Re: [PATCH 1/1] iommu/vt-d: Fix NULL pointer dereference in dev_iommu_priv_set()

[Torsten Hilbrich]

On 03.09.20 08:51, Lu Baolu wrote:
> The dev_iommu_priv_set() must be called after probe_device(). This fixes
> a NULL pointer deference bug when booting a system with kernel cmdline
> "intel_iommu=on,igfx_off", where the dev_iommu_priv_set() is abused.
[...]

> 
> Fixes: 01b9d4e21148c ("iommu/vt-d: Use dev_iommu_priv_get/set()")
> Reported-by: Torsten Hilbrich <torsten.hilbrich@xxxxxxxxxxx>
> Reported-by: Wendy Wang <wendy.wang@xxxxxxxxx>
> Link: https://lore.kernel.org/linux-iommu/96717683-70be-7388-3d2f-61131070a96a@xxxxxxxxxxx/
> Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>

Tested-by: Torsten Hilbrich <torsten.hilbrich@xxxxxxxxxxx>

Regards,

	Torsten