On Tue, Jul 31, 2018 at 12:51:54PM -0700, Kees Cook wrote:
> To avoid introducing problems like those fixed in commit f7068114d45e
> ("sr: pass down correctly sized SCSI sense buffer"), this creates a macro
> wrapper for scsi_execute() that verifies the size of the sense buffer
> similar to what was done for command string sizes in commit 3756f6401c30
> ("exec: avoid gcc-8 warning for get_task_comm").
>
> Another solution could be to add a length argument to scsi_execute(),
> but this function already takes a lot of arguments and Jens was not fond
> of that approach.
>
> Additionally, this moves the SCSI_SENSE_BUFFERSIZE definition into
> scsi_device.h, and removes a redundant include for scsi_device.h from
> scsi_cmnd.h.
>
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Looks good,
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
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