[sr-dev] [tracker] Task opened: segfault on loading dialplan module 3.1.1

[sip-router]

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A new Flyspray task has been opened.  Details are below. 

User who did this - Bayan (bayan) 

Attached to Project - sip-router
Summary - segfault on loading dialplan module 3.1.1
Task Type - Bug Report
Category - Module
Status - Unconfirmed
Assigned To - 
Operating System - Linux
Severity - High
Priority - Normal
Reported Version - 3.1
Due in Version - Undecided
Due Date - Undecided
Details - Version 3.1.1 segfaults on loading dialplan when loading a row with match_op 1.  When the match mode was changed to 0 it works

To isolate the bug we loaded kamailio dialplan module with the very simple match_op 1 regex row in the database (Postgres) and took a backtrace of the segfault.

# select * from coreout_dialplan;
 id  | dpid | pr | match_op | match_exp | match_len | subst_exp | repl_exp | attrs 
-----+------+----+----------+-----------+-----------+-----------+----------+-------
 482 |  100 |  1 |        1 | ^201$     |         0 |           | NJ       | 

Backtrace is below:

Program terminated with signal 11, Segmentation fault.
#0  0x00007f435151e5da in build_rule (values=0x0) at dp_db.c:388
388             GET_STR_VALUE(repl_exp, values, 6);
(gdb) bt
#0  0x00007f435151e5da in build_rule (values=0x0) at dp_db.c:388
#1  0x00007f435151fb1f in dp_load_db () at dp_db.c:261
#2  0x00007f4351520182 in init_db_data () at dp_db.c:110
#3  0x00007f43515205f5 in init_data () at dp_db.c:176
#4  0x00007f435151b15d in mod_init () at dialplan.c:189
#5  0x00000000004db076 in init_mod (m=0x8fb170) at sr_module.c:872
#6  0x00000000004daff4 in init_mod (m=0x8fb570) at sr_module.c:869
#7  0x00000000004dc022 in init_modules () at sr_module.c:899
#8  0x0000000000463ec9 in main (argc=5845616, argv=0x7fff86a4ac18) at main.c:2339
(gdb) p repl_exp
$1 = {s = 0x4 <Address 0x4 out of bounds>, len = 1366451880}
(gdb) p values
$2 = (db_val_t *) 0x0

More information can be found at the following URL:
http://sip-router.org/tracker/index.php?do=details&task_id=109

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