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Posted to dev@qpid.apache.org by "Ken Giusti (Jira)" <ji...@apache.org> on 2021/08/10 21:09:00 UTC
[jira] [Updated] (DISPATCH-2132) core->uptime_ticks races
[ https://issues.apache.org/jira/browse/DISPATCH-2132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ken Giusti updated DISPATCH-2132:
---------------------------------
Fix Version/s: (was: 1.17.0)
1.18.0
> 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: 1.18.0
>
>
> 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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