netdev - Re: [PATCH 6/7] scsi: smartpqi: replace deprecated strncpy with strscpy

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: <202402231627.13E27D4@keescook>
Date: Fri, 23 Feb 2024 16:27:47 -0800
From: Kees Cook <keescook@...omium.org>
To: Justin Stitt <justinstitt@...gle.com>
Cc: Sathya Prakash Veerichetty <sathya.prakash@...adcom.com>,
	Kashyap Desai <kashyap.desai@...adcom.com>,
	Sumit Saxena <sumit.saxena@...adcom.com>,
	Sreekanth Reddy <sreekanth.reddy@...adcom.com>,
	"James E.J. Bottomley" <jejb@...ux.ibm.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Suganath Prabu Subramani <suganath-prabu.subramani@...adcom.com>,
	Ariel Elior <aelior@...vell.com>,
	Manish Chopra <manishc@...vell.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Saurav Kashyap <skashyap@...vell.com>,
	Javed Hasan <jhasan@...vell.com>,
	GR-QLogic-Storage-Upstream@...vell.com,
	Nilesh Javali <njavali@...vell.com>,
	Manish Rangankar <mrangankar@...vell.com>,
	Don Brace <don.brace@...rochip.com>,
	mpi3mr-linuxdrv.pdl@...adcom.com, linux-scsi@...r.kernel.org,
	linux-hardening@...r.kernel.org, linux-kernel@...r.kernel.org,
	MPT-FusionLinux.pdl@...adcom.com, netdev@...r.kernel.org,
	storagedev@...rochip.com
Subject: Re: [PATCH 6/7] scsi: smartpqi: replace deprecated strncpy with
 strscpy

On Fri, Feb 23, 2024 at 10:23:11PM +0000, Justin Stitt wrote:
> buffer->driver_version is sized 32:
> |	struct bmic_host_wellness_driver_version {
> |	...
> |		char	driver_version[32];
> ... the source string "Linux " + DRIVER_VERISON is sized at 16. There's
> really no bug in the existing code since the buffers are sized
> appropriately with great care taken to manually NUL-terminate the
> destination buffer. Nonetheless, let's make the swap over to strscpy()
> for robustness' (and readability's) sake.
> 
> Signed-off-by: Justin Stitt <justinstitt@...gle.com>

Yup, good cleanup.

Reviewed-by: Kees Cook <keescook@...omium.org>

-- 
Kees Cook