linux-kernel - Re: [PATCH] scsi: smartpqi: Replace kmalloc + copy_from_user with memdup

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <175917739956.3755404.5877755795289804707.b4-ty@oracle.com>
Date: Mon, 29 Sep 2025 22:36:51 -0400
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: Don Brace <don.brace@...rochip.com>,
        "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
        Thorsten Blum <thorsten.blum@...ux.dev>
Cc: "Martin K . Petersen" <martin.petersen@...cle.com>,
        storagedev@...rochip.com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scsi: smartpqi: Replace kmalloc + copy_from_user with memdup_user

On Mon, 22 Sep 2025 22:18:33 +0200, Thorsten Blum wrote:

> Replace kmalloc() followed by copy_from_user() with memdup_user() to
> simplify and improve pqi_passthru_ioctl().
> 
> Since memdup_user() already allocates memory, use kzalloc() in the else
> branch instead of manually zeroing 'kernel_buffer' using memset(0).
> 
> Return early if an error occurs.  No functional changes intended.
> 
> [...]

Applied to 6.18/scsi-queue, thanks!

[1/1] scsi: smartpqi: Replace kmalloc + copy_from_user with memdup_user
      https://git.kernel.org/mkp/scsi/c/0ac3c901fbeb

-- 
Martin K. Petersen