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fix(tsdb): fix invalid free

This commit is contained in:
Haojun Liao 2024-04-11 18:38:17 +08:00
parent 14242331b9
commit 5ee40fb5c9
3 changed files with 18 additions and 13 deletions
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18
source/dnode/vnode/src/tsdb/tsdbRead2.c
View File

@ -395,14 +395,18 @@ _err:
return code;
}
void resetDataBlockIterator(SDataBlockIter* pIter, int32_t order, bool hasPk) {
bool shouldFreePkBuf(SBlockLoadSuppInfo *pSupp) {
return pSupp->numOfPks > 0 && IS_VAR_DATA_TYPE(pSupp->pk.type);
}
void resetDataBlockIterator(SDataBlockIter* pIter, int32_t order, bool needFree) {
pIter->order = order;
pIter->index = -1;
pIter->numOfBlocks = 0;
if (pIter->blockList == NULL) {
pIter->blockList = taosArrayInit(4, sizeof(SFileDataBlockInfo));
} else {
clearDataBlockIterator(pIter, hasPk);
clearDataBlockIterator(pIter, needFree);
}
}
@ -3202,7 +3206,7 @@ static int32_t initForFirstBlockInFile(STsdbReader* pReader, SDataBlockIter* pBl
code = initBlockIterator(pReader, pBlockIter, num.numOfBlocks, pTableList);
} else { // no block data, only last block exists
tBlockDataReset(&pReader->status.fileBlockData);
resetDataBlockIterator(pBlockIter, pReader->info.order, pReader->suppInfo.numOfPks > 0);
resetDataBlockIterator(pBlockIter, pReader->info.order, shouldFreePkBuf(&pReader->suppInfo));
resetTableListIndex(&pReader->status);
}
@ -3312,7 +3316,7 @@ static int32_t buildBlockFromFiles(STsdbReader* pReader) {
}
tBlockDataReset(pBlockData);
resetDataBlockIterator(pBlockIter, pReader->info.order, pReader->suppInfo.numOfPks > 0);
resetDataBlockIterator(pBlockIter, pReader->info.order, shouldFreePkBuf(&pReader->suppInfo));
resetTableListIndex(&pReader->status);
ERetrieveType type = doReadDataFromSttFiles(pReader);
@ -4157,7 +4161,7 @@ static int32_t doOpenReaderImpl(STsdbReader* pReader) {
}
initFilesetIterator(&pStatus->fileIter, pReader->pReadSnap->pfSetArray, pReader);
resetDataBlockIterator(&pStatus->blockIter, pReader->info.order, pReader->suppInfo.numOfPks > 0);
resetDataBlockIterator(&pStatus->blockIter, pReader->info.order, shouldFreePkBuf(&pReader->suppInfo));
int32_t code = TSDB_CODE_SUCCESS;
if (pStatus->fileIter.numOfFiles == 0) {
@ -4361,7 +4365,7 @@ void tsdbReaderClose2(STsdbReader* pReader) {
taosMemoryFree(pSupInfo->colId);
tBlockDataDestroy(&pReader->status.fileBlockData);
cleanupDataBlockIterator(&pReader->status.blockIter, pReader->suppInfo.numOfPks > 0);
cleanupDataBlockIterator(&pReader->status.blockIter, shouldFreePkBuf(&pReader->suppInfo));
size_t numOfTables = tSimpleHashGetSize(pReader->status.pTableMap);
if (pReader->status.pTableMap != NULL) {
@ -5037,7 +5041,7 @@ int32_t tsdbReaderReset2(STsdbReader* pReader, SQueryTableDataCond* pCond) {
int32_t numOfTables = tSimpleHashGetSize(pStatus->pTableMap);
initFilesetIterator(&pStatus->fileIter, pReader->pReadSnap->pfSetArray, pReader);
resetDataBlockIterator(pBlockIter, pReader->info.order, pReader->suppInfo.numOfPks > 0);
resetDataBlockIterator(pBlockIter, pReader->info.order, shouldFreePkBuf(&pReader->suppInfo));
resetTableListIndex(&pReader->status);
bool asc = ASCENDING_TRAVERSE(pReader->info.order);

10
source/dnode/vnode/src/tsdb/tsdbReadUtil.c
View File

@ -467,21 +467,21 @@ static void freePkItem(void* pItem) {
taosMemoryFreeClear(p->lastPk.pData);
}
void clearDataBlockIterator(SDataBlockIter* pIter, bool hasPk) {
void clearDataBlockIterator(SDataBlockIter* pIter, bool needFree) {
pIter->index = -1;
pIter->numOfBlocks = 0;
if (hasPk) {
if (needFree) {
taosArrayClearEx(pIter->blockList, freePkItem);
} else {
taosArrayClear(pIter->blockList);
}
}
void cleanupDataBlockIterator(SDataBlockIter* pIter, bool hasPk) {
void cleanupDataBlockIterator(SDataBlockIter* pIter, bool needFree) {
pIter->index = -1;
pIter->numOfBlocks = 0;
if (hasPk) {
if (needFree) {
taosArrayDestroyEx(pIter->blockList, freePkItem);
} else {
taosArrayDestroy(pIter->blockList);
@ -492,7 +492,7 @@ int32_t initBlockIterator(STsdbReader* pReader, SDataBlockIter* pBlockIter, int3
bool asc = ASCENDING_TRAVERSE(pReader->info.order);
SBlockOrderSupporter sup = {0};
clearDataBlockIterator(pBlockIter, pReader->suppInfo.numOfPks > 0);
clearDataBlockIterator(pBlockIter, shouldFreePkBuf(&pReader->suppInfo));
pBlockIter->numOfBlocks = numOfBlocks;

3
source/dnode/vnode/src/tsdb/tsdbReadUtil.h
View File

@ -349,8 +349,9 @@ int32_t pkCompEx(__compar_fn_t comparFn, SRowKey* p1, SRowKey* p2);
int32_t initRowKey(SRowKey* pKey, int64_t ts, int32_t numOfPks, int32_t type, int32_t len, bool asc);
void clearRowKey(SRowKey* pKey);
bool shouldFreePkBuf(SBlockLoadSuppInfo *pSupp);
void resetDataBlockIterator(SDataBlockIter* pIter, int32_t order, bool hasPk);
void clearDataBlockIterator(SDataBlockIter* pIter, bool hasPk);
void clearDataBlockIterator(SDataBlockIter* pIter, bool needFree);
void cleanupDataBlockIterator(SDataBlockIter* pIter, bool hasPk);
typedef struct {