3 Dec
2013
3 Dec
'13
7:06 p.m.
THIS IS AN AUTOMATED MESSAGE, DO NOT REPLY.
A new Flyspray task has been opened. Details are below.
User who did this - Hugh Waite (hugh.waite)
Attached to Project - sip-router
Summary - Segfault in 4.1 when cannot reverse resolve
Task Type - Bug Report
Category - Core
Status - Unconfirmed
Assigned To -
Operating System - All
Severity - High
Priority - Normal
Reported Version - Development
Due in Version - Undecided
Due Date - Undecided
Details - A Segfault is occuring on the latest 4.1 during startup when attempting to
resolve the address in a 'listen' config directive.
It can be generated when running kamailio -c, when the IP address is not resolveable. The
problem goes away once the DNS entry is available.
<code>
#!substdef "/PRIV_IP_ADDR/10.179.31.235/"
#!substdef "/PUBL_IP_ADDR/WW.XX.YY.ZZ/"
...
listen=tcp:"PRIV_IP_ADDR":80 advertise "PUBL_IP_ADDR":80
...
</code>
Backtrace:
<code>(gdb) bt full
#0 0x0000000000443d81 in counter_inc (name=<value optimized out>) at
counters.h:126
No locals.
#1 dns_resolvehost (name=<value optimized out>) at dns_cache.c:2602
host = {s = 0x2 <Address 0x2 out of bounds>, len = 4760762}
ret = <value optimized out>
#2 0x00000000004e5cb7 in new_sock_info (name=<value optimized out>,
addr_l=<value optimized out>,
port=<value optimized out>, proto=<value optimized out>, usename=<value
optimized out>, useport=5080,
flags=SI_NONE) at socket_info.c:297
si = 0x7fbe68525690
n = <value optimized out>
he = <value optimized out>
p = <value optimized out>
__FUNCTION__ = "new_sock_info"
#3 0x00000000004e6091 in new_sock2list (name=<value optimized out>,
addr_l=<value optimized out>,
port=<value optimized out>, proto=<value optimized out>, usename=<value
optimized out>,
useport=<value optimized out>, flags=SI_NONE, list=0x84e6d8) at
socket_info.c:727
si = <value optimized out>
#4 0x00000000004eb48d in add_listen_advertise_iface (name=0x7fbe685252a0
"10.179.31.235", addr_l=0x0,
port=5080, proto=2, usename=0x7fbe685255e0 "edge05-int.crocodilertc.net",
useport=5080, flags=SI_NONE)
at socket_info.c:805
list = 0x84e6d8
c_proto = 2
a_l = <value optimized out>
c_port = <value optimized out>
#5 0x00000000005b6e2d in yyparse () at cfg.y:1419
yystate = <value optimized out>
yyerrstatus = 0
yyssa = {0, 165, 19, 199, 462, 739, 839, 1014, 1205, 0, 0, 0, 20872, 26926, 32702,
0, 1, 0, 0, 0, 0,
0, 0, 0, 1, 0, 32702, 0, 20872, 26926, 32702, 0, 0, 0, 0, 0, 21728, 26926,
32702, 0, 26720, 8970,
32767, 0, 1, 0, 0, 0, 26744, 8970, 32767, 0, 21728, 26926, 1, 0, 26752, 8970,
32767, 0, -13839,
64, 0, 0, 26776, 8970, 32767, 0, 8160, 26893, 1, 0, 1, 0, 0, 0, -14645, 64, 0,
0, 27720, 26769,
32702, 0, 8456, 26770, 32702, 0, 27200, 8970, 32767, 0, -25944, 84, 0, 0, 8, 0,
0, 0, 14853,
---Type <return> to continue, or q <return> to quit---
26783, 32702, 0, 7808, 26826, 32702, 0, 7896, 26826, 32702, 0, 12536, 26770,
32702, 0, -12288,
26925, 32702, 0, 8016, 26706, 32702, 0, -1, -1, 0, 0, -11272, 26769, 32702, 0,
1, 0, 0, 0, -6000,
131, 0, 0, 0, 0, 0, 0, -28656, 245, 0, 0, 27088, 8970, 32767, 0, 0, 0, 0, 0,
8160, 26893, 32702,
0, 1, 0 <repeats 11 times>, 12536, 26770, 32702, 0, 1, 0, 0, 0, 0, 0, 0,
0, 4, 0, 0, 0, 0, 0, 0,
0, 3152, 21150, 0, 0, -30955, 26893, 32702, 0}
yyss = 0x7fff230a6780
yyssp = 0x7fff230a6790
</code>
Are the DNS stats counters initialised at this point?
More information can be found at the following URL:
https://sip-router.org/tracker/index.php?do=details&task_id=375
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