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https://issues.apache.org/jira/browse/DISPATCH-2197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17384301#comment-17384301
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Jiri Daněk commented on DISPATCH-2197:
--------------------------------------
https://github.com/jiridanek/qpid-dispatch/runs/3113666703#step:25:1178
> Data race in system_tests_auth_service_plugin involving remote_sasl_list_mechs
> ------------------------------------------------------------------------------
>
> Key: DISPATCH-2197
> URL: https://issues.apache.org/jira/browse/DISPATCH-2197
> Project: Qpid Dispatch
> Issue Type: Bug
> Affects Versions: 1.17.0
> Reporter: Jiri Daněk
> Priority: Major
> Labels: race-condition, tsan
>
> https://app.travis-ci.com/github/apache/qpid-dispatch/jobs/524340523#L5020
> {noformat}
> 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)
> {noformat}
> {noformat}
> 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
> {noformat}
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