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Overview
| Comment: | OSSFuzz found a case where an assert() inside sqlite3ExprCompare() can be true. Test case added to TH3. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | branch-3.26 |
| Files: | files | file ages | folders |
| SHA3-256: | bc891ac6b62fe7d9a5c157a95d0b9dc2 |
| User & Date: | drh 2018-12-12 11:57:35 |
Context
|
2019-01-22
| ||
| 18:20 | Add the SQLITE_ENABLE_EARLY_CURSOR_CLOSE compile-time option which causes read cursors to be closed after their usefulness ends during a two-pass UPDATE. Leaf check-in: 8790368b user: mistachkin tags: branch-3.26 | |
|
2018-12-12
| ||
| 11:57 | OSSFuzz found a case where an assert() inside sqlite3ExprCompare() can be true. Test case added to TH3. check-in: bc891ac6 user: drh tags: branch-3.26 | |
| 11:54 | Fix a problem with using "<db>-vacuum" (the default) as the state database when resuming an RBU vacuum. check-in: 6b7567fc user: drh tags: branch-3.26 | |
| 11:23 | OSSFuzz found a case where an assert() inside sqlite3ExprCompare() can be true. Test case added to TH3. check-in: 23b62fb1 user: drh tags: trunk | |
Changes
Changes to src/expr.c.
4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 |
if( (pA->flags & EP_Distinct)!=(pB->flags & EP_Distinct) ) return 2;
if( ALWAYS((combinedFlags & EP_TokenOnly)==0) ){
if( combinedFlags & EP_xIsSelect ) return 2;
if( (combinedFlags & EP_FixedCol)==0
&& sqlite3ExprCompare(pParse, pA->pLeft, pB->pLeft, iTab) ) return 2;
if( sqlite3ExprCompare(pParse, pA->pRight, pB->pRight, iTab) ) return 2;
if( sqlite3ExprListCompare(pA->x.pList, pB->x.pList, iTab) ) return 2;
assert( (combinedFlags & EP_Reduced)==0 );
if( pA->op!=TK_STRING && pA->op!=TK_TRUEFALSE ){
if( pA->iColumn!=pB->iColumn ) return 2;
if( pA->iTable!=pB->iTable
&& (pA->iTable!=iTab || NEVER(pB->iTable>=0)) ) return 2;
}
}
return 0;
}
|
> > | < > |
4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804 4805 |
if( (pA->flags & EP_Distinct)!=(pB->flags & EP_Distinct) ) return 2;
if( ALWAYS((combinedFlags & EP_TokenOnly)==0) ){
if( combinedFlags & EP_xIsSelect ) return 2;
if( (combinedFlags & EP_FixedCol)==0
&& sqlite3ExprCompare(pParse, pA->pLeft, pB->pLeft, iTab) ) return 2;
if( sqlite3ExprCompare(pParse, pA->pRight, pB->pRight, iTab) ) return 2;
if( sqlite3ExprListCompare(pA->x.pList, pB->x.pList, iTab) ) return 2;
if( pA->op!=TK_STRING
&& pA->op!=TK_TRUEFALSE
&& (combinedFlags & EP_Reduced)==0
){
if( pA->iColumn!=pB->iColumn ) return 2;
if( pA->iTable!=pB->iTable
&& (pA->iTable!=iTab || NEVER(pB->iTable>=0)) ) return 2;
}
}
return 0;
}
|