[DISPATCH-2069] ThreadSanitizer: data race at qdr_core_free in system_tests_policy

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 1.16.0
• Fix Version/s: 1.20.0
• Labels: race-condition tsan
• Assignee: Ken Giusti
• Reporter: Jiri Daněk
• Created: 21/Apr/21 09:22
• Updated: 15/Mar/22 21:54

Description

TSAN_OPTIONS=second_deadlock_stack=1 router/qdrouterd -c ./tests/system_test.dir/system_tests_policy/LoadPolicyFromFolder/setUpClass/conn-limit-router.conf -I /home/jdanek/repos/qpid/qpid-dispatch/python

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WARNING: ThreadSanitizer: data race (pid=5929)
  Write of size 1 at 0x7b6400031b20 by main thread:
    #0 qdr_core_free ../src/router_core/router_core.c:138 (libqpid-dispatch.so+0xc18f4)
    #1 qd_router_free ../src/router_node.c:2157 (libqpid-dispatch.so+0xe3bde)
    #2 qd_dispatch_free ../src/dispatch.c:372 (libqpid-dispatch.so+0x71387)
    #3 main_process ../router/src/main.c:119 (qdrouterd+0x40263a)
    #4 main ../router/src/main.c:369 (qdrouterd+0x4032ae)

  Previous read of size 1 at 0x7b6400031b20 by thread T1:
    #0 router_core_thread ../src/router_core/router_core_thread.c:210 (libqpid-dispatch.so+0xc41ce)
    #1 _thread_init ../src/posix/threading.c:172 (libqpid-dispatch.so+0x8f3cf)
    #2 <null> <null> (libtsan.so.0+0x30f0f)

  Location is heap block of size 1160 at 0x7b6400031b00 allocated by main thread:
    #0 malloc <null> (libtsan.so.0+0x33dc1)
    #1 qd_malloc ../include/qpid/dispatch/ctools.h:229 (libqpid-dispatch.so+0xbd690)
    #2 qdr_core ../src/router_core/router_core.c:71 (libqpid-dispatch.so+0xbd690)
    #3 qd_router_setup_late ../src/router_node.c:2119 (libqpid-dispatch.so+0xe3a56)
    #4 ffi_call_unix64 <null> (libffi.so.7+0x7abc)
    #5 main_process ../router/src/main.c:97 (qdrouterd+0x4025ae)
    #6 main ../router/src/main.c:369 (qdrouterd+0x4032ae)

  Thread T1 (tid=5931, running) created by main thread at:
    #0 pthread_create <null> (libtsan.so.0+0x5cba2)
    #1 sys_thread ../src/posix/threading.c:181 (libqpid-dispatch.so+0x8f89b)
    #2 qdr_core ../src/router_core/router_core.c:122 (libqpid-dispatch.so+0xbd91b)
    #3 qd_router_setup_late ../src/router_node.c:2119 (libqpid-dispatch.so+0xe3a56)
    #4 ffi_call_unix64 <null> (libffi.so.7+0x7abc)
    #5 main_process ../router/src/main.c:97 (qdrouterd+0x4025ae)
    #6 main ../router/src/main.c:369 (qdrouterd+0x4032ae)

SUMMARY: ThreadSanitizer: data race ../src/router_core/router_core.c:138 in qdr_core_free
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