5 Feb
2003
5 Feb
'03
6:13 a.m.
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@klausix.ict.tuwien.ac.at>
From: <sip:brutus@obelix.ict.tuwien.ac.at>;tag=262992618
To: <sip:klaus3000@iptel.org>
Call-ID: 744056460(a)128.131.80.191
CSeq: 20 INVITE
Contact: <sip:brutus@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@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@klausix.ict.tuwien.ac.at>..From:
<sip:brutus@obelix.ict.tuwien.ac.at>;tag=262992618..To:
<sip:klaus3000@iptel.org>..Call-ID: 744056460(a)128.131.80
.191..CSeq: 20 INVITE..Contact:
<sip:brutus@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@obelix.ict.tuwien.ac.at>;tag=262992618..To:
<sip:klaus3000@iptel.org>..Call-ID: 744056460@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@klausix.ict.tuwien.ac.at>..From:
<sip:brutus@obelix.ict.tuwien.ac.at>;tag=262992618..To:
<sip:klaus3000@iptel.org>..Call
-ID: 744056460@128.131.80.191..CSeq: 20 INVITE..Contact:
<sip:brutus@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@obelix.ict.tuwien.ac.at>;tag=262992618..To:
<sip:klaus3000@iptel.org>;tag=fb86ad2694115d75c77dce61523c9f07.3f3c
..Call-ID: 744056460@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@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@o
belix.ict.tuwien.ac.at>;tag=262992618..To:
<sip:klaus3000@iptel.org>;tag=fb86ad2694115d75c77dce61523c9f07.3f3c..Cal
l-ID: 744056460@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@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@obelix.ict.tuwien.ac.at>;tag=262992618..Call-ID:
744056460(a)128.13
1.80.191..To:
<sip:klaus3000@iptel.org>;tag=fb86ad2694115d75c77dce61523c9f07.3f3c..CSe
q: 20 ACK..
If you need more details please let me know.
regards,
Klaus