* vmlinux.o: warning: objtool: noist_exc_machine_check()+0x93: call to __sanitizer_cov_trace_pc() leaves .noinstr.text section
@ 2021-08-22 8:54 kernel test robot
2021-09-03 17:22 ` Borislav Petkov
0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2021-08-22 8:54 UTC (permalink / raw)
To: Peter Zijlstra
Cc: kbuild-all, linux-kernel, Ingo Molnar, Borislav Petkov, Miroslav Benes
[-- Attachment #1: Type: text/plain, Size: 1872 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9ff50bf2f2ff5fab01cac26d8eed21a89308e6ef
commit: bcb1b6ff39da7e8a6a986eb08126fba2b5e13c32 objtool: Correctly handle retpoline thunk calls
date: 5 months ago
config: x86_64-buildonly-randconfig-r003-20210822 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bcb1b6ff39da7e8a6a986eb08126fba2b5e13c32
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout bcb1b6ff39da7e8a6a986eb08126fba2b5e13c32
# save the attached .config to linux build tree
mkdir build_dir
make W=1 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@intel.com>
All warnings (new ones prefixed by >>):
vmlinux.o: warning: objtool: mce_wrmsrl.constprop.0()+0x6b: call to __sanitizer_cov_trace_pc() leaves .noinstr.text section
vmlinux.o: warning: objtool: do_machine_check()+0xb14: call to queue_task_work() leaves .noinstr.text section
vmlinux.o: warning: objtool: exc_machine_check()+0xdb: call to __sanitizer_cov_trace_pc() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: noist_exc_machine_check()+0x93: call to __sanitizer_cov_trace_pc() leaves .noinstr.text section
vmlinux.o: warning: objtool: __context_tracking_enter()+0x95: call to __sanitizer_cov_trace_pc() leaves .noinstr.text section
vmlinux.o: warning: objtool: __context_tracking_exit()+0x42: call to __sanitizer_cov_trace_pc() leaves .noinstr.text section
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: vmlinux.o: warning: objtool: noist_exc_machine_check()+0x93: call to __sanitizer_cov_trace_pc() leaves .noinstr.text section
2021-08-22 8:54 vmlinux.o: warning: objtool: noist_exc_machine_check()+0x93: call to __sanitizer_cov_trace_pc() leaves .noinstr.text section kernel test robot
@ 2021-09-03 17:22 ` Borislav Petkov
0 siblings, 0 replies; 2+ messages in thread
From: Borislav Petkov @ 2021-09-03 17:22 UTC (permalink / raw)
To: kernel test robot
Cc: Peter Zijlstra, kbuild-all, linux-kernel, Ingo Molnar, Miroslav Benes
On Sun, Aug 22, 2021 at 04:54:06PM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 9ff50bf2f2ff5fab01cac26d8eed21a89308e6ef
> commit: bcb1b6ff39da7e8a6a986eb08126fba2b5e13c32 objtool: Correctly handle retpoline thunk calls
> date: 5 months ago
> config: x86_64-buildonly-randconfig-r003-20210822 (attached as .config)
> compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
> reproduce (this is a W=1 build):
> # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bcb1b6ff39da7e8a6a986eb08126fba2b5e13c32
> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> git fetch --no-tags linus master
> git checkout bcb1b6ff39da7e8a6a986eb08126fba2b5e13c32
> # save the attached .config to linux build tree
> mkdir build_dir
> make W=1 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@intel.com>
>
> All warnings (new ones prefixed by >>):
>
> vmlinux.o: warning: objtool: mce_wrmsrl.constprop.0()+0x6b: call to __sanitizer_cov_trace_pc() leaves .noinstr.text section
> vmlinux.o: warning: objtool: do_machine_check()+0xb14: call to queue_task_work() leaves .noinstr.text section
> vmlinux.o: warning: objtool: exc_machine_check()+0xdb: call to __sanitizer_cov_trace_pc() leaves .noinstr.text section
> >> vmlinux.o: warning: objtool: noist_exc_machine_check()+0x93: call to __sanitizer_cov_trace_pc() leaves .noinstr.text section
> vmlinux.o: warning: objtool: __context_tracking_enter()+0x95: call to __sanitizer_cov_trace_pc() leaves .noinstr.text section
> vmlinux.o: warning: objtool: __context_tracking_exit()+0x42: call to __sanitizer_cov_trace_pc() leaves .noinstr.text section
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
https://lkml.kernel.org/r/YTHpmGmlo9N%2B1Rs7@hirez.programming.kicks-ass.net
--
Regards/Gruss,
Boris.
SUSE Software Solutions Germany GmbH, GF: Felix Imendörffer, HRB 36809, AG Nürnberg
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2021-08-22 8:54 vmlinux.o: warning: objtool: noist_exc_machine_check()+0x93: call to __sanitizer_cov_trace_pc() leaves .noinstr.text section kernel test robot
2021-09-03 17:22 ` Borislav Petkov
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