fix udp recv memleak

(cherry picked from commit ae967bf99f5eacfc2d4a5a3ca4cb59c0560be245)

0124-fix-udp-recv-memleak.patch

@@ -0,0 +1,24 @@
+From b80f4cd0b3d5ea5349599ef12dd13a0bedafb3b9 Mon Sep 17 00:00:00 2001
+From: compile_success <980965867@qq.com>
+Date: Mon, 22 Apr 2024 15:11:21 +0000
+Subject: [PATCH] fix udp recv memleak
+
+---
+ src/api/api_msg.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/api/api_msg.c b/src/api/api_msg.c
+index f0a3e0b..9da4869 100644
+--- a/src/api/api_msg.c
++++ b/src/api/api_msg.c
+@@ -286,6 +286,7 @@ recv_udp(void *arg, struct udp_pcb *pcb, struct pbuf *p,
+   p->port = port;
+   len = p->tot_len;
+   if (sys_mbox_trypost(&conn->recvmbox, p) != ERR_OK) {
++    pbuf_free(p);
+     return;
+ #else /* GAZELLE_UDP_ENABLE */
+   err_t err;
+-- 
+2.33.0
+

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: 16
+Release: 17
 License: BSD
 URL:     http://savannah.nongnu.org/projects/lwip/
 Source0: http://download.savannah.nongnu.org/releases/lwip/%{name}-%{version}.zip
@@ -135,6 +135,7 @@ Patch9119:  0120-enable-SO_REUSE_RXTOALL.patch
 Patch9120:  0121-add-vlan-filter.patch
 Patch9121:  0122-support-mldv2.patch
 Patch9122:  0123-opts-modify-MEMP_NUM_UDP_PCB.patch 
+Patch9123:  0124-fix-udp-recv-memleak.patch
 
 BuildRequires: gcc-c++ dos2unix dpdk-devel
 
@@ -164,6 +165,9 @@ cd %{_builddir}/%{name}-%{version}/src
 %{_libdir}/liblwip.a
 
 %changelog
+* Mon Apr 22 2024 zhujunhao <zhujunhao11@huawei.com> - 2.2.0-17
+- fix udp recv memleak
+
 * Thu Apr 11 2024 yinbin <yinbin8@huawei.com> - 2.2.0-16
 - opts: modify MEMP_NUM_UDP_PCB