linux-kernel - [tglx-devel:depthtracking 31/38] arch/x86/entry/entry_64.S:265: Error: no such instruction: `call_thunks_debug_inc

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: <202207142159.djfGNExM-lkp@intel.com>
Date:   Thu, 14 Jul 2022 21:14:55 +0800
From:   kernel test robot <lkp@...el.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [tglx-devel:depthtracking 31/38] arch/x86/entry/entry_64.S:265:
 Error: no such instruction: `call_thunks_debug_inc_ctxsw'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git depthtracking
head:   81d2c1b17a61bfeca4b92a5d6e1fb6f5ff464826
commit: 2732d9924d0ab04682c6cbc252e688e3e54b7847 [31/38] x86/calldepth: Add ret/call counting for debug
config: x86_64-randconfig-a013 (https://download.01.org/0day-ci/archive/20220714/202207142159.djfGNExM-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git/commit/?id=2732d9924d0ab04682c6cbc252e688e3e54b7847
        git remote add tglx-devel https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git
        git fetch --no-tags tglx-devel depthtracking
        git checkout 2732d9924d0ab04682c6cbc252e688e3e54b7847
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   arch/x86/entry/entry_64.S: Assembler messages:
>> arch/x86/entry/entry_64.S:265: Error: no such instruction: `call_thunks_debug_inc_ctxsw'


vim +265 arch/x86/entry/entry_64.S

1eeb207f870f74 arch/x86/kernel/entry_64.S Denys Vlasenko  2015-02-26  257  
c995efd5a740d9 arch/x86/entry/entry_64.S  David Woodhouse 2018-01-12  258  	/*
c995efd5a740d9 arch/x86/entry/entry_64.S  David Woodhouse 2018-01-12  259  	 * When switching from a shallower to a deeper call stack
c995efd5a740d9 arch/x86/entry/entry_64.S  David Woodhouse 2018-01-12  260  	 * the RSB may either underflow or use entries populated
c995efd5a740d9 arch/x86/entry/entry_64.S  David Woodhouse 2018-01-12  261  	 * with userspace addresses. On CPUs where those concerns
c995efd5a740d9 arch/x86/entry/entry_64.S  David Woodhouse 2018-01-12  262  	 * exist, overwrite the RSB with entries which capture
c995efd5a740d9 arch/x86/entry/entry_64.S  David Woodhouse 2018-01-12  263  	 * speculative execution to prevent attack.
c995efd5a740d9 arch/x86/entry/entry_64.S  David Woodhouse 2018-01-12  264  	 */
d1c99108af3c59 arch/x86/entry/entry_64.S  David Woodhouse 2018-02-19 @265  	FILL_RETURN_BUFFER %r12, RSB_CLEAR_LOOPS, X86_FEATURE_RSB_CTXSW
c995efd5a740d9 arch/x86/entry/entry_64.S  David Woodhouse 2018-01-12  266  
0100301bfdf56a arch/x86/entry/entry_64.S  Brian Gerst     2016-08-13  267  	/* restore callee-saved registers */
0100301bfdf56a arch/x86/entry/entry_64.S  Brian Gerst     2016-08-13  268  	popq	%r15
0100301bfdf56a arch/x86/entry/entry_64.S  Brian Gerst     2016-08-13  269  	popq	%r14
0100301bfdf56a arch/x86/entry/entry_64.S  Brian Gerst     2016-08-13  270  	popq	%r13
0100301bfdf56a arch/x86/entry/entry_64.S  Brian Gerst     2016-08-13  271  	popq	%r12
0100301bfdf56a arch/x86/entry/entry_64.S  Brian Gerst     2016-08-13  272  	popq	%rbx
0100301bfdf56a arch/x86/entry/entry_64.S  Brian Gerst     2016-08-13  273  	popq	%rbp
1eeb207f870f74 arch/x86/kernel/entry_64.S Denys Vlasenko  2015-02-26  274  
0100301bfdf56a arch/x86/entry/entry_64.S  Brian Gerst     2016-08-13  275  	jmp	__switch_to
96c64806b4bf35 arch/x86/entry/entry_64.S  Josh Poimboeuf  2020-04-25  276  SYM_FUNC_END(__switch_to_asm)
b9f6976bfb9491 arch/x86/entry/entry_64.S  Thomas Gleixner 2020-03-25  277  .popsection
1eeb207f870f74 arch/x86/kernel/entry_64.S Denys Vlasenko  2015-02-26  278  

:::::: The code at line 265 was first introduced by commit
:::::: d1c99108af3c5992640aa2afa7d2e88c3775c06e Revert "x86/retpoline: Simplify vmexit_fill_RSB()"

:::::: TO: David Woodhouse <dwmw@...zon.co.uk>
:::::: CC: Ingo Molnar <mingo@...nel.org>

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