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Upd: Here is a new test case, which appears to be deterministic, although still fairly fragile. I keep the initial concurrent one as well in the "Initial report" section, it needs to be re-checked after a fix.
CREATE USER u@localhost;
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--let $n= 1
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while ($n < 129)
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{
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eval CREATE ROLE r$n;
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inc $n;
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}
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CREATE ROLE n;
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CREATE ROLE d WITH ADMIN n;
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CREATE ROLE '%' WITH ADMIN u@localhost;
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DROP ROLE n;
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CREATE USER '%';
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10.3 f4484dfd
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mysqld: /data/src/10.3/sql/sql_acl.cc:3103: my_bool add_role_user_mapping_action(void*, void*): Assertion `status == 0' failed.
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190323 22:18:23 [ERROR] mysqld got signal 6 ;
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#7 0x00007f26f7e8eee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
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#8 0x00005626a662c87f in add_role_user_mapping_action (ptr=0x7f26e0041038, unused=0x0) at /data/src/10.3/sql/sql_acl.cc:3103
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#9 0x00005626a7162ef3 in my_hash_iterate (hash=0x5626a7e4d080 <acl_roles_mappings>, action=0x5626a662c812 <add_role_user_mapping_action(void*, void*)>, argument=0x0) at /data/src/10.3/mysys/hash.c:796
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#10 0x00005626a662c923 in rebuild_role_grants () at /data/src/10.3/sql/sql_acl.cc:3128
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#11 0x00005626a662b89f in acl_insert_user (user=0x7f26e0014d80 "%", host=0x5626a723d6e3 "%", password=0x5626a725256f "", password_len=0, ssl_type=SSL_TYPE_NOT_SPECIFIED, ssl_cipher=0x0, x509_issuer=0x0, x509_subject=0x0, mqh=0x7f26e0005cb8, privileges=0, plugin=0x7f26e0014da8, auth=0x7f26e0014db8) at /data/src/10.3/sql/sql_acl.cc:2759
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#12 0x00005626a6630824 in replace_user_table (thd=0x7f26e0000b00, user_table=..., combo=..., rights=0, revoke_grant=false, can_create_user=true, no_auto_create=false) at /data/src/10.3/sql/sql_acl.cc:4196
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#13 0x00005626a6643adc in mysql_create_user (thd=0x7f26e0000b00, list=..., handle_as_role=false) at /data/src/10.3/sql/sql_acl.cc:10241
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#14 0x00005626a66ed3a6 in mysql_execute_command (thd=0x7f26e0000b00) at /data/src/10.3/sql/sql_parse.cc:5389
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#15 0x00005626a66f57ac in mysql_parse (thd=0x7f26e0000b00, rawbuf=0x7f26e0014ce8 "CREATE USER '%'", length=15, parser_state=0x7f26f20355f0, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:8091
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#16 0x00005626a66e2a60 in dispatch_command (command=COM_QUERY, thd=0x7f26e0000b00, packet=0x7f26e000b1f1 "CREATE USER '%'", packet_length=15, is_com_multi=false, is_next_command=false) at /data/src/10.3/sql/sql_parse.cc:1857
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#17 0x00005626a66e144a in do_command (thd=0x7f26e0000b00) at /data/src/10.3/sql/sql_parse.cc:1403
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#18 0x00005626a6849f41 in do_handle_one_connection (connect=0x5626aa509470) at /data/src/10.3/sql/sql_connect.cc:1402
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#19 0x00005626a6849cc5 in handle_one_connection (arg=0x5626aa509470) at /data/src/10.3/sql/sql_connect.cc:1308
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#20 0x00005626a6ce67e5 in pfs_spawn_thread (arg=0x5626aa44e1d0) at /data/src/10.3/storage/perfschema/pfs.cc:1862
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#21 0x00007f26f9d7d494 in start_thread (arg=0x7f26f2036700) at pthread_create.c:333
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#22 0x00007f26f7f4b93f in clone () from /lib/x86_64-linux-gnu/libc.so.6
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Initial report:
The test is highly non-deterministic and fragile. Run with big enough --repeat=N. It usually failed for me within 50 attempts, but it can vary on different machines/builds.
CREATE USER rqa@localhost;
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GRANT CREATE USER, SUPER ON *.* TO rqa@localhost;
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--connect (con1,localhost,rqa,,test)
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CREATE ROLE o1, m1, a1, c1, g1, j1, t1, x1, c2, q1, u1, pirzd, y1, l1, n1, f1, p1, c3, v1, w1, d1, q2, h1, f2, w2, h2, n2, u2, u3, m2, t2, w3, b1, x2, f3, h3, t3, y2, m3, r1, b2, e1, y3, t4, d2, b3, v2, x3, p2, u4, s1, y4, d3, m4, n3, h4, a2, d4, l2, k1, w4, s2, e2, g2, b4, y5, t5, f4, s3, l, e, i, j2, q3, v3, o2, k2;
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CREATE ROLE '%' WITH ADMIN l;
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CREATE ROLE r, g3;
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DROP ROLE e, r;
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SET ROLE i;
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--connection default
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--send
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CREATE USER c@localhost;
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--connection con1
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DROP ROLE l;
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# Cleanup
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--disconnect con1
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--connection default
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--reap
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DROP ROLE o1, m1, a1, c1, g1, j1, t1, x1, c2, q1, u1, pirzd, y1, l1, n1, f1, p1, c3, v1, w1, d1, q2, h1, f2, w2, h2, n2, u2, u3, m2, t2, w3, b1, x2, f3, h3, t3, y2, m3, r1, b2, e1, y3, t4, d2, b3, v2, x3, p2, u4, s1, y4, d3, m4, n3, h4, a2, d4, l2, k1, w4, s2, e2, g2, b4, y5, t5, f4, s3, l, i, j2, q3, v3, o2, k2, g3, '%';
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DROP USER rqa@localhost, c@localhost;
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10.0 4886d1482
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mysqld: /data/src/10.0/sql/sql_acl.cc:2473: my_bool add_role_user_mapping_action(void*, void*): Assertion `status == 0' failed.
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181210 17:59:47 [ERROR] mysqld got signal 6 ;
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#7 0x00007f1b7d29aee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
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#8 0x00000000005c84f2 in add_role_user_mapping_action (ptr=0x7f1b755122c8, unused=0x0) at /data/src/10.0/sql/sql_acl.cc:2473
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#9 0x0000000000e065ee in my_hash_iterate (hash=0x17e7280 <acl_roles_mappings>, action=0x5c8490 <add_role_user_mapping_action(void*, void*)>, argument=0x0) at /data/src/10.0/mysys/hash.c:770
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#10 0x00000000005c8598 in rebuild_role_grants () at /data/src/10.0/sql/sql_acl.cc:2498
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#11 0x00000000005c7735 in acl_insert_user (user=0x7f1b759a4128 "c", host=0x7f1b759a4130 "localhost", password=0xed7cb0 "", password_len=0, ssl_type=SSL_TYPE_NOT_SPECIFIED, ssl_cipher=0x0, x509_issuer=0x0, x509_subject=0x0, mqh=0x7f1b787e9b00, privileges=0, plugin=0x7f1b759a4170, auth=0x7f1b759a4180) at /data/src/10.0/sql/sql_acl.cc:2130
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#12 0x00000000005cb55b in replace_user_table (thd=0x7f1b787e5070, table=0x7f1b754b0c70, combo=..., rights=0, revoke_grant=false, can_create_user=true, no_auto_create=false) at /data/src/10.0/sql/sql_acl.cc:3331
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#13 0x00000000005dc4c9 in mysql_create_user (thd=0x7f1b787e5070, list=..., handle_as_role=false) at /data/src/10.0/sql/sql_acl.cc:9322
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#14 0x000000000065220b in mysql_execute_command (thd=0x7f1b787e5070) at /data/src/10.0/sql/sql_parse.cc:4091
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#15 0x00000000006589d0 in mysql_parse (thd=0x7f1b787e5070, rawbuf=0x7f1b759a4088 "CREATE USER c@localhost", length=23, parser_state=0x7f1b7f14f640) at /data/src/10.0/sql/sql_parse.cc:6637
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#16 0x000000000064b2f0 in dispatch_command (command=COM_QUERY, thd=0x7f1b787e5070, packet=0x7f1b772b6071 "CREATE USER c@localhost", packet_length=23) at /data/src/10.0/sql/sql_parse.cc:1300
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#17 0x000000000064a5f0 in do_command (thd=0x7f1b787e5070) at /data/src/10.0/sql/sql_parse.cc:1003
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#18 0x000000000076bf08 in do_handle_one_connection (thd_arg=0x7f1b787e5070) at /data/src/10.0/sql/sql_connect.cc:1377
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#19 0x000000000076bc7a in handle_one_connection (arg=0x7f1b787e5070) at /data/src/10.0/sql/sql_connect.cc:1292
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#20 0x0000000000acdb54 in pfs_spawn_thread (arg=0x7f1b772ad570) at /data/src/10.0/storage/perfschema/pfs.cc:1861
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#21 0x00007f1b7ed83494 in start_thread (arg=0x7f1b7f150700) at pthread_create.c:333
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#22 0x00007f1b7d35793f in clone () from /lib/x86_64-linux-gnu/libc.so.6
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No visible effect on a non-debug build.
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