segfault at 000000000311c000 rip 000000000040fb46rsp 0000007fbffff830 error 4

[Carter Bullard]

Hey Gunnar,
Any new update on your problem?
Carter

On May 30, 2009, at 6:37 AM, Gunnar Lindberg wrote:

> Great, thanks. First thing monday.
>
> Then, it's quite infrequent. Less than once a week by now. Which is
> partly why my 0.0c is for strange packet data (I do part time IRT
> work and expect packets with every illegal combination of flag bits).
>
> I have another idea to possibly catch the current/last packet, if
> we encounter similar crashes again (most/all packets will pass via
> ArgusGetPackets() so that should hold at most times). My plan is
> to move these declarations to the beginning of ArgusGetPackets(),
> i.e. have gdb be able to print the last packet data. Of course the
> buffer could also be damaged, but maybe enough is left to deduce
> what it was.
>
> Is there any reason not to do this (there seems to be two occurences
> of these and I wll simply comment them both)?
>
>   2126 /* libpcap workaround */
>   2127                      struct pcap_pkthdr *header;
>   2128                      const u_char *pkt_data;
>
> 	Gunnar Lindberg
>
>> From carter at qosient.com  Fri May 29 17:03:44 2009
>> Cc: argus-info at lists.andrew.cmu.edu
>> Message-Id: <40529AC8-3FFC-456A-892F-F9184A488D85 at qosient.com>
>> From: Carter Bullard <carter at qosient.com>
>> To: Gunnar Lindberg <Gunnar.Lindberg at chalmers.se>
>> In-Reply-To: <200905291313.n4TDDIsO007386 at grunert.cdg.chalmers.se>
>> Subject: Re: [ARGUS] segfault at 000000000311c000 rip  
>> 000000000040fb46rsp	0000007fbffff830 error 4
>> Date: Fri, 29 May 2009 11:03:28 -0400
>> References: <200905291313.n4TDDIsO007386 at grunert.cdg.chalmers.se>
>
>> Hey Gunnar,
>> Your problems are so fundamental, crash here, there, everywhere,
>> all with memory corruption, that it seems clear that you do not
>> have a standard problem (how could anyone use this software
>> with these kinds of issues).  Some 64-bit machines do weird things,
>> so..........
>
>> Apply this patch and completely rebuild the argus distribution:
>
>> *** argus_out.h	Wed Feb 25 01:22:20 2009
>> --- argus_out.h.new	Fri May 29 11:00:31 2009
>> ***************
>> *** 47,60 ****
>> ...
>

Carter Bullard
CEO/President
QoSient, LLC
150 E 57th Street Suite 12D
New York, New York  10022

+1 212 588-9133 Phone
+1 212 588-9134 Fax



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