From: Santiago Piccinini <spiccinini@altermundi.net>
Date: Sun, 6 Sep 2020 21:15:29 +0000 (-0300)
Subject: luci-lib-ip: fix tolinklocal invalid ipv6 result
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=62505bdd2d25f4e2538904938160495515b8bbf9;p=project%2Fluci.git

luci-lib-ip: fix tolinklocal invalid ipv6 result

Force zeroing uninitialized memory.

Signed-off-by: Santiago Piccinini <spiccinini@altermundi.net>
---

diff --git a/libs/luci-lib-ip/src/ip.c b/libs/luci-lib-ip/src/ip.c
index 10d11a365b..9b157da265 100644
--- a/libs/luci-lib-ip/src/ip.c
+++ b/libs/luci-lib-ip/src/ip.c
@@ -837,6 +837,12 @@ static int cidr_tolinklocal(lua_State *L)
 	p2->bits = AF_BITS(AF_INET6);
 	p2->addr.u8[0] = 0xFE;
 	p2->addr.u8[1] = 0x80;
+	p2->addr.u8[2] = 0x00;
+	p2->addr.u8[3] = 0x00;
+	p2->addr.u8[4] = 0x00;
+	p2->addr.u8[5] = 0x00;
+	p2->addr.u8[6] = 0x00;
+	p2->addr.u8[7] = 0x00;
 	p2->addr.u8[8] = p1->addr.u8[0] ^ 0x02;
 	p2->addr.u8[9] = p1->addr.u8[1];
 	p2->addr.u8[10] = p1->addr.u8[2];