linux-kernel - Re: [PATCH 0/6] usbip fixes to crashes found by syzbot

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Message-ID: <21ec4c04-bc67-0542-1c81-aec27c0f7473@linuxfoundation.org>
Date:   Wed, 17 Mar 2021 11:09:25 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>, shuah@...nel.org
Cc:     valentina.manea.m@...il.com, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, Greg KH <gregkh@...uxfoundation.org>,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH 0/6] usbip fixes to crashes found by syzbot

On 3/17/21 9:38 AM, Tetsuo Handa wrote:
> 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.
> 

I acked it when it came in and it will be picked up.

thanks,
-- Shuah