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[PATCH OLK-6.6] f2fs: explicitly null-terminate the xattr list
by Zizhi Wo 22 Feb '24

22 Feb '24

From: Eric Biggers <ebiggers(a)google.com> mainline inclusion from mainline-v6.8-rc1 commit e26b6d39270f5eab0087453d9b544189a38c8564 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I92HXK CVE: CVE-2023-52436 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- When setting an xattr, explicitly null-terminate the xattr list. This eliminates the fragile assumption that the unused xattr space is always zeroed. Signed-off-by: Eric Biggers <ebiggers(a)google.com> Reviewed-by: Chao Yu <chao(a)kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk(a)kernel.org> Signed-off-by: Zizhi Wo <wozizhi(a)huawei.com> --- fs/f2fs/xattr.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index 465d145360de..e197657db36b 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -754,6 +754,12 @@ static int __f2fs_setxattr(struct inode *inode, int index, memcpy(pval, value, size); last->e_value_size = cpu_to_le16(size); new_hsize += newsize; + /* + * Explicitly add the null terminator. The unused xattr space + * is supposed to always be zeroed, which would make this + * unnecessary, but don't depend on that. + */ + *(u32 *)((u8 *)last + newsize) = 0; } error = write_all_xattrs(inode, new_hsize, base_addr, ipage); -- 2.39.2

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[PATCH openEuler-1.0-LTS] f2fs: explicitly null-terminate the xattr list
by Zizhi Wo 22 Feb '24

22 Feb '24

From: Eric Biggers <ebiggers(a)google.com> mainline inclusion from mainline-v6.8-rc1 commit e26b6d39270f5eab0087453d9b544189a38c8564 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I92HXK CVE: CVE-2023-52436 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- When setting an xattr, explicitly null-terminate the xattr list. This eliminates the fragile assumption that the unused xattr space is always zeroed. Signed-off-by: Eric Biggers <ebiggers(a)google.com> Reviewed-by: Chao Yu <chao(a)kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk(a)kernel.org> Signed-off-by: Zizhi Wo <wozizhi(a)huawei.com> --- fs/f2fs/xattr.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index 1858c66d871d..eef2b05fd7e1 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -718,6 +718,12 @@ static int __f2fs_setxattr(struct inode *inode, int index, memcpy(pval, value, size); last->e_value_size = cpu_to_le16(size); new_hsize += newsize; + /* + * Explicitly add the null terminator. The unused xattr space + * is supposed to always be zeroed, which would make this + * unnecessary, but don't depend on that. + */ + *(u32 *)((u8 *)last + newsize) = 0; } error = write_all_xattrs(inode, new_hsize, base_addr, ipage); -- 2.39.2

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[openeuler:OLK-5.10] BUILD SUCCESS c6bcd1627d0536d828594764c2e77b18d3c2c640
by kernel test robot 22 Feb '24

22 Feb '24

tree/branch: https://gitee.com/openeuler/kernel.git OLK-5.10 branch HEAD: c6bcd1627d0536d828594764c2e77b18d3c2c640 !4220 backport some patches for kunpeng hccs Warning ids grouped by kconfigs: gcc_recent_errors `-- arm64-defconfig `-- drivers-net-ethernet-hisilicon-hns3-hns3pf-hclge_mbx.c:warning:unused-variable-hdev elapsed time: 723m configs tested: 27 configs skipped: 131 The following configs have been built successfully. More configs may be tested in the coming days. tested configs: arm64 allmodconfig clang arm64 allnoconfig gcc arm64 defconfig gcc arm64 randconfig-001-20240221 gcc arm64 randconfig-002-20240221 gcc arm64 randconfig-003-20240221 gcc arm64 randconfig-004-20240221 gcc x86_64 allnoconfig clang x86_64 allyesconfig clang x86_64 buildonly-randconfig-001-20240222 clang x86_64 buildonly-randconfig-002-20240222 clang x86_64 buildonly-randconfig-003-20240222 gcc x86_64 buildonly-randconfig-004-20240222 clang x86_64 buildonly-randconfig-005-20240222 gcc x86_64 buildonly-randconfig-006-20240222 gcc x86_64 defconfig gcc x86_64 randconfig-001-20240222 clang x86_64 randconfig-002-20240222 clang x86_64 randconfig-003-20240222 clang x86_64 randconfig-004-20240222 clang x86_64 randconfig-005-20240222 gcc x86_64 randconfig-006-20240222 gcc x86_64 randconfig-011-20240222 clang x86_64 randconfig-012-20240222 gcc x86_64 randconfig-013-20240222 clang x86_64 randconfig-014-20240222 gcc x86_64 rhel-8.3-rust clang -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6] BUILD REGRESSION 8d757f9866d24f61f34a4d4639ff0395322c2f5c
by kernel test robot 22 Feb '24

22 Feb '24

tree/branch: https://gitee.com/openeuler/kernel.git OLK-6.6 branch HEAD: 8d757f9866d24f61f34a4d4639ff0395322c2f5c !4598 [OLK-6.6] Add iommu support for Phytium S2500 Error/Warning reports: https://lore.kernel.org/oe-kbuild-all/202402212124.9Ot7vWp2-lkp@intel.com Error/Warning: (recently discovered and may have been fixed) kernel/cgroup/cgroup.c:3968:15: error: use of undeclared identifier 'cgroup_psi_stat_show'; did you mean 'cgroup_stat_show'? Error/Warning ids grouped by kconfigs: gcc_recent_errors |-- arm64-randconfig-001-20240221 | `-- drivers-dax-super.c:warning:Function-parameter-or-member-KABI_RESERVE(-not-described-in-dax_device |-- arm64-randconfig-002-20240221 | `-- drivers-dax-super.c:warning:Function-parameter-or-member-KABI_RESERVE(-not-described-in-dax_device |-- arm64-randconfig-003-20240221 | `-- drivers-dax-super.c:warning:Function-parameter-or-member-KABI_RESERVE(-not-described-in-dax_device |-- loongarch-allmodconfig | `-- drivers-dax-super.c:warning:Function-parameter-or-member-KABI_RESERVE(-not-described-in-dax_device |-- loongarch-allnoconfig | `-- include-linux-suspend.h:error:expected-)-before-numeric-constant |-- loongarch-randconfig-001-20240221 | `-- drivers-dax-super.c:warning:Function-parameter-or-member-KABI_RESERVE(-not-described-in-dax_device |-- loongarch-randconfig-002-20240221 | `-- drivers-dax-super.c:warning:Function-parameter-or-member-KABI_RESERVE(-not-described-in-dax_device |-- x86_64-buildonly-randconfig-002-20240221 | `-- drivers-dax-super.c:warning:Function-parameter-or-member-KABI_RESERVE(-not-described-in-dax_device |-- x86_64-buildonly-randconfig-003-20240221 | `-- drivers-dax-super.c:warning:Function-parameter-or-member-KABI_RESERVE(-not-described-in-dax_device `-- x86_64-randconfig-002-20240221 `-- drivers-dax-super.c:warning:Function-parameter-or-member-KABI_RESERVE(-not-described-in-dax_device clang_recent_errors |-- arm64-allmodconfig | |-- WARNING:modpost:vmlinux:section-mismatch-in-reference:resctrl_init-(section:.text)-rdtgroup_setup_default-(section:.init.text) | |-- drivers-dax-super.c:warning:Function-parameter-or-member-KABI_RESERVE(-not-described-in-dax_device | |-- drivers-gpu-drm-phytium-pe22_dc.c:warning:no-previous-prototype-for-function-pe22_dc_hw_config_pix_clock | |-- drivers-gpu-drm-phytium-pe22_dc.c:warning:no-previous-prototype-for-function-pe22_dc_hw_fb_format_check | |-- drivers-gpu-drm-phytium-pe22_dc.c:warning:no-previous-prototype-for-function-pe22_dc_hw_plane_get_cursor_format | |-- drivers-gpu-drm-phytium-pe22_dc.c:warning:no-previous-prototype-for-function-pe22_dc_hw_plane_get_primary_format | |-- drivers-gpu-drm-phytium-pe22_dc.c:warning:no-previous-prototype-for-function-pe22_dc_hw_reset | |-- drivers-gpu-drm-phytium-pe22_dc.c:warning:no-previous-prototype-for-function-pe22_dc_hw_update_cursor_hi_addr | |-- drivers-gpu-drm-phytium-pe22_dc.c:warning:no-previous-prototype-for-function-pe22_dc_hw_update_primary_hi_addr | |-- drivers-gpu-drm-phytium-pe22_dc.c:warning:no-previous-prototype-for-function-pe22_dc_hw_vram_init | |-- drivers-gpu-drm-phytium-pe22_dp.c:warning:no-previous-prototype-for-function-pe22_dp_hw_get_source_lane_count | |-- drivers-gpu-drm-phytium-pe22_dp.c:warning:no-previous-prototype-for-function-pe22_dp_hw_reset | |-- drivers-gpu-drm-phytium-pe22_dp.c:warning:no-previous-prototype-for-function-pe22_dp_hw_spread_is_enable | |-- drivers-gpu-drm-phytium-phytium_crtc.c:warning:no-previous-prototype-for-function-phytium_crtc_atomic_destroy_state | |-- drivers-gpu-drm-phytium-phytium_crtc.c:warning:no-previous-prototype-for-function-phytium_crtc_atomic_duplicate_state | |-- drivers-gpu-drm-phytium-phytium_debugfs.c:warning:no-previous-prototype-for-function-phytium_debugfs_connector_add | |-- drivers-gpu-drm-phytium-phytium_debugfs.c:warning:no-previous-prototype-for-function-phytium_debugfs_display_register | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_adjust_link_train_parameter | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_coding_8b10b_need_enable | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_dpcd_sink_dpms | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_encoder_destroy | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_fast_link_train | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_get_link_train_fallback_values | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_hpd_poll_handler | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_hw_config_video | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_hw_disable_input_source | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_hw_disable_output | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_hw_disable_video | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_hw_enable_audio | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_hw_enable_input_source | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_hw_enable_output | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_hw_enable_video | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_hw_hpd_irq_setup | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_hw_init | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_hw_output_is_enable | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_hw_video_is_enable | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_scrambled_need_enable | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_dp_start_link_train | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_encoder_mode_valid | |-- drivers-gpu-drm-phytium-phytium_dp.c:warning:no-previous-prototype-for-function-phytium_get_encoder_crtc_mask | |-- drivers-gpu-drm-phytium-phytium_fbdev.c:warning:no-previous-prototype-for-function-phytium_drm_fbdev_fini | |-- drivers-gpu-drm-phytium-phytium_fbdev.c:warning:no-previous-prototype-for-function-phytium_drm_fbdev_init | |-- drivers-gpu-drm-phytium-phytium_gem.c:warning:no-previous-prototype-for-function-phytium_dma_transfer | |-- drivers-gpu-drm-phytium-phytium_gem.c:warning:no-previous-prototype-for-function-phytium_gem_prime_vmap | |-- drivers-gpu-drm-phytium-phytium_gem.c:warning:no-previous-prototype-for-function-phytium_gem_prime_vunmap | |-- drivers-gpu-drm-phytium-phytium_gem.c:warning:no-previous-prototype-for-function-phytium_memory_pool_alloc | |-- drivers-gpu-drm-phytium-phytium_gem.c:warning:no-previous-prototype-for-function-phytium_memory_pool_free | |-- drivers-gpu-drm-phytium-phytium_panel.c:warning:no-previous-prototype-for-function-phytium_dp_panel_release_backlight_funcs | |-- drivers-gpu-drm-phytium-phytium_pci.c:warning:no-previous-prototype-for-function-phytium_pci_dma_fini | |-- drivers-gpu-drm-phytium-phytium_pci.c:warning:no-previous-prototype-for-function-phytium_pci_dma_init | |-- drivers-gpu-drm-phytium-phytium_pci.c:warning:no-previous-prototype-for-function-phytium_pci_vram_fini | |-- drivers-gpu-drm-phytium-phytium_pci.c:warning:no-previous-prototype-for-function-phytium_pci_vram_hw_init | |-- drivers-gpu-drm-phytium-phytium_pci.c:warning:no-previous-prototype-for-function-phytium_pci_vram_init | |-- drivers-gpu-drm-phytium-phytium_plane.c:warning:no-previous-prototype-for-function-phytium_plane_atomic_destroy_state | |-- drivers-gpu-drm-phytium-phytium_plane.c:warning:no-previous-prototype-for-function-phytium_plane_atomic_duplicate_state | |-- drivers-gpu-drm-phytium-phytium_plane.c:warning:no-previous-prototype-for-function-phytium_plane_atomic_set_property | |-- drivers-gpu-drm-phytium-phytium_plane.c:warning:no-previous-prototype-for-function-phytium_plane_destroy | |-- drivers-gpu-drm-phytium-phytium_platform.c:warning:no-previous-prototype-for-function-phytium_platform_carveout_mem_fini | |-- drivers-gpu-drm-phytium-phytium_platform.c:warning:no-previous-prototype-for-function-phytium_platform_carveout_mem_init | |-- drivers-gpu-drm-phytium-px210_dc.c:warning:no-previous-prototype-for-function-px210_dc_hw_clear_msi_irq | |-- drivers-gpu-drm-phytium-px210_dc.c:warning:no-previous-prototype-for-function-px210_dc_hw_config_pix_clock | |-- drivers-gpu-drm-phytium-px210_dc.c:warning:no-previous-prototype-for-function-px210_dc_hw_disable | |-- drivers-gpu-drm-phytium-px210_dc.c:warning:no-previous-prototype-for-function-px210_dc_hw_fb_format_check | |-- drivers-gpu-drm-phytium-px210_dc.c:warning:no-previous-prototype-for-function-px210_dc_hw_plane_get_cursor_format | |-- drivers-gpu-drm-phytium-px210_dc.c:warning:no-previous-prototype-for-function-px210_dc_hw_plane_get_primary_format | |-- drivers-gpu-drm-phytium-px210_dc.c:warning:no-previous-prototype-for-function-px210_dc_hw_update_dcreq | |-- drivers-gpu-drm-phytium-px210_dc.c:warning:no-previous-prototype-for-function-px210_dc_hw_update_primary_hi_addr | |-- drivers-gpu-drm-phytium-px210_dc.c:warning:no-previous-prototype-for-function-px210_dc_hw_vram_init | |-- drivers-gpu-drm-phytium-px210_dp.c:warning:no-previous-prototype-for-function-px210_dp_hw_get_source_lane_count | |-- drivers-gpu-drm-phytium-px210_dp.c:warning:no-previous-prototype-for-function-px210_dp_hw_reset | |-- drivers-gpu-drm-phytium-px210_dp.c:warning:no-previous-prototype-for-function-px210_dp_hw_spread_is_enable | `-- drivers-iommu-arm-arm-smmu-v3-arm-smmu-v3.c:warning:variable-pre_addr-is-uninitialized-when-used-here |-- x86_64-allyesconfig | |-- arch-x86-crypto-sm3-zhaoxin-gmi.c:warning:no-previous-prototype-for-function-sm3_generic_block_fn | |-- arch-x86-crypto-sm3-zhaoxin-gmi.c:warning:no-previous-prototype-for-function-zx_sm3_finup | |-- arch-x86-crypto-sm3-zhaoxin-gmi.c:warning:no-previous-prototype-for-function-zx_sm3_update | |-- arch-x86-crypto-sm4-zhaoxin-gmi.c:warning:no-previous-prototype-for-function-gmi_sm4_set_key | |-- drivers-dax-super.c:warning:Function-parameter-or-member-KABI_RESERVE(-not-described-in-dax_device | |-- drivers-pinctrl-zhaoxin-pinctrl-zhaoxin.c:warning:variable-base_offset-set-but-not-used | |-- drivers-pinctrl-zhaoxin-pinctrl-zhaoxin.c:warning:variable-pin-set-but-not-used | |-- drivers-pinctrl-zhaoxin-pinctrl-zhaoxin.c:warning:variable-value_back-set-but-not-used | `-- drivers-pinctrl-zhaoxin-pinctrl-zhaoxin.c:warning:variable-value_read-set-but-not-used |-- x86_64-buildonly-randconfig-001-20240221 | |-- drivers-dax-super.c:warning:Function-parameter-or-member-KABI_RESERVE(-not-described-in-dax_device | |-- kernel-sched-core.c:error:call-to-undeclared-function-init_auto_affinity-ISO-C99-and-later-do-not-support-implicit-function-declarations | `-- kernel-sched-core.c:error:call-to-undeclared-function-tg_update_affinity_domains-ISO-C99-and-later-do-not-support-implicit-function-declarations |-- x86_64-buildonly-randconfig-004-20240221 | |-- drivers-dax-super.c:warning:Function-parameter-or-member-KABI_RESERVE(-not-described-in-dax_device | `-- kernel-cgroup-cgroup.c:error:use-of-undeclared-identifier-cgroup_psi_stat_show |-- x86_64-buildonly-randconfig-005-20240221 | |-- WARNING:modpost:vmlinux:section-mismatch-in-reference:resctrl_init-(section:.text)-rdtgroup_setup_default-(section:.init.text) | `-- drivers-dax-super.c:warning:Function-parameter-or-member-KABI_RESERVE(-not-described-in-dax_device `-- x86_64-rhel-8.3-rust `-- drivers-dax-super.c:warning:Function-parameter-or-member-KABI_RESERVE(-not-described-in-dax_device elapsed time: 729m configs tested: 24 configs skipped: 126 tested configs: arm64 allmodconfig clang arm64 allnoconfig gcc arm64 defconfig gcc arm64 randconfig-001-20240221 gcc arm64 randconfig-002-20240221 gcc arm64 randconfig-003-20240221 gcc arm64 randconfig-004-20240221 gcc loongarch allmodconfig gcc loongarch allnoconfig gcc loongarch defconfig gcc loongarch randconfig-001-20240221 gcc loongarch randconfig-002-20240221 gcc x86_64 allnoconfig clang x86_64 allyesconfig clang x86_64 buildonly-randconfig-001-20240221 clang x86_64 buildonly-randconfig-002-20240221 gcc x86_64 buildonly-randconfig-003-20240221 gcc x86_64 buildonly-randconfig-004-20240221 clang x86_64 buildonly-randconfig-005-20240221 clang x86_64 buildonly-randconfig-006-20240221 clang x86_64 defconfig gcc x86_64 randconfig-001-20240221 gcc x86_64 randconfig-002-20240221 gcc x86_64 rhel-8.3-rust clang -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 2385/3300] kernel/cgroup/cgroup.c:3968:15: error: use of undeclared identifier 'cgroup_psi_stat_show'; did you mean 'cgroup_stat_show'?
by kernel test robot 21 Feb '24

21 Feb '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 8d757f9866d24f61f34a4d4639ff0395322c2f5c commit: 4a69b56540f40550585b9f93c35e415ac90bdecc [2385/3300] sched/psi: Introduce pressure.stat in psi config: x86_64-buildonly-randconfig-004-20240221 (https://download.01.org/0day-ci/archive/20240221/202402212124.9Ot7vWp2-lkp@…) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240221/202402212124.9Ot7vWp2-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/202402212124.9Ot7vWp2-lkp@intel.com/ All errors (new ones prefixed by >>): >> kernel/cgroup/cgroup.c:3968:15: error: use of undeclared identifier 'cgroup_psi_stat_show'; did you mean 'cgroup_stat_show'? 3968 | .seq_show = cgroup_psi_stat_show, | ^~~~~~~~~~~~~~~~~~~~ | cgroup_stat_show kernel/cgroup/cgroup.c:3660:12: note: 'cgroup_stat_show' declared here 3660 | static int cgroup_stat_show(struct seq_file *seq, void *v) | ^ 1 error generated. vim +3968 kernel/cgroup/cgroup.c 3929 3930 struct cftype cgroup_v1_psi_files[] = { 3931 { 3932 .name = "io.pressure", 3933 .flags = CFTYPE_NO_PREFIX, 3934 .seq_show = cgroup_io_pressure_show, 3935 .write = cgroup_io_pressure_write, 3936 .poll = cgroup_pressure_poll, 3937 .release = cgroup_pressure_release, 3938 }, 3939 { 3940 .name = "memory.pressure", 3941 .flags = CFTYPE_NO_PREFIX, 3942 .seq_show = cgroup_memory_pressure_show, 3943 .write = cgroup_memory_pressure_write, 3944 .poll = cgroup_pressure_poll, 3945 .release = cgroup_pressure_release, 3946 }, 3947 { 3948 .name = "cpu.pressure", 3949 .flags = CFTYPE_NO_PREFIX, 3950 .seq_show = cgroup_cpu_pressure_show, 3951 .write = cgroup_cpu_pressure_write, 3952 .poll = cgroup_pressure_poll, 3953 .release = cgroup_pressure_release, 3954 }, 3955 #ifdef CONFIG_IRQ_TIME_ACCOUNTING 3956 { 3957 .name = "irq.pressure", 3958 .flags = CFTYPE_NO_PREFIX, 3959 .seq_show = cgroup_irq_pressure_show, 3960 .write = cgroup_irq_pressure_write, 3961 .poll = cgroup_pressure_poll, 3962 .release = cgroup_pressure_release, 3963 }, 3964 #endif 3965 { 3966 .name = "pressure.stat", 3967 .flags = CFTYPE_NO_PREFIX, > 3968 .seq_show = cgroup_psi_stat_show, 3969 }, 3970 { } /* terminate */ 3971 }; 3972 #endif 3973 #else /* CONFIG_PSI */ 3974 bool cgroup_psi_enabled(void) 3975 { 3976 return false; 3977 } 3978 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS] BUILD REGRESSION caea2096c89e8d8cbaffde0d33f3c6d748c4d0c5
by kernel test robot 21 Feb '24

21 Feb '24

tree/branch: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS branch HEAD: caea2096c89e8d8cbaffde0d33f3c6d748c4d0c5 !4601 v2 xen-netback: don't produce zero-size SKB frags Error/Warning reports: https://lore.kernel.org/oe-kbuild-all/202402210911.dCu8im0A-lkp@intel.com Error/Warning: (recently discovered and may have been fixed) aarch64-linux-ld: binfmt_elf32.c:(.text+0x92ac): undefined reference to `elf_core_extra_data_size' aarch64-linux-ld: binfmt_elf32.c:(.text+0x9608): undefined reference to `elf_core_write_extra_phdrs' aarch64-linux-ld: binfmt_elf32.c:(.text+0x9b34): undefined reference to `elf_core_write_extra_data' binfmt_elf32.c:(.text+0x8e0c): undefined reference to `elf_core_extra_phdrs' Error/Warning ids grouped by kconfigs: gcc_recent_errors |-- arm64-allmodconfig | |-- drivers-rtc-rtc-phytium.c:warning:variable-counter-set-but-not-used | |-- drivers-rtc-rtc-phytium.c:warning:variable-rtc_time-set-but-not-used | |-- drivers-rtc-rtc-phytium.c:warning:variable-tmp-set-but-not-used | |-- drivers-scsi-hisi_raid-hiraid_main.c:warning:d-directive-writing-between-and-bytes-into-a-region-of-size | `-- include-asm-generic-bitops-non-atomic.h:warning:array-subscript-long-unsigned-int-is-partly-outside-array-bounds-of-u32-aka-unsigned-int |-- arm64-randconfig-001-20240220 | |-- aarch64-linux-ld:binfmt_elf32.c:(.text):undefined-reference-to-elf_core_extra_data_size | |-- aarch64-linux-ld:binfmt_elf32.c:(.text):undefined-reference-to-elf_core_write_extra_data | |-- aarch64-linux-ld:binfmt_elf32.c:(.text):undefined-reference-to-elf_core_write_extra_phdrs | `-- binfmt_elf32.c:(.text):undefined-reference-to-elf_core_extra_phdrs |-- arm64-randconfig-002-20240220 | |-- arch-arm64-include-asm-irqflags.h:warning:flags-may-be-used-uninitialized | |-- drivers-iommu-arm-smmu-v3.c:error:CONFIG_CMA_ALIGNMENT-undeclared-(first-use-in-this-function) | |-- drivers-staging-gmjstcm-tcm_tis_spi.c:warning:inten-may-be-used-uninitialized | |-- drivers-staging-gmjstcm-tcm_tis_spi.c:warning:tcm_tis_spi_acpi_match-defined-but-not-used | |-- drivers-staging-gmjstcm-tcm_tis_spi.c:warning:vendor-may-be-used-uninitialized | |-- include-linux-kernel.h:error:first-argument-to-__builtin_choose_expr-not-a-constant | |-- include-linux-uaccess.h:warning:bind-may-be-used-uninitialized | `-- include-linux-uaccess.h:warning:ciov-may-be-used-uninitialized |-- arm64-randconfig-004-20240220 | `-- arch-arm64-kvm-..-..-..-virt-kvm-arm-arm.c:error:struct-sched_info-has-no-member-named-run_delay |-- x86_64-defconfig | |-- arch-x86-entry-entry_64.o:warning:objtool:.entry.text:unsupported-intra-function-call | `-- arch-x86-entry-entry_64.o:warning:objtool:If-this-is-a-retpoline-please-patch-it-in-with-alternatives-and-annotate-it-with-ANNOTATE_NOSPEC_ALTERNATIVE. `-- x86_64-randconfig-123-20240220 |-- arch-x86-entry-entry_64.o:warning:objtool:.entry.text:unsupported-intra-function-call |-- arch-x86-kernel-fpu-signal.c:sparse:sparse:incorrect-type-in-argument-(different-address-spaces)-expected-void-const-volatile-noderef-__user-ptr-got-unsigned-int-usertype-__pu_ptr |-- block-blk-cgroup.c:sparse:sparse:incompatible-types-in-comparison-expression-(different-address-spaces): |-- drivers-pci-probe.c:sparse:sparse:symbol-skip_1620_bus_num-was-not-declared.-Should-it-be-static |-- include-linux-prandom.h:sparse:sparse:cast-truncates-bits-from-constant-value-(4f2e5357408c3c09-becomes-408c3c09) |-- kernel-sched-core.c:sparse:sparse:symbol-account_irqtime_to_task-was-not-declared.-Should-it-be-static `-- mm-memory.c:sparse:sparse:Using-plain-integer-as-NULL-pointer clang_recent_errors |-- x86_64-allmodconfig | |-- drivers-net-ethernet-3snic-sssnic-hw-.tmp_sss_hwif_export.o:warning:objtool:missing-symbol-for-section-.text | |-- drivers-net-ethernet-3snic-sssnic-nic-.tmp_sss_nic_ethtool_stats.o:warning:objtool:sss_nic_get_sset_count:can-t-find-switch-jump-table | `-- drivers-net-ethernet-3snic-sssnic-nic-.tmp_sss_nic_main.o:warning:objtool:sss_nic_event:can-t-find-switch-jump-table |-- x86_64-allnoconfig | `-- arch-x86-entry-entry_64.o:warning:objtool:.entry.text:unsupported-intra-function-call |-- x86_64-allyesconfig | |-- drivers-net-ethernet-3snic-sssnic-hw-.tmp_sss_hwif_export.o:warning:objtool:missing-symbol-for-section-.text | |-- drivers-net-ethernet-3snic-sssnic-nic-.tmp_sss_nic_ethtool_stats.o:warning:objtool:sss_nic_get_sset_count:can-t-find-switch-jump-table | `-- drivers-net-ethernet-3snic-sssnic-nic-.tmp_sss_nic_main.o:warning:objtool:sss_nic_event:can-t-find-switch-jump-table |-- x86_64-randconfig-121-20240220 | |-- arch-x86-entry-entry_64.o:warning:objtool:.entry.text:unsupported-intra-function-call | |-- arch-x86-kernel-fpu-signal.c:sparse:sparse:incorrect-type-in-argument-(different-address-spaces)-expected-void-const-volatile-noderef-__user-ptr-got-unsigned-int-usertype-__pu_ptr | |-- drivers-cpufreq-cpufreq_governor.c:sparse:sparse:symbol-cpus_for_counting_load-was-not-declared.-Should-it-be-static | |-- drivers-pci-probe.c:sparse:sparse:symbol-skip_1620_bus_num-was-not-declared.-Should-it-be-static | |-- kernel-sched-core.c:error:implicit-declaration-of-function-init_auto_affinity-Werror-Wimplicit-function-declaration | |-- kernel-sched-core.c:error:implicit-declaration-of-function-tg_update_affinity_domains-Werror-Wimplicit-function-declaration | |-- kernel-sched-core.c:error:use-of-undeclared-identifier-root_task_group | |-- kernel-sched-core.c:sparse:sparse:symbol-account_irqtime_to_task-was-not-declared.-Should-it-be-static | |-- mm-memory.c:sparse:sparse:Using-plain-integer-as-NULL-pointer | |-- net-ipv4-tcp_metrics.o:warning:objtool:tcp_metrics_nl_cmd_del-falls-through-to-next-function-tcp_metrics_fill_info() | `-- net-ipv4-tcp_metrics.o:warning:objtool:tcp_metrics_nl_cmd_get-falls-through-to-next-function-tcp_metrics_nl_dump() |-- x86_64-randconfig-122-20240220 | |-- arch-x86-entry-entry_64.o:warning:objtool:.entry.text:unsupported-intra-function-call | |-- arch-x86-entry-entry_64.o:warning:objtool:If-this-is-a-retpoline-please-patch-it-in-with-alternatives-and-annotate-it-with-ANNOTATE_NOSPEC_ALTERNATIVE. | |-- arch-x86-kernel-fpu-signal.c:sparse:sparse:incorrect-type-in-argument-(different-address-spaces)-expected-void-const-volatile-noderef-__user-ptr-got-unsigned-int-usertype-__pu_ptr | |-- drivers-iommu-iommu.c:sparse:sparse:dubious:x-y | |-- drivers-pci-probe.c:sparse:sparse:symbol-skip_1620_bus_num-was-not-declared.-Should-it-be-static | |-- drivers-scsi-sd.c:sparse:sparse:incorrect-type-in-return-expression-(different-base-types)-expected-int-got-restricted-blk_status_t-usertype | |-- drivers-vfio-vfio_iommu_type1.c:sparse:sparse:incorrect-type-in-argument-(different-address-spaces)-expected-void-noderef-__user-assigned-arg-got-void | |-- include-linux-prandom.h:sparse:sparse:cast-truncates-bits-from-constant-value-(4f2e5357408c3c09-becomes-408c3c09) | |-- kernel-sched-core.c:sparse:sparse:symbol-account_irqtime_to_task-was-not-declared.-Should-it-be-static | |-- kernel-trace-bpf_trace.c:sparse:sparse:symbol-bpf_event_init-was-not-declared.-Should-it-be-static | |-- kernel-trace-bpf_trace.c:sparse:sparse:symbol-bpf_event_notify-was-not-declared.-Should-it-be-static | |-- mm-memory.c:sparse:sparse:Using-plain-integer-as-NULL-pointer | |-- net-ipv4-tcp_metrics.o:warning:objtool:tcp_metrics_nl_cmd_del-falls-through-to-next-function-tcp_metrics_fill_info() | `-- net-ipv4-tcp_metrics.o:warning:objtool:tcp_metrics_nl_cmd_get-falls-through-to-next-function-tcp_metrics_nl_dump() |-- x86_64-randconfig-161-20240220 | |-- arch-x86-entry-entry_64.o:warning:objtool:.entry.text:unsupported-intra-function-call | |-- arch-x86-entry-entry_64.o:warning:objtool:If-this-is-a-retpoline-please-patch-it-in-with-alternatives-and-annotate-it-with-ANNOTATE_NOSPEC_ALTERNATIVE. | |-- net-ipv4-tcp_metrics.o:warning:objtool:tcp_metrics_nl_cmd_del-falls-through-to-next-function-tcp_metrics_fill_info() | `-- net-ipv4-tcp_metrics.o:warning:objtool:tcp_metrics_nl_cmd_get-falls-through-to-next-function-tcp_metrics_nl_dump() `-- x86_64-rhel-8.3-rust `-- arch-x86-entry-entry_64.o:warning:objtool:.entry.text:unsupported-intra-function-call elapsed time: 1451m configs tested: 31 configs skipped: 142 tested configs: alpha allnoconfig gcc alpha allyesconfig gcc alpha defconfig gcc arc allnoconfig gcc arc defconfig gcc arm allnoconfig gcc arm defconfig gcc arm64 allmodconfig gcc arm64 allnoconfig gcc arm64 defconfig gcc arm64 randconfig-001-20240220 gcc arm64 randconfig-002-20240220 gcc arm64 randconfig-003-20240220 gcc arm64 randconfig-004-20240220 gcc csky allnoconfig gcc csky defconfig gcc loongarch allnoconfig gcc loongarch defconfig gcc m68k allnoconfig gcc m68k defconfig gcc microblaze allnoconfig gcc microblaze defconfig gcc mips allnoconfig gcc nios2 allnoconfig gcc nios2 defconfig gcc um allmodconfig gcc um allyesconfig gcc x86_64 allnoconfig clang x86_64 allyesconfig clang x86_64 defconfig gcc x86_64 rhel-8.3-rust clang -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[PATCH OLK-6.6 0/2] Using smmu IIDR registers
by Zhang Zekun 21 Feb '24

21 Feb '24

Using the smmu registers to identify the problem described in commit 8544c8e14fec ("iommu/arm-smmu-v3: Add a SYNC command to avoid broken page table prefetch") Zhang Zekun (2): Revert "iommu/arm-smmu-v3: Add a SYNC command to avoid broken page table prefetch" iommu/arm-smmu-v3: Enable iotlb_sync_map according to SMMU_IIDR Documentation/arch/arm64/silicon-errata.rst | 1 + arch/arm64/Kconfig | 11 +++++------ arch/arm64/kernel/cpu_errata.c | 14 -------------- arch/arm64/tools/cpucaps | 1 - drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 13 ++++++++++--- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 1 + 6 files changed, 17 insertions(+), 24 deletions(-) -- 2.17.1

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openEuler Kernel SIG双周例会
by openEuler conference 21 Feb '24

21 Feb '24

您好！ Kernel 邀请您参加 2024-02-23 14:00 召开的WeLink会议(自动录制) 会议主题：openEuler Kernel SIG双周例会会议内容： 1. 进展update 2. 议题征集中（新增议题可回复邮件或填至会议看板）会议链接：https://bmeeting.huaweicloud.com:36443/#/j/980795271 会议纪要：https://etherpad.openeuler.org/p/Kernel-meetings 更多资讯尽在：https://www.openeuler.org/zh/ Hello! Kernel invites you to attend the WeLink conference(auto recording) will be held at 2024-02-23 14:00, The subject of the conference is openEuler Kernel SIG双周例会, Summary: 1. 进展update 2. 议题征集中（新增议题可回复邮件或填至会议看板） You can join the meeting at https://bmeeting.huaweicloud.com:36443/#/j/980795271. Add topics at https://etherpad.openeuler.org/p/Kernel-meetings. More information: https://www.openeuler.org/en/

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[PATCH OLK-6.6] f2fs: explicitly null-terminate the xattr list
by Zizhi Wo 21 Feb '24

21 Feb '24

From: Eric Biggers <ebiggers(a)google.com> mainline inclusion from mainline-v6.8-rc1 commit e26b6d39270f5eab0087453d9b544189a38c8564 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I92HXW CVE: CVE-2023-52436 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- When setting an xattr, explicitly null-terminate the xattr list. This eliminates the fragile assumption that the unused xattr space is always zeroed. Signed-off-by: Eric Biggers <ebiggers(a)google.com> Reviewed-by: Chao Yu <chao(a)kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk(a)kernel.org> Signed-off-by: Zizhi Wo <wozizhi(a)huawei.com> --- fs/f2fs/xattr.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index 465d145360de..e197657db36b 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -754,6 +754,12 @@ static int __f2fs_setxattr(struct inode *inode, int index, memcpy(pval, value, size); last->e_value_size = cpu_to_le16(size); new_hsize += newsize; + /* + * Explicitly add the null terminator. The unused xattr space + * is supposed to always be zeroed, which would make this + * unnecessary, but don't depend on that. + */ + *(u32 *)((u8 *)last + newsize) = 0; } error = write_all_xattrs(inode, new_hsize, base_addr, ipage); -- 2.39.2

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[PATCH OLK-5.10] f2fs: explicitly null-terminate the xattr list
by Zizhi Wo 21 Feb '24

21 Feb '24

From: Eric Biggers <ebiggers(a)google.com> mainline inclusion from mainline-v6.8-rc1 commit e26b6d39270f5eab0087453d9b544189a38c8564 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I92HXW CVE: CVE-2023-52436 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- When setting an xattr, explicitly null-terminate the xattr list. This eliminates the fragile assumption that the unused xattr space is always zeroed. Signed-off-by: Eric Biggers <ebiggers(a)google.com> Reviewed-by: Chao Yu <chao(a)kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk(a)kernel.org> Signed-off-by: Zizhi Wo <wozizhi(a)huawei.com> --- fs/f2fs/xattr.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index f44c60114379..dd50b747b671 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -741,6 +741,12 @@ static int __f2fs_setxattr(struct inode *inode, int index, memcpy(pval, value, size); last->e_value_size = cpu_to_le16(size); new_hsize += newsize; + /* + * Explicitly add the null terminator. The unused xattr space + * is supposed to always be zeroed, which would make this + * unnecessary, but don't depend on that. + */ + *(u32 *)((u8 *)last + newsize) = 0; } error = write_all_xattrs(inode, new_hsize, base_addr, ipage); -- 2.39.2

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