linux-kernel - Re: Please backport commit ae3419fbac84 ("vc_screen: don't clobber return value in vcs

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Message-ID: <Y/5Jlg3M/2KYtfzV@kroah.com>
Date:   Tue, 28 Feb 2023 19:36:06 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Thomas Weißschuh <linux@...ssschuh.net>
Cc:     stable@...r.kernel.org, Storm Dragon <stormdragon2976@...il.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-kernel@...r.kernel.org
Subject: Re: Please backport commit ae3419fbac84 ("vc_screen: don't clobber
 return value in vcs_read")

On Tue, Feb 28, 2023 at 03:42:12AM +0000, Thomas Weißschuh wrote:
> Hi,
> 
> please backport the following commit[0] to all stable releases that
> contain the commit
> 226fae124b2d ("vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF")
> 
> Commit 46d733d0efc7 ("vc_screen: modify vcs_size() handling in vcs_read()") [1]
> also tries to fix this commit but should not actually be necessary for a
> proper fix. It may make sense to also backport for consistency.

Now queued up, thanks.

greg k-h