From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH] net/tls: Fix inverted error codes to avoid endless loop
Date: Mon, 15 Jan 2018 14:22:43 -0500 (EST)
Message-ID: <20180115.142243.1361498117671737724.davem@davemloft.net>
References: <OFDE383861.BE760332-ONC1258213.0050C28B@avm.de>
Mime-Version: 1.0
Content-Type: Text/Plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Cc: netdev@vger.kernel.org
To: r.hering@avm.de
Return-path: <netdev-owner@vger.kernel.org>
Received: from shards.monkeyblade.net ([184.105.139.130]:51558 "EHLO
        shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1750752AbeAOTWo (ORCPT
        <rfc822;netdev@vger.kernel.org>); Mon, 15 Jan 2018 14:22:44 -0500
In-Reply-To: <OFDE383861.BE760332-ONC1258213.0050C28B@avm.de>
Sender: netdev-owner@vger.kernel.org
List-ID: <netdev.vger.kernel.org>

From: r.hering@avm.de
Date: Fri, 12 Jan 2018 15:42:06 +0100

> sendfile() calls can hang endless with using Kernel TLS if a socket error occurs.
> Socket error codes must be inverted by Kernel TLS before returning because
> they are stored with positive sign. If returned non-inverted they are
> interpreted as number of bytes sent, causing endless looping of the
> splice mechanic behind sendfile().
> 
> Signed-off-by: Robert Hering <r.hering@avm.de>

Applied and queued up for -stable, thanks.