Mercurial > vim
changeset 35381:063d0ddf5e77 v9.1.0478
patch 9.1.0478: potential deref of NULL pointer in fuzzy_match_str_with_pos
Commit: https://github.com/vim/vim/commit/7c57940e3bd883cebb1d73d4b4effa9220d4c4c8
Author: glepnir <glephunter@gmail.com>
Date: Wed Jun 12 20:31:13 2024 +0200
patch 9.1.0478: potential deref of NULL pointer in fuzzy_match_str_with_pos
Problem: potential deref of NULL pointer in fuzzy_match_str_with_pos()
on cleanup (after v9.1.0476)
Solution: Only free the pointer if it is non-NULL (glepnir)
closes: #14973
Signed-off-by: glepnir <glephunter@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Wed, 12 Jun 2024 20:45:06 +0200 |
parents | fd2ef001b842 |
children | c6d994d8f22a |
files | src/search.c src/version.c |
diffstat | 2 files changed, 12 insertions(+), 5 deletions(-) [+] |
line wrap: on
line diff
--- a/src/search.c +++ b/src/search.c @@ -5198,11 +5198,16 @@ fuzzy_match_str_with_pos(char_u *str UNU cleanup: vim_free(tv_str.vval.v_string); - list_free(match_str_list); - list_free(match_pos_list); - list_free(match_score_list); - list_free(retlist); - list_free(l); + if (match_str_list != NULL) + list_free(match_str_list); + if (match_pos_list != NULL) + list_free(match_pos_list); + if (match_score_list != NULL) + list_free(match_score_list); + if (retlist != NULL) + list_free(retlist); + if (l != NULL) + list_free(l); ga_clear(match_positions); return NULL; #else