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From: Jason Gunthorpe <jgg@nvidia.com>
To: Leon Romanovsky <leon@kernel.org>
Cc: Bob Pearson <rpearsonhpe@gmail.com>, <linux-rdma@vger.kernel.org>,
	Bob Pearson <rpearson@hpe.com>
Subject: Re: [PATCH 1/1] Address an issue with hardened user copy
Date: Fri, 14 Aug 2020 12:13:32 -0300	[thread overview]
Message-ID: <20200814151332.GM1152540@nvidia.com> (raw)
In-Reply-To: <20200812055255.GI634816@unreal>

On Wed, Aug 12, 2020 at 08:52:55AM +0300, Leon Romanovsky wrote:
> On Tue, Aug 11, 2020 at 02:14:57PM -0500, Bob Pearson wrote:
> > by copying to user space from the stack instead of slab cache.
> > This affects the rdma_rxe driver causing a warning once per boot.
> > The alternative is to ifigure out how to whitelist the xxx_qp struct
> 
> ifigure -> figure
> 
> > but this seems simple and clean.
> 
> 
> We have multiple cases like this in the code, what is the error exactly?
> And what is "hardened user copy"?
> 
> >
> 
> Signed-off-by is missing.

Can't take any patches without signed-off-by

Jason

      parent reply	other threads:[~2020-08-14 15:13 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-11 19:14 [PATCH 1/1] Address an issue with hardened user copy Bob Pearson
2020-08-12  5:52 ` Leon Romanovsky
2020-08-13 14:24   ` Bob Pearson
2020-08-14 15:13   ` Jason Gunthorpe [this message]

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