Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Fixed
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10.5, 10.1(EOL), 10.2(EOL), 10.3(EOL), 10.4(EOL)
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None
Description
To repeat:
=========
LD_LIBRARY_PATH=/bug_repo/llvm-toolchain-9-9/libc++msan/lib/ ./mtr rpl_parallel_conflicts --repeat 3
Logging: bug_repo/test-10.5-msan/mysql-test/mysql-test-run.pl rpl_parallel_conflicts --repeat 3
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vardir: /bug_repo/test-10.5-msan/bld/mysql-test/var
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Checking leftover processes...
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Removing old var directory...
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Creating var directory '/bug_repo/test-10.5-msan/bld/mysql-test/var'...
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Checking supported features...
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MariaDB Version 10.5.4-MariaDB-debug
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- SSL connections supported
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- binaries are debug compiled
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- binaries built with wsrep patch
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Collecting tests...
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Installing system database...
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==============================================================================
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TEST RESULT TIME (ms) or COMMENT
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--------------------------------------------------------------------------
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worker[1] Using MTR_BUILD_THREAD 300, with reserved ports 16000..16019
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rpl.rpl_parallel_conflicts 'innodb,mix' [ pass ] 4165
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rpl.rpl_parallel_conflicts 'innodb,mix' [ 2 pass ] 4391
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rpl.rpl_parallel_conflicts 'innodb,mix' [ 3 pass ] 4616
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rpl.rpl_parallel_conflicts 'innodb,row' [ fail ]
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Test ended at 2020-06-05 11:14:48
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CURRENT_TEST: rpl.rpl_parallel_conflicts
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mysqltest: In included file "./include/sync_with_master_gtid.inc":
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included from /home/sujatha/bug_repo/test-10.5-msan/mysql-test/suite/rpl/t/rpl_parallel_conflicts.test at line 203:
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At line 43: query 'let $_result= `SELECT master_gtid_wait('$master_pos', $_slave_timeout)`' failed: 2013: Lost connection to MySQL server during query
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The result from queries just before the failure was:
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< snip >
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81 81
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83 83
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85 85
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87 87
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88 88
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89 89
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90 90
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91 91
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92 92
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93 93
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94 94
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95 95
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96 96
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97 97
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98 98
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99 99
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include/save_master_gtid.inc
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connection server_2;
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include/start_slave.inc
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include/sync_with_master_gtid.inc
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2020-06-05 11:14:47 5 [Note] 'CHANGE MASTER TO executed'. Previous state master_host='', master_port='3306', master_log_file='', master_log_pos='4'. New state master_host='127.0.0.1', master_port='16000', master_log_file='master-bin.000001', master_log_pos='4'.
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2020-06-05 11:14:47 7 [Note] Slave I/O thread: Start asynchronous replication to master 'root@127.0.0.1:16000' in log 'master-bin.000001' at position 4
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2020-06-05 11:14:47 8 [Note] Slave SQL thread initialized, starting replication in log 'master-bin.000001' at position 4, relay log './slave-relay-bin.000001' position: 4
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2020-06-05 11:14:47 7 [Note] Slave I/O thread: connected to master 'root@127.0.0.1:16000',replication started in log 'master-bin.000001' at position 4
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2020-06-05 11:14:48 8 [Note] Slave SQL thread exiting, replication stopped in log 'master-bin.000001' at position 814
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2020-06-05 11:14:48 7 [Note] Slave I/O thread exiting, read up to log 'master-bin.000001', position 814
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2020-06-05 11:14:48 11 [Note] Slave I/O thread: Start asynchronous replication to master 'root@127.0.0.1:16000' in log 'master-bin.000001' at position 814
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2020-06-05 11:14:48 11 [Note] Slave I/O thread: connected to master 'root@127.0.0.1:16000',replication started in log 'master-bin.000001' at position 814
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2020-06-05 11:14:48 12 [Note] Slave SQL thread initialized, starting replication in log 'master-bin.000001' at position 814, relay log './slave-relay-bin.000002' position: 1114
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Uninitialized bytes in __interceptor_write at offset 57 inside [0x725000041018, 114)
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Uninitialized bytes in __interceptor_write at offset 57 inside [0x725000041018, 114)
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==17820==WARNING: MemorySanitizer: use-of-uninitialized-value
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#0 0x5586cf8317ec in my_write /home/sujatha/bug_repo/test-10.5-msan/mysys/my_write.c:49:19
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#1 0x5586cf75c126 in inline_mysql_file_write /home/sujatha/bug_repo/test-10.5-msan/include/mysql/psi/mysql_file.h:1166:13
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#2 0x5586cf75c126 in _my_b_cache_write /home/sujatha/bug_repo/test-10.5-msan/mysys/mf_iocache.c:1768:7
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#3 0x5586cf74fa78 in my_b_flush_io_cache /home/sujatha/bug_repo/test-10.5-msan/mysys/mf_iocache.c:1967:18
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#4 0x5586ccc37e07 in Relay_log_info::flush() /home/sujatha/bug_repo/test-10.5-msan/sql/rpl_rli.cc:2595:7
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#5 0x5586ccc40cdf in Relay_log_info::stmt_done(unsigned long long, THD*, rpl_group_info*) /home/sujatha/bug_repo/test-10.5-msan/sql/rpl_rli.cc:1476:11
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#6 0x5586cd8cd65b in Log_event::do_update_pos(rpl_group_info*) /home/sujatha/bug_repo/test-10.5-msan/sql/log_event_server.cc:628:12
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#7 0x5586cc25e1b7 in Log_event::update_pos(rpl_group_info*) /home/sujatha/bug_repo/test-10.5-msan/sql/log_event.h:1512:12
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#8 0x5586cc25e1b7 in apply_event_and_update_pos_apply(Log_event*, THD*, rpl_group_info*, int) /home/sujatha/bug_repo/test-10.5-msan/sql/slave.cc:4055:20
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#9 0x5586cce63536 in rpt_handle_event(rpl_parallel_thread::queued_event*, rpl_parallel_thread*) /home/sujatha/bug_repo/test-10.5-msan/sql/rpl_parallel.cc:61:8
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#10 0x5586cce554e8 in handle_rpl_parallel_thread /home/sujatha/bug_repo/test-10.5-msan/sql/rpl_parallel.cc:1342:18
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#11 0x5586ce145b29 in pfs_spawn_thread /home/sujatha/bug_repo/test-10.5-msan/storage/perfschema/pfs.cc:2201:3
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#12 0x7f48d68796da in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x76da)
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#13 0x7f48d53c588e in clone /build/glibc-OTsEL5/glibc-2.27/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:95
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Memory was marked as uninitialized
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#0 0x5586cc0ffa4e in __msan_allocated_memory (/home/sujatha/bug_repo/test-10.5-msan/bld/sql/mariadbd+0x6dfa4e)
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#1 0x5586cf81e2b6 in my_malloc /home/sujatha/bug_repo/test-10.5-msan/mysys/my_malloc.c:111:7
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SUMMARY: MemorySanitizer: use-of-uninitialized-value /home/sujatha/bug_repo/test-10.5-msan/mysys/my_write.c:49:19 in my_write
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Exiting
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==17820==WARNING: MemorySanitizer: use-of-uninitialized-value
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----------SERVER LOG END-------------
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