netdev - ynl with nftables.yaml

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID:
 <MN0PR18MB58472AF35605FF6FC96EE6DDD3FBA@MN0PR18MB5847.namprd18.prod.outlook.com>
Date: Thu, 30 Oct 2025 03:58:12 +0000
From: Ratheesh Kannoth <rkannoth@...vell.com>
To: "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC: "donald.hunter@...il.com" <donald.hunter@...il.com>
Subject: ynl with nftables.yaml 

Hi List,

When I get below error, when I execute the example command mentioned in https://lwn.net/Articles/970364/ .  

####################
root@...alhost:~/linux# ./tools/net/ynl/pyynl/cli.py  --spec Documentation/netlink/specs/nftables.yaml  --multi batch-begin '{"res-id": 10}'  --multi newtable '{"name": "test", "nfgen-family": 1}'  --multi newchain '{"name": "chain", "table": "test", "nfgen-family": 1}'  --multi batch-end '{"res-id": 10}'
Traceback (most recent call last):
  File "/root/linux/./tools/net/ynl/pyynl/cli.py", line 163, in <module>
    main()
    ~~~~^^
  File "/root/linux/./tools/net/ynl/pyynl/cli.py", line 123, in main
    ynl = YnlFamily(spec, args.schema, args.process_unknown,
                    recv_size=args.dbg_small_recv)
  File "/root/linux/tools/net/ynl/pyynl/lib/ynl.py", line 468, in __init__
    super().__init__(def_path, schema)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/root/linux/tools/net/ynl/pyynl/lib/nlspec.py", line 462, in __init__
    jsonschema.validate(self.yaml, schema)
    ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.13/site-packages/jsonschema/validators.py", line 1332, in validate
    raise error
jsonschema.exceptions.ValidationError: 'set id' does not match '^[0-9a-z-]+$'

Failed validating 'pattern' in schema['properties']['attribute-sets']['items']['properties']['attributes']['items']['properties']['name']:
    {'type': 'string', 'pattern': '^[0-9a-z-]+$'}

On instance['attribute-sets'][34]['attributes'][1]['name']:
    'set id'
########################

root@...alhost:~/linux# pip show jsonschema
WARNING: The directory '/root/.cache/pip' or its parent directory is not owned or is not writable by the current user. The cache has been disabled. Check the permissions and owner of that directory. If executing pip with sudo, you should use sudo's -H flag.
Name: jsonschema
Version: 4.25.1
Summary: An implementation of JSON Schema validation for Python
Home-page: https://github.com/python-jsonschema/jsonschema
Author:
Author-email: Julian Berman <Julian+jsonschema@...yVines.com>
License-Expression: MIT
Location: /usr/local/lib/python3.13/site-packages
Requires: attrs, jsonschema-specifications, referencing, rpds-py
Required-by:

root@...alhost:~/linux# python3 -V
Python 3.13.9