Snort mailing list archives
Re: Stream4 and other stuff
From: Martin Roesch <roesch () sourcefire com>
Date: Sun, 01 Jul 2001 23:33:34 -0400
Ok, try again. I reimplemented the packet storage strategy over the weekend and hopefully it's more stable now. Download build 35 and let me know how it goes. -Marty "Mayers, Philip J" wrote:
Command line arguments are: -A fast -b -c /usr/local/etc/snort.conf -e -g snort -u snort -i eth1 'not port (80 or 161) and not net (192.168.0.0/16 or 172.16.17.112/28) and not icmp' It seems to run for a few seconds, and then: +++++++++++++++++++++++++++++++++++++++++++++++++++ Rule application order: ->activation->dynamic->alert->pass->log --== Initialization Complete ==-- -*> Snort! <*- Version 1.8-beta8 (Build 30) By Martin Roesch (roesch () clark net, www.snort.org) WARNING: Data on unestablished session (state: 7)! WARNING: Data on unestablished session (state: 7)! WARNING: Data on unestablished session (state: 9)! Program received signal SIGSEGV, Segmentation fault. DeleteSpd (spd=0x3, log=0) at spp_stream4.c:1584 1584 if(spd->next != NULL) (gdb) bt #0 DeleteSpd (spd=0x3, log=0) at spp_stream4.c:1584 #1 0x80741df in DeleteSpd (spd=0x8322218, log=0) at spp_stream4.c:1586 #2 0x80741df in DeleteSpd (spd=0x8321e30, log=0) at spp_stream4.c:1586 #3 0x8074196 in DropSession (ssn=0x833dad0) at spp_stream4.c:1570 #4 0x80734cd in ReassembleStream4 (p=0xbffff0b0) at spp_stream4.c:892 #5 0x80558e2 in Preprocess (p=0xbffff0b0) at rules.c:3423 #6 0x804b4ef in ProcessPacket (user=0x0, pkthdr=0xbffff560, pkt=0x80d780a "") at snort.c:510 #7 0x8075272 in pcap_read () #8 0x8075c2f in pcap_loop () #9 0x804c87f in InterfaceThread (arg=0x0) at snort.c:1433 #10 0x804b3bf in main (argc=14, argv=0xbffff744) at snort.c:443 #11 0x40157f31 in __libc_start_main (main=0x804ad70 <main>, argc=14, ubp_av=0xbffff744, init=0x804a240 <_init>, fini=0x807f6c0 <_fini>, rtld_fini=0x4000e274 <_dl_fini>, stack_end=0xbffff73c) at ../sysdeps/generic/libc-start.c:129 (gdb) print spd $1 = (StreamPacketData *) 0x3 Urk! Not good... (gdb) up #1 0x80741df in DeleteSpd (spd=0x8322218, log=0) at spp_stream4.c:1586 1586 DeleteSpd(spd->next, log); (gdb) l 1581 if(spd == NULL) 1582 return; 1583 1584 if(spd->next != NULL) 1585 { 1586 DeleteSpd(spd->next, log); 1587 } 1588 1589 /*if(log && (pv.log_bitmap & LOG_TCPDUMP)) 1590 { (gdb) print spd $2 = (StreamPacketData *) 0x8322218 (gdb) print *spd $3 = {next = 0x3, pkt = 0x41 <Address 0x41 out of bounds>, payload = 0x4025e340 "8a%@8a%@(\0362\b\030\"2\bH\0372\bH\0372\bPa%@Pa%@Xa%@Xa%@`a%@`a%@ha%@ha%@pa %@pa%@xa%@xa%@\200a%@\200a%@\210a%@\210a%@\220a%@\220a%@( 2\b( 2\b a%@ a%@?a%@?a%@?a%@?a%@,a%@,a%@Aa%@Aa%@Ea%@Ea%@Da%@Da%@Oa%@Oa%@aa%@aa%@ea%@ea%@? a%@?a%@oa%@oa%@", pkth = {ts = {tv_sec = 137502248, tv_usec = 137616362}, caplen = 993823709, pktlen = 121425}, seq_num = 96, payload_size = 96, pkt_size = 0} I'll keep the gdb session open, in case you want more info... Regards, Phil +----------------------------------+ | Phil Mayers, Network Support | | Centre for Computing Services | | Imperial College | +----------------------------------+
-- Martin Roesch roesch () sourcefire com http://www.sourcefire.com - http://www.snort.org _______________________________________________ Snort-users mailing list Snort-users () lists sourceforge net Go to this URL to change user options or unsubscribe: http://lists.sourceforge.net/lists/listinfo/snort-users Snort-users list archive: http://www.geocrawler.com/redir-sf.php3?list=snort-users
Current thread:
- Re: Stream4 and other stuff Martin Roesch (Jul 01)
- <Possible follow-ups>
- Re: Stream4 and other stuff Victor Barahona (Jul 02)