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enhance: add length verification

This commit is contained in:
slzhou 2023-12-20 16:20:43 +08:00
parent 9ebca3eaff
commit d6445d2d5b
1 changed files with 8 additions and 1 deletions
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9
source/libs/executor/src/scanoperator.c
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@ -3222,7 +3222,7 @@ _error:
static int32_t saveBlockRowToBuf(STableMergeScanInfo* pInfo, SSDataBlock* pBlock, int32_t rowIdx, int32_t* pPageId, int32_t* pOffset, int32_t* pLength) {
SDiskbasedBuf* pResultBuf = pInfo->sortRowIdInfo.pExtSrcRowsBuf;
int32_t rowBytes = blockDataGetRowSize(pBlock) + taosArrayGetSize(pBlock->pDataBlock);
int32_t rowBytes = blockDataGetRowSize(pBlock) + taosArrayGetSize(pBlock->pDataBlock) + sizeof(int32_t);
SFilePage* pFilePage = NULL;
@ -3291,6 +3291,8 @@ static int32_t saveBlockRowToBuf(STableMergeScanInfo* pInfo, SSDataBlock* pBlock
pStart += bytes;
}
}
*(int32_t*)pStart = (char*)pStart - (char*)buf;
pStart += sizeof(int32_t);
*pLength = (int32_t)(pStart - (char*)buf);
pFilePage->num += (*pLength);
setBufPageDirty(pFilePage, true);
@ -3356,6 +3358,11 @@ static void appendOneRowIdRowToDataBlock(STableMergeScanInfo* pInfo, SSDataBlock
colDataSetNULL(pColInfo, pBlock->info.rows);
}
}
if (*(int32_t*)pStart != pStart-buf) {
qError("table merge scan row buf deserialization. length error %d != %d ", *(int32_t*)pStart, (int32_t)(pStart-buf));
};
releaseBufPage(pInfo->sortRowIdInfo.pExtSrcRowsBuf, page);
pBlock->info.dataLoad = 1;