r0 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000e00), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000140)={'lo\x00', 0x0}) sendmsg$ETHTOOL_MSG_STRSET_GET(r1, &(0x7f0000002d00)={0x0, 0x0, &(0x7f0000002cc0)={&(0x7f0000000180)={0x20, r0, 0x1, 0x0, 0x0, {0x2}, [@ETHTOOL_A_STRSET_HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}]}]}, 0x20}}, 0x0)