8:44 p.m.
CC: linux-kernel(a)vger.kernel.org
TO: Nick Desaulniers <ndesaulniers(a)google.com>
CC: Kees Cook <keescook(a)chromium.org>
CC: Fangrui Song <maskray(a)google.com>
CC: Miguel Ojeda <ojeda(a)kernel.org>
CC: Nathan Chancellor <nathan(a)kernel.org>
Hi Nick,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: fa54d366a6e4fe3e16322abdb8b5115f8be0da8b
commit: 380d53c45ff21f66870ee965b62613137f9d010d compiler_attributes.h: define
__no_profile, add to noinstr
date: 9 weeks ago
config: x86_64-buildonly-randconfig-r003-20210821 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project
9e9d70591e72fc6762b4b9a226b68ed1307419bf)
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/torvalds/linux.git/commit...
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 380d53c45ff21f66870ee965b62613137f9d010d
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64
SHELL=/bin/bash
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 >>):
vmlinux.o: warning: objtool: do_syscall_64()+0x46: call to memset() leaves
.noinstr.text section
> vmlinux.o: warning: objtool: vc_switch_off_ist()+0x27: call to
ip_within_syscall_gap() leaves .noinstr.text section
vmlinux.o: warning: objtool:
fixup_bad_iret()+0x21: call to memset() leaves .noinstr.text section
vmlinux.o: warning: objtool: in_task_stack()+0xc: call to task_stack_page() leaves
.noinstr.text section
vmlinux.o: warning: objtool: in_entry_stack()+0x10: call to cpu_entry_stack() leaves
.noinstr.text section
vmlinux.o: warning: objtool: __sev_es_nmi_complete()+0x3f: call to
ghcb_set_sw_exit_code() leaves .noinstr.text section
vmlinux.o: warning: objtool: safe_stack_exc_vmm_communication()+0x2b: call to memset()
leaves .noinstr.text section
vmlinux.o: warning: objtool: debug_locks_off()+0x20: call to console_verbose() leaves
.noinstr.text section
vmlinux.o: warning: objtool: check_preemption_disabled()+0x53: return with
instrumentation enabled
kallsyms failure: relative symbol value 0xffffffff07699000 out of range in relative
mode
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org