r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000001540), r1)
sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)={0x30, r2, 0x901, 0x0, 0x0, {}, [@NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @private1}, @NLBL_MGMT_A_PROTOCOL={0x8}]}, 0x30}}, 0x0)