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: <202410010338.tG5tc5tI-lkp@intel.com>
Date: Tue, 1 Oct 2024 03:34:48 +0800
From: kernel test robot <lkp@...el.com>
To: Brian Norris <briannorris@...omium.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Yury Norov <yury.norov@...il.com>, Kees Cook <kees@...nel.org>,
	Nathan Chancellor <nathan@...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 Brian,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   9852d85ec9d492ebef56dc5f229416c925758edc
commit: ab6b1010dab68f6d4bf063517db4ce2d63554bc6 cpumask: Switch from inline to __always_inline
date:   6 weeks ago
config: loongarch-randconfig-r064-20240825 (https://download.01.org/0day-ci/archive/20241001/202410010338.tG5tc5tI-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 13.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241001/202410010338.tG5tc5tI-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/202410010338.tG5tc5tI-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
   arch/loongarch/kernel/machine_kexec.o: warning: objtool: .text: unexpected end of section


objdump-func vmlinux.o kexec_shutdown_secondary:

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