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https://issues.apache.org/jira/browse/DISPATCH-2137?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ganesh Murthy reassigned DISPATCH-2137:
---------------------------------------

    Assignee: Ganesh Murthy  (was: Ken Giusti)

> multiple data races in the SASL plugin
> --------------------------------------
>
>                 Key: DISPATCH-2137
>                 URL: https://issues.apache.org/jira/browse/DISPATCH-2137
>             Project: Qpid Dispatch
>          Issue Type: Bug
>          Components: Router Node
>    Affects Versions: 1.16.0
>            Reporter: Ken Giusti
>            Assignee: Ganesh Murthy
>            Priority: Major
>              Labels: race-condition, tsan
>             Fix For: 1.17.0
>
>
> 44: WARNING: ThreadSanitizer: data race (pid=652787) 
> 44: Read of size 1 at 0x7b300002ddc0 by main thread: 
> 44: #0 remote_sasl_prepare 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/remote_sasl.c:344 
> (libqpid-dispatch.so+0xab480) 
> 44: #1 pni_sasl_impl_prepare_write 
> /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:219 
> (libqpid-proton-core.so.10+0x2895b) 
> 44: #2 pn_output_write_sasl 
> /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:691 
> (libqpid-proton-core.so.10+0x2895b) 
> 44: #3 qd_server_run 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:1501 
> (libqpid-dispatch.so+0x132935) 
> 44: #4 main_process 
> /home/kgiusti/work/dispatch/qpid-dispatch/router/src/main.c:115 
> (qdrouterd+0x40271a) 
> 44: #5 main /home/kgiusti/work/dispatch/qpid-dispatch/router/src/main.c:369 
> (qdrouterd+0x403557) 
> 44: 
> 44: Previous write of size 1 at 0x7b300002ddc0 by thread T4: 
> 44: #0 notify_downstream 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/remote_sasl.c:276 
> (libqpid-dispatch.so+0xaaf79) 
> 44: #1 remote_sasl_process_init 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/remote_sasl.c:445 
> (libqpid-dispatch.so+0xabb75) 
> 44: #2 pni_sasl_impl_process_init 
> /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:224 
> (libqpid-proton-core.so.10+0x297b5) 
> 44: #3 pn_do_init /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:903 
> (libqpid-proton-core.so.10+0x297b5) 
> 44: #4 _thread_init 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/posix/threading.c:172 
> (libqpid-dispatch.so+0xad38a) 
> 44: #5 <null> <null> (libtsan.so.0+0x2d33f)
>  
> --------------------------------------------
> 44: Read of size 8 at 0x7b300002dda8 by main thread: 
> 44: #0 remote_sasl_prepare 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/remote_sasl.c:345 
> (libqpid-dispatch.so+0xab4a5) 
> 44: #1 pni_sasl_impl_prepare_write 
> /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:219 
> (libqpid-proton-core.so.10+0x2895b) 
> 44: #2 pn_output_write_sasl 
> /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:691 
> (libqpid-proton-core.so.10+0x2895b) 
> 44: #3 qd_server_run 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:1501 
> (libqpid-dispatch.so+0x132935) 
> 44: #4 main_process 
> /home/kgiusti/work/dispatch/qpid-dispatch/router/src/main.c:115 
> (qdrouterd+0x40271a) 
> 44: #5 main /home/kgiusti/work/dispatch/qpid-dispatch/router/src/main.c:369 
> (qdrouterd+0x403557) 
> 44: 
> 44: Previous write of size 8 at 0x7b300002dda8 by thread T4: 
> 44: #0 remote_sasl_process_init 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/remote_sasl.c:443 
> (libqpid-dispatch.so+0xabb40) 
> 44: #1 pni_sasl_impl_process_init 
> /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:224 
> (libqpid-proton-core.so.10+0x297b5) 
> 44: #2 pn_do_init /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:903 
> (libqpid-proton-core.so.10+0x297b5) 
> 44: #3 _thread_init 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/posix/threading.c:172 
> (libqpid-dispatch.so+0xad38a) 
> 44: #4 <null> <null> (libtsan.so.0+0x2d33f)
>  
> ----------
> 44: Read of size 8 at 0x7b04000018b0 by main thread: 
> 44: #0 strlen <null> (libtsan.so.0+0x32c4f) 
> 44: #1 pn_strdup /home/kgiusti/work/proton/qpid-proton/c/src/core/util.c:122 
> (libqpid-proton-core.so.10+0x26b3c) 
> 44: #2 pnx_sasl_set_selected_mechanism 
> /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:147 
> (libqpid-proton-core.so.10+0x26b3c) 
> 44: #3 pni_sasl_impl_prepare_write 
> /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:219 
> (libqpid-proton-core.so.10+0x2895b) 
> 44: #4 pn_output_write_sasl 
> /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:691 
> (libqpid-proton-core.so.10+0x2895b) 
> 44: #5 qd_server_run 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:1501 
> (libqpid-dispatch.so+0x132935) 
> 44: #6 main_process 
> /home/kgiusti/work/dispatch/qpid-dispatch/router/src/main.c:115 
> (qdrouterd+0x40271a) 
> 44: #7 main /home/kgiusti/work/dispatch/qpid-dispatch/router/src/main.c:369 
> (qdrouterd+0x403557) 
> 44: 
> 44: Previous write of size 8 at 0x7b04000018b0 by thread T4: 
> 44: #0 malloc <null> (libtsan.so.0+0x304d3) 
> 44: #1 __GI___strdup 
> /usr/src/debug/glibc-2.31-74-gd0c84d22b6/string/strdup.c:42 
> (libc.so.6+0x900ae) 
> 44: #2 remote_sasl_process_init 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/remote_sasl.c:443 
> (libqpid-dispatch.so+0xabb2d) 
> 44: #3 pni_sasl_impl_process_init 
> /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:224 
> (libqpid-proton-core.so.10+0x297b5) 
> 44: #4 pn_do_init /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:903 
> (libqpid-proton-core.so.10+0x297b5) 
> 44: #5 _thread_init 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/posix/threading.c:172 
> (libqpid-dispatch.so+0xad38a) 
> 44: #6 <null> <null> (libtsan.so.0+0x2d33f)
>  
> --------------------
> 44: WARNING: ThreadSanitizer: data race (pid=652787) 
> 44: Read of size 8 at 0x7b300002ddb8 by main thread: 
> 44: #0 remote_sasl_prepare 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/remote_sasl.c:347 
> (libqpid-dispatch.so+0xab4f3) 
> 44: #1 pni_sasl_impl_prepare_write 
> /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:219 
> (libqpid-proton-core.so.10+0x2895b) 
> 44: #2 pn_output_write_sasl 
> /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:691 
> (libqpid-proton-core.so.10+0x2895b) 
> 44: #3 qd_server_run 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:1501 
> (libqpid-dispatch.so+0x132935) 
> 44: #4 main_process 
> /home/kgiusti/work/dispatch/qpid-dispatch/router/src/main.c:115 
> (qdrouterd+0x40271a) 
> 44: #5 main /home/kgiusti/work/dispatch/qpid-dispatch/router/src/main.c:369 
> (qdrouterd+0x403557) 
> 44: 
> 44: Previous write of size 8 at 0x7b300002ddb8 by thread T4: 
> 44: #0 copy_bytes 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/remote_sasl.c:133 
> (libqpid-dispatch.so+0xaa550) 
> 44: #1 remote_sasl_process_init 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/remote_sasl.c:444 
> (libqpid-dispatch.so+0xabb5f) 
> 44: #2 pni_sasl_impl_process_init 
> /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:224 
> (libqpid-proton-core.so.10+0x297b5) 
> 44: #3 pn_do_init /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:903 
> (libqpid-proton-core.so.10+0x297b5) 
> 44: #4 _thread_init 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/posix/threading.c:172 
> (libqpid-dispatch.so+0xad38a) 
> 44: #5 <null> <null> (libtsan.so.0+0x2d33f)
>  
> --------------------------------
> 44: Read of size 8 at 0x7b0c000032a0 by main thread: 
> 44: #0 memmove <null> (libtsan.so.0+0x42bd3) 
> 44: #1 pn_buffer_append 
> /home/kgiusti/work/proton/qpid-proton/c/src/core/buffer.c:179 
> (libqpid-proton-core.so.10+0x13d00) 
> 44: #2 pn_buffer_append 
> /home/kgiusti/work/proton/qpid-proton/c/src/core/buffer.c:169 
> (libqpid-proton-core.so.10+0x13d00) 
> 44: #3 qd_server_run 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:1501 
> (libqpid-dispatch.so+0x132935) 
> 44: #4 main_process 
> /home/kgiusti/work/dispatch/qpid-dispatch/router/src/main.c:115 
> (qdrouterd+0x40271a) 
> 44: #5 main /home/kgiusti/work/dispatch/qpid-dispatch/router/src/main.c:369 
> (qdrouterd+0x403557) 
> 44: 
> 44: Previous write of size 8 at 0x7b0c000032a0 by thread T4: 
> 44: #0 malloc <null> (libtsan.so.0+0x304d3) 
> 44: #1 copy_bytes 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/remote_sasl.c:133 
> (libqpid-dispatch.so+0xaa53d) 
> 44: #2 remote_sasl_process_init 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/remote_sasl.c:444 
> (libqpid-dispatch.so+0xabb5f) 
> 44: #3 pni_sasl_impl_process_init 
> /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:224 
> (libqpid-proton-core.so.10+0x297b5) 
> 44: #4 pn_do_init /home/kgiusti/work/proton/qpid-proton/c/src/sasl/sasl.c:903 
> (libqpid-proton-core.so.10+0x297b5) 
> 44: #5 _thread_init 
> /home/kgiusti/work/dispatch/qpid-dispatch/src/posix/threading.c:172 
> (libqpid-dispatch.so+0xad38a) 
> 44: #6 <null> <null> (libtsan.so.0+0x2d33f)
>  
> -------------------------------------------------------------
>  
>  



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