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Overview
| Comment: | Detect an attempt to drop a btree that is not within the bounds of the database file and abort early with an SQLITE_CORRUPT error, to avoid problems later on in the process. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
235a9698f5e9b3c21dc51c9c5042becf |
| User & Date: | drh 2019-03-08 01:52:30 |
Context
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2019-03-08
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| 13:27 | Fix another segfault in fts3 that could occur with corrupt records. check-in: fcc24edd user: dan tags: trunk | |
| 01:52 | Detect an attempt to drop a btree that is not within the bounds of the database file and abort early with an SQLITE_CORRUPT error, to avoid problems later on in the process. check-in: 235a9698 user: drh tags: trunk | |
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2019-03-06
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| 14:53 | Add the sqlite3_stmt_isexplain() interface. check-in: ee642d3e user: drh tags: trunk | |
Changes
Changes to src/btree.c.
9264 9265 9266 9267 9268 9269 9270 9271 9272 9273 9274 9275 9276 9277 |
int rc;
MemPage *pPage = 0;
BtShared *pBt = p->pBt;
assert( sqlite3BtreeHoldsMutex(p) );
assert( p->inTrans==TRANS_WRITE );
assert( iTable>=2 );
rc = btreeGetPage(pBt, (Pgno)iTable, &pPage, 0);
if( rc ) return rc;
rc = sqlite3BtreeClearTable(p, iTable, 0);
if( rc ){
releasePage(pPage);
return rc;
|
> > > |
9264 9265 9266 9267 9268 9269 9270 9271 9272 9273 9274 9275 9276 9277 9278 9279 9280 |
int rc; MemPage *pPage = 0; BtShared *pBt = p->pBt; assert( sqlite3BtreeHoldsMutex(p) ); assert( p->inTrans==TRANS_WRITE ); assert( iTable>=2 ); if( iTable>btreePagecount(pBt) ){ return SQLITE_CORRUPT_BKPT; } rc = btreeGetPage(pBt, (Pgno)iTable, &pPage, 0); if( rc ) return rc; rc = sqlite3BtreeClearTable(p, iTable, 0); if( rc ){ releasePage(pPage); return rc; |