Merge pull request #19253 from taosdata/fix/TD-21589

fix(meta/snap): return -1 when decoder meta entry failed

source/dnode/vnode/src/meta/metaEntry.c

@@ -99,7 +99,9 @@ int metaDecodeEntry(SDecoder *pCoder, SMetaEntry *pME) {
     }
     if (tDecodeTSma(pCoder, pME->smaEntry.tsma, true) < 0) return -1;
   } else {
-    ASSERT(0);
+    metaError("meta/entry: invalide table type: %" PRId8 " decode failed.", pME->type);
+
+    return -1;
   }
 
   tEndDecode(pCoder);

source/dnode/vnode/src/meta/metaSnapshot.c

@@ -189,7 +189,8 @@ int32_t metaSnapWrite(SMetaSnapWriter* pWriter, uint8_t* pData, uint32_t nData)
   SDecoder*  pDecoder = &(SDecoder){0};
 
   tDecoderInit(pDecoder, pData + sizeof(SSnapDataHdr), nData - sizeof(SSnapDataHdr));
-  metaDecodeEntry(pDecoder, &metaEntry);
+  code = metaDecodeEntry(pDecoder, &metaEntry);
+  if (code) goto _err;
 
   code = metaHandleEntry(pMeta, &metaEntry);
   if (code) goto _err;
@@ -198,6 +199,7 @@ int32_t metaSnapWrite(SMetaSnapWriter* pWriter, uint8_t* pData, uint32_t nData)
   return code;
 
 _err:
+  tDecoderClear(pDecoder);
   metaError("vgId:%d, vnode snapshot meta write failed since %s", TD_VID(pMeta->pVnode), tstrerror(code));
   return code;
 }