linux-kernel - Re: [PATCH 5.10 0/1] vdec_vp9_if: add check for NULL for vsi->frm_bufs[vsi->new_fb_idx].buf.fb in vp9_swap_frm

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Date:   Fri, 28 Oct 2022 12:34:34 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Anastasia Belova <abelova@...ralinux.ru>
Cc:     Tiffany Lin <tiffany.lin@...iatek.com>,
        Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-media@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        lvc-project@...uxtesting.org
Subject: Re: [PATCH 5.10 0/1] vdec_vp9_if: add check for NULL for
 vsi->frm_bufs[vsi->new_fb_idx].buf.fb in vp9_swap_frm_bufs

On Fri, Oct 28, 2022 at 01:05:38PM +0300, Anastasia Belova wrote:
> Null-pointer dereference was found with static analysis tools 
> in version 5.10. Seems this file doesn't exist since 5.18.
> This file was moved to 
>     /drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c.
> Maybe it is necessary to create another patch for these updates.

Fix this in Linus's tree first, and then worry about any potential need
for stable backports.

thanks,

greg k-h