On Mon, 13 Dec 2021 18:10:48 +0800, John Garry wrote:

The driver supports a "direct" mode of operation, where the SMP req frame
is directly copied into the command payload (and vice-versa for the SMP
resp).

To get at the SMP req frame data in the scatterlist the driver uses
phys_to_virt() on the DMA mapped memory dma_addr_t . This is broken,
and subsequently crashes as follows when an IOMMU is enabled:

[...]

Applied to 5.16/scsi-fixes, thanks!

[1/1] scsi: pm8001: Fix phys_to_virt() usage on dma_addr_t
      https://git.kernel.org/mkp/scsi/c/2fe24343922e

-- 
Martin K. Petersen	Oracle Linux Engineering