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

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Date:   Thu, 13 May 2021 04:08:19 +0800
From:   kernel test robot <lkp@...el.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>
Subject: aarch64-linux-gnu-ld: Unexpected GOT/PLT entries detected!

Hi Kees,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   dbb5afad100a828c97e012c6106566d99f041db6
commit: be2881824ae9eb92a35b094f734f9ca7339ddf6d arm64/build: Assert for unwanted sections
date:   8 months ago
config: arm64-randconfig-r013-20210512 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project a0fed635fe1701470062495a6ffee1c608f3f1bc)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # 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=clang make.cross W=1 ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   aarch64-linux-gnu-ld: warning: -z norelro ignored
>> aarch64-linux-gnu-ld: Unexpected GOT/PLT entries detected!
>> aarch64-linux-gnu-ld: Unexpected run-time procedure linkages detected!
   aarch64-linux-gnu-ld: drivers/gpu/drm/rcar-du/rcar_du_crtc.o: in function `rcar_du_crtc_atomic_enable':
   rcar_du_crtc.c:(.text+0x1a5c): undefined reference to `rcar_lvds_clk_enable'
   aarch64-linux-gnu-ld: drivers/gpu/drm/rcar-du/rcar_du_crtc.o: in function `rcar_du_crtc_atomic_disable':
   rcar_du_crtc.c:(.text+0x1f78): undefined reference to `rcar_lvds_clk_disable'
   aarch64-linux-gnu-ld: drivers/gpu/drm/rcar-du/rcar_du_drv.o: in function `rcar_du_init':
   rcar_du_drv.c:(.init.text+0x18): undefined reference to `rcar_du_of_init'
   aarch64-linux-gnu-ld: drivers/gpu/drm/rcar-du/rcar_du_encoder.o: in function `rcar_du_encoder_init':
   rcar_du_encoder.c:(.text+0x230): undefined reference to `rcar_lvds_dual_link'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (39313 bytes)