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fix(query): ASAN heap buffer overflow 

TD-20454
This commit is contained in:
Ganlin Zhao 2022-11-16 14:36:51 +08:00
parent 4b4f8eac86
commit aae3475900
2 changed files with 16 additions and 4 deletions
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9
source/libs/function/src/builtinsimpl.c
View File

@ -4495,18 +4495,23 @@ bool histogramFunctionSetup(SqlFunctionCtx* pCtx, SResultRowEntryInfo* pResultIn
pInfo->totalCount = 0;
pInfo->normalized = 0;
int8_t binType = getHistogramBinType(varDataVal(pCtx->param[1].param.pz));
char *binTypeStr = strndup(varDataVal(pCtx->param[1].param.pz), varDataLen(pCtx->param[1].param.pz));
int8_t binType = getHistogramBinType(binTypeStr);
taosMemoryFree(binTypeStr);
if (binType == UNKNOWN_BIN) {
return false;
}
char* binDesc = varDataVal(pCtx->param[2].param.pz);
char* binDesc = strndup(varDataVal(pCtx->param[2].param.pz), varDataLen(pCtx->param[2].param.pz));
int64_t normalized = pCtx->param[3].param.i;
if (normalized != 0 && normalized != 1) {
return false;
}
if (!getHistogramBinDesc(pInfo, binDesc, binType, (bool)normalized)) {
taosMemoryFree(binDesc);
return false;
}
taosMemoryFree(binDesc);
return true;
}

11
source/libs/scalar/src/sclfunc.c
View File

@ -2748,14 +2748,19 @@ int32_t histogramScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarP
int32_t numOfBins = 0;
int32_t totalCount = 0;
int8_t binType = getHistogramBinType(varDataVal(pInput[1].columnData->pData));
char *binDesc = varDataVal(pInput[2].columnData->pData);
char *binTypeStr = strndup(varDataVal(pInput[1].columnData->pData), varDataLen(pInput[1].columnData->pData));
int8_t binType = getHistogramBinType(binTypeStr);
taosMemoryFree(binTypeStr);
char *binDesc = strndup(varDataVal(pInput[2].columnData->pData), varDataLen(pInput[2].columnData->pData));
int64_t normalized = *(int64_t *)(pInput[3].columnData->pData);
int32_t type = GET_PARAM_TYPE(pInput);
if (!getHistogramBinDesc(&bins, &numOfBins, binDesc, binType, (bool)normalized)) {
taosMemoryFree(binDesc);
return TSDB_CODE_FAILED;
}
taosMemoryFree(binDesc);
for (int32_t i = 0; i < pInput->numOfRows; ++i) {
if (colDataIsNull_s(pInputData, i)) {
@ -2785,6 +2790,8 @@ int32_t histogramScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarP
}
}
colInfoDataEnsureCapacity(pOutputData, numOfBins, false);
for (int32_t k = 0; k < numOfBins; ++k) {
int32_t len;
char buf[512] = {0};