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https://issues.apache.org/jira/browse/DISPATCH-2037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17384949#comment-17384949
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ASF GitHub Bot commented on DISPATCH-2037:
------------------------------------------
ganeshmurthy closed pull request #1306:
URL: https://github.com/apache/qpid-dispatch/pull/1306
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> [http2] Thread race accessing qdr_http2_connection_t pings in
> system_tests_http2
> --------------------------------------------------------------------------------
>
> Key: DISPATCH-2037
> URL: https://issues.apache.org/jira/browse/DISPATCH-2037
> Project: Qpid Dispatch
> Issue Type: Bug
> Affects Versions: 1.16.0
> Reporter: Jiri Daněk
> Assignee: Ganesh Murthy
> Priority: Major
> Labels: race-condition, tsan
> Fix For: 1.17.0
>
>
> https://travis-ci.com/github/apache/qpid-dispatch/jobs/496286761#L6889
> {noformat}
> 68: WARNING: ThreadSanitizer: data race (pid=16868)
> 68: Read of size 8 at 0x7b4800005fb0 by thread T4:
> 68: #0 egress_conn_ping_sender
> /home/travis/build/apache/qpid-dispatch/src/adaptors/http2/http2_adaptor.c:2228
> (libqpid-dispatch.so+0xf3c6d)
> 68: #1 egress_conn_ping_sender
> /home/travis/build/apache/qpid-dispatch/src/adaptors/http2/http2_adaptor.c:2206
> (libqpid-dispatch.so+0xf3c6d)
> 68: #2 qd_timer_visit
> /home/travis/build/apache/qpid-dispatch/src/timer.c:205
> (libqpid-dispatch.so+0xefbd7)
> 68: #3 handle /home/travis/build/apache/qpid-dispatch/src/server.c:1008
> (libqpid-dispatch.so+0xea5de)
> 68: #4 thread_run
> /home/travis/build/apache/qpid-dispatch/src/server.c:1122
> (libqpid-dispatch.so+0xec477)
> 68: #5 _thread_init
> /home/travis/build/apache/qpid-dispatch/src/posix/threading.c:174
> (libqpid-dispatch.so+0x94e86)
> 68: #6 <null> <null> (libtsan.so.0+0x2d1af)
> 68:
> 68: Previous write of size 8 at 0x7b4800005fb0 by thread T3:
> 68: #0 handle_connection_event
> /home/travis/build/apache/qpid-dispatch/src/adaptors/http2/http2_adaptor.c:2447
> (libqpid-dispatch.so+0xfe9fd)
> 68: #1 handle_event_with_context
> /home/travis/build/apache/qpid-dispatch/src/server.c:804
> (libqpid-dispatch.so+0xea569)
> 68: #2 do_handle_raw_connection_event
> /home/travis/build/apache/qpid-dispatch/src/server.c:810
> (libqpid-dispatch.so+0xea569)
> 68: #3 handle /home/travis/build/apache/qpid-dispatch/src/server.c:1090
> (libqpid-dispatch.so+0xea569)
> 68: #4 thread_run
> /home/travis/build/apache/qpid-dispatch/src/server.c:1122
> (libqpid-dispatch.so+0xec477)
> 68: #5 _thread_init
> /home/travis/build/apache/qpid-dispatch/src/posix/threading.c:174
> (libqpid-dispatch.so+0x94e86)
> 68: #6 <null> <null> (libtsan.so.0+0x2d1af)
> 68:
> 68: Location is heap block of size 384 at 0x7b4800005e80 allocated by main
> thread:
> 68: #0 posix_memalign <null> (libtsan.so.0+0x3048d)
> 68: #1 qd_alloc
> /home/travis/build/apache/qpid-dispatch/src/alloc_pool.c:395
> (libqpid-dispatch.so+0x5f5d4)
> 68: #2 new_qdr_http2_connection_t
> /home/travis/build/apache/qpid-dispatch/src/adaptors/http2/http2_adaptor.c:52
> (libqpid-dispatch.so+0xf66c5)
> 68: #3 qdr_http_connection_egress
> /home/travis/build/apache/qpid-dispatch/src/adaptors/http2/http2_adaptor.c:2312
> (libqpid-dispatch.so+0xfece5)
> 68: #4 qd_http2_configure_connector
> /home/travis/build/apache/qpid-dispatch/src/adaptors/http2/http2_adaptor.c:2584
> (libqpid-dispatch.so+0xffdfc)
> 68: #5 qd_dispatch_configure_http_connector
> /home/travis/build/apache/qpid-dispatch/src/adaptors/http_common.c:172
> (libqpid-dispatch.so+0x3eebd)
> 68: #6 <null> <null> (libffi.so.7+0x6ff4)
> 68: #7 main_process
> /home/travis/build/apache/qpid-dispatch/router/src/main.c:97
> (qdrouterd+0x2bb2)
> 68: #8 main /home/travis/build/apache/qpid-dispatch/router/src/main.c:369
> (qdrouterd+0x2882)
> 68:
> 68: Thread T4 (tid=16873, running) created by main thread at:
> 68: #0 pthread_create <null> (libtsan.so.0+0x5ea99)
> 68: #1 sys_thread
> /home/travis/build/apache/qpid-dispatch/src/posix/threading.c:183
> (libqpid-dispatch.so+0x95442)
> 68: #2 qd_server_run
> /home/travis/build/apache/qpid-dispatch/src/server.c:1485
> (libqpid-dispatch.so+0xeceda)
> 68: #3 main_process
> /home/travis/build/apache/qpid-dispatch/router/src/main.c:115
> (qdrouterd+0x2c27)
> 68: #4 main /home/travis/build/apache/qpid-dispatch/router/src/main.c:369
> (qdrouterd+0x2882)
> 68:
> 68: Thread T3 (tid=16872, running) created by main thread at:
> 68: #0 pthread_create <null> (libtsan.so.0+0x5ea99)
> 68: #1 sys_thread
> /home/travis/build/apache/qpid-dispatch/src/posix/threading.c:183
> (libqpid-dispatch.so+0x95442)
> 68: #2 qd_server_run
> /home/travis/build/apache/qpid-dispatch/src/server.c:1485
> (libqpid-dispatch.so+0xeceda)
> 68: #3 main_process
> /home/travis/build/apache/qpid-dispatch/router/src/main.c:115
> (qdrouterd+0x2c27)
> 68: #4 main /home/travis/build/apache/qpid-dispatch/router/src/main.c:369
> (qdrouterd+0x2882)
> 68:
> 68: SUMMARY: ThreadSanitizer: data race
> /home/travis/build/apache/qpid-dispatch/src/adaptors/http2/http2_adaptor.c:2228
> in egress_conn_ping_sender
> 68: ==================
> 68: ThreadSanitizer: reported 1 warnings
> {noformat}
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