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fix:core dump in top/bottom with group by tag if tag is big size and flush/get from disk with page buffer & fix _group_by key function heap overflow

This commit is contained in:
wangmm0220 2022-06-29 18:05:09 +08:00
parent 873546bee5
commit 95f5d7695d
2 changed files with 8 additions and 6 deletions
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10
source/libs/function/src/builtinsimpl.c
View File

@ -3148,7 +3148,7 @@ void copyTupleData(SqlFunctionCtx* pCtx, int32_t rowIndex, const SSDataBlock* pS
int32_t topBotFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
SResultRowEntryInfo* pEntryInfo = GET_RES_INFO(pCtx);
STopBotRes* pRes = GET_ROWCELL_INTERBUF(pEntryInfo);
STopBotRes* pRes = getTopBotOutputInfo(pCtx);
int16_t type = pCtx->input.pData[0]->info.type;
int32_t slotId = pCtx->pExpr->base.resSchema.slotId;
@ -5382,8 +5382,6 @@ int32_t groupKeyFunction(SqlFunctionCtx* pCtx) {
SInputColumnInfoData* pInput = &pCtx->input;
SColumnInfoData* pInputCol = pInput->pData[0];
int32_t bytes = pInputCol->info.bytes;
int32_t startIndex = pInput->startRowIndex;
//escape rest of data blocks to avoid first entry be overwritten.
@ -5398,7 +5396,11 @@ int32_t groupKeyFunction(SqlFunctionCtx* pCtx) {
}
char* data = colDataGetData(pInputCol, startIndex);
memcpy(pInfo->data, data, bytes);
if (IS_VAR_DATA_TYPE(pInputCol->info.type)) {
memcpy(pInfo->data, data, (pInputCol->info.type == TSDB_DATA_TYPE_JSON) ? getJsonValueLen(data): varDataTLen(data));
} else {
memcpy(pInfo->data, data, pInputCol->info.bytes);
}
pInfo->hasResult = true;
_group_key_over:

4
source/util/src/tpagedbuf.c
View File

@ -193,7 +193,7 @@ static char* doFlushPageToDisk(SDiskbasedBuf* pBuf, SPageInfo* pg) {
char* pDataBuf = pg->pData;
memset(pDataBuf, 0, getAllocPageSize(pBuf->pageSize));
uDebug("page_flush %p, pageId:%d, offset:%d", pDataBuf, pg->pageId, pg->offset);
pg->length = size; // on disk size
return pDataBuf;
}
@ -440,7 +440,7 @@ void* getNewBufPage(SDiskbasedBuf* pBuf, int32_t groupId, int32_t* pageId) {
}
((void**)pi->pData)[0] = pi;
uDebug("page_getNewBufPage pageId:%d, offset:%"PRId64, pi->pageId, pi->offset);
uDebug("page_getNewBufPage , pi->pData:%p, pageId:%d, offset:%"PRId64, pi->pData, pi->pageId, pi->offset);
return (void*)(GET_DATA_PAYLOAD(pi));
}