diff --git a/0174-fix-lstack-Makefile-warning.patch b/0174-fix-lstack-Makefile-warning.patch
new file mode 100644
index 0000000..5490d24
--- /dev/null
+++ b/0174-fix-lstack-Makefile-warning.patch
@@ -0,0 +1,31 @@
+From 3564b6cc6405b75864c133f419cf8c3771810f22 Mon Sep 17 00:00:00 2001
+From: wu-changsheng <wuchangsheng2@huawei.com>
+Date: Thu, 22 Dec 2022 10:31:32 +0800
+Subject: [PATCH] fix lstack Makefile warning
+
+---
+ src/lstack/Makefile | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/src/lstack/Makefile b/src/lstack/Makefile
+index b6cbd32..d56fd65 100644
+--- a/src/lstack/Makefile
++++ b/src/lstack/Makefile
+@@ -21,11 +21,12 @@ OPTIMIZATION = -O2 -g
+ RM = rm -f
+ LDFLAGS = -shared -ldl -lm -lpthread -lrt -lnuma -lconfig -lboundscheck
+ 
+-ifeq ($(CC),gcc)
++ifneq ($(CC),clang)
+ 	SEC_FLAGS = -fstack-protector-strong -Werror -Wall -Wl,-z,relro, -Wl,-z,now -Wl,-z,noexecstack -Wtrampolines -fPIC -D_FORTIFY_SOURCE=2
+-else ifeq($(CC),clang)
++else
+ 	SEC_FLAGS = -fstack-protector-strong -Werror -Wall -fPIC
+ endif
++$(info $(CC):$(SEC_FLAGS))
+ 
+ INC = -I$(LSTACK_DIR)/include   \
+       -I$(LSTACK_DIR)/../common \
+-- 
+2.33.0
+
diff --git a/0175-fix-null-pointer-deref-in-stack_broadcast_close.patch b/0175-fix-null-pointer-deref-in-stack_broadcast_close.patch
new file mode 100644
index 0000000..fced0ca
--- /dev/null
+++ b/0175-fix-null-pointer-deref-in-stack_broadcast_close.patch
@@ -0,0 +1,25 @@
+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
+
diff --git a/gazelle.spec b/gazelle.spec
index 689cede..9b4b939 100644
--- a/gazelle.spec
+++ b/gazelle.spec
@@ -2,7 +2,7 @@
 
 Name:          gazelle
 Version:       1.0.1
-Release:       40
+Release:       41
 Summary:       gazelle is a high performance user-mode stack
 License:       MulanPSL-2.0
 URL:           https://gitee.com/openeuler/gazelle
@@ -188,6 +188,8 @@ Patch9170:     0170-add-rcv-nxt-dfx-info.patch
 Patch9171:     0171-mbuf-private-data-size-align-cache-line.patch
 Patch9172:     0172-fix-send-pkts-bluk-err.patch
 Patch9173:     0173-free-recv-pkts-bluks.patch
+Patch9174:     0174-fix-lstack-Makefile-warning.patch
+Patch9175:     0175-fix-null-pointer-deref-in-stack_broadcast_close.patch
 
 %description
 %{name} is a high performance user-mode stack.
@@ -228,6 +230,10 @@ install -Dpm 0640 %{_builddir}/%{name}-%{version}/src/ltran/ltran.conf       %{b
 %config(noreplace) %{conf_path}/ltran.conf
 
 %changelog
+* Fri Dec 23 2022 kircher <majun65@huawei.com> - 1.0.1-41
+- fix null pointer deref in stack_broadcast_close
+- fix lstack Makefile warning
+
 * Thu Dec 22 2022 wuchangsheng <wuchangsheng2@huawei.com> - 1.0.1-40
 - add dfx rcv_nxt info
   mbuf private cache line align