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Fix a potential NULL-pointer deference in RTREE due to corrupt shadow tables.

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FossilOrigin-Name: 1fdd3604eef880414682e9e6f74d714520fe1c63f267ec4da752d2dc1da6bf72
This commit is contained in:
drh
2018-12-21 17:51:30 +00:00
parent fb077f3c50
commit 273e01b4c6
4 changed files with 118 additions and 10 deletions
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6
ext/rtree/rtree.c
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@ -2948,8 +2948,12 @@ static int rtreeDeleteRowid(Rtree *pRtree, sqlite3_int64 iDelete){
rc = findLeafNode(pRtree, iDelete, &pLeaf, 0);
}
#ifdef CORRUPT_DB
assert( pLeaf!=0 || rc!=SQLITE_OK || CORRUPT_DB );
#endif
/* Delete the cell in question from the leaf node. */
if( rc==SQLITE_OK ){
if( rc==SQLITE_OK && pLeaf ){
int rc2;
rc = nodeRowidIndex(pRtree, pLeaf, iDelete, &iCell);
if( rc==SQLITE_OK ){