[DISPATCH-2313] TSAN data race in remote_sasl.c

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: Container
• Labels: race-condition tsan
• Assignee: Unassigned
• Reporter: Ganesh Murthy
• Created: 20/Jan/22 21:39
• Updated: 27/Jan/22 13:48

Description

43: E           SUMMARY: ThreadSanitizer: data race /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/remote_sasl.c:425 in remote_sasl_list_mechs
43: E           ==================
43: E           ==================
43: E           WARNING: ThreadSanitizer: data race (pid=3109)
43: E             Read of size 1 at 0x7b0400001900 by main thread:
43: E               #0 strlen <null> (libtsan.so.0+0x5c2eb)
43: E               #1 pn_strdup /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/core/util.c:122 (libqpid-proton-core.so.10+0x3e2c2)
43: E               #2 pni_post_sasl_frame /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/sasl/sasl.c:495 (libqpid-proton-core.so.10+0x3e2c2)
43: E               #3 pn_output_write_sasl /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/sasl/sasl.c:693 (libqpid-proton-core.so.10+0x3e819)
43: E               #4 transport_produce /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/core/transport.c:2820 (libqpid-proton-core.so.10+0x2f7a4)
43: E               #5 pn_transport_pending /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/core/transport.c:3110 (libqpid-proton-core.so.10+0x2f7a4)
43: E               #6 pn_connection_driver_write_buffer /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/core/connection_driver.c:112 (libqpid-proton-core.so.10+0x24d5d)
43: E               #7 ensure_wbuf /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:827 (libqpid-proton-proactor.so.1+0x8ece)
43: E               #8 write_flush /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:1074 (libqpid-proton-proactor.so.1+0x8ece)
43: E               #9 pconnection_process /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:1243 (libqpid-proton-proactor.so.1+0xaa8c)
43: E               #10 process /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2209 (libqpid-proton-proactor.so.1+0x106a6)
43: E               #11 next_event_batch /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2419 (libqpid-proton-proactor.so.1+0x106a6)
43: E               #12 pn_proactor_wait /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2650 (libqpid-proton-proactor.so.1+0x145b2)
43: E               #13 thread_run /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1118 (qdrouterd+0x4dadb9)
43: E               #14 qd_server_run /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1527 (qdrouterd+0x4dba5c)
43: E               #15 main_process /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:115 (qdrouterd+0x426e5c)
43: E               #16 main /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369 (qdrouterd+0x42626c)
43: E           
43: E             Previous write of size 8 at 0x7b0400001900 by thread T2:
43: E               #0 malloc <null> (libtsan.so.0+0x32919)
43: E               #1 strdup <null> (libc.so.6+0x9ffbe)
43: E               #2 qd_strdup /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/include/qpid/dispatch/ctools.h:266 (qdrouterd+0x480647)
43: E               #3 remote_sasl_process_mechanisms /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/remote_sasl.c:378 (qdrouterd+0x480647)
43: E               #4 pni_sasl_impl_process_mechanisms /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/sasl/sasl.c:239 (libqpid-proton-core.so.10+0x402eb)
43: E               #5 pn_do_mechanisms /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/sasl/sasl.c:956 (libqpid-proton-core.so.10+0x402eb)
43: E               #6 pni_dispatch_action /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/core/dispatcher.c:75 (libqpid-proton-core.so.10+0x221f8)
43: E               #7 pni_dispatch_frame /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/core/dispatcher.c:116 (libqpid-proton-core.so.10+0x221f8)
43: E               #8 pn_dispatcher_input /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/core/dispatcher.c:135 (libqpid-proton-core.so.10+0x221f8)
43: E               #9 pn_input_read_sasl /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/sasl/sasl.c:620 (libqpid-proton-core.so.10+0x3d64f)
43: E               #10 transport_consume /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/core/transport.c:1931 (libqpid-proton-core.so.10+0x2da2d)
43: E               #11 pn_transport_process /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/core/transport.c:3088 (libqpid-proton-core.so.10+0x2dbd9)
43: E               #12 pn_connection_driver_read_done /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/core/connection_driver.c:98 (libqpid-proton-core.so.10+0x24c8c)
43: E               #13 pconnection_process /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:1205 (libqpid-proton-proactor.so.1+0xb122)
43: E               #14 process /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2209 (libqpid-proton-proactor.so.1+0x106a6)
43: E               #15 next_event_batch /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2419 (libqpid-proton-proactor.so.1+0x106a6)
43: E               #16 pn_proactor_wait /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2650 (libqpid-proton-proactor.so.1+0x145b2)
43: E               #17 thread_run /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1118 (qdrouterd+0x4dadb9)
43: E               #18 _thread_init /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/posix/threading.c:172 (qdrouterd+0x48160d)
43: E           
43: E             Location is heap block of size 6 at 0x7b0400001900 allocated by thread T2:
43: E               #0 malloc <null> (libtsan.so.0+0x32919)
43: E               #1 strdup <null> (libc.so.6+0x9ffbe)
43: E               #2 qd_strdup /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/include/qpid/dispatch/ctools.h:266 (qdrouterd+0x480647)
43: E               #3 remote_sasl_process_mechanisms /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/remote_sasl.c:378 (qdrouterd+0x480647)
43: E               #4 pni_sasl_impl_process_mechanisms /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/sasl/sasl.c:239 (libqpid-proton-core.so.10+0x402eb)
43: E               #5 pn_do_mechanisms /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/sasl/sasl.c:956 (libqpid-proton-core.so.10+0x402eb)
43: E               #6 pni_dispatch_action /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/core/dispatcher.c:75 (libqpid-proton-core.so.10+0x221f8)
43: E               #7 pni_dispatch_frame /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/core/dispatcher.c:116 (libqpid-proton-core.so.10+0x221f8)
43: E               #8 pn_dispatcher_input /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/core/dispatcher.c:135 (libqpid-proton-core.so.10+0x221f8)
43: E               #9 pn_input_read_sasl /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/sasl/sasl.c:620 (libqpid-proton-core.so.10+0x3d64f)
43: E               #10 transport_consume /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/core/transport.c:1931 (libqpid-proton-core.so.10+0x2da2d)
43: E               #11 pn_transport_process /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/core/transport.c:3088 (libqpid-proton-core.so.10+0x2dbd9)
43: E               #12 pn_connection_driver_read_done /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/core/connection_driver.c:98 (libqpid-proton-core.so.10+0x24c8c)
43: E               #13 pconnection_process /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:1205 (libqpid-proton-proactor.so.1+0xb122)
43: E               #14 process /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2209 (libqpid-proton-proactor.so.1+0x106a6)
43: E               #15 next_event_batch /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2419 (libqpid-proton-proactor.so.1+0x106a6)
43: E               #16 pn_proactor_wait /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2650 (libqpid-proton-proactor.so.1+0x145b2)
43: E               #17 thread_run /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1118 (qdrouterd+0x4dadb9)
43: E               #18 _thread_init /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/posix/threading.c:172 (qdrouterd+0x48160d)
43: E           
43: E             Thread T2 (tid=3117, running) created by main thread at:
43: E               #0 pthread_create <null> (libtsan.so.0+0x5bef5)
43: E               #1 sys_thread /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/posix/threading.c:181 (qdrouterd+0x481a9c)
43: E               #2 qd_server_run /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1525 (qdrouterd+0x4dba3c)
43: E               #3 main_process /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:115 (qdrouterd+0x426e5c)
43: E               #4 main /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369 (qdrouterd+0x42626c) 

Issue Links

• duplicates: DISPATCH-2197 Data race in system_tests_auth_service_plugin involving remote_sasl_list_mechs