r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f00000001c0)={0xa, 0x0, 0x0, @mcast2, 0x3}, 0x1c)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000140)={'syz_tun\x00', <r2=>0x0})
setsockopt$inet6_IPV6_PKTINFO(r0, 0x29, 0x32, &(0x7f0000000140)={@initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, r2}, 0x14)