Patch 8.2.4632

[Bram Moolenaar]

Patch 8.2.4632
Problem: Using freed memory in flatten().
Solution: Clear typval after recursing into list.
Files: src/list.c


*** ../vim-8.2.4631/src/list.c 2022-03-26 10:50:06.546446647 +0000
--- src/list.c 2022-03-26 16:40:30.111648101 +0000
***************
*** 953,964 ****
list_free_item(list, item);
return;
}
- clear_tv(&item->li_tv);

if (maxdepth > 0)
list_flatten(list, item->li_prev == NULL
? list->lv_first : item->li_prev->li_next,
itemlist->lv_len, maxdepth - 1);
list_free_item(list, item);
}

--- 953,964 ----
list_free_item(list, item);
return;
}

if (maxdepth > 0)
list_flatten(list, item->li_prev == NULL
? list->lv_first : item->li_prev->li_next,
itemlist->lv_len, maxdepth - 1);
+ clear_tv(&item->li_tv);
list_free_item(list, item);
}

*** ../vim-8.2.4631/src/version.c 2022-03-26 16:28:01.943874159 +0000
--- src/version.c 2022-03-26 16:41:40.187590018 +0000
***************
*** 752,753 ****
--- 752,755 ----
{ /* Add new patch number below this line */
+ /**/
+ 4632,
/**/

--
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/// Bram Moolenaar -- Br...@Moolenaar.net -- http://www.Moolenaar.net \\\
/// \\\
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