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Merge pull request #7072 from taosdata/fix/TD-5584 

[TD-5631]<fix>fix functionCompatList array overflow access
This commit is contained in:
Haojun Liao 2021-08-02 12:25:00 +08:00 committed by GitHub
parent a9db4f829d 1f1510b8be
commit bdc83f0210
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 11 additions and 4 deletions
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1
src/inc/tsdb.h
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@ -240,6 +240,7 @@ typedef struct {
int32_t minRows;
int32_t firstSeekTimeUs;
uint32_t numOfRowsInMemTable;
uint32_t numOfSmallBlocks;
SArray *dataBlockInfos;
} STableBlockDist;

10
src/query/src/qAggMain.c
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@ -4018,6 +4018,7 @@ static void mergeTableBlockDist(SResultRowCellInfo* pResInfo, const STableBlockD
pDist->numOfTables += pSrc->numOfTables;
pDist->numOfRowsInMemTable += pSrc->numOfRowsInMemTable;
pDist->numOfSmallBlocks += pSrc->numOfSmallBlocks;
pDist->numOfFiles += pSrc->numOfFiles;
pDist->totalSize += pSrc->totalSize;
pDist->totalRows += pSrc->totalRows;
@ -4130,18 +4131,19 @@ void generateBlockDistResult(STableBlockDist *pTableBlockDist, char* result) {
uint64_t totalLen = pTableBlockDist->totalSize;
int32_t rowSize = pTableBlockDist->rowSize;
int32_t smallBlocks = pTableBlockDist->numOfSmallBlocks;
double compRatio = (totalRows>0) ? ((double)(totalLen)/(rowSize*totalRows)) : 1;
int sz = sprintf(result + VARSTR_HEADER_SIZE,
"summary: \n\t "
"5th=[%d], 10th=[%d], 20th=[%d], 30th=[%d], 40th=[%d], 50th=[%d]\n\t "
"60th=[%d], 70th=[%d], 80th=[%d], 90th=[%d], 95th=[%d], 99th=[%d]\n\t "
"Min=[%"PRId64"(Rows)] Max=[%"PRId64"(Rows)] Avg=[%"PRId64"(Rows)] Stddev=[%.2f] \n\t "
"Rows=[%"PRIu64"], Blocks=[%"PRId64"], Size=[%.3f(Kb)] Comp=[%.2f]\n\t "
"Rows=[%"PRIu64"], Blocks=[%"PRId64"], SmallBlocks=[%d], Size=[%.3f(Kb)] Comp=[%.2f]\n\t "
"RowsInMem=[%d] \n\t",
percentiles[0], percentiles[1], percentiles[2], percentiles[3], percentiles[4], percentiles[5],
percentiles[6], percentiles[7], percentiles[8], percentiles[9], percentiles[10], percentiles[11],
min, max, avg, stdDev,
totalRows, totalBlocks, totalLen/1024.0, compRatio,
totalRows, totalBlocks, smallBlocks, totalLen/1024.0, compRatio,
pTableBlockDist->numOfRowsInMemTable);
varDataSetLen(result, sz);
UNUSED(sz);
@ -4184,8 +4186,8 @@ int32_t functionCompatList[] = {
4, -1, -1, 1, 1, 1, 1, 1, 1, -1,
// tag, colprj, tagprj, arithmetic, diff, first_dist, last_dist, stddev_dst, interp rate irate
1, 1, 1, 1, -1, 1, 1, 1, 5, 1, 1,
// tid_tag, blk_info
6, 7
// tid_tag, derivative, blk_info
6, 8, 7,
};
SAggFunctionInfo aAggs[] = {{

2
src/query/src/qUtil.c
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@ -583,6 +583,7 @@ void blockDistInfoToBinary(STableBlockDist* pDist, struct SBufferWriter* bw) {
tbufWriteInt32(bw, pDist->maxRows);
tbufWriteInt32(bw, pDist->minRows);
tbufWriteUint32(bw, pDist->numOfRowsInMemTable);
tbufWriteUint32(bw, pDist->numOfSmallBlocks);
tbufWriteUint64(bw, taosArrayGetSize(pDist->dataBlockInfos));
// compress the binary string
@ -621,6 +622,7 @@ void blockDistInfoFromBinary(const char* data, int32_t len, STableBlockDist* pDi
pDist->maxRows = tbufReadInt32(&br);
pDist->minRows = tbufReadInt32(&br);
pDist->numOfRowsInMemTable = tbufReadUint32(&br);
pDist->numOfSmallBlocks = tbufReadUint32(&br);
int64_t numSteps = tbufReadUint64(&br);
bool comp = tbufReadUint8(&br);

2
src/tsdb/src/tsdbRead.c
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@ -2435,6 +2435,7 @@ int32_t tsdbGetFileBlocksDistInfo(TsdbQueryHandleT* queryHandle, STableBlockDist
int32_t code = TSDB_CODE_SUCCESS;
int32_t numOfBlocks = 0;
int32_t numOfTables = (int32_t)taosArrayGetSize(pQueryHandle->pTableCheckInfo);
int defaultRows = TSDB_DEFAULT_BLOCK_ROWS(pCfg->maxRowsPerFileBlock);
STimeWindow win = TSWINDOW_INITIALIZER;
while (true) {
@ -2494,6 +2495,7 @@ int32_t tsdbGetFileBlocksDistInfo(TsdbQueryHandleT* queryHandle, STableBlockDist
pTableBlockInfo->totalRows += numOfRows;
if (numOfRows > pTableBlockInfo->maxRows) pTableBlockInfo->maxRows = numOfRows;
if (numOfRows < pTableBlockInfo->minRows) pTableBlockInfo->minRows = numOfRows;
if (numOfRows < defaultRows) pTableBlockInfo->numOfSmallBlocks+=1;
int32_t stepIndex = (numOfRows-1)/TSDB_BLOCK_DIST_STEP_ROWS;
SFileBlockInfo *blockInfo = (SFileBlockInfo*)taosArrayGet(pTableBlockInfo->dataBlockInfos, stepIndex);
blockInfo->numBlocksOfStep++;