[Serusers] ser crashes

Jan Janak J.Janak at sh.cvut.cz
Wed Feb 5 13:25:12 CET 2003


Hello,

could you, please, generate a core dump ? Use ulimit -c 1000000 to
enable core generation and reproduce the crash. Then compress the
compiled sources along with the core dump and send it to me.
 
  thanks, Jan.

On 05-02 12:13, Klaus Darilion wrote:
> Hello!
> 
> During playing around with route headers I discovered that ser crashes
> reproduceable when I send the following request to it with sipsak, I
> think the invite is a valid request with strict routing.
> 
> sipsak.exe -f invite3.txt -s sip:obelix.ict.tuwien.ac.at -vvv
> 
> invite3.txt:
> INVITE sip:obelix.ict.tuwien.ac.at SIP/2.0
> Via: SIP/2.0/UDP 128.131.80.191:5070;branch=z9hG4bK2024693217
> Route: <sip:iptel.org>
> Route: <sip:klaus3000 at klausix.ict.tuwien.ac.at>
> From: <sip:brutus at obelix.ict.tuwien.ac.at>;tag=262992618
> To: <sip:klaus3000 at iptel.org>
> Call-ID: 744056460 at 128.131.80.191
> CSeq: 20 INVITE
> Contact: <sip:brutus at 128.131.80.191:5070>
> max-forwards: 10
> user-agent: oSIP/Linphone-0.9.1
> Content-Type: application/sdp
> Content-Length: 335  
> 
> ..
> sdp
> ..
> 
> 
> then ser stops to respond:
> 
> >[root at obelix darilion]# /etc/init.d/ser status
> >ser dead but subsys locked
> 
> and in /var/log/messages
> Feb  5 11:57:21 obelix ser: Listening on 
> Feb  5 11:57:21 obelix ser:               128.131.80.136
> [128.131.80.136]::5060
> Feb  5 11:57:21 obelix ser: Aliases: obelix.ict.tuwien.ac.at:5060 
> Feb  5 11:57:21 obelix ser: ser startup succeeded
> Feb  5 11:57:21 obelix /usr/sbin/ser[21426]: mod_init(): Database
> connection opened successfuly 
> Feb  5 11:57:21 obelix /usr/sbin/ser[21426]: INFO: udp_init: SO_RCVBUF
> is initially 65535 
> Feb  5 11:57:21 obelix /usr/sbin/ser[21426]: INFO: udp_init: SO_RCVBUF
> is finally 131070 
> Feb  5 11:57:21 obelix /usr/sbin/ser[21432]: INFO: fifo process
> starting: 21432 
> Feb  5 11:57:21 obelix /usr/sbin/ser[21432]: SER: open_uac_fifo: fifo
> server up at /tmp/ser_fifo... 
> 
> ..up to here everything works fine, than I send the request:
> 
> Feb  5 11:57:30 obelix /usr/sbin/ser[21428]: BUG: qm_*: fragm.
> 0x422b9ad0 end overwritten(35322e64, 39306665)! 
> Feb  5 11:57:30 obelix /usr/sbin/ser[21426]: child process 21428 exited
> by a signal 11 
> Feb  5 11:57:30 obelix /usr/sbin/ser[21426]: core was not generated 
> Feb  5 11:57:30 obelix /usr/sbin/ser[21426]: INFO: terminating due to
> SIGCHLD 
> 
> Here is the ngrep output:
> 
> U 128.131.80.101:1558 -> 128.131.80.136:5060
>   INVITE sip:obelix.ict.tuwien.ac.at SIP/2.0..Via: SIP/2.0/UDP
> klausix.ict.tuwien.ac.at:1557..Via: SIP/2.0/UDP
> 128.131.80.191:5070;branch=z9hG4bK2024693217..Route: <sip:iptel.
>   org>..Route: <sip:klaus3000 at klausix.ict.tuwien.ac.at>..From:
> <sip:brutus at obelix.ict.tuwien.ac.at>;tag=262992618..To:
> <sip:klaus3000 at iptel.org>..Call-ID: 744056460 at 128.131.80
>   .191..CSeq: 20 INVITE..Contact:
> <sip:brutus at 128.131.80.191:5070>..max-forwards: 10..user-agent:
> oSIP/Linphone-0.9.1..Content-Type: application/sdp..Content-Length: 335
> ....
>   v=0..o=brutus 123456 654321 IN IP4 128.131.80.191..s=A
> c..onversation..c=IN IP4 128.131.80.191..t=0 0..m=audio 7078 RTP/AVP 3
> 115 8 110 111 101..a=rtpmap:3 gsm/8000/1..a=rtp
>   map:115 lpc10-1.5/8000/1..a=rtpmap:8 PCMA/8000/1..a=rtpmap:110
> speex-4/8000/1..a=rtpmap:111 speex_lbr-4/8000/1..a=rtpmap:101
> telephone-event/8000..a=fmtp:101 0-11..         
> #
> U 128.131.80.136:5060 -> 128.131.80.101:1557
>   SIP/2.0 100 trying -- your call is important to us..Via: SIP/2.0/UDP
> klausix.ict.tuwien.ac.at:1557..Via: SIP/2.0/UDP
> 128.131.80.191:5070;branch=z9hG4bK2024693217..From: <sip
>   :brutus at obelix.ict.tuwien.ac.at>;tag=262992618..To:
> <sip:klaus3000 at iptel.org>..Call-ID: 744056460 at 128.131.80.191..CSeq: 20
> INVITE..Server: Sip EXpress router (0.8.10 (i386/l
>   inux))..Content-Length: 0..Warning: 392 128.131.80.136:5060 "Noisy
> feedback tells: pid=21552 req_src_ip=128.131.80.101
> in_uri=sip:obelix.ict.tuwien.ac.at out_uri=sip:iptel.o
>   rg via_cnt==2"....
> 
> #
> U 128.131.80.136:5060 -> 195.37.77.101:5060
>   INVITE sip:iptel.org SIP/2.0..Via: SIP/2.0/UDP
> 128.131.80.136;branch=z9hG4bK3a6d.25ef09d1.0..Via: SIP/2.0/UDP
> klausix.ict.tuwien.ac.at:1557..Via: SIP/2.0/UDP 128.131.80.191:
>   5070;branch=z9hG4bK2024693217..Route:
> <sip:klaus3000 at klausix.ict.tuwien.ac.at>..From:
> <sip:brutus at obelix.ict.tuwien.ac.at>;tag=262992618..To:
> <sip:klaus3000 at iptel.org>..Call
>   -ID: 744056460 at 128.131.80.191..CSeq: 20 INVITE..Contact:
> <sip:brutus at 128.131.80.191:5070>..max-forwards: 9 ..user-agent:
> oSIP/Linphone-0.9.1..Content-Type: application/sdp..
>   Content-Length: 335  ....v=0..o=brutus 123456 654321 IN IP4
> 128.131.80.191..s=A c..onversation..c=IN IP4 128.131.80.191..t=0
> 0..m=audio 7078 RTP/AVP 3 115 8 110 111 101..a=r
>   tpmap:3 gsm/8000/1..a=rtpmap:115 lpc10-1.5/8000/1..a=rtpmap:8
> PCMA/8000/1..a=rtpmap:110 speex-4/8000/1..a=rtpmap:111
> speex_lbr-4/8000/1..a=rtpmap:101 telephone-event/8000..a
>   =fmtp:101 0-11..
> 
> #
> U 195.37.77.101:5060 -> 128.131.80.136:5060
>   SIP/2.0 407 Proxy Authentication Required..Via: SIP/2.0/UDP
> 128.131.80.136;branch=z9hG4bK3a6d.25ef09d1.0..Via: SIP/2.0/UDP
> klausix.ict.tuwien.ac.at:1557..Via: SIP/2.0/UDP 12
>   8.131.80.191:5070;branch=z9hG4bK2024693217..From:
> <sip:brutus at obelix.ict.tuwien.ac.at>;tag=262992618..To:
> <sip:klaus3000 at iptel.org>;tag=fb86ad2694115d75c77dce61523c9f07.3f3c
>   ..Call-ID: 744056460 at 128.131.80.191..CSeq: 20
> INVITE..Proxy-Authenticate: Digest realm="iptel.org",
> nonce="3e40f29900000000d6e1790446755f1b4b96f5f5bd97b283",
> algorithm=MD5..
>   Server: Sip EXpress router (0.8.9 (i386/linux))..Content-Length:
> 0..Warning: 392 195.37.77.101:5060 "Noisy feedback tells: pid=7651
> req_src_ip=128.131.80.136 in_uri=sip:ipte
>   l.org out_uri=sip:klaus3000 at klausix.ict.tuwien.ac.at via_cnt==3"....
> 
> #
> U 128.131.80.136:5060 -> 128.131.80.101:1557
>   SIP/2.0 407 Proxy Authentication Required..Via: SIP/2.0/UDP
> klausix.ict.tuwien.ac.at:1557..Via: SIP/2.0/UDP
> 128.131.80.191:5070;branch=z9hG4bK2024693217..From: <sip:brutus at o
>   belix.ict.tuwien.ac.at>;tag=262992618..To:
> <sip:klaus3000 at iptel.org>;tag=fb86ad2694115d75c77dce61523c9f07.3f3c..Cal
> l-ID: 744056460 at 128.131.80.191..CSeq: 20 INVITE..Proxy-Aut
>   henticate: Digest realm="iptel.org",
> nonce="3e40f29900000000d6e1790446755f1b4b96f5f5bd97b283",
> algorithm=MD5..Server: Sip EXpress router (0.8.9
> (i386/linux))..Content-Length
>   : 0..Warning: 392 195.37.77.101:5060 "Noisy feedback tells: pid=7651
> req_src_ip=128.131.80.136 in_uri=sip:iptel.org
> out_uri=sip:klaus3000 at klausix.ict.tuwien.ac.at via_cnt==3
>   "....
> 
> #
> U 128.131.80.136:5060 -> 195.37.77.101:5060
>   ACK sip:iptel.org SIP/2.0..Via: SIP/2.0/UDP
> 128.131.80.136;branch=z9hG4bK3a6d.25ef09d1.0..From:
> <sip:brutus at obelix.ict.tuwien.ac.at>;tag=262992618..Call-ID:
> 744056460 at 128.13
>   1.80.191..To:
> <sip:klaus3000 at iptel.org>;tag=fb86ad2694115d75c77dce61523c9f07.3f3c..CSe
> q: 20 ACK..                       
> 
> 
> 
> If you need more details please let me know.
> 
> regards,
> Klaus
> _______________________________________________
> Serusers mailing list
> serusers at lists.iptel.org
> http://lists.iptel.org/mailman/listinfo/serusers
> 
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