Date: Fri, 20 Dec 2002 16:09:06 -0800 From: "Patrick Soltani" <psoltani@ultradns.com> To: "Robert Watson" <rwatson@FreeBSD.ORG>, "Ian Dowse" <iedowse@maths.tcd.ie> Cc: "Luigi Rizzo" <luigi@FreeBSD.ORG>, "Alexander Langer" <alex@big.endian.de>, <freebsd-hackers@FreeBSD.ORG> Subject: RE: panic: icmp_error: bad length Message-ID: <3DBB075EEB95944492E127F2B9A96FAF5DDDDC@ultra-exchange.ultradns.com>
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Hello All,
I wonder if any patch has been produced/committed for this problem?
Best Regards,
Patrick Soltani.
>-----Original Message-----
>From: Robert Watson [mailto:rwatson@FreeBSD.ORG]
>Sent: Wednesday, December 11, 2002 7:19 PM
>To: Ian Dowse
>Cc: Luigi Rizzo; Alexander Langer; Patrick Soltani;
>freebsd-hackers@FreeBSD.ORG
>Subject: Re: panic: icmp_error: bad length
>
>
>
>BTW, if this bug exists in 5.0 for the same reasons (or even different
>ones), we should try to generate a fix ASAP and get it committed.
>
>Robert N M Watson FreeBSD Core Team, TrustedBSD Projects
>robert@fledge.watson.org Network Associates Laboratories
>
>On Thu, 12 Dec 2002, Ian Dowse wrote:
>
>> In message <20021211170227.A79864@xorpc.icir.org>, Luigi
>Rizzo writes:
>> >the diagnosis looks reasonable, though i do not remember changing
>> >anything related to this between 4.6 and 4.7 so i wonder why the
>> >error did not appear in earlier versions of the code.
>>
>> Yes strange - actually, it looks like the "THERE IS NO FUNCTIONAL
>> OR EXTERNAL API CHANGE IN THIS COMMIT" commit may be to blame :-)
>> Some fragments below.
>>
>> Ian
>>
>> bridge.c 1.16.2.2:
>> +#ifdef PFIL_HOOKS
>> ...
>> - * before calling the firewall, swap fields the same
>as IP does.
>> - * here we assume the pkt is an IP one and the
>header is contiguous
>> ...
>> - ip = mtod(m0, struct ip *);
>> - NTOHS(ip->ip_len);
>> - NTOHS(ip->ip_off);
>>
>> ip_fw.c 1.131.2.34:
>> - if (0 && BRIDGED) { /* not yet... */
>> - offset = (ntohs(ip->ip_off) & IP_OFFMASK);
>> + if (BRIDGED) { /* bridged packets are as on the wire */
>> + ip_off = ntohs(ip->ip_off);
>> ip_len = ntohs(ip->ip_len);
>> } else {
>>
>>
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