linux-kernel - Re: [PATCH] sctp: Make "Invalid Stream Identifier" ERROR follows SACK when bundling

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

Message-ID: <CA+=dFzifKwbiXmw=pu0+rWmz72+4jsbv6bXOBHyL0LmxaL9byg@mail.gmail.com>
Date:	Wed, 25 Jul 2012 16:05:07 +0800
From:	Xufeng Zhang <xufengzhang.main@...il.com>
To:	Vlad Yasevich <vyasevich@...il.com>,
	Neil Horman <nhorman@...driver.com>
Cc:	xufeng zhang <xufeng.zhang@...driver.com>, sri@...ibm.com,
	davem@...emloft.net, linux-sctp@...r.kernel.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sctp: Make "Invalid Stream Identifier" ERROR follows SACK
 when bundling

On 7/25/12, Vlad Yasevich <vyasevich@...il.com> wrote:
>
> Actually not true.  AUTH can be before SACK.  So can any addip chunks that
> aid in locating an association.
>
> Now AUTH isn't a big issue since its autogenerated to the packet but ADDIP
> is since it could be queued up for retransmission.
>
> There could be other extensions as well.  It really needs to be done either
> through side effects or making error chunks go at the end of other control
> chunks.  Need to audit the spec to see if that's ok.
You are right, I just found SHUTDOWN chunks are also before SACK based on
your commit "[SCTP]: Fix SACK sequence during shutdown".
Maybe the only solution is to do some work on side effects just as you said.
Thanks for your explanation!



Thanks,
Xufeng Zhang
>
> -vlad
>>
>>Thanks,
>>Xufeng Zhang
>>>
>>> -vlad
>
>
> --
> Sent from my Android phone with SkitMail. Please excuse my brevity.
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/