Jiri Daněk created DISPATCH-2041:
------------------------------------
Summary: TSan data race reported from qd_connection_free in
system_tests_edge_router
Key: DISPATCH-2041
URL: https://issues.apache.org/jira/browse/DISPATCH-2041
Project: Qpid Dispatch
Issue Type: Bug
Affects Versions: 1.16.0
Environment: Ubuntu Focal TSan job on Travis CI
Reporter: Jiri Daněk
https://travis-ci.com/github/apache/qpid-dispatch/jobs/497063184#L6464
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54: WARNING: ThreadSanitizer: data race (pid=15726)
54: Read of size 8 at 0x7b7400082ac8 by thread T3:
54: #0 qd_connection_free
/home/travis/build/apache/qpid-dispatch/src/server.c:898
(libqpid-dispatch.so+0xebf8b)
54: #1 thread_run /home/travis/build/apache/qpid-dispatch/src/server.c:1128
(libqpid-dispatch.so+0xec4ac)
54: #2 _thread_init
/home/travis/build/apache/qpid-dispatch/src/posix/threading.c:174
(libqpid-dispatch.so+0x94e86)
54: #3 <null> <null> (libtsan.so.0+0x2d1af)
54:
54: Previous write of size 8 at 0x7b7400082ac8 by thread T4 (mutexes: write
M5, write M101747775242347584):
54: #0 qd_connector_decref
/home/travis/build/apache/qpid-dispatch/src/server.c:1693
(libqpid-dispatch.so+0xee112)
54: #1 qd_connector_decref
/home/travis/build/apache/qpid-dispatch/src/server.c:1688
(libqpid-dispatch.so+0xee112)
54: #2 qd_connection_manager_delete_connector
/home/travis/build/apache/qpid-dispatch/src/connection_manager.c:1068
(libqpid-dispatch.so+0x70d67)
54: #3 <null> <null> (libffi.so.7+0x6ff4)
54: #4 qdr_forward_on_message
/home/travis/build/apache/qpid-dispatch/src/router_core/forwarder.c:341
(libqpid-dispatch.so+0xb931f)
54: #5 qdr_general_handler
/home/travis/build/apache/qpid-dispatch/src/router_core/router_core.c:903
(libqpid-dispatch.so+0xc1f89)
54: #6 qd_timer_visit
/home/travis/build/apache/qpid-dispatch/src/timer.c:205
(libqpid-dispatch.so+0xefbd7)
54: #7 handle /home/travis/build/apache/qpid-dispatch/src/server.c:1008
(libqpid-dispatch.so+0xea5de)
54: #8 thread_run /home/travis/build/apache/qpid-dispatch/src/server.c:1122
(libqpid-dispatch.so+0xec477)
54: #9 _thread_init
/home/travis/build/apache/qpid-dispatch/src/posix/threading.c:174
(libqpid-dispatch.so+0x94e86)
54: #10 <null> <null> (libtsan.so.0+0x2d1af)
54:
54: Location is heap block of size 2496 at 0x7b7400082a00 allocated by thread
T2:
54: #0 posix_memalign <null> (libtsan.so.0+0x3048d)
54: #1 qd_alloc
/home/travis/build/apache/qpid-dispatch/src/alloc_pool.c:395
(libqpid-dispatch.so+0x5f5d4)
54: #2 new_qd_connection_t
/home/travis/build/apache/qpid-dispatch/src/server.c:84
(libqpid-dispatch.so+0xe7f95)
54: #3 qd_server_connection
/home/travis/build/apache/qpid-dispatch/src/server.c:569
(libqpid-dispatch.so+0xe8cd8)
54: #4 on_accept /home/travis/build/apache/qpid-dispatch/src/server.c:601
(libqpid-dispatch.so+0xedb7b)
54: #5 handle_listener
/home/travis/build/apache/qpid-dispatch/src/server.c:855
(libqpid-dispatch.so+0xedb7b)
54: #6 handle_event_with_context
/home/travis/build/apache/qpid-dispatch/src/server.c:804
(libqpid-dispatch.so+0xea569)
54: #7 do_handle_raw_connection_event
/home/travis/build/apache/qpid-dispatch/src/server.c:810
(libqpid-dispatch.so+0xea569)
54: #8 handle /home/travis/build/apache/qpid-dispatch/src/server.c:1090
(libqpid-dispatch.so+0xea569)
54: #9 thread_run /home/travis/build/apache/qpid-dispatch/src/server.c:1122
(libqpid-dispatch.so+0xec477)
54: #10 _thread_init
/home/travis/build/apache/qpid-dispatch/src/posix/threading.c:174
(libqpid-dispatch.so+0x94e86)
54: #11 <null> <null> (libtsan.so.0+0x2d1af)
54:
54: Mutex M5 (0x7b1000000300) created at:
54: #0 pthread_mutex_init <null> (libtsan.so.0+0x4a636)
54: #1 sys_mutex
/home/travis/build/apache/qpid-dispatch/src/posix/threading.c:45
(libqpid-dispatch.so+0x94eef)
54: #2 qd_python_initialize
/home/travis/build/apache/qpid-dispatch/src/python_embedded.c:56
(libqpid-dispatch.so+0x97847)
54: #3 qd_dispatch
/home/travis/build/apache/qpid-dispatch/src/dispatch.c:111
(libqpid-dispatch.so+0x762b9)
54: #4 main_process
/home/travis/build/apache/qpid-dispatch/router/src/main.c:92 (qdrouterd+0x2b39)
54: #5 main /home/travis/build/apache/qpid-dispatch/router/src/main.c:369
(qdrouterd+0x2882)
54:
54: Mutex M101747775242347584 is already destroyed.
54:
54: Thread T3 (tid=15730, running) created by main thread at:
54: #0 pthread_create <null> (libtsan.so.0+0x5ea99)
54: #1 sys_thread
/home/travis/build/apache/qpid-dispatch/src/posix/threading.c:183
(libqpid-dispatch.so+0x95442)
54: #2 qd_server_run
/home/travis/build/apache/qpid-dispatch/src/server.c:1485
(libqpid-dispatch.so+0xeceda)
54: #3 main_process
/home/travis/build/apache/qpid-dispatch/router/src/main.c:115 (qdrouterd+0x2c27)
54: #4 main /home/travis/build/apache/qpid-dispatch/router/src/main.c:369
(qdrouterd+0x2882)
54:
54: Thread T4 (tid=15731, running) created by main thread at:
54: #0 pthread_create <null> (libtsan.so.0+0x5ea99)
54: #1 sys_thread
/home/travis/build/apache/qpid-dispatch/src/posix/threading.c:183
(libqpid-dispatch.so+0x95442)
54: #2 qd_server_run
/home/travis/build/apache/qpid-dispatch/src/server.c:1485
(libqpid-dispatch.so+0xeceda)
54: #3 main_process
/home/travis/build/apache/qpid-dispatch/router/src/main.c:115 (qdrouterd+0x2c27)
54: #4 main /home/travis/build/apache/qpid-dispatch/router/src/main.c:369
(qdrouterd+0x2882)
54:
54: Thread T2 (tid=15729, running) created by main thread at:
54: #0 pthread_create <null> (libtsan.so.0+0x5ea99)
54: #1 sys_thread
/home/travis/build/apache/qpid-dispatch/src/posix/threading.c:183
(libqpid-dispatch.so+0x95442)
54: #2 qd_server_run
/home/travis/build/apache/qpid-dispatch/src/server.c:1485
(libqpid-dispatch.so+0xeceda)
54: #3 main_process
/home/travis/build/apache/qpid-dispatch/router/src/main.c:115 (qdrouterd+0x2c27)
54: #4 main /home/travis/build/apache/qpid-dispatch/router/src/main.c:369
(qdrouterd+0x2882)
54:
54: SUMMARY: ThreadSanitizer: data race
/home/travis/build/apache/qpid-dispatch/src/server.c:898 in qd_connection_free
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