Re: [PATCH] ext4: fix kernel infoleak via ext4_extent_header
From: Anirudh Rayabharam <hidden>
Date: 2021-05-06 18:58:52
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linux-kernel-mentees, lkml
On Wed, May 05, 2021 at 09:19:44AM -0700, Eric Biggers wrote:
On Wed, May 05, 2021 at 07:00:10PM +0530, Anirudh Rayabharam wrote:quoted
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@syzkaller.appspotmail.com Signed-off-by: Anirudh Rayabharam <redacted>Can you include a "Fixes:" tag?
Sent v2! Thanks! - Anirudh.
- Eric