From: Jason Gunthorpe <jgg@nvidia.com>
To: "Tian, Kevin" <kevin.tian@intel.com>
Cc: "iommu@lists.linux.dev" <iommu@lists.linux.dev>,
Nicolin Chen <nicolinc@nvidia.com>,
"patches@lists.linux.dev" <patches@lists.linux.dev>,
"Liu, Yi L" <yi.l.liu@intel.com>
Subject: Re: [PATCH] iommufd: Reject non-zero data_type if no data_len is provided
Date: Wed, 21 Feb 2024 09:33:47 -0400 [thread overview]
Message-ID: <20240221133347.GT13330@nvidia.com> (raw)
In-Reply-To: <BN9PR11MB5276C5091996B828101A78AF8C572@BN9PR11MB5276.namprd11.prod.outlook.com>
On Wed, Feb 21, 2024 at 07:11:45AM +0000, Tian, Kevin wrote:
> > From: Jason Gunthorpe <jgg@nvidia.com>
> > Sent: Wednesday, February 21, 2024 2:44 AM
> >
> > Since the current design doesn't forward the data_type to the driver to
> > check unless there is a data_len/uptr for a driver specific struct we
> > should check and ensure that data_type is 0 if data_len is 0. Otherwise
> > any value is permitted.
> >
> > Fixes: bd529dbb661d ("iommufd: Add a nested HW pagetable object")
> > Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
>
> Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Applied to for-rc
Jason
prev parent reply other threads:[~2024-02-21 13:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-20 18:43 [PATCH] iommufd: Reject non-zero data_type if no data_len is provided Jason Gunthorpe
2024-02-21 7:11 ` Tian, Kevin
2024-02-21 13:33 ` Jason Gunthorpe [this message]
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