From: "Michael S. Tsirkin" <mst@redhat.com>
To: Jason Wang <jasowang@redhat.com>
Cc: syzbot <syzbot+5b59d6d459306a556f54@syzkaller.appspotmail.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
linux-crypto@vger.kernel.org,
linux-kernel <linux-kernel@vger.kernel.org>,
linux@dominikbrodowski.net, mpm@selenic.com,
syzkaller-bugs@googlegroups.com,
Xuan Zhuo <xuanzhuo@linux.alibaba.com>,
yuehaibing@huawei.com
Subject: Re: [syzbot] INFO: task hung in add_early_randomness (2)
Date: Tue, 7 Jun 2022 06:35:26 -0400 [thread overview]
Message-ID: <20220607063454-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <CACGkMEvCmtmfBSDeq1psgW4+MTymfs_T-EFQx=2UdXfy1vWDiw@mail.gmail.com>
On Tue, Jun 07, 2022 at 05:05:41PM +0800, Jason Wang wrote:
> On Tue, Jun 7, 2022 at 3:30 PM syzbot
> <syzbot+5b59d6d459306a556f54@syzkaller.appspotmail.com> wrote:
> >
> > syzbot has bisected this issue to:
> >
> > commit 8b4ec69d7e098a7ddf832e1e7840de53ed474c77
> > Author: Jason Wang <jasowang@redhat.com>
> > Date: Fri May 27 06:01:19 2022 +0000
> >
> > virtio: harden vring IRQ
> >
> > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1175c3c7f00000
> > start commit: f2906aa86338 Linux 5.19-rc1
> > git tree: upstream
> > final oops: https://syzkaller.appspot.com/x/report.txt?x=1375c3c7f00000
> > console output: https://syzkaller.appspot.com/x/log.txt?x=1575c3c7f00000
> > kernel config: https://syzkaller.appspot.com/x/.config?x=cbd131cc02ee620e
> > dashboard link: https://syzkaller.appspot.com/bug?extid=5b59d6d459306a556f54
> > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=104f4d4ff00000
> > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14d6782df00000
> >
> > Reported-by: syzbot+5b59d6d459306a556f54@syzkaller.appspotmail.com
> > Fixes: 8b4ec69d7e09 ("virtio: harden vring IRQ")
> >
> > For information about bisection process see: https://goo.gl/tpsmEJ#bisection
> >
>
> I wonder if it's related to shared IRQ.
>
> Want to know if the attached patch works.
>
> Thanks
syzbot will test it for you if you ask it nicely.
See e.g.
https://lore.kernel.org/r/20220221054115.1270-1-hdanton%40sina.com
for an example of how to do it.
--
MST
next prev parent reply other threads:[~2022-06-07 10:35 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-03 6:49 [syzbot] INFO: task hung in add_early_randomness (2) syzbot
2022-06-07 1:50 ` syzbot
2022-06-07 7:30 ` syzbot
2022-06-07 9:05 ` Jason Wang
2022-06-07 10:35 ` Michael S. Tsirkin [this message]
2022-06-07 10:53 ` Michael S. Tsirkin
2022-06-08 1:19 ` Jason Wang
2022-06-08 1:37 ` syzbot
2022-06-08 2:35 ` Jason Wang
2022-06-08 2:37 ` syzbot
2022-06-08 2:50 ` Jason Wang
2022-06-08 2:51 ` syzbot
2022-06-08 2:56 ` Jason Wang
2022-06-08 3:15 ` syzbot
2022-06-08 6:07 ` Jason Wang
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