Re: [PATCH 5.10.y 2/3] scsi: core: Fix scsi_mode_select() buffer length handling

[Sasha Levin <sashal@kernel.org>]

[ Sasha's backport helper bot ]

Hi,

The upstream commit SHA1 provided is correct: a7d6840bed0c2b16ac3071b74b5fcf08fc488241

WARNING: Author mismatch between patch and upstream commit:
Backport author: Vasiliy Kovalev <kovalev@altlinux.org>
Commit author: Damien Le Moal <damien.lemoal@wdc.com>


Status in newer kernel trees:
6.12.y | Present (exact SHA1)
6.6.y | Present (exact SHA1)
6.1.y | Present (exact SHA1)
5.15.y | Not found
5.10.y | Not found

Note: The patch differs from the upstream commit:
---
1:  a7d6840bed0c2 ! 1:  4826a9616670c scsi: core: Fix scsi_mode_select() buffer length handling
    @@ Metadata
      ## Commit message ##
         scsi: core: Fix scsi_mode_select() buffer length handling
     
    +    commit a7d6840bed0c2b16ac3071b74b5fcf08fc488241 upstream.
    +
         The MODE SELECT(6) command allows handling mode page buffers that are up to
         255 bytes, including the 4 byte header needed in front of the page
         buffer. For requests larger than this limit, automatically use the MODE
    @@ Commit message
         Link: https://lore.kernel.org/r/20210820070255.682775-3-damien.lemoal@wdc.com
         Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
         Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
    +    Signed-off-by: Vasiliy Kovalev <kovalev@altlinux.org>
     
      ## drivers/scsi/scsi_lib.c ##
     @@ drivers/scsi/scsi_lib.c: scsi_mode_select(struct scsi_device *sdev, int pf, int sp, int modepage,
---

Results of testing on various branches:

| Branch                    | Patch Apply | Build Test |
|---------------------------|-------------|------------|
| stable/linux-5.10.y       |  Success    |  Success   |