[SR-Users] Segfault in dialog.so with 4.4.2 stable

Daniel-Constantin Mierla miconda at gmail.com
Fri Jul 15 12:40:31 CEST 2016 

Hello,

can you send the output of gdb commands:

info locals

bt full

Cheers,
Daniel


On 15/07/16 10:06, Dirk Teurlings - Signet B.V. wrote:
> Hi,
>
> Running Kamailio on Debian from the Kamailio repository with 4.4.2
> stable (unpatched). Getting some random segfaults with it now, here's
> the relevant backtrace from the generated core.
>
> Core was generated by `/usr/sbin/kamailio -f /etc/kamailio/kamailio.cfg
> -P /var/run/kamailio/kamailio.'.
> Program terminated with signal 11, Segmentation fault.
> #0  run_dlg_callbacks (type=type at entry=64, dlg=dlg at entry=0x7fceb400e2f0,
> req=req at entry=0x7fced4f093c8, rpl=rpl at entry=0x0, dir=<optimized out>,
> dlg_data=dlg_data at entry=0x0) at dlg_cb.c:253
> 253			if ( (cb->types)&type ) {
> (gdb) bt
> #0  run_dlg_callbacks (type=type at entry=64, dlg=dlg at entry=0x7fceb400e2f0,
> req=req at entry=0x7fced4f093c8, rpl=rpl at entry=0x0, dir=<optimized out>,
> dlg_data=dlg_data at entry=0x0) at dlg_cb.c:253
> #1  0x00007fcead3648f9 in dlg_terminated (dir=<optimized out>,
> dlg=0x7fceb400e2f0, req=0x7fced4f093c8) at dlg_handlers.c:368
> #2  dlg_onroute (req=0x7fced4f093c8, route_params=<optimized out>,
> param=<optimized out>) at dlg_handlers.c:1354
> #3  0x00007fceb10ab0e2 in run_rr_callbacks
> (req=req at entry=0x7fced4f093c8, rr_param=rr_param at entry=0x7fceb12b77a0)
> at rr_cb.c:96
> #4  0x00007fceb10952c5 in after_loose (_m=0x7fced4f093c8, preloaded=0)
> at loose.c:919
> #5  0x000000000042b618 in do_action (h=h at entry=0x7ffeb0b3ed80,
> a=a at entry=0x7fced4cb4338, msg=msg at entry=0x7fced4f093c8) at action.c:1060
> #6  0x000000000042a10a in run_actions (h=h at entry=0x7ffeb0b3ed80,
> a=0x7fced4cb4338, msg=0x7fced4f093c8) at action.c:1549
> #7  0x0000000000437544 in run_actions_safe (h=h at entry=0x7ffeb0b402b0,
> a=<optimized out>, msg=<optimized out>) at action.c:1614
> #8  0x000000000053b2e8 in rval_get_int (h=0x7ffeb0b402b0, msg=<optimized
> out>, i=0x7ffeb0b3f1e0, rv=rv at entry=0x7fced4cb4d58,
> cache=cache at entry=0x0) at rvalue.c:912
> #9  0x000000000054261c in rval_expr_eval_int (h=h at entry=0x7ffeb0b402b0,
> msg=msg at entry=0x7fced4f093c8, res=res at entry=0x7ffeb0b3f1e0,
> rve=rve at entry=0x7fced4cb4d50) at rvalue.c:1910
> #10 0x000000000042bc91 in do_action (h=h at entry=0x7ffeb0b402b0,
> a=a at entry=0x7fced4cb8f88, msg=msg at entry=0x7fced4f093c8) at action.c:1030
> #11 0x000000000042a10a in run_actions (h=h at entry=0x7ffeb0b402b0,
> a=0x7fced4cb8f88, msg=msg at entry=0x7fced4f093c8) at action.c:1549
> #12 0x000000000042bcf2 in do_action (h=h at entry=0x7ffeb0b402b0,
> a=a at entry=0x7fced4cb91e8, msg=msg at entry=0x7fced4f093c8) at action.c:1049
> #13 0x000000000042a10a in run_actions (h=h at entry=0x7ffeb0b402b0,
> a=0x7fced4cb3f48, msg=msg at entry=0x7fced4f093c8) at action.c:1549
> #14 0x000000000042bde0 in do_action (h=h at entry=0x7ffeb0b402b0,
> a=a at entry=0x7fced4ac3d70, msg=msg at entry=0x7fced4f093c8) at action.c:678
> #15 0x000000000042a10a in run_actions (h=h at entry=0x7ffeb0b402b0,
> a=a at entry=0x7fced4ac1698, msg=msg at entry=0x7fced4f093c8) at action.c:1549
> #16 0x00000000004375d0 in run_top_route (a=0x7fced4ac1698,
> msg=msg at entry=0x7fced4f093c8, c=c at entry=0x0) at action.c:1635
> #17 0x0000000000504386 in receive_msg (buf=<optimized out>,
> len=<optimized out>, rcv_info=<optimized out>) at receive.c:240
> #18 0x00000000005f5bd4 in udp_rcv_loop () at udp_server.c:495
> #19 0x00000000004b2625 in main_loop () at main.c:1600
> #20 0x0000000000427e2b in main (argc=<optimized out>, argv=<optimized
> out>) at main.c:2616
>
>
> And from syslog the relevant messages before this dump:
>
> Jul 15 08:55:03 server /usr/sbin/kamailio[16470]: WARNING: dialog
> [dlg_handlers.c:1219]: dlg_onroute(): unable to find dialog for BYE with
> route param 'd4c.26d1' [3149:7522]
> Jul 15 08:56:01 server /usr/sbin/kamailio[16481]: WARNING: dialog
> [dlg_handlers.c:1219]: dlg_onroute(): unable to find dialog for BYE with
> route param 'fc.99f1' [207:8089]
> Jul 15 08:56:27 server /usr/sbin/kamailio[16470]: CRITICAL: dialog
> [dlg_timer.c:200]: update_dlg_timer(): Trying to update a bogus dlg
> tl=0x7fceb3f7d920 tl->next=(nil) tl->prev=(nil)
> Jul 15 08:56:27 server /usr/sbin/kamailio[16470]: ERROR: dialog
> [dlg_handlers.c:1377]: dlg_onroute(): failed to update dialog lifetime
> Jul 15 08:57:01 server /usr/sbin/kamailio[16482]: ERROR: db_mysql
> [km_dbase.c:128]: db_mysql_submit_query(): driver error on query:
> Duplicate entry '9584-3854-435' for key 'hash_index' (1062)
> Jul 15 08:57:01 server /usr/sbin/kamailio[16482]: ERROR: <core>
> [db_query.c:181]: db_do_raw_query(): error while submitting query
> Jul 15 08:57:01 server /usr/sbin/kamailio[16482]: ERROR: sqlops
> [sql_api.c:265]: sql_do_query(): cannot do the query [INSERT INTO
> `dialog_extra` (`h_i]
> Jul 15 08:57:01 server /usr/sbin/kamailio[16482]: ERROR: auth
> [api.c:119]: auth_check_hdr_md5(): auth:pre_auth: Credentials are not
> filled properly
> Jul 15 08:57:01 server /usr/sbin/kamailio[16483]: ERROR: auth
> [api.c:119]: auth_check_hdr_md5(): auth:pre_auth: Credentials are not
> filled properly
> Jul 15 08:57:54 server /usr/sbin/kamailio[16506]: NOTICE: dialog
> [dlg_hash.c:245]: dlg_clean_run(): dialog in delete state is too old
> (0x7fceb3f64470 ref 4)
> Jul 15 08:57:54 server /usr/sbin/kamailio[16473]: WARNING: dialog
> [dlg_handlers.c:1348]: dlg_onroute(): inconsitent dlg timer data on dlg
> 0x7fceb3f64470 [1182:5803] with clid
> '09ad128753e2535d24bde58e3d7eda04 at 192.168.10.232:5060' and tags
> 'as1b497b34' '5788890C-EC6F55F-3E86ED0C'
> Jul 15 08:57:54 server /usr/sbin/kamailio[16469]: ERROR: dialog
> [dlg_handlers.c:334]: dlg_terminated_confirmed(): failed to get dialog
> from params!
> Jul 15 08:58:49 server /usr/sbin/kamailio[16467]: WARNING: dialog
> [dlg_handlers.c:1219]: dlg_onroute(): unable to find dialog for BYE with
> route param '6d2.2581' [726:6226]
> Jul 15 08:59:24 server /usr/sbin/kamailio[16506]: NOTICE: dialog
> [dlg_hash.c:245]: dlg_clean_run(): dialog in delete state is too old
> (0x7fceb400e2f0 ref 4)
> Jul 15 08:59:25 server /usr/sbin/kamailio[16464]: WARNING: dialog
> [dlg_handlers.c:1219]: dlg_onroute(): unable to find dialog for BYE with
> route param '3e4.b5c1' [1251:7259]
> Jul 15 08:59:25 server /usr/sbin/kamailio[16465]: WARNING: dialog
> [dlg_handlers.c:1348]: dlg_onroute(): inconsitent dlg timer data on dlg
> 0x7fceb400e2f0 [1251:7259] with clid '87791a#015#012Call-ID:
> 25750e286a5654361ef9405d72edbc' and tags '' 'as148f41b1'
> Jul 15 08:59:25 server kernel: [203670.830521] kamailio[16465] general
> protection ip:7fcead34b3a5 sp:7ffeb0b3e220 error:0 in
> dialog.so[7fcead330000+88000]
> Jul 15 08:59:26 server /usr/sbin/kamailio[16511]: CRITICAL: <core>
> [pass_fd.c:275]: receive_fd(): EOF on 33
> Jul 15 08:59:26 server /usr/sbin/kamailio[16458]: ALERT: <core>
> [main.c:739]: handle_sigs(): child process 16465 exited by a signal 11
> Jul 15 08:59:26 server /usr/sbin/kamailio[16458]: ALERT: <core>
> [main.c:742]: handle_sigs(): core was generated
> Jul 15 08:59:26 server /usr/sbin/kamailio[16458]: INFO: <core>
> [main.c:754]: handle_sigs(): terminating due to SIGCHLD
>
> Any insight would be appreciated!
>
> Cheers,
> Dirk
>
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-- 
Daniel-Constantin Mierla
http://www.asipto.com - http://www.kamailio.org
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda

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