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Overview
Comment: | Avoid a potential NULL pointer deference in the sqlite3_stmt_scanstatus() logic. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
42d44adc13d52b8dd571c9375eb48298 |
User & Date: | drh 2014-12-05 21:18:19.223 |
Context
2014-12-06
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02:05 | Fix a (harmless) uninitialized variable reference in b-tree balancing for auto-vacuumed tables with overflow pages. (check-in: dd1dd4451f user: drh tags: trunk) | |
2014-12-05
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21:18 | Avoid a potential NULL pointer deference in the sqlite3_stmt_scanstatus() logic. (check-in: 42d44adc13 user: drh tags: trunk) | |
21:04 | Fix a buffer overread that might occur in analyze.c if SQLITE_ENABLE_STAT4 was defined. (check-in: c1ae1268b9 user: dan tags: trunk) | |
Changes
Changes to src/where.c.
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2944 2945 2946 2947 2948 2949 2950 | Vdbe *v, /* Vdbe to add scanstatus entry to */ SrcList *pSrclist, /* FROM clause pLvl reads data from */ WhereLevel *pLvl, /* Level to add scanstatus() entry for */ int addrExplain /* Address of OP_Explain (or 0) */ ){ const char *zObj = 0; WhereLoop *pLoop = pLvl->pWLoop; | | | 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 | Vdbe *v, /* Vdbe to add scanstatus entry to */ SrcList *pSrclist, /* FROM clause pLvl reads data from */ WhereLevel *pLvl, /* Level to add scanstatus() entry for */ int addrExplain /* Address of OP_Explain (or 0) */ ){ const char *zObj = 0; WhereLoop *pLoop = pLvl->pWLoop; if( (pLoop->wsFlags & WHERE_VIRTUALTABLE)==0 && pLoop->u.btree.pIndex!=0 ){ zObj = pLoop->u.btree.pIndex->zName; }else{ zObj = pSrclist->a[pLvl->iFrom].zName; } sqlite3VdbeScanStatus( v, addrExplain, pLvl->addrBody, pLvl->addrVisit, pLoop->nOut, zObj ); |
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