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From: Dmitry Vyukov via Linux-kernel-mentees <linux-kernel-mentees@lists.linuxfoundation.org>
To: syzbot <syzbot+b8639c8dcb5ec4483d4f@syzkaller.appspotmail.com>
Cc: Jens Axboe <axboe@kernel.dk>,
	jean-philippe@linaro.org,
	Anant Thazhemadam <anant.thazhemadam@gmail.com>,
	jroedel@suse.de, Jan Kara <jack@suse.cz>,
	Saravana Kannan <saravanak@google.com>,
	Rafael Wysocki <rafael@kernel.org>,
	syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
	LKML <linux-kernel@vger.kernel.org>,
	hl1998@protonmail.com, linux-block <linux-block@vger.kernel.org>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	dragonjetli@gmail.com, Dan Williams <dan.j.williams@intel.com>,
	johannes.thumshirn@wdc.com,
	linux-kernel-mentees@lists.linuxfoundation.org,
	Christoph Hellwig <hch@lst.de>
Subject: Re: [Linux-kernel-mentees] KASAN: use-after-free Read in delete_partition
Date: Wed, 11 Nov 2020 12:13:07 +0100	[thread overview]
Message-ID: <CACT4Y+ba6jB8h1AptYx31AKsW=adXfgSyr1AdEEyqLmy=d6b9w@mail.gmail.com> (raw)
In-Reply-To: <0000000000008dab1205b1208fe6@google.com>

On Thu, Oct 8, 2020 at 5:38 AM syzbot
<syzbot+b8639c8dcb5ec4483d4f@syzkaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 08fc1ab6d748ab1a690fd483f41e2938984ce353
> Author: Christoph Hellwig <hch@lst.de>
> Date:   Tue Sep 1 09:59:41 2020 +0000
>
>     block: fix locking in bdev_del_partition
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1259b1e7900000
> start commit:   f75aef39 Linux 5.9-rc3
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=3c5f6ce8d5b68299
> dashboard link: https://syzkaller.appspot.com/bug?extid=b8639c8dcb5ec4483d4f
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15c43c79900000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=173dfa1e900000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: block: fix locking in bdev_del_partition
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

#syz fix: block: fix locking in bdev_del_partition
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      reply	other threads:[~2020-11-11 11:13 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <0000000000009323e705ae870d48@google.com>
2020-10-08  3:38 ` [Linux-kernel-mentees] KASAN: use-after-free Read in delete_partition syzbot
2020-11-11 11:13   ` Dmitry Vyukov via Linux-kernel-mentees [this message]

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