From 17f513956a8e5636311a92f68277997ee32b0ee4 Mon Sep 17 00:00:00 2001
From: Steffen Vogel <post@steffenvogel.de>
Date: Thu, 16 Jul 2020 14:04:53 +0200
Subject: [PATCH] if: fix access of uninitialized memory

---
 lib/kernel/if.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/kernel/if.cpp b/lib/kernel/if.cpp
index fd7b21780..43e7dfdaa 100644
--- a/lib/kernel/if.cpp
+++ b/lib/kernel/if.cpp
@@ -48,7 +48,7 @@ int if_init(struct interface *i, struct rtnl_link *link)
 
 	debug(LOG_IF | 3, "Created interface '%s'", if_name(i));
 
-	int  n = if_get_irqs(i);
+	int n = if_get_irqs(i);
 	if (n > 0)
 		debug(6, "Found %u IRQs for interface '%s'", n, if_name(i));
 	else
@@ -166,6 +166,8 @@ struct interface * if_get_egress(struct sockaddr *sa, struct vlist *interfaces)
 	if (!i)
 		throw MemoryAllocationError();
 
+	memset(i, 0, sizeof(struct interface));
+
 	ret = if_init(i, link);
 	if (ret)
 		return nullptr;