Re: [PATCH] ext4: fix kernel infoleak via ext4_extent_header

From: Eric Biggers
Date: Wed May 05 2021 - 12:19:50 EST


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@xxxxxxxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Anirudh Rayabharam <mail@xxxxxxxxxxxxx>

Can you include a "Fixes:" tag?

- Eric