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

[Tomi Valkeinen]

Hi,

On 04/08/2026 11:49, Andreas Kemnade wrote:
> 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?
It did. I applied it to my local dim branch, then went looking for other 
omapdrm patches (the dsi one), which took a while and... yes, forgot to 
push...

Pushed now to drm-misc-next.

 Tomi