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https://issues.apache.org/jira/browse/DISPATCH-2134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ganesh Murthy updated DISPATCH-2134:
------------------------------------
Fix Version/s: (was: 1.18.0)
1.19.0
> qdr_link_process_initial_delivery_CT race clearing link pointer
> ---------------------------------------------------------------
>
> Key: DISPATCH-2134
> URL: https://issues.apache.org/jira/browse/DISPATCH-2134
> Project: Qpid Dispatch
> Issue Type: Bug
> Components: Protocol Adaptors
> Affects Versions: 1.16.0
> Reporter: Ken Giusti
> Assignee: Ken Giusti
> Priority: Major
> Labels: race-condition, tsan
> Fix For: 1.19.0
>
>
> TSAN detects a race between an I/O thread clearing a deliveries' safe pointer
> to its owning link while the core thread is setting the same safe pointer
>
> {noformat}
> 70: WARNING: ThreadSanitizer: data race (pid=644088)
> 70: Write of size 8 at 0x7b500000feb0 by thread T1:
> 70: #0 qd_alloc_set_safe_ptr
> /home/kgiusti/work/dispatch/qpid-dispatch/include/qpid/dispatch/alloc_pool.h:96
> (libqpid-dispatch.so+0xeed90)
> 70: #1 set_safe_ptr_qdr_link_t
> /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/router_core.c:35
> (libqpid-dispatch.so+0xef449)
> 70: #2 qdr_link_process_initial_delivery_CT
> /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/connections.c:1678
> (libqpid-dispatch.so+0xcccbe)
> 70: #3 qdr_link_inbound_first_attach_CT
> /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/connections.c:1801
> (libqpid-dispatch.so+0xcd6cb)
> 70: #4 router_core_thread
> /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/router_core_thread.c:239
> (libqpid-dispatch.so+0xfb2ae)
> 70: #5 _thread_init
> /home/kgiusti/work/dispatch/qpid-dispatch/src/posix/threading.c:172
> (libqpid-dispatch.so+0xad37a)
> 70: #6 <null> <null> (libtsan.so.0+0x2d33f)
> 70:
> 70: Previous write of size 8 at 0x7b500000feb0 by thread T3 (mutexes: write
> M333):
> 70: #0 qd_nullify_safe_ptr
> /home/kgiusti/work/dispatch/qpid-dispatch/include/qpid/dispatch/alloc_pool.h:91
> (libqpid-dispatch.so+0x103843)
> 70: #1 qdr_link_process_deliveries
> /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/transfer.c:239
> (libqpid-dispatch.so+0x105033)
> 70: #2 qdr_http_push
> /home/kgiusti/work/dispatch/qpid-dispatch/src/adaptors/http2/http2_adaptor.c:1607
> (libqpid-dispatch.so+0x147bfd)
> 70: #3 qdr_connection_process
> /home/kgiusti/work/dispatch/qpid-dispatch/src/router_core/connections.c:414
> (libqpid-dispatch.so+0xc4bec)
> 70: #4 handle_connection_event
> /home/kgiusti/work/dispatch/qpid-dispatch/src/adaptors/http2/http2_adaptor.c:2435
> (libqpid-dispatch.so+0x14ee55)
> 70: #5 handle_event_with_context
> /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:802
> (libqpid-dispatch.so+0x12ecb6)
> 70: #6 do_handle_raw_connection_event
> /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:808
> (libqpid-dispatch.so+0x12ed08)
> 70: #7 handle /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:1089
> (libqpid-dispatch.so+0x1304e6)
> 70: #8 thread_run /home/kgiusti/work/dispatch/qpid-dispatch/src/server.c:1121
> (libqpid-dispatch.so+0x13063a)
> 70: #9 _thread_init
> /home/kgiusti/work/dispatch/qpid-dispatch/src/posix/threading.c:172
> (libqpid-dispatch.so+0xad37a)
> 70: #10 <null> <null> (libtsan.so.0+0x2d33f)
> {noformat}
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