Module: kamailio Branch: master Commit: a886f8ef15677b951e36407735f1fb5b94f0edd0 URL: https://github.com/kamailio/kamailio/commit/a886f8ef15677b951e36407735f1fb5… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2019-10-01T10:28:43+02:00 core: tcp - safety check that dst address is provided for tcp_send() --- Modified: src/core/tcp_main.c --- Diff: https://github.com/kamailio/kamailio/commit/a886f8ef15677b951e36407735f1fb5… Patch: https://github.com/kamailio/kamailio/commit/a886f8ef15677b951e36407735f1fb5… --- diff --git a/src/core/tcp_main.c b/src/core/tcp_main.c index 61a692af85..99d33ee719 100644 --- a/src/core/tcp_main.c +++ b/src/core/tcp_main.c @@ -2002,8 +2002,13 @@ int tcp_send(struct dest_info* dst, union sockaddr_union* from, snd_flags_t t_send_flags; #endif /* USE_TLS */ + if(unlikely(dst==NULL)) { + LM_ERR("no destination address provided\n"); + return -1; + } + port=su_getport(&dst->to); - try_local_port = (dst && dst->send_sock)?dst->send_sock->port_no:0; + try_local_port = (dst->send_sock)?dst->send_sock->port_no:0; con_lifetime=cfg_get(tcp, tcp_cfg, con_lifetime); if (likely(port)){ su2ip_addr(&ip, &dst->to);