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From: Helge Deller <deller@gmx.de>
To: Andreas Kemnade <andreas@kemnade.info>
Cc: linux-omap@vger.kernel.org, linux-fbdev@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	sashiko-bot@kernel.org
Subject: Re: [PATCH] fb: omap2: dsi: do not copy isr table
Date: Sat, 18 Jul 2026 20:51:11 +0200	[thread overview]
Message-ID: <44f66ed1-7dd8-4cf5-b1fa-28372f3abf18@gmx.de> (raw)
In-Reply-To: <20260702-fbomap-uaf-fix-v1-1-6417edf9d3e7@kemnade.info>

On 7/2/26 17:50, 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.
> 
> Suggested-by: sashiko-bot@kernel.org
> Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
> ---
> Fix for drm variant fo driver:
> https://lore.kernel.org/lkml/20260702-dsi-uaf-v2-1-dbb4aa0f0b8e@kemnade.info/
> ---
>   drivers/video/fbdev/omap2/omapfb/dss/dsi.c | 9 +--------
>   1 file changed, 1 insertion(+), 8 deletions(-)

applied.

Thanks!
Helge

      parent reply	other threads:[~2026-07-18 18:51 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-02 15:50 [PATCH] fb: omap2: dsi: do not copy isr table Andreas Kemnade
     [not found] ` <20260702160541.340B11F000E9@smtp.kernel.org>
2026-07-07 12:32   ` Andreas Kemnade
2026-07-18 18:51 ` Helge Deller [this message]

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