lkml.org 
[lkml]   [2018]   [Jan]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH] Fixing arbitrary kernel leak in case FBIOGETCMAP_SPARC in sbusfb_ioctl_helper().
Hi Peter,

On Tue, Jan 30, 2018 at 9:30 PM, Peter Malone <peter.malone@gmail.com> wrote:
> Signed-off-by: Peter Malone <peter.malone@gmail.com>

AFAIK empty commit message is not acceptable upstream

> drivers/video/fbdev/sbuslib.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/video/fbdev/sbuslib.c b/drivers/video/fbdev/sbuslib.c
> index af6fc97f4ba4..a436d44f1b7f 100644
> --- a/drivers/video/fbdev/sbuslib.c
> +++ b/drivers/video/fbdev/sbuslib.c
> @@ -122,7 +122,7 @@ int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,
> unsigned char __user *ured;
> unsigned char __user *ugreen;
> unsigned char __user *ublue;
> - int index, count, i;
> + unsigned int index, count, i;
>
> if (get_user(index, &c->index) ||
> __get_user(count, &c->count) ||
> @@ -161,7 +161,7 @@ int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,
> unsigned char __user *ugreen;
> unsigned char __user *ublue;
> struct fb_cmap *cmap = &info->cmap;
> - int index, count, i;
> + unsigned int index, count, i;
> u8 red, green, blue;
>
> if (get_user(index, &c->index) ||
> --
> 2.14.3
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html

\
 
 \ /
  Last update: 2018-01-31 09:34    [W:0.021 / U:0.036 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site