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Date: Wed, 3 Mar 2021 00:58:38 +0000 (GMT)
From: Phillip Lougher <phillip@...ashfs.org.uk>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Squashfs: fix xattr id and id lookup sanity checks
> On 03/03/2021 00:34 Andrew Morton <akpm@...ux-foundation.org> wrote:
>
>
> On Mon, 1 Mar 2021 07:27:57 +0000 (GMT) Phillip Lougher <phillip@...ashfs.org.uk> wrote:
>
> > The checks for maximum metadata block size is
> > missing SQUASHFS_BLOCK_OFFSET (the two byte length
> > count).
>
> What are the user visible consequences of this bug?
The user will be unable to mount the filesystem, because it will
fail the sanity check.
>
> > Cc: stable@...r.kernel.org
> > Signed-off-by: Phillip Lougher <phillip@...ashfs.org.uk>
>
> Fixes: f37aa4c7366e23f ("squashfs: add more sanity checks in id lookup")
>
> yes?
Yes.
Phillip
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