On Tue, 22 Jun 2021 11:40:37 +0800, Yufen Yu wrote:

We found that offline a sata device on hisi sas control and then
scanning the host can probe 255 not-existant devices into system.

[root@localhost ~]# lsscsi
  [2:0:0:0]    disk    ATA      Samsung SSD 860  2B6Q  /dev/sda
  [2:0:1:0]    disk    ATA      WDC WD2003FYYS-3 1D01  /dev/sdb
  [2:0:2:0]    disk    SEAGATE  ST600MM0006      B001  /dev/sdc

[...]

Applied to 5.14/scsi-queue, thanks!

[1/1] scsi: libsas: add lun number check in .slave_alloc callback
      https://git.kernel.org/mkp/scsi/c/49da96d77938

-- 
Martin K. Petersen	Oracle Linux Engineering