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#3 <signal handler called> #4 0x000000000077c664 in append_query_string (thd=0x32e7d88, csinfo=0x1, from=0x7f3c80021d70, to=0x7f3cff0cc660) at log_event.cc:602 #5 0x00000000005a5233 in Item_param::query_val_str (this=0x7f3c80021d60, thd=0x32e7d88, str=0x7f3cff0cc660) at item.cc:3156 #6 0x00000000007389e7 in insert_params_with_log (stmt=0x7f3c8001d7b8, null_array=0x3364682 "", read_pos=0x3364686 "", data_end=0x3364686 "", query=0x7f3cff0cc7b0) at sql_prepare.cc:807 #7 0x000000000073dce5 in Prepared_statement::set_parameters (this=0x7f3c8001d7b8, expanded_query=0x7f3cff0cc7b0, packet=0x3364684 "\001\061", packet_end=0x3364686 "") at sql_prepare.cc:3250 #8 0x000000000073ddc3 in Prepared_statement::execute_loop (this=0x7f3c8001d7b8, expanded_query=0x7f3cff0cc7b0, open_cursor=false, packet=0x3364682 "", packet_end=0x3364686 "") at sql_prepare.cc:3316 #9 0x000000000073c0da in mysqld_stmt_execute (thd=0x32e7d88, packet_arg=0x3364679 "\002", packet_length=13) at sql_prepare.cc:2519 #10 0x0000000000688dcf in dispatch_command (command=COM_STMT_EXECUTE, thd=0x32e7d88, packet=0x3364679 "\002", packet_length=13) at sql_parse.cc:1249 #11 0x0000000000687edc in do_command (thd=0x32e7d88) at sql_parse.cc:906 #12 0x0000000000684e73 in handle_one_connection (arg=0x32e7d88) at sql_connect.cc:1238 #13 0x00007f3cfe426e9a in start_thread (arg=0x7f3cff0cd700) at pthread_create.c:308
Stack trace from:
revision-id: sergii@pisem.net-20130320202051-m8qdk6zvcci9vr5s revno: 3194 branch-nick: 5.1
Also reproducible on all of current MariaDB 5.1-10.0, MySQL 5.1-5.6.
Test case:
<?php // Suppressing warning: // PHP Warning: mysqli::mysqli(): Headers and client library minor version mismatch. Headers:50167 Library:50307 $mysqli = @new mysqli( "127.0.0.1", "root", "", "mysql"); if ($mysqli->connect_errno) { echo "Failed to connect to MySQL: (" . $mysqli->connect_errno . ") " . $mysqli->connect_error; } $result = mysqli_query( $mysqli, "SELECT VERSION()" ); print_r( mysqli_fetch_row( $result ) ); mysqli_query( $mysqli, "SET GLOBAL general_log = 1"); $result = mysqli_query( $mysqli, "SHOW GLOBAL VARIABLES LIKE 'general_log'" ); print_r( mysqli_fetch_row( $result ) ); if (!($stmti = $mysqli->prepare("SELECT * FROM mysql.user LIMIT ?"))) { echo "Prepare failed: (" . $mysqli->errno . ") " . $mysqli->error; } $int = 1; if (!$stmti->bind_param("i", $int)) { echo "Binding parameters failed: (" . $stmti->errno . ") " . $stmti->error; } if (!$stmti->execute()) { echo "Execute failed: (" . $stmti->errno . ") " . $stmti->error; } else { echo "Int Success\n"; } if (!$stmti->execute()) { echo "Execute failed: (" . $stmti->errno . ") " . $stmti->error; } else { echo "Int Success\n"; } $stmti->free_result(); $stmti->close(); if (!($stmts = $mysqli->prepare("SELECT * FROM mysql.user LIMIT ?"))) { echo "Prepare failed: (" . $mysqli->errno . ") " . $mysqli->error; } $str = '1'; if (!$stmts->bind_param("s", $str)) { echo "Binding parameters failed: (" . $stmts->errno . ") " . $stmts->error; } if (!$stmts->execute()) { echo "Execute failed: (" . $stmts->errno . ") " . $stmts->error; } else { echo "Str Success\n"; } if (!$stmts->execute()) { echo "Execute failed: (" . $stmts->errno . ") " . $stmts->error; } else { echo "Str Success\n"; } $stmts->free_result(); $stmts->close(); ?>
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general log:
/data/bzr/5.5/sql/mysqld, Version: 5.5.30-MariaDB-debug (Source distribution). started with:
Tcp port: 3306 Unix socket: /data/bzr/5.5/data/tmp/mysql.sock
Time Id Command Argument
130326 16:19:29 2 Query SHOW GLOBAL VARIABLES LIKE 'general_log'
2 Prepare SELECT * FROM mysql.user LIMIT ?
2 Execute SELECT * FROM mysql.user LIMIT 1
2 Execute SELECT * FROM mysql.user LIMIT 1
2 Close stmt
2 Prepare SELECT * FROM mysql.user LIMIT ?
2 Execute SELECT * FROM mysql.user LIMIT 1