90 lines
3.4 KiB
C++
90 lines
3.4 KiB
C++
/* Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#include <memory.h>
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#include "my_thread.h"
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#include "storage/perfschema/pfs_buffer_container.h"
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#include "storage/perfschema/pfs_global.h"
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#include "storage/perfschema/pfs_instr.h"
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#include "storage/perfschema/pfs_instr_class.h"
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#include "storage/perfschema/pfs_stat.h"
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#include "storage/perfschema/unittest/stub_pfs_plugin_table.h"
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#include "unittest/mytap/tap.h"
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static void test_digest_length_overflow() {
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if (sizeof(size_t) != 4) {
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skip(3, "digest length overflow requires a 32-bit environment");
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return;
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}
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PFS_global_param param;
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memset(¶m, 0, sizeof(param));
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param.m_enabled = true;
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/*
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Force 32-bit arithmetic overflow using the digest memory allocation
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parameters. The Performance Schema should detect the overflow, free
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allocated memory and abort initialization with a warning.
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*/
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/* Max digest length, events_statements_history_long. */
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param.m_events_statements_history_long_sizing = 10000;
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param.m_digest_sizing = 1000;
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param.m_max_digest_length = (1024 * 1024);
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param.m_max_sql_text_length = 0;
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pfs_max_digest_length = param.m_max_digest_length;
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pfs_max_sqltext = param.m_max_sql_text_length;
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int rc = init_events_statements_history_long(
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param.m_events_statements_history_long_sizing);
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ok(rc == 1, "digest length overflow (init_events_statements_history_long");
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/* Max sql text length, events_statements_history_long. */
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param.m_max_sql_text_length = (1024 * 1024);
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param.m_max_digest_length = 0;
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pfs_max_digest_length = param.m_max_digest_length;
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pfs_max_sqltext = param.m_max_sql_text_length;
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rc = init_events_statements_history_long(
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param.m_events_statements_history_long_sizing);
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ok(rc == 1, "sql text length overflow (init_events_statements_history_long");
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/* Max digest length, events_statements_summary_by_digest. */
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param.m_max_digest_length = (1024 * 1024);
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param.m_digest_sizing = 10000;
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pfs_max_digest_length = param.m_max_digest_length;
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pfs_max_sqltext = param.m_max_sql_text_length;
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rc = init_digest(¶m);
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ok(rc == 1, "digest length overflow (init_digest)");
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}
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static void do_all_tests() { test_digest_length_overflow(); }
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int main(int, char **) {
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plan(3);
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MY_INIT("pfs_misc-t");
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do_all_tests();
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my_end(0);
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return (exit_status());
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}
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