From 44bd41209f84f5b0120e0605742ed60538b549df Mon Sep 17 00:00:00 2001
From: czmCZM213 <15116431040@163.com>
Date: Mon, 1 Sep 2025 09:49:00 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AF=B9CMSG=5FFIRSTHDR=E8=BF=94=E5=9B=9ENULL?=
 =?UTF-8?q?=E5=81=9A=E5=A4=84=E7=90=86?=
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Signed-off-by: czmCZM213 <15116431040@163.com>
---
 frameworks/libhilog/socket/dgram_socket_server.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/frameworks/libhilog/socket/dgram_socket_server.cpp b/frameworks/libhilog/socket/dgram_socket_server.cpp
index 2964865..2e6840d 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;
         }
-- 
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