Re: Crash when capturing command output in completion

[Vin Shelton <acs@alumni.princeton.edu>]

Hey, Bart -

On Thu, Jan 15, 2015 at 4:53 PM, Bart Schaefer
<schaefer@brasslantern.com> wrote:
> On Jan 15,  2:34pm, Vin Shelton wrote:
> }
> } #10 0x00007fa9311a86d6 in zlecore () at zle_main.c:1066
> } #11 0x00007fa9311a9060 in zleread (lp=0x6dbcf0 <prompt>, rp=0x0,
> } flags=3, context=0,
> }     init=0x7fa9311cf14d "zle-line-init", finish=0x7fa9311cf13d
> } "zle-line-finish")
> }     at zle_main.c:1253
>
> So I suspect you're using something like the auto-fu plugin or OhMyZsh,
> because you have recursively entered ZLE from zle-line-init.

I don't know what the auto-fu plugin is.  :-)

I will try not to be offended by your accusing me of using oh-my-zsh,
but I will point out that I am not.  And if I ever visited the site, I
didn't inhale (to misquote former President Clinton).

> We have had other crashes with this configuration, but a stack trace is
> not really helpful because typically there will have been a pointer or
> counter error somewhere down the stack which causes a crash as the
> stack is unwound, so the trace doesn't show the origin of the issue.
> We need a run under valgrind or some similar memory debugger.
>
> Here it looks like something has gone wrong with zlemetaline and/or the
> calculation of where in the line the right-paren of $( ) appears.

That's a very useful observation.  I will see if I can make any
headway on debugging.

  - Vin