On Tue, 9 Feb 2021 10:22:00 +0300, Aleksandr Miloserdov wrote:
> SPC-5 (4.2.5.6 Allocation length) requires to terminate transfers to the
> Data In Buffer when the number of bytes or blocks specified by the
> ALLOCATION LENGTH field have been transferred or when all available data
> have been transferred, whichever is less.
>
> PERSISTENT RESERVE IN service actions in TCM don't follow the clause and
> return ALLOCATION LENGTH of data, even if actual number of data in reply
> is less (e.g. there are no reservation keys).
>
> [...]
Applied to 5.12/scsi-queue, thanks!
[1/2] scsi: target: core: Add cmd length set before cmd complete
https://git.kernel.org/mkp/scsi/c/1c73e0c5e54d
[2/2] scsi: target: core: Prevent underflow for service actions
https://git.kernel.org/mkp/scsi/c/14d24e2cc774
--
Martin K. Petersen Oracle Linux Engineering
