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Overview
| Comment: | Avoid a potential NULL pointer deference in the sqlite3_stmt_scanstatus() logic. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 42d44adc13d52b8dd571c9375eb48298123d5a60 |
| User & Date: | drh 2014-12-05 21:18:19 |
Context
|
2014-12-06
| ||
| 02:05 | Fix a (harmless) uninitialized variable reference in b-tree balancing for auto-vacuumed tables with overflow pages. check-in: dd1dd445 user: drh tags: trunk | |
|
2014-12-05
| ||
| 21:18 | Avoid a potential NULL pointer deference in the sqlite3_stmt_scanstatus() logic. check-in: 42d44adc user: drh tags: trunk | |
| 21:04 | Fix a buffer overread that might occur in analyze.c if SQLITE_ENABLE_STAT4 was defined. check-in: c1ae1268 user: dan tags: trunk | |
Changes
Changes to src/where.c.
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_IPK|WHERE_VIRTUALTABLE))==0 ){
zObj = pLoop->u.btree.pIndex->zName;
}else{
zObj = pSrclist->a[pLvl->iFrom].zName;
}
sqlite3VdbeScanStatus(
v, addrExplain, pLvl->addrBody, pLvl->addrVisit, pLoop->nOut, zObj
);
|
| |
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
);
|