Yegappan wrote:

> > > The following calls crash Vim (with ASAN enabled):
> > >
> > >   call append(1, test_null_list())
> > >   call appendbufline(1, 1, test_null_list())
> > >   call setline(1, test_null_list())
> > >   call setbufline(1, 1, test_null_list())
> > >
> > > The set_buffer_lines() function doesn't validate the 'lines' parameter
> > > before de-referencing it.
> >
> > Good find.  It should behave like an empty list.  Can you fix that?
>
> I have updated the PR https://github.com/vim/vim/pull/5963 with a fix for
> this.

Thanks!

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