CC: linux-kernel(a)vger.kernel.org
TO: Kees Cook <keescook(a)chromium.org>
CC: Andrew Morton <akpm(a)linux-foundation.org>
CC: Linux Memory Management List <linux-mm(a)kvack.org>
CC: Andrey Ryabinin <aryabinin(a)virtuozzo.com>
tree:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 1b5044021070efa3259f3e9548dc35d1eb6aa844
commit: 277a10850f9f4cb3429faf59293e2c89b1a320be ubsan: split "bounds" checker
from other options
date: 2 months ago
config: x86_64-randconfig-r015-20200618 (attached as .config)
compiler: clang version 11.0.0 (
https://github.com/llvm/llvm-project
487ca07fcc75d52755c9fe2ee05bcb3b6eeeec44)
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 x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
git checkout 277a10850f9f4cb3429faf59293e2c89b1a320be
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>, old ones prefixed by <<):
> arch/x86/kernel/cpu/microcode/core.o: warning: objtool:
__reload_late()+0x215: unreachable instruction
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org