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vim-patch:8.2.0937: asan failure in the flatten() test

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Problem:    Asan failure in the flatten() test.
Solution:   Free the flattened list.
dcf59c37d0
This commit is contained in:
Cédric Barreteau
2020-06-30 18:45:58 +02:00
parent 6420615e3f
commit fd57d69970
1 changed files with 4 additions and 0 deletions
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4
src/nvim/eval/typval.c
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@@ -651,6 +651,7 @@ int tv_list_flatten(list_T *list, long maxdepth)
FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_WARN_UNUSED_RESULT
{ {
listitem_T *item; listitem_T *item;
listitem_T *to_free;
int n; int n;
if (maxdepth == 0) { if (maxdepth == 0) {
return OK; return OK;
@@ -668,12 +669,15 @@ int tv_list_flatten(list_T *list, long maxdepth)
tv_list_drop_items(list, item, item); tv_list_drop_items(list, item, item);
tv_list_extend(list, item->li_tv.vval.v_list, next); tv_list_extend(list, item->li_tv.vval.v_list, next);
tv_clear(&item->li_tv);
to_free = item;
if (item->li_prev == NULL) { if (item->li_prev == NULL) {
item = list->lv_first; item = list->lv_first;
} else { } else {
item = item->li_prev->li_next; item = item->li_prev->li_next;
} }
xfree(to_free);
if (++n >= maxdepth) { if (++n >= maxdepth) {
n = 0; n = 0;