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Posted to dev@qpid.apache.org by "Ken Giusti (Jira)" <ji...@apache.org> on 2021/09/24 19:59:00 UTC
[jira] [Assigned] (PROTON-2436) TSAN race in epoll.c post_event
with raw connection
[ https://issues.apache.org/jira/browse/PROTON-2436?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ken Giusti reassigned PROTON-2436:
----------------------------------
Assignee: Clifford Jansen
> TSAN race in epoll.c post_event with raw connection
> ---------------------------------------------------
>
> Key: PROTON-2436
> URL: https://issues.apache.org/jira/browse/PROTON-2436
> Project: Qpid Proton
> Issue Type: Bug
> Components: proton-c
> Affects Versions: proton-c-0.36.0
> Reporter: Ken Giusti
> Assignee: Clifford Jansen
> Priority: Major
>
> today's github CI run of dispatch+proton main kicked up a tsan error in proton I've never seen before:
>
>
> 2021-09-24T14:14:38.8473691Z 70: WARNING: ThreadSanitizer: data race (pid=3075) 2021-09-24T14:14:38.8474334Z 70: Write of size 4 at 0x7b680000dd38 by main thread (mutexes: write M257): 2021-09-24T14:14:38.8476236Z 70: #0 post_event /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2304 (libqpid-proton-proactor.so.1+0x14108) 2021-09-24T14:14:38.8478174Z 70: #1 poller_do_epoll /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2534 (libqpid-proton-proactor.so.1+0x14108) 2021-09-24T14:14:38.8480058Z 70: #2 next_event_batch /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2438 (libqpid-proton-proactor.so.1+0x14108) 2021-09-24T14:14:38.8481975Z 70: #3 pn_proactor_wait /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2650 (libqpid-proton-proactor.so.1+0x14622) 2021-09-24T14:14:38.8483587Z 70: #4 thread_run /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1118 (qdrouterd+0x4d83a9) 2021-09-24T14:14:38.8484952Z 70: #5 qd_server_run /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1527 (qdrouterd+0x4d904c) 2021-09-24T14:14:38.8486318Z 70: #6 main_process /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:115 (qdrouterd+0x426cdc) 2021-09-24T14:14:38.8487662Z 70: #7 main /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369 (qdrouterd+0x42623c) 2021-09-24T14:14:38.8488359Z 70: 2021-09-24T14:14:38.8488860Z 70: Previous read of size 4 at 0x7b680000dd38 by thread T3 (mutexes: write M499): 2021-09-24T14:14:38.8490388Z 70: #0 pni_raw_connection_process /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll_raw_connection.c:355 (libqpid-proton-proactor.so.1+0x108ec) 2021-09-24T14:14:38.8492336Z 70: #1 process /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2230 (libqpid-proton-proactor.so.1+0x108ec) 2021-09-24T14:14:38.8494429Z 70: #2 next_event_batch /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2419 (libqpid-proton-proactor.so.1+0x108ec) 2021-09-24T14:14:38.8496344Z 70: #3 pn_proactor_wait /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2650 (libqpid-proton-proactor.so.1+0x14622) 2021-09-24T14:14:38.8497949Z 70: #4 thread_run /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1118 (qdrouterd+0x4d83a9) 2021-09-24T14:14:38.8499333Z 70: #5 _thread_init /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/posix/threading.c:172 (qdrouterd+0x47fe2d) 2021-09-24T14:14:38.8500087Z 70: 2021-09-24T14:14:38.8500600Z 70: Location is heap block of size 1536 at 0x7b680000d800 allocated by main thread: 2021-09-24T14:14:38.8501235Z 70: #0 calloc <null> (libtsan.so.0+0x32b3e) 2021-09-24T14:14:38.8502668Z 70: #1 pn_raw_connection /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll_raw_connection.c:168 (libqpid-proton-proactor.so.1+0xdf82) 2021-09-24T14:14:38.8504577Z 70: #2 _do_reconnect /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/adaptors/http1/http1_server.c:451 (qdrouterd+0x43da47) 2021-09-24T14:14:38.8506029Z 70: #3 qd_timer_visit /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/timer.c:316 (qdrouterd+0x4daddf) 2021-09-24T14:14:38.8507358Z 70: #4 handle /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1018 (qdrouterd+0x4d60d6) 2021-09-24T14:14:38.8508705Z 70: #5 thread_run /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1133 (qdrouterd+0x4d84e7) 2021-09-24T14:14:38.8510215Z 70: #6 qd_server_run /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1527 (qdrouterd+0x4d904c) 2021-09-24T14:14:38.8511583Z 70: #7 main_process /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:115 (qdrouterd+0x426cdc) 2021-09-24T14:14:38.8512922Z 70: #8 main /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369 (qdrouterd+0x42623c) 2021-09-24T14:14:38.8513614Z 70: 2021-09-24T14:14:38.8514010Z 70: Mutex M257 (0x7b640003aa20) created at: 2021-09-24T14:14:38.8514591Z 70: #0 pthread_mutex_init <null> (libtsan.so.0+0x49603) 2021-09-24T14:14:38.8516000Z 70: #1 pmutex_init /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll-internal.h:323 (libqpid-proton-proactor.so.1+0xd52c) 2021-09-24T14:14:38.8517880Z 70: #2 pn_proactor /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:1941 (libqpid-proton-proactor.so.1+0xd52c) 2021-09-24T14:14:38.8519450Z 70: #3 qd_server /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1380 (qdrouterd+0x4d872f) 2021-09-24T14:14:38.8520852Z 70: #4 qd_dispatch_prepare /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/dispatch.c:334 (qdrouterd+0x4604b6) 2021-09-24T14:14:38.8521757Z 70: #5 ffi_call_unix64 <null> (libffi.so.6+0x6c03) 2021-09-24T14:14:38.8522851Z 70: #6 main_process /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:97 (qdrouterd+0x426c7c) 2021-09-24T14:14:38.8524189Z 70: #7 main /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369 (qdrouterd+0x42623c) 2021-09-24T14:14:38.8524888Z 70: 2021-09-24T14:14:38.8525265Z 70: Mutex M499 (0x7b680000d800) created at: 2021-09-24T14:14:38.8525836Z 70: #0 pthread_mutex_init <null> (libtsan.so.0+0x49603) 2021-09-24T14:14:38.8527279Z 70: #1 pmutex_init /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll-internal.h:323 (libqpid-proton-proactor.so.1+0x146eb) 2021-09-24T14:14:38.8529179Z 70: #2 task_init /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:224 (libqpid-proton-proactor.so.1+0x146eb) 2021-09-24T14:14:38.8531190Z 70: #3 praw_connection_init /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll_raw_connection.c:141 (libqpid-proton-proactor.so.1+0x146eb) 2021-09-24T14:14:38.8533261Z 70: #4 pn_proactor_raw_connect /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll_raw_connection.c:179 (libqpid-proton-proactor.so.1+0x146eb) 2021-09-24T14:14:38.8535048Z 70: #5 _do_reconnect /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/adaptors/http1/http1_server.c:455 (qdrouterd+0x43daa2) 2021-09-24T14:14:38.8536482Z 70: #6 qd_timer_visit /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/timer.c:316 (qdrouterd+0x4daddf) 2021-09-24T14:14:38.8537813Z 70: #7 handle /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1018 (qdrouterd+0x4d60d6) 2021-09-24T14:14:38.8539153Z 70: #8 thread_run /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1133 (qdrouterd+0x4d84e7) 2021-09-24T14:14:38.8540504Z 70: #9 qd_server_run /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1527 (qdrouterd+0x4d904c) 2021-09-24T14:14:38.8541878Z 70: #10 main_process /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:115 (qdrouterd+0x426cdc) 2021-09-24T14:14:38.8543207Z 70: #11 main /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369 (qdrouterd+0x42623c) 2021-09-24T14:14:38.8543916Z 70: 2021-09-24T14:14:38.8548679Z 70: Thread T3 (tid=3079, running) created by main thread at: 2021-09-24T14:14:38.8549339Z 70: #0 pthread_create <null> (libtsan.so.0+0x5bf45) 2021-09-24T14:14:38.8551585Z 70: #1 sys_thread /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/posix/threading.c:181 (qdrouterd+0x4802bc) 2021-09-24T14:14:38.8553173Z 70: #2 qd_server_run /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1525 (qdrouterd+0x4d902c) 2021-09-24T14:14:38.8554570Z 70: #3 main_process /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:115 (qdrouterd+0x426cdc) 2021-09-24T14:14:38.8555918Z 70: #4 main /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369 (qdrouterd+0x42623c) 2021-09-24T14:14:38.8556613Z 70: 2021-09-24T14:14:38.8557638Z 70: SUMMARY: ThreadSanitizer: data race /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2304 in post_event
>
>
> Proton main latest (commit 30b245a48d7461fd41854e5bb63eadf19cbb26bd)
>
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