Date: Sat, 18 Mar 2000 01:19:57 +0900 From: "Daniel C. Sobral" <dcs@newsguy.com> To: sobomax@mail.ru Cc: current@FreeBSD.ORG, stable@FreeBSD.ORG Subject: Re: gcc -Os optimisation broken (RELENG_4) Message-ID: <38D25B2D.B442D523@newsguy.com> References: <38CF48CF.59A100D7@altavista.net>
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Maxim Sobolev wrote:
>
> I've just upgraded my production server to the 4.0-RELEASE and found that
> squid23 when compiled with -Os option dying with signal 11 on each attempt to
> load page. When I recompiled it with -O fault disappeared. After some digging
> into the sources with gdb I found that fault came from dereferencing NULL
> pointer somewhere in the DNS query procedures. I've tracked the source of this
> pointer and found that the function rfc1035QuestionPack (rfc1035.c) called from
> rfc1035BuildAQuery receives NULL pointer instead of the supplied hostname as a
> 3rd argument. Following is two debugging sessions with squid compiled with -Os
> and -O (faulty call is in the end of the output):
Well... where is "name" being set? That would help.
--
Daniel C. Sobral (8-DCS)
dcs@newsguy.com
dcs@freebsd.org
One Unix to rule them all, One Resolver to find them,
One IP to bring them all and in the zone bind them.
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