linux-kernel - Re: NULL pointer dereference in msi_set_mask

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Message-ID: <alpine.DEB.2.21.1807182058110.1689@nanos.tec.linutronix.de>
Date:   Wed, 18 Jul 2018 21:00:25 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Paul Menzel <pmenzel+linux-pci@...gen.mpg.de>
cc:     Bjorn Helgaas <helgaas@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, Marc Zyngier <marc.zyngier@....com>
Subject: Re: NULL pointer dereference in msi_set_mask_bit

Paul,

On Wed, 18 Jul 2018, Paul Menzel wrote:
> On 07/18/18 17:39, Thomas Gleixner wrote:
> > Bah. Could you please enable GENERIC_IRQ_DEBUGFS and after a successful
> > boot up provide me the content of all files in /sys/kernel/debug/irq/ and
> > its subfolders?
> 
> Sure, please find them attached. `7zr x sys-kernel-debug-irq.7z` should
> extract it.

It generates the files, but they are all size '1' and contain nothing.

Thanks,

	tglx