Ganesh Murthy created DISPATCH-730:
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Summary: Coverity scan reported errors in Qpid Dispatch master
Key: DISPATCH-730
URL: https://issues.apache.org/jira/browse/DISPATCH-730
Project: Qpid Dispatch
Issue Type: Bug
Components: Container
Affects Versions: 0.8.0
Reporter: Ganesh Murthy
Assignee: Ganesh Murthy
Fix For: 0.8.0
5 new defect(s) introduced to Apache Qpid dispatch-router found with Coverity
Scan.
New defect(s) Reported-by: Coverity Scan
Showing 5 of 5 defect(s)
** CID 142339: (USE_AFTER_FREE)
/home/gmurthy/opensource/dispatch/src/router_core/connections.c: 284 in
qdr_connection_process()
/home/gmurthy/opensource/dispatch/src/router_core/connections.c: 284 in
qdr_connection_process()
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*** CID 142339: (USE_AFTER_FREE)
/home/gmurthy/opensource/dispatch/src/router_core/connections.c: 284 in
qdr_connection_process()
278 if (link_work->work_type == QDR_LINK_WORK_DELIVERY &&
link_work->value > 0) {
279 DEQ_INSERT_HEAD(link->work_list, link_work);
280 link_work = 0; // Halt work processing
281 } else {
282 qdr_error_free(link_work->error);
283 free_qdr_link_work_t(link_work);
>>> CID 142339: (USE_AFTER_FREE)
>>> Dereferencing freed pointer "link".
284 link_work = DEQ_HEAD(link->work_list);
285 if (link_work)
286 DEQ_REMOVE_HEAD(link->work_list);
287 }
288 sys_mutex_unlock(conn->work_lock);
289 event_count++;
/home/gmurthy/opensource/dispatch/src/router_core/connections.c: 284 in
qdr_connection_process()
278 if (link_work->work_type == QDR_LINK_WORK_DELIVERY &&
link_work->value > 0) {
279 DEQ_INSERT_HEAD(link->work_list, link_work);
280 link_work = 0; // Halt work processing
281 } else {
282 qdr_error_free(link_work->error);
283 free_qdr_link_work_t(link_work);
>>> CID 142339: (USE_AFTER_FREE)
>>> Dereferencing freed pointer "link".
284 link_work = DEQ_HEAD(link->work_list);
285 if (link_work)
286 DEQ_REMOVE_HEAD(link->work_list);
287 }
288 sys_mutex_unlock(conn->work_lock);
289 event_count++;
** CID 142338: Resource leaks (RESOURCE_LEAK)
/home/gmurthy/opensource/dispatch/src/failoverlist.c: 103 in qd_failover_list()
________________________________________________________________________________________________________
*** CID 142338: Resource leaks (RESOURCE_LEAK)
/home/gmurthy/opensource/dispatch/src/failoverlist.c: 103 in qd_failover_list()
97 char *cursor = list->text;
98 char *next;
99 do {
100 next = qd_fol_next(cursor, ",");
101 qd_failover_item_t *item = qd_fol_item(cursor, error);
102 if (item == 0)
>>> CID 142338: Resource leaks (RESOURCE_LEAK)
>>> Variable "list" going out of scope leaks the storage it points to.
103 return 0;
104 DEQ_INSERT_TAIL(list->item_list, item);
105 cursor = next;
106 } while (cursor && *cursor);
107
108 return list;
** CID 142337: Null pointer dereferences (FORWARD_NULL)
/home/gmurthy/opensource/dispatch/src/server.c: 564 in decorate_connection()
________________________________________________________________________________________________________
*** CID 142337: Null pointer dereferences (FORWARD_NULL)
/home/gmurthy/opensource/dispatch/src/server.c: 564 in decorate_connection()
558 if (config && config->inter_router_cost > 1) {
559 pn_data_put_symbol(pn_connection_properties(conn),
560
pn_bytes(strlen(QD_CONNECTION_PROPERTY_COST_KEY),
QD_CONNECTION_PROPERTY_COST_KEY));
561 pn_data_put_int(pn_connection_properties(conn),
config->inter_router_cost);
562 }
563
>>> CID 142337: Null pointer dereferences (FORWARD_NULL)
>>> Dereferencing null pointer "config".
564 qd_failover_list_t *fol = config->failover_list;
565 if (fol) {
566 pn_data_put_symbol(pn_connection_properties(conn),
567
pn_bytes(strlen(QD_CONNECTION_PROPERTY_FAILOVER_LIST_KEY),
QD_CONNECTION_PROPERTY_FAILOVER_LIST_KEY));
568 pn_data_put_list(pn_connection_properties(conn));
569 pn_data_enter(pn_connection_properties(conn));
** CID 142336: API usage errors (CHAR_IO)
/home/gmurthy/opensource/dispatch/src/connection_manager.c: 444 in
qd_dispatch_configure_ssl_profile()
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*** CID 142336: API usage errors (CHAR_IO)
/home/gmurthy/opensource/dispatch/src/connection_manager.c: 444 in
qd_dispatch_configure_ssl_profile()
438 char buffer[200];
439
440 char c;
441 int i=0;
442
443 while(true) {
>>> CID 142336: API usage errors (CHAR_IO)
>>> Assigning the return value of "fgetc" to char "c" truncates its value.
444 c = fgetc(file);
445 if(c == EOF || c == '\n')
446 break;
447 buffer[i++] = c;
448 }
449
** CID 142335: (ATOMICITY)
/home/gmurthy/opensource/dispatch/src/router_core/connections.c: 279 in
qdr_connection_process()
/home/gmurthy/opensource/dispatch/src/router_core/connections.c: 283 in
qdr_connection_process()
/home/gmurthy/opensource/dispatch/src/router_core/connections.c: 279 in
qdr_connection_process()
/home/gmurthy/opensource/dispatch/src/router_core/connections.c: 283 in
qdr_connection_process()
________________________________________________________________________________________________________
*** CID 142335: (ATOMICITY)
/home/gmurthy/opensource/dispatch/src/router_core/connections.c: 279 in
qdr_connection_process()
273 free_qdr_link_t(link);
274 break;
275 }
276
277 sys_mutex_lock(conn->work_lock);
278 if (link_work->work_type == QDR_LINK_WORK_DELIVERY &&
link_work->value > 0) {
>>> CID 142335: (ATOMICITY)
>>> Using an unreliable value of "link_work" inside the second locked
>>> section. If the data that "link_work" depends on was changed by another
>>> thread, this use might be incorrect.
279 DEQ_INSERT_HEAD(link->work_list, link_work);
280 link_work = 0; // Halt work processing
281 } else {
282 qdr_error_free(link_work->error);
283 free_qdr_link_work_t(link_work);
284 link_work = DEQ_HEAD(link->work_list);
/home/gmurthy/opensource/dispatch/src/router_core/connections.c: 283 in
qdr_connection_process()
277 sys_mutex_lock(conn->work_lock);
278 if (link_work->work_type == QDR_LINK_WORK_DELIVERY &&
link_work->value > 0) {
279 DEQ_INSERT_HEAD(link->work_list, link_work);
280 link_work = 0; // Halt work processing
281 } else {
282 qdr_error_free(link_work->error);
>>> CID 142335: (ATOMICITY)
>>> Using an unreliable value of "link_work" inside the second locked
>>> section. If the data that "link_work" depends on was changed by another
>>> thread, this use might be incorrect.
283 free_qdr_link_work_t(link_work);
284 link_work = DEQ_HEAD(link->work_list);
285 if (link_work)
286 DEQ_REMOVE_HEAD(link->work_list);
287 }
288 sys_mutex_unlock(conn->work_lock);
/home/gmurthy/opensource/dispatch/src/router_core/connections.c: 279 in
qdr_connection_process()
273 free_qdr_link_t(link);
274 break;
275 }
276
277 sys_mutex_lock(conn->work_lock);
278 if (link_work->work_type == QDR_LINK_WORK_DELIVERY &&
link_work->value > 0) {
>>> CID 142335: (ATOMICITY)
>>> Using an unreliable value of "link_work" inside the second locked
>>> section. If the data that "link_work" depends on was changed by another
>>> thread, this use might be incorrect.
279 DEQ_INSERT_HEAD(link->work_list, link_work);
280 link_work = 0; // Halt work processing
281 } else {
282 qdr_error_free(link_work->error);
283 free_qdr_link_work_t(link_work);
284 link_work = DEQ_HEAD(link->work_list);
/home/gmurthy/opensource/dispatch/src/router_core/connections.c: 283 in
qdr_connection_process()
277 sys_mutex_lock(conn->work_lock);
278 if (link_work->work_type == QDR_LINK_WORK_DELIVERY &&
link_work->value > 0) {
279 DEQ_INSERT_HEAD(link->work_list, link_work);
280 link_work = 0; // Halt work processing
281 } else {
282 qdr_error_free(link_work->error);
>>> CID 142335: (ATOMICITY)
>>> Using an unreliable value of "link_work" inside the second locked
>>> section. If the data that "link_work" depends on was changed by another
>>> thread, this use might be incorrect.
283 free_qdr_link_work_t(link_work);
284 link_work = DEQ_HEAD(link->work_list);
285 if (link_work)
286 DEQ_REMOVE_HEAD(link->work_list);
287 }
288 sys_mutex_unlock(conn->work_lock);
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