r0 = socket$inet6_udplite(0xa, 0x2, 0x88)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000140)={'syz_tun\x00', <r2=>0x0})
ioctl$sock_inet6_SIOCDIFADDR(r0, 0x8936, &(0x7f0000000000)={@mcast2, 0x78, r2})