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Overview
Comment: | Remove an ALWAYS() from a branch that is not always taken. The test case found by OSSFuzz has been added to TH3. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
5c7dab85535ac42c021977dbd4a39cef |
User & Date: | drh 2018-12-12 20:11:23.249 |
Context
2018-12-12
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21:34 | Fix another problem found by Matthew Denton's new fuzzer. (check-in: 2b690dbdff user: drh tags: trunk) | |
20:11 | Remove an ALWAYS() from a branch that is not always taken. The test case found by OSSFuzz has been added to TH3. (check-in: 5c7dab8553 user: drh tags: trunk) | |
11:23 | OSSFuzz found a case where an assert() inside sqlite3ExprCompare() can be true. Test case added to TH3. (check-in: 23b62fb160 user: drh tags: trunk) | |
Changes
Changes to src/expr.c.
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4774 4775 4776 4777 4778 4779 4780 | }else if( pA->op==TK_COLLATE ){ if( sqlite3_stricmp(pA->u.zToken,pB->u.zToken)!=0 ) return 2; }else if( strcmp(pA->u.zToken,pB->u.zToken)!=0 ){ return 2; } } if( (pA->flags & EP_Distinct)!=(pB->flags & EP_Distinct) ) return 2; | | | 4774 4775 4776 4777 4778 4779 4780 4781 4782 4783 4784 4785 4786 4787 4788 | }else if( pA->op==TK_COLLATE ){ if( sqlite3_stricmp(pA->u.zToken,pB->u.zToken)!=0 ) return 2; }else if( strcmp(pA->u.zToken,pB->u.zToken)!=0 ){ return 2; } } if( (pA->flags & EP_Distinct)!=(pB->flags & EP_Distinct) ) return 2; if( (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 |
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