netdev - Re: Kernel memory corruption in CIPSO labeled TCP packets processing.

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Message-Id: <11242361548940840@iva8-8d7a47df0521.qloud-c.yandex.net>
Date:   Thu, 31 Jan 2019 16:20:40 +0300
From:   Nazarov Sergey <s-nazarov@...dex.ru>
To:     Paul Moore <paul@...l-moore.com>
Cc:     "linux-security-module@...r.kernel.org" 
        <linux-security-module@...r.kernel.org>,
        "selinux@...r.kernel.org" <selinux@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Casey Schaufler <casey@...aufler-ca.com>
Subject: Re: Kernel memory corruption in CIPSO labeled TCP packets processing.

31.01.2019, 05:10, "Paul Moore" <paul@...l-moore.com>:
> This isn't how the rest of the stack works, look at
> ip_local_deliver_finish() for one example. Perhaps the behavior you
> are proposing is correct, but please show me where in the various RFC
> specs it is defined so that I can better understand why it should work
> this way.
> --
> paul moore
> www.paul-moore.com

Sorry, I was inattentive. ip_options_compile modifies srr option data, only if
skb is NULL. My last message could be ignored.