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To: ge R bekk <aagero@aage.aage.priv.no>
cc: freebsd-bugs@freebsd.org
Subject: Re: host segfaults on empty host statement 
In-reply-to: Your message of "Mon, 15 Jan 1996 21:22:08 +0100."
             <199601152022.VAA06249@birk04.studby.uio.no> 
Date: Mon, 15 Jan 1996 18:09:25 -0800
Message-ID: <5576.821758165@time.cdrom.com>
From: "Jordan K. Hubbard" <jkh@time.cdrom.com>
Sender: owner-bugs@freebsd.org
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Thanks, fixed!

					Jordan
> 
> $ /usr/bin/host -t hinfo
> Segmentation fault (core dumped)
> 
> The problem is that the argument after hinfo is not checked for a NULL
> pointer. In line 220 of host.c, strcmp(v[1], ".") fails due to
> dereferencing the NULL pointer v[1]. v[1] is the argument that follows
> the type query. I also checked host.c in 4.9.3-REL and the problem is
> still present there.
> 
> -aage