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https://issues.apache.org/jira/browse/DISPATCH-2180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17386373#comment-17386373
 ] 

Ken Giusti commented on DISPATCH-2180:
--------------------------------------

Seen again today:

 

26: WARNING: ThreadSanitizer: data race (pid=12748)
26: Write of size 8 at 0x7b4000013d00 by main thread:
26: #0 qd_dealloc /home/travis/build/apache/qpid-dispatch/src/alloc_pool.c:477 
(qdrouterd+0x54c25)
26: #1 free_qd_message_t 
/home/travis/build/apache/qpid-dispatch/src/message.c:91 (qdrouterd+0x76daf)
26: #2 qd_message_free 
/home/travis/build/apache/qpid-dispatch/src/message.c:1126 (qdrouterd+0x76daf)
26: #3 qdr_do_message_to_addr_free 
/home/travis/build/apache/qpid-dispatch/src/router_core/router_core_thread.c:102
 (qdrouterd+0xbedec)
26: #4 qdr_general_handler 
/home/travis/build/apache/qpid-dispatch/src/router_core/router_core.c:942 
(qdrouterd+0xb8589)
26: #5 qd_timer_visit /home/travis/build/apache/qpid-dispatch/src/timer.c:315 
(qdrouterd+0xe7aa2)
26: #6 handle /home/travis/build/apache/qpid-dispatch/src/server.c:1018 
(qdrouterd+0xe306e)
26: #7 thread_run /home/travis/build/apache/qpid-dispatch/src/server.c:1133 
(qdrouterd+0xe4ad7)
26: #8 qd_server_run /home/travis/build/apache/qpid-dispatch/src/server.c:1524 
(qdrouterd+0xe566f)
26: #9 main_process 
/home/travis/build/apache/qpid-dispatch/router/src/main.c:115 
(qdrouterd+0x2dc57)
26: #10 main /home/travis/build/apache/qpid-dispatch/router/src/main.c:369 
(qdrouterd+0x2d0b2)
26: 
26: Previous read of size 8 at 0x7b4000013d00 by thread T2:
26: #0 qd_alloc_sequence 
/home/travis/build/apache/qpid-dispatch/src/alloc_pool.c:525 (qdrouterd+0x55464)
26: #1 qd_alloc_deref_safe_ptr 
/home/travis/build/apache/qpid-dispatch/include/qpid/dispatch/alloc_pool.h:102 
(qdrouterd+0x664b3)
26: #2 cleanup_link /home/travis/build/apache/qpid-dispatch/src/container.c:358 
(qdrouterd+0x664b3)
26: #3 qd_link_free 
/home/travis/build/apache/qpid-dispatch/src/container.c:1001 (qdrouterd+0x66649)
26: #4 qd_link_free /home/travis/build/apache/qpid-dispatch/src/container.c:992 
(qdrouterd+0x680f6)
26: #5 AMQP_link_detach_handler 
/home/travis/build/apache/qpid-dispatch/src/router_node.c:1146 
(qdrouterd+0xdd211)
26: #6 AMQP_link_detach_handler 
/home/travis/build/apache/qpid-dispatch/src/router_node.c:1095 
(qdrouterd+0xdd211)
26: #7 close_links /home/travis/build/apache/qpid-dispatch/src/container.c:336 
(qdrouterd+0x66739)
26: #8 qd_container_handle_event 
/home/travis/build/apache/qpid-dispatch/src/container.c:529 (qdrouterd+0x69583)
26: #9 handle /home/travis/build/apache/qpid-dispatch/src/server.c:1108 
(qdrouterd+0xe2fa1)
26: #10 thread_run /home/travis/build/apache/qpid-dispatch/src/server.c:1133 
(qdrouterd+0xe49d8)
26: #11 _thread_init 
/home/travis/build/apache/qpid-dispatch/src/posix/threading.c:172 
(qdrouterd+0x8b541)
26: 
26: Location is heap block of size 256 at 0x7b4000013d00 allocated by thread T1:
26: #0 posix_memalign 
../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:835 
(libtsan.so.0+0x3046d)
26: #1 qd_alloc /home/travis/build/apache/qpid-dispatch/src/alloc_pool.c:396 
(qdrouterd+0x540e4)
26: #2 new_qd_message_t 
/home/travis/build/apache/qpid-dispatch/src/message.c:91 (qdrouterd+0x76adc)
26: #3 qd_message /home/travis/build/apache/qpid-dispatch/src/message.c:1009 
(qdrouterd+0x76adc)
26: #4 _create_message_CT 
/home/travis/build/apache/qpid-dispatch/src/router_core/core_client_api.c:682 
(qdrouterd+0xa597f)
26: #5 _flush_send_queue_CT 
/home/travis/build/apache/qpid-dispatch/src/router_core/core_client_api.c:287 
(qdrouterd+0xa597f)
26: #6 _send_request_CT 
/home/travis/build/apache/qpid-dispatch/src/router_core/core_client_api.c:270 
(qdrouterd+0xa6ed1)
26: #7 qdrc_client_request_CT 
/home/travis/build/apache/qpid-dispatch/src/router_core/core_client_api.c:259 
(qdrouterd+0xa6ed1)
26: #8 qcm_addr_lookup_process_pending_requests_CT 
/home/travis/build/apache/qpid-dispatch/src/router_core/modules/address_lookup_client/lookup_client.c:486
 (qdrouterd+0xd413a)
26: #9 qcm_addr_lookup_CT 
/home/travis/build/apache/qpid-dispatch/src/router_core/modules/address_lookup_client/lookup_client.c:563
 (qdrouterd+0xd4606)
26: #10 qdr_link_inbound_first_attach_CT 
/home/travis/build/apache/qpid-dispatch/src/router_core/connections.c:1783 
(qdrouterd+0x9f00a)
26: #11 router_core_thread 
/home/travis/build/apache/qpid-dispatch/src/router_core/router_core_thread.c:239
 (qdrouterd+0xbfa8f)
26: #12 _thread_init 
/home/travis/build/apache/qpid-dispatch/src/posix/threading.c:172 
(qdrouterd+0x8b541)
26: 
26: Thread T2 (tid=12751, running) created by main thread at:
26: #0 pthread_create 
../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:962 
(libtsan.so.0+0x5ea79)
26: #1 sys_thread 
/home/travis/build/apache/qpid-dispatch/src/posix/threading.c:181 
(qdrouterd+0x8bb02)
26: #2 qd_server_run /home/travis/build/apache/qpid-dispatch/src/server.c:1522 
(qdrouterd+0xe564a)
26: #3 main_process 
/home/travis/build/apache/qpid-dispatch/router/src/main.c:115 
(qdrouterd+0x2dc57)
26: #4 main /home/travis/build/apache/qpid-dispatch/router/src/main.c:369 
(qdrouterd+0x2d0b2)
26: 
26: Thread T1 (tid=12750, running) created by main thread at:
26: #0 pthread_create 
../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:962 
(libtsan.so.0+0x5ea79)
26: #1 sys_thread 
/home/travis/build/apache/qpid-dispatch/src/posix/threading.c:181 
(qdrouterd+0x8bb02)
26: #2 qdr_core 
/home/travis/build/apache/qpid-dispatch/src/router_core/router_core.c:124 
(qdrouterd+0xb9d4e)
26: #3 qd_router_setup_late 
/home/travis/build/apache/qpid-dispatch/src/router_node.c:2120 
(qdrouterd+0xddaec)
26: #4 <null> <null> (libffi.so.7+0x6ff4)
26: #5 main_process 
/home/travis/build/apache/qpid-dispatch/router/src/main.c:97 (qdrouterd+0x2dbe2)
26: #6 main /home/travis/build/apache/qpid-dispatch/router/src/main.c:369 
(qdrouterd+0x2d0b2)
26: 
26: SUMMARY: ThreadSanitizer: data race 
/home/travis/build/apache/qpid-dispatch/src/alloc_pool.c:477 in qd_dealloc
26: ==================
26: ThreadSanitizer: reported 1 warnings
26: 
26: <<<<
26: 
26: Router EA1 output file:
26: >>>>
26: ==================
26: WARNING: ThreadSanitizer: data race (pid=12748)
26: Write of size 8 at 0x7b4000013d00 by main thread:
26: #0 qd_dealloc /home/travis/build/apache/qpid-dispatch/src/alloc_pool.c:477 
(qdrouterd+0x54c25)
26: #1 free_qd_message_t 
/home/travis/build/apache/qpid-dispatch/src/message.c:91 (qdrouterd+0x76daf)
26: #2 qd_message_free 
/home/travis/build/apache/qpid-dispatch/src/message.c:1126 (qdrouterd+0x76daf)
26: #3 qdr_do_message_to_addr_free 
/home/travis/build/apache/qpid-dispatch/src/router_core/router_core_thread.c:102
 (qdrouterd+0xbedec)
26: #4 qdr_general_handler 
/home/travis/build/apache/qpid-dispatch/src/router_core/router_core.c:942 
(qdrouterd+0xb8589)
26: #5 qd_timer_visit /home/travis/build/apache/qpid-dispatch/src/timer.c:315 
(qdrouterd+0xe7aa2)
26: #6 handle /home/travis/build/apache/qpid-dispatch/src/server.c:1018 
(qdrouterd+0xe306e)
26: #7 thread_run /home/travis/build/apache/qpid-dispatch/src/server.c:1133 
(qdrouterd+0xe4ad7)
26: #8 qd_server_run /home/travis/build/apache/qpid-dispatch/src/server.c:1524 
(qdrouterd+0xe566f)
26: #9 main_process 
/home/travis/build/apache/qpid-dispatch/router/src/main.c:115 
(qdrouterd+0x2dc57)
26: #10 main /home/travis/build/apache/qpid-dispatch/router/src/main.c:369 
(qdrouterd+0x2d0b2)
26: 
26: Previous read of size 8 at 0x7b4000013d00 by thread T2:
26: #0 qd_alloc_sequence 
/home/travis/build/apache/qpid-dispatch/src/alloc_pool.c:525 (qdrouterd+0x55464)
26: #1 qd_alloc_deref_safe_ptr 
/home/travis/build/apache/qpid-dispatch/include/qpid/dispatch/alloc_pool.h:102 
(qdrouterd+0x664b3)
26: #2 cleanup_link /home/travis/build/apache/qpid-dispatch/src/container.c:358 
(qdrouterd+0x664b3)
26: #3 qd_link_free 
/home/travis/build/apache/qpid-dispatch/src/container.c:1001 (qdrouterd+0x66649)
26: #4 qd_link_free /home/travis/build/apache/qpid-dispatch/src/container.c:992 
(qdrouterd+0x680f6)
26: #5 AMQP_link_detach_handler 
/home/travis/build/apache/qpid-dispatch/src/router_node.c:1146 
(qdrouterd+0xdd211)
26: #6 AMQP_link_detach_handler 
/home/travis/build/apache/qpid-dispatch/src/router_node.c:1095 
(qdrouterd+0xdd211)
26: #7 close_links /home/travis/build/apache/qpid-dispatch/src/container.c:336 
(qdrouterd+0x66739)
26: #8 qd_container_handle_event 
/home/travis/build/apache/qpid-dispatch/src/container.c:529 (qdrouterd+0x69583)
26: #9 handle /home/travis/build/apache/qpid-dispatch/src/server.c:1108 
(qdrouterd+0xe2fa1)
26: #10 thread_run /home/travis/build/apache/qpid-dispatch/src/server.c:1133 
(qdrouterd+0xe49d8)
26: #11 _thread_init 
/home/travis/build/apache/qpid-dispatch/src/posix/threading.c:172 
(qdrouterd+0x8b541)
26: 
26: Location is heap block of size 256 at 0x7b4000013d00 allocated by thread T1:
26: #0 posix_memalign 
../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:835 
(libtsan.so.0+0x3046d)
26: #1 qd_alloc /home/travis/build/apache/qpid-dispatch/src/alloc_pool.c:396 
(qdrouterd+0x540e4)
26: #2 new_qd_message_t 
/home/travis/build/apache/qpid-dispatch/src/message.c:91 (qdrouterd+0x76adc)
26: #3 qd_message /home/travis/build/apache/qpid-dispatch/src/message.c:1009 
(qdrouterd+0x76adc)
26: #4 _create_message_CT 
/home/travis/build/apache/qpid-dispatch/src/router_core/core_client_api.c:682 
(qdrouterd+0xa597f)
26: #5 _flush_send_queue_CT 
/home/travis/build/apache/qpid-dispatch/src/router_core/core_client_api.c:287 
(qdrouterd+0xa597f)
26: #6 _send_request_CT 
/home/travis/build/apache/qpid-dispatch/src/router_core/core_client_api.c:270 
(qdrouterd+0xa6ed1)
26: #7 qdrc_client_request_CT 
/home/travis/build/apache/qpid-dispatch/src/router_core/core_client_api.c:259 
(qdrouterd+0xa6ed1)
26: #8 qcm_addr_lookup_process_pending_requests_CT 
/home/travis/build/apache/qpid-dispatch/src/router_core/modules/address_lookup_client/lookup_client.c:486
 (qdrouterd+0xd413a)
26: #9 qcm_addr_lookup_CT 
/home/travis/build/apache/qpid-dispatch/src/router_core/modules/address_lookup_client/lookup_client.c:563
 (qdrouterd+0xd4606)
26: #10 qdr_link_inbound_first_attach_CT 
/home/travis/build/apache/qpid-dispatch/src/router_core/connections.c:1783 
(qdrouterd+0x9f00a)
26: #11 router_core_thread 
/home/travis/build/apache/qpid-dispatch/src/router_core/router_core_thread.c:239
 (qdrouterd+0xbfa8f)
26: #12 _thread_init 
/home/travis/build/apache/qpid-dispatch/src/posix/threading.c:172 
(qdrouterd+0x8b541)
26: 
26: Thread T2 (tid=12751, running) created by main thread at:
26: #0 pthread_create 
../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:962 
(libtsan.so.0+0x5ea79)
26: #1 sys_thread 
/home/travis/build/apache/qpid-dispatch/src/posix/threading.c:181 
(qdrouterd+0x8bb02)
26: #2 qd_server_run /home/travis/build/apache/qpid-dispatch/src/server.c:1522 
(qdrouterd+0xe564a)
26: #3 main_process 
/home/travis/build/apache/qpid-dispatch/router/src/main.c:115 
(qdrouterd+0x2dc57)
26: #4 main /home/travis/build/apache/qpid-dispatch/router/src/main.c:369 
(qdrouterd+0x2d0b2)
26: 
26: Thread T1 (tid=12750, running) created by main thread at:
26: #0 pthread_create 
../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:962 
(libtsan.so.0+0x5ea79)
26: #1 sys_thread 
/home/travis/build/apache/qpid-dispatch/src/posix/threading.c:181 
(qdrouterd+0x8bb02)
26: #2 qdr_core 
/home/travis/build/apache/qpid-dispatch/src/router_core/router_core.c:124 
(qdrouterd+0xb9d4e)
26: #3 qd_router_setup_late 
/home/travis/build/apache/qpid-dispatch/src/router_node.c:2120 
(qdrouterd+0xddaec)
26: #4 <null> <null> (libffi.so.7+0x6ff4)
26: #5 main_process 
/home/travis/build/apache/qpid-dispatch/router/src/main.c:97 (qdrouterd+0x2dbe2)
26: #6 main /home/travis/build/apache/qpid-dispatch/router/src/main.c:369 
(qdrouterd+0x2d0b2)
26: 
26: SUMMARY: ThreadSanitizer: data race 
/home/travis/build/apache/qpid-dispatch/src/alloc_pool.c:477 in qd_dealloc
26: ==================
26: ThreadSanitizer: reported 1 warnings

> Data race in qd_alloc_sequence from system_tests_policy_oversize_basic
> ----------------------------------------------------------------------
>
>                 Key: DISPATCH-2180
>                 URL: https://issues.apache.org/jira/browse/DISPATCH-2180
>             Project: Qpid Dispatch
>          Issue Type: Bug
>    Affects Versions: 1.17.0
>            Reporter: Jiri Daněk
>            Priority: Major
>              Labels: race-condition, tsan
>
> This is a PR build, but I think it is unlikely the build changes in PR caused 
> this.
> https://github.com/apache/qpid-dispatch/pull/1267/checks?check_run_id=2872865196#step:25:804
> {noformat}
>  26: Router EA1 output file:
> 26: >>>>
> 26: ==================
> 26: WARNING: ThreadSanitizer: data race (pid=1865)
> 26:   Read of size 8 at 0x7b480001b600 by thread T2:
> 26:     #0 qd_alloc_sequence 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/alloc_pool.c:525
>  (qdrouterd+0x44df98)
> 26:     #1 cleanup_link 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/container.c:359
>  (qdrouterd+0x462da3)
> 26:     #2 qd_link_free 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/container.c:1000
>  (qdrouterd+0x4632b5)
> 26:     #3 qd_link_free 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/container.c:991
>  (qdrouterd+0x463392)
> 26:     #4 AMQP_link_detach_handler 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_node.c:1142
>  (qdrouterd+0x4dc8f1)
> 26:     #5 AMQP_link_detach_handler 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_node.c:1095
>  (qdrouterd+0x4dc8f1)
> 26:     #6 close_links 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/container.c:336
>  (qdrouterd+0x463419)
> 26:     #7 qd_container_handle_event 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/container.c:528
>  (qdrouterd+0x4643f3)
> 26:     #8 handle 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1096 
> (qdrouterd+0x4e1c51)
> 26:     #9 thread_run 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1121 
> (qdrouterd+0x4e3f0b)
> 26:     #10 _thread_init 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/posix/threading.c:172
>  (qdrouterd+0x4868bd)
> 26: 
> 26:   Previous write of size 8 at 0x7b480001b600 by main thread:
> 26:     #0 qd_dealloc 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/alloc_pool.c:477
>  (qdrouterd+0x44d6d6)
> 26:     #1 free_qd_message_t 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/message.c:91 
> (qdrouterd+0x472a1b)
> 26:     #2 qd_message_free 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/message.c:1091
>  (qdrouterd+0x472a1b)
> 26:     #3 qdr_do_message_to_addr_free 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/router_core_thread.c:102
>  (qdrouterd+0x4bcfa6)
> 26:     #4 qdr_general_handler 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/router_core.c:942
>  (qdrouterd+0x4b5bc3)
> 26:     #5 qd_timer_visit 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/timer.c:316 
> (qdrouterd+0x4e6bb5)
> 26:     #6 handle 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1006 
> (qdrouterd+0x4e1be6)
> 26:     #7 thread_run 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1121 
> (qdrouterd+0x4e4005)
> 26:     #8 qd_server_run 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1501 
> (qdrouterd+0x4e4c11)
> 26:     #9 main_process 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:115
>  (qdrouterd+0x426ccc)
> 26:     #10 main 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369
>  (qdrouterd+0x42622c)
> 26: 
> 26:   Location is heap block of size 384 at 0x7b480001b600 allocated by 
> thread T1:
> 26:     #0 posix_memalign <null> (libtsan.so.0+0x32a23)
> 26:     #1 qd_alloc 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/alloc_pool.c:396
>  (qdrouterd+0x44c6d4)
> 26:     #2 new_qd_message_t 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/message.c:91 
> (qdrouterd+0x475a3d)
> 26:     #3 qd_message_copy 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/message.c:1099
>  (qdrouterd+0x475a3d)
> 26:     #4 qdr_forward_on_message_CT 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/forwarder.c:401
>  (qdrouterd+0x4af41b)
> 26:     #5 qdr_forward_to_subscriber_CT 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/forwarder.c:451
>  (qdrouterd+0x4af6ef)
> 26:     #6 qdr_forward_closest_CT 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/forwarder.c:644
>  (qdrouterd+0x4b073b)
> 26:     #7 qdr_forward_message_CT 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/forwarder.c:1120
>  (qdrouterd+0x4b22a0)
> 26:     #8 qdr_link_forward_CT 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/transfer.c:572
>  (qdrouterd+0x4c5a43)
> 26:     #9 qdr_link_deliver_CT 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/transfer.c:862
>  (qdrouterd+0x4c6f52)
> 26:     #10 router_core_thread 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/router_core_thread.c:239
>  (qdrouterd+0x4bdcc1)
> 26:     #11 _thread_init 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/posix/threading.c:172
>  (qdrouterd+0x4868bd)
> 26: 
> 26:   Thread T2 (tid=1868, running) created by main thread at:
> 26:     #0 pthread_create <null> (libtsan.so.0+0x5bf45)
> 26:     #1 sys_thread 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/posix/threading.c:181
>  (qdrouterd+0x486d4c)
> 26:     #2 qd_server_run 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1499 
> (qdrouterd+0x4e4bec)
> 26:     #3 main_process 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:115
>  (qdrouterd+0x426ccc)
> 26:     #4 main 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369
>  (qdrouterd+0x42622c)
> 26: 
> 26:   Thread T1 (tid=1867, running) created by main thread at:
> 26:     #0 pthread_create <null> (libtsan.so.0+0x5bf45)
> 26:     #1 sys_thread 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/posix/threading.c:181
>  (qdrouterd+0x486d4c)
> 26:     #2 qdr_core 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/router_core.c:124
>  (qdrouterd+0x4b7170)
> 26:     #3 qd_router_setup_late 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_node.c:2124
>  (qdrouterd+0x4dce28)
> 26:     #4 ffi_call_unix64 <null> (libffi.so.6+0x6c03)
> 26:     #5 main_process 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:97
>  (qdrouterd+0x426c6c)
> 26:     #6 main 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369
>  (qdrouterd+0x42622c)
> 26: 
> 26: SUMMARY: ThreadSanitizer: data race 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/alloc_pool.c:525
>  in qd_alloc_sequence
> 26: ==================
> 26: ThreadSanitizer: reported 1 warnings
> 26: 
> 26: <<<<
> 26: 
> 26: Router EA1 command file:
> 26: >>>>
> 26: qdrouterd -c EA1.conf -I 
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/python
> 26: pid=1865
> 26: 
> 26: <<<<
> 26: 
> 26: Router EA1 log file tail:
> 26: >>>>
> 26: 2021-06-21 07:29:07.882159 +0000 PROTOCOL (trace) [C1]:FRAME: 2 -> 
> @disposition(21) [role=true, first=19, settled=true, state=@accepted(36) []] 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:111)
> 26: 2021-06-21 07:29:07.882322 +0000 PROTOCOL (trace) [C1]:FRAME: 0 -> 
> @detach(22) [handle=2, closed=true] 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:111)
> 26: 2021-06-21 07:29:07.882607 +0000 PROTOCOL (trace) [C19]:FRAME:   -> EOS 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:111)
> 26: 2021-06-21 07:29:07.882774 +0000 POLICY (debug) [C19] Connection 
> '127.0.0.1:58174' closed with resources n_sessions=1, n_senders=0, 
> n_receivers=0, sessions_denied=0, senders_denied=0, receivers_denied=0, 
> max_message_size_denied:4, nConnections= 1. 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/policy.c:318)
> 26: 2021-06-21 07:29:07.886179 +0000 ROUTER_CORE (trace) Core action 
> 'connection_closed' 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/router_core_thread.c:238)
> 26: 2021-06-21 07:29:07.886279 +0000 ROUTER_CORE (info) [C19][L40] Link 
> closed due to connection loss: del=10 presett=0 psdrop=0 acc=10 rej=0 rel=0 
> mod=0 delay1=0 delay10=0 blocked=no 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/connections.c:1082)
> 26: 2021-06-21 07:29:07.886346 +0000 ROUTER_CORE (info) [C19] Connection 
> Closed 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/connections.c:1565)
> 26: 2021-06-21 07:29:07.895274 +0000 PROTOCOL (trace) [C1]:FRAME: 0 <- 
> @detach(22) [handle=2, closed=true] 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:111)
> 26: 2021-06-21 07:29:07.895512 +0000 ROUTER_CORE (trace) Core action 
> 'link_detach' 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/router_core_thread.c:238)
> 26: 2021-06-21 07:29:07.895595 +0000 ROUTER_CORE (info) [C1][L41] Link 
> detached: del=0 presett=0 psdrop=0 acc=0 rej=0 rel=0 mod=0 delay1=0 delay10=0 
> blocked=no 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/connections.c:1082)
> 26: 2021-06-21 07:29:08.316474 +0000 ROUTER_CORE (trace) Core action 
> 'process_tick' 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/router_core_thread.c:238)
> 26: 2021-06-21 07:29:08.328086 +0000 PROTOCOL (trace) [C4]:FRAME: 0 <- 
> @flow(19) [next-incoming-id=2, incoming-window=2147483647, 
> next-outgoing-id=2, outgoing-window=2147483647, handle=1, delivery-count=2, 
> link-credit=1, drain=false] 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:111)
> 26: 2021-06-21 07:29:08.328210 +0000 PROTOCOL (trace) [C4]:FRAME: 0 <- 
> @close(24) [] 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:111)
> 26: 2021-06-21 07:29:08.328290 +0000 PROTOCOL (trace) [C4]:FRAME:   <- EOS 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:111)
> 26: 2021-06-21 07:29:08.328520 +0000 PROTOCOL (trace) [C4]:FRAME: 0 -> 
> @close(24) [] 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:111)
> 26: 2021-06-21 07:29:08.328579 +0000 ROUTER_CORE (trace) Core action 
> 'link_flow' 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/router_core_thread.c:238)
> 26: 2021-06-21 07:29:08.328665 +0000 ROUTER_CORE (trace) Core action 
> 'link_detach' 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/router_core_thread.c:238)
> 26: 2021-06-21 07:29:08.328749 +0000 ROUTER_CORE (info) [C4][L9] Link lost: 
> del=2 presett=0 psdrop=0 acc=2 rej=0 rel=0 mod=0 delay1=0 delay10=0 
> blocked=no 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/connections.c:1082)
> 26: 2021-06-21 07:29:08.328813 +0000 ROUTER_CORE (trace) Core action 
> 'link_detach' 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/router_core_thread.c:238)
> 26: 2021-06-21 07:29:08.328882 +0000 ROUTER_CORE (info) [C4][L10] Link lost: 
> del=2 presett=2 psdrop=0 acc=0 rej=0 rel=0 mod=0 delay1=0 delay10=0 
> blocked=no 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/connections.c:1082)
> 26: 2021-06-21 07:29:08.329618 +0000 PROTOCOL (trace) [C4]:FRAME:   -> EOS 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:111)
> 26: 2021-06-21 07:29:08.329770 +0000 ROUTER_CORE (trace) Core action 
> 'connection_closed' 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/router_core_thread.c:238)
> 26: 2021-06-21 07:29:08.329846 +0000 POLICY (debug) [C4] Connection 
> '127.0.0.1:57890' closed with resources n_sessions=1, n_senders=1, 
> n_receivers=1, sessions_denied=0, senders_denied=0, receivers_denied=0, 
> max_message_size_denied:4, nConnections= 0. 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/policy.c:318)
> 26: 2021-06-21 07:29:08.329914 +0000 ROUTER_CORE (info) [C4] Connection 
> Closed 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/connections.c:1565)
> 26: 2021-06-21 07:29:08.330881 +0000 SERVER (notice) Shut Down 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1508)
> 26: 2021-06-21 07:29:08.330983 +0000 HTTP (trace) lws_context_destroy: ctx 
> 0x7b8c00000000 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/http-libwebsockets.c:58)
> 26: 2021-06-21 07:29:08.331079 +0000 HTTP (trace) _lws_state_transition: 
> system: changed 1 'CONTEXT_CREATED' -> 13 'POLICY_INVALID' 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/http-libwebsockets.c:58)
> 26: 2021-06-21 07:29:08.331143 +0000 HTTP (trace) lws_destroy_event_pipe 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/http-libwebsockets.c:58)
> 26: 2021-06-21 07:29:08.331208 +0000 HTTP (trace) lws_pt_destroy: pt 
> destroyed 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/http-libwebsockets.c:58)
> 26: 2021-06-21 07:29:08.331261 +0000 HTTP (trace) lws_context_destroy2: ctx 
> 0x7b8c00000000 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/http-libwebsockets.c:58)
> 26: 2021-06-21 07:29:08.331310 +0000 HTTP (trace) 0x7f3883ade9e0: post vh 
> listl 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/http-libwebsockets.c:58)
> 26: 2021-06-21 07:29:08.331358 +0000 HTTP (trace) 0x7f3883ade9e0: post pdl 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/http-libwebsockets.c:58)
> 26: 2021-06-21 07:29:08.334179 +0000 HTTP (trace) 0x7f3883ade9e0: baggage 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/http-libwebsockets.c:58)
> 26: 2021-06-21 07:29:08.334243 +0000 HTTP (trace) 0x7f3883ade9e0: post dc2 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/http-libwebsockets.c:58)
> 26: 2021-06-21 07:29:08.337107 +0000 HTTP (trace) lws_context_destroy3: ctx 
> 0x7b8c00000000 freed 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/http-libwebsockets.c:58)
> 26: 2021-06-21 07:29:08.337321 +0000 CONTAINER (trace) Default node removed 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/container.c:852)
> 26: 2021-06-21 07:29:08.337509 +0000 ROUTER_CORE (info) Router Core thread 
> exited 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/router_core_thread.c:259)
> 26: 2021-06-21 07:29:08.337713 +0000 TCP_ADAPTOR (info) Shutting down TCP 
> protocol adaptor 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/adaptors/tcp_adaptor.c:1760)
> 26: 2021-06-21 07:29:08.338504 +0000 ROUTER_CORE (trace) Core client sender 
> detached c=0x7b4800015e10 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/core_client_api.c:581)
> 26: 2021-06-21 07:29:08.338573 +0000 ROUTER_CORE (trace) edge mgmt client 
> state change: uc=(nil) down 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/modules/edge_router/edge_mgmt.c:139)
> 26: 2021-06-21 07:29:08.338642 +0000 ROUTER_CORE (trace) Core client receiver 
> detached c=0x7b4800015e10 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/core_client_api.c:614)
> 26: 2021-06-21 07:29:08.338701 +0000 ROUTER_CORE (trace) Core client sender 
> detached c=0x7b4800015c90 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/core_client_api.c:581)
> 26: 2021-06-21 07:29:08.338773 +0000 ROUTER_CORE (trace) Core client receiver 
> detached c=0x7b4800015c90 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/core_client_api.c:614)
> 26: 2021-06-21 07:29:08.338859 +0000 ROUTER_CORE (info) Finalizing core 
> module: streaming_link_scrubber 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/router_core_thread.c:138)
> 26: 2021-06-21 07:29:08.338919 +0000 ROUTER_CORE (info) Finalizing core 
> module: stuck_delivery_detection 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/router_core_thread.c:138)
> 26: 2021-06-21 07:29:08.338969 +0000 ROUTER_CORE (info) Finalizing core 
> module: address_lookup_client 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/router_core_thread.c:138)
> 26: 2021-06-21 07:29:08.339032 +0000 ROUTER_CORE (trace) Core client freed 
> c=0x7b4800015c90 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/core_client_api.c:224)
> 26: 2021-06-21 07:29:08.339101 +0000 ROUTER_CORE (info) Finalizing core 
> module: edge_router 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/router_core_thread.c:138)
> 26: 2021-06-21 07:29:08.339161 +0000 ROUTER_CORE (trace) Core client freed 
> c=0x7b4800015e10 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/core_client_api.c:224)
> 26: 2021-06-21 07:29:08.339387 +0000 SERVER (info) [C1] Closing connection on 
> shutdown 
> (/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1388)
> 26: 
> 26: <<<<
> 26: 
> 26: ::MaxMessageSizeBlockOversize::test_s32_allow_gt_signed_32bit_max ERROR
> {noformat}



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