October 2024 - Kernel - mailweb.openeuler.org

[PATCH OLK-5.10 V1] sched/debug: Fix h_nr_running/steal_h_nr_running in sched_debug
by Cheng Yu 11 Oct '24

11 Oct '24

hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAWDPS ----------------------------------------- It would be more practical to put the statistics of h_nr_running and steal_h_nr_running in the per-cpu column. Fixes: 1f9456c873b7 ("sched/debug: Add h_nr_running/steal_h_nr_running in sched_debug") Signed-off-by: Cheng Yu <serein.chengyu(a)huawei.com> --- kernel/sched/debug.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index ff2d6dc59c14..4275398bc713 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -594,11 +594,6 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) SEQ_printf(m, " .%-30s: %d\n", "nr_spread_over", cfs_rq->nr_spread_over); SEQ_printf(m, " .%-30s: %d\n", "nr_running", cfs_rq->nr_running); -#ifdef CONFIG_SCHED_STEAL - SEQ_printf(m, " .%-30s: %d\n", "h_nr_running", cfs_rq->h_nr_running); - SEQ_printf(m, " .%-30s: %ld\n", "steal_h_nr_running", - cfs_rq->steal_h_nr_running); -#endif SEQ_printf(m, " .%-30s: %ld\n", "load", cfs_rq->load.weight); #ifdef CONFIG_SMP SEQ_printf(m, " .%-30s: %lu\n", "load_avg", @@ -714,6 +709,11 @@ do { \ SEQ_printf(m, " .%-30s: %Ld.%06ld\n", #x, SPLIT_NS(rq->x)) P(nr_running); +#ifdef CONFIG_SCHED_STEAL + SEQ_printf(m, " .%-30s: %d\n", "h_nr_running", rq->cfs.h_nr_running); + SEQ_printf(m, " .%-30s: %ld\n", "steal_h_nr_running", + rq->cfs.steal_h_nr_running); +#endif P(nr_switches); P(nr_uninterruptible); PN(next_balance); -- 2.25.1

2 1

[PATCH OLK-5.10 0/2] Fix CVE-2024-46826
by Gu Bowen 11 Oct '24

11 Oct '24

Fix CVE-2024-46826 Alexey Dobriyan (1): ELF: fix kernel.randomize_va_space double read Gu Bowen (1): ELF: Fix mixed declarations and code of "snapshot_randomize_va_space" fs/binfmt_elf.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) -- 2.25.1

2 3

[openeuler:openEuler-1.0-LTS 20512/23827] drivers/md/md.o: warning: objtool: md_seq_show()+0x1087: unreachable instruction
by kernel test robot 11 Oct '24

11 Oct '24

Hi Logan, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 9b2f1457c730cd7915663ac5d9ccb849f2657714 commit: a89f484219c9ea217d26908f16037d1ab55d4f17 [20512/23827] md: Ensure resync is reported after it starts config: x86_64-randconfig-001-20241011 (https://download.01.org/0day-ci/archive/20241011/202410111657.HXras3Wj-lkp@…) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241011/202410111657.HXras3Wj-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/202410111657.HXras3Wj-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/md/md.c:49: In file included from include/linux/blkdev.h:16: include/linux/pagemap.h:425:21: warning: cast from 'int (*)(struct file *, struct page *)' to 'filler_t *' (aka 'int (*)(void *, struct page *)') converts to incompatible function type [-Wcast-function-type-strict] 425 | filler_t *filler = (filler_t *)mapping->a_ops->readpage; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/md/md.c:320:6: warning: variable 'cpu' set but not used [-Wunused-but-set-variable] 320 | int cpu; | ^ drivers/md/md.c:2231:24: warning: variable 'bi_rdev' set but not used [-Wunused-but-set-variable] 2231 | struct blk_integrity *bi_rdev; | ^ 3 warnings generated. >> drivers/md/md.o: warning: objtool: md_seq_show()+0x1087: unreachable instruction -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH OLK-5.10 V1 0/2] bugfix for cgroup steal task
by Cheng Yu 11 Oct '24

11 Oct '24

bugfix for cgroup steal task Cheng Yu (2): sched/fair: Fix the condition in overload_clear sched/debug: Fix h_nr_running/steal_h_nr_running in sched_debug kernel/sched/debug.c | 10 +++++----- kernel/sched/fair.c | 7 +++---- 2 files changed, 8 insertions(+), 9 deletions(-) -- 2.25.1

2 3

[PATCH OLK-5.10 V1 1/2] sched/fair: Fix the condition in overload_clear
by Cheng Yu 11 Oct '24

11 Oct '24

hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAQWPQ ----------------------------------------- In the overload_clear function, there is a bug when setting the overload_cpus, that is, when the steal_task feature is globally enabled and rq->cfs.h_nr_running is less than 2, the need_clear should be set to true. Fixes: 433c0b725642 ("sched/fair: Count the number of tasks marked as steal_task on cfs_rq") Signed-off-by: Cheng Yu <serein.chengyu(a)huawei.com> --- kernel/sched/fair.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 38841d1d640a..a518d636f07f 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4492,11 +4492,10 @@ static void overload_clear(struct rq *rq) if (!steal_enabled()) return; - if (!group_steal_used() && rq->cfs.h_nr_running >= 2) - return; + if (rq->cfs.h_nr_running < 2) + need_clear = true; - if (group_steal_used() && - (rq->cfs.h_nr_running < 2 || rq->cfs.steal_h_nr_running == 0)) + if (group_steal_used() && rq->cfs.steal_h_nr_running < 1) need_clear = true; if (!need_clear) -- 2.25.1

2 1

[openeuler:OLK-6.6 777/14350] arch/loongarch/kernel/legacy_boot.c:439:25-27: WARNING !A || A && B is equivalent to !A || B
by kernel test robot 11 Oct '24

11 Oct '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: f7c1291d7c3f15bc448cd93e29fa539386fe85fe commit: db5bb24abc8dd120fd81b7ce21819e96578d011e [777/14350] LoongArch: Old BPI compatibility config: loongarch-randconfig-r062-20241011 (https://download.01.org/0day-ci/archive/20241011/202410111529.bqXXUCAv-lkp@…) compiler: loongarch64-linux-gcc (GCC) 14.1.0 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/202410111529.bqXXUCAv-lkp@intel.com/ cocci warnings: (new ones prefixed by >>) >> arch/loongarch/kernel/legacy_boot.c:439:25-27: WARNING !A || A && B is equivalent to !A || B vim +439 arch/loongarch/kernel/legacy_boot.c 423 424 static struct fwnode_handle * __init parse_isa_base(u64 *cpu_addr) 425 { 426 struct device_node *np; 427 const __be32 *ranges = NULL; 428 int len; 429 struct device_node *node; 430 431 for_each_node_by_name(np, "isa") { 432 node = of_node_get(np); 433 434 if (!node) 435 break; 436 437 ranges = of_get_property(node, "ranges", &len); 438 > 439 if (!ranges || (ranges && len > 0)) 440 break; 441 } 442 if (ranges) { 443 ranges += 2; 444 *cpu_addr = of_translate_address(np, ranges); 445 return &np->fwnode; 446 } 447 448 return NULL; 449 } 450 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH OLK-5.10 V1 2/2] sched/debug: Fix h_nr_running/steal_h_nr_running in sched_debug
by Cheng Yu 11 Oct '24

11 Oct '24

hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAQWPQ ----------------------------------------- It would be more practical to put the statistics of h_nr_running and steal_h_nr_running in the per-cpu column. Fixes: 1f9456c873b7 ("sched/debug: Add h_nr_running/steal_h_nr_running in sched_debug") Signed-off-by: Cheng Yu <serein.chengyu(a)huawei.com> --- kernel/sched/debug.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index ff2d6dc59c14..4275398bc713 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -594,11 +594,6 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) SEQ_printf(m, " .%-30s: %d\n", "nr_spread_over", cfs_rq->nr_spread_over); SEQ_printf(m, " .%-30s: %d\n", "nr_running", cfs_rq->nr_running); -#ifdef CONFIG_SCHED_STEAL - SEQ_printf(m, " .%-30s: %d\n", "h_nr_running", cfs_rq->h_nr_running); - SEQ_printf(m, " .%-30s: %ld\n", "steal_h_nr_running", - cfs_rq->steal_h_nr_running); -#endif SEQ_printf(m, " .%-30s: %ld\n", "load", cfs_rq->load.weight); #ifdef CONFIG_SMP SEQ_printf(m, " .%-30s: %lu\n", "load_avg", @@ -714,6 +709,11 @@ do { \ SEQ_printf(m, " .%-30s: %Ld.%06ld\n", #x, SPLIT_NS(rq->x)) P(nr_running); +#ifdef CONFIG_SCHED_STEAL + SEQ_printf(m, " .%-30s: %d\n", "h_nr_running", rq->cfs.h_nr_running); + SEQ_printf(m, " .%-30s: %ld\n", "steal_h_nr_running", + rq->cfs.steal_h_nr_running); +#endif P(nr_switches); P(nr_uninterruptible); PN(next_balance); -- 2.25.1

1 0

[openeuler:OLK-6.6] BUILD REGRESSION f7c1291d7c3f15bc448cd93e29fa539386fe85fe
by kernel test robot 11 Oct '24

11 Oct '24

tree/branch: https://gitee.com/openeuler/kernel.git OLK-6.6 branch HEAD: f7c1291d7c3f15bc448cd93e29fa539386fe85fe !12080 btrfs: clean up our handling of refs == 0 in snapshot delete Error/Warning (recently discovered and may have been fixed): https://lore.kernel.org/oe-kbuild-all/202410101809.HFdpybos-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202410111205.LRqw3beL-lkp@intel.com drivers/crypto/ccp/hygon/tdm-dev.c:340:63: error: incomplete definition of type 'struct module' ld.lld: error: undefined symbol: arch_elf_adjust_prot Error/Warning ids grouped by kconfigs: recent_errors |-- arm64-randconfig-004-20241010 | `-- ld.lld:error:undefined-symbol:arch_elf_adjust_prot |-- loongarch-allmodconfig | |-- loongson3-acpi-cpufreq.c:(.text):undefined-reference-to-acpi_processor_register_performance | `-- loongson3-acpi-cpufreq.c:(.text):undefined-reference-to-acpi_processor_unregister_performance |-- loongarch-allnoconfig | `-- drivers-irqchip-irq-loongson-eiointc.c:error:NODES_PER_FLATMODE_NODE-undeclared-(first-use-in-this-function) |-- loongarch-randconfig-001-20241011 | `-- drivers-irqchip-irq-loongson-eiointc.c:error:NODES_PER_FLATMODE_NODE-undeclared-(first-use-in-this-function) |-- loongarch-randconfig-002-20241011 | `-- drivers-irqchip-irq-loongson-eiointc.c:error:NODES_PER_FLATMODE_NODE-undeclared-(first-use-in-this-function) |-- loongarch-randconfig-r062-20241011 | `-- arch-loongarch-kernel-legacy_boot.c:WARNING-A-A-B-is-equivalent-to-A-B |-- x86_64-allyesconfig | |-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-function-vpsp_do_cmd | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-Directly-convert-the-gpa-address-into-hpa-and-forward-it-to-PSP | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-copy-data-in-gpa-to-host-memory-and-send-it-to-psp-for-processing. | `-- drivers-crypto-ccp-hygon-vpsp.c:warning:This-comment-starts-with-but-isn-t-a-kernel-doc-comment.-Refer-Documentation-doc-guide-kernel-doc.rst |-- x86_64-buildonly-randconfig-003-20241011 | |-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-function-vpsp_do_cmd | |-- drivers-crypto-ccp-hygon-tdm-dev.c:error:incomplete-definition-of-type-struct-module | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-Directly-convert-the-gpa-address-into-hpa-and-forward-it-to-PSP | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-copy-data-in-gpa-to-host-memory-and-send-it-to-psp-for-processing. | `-- drivers-crypto-ccp-hygon-vpsp.c:warning:This-comment-starts-with-but-isn-t-a-kernel-doc-comment.-Refer-Documentation-doc-guide-kernel-doc.rst |-- x86_64-rhel-8.3 | |-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-vpsp_do_cmd | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-Directly-convert-the-gpa-address-into-hpa-and-forward-it-to-PSP | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-copy-data-in-gpa-to-host-memory-and-send-it-to-psp-for-processing. | `-- drivers-crypto-ccp-hygon-vpsp.c:warning:This-comment-starts-with-but-isn-t-a-kernel-doc-comment.-Refer-Documentation-doc-guide-kernel-doc.rst |-- x86_64-rhel-8.3-func | |-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-vpsp_do_cmd | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-Directly-convert-the-gpa-address-into-hpa-and-forward-it-to-PSP | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-copy-data-in-gpa-to-host-memory-and-send-it-to-psp-for-processing. | `-- drivers-crypto-ccp-hygon-vpsp.c:warning:This-comment-starts-with-but-isn-t-a-kernel-doc-comment.-Refer-Documentation-doc-guide-kernel-doc.rst |-- x86_64-rhel-8.3-kselftests | |-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-vpsp_do_cmd | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-Directly-convert-the-gpa-address-into-hpa-and-forward-it-to-PSP | |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-copy-data-in-gpa-to-host-memory-and-send-it-to-psp-for-processing. | `-- drivers-crypto-ccp-hygon-vpsp.c:warning:This-comment-starts-with-but-isn-t-a-kernel-doc-comment.-Refer-Documentation-doc-guide-kernel-doc.rst `-- x86_64-rhel-8.3-rust |-- drivers-crypto-ccp-hygon-csv-dev.c:warning:no-previous-prototype-for-function-vpsp_do_cmd |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-Directly-convert-the-gpa-address-into-hpa-and-forward-it-to-PSP |-- drivers-crypto-ccp-hygon-vpsp.c:warning:Cannot-understand-brief-copy-data-in-gpa-to-host-memory-and-send-it-to-psp-for-processing. `-- drivers-crypto-ccp-hygon-vpsp.c:warning:This-comment-starts-with-but-isn-t-a-kernel-doc-comment.-Refer-Documentation-doc-guide-kernel-doc.rst elapsed time: 1257m configs tested: 32 configs skipped: 133 tested configs: arm64 allmodconfig clang-20 arm64 allnoconfig gcc-14.1.0 arm64 randconfig-001-20241011 gcc-14.1.0 arm64 randconfig-002-20241011 clang-20 arm64 randconfig-003-20241011 clang-20 arm64 randconfig-004-20241011 gcc-14.1.0 loongarch allmodconfig gcc-14.1.0 loongarch allnoconfig gcc-14.1.0 loongarch randconfig-001-20241011 gcc-14.1.0 loongarch randconfig-002-20241011 gcc-14.1.0 x86_64 allnoconfig clang-18 x86_64 allyesconfig clang-18 x86_64 buildonly-randconfig-001-20241011 gcc-12 x86_64 buildonly-randconfig-002-20241011 gcc-12 x86_64 buildonly-randconfig-003-20241011 clang-18 x86_64 buildonly-randconfig-004-20241011 clang-18 x86_64 buildonly-randconfig-005-20241011 gcc-12 x86_64 buildonly-randconfig-006-20241011 clang-18 x86_64 defconfig gcc-11 x86_64 kexec clang-18 x86_64 randconfig-001-20241011 clang-18 x86_64 randconfig-002-20241011 gcc-11 x86_64 randconfig-003-20241011 gcc-12 x86_64 randconfig-004-20241011 gcc-12 x86_64 randconfig-005-20241011 clang-18 x86_64 randconfig-006-20241011 clang-18 x86_64 randconfig-011-20241011 gcc-12 x86_64 randconfig-012-20241011 clang-18 x86_64 randconfig-013-20241011 gcc-11 x86_64 randconfig-014-20241011 clang-18 x86_64 rhel-8.3 gcc-12 x86_64 rhel-8.3-rust clang-18 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH openEuler-22.03-LTS-SP1 0/3] CVE-2024-46858
by Wang Liang 11 Oct '24

11 Oct '24

Davide Caratti (1): mptcp: validate 'id' when stopping the ADD_ADDR retransmit timer Edward Adam Davis (1): mptcp: pm: Fix uaf in __timer_delete_sync Geliang Tang (1): mptcp: export lookup_anno_list_by_saddr net/mptcp/options.c | 2 +- net/mptcp/pm_netlink.c | 27 ++++++++++++++++----------- net/mptcp/protocol.h | 5 ++++- 3 files changed, 21 insertions(+), 13 deletions(-) -- 2.34.1

2 4

[PATCH openEuler-22.03-LTS-SP1] net: dpaa: Pad packets to ETH_ZLEN
by Wang Liang 11 Oct '24

11 Oct '24

From: Sean Anderson <sean.anderson(a)linux.dev> mainline inclusion from mainline-v6.11 commit cbd7ec083413c6a2e0c326d49e24ec7d12c7a9e0 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IAU9O1 CVE: CVE-2024-46854 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- When sending packets under 60 bytes, up to three bytes of the buffer following the data may be leaked. Avoid this by extending all packets to ETH_ZLEN, ensuring nothing is leaked in the padding. This bug can be reproduced by running $ ping -s 11 destination Fixes: 9ad1a3749333 ("dpaa_eth: add support for DPAA Ethernet") Suggested-by: Eric Dumazet <edumazet(a)google.com> Signed-off-by: Sean Anderson <sean.anderson(a)linux.dev> Reviewed-by: Eric Dumazet <edumazet(a)google.com> Link: https://patch.msgid.link/20240910143144.1439910-1-sean.anderson@linux.dev Signed-off-by: Jakub Kicinski <kuba(a)kernel.org> Signed-off-by: Wang Liang <wangliang74(a)huawei.com> --- drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index cb7c028b1bf5..638dd56bbc5e 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -2147,12 +2147,12 @@ static netdev_tx_t dpaa_start_xmit(struct sk_buff *skb, struct net_device *net_dev) { const int queue_mapping = skb_get_queue_mapping(skb); - bool nonlinear = skb_is_nonlinear(skb); struct rtnl_link_stats64 *percpu_stats; struct dpaa_percpu_priv *percpu_priv; struct netdev_queue *txq; struct dpaa_priv *priv; struct qm_fd fd; + bool nonlinear; int offset = 0; int err = 0; @@ -2162,6 +2162,13 @@ dpaa_start_xmit(struct sk_buff *skb, struct net_device *net_dev) qm_fd_clear_fd(&fd); + /* Packet data is always read as 32-bit words, so zero out any part of + * the skb which might be sent if we have to pad the packet + */ + if (__skb_put_padto(skb, ETH_ZLEN, false)) + goto enomem; + + nonlinear = skb_is_nonlinear(skb); if (!nonlinear) { /* We're going to store the skb backpointer at the beginning * of the data buffer, so we need a privately owned skb -- 2.34.1

2 1