CC: [email protected] CC: Mike Rapoport <[email protected]> CC: [email protected] TO: "Yu-cheng Yu" <[email protected]> CC: Mike Rapoport <[email protected]> CC: "Kirill A. Shutemov" <[email protected]> CC: Rick Edgecombe <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git cet/kvm head: e2f9808bd7530f44cd5d95332036bb660b66b8db commit: c4cd555bfd9f80a5d2cdc9993d05f3b5bcb8ccae [16/49] x86/mm: Update maybe_mkwrite() for shadow stack :::::: branch date: 25 hours ago :::::: commit date: 9 days ago config: x86_64-randconfig-m001 (https://download.01.org/0day-ci/archive/20220218/[email protected]/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> New smatch warnings: arch/x86/mm/pgtable.c:617 maybe_mkwrite() warn: bitwise AND condition is false here Old smatch warnings: arch/x86/mm/pgtable.c:281 pgd_mop_up_pmds() warn: we never enter this loop vim +617 arch/x86/mm/pgtable.c db3eb96f4e6281b Andrea Arcangeli 2011-01-13 612 c4cd555bfd9f80a Yu-cheng Yu 2022-01-30 613 pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma) c4cd555bfd9f80a Yu-cheng Yu 2022-01-30 614 { c4cd555bfd9f80a Yu-cheng Yu 2022-01-30 615 if (vma->vm_flags & VM_WRITE) c4cd555bfd9f80a Yu-cheng Yu 2022-01-30 616 pte = pte_mkwrite(pte); c4cd555bfd9f80a Yu-cheng Yu 2022-01-30 @617 else if (vma->vm_flags & VM_SHADOW_STACK) c4cd555bfd9f80a Yu-cheng Yu 2022-01-30 618 pte = pte_mkwrite_shstk(pte); c4cd555bfd9f80a Yu-cheng Yu 2022-01-30 619 return pte; c4cd555bfd9f80a Yu-cheng Yu 2022-01-30 620 } c4cd555bfd9f80a Yu-cheng Yu 2022-01-30 621 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected] _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
