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[PATCH OLK-6.6 0/2] Introduce a config to bypass i_version detection for Overlayfs
by Xiang Yang 05 Jun '24

05 Jun '24

GUO Zihua (1): IMA: Introduce a config to bypass i_version detection for Overlayfs issue Xiang Yang (1): config: Enable CONFIG_IMA_OVERLAYFS_DETECTION_BYPASS in openeuler defconfigs arch/arm64/configs/openeuler_defconfig | 1 + arch/x86/configs/openeuler_defconfig | 1 + security/integrity/ima/Kconfig | 8 ++++++++ security/integrity/ima/ima_main.c | 6 ++++++ 4 files changed, 16 insertions(+) -- 2.34.1

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[PATCH OLK-5.10] fs/9p: only translate RWX permissions for plain 9P2000
by Ye Bin 05 Jun '24

05 Jun '24

From: Joakim Sindholt <opensource(a)zhasha.com> mainline inclusion from mainline-v6.9-rc5 commit cd25e15e57e68a6b18dc9323047fe9c68b99290b category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I9UNVB CVE: CVE-2024-36964 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- Garbage in plain 9P2000's perm bits is allowed through, which causes it to be able to set (among others) the suid bit. This was presumably not the intent since the unix extended bits are handled explicitly and conditionally on .u. Signed-off-by: Joakim Sindholt <opensource(a)zhasha.com> Signed-off-by: Eric Van Hensbergen <ericvh(a)kernel.org> Signed-off-by: Ye Bin <yebin(a)huaweicloud.com> --- fs/9p/vfs_inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 0791480bf922..88ca5015f987 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -86,7 +86,7 @@ static int p9mode2perm(struct v9fs_session_info *v9ses, int res; int mode = stat->mode; - res = mode & S_IALLUGO; + res = mode & 0777; /* S_IRWXUGO */ if (v9fs_proto_dotu(v9ses)) { if ((mode & P9_DMSETUID) == P9_DMSETUID) res |= S_ISUID; -- 2.31.1

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[PATCH openEuler-22.03-LTS-SP1] fs/9p: only translate RWX permissions for plain 9P2000
by Ye Bin 05 Jun '24

05 Jun '24

From: Joakim Sindholt <opensource(a)zhasha.com> mainline inclusion from mainline-v6.9-rc5 commit cd25e15e57e68a6b18dc9323047fe9c68b99290b category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I9UNVB CVE: CVE-2024-36964 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- Garbage in plain 9P2000's perm bits is allowed through, which causes it to be able to set (among others) the suid bit. This was presumably not the intent since the unix extended bits are handled explicitly and conditionally on .u. Signed-off-by: Joakim Sindholt <opensource(a)zhasha.com> Signed-off-by: Eric Van Hensbergen <ericvh(a)kernel.org> Signed-off-by: Ye Bin <yebin(a)huaweicloud.com> --- fs/9p/vfs_inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 0791480bf922..88ca5015f987 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -86,7 +86,7 @@ static int p9mode2perm(struct v9fs_session_info *v9ses, int res; int mode = stat->mode; - res = mode & S_IALLUGO; + res = mode & 0777; /* S_IRWXUGO */ if (v9fs_proto_dotu(v9ses)) { if ((mode & P9_DMSETUID) == P9_DMSETUID) res |= S_ISUID; -- 2.31.1

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[openeuler:OLK-5.10] BUILD SUCCESS 623051c7a196918c47597b7eb12c2122d446f21d
by kernel test robot 05 Jun '24

05 Jun '24

tree/branch: https://gitee.com/openeuler/kernel.git OLK-5.10 branch HEAD: 623051c7a196918c47597b7eb12c2122d446f21d !7803 v2 selinux: avoid dereference of garbage after mount failure Warning ids grouped by kconfigs: clang_recent_errors |-- arm64-allyesconfig | |-- Documentation-devicetree-bindings-iio-addac-adi-ad74413r.yaml:channel:Missing-additionalProperties-unevaluatedProperties-constraint | `-- Documentation-devicetree-bindings-sound-amlogic-gx-sound-card.yaml:codec(-):Missing-additionalProperties-unevaluatedProperties-constraint `-- x86_64-allnoconfig |-- drivers-net-ethernet-yunsilicon-xsc-net-main.c:common-qp.h-is-included-more-than-once. |-- drivers-ub-urma-ubcore-ubcore_cdev_file.c:linux-version.h-not-needed. |-- drivers-ub-urma-ubcore-ubcore_device.c:linux-version.h-not-needed. |-- drivers-ub-urma-ubcore-ubcore_genl.c:linux-version.h-not-needed. |-- drivers-ub-urma-ubcore-ubcore_genl_admin.c:linux-version.h-not-needed. |-- drivers-ub-urma-ubcore-ubcore_uvs_cmd.c:ubcore_device.h-is-included-more-than-once. `-- drivers-ub-urma-uburma-uburma_mmap.c:linux-version.h-not-needed. elapsed time: 778m configs tested: 35 configs skipped: 150 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-001-20240605 gcc arm64 randconfig-002-20240605 clang arm64 randconfig-003-20240605 clang arm64 randconfig-004-20240605 clang x86_64 allnoconfig clang x86_64 allyesconfig clang x86_64 buildonly-randconfig-001-20240605 gcc x86_64 buildonly-randconfig-002-20240605 gcc x86_64 buildonly-randconfig-003-20240605 gcc x86_64 buildonly-randconfig-004-20240605 clang x86_64 buildonly-randconfig-005-20240605 clang x86_64 buildonly-randconfig-006-20240605 clang x86_64 defconfig gcc x86_64 randconfig-001-20240605 clang x86_64 randconfig-002-20240605 clang x86_64 randconfig-003-20240605 gcc x86_64 randconfig-004-20240605 clang x86_64 randconfig-005-20240605 clang x86_64 randconfig-006-20240605 gcc x86_64 randconfig-011-20240605 clang x86_64 randconfig-012-20240605 gcc x86_64 randconfig-013-20240605 clang x86_64 randconfig-014-20240605 gcc x86_64 randconfig-015-20240605 clang x86_64 randconfig-016-20240605 gcc x86_64 randconfig-071-20240605 gcc x86_64 randconfig-072-20240605 clang x86_64 randconfig-073-20240605 gcc x86_64 randconfig-074-20240605 gcc x86_64 randconfig-075-20240605 gcc x86_64 randconfig-076-20240605 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] LoongArch: fix HT RX INT TRANS register not initialized
by Hongchen Zhang 05 Jun '24

05 Jun '24

LoongArch inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I9V21T CVE: NA ------------------------------------------------------------------ When we boot Loongson-TC542F0 3C5000 4-Node dual bridge machine, boot failed with no root partition found. The reason is HT RX INT TRANS register not initialized, So we initialize it. Fixes: db5bb24abc8d ("LoongArch: Old BPI compatibility") Reported-by: Qianwen Li <liqianwen(a)loongson.cn> Signed-off-by: Hongchen Zhang <zhanghongchen(a)loongson.cn> --- arch/loongarch/kernel/irq.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/loongarch/kernel/irq.c b/arch/loongarch/kernel/irq.c index 8b21449a7092..a2f6ce3061f3 100644 --- a/arch/loongarch/kernel/irq.c +++ b/arch/loongarch/kernel/irq.c @@ -127,6 +127,13 @@ void __init init_IRQ(void) int i, ret; unsigned int order = get_order(IRQ_STACK_SIZE); struct page *page; + unsigned long node; + + if (!acpi_gbl_reduced_hardware) { + for_each_node(node) + writel(0x40000000 | (node << 12), + (volatile void __iomem *)(0x80000efdfb000274UL + (node<<44))); + } clear_csr_ecfg(ECFG0_IM); clear_csr_estat(ESTATF_IP); -- 2.33.0

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[PATCH openEuler-1.0-LTS 0/2] CVE-2024-35896
by Liu Jian 05 Jun '24

05 Jun '24

CVE-2024-35896 Eric Dumazet (2): netfilter: validate user input for expected length netfilter: complete validation of user input net/bridge/netfilter/ebtables.c | 6 ++++++ net/ipv4/netfilter/arp_tables.c | 8 ++++++++ net/ipv4/netfilter/ip_tables.c | 8 ++++++++ net/ipv6/netfilter/ip6_tables.c | 8 ++++++++ 4 files changed, 30 insertions(+) -- 2.34.1

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[PATCH openEuler-22.03-LTS-SP1 0/2] CVE-2024-35896
by Liu Jian 05 Jun '24

05 Jun '24

CVE-2024-35896 Eric Dumazet (2): netfilter: validate user input for expected length netfilter: complete validation of user input net/bridge/netfilter/ebtables.c | 6 ++++++ net/ipv4/netfilter/arp_tables.c | 8 ++++++++ net/ipv4/netfilter/ip_tables.c | 8 ++++++++ net/ipv6/netfilter/ip6_tables.c | 8 ++++++++ 4 files changed, 30 insertions(+) -- 2.34.1

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[PATCH OLK-5.10 0/2] CVE-2024-35896
by Liu Jian 05 Jun '24

05 Jun '24

CVE-2024-35896 Eric Dumazet (2): netfilter: validate user input for expected length netfilter: complete validation of user input net/bridge/netfilter/ebtables.c | 6 ++++++ net/ipv4/netfilter/arp_tables.c | 8 ++++++++ net/ipv4/netfilter/ip_tables.c | 8 ++++++++ net/ipv6/netfilter/ip6_tables.c | 8 ++++++++ 4 files changed, 30 insertions(+) -- 2.34.1

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[PATCH OLK-6.6] IMA: Introduce a config to bypass i_version detection for Overlayfs issue
by Xiang Yang 04 Jun '24

04 Jun '24

From: GUO Zihua <guozihua(a)huawei.com> hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I9V12H CVE: NA -------------------------------- IMA detect the backing inode changes through i_version of the backing inode would introduce a performance degrade, so introduce a config to allow users to bypass the i_version detection or not. Signed-off-by: GUO Zihua <guozihua(a)huawei.com> Signed-off-by: Xiang Yang <xiangyang3(a)huawei.com> --- security/integrity/ima/Kconfig | 8 ++++++++ security/integrity/ima/ima_main.c | 6 ++++++ 2 files changed, 14 insertions(+) diff --git a/security/integrity/ima/Kconfig b/security/integrity/ima/Kconfig index 46cb469e06ab..9d920d3ff4f0 100644 --- a/security/integrity/ima/Kconfig +++ b/security/integrity/ima/Kconfig @@ -368,4 +368,12 @@ config IMA_PARSER_BINARY_PATH help This option defines the path of the parser binary. +config IMA_OVERLAYFS_DETECTION_BYPASS + bool "Bypass overlayfs backing inode change detection" + default n + help + This option enables user to bypass the overlayfs backing inode + change detection, while the detection may causes performance + regression. With this config enabled, IMA will not detect inode + change through i_version of the backing inode. If unsure, say N. endif diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c index d29dc604e1d3..9b251ecfa7c2 100644 --- a/security/integrity/ima/ima_main.c +++ b/security/integrity/ima/ima_main.c @@ -282,7 +282,11 @@ static int process_measurement(struct file *file, const struct cred *cred, u32 secid, char *buf, loff_t size, int mask, enum ima_hooks func) { +#ifndef CONFIG_IMA_OVERLAYFS_DETECTION_BYPASS struct inode *backing_inode, *inode = file_inode(file); +#else + struct inode *inode = file_inode(file); +#endif struct integrity_iint_cache *iint = NULL; struct ima_template_desc *template_desc = NULL; char *pathbuf = NULL; @@ -362,6 +366,7 @@ static int process_measurement(struct file *file, const struct cred *cred, iint->measured_pcrs = 0; } +#ifndef CONFIG_IMA_OVERLAYFS_DETECTION_BYPASS /* Detect and re-evaluate changes made to the backing file. */ backing_inode = d_real_inode(file_dentry(file)); if (backing_inode != inode && @@ -374,6 +379,7 @@ static int process_measurement(struct file *file, const struct cred *cred, iint->measured_pcrs = 0; } } +#endif /* Determine if already appraised/measured based on bitmask * (IMA_MEASURE, IMA_MEASURED, IMA_XXXX_APPRAISE, IMA_XXXX_APPRAISED, -- 2.34.1

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[PATCH OLK-5.10 v8 00/11] Memory access profiler(SPE) driven NUMA balancing
by Ze Zuo 04 Jun '24

04 Jun '24

Hi, In Arm processors, there is a hardware PMU (Performance Monitoring Unit) facility called Statistical Profiling Extension (SPE) that can gather memory access metrics. In this patchset, SPE is exploited as an access information sampling approach to drive NUMA balancing. This sampling approach is introducedto replace the method based on address space scanning and hint faults with the access information provided by the hardware. With this, it is no longer necessary for NUMA balancing to scan over the address space periodically and rely on task-to-page association built by NUMA hint faults. Instead, the access samples obtained from hardware PMU are fed to NUMA balancing as equivalents to page fault. Except for the replaced sampling approach, the rest of the NUMA balancing policy is retained to do pages and tasks migrations according to the samples. Profiling based on SPE is an valid alternative sampling approach in NUMA balancing for the optimal page and task placement. This can be also extended to other architectures as long as there is a hardware PMU that supports memory access profiling. An abstract layer mem_sampling is introduced to reserve support for other kernel features and different types of hardware PMU. To help evaluate performance of this approach in system, syctl interfaces are added to enable/disable hardware mem sampling. NUMA balancing sampling approach can be also switched back to hint-faults- based approach dynamically. TODOs Currently, SPE for NUMA balance does not support PMD-level page migration, but it will be supported in later version. Changes since v7: -- rename CONFIG_ARM_SPE to CONFIG_ARM_SPE_MEM_SAMPLING. -- clean code on patch 8. Changes since v6: -- clean code on spe.c, arm_spe_pmu.c. Changes since v5: -- Modify perf and mem_sampling compatibility logic. -- Introduce cmdline mem_sampling_on to use mem_sampling. Changes since v4: -- some patch check warning fixs, no functional change. Changes since v3: -- some clean code, no functional change. Changes since v2: -- clean code and commit fixs, no functional change. Changes since v1: -- clean code, no functional change. Ze Zuo (11): drivers/arm/spe: In-kernel SPE driver for page access profiling mm: Add PMU based memory sampling abstract layer mm/mem_sampling.c: Add controlling interface for mem_sampling sched: Enable per-process mem_sampling from sched switch path mm/mem_sampling.c: Drive NUMA balancing via mem_sampling access data mm/mem_sampling.c: Add controlling interface for mem_sampling on numa balance tracing, numa balance: add trace events for numa data caused by mem_sampling driver/arm/spe: making mem_sampling and perf mutually exclusive with spe driver tracing, mem-sampling-sample: Adding tracking events to hardware-sampled page access samples/bpf: Add program for memory access by spe config: Enable memory sampling based pmu for numa balance by default arch/arm64/configs/openeuler_defconfig | 3 + drivers/Kconfig | 2 + drivers/Makefile | 1 + drivers/arm/Kconfig | 2 + drivers/arm/spe/Kconfig | 10 + drivers/arm/spe/Makefile | 2 + drivers/arm/spe/spe-decoder/Makefile | 2 + drivers/arm/spe/spe-decoder/arm-spe-decoder.c | 213 +++++ drivers/arm/spe/spe-decoder/arm-spe-decoder.h | 74 ++ .../arm/spe/spe-decoder/arm-spe-pkt-decoder.c | 227 +++++ .../arm/spe/spe-decoder/arm-spe-pkt-decoder.h | 153 ++++ drivers/arm/spe/spe.c | 805 ++++++++++++++++++ drivers/arm/spe/spe.h | 120 +++ drivers/perf/arm_pmu_acpi.c | 2 +- drivers/perf/arm_spe_pmu.c | 6 + include/linux/mem_sampling.h | 109 +++ include/trace/events/kmem.h | 80 ++ kernel/sched/core.c | 2 + kernel/sched/fair.c | 11 + mm/Kconfig | 24 + mm/Makefile | 1 + mm/mem_sampling.c | 477 +++++++++++ samples/bpf/spe/Makefile | 26 + samples/bpf/spe/Makefile.arch | 47 + samples/bpf/spe/README.md | 0 samples/bpf/spe/spe-record.bpf.c | 40 + samples/bpf/spe/spe-record.h | 47 + samples/bpf/spe/spe-record.user.c | 116 +++ 28 files changed, 2601 insertions(+), 1 deletion(-) create mode 100644 drivers/arm/Kconfig create mode 100644 drivers/arm/spe/Kconfig create mode 100644 drivers/arm/spe/Makefile create mode 100644 drivers/arm/spe/spe-decoder/Makefile create mode 100644 drivers/arm/spe/spe-decoder/arm-spe-decoder.c create mode 100644 drivers/arm/spe/spe-decoder/arm-spe-decoder.h create mode 100644 drivers/arm/spe/spe-decoder/arm-spe-pkt-decoder.c create mode 100644 drivers/arm/spe/spe-decoder/arm-spe-pkt-decoder.h create mode 100644 drivers/arm/spe/spe.c create mode 100644 drivers/arm/spe/spe.h create mode 100644 include/linux/mem_sampling.h create mode 100644 mm/mem_sampling.c create mode 100644 samples/bpf/spe/Makefile create mode 100644 samples/bpf/spe/Makefile.arch create mode 100644 samples/bpf/spe/README.md create mode 100644 samples/bpf/spe/spe-record.bpf.c create mode 100644 samples/bpf/spe/spe-record.h create mode 100644 samples/bpf/spe/spe-record.user.c -- 2.33.0

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