r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @mcast2, 0x3}, 0x1c)
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'syz_tun\x00', <r2=>0x0})
setsockopt$inet6_IPV6_PKTINFO(r0, 0x29, 0x32, &(0x7f0000000180)={@dev, r2}, 0x14)