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https://issues.apache.org/jira/browse/DISPATCH-2175?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17364305#comment-17364305
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Gordon Sim commented on DISPATCH-2175:
--------------------------------------
This looks like it might be a proton issue?
> Data race in system_tests_tcp_adaptor involving listener_final_free,
> qd_dispatch_delete_tcp_listener, pn_listener_close
> -----------------------------------------------------------------------------------------------------------------------
>
> Key: DISPATCH-2175
> URL: https://issues.apache.org/jira/browse/DISPATCH-2175
> Project: Qpid Dispatch
> Issue Type: Bug
> Affects Versions: 1.17.0
> Reporter: Jiri Daněk
> Priority: Major
> Labels: race-condition, tsan
>
> https://github.com/jiridanek/qpid-dispatch/runs/2838892781?check_suite_focus=true#step:25:3147
> {noformat}
> 71: WARNING: ThreadSanitizer: data race (pid=4187)
> 71: Write of size 8 at 0x7b680000fc28 by thread T4:
> 71: #0 free <null> (libtsan.so.0+0x37a28)
> 71: #1 listener_final_free
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:1584
> (libqpid-proton-proactor.so.1+0x8650)
> 71: #2 pn_listener_free
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:1602
> (libqpid-proton-proactor.so.1+0x8650)
> 71: #3 listener_done
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:1804
> (libqpid-proton-proactor.so.1+0xc31f)
> 71: #4 pn_proactor_done
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2684
> (libqpid-proton-proactor.so.1+0xc31f)
> 71: #5 thread_run
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1139
> (libqpid-dispatch.so+0xf6094)
> 71: #6 _thread_init
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/posix/threading.c:172
> (libqpid-dispatch.so+0x968c2)
> 71:
> 71: Previous read of size 8 at 0x7b680000fc28 by thread T3 (mutexes: write
> M13):
> 71: #0 pn_listener_close
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:1651
> (libqpid-proton-proactor.so.1+0x9404)
> 71: #1 qd_dispatch_delete_tcp_listener
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/adaptors/tcp_adaptor.c:1204
> (libqpid-dispatch.so+0x5af7e)
> 71: #2 ffi_call_unix64 <null> (libffi.so.6+0x6c03)
> 71: #3 qdr_forward_on_message
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/forwarder.c:336
> (libqpid-dispatch.so+0xbd5bc)
> 71: #4 qdr_general_handler
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/router_core/router_core.c:942
> (libqpid-dispatch.so+0xc6c2b)
> 71: #5 qd_timer_visit
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/timer.c:317
> (libqpid-dispatch.so+0xf7b9d)
> 71: #6 handle
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1006
> (libqpid-dispatch.so+0xf1bae)
> 71: #7 thread_run
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1121
> (libqpid-dispatch.so+0xf60c5)
> 71: #8 _thread_init
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/posix/threading.c:172
> (libqpid-dispatch.so+0x968c2)
> 71:
> 71: Mutex M13 (0x7b1000000300) created at:
> 71: #0 pthread_mutex_init <null> (libtsan.so.0+0x49603)
> 71: #1 sys_mutex
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/posix/threading.c:43
> (libqpid-dispatch.so+0x9691c)
> 71: #2 qd_python_initialize
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/python_embedded.c:54
> (libqpid-dispatch.so+0x98eac)
> 71: #3 qd_dispatch
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/dispatch.c:111
> (libqpid-dispatch.so+0x76af5)
> 71: #4 main_process
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:92
> (qdrouterd+0x4027b9)
> 71: #5 main
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369
> (qdrouterd+0x4024fc)
> 71:
> 71: Thread T4 (tid=4192, running) created by main thread at:
> 71: #0 pthread_create <null> (libtsan.so.0+0x5bf45)
> 71: #1 sys_thread
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/posix/threading.c:181
> (libqpid-dispatch.so+0x96d5e)
> 71: #2 qd_server_run
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1499
> (libqpid-dispatch.so+0xf6302)
> 71: #3 main_process
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:115
> (qdrouterd+0x40287c)
> 71: #4 main
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369
> (qdrouterd+0x4024fc)
> 71:
> 71: Thread T3 (tid=4191, running) created by main thread at:
> 71: #0 pthread_create <null> (libtsan.so.0+0x5bf45)
> 71: #1 sys_thread
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/posix/threading.c:181
> (libqpid-dispatch.so+0x96d5e)
> 71: #2 qd_server_run
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1499
> (libqpid-dispatch.so+0xf6302)
> 71: #3 main_process
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:115
> (qdrouterd+0x40287c)
> 71: #4 main
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369
> (qdrouterd+0x4024fc)
> 71:
> 71: SUMMARY: ThreadSanitizer: data race (/lib64/libtsan.so.0+0x37a28) in free
> 71: ==================
> 71: ThreadSanitizer: reported 1 warnings
> {noformat}
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