fix: fix bug about memcpy overflow

9a244949 · shenglian zhou · 486f2683 · 9a244949
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source/dnode/mnode/impl/src/mndShow.c source/dnode/mnode/impl/src/mndShow.c +1 -1

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--- a/source/dnode/mnode/impl/src/mndShow.c
+++ b/source/dnode/mnode/impl/src/mndShow.c
@@ -234,7 +234,7 @@ static int32_t mndProcessRetrieveSysTableReq(SRpcMsg *pReq) {
  if (retrieveReq.user[0] != 0) {
    memcpy(pReq->info.conn.user, retrieveReq.user, TSDB_USER_LEN);
  } else {
-    memcpy(pReq->info.conn.user, TSDB_DEFAULT_USER, TSDB_USER_LEN);
+    memcpy(pReq->info.conn.user, TSDB_DEFAULT_USER, strlen(TSDB_DEFAULT_USER) + 1);
  }
  if (mndCheckShowPrivilege(pMnode, pReq->info.conn.user, pShow->type, retrieveReq.db) != 0) {
    return -1;