linux-kernel - [tip:x86/core 6/10] arch/x86/kvm/kvm.o: warning: objtool: .text+0xa390: unreachable instruction

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 for Android: free password hash cracker in your pocket

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

Date:   Fri, 4 Nov 2022 01:22:26 +0800
From:   kernel test robot <lkp@...el.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        x86@...nel.org
Subject: [tip:x86/core 6/10] arch/x86/kvm/kvm.o: warning: objtool:
 .text+0xa390: unreachable instruction

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/core
head:   0c3e806ec0f9771fa1f34c60499097d9260a8bb7
commit: b341b20d648bb7e9a3307c33163e7399f0913e66 [6/10] x86: Add prefix symbols for function padding
config: x86_64-rhel-8.3
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b341b20d648bb7e9a3307c33163e7399f0913e66
        git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
        git fetch --no-tags tip x86/core
        git checkout b341b20d648bb7e9a3307c33163e7399f0913e66
        # 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/ tools/

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

All warnings (new ones prefixed by >>):

>> arch/x86/kvm/kvm.o: warning: objtool: .text+0xa390: unreachable instruction


objdump-func vmlinux.o .text:

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

View attachment "config" of type "text/plain" (166335 bytes)