Module: kamailio Branch: master Commit: a3d9816d3881eb9743a14cb1306533469a821d47 URL: https://github.com/kamailio/kamailio/commit/a3d9816d3881eb9743a14cb13065334… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2018-03-20T16:48:26+01:00 core: check for result of dlopen() pointers --- Modified: src/core/sr_module.c --- Diff: https://github.com/kamailio/kamailio/commit/a3d9816d3881eb9743a14cb13065334… Patch: https://github.com/kamailio/kamailio/commit/a3d9816d3881eb9743a14cb13065334… --- diff --git a/src/core/sr_module.c b/src/core/sr_module.c index f04d486908..62fc81f21b 100644 --- a/src/core/sr_module.c +++ b/src/core/sr_module.c @@ -594,7 +594,7 @@ int load_module(char* mod_path) exit(-1); } mod_if_ver = (unsigned *)dlsym(handle, "module_interface_ver"); - if ( (error =(char*)dlerror())!=0 ){ + if (mod_if_ver==NULL || (error =(char*)dlerror())!=0 ){ LM_ERR("no module interface version in module <%s>\n", path ); goto error1; } @@ -635,12 +635,10 @@ int load_module(char* mod_path) snprintf(exbuf, 62, "_%.*s_exports", expref.len, expref.s); LM_DBG("looking up exports with name: %s\n", exbuf); exp = (union module_exports_u*)dlsym(handle, exbuf); - if(exp==NULL) { - if ( (error =(char*)dlerror())!=0 ){ - LM_ERR("failure for exports symbol: %s - dlerror: %s\n", - exbuf, error); - goto error1; - } + if(exp==NULL || (error =(char*)dlerror())!=0 ){ + LM_ERR("failure for exports symbol: %s - dlerror: %s\n", + exbuf, (error)?error:"none"); + goto error1; } } /* hack to allow for kamailio style dlflags inside exports */