On Wed, 13 Oct 2021 19:16:06 +0200, Bodo Stroesser wrote:
> Tcmu populates the data area (used for communication with
> userspace) with pages that are allocated by calling
> alloc_page(GFP_NOIO).
> Therefore previous content of the allocated pages is exposed
> to user space. Avoid this by adding __GFP_ZERO flag.
>
> Zeroing the pages does (nearly) not affect tcmu throughput,
> because allocated pages are re-used for the data transfers of
> later SCSI cmds.
>
> [...]
Applied to 5.16/scsi-queue, thanks!
[1/1] scsi: target: tcmu: allocate zeroed pages for data area
https://git.kernel.org/mkp/scsi/c/1d2ac7b69d6a
--
Martin K. Petersen Oracle Linux Engineering
