linux-kernel - Re: NULL pointer dereference in msi_set_mask

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Date:   Wed, 18 Jul 2018 22:05:44 +0200
From:   Paul Menzel <pmenzel+linux-pci@...gen.mpg.de>
To:     Thomas Gleixner <tglx@...utronix.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

Dear Thomas,


Am 18.07.2018 um 21:00 schrieb Thomas Gleixner:

> 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.

Sorry, I do not know what I did wrong. I’ll try it again tomorrow.


Kind regards,

Paul