linux-kernel - Re: [PATCH v1 1/2] Bluetooth: btnxpuart: Fix btnxpuart

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Message-ID: <CABBYNZLaWadMieheoUV=XVXfBmJGsU4L_+k+MuNiP_oCsvrVnQ@mail.gmail.com>
Date: Mon, 4 Mar 2024 12:34:24 -0500
From: Luiz Augusto von Dentz <luiz.dentz@...il.com>
To: Francesco Dolcini <francesco@...cini.it>
Cc: Luiz Augusto von Dentz <luiz.von.dentz@...el.com>, linux-bluetooth@...r.kernel.org, 
	Sherry Sun <sherry.sun@....com>, Johan Hedberg <johan.hedberg@...il.com>, 
	Neeraj Sanjay Kale <neeraj.sanjaykale@....com>, linux-kernel@...r.kernel.org, 
	Marcel Holtmann <marcel@...tmann.org>, Marcel Ziswiler <marcel.ziswiler@...adex.com>, 
	Amitkumar Karwar <amitkumar.karwar@....com>, Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>, 
	Marcel Ziswiler <marcel@...wiler.com>
Subject: Re: [PATCH v1 1/2] Bluetooth: btnxpuart: Fix btnxpuart_close

Hi Francesco,

On Mon, Mar 4, 2024 at 11:52 AM Francesco Dolcini <francesco@...cini.it> wrote:
>
> Hi Luiz,
>
> On Fri, Nov 24, 2023 at 09:26:11PM +0100, Francesco Dolcini wrote:
> > On Wed, Oct 18, 2023 at 04:55:39PM +0200, Marcel Ziswiler wrote:
> > > From: Marcel Ziswiler <marcel.ziswiler@...adex.com>
> > >
> > > Unfortunately, btnxpuart_close() may trigger a BUG: scheduling while
> > > atomic. Fix this by properly purging the transmit queue and freeing the
> > > receive skb.
> > >
> > > Fixes: 689ca16e5232 ("Bluetooth: NXP: Add protocol support for NXP Bluetooth chipsets")
> > >
> > > Signed-off-by: Marcel Ziswiler <marcel.ziswiler@...adex.com>
> > > ---
> > > This is the kernel trace this commit fixes:
> > > [   29.270685] BUG: scheduling while atomic: kworker/u3:0/55/0x00000002
> >
> > I just hit this bug with 6.7-rc2, I think it would be worth to
> > apply this fix.
>
> Do you need any change for having this patch (1/2) applied? Do you want this
> to be re-sent without the second patch (2/2) from this series that is
> maybe more controversial?

Yes please just resend it.

> Let me know how I can help,
>
> Thanks,
> Francesco
>


-- 
Luiz Augusto von Dentz