   Avoid going over the end of the completion text.

vim/vim@4b28ba3

Co-authored-by: Bram Moolenaar <Bram@vim.org>
This commit is contained in:
Raphael
2024-03-09 19:21:31 +08:00
committed by GitHub
parent 9eda2f2495
commit 0e28493914
2 changed files with 19 additions and 1 deletions
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7
src/nvim/insexpand.c
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@@ -3557,7 +3557,12 @@ void ins_compl_delete(void)
/// "in_compl_func" is true when called from complete_check().
void ins_compl_insert(bool in_compl_func)
{
ins_bytes(compl_shown_match->cp_str + get_compl_len());
int compl_len = get_compl_len();
// Make sure we don't go over the end of the string, this can happen with
// illegal bytes.
if (compl_len < (int)strlen(compl_shown_match->cp_str)) {
ins_bytes(compl_shown_match->cp_str + compl_len);
}
compl_used_match = !match_at_original_text(compl_shown_match);
dict_T *dict = ins_compl_dict_alloc(compl_shown_match);