netdev - Re: [RFC] [PATCH] net: socket: Fix the wrong returns for recvmsg and sendmsg

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Message-ID: <20150602062751.GA3912@kroah.com>
Date:	Tue, 2 Jun 2015 15:27:51 +0900
From:	Greg KH <gregkh@...uxfoundation.org>
To:	David Miller <davem@...emloft.net>
Cc:	zhengjunling@...wei.com, lizefan@...wei.com,
	viro@...iv.linux.org.uk, xuhanbing@...wei.com,
	stable@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [RFC] [PATCH] net: socket: Fix the wrong returns for recvmsg and
 sendmsg

On Mon, Jun 01, 2015 at 10:23:57PM -0700, David Miller wrote:
> From: Junling Zheng <zhengjunling@...wei.com>
> Date: Tue, 2 Jun 2015 12:05:32 +0800
> 
> > So, the problem commit is 281c9c36 (net: compat: Update
> > get_compat_msghdr() to match copy_msghdr_from_user() behaviour),
> > which fixes db31c55a6fb2 and brings the get_compat_msghdr() in line
> > with copy_msghdr_from_user().
> 
> Upstream this got fixed by:
> 
> 08adb7dabd4874cc5666b4490653b26534702ce0
> 
> So the part that makes us not unconditionally return -EFAULT needs
> to be backported, and that's probably equivalent to the patch
> your proposed which therefore should be applied.

Ok, thanks, now applied.

greg k-h
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