linux-kernel - [tip:master 11/25] vmlinux.o: warning: objtool: user_exc_vmm_communication+0x1ba: call to __kasan_check

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Message-ID: <202511061929.VZHgI3kd-lkp@intel.com>
Date: Thu, 6 Nov 2025 19:42:28 +0800
From: kernel test robot <lkp@...el.com>
To: Ingo Molnar <mingo@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org, x86@...nel.org
Subject: [tip:master 11/25] vmlinux.o: warning: objtool:
 user_exc_vmm_communication+0x1ba: call to __kasan_check_read() leaves
 .noinstr.text section

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git master
head:   8411fdb92360d0b4d3337492a25ee2de7fb6c425
commit: f3f05eccd188355ee9ffcf3f120328c604daffb8 [11/25] Merge branch into tip/master: 'perf/core'
config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20251106/202511061929.VZHgI3kd-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251106/202511061929.VZHgI3kd-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/202511061929.VZHgI3kd-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> vmlinux.o: warning: objtool: user_exc_vmm_communication+0x1ba: call to __kasan_check_read() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_int3+0x1e4: call to __kasan_check_read() leaves .noinstr.text section
   vmlinux.o: warning: objtool: exc_debug_user+0x22f: call to __kasan_check_read() leaves .noinstr.text section
   vmlinux.o: warning: objtool: noist_exc_machine_check+0x1d5: call to __kasan_check_read() leaves .noinstr.text section
   vmlinux.o: warning: objtool: fred_exc_machine_check+0x225: call to __kasan_check_read() leaves .noinstr.text section

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