Re: KASAN: use-after-free Read in bdev_del_partition

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To: hdanton@xxxxxxxx, axboe@xxxxxxxxx, hch@xxxxxx, jack@xxxxxxx, johannes.thumshirn@xxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, syzkaller-bugs@xxxxxxxxxxxxxxxx
Subject: Re: KASAN: use-after-free Read in bdev_del_partition
From: Peilin Ye <yepeilin.cs@xxxxxxxxx>
Date: Wed, 2 Sep 2020 05:31:43 -0400
In-reply-to: <000000000000520ffc05ae2f4fee@google.com>
References: <000000000000520ffc05ae2f4fee@google.com>

Hi all,

I have sent a patch which reverts cddae808aeb7 ("block: pass a
hd_struct to delete_partition") to syzbot, and it is now pending for
testing:

Link: https://groups.google.com/g/syzkaller-bugs/c/fnk0t9aqhDw/m/FO46-S8XAgAJ

Thank you,
Peilin Ye

References:
- KASAN: use-after-free Read in bdev_del_partition
  - From: syzbot

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