linux-kernel - arch/loongarch/kernel/machine_kexec.o: warning: objtool: kexec_shutdown_secondary+0x54: stack state mismatch: cfa1=3+0 cfa2=3+16

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: <202601280935.9DOUzTgi-lkp@intel.com>
Date: Wed, 28 Jan 2026 09:54:53 +0800
From: kernel test robot <lkp@...el.com>
To: Youling Tang <tangyouling@...inos.cn>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
 Huacai Chen <chenhuacai@...nel.org>
Subject: arch/loongarch/kernel/machine_kexec.o: warning: objtool:
 kexec_shutdown_secondary+0x54: stack state mismatch: cfa1=3+0 cfa2=3+16

Hi Youling,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   1f97d9dcf53649c41c33227b345a36902cbb08ad
commit: d162feec6b6e7ed97986118450812fdd7e9ba202 LoongArch: Add preparatory infrastructure for kexec_file
date:   4 months ago
config: loongarch-randconfig-r111-20260128 (https://download.01.org/0day-ci/archive/20260128/202601280935.9DOUzTgi-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 12.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260128/202601280935.9DOUzTgi-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/202601280935.9DOUzTgi-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/loongarch/kernel/machine_kexec.o: warning: objtool: kexec_shutdown_secondary+0x54: stack state mismatch: cfa1=3+0 cfa2=3+16

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