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Overview
| Comment: | Avoid a sanitizer error (pointer arithmatic overflow) in vdbesort.c. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: | af61a2fc45a0fa1277d7453779238b77 |
| User & Date: | dan 2019-04-16 11:21:13 |
Context
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2019-04-16
| ||
| 19:49 | Version 3.28.0 check-in: 884b4b7e user: drh tags: trunk, release, version-3.28.0 | |
| 11:21 | Avoid a sanitizer error (pointer arithmatic overflow) in vdbesort.c. check-in: af61a2fc user: dan tags: trunk | |
| 10:51 | Avoid a sanitizer error in test1.c. Have releasetest.tcl/wapptest.tcl create a file called "makecommand.sh" that can be used to rerun a test from the command line. check-in: 4de4480f user: dan tags: trunk | |
Changes
Changes to src/vdbesort.c.
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}
if( pSorter->list.aMemory ){
int nMin = pSorter->iMemory + nReq;
if( nMin>pSorter->nMemory ){
u8 *aNew;
int iListOff = (u8*)pSorter->list.pList - pSorter->list.aMemory;
sqlite3_int64 nNew = 2 * (sqlite3_int64)pSorter->nMemory;
while( nNew < nMin ) nNew = nNew*2;
if( nNew > pSorter->mxPmaSize ) nNew = pSorter->mxPmaSize;
if( nNew < nMin ) nNew = nMin;
aNew = sqlite3Realloc(pSorter->list.aMemory, nNew);
if( !aNew ) return SQLITE_NOMEM_BKPT;
pSorter->list.pList = (SorterRecord*)&aNew[iListOff];
pSorter->list.aMemory = aNew;
pSorter->nMemory = nNew;
}
pNew = (SorterRecord*)&pSorter->list.aMemory[pSorter->iMemory];
pSorter->iMemory += ROUND8(nReq);
if( pSorter->list.pList ){
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}
if( pSorter->list.aMemory ){
int nMin = pSorter->iMemory + nReq;
if( nMin>pSorter->nMemory ){
u8 *aNew;
sqlite3_int64 nNew = 2 * (sqlite3_int64)pSorter->nMemory;
int iListOff = -1;
if( pSorter->list.pList ){
iListOff = (u8*)pSorter->list.pList - pSorter->list.aMemory;
}
while( nNew < nMin ) nNew = nNew*2;
if( nNew > pSorter->mxPmaSize ) nNew = pSorter->mxPmaSize;
if( nNew < nMin ) nNew = nMin;
aNew = sqlite3Realloc(pSorter->list.aMemory, nNew);
if( !aNew ) return SQLITE_NOMEM_BKPT;
if( iListOff>=0 ){
pSorter->list.pList = (SorterRecord*)&aNew[iListOff];
}
pSorter->list.aMemory = aNew;
pSorter->nMemory = nNew;
}
pNew = (SorterRecord*)&pSorter->list.aMemory[pSorter->iMemory];
pSorter->iMemory += ROUND8(nReq);
if( pSorter->list.pList ){
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