luci-lib-ip: explicitly clear scope when allocating new userdata

Fixes: #3609
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
(cherry picked from commit c2eeb09bd99b03eead837d8dbfb3f0d8046ccc65)

diff --git a/libs/luci-lib-ip/src/ip.c b/libs/luci-lib-ip/src/ip.c
index 698cf9a11f85d289518eaa9397ba9a3f6369c559..10d11a365bad93fc22ee537641d6ad17c0869694 100644 (file)
--- a/libs/luci-lib-ip/src/ip.c
+++ b/libs/luci-lib-ip/src/ip.c
@@ -747,6 +747,7 @@ static int cidr_mask(lua_State *L)
        if (!(p2 = lua_newuserdata(L, sizeof(*p2))))
                return 0;
 
+       p2->scope = 0;
        p2->bits = AF_BITS(p1->family);
        p2->family = p1->family;
 
@@ -790,6 +791,7 @@ static int cidr_mapped4(lua_State *L)
        if (!(p2 = lua_newuserdata(L, sizeof(*p2))))
                return 0;
 
+       p2->scope = 0;
        p2->family = AF_INET;
        p2->bits = (p1->bits > AF_BITS(AF_INET)) ? AF_BITS(AF_INET) : p1->bits;
        memcpy(&p2->addr.v4, p1->addr.v6.s6_addr + 12, sizeof(p2->addr.v4));
@@ -830,6 +832,7 @@ static int cidr_tolinklocal(lua_State *L)
        if (!(p2 = lua_newuserdata(L, sizeof(*p2))))
                return 0;
 
+       p2->scope = p1->scope;
        p2->family = AF_INET6;
        p2->bits = AF_BITS(AF_INET6);
        p2->addr.u8[0] = 0xFE;
@@ -870,6 +873,7 @@ static int cidr_tomac(lua_State *L)
        if (!(p2 = lua_newuserdata(L, sizeof(*p2))))
                return 0;
 
+       p2->scope = 0;
        p2->family = AF_PACKET;
        p2->bits = AF_BITS(AF_PACKET);
        p2->addr.u8[0] = p1->addr.u8[8] ^ 0x02;