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vim-patch:9.1.1491: missing out-of-memory checks in cmdexpand.c

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Problem:  missing out-of-memory checks in cmdexpand.c
Solution: add out-of-memory checks for expand_files_and_dirs(),
          ExpandUserDefined() and ExpandUserList()
          (John Marriott)

closes: vim/vim#17570

3b03b435a2

Co-authored-by: John Marriott <basilisk@internode.on.net>
This commit is contained in:
Jan Edmund Lazo
2025-12-24 00:50:29 -05:00
parent 9cc93b6def
commit ee717447dd
1 changed files with 6 additions and 3 deletions
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9
src/nvim/cmdexpand.c
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@@ -3472,12 +3472,14 @@ static int ExpandUserDefined(const char *const pat, expand_T *xp, regmatch_T *re
*e = keep;
if (match) {
char *p = xmemdupz(s, (size_t)(e - s));
if (!fuzzy) {
GA_APPEND(char *, &ga, xmemdupz(s, (size_t)(e - s)));
GA_APPEND(char *, &ga, p);
} else {
GA_APPEND(fuzmatch_str_T, &ga, ((fuzmatch_str_T){
.idx = ga.ga_len,
.str = xmemdupz(s, (size_t)(e - s)),
.str = p,
.score = score,
}));
}
@@ -3521,8 +3523,9 @@ static int ExpandUserList(expand_T *xp, char ***matches, int *numMatches)
|| TV_LIST_ITEM_TV(li)->vval.v_string == NULL) {
continue; // Skip non-string items and empty strings.
}
char *p = xstrdup(TV_LIST_ITEM_TV(li)->vval.v_string);
GA_APPEND(char *, &ga, xstrdup(TV_LIST_ITEM_TV(li)->vval.v_string));
GA_APPEND(char *, &ga, p);
});
tv_list_unref(retlist);