[DISPATCH-2012] [tsan] data race warning in qdr_link_process_initial_delivery_CT

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.15.0
• Fix Version/s: 1.16.0
• Component/s: Protocol Adaptors
• Assignee: Ganesh Murthy
• Reporter: Ganesh Murthy
• Created: 19/Mar/21 14:45
• Updated: 01/Nov/21 11:59
• Resolved: 23/Mar/21 16:15

Description

72: WARNING: ThreadSanitizer: data race (pid=1013398)
72:   Write of size 8 at 0x7b5000029bb0 by thread T1:
72:     #0 qdr_link_process_initial_delivery_CT /home/gmurthy/opensource/qpid-dispatch/src/router_core/connections.c:1652 (libqpid-dispatch.so+0xca2c4)
72:     #1 qdr_link_inbound_first_attach_CT /home/gmurthy/opensource/qpid-dispatch/src/router_core/connections.c:1781 (libqpid-dispatch.so+0xcad28)
72:     #2 router_core_thread /home/gmurthy/opensource/qpid-dispatch/src/router_core/router_core_thread.c:239 (libqpid-dispatch.so+0xf7ff0)
72:     #3 _thread_init /home/gmurthy/opensource/qpid-dispatch/src/posix/threading.c:172 (libqpid-dispatch.so+0xaac44)
72:     #4 <null> <null> (libtsan.so.0+0x2d18f)
72: 
72:   Previous read of size 8 at 0x7b5000029bb0 by thread T2:
72:     #0 qdr_delivery_decref /home/gmurthy/opensource/qpid-dispatch/src/router_core/delivery.c:140 (libqpid-dispatch.so+0xd3bbc)
72:     #1 qdr_tcp_open_server_side_connection /home/gmurthy/opensource/qpid-dispatch/src/adaptors/tcp_adaptor.c:784 (libqpid-dispatch.so+0x61092)
72:     #2 handle_connection_event /home/gmurthy/opensource/qpid-dispatch/src/adaptors/tcp_adaptor.c:621 (libqpid-dispatch.so+0x600a9)
72:     #3 handle_event_with_context /home/gmurthy/opensource/qpid-dispatch/src/server.c:804 (libqpid-dispatch.so+0x12b61c)
72:     #4 do_handle_raw_connection_event /home/gmurthy/opensource/qpid-dispatch/src/server.c:810 (libqpid-dispatch.so+0x12b66e)
72:     #5 handle /home/gmurthy/opensource/qpid-dispatch/src/server.c:1090 (libqpid-dispatch.so+0x12ced7)
72:     #6 thread_run /home/gmurthy/opensource/qpid-dispatch/src/server.c:1122 (libqpid-dispatch.so+0x12d02b)
72:     #7 _thread_init /home/gmurthy/opensource/qpid-dispatch/src/posix/threading.c:172 (libqpid-dispatch.so+0xaac44)
72:     #8 <null> <null> (libtsan.so.0+0x2d18f)
72: 
72:   Location is heap block of size 512 at 0x7b5000029a00 allocated by thread T3:
72:     #0 posix_memalign <null> (libtsan.so.0+0x301df)
72:     #1 qd_alloc /home/gmurthy/opensource/qpid-dispatch/src/alloc_pool.c:389 (libqpid-dispatch.so+0x68895)
72:     #2 new_qdr_delivery_t /home/gmurthy/opensource/qpid-dispatch/src/router_core/delivery.c:23 (libqpid-dispatch.so+0xd33f9)
72:     #3 qdr_link_deliver_to_routed_link /home/gmurthy/opensource/qpid-dispatch/src/router_core/transfer.c:115 (libqpid-dispatch.so+0x100d90)
72:     #4 AMQP_rx_handler /home/gmurthy/opensource/qpid-dispatch/src/router_node.c:619 (libqpid-dispatch.so+0x120391)
72:     #5 do_receive /home/gmurthy/opensource/qpid-dispatch/src/container.c:223 (libqpid-dispatch.so+0x7850a)
72:     #6 qd_container_handle_event /home/gmurthy/opensource/qpid-dispatch/src/container.c:733 (libqpid-dispatch.so+0x7aabe)
72:     #7 handle /home/gmurthy/opensource/qpid-dispatch/src/server.c:1097 (libqpid-dispatch.so+0x12cf28)
72:     #8 thread_run /home/gmurthy/opensource/qpid-dispatch/src/server.c:1122 (libqpid-dispatch.so+0x12d02b)
72:     #9 _thread_init /home/gmurthy/opensource/qpid-dispatch/src/posix/threading.c:172 (libqpid-dispatch.so+0xaac44)
72:     #10 <null> <null> (libtsan.so.0+0x2d18f) 

Issue Links

• is duplicated by: DISPATCH-1919 Thread race accessing qdr_delivery_t->conn_id and ->link_id
• is related to: DISPATCH-2134 qdr_link_process_initial_delivery_CT race clearing link pointer
• is related to: DISPATCH-2245 [TSan] data race in qdr_link_process_deliveries during system_tests_delivery_counts