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From: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
To: Shuah Khan <skhan@linuxfoundation.org>, shuah@kernel.org
Cc: valentina.manea.m@gmail.com, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Greg KH <gregkh@linuxfoundation.org>
Subject: Re: [PATCH 0/6] usbip fixes to crashes found by syzbot
Date: Thu, 18 Mar 2021 00:38:51 +0900	[thread overview]
Message-ID: <c4172173-3e54-4b09-303d-9c368b2b49c4@i-love.sakura.ne.jp> (raw)
In-Reply-To: <fbf64c33-87c3-137c-4faf-66de651243fc@linuxfoundation.org>

On 2021/03/18 0:06, Shuah Khan wrote:
> Yes. I haven't sent the patch for that reason. I am trying to test a
> solution. I haven't come up with a solution yet.
> 
> Holding event_lock isn't the right solution. I am not going to accept
> that. This is a window that gets triggered by syzbot injecting errors
> in a sequence. Fixing this should be done taking other moving parts of
> the driver into account.

What is event_lock ? I questioned you what the event_lock is at
https://lkml.kernel.org/r/3dab66dc-2981-bc88-a370-4b3178dfd390@i-love.sakura.ne.jp ,
but you haven't responded to that post.

Also, you need to send https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux.git/commit/?h=usbip_test&id=f345de0d2e51a20a2a1c30fc22fa1527670d2095
because Greg already sent this regression into upstream and stable kernels.


  reply	other threads:[~2021-03-17 15:49 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
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 [this message]
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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