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Date: Thu, 11 Oct 2018 11:20:46 +0200
From: Greg KH <gregkh@linuxfoundation.org>
To: Chenbo Feng <fengc@google.com>
Cc: stable@vger.kernel.org, kernel-team@android.com,
        Theodore Ts'o <tytso@mit.edu>, stable@kernel.org
Subject: Re: [4.4.y 4.9.y 1/1] ext4: avoid running out of journal credits
 when appending to an inline file
Message-ID: <20181011092046.GD13455@kroah.com>
References: <20181011024221.17360-1-fengc@google.com>
 <20181011024221.17360-2-fengc@google.com>
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On Wed, Oct 10, 2018 at 07:42:21PM -0700, Chenbo Feng wrote:
> From: Theodore Ts'o <tytso@mit.edu>
> 
> commit 8bc1379b82b8e809eef77a9fedbb75c6c297be19 upstream.
> 
> Use a separate journal transaction if it turns out that we need to
> convert an inline file to use an data block.  Otherwise we could end
> up failing due to not having journal credits.
> 
> This addresses CVE-2018-10883.
> 
> https://bugzilla.kernel.org/show_bug.cgi?id=200071
> 
> Change-Id: Ifbe92e379f7a25fb252a2584356ccb91f902ea8f
> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
> Cc: stable@kernel.org
> [fengc@google.com: 4.4 and 4.9 backport: adjust context]
> Signed-off-by: Chenbo Feng <fengc@google.com>

This does not apply to my 4.4.y or 4.9.y tree :(

Can you please rebase and resend?

thanks,

greg k-h