linux-kernel - Re: [4.1 backport trouble] Re: BUGreport: fix minor infoleak in get_user

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Date:   Sun, 30 Oct 2016 14:16:32 -0400
From:   "Levin, Alexander" <alexander.levin@...izon.com>
To:     Al Viro <viro@...IV.linux.org.uk>
Cc:     Joe Korty <joe.korty@...current.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        "Levin, Alexander" <alexander.levin@...izon.com>
Subject: Re: [4.1 backport trouble] Re: BUGreport: fix minor infoleak in
 get_user_ex()

On Thu, Oct 27, 2016 at 10:02:10PM -0400, Al Viro wrote:
> ... and frankly, backporting 548acf19234d would be my preference.  It's a bit
> more intrusive than needed (_ASM_EXTABLE_FAULT is used only in memcpy_mcsafe(),
> which is used only by pmem and it's the only reason for passing the trap
> number to fixup_exception()), but AFAICS it's fairly safe.  Objections?

I've grabbed 548acf19234d for 4.1, thanks!

-- 

Thanks,
Sasha