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Fix a memory leak in rtree triggered by corrupt database records. dbsqlfuzz 397ad036a9013d7318da30ef84947d2baaaa6d6c.

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FossilOrigin-Name: 706322c2b5bb31e14c1120a94520b21fa623ff119e3890170e36b37d8bde721a
This commit is contained in:
dan
2021-09-25 20:19:16 +00:00
parent c28cc32d81
commit 4b67c655af
3 changed files with 11 additions and 7 deletions
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4
ext/rtree/rtree.c
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@ -2545,6 +2545,10 @@ static int updateMapping(
xSetMapping = ((iHeight==0)?rowidWrite:parentWrite);
if( iHeight>0 ){
RtreeNode *pChild = nodeHashLookup(pRtree, iRowid);
RtreeNode *p;
for(p=pNode; p; p=p->pParent){
if( p==pChild ) return SQLITE_CORRUPT_VTAB;
}
if( pChild ){
nodeRelease(pRtree, pChild->pParent);
nodeReference(pNode);