[sr-dev] [Redis module] Kamailio crashes in case of connection lost to redis server

[Tuan Viet Nguyen]

Hello,

I'll try to shut down the redis server to test the behavior of kamailio and
it has crashed if a call is received and then cancelled.

*1/The kamailio version is 4.0.4*

*2/ Kamailio log *
/usr/local/sbin/kamailio[25333]: ERROR: ndb_redis [redis_client.c:364]:
redisc_exec(): Redis error: Server closed the connection
/usr/local/sbin/kamailio[25361]: : <core> [pass_fd.c:293]: receive_fd():
ERROR: receive_fd: EOF on 13
/usr/local/sbin/kamailio[25328]: ALERT: <core> [main.c:788]: handle_sigs():
child process 25333 exited by a signal 11
/usr/local/sbin/kamailio[25328]: ALERT: <core> [main.c:791]: handle_sigs():
core was generated

*3/ Interesting information in the core*
#3  0x00007fc79412893d in redisvCommand (c=0x64657461, format=0x9 <Address
0x9 out of bounds>, ap=0x30, ap at entry=0x7fff0ff56aa8) at hiredis.c:1304
No locals.
#4  0x00007fc794341713 in redisc_exec (srv=srv at entry=0x7fff0ff56be0,
res=res at entry=0x7fff0ff56c00, cmd=cmd at entry=0x7fff0ff56bf0) at
redis_client.c:368
        rsrv = 0x7fc794565150
        rpl = 0x7fc7946fab70
        c = 0 '\000'
        ap = {{gp_offset = 48, fp_offset = 48, overflow_arg_area =
0x7fff0ff56bb0, reg_save_area = 0x7fff0ff56ac0}}
        __FUNCTION__ = "redisc_exec"
#5  0x00007fc79433b781 in w_redis_cmd5 (msg=<optimized out>,
ssrv=<optimized out>, scmd=<optimized out>, sargv1=<optimized out>,
sargv2=0x7fc7946f7bf0 "p\243_\224\307\177", sres=0x7fc7946f7c50 "
\253_\224\307\177") at ndb_redis_mod.c:250
        s = {{s = 0x7fc7945fb300 "kamailio_redis", len = 14}, {s =
0x7fc7945f5f50 "PUBLISH %s %s", len = 13}, {s = 0x7fc7945fab20 "r", len =
1}}
        arg1 = {s = 0x7fc7945f5f80 "notification", len = 12}
        arg2 = {
          s = 0x7fc794551c60 "info XXX"...,
          len = 212}
        c1 = 0 '\000'
        c2 = 0 '\000'
        __FUNCTION__ = "w_redis_cmd5"


I've found one of post that this issue has been fixed but it seems that
it's always the case ..
http://www.mail-archive.com/search?l=sr-users@lists.sip-router.org&q=subject:%22Re%3A+%5BSR-Users%5D+ndb_redis+module+fails+after+a+while%22

Do you have any idea?
Thank you
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