[SR-Users] Memory leak in Kamailio 4.4.4 TLS Module

[raja raja]

Hi,
shared memory not freed once TLS connection close means shm available
memory decreasing for new connection that leads to the following error


*tls: ssl bug #1491 workaround: not enough memory for safe operation*

*TestCase:*
1. start kamailio
2. use sample program to establish tls connection and close imediately.
3. Kamailio Log is
    For first TLS connection
    tls [tls_server.c:189]: tls_complete_init(): tls: enough memory for
safe operation: shm=63604096 threshold1=12058624
    tls [tls_server.c:649]: tls_h_tcpconn_clean(): tls shm_available after
shm_free: 63545192

     For second TLS connection
     tls [tls_server.c:189]: tls_complete_init(): tls: enough memory for
safe operation: shm=63545192 threshold1=12058624
     tls [tls_server.c:649]: tls_h_tcpconn_clean(): tls shm_available after
shm_free: 63489352

*Memory Leak:*
for tls connection connection
63604096 - 63545192 = 58904 bytes not freed.

for tls connection connection
63545192 - 63489352 = 55840 bytes not freed.

I tested same scenario on kamailio - 4.2.4, 4.3.4 versions result is same.

Could you please provide the fix?

Thanks & Regards,
Raja Chegondi.
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