LinuxLists.cc - {standard input}:24403: Error: Insn slot not set in unwind record.

2022-10-21 05:49:56

Subject: {standard input}:24403: Error: Insn slot not set in unwind record.

Hi Kees,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: aae703b02f92bde9264366c545e87cec451de471
commit: a82adfd5c7cb4b8bb37ef439aed954f9972bb618 hardening: Introduce CONFIG_ZERO_CALL_USED_REGS
date: 1 year, 3 months ago
config: ia64-randconfig-r024-20221020
compiler: ia64-linux-gcc (GCC) 12.1.0
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/?id=a82adfd5c7cb4b8bb37ef439aed954f9972bb618
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout a82adfd5c7cb4b8bb37ef439aed954f9972bb618
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <[email protected]>

All errors (new ones prefixed by >>):

{standard input}:20041: Warning: This is the location of the conflicting usage
{standard input}:20047: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 38
{standard input}:20047: Warning: Only the first path encountering the conflict is reported
{standard input}:20046: Warning: This is the location of the conflicting usage
{standard input}:20050: Error: Register number out of range 0..3
{standard input}:20051: Error: Register number out of range 0..3
{standard input}:20051: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 38
{standard input}:20051: Warning: Only the first path encountering the conflict is reported
{standard input}:20050: Warning: This is the location of the conflicting usage
{standard input}:20579: Error: Register number out of range 0..1
{standard input}:20579: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 40
{standard input}:20579: Warning: Only the first path encountering the conflict is reported
{standard input}:20577: Warning: This is the location of the conflicting usage
{standard input}:20581: Error: Register number out of range 0..1
{standard input}:20581: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 40
{standard input}:20581: Warning: Only the first path encountering the conflict is reported
{standard input}:20577: Warning: This is the location of the conflicting usage
{standard input}:20581: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 40
{standard input}:20581: Warning: Only the first path encountering the conflict is reported
{standard input}:20579: Warning: This is the location of the conflicting usage
{standard input}:20582: Error: Register number out of range 0..1
{standard input}:20582: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 40
{standard input}:20582: Warning: Only the first path encountering the conflict is reported
{standard input}:20577: Warning: This is the location of the conflicting usage
{standard input}:20582: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 40
{standard input}:20582: Warning: Only the first path encountering the conflict is reported
{standard input}:20579: Warning: This is the location of the conflicting usage
{standard input}:20582: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 40
{standard input}:20582: Warning: Only the first path encountering the conflict is reported
{standard input}:20581: Warning: This is the location of the conflicting usage
{standard input}:20583: Error: Register number out of range 0..1
{standard input}:20583: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 40
{standard input}:20583: Warning: Only the first path encountering the conflict is reported
{standard input}:20577: Warning: This is the location of the conflicting usage
{standard input}:20583: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 40
{standard input}:20583: Warning: Only the first path encountering the conflict is reported
{standard input}:20579: Warning: This is the location of the conflicting usage
{standard input}:20583: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 40
{standard input}:20583: Warning: Only the first path encountering the conflict is reported
{standard input}:20581: Warning: This is the location of the conflicting usage
{standard input}:20583: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 40
{standard input}:20583: Warning: Only the first path encountering the conflict is reported
{standard input}:20582: Warning: This is the location of the conflicting usage
{standard input}:20586: Error: Register number out of range 0..1
{standard input}:20587: Error: Register number out of range 0..1
{standard input}:20587: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 40
{standard input}:20587: Warning: Only the first path encountering the conflict is reported
{standard input}:20586: Warning: This is the location of the conflicting usage
{standard input}:22463: Error: Register number out of range 0..3
{standard input}:22463: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 42
{standard input}:22463: Warning: Only the first path encountering the conflict is reported
{standard input}:22458: Warning: This is the location of the conflicting usage
{standard input}:22464: Error: Register number out of range 0..3
{standard input}:22464: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 42
{standard input}:22464: Warning: Only the first path encountering the conflict is reported
{standard input}:22458: Warning: This is the location of the conflicting usage
{standard input}:22464: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 42
{standard input}:22464: Warning: Only the first path encountering the conflict is reported
{standard input}:22463: Warning: This is the location of the conflicting usage
{standard input}:22467: Error: Register number out of range 0..3
{standard input}:22468: Error: Register number out of range 0..3
{standard input}:22468: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 42
{standard input}:22468: Warning: Only the first path encountering the conflict is reported
{standard input}:22467: Warning: This is the location of the conflicting usage
{standard input}:22569: Error: Register number out of range 0..1
{standard input}:22570: Error: Register number out of range 0..1
{standard input}:22570: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37
{standard input}:22570: Warning: Only the first path encountering the conflict is reported
{standard input}:22569: Warning: This is the location of the conflicting usage
{standard input}:22572: Error: Register number out of range 0..1
{standard input}:22572: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37
{standard input}:22572: Warning: Only the first path encountering the conflict is reported
{standard input}:22569: Warning: This is the location of the conflicting usage
{standard input}:22572: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37
{standard input}:22572: Warning: Only the first path encountering the conflict is reported
{standard input}:22570: Warning: This is the location of the conflicting usage
{standard input}:22573: Error: Register number out of range 0..1
{standard input}:22573: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37
{standard input}:22573: Warning: Only the first path encountering the conflict is reported
{standard input}:22569: Warning: This is the location of the conflicting usage
{standard input}:22573: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37
{standard input}:22573: Warning: Only the first path encountering the conflict is reported
{standard input}:22570: Warning: This is the location of the conflicting usage
{standard input}:22573: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37
{standard input}:22573: Warning: Only the first path encountering the conflict is reported
{standard input}:22572: Warning: This is the location of the conflicting usage
{standard input}:22574: Error: Register number out of range 0..1
{standard input}:22574: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37
{standard input}:22574: Warning: Only the first path encountering the conflict is reported
{standard input}:22569: Warning: This is the location of the conflicting usage
{standard input}:22574: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37
{standard input}:22574: Warning: Only the first path encountering the conflict is reported
{standard input}:22570: Warning: This is the location of the conflicting usage
{standard input}:22574: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37
{standard input}:22574: Warning: Only the first path encountering the conflict is reported
{standard input}:22572: Warning: This is the location of the conflicting usage
{standard input}:22574: Warning: Use of 'mov' violates WAW dependency 'GR%, % in 1 - 127' (impliedf), specific resource number is 37
{standard input}:22574: Warning: Only the first path encountering the conflict is reported
{standard input}:22573: Warning: This is the location of the conflicting usage
{standard input}:22578: Error: Register number out of range 0..1
>> {standard input}:24403: Error: Insn slot not set in unwind record.
{standard input}:24403: Fatal error: Section switching in code is not supported.

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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2022-10-21 17:22:53

by Kees Cook

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Subject: Re: {standard input}:24403: Error: Insn slot not set in unwind record.

On Fri, Oct 21, 2022 at 01:32:16PM +0800, kernel test robot wrote:
> Hi Kees,
>
> FYI, the error/warning still remains.
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: aae703b02f92bde9264366c545e87cec451de471
> commit: a82adfd5c7cb4b8bb37ef439aed954f9972bb618 hardening: Introduce CONFIG_ZERO_CALL_USED_REGS
> date: 1 year, 3 months ago
> config: ia64-randconfig-r024-20221020
> compiler: ia64-linux-gcc (GCC) 12.1.0

This feature isn't supported on ia64 -- I don't see how this commit
could be causing the warnings.

--
Kees Cook

2022-10-25 02:21:16

by Chen, Rong A

[permalink] [raw]

Subject: Re: [kbuild-all] Re: {standard input}:24403: Error: Insn slot not set in unwind record.

On 10/22/2022 12:13 AM, Kees Cook wrote:
> On Fri, Oct 21, 2022 at 01:32:16PM +0800, kernel test robot wrote:
>> Hi Kees,
>>
>> FYI, the error/warning still remains.
>>
>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head: aae703b02f92bde9264366c545e87cec451de471
>> commit: a82adfd5c7cb4b8bb37ef439aed954f9972bb618 hardening: Introduce CONFIG_ZERO_CALL_USED_REGS
>> date: 1 year, 3 months ago
>> config: ia64-randconfig-r024-20221020
>> compiler: ia64-linux-gcc (GCC) 12.1.0
>
> This feature isn't supported on ia64 -- I don't see how this commit
> could be causing the warnings.
>

Hi Kees,

Thanks for your reply, we will disable CONFIG_ZERO_CALL_USED_REGS for ia64.

Best Regards,
Rong Chen