[tip:master 11/25] vmlinux.o: warning: objtool: user_exc_vmm_communication+0x1ba: call to __kasan_check_read() leaves .noinstr.text section

From: kernel test robot

Date: Thu Nov 06 2025 - 06:43:23 EST


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@xxxxxxxxx/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@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511061929.VZHgI3kd-lkp@xxxxxxxxx/

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