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

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Date: Mon, 4 Mar 2024 17:52:15 +0100
From: Francesco Dolcini <francesco@...cini.it>
To: Francesco Dolcini <francesco@...cini.it>,
	Luiz Augusto von Dentz <luiz.dentz@...il.com>,
	Luiz Augusto von Dentz <luiz.von.dentz@...el.com>
Cc: 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 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?

Let me know how I can help,

Thanks,
Francesco