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[openeuler:OLK-6.6 2380/2380] kernel/sched/soft_domain.c:73:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
by kernel test robot 10 Jun '25

10 Jun '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a7f4bf73c34996ee6cdda292e8f906a9c30879de commit: 645a1ba256efa1b6dd765d20b7b407b501ed3ba6 [2380/2380] sched: topology: Build soft domain for LLC config: x86_64-randconfig-122-20250610 (https://download.01.org/0day-ci/archive/20250610/202506100428.rYVNbEAi-lkp@…) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250610/202506100428.rYVNbEAi-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202506100428.rYVNbEAi-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sched/build_policy.c: note: in included file: kernel/sched/rt.c:965:70: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:965:70: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:965:70: sparse: struct task_struct * kernel/sched/rt.c:2427:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:2427:25: sparse: struct task_struct * kernel/sched/rt.c:2427:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:1051:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:1051:38: sparse: expected struct task_struct *curr kernel/sched/rt.c:1051:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:1596:31: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:1596:31: sparse: expected struct task_struct *p kernel/sched/rt.c:1596:31: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:1936:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/rt.c:1936:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/rt.c:1936:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/rt.c:1616:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu * @@ kernel/sched/rt.c:1616:14: sparse: expected struct task_struct *curr kernel/sched/rt.c:1616:14: sparse: got struct task_struct [noderef] __rcu * kernel/sched/rt.c:1681:45: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:1681:45: sparse: expected struct task_struct *p kernel/sched/rt.c:1681:45: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:1742:67: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:1742:67: sparse: expected struct task_struct *tsk kernel/sched/rt.c:1742:67: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2104:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *task @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:2104:40: sparse: expected struct task_struct *task kernel/sched/rt.c:2104:40: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2127:13: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:2127:13: sparse: struct task_struct * kernel/sched/rt.c:2127:13: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:2480:54: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:2480:54: sparse: expected struct task_struct *tsk kernel/sched/rt.c:2480:54: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2482:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:2482:40: sparse: expected struct task_struct *p kernel/sched/rt.c:2482:40: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2482:61: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:2482:61: sparse: expected struct task_struct *p kernel/sched/rt.c:2482:61: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/build_policy.c: note: in included file: kernel/sched/deadline.c:2312:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:2312:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:2312:23: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:2322:13: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2322:13: sparse: struct task_struct * kernel/sched/deadline.c:2322:13: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2430:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2430:25: sparse: struct task_struct * kernel/sched/deadline.c:2430:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:1950:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity const *b @@ got struct sched_dl_entity [noderef] __rcu * @@ kernel/sched/deadline.c:1950:42: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:1950:42: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:1961:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:1961:38: sparse: expected struct task_struct *tsk kernel/sched/deadline.c:1961:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1177:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:1177:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:1177:23: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1300:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:1300:38: sparse: expected struct task_struct *curr kernel/sched/deadline.c:1300:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:2170:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/deadline.c:2170:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/deadline.c:2170:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/deadline.c:1835:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu * @@ kernel/sched/deadline.c:1835:14: sparse: expected struct task_struct *curr kernel/sched/deadline.c:1835:14: sparse: got struct task_struct [noderef] __rcu * kernel/sched/deadline.c:1911:43: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:1911:43: sparse: expected struct task_struct *p kernel/sched/deadline.c:1911:43: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:2477:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:2477:38: sparse: expected struct task_struct *tsk kernel/sched/deadline.c:2477:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:2479:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:2479:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:2479:23: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:2481:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity const *b @@ got struct sched_dl_entity [noderef] __rcu * @@ kernel/sched/deadline.c:2481:44: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:2481:44: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:2656:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2656:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2656:22: sparse: struct task_struct * kernel/sched/deadline.c:2705:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/build_policy.c: note: in included file: >> kernel/sched/soft_domain.c:73:17: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/soft_domain.c:73:17: sparse: struct soft_domain [noderef] __rcu * kernel/sched/soft_domain.c:73:17: sparse: struct soft_domain * kernel/sched/soft_domain.c:55:17: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/soft_domain.c:55:17: sparse: struct soft_domain [noderef] __rcu * kernel/sched/soft_domain.c:55:17: sparse: struct soft_domain * kernel/sched/soft_domain.c:85:24: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/soft_domain.c:85:24: sparse: struct soft_domain [noderef] __rcu * kernel/sched/soft_domain.c:85:24: sparse: struct soft_domain * kernel/sched/build_policy.c: note: in included file: kernel/sched/sched.h:2306:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2306:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2306:25: sparse: struct task_struct * kernel/sched/sched.h:2306:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2306:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2306:25: sparse: struct task_struct * kernel/sched/sched.h:2306:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2306:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2306:25: sparse: struct task_struct * kernel/sched/sched.h:2306:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2306:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2306:25: sparse: struct task_struct * kernel/sched/sched.h:2306:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2306:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2306:25: sparse: struct task_struct * kernel/sched/sched.h:2306:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2306:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2306:25: sparse: struct task_struct * kernel/sched/sched.h:2306:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2306:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2306:25: sparse: struct task_struct * vim +73 kernel/sched/soft_domain.c 60 61 static void free_sub_soft_domain(struct soft_domain *sf_d) 62 { 63 struct list_head *children = &sf_d->child_domain; 64 struct soft_subdomain *entry = NULL, *next = NULL; 65 int i; 66 67 list_for_each_entry_safe(entry, next, children, node) { 68 list_del(&entry->node); 69 kfree(entry); 70 } 71 72 for_each_cpu(i, to_cpumask(sf_d->span)) { > 73 rcu_assign_pointer(per_cpu(g_sf_d, i), NULL); 74 } 75 76 kfree(sf_d); 77 } 78 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 2380/2380] mm/pagewalk.c:816:undefined reference to `vm_normal_page_pmd'
by kernel test robot 10 Jun '25

10 Jun '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a7f4bf73c34996ee6cdda292e8f906a9c30879de commit: eb6d298e49a22a61e4a25377329a81445bed4611 [2380/2380] mm/pagewalk: introduce folio_walk_start() + folio_walk_end() config: arm64-randconfig-003-20250609 (https://download.01.org/0day-ci/archive/20250610/202506100341.pGF5A7BE-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250610/202506100341.pGF5A7BE-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202506100341.pGF5A7BE-lkp@intel.com/ All errors (new ones prefixed by >>): aarch64-linux-ld: mm/pagewalk.o: in function `folio_walk_start': >> mm/pagewalk.c:816:(.text+0x1cbc): undefined reference to `vm_normal_page_pmd' >> mm/pagewalk.c:816:(.text+0x1cbc): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `vm_normal_page_pmd' aarch64-linux-ld: mm/kasan/shadow.o: in function `memcpy_mc': shadow.c:(.text+0x7ac): undefined reference to `__memcpy_mc' shadow.c:(.text+0x7ac): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `__memcpy_mc' vim +816 mm/pagewalk.c 682 683 /** 684 * folio_walk_start - walk the page tables to a folio 685 * @fw: filled with information on success. 686 * @vma: the VMA. 687 * @addr: the virtual address to use for the page table walk. 688 * @flags: flags modifying which folios to walk to. 689 * 690 * Walk the page tables using @addr in a given @vma to a mapped folio and 691 * return the folio, making sure that the page table entry referenced by 692 * @addr cannot change until folio_walk_end() was called. 693 * 694 * As default, this function returns only folios that are not special (e.g., not 695 * the zeropage) and never returns folios that are supposed to be ignored by the 696 * VM as documented by vm_normal_page(). If requested, zeropages will be 697 * returned as well. 698 * 699 * As default, this function only considers present page table entries. 700 * If requested, it will also consider migration entries. 701 * 702 * If this function returns NULL it might either indicate "there is nothing" or 703 * "there is nothing suitable". 704 * 705 * On success, @fw is filled and the function returns the folio while the PTL 706 * is still held and folio_walk_end() must be called to clean up, 707 * releasing any held locks. The returned folio must *not* be used after the 708 * call to folio_walk_end(), unless a short-term folio reference is taken before 709 * that call. 710 * 711 * @fw->page will correspond to the page that is effectively referenced by 712 * @addr. However, for migration entries and shared zeropages @fw->page is 713 * set to NULL. Note that large folios might be mapped by multiple page table 714 * entries, and this function will always only lookup a single entry as 715 * specified by @addr, which might or might not cover more than a single page of 716 * the returned folio. 717 * 718 * This function must *not* be used as a naive replacement for 719 * get_user_pages() / pin_user_pages(), especially not to perform DMA or 720 * to carelessly modify page content. This function may *only* be used to grab 721 * short-term folio references, never to grab long-term folio references. 722 * 723 * Using the page table entry pointers in @fw for reading or modifying the 724 * entry should be avoided where possible: however, there might be valid 725 * use cases. 726 * 727 * WARNING: Modifying page table entries in hugetlb VMAs requires a lot of care. 728 * For example, PMD page table sharing might require prior unsharing. Also, 729 * logical hugetlb entries might span multiple physical page table entries, 730 * which *must* be modified in a single operation (set_huge_pte_at(), 731 * huge_ptep_set_*, ...). Note that the page table entry stored in @fw might 732 * not correspond to the first physical entry of a logical hugetlb entry. 733 * 734 * The mmap lock must be held in read mode. 735 * 736 * Return: folio pointer on success, otherwise NULL. 737 */ 738 struct folio *folio_walk_start(struct folio_walk *fw, 739 struct vm_area_struct *vma, unsigned long addr, 740 folio_walk_flags_t flags) 741 { 742 unsigned long entry_size; 743 bool expose_page = true; 744 struct page *page; 745 pud_t *pudp, pud; 746 pmd_t *pmdp, pmd; 747 pte_t *ptep, pte; 748 spinlock_t *ptl; 749 pgd_t *pgdp; 750 p4d_t *p4dp; 751 752 mmap_assert_locked(vma->vm_mm); 753 vma_pgtable_walk_begin(vma); 754 755 if (WARN_ON_ONCE(addr < vma->vm_start || addr >= vma->vm_end)) 756 goto not_found; 757 758 pgdp = pgd_offset(vma->vm_mm, addr); 759 if (pgd_none_or_clear_bad(pgdp)) 760 goto not_found; 761 762 p4dp = p4d_offset(pgdp, addr); 763 if (p4d_none_or_clear_bad(p4dp)) 764 goto not_found; 765 766 pudp = pud_offset(p4dp, addr); 767 pud = pudp_get(pudp); 768 if (pud_none(pud)) 769 goto not_found; 770 if (IS_ENABLED(CONFIG_PGTABLE_HAS_HUGE_LEAVES) && pud_leaf(pud)) { 771 ptl = pud_lock(vma->vm_mm, pudp); 772 pud = pudp_get(pudp); 773 774 entry_size = PUD_SIZE; 775 fw->level = FW_LEVEL_PUD; 776 fw->pudp = pudp; 777 fw->pud = pud; 778 779 if (!pud_present(pud) || pud_devmap(pud)) { 780 spin_unlock(ptl); 781 goto not_found; 782 } else if (!pud_leaf(pud)) { 783 spin_unlock(ptl); 784 goto pmd_table; 785 } 786 /* 787 * TODO: vm_normal_page_pud() will be handy once we want to 788 * support PUD mappings in VM_PFNMAP|VM_MIXEDMAP VMAs. 789 */ 790 page = pud_page(pud); 791 goto found; 792 } 793 794 pmd_table: 795 VM_WARN_ON_ONCE(pud_leaf(*pudp)); 796 pmdp = pmd_offset(pudp, addr); 797 pmd = pmdp_get_lockless(pmdp); 798 if (pmd_none(pmd)) 799 goto not_found; 800 if (IS_ENABLED(CONFIG_PGTABLE_HAS_HUGE_LEAVES) && pmd_leaf(pmd)) { 801 ptl = pmd_lock(vma->vm_mm, pmdp); 802 pmd = pmdp_get(pmdp); 803 804 entry_size = PMD_SIZE; 805 fw->level = FW_LEVEL_PMD; 806 fw->pmdp = pmdp; 807 fw->pmd = pmd; 808 809 if (pmd_none(pmd)) { 810 spin_unlock(ptl); 811 goto not_found; 812 } else if (!pmd_leaf(pmd)) { 813 spin_unlock(ptl); 814 goto pte_table; 815 } else if (pmd_present(pmd)) { > 816 page = vm_normal_page_pmd(vma, addr, pmd); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 2380/2380] mm/share_pool.c:1226:14: error: call to undeclared function 'huge_ptep_get'; ISO C99 and later do not support implicit function declarations
by kernel test robot 10 Jun '25

10 Jun '25

Hi Wang, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a7f4bf73c34996ee6cdda292e8f906a9c30879de commit: 549b1f40b56511536196f7522ffa4d7b3da42337 [2380/2380] mm/sharepool: Implement mg_sp_make_share_u2k() config: arm64-randconfig-r112-20250610 (https://download.01.org/0day-ci/archive/20250610/202506100320.weV2eiwH-lkp@…) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce: (https://download.01.org/0day-ci/archive/20250610/202506100320.weV2eiwH-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202506100320.weV2eiwH-lkp@intel.com/ All errors (new ones prefixed by >>): >> mm/share_pool.c:1226:14: error: call to undeclared function 'huge_ptep_get'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1226 | pte_t pte = huge_ptep_get(ptep); | ^ >> mm/share_pool.c:1226:8: error: initializing 'pte_t' with an expression of incompatible type 'int' 1226 | pte_t pte = huge_ptep_get(ptep); | ^ ~~~~~~~~~~~~~~~~~~~ 2 errors generated. vim +/huge_ptep_get +1226 mm/share_pool.c 1221 1222 static int sp_hugetlb_entry(pte_t *ptep, unsigned long hmask, 1223 unsigned long addr, unsigned long next, 1224 struct mm_walk *walk) 1225 { > 1226 pte_t pte = huge_ptep_get(ptep); 1227 struct page *page = pte_page(pte); 1228 struct sp_walk_data *sp_walk_data; 1229 1230 if (unlikely(!pte_present(pte))) { 1231 pr_debug("the page of addr %lx unexpectedly not in RAM\n", (unsigned long)addr); 1232 return -EFAULT; 1233 } 1234 1235 sp_walk_data = walk->private; 1236 get_page(page); 1237 sp_walk_data->pages[sp_walk_data->page_count++] = page; 1238 return 0; 1239 } 1240 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 2380/2380] shadow.c:(.text+0x5ec): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `__memcpy_mc'
by kernel test robot 09 Jun '25

09 Jun '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a7f4bf73c34996ee6cdda292e8f906a9c30879de commit: b991780c836ceb9a479c6c6e385e914b487e353a [2380/2380] arm64: introduce copy_mc_to_kernel() implementation config: arm64-randconfig-003-20250609 (https://download.01.org/0day-ci/archive/20250609/202506092333.YJ52Pu6f-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250609/202506092333.YJ52Pu6f-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202506092333.YJ52Pu6f-lkp@intel.com/ All errors (new ones prefixed by >>): aarch64-linux-ld: mm/kasan/shadow.o: in function `memcpy_mc': shadow.c:(.text+0x5ec): undefined reference to `__memcpy_mc' >> shadow.c:(.text+0x5ec): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `__memcpy_mc' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH OLK-5.10] media: venus: hfi: add a check to handle OOB in sfr region
by Zizhi Wo 09 Jun '25

09 Jun '25

From: Vikash Garodia <quic_vgarodia(a)quicinc.com> stable inclusion from stable-v6.1.135 commit 4e95233af57715d81830fe82b408c633edff59f4 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IC5BIO CVE: CVE-2025-23159 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- commit f4b211714bcc70effa60c34d9fa613d182e3ef1e upstream. sfr->buf_size is in shared memory and can be modified by malicious user. OOB write is possible when the size is made higher than actual sfr data buffer. Cap the size to allocated size for such cases. Cc: stable(a)vger.kernel.org Fixes: d96d3f30c0f2 ("[media] media: venus: hfi: add Venus HFI files") Reviewed-by: Bryan O'Donoghue <bryan.odonoghue(a)linaro.org> Signed-off-by: Vikash Garodia <quic_vgarodia(a)quicinc.com> Signed-off-by: Hans Verkuil <hverkuil(a)xs4all.nl> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Zizhi Wo <wozizhi(a)huawei.com> --- drivers/media/platform/qcom/venus/hfi_venus.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c b/drivers/media/platform/qcom/venus/hfi_venus.c index 8b1375c97c81..b47c24cdde13 100644 --- a/drivers/media/platform/qcom/venus/hfi_venus.c +++ b/drivers/media/platform/qcom/venus/hfi_venus.c @@ -978,18 +978,26 @@ static void venus_sfr_print(struct venus_hfi_device *hdev) { struct device *dev = hdev->core->dev; struct hfi_sfr *sfr = hdev->sfr.kva; + u32 size; void *p; if (!sfr) return; - p = memchr(sfr->data, '\0', sfr->buf_size); + size = sfr->buf_size; + if (!size) + return; + + if (size > ALIGNED_SFR_SIZE) + size = ALIGNED_SFR_SIZE; + + p = memchr(sfr->data, '\0', size); /* * SFR isn't guaranteed to be NULL terminated since SYS_ERROR indicates * that Venus is in the process of crashing. */ if (!p) - sfr->data[sfr->buf_size - 1] = '\0'; + sfr->data[size - 1] = '\0'; dev_err_ratelimited(dev, "SFR message from FW: %s\n", sfr->data); } -- 2.39.2

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[PATCH OLK-6.6 0/6] OLK-6.6 Bperf
by Xiaomeng Zhang 09 Jun '25

09 Jun '25

Ian Rogers (1): perf test bpf-counters: Add test for BPF event modifier Tengda Wu (2): perf stat: Support inherit events during fork() for bperf perf test: Use sqrtloop workload to test bperf event Veronika Molnarova (1): perf test stat_bpf_counter.sh: Stabilize the test results Xiaomeng Zhang (2): perf stat: Increase perf_attr_map entries perf stat: Fix incorrect display of bperf when event count is 0 tools/lib/perf/include/perf/bpf_perf.h | 1 + tools/perf/builtin-stat.c | 1 + tools/perf/tests/shell/stat_bpf_counters.sh | 79 ++++++++++----- tools/perf/util/bpf_counter.c | 61 +++++++++--- tools/perf/util/bpf_skel/bperf_follower.bpf.c | 98 +++++++++++++++++-- tools/perf/util/bpf_skel/bperf_u.h | 5 + tools/perf/util/target.h | 1 + 7 files changed, 198 insertions(+), 48 deletions(-) -- 2.34.1

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[openeuler:OLK-5.10 2953/2953] kernel/locking/lockdep.o: warning: objtool: lockdep_unregister_key()+0x2ff: unreachable instruction
by kernel test robot 09 Jun '25

09 Jun '25

Hi Waiman, First bad commit (maybe != root cause): tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: dd32d51934d00fd319caec8710bd1a438bd69859 commit: b91170be2b1f1ef673f5e79c7a4beb5673a8f881 [2953/2953] locking/lockdep: Avoid potential access of invalid memory in lock_class config: x86_64-randconfig-123-20250609 (https://download.01.org/0day-ci/archive/20250609/202506092002.S7MmpM4X-lkp@…) compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250609/202506092002.S7MmpM4X-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202506092002.S7MmpM4X-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/locking/lockdep.o: warning: objtool: lockdep_unregister_key()+0x2ff: unreachable instruction -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[PATCH OLK-5.10 v6 00/11] arm64: Support xcall prefetch
by Jinjie Ruan 09 Jun '25

09 Jun '25

Support xcall prefetch. Changes in v6: - Only use one reserved kabi in task_struct for xcall. - Free prefetch item after eventpoll_release_file() to avoid possible competition between ep_prefetch_item_enqueue() and pfi free. - Fix "echo > /proc/xcall/cpu_list" show problem. Changes in v5: - Fix dentry free before free_prefetch_item() and then UAF in prefetch work by cancel_work_sync() before free pfi and move free_prefetch_item() to the first of __fput(). - Fix __queue_work() oops bug. - /proc/xcall/mask_list -> /proc/xcall/cpu_list - Fix xcall_prefetch print data type. - Update prefetch tracepoint, move xcall points definition to separete header file. - Make xcall_prefetch depends on EPOLL. - Adjust xcall prefetch buf to 16KB by default. - Add xcall_prefetch_init() function. - Only use write lock in free_prefetch_item(). - Simplify xcall_read() and add some comment. - Update commit message. Changes in v4: - Enable FAST_SYSCALL/IRQ and XCALL_PREFETCH by default. - Fix xint sleeping function called from invalid context bug. - free_prefetch_item() in file_free() instead of filp_close(), which fix the alloc-queue and free competition. - Fix kernel_read() warning for FMODE_READ not set. - Add sock_from_file() limit for prefetch. - Check NULL for rc_work. - Simplfy the cpumask interface code, and rename to "/proc/xcall/mask_list". - Remove the xcall_cache_pages_order interface. - tracepoint update: fd -> file. - Simplify the xcall_read() function again. - Handle copy_to_user() return value. - Remove unused XCALL_CACHE_QUEUED. - Update the commit message. Changes in v3: - Add XCALL_PREFETCH config to isolate feature code. - Split the /proc/xxx interface code out to independent patches, which will make it clear. - Update the cpumask interface to "/proc/xcall/numa_mask", and it can set the numa mask of all numas one time. - Add xcall select count to make xcall_cache_pages_order adjust safe. - Introduce xcall_read_start/end() to make it clear. - Simplify the xcall_read() function. - Use cpumask_next() instead of get_nth_cpu_in_cpumask() function. - Use independent cpu select policy function. - Remove some unnecessary pr_err(). - Update the commit message. Changes in v2: - Upadte the xcall prefetch state machine, remove the queued state and add prefetch, cancel states. - Remove the pfi lock and use atomic variables. - Change the 'xcall select' semantics and simplify the code a lot. - Remove keep_running, remove unrelated code. - Remove the count in struct read_cache_entry, and use percpu hit/miss count. - Remove sync mode, so remove struct read_cache_entry in struct task_struct. - Use hash table to find prefetch item for a file, which will not change the file struct KABI. - Use rwlock instead of spinlock for hash table. - Use alloc_page() instead kmalloc() to align 4KB. - Update the commit message. Jinjie Ruan (7): arm64: Introduce Xint software solution arm64: Add debugfs dir for xint eventpoll: xcall: Support async prefetch data in epoll xcall: Add /proc/xcall/prefetch dir for performance tuning xcall: Add /proc/xcall/cpu_list for performance tuning xcall: eventpoll: add tracepoint config: Enable FAST_SYSCALL/IRQ and XCALL_PREFETCH by default Liao Chen (1): revert kpti bypass Yipeng Zou (3): arm64: Introduce xcall a faster svc exception handling arm64: Faster SVC exception handler with xcall xcall: Introduce xcall_select to mark special syscall arch/Kconfig | 81 +++++ arch/arm64/Kconfig | 2 + arch/arm64/configs/openeuler_defconfig | 7 + arch/arm64/include/asm/cpucaps.h | 2 + arch/arm64/include/asm/exception.h | 3 + arch/arm64/kernel/asm-offsets.c | 3 + arch/arm64/kernel/cpufeature.c | 56 ++++ arch/arm64/kernel/entry-common.c | 22 ++ arch/arm64/kernel/entry.S | 183 ++++++++++- arch/arm64/kernel/syscall.c | 57 ++++ drivers/irqchip/irq-gic-v3.c | 130 ++++++++ fs/eventpoll.c | 409 +++++++++++++++++++++++++ fs/file_table.c | 1 + fs/proc/base.c | 150 +++++++++ fs/read_write.c | 10 +- include/linux/fs.h | 35 +++ include/linux/hardirq.h | 5 + include/linux/irqchip/arm-gic-v3.h | 13 + include/linux/sched.h | 4 + include/linux/xcall.h | 19 ++ include/trace/events/xcall.h | 106 +++++++ kernel/fork.c | 25 ++ kernel/irq/debugfs.c | 33 ++ kernel/irq/internals.h | 18 ++ kernel/irq/irqdesc.c | 19 ++ kernel/irq/proc.c | 10 + kernel/softirq.c | 73 +++++ 27 files changed, 1473 insertions(+), 3 deletions(-) create mode 100644 include/linux/xcall.h create mode 100644 include/trace/events/xcall.h -- 2.34.1

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[PATCH OLK-6.6 0/6] OLK-6.6 Bperf
by Xiaomeng Zhang 09 Jun '25

09 Jun '25

Ian Rogers (1): perf test bpf-counters: Add test for BPF event modifier Tengda Wu (2): perf stat: Support inherit events during fork() for bperf perf test: Use sqrtloop workload to test bperf event Veronika Molnarova (1): perf test stat_bpf_counter.sh: Stabilize the test results Xiaomeng Zhang (2): perf stat: Increase perf_attr_map entries perf stat: Fix incorrect display of bperf when event count is 0 tools/lib/perf/include/perf/bpf_perf.h | 1 + tools/perf/builtin-stat.c | 1 + tools/perf/tests/shell/stat_bpf_counters.sh | 79 ++++++++++----- tools/perf/util/bpf_counter.c | 61 +++++++++--- tools/perf/util/bpf_skel/bperf_follower.bpf.c | 98 +++++++++++++++++-- tools/perf/util/bpf_skel/bperf_u.h | 5 + tools/perf/util/target.h | 1 + 7 files changed, 198 insertions(+), 48 deletions(-) -- 2.34.1

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[PATCH OLK-5.10] IMA: use real_inode to get the i_version
by Gu Bowen 09 Jun '25

09 Jun '25

hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/ICDKL2 -------------------------------- overlayfs has two types of inode, the overlayfs inode generated by overlayfs and the real inode of the file. When IMA does the measurement, process_measurement() will try to detect file content changes for files on a overlayfs filesystem based on the i_version number of the real inode. But now comparing with value of overlayfs inode, results in always re-evaluating the file's integrity. Therefore, ima_collect_measurement() should update iint->iversion with real_inode iversion. Also, ima_check_last_writer() should compare i_version base on real_inode. This patch is based on the implementation of upstream patch (see below Link tag). Due to merging the pre-patch to resolve conflicts introduces KABI changes, we don't fix this with the mainline version. Link: https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/comm… Fixes: b836c4d29f27 ("ima: detect changes to the backing overlay file") Signed-off-by: Gu Bowen <gubowen5(a)huawei.com> --- security/integrity/ima/ima_api.c | 2 +- security/integrity/ima/ima_main.c | 7 +++++-- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/security/integrity/ima/ima_api.c b/security/integrity/ima/ima_api.c index d88d7fb9f9a5..69bb71331e3f 100644 --- a/security/integrity/ima/ima_api.c +++ b/security/integrity/ima/ima_api.c @@ -278,7 +278,7 @@ int ima_collect_measurement(struct integrity_iint_cache *iint, * which do not support i_version, support is limited to an initial * measurement/appraisal/audit. */ - i_version = inode_query_iversion(inode); + i_version = inode_query_iversion(real_inode); hash.hdr.algo = algo; /* Initialize hash digest to 0's in case of failure */ diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c index c211a2c5f297..efa20bd18b97 100644 --- a/security/integrity/ima/ima_main.c +++ b/security/integrity/ima/ima_main.c @@ -222,16 +222,19 @@ static void ima_check_last_writer(struct integrity_iint_cache *iint, { fmode_t mode = file->f_mode; bool update; + struct inode *real_inode; if (!(mode & FMODE_WRITE)) return; mutex_lock(&iint->mutex); if (atomic_read(&inode->i_writecount) == 1) { + real_inode = d_real_inode(file_dentry(file)); + update = test_and_clear_bit(IMA_UPDATE_XATTR, &iint->atomic_flags); - if (!IS_I_VERSION(inode) || - !inode_eq_iversion(inode, iint->version) || + if (!IS_I_VERSION(real_inode) || + !inode_eq_iversion(real_inode, iint->version) || (iint->flags & IMA_NEW_FILE)) { iint->flags &= ~(IMA_DONE_MASK | IMA_NEW_FILE); iint->measured_pcrs = 0; -- 2.25.1

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