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| author | Jan Lindström <jplindst@mariadb.org> | 2014-07-08 17:21:13 +0300 |
|---|---|---|
| committer | Jan Lindström <jplindst@mariadb.org> | 2014-07-08 17:21:13 +0300 |
| commit | 970163d0be0d0c2fdb3fb29badba3fde6c40858d (patch) | |
| tree | 22266a3df2d02595c2de6e350d8e0c5950bbb41d /storage/xtradb/page | |
| parent | 8d8c456dbb4d227dd8ee8053fb6c86f9d649296e (diff) | |
| download | mariadb-git-970163d0be0d0c2fdb3fb29badba3fde6c40858d.tar.gz | |
MDEV-6348: mariadb crash signal 11
Analysis: sync array output function, should make sure that all
used pointers are valid before using them.
Diffstat (limited to 'storage/xtradb/page')
| -rw-r--r-- | storage/xtradb/page/page0zip.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/storage/xtradb/page/page0zip.c b/storage/xtradb/page/page0zip.c index 40d794770ff..de9a6fd920a 100644 --- a/storage/xtradb/page/page0zip.c +++ b/storage/xtradb/page/page0zip.c @@ -1,6 +1,7 @@ /***************************************************************************** Copyright (c) 2005, 2013, Oracle and/or its affiliates. All Rights Reserved. +Copyright (c) 2014, SkySQL Ab. 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 the Free Software @@ -1269,6 +1270,28 @@ page_zip_compress( goto err_exit; } + /* Simulate a compression failure with a probability determined by + innodb_simulate_comp_failures, only if the page has 2 or more + records. */ + + if (srv_simulate_comp_failures + && page_get_n_recs(page) >= 2 + && ((ulint)(rand() % 100) < srv_simulate_comp_failures)) { + +#ifdef UNIV_DEBUG + fprintf(stderr, + "InnoDB: Simulating a compression failure" + " for table %s, index %s, page %lu (%s)\n", + index->table_name, + index->name, + page_get_page_no(page), + page_is_leaf(page) ? "leaf" : "non-leaf"); + +#endif + + goto err_exit; + } + heap = mem_heap_create(page_zip_get_size(page_zip) + n_fields * (2 + sizeof *offsets) + n_dense * ((sizeof *recs) |