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Date: Thu, 26 Sep 2024 14:25:11 +0200
From: Greg KH <gregkh@linuxfoundation.org>
To: Hubert =?utf-8?Q?Buczy=C5=84ski?= <hubert.buczynski94@gmail.com>
Cc: Prashanth K <quic_prashk@quicinc.com>, balbi@kernel.org,
	linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
	"hubert.buczynski" <Hubert.Buczynski.ext@feig.de>
Subject: Re: [PATCH] usb: gadget: u_serial: fix null-ptr-deref in gs_start_io
Message-ID: <2024092656-retorted-shelter-e7b1@gregkh>
References: <20240926064910.17429-1-hubert.buczynski94@gmail.com>
 <47689c2e-505e-461c-88dd-d178a7fdd087@quicinc.com>
 <CAJUMw3uOsSQfiPfn8iW-+TkbcsN21fpM0WNp_xy-6QJPktf4sg@mail.gmail.com>
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On Thu, Sep 26, 2024 at 01:17:53PM +0200, Hubert Buczyński wrote:
> > Commit ffd603f21423 ("usb: gadget: u_serial: Add null pointer check in
> > gs_start_io") fixed this issue. Please try adding it into your builds.
> >
> > Regards,
> > Prashanth K
> 
> Thanks for the quick response. Indeed, the commit ffd603f21423
> ("usb: gadget: u_serial: Add null pointer check in gs_start_io")
> solves the problem. Sorry for not checking the newest version.
> 
> I wonder whether it should also be applied to the LTS v5.15.167.
> The bug is still present there.

Then submit it for inclusion as per the stable kernel rules!

thanks,

greg k-h