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

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 for Android: free password hash cracker in your pocket

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

Message-ID: <20180312175707.GA230165@gmail.com>
Date:   Mon, 12 Mar 2018 10:57:07 -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 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