[jira] [Created] (DISPATCH-2125) qdr_link_t->stalled_outbound flag race

["Ken Giusti (Jira)" <ji...@apache.org>]

Ken Giusti created DISPATCH-2125:
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             Summary: qdr_link_t->stalled_outbound flag race
                 Key: DISPATCH-2125
                 URL: https://issues.apache.org/jira/browse/DISPATCH-2125
             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->stalled_outbound flag:

 

65: WARNING: ThreadSanitizer: data race (pid=566878) 
65: Write of size 1 at 0x7b58000a7ef9 by thread T4: 
65: #0 qdr_link_stalled_outbound /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/connections.c:552 (libqpid-dispatch.so+0xc5a8e) 
65: #1 CORE_link_second_attach /home/kgiusti/work/dispatch/qpid-dispatch/src/router_node.c:1747 (libqpid-dispatch.so+0x1277ac) 
65: #2 qdr_connection_process /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/connections.c:355 (libqpid-dispatch.so+0xc43f3) 
65: #3 AMQP_writable_conn_handler /home/kgiusti/work/dispatch/qpid-dispatch/src/router_node.c:299 (libqpid-dispatch.so+0x122d42) 
65: #4 writable_handler /home/kgiusti/work/dispatch/qpid-dispatch/src/container.c:395 (libqpid-dispatch.so+0x7b2e2) 
65: #5 qd_container_handle_event /home/kgiusti/work/dispatch/qpid-dispatch/src/container.c:747 (libqpid-dispatch.so+0x7cfd5) 
65: #6 handle /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:1096 (libqpid-dispatch.so+0x130537) 
65: #7 thread_run /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:1121 (libqpid-dispatch.so+0x13063a) 
65: #8 _thread_init /home/kgiusti/work/dispatch/qpid-dispatch/src/posix/threading.c:172 (libqpid-dispatch.so+0xad37a) 
65: #9 <null> <null> (libtsan.so.0+0x2d33f) 
65: 
65: Previous read of size 1 at 0x7b58000a7ef9 by thread T1: 
65: #0 qdr_link_flow_CT /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/transfer.c:422 (libqpid-dispatch.so+0x1061b0) 
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)



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