XA: Server crashes in lock_release upon closing connection

--source include/have_innodb.inc

CREATE TABLE t1 (col1 INT, col2 INT) ENGINE = InnoDB;

INSERT INTO t1 VALUES (1,1);

--connect(con1,localhost,root,,test)

XA BEGIN 'xid';

INSERT INTO t1 VALUES (1,0);

--connection default

--send

DELETE FROM t1;

--connection con1

--send

DELETE FROM t1;

--connect(con2,localhost,root,,test)

SET innodb_lock_wait_timeout= 1;

--send

ALTER TABLE t1 ADD UNIQUE KEY uidx(col1);

--connection con1

--error 0,ER_LOCK_DEADLOCK

--reap

--error 0,ER_DUP_ENTRY

INSERT INTO t1 VALUES (2,2),(2,2);

--error ER_XAER_RMFAIL

ALTER TABLE t1 FORCE;

UPDATE t1 SET col2 = 2;

# Cleanup

--disconnect con1

--connection con2

--error 0,ER_LOCK_WAIT_TIMEOUT,ER_DUP_ENTRY

--reap

--disconnect con2

--connection default

--error 0,ER_LOCK_DEADLOCK

--reap

DROP TABLE t1;

#3  <signal handler called>

#4  0x00007fcd2cb9cb55 in lock_release (trx=0x7fcd20832478) at /data/src/10.0/storage/innobase/lock/lock0lock.cc:4803

#5  0x00007fcd2cba2095 in lock_trx_release_locks (trx=0x7fcd20832478) at /data/src/10.0/storage/innobase/lock/lock0lock.cc:7047

#6  0x00007fcd2ccb9c9c in trx_commit_in_memory (trx=0x7fcd20832478, lsn=1652367) at /data/src/10.0/storage/innobase/trx/trx0trx.cc:1182

#7  0x00007fcd2ccba6f0 in trx_commit_low (trx=0x7fcd20832478, mtr=0x7fcd36312660) at /data/src/10.0/storage/innobase/trx/trx0trx.cc:1389

#8  0x00007fcd2ccba761 in trx_commit (trx=0x7fcd20832478) at /data/src/10.0/storage/innobase/trx/trx0trx.cc:1410

#9  0x00007fcd2ccaf3a4 in trx_rollback_finish (trx=0x7fcd20832478) at /data/src/10.0/storage/innobase/trx/trx0roll.cc:1339

#10 0x00007fcd2ccac946 in trx_rollback_to_savepoint_low (trx=0x7fcd20832478, savept=0x0) at /data/src/10.0/storage/innobase/trx/trx0roll.cc:114

#11 0x00007fcd2ccacc7f in trx_rollback_for_mysql_low (trx=0x7fcd20832478) at /data/src/10.0/storage/innobase/trx/trx0roll.cc:169

#12 0x00007fcd2ccacfa9 in trx_rollback_for_mysql (trx=0x7fcd20832478) at /data/src/10.0/storage/innobase/trx/trx0roll.cc:200

#13 0x00007fcd2cb41728 in innobase_rollback (hton=0x7fcd2ed11270, thd=0x7fcd2878a070, rollback_trx=true) at /data/src/10.0/storage/innobase/handler/ha_innodb.cc:4018

#14 0x000000000083ce93 in ha_rollback_trans (thd=0x7fcd2878a070, all=true) at /data/src/10.0/sql/handler.cc:1644

#15 0x000000000077cd90 in trans_rollback (thd=0x7fcd2878a070) at /data/src/10.0/sql/transaction.cc:309

#16 0x0000000000610769 in THD::cleanup (this=0x7fcd2878a070) at /data/src/10.0/sql/sql_class.cc:1536

#17 0x000000000058f620 in thd_cleanup (thd=0x7fcd2878a070) at /data/src/10.0/sql/mysqld.cc:2633

#18 0x000000000058f741 in unlink_thd (thd=0x7fcd2878a070) at /data/src/10.0/sql/mysqld.cc:2691

#19 0x000000000058fb38 in one_thread_per_connection_end (thd=0x7fcd2878a070, put_in_cache=true) at /data/src/10.0/sql/mysqld.cc:2817

#20 0x0000000000769d94 in do_handle_one_connection (thd_arg=0x7fcd2878a070) at /data/src/10.0/sql/sql_connect.cc:1388

#21 0x0000000000769a64 in handle_one_connection (arg=0x7fcd2878a070) at /data/src/10.0/sql/sql_connect.cc:1292

#22 0x0000000000aca5dc in pfs_spawn_thread (arg=0x7fcd2871b970) at /data/src/10.0/storage/perfschema/pfs.cc:1861

#23 0x00007fcd35fe2494 in start_thread (arg=0x7fcd36313700) at pthread_create.c:333

#24 0x00007fcd3439b93f in clone () from /lib/x86_64-linux-gnu/libc.so.6

==14178==ERROR: AddressSanitizer: heap-use-after-free on address 0x61600005e918 at pc 0x7f35d8c4d828 bp 0x7f35cb63ae60 sp 0x7f35cb63ae58

READ of size 8 at 0x61600005e918 thread T22

    #0 0x7f35d8c4d827 in lock_release /data/src/10.0/storage/innobase/lock/lock0lock.cc:4803

    #1 0x7f35d8c4d827 in lock_trx_release_locks(trx_t*) /data/src/10.0/storage/innobase/lock/lock0lock.cc:7047

    #2 0x7f35d8ea322e in trx_commit_in_memory /data/src/10.0/storage/innobase/trx/trx0trx.cc:1182

    #3 0x7f35d8ea322e in trx_commit_low(trx_t*, mtr_t*) /data/src/10.0/storage/innobase/trx/trx0trx.cc:1389

    #4 0x7f35d8ea555c in trx_commit(trx_t*) /data/src/10.0/storage/innobase/trx/trx0trx.cc:1410

    #5 0x7f35d8e80bba in trx_rollback_finish /data/src/10.0/storage/innobase/trx/trx0roll.cc:1339

    #6 0x7f35d8e89db2 in trx_rollback_to_savepoint_low /data/src/10.0/storage/innobase/trx/trx0roll.cc:114

    #7 0x7f35d8e8a6f8 in trx_rollback_for_mysql_low /data/src/10.0/storage/innobase/trx/trx0roll.cc:169

    #8 0x7f35d8e8ab47 in trx_rollback_for_mysql(trx_t*) /data/src/10.0/storage/innobase/trx/trx0roll.cc:200

    #9 0x7f35d8b9ab36 in innobase_rollback /data/src/10.0/storage/innobase/handler/ha_innodb.cc:4018

    #10 0xb67976 in ha_rollback_trans(THD*, bool) /data/src/10.0/sql/handler.cc:1642

    #11 0x9a5c56 in trans_rollback(THD*) /data/src/10.0/sql/transaction.cc:309

    #12 0x64802e in THD::cleanup() /data/src/10.0/sql/sql_class.cc:1536

    #13 0x52239a in thd_cleanup(THD*) /data/src/10.0/sql/mysqld.cc:2633

    #14 0x522a03 in unlink_thd(THD*) /data/src/10.0/sql/mysqld.cc:2691

    #15 0x523026 in one_thread_per_connection_end(THD*, bool) /data/src/10.0/sql/mysqld.cc:2817

    #16 0x978ccf in do_handle_one_connection(THD*) /data/src/10.0/sql/sql_connect.cc:1388

    #17 0x978e5e in handle_one_connection /data/src/10.0/sql/sql_connect.cc:1292

    #18 0x11b294a in pfs_spawn_thread /data/src/10.0/storage/perfschema/pfs.cc:1861

    #19 0x7f35e32f6493 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x7493)

    #20 0x7f35e16af93e in __clone (/lib/x86_64-linux-gnu/libc.so.6+0xe893e)

0x61600005e918 is located 152 bytes inside of 568-byte region [0x61600005e880,0x61600005eab8)

freed by thread T23 here:

    #0 0x7f35e3560527 in __interceptor_free (/usr/lib/x86_64-linux-gnu/libasan.so.1+0x54527)

    #1 0x7f35d8c83042 in mem_area_free(void*, mem_pool_t*) /data/src/10.0/storage/innobase/mem/mem0pool.cc:519

    #2 0x7f35d8ecaba8 (/data/bld/10.0-asan/lib/plugin/ha_innodb.so+0x660ba8)

previously allocated by thread T23 here:

    #0 0x7f35e356073f in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.1+0x5473f)

    #1 0x7f35d8c82609 in mem_area_alloc(unsigned long*, mem_pool_t*) /data/src/10.0/storage/innobase/mem/mem0pool.cc:381

Thread T22 created by T0 here:

    #0 0x7f35e352fbba in pthread_create (/usr/lib/x86_64-linux-gnu/libasan.so.1+0x23bba)

    #1 0x11be1a1 in spawn_thread_v1 /data/src/10.0/storage/perfschema/pfs.cc:1911

Thread T23 created by T0 here:

    #0 0x7f35e352fbba in pthread_create (/usr/lib/x86_64-linux-gnu/libasan.so.1+0x23bba)

    #1 0x11be1a1 in spawn_thread_v1 /data/src/10.0/storage/perfschema/pfs.cc:1911

SUMMARY: AddressSanitizer: heap-use-after-free /data/src/10.0/storage/innobase/lock/lock0lock.cc:4803 lock_release

Shadow bytes around the buggy address:

  0x0c2c80003cd0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c2c80003ce0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c2c80003cf0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fa

  0x0c2c80003d00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c2c80003d10: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

=>0x0c2c80003d20: fd fd fd[fd]fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c2c80003d30: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c2c80003d40: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c2c80003d50: fd fd fd fd fd fd fd fa fa fa fa fa fa fa fa fa

  0x0c2c80003d60: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c2c80003d70: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

Shadow byte legend (one shadow byte represents 8 application bytes):

  Addressable:           00

  Partially addressable: 01 02 03 04 05 06 07 

  Heap left redzone:       fa

  Heap right redzone:      fb

  Freed heap region:       fd

  Stack left redzone:      f1

  Stack mid redzone:       f2

  Stack right redzone:     f3

  Stack partial redzone:   f4

  Stack after return:      f5

  Stack use after scope:   f8

  Global redzone:          f9

  Global init order:       f6

  Poisoned by user:        f7

  Contiguous container OOB:fc

  ASan internal:           fe

==14178==ABORTING