r0 = socket$inet6_udp(0xa, 0x2, 0x0)
setsockopt$inet6_mreq(r0, 0x29, 0x30, 0x0, 0x1300)
r1 = socket$packet(0x11, 0x2, 0x300)
r2 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000200)={'syz_tun\x00', <r3=>0x0})
setsockopt$packet_add_memb(r1, 0x107, 0x1, &(0x7f0000000100)={r3, 0x3, 0x6, @multicast}, 0x10)
ioctl$sock_inet6_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000000)={@dev={0xfe, 0x80, '\x00', 0x1c}, 0x44, r3})