linux-kernel - Re: [PATCH] checkpatch: add warning on %pk instead of %pK usage

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Message-ID: <1486767569.2192.31.camel@perches.com>
Date:   Fri, 10 Feb 2017 14:59:29 -0800
From:   Joe Perches <joe@...ches.com>
To:     "Roberts, William C" <william.c.roberts@...el.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "apw@...onical.com" <apw@...onical.com>,
        Andew Morton <akpm@...ux-foundation.org>
Cc:     "keescook@...omium.org" <keescook@...omium.org>,
        "kernel-hardening@...ts.openwall.com" 
        <kernel-hardening@...ts.openwall.com>
Subject: Re: [PATCH] checkpatch: add warning on %pk instead of %pK usage

On Fri, 2017-02-10 at 14:49 -0800, Joe Perches wrote:
> On Fri, 2017-02-10 at 22:26 +0000, Roberts, William C wrote:
> > <snip>
> > 
> > > > 
> > > > On Fri, 2017-02-10 at 11:37 -0800, william.c.roberts@...el.com wrote:
> > > > > From: William Roberts <william.c.roberts@...el.com>
> > > > > 
> > > > > Sample output:
> > > > > WARNING: %pk is close to %pK, did you mean %pK?.
> > > > > \#20: FILE: drivers/char/applicom.c:230:
> > > > > +			printk(KERN_INFO "Could not allocate IRQ %d for PCI
> > > > 
> > > > Applicom
> > > > > +device. %pk\n", dev->irq, pci_get_class);
> > > > 
> > > > There isn't a single instance of this in the kernel tree.

Just in case anyone else wondered why this came up.

https://googleprojectzero.blogspot.com/2017/02/lifting-hyper-visor-bypassing-samsungs.html