From 09c62a8577c340c0254c42bc57c0d193704aa169 Mon Sep 17 00:00:00 2001
From: kircher <majun65@huawei.com>
Date: Fri, 23 Dec 2022 11:50:05 +0800
Subject: [PATCH] fix null pointer deref in stack_broadcast_close

---
 src/lstack/core/lstack_protocol_stack.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lstack/core/lstack_protocol_stack.c b/src/lstack/core/lstack_protocol_stack.c
index 7b53b91..9cc8946 100644
--- a/src/lstack/core/lstack_protocol_stack.c
+++ b/src/lstack/core/lstack_protocol_stack.c
@@ -783,7 +783,7 @@ int32_t stack_broadcast_close(int32_t fd)
             ret = -1;
         }
 
-        if (sock == NULL) {
+        if (sock == NULL || sock->conn == NULL) {
             break;
         }
         fd = sock->conn->socket;
-- 
2.33.0