Ken Giusti created DISPATCH-2124:
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Summary: qdr_link_t->drain_mode flag race
Key: DISPATCH-2124
URL: https://issues.apache.org/jira/browse/DISPATCH-2124
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
Read/write race between I/O and Core threads accessing qdr_link_t->drain_mode:
65: WARNING: ThreadSanitizer: data race (pid=567321)
65: Write of size 1 at 0x7b58000529f8 by thread T1:
65: #0 qdr_link_flow_CT
/home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/transfer.c:416
(libqpid-dispatch.so+0x106190)
65: #1 router_core_thread
/home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/router_core_thread.c:239
(libqpid-dispatch.so+0xfb2ae)
65: #2 _thread_init
/home/kgiusti/work/dispatch/qpid-dispatch/src/posix/threading.c:172
(libqpid-dispatch.so+0xad37a)
65: #3 <null> <null> (libtsan.so.0+0x2d33f)
65:
65: Previous read of size 1 at 0x7b58000529f8 by main thread:
65: #0 qdr_link_flow
/home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/transfer.c:348
(libqpid-dispatch.so+0x105d52)
65: #1 AMQP_link_flow_handler
/home/kgiusti/work/dispatch/qpid-dispatch/src/router_node.c:1057
(libqpid-dispatch.so+0x124aaf)
65: #2 qd_container_handle_event
/home/kgiusti/work/dispatch/qpid-dispatch/src/container.c:729
(libqpid-dispatch.so+0x7cf01)
65: #3 handle /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:1096
(libqpid-dispatch.so+0x130537)
65: #4 thread_run /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:1121
(libqpid-dispatch.so+0x13063a)
65: #5 qd_server_run
/home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:1501
(libqpid-dispatch.so+0x1328de)
65: #6 main_process
/home/kgiusti/work/dispatch/qpid-dispatch/router/src/main.c:115
(qdrouterd+0x40271a)
65: #7 main /home/kgiusti/work/dispatch/qpid-dispatch/router/src/main.c:369
(qdrouterd+0x403557)
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