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Date:	Tue, 30 Mar 2010 13:56:22 -0700 (PDT)
From:	David Miller <>
Subject: Re: [PATCH] net: Fix oops from tcp_collapse() when using splice()

From: David Miller <>
Date: Tue, 30 Mar 2010 13:47:41 -0700 (PDT)

> From: "Steven J. Magnani" <>
> Date: Tue, 30 Mar 2010 15:45:13 -0500
>> tcp_read_sock() can have a eat skbs without immediately advancing copied_seq.
>> This can cause a panic in tcp_collapse() if it is called as a result
>> of the recv_actor dropping the socket lock.
>> A userspace program that splices data from a socket to either another
>> socket or to a file can trigger this bug.
>> Signed-off-by: Steven J. Magnani <>
> Thanks for fixing this I'll look at your patch more closely
> right now.

Patch applied, thanks Steven!
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