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From: Bartosz Golaszewski <brgl@bgdev.pl>
To: Anders Roxell <anders.roxell@linaro.org>
Cc: Linus Walleij <linus.walleij@linaro.org>,
	Mika Westerberg <mika.westerberg@linux.intel.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Kent Gibson <warthog618@gmail.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	lkft-triage@lists.linaro.org,
	Linux-Next Mailing List <linux-next@vger.kernel.org>,
	Stephen Rothwell <sfr@canb.auug.org.au>
Subject: Re: [PATCH 0/3] gpiolib: generalize GPIO line names property
Date: Wed, 16 Sep 2020 15:29:58 +0200	[thread overview]
Message-ID: <CAMRc=MdNxxAHQK5i4rZo3d4iy5JNco-f0V-UzVNTTJQyH6AZpA@mail.gmail.com> (raw)
In-Reply-To: <CADYN=9+3kHG0CexzZiMQoXdF2piN2ZhOTObhY=7VCKrnFVN0Kw@mail.gmail.com>

On Tue, Sep 15, 2020 at 2:02 PM Anders Roxell <anders.roxell@linaro.org> wrote:
>
> On Tue, 8 Sep 2020 at 18:40, Bartosz Golaszewski <brgl@bgdev.pl> wrote:
> >
> > From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> >
> > I initially sent this as part of the gpio-mockup overhaul but since
> > these patches are indepentent and the work on gpio-mockup may become
> > more complicated - I'm sending these separately.
> >
> > The only change is adding additional property helpers to count strings
> > in array.
> >
> > Bartosz Golaszewski (3):
> >   device: property: add helpers to count items in string arrays
> >   gpiolib: generalize devprop_gpiochip_set_names() for device properties
> >   gpiolib: unexport devprop_gpiochip_set_names()
>
> I do an arm64 allmodconfig build fron linux-next (tag: next-20200915) and
> run that in qemu. When I run I see the following output (see full log [1]):
> "BUG: KASAN: null-ptr-deref in device_property_read_string_array".
>
>

FYI: this fails because someone passes a NULL struct device * to
dev_fwnode() - this is probably caused by some ordering issues in this
patch. I'm working on it.

Bartosz

      parent reply	other threads:[~2020-09-16 20:23 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-08 12:58 [PATCH 0/3] gpiolib: generalize GPIO line names property Bartosz Golaszewski
2020-09-08 12:58 ` [PATCH 1/3] device: property: add helpers to count items in string arrays Bartosz Golaszewski
2020-09-08 13:47   ` Andy Shevchenko
2020-09-08 12:58 ` [PATCH 2/3] gpiolib: generalize devprop_gpiochip_set_names() for device properties Bartosz Golaszewski
2020-09-08 12:58 ` [PATCH 3/3] gpiolib: unexport devprop_gpiochip_set_names() Bartosz Golaszewski
2020-09-08 13:49   ` Andy Shevchenko
2020-09-08 14:01     ` Bartosz Golaszewski
2020-09-15 12:01 ` [PATCH 0/3] gpiolib: generalize GPIO line names property Anders Roxell
2020-09-15 13:12   ` Andy Shevchenko
2020-09-15 13:16     ` Bartosz Golaszewski
2020-09-15 15:16       ` Andy Shevchenko
2020-09-15 13:16     ` Andy Shevchenko
2020-09-15 16:03       ` Bartosz Golaszewski
2020-09-16 13:29   ` Bartosz Golaszewski [this message]

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