[
https://issues.apache.org/jira/browse/PROTON-2436?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jiri Daněk updated PROTON-2436:
-------------------------------
Description:
today's github CI run of dispatch+proton main kicked up a tsan error in proton
I've never seen before:
https://github.com/apache/qpid-dispatch/runs/3700836319?check_suite_focus=true#step:27:2142
{noformat}
70: WARNING: ThreadSanitizer: data race (pid=3075)
70: Write of size 4 at 0x7b680000dd38 by main thread (mutexes: write M257):
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)
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)
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)
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)
70: #4 thread_run
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1118
(qdrouterd+0x4d83a9)
70: #5 qd_server_run
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1527
(qdrouterd+0x4d904c)
70: #6 main_process
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:115
(qdrouterd+0x426cdc)
70: #7 main
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369
(qdrouterd+0x42623c)
70:
70: Previous read of size 4 at 0x7b680000dd38 by thread T3 (mutexes: write
M499):
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)
70: #1 process
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2230
(libqpid-proton-proactor.so.1+0x108ec)
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)
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)
70: #4 thread_run
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1118
(qdrouterd+0x4d83a9)
70: #5 _thread_init
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/posix/threading.c:172
(qdrouterd+0x47fe2d)
70:
70: Location is heap block of size 1536 at 0x7b680000d800 allocated by main
thread:
70: #0 calloc <null> (libtsan.so.0+0x32b3e)
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)
70: #2 _do_reconnect
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/adaptors/http1/http1_server.c:451
(qdrouterd+0x43da47)
70: #3 qd_timer_visit
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/timer.c:316
(qdrouterd+0x4daddf)
70: #4 handle
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1018
(qdrouterd+0x4d60d6)
70: #5 thread_run
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1133
(qdrouterd+0x4d84e7)
70: #6 qd_server_run
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1527
(qdrouterd+0x4d904c)
70: #7 main_process
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:115
(qdrouterd+0x426cdc)
70: #8 main
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369
(qdrouterd+0x42623c)
70:
70: Mutex M257 (0x7b640003aa20) created at:
70: #0 pthread_mutex_init <null> (libtsan.so.0+0x49603)
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)
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)
70: #3 qd_server
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1380
(qdrouterd+0x4d872f)
70: #4 qd_dispatch_prepare
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/dispatch.c:334
(qdrouterd+0x4604b6)
70: #5 ffi_call_unix64 <null> (libffi.so.6+0x6c03)
70: #6 main_process
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:97
(qdrouterd+0x426c7c)
70: #7 main
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369
(qdrouterd+0x42623c)
70:
70: Mutex M499 (0x7b680000d800) created at:
70: #0 pthread_mutex_init <null> (libtsan.so.0+0x49603)
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)
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)
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)
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)
70: #5 _do_reconnect
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/adaptors/http1/http1_server.c:455
(qdrouterd+0x43daa2)
70: #6 qd_timer_visit
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/timer.c:316
(qdrouterd+0x4daddf)
70: #7 handle
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1018
(qdrouterd+0x4d60d6)
70: #8 thread_run
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1133
(qdrouterd+0x4d84e7)
70: #9 qd_server_run
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1527
(qdrouterd+0x4d904c)
70: #10 main_process
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:115
(qdrouterd+0x426cdc)
70: #11 main
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369
(qdrouterd+0x42623c)
70:
70: Thread T3 (tid=3079, running) created by main thread at:
70: #0 pthread_create <null> (libtsan.so.0+0x5bf45)
70: #1 sys_thread
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/posix/threading.c:181
(qdrouterd+0x4802bc)
70: #2 qd_server_run
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1525
(qdrouterd+0x4d902c)
70: #3 main_process
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:115
(qdrouterd+0x426cdc)
70: #4 main
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369
(qdrouterd+0x42623c)
70:
70: SUMMARY: ThreadSanitizer: data race
/home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2304
in post_event
70: ==================
70: ThreadSanitizer: reported 1 warnings
{noformat}
Proton main latest (commit 30b245a48d7461fd41854e5bb63eadf19cbb26bd)
was:
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)
> 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:
> https://github.com/apache/qpid-dispatch/runs/3700836319?check_suite_focus=true#step:27:2142
>
> {noformat}
> 70: WARNING: ThreadSanitizer: data race (pid=3075)
> 70: Write of size 4 at 0x7b680000dd38 by main thread (mutexes: write M257):
> 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)
> 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)
> 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)
> 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)
> 70: #4 thread_run
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1118
> (qdrouterd+0x4d83a9)
> 70: #5 qd_server_run
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1527
> (qdrouterd+0x4d904c)
> 70: #6 main_process
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:115
> (qdrouterd+0x426cdc)
> 70: #7 main
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369
> (qdrouterd+0x42623c)
> 70:
> 70: Previous read of size 4 at 0x7b680000dd38 by thread T3 (mutexes: write
> M499):
> 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)
> 70: #1 process
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2230
> (libqpid-proton-proactor.so.1+0x108ec)
> 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)
> 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)
> 70: #4 thread_run
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1118
> (qdrouterd+0x4d83a9)
> 70: #5 _thread_init
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/posix/threading.c:172
> (qdrouterd+0x47fe2d)
> 70:
> 70: Location is heap block of size 1536 at 0x7b680000d800 allocated by main
> thread:
> 70: #0 calloc <null> (libtsan.so.0+0x32b3e)
> 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)
> 70: #2 _do_reconnect
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/adaptors/http1/http1_server.c:451
> (qdrouterd+0x43da47)
> 70: #3 qd_timer_visit
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/timer.c:316
> (qdrouterd+0x4daddf)
> 70: #4 handle
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1018
> (qdrouterd+0x4d60d6)
> 70: #5 thread_run
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1133
> (qdrouterd+0x4d84e7)
> 70: #6 qd_server_run
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1527
> (qdrouterd+0x4d904c)
> 70: #7 main_process
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:115
> (qdrouterd+0x426cdc)
> 70: #8 main
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369
> (qdrouterd+0x42623c)
> 70:
> 70: Mutex M257 (0x7b640003aa20) created at:
> 70: #0 pthread_mutex_init <null> (libtsan.so.0+0x49603)
> 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)
> 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)
> 70: #3 qd_server
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1380
> (qdrouterd+0x4d872f)
> 70: #4 qd_dispatch_prepare
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/dispatch.c:334
> (qdrouterd+0x4604b6)
> 70: #5 ffi_call_unix64 <null> (libffi.so.6+0x6c03)
> 70: #6 main_process
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:97
> (qdrouterd+0x426c7c)
> 70: #7 main
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369
> (qdrouterd+0x42623c)
> 70:
> 70: Mutex M499 (0x7b680000d800) created at:
> 70: #0 pthread_mutex_init <null> (libtsan.so.0+0x49603)
> 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)
> 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)
> 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)
> 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)
> 70: #5 _do_reconnect
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/adaptors/http1/http1_server.c:455
> (qdrouterd+0x43daa2)
> 70: #6 qd_timer_visit
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/timer.c:316
> (qdrouterd+0x4daddf)
> 70: #7 handle
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1018
> (qdrouterd+0x4d60d6)
> 70: #8 thread_run
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1133
> (qdrouterd+0x4d84e7)
> 70: #9 qd_server_run
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1527
> (qdrouterd+0x4d904c)
> 70: #10 main_process
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:115
> (qdrouterd+0x426cdc)
> 70: #11 main
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369
> (qdrouterd+0x42623c)
> 70:
> 70: Thread T3 (tid=3079, running) created by main thread at:
> 70: #0 pthread_create <null> (libtsan.so.0+0x5bf45)
> 70: #1 sys_thread
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/posix/threading.c:181
> (qdrouterd+0x4802bc)
> 70: #2 qd_server_run
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/src/server.c:1525
> (qdrouterd+0x4d902c)
> 70: #3 main_process
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:115
> (qdrouterd+0x426cdc)
> 70: #4 main
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-dispatch/router/src/main.c:369
> (qdrouterd+0x42623c)
> 70:
> 70: SUMMARY: ThreadSanitizer: data race
> /home/runner/work/qpid-dispatch/qpid-dispatch/qpid-proton/c/src/proactor/epoll.c:2304
> in post_event
> 70: ==================
> 70: ThreadSanitizer: reported 1 warnings
> {noformat}
>
>
> Proton main latest (commit 30b245a48d7461fd41854e5bb63eadf19cbb26bd)
>
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