Ozaki Kiichi wrote:
> There is a bug to try to release a variable on stack area.
>
> [repro steps]
>
> test.vim:
> ----
> let s:handle = ch_open('localhost:8765')
> call ch_sendexpr(s:handle, 'hello!')
> ----
>
> 1. run server "python runtime/tools/demoserver.py"
>
> 2. vim -Nu NONE -S test.vim
>
> 3. input '["call", "function", ["tr"], -1]' to demoserver stdin.
>
> then vim aborts.
>
> ----
> Vim: Caught deadly signal ABRT
> Vim: Finished.
> ----
>
> [detail]
>
> when "tv = &res_tv;",
> https://github.com/vim/vim/blob/d77f9d5/src/channel.c#L2161
>
> free_tv(tv) tries to release "res_tv", so vim aborts.
> https://github.com/vim/vim/blob/d77f9d5/src/channel.c#L2177
>
> [patch]
>
> https://gist.github.com/ichizok/e69e1745cece199b0608523998c9a0b7
Thanks!
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