linux-kernel - [intel-tdx:guest-rebased 4/129] arch/x86/kernel/tdcall.o: warning: objtool: __tdx_module

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]

Date:   Sat, 23 Apr 2022 17:29:33 +0800
From:   kernel test robot <lkp@...el.com>
To:     Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Tony Luck <tony.luck@...el.com>
Subject: [intel-tdx:guest-rebased 4/129] arch/x86/kernel/tdcall.o: warning:
 objtool: __tdx_module_call()+0x3f: missing int3 after ret

Hi Kuppuswamy,

First bad commit (maybe != root cause):

tree:   https://github.com/intel/tdx.git guest-rebased
head:   4c095660b91dbdd18042456e395af0deeef93485
commit: 78ee914ccc3ec6aba40ea3ffd044ea17b1aba9ce [4/129] x86/tdx: Add __tdx_module_call() and __tdx_hypercall() helper functions
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220423/202204231753.86pSanI4-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce (this is a W=1 build):
        # https://github.com/intel/tdx/commit/78ee914ccc3ec6aba40ea3ffd044ea17b1aba9ce
        git remote add intel-tdx https://github.com/intel/tdx.git
        git fetch --no-tags intel-tdx guest-rebased
        git checkout 78ee914ccc3ec6aba40ea3ffd044ea17b1aba9ce
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> arch/x86/kernel/tdcall.o: warning: objtool: __tdx_module_call()+0x3f: missing int3 after ret
>> arch/x86/kernel/tdcall.o: warning: objtool: __tdx_hypercall()+0x60: missing int3 after ret

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