r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000140)={0x14, 0x52, 0x101}, 0x14}}, 0x0) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), r0)