Ken Giusti created DISPATCH-2134:
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Summary: 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
Fix For: 1.17.0
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
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)
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