On Wed, Jan 10, 2018 at 06:37:11PM +0000, Jean-Philippe Brucker wrote:
> commit 57d72e159b60456c8bb281736c02ddd3164037aa upstream.
>
> Kasan reports a double free when finalise_stage_fn fails: the io_pgtable
> ops are freed by arm_smmu_domain_finalise and then again by
> arm_smmu_domain_free. Prevent this by leaving pgtbl_ops empty on failure.
>
> Fixes: 48ec83bcbcf5 ("iommu/arm-smmu: Add initial driver support for ARM SMMUv3 devices")
> Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@xxxxxxx>
> ---
>
> The whitespaces got corrupted last time, sorry about that. Let's hope
> this one works.
It worked, thanks, now queued up.
greg k-h