CC: Linux Memory Management List <linux-mm(a)kvack.org>
TO: Luiz Sampaio <sampaio.ime(a)gmail.com>
CC: Miguel Ojeda <ojeda(a)kernel.org>
tree:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 4eee8d0b64ecc3231040fa68ba750317ffca5c52
commit: 4daa9ff89ef27be43c15995412d6aee393a78200 [2637/5842] auxdisplay: charlcd: checking
for pointer reference before dereferencing
config: x86_64-randconfig-a015-20211205
(
https://download.01.org/0day-ci/archive/20211210/202112101807.jvagJ8rt-lk...)
compiler: clang version 14.0.0 (
https://github.com/llvm/llvm-project
5f1d1854eb1450d352663ee732235893c5782237)
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/next/linux-next.git/commi...
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout 4daa9ff89ef27be43c15995412d6aee393a78200
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir
ARCH=x86_64 SHELL=/bin/bash crypto// drivers/
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 >>):
> drivers/auxdisplay/charlcd.o: warning: objtool:
charlcd_register()+0x2d4: unreachable instruction
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org