Details
Minor Description
Set to minor because only old versions are affected, and the use case is not of practical importance.
Run with --mysqld=--thread-handling=pool-of-threads.
--source include/have_innodb.inc
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--source include/have_pool_of_threads.inc
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CREATE TABLE t (pk INT PRIMARY KEY) ENGINE=InnoDB; |
SET GLOBAL custom_cache.key_buffer_size = 65536; |
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--connect (con1,localhost,root,,test)
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XA START 'xid'; |
SET STATEMENT MAX_STATEMENT_TIME= 0.000001 FOR CACHE INDEX t IN custom_cache; |
SELECT * FROM t; |
--disconnect con1
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--connection default
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--error ER_XAER_NOTA
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XA ROLLBACK 'xid'; |
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# Cleanup
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DROP TABLE t; |
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10.2 5a8766a9 |
==3621429==ERROR: AddressSanitizer: heap-use-after-free on address 0x62a0000c3360 at pc 0x7f2e615db039 bp 0x7f2e4996f110 sp 0x7f2e4996e8c0
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READ of size 19 at 0x62a0000c3360 thread T31
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#0 0x7f2e615db038 in MemcmpInterceptorCommon(void*, int (*)(void const*, void const*, unsigned long), void const*, void const*, unsigned long) ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:839
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#1 0x7f2e615db648 in __interceptor_memcmp ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:871
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#2 0x7f2e615db648 in __interceptor_memcmp ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:866
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#3 0x55ac2eb9fb6b in my_strnncoll_binary /data/src/10.2/strings/ctype-bin.c:85
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#4 0x55ac2eb7784b in l_find /data/src/10.2/mysys/lf_hash.c:136
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#5 0x55ac2eb79614 in l_search /data/src/10.2/mysys/lf_hash.c:289
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#6 0x55ac2eb79614 in lf_hash_search_using_hash_value /data/src/10.2/mysys/lf_hash.c:491
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#7 0x55ac2d5664f2 in xid_cache_search(THD*, xid_t*) /data/src/10.2/sql/sql_class.cc:5562
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#8 0x55ac2d944b14 in trans_xa_rollback(THD*) /data/src/10.2/sql/transaction.cc:1001
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#9 0x55ac2d616ee5 in mysql_execute_command(THD*) /data/src/10.2/sql/sql_parse.cc:5902
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#10 0x55ac2d621d87 in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /data/src/10.2/sql/sql_parse.cc:7793
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#11 0x55ac2d6281ce in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /data/src/10.2/sql/sql_parse.cc:1827
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#12 0x55ac2d62c06d in do_command(THD*) /data/src/10.2/sql/sql_parse.cc:1381
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#13 0x55ac2d9dd9f0 in threadpool_process_request /data/src/10.2/sql/threadpool_common.cc:375
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#14 0x55ac2d9dd9f0 in tp_callback(TP_connection*) /data/src/10.2/sql/threadpool_common.cc:191
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#15 0x55ac2dafd0ad in worker_main /data/src/10.2/sql/threadpool_generic.cc:1612
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#16 0x55ac2eaa0144 in pfs_spawn_thread /data/src/10.2/storage/perfschema/pfs.cc:1869
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#17 0x7f2e61082ea6 in start_thread nptl/pthread_create.c:477
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#18 0x7f2e60c87dee in __clone (/lib/x86_64-linux-gnu/libc.so.6+0xfddee)
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0x62a0000c3360 is located 12640 bytes inside of 21872-byte region [0x62a0000c0200,0x62a0000c5770)
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freed by thread T33 here:
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#0 0x7f2e615f9b6f in __interceptor_free ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:123
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#1 0x55ac2d9dd666 in threadpool_remove_connection /data/src/10.2/sql/threadpool_common.cc:301
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#2 0x55ac2d9ddd68 in tp_callback(TP_connection*) /data/src/10.2/sql/threadpool_common.cc:215
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#3 0x55ac2dafd0ad in worker_main /data/src/10.2/sql/threadpool_generic.cc:1612
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#4 0x55ac2eaa0144 in pfs_spawn_thread /data/src/10.2/storage/perfschema/pfs.cc:1869
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#5 0x7f2e61082ea6 in start_thread nptl/pthread_create.c:477
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previously allocated by thread T32 here:
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#0 0x7f2e615f9e8f in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145
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#1 0x55ac2eb58702 in my_malloc /data/src/10.2/mysys/my_malloc.c:101
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#2 0x55ac2d90e8ee in ilink::operator new(unsigned long) /data/src/10.2/sql/sql_list.h:664
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#3 0x55ac2d90e8ee in CONNECT::create_thd(THD*) /data/src/10.2/sql/sql_connect.cc:1440
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#4 0x55ac2d9ddeec in threadpool_add_connection /data/src/10.2/sql/threadpool_common.cc:233
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#5 0x55ac2d9ddeec in tp_callback(TP_connection*) /data/src/10.2/sql/threadpool_common.cc:183
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#6 0x55ac2dafd0ad in worker_main /data/src/10.2/sql/threadpool_generic.cc:1612
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#7 0x55ac2eaa0144 in pfs_spawn_thread /data/src/10.2/storage/perfschema/pfs.cc:1869
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#8 0x7f2e61082ea6 in start_thread nptl/pthread_create.c:477
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Thread T31 created by T30 here:
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#0 0x7f2e615a52a2 in __interceptor_pthread_create ../../../../src/libsanitizer/asan/asan_interceptors.cpp:214
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#1 0x55ac2eaa53ca in spawn_thread_v1 /data/src/10.2/storage/perfschema/pfs.cc:1919
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#2 0x55ac2daf6c5a in inline_mysql_thread_create /data/src/10.2/include/mysql/psi/mysql_thread.h:1246
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#3 0x55ac2daf6c5a in create_worker /data/src/10.2/sql/threadpool_generic.cc:955
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#4 0x55ac2dafd91f in wait_begin(thread_group_t*) /data/src/10.2/sql/threadpool_generic.cc:1351
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#5 0x55ac2ec07d5d in vio_io_wait /data/src/10.2/vio/viosocket.c:940
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#6 0x55ac2ec0814a in vio_socket_io_wait /data/src/10.2/vio/viosocket.c:108
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#7 0x55ac2ec08489 in vio_read /data/src/10.2/vio/viosocket.c:184
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#8 0x55ac2d4334d3 in my_real_read /data/src/10.2/sql/net_serv.cc:905
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#9 0x55ac2d436306 in my_net_read_packet_reallen /data/src/10.2/sql/net_serv.cc:1175
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#10 0x55ac2d43678f in my_net_read_packet /data/src/10.2/sql/net_serv.cc:1159
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#11 0x55ac2d4e3987 in server_mpvio_read_packet /data/src/10.2/sql/sql_acl.cc:13064
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#12 0x55ac2d4b909e in native_password_authenticate /data/src/10.2/sql/sql_acl.cc:13687
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#13 0x55ac2d4b57a1 in do_auth_once /data/src/10.2/sql/sql_acl.cc:13240
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#14 0x55ac2d4fe641 in acl_authenticate(THD*, unsigned int) /data/src/10.2/sql/sql_acl.cc:13338
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#15 0x55ac2d908bce in check_connection /data/src/10.2/sql/sql_connect.cc:1004
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#16 0x55ac2d90c50f in login_connection(THD*) /data/src/10.2/sql/sql_connect.cc:1073
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#17 0x55ac2d90e3b6 in thd_prepare_connection(THD*) /data/src/10.2/sql/sql_connect.cc:1249
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#18 0x55ac2d9de325 in threadpool_add_connection /data/src/10.2/sql/threadpool_common.cc:273
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#19 0x55ac2d9de325 in tp_callback(TP_connection*) /data/src/10.2/sql/threadpool_common.cc:183
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#20 0x55ac2dafd0ad in worker_main /data/src/10.2/sql/threadpool_generic.cc:1612
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#21 0x55ac2eaa0144 in pfs_spawn_thread /data/src/10.2/storage/perfschema/pfs.cc:1869
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#22 0x7f2e61082ea6 in start_thread nptl/pthread_create.c:477
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Thread T30 created by T0 here:
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#0 0x7f2e615a52a2 in __interceptor_pthread_create ../../../../src/libsanitizer/asan/asan_interceptors.cpp:214
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#1 0x55ac2eaa53ca in spawn_thread_v1 /data/src/10.2/storage/perfschema/pfs.cc:1919
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#2 0x55ac2daf6c5a in inline_mysql_thread_create /data/src/10.2/include/mysql/psi/mysql_thread.h:1246
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#3 0x55ac2daf6c5a in create_worker /data/src/10.2/sql/threadpool_generic.cc:955
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#4 0x55ac2daf8157 in queue_put /data/src/10.2/sql/threadpool_generic.cc:1189
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#5 0x55ac2daf8157 in TP_pool_generic::add(TP_connection*) /data/src/10.2/sql/threadpool_generic.cc:1394
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#6 0x55ac2d42e24c in create_new_thread /data/src/10.2/sql/mysqld.cc:6645
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#7 0x55ac2d42e24c in handle_connections_sockets() /data/src/10.2/sql/mysqld.cc:6903
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#8 0x55ac2d43077f in mysqld_main(int, char**) /data/src/10.2/sql/mysqld.cc:6194
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#9 0x7f2e60bb0d09 in __libc_start_main ../csu/libc-start.c:308
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Thread T33 created by T32 here:
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#0 0x7f2e615a52a2 in __interceptor_pthread_create ../../../../src/libsanitizer/asan/asan_interceptors.cpp:214
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#1 0x55ac2eaa53ca in spawn_thread_v1 /data/src/10.2/storage/perfschema/pfs.cc:1919
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#2 0x55ac2daf6c5a in inline_mysql_thread_create /data/src/10.2/include/mysql/psi/mysql_thread.h:1246
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#3 0x55ac2daf6c5a in create_worker /data/src/10.2/sql/threadpool_generic.cc:955
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#4 0x55ac2dafd91f in wait_begin(thread_group_t*) /data/src/10.2/sql/threadpool_generic.cc:1351
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#5 0x55ac2ec07d5d in vio_io_wait /data/src/10.2/vio/viosocket.c:940
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#6 0x55ac2ec0814a in vio_socket_io_wait /data/src/10.2/vio/viosocket.c:108
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#7 0x55ac2ec08489 in vio_read /data/src/10.2/vio/viosocket.c:184
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#8 0x55ac2d4334d3 in my_real_read /data/src/10.2/sql/net_serv.cc:905
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#9 0x55ac2d436306 in my_net_read_packet_reallen /data/src/10.2/sql/net_serv.cc:1175
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#10 0x55ac2d43678f in my_net_read_packet /data/src/10.2/sql/net_serv.cc:1159
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#11 0x55ac2d4e3987 in server_mpvio_read_packet /data/src/10.2/sql/sql_acl.cc:13064
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#12 0x55ac2d4b909e in native_password_authenticate /data/src/10.2/sql/sql_acl.cc:13687
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#13 0x55ac2d4b57a1 in do_auth_once /data/src/10.2/sql/sql_acl.cc:13240
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#14 0x55ac2d4fe641 in acl_authenticate(THD*, unsigned int) /data/src/10.2/sql/sql_acl.cc:13338
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#15 0x55ac2d908bce in check_connection /data/src/10.2/sql/sql_connect.cc:1004
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#16 0x55ac2d90c50f in login_connection(THD*) /data/src/10.2/sql/sql_connect.cc:1073
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#17 0x55ac2d90e3b6 in thd_prepare_connection(THD*) /data/src/10.2/sql/sql_connect.cc:1249
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#18 0x55ac2d9de325 in threadpool_add_connection /data/src/10.2/sql/threadpool_common.cc:273
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#19 0x55ac2d9de325 in tp_callback(TP_connection*) /data/src/10.2/sql/threadpool_common.cc:183
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#20 0x55ac2dafd0ad in worker_main /data/src/10.2/sql/threadpool_generic.cc:1612
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#21 0x55ac2eaa0144 in pfs_spawn_thread /data/src/10.2/storage/perfschema/pfs.cc:1869
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#22 0x7f2e61082ea6 in start_thread nptl/pthread_create.c:477
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Thread T32 created by T0 here:
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#0 0x7f2e615a52a2 in __interceptor_pthread_create ../../../../src/libsanitizer/asan/asan_interceptors.cpp:214
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#1 0x55ac2eaa53ca in spawn_thread_v1 /data/src/10.2/storage/perfschema/pfs.cc:1919
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#2 0x55ac2daf6c5a in inline_mysql_thread_create /data/src/10.2/include/mysql/psi/mysql_thread.h:1246
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#3 0x55ac2daf6c5a in create_worker /data/src/10.2/sql/threadpool_generic.cc:955
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#4 0x55ac2daf8157 in queue_put /data/src/10.2/sql/threadpool_generic.cc:1189
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#5 0x55ac2daf8157 in TP_pool_generic::add(TP_connection*) /data/src/10.2/sql/threadpool_generic.cc:1394
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#6 0x55ac2d42e24c in create_new_thread /data/src/10.2/sql/mysqld.cc:6645
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#7 0x55ac2d42e24c in handle_connections_sockets() /data/src/10.2/sql/mysqld.cc:6903
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#8 0x55ac2d43077f in mysqld_main(int, char**) /data/src/10.2/sql/mysqld.cc:6194
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#9 0x7f2e60bb0d09 in __libc_start_main ../csu/libc-start.c:308
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SUMMARY: AddressSanitizer: heap-use-after-free ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:839 in MemcmpInterceptorCommon(void*, int (*)(void const*, void const*, unsigned long), void const*, void const*, unsigned long)
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Shadow bytes around the buggy address:
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0x0c5480010610: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
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0x0c5480010620: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
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0x0c5480010630: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
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0x0c5480010640: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
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0x0c5480010650: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
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=>0x0c5480010660: fd fd fd fd fd fd fd fd fd fd fd fd[fd]fd fd fd
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0x0c5480010670: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
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0x0c5480010680: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
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0x0c5480010690: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
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0x0c54800106a0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
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0x0c54800106b0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
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Shadow byte legend (one shadow byte represents 8 application bytes):
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Addressable: 00
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Partially addressable: 01 02 03 04 05 06 07
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Heap left redzone: fa
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Freed heap region: fd
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Stack left redzone: f1
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Stack mid redzone: f2
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Stack right redzone: f3
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Stack after return: f5
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Stack use after scope: f8
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Global redzone: f9
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Global init order: f6
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Poisoned by user: f7
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Container overflow: fc
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Array cookie: ac
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Intra object redzone: bb
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ASan internal: fe
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Left alloca redzone: ca
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Right alloca redzone: cb
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Shadow gap: cc
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==3621429==ABORTING
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Reproducible on 10.2, 10.3.
Could not reproduce on 10.4-10.8.