[asterisk-bugs] [JIRA] (ASTERISK-23675) Segmentation Fault on first registration using res_odbc

[Leandro Dardini (JIRA)]

Leandro Dardini created ASTERISK-23675:
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             Summary: Segmentation Fault on first registration using res_odbc
                 Key: ASTERISK-23675
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23675
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Resources/res_config_odbc
    Affects Versions: 12.2.0
         Environment: Linux, CentOS 6.5, 64bit
            Reporter: Leandro Dardini
            Severity: Critical
         Attachments: backtrace.txt

Starting with a perfectly working configuration for asterisk 12.1.1 using realtime sip peers via ODBC on MySQL server, compiled asterisk 12.2.0 and run, it crashes with segmentation fault when the first registration attempt is received by a phone. 

Last part of backtrace:

Core was generated by `/usr/sbin/asterisk -f -vvvg -c'.
Program terminated with signal 11, Segmentation fault.
#0  0x00007f70708e9cb7 in update_odbc (database=0x7f706b848200 "asterisk1", table=0x7f706b848100 "sipfriends", keyfield=0x7f707ab6139b "name", lookup=0x7f70c006e3c8 "101-IDSSOFT", fields=0x7f70c000a8c0) at res_config_odbc.c:493
493             while ((field = field->next)) {
#0  0x00007f70708e9cb7 in update_odbc (database=0x7f706b848200 "asterisk1", table=0x7f706b848100 "sipfriends", keyfield=0x7f707ab6139b "name", lookup=0x7f70c006e3c8 "101-IDSSOFT", fields=0x7f70c000a8c0) at res_co
nfig_odbc.c:493
        obj = 0x3034d28
        stmt = 0x7f706b848100
        sql = "UPDATE sipfriends SET regserver=?, lastms=?, defaultuser=?, port=?", '\000' <repeats 14 times>"\377, \377\377\377\000\000\000\000\000\205\204kp\177", '\000' <repeats 26 times>"\223, uR\000\000\000\
000\000`\205\204k\000\000\070f\340\063\211\000\000\000\000\000\v*a\000\000\000\000\000\205\061a\000\000\000\000\000\377\377\377\377\354\t\000\000\364\"a\000\000\000\000\000\016*a\000\000\000\000\000y1a\000\000\00
0\000\000P\200\204kp\177\000\000\035HM\000\000\000\000\000ҙ$\002\000\000\000\000\240\200\204kp\177\000\000Ѐ\204kp\177\000\000\310IM\000\000\000\000\000\350\317\006\300p\177\000\000\220\201\204kp"...
        rowcount = 0
        field = 0x0
        res = 32624
        count = 4
        paramcount = 4
        cps = {sql = 0x7f706b847f70 "UPDATE sipfriends SET regserver=?, lastms=?, defaultuser=?, port=?", extra = 0x7f70c006e3c8 "101-IDSSOFT", __field_mgr_pool = 0x7f70c00797c0, encoding = {0x8c6e46 "" <repeats 
256 times>}, __field_mgr = {last_alloc = 0x0, embedded_pool = 0x0}, fields = 0x7f70c000a8c0, skip = 0}
        tableptr = 0x31f8380
        column = 0x31f8510
        connected_flag = {flags = 4}
        __PRETTY_FUNCTION__ = "update_odbc"
#1  0x00000000004d5a6c in ast_update_realtime_fields (family=0x7f707ab61367 "sippeers", keyfield=0x7f707ab6139b "name", lookup=0x7f70c006e3c8 "101-IDSSOFT", fields=0x7f70c000a8c0) at config.c:2940
        eng = 0x7f7070aed760
        res = -1
        i = 1




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