r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000380), r0)
sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000500)={0x1c, r1, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x1c}}, 0x0)