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From:   Alexander Potapenko <glider@google.com>
Date:   Thu, 11 May 2023 09:07:38 +0200
Message-ID: <CAG_fn=W2C0oX9LZ9=QJPr2GxorCwt1kW3sHNJkypF6aKpAYp9Q@mail.gmail.com>
Subject: Re: [syzbot] upstream boot error: KMSAN: uninit-value in unregister_blkdev
To:     syzbot <syzbot+a66467b3864e82f8559f@syzkaller.appspotmail.com>
Cc:     axboe@kernel.dk, linux-block@vger.kernel.org,
        linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
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On Thu, May 11, 2023 at 8:58=E2=80=AFAM syzbot
<syzbot+a66467b3864e82f8559f@syzkaller.appspotmail.com> wrote:
>
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit:    16a8829130ca nfs: fix another case of NULL/IS_ERR confusi=
o..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=3D17c0674c28000=
0
> kernel config:  https://syzkaller.appspot.com/x/.config?x=3Da7a1059074b7b=
dce
> dashboard link: https://syzkaller.appspot.com/bug?extid=3Da66467b3864e82f=
8559f
> compiler:       Debian clang version 15.0.7, GNU ld (GNU Binutils for Deb=
ian) 2.35.2

Sorry for the noise, I was trying to switch KMSAN bots to the upstream
tree (it is not ready yet, needs one more patch), and accidentally
sent this report to LKML. Please disregard it.