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vim-patch:8.2.3884: crash when clearing the argument list while using it

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Problem:    Crash when clearing the argument list while using it.
Solution:   Lock the argument list for ":all".
6f98371532
This commit is contained in:
zeertzjq 2022-10-05 21:27:58 +08:00
parent a66b12378b
commit dcdb7dca6a
2 changed files with 11 additions and 0 deletions
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4
src/nvim/arglist.c
View File

@ -818,6 +818,7 @@ static void do_arg_all(int count, int forceit, int keep_tabs)
tabpage_T *old_curtab, *last_curtab;
win_T *new_curwin = NULL;
tabpage_T *new_curtab = NULL;
bool prev_arglist_locked = arglist_locked;
assert(firstwin != NULL); // satisfy coverity
@ -839,6 +840,7 @@ static void do_arg_all(int count, int forceit, int keep_tabs)
// watch out for its size to be changed.
alist = curwin->w_alist;
alist->al_refcount++;
arglist_locked = true;
old_curwin = curwin;
old_curtab = curtab;
@ -1034,8 +1036,10 @@ static void do_arg_all(int count, int forceit, int keep_tabs)
// Remove the "lock" on the argument list.
alist_unlink(alist);
arglist_locked = prev_arglist_locked;
autocmd_no_enter--;
// restore last referenced tabpage's curwin
if (last_curtab != new_curtab) {
if (valid_tabpage(last_curtab)) {

7
src/nvim/testdir/test_arglist.vim
View File

@ -607,4 +607,11 @@ func Test_all_not_allowed_from_cmdwin()
au! BufEnter
endfunc
func Test_clear_arglist_in_all()
n 0 00 000 0000 00000 000000
au! * 0 n 0
all
au! *
endfunc
" vim: shiftwidth=2 sts=2 expandtab