From 8d03d8b95976b0d819722b49a737be657ab1bc47 Mon Sep 17 00:00:00 2001
From: icy17 <1061499390@qq.com>
Date: Wed, 10 Apr 2024 19:07:59 +0800
Subject: [PATCH] Fix potential Null pointer dereference in
 extract_vbucket_conf.cc

---
 apps/evmc/extract_vbucket_conf.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/apps/evmc/extract_vbucket_conf.cc b/apps/evmc/extract_vbucket_conf.cc
index 16faf1c58..9a3004b55 100644
--- a/apps/evmc/extract_vbucket_conf.cc
+++ b/apps/evmc/extract_vbucket_conf.cc
@@ -45,7 +45,13 @@ void GetVbucketConf::OnHttpReqDone(struct evhttp_request* req, void* arg) {
 int GetVbucketConf::GetRemoteVbucketConf(const std::string& conf_addr, std::string& context) {
     evpp::httpc::URLParser url(conf_addr);
     struct event_base* base = event_base_new();
+    if (base == NULL) {
+        return -1;
+    }
     struct evhttp_connection* conn = evhttp_connection_base_new(base, nullptr, url.host.c_str(), url.port);
+    if (conn == NULL) {
+        return -1;
+    }
     HttpReqDoneArg arg;
     arg.event = base;
     arg.retstr = &context;