Re: aarch64-linux-ld: Unexpected GOT/PLT entries detected!

From: Kees Cook
Date: Wed Jun 02 2021 - 17:43:38 EST


On Sun, May 30, 2021 at 09:29:28AM +0800, kernel test robot wrote:
> Hi Kees,
>
> FYI, the error/warning still remains.
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: df8c66c4cfb91f2372d138b9b714f6df6f506966
> commit: be2881824ae9eb92a35b094f734f9ca7339ddf6d arm64/build: Assert for unwanted sections
> date: 9 months ago
> config: arm64-randconfig-r012-20210530 (attached as .config)
> compiler: aarch64-linux-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=be2881824ae9eb92a35b094f734f9ca7339ddf6d
> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> git fetch --no-tags linus master
> git checkout be2881824ae9eb92a35b094f734f9ca7339ddf6d
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
>
> All errors (new ones prefixed by >>):
>
> >> aarch64-linux-ld: Unexpected GOT/PLT entries detected!
> >> aarch64-linux-ld: Unexpected run-time procedure linkages detected!
> aarch64-linux-ld: drivers/gpu/drm/pl111/pl111_versatile.o: in function `pl111_versatile_init':
> (.text+0x270): undefined reference to `devm_regmap_init_vexpress_config'

When the other linker failures are fixed the GOT/PLT errors go away from
me. I'll send those patches separately...

--
Kees Cook