Ken Giusti created DISPATCH-1925:
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Summary: 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
Fix For: 1.15.0
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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