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Posted to dev@qpid.apache.org by "Ken Giusti (Jira)" <ji...@apache.org> on 2021/08/10 21:10:00 UTC
[jira] [Updated] (DISPATCH-2131) I/O thread data race in
qdr_record_link_credit
[ https://issues.apache.org/jira/browse/DISPATCH-2131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ken Giusti updated DISPATCH-2131:
---------------------------------
Fix Version/s: (was: 1.17.0)
1.18.0
> I/O thread data race in qdr_record_link_credit
> ----------------------------------------------
>
> Key: DISPATCH-2131
> URL: https://issues.apache.org/jira/browse/DISPATCH-2131
> 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: 1.18.0
>
>
> qdr_record_link_credit is called by the I/O and writes to the qdr_core and qdr_link, etc structures as they are being read/written by the Core thread.
>
> 50: WARNING: ThreadSanitizer: data race (pid=627672)
> 50: Read of size 4 at 0x7b580009beec by thread T1:
> 50: #0 qdr_agent_write_column_CT /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/agent_link.c:278 (libqpid-dispatch.so+0xbfc8b)
> 50: #1 qdr_agent_write_link_CT /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/agent_link.c:302 (libqpid-dispatch.so+0xbfe0f)
> 50: #2 qdra_link_get_next_CT /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/agent_link.c:382 (libqpid-dispatch.so+0xc01d9)
> 50: #3 qdrh_query_get_next_CT /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/agent.c:566 (libqpid-dispatch.so+0xb4fac)
> 50: #4 router_core_thread /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/router_core_thread.c:239 (libqpid-dispatch.so+0xfb2ae)
> 50: #5 _thread_init /home/kgiusti/work/dispatch/qpid-dispatch/src/posix/threading.c:172 (libqpid-dispatch.so+0xad37a)
> 50: #6 <null> <null> (libtsan.so.0+0x2d33f)
> 50:
> 50: Previous write of size 4 at 0x7b580009beec by thread T4:
> 50: #0 qdr_record_link_credit /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/connections.c:273 (libqpid-dispatch.so+0xc3a7c)
> 50: #1 qdr_connection_process /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/connections.c:463 (libqpid-dispatch.so+0xc554d)
> 50: #2 AMQP_writable_conn_handler /home/kgiusti/work/dispatch/qpid-dispatch/src/router_node.c:299 (libqpid-dispatch.so+0x122d42)
> 50: #3 writable_handler /home/kgiusti/work/dispatch/qpid-dispatch/src/container.c:395 (libqpid-dispatch.so+0x7b2e2)
> 50: #4 qd_container_handle_event /home/kgiusti/work/dispatch/qpid-dispatch/src/container.c:747 (libqpid-dispatch.so+0x7cfd5)
> 50: #5 handle /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:1096 (libqpid-dispatch.so+0x130537)
> 50: #6 thread_run /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:1121 (libqpid-dispatch.so+0x13063a)
> 50: #7 _thread_init /home/kgiusti/work/dispatch/qpid-dispatch/src/posix/threading.c:172 (libqpid-dispatch.so+0xad37a)
> 50: #8 <null> <null> (libtsan.so.0+0x2d33f)
>
> -----
>
> 62: Read of size 4 at 0x7b64000352c8 by thread T3:
> 62: #0 qdr_record_link_credit /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/connections.c:260 (libqpid-dispatch.so+0xc3978)
> 62: #1 qdr_connection_process /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/connections.c:463 (libqpid-dispatch.so+0xc554d)
> 62: #2 AMQP_writable_conn_handler /home/kgiusti/work/dispatch/qpid-dispatch/src/router_node.c:299 (libqpid-dispatch.so+0x122d42)
> 62: #3 writable_handler /home/kgiusti/work/dispatch/qpid-dispatch/src/container.c:395 (libqpid-dispatch.so+0x7b2e2)
> 62: #4 qd_container_handle_event /home/kgiusti/work/dispatch/qpid-dispatch/src/container.c:747 (libqpid-dispatch.so+0x7cfd5)
> 62: #5 handle /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:1096 (libqpid-dispatch.so+0x130537)
> 62: #6 thread_run /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:1121 (libqpid-dispatch.so+0x13063a)
> 62: #7 _thread_init /home/kgiusti/work/dispatch/qpid-dispatch/src/posix/threading.c:172 (libqpid-dispatch.so+0xad37a)
> 62: #8 <null> <null> (libtsan.so.0+0x2d33f)
> 62:
> 62: Previous write of size 4 at 0x7b64000352c8 by thread T1:
> 62: #0 qdr_process_tick_CT /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/core_timer.c:111 (libqpid-dispatch.so+0x10a860)
> 62: #1 router_core_thread /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/router_core_thread.c:239 (libqpid-dispatch.so+0xfb2ae)
> 62: #2 _thread_init /home/kgiusti/work/dispatch/qpid-dispatch/src/posix/threading.c:172 (libqpid-dispatch.so+0xad37a)
> 62: #3 <null> <null> (libtsan.so.0+0x2d33f)
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