r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$ethtool(&(0x7f00000002c0), 0xffffffffffffffff)
r2 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'lo\x00', <r3=>0x0})
sendmsg$ETHTOOL_MSG_COALESCE_GET(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000140)={0x20, r1, 0x1, 0x0, 0x0, {0x3}, [@HEADER={0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r3}]}]}, 0x20}}, 0x0)