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To: linux-kernel@vger.kernel.org
Subject: Re: How to find origin PID of a sk_buff in iptables match?
References: <b8ixO-2NS-5@gated-at.bofh.it>
From: Markku Savela <msa@moth.iki.fi>
Date: Fri, 05 Sep 2008 14:49:59 +0300
In-Reply-To: <b8ixO-2NS-5@gated-at.bofh.it> (Markku Savela's message of "Thu\, 04 Sep 2008 10\:40\:08 +0200")
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Actually, my problem can be reduced to a question:

 Can someone explain why core/sock.c in function sock_init_data sets

    sk->sk_peercred.pid = 0;
    sk->sk_peercred.uid = -1;
    sk->sk_peercred.pid = -1;

 instead of assigning default values from the current task context?