Re: [PATCH v2 2/4] gpio: cdev: use correct pointer accessors with SRCU

From: Bartosz Golaszewski
Date: Tue Feb 27 2024 - 11:44:46 EST


On Mon, Feb 26, 2024 at 3:28 PM kernel test robot <oliver.sang@xxxxxxxxx> wrote:
>
>
>
> Hello,
>
> kernel test robot noticed "BUG:unable_to_handle_page_fault_for_address" on:
>
> commit: ef4aabaa372144b2bfa9c4ddc83255831cff9ebd ("[PATCH v2 2/4] gpio: cdev: use correct pointer accessors with SRCU")
> url: https://github.com/intel-lab-lkp/linux/commits/Bartosz-Golaszewski/gpio-take-the-SRCU-read-lock-in-gpiod_hog/20240214-164752
> base: https://git.kernel.org/cgit/linux/kernel/git/brgl/linux.git gpio/for-next
> patch link: https://lore.kernel.org/all/20240214084419.6194-3-brgl@xxxxxxxx/
> patch subject: [PATCH v2 2/4] gpio: cdev: use correct pointer accessors with SRCU
>
> in testcase: boot
>
> compiler: clang-17
> test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
>
> (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