Hirohito Higashi wrote:

> Hi Bram and Vim developers,
> 
> I received a bug report from Hideto Kihara on vim-jp.
> 
> Vim 7.4.250 on Fedora19 (64bit)
> 
> [Pattern #1]
> How to reproduce.
>   $ vim -N -u NONE
>   :autocmd BufAdd x bwipeout! | call setline(1, repeat([repeat('x', 1000)], 
> 10000))
>   :edit x
> 
> Expected behavior
>   Display an unnamed buffer that was filled with x.
> 
> Actual behavior
>   SEGV
> 
> Solution
> - I adds buffer validation check after apply_autocmds() in buflist_new().
>   Like below:
>     if (!buf_valid(buf))
>         return NULL;
> 
> - When deleting the buffer in autocmd_busy is TRUE, Pending vim_free(buf) and
>   remember buf.  I do free when autocmd_busy became FALSE.
>   Prevent erroneous judgment of 'buf_valid(buf)', When being reused buf
>   address in autocommand.
>   (It's rare case. But a thing that happens.)
> 
> 
> ------------
> [Pattern #2]
> How to reproduce.
>   $ vim -N -u NONE
>   :autocmd BufAdd z bwipeout! | edit w
>   :edit x
>   :new y
>   :edit z
> 
> Expected behavior
>   Display an new buffer z.
>   And listed buffer is z, x and w. (x is alternate buffer)
> 
> Actual behavior
>   SEGV
> 
> Solution
> - I update oldwin and old_curbuf after buflist_new() in do_ecmd().
> 
> 
> I attached a patch.
> Please check this.
> 
> Thanks for reading my crazy English.

Thanks for the patch.  Looks like a good solution, I'll include it.

-- 
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 /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net   \\\
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