From af715b67421602c3b4740f807408f9eb8affbe28 Mon Sep 17 00:00:00 2001
From: yinbin <yinbin8@huawei.com>
Date: Tue, 23 Jul 2024 16:32:12 +0800
Subject: [PATCH] LOOPBACK: fix loop coredump

---
 0159-LOOPBACK-fix-loop-coredump.patch | 40 +++++++++++++++++++++++++++
 lwip.spec                             |  7 ++++-
 2 files changed, 46 insertions(+), 1 deletion(-)
 create mode 100644 0159-LOOPBACK-fix-loop-coredump.patch

diff --git a/0159-LOOPBACK-fix-loop-coredump.patch b/0159-LOOPBACK-fix-loop-coredump.patch
new file mode 100644
index 0000000..07b4705
--- /dev/null
+++ b/0159-LOOPBACK-fix-loop-coredump.patch
@@ -0,0 +1,40 @@
+From a95eada1728b09edd9f2d06bb13cab9e7b0eac8e Mon Sep 17 00:00:00 2001
+From: yinbin <yinbin8@huawei.com>
+Date: Tue, 23 Jul 2024 16:27:58 +0800
+Subject: [PATCH] LOOPBACK: fix loop coredump
+
+---
+ src/core/netif.c       | 2 +-
+ src/include/lwipopts.h | 3 +++
+ 2 files changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/src/core/netif.c b/src/core/netif.c
+index e6cdebe..eba9a0b 100644
+--- a/src/core/netif.c
++++ b/src/core/netif.c
+@@ -198,7 +198,7 @@ netif_init(void)
+ #define LOOPIF_ADDRINIT
+ #endif /* LWIP_IPV4 */
+ 
+-#if NO_SYS
++#if NO_SYS || GAZELLE_ENABLE
+   netif_add(&loop_netif, LOOPIF_ADDRINIT NULL, netif_loopif_init, ip_input);
+ #else  /* NO_SYS */
+   netif_add(&loop_netif, LOOPIF_ADDRINIT NULL, netif_loopif_init, tcpip_input);
+diff --git a/src/include/lwipopts.h b/src/include/lwipopts.h
+index e001657..4483ebe 100644
+--- a/src/include/lwipopts.h
++++ b/src/include/lwipopts.h
+@@ -288,6 +288,9 @@
+ #define LWIP_VLAN_PCP 1
+ #define VLAN_LEN 4
+ 
++#define LWIP_NETIF_LOOPBACK_MULTITHREADING 0
++
++
+ /*
+    ------------------------------------
+    ---------- multicast options ----------
+-- 
+2.34.1
+
diff --git a/lwip.spec b/lwip.spec
index d476a63..7492fae 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: 49
+Release: 50
 License: BSD
 URL:     http://savannah.nongnu.org/projects/lwip/
 Source0: http://download.savannah.nongnu.org/releases/lwip/%{name}-%{version}.zip
@@ -170,6 +170,7 @@ Patch9154:  0155-cleancode-refactor-sys_now-and-lwip_ioctl.patch
 Patch9155:  0156-cleancode-refactor-memp.patch
 Patch9156:  0157-cleancode-refactor-offload.patch
 Patch9157:  0158-enable-sys_arch-failed-log.patch
+Patch9158:  0159-LOOPBACK-fix-loop-coredump.patch
 
 BuildRequires: gcc-c++ dos2unix dpdk-devel
 
@@ -199,6 +200,10 @@ cd %{_builddir}/%{name}-%{version}/src
 %{_libdir}/liblwip.a
 
 %changelog
+* Tue Jul 23 2024 yinbin <yinbin8@huawei.com> - 2.2.0-50
+- LOOPBACK: fix loop coredump
+
+
 * Tue Jul 23 2024 LemmyHuang <huangliming5@huawei.com> - 2.2.0-49
 - cleancode: refactor offload
 - enable sys_arch failed log
-- 
Gitee