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https://issues.apache.org/jira/browse/DISPATCH-2132?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17487805#comment-17487805
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ASF GitHub Bot commented on DISPATCH-2132:
------------------------------------------
asfgit closed pull request #1501:
URL: https://github.com/apache/qpid-dispatch/pull/1501
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> core->uptime_ticks races
> ------------------------
>
> Key: DISPATCH-2132
> URL: https://issues.apache.org/jira/browse/DISPATCH-2132
> Project: Qpid Dispatch
> Issue Type: Bug
> Components: Router Node
> Affects Versions: 1.16.0
> Reporter: Ken Giusti
> Assignee: Ken Giusti
> Priority: Minor
> Labels: race-condition, tsan
> Fix For: 1.19.0
>
>
> TSAN flags many races while accessing core->uptime_ticks. Likely harmless.
> Replace core->uptime_ticks with atomic integer.
>
> Example:
> 30: WARNING: ThreadSanitizer: data race (pid=632294)
> 30: Read of size 4 at 0x7b64000352c8 by thread T3:
> 30: #0 qdr_link_first_attach
> /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/connections.c:608
> (libqpid-dispatch.so+0xc5ee8)
> 30: #1 AMQP_incoming_link_handler
> /home/kgiusti/work/dispatch/qpid-dispatch/src/router_node.c:985
> (libqpid-dispatch.so+0x1247f4)
> 30: #2 setup_incoming_link
> /home/kgiusti/work/dispatch/qpid-dispatch/src/container.c:205
> (libqpid-dispatch.so+0x7a7f8)
> 30: #3 qd_container_handle_event
> /home/kgiusti/work/dispatch/qpid-dispatch/src/container.c:670
> (libqpid-dispatch.so+0x7c935)
> 30: #4 handle /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:1096
> (libqpid-dispatch.so+0x130537)
> 30: #5 thread_run /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:1121
> (libqpid-dispatch.so+0x13063a)
> 30: #6 _thread_init
> /home/kgiusti/work/dispatch/qpid-dispatch/src/posix/threading.c:172
> (libqpid-dispatch.so+0xad37a)
> 30: #7 <null> <null> (libtsan.so.0+0x2d33f)
> 30:
> 30: Previous write of size 4 at 0x7b64000352c8 by thread T1:
> 30: #0 qdr_process_tick_CT
> /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/core_timer.c:111
> (libqpid-dispatch.so+0x10a860)
> 30: #1 router_core_thread
> /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/router_core_thread.c:239
> (libqpid-dispatch.so+0xfb2ae)
> 30: #2 _thread_init
> /home/kgiusti/work/dispatch/qpid-dispatch/src/posix/threading.c:172
> (libqpid-dispatch.so+0xad37a)
> 30: #3 <null> <null> (libtsan.so.0+0x2d33f)
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