Ken Giusti created DISPATCH-2132:
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Summary: 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
Fix For: 1.17.0
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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