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References: <20240214084419.6194-3-brgl@bgdev.pl> <202402262225.50983057-lkp@intel.com>
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From: Bartosz Golaszewski <brgl@bgdev.pl>
Date: Tue, 27 Feb 2024 17:44:00 +0100
Message-ID: <CAMRc=Me=sfoimct+YHhhq+1vSY8eb7vNdvON4zibx3a6EhnzJg@mail.gmail.com>
Subject: Re: [PATCH v2 2/4] gpio: cdev: use correct pointer accessors with SRCU
To: kernel test robot <oliver.sang@intel.com>
Cc: oe-lkp@lists.linux.dev, lkp@intel.com, 
	Linus Walleij <linus.walleij@linaro.org>, linux-gpio@vger.kernel.org, 
	Kent Gibson <warthog618@gmail.com>, Alex Elder <elder@linaro.org>, 
	Geert Uytterhoeven <geert+renesas@glider.be>, "Paul E . McKenney" <paulmck@kernel.org>, 
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>, Wolfram Sang <wsa@the-dreams.de>, 
	Mark Brown <broonie@kernel.org>, Dan Carpenter <dan.carpenter@linaro.org>, 
	linux-kernel@vger.kernel.org, 
	Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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On Mon, Feb 26, 2024 at 3:28=E2=80=AFPM kernel test robot <oliver.sang@inte=
l.com> wrote:
>
>
>
> Hello,
>
> kernel test robot noticed "BUG:unable_to_handle_page_fault_for_address" o=
n:
>
> commit: ef4aabaa372144b2bfa9c4ddc83255831cff9ebd ("[PATCH v2 2/4] gpio: c=
dev: use correct pointer accessors with SRCU")
> url: https://github.com/intel-lab-lkp/linux/commits/Bartosz-Golaszewski/g=
pio-take-the-SRCU-read-lock-in-gpiod_hog/20240214-164752
> base: https://git.kernel.org/cgit/linux/kernel/git/brgl/linux.git gpio/fo=
r-next
> patch link: https://lore.kernel.org/all/20240214084419.6194-3-brgl@bgdev.=
pl/
> patch subject: [PATCH v2 2/4] gpio: cdev: use correct pointer accessors w=
ith SRCU
>
> in testcase: boot
>
> compiler: clang-17
> test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 1=
6G
>
> (please refer to attached dmesg/kmsg for entire log/backtrace)
>

Please disregard this one, the issue is fixed in patch 3/4 which is
already in next.

Bart