diff --git a/frameworks/libhilog/socket/dgram_socket_server.cpp b/frameworks/libhilog/socket/dgram_socket_server.cpp
index 2964865918898957153f417fd4c3d24c29ade637..2e6840dfb0bccde1111e6064342fb0e5b75cb261 100644
--- a/frameworks/libhilog/socket/dgram_socket_server.cpp
+++ b/frameworks/libhilog/socket/dgram_socket_server.cpp
@@ -57,7 +57,7 @@ int DgramSocketServer::RecvPacket(std::vector<char>& buffer, struct ucred *cred)
         return ret;
     } else if (cred != nullptr) {
         struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msgh);
-        struct ucred *receivedUcred = (struct ucred*)CMSG_DATA(cmsg);
+        struct ucred *receivedUcred = (cmsg == nullptr) ? (nullptr) : ((struct ucred*)CMSG_DATA(cmsg));
         if (receivedUcred == nullptr) {
             return 0;
         }