linux-kernel - Re: 答复: [PATCH v1] usb: gadget: u_serial: check Null pointer in EP callback

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Message-ID: <CAOf5uwmdf+Vxes6+BQyghbiKByVC_i1RhmTE81_iix99U7HMmA@mail.gmail.com>
Date: Mon, 19 Aug 2024 10:41:30 +0200
From: Michael Nazzareno Trimarchi <michael@...rulasolutions.com>
To: 胡连勤 <hulianqin@...o.com>
Cc: "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>, 
	"quic_prashk@...cinc.com" <quic_prashk@...cinc.com>, 
	"quic_jjohnson@...cinc.com" <quic_jjohnson@...cinc.com>, 
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>, 
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, 
	"opensource.kernel" <opensource.kernel@...o.com>, 
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>
Subject: Re: 答复: [PATCH v1] usb: gadget: u_serial: check Null pointer in EP callback

Hi

On Mon, Aug 19, 2024 at 10:26 AM 胡连勤 <hulianqin@...o.com> wrote:
>
> Hello linux community expert:
>
> >>I think this has been reported previously, and different patches have been proposed, have you searched the archives?
> > I haven't seen the patch given below before, I will read it carefully.
> > I searched for Linux mainline commits before submitting, but I only compared them according to the crash stack information and did not notice the following commit.
>  I checked the stack trace again. The problem we encountered seems different from the problem reported in the link below, and they are not caused by the same reason.
>

Did you apply the patch? as suggested, is the test moving from one
gadget to the other?

Michael


> >>Specifically, take a look at:
> >>https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.
> >>kernel.org%2Fr%2F20240116141801.396398-1-khtsai%40google.com&data=05%7C
> >>02%7Chulianqin%40vivo.com%7Ca4b06e9db7bb43ab1bfc08dcbe01a836%7C923e42dc
> >>48d54cbeb5821a797a6412ed%7C0%7C0%7C638594161566475032%7CUnknown%7CTWFpb
> >>GZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%
> >>3D%7C0%7C%7C%7C&sdata=pdb%2B1b1qB1q2%2BZN096D9jxNytfN7%2Fo50DPt6pq5m1RU
> >>%3D&reserved=0
>
> Thanks



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Michael Nazzareno Trimarchi
Co-Founder & Chief Executive Officer
M. +39 347 913 2170
michael@...rulasolutions.com
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