Description

Kamailio segfaults when KEMI functions are invoked from app_python script

Troubleshooting

The same code was running ok with the 5.6 branch.

It seems that the function sr_apy_kemi_exec_func_ex has been re-written in 5.7 with the following main changes :

• The long IF/ELSE statement was replace by a FOR loop
• The call to PyArg_ParseTuple function was replaced by the call to PyList_GetItem ==> This seems to be the cause. The value returned by this function is alway NULL

Reproduction

Any call to KSR.pv.seti function from a PYTHON 2 script would cause this error.

Log Messages

sbin/kamailio[18449]: ERROR: app_python [apy_kemi.c:280]: sr_apy_kemi_exec_func_ex(): null parameter - func: seti idx: 0 argc:
 2

Feb  6 11:34:16 .../sbin/kamailio[18509]: CRITICAL: <core> [core/pass_fd.c:281]: receive_fd(): EOF on 37
Feb  6 11:34:16 .../sbin/kamailio[18380]: ALERT: <core> [main.c:793]: handle_sigs(): child process 18449 exited by a signal 11
Feb  6 11:34:16 .../sbin/kamailio[18380]: ALERT: <core> [main.c:796]: handle_sigs(): core was not generated
Feb  6 11:34:16 .../sbin/kamailio[18380]: INFO: <core> [main.c:818]: handle_sigs(): terminating due to SIGCHLD
Feb  6 11:34:16 .../sbin/kamailio[18509]: INFO: <core> [main.c:874]: sig_usr(): signal 15 received
Feb  6 11:34:16 .../sbin/kamailio[18502]: INFO: <core> [main.c:874]: sig_usr(): signal 15 received
Feb  6 11:34:16 .../sbin/kamailio[18495]: INFO: <core> [main.c:874]: sig_usr(): signal 15 received
Feb  6 11:34:16 .../sbin/kamailio[18482]: INFO: <core> [main.c:874]: sig_usr(): signal 15 received

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