Re: [4.4.y v2] ext4: avoid running out of journal credits when appending to an inline file

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On Thu, Oct 18, 2018 at 10:03 AM Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> On Thu, Oct 11, 2018 at 11:51:41AM -0700, Chenbo Feng wrote:
> > From: Theodore Ts'o <tytso@xxxxxxx>
> >
> > 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@xxxxxxx>
> > Cc: stable@xxxxxxxxxx
> > [fengc@xxxxxxxxxx: 4.4 and 4.9 backport: adjust context]
> > Signed-off-by: Chenbo Feng <fengc@xxxxxxxxxx>
>
> This also does not apply to the 4.4.y tree :(
>
That's weird, I will rebased and resend again, I didn't find any
conflict while rebasing though.
Sorry for the trouble and confusion caused.
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