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Posted to dev@qpid.apache.org by "Ganesh Murthy (Jira)" <ji...@apache.org> on 2021/11/02 19:15:00 UTC
[jira] [Updated] (DISPATCH-2138) qdr_link_t->detach_received flag
race
[ https://issues.apache.org/jira/browse/DISPATCH-2138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ganesh Murthy updated DISPATCH-2138:
------------------------------------
Fix Version/s: (was: 1.18.0)
1.19.0
> qdr_link_t->detach_received flag race
> -------------------------------------
>
> Key: DISPATCH-2138
> URL: https://issues.apache.org/jira/browse/DISPATCH-2138
> Project: Qpid Dispatch
> Issue Type: Bug
> Components: Router Node
> Affects Versions: 1.16.0
> Reporter: Ken Giusti
> Assignee: Ken Giusti
> Priority: Major
> Labels: race-condition, tsan
> Fix For: 1.19.0
>
>
> Race between I/O thread and Core over reading/writing the qdr_link_t->detach_received flag:
>
> -DCMAKE_BUILD_TYPE=RelWithDebInfo
> -DRUNTIME_CHECK=tsan
> ctest -V -R system_tests_one_router:
> 21: WARNING: ThreadSanitizer: data race (pid=14179)
> 21: Read of size 1 at 0x7b540012c172 by thread T3 (mutexes: write M548167088305615232):
> 21: #0 qdr_connection_process /home/travis/build/apache/qpid-dispatch/src/router_core/connections.c:441 (libqpid-dispatch.so+0xa81a7)
> 21: #1 AMQP_writable_conn_handler /home/travis/build/apache/qpid-dispatch/src/router_node.c:299 (libqpid-dispatch.so+0xe3e41)
> 21: #2 writable_handler /home/travis/build/apache/qpid-dispatch/src/container.c:395 (libqpid-dispatch.so+0x76264)
> 21: #3 qd_container_handle_event /home/travis/build/apache/qpid-dispatch/src/container.c:747 (libqpid-dispatch.so+0x76264)
> 21: #4 handle /home/travis/build/apache/qpid-dispatch/src/server.c:1096 (libqpid-dispatch.so+0xed0f1)
> 21: #5 thread_run /home/travis/build/apache/qpid-dispatch/src/server.c:1121 (libqpid-dispatch.so+0xf0a9c)
> 21: #6 _thread_init /home/travis/build/apache/qpid-dispatch/src/posix/threading.c:172 (libqpid-dispatch.so+0x96f56)
> 21: #7 <null> <null> (libtsan.so.0+0x2d1af)
> 21: Previous write of size 1 at 0x7b540012c172 by thread T1:
> 21: #0 qdr_link_inbound_detach_CT /home/travis/build/apache/qpid-dispatch/src/router_core/connections.c:1980 (libqpid-dispatch.so+0xad1eb)
> 21: #1 router_core_thread /home/travis/build/apache/qpid-dispatch/src/router_core/router_core_thread.c:239 (libqpid-dispatch.so+0xca685)
> 21: #2 _thread_init /home/travis/build/apache/qpid-dispatch/src/posix/threading.c:172 (libqpid-dispatch.so+0x96f56)
> 21: #3 <null> <null> (libtsan.so.0+0x2d1af)
> 21: Mutex M548167088305615232 is already destroyed.
> 21: SUMMARY: ThreadSanitizer: data race /home/travis/build/apache/qpid-dispatch/src/router_core/connections.c:441 in qdr_connection_process
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