linux-kernel - Re: [PATCH 1/1] xen/gntdev: kmalloc structure gntdev_copy

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

Date:	Mon, 9 May 2016 07:25:59 +0200
From:	Juergen Gross <jgross@...e.com>
To:	Heinrich Schuchardt <xypron.glpk@....de>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	David Vrabel <david.vrabel@...rix.com>
Cc:	xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] xen/gntdev: kmalloc structure gntdev_copy_batch

On 07/05/16 10:17, Heinrich Schuchardt wrote:
> Commit a4cdb556cae0 ("xen/gntdev: add ioctl for grant copy")
> leads to a warning
> xen/gntdev.c: In function ‘gntdev_ioctl_grant_copy’:
> xen/gntdev.c:949:1: warning: the frame size of 1248 bytes
> is larger than 1024 bytes [-Wframe-larger-than=]
> 
> This can be avoided by using kmalloc instead of the stack.
> 
> Testing requires CONFIG_XEN_GNTDEV.
> 
> Fixes: a4cdb556cae0 ("xen/gntdev: add ioctl for grant copy")
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@....de>

Acked-by: Juergen Gross <jgross@...e.com>