Re: [PATCH nft] datatype: accept a numeric cgroupsv2 id on input

[Phil Sutter <phil@nwl.cc>]

On Wed, Jul 29, 2026 at 01:43:50PM +0200, Pablo Neira Ayuso wrote:
> On Wed, Jul 29, 2026 at 03:33:56PM +0530, Avinash Duduskar wrote:
> > On Wed, Jul 29, 2026 at 11:13:47AM +0200, Phil Sutter wrote:
> > > Is it true that integer_type_parse respects negative values as such?
> > > Because that void avoid the mentioned issue of '-1' becoming '1'.
> > > Negative values would just not match.
> > 
> > No, the sign parses but is dropped on export: "-1" stores as element 1
> > and "-2" then lists as "cgroup.procs". Garbage in, garbage out either
> > way, as you say, so v2 delegates to integer_type_parse().
> > 
> > For the metainfo dump test I will take the jq route, as a follow-up.
> 
> Regarding this misparsing of -1, I think this issue is related to the
> integer parser, which can be revisited in a follow up patch.
> 
> I'd suggest to fix the removal of cgroupsv2 by inode id, then look
> into improving the integer parser.

ACK, this thread is slowly going off-topic. Sorry for exacerbating it.
Avinash, no veto from my side for your proposed v2. Feel free to
formally submit it and anything else will happen as follow-ups.

Thanks, Phil