Mercurial > vim
changeset 32196:d6771e63521c v9.0.1429
patch 9.0.1429: invalid memory access when ending insert mode
Commit: https://github.com/vim/vim/commit/1a08a3e2a584889f19b84a27672134649b73da58
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Mar 26 21:27:24 2023 +0100
patch 9.0.1429: invalid memory access when ending insert mode
Problem: Invalid memory access when ending insert mode.
Solution: Check if the insert_skip value is valid.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sun, 26 Mar 2023 22:30:04 +0200 |
| parents | 4bdd2f85a64f |
| children | 7ec34e814188 |
| files | src/edit.c src/version.c |
| diffstat | 2 files changed, 5 insertions(+), 3 deletions(-) [+] |
line wrap: on
line diff
--- a/src/edit.c +++ b/src/edit.c @@ -2438,12 +2438,12 @@ stop_insert( * otherwise CTRL-O w and then <Left> will clear "last_insert". */ ptr = get_inserted(); - if (did_restart_edit == 0 || (ptr != NULL - && (int)STRLEN(ptr) > new_insert_skip)) + int added = ptr == NULL ? 0 : (int)STRLEN(ptr) - new_insert_skip; + if (did_restart_edit == 0 || added > 0) { vim_free(last_insert); last_insert = ptr; - last_insert_skip = new_insert_skip; + last_insert_skip = added < 0 ? 0 : new_insert_skip; } else vim_free(ptr);