Ozaki Kiichi wrote:
> When giving list (or dict, some objects managed lifetime by copyID) to
> partial to timer_start() 2nd argument, SEGV (or ABRT) may occur at timer
> fires.
>
> [repro steps]
>
> test.vim:
>
> ```
> function Callback(lists, timer)
> echo a:lists
> endfunction
> call timer_start(500, function('Callback', [['a']]))
> call garbagecollect()
> ```
>
> vim -Nu NONE -S test.vim
>
> and vim finishes by SEGV or ABRT.
>
>
> [cause]
>
> The copyID of the object held by timer.tr_partial (['a'] of above)
> isn't be updated during GC process, so GC releases it and it becomes
> dangling pointer.
>
>
> [patch]
>
> Add set_ref_in_timer() function:
>
> https://gist.github.com/ichizok/b41ac7f68c3364a38bb07479bc9c7a49
Thanks!
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