netdev - Re: [PATCH v2] KEYS: DNS: limit the length of option strings

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Message-ID: <20180323202122.GB16350@gmail.com>
Date:   Fri, 23 Mar 2018 13:21:22 -0700
From:   Eric Biggers <ebiggers3@...il.com>
To:     David Howells <dhowells@...hat.com>
Cc:     keyrings@...r.kernel.org, netdev@...r.kernel.org,
        Mark Rutland <mark.rutland@....com>,
        Eric Biggers <ebiggers@...gle.com>
Subject: Re: [PATCH v2] KEYS: DNS: limit the length of option strings

On Mon, Mar 12, 2018 at 10:57:07AM -0700, Eric Biggers wrote:
> On Wed, Mar 07, 2018 at 03:54:37PM +0000, David Howells wrote:
> > Eric Biggers <ebiggers3@...il.com> wrote:
> > 
> > > Fix it by limiting option strings (combined name + value) to a much more
> > > reasonable 128 bytes.  The exact limit is arbitrary, but currently the
> > > only recognized option is formatted as "dnserror=%lu" which fits well
> > > within this limit.
> > 
> > There will be more options coming ("ipv4", "ipv6") but they shouldn't overrun
> > this limit and we can always extend the limit if need be.
> > 
> > David
> 
> David (Howells) do you want to take this patch through the keyrings tree or
> should I ask David Miller to take it through net-next?
> 
> Eric

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