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fix(tsdb): set strict varchar length check.

This commit is contained in:
Haojun Liao 2024-03-14 10:04:14 +08:00
parent 3a0df8be8d
commit 2b7fd0d15c
1 changed files with 2 additions and 1 deletions
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3
source/dnode/vnode/src/tsdb/tsdbRead2.c
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@ -658,11 +658,12 @@ static int32_t doCopyColVal(SColumnInfoData* pColInfoData, int32_t rowIndex, int
colDataSetNULL(pColInfoData, rowIndex);
} else {
varDataSetLen(pSup->buildBuf[colIndex], pColVal->value.nData);
if (pColVal->value.nData > pColInfoData->info.bytes) {
if ((pColVal->value.nData + VARSTR_HEADER_SIZE) > pColInfoData->info.bytes) {
tsdbWarn("column cid:%d actual data len %d is bigger than schema len %d", pColVal->cid, pColVal->value.nData,
pColInfoData->info.bytes);
return TSDB_CODE_TDB_INVALID_TABLE_SCHEMA_VER;
}
if (pColVal->value.nData > 0) { // pData may be null, if nData is 0
memcpy(varDataVal(pSup->buildBuf[colIndex]), pColVal->value.pData, pColVal->value.nData);
}