linux-kernel - drivers/acpi/acpi_processor.o: warning: objtool: acpi_processor_get_info+0x178: stack state mismatch: reg1[29]=-1+0 reg2[29]=-2-64

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <202504020608.4vIsaUWL-lkp@intel.com>
Date: Wed, 2 Apr 2025 06:25:34 +0800
From: kernel test robot <lkp@...el.com>
To: Tiezhu Yang <yangtiezhu@...ngson.cn>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Huacai Chen <chenhuacai@...nel.org>
Subject: drivers/acpi/acpi_processor.o: warning: objtool:
 acpi_processor_get_info+0x178: stack state mismatch: reg1[29]=-1+0
 reg2[29]=-2-64

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   91e5bfe317d8f8471fbaa3e70cf66cae1314a516
commit: 5685d7fcb55fd729d7e0452c157a0ac8d72ca7b6 LoongArch: Give a chance to build with !CONFIG_SMP
date:   11 months ago
config: loongarch-randconfig-002-20250402 (https://download.01.org/0day-ci/archive/20250402/202504020608.4vIsaUWL-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250402/202504020608.4vIsaUWL-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202504020608.4vIsaUWL-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/acpi/acpi_processor.o: warning: objtool: acpi_processor_get_info+0x178: stack state mismatch: reg1[29]=-1+0 reg2[29]=-2-64

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for GENERIC_IRQ_EFFECTIVE_AFF_MASK
   Depends on [n]: SMP [=n]
   Selected by [y]:
   - IRQ_LOONGARCH_CPU [=y]

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki