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https://issues.apache.org/jira/browse/DISPATCH-1925?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ganesh Murthy resolved DISPATCH-1925.
-------------------------------------
Resolution: Fixed
> Thread race in qd_message_extend vs qd_message_stream_data_buffers
> ------------------------------------------------------------------
>
> Key: DISPATCH-1925
> URL: https://issues.apache.org/jira/browse/DISPATCH-1925
> Project: Qpid Dispatch
> Issue Type: Bug
> Components: Router Node
> Affects Versions: 1.15.0
> Reporter: Ken Giusti
> Assignee: Ken Giusti
> Priority: Major
> Labels: race-condition
> Fix For: 1.16.0
>
>
>
> Read of "next" pointer while it may be written by another thread.
>
> 70: WARNING: ThreadSanitizer: data race (pid=18524)
> 70: Write of size 8 at 0x7b54000ff790 by thread T3 (mutexes: write M1479):
> 70: #0 qd_message_extend
> /home/travis/build/kgiusti/dispatch/src/message.c:2335
> (libqpid-dispatch.so+0x82d17)
> 70: #1 qd_message_stream_data_append
> /home/travis/build/kgiusti/dispatch/src/message.c:2890
> (libqpid-dispatch.so+0x8633f)
> 70: #2 handle_incoming
> /home/travis/build/kgiusti/dispatch/src/adaptors/tcp_adaptor.c:183
> (libqpid-dispatch.so+0x58bf4)
> 70: #3 handle_connection_event
> /home/travis/build/kgiusti/dispatch/src/adaptors/tcp_adaptor.c:567
> (libqpid-dispatch.so+0x5bd2f)
> 70: #4 handle_event_with_context
> /home/travis/build/kgiusti/dispatch/src/server.c:804
> (libqpid-dispatch.so+0xe8bd9)
> 70: #5 do_handle_raw_connection_event
> /home/travis/build/kgiusti/dispatch/src/server.c:810
> (libqpid-dispatch.so+0xe8bd9)
> 70: #6 handle /home/travis/build/kgiusti/dispatch/src/server.c:1090
> (libqpid-dispatch.so+0xe8bd9)
> 70: #7 thread_run /home/travis/build/kgiusti/dispatch/src/server.c:1122
> (libqpid-dispatch.so+0xeaae7)
> 70: #8 _thread_init
> /home/travis/build/kgiusti/dispatch/src/posix/threading.c:172
> (libqpid-dispatch.so+0x93966)
> 70: #9 <null> <null> (libtsan.so.0+0x2d1af)
>
> 70: Previous read of size 8 at 0x7b54000ff790 by main thread:
> 70: #0 qd_message_stream_data_buffers
> /home/travis/build/kgiusti/dispatch/src/message.c:2500
> (libqpid-dispatch.so+0x8330c)
> 70: #1 read_message_body
> /home/travis/build/kgiusti/dispatch/src/adaptors/tcp_adaptor.c:315
> (libqpid-dispatch.so+0x5aede)
> 70: #2 handle_outgoing
> /home/travis/build/kgiusti/dispatch/src/adaptors/tcp_adaptor.c:392
> (libqpid-dispatch.so+0x5aede)
> 70: #3 handle_connection_event
> /home/travis/build/kgiusti/dispatch/src/adaptors/tcp_adaptor.c:527
> (libqpid-dispatch.so+0x5bcbd)
> 70: #4 handle_event_with_context
> /home/travis/build/kgiusti/dispatch/src/server.c:804
> (libqpid-dispatch.so+0xe8bd9)
> 70: #5 do_handle_raw_connection_event
> /home/travis/build/kgiusti/dispatch/src/server.c:810
> (libqpid-dispatch.so+0xe8bd9)
> 70: #6 handle /home/travis/build/kgiusti/dispatch/src/server.c:1090
> (libqpid-dispatch.so+0xe8bd9)
> 70: #7 thread_run /home/travis/build/kgiusti/dispatch/src/server.c:1122
> (libqpid-dispatch.so+0xeaae7)
> 70: #8 qd_server_run /home/travis/build/kgiusti/dispatch/src/server.c:1484
> (libqpid-dispatch.so+0xeb55f)
> 70: #9 main_process /home/travis/build/kgiusti/dispatch/router/src/main.c:113
> (qdrouterd+0x2c27)
> 70: #10 main /home/travis/build/kgiusti/dispatch/router/src/main.c:367
> (qdrouterd+0x2882)
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