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

[Matt Jordan (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-23675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=217882#comment-217882 ] 

Matt Jordan commented on ASTERISK-23675:
----------------------------------------

Yeah.... that should probably get merged :-)

> [patch] Segmentation Fault on first SIP registration using res_config_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
>            Assignee: Michael L. Young
>            Severity: Critical
>         Attachments: asterisk-23675-odbc-linkedlist-traversal_12.diff, 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 from a phone. 
> Last part of backtrace:
> {noformat}
> 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
> {noformat}



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