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These issues were found by Coverity static analysis tool, for more info
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see messages by particular fixes (messages belong to 5.1.61).
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Filed upstream at http://bugs.mysql.com/bug.php?id=64631
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Error: BUFFER_SIZE_WARNING:
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/builddir/build/BUILD/mysql-5.1.61/sql/sql_prepare.cc:2749: buffer_size_warning: Calling strncpy with a maximum size argument of 512 bytes on destination array "this->stmt->last_error" of size 512 bytes might leave the destination string unterminated.
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diff -up mariadb-5.5.28a/sql/sql_prepare.cc.p20 mariadb-5.5.28a/sql/sql_prepare.cc
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--- mariadb-5.5.28a/sql/sql_prepare.cc.p20 2012-11-28 16:49:36.000000000 +0100
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+++ mariadb-5.5.28a/sql/sql_prepare.cc 2012-12-17 17:45:24.232151645 +0100
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@@ -2975,7 +2975,7 @@ void mysql_stmt_get_longdata(THD *thd, c
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{
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stmt->state= Query_arena::STMT_ERROR;
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stmt->last_errno= thd->stmt_da->sql_errno();
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- strncpy(stmt->last_error, thd->stmt_da->message(), MYSQL_ERRMSG_SIZE);
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+ strncpy(stmt->last_error, thd->stmt_da->message(), sizeof(stmt->last_error)-1);
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}
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thd->stmt_da= save_stmt_da;
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thd->warning_info= save_warinig_info;
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Error: STRING_OVERFLOW:
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/builddir/build/BUILD/mysql-5.1.61/storage/innodb_plugin/handler/ha_innodb.cc:6544: fixed_size_dest: You might overrun the 512 byte fixed-size string "name2" by copying "name" without checking the length.
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/builddir/build/BUILD/mysql-5.1.61/storage/innodb_plugin/handler/ha_innodb.cc:6544: parameter_as_source: Note: This defect has an elevated risk because the source argument is a parameter of the current function.
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diff -up mariadb-5.5.28a/sql/sql_trigger.cc.p20 mariadb-5.5.28a/sql/sql_trigger.cc
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diff -up mariadb-5.5.28a/storage/innobase/handler/ha_innodb.cc.p20 mariadb-5.5.28a/storage/innobase/handler/ha_innodb.cc
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--- mariadb-5.5.28a/storage/innobase/handler/ha_innodb.cc.p20 2012-11-28 16:49:36.000000000 +0100
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+++ mariadb-5.5.28a/storage/innobase/handler/ha_innodb.cc 2012-12-17 17:45:24.239151651 +0100
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@@ -7094,7 +7094,7 @@ ha_innobase::create(
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ut_a(strlen(name) < sizeof(name2));
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- strcpy(name2, name);
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+ strncpy(name2, name, sizeof(name2)-1);
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normalize_table_name(norm_name, name2);
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