El 04/04/14 16:26, Alex Villacís Lasso escribió:
I am currently trying to replace a pure-Asterisk implementation of SIP
messaging through Websockets, with a Kamailio-4.1.2-based implementation.
However, when I try to send a message with jsSIP, Kamailio crashes:
Program terminated with signal 11, Segmentation fault.
#0 0x00007f0e5cf31be3 in reg_ht_get_byuuid (uuid=0x7fff59734b00) at
uac_reg.c:350
350 slot = reg_get_entry(hash, _reg_htable->htsize);
Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.132.el6.x86_64 keyutils-libs-1.4-4.el6.x86_64 krb5-libs-1.10.3-10.el6_4.6.x86_64 libcom_err-1.41.12-18.el6.x86_64 libgcc-4.4.7-4.el6.x86_64 libselinux-2.0.94-5.3.el6_4.1.x86_64
libtool-ltdl-2.2.6-15.5.el6.x86_64 libunistring-0.9.3-5.el6.x86_64 libxml2-2.7.6-14.el6.x86_64 mysql-connector-odbc-5.1.5r1144-7.el6.x86_64 mysql-libs-5.1.73-3.el6_5.x86_64 nss-softokn-freebl-3.14.3-9.el6.x86_64 openssl-1.0.1e-16.el6_5.4.x86_64
unixODBC-2.2.14-12.el6_3.x86_64 zlib-1.2.3-29.el6.x86_64
(gdb) bt
#0 0x00007f0e5cf31be3 in reg_ht_get_byuuid (uuid=0x7fff59734b00) at
uac_reg.c:350
#1 0x00007f0e5cf36c71 in uac_reg_lookup (msg=0x7f0e6271e790,
src=0x7fff59734b00, dst=0x7f0e6267c950, mode=0) at uac_reg.c:924
#2 0x00007f0e5cf2f991 in w_uac_reg_lookup (msg=0x7f0e6271e790, src=0x7f0e6267e0d0 "\a",
dst=0x7f0e6267c950 "\006") at uac.c:560
#3 0x0000000000419bf6 in do_action (h=0x7fff59735690, a=0x7f0e6267f1e0,
msg=0x7f0e6271e790) at action.c:1111
#4 0x0000000000422878 in run_actions (h=0x7fff59735690, a=0x7f0e6267e510,
msg=0x7f0e6271e790) at action.c:1599
#5 0x0000000000417900 in do_action (h=0x7fff59735690, a=0x7f0e62664aa0,
msg=0x7f0e6271e790) at action.c:715
#6 0x0000000000422878 in run_actions (h=0x7fff59735690, a=0x7f0e6265d3b8,
msg=0x7f0e6271e790) at action.c:1599
#7 0x0000000000423017 in run_top_route (a=0x7f0e6265d3b8, msg=0x7f0e6271e790,
c=0x0) at action.c:1685
#8 0x00000000004a5153 in receive_msg (
buf=0x7f0e570d0168 "MESSAGE sip:ad...@gatitos.com SIP/2.0\r\nVia: SIP/2.0/WS ftisg2dgtaqe.invalid;branch=z9hG4bK2656184\r\nMax-Forwards: 16\r\nTo: <sip:ad...@gatitos.com>\r\nFrom: \"Alex Villacís Lasso\" <sip:avillacisIM@gatitos."..., len=585,
rcv_info=0x7f0e570cfe90) at receive.c:212
#9 0x00007f0e5c8e5802 in ws_frame_receive (data=0x7fff59735a40) at
ws_frame.c:652
#10 0x000000000045531c in sr_event_exec (type=10, data=0x7fff59735a40) at
events.c:254
#11 0x000000000052e04e in ws_process_msg (
tcpbuf=0x7f0e570d0160 "\201\376\002I\032\327\302\344MESSAGE sip:ad...@gatitos.com SIP/2.0\r\nVia: SIP/2.0/WS ftisg2dgtaqe.invalid;branch=z9hG4bK2656184\r\nMax-Forwards: 16\r\nTo: <sip:ad...@gatitos.com>\r\nFrom: \"Alex Villacís Lasso\"
<sip:avillacisIM@"..., len=593, rcv_info=0x7f0e570cfe90, con=0x7f0e570cfe78) at tcp_read.c:1146
#12 0x000000000052e21f in receive_tcp_msg (
tcpbuf=0x7f0e570d0160 "\201\376\002I\032\327\302\344MESSAGE sip:ad...@gatitos.com SIP/2.0\r\nVia: SIP/2.0/WS ftisg2dgtaqe.invalid;branch=z9hG4bK2656184\r\nMax-Forwards: 16\r\nTo: <sip:ad...@gatitos.com>\r\nFrom: \"Alex Villacís Lasso\"
<sip:avillacisIM@"..., len=593, rcv_info=0x7f0e570cfe90, con=0x7f0e570cfe78) at tcp_read.c:1182
#13 0x000000000052f2f3 in tcp_read_req (con=0x7f0e570cfe78,
bytes_read=0x7fff59735cac, read_flags=0x7fff59735ca4) at tcp_read.c:1383
#14 0x0000000000530d27 in handle_io (fm=0x7f0e62724d30, events=1, idx=-1) at
tcp_read.c:1617
#15 0x00000000005296c0 in io_wait_loop_epoll (h=0x8df220, t=2, repeat=0) at
io_wait.h:1092
#16 0x0000000000531650 in tcp_receive_loop (unix_sock=53) at tcp_read.c:1728
#17 0x0000000000523c21 in tcp_init_children () at tcp_main.c:4959
#18 0x000000000046d6a3 in main_loop () at main.c:1702
#19 0x000000000047030b in main (argc=13, argv=0x7fff59736178) at main.c:2533
Is this a known bug?
For additional information, the segfault stems from dereferencing a NULL pointer at global variable '_reg_htable' declared at modules/uac/uac_reg.c , which in turn looks as if the process (or its parents before the fork()) failed to call uac_reg_init_ht()
. This is confirmed by a patch to return NULL from reg_ht_get_byuuid() if _reg_htable is NULL - but this variable should not be uninitialized in the first place.
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