| 1 | /* Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved. |
| 2 | |
| 3 | This program is free software; you can redistribute it and/or modify |
| 4 | it under the terms of the GNU General Public License as published by |
| 5 | the Free Software Foundation; version 2 of the License. |
| 6 | |
| 7 | This program is distributed in the hope that it will be useful, |
| 8 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | GNU General Public License for more details. |
| 11 | |
| 12 | You should have received a copy of the GNU General Public License |
| 13 | along with this program; if not, write to the Free Software Foundation, |
| 14 | 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */ |
| 15 | |
| 16 | #include <my_global.h> |
| 17 | #include <pfs_instr.h> |
| 18 | #include <pfs_stat.h> |
| 19 | #include <pfs_global.h> |
| 20 | #include <pfs_instr_class.h> |
| 21 | #include <tap.h> |
| 22 | |
| 23 | #include <memory.h> |
| 24 | |
| 25 | void test_digest_length_overflow() |
| 26 | { |
| 27 | if (sizeof(size_t) != 4) |
| 28 | { |
| 29 | skip(2, "digest length overflow requires a 32-bit environment" ); |
| 30 | return; |
| 31 | } |
| 32 | |
| 33 | PFS_global_param param; |
| 34 | memset(¶m, 0, sizeof(param)); |
| 35 | param.m_enabled= true; |
| 36 | /* |
| 37 | Force 32-bit arithmetic overflow using the digest memory allocation |
| 38 | parameters. The Performance Schema should detect the overflow, free |
| 39 | allocated memory and abort initialization with a warning. |
| 40 | */ |
| 41 | |
| 42 | /* Max digest length, events_statements_history_long. */ |
| 43 | param.m_events_statements_history_long_sizing= 10000; |
| 44 | param.m_digest_sizing= 1000; |
| 45 | param.m_max_digest_length= (1024 * 1024); |
| 46 | pfs_max_digest_length= param.m_max_digest_length; |
| 47 | |
| 48 | int rc = init_events_statements_history_long(param.m_events_statements_history_long_sizing); |
| 49 | ok(rc == 1, "digest length overflow (init_events_statements_history_long" ); |
| 50 | |
| 51 | /* Max digest length, events_statements_summary_by_digest. */ |
| 52 | param.m_max_digest_length= (1024 * 1024); |
| 53 | param.m_digest_sizing= 10000; |
| 54 | |
| 55 | rc = init_digest(¶m); |
| 56 | ok(rc == 1, "digest length overflow (init_digest)" ); |
| 57 | } |
| 58 | |
| 59 | void do_all_tests() |
| 60 | { |
| 61 | test_digest_length_overflow(); |
| 62 | } |
| 63 | |
| 64 | int main(int, char **) |
| 65 | { |
| 66 | plan(2); |
| 67 | MY_INIT("pfs_misc-t" ); |
| 68 | do_all_tests(); |
| 69 | my_end(0); |
| 70 | return (exit_status()); |
| 71 | } |
| 72 | |
| 73 | |