Thread (3 messages) 3 messages, 2 authors, 2021-05-06

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

From: Anirudh Rayabharam <hidden>
Date: 2021-05-06 18:58:52
Also in: 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
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