From: Jakub Kicinski <kuba@kernel.org>
To: Luka Gejak <luka.gejak@linux.dev>
Cc: davem@davemloft.net, edumazet@google.com, pabeni@redhat.com,
netdev@vger.kernel.org, fmaurer@redhat.com, horms@kernel.org
Subject: Re: [PATCH net-next v5 1/2] net: hsr: require valid EOT supervision TLV
Date: Sun, 12 Apr 2026 14:13:31 -0700 [thread overview]
Message-ID: <20260412141331.5cf4d750@kernel.org> (raw)
In-Reply-To: <0CA147BE-C5AD-4B02-BE57-B586218B52A2@linux.dev>
On Sun, 12 Apr 2026 22:46:48 +0200 Luka Gejak wrote:
> On April 12, 2026 10:31:57 PM GMT+02:00, Jakub Kicinski <kuba@kernel.org> wrote:
> >On Sun, 12 Apr 2026 22:13:35 +0200 Luka Gejak wrote:
> >> Regarding the TLV loop: I actually implemented a TLV walker in v4 [1]
> >> for this exact reason, but I moved to strict sequential parsing in v5
> >> based on reviewer's feedback to keep the implementation simple. Could
> >> you please check if the approach used in v4 is what you had in mind?
> >> If so, I will rebase that logic onto the memory safety fixes
> >> (pskb_may_pull) from v5 and submit it as v6.
> >
> >That's not really what I had in mind. I was thinking of a loop which
> >just skips the TLVs in order, leaving the parsing of known TLVs as is.
> >But I've never used HSR maybe this sort of strict validation is somehow
> >okay in HSR deployments.
> >
> >Please just undo the comment tweaks then.
>
> So keep other changes as is and only undo comment changes?
Yes, how is that not clear from my previous message? :|
next prev parent reply other threads:[~2026-04-12 21:13 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-07 16:25 [PATCH net-next v5 0/2] net: hsr: strict supervision TLV validation luka.gejak
2026-04-07 16:25 ` [PATCH net-next v5 1/2] net: hsr: require valid EOT supervision TLV luka.gejak
2026-04-08 7:48 ` Fernando Fernandez Mancera
2026-04-08 8:05 ` Fernando Fernandez Mancera
2026-04-08 8:19 ` Luka Gejak
2026-04-08 9:32 ` Felix Maurer
2026-04-12 19:45 ` Jakub Kicinski
2026-04-12 20:13 ` Luka Gejak
2026-04-12 20:31 ` Jakub Kicinski
2026-04-12 20:46 ` Luka Gejak
2026-04-12 21:13 ` Jakub Kicinski [this message]
2026-04-13 9:14 ` Felix Maurer
2026-04-07 16:25 ` [PATCH net-next v5 2/2] net: hsr: reject unresolved interlink ifindex luka.gejak
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