linux-kernel - Re: [PATCHv2] scsi: Fix get_user() in call sg_scsi

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Date:   Thu,  1 Dec 2022 03:45:20 +0000
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        linux-scsi@...r.kernel.org, jejb@...ux.ibm.com
Cc:     "Martin K . Petersen" <martin.petersen@...cle.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, David.Laight@...LAB.COM,
        dave.hansen@...ux.intel.com
Subject: Re: [PATCHv2] scsi: Fix get_user() in call sg_scsi_ioctl()

On Fri, 18 Nov 2022 02:23:04 +0300, Kirill A. Shutemov wrote:

> get_user() expects the pointer to be pointer-to-simple-variable type,
> but sic->data is array of 'unsigned char'. It violates get_user()
> contracts.
> 
> Explicitly take pointer to the first element of the array. It matches
> current behaviour.
> 
> [...]

Applied to 6.2/scsi-queue, thanks!

[1/1] scsi: Fix get_user() in call sg_scsi_ioctl()
      https://git.kernel.org/mkp/scsi/c/4e80eef45ad7

-- 
Martin K. Petersen	Oracle Linux Engineering