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Fix a theoretical OOB memory access in sqlite3_stmt_scanstatus_v2().

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FossilOrigin-Name: 87be9580747b405c2c534beadb0f95cee0d4f34e0245f90e157a6b7ada38e092
This commit is contained in:
dan
2024-03-25 18:30:15 +00:00
parent 791b6f36cc
commit eb5bd4db91
4 changed files with 22 additions and 10 deletions
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3
src/vdbeapi.c
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@@ -2404,7 +2404,6 @@ int sqlite3_stmt_scanstatus_v2(
}
if( flags & SQLITE_SCANSTAT_COMPLEX ){
idx = iScan;
pScan = &p->aScan[idx];
}else{
/* If the COMPLEX flag is clear, then this function must ignore any
** ScanStatus structures with ScanStatus.addrLoop set to 0. */
@@ -2417,6 +2416,8 @@ int sqlite3_stmt_scanstatus_v2(
}
}
if( idx>=p->nScan ) return 1;
assert( pScan==0 || pScan==&p->aScan[idx] );
pScan = &p->aScan[idx];
switch( iScanStatusOp ){
case SQLITE_SCANSTAT_NLOOP: {