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Date: Wed, 5 May 2021 09:19:44 -0700
From: Eric Biggers <ebiggers@...nel.org>
To: Anirudh Rayabharam <mail@...rudhrb.com>
Cc: Theodore Ts'o <tytso@....edu>,
Andreas Dilger <adilger.kernel@...ger.ca>,
gregkh@...uxfoundation.org,
linux-kernel-mentees@...ts.linuxfoundation.org,
syzbot+2dcfeaf8cb49b05e8f1a@...kaller.appspotmail.com,
linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ext4: fix kernel infoleak via ext4_extent_header
On Wed, May 05, 2021 at 07:00:10PM +0530, Anirudh Rayabharam wrote:
> Initialize eh_generation of struct ext4_extent_header to prevent leaking
> info to userspace. Fixes KMSAN kernel-infoleak bug reported by syzbot at:
> http://syzkaller.appspot.com/bug?id=78e9ad0e6952a3ca16e8234724b2fa92d041b9b8
>
> Reported-by: syzbot+2dcfeaf8cb49b05e8f1a@...kaller.appspotmail.com
> Signed-off-by: Anirudh Rayabharam <mail@...rudhrb.com>
Can you include a "Fixes:" tag?
- Eric
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