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>
tree:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 83bdc7275e6206f560d247be856bceba3e1ed8f2
commit: 0887a7ebc97770c7870abf3075a2e8cd502a7f52 ubsan: add trap instrumentation option
date: 4 months ago
config: x86_64-randconfig-a011-20200730 (attached as .config)
compiler: clang version 12.0.0 (
https://github.com/llvm/llvm-project
6700f4b9fe6321ef704efa4890af5bc351a124f0)
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 0887a7ebc97770c7870abf3075a2e8cd502a7f52
# 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 >>):
> init/do_mounts_rd.o: warning: objtool: crd_load()+0x68:
unreachable instruction
--
> fs/nilfs2/super.o: warning: objtool: __nilfs_error()+0x170:
unreachable instruction
--
> fs/ocfs2/cluster/quorum.o: warning: objtool:
o2quo_fence_self()+0x73: unreachable instruction
--
> drivers/message/fusion/mptbase.o: warning: objtool:
mpt_halt_firmware()+0x53: unreachable instruction
--
> sound/core/init.o: warning: objtool:
snd_disconnect_release()+0xff: unreachable instruction
--
> drivers/i2c/busses/i2c-gpio.o: warning: objtool:
inject_panic_irq()+0x1f: unreachable instruction
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org