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| author | drh <> | 2022-10-10 12:02:53 +0000 |
|---|---|---|
| committer | drh <> | 2022-10-10 12:02:53 +0000 |
| commit | 005c9d829593365b734d2885ddfe04ab85ffbc4f (patch) | |
| tree | 2517a26a06745c87c325ef28003b2fd9f0fa2620 /src/btree.c | |
| parent | 211a1a7281a6855b5a73fb6a6d3e74144845dc5f (diff) | |
| download | sqlite-005c9d829593365b734d2885ddfe04ab85ffbc4f.tar.gz sqlite-005c9d829593365b734d2885ddfe04ab85ffbc4f.zip | |
Improved detection of database corrupting when moving pages on an
autovacuumed database when creating a new btree.
dbsqlfuzz 9a55397eae13cec64aebf1fd35489c3a90bdaac5
FossilOrigin-Name: 327965bc71023d9380a9d6805062659108dab4bfcd386b7aba813754f270d33a
Diffstat (limited to 'src/btree.c')
| -rw-r--r-- | src/btree.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/btree.c b/src/btree.c index c54fd2e7c..1c48d6e8c 100644 --- a/src/btree.c +++ b/src/btree.c @@ -3743,6 +3743,9 @@ static int modifyPagePointer(MemPage *pPage, Pgno iFrom, Pgno iTo, u8 eType){ } } }else{ + if( pCell+4 > pPage->aData+pPage->pBt->usableSize ){ + return SQLITE_CORRUPT_PAGE(pPage); + } if( get4byte(pCell)==iFrom ){ put4byte(pCell, iTo); break; |