tree:   https://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k.git m68k-queue
head:   6b12625aca1ff016cef6e39975e6a59f23014b91
commit: 6b12625aca1ff016cef6e39975e6a59f23014b91 [6/6] fat: Use correct logical sector size for Atari GEMDOS FAT
config: riscv-randconfig-r013-20200615 (attached as .config)
compiler: riscv32-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
        git checkout 6b12625aca1ff016cef6e39975e6a59f23014b91
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv 

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

All warnings (new ones prefixed by >>, old ones prefixed by <<):

<< WARNING: modpost: vmlinux.o(__ex_table+0x1670): Section mismatch in reference from the (unknown reference) (unknown) to the variable .debug_str:.LASF366
>> WARNING: modpost: vmlinux.o(__ex_table+0x1670): Section mismatch in reference from the (unknown reference) (unknown) to the variable .debug_str:.LASF363
FATAL: modpost: The relocation at __ex_table+0x1670 references
section ".debug_str" which is not executable, IOW
it is not possible for the kernel to fault
at that address.  Something is seriously wrong
and should be fixed.

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