From 4597d5e03fefa6bb775a91dda96e45454be8cc3e Mon Sep 17 00:00:00 2001
From: Jiacheng Guo <gjc@google.com>
Date: Tue, 31 Mar 2020 22:59:54 +0800
Subject: [PATCH] [posix] fix mld process invalid arguments (#4764)

---
 src/posix/platform/netif.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/posix/platform/netif.cpp b/src/posix/platform/netif.cpp
index a19dd7d77..c53dcf2f4 100644
--- a/src/posix/platform/netif.cpp
+++ b/src/posix/platform/netif.cpp
@@ -464,7 +464,7 @@ static void processMLDEvent(otInstance *aInstance)
     uint8_t             buffer[kMaxMLDEvent];
     ssize_t             bufferLen = -1;
     struct sockaddr_in6 srcAddr;
-    socklen_t           addrLen;
+    socklen_t           addrLen  = sizeof(srcAddr);
     bool                fromSelf = false;
     MLDv2Header *       hdr      = reinterpret_cast<MLDv2Header *>(buffer);
     size_t              offset;