From: Greg KH <gregkh@linuxfoundation.org>
To: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc: Shuah Khan <skhan@linuxfoundation.org>,
shuah@kernel.org, valentina.manea.m@gmail.com,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/6] usbip fixes to crashes found by syzbot
Date: Thu, 11 Mar 2021 13:57:39 +0100 [thread overview]
Message-ID: <YEoTw7CoK7Ob0YR+@kroah.com> (raw)
In-Reply-To: <5baf6b94-72c4-6e69-65a5-35c5cfb8ca0e@i-love.sakura.ne.jp>
On Thu, Mar 11, 2021 at 09:34:38PM +0900, Tetsuo Handa wrote:
> On 2021/03/11 3:33, Greg KH wrote:
> > On Sun, Mar 07, 2021 at 08:53:25PM -0700, Shuah Khan wrote:
> >> This patch series fixes the following problems founds in syzbot
> >> fuzzing.
> >
> > Thanks for these, all now queued up.
>
> I send SIGSTOP to
>
> [PATCH 4/6] usbip: fix stub_dev usbip_sockfd_store() races leading to gpf
> [PATCH 5/6] usbip: fix vhci_hcd attach_store() races leading to gpf
> [PATCH 6/6] usbip: fix vudc usbip_sockfd_store races leading to gpf
>
> because these patches merely converted NULL pointer dererefence bug to use-after-free bug
> by breaking kthread_get_run() into kthread_create()/get_task_struct()/wake_up_process().
I'll take follow-on patches to fix that other issue, if it's proven to
be valid. It's nice to fix up NULL dereference issues as soon as
possible :)
thanks,
greg k-h
next prev parent reply other threads:[~2021-03-11 12:58 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-08 3:53 [PATCH 0/6] usbip fixes to crashes found by syzbot Shuah Khan
2021-03-08 3:53 ` [PATCH 1/6] usbip: fix stub_dev to check for stream socket Shuah Khan
2021-03-08 3:53 ` [PATCH 2/6] usbip: fix vhci_hcd " Shuah Khan
2021-03-08 3:53 ` [PATCH 3/6] usbip: fix vudc " Shuah Khan
2021-03-08 3:53 ` [PATCH 4/6] usbip: fix stub_dev usbip_sockfd_store() races leading to gpf Shuah Khan
2021-03-08 7:35 ` Tetsuo Handa
2021-03-08 10:10 ` Tetsuo Handa
2021-03-08 16:27 ` Shuah Khan
2021-03-09 11:04 ` Tetsuo Handa
2021-03-09 13:56 ` Tetsuo Handa
2021-03-09 19:50 ` Shuah Khan
2021-03-09 23:40 ` Tetsuo Handa
2021-03-09 23:52 ` Shuah Khan
2021-03-10 0:03 ` Tetsuo Handa
2021-03-10 0:29 ` Shuah Khan
2021-03-10 1:02 ` Tetsuo Handa
2021-03-10 2:07 ` Shuah Khan
2021-03-10 10:38 ` Tetsuo Handa
2021-03-09 15:22 ` Shuah Khan
2021-03-08 3:53 ` [PATCH 5/6] usbip: fix vhci_hcd attach_store() " Shuah Khan
2021-03-08 3:53 ` [PATCH 6/6] usbip: fix vudc usbip_sockfd_store " Shuah Khan
2021-03-10 18:33 ` [PATCH 0/6] usbip fixes to crashes found by syzbot Greg KH
2021-03-11 12:34 ` Tetsuo Handa
2021-03-11 12:57 ` Greg KH [this message]
2021-03-11 13:24 ` Tetsuo Handa
2021-03-12 5:44 ` Tetsuo Handa
2021-03-13 0:48 ` Tetsuo Handa
2021-03-14 11:38 ` Tetsuo Handa
2021-03-17 6:21 ` Tetsuo Handa
2021-03-17 15:06 ` Shuah Khan
2021-03-17 15:38 ` Tetsuo Handa
2021-03-17 17:09 ` Shuah Khan
2021-03-18 13:13 ` Shuah Khan
2021-03-18 13:39 ` Tetsuo Handa
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