linux-kernel - Re: [syzbot] KASAN: use-after-free Read in disk_part_iter

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Message-ID: <CACVXFVMf9n8bHP8ZTx74bBqoKRFHbPPLSBkvmdaV50xXwNKC1A@mail.gmail.com>
Date:   Fri, 26 Mar 2021 16:35:40 +0800
From:   Ming Lei <tom.leiming@...il.com>
To:     syzbot <syzbot+8fede7e30c7cee0de139@...kaller.appspotmail.com>
Cc:     Jens Axboe <axboe@...nel.dk>,
        linux-block <linux-block@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] KASAN: use-after-free Read in disk_part_iter_next (2)

On Sun, Mar 14, 2021 at 7:10 PM syzbot
<syzbot+8fede7e30c7cee0de139@...kaller.appspotmail.com> wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:    280d542f Merge tag 'drm-fixes-2021-03-05' of git://anongit..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=15ade5aed00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=952047a9dbff6a6a
> dashboard link: https://syzkaller.appspot.com/bug?extid=8fede7e30c7cee0de139

#syz test: https://github.com/ming1/linux.git v5.12-block-test