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Posted to dev@qpid.apache.org by "Ganesh Murthy (JIRA)" <ji...@apache.org> on 2018/08/07 15:21:00 UTC

[jira] [Resolved] (DISPATCH-1097) Fix Coverity issue on master branch

     [ https://issues.apache.org/jira/browse/DISPATCH-1097?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ganesh Murthy resolved DISPATCH-1097.
-------------------------------------
    Resolution: Fixed

> Fix Coverity issue on master branch
> -----------------------------------
>
>                 Key: DISPATCH-1097
>                 URL: https://issues.apache.org/jira/browse/DISPATCH-1097
>             Project: Qpid Dispatch
>          Issue Type: Bug
>          Components: Container
>    Affects Versions: 1.2.0
>            Reporter: Ganesh Murthy
>            Assignee: Ganesh Murthy
>            Priority: Major
>             Fix For: 1.3.0
>
>
> {noformat}
> 5 new defect(s) introduced to Apache Qpid dispatch-router found with Coverity Scan.
> 1 defect(s), reported by Coverity Scan earlier, were marked fixed in the recent build analyzed by Coverity Scan.
> New defect(s) Reported-by: Coverity Scan
> Showing 5 of 5 defect(s)
> ** CID 308513:  Null pointer dereferences  (FORWARD_NULL)
> /home/kgiusti/work/qpid-dispatch/src/router_core/route_control.c: 245 in qdr_auto_link_activate_CT()
> ________________________________________________________________________________________________________
> *** CID 308513:  Null pointer dereferences  (FORWARD_NULL)
> /home/kgiusti/work/qpid-dispatch/src/router_core/route_control.c: 245 in qdr_auto_link_activate_CT()
> 239                 term = target;
> 240     
> 241             key = (const char*) qd_hash_key_by_handle(al->addr->hash_handle);
> 242             if (key || al->external_addr) {
> 243                 if (al->external_addr) {
> 244                     qdr_terminus_set_address(term, al->external_addr);
> >>>     CID 308513:  Null pointer dereferences  (FORWARD_NULL)
> >>>     Dereferencing null pointer "key".
> 245                     al->internal_addr = &key[2];
> 246                 } else
> 247                     qdr_terminus_set_address(term, &key[2]); // truncate the "Mp" annotation (where p = phase)
> 248                 al->link = qdr_create_link_CT(core, conn, QD_LINK_ENDPOINT, al->dir, source, target);
> 249                 al->link->auto_link = al;
> 250                 al->state = QDR_AUTO_LINK_STATE_ATTACHING;
> ** CID 308512:    (RESOURCE_LEAK)
> /home/kgiusti/work/qpid-dispatch/src/router_core/route_control.c: 252 in qdr_auto_link_activate_CT()
> /home/kgiusti/work/qpid-dispatch/src/router_core/route_control.c: 252 in qdr_auto_link_activate_CT()
> ________________________________________________________________________________________________________
> *** CID 308512:    (RESOURCE_LEAK)
> /home/kgiusti/work/qpid-dispatch/src/router_core/route_control.c: 252 in qdr_auto_link_activate_CT()
> 246                 } else
> 247                     qdr_terminus_set_address(term, &key[2]); // truncate the "Mp" annotation (where p = phase)
> 248                 al->link = qdr_create_link_CT(core, conn, QD_LINK_ENDPOINT, al->dir, source, target);
> 249                 al->link->auto_link = al;
> 250                 al->state = QDR_AUTO_LINK_STATE_ATTACHING;
> 251             }
> >>>     CID 308512:    (RESOURCE_LEAK)
> >>>     Variable "term" going out of scope leaks the storage it points to.
> 252         }
> 253     }
> 254     
> 255     
> 256     static void qdr_auto_link_deactivate_CT(qdr_core_t *core, qdr_auto_link_t *al, qdr_connection_t *conn)
> 257     {
> /home/kgiusti/work/qpid-dispatch/src/router_core/route_control.c: 252 in qdr_auto_link_activate_CT()
> 246                 } else
> 247                     qdr_terminus_set_address(term, &key[2]); // truncate the "Mp" annotation (where p = phase)
> 248                 al->link = qdr_create_link_CT(core, conn, QD_LINK_ENDPOINT, al->dir, source, target);
> 249                 al->link->auto_link = al;
> 250                 al->state = QDR_AUTO_LINK_STATE_ATTACHING;
> 251             }
> >>>     CID 308512:    (RESOURCE_LEAK)
> >>>     Variable "source" going out of scope leaks the storage it points to.
> 252         }
> 253     }
> 254     
> 255     
> 256     static void qdr_auto_link_deactivate_CT(qdr_core_t *core, qdr_auto_link_t *al, qdr_connection_t *conn)
> 257     {
> ** CID 308511:    (USE_AFTER_FREE)
> /home/kgiusti/work/qpid-dispatch/src/server.c: 978 in thread_run()
> /home/kgiusti/work/qpid-dispatch/src/server.c: 978 in thread_run()
> ________________________________________________________________________________________________________
> *** CID 308511:    (USE_AFTER_FREE)
> /home/kgiusti/work/qpid-dispatch/src/server.c: 978 in thread_run()
> 972                     pn_conn = conn;
> 973                 assert(pn_conn == conn);
> 974     
> 975                 if (!qd_conn)
> 976                     qd_conn = !!pn_conn ? (qd_connection_t*) pn_connection_get_context(pn_conn) : 0;
> 977     
> >>>     CID 308511:    (USE_AFTER_FREE)
> >>>     Calling "handle" frees pointer "qd_conn" which has already been freed.
> 978                 running = handle(qd_server, e, conn, qd_conn);
> 979             }
> 980     
> 981             //
> 982             // Notify the container that the batch is complete so it can do after-batch
> 983             // processing.
> /home/kgiusti/work/qpid-dispatch/src/server.c: 978 in thread_run()
> 972                     pn_conn = conn;
> 973                 assert(pn_conn == conn);
> 974     
> 975                 if (!qd_conn)
> 976                     qd_conn = !!pn_conn ? (qd_connection_t*) pn_connection_get_context(pn_conn) : 0;
> 977     
> >>>     CID 308511:    (USE_AFTER_FREE)
> >>>     Passing freed pointer "qd_conn" as an argument to "handle".
> 978                 running = handle(qd_server, e, conn, qd_conn);
> 979             }
> 980     
> 981             //
> 982             // Notify the container that the batch is complete so it can do after-batch
> 983             // processing.
> /home/kgiusti/work/qpid-dispatch/src/server.c: 986 in thread_run()
> 980     
> 981             //
> 982             // Notify the container that the batch is complete so it can do after-batch
> 983             // processing.
> 984             //
> 985             if (qd_conn)
> >>>     CID 308511:    (USE_AFTER_FREE)
> >>>     Calling "qd_conn_event_batch_complete" dereferences freed pointer "qd_conn".
> 986                 qd_conn_event_batch_complete(qd_server->container, qd_conn);
> 987     
> 988             pn_proactor_done(qd_server->proactor, events);
> 989         }
> 990         return NULL;
> 991     }
> ** CID 308510:    (RESOURCE_LEAK)
> /home/kgiusti/work/qpid-dispatch/src/router_core/route_control.c: 252 in qdr_auto_link_activate_CT()
> /home/kgiusti/work/qpid-dispatch/src/router_core/route_control.c: 252 in qdr_auto_link_activate_CT()
> ________________________________________________________________________________________________________
> *** CID 308510:    (RESOURCE_LEAK)
> /home/kgiusti/work/qpid-dispatch/src/router_core/route_control.c: 252 in qdr_auto_link_activate_CT()
> 246                 } else
> 247                     qdr_terminus_set_address(term, &key[2]); // truncate the "Mp" annotation (where p = phase)
> 248                 al->link = qdr_create_link_CT(core, conn, QD_LINK_ENDPOINT, al->dir, source, target);
> 249                 al->link->auto_link = al;
> 250                 al->state = QDR_AUTO_LINK_STATE_ATTACHING;
> 251             }
> >>>     CID 308510:    (RESOURCE_LEAK)
> >>>     Variable "term" going out of scope leaks the storage it points to.
> 252         }
> 253     }
> 254     
> 255     
> 256     static void qdr_auto_link_deactivate_CT(qdr_core_t *core, qdr_auto_link_t *al, qdr_connection_t *conn)
> 257     {
> /home/kgiusti/work/qpid-dispatch/src/router_core/route_control.c: 252 in qdr_auto_link_activate_CT()
> 246                 } else
> 247                     qdr_terminus_set_address(term, &key[2]); // truncate the "Mp" annotation (where p = phase)
> 248                 al->link = qdr_create_link_CT(core, conn, QD_LINK_ENDPOINT, al->dir, source, target);
> 249                 al->link->auto_link = al;
> 250                 al->state = QDR_AUTO_LINK_STATE_ATTACHING;
> 251             }
> >>>     CID 308510:    (RESOURCE_LEAK)
> >>>     Variable "target" going out of scope leaks the storage it points to.
> 252         }
> 253     }
> 254     
> 255     
> 256     static void qdr_auto_link_deactivate_CT(qdr_core_t *core, qdr_auto_link_t *al, qdr_connection_t *conn)
> 257     {
> ** CID 308509:  Resource leaks  (RESOURCE_LEAK)
> /home/kgiusti/work/qpid-dispatch/src/router_node.c: 1080 in AMQP_opened_handler()
> ________________________________________________________________________________________________________
> *** CID 308509:  Resource leaks  (RESOURCE_LEAK)
> /home/kgiusti/work/qpid-dispatch/src/router_node.c: 1080 in AMQP_opened_handler()
> 1074                                             free(item->host);
> 1075                                             free(item->port);
> 1076                                             free(item->hostname);
> 1077                                             free(item->host_port);
> 1078                                             free(item);
> 1079                                     }
> >>>     CID 308509:  Resource leaks  (RESOURCE_LEAK)
> >>>     Variable "item" going out of scope leaks the storage it points to.
> 1080                                 }
> 1081                                 pn_data_exit(props);
> 1082                             }
> 1083                         } // list_num_items > 0
> 1084                         else {
> 1085                             save_original_and_current_conn_info(conn);
> ________________________________________________________________________________________________________
>     
>     
> {noformat}



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