From: Peter Stephenson <p.stephenson@samsung.com>
To: Maxime de Roucy <maxime.deroucy@gmail.com>, zsh-workers@zsh.org
Subject: Re: [PATCH] Fix complist menuselect segmentation fault
Date: Mon, 03 Jul 2017 15:25:20 +0100 [thread overview]
Message-ID: <20170703152520.73b1e002@pwslap01u.europe.root.pri> (raw)
In-Reply-To: <20170702145820.14588-1-maxime.deroucy@gmail.com>
On Sun, 2 Jul 2017 16:58:20 +0200
Maxime de Roucy <maxime.deroucy@gmail.com> wrote:
> Without this patch :
>
> I use :
>
> zstyle ':completion:*:hosts' menu yes=long yes=20 select search
>
> Imagine I have 2 hosts : "ab" and "bb"
>
> When I try to use the completion menu ("isearch") and type "aa" the shell
> crash (segmentation fault).
>
> The first "a" match only host "ab", so when a type the second "a", mcol
> and mline == 0.
>
> The first time the code enter "if (x == ex && y == ey)", it leave the if
> with x = y = ex = ey = 0.
> Then "++x" (line 2331) increment x, and x and y can't match ex and ey
> anymore since they can only increase.
> → segmentation fault
Thanks --- the existing code here is obscure enough I think I'm just
going to apply your patch and see if anyone notices side effects. It
looks like they'd have to be pretty subtle --- I'm guessing that
problem has been there a very long time.
pws
next prev parent reply other threads:[~2017-07-03 14:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20170702150008epcas3p3213f071ddf0b458c37812d0cb3ee03aa@epcas3p3.samsung.com>
2017-07-02 14:58 ` Maxime de Roucy
2017-07-03 14:25 ` Peter Stephenson [this message]
2017-07-04 9:14 ` Sebastian Gniazdowski
2017-07-04 11:40 ` Maxime de Roucy
2017-07-04 12:24 ` Sebastian Gniazdowski
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