fix: assert on availability of inUse SVBufPool for vnode

source/dnode/vnode/src/tsdb/tsdbMemTable.c

@@ -160,6 +160,7 @@ int32_t tsdbDeleteTableData(STsdb *pTsdb, int64_t version, tb_uid_t suid, tb_uid
     goto _err;
   }
 
+  ASSERT(pPool != NULL);
   // do delete
   SDelData *pDelData = (SDelData *)vnodeBufPoolMalloc(pPool, sizeof(*pDelData));
   if (pDelData == NULL) {
@@ -353,6 +354,7 @@ static int32_t tsdbGetOrCreateTbData(SMemTable *pMemTable, tb_uid_t suid, tb_uid
   SVBufPool *pPool = pMemTable->pTsdb->pVnode->inUse;
   int8_t     maxLevel = pMemTable->pTsdb->pVnode->config.tsdbCfg.slLevel;
 
+  ASSERT(pPool != NULL);
   pTbData = vnodeBufPoolMalloc(pPool, sizeof(*pTbData) + SL_NODE_SIZE(maxLevel) * 2);
   if (pTbData == NULL) {
     code = TSDB_CODE_OUT_OF_MEMORY;
@@ -492,6 +494,7 @@ static int32_t tbDataDoPut(SMemTable *pMemTable, STbData *pTbData, SMemSkipListN
 
   // node
   level = tsdbMemSkipListRandLevel(&pTbData->sl);
+  ASSERT(pPool != NULL);
   pNode = (SMemSkipListNode *)vnodeBufPoolMalloc(pPool, SL_NODE_SIZE(level) + tPutTSDBRow(NULL, pRow));
   if (pNode == NULL) {
     code = TSDB_CODE_OUT_OF_MEMORY;

source/dnode/vnode/src/vnd/vnodeBufPool.c

@@ -112,6 +112,8 @@ void vnodeBufPoolReset(SVBufPool *pPool) {
 void *vnodeBufPoolMalloc(SVBufPool *pPool, int size) {
   SVBufPoolNode *pNode;
   void          *p = NULL;
+  ASSERT(pPool != NULL);
+
   taosThreadSpinLock(&pPool->lock);
   if (pPool->node.size >= pPool->ptr - pPool->node.data + size) {
     // allocate from the anchor node