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| author | Marc Alff <marc.alff@oracle.com> | 2013-02-28 13:19:15 +0100 |
|---|---|---|
| committer | Marc Alff <marc.alff@oracle.com> | 2013-02-28 13:19:15 +0100 |
| commit | 99f83c66841749a3e7507cc38a86c05823f5f2c7 (patch) | |
| tree | 2b9ca5e7aea1dbfc524050a3b8a9916aac1d062c /storage/perfschema/pfs_engine_table.cc | |
| parent | 94b1b6533d56541787683f79ccf9b23995c3a7b3 (diff) | |
| download | mariadb-git-99f83c66841749a3e7507cc38a86c05823f5f2c7.tar.gz | |
Bug#16414644 ASSERTION FAILED: SIZE == PFS_ALLOCATED_MEMORY
Before this fix, the command
SHOW ENGINE PERFORMANCE_SCHEMA STATUS
could report wrong amount of memory allocated,
when the amount of memory used exceeds 4GB.
The problem is that size computations are not done using size_t,
so that overflows do occur, truncating the results.
This fix compute memory sizes properly with size_t.
Tested manually.
No test script provided, as the script would need to allocate too much
memory for the test.
Diffstat (limited to 'storage/perfschema/pfs_engine_table.cc')
| -rw-r--r-- | storage/perfschema/pfs_engine_table.cc | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/storage/perfschema/pfs_engine_table.cc b/storage/perfschema/pfs_engine_table.cc index 38f6df3003d..2c9951e3f46 100644 --- a/storage/perfschema/pfs_engine_table.cc +++ b/storage/perfschema/pfs_engine_table.cc @@ -1,4 +1,4 @@ -/* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. +/* Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -512,7 +512,7 @@ bool pfs_show_status(handlerton *hton, THD *thd, uint buflen; const char *name; int i; - uint size; + size_t size; DBUG_ENTER("pfs_show_status"); @@ -526,7 +526,7 @@ bool pfs_show_status(handlerton *hton, THD *thd, if (stat != HA_ENGINE_STATUS) DBUG_RETURN(false); - uint total_memory= 0; + size_t total_memory= 0; for (i=0; /* empty */; i++) { @@ -763,7 +763,7 @@ bool pfs_show_status(handlerton *hton, THD *thd, break; } - buflen= int10_to_str(size, buf, 10) - buf; + buflen= longlong10_to_str(size, buf, 10) - buf; if (print(thd, PERFORMANCE_SCHEMA_str.str, PERFORMANCE_SCHEMA_str.length, name, strlen(name), |