13 Oct
2022
13 Oct
'22
9:13 a.m.
### Description
Hello!
I'm running a sip service and have several crash per day.
The crash is happening in secfilter module, method "w_check_ip" line 651
https://github.com/kamailio/kamailio/blob/master/src/modules/secfilter/secf…
#### Reproduction
I noticed that every core is generated when I insert a new IP and most probably, when I
call
kamcmd secfilter.reload
NOTE: I'm calling the above command line from the kamailio script
#### Debugging Data
```
(gdb) bt
#0 __strncasecmp_l_avx () at ../sysdeps/x86_64/multiarch/strcmp-sse42.S:271
#1 0x0000564a161b6413 in cmpi_str (s1=0x7f0bdcbc1b28, s2=0x7ffd88e2c580) at
core/strutils.c:443
#2 0x00007f0bd069c983 in w_check_ip (msg=0x7f0be1619620) at secfilter.c:651
#3 0x0000564a15f8cafc in do_action (h=0x7ffd88e2d640, a=0x7f0be142f118,
msg=0x7f0be1619620) at core/action.c:1079
#4 0x0000564a15f9bb26 in run_actions (h=0x7ffd88e2d640, a=0x7f0be14296e8,
msg=0x7f0be1619620) at core/action.c:1584
#5 0x0000564a15f889d9 in do_action (h=0x7ffd88e2d640, a=0x7f0be15996f0,
msg=0x7f0be1619620) at core/action.c:703
#6 0x0000564a15f9bb26 in run_actions (h=0x7ffd88e2d640, a=0x7f0be1598c70,
msg=0x7f0be1619620) at core/action.c:1584
#7 0x0000564a15f9c3a0 in run_top_route (a=0x7f0be1598c70, msg=0x7f0be1619620, c=0x0) at
core/action.c:1669
#8 0x0000564a160f2e96 in receive_msg (
buf=0x564a16549ea0 <buf> "REGISTER sip:sip.antisip.com SIP/2.0\r\nVia:
SIP/2.0/UDP 10.1.1.78:5060;branch=z9hG4bKVsAO82I6G4Oe4Okgc;rport\r\nFrom:
\"504f9410db5c\"
<sip:XXXXXXXXXXXX@sip.antisip.com>;tag=D2yOicg8WAMe4Sii\r\nTo:
\"XXXXXXXX"..., len=429, rcv_info=0x7ffd88e2daf0) at core/receive.c:501
#9 0x0000564a16251d97 in udp_rcv_loop () at core/udp_server.c:543
#10 0x0000564a15f75ce9 in main_loop () at main.c:1730
#11 0x0000564a15f829a1 in main (argc=10, argv=0x7ffd88e2e508) at main.c:3061
```
#### Log Messages
Oct 12 00:28:08 sip kamailio[19274]: ALERT: <core> [main.c:788]: handle_sigs():
child process 19474 exited by a signal 11
Oct 12 00:28:08 sip kamailio[19274]: ALERT: <core> [main.c:791]: handle_sigs(): core
was generated
Oct 12 00:28:08 sip kamailio[19274]: INFO: <core> [main.c:813]: handle_sigs():
terminating due to SIGCHLD
#### SIP Traffic
not applicable
### Possible Solutions
I guess the secfilter reload is happening at the same time w_check_ip loops over the data.
Some mutex should probably be missing.
### Additional Information
Debian GNU/Linux 11 (bullseye)
kamailio 5.5.5 (x86_64/linux) installed from http://deb.kamailio.org/
secfilter module hasn't changed much since 5.5.5, so I it looks like master branch is
still affected.
Thanks a lot.
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