From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: "yiyang (D)" <yiyang13@huawei.com>
Cc: Jiri Slaby <jirislaby@kernel.org>,
hedonistsmith@gmail.com, daniel.starke@siemens.com,
linux-serial <linux-serial@vger.kernel.org>
Subject: Re: BUG: sleeping function called from invalid context in console_lock
Date: Wed, 27 Sep 2023 11:41:24 +0200 [thread overview]
Message-ID: <2023092756-santa-levitate-ac6a@gregkh> (raw)
In-Reply-To: <943e34ff-5412-ee88-2b18-1e5b1e198b71@huawei.com>
On Wed, Sep 27, 2023 at 05:15:25PM +0800, yiyang (D) wrote:
> On 2023/9/18 23:19, Greg Kroah-Hartman wrote:
> > On Mon, Sep 18, 2023 at 09:35:23PM +0800, yiyang (D) wrote:
> > > In recent years, this problem has been reported in syzkaller all the time.
> > >
> > > Link: https://syzkaller.appspot.com/bug?extid=dbac96d8e73b61aa559c
> > >
> > > Historically, the developers have tried to fix this problem by use mutex
> > > instead spinlock, but it didn't solve the problem..
> > >
> > > Link: https://lore.kernel.org/all/20220826193545.20363-1-pchelkin@ispras.ru/
> > >
> > > Other developers have recently reported this problem, but no one has
> > > continued to try to fix it.
> > >
> > > Link:
> > > https://lore.kernel.org/all/20230420082153.6711-1-daniel.starke@siemens.com/
> > >
> > > Anyway, do we have any ideas for solving this problem?
> >
> > Nope! Why do you think this is something that even needs to be
> > addressed?
> > .
> >
> This problem seems to be a CVE problem.
> https://nvd.nist.gov/vuln/detail/CVE-2023-31082
If you think CVEs are actually valid for the kernel (hint, they aren't),
then wonderful, please work to resolve this issue.
Again, good luck!
greg k-h
prev parent reply other threads:[~2023-09-27 9:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <42c2c0c4-9ee2-6426-8c3c-2585e0345fcb@huawei.com>
2023-09-18 13:35 ` BUG: sleeping function called from invalid context in console_lock yiyang (D)
2023-09-18 15:19 ` Greg Kroah-Hartman
2023-09-27 7:48 ` yiyang (D)
2023-09-27 8:24 ` Greg Kroah-Hartman
2023-09-27 9:15 ` yiyang (D)
2023-09-27 9:41 ` Greg Kroah-Hartman [this message]
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