Data race in system_tests_auth_service_plugin involving remote_sasl_list_mechs

43: Process 13678 error: exit code 66, expected 0
43: qdrouterd -c router.conf -I /home/travis/build/apache/qpid-dispatch/python
43: /home/travis/build/apache/qpid-dispatch/build/tests/system_test.dir/system_tests_auth_service_plugin/AuthServicePluginTest/setUpClass/router-4.cmd
43: >>>>
43: ==================
43: WARNING: ThreadSanitizer: data race (pid=13678)
43:   Read of size 8 at 0x7b3000016250 by thread T2:
43:     #0 remote_sasl_list_mechs /home/travis/build/apache/qpid-dispatch/src/remote_sasl.c:431 (qdrouterd+0x893d2)
43:     #1 pni_sasl_impl_list_mechs /home/travis/build/apache/qpid-dispatch/qpid-proton/c/src/sasl/sasl.c:209 (libqpid-proton-core.so.10+0x17ac2)
43:     #2 pni_post_sasl_frame /home/travis/build/apache/qpid-dispatch/qpid-proton/c/src/sasl/sasl.c:495 (libqpid-proton-core.so.10+0x17ac2)
43:     #3 _thread_init /home/travis/build/apache/qpid-dispatch/src/posix/threading.c:172 (qdrouterd+0x8b231)
43: 
43:   Previous write of size 8 at 0x7b3000016250 by thread T3:
43:     #0 remote_sasl_process_mechanisms /home/travis/build/apache/qpid-dispatch/src/remote_sasl.c:384 (qdrouterd+0x89494)
43:     #1 pni_sasl_impl_process_mechanisms /home/travis/build/apache/qpid-dispatch/qpid-proton/c/src/sasl/sasl.c:239 (libqpid-proton-core.so.10+0x187a9)
43:     #2 pn_do_mechanisms /home/travis/build/apache/qpid-dispatch/qpid-proton/c/src/sasl/sasl.c:956 (libqpid-proton-core.so.10+0x187a9)
43:     #3 _thread_init /home/travis/build/apache/qpid-dispatch/src/posix/threading.c:172 (qdrouterd+0x8b231)
43: 
43:   Location is heap block of size 184 at 0x7b3000016200 allocated by thread T2:
43:     #0 malloc ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:651 (libtsan.so.0+0x30323)
43:     #1 qd_malloc /home/travis/build/apache/qpid-dispatch/include/qpid/dispatch/ctools.h:229 (qdrouterd+0x8a96a)
43:     #2 new_qdr_sasl_relay_t /home/travis/build/apache/qpid-dispatch/src/remote_sasl.c:140 (qdrouterd+0x8a96a)
43:     #3 qdr_use_remote_authentication_service /home/travis/build/apache/qpid-dispatch/src/remote_sasl.c:507 (qdrouterd+0x8a96a)
43:     #4 on_connection_bound /home/travis/build/apache/qpid-dispatch/src/server.c:755 (qdrouterd+0xe28ef)
43:     #5 handle /home/travis/build/apache/qpid-dispatch/src/server.c:1037 (qdrouterd+0xe28ef)
43:     #6 thread_run /home/travis/build/apache/qpid-dispatch/src/server.c:1133 (qdrouterd+0xe46f8)
43:     #7 _thread_init /home/travis/build/apache/qpid-dispatch/src/posix/threading.c:172 (qdrouterd+0x8b231)
43: 
43:   Thread T2 (tid=13681, running) created by main thread at:
43:     #0 pthread_create ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:962 (libtsan.so.0+0x5ea79)
43:     #1 sys_thread /home/travis/build/apache/qpid-dispatch/src/posix/threading.c:181 (qdrouterd+0x8b7f2)
43:     #2 qd_server_run /home/travis/build/apache/qpid-dispatch/src/server.c:1522 (qdrouterd+0xe536a)
43:     #3 main_process /home/travis/build/apache/qpid-dispatch/router/src/main.c:115 (qdrouterd+0x2dc57)
43:     #4 main /home/travis/build/apache/qpid-dispatch/router/src/main.c:369 (qdrouterd+0x2d0b2)
43: 
43:   Thread T3 (tid=13682, running) created by main thread at:
43:     #0 pthread_create ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:962 (libtsan.so.0+0x5ea79)
43:     #1 sys_thread /home/travis/build/apache/qpid-dispatch/src/posix/threading.c:181 (qdrouterd+0x8b7f2)
43:     #2 qd_server_run /home/travis/build/apache/qpid-dispatch/src/server.c:1522 (qdrouterd+0xe536a)
43:     #3 main_process /home/travis/build/apache/qpid-dispatch/router/src/main.c:115 (qdrouterd+0x2dc57)
43:     #4 main /home/travis/build/apache/qpid-dispatch/router/src/main.c:369 (qdrouterd+0x2d0b2)

43: WARNING: ThreadSanitizer: data race (pid=13678)
43:   Read of size 1 at 0x7b0400002040 by thread T2:
43:     #0 strlen ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:384 (libtsan.so.0+0x32a9f)
43:     #1 strlen ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:376 (libtsan.so.0+0x32a9f)
43:     #2 pn_strdup /home/travis/build/apache/qpid-dispatch/qpid-proton/c/src/core/util.c:122 (libqpid-proton-core.so.10+0x2a117)
43:     #3 _thread_init /home/travis/build/apache/qpid-dispatch/src/posix/threading.c:172 (qdrouterd+0x8b231)
43: 
43:   Previous write of size 8 at 0x7b0400002040 by thread T3:
43:     #0 malloc ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:651 (libtsan.so.0+0x30323)
43:     #1 strdup <null> (libc.so.6+0xa250e)
43:     #2 remote_sasl_process_mechanisms /home/travis/build/apache/qpid-dispatch/src/remote_sasl.c:384 (qdrouterd+0x89488)
43:     #3 pni_sasl_impl_process_mechanisms /home/travis/build/apache/qpid-dispatch/qpid-proton/c/src/sasl/sasl.c:239 (libqpid-proton-core.so.10+0x187a9)
43:     #4 pn_do_mechanisms /home/travis/build/apache/qpid-dispatch/qpid-proton/c/src/sasl/sasl.c:956 (libqpid-proton-core.so.10+0x187a9)
43:     #5 _thread_init /home/travis/build/apache/qpid-dispatch/src/posix/threading.c:172 (qdrouterd+0x8b231)
43: 
43:   Location is heap block of size 6 at 0x7b0400002040 allocated by thread T3:
43:     #0 malloc ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:651 (libtsan.so.0+0x30323)
43:     #1 strdup <null> (libc.so.6+0xa250e)
43:     #2 remote_sasl_process_mechanisms /home/travis/build/apache/qpid-dispatch/src/remote_sasl.c:384 (qdrouterd+0x89488)
43:     #3 pni_sasl_impl_process_mechanisms /home/travis/build/apache/qpid-dispatch/qpid-proton/c/src/sasl/sasl.c:239 (libqpid-proton-core.so.10+0x187a9)
43:     #4 pn_do_mechanisms /home/travis/build/apache/qpid-dispatch/qpid-proton/c/src/sasl/sasl.c:956 (libqpid-proton-core.so.10+0x187a9)
43:     #5 _thread_init /home/travis/build/apache/qpid-dispatch/src/posix/threading.c:172 (qdrouterd+0x8b231)
43: 
43:   Thread T2 (tid=13681, running) created by main thread at:
43:     #0 pthread_create ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:962 (libtsan.so.0+0x5ea79)
43:     #1 sys_thread /home/travis/build/apache/qpid-dispatch/src/posix/threading.c:181 (qdrouterd+0x8b7f2)
43:     #2 qd_server_run /home/travis/build/apache/qpid-dispatch/src/server.c:1522 (qdrouterd+0xe536a)
43:     #3 main_process /home/travis/build/apache/qpid-dispatch/router/src/main.c:115 (qdrouterd+0x2dc57)
43:     #4 main /home/travis/build/apache/qpid-dispatch/router/src/main.c:369 (qdrouterd+0x2d0b2)
43: 
43:   Thread T3 (tid=13682, running) created by main thread at:
43:     #0 pthread_create ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:962 (libtsan.so.0+0x5ea79)
43:     #1 sys_thread /home/travis/build/apache/qpid-dispatch/src/posix/threading.c:181 (qdrouterd+0x8b7f2)
43:     #2 qd_server_run /home/travis/build/apache/qpid-dispatch/src/server.c:1522 (qdrouterd+0xe536a)
43:     #3 main_process /home/travis/build/apache/qpid-dispatch/router/src/main.c:115 (qdrouterd+0x2dc57)
43:     #4 main /home/travis/build/apache/qpid-dispatch/router/src/main.c:369 (qdrouterd+0x2d0b2)
43: 
43: SUMMARY: ThreadSanitizer: data race /home/travis/build/apache/qpid-dispatch/qpid-proton/c/src/core/util.c:122 in pn_strdup
43: ==================
43: ThreadSanitizer: reported 2 warnings