linux-kernel - Re: [PATCH] block: Fix wrong offset in bio

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Message-Id: <164268542304.61815.9970184633084359443.b4-ty@kernel.dk>
Date:   Thu, 20 Jan 2022 06:30:23 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
        linux-block@...r.kernel.org
Cc:     syzbot <syzbot+ac94ae5f68b84197f41c@...kaller.appspotmail.com>,
        glider@...gle.com, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [PATCH] block: Fix wrong offset in bio_truncate()

On Sun, 09 Jan 2022 18:36:43 +0900, OGAWA Hirofumi wrote:
> bio_truncate() clears the buffer outside of last block of bdev, however
> current bio_truncate() is using the wrong offset of page. So it can
> return the uninitialized data.
> 
> This happened when both of truncated/corrupted FS and userspace (via
> bdev) are trying to read the last of bdev.
> 
> [...]

Applied, thanks!

[1/1] block: Fix wrong offset in bio_truncate()
      commit: 3ee859e384d453d6ac68bfd5971f630d9fa46ad3

Best regards,
-- 
Jens Axboe