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Date:   Wed, 27 Feb 2019 21:46:02 -0800 (PST)
From:   David Miller <>
Subject: Re: [PATCH] netlabel: fix out-of-bounds memory accesses

From: Paul Moore <>
Date: Mon, 25 Feb 2019 19:06:06 -0500

> There are two array out-of-bounds memory accesses, one in
> cipso_v4_map_lvl_valid(), the other in netlbl_bitmap_walk().  Both
> errors are embarassingly simple, and the fixes are straightforward.
> As a FYI for anyone backporting this patch to kernels prior to v4.8,
> you'll want to apply the netlbl_bitmap_walk() patch to
> cipso_v4_bitmap_walk() as netlbl_bitmap_walk() doesn't exist before
> Linux v4.8.
> Reported-by: Jann Horn <>
> Fixes: 446fda4f2682 ("[NetLabel]: CIPSOv4 engine")
> Fixes: 3faa8f982f95 ("netlabel: Move bitmap manipulation functions to the NetLabel core.")
> Signed-off-by: Paul Moore <>

Applied, thanks Paul.

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