r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000140)={'syz_tun\x00', <r1=>0x0})
r2 = socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$ethtool(&(0x7f00000004c0), 0xffffffffffffffff)
sendmsg$ETHTOOL_MSG_LINKINFO_SET(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000600)={0x28, r3, 0x1, 0x0, 0x0, {}, [@ETHTOOL_A_LINKINFO_PORT={0x5}, @ETHTOOL_A_LINKINFO_HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r1}]}]}, 0x28}}, 0x0)