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Overview
| Comment: | Fix a problem with corrupt fts3 database detection introduced by [27199380]. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | branch-3.22 |
| Files: | files | file ages | folders |
| SHA3-256: | ceeb4fba84a651ddd432e87a968ec8d9 |
| User & Date: | dan 2018-12-26 14:23:14 |
Context
|
2018-12-26
| ||
| 14:23 | Fix a problem with corrupt fts3 database detection introduced by [27199380]. Leaf check-in: ceeb4fba user: dan tags: branch-3.22 | |
| 14:15 | Fix a problem with corrupt fts3 database detection introduced by [95a9a39f]. check-in: c80bb15b user: dan tags: trunk | |
| 11:39 | Avoid a left-shift of a negative value (undefined behaviour) when dealing with a corrupt database in fts3. Cherrypick of [b851d12474]. check-in: 2fa63a8b user: dan tags: branch-3.22 | |
Changes
Changes to ext/fts3/fts3_write.c.
1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 |
pReader->aDoclist = pNext;
pReader->pOffsetList = 0;
/* Check that the doclist does not appear to extend past the end of the
** b-tree node. And that the final byte of the doclist is 0x00. If either
** of these statements is untrue, then the data structure is corrupt.
*/
if( pReader->nDoclist-(pReader->aDoclist-pReader->aNode) > pReader->nNode
|| (pReader->nPopulate==0 && pReader->aDoclist[pReader->nDoclist-1])
){
return FTS_CORRUPT_VTAB;
}
return SQLITE_OK;
}
|
| |
1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 |
pReader->aDoclist = pNext;
pReader->pOffsetList = 0;
/* Check that the doclist does not appear to extend past the end of the
** b-tree node. And that the final byte of the doclist is 0x00. If either
** of these statements is untrue, then the data structure is corrupt.
*/
if( pReader->nDoclist > pReader->nNode-(pReader->aDoclist-pReader->aNode)
|| (pReader->nPopulate==0 && pReader->aDoclist[pReader->nDoclist-1])
){
return FTS_CORRUPT_VTAB;
}
return SQLITE_OK;
}
|