linux-kernel - arch/x86/kernel/head_64.o: warning: objtool: xen_hypercall_hvm+0x30: sibling call from callable instruction with modified stack frame

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: <202501250304.8hkFCG3K-lkp@intel.com>
Date: Sat, 25 Jan 2025 03:19:33 +0800
From: kernel test robot <lkp@...el.com>
To: Juergen Gross <jgross@...e.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: arch/x86/kernel/head_64.o: warning: objtool: xen_hypercall_hvm+0x30:
 sibling call from callable instruction with modified stack frame

Hi Juergen,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   ab18b8fff124c9b76ea12692571ca822dcd92854
commit: b4845bb6383821a9516ce30af3a27dc873e37fd4 x86/xen: add central hypercall functions
date:   6 weeks ago
config: x86_64-randconfig-161-20241019 (https://download.01.org/0day-ci/archive/20250125/202501250304.8hkFCG3K-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250125/202501250304.8hkFCG3K-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/202501250304.8hkFCG3K-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/x86/kernel/head_64.o: warning: objtool: xen_hypercall_hvm+0x30: sibling call from callable instruction with modified stack frame

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