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Re: garbage input crashes zsh
- X-seq: zsh-workers 23047
- From: Peter Stephenson <pws@xxxxxxx>
- To: zsh-workers@xxxxxxxxxx
- Subject: Re: garbage input crashes zsh
- Date: Wed, 13 Dec 2006 10:44:46 +0000
- In-reply-to: <20061212203204.GF22194@xxxxxxxxxxxxxxxxxxxxx>
- Mailing-list: contact zsh-workers-help@xxxxxxxxxx; run by ezmlm
- References: <20061212203204.GF22194@xxxxxxxxxxxxxxxxxxxxx>
Danek Duvall wrote:
> This is with 4.2.5 on both Solaris and Linux (and I've reproduced with
> 4.3.2 on Linux). Someone at Sun filed this bug; I don't know how much
> y'all care.
Thanks, this is always useful to know.
> zsh -f < test_8
>
> where test_8 is the attached file. I've got a couple more such files, all
> of which leave a core file with the same stack trace, FWIW.
It seems to be OK with the latest version (lots of errors, of course,
but no damage), but I can get the crash with the tip of the 4.2 branch.
It seems to be doing something wayward in (what looks to it like) a
complicated pattern match. If I get a chance I'll try to work out what
fixed it, but it could be complicated since the pattern code has changed
quite a lot owing to adding multibyte support. It's quite possibly a
simple error to do with metafication; a number of those turned up along
the way.
--
Peter Stephenson <pws@xxxxxxx> Software Engineer
CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
Cambridge, CB4 0WZ, UK Tel: +44 (0)1223 692070
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