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Overview
Comment: | Improved detection of database corruption in freeSpace(). |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
29bcb56887f862a1f06677a7b4bfae64 |
User & Date: | drh 2015-06-15 12:58:15.259 |
Context
2015-06-15
| ||
14:43 | Fix harmless compiler warnings. (check-in: b0badb9902 user: drh tags: trunk) | |
12:58 | Improved detection of database corruption in freeSpace(). (check-in: 29bcb56887 user: drh tags: trunk) | |
10:49 | Comment typo fix. No code changes. (check-in: 17f185adb9 user: drh tags: trunk) | |
Changes
Changes to src/btree.c.
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1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 | ** ** Check to see if iFreeBlk should be coalesced onto the end of iStart. */ if( iFreeBlk && iEnd+3>=iFreeBlk ){ nFrag = iFreeBlk - iEnd; if( iEnd>iFreeBlk ) return SQLITE_CORRUPT_BKPT; iEnd = iFreeBlk + get2byte(&data[iFreeBlk+2]); iSize = iEnd - iStart; iFreeBlk = get2byte(&data[iFreeBlk]); } /* If iPtr is another freeblock (that is, if iPtr is not the freelist ** pointer in the page header) then check to see if iStart should be ** coalesced onto the end of iPtr. | > | 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 | ** ** Check to see if iFreeBlk should be coalesced onto the end of iStart. */ if( iFreeBlk && iEnd+3>=iFreeBlk ){ nFrag = iFreeBlk - iEnd; if( iEnd>iFreeBlk ) return SQLITE_CORRUPT_BKPT; iEnd = iFreeBlk + get2byte(&data[iFreeBlk+2]); if( iEnd > pPage->pBt->usableSize ) return SQLITE_CORRUPT_BKPT; iSize = iEnd - iStart; iFreeBlk = get2byte(&data[iFreeBlk]); } /* If iPtr is another freeblock (that is, if iPtr is not the freelist ** pointer in the page header) then check to see if iStart should be ** coalesced onto the end of iPtr. |
︙ | ︙ |
Changes to test/fuzzdata3.db.
cannot compute difference between binary files