lkml.org 
[lkml]   [2020]   [Dec]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] mfd: wm831x-auxadc: Prevent use after free in wm831x_auxadc_read_irq()
On Mon, Dec 14, 2020 at 02:59:10PM +0300, Dan Carpenter wrote:
> The "req" struct is always added to the "wm831x->auxadc_pending" list,
> but it's only removed from the list on the success path. If a failure
> occurs then the "req" struct is freed but it's still on the list,
> leading to a use after free.
>
> Fixes: 78bb3688ea18 ("mfd: Support multiple active WM831x AUXADC conversions")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> ---

Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>

Thanks,
Charles

\
 
 \ /
  Last update: 2020-12-14 14:50    [W:0.032 / U:0.236 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site