Merge pull request #18220 from taosdata/fix/TD-20493

fix: memory leak while balance vgroup

source/dnode/mnode/impl/src/mndVgroup.c

@@ -1907,6 +1907,7 @@ static int32_t mndBalanceVgroup(SMnode *pMnode, SRpcMsg *pReq, SArray *pArray) {
   }
 
 _OVER:
+  taosHashCleanup(pBalancedVgroups);
   mndTransDrop(pTrans);
   return code;
 }

source/libs/wal/src/walMgmt.c

@@ -251,7 +251,7 @@ static void walFsyncAll() {
       int32_t code = taosFsyncFile(pWal->pLogFile);
       if (code != 0) {
         wError("vgId:%d, file:%" PRId64 ".log, failed to fsync since %s", pWal->cfg.vgId, walGetLastFileFirstVer(pWal),
-               strerror(code));
+               strerror(errno));
       }
     }
     pWal = taosIterateRef(tsWal.refSetId, pWal->refId);

source/util/src/terror.c

@@ -646,7 +646,12 @@ const char* tstrerror(int32_t err) {
 
   // this is a system errno
   if ((err & 0x00ff0000) == 0x00ff0000) {
-    return strerror(err & 0x0000ffff);
+    int32_t code = err & 0x0000ffff;
+    if (code >= 0 && code < 36) {
+      return strerror(code);
+    } else {
+      return "unknown err";
+    }
   }
 
   int32_t s = 0;

tests/parallel_test/cases.task

@@ -11,7 +11,7 @@
 ,,y,script,./test.sh -f tsim/user/privilege_db.sim
 ,,y,script,./test.sh -f tsim/user/privilege_sysinfo.sim
 ,,y,script,./test.sh -f tsim/db/alter_option.sim
-,,,script,./test.sh -f tsim/db/alter_replica_13.sim
+,,y,script,./test.sh -f tsim/db/alter_replica_13.sim
 ,,y,script,./test.sh -f tsim/db/alter_replica_31.sim
 ,,y,script,./test.sh -f tsim/db/basic1.sim
 ,,y,script,./test.sh -f tsim/db/basic2.sim