[MDEV-13083] Assertion `prev == 0 && next == 0' or wrong usage of mutex 'LOCK_thread_count' and 'LOCK_status' Created: 2017-06-13  Updated: 2020-12-01

Status: Confirmed
Project: MariaDB Server
Component/s: Locking, Plugins
Affects Version/s: 10.1, 10.2
Fix Version/s: 10.2

Type: Bug Priority: Minor
Reporter: Elena Stepanova Assignee: Unassigned
Resolution: Unresolved Votes: 0
Labels: handlersocket


 Description   

scripts/mysql_install_db --no-defaults --plugin-load=handlersocket --handlersocket_port=9998

10.1 3976ec1e8 debug

handlersocket: terminated
safe_mutex: Found wrong usage of mutex 'LOCK_thread_count' and 'LOCK_status'
Mutex currently locked (in reverse order):
LOCK_status                       /data/src/10.1/sql/sql_class.h  line 3853
LOCK_thread_count                 /data/src/10.1/plugin/handler_socket/handlersocket/database.cpp  line 350

10.2 7a12894de1 debug

mysqld: /data/src/10.2/sql/sql_class.cc:1559: virtual THD::~THD(): Assertion `prev == 0 && next == 0' failed.
170613 23:02:55 [ERROR] mysqld got signal 6 ;
 
#3  0x00007f28a6c23ee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
#4  0x0000556b5a297d20 in THD::~THD (this=0x7f2884000b00, __in_chrg=<optimized out>) at /data/src/10.2/sql/sql_class.cc:1559
#5  0x0000556b5a298478 in THD::~THD (this=0x7f2884000b00, __in_chrg=<optimized out>) at /data/src/10.2/sql/sql_class.cc:1636
#6  0x00007f28a496b857 in dena::dbcontext::term_thread (this=0x556b5d1b5ce0) at /data/src/10.2/plugin/handler_socket/handlersocket/database.cpp:348
#7  0x00007f28a497a75c in dena::(anonymous namespace)::thr_init::~thr_init (this=0x7f2893ffee90, __in_chrg=<optimized out>) at /data/src/10.2/plugin/handler_socket/handlersocket/hstcpsvr_worker.cpp:322
#8  0x00007f28a497a8ae in dena::hstcpsvr_worker::run (this=0x556b5d1b5c20) at /data/src/10.2/plugin/handler_socket/handlersocket/hstcpsvr_worker.cpp:346
#9  0x00007f28a498596f in dena::worker_throbj::operator() (this=0x556b5d1b5bf0) at /data/src/10.2/plugin/handler_socket/handlersocket/hstcpsvr.cpp:34
#10 0x00007f28a49871a6 in dena::thread<dena::worker_throbj>::thread_main (arg=0x556b5d1b5bf0) at /data/src/10.2/plugin/handler_socket/libhsclient/thread.hpp:71
#11 0x00007f28a8b68494 in start_thread (arg=0x7f2893fff700) at pthread_create.c:333
#12 0x00007f28a6ce093f in clone () from /lib/x86_64-linux-gnu/libc.so.6


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