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Viewing changes to storage/innodb_plugin/page/page0page.c

  • Committer: Package Import Robot
  • Author(s): Marc Deslauriers
  • Date: 2012-02-22 08:30:45 UTC
  • mfrom: (1.4.1)
  • Revision ID: package-import@ubuntu.com-20120222083045-2rd53r4bnyx7qus4
Tags: 5.1.61-0ubuntu0.11.04.1
https://launchpad.net/bugs/937869
* SECURITY UPDATE: Update to 5.1.61 to fix multiple security issues
  (LP: #937869)
  - http://www.oracle.com/technetwork/topics/security/cpujan2012-366304.html
  - CVE-2011-2262
  - CVE-2012-0075
  - CVE-2012-0112
  - CVE-2012-0113
  - CVE-2012-0114
  - CVE-2012-0115
  - CVE-2012-0116
  - CVE-2012-0117
  - CVE-2012-0118
  - CVE-2012-0119
  - CVE-2012-0120
  - CVE-2012-0484
  - CVE-2012-0485
  - CVE-2012-0486
  - CVE-2012-0487
  - CVE-2012-0488
  - CVE-2012-0489
  - CVE-2012-0490
  - CVE-2012-0491
  - CVE-2012-0492
  - CVE-2012-0493
  - CVE-2012-0494
  - CVE-2012-0495
  - CVE-2012-0496

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storage/innodb_plugin/page/page0page.c
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/*****************************************************************************
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Copyright (c) 1994, 2010, Innobase Oy. All Rights Reserved.
 
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Copyright (c) 1994, 2011, Oracle and/or its affiliates. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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{
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        page_t*         page            = buf_block_get_frame(block);
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#ifndef UNIV_HOTBACKUP
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        const ibool     is_hashed       = block->is_hashed;
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        if (is_hashed) {
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                rw_lock_x_lock(&btr_search_latch);
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        }
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        ut_ad(!mtr || mtr_memo_contains(mtr, block, MTR_MEMO_PAGE_X_FIX));
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#endif /* !UNIV_HOTBACKUP */
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        } else {
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                mach_write_to_8(page + (PAGE_HEADER + PAGE_MAX_TRX_ID), trx_id);
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        }
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#ifndef UNIV_HOTBACKUP
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        if (is_hashed) {
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                rw_lock_x_unlock(&btr_search_latch);
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        }
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#endif /* !UNIV_HOTBACKUP */
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}
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/************************************************************//**
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                        if (UNIV_UNLIKELY
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                            (!page_zip_reorganize(new_block, index, mtr))) {
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                                btr_blob_dbg_remove(new_page, index,
 
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                                                    "copy_end_reorg_fail");
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                                if (UNIV_UNLIKELY
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                                    (!page_zip_decompress(new_page_zip,
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                                                          new_page, FALSE))) {
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                                        ut_error;
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                                }
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                                ut_ad(page_validate(new_page, index));
 
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                                btr_blob_dbg_add(new_page, index,
 
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                                                 "copy_end_reorg_fail");
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                                return(NULL);
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                        } else {
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                                /* The page was reorganized:
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                        if (UNIV_UNLIKELY
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                            (!page_zip_reorganize(new_block, index, mtr))) {
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                                btr_blob_dbg_remove(new_page, index,
 
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                                                    "copy_start_reorg_fail");
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                                if (UNIV_UNLIKELY
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                                    (!page_zip_decompress(new_page_zip,
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                                                          new_page, FALSE))) {
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                                        ut_error;
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                                }
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                                ut_ad(page_validate(new_page, index));
 
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                                btr_blob_dbg_add(new_page, index,
 
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                                                 "copy_start_reorg_fail");
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                                return(NULL);
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                        } else {
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                                /* The page was reorganized:
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        /* Remove the record chain segment from the record chain */
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        page_rec_set_next(prev_rec, page_get_supremum_rec(page));
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        btr_blob_dbg_op(page, rec, index, "delete_end",
 
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                        btr_blob_dbg_remove_rec);
 
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        /* Catenate the deleted chain segment to the page free list */
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        page_rec_set_next(last_rec, page_header_get_ptr(page, PAGE_FREE));
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                        " n_owned: %lu; heap_no: %lu; next rec: %lu\n",
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                        (ulong) rec_get_n_owned_old(rec),
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                        (ulong) rec_get_heap_no_old(rec),
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                        (ulong) rec_get_next_offs(rec, TRUE));
 
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                        (ulong) rec_get_next_offs(rec, FALSE));
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        }
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        page_rec_check(rec);
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        rec_validate(rec, offsets);
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}
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# ifdef UNIV_BTR_PRINT
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/***************************************************************//**
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This is used to print the contents of the directory for
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debugging purposes. */
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        page_dir_print(page, dn);
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        page_print_list(block, index, rn);
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}
 
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# endif /* UNIV_BTR_PRINT */
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#endif /* !UNIV_HOTBACKUP */
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/***************************************************************//**