[OpenSIPS-Devel] Segmentation fault on startup

[Dan Pascu]

Fixed this one, you can disregard it.

On 18 Apr 2019, at 18:36, Dan Pascu wrote:

> 
> I'm attempting to check my config with opensips -c -f opensips.cfg and it crashes loading the tracer module (when it tries to query the table version - FYI mysql runs and I can access it with the opensips credentials and successfully query the table version from a mysql client):
> 
> Apr 18 18:29:58 [32271] INFO:tracer:parse_siptrace_id: allocating 1206818306 [default]
> Apr 18 18:29:58 [32271] DBG:core:sys_malloc: tracer.c:parse_siptrace_id:599: malloc 0xb934e430 size 380 end 0xb934e5ac
> Apr 18 18:29:58 [32271] DBG:core:sys_malloc: tracer.c:get_db_struct:324: malloc 0xb9340c30 size 92 end 0xb9340c8c
> Apr 18 18:29:58 [32271] DBG:core:sys_malloc: db/db.c:db_bind_mod:212: malloc 0xb9348580 size 72 end 0xb93485c8
> Apr 18 18:29:58 [32271] DBG:core:sys_malloc: db/db.c:db_bind_mod:229: malloc 0xb932d6f0 size 12 end 0xb932d6fc
> Apr 18 18:29:58 [32271] DBG:core:sys_free: db/db.c:db_bind_mod:237: free 0xb9348580
> Apr 18 18:29:58 [32271] DBG:core:find_mod_export: found <db_bind_api> in module db_mysql [/home/dan/work/voip/opensips/build/test-3.0/opensips-xs/modules/]
> Apr 18 18:29:58 [32271] DBG:core:db_bind_mod: using db bind api for db_mysql
> Apr 18 18:29:58 [32271] DBG:core:sys_free: db/db.c:db_bind_mod:281: free 0xb932d6f0
> Apr 18 18:29:58 [32271] DBG:core:sys_malloc: db/db.c:db_do_init:314: malloc 0xb9349940 size 100 end 0xb93499a4
> Apr 18 18:29:58 [32271] DBG:core:sys_malloc: db/db_id.c:new_db_id:273: malloc 0xb93469f0 size 36 end 0xb9346a14
> Apr 18 18:29:58 [32271] DBG:core:sys_malloc: db/db_id.c:dupl_string:47: malloc 0xb932d6f0 size 6 end 0xb932d6f6
> Apr 18 18:29:58 [32271] DBG:core:sys_malloc: db/db_id.c:dupl_string:47: malloc 0xb932b230 size 9 end 0xb932b239
> Apr 18 18:29:58 [32271] DBG:core:sys_malloc: db/db_id.c:dupl_string:47: malloc 0xb9340cd0 size 33 end 0xb9340cf1
> Apr 18 18:29:58 [32271] DBG:core:sys_malloc: db/db_id.c:dupl_string:47: malloc 0xb932aed0 size 10 end 0xb932aeda
> Apr 18 18:29:58 [32271] DBG:core:sys_malloc: db/db_id.c:dupl_string:47: malloc 0xb9326180 size 9 end 0xb9326189
> Apr 18 18:29:58 [32271] DBG:core:db_do_init: connection 0xb93469f0 not found in pool
> Apr 18 18:29:58 [32271] DBG:core:sys_malloc: my_con.c:db_mysql_new_connection:148: malloc 0xb93458a0 size 52 end 0xb93458d4
> Apr 18 18:29:58 [32271] DBG:core:sys_malloc: my_con.c:db_mysql_new_connection:157: malloc 0xb934e860 size 964 end 0xb934ec24
> Apr 18 18:29:58 [32271] DBG:db_mysql:db_mysql_connect: opening connection: mysql://xxxx:xxxx@localhost/opensips
> Apr 18 18:29:58 [32271] DBG:db_mysql:db_mysql_connect: connection type is Localhost via UNIX socket
> Apr 18 18:29:58 [32271] DBG:db_mysql:db_mysql_connect: protocol version is 10
> Apr 18 18:29:58 [32271] DBG:db_mysql:db_mysql_connect: server version is 5.7.24-1
> Apr 18 18:29:58 [32271] DBG:core:db_do_init: connection 0xb93469f0 inserted in pool as 0xb93458a0
> Apr 18 18:29:58 [32271] DBG:core:sys_malloc: db/db.c:db_do_init:352: malloc 0xb9340f80 size 80 end 0xb9340fd0
> Segmentation fault (core dumped)
> 
> Core was generated by `./opensips -c -f o.cfg'.
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0  0xb4e7304b in db_mysql_submit_query (_h=0xb9349940, _s=0xb77c35a0 <sql_str>) at dbase.c:299
> 299			_stop_expire_timer(start, db_mysql_exec_query_threshold, "mysql query",
> (gdb) bt
> #0  0xb4e7304b in db_mysql_submit_query (_h=0xb9349940, _s=0xb77c35a0 <sql_str>) at dbase.c:299
> #1  0xb7639011 in db_do_query (_h=0xb9349940, _k=0xbfcf1820, _op=0x0, _v=0xbfcf1828, _c=0xbfcf1824, _n=1, _nc=1, _o=0x0, _r=0xbfcf1800, val2str=0xb4e6c600 <db_mysql_val2str>, submit_query=0xb4e72e60 <db_mysql_submit_query>, store_result=
>    0xb4e6e9b0 <db_mysql_store_result>) at db/db_query.c:99
> #2  0xb4e749c4 in db_mysql_query (_h=0xb9349940, _k=0xbfcf1820, _op=0x0, _v=0xbfcf1828, _c=0xbfcf1824, _n=1, _nc=1, _o=0x0, _r=0xbfcf1800) at dbase.c:979
> #3  0xb7631282 in db_table_version (dbf=0xb9340c3c, connection=0xb9349940, table=0xb9340c84) at db/db.c:428
> #4  0xb76317ab in db_check_table_version (dbf=0xb9340c3c, dbh=0xb9349940, table=0xb9340c84, version=5) at db/db.c:472
> #5  0xb3f86043 in get_db_struct (tb_name=0xbfcf1914, st_db=0xb934e44c, url=0xbfcf190c) at tracer.c:354
> #6  parse_siptrace_id (suri=<synthetic pointer>) at tracer.c:612
> #7  parse_trace_id (type=<optimized out>, val=<optimized out>) at tracer.c:642
> #8  0xb7595f28 in set_mod_param_regex (regex=0xb934c760 "tracer", name=0xb934c950 "trace_id", type=1, val=0xb934c8c0) at modparam.c:87
> #9  0xb7682dea in yyparse () at cfg.y:1320
> #10 0xb7528d06 in parse_opensips_cfg (cfg_file=0xbfcf2fb0 "o.cfg", preproc_cmdline=0x0, ret_stream=0x0) at cfg_pp.c:100
> #11 0xb74fb075 in main (argc=<optimized out>, argv=<optimized out>) at main.c:1203
> (gdb) list
> 294		 */
> 295
> 296		for (i=0; i<max_db_queries; i++) {
> 297			start_expire_timer(start,db_mysql_exec_query_threshold);
> 298			code = wrapper_single_mysql_real_query(_h, _s);
> 299			_stop_expire_timer(start, db_mysql_exec_query_threshold, "mysql query",
> 300			            _s->s, _s->len, 0, sql_slow_queries, sql_total_queries);
> 301			if (code < 0) {
> 302				/* got disconnected during call */
> 303				switch_state_to_disconnected(_h);
> (gdb) print start
> $1 = {tv_sec = 1713186560, tv_usec = -1187735232}
> (gdb) print db_mysql_exec_query_threshold
> $2 = 0
> (gdb) print _s
> $3 = (const str *) 0xb77c35a0 <sql_str>
> (gdb) print *_s
> $4 = {s = 0xb77b35a0 <sql_buf> "select table_version from version where table_name='sip_trace'", len = 62}
> (gdb) print sql_slow_queries
> $5 = (stat_var *) 0x0
> (gdb) print sql_total_queries
> $6 = (stat_var *) 0x0
> (gdb)
> 
> --
> Dan
> 
> 
> 
> 
> 
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--
Dan