[SR-Users] app_python3 crash woes

[Alex Balashov]

Another question: do we know if the handler function can be async/support coroutines internally?

— Alex

> On Sep 22, 2022, at 7:20 AM, Henning Westerholt <hw at gilawa.com> wrote:
> 
> Hi Alex,
> 
> It probably makes sense to analyse this further in an issue report, with some more details and/or ways how to reproduce it.
> You are right, a python exception should not cause a stop of execution from the Kamailio.
> 
> Cheers,
> 
> Henning
> 
> 
> 
> -- 
> Henning Westerholt – https://skalatan.de/blog/
> Kamailio services – https://gilawa.com
> 
> -----Original Message-----
> From: sr-users <sr-users-bounces at lists.kamailio.org> On Behalf Of Alex Balashov
> Sent: Thursday, September 22, 2022 12:32 PM
> To: Kamailio (SER) - Users Mailing List <sr-users at lists.kamailio.org>
> Subject: [SR-Users] app_python3 crash woes
> 
> Hi,
> 
> Some exceptions generated in Python script cause a harmless traceback in the logs, while others cause Kamailio to crash:
> 
> Sep 22 06:28:34 proxy /usr/sbin/kamailio[3984]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 11 Sep 22 06:28:34 proxy /usr/sbin/kamailio[3957]: ALERT: <core> [main.c:783]: handle_sigs(): child process 3965 exited by a signal 11 Sep 22 06:28:34 proxy /usr/sbin/kamailio[3957]: ALERT: <core> [main.c:786]: handle_sigs(): core was generated
> 
> (gdb) where
> #0  0x00007fdaea729079 in vfprintf () from /lib64/libc.so.6
> #1  0x00007fdaea754179 in vsnprintf () from /lib64/libc.so.6
> #2  0x00007fdac45e9afd in make_message () from /usr/lib64/kamailio/modules/app_python3.so
> #3  0x00007fdac45e5bc9 in python_handle_exception ()
>   from /usr/lib64/kamailio/modules/app_python3.so
> #4  0x00007fdac45ebfde in apy_exec () from /usr/lib64/kamailio/modules/app_python3.so
> #5  0x00007fdac45ecef1 in python_exec2 () from /usr/lib64/kamailio/modules/app_python3.so
> #6  0x0000000000474ee0 in do_action ()
> #7  0x000000000048217d in run_actions ()
> #8  0x0000000000474d39 in do_action ()
> #9  0x000000000048217d in run_actions ()
> #10 0x0000000000474d39 in do_action ()
> #11 0x000000000048217d in run_actions ()
> #12 0x0000000000474d87 in do_action ()
> #13 0x000000000048217d in run_actions ()
> #14 0x00000000004828c1 in run_top_route ()
> #15 0x00000000005e8044 in receive_msg ()
> #16 0x00000000004df772 in udp_rcv_loop ()
> #17 0x0000000000429f5b in main_loop ()
> #18 0x000000000043423e in main ()
> 
> Is there a reasonable way to try to prevent this type of mid-air explosion? 
> 
> — Alex
> 
> --
> Alex Balashov | Principal | Evariste Systems LLC
> 
> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
> 
> 
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-- 
Alex Balashov | Principal | Evariste Systems LLC

Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/