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Date:   Mon, 4 Apr 2022 20:22:33 +0800
From:   kernel test robot <lkp@intel.com>
To:     Kees Cook <keescook@chromium.org>
Cc:     kbuild-all@lists.01.org, linux-kernel@vger.kernel.org
Subject: vmlinux.o: warning: objtool: stackleak_erase()+0x35: call to
 ftrace_likely_update() leaves .noinstr.text section
Message-ID: <202204042008.sCQbEmVS-lkp@intel.com>
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User-Agent: Mutt/1.10.1 (2018-07-13)
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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   3123109284176b1532874591f7c81f3837bbdc17
commit: dcb85f85fa6f142aae1fe86f399d4503d49f2b60 gcc-plugins/stackleak: Use noinstr in favor of notrace
date:   8 weeks ago
config: x86_64-randconfig-r012-20220404 (https://download.01.org/0day-ci/archive/20220404/202204042008.sCQbEmVS-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-19) 11.2.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dcb85f85fa6f142aae1fe86f399d4503d49f2b60
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout dcb85f85fa6f142aae1fe86f399d4503d49f2b60
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

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

All warnings (new ones prefixed by >>):

   vmlinux.o: warning: objtool: __wrgsbase_inactive()+0x26: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __rdgsbase_inactive()+0x23: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: fixup_bad_iret()+0x76: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: noist_exc_debug()+0x3c: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_nmi()+0xaa: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: poke_int3_handler()+0x3e: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: mce_check_crashing_cpu()+0x15: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: mce_start()+0x4e: call to __kcsan_check_access() leaves .noinstr.text section
   vmlinux.o: warning: objtool: mce_gather_info()+0x5f: call to v8086_mode.constprop.0() leaves .noinstr.text section
   vmlinux.o: warning: objtool: mce_read_aux()+0x93: call to mca_msr_reg() leaves .noinstr.text section
   vmlinux.o: warning: objtool: do_machine_check()+0x5f: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_machine_check()+0x8e: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: mce_severity_amd.constprop.0()+0xca: call to mce_severity_amd_smca() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_nmi_enter()+0x45: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_nmi_exit()+0x38: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: enter_from_user_mode()+0x15: call to test_bit() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode()+0x1a: call to test_bit() leaves .noinstr.text section
   vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare()+0x15: call to test_bit() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_enter_from_user_mode()+0x15: call to test_bit() leaves .noinstr.text section
   vmlinux.o: warning: objtool: irqentry_exit()+0x28: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: context_tracking_recursion_enter()+0x103: call to ftrace_likely_update() leaves .noinstr.text section
   vmlinux.o: warning: objtool: __context_tracking_enter()+0x30: call to ftrace_likely_update() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: stackleak_erase()+0x35: call to ftrace_likely_update() leaves .noinstr.text section

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