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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Shile Zhang <shile.zhang@linux.alibaba.com>
Cc: David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Wen Kang <kw01107137@alibaba-inc.com>,
	stable@vger.kernel.org,
	virtualization@lists.linux-foundation.org,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 5.10.y] drm/cirrus: fix a NULL vs IS_ERR() checks
Date: Mon, 25 Apr 2022 12:36:05 +0200	[thread overview]
Message-ID: <YmZ5lZMkjo3XlYdN@kroah.com> (raw)
In-Reply-To: <550e9439-adf6-3df8-41a0-9a7ee5447907@linux.alibaba.com>

On Sun, Apr 24, 2022 at 11:27:17AM +0800, Shile Zhang wrote:
> Hi David and Daniel,
> 
> Sorry but could you please help to check this issue?
> Due to the function 'drm_gem_shmem_vmap' could return ERROR pointers which
> will cause the kernel crash due to 'cirrus_fb_blit_rect' only check the
> pointer.
> 
> Since the related code has been refactoring in mainline, so this issue only
> happened in stable 5.10.y branch.
> 
> @Greg
> I think it is probably not realistic to backport the related refactoring
> from mainline directly, so I just give this bugfix patch only for 5.10.y
> branch.

I'm sorry, but I do not have "this bugfix" in my queue anymore,
considering it is so old.  Please rebase and resubmit.

thanks,

greg k-h

      reply	other threads:[~2022-04-25 10:36 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20211228132556.108711-1-shile.zhang@linux.alibaba.com>
     [not found] ` <YcsWcqVN7Dwue1I2@kroah.com>
     [not found]   ` <f4dedbfc-0cca-a6cb-996b-4bd928008269@linux.alibaba.com>
     [not found]     ` <YcsZqU8M11elHqg3@kroah.com>
     [not found]       ` <1cc25ebe-2c68-458b-15a2-fc4c80ba2054@linux.alibaba.com>
     [not found]         ` <Ycshhu6pXC4Pt1YK@kroah.com>
     [not found]           ` <c74d61a5-31dc-0946-5a35-e1a4cd549b6e@linux.alibaba.com>
     [not found]             ` <YcxjGDxgF+mA7vLY@kroah.com>
     [not found]               ` <ae3ebd93-e3c0-ec2e-24be-07241b558b5e@linux.alibaba.com>
2022-04-24  3:27                 ` Shile Zhang
2022-04-25 10:36                   ` Greg Kroah-Hartman [this message]

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