Re: [PATCH v2] drm/omap: dsi: do not copy isr table

[Andreas Kemnade]

On Wed, 29 Jul 2026 11:23:21 +0300
Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx> wrote:

> Hi,
> 
> On 02/07/2026 18:27, Andreas Kemnade wrote:
> > To te able to unregister stuff from isrs, the corresponding table was
> > copied.  Nobody seems to unregister stuff that way, so it does not help.
> > But there are stack-allocated objects passed to these isrs giving chances
> > of UAF of these objects if irqs are unregistered while they are handled,
> > so better do not copy that table.
> > 
> > Fixes: 4ae2ddddf44cd ("OMAP: DSS2: DSI: Add ISR support")
> > Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
> > ---
> > If this gets backported, it should be re-checked that
> > no isr unregisters itself in older kernel versions`.
> > ---
> > Changes in v2:
> > - remove variable definition (Sashiko)
> > - Link to v1: https://patch.msgid.link/20260629-dsi-uaf-v1-1-a5e894f4e4d1@xxxxxxxxxxxx  
> 
> Looks good to me, applying to drm-misc-next.
> 
It seems not to be on linux-next. somehow this did fall through the cracks?

Regards,
Andreas