diff --git a/0113-fix-duplicate-pbuf_free-in-udp_sendto.patch b/0113-fix-duplicate-pbuf_free-in-udp_sendto.patch
new file mode 100644
index 0000000..30c7aa5
--- /dev/null
+++ b/0113-fix-duplicate-pbuf_free-in-udp_sendto.patch
@@ -0,0 +1,24 @@
+From 3b0bca4b38276c95f1305247ebf8a3db02ff5d83 Mon Sep 17 00:00:00 2001
+From: liyunqing <liyunqing@kylinos.cn>
+Date: Thu, 7 Mar 2024 11:18:00 +0800
+Subject: [PATCH] fix duplicate pbuf_free in udp_sendto
+
+---
+ src/core/udp.c | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/src/core/udp.c b/src/core/udp.c
+index 440f909..ff5c99b 100644
+--- a/src/core/udp.c
++++ b/src/core/udp.c
+@@ -680,7 +680,6 @@ udp_sendto_chksum(struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *dst_ip,
+   struct pbuf *udp_pbuf = do_lwip_get_from_sendring((struct lwip_sock *)(p->payload), p->tot_len, &apiflags);
+   do_lwip_get_from_sendring_over((struct lwip_sock *)(p->payload));
+ 
+-  pbuf_free(p);
+   p = udp_pbuf;
+   if (p == NULL) {
+     return ERR_MEM;
+-- 
+2.27.0
+
diff --git a/lwip.spec b/lwip.spec
index 2173183..fbc4785 100644
--- a/lwip.spec
+++ b/lwip.spec
@@ -4,7 +4,7 @@
 Summary: lwip is a small independent implementation of the TCP/IP protocol suite
 Name:    lwip
 Version: 2.2.0
-Release: 5
+Release: 6
 License: BSD
 URL:     http://savannah.nongnu.org/projects/lwip/
 Source0: http://download.savannah.nongnu.org/releases/lwip/%{name}-%{version}.zip
@@ -124,6 +124,7 @@ Patch9108:  0109-support-udp-recv-zero-packets.patch
 Patch9109:  0110-adapt-lwip-2.2.0.patch
 Patch9110:  0111-support-udp-pkglen-mtu-modify-IP_REASS_MAX_PBUFS.patch
 Patch9111:  0112-support-udp-pkglen-mtu-modify-netbuf_alloc-size.patch
+Patch9112:  0113-fix-duplicate-pbuf_free-in-udp_sendto.patch
 
 BuildRequires: gcc-c++ dos2unix dpdk-devel
 
@@ -153,6 +154,9 @@ cd %{_builddir}/%{name}-%{version}/src
 %{_libdir}/liblwip.a
 
 %changelog
+* Thu Mar 7 2024 liyunqing <liyunqing@kylinos.cn> - 2.2.0-6
+- fix duplicate pbuf_free in udp_sendto
+
 * Wed Mar 6 2024 yangchen <yangchen145@huawei.com> - 2.2.0-5
 - support udp pkglen > mtu: modify netbuf_alloc size