Oipo commented on issue #205:
URL: https://github.com/apache/celix/issues/205#issuecomment-625223588
If adding the publisher to the subscriber example (so that both are in the
same executable), the following findings are reported by thread sanitizer:
```
==================
WARNING: ThreadSanitizer: data race (pid=65355)
Write of size 8 at 0x7ba40003d1f0 by thread T14:
#0 recv <null> (libtsan.so.0+0x4e306)
#1 <null> <null> (libzmq.so.5+0x6b414)
Previous read of size 1 at 0x7ba40003d1f7 by thread T15:
#0 readInt /usr/include/x86_64-linux-gnu/bits/string_fortified.h:34
(libcelix_pubsub_protocol_wire_v1.so.1+0x375c)
#1 pubsubProtocol_decodeMetadata
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_protocol_wire_v1/src/pubsub_wire_protocol_impl.c:223
(libcelix_pubsub_protocol_wire_v1.so.1+0x34f5)
#2 psa_zmq_recvThread
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_admin_zmq/src/pubsub_zmq_topic_receiver.c:649
(libcelix_pubsub_admin_zmq.so.1+0xcea8)
#3 <null> <null> (libtsan.so.0+0x2b3c6)
Location is heap block of size 18160 at 0x7ba40003c000 allocated by thread
T14:
#0 malloc <null> (libtsan.so.0+0x2cbe6)
#1 <null> <null> (libzmq.so.5+0x7bde3)
Thread T14 'ZMQbg/IO/0' (tid=65370, running) created by thread T5 at:
#0 pthread_create <null> (libtsan.so.0+0x2dc82)
#1 <null> <null> (libzmq.so.5+0x6d9ac)
#2 pubsub_zmqAdmin_setupTopicReceiver
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_admin_zmq/src/pubsub_zmq_admin.c:569
(libcelix_pubsub_admin_zmq.so.1+0x8ced)
#3 pstm_setupTopicReceiverCallback
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_topology_manager/src/pubsub_topology_manager.c:883
(libcelix_pubsub_topology_manager.so.1+0x4873)
#4 serviceTracker_useHighestRankingServiceInternal
/home/oipo-unencrypted/Programming/celix/libs/framework/src/service_tracker.c:821
(libcelix_framework.so.2+0x31d87)
#5 celix_serviceTracker_useHighestRankingService
/home/oipo-unencrypted/Programming/celix/libs/framework/src/service_tracker.c:852
(libcelix_framework.so.2+0x34281)
#6 celix_bundleContext_useServiceWithOptions
/home/oipo-unencrypted/Programming/celix/libs/framework/src/bundle_context.c:794
(libcelix_framework.so.2+0x1bde7)
#7 celix_bundleContext_useServiceWithId
/home/oipo-unencrypted/Programming/celix/libs/framework/src/bundle_context.c:741
(libcelix_framework.so.2+0x1bf23)
#8 pstm_setupTopicReceivers
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_topology_manager/src/pubsub_topology_manager.c:932
(libcelix_pubsub_topology_manager.so.1+0x5b16)
#9 pstm_psaHandlingThread
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_topology_manager/src/pubsub_topology_manager.c:972
(libcelix_pubsub_topology_manager.so.1+0x5b16)
#10 <null> <null> (libtsan.so.0+0x2b3c6)
Thread T15 'ZMQ TR (null)/poi2' (tid=65371, running) created by thread T5
at:
#0 pthread_create <null> (libtsan.so.0+0x2dc82)
#1 celixThread_create
/home/oipo-unencrypted/Programming/celix/libs/utils/src/celix_threads.c:37
(libcelix_utils.so.2+0xda7c)
#2 pubsub_zmqTopicReceiver_create
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_admin_zmq/src/pubsub_zmq_topic_receiver.c:263
(libcelix_pubsub_admin_zmq.so.1+0xde21)
#3 pubsub_zmqAdmin_setupTopicReceiver
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_admin_zmq/src/pubsub_zmq_admin.c:569
(libcelix_pubsub_admin_zmq.so.1+0x8ced)
#4 pstm_setupTopicReceiverCallback
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_topology_manager/src/pubsub_topology_manager.c:883
(libcelix_pubsub_topology_manager.so.1+0x4873)
#5 serviceTracker_useHighestRankingServiceInternal
/home/oipo-unencrypted/Programming/celix/libs/framework/src/service_tracker.c:821
(libcelix_framework.so.2+0x31d87)
#6 celix_serviceTracker_useHighestRankingService
/home/oipo-unencrypted/Programming/celix/libs/framework/src/service_tracker.c:852
(libcelix_framework.so.2+0x34281)
#7 celix_bundleContext_useServiceWithOptions
/home/oipo-unencrypted/Programming/celix/libs/framework/src/bundle_context.c:794
(libcelix_framework.so.2+0x1bde7)
#8 celix_bundleContext_useServiceWithId
/home/oipo-unencrypted/Programming/celix/libs/framework/src/bundle_context.c:741
(libcelix_framework.so.2+0x1bf23)
#9 pstm_setupTopicReceivers
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_topology_manager/src/pubsub_topology_manager.c:932
(libcelix_pubsub_topology_manager.so.1+0x5b16)
#10 pstm_psaHandlingThread
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_topology_manager/src/pubsub_topology_manager.c:972
(libcelix_pubsub_topology_manager.so.1+0x5b16)
#11 <null> <null> (libtsan.so.0+0x2b3c6)
SUMMARY: ThreadSanitizer: data race
(/lib/x86_64-linux-gnu/libtsan.so.0+0x4e306) in __interceptor_recv
==================
```
```
==================
WARNING: ThreadSanitizer: data race (pid=65355)
Write of size 8 at 0x7ba4000dc000 by thread T12:
#0 free <null> (libtsan.so.0+0x2cf6b)
#1 <null> <null> (libzmq.so.5+0x3890c)
#2 <null> <null> (libtsan.so.0+0x2b3c6)
Previous write of size 8 at 0x7ba4000dc000 by thread T11:
#0 malloc <null> (libtsan.so.0+0x2cbe6)
#1 <null> <null> (libzmq.so.5+0x37e28)
Thread T12 'ZMQ TR (null)/poi1' (tid=65368, running) created by thread T5
at:
#0 pthread_create <null> (libtsan.so.0+0x2dc82)
#1 celixThread_create
/home/oipo-unencrypted/Programming/celix/libs/utils/src/celix_threads.c:37
(libcelix_utils.so.2+0xda7c)
#2 pubsub_zmqTopicReceiver_create
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_admin_zmq/src/pubsub_zmq_topic_receiver.c:263
(libcelix_pubsub_admin_zmq.so.1+0xde21)
#3 pubsub_zmqAdmin_setupTopicReceiver
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_admin_zmq/src/pubsub_zmq_admin.c:569
(libcelix_pubsub_admin_zmq.so.1+0x8ced)
#4 pstm_setupTopicReceiverCallback
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_topology_manager/src/pubsub_topology_manager.c:883
(libcelix_pubsub_topology_manager.so.1+0x4873)
#5 serviceTracker_useHighestRankingServiceInternal
/home/oipo-unencrypted/Programming/celix/libs/framework/src/service_tracker.c:821
(libcelix_framework.so.2+0x31d87)
#6 celix_serviceTracker_useHighestRankingService
/home/oipo-unencrypted/Programming/celix/libs/framework/src/service_tracker.c:852
(libcelix_framework.so.2+0x34281)
#7 celix_bundleContext_useServiceWithOptions
/home/oipo-unencrypted/Programming/celix/libs/framework/src/bundle_context.c:794
(libcelix_framework.so.2+0x1bde7)
#8 celix_bundleContext_useServiceWithId
/home/oipo-unencrypted/Programming/celix/libs/framework/src/bundle_context.c:741
(libcelix_framework.so.2+0x1bf23)
#9 pstm_setupTopicReceivers
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_topology_manager/src/pubsub_topology_manager.c:932
(libcelix_pubsub_topology_manager.so.1+0x5b16)
#10 pstm_psaHandlingThread
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_topology_manager/src/pubsub_topology_manager.c:972
(libcelix_pubsub_topology_manager.so.1+0x5b16)
#11 <null> <null> (libtsan.so.0+0x2b3c6)
Thread T11 'ZMQbg/IO/0' (tid=65367, running) created by thread T5 at:
#0 pthread_create <null> (libtsan.so.0+0x2dc82)
#1 <null> <null> (libzmq.so.5+0x6d9ac)
#2 pubsub_zmqAdmin_setupTopicReceiver
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_admin_zmq/src/pubsub_zmq_admin.c:569
(libcelix_pubsub_admin_zmq.so.1+0x8ced)
#3 pstm_setupTopicReceiverCallback
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_topology_manager/src/pubsub_topology_manager.c:883
(libcelix_pubsub_topology_manager.so.1+0x4873)
#4 serviceTracker_useHighestRankingServiceInternal
/home/oipo-unencrypted/Programming/celix/libs/framework/src/service_tracker.c:821
(libcelix_framework.so.2+0x31d87)
#5 celix_serviceTracker_useHighestRankingService
/home/oipo-unencrypted/Programming/celix/libs/framework/src/service_tracker.c:852
(libcelix_framework.so.2+0x34281)
#6 celix_bundleContext_useServiceWithOptions
/home/oipo-unencrypted/Programming/celix/libs/framework/src/bundle_context.c:794
(libcelix_framework.so.2+0x1bde7)
#7 celix_bundleContext_useServiceWithId
/home/oipo-unencrypted/Programming/celix/libs/framework/src/bundle_context.c:741
(libcelix_framework.so.2+0x1bf23)
#8 pstm_setupTopicReceivers
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_topology_manager/src/pubsub_topology_manager.c:932
(libcelix_pubsub_topology_manager.so.1+0x5b16)
#9 pstm_psaHandlingThread
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_topology_manager/src/pubsub_topology_manager.c:972
(libcelix_pubsub_topology_manager.so.1+0x5b16)
#10 <null> <null> (libtsan.so.0+0x2b3c6)
SUMMARY: ThreadSanitizer: data race
(/lib/x86_64-linux-gnu/libtsan.so.0+0x2cf6b) in free
==================
```
```
==================
WARNING: ThreadSanitizer: data race (pid=65355)
Read of size 1 at 0x7ba4000b402e by thread T15:
#0 pubsubProtocol_parseNetstring
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_protocol_wire_v1/src/pubsub_wire_protocol_impl.c:339
(libcelix_pubsub_protocol_wire_v1.so.1+0x29bf)
#1 pubsubProtocol_decodeMetadata
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_protocol_wire_v1/src/pubsub_wire_protocol_impl.c:230
(libcelix_pubsub_protocol_wire_v1.so.1+0x3698)
#2 psa_zmq_recvThread
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_admin_zmq/src/pubsub_zmq_topic_receiver.c:649
(libcelix_pubsub_admin_zmq.so.1+0xcea8)
#3 <null> <null> (libtsan.so.0+0x2b3c6)
Previous write of size 8 at 0x7ba4000b4028 by thread T14:
#0 recv <null> (libtsan.so.0+0x4e306)
#1 <null> <null> (libzmq.so.5+0x6b414)
Location is heap block of size 18160 at 0x7ba4000b4000 allocated by thread
T14:
#0 malloc <null> (libtsan.so.0+0x2cbe6)
#1 <null> <null> (libzmq.so.5+0x7bde3)
Thread T15 'ZMQ TR (null)/poi2' (tid=65371, running) created by thread T5
at:
#0 pthread_create <null> (libtsan.so.0+0x2dc82)
#1 celixThread_create
/home/oipo-unencrypted/Programming/celix/libs/utils/src/celix_threads.c:37
(libcelix_utils.so.2+0xda7c)
#2 pubsub_zmqTopicReceiver_create
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_admin_zmq/src/pubsub_zmq_topic_receiver.c:263
(libcelix_pubsub_admin_zmq.so.1+0xde21)
#3 pubsub_zmqAdmin_setupTopicReceiver
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_admin_zmq/src/pubsub_zmq_admin.c:569
(libcelix_pubsub_admin_zmq.so.1+0x8ced)
#4 pstm_setupTopicReceiverCallback
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_topology_manager/src/pubsub_topology_manager.c:883
(libcelix_pubsub_topology_manager.so.1+0x4873)
Invoked preReceive on first interceptor, for message with sequenceNumber [85]
Invoked preReceive on second interceptor
#5 serviceTracker_useHighestRankingServiceInternal
/home/oipo-unencrypted/Programming/celix/libs/framework/src/service_tracker.c:821
(libcelix_framework.so.2+0x31d87)
#6 celix_serviceTracker_useHighestRankingService
/home/oipo-unencrypted/Programming/celix/libs/framework/src/service_tracker.c:852
(libcelix_framework.so.2+0x34281)
#7 celix_bundleContext_useServiceWithOptions
/home/oipo-unencrypted/Programming/celix/libs/framework/src/bundle_context.c:794
(libcelix_framework.so.2+0x1bde7)
#8 celix_bundleContext_useServiceWithId
/home/oipo-unencrypted/Programming/celix/libs/framework/src/bundle_context.c:741
(libcelix_framework.so.2+0x1bf23)
#9 pstm_setupTopicReceivers
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_topology_manager/src/pubsub_topology_manager.c:932
(libcelix_pubsub_topology_manager.so.1+0x5b16)
#10 pstm_psaHandlingThread
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_topology_manager/src/pubsub_topology_manager.c:972
(libcelix_pubsub_topology_manager.so.1+0x5b16)
Recv (poi1): [84.313637, -54.971437] (Bundle#9, fw-ed28c892
[TID=140216499042048], extra value, len data 19314)
#11 <null> <null> (libtsan.so.0+0x2b3c6)
Key=Value
sequence.number=85
Thread T14 'ZMQbg/IO/0' (tid=65370, running) created by thread T5 at:
#0 pthread_create <null> (libtsan.so.0+0x2dc82)
#1 <null> <null> (libzmq.so.5+0x6d9ac)
#2 pubsub_zmqAdmin_setupTopicReceiver
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_admin_zmq/src/pubsub_zmq_admin.c:569
(libcelix_pubsub_admin_zmq.so.1+0x8ced)
Invoked postReceive on first interceptor, for message with sequenceNumber
[85]
Invoked postReceive on second interceptor
#3 pstm_setupTopicReceiverCallback
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_topology_manager/src/pubsub_topology_manager.c:883
(libcelix_pubsub_topology_manager.so.1+0x4873)
#4 serviceTracker_useHighestRankingServiceInternal
/home/oipo-unencrypted/Programming/celix/libs/framework/src/service_tracker.c:821
(libcelix_framework.so.2+0x31d87)
#5 celix_serviceTracker_useHighestRankingService
/home/oipo-unencrypted/Programming/celix/libs/framework/src/service_tracker.c:852
(libcelix_framework.so.2+0x34281)
#6 celix_bundleContext_useServiceWithOptions
/home/oipo-unencrypted/Programming/celix/libs/framework/src/bundle_context.c:794
(libcelix_framework.so.2+0x1bde7)
#7 celix_bundleContext_useServiceWithId
/home/oipo-unencrypted/Programming/celix/libs/framework/src/bundle_context.c:741
(libcelix_framework.so.2+0x1bf23)
#8 pstm_setupTopicReceivers
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_topology_manager/src/pubsub_topology_manager.c:932
(libcelix_pubsub_topology_manager.so.1+0x5b16)
#9 pstm_psaHandlingThread
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_topology_manager/src/pubsub_topology_manager.c:972
(libcelix_pubsub_topology_manager.so.1+0x5b16)
#10 <null> <null> (libtsan.so.0+0x2b3c6)
SUMMARY: ThreadSanitizer: data race
/home/oipo-unencrypted/Programming/celix/bundles/pubsub/pubsub_protocol_wire_v1/src/pubsub_wire_protocol_impl.c:339
in pubsubProtocol_parseNetstring
==================
```
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