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[PATCH OLK-6.6 V8 00/10] sched: basic infrastructure for scheduler bpf
by Lu Jialin 17 Jan '24

17 Jan '24

From: Guan Jing <guanjing6(a)huawei.com> sched: basic infrastructure for scheduler bpf Guan Jing (10): sched: programmable: Introduce bpf sched sched: programmable: Add a tag for the task sched: programmable: Add a tag for the task group sched: programmable: Add user interface of task group tag sched: programmable: Add user interface of task tag sched: basic infrastructure for scheduler bpf sched: introduce bpf_sched_enable() sched: programmable: Add hook in select_task_rq_fair() sched: programmable: Add hook in can_migrate_task() openeuler_defconfig: enable CONFIG_BPF_SCHED arch/arm64/configs/openeuler_defconfig | 1 + arch/x86/configs/openeuler_defconfig | 1 + fs/proc/base.c | 61 +++++++++++++ include/linux/bpf_sched.h | 50 +++++++++++ include/linux/bpf_types.h | 4 + include/linux/sched.h | 26 ++++++ include/linux/sched_hook_defs.h | 4 + include/uapi/linux/bpf.h | 2 + init/init_task.c | 3 + kernel/bpf/Kconfig | 13 +++ kernel/bpf/btf.c | 3 + kernel/bpf/syscall.c | 41 +++++++++ kernel/bpf/trampoline.c | 3 + kernel/bpf/verifier.c | 23 +++++ kernel/sched/bpf_sched.c | 64 ++++++++++++++ kernel/sched/build_utility.c | 4 + kernel/sched/core.c | 118 +++++++++++++++++++++++++ kernel/sched/fair.c | 45 ++++++++++ kernel/sched/sched.h | 10 +++ scripts/bpf_doc.py | 2 + tools/include/uapi/linux/bpf.h | 2 + 21 files changed, 480 insertions(+) create mode 100644 include/linux/bpf_sched.h create mode 100644 include/linux/sched_hook_defs.h create mode 100644 kernel/sched/bpf_sched.c -- 2.34.1

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[PATCH OLK-5.10] smb: client: fix OOB in receive_encrypted_standard()
by ZhaoLong Wang 17 Jan '24

17 Jan '24

From: Paulo Alcantara <pc(a)manguebit.com> mainline inclusion from mainline-v6.7-rc6 commit eec04ea119691e65227a97ce53c0da6b9b74b0b7 category: bugfix bugzilla: 189472 CVE: CVE-2024-0565 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- Fix potential OOB in receive_encrypted_standard() if server returned a large shdr->NextCommand that would end up writing off the end of @next_buffer. Fixes: b24df3e30cbf ("cifs: update receive_encrypted_standard to handle compounded responses") Cc: stable(a)vger.kernel.org Reported-by: Robert Morris <rtm(a)csail.mit.edu> Signed-off-by: Paulo Alcantara (SUSE) <pc(a)manguebit.com> Signed-off-by: Steve French <stfrench(a)microsoft.com> Conflicts: fs/cifs/smb2ops.c Signed-off-by: ZhaoLong Wang <wangzhaolong1(a)huawei.com> --- fs/cifs/smb2ops.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index b86f559751fd..caee4dedd7dc 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -4886,6 +4886,7 @@ receive_encrypted_standard(struct TCP_Server_Info *server, struct smb2_sync_hdr *shdr; unsigned int pdu_length = server->pdu_size; unsigned int buf_size; + unsigned int next_cmd; struct mid_q_entry *mid_entry; int next_is_large; char *next_buffer = NULL; @@ -4914,14 +4915,15 @@ receive_encrypted_standard(struct TCP_Server_Info *server, next_is_large = server->large_buf; one_more: shdr = (struct smb2_sync_hdr *)buf; - if (shdr->NextCommand) { + next_cmd = le32_to_cpu(shdr->NextCommand); + if (next_cmd) { + if (WARN_ON_ONCE(next_cmd > pdu_length)) + return -1; if (next_is_large) next_buffer = (char *)cifs_buf_get(); else next_buffer = (char *)cifs_small_buf_get(); - memcpy(next_buffer, - buf + le32_to_cpu(shdr->NextCommand), - pdu_length - le32_to_cpu(shdr->NextCommand)); + memcpy(next_buffer, buf + next_cmd, pdu_length - next_cmd); } mid_entry = smb2_find_mid(server, buf); @@ -4945,8 +4947,8 @@ receive_encrypted_standard(struct TCP_Server_Info *server, else ret = cifs_handle_standard(server, mid_entry); - if (ret == 0 && shdr->NextCommand) { - pdu_length -= le32_to_cpu(shdr->NextCommand); + if (ret == 0 && next_cmd) { + pdu_length -= next_cmd; server->large_buf = next_is_large; if (next_is_large) server->bigbuf = buf = next_buffer; -- 2.34.3

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[PATCH openEuler-1.0-LTS] smb: client: fix OOB in receive_encrypted_standard()
by ZhaoLong Wang 17 Jan '24

17 Jan '24

From: Paulo Alcantara <pc(a)manguebit.com> mainline inclusion from mainline-v6.7-rc6 commit eec04ea119691e65227a97ce53c0da6b9b74b0b7 category: bugfix bugzilla: 189472 CVE: CVE-2024-0565 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- Fix potential OOB in receive_encrypted_standard() if server returned a large shdr->NextCommand that would end up writing off the end of @next_buffer. Fixes: b24df3e30cbf ("cifs: update receive_encrypted_standard to handle compounded responses") Cc: stable(a)vger.kernel.org Reported-by: Robert Morris <rtm(a)csail.mit.edu> Signed-off-by: Paulo Alcantara (SUSE) <pc(a)manguebit.com> Signed-off-by: Steve French <stfrench(a)microsoft.com> Conflicts: fs/cifs/smb2ops.c Signed-off-by: ZhaoLong Wang <wangzhaolong1(a)huawei.com> --- fs/cifs/smb2ops.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 4f6cc104fdb5..eba4bdfff08a 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -3185,6 +3185,7 @@ receive_encrypted_standard(struct TCP_Server_Info *server, struct smb2_sync_hdr *shdr; unsigned int pdu_length = server->pdu_size; unsigned int buf_size; + unsigned int next_cmd; struct mid_q_entry *mid_entry; int next_is_large; char *next_buffer = NULL; @@ -3213,14 +3214,15 @@ receive_encrypted_standard(struct TCP_Server_Info *server, next_is_large = server->large_buf; one_more: shdr = (struct smb2_sync_hdr *)buf; - if (shdr->NextCommand) { + next_cmd = le32_to_cpu(shdr->NextCommand); + if (next_cmd) { + if (WARN_ON_ONCE(next_cmd > pdu_length)) + return -1; if (next_is_large) next_buffer = (char *)cifs_buf_get(); else next_buffer = (char *)cifs_small_buf_get(); - memcpy(next_buffer, - buf + le32_to_cpu(shdr->NextCommand), - pdu_length - le32_to_cpu(shdr->NextCommand)); + memcpy(next_buffer, buf + next_cmd, pdu_length - next_cmd); } mid_entry = smb2_find_mid(server, buf); @@ -3244,8 +3246,8 @@ receive_encrypted_standard(struct TCP_Server_Info *server, else ret = cifs_handle_standard(server, mid_entry); - if (ret == 0 && shdr->NextCommand) { - pdu_length -= le32_to_cpu(shdr->NextCommand); + if (ret == 0 && next_cmd) { + pdu_length -= next_cmd; server->large_buf = next_is_large; if (next_is_large) server->bigbuf = buf = next_buffer; -- 2.34.3

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[PATCH OLK-6.6 0/6] kabi: net: reserve space for net
by Zhengchao Shao 17 Jan '24

17 Jan '24

Reserve space for net, inheriting the kabi reservation in kernel 5.10. Wang Hai (6): kabi: net: reserve space for net base subsystem related structure kabi: net: reserve space for net bpf subsystem related structure kabi: net: reserve space for net can subsystem related structure kabi: net: reserve space for net netfilter subsystem related structure kabi: net: reserve space for net rdma subsystem related structure kabi: net: reserve space for net sunrpc subsystem related structure include/linux/can/core.h | 4 +++ include/linux/can/dev.h | 6 ++++ include/linux/can/rx-offload.h | 4 +++ include/linux/device.h | 10 ++++++ include/linux/device/class.h | 6 ++++ include/linux/ethtool.h | 6 ++++ include/linux/inetdevice.h | 4 +++ include/linux/ipv6.h | 6 ++++ include/linux/net.h | 6 ++++ include/linux/netdevice.h | 42 ++++++++++++++++++++++++++ include/linux/netfilter.h | 13 ++++++++ include/linux/netfilter/ipset/ip_set.h | 10 ++++++ include/linux/netfilter/nfnetlink.h | 7 +++++ include/linux/netfilter_ipv6.h | 4 +++ include/linux/skbuff.h | 6 ++++ include/linux/skmsg.h | 11 +++++++ include/linux/sunrpc/cache.h | 4 +++ include/linux/sunrpc/clnt.h | 12 ++++++++ include/linux/sunrpc/sched.h | 15 +++++++++ include/linux/sunrpc/stats.h | 7 +++++ include/linux/sunrpc/xprt.h | 17 +++++++++++ include/net/dcbnl.h | 10 ++++++ include/net/dst.h | 10 ++++++ include/net/dst_ops.h | 10 ++++++ include/net/fib_rules.h | 10 ++++++ include/net/flow.h | 7 +++++ include/net/flow_dissector.h | 6 ++++ include/net/genetlink.h | 12 ++++++++ include/net/inet_connection_sock.h | 7 +++++ include/net/ip6_fib.h | 13 ++++++++ include/net/l3mdev.h | 6 ++++ include/net/lwtunnel.h | 7 +++++ include/net/neighbour.h | 11 +++++++ include/net/netdev_rx_queue.h | 5 +++ include/net/netfilter/nf_conntrack.h | 4 +++ include/net/netlink.h | 5 +++ include/net/netns/can.h | 4 +++ include/net/netns/ipv4.h | 8 +++++ include/net/netns/ipv6.h | 4 +++ include/net/netns/netfilter.h | 4 +++ include/net/netns/nftables.h | 4 +++ include/net/netns/xfrm.h | 4 +++ include/net/page_pool/types.h | 4 +++ include/net/rtnetlink.h | 10 ++++++ include/net/sch_generic.h | 11 +++++++ include/net/sock.h | 18 +++++++++++ include/net/switchdev.h | 6 ++++ include/net/tcp.h | 6 ++++ include/net/tls.h | 15 +++++++++ include/net/xdp.h | 6 ++++ include/net/xsk_buff_pool.h | 3 ++ include/rdma/ib_addr.h | 4 +++ include/rdma/rdma_cm.h | 10 ++++++ include/rdma/rdma_counter.h | 4 +++ include/rdma/rdma_netlink.h | 4 +++ include/rdma/rdma_vt.h | 7 +++++ include/rdma/rdmavt_qp.h | 5 +++ net/devlink/devl_internal.h | 5 +++ 58 files changed, 469 insertions(+) -- 2.34.1

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[PATCH OLK-6.6] openeuler_defconfig: Disable new HW_RANDOM support for arm64
by Yi Yang 17 Jan '24

17 Jan '24

hulk inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I8WYFN -------------------------------- New hardware features are disable by default. Disable CONFIG_HW_RANDOM_HISTB,CONFIG_HW_RANDOM_ARM_SMCCC_TRNG, CONFIG_HW_RANDOM_CN10K in openeuler_defconfig on arm64. Signed-off-by: Yi Yang <yiyang13(a)huawei.com> --- arch/arm64/configs/openeuler_defconfig | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/configs/openeuler_defconfig b/arch/arm64/configs/openeuler_defconfig index 35dd6141f057..87d51893e69e 100644 --- a/arch/arm64/configs/openeuler_defconfig +++ b/arch/arm64/configs/openeuler_defconfig @@ -3568,13 +3568,13 @@ CONFIG_HW_RANDOM_TIMERIOMEM=m # CONFIG_HW_RANDOM_BA431 is not set CONFIG_HW_RANDOM_VIRTIO=m CONFIG_HW_RANDOM_HISI=y -CONFIG_HW_RANDOM_HISTB=y +# CONFIG_HW_RANDOM_HISTB is not set CONFIG_HW_RANDOM_XGENE=y CONFIG_HW_RANDOM_CAVIUM=y # CONFIG_HW_RANDOM_CCTRNG is not set # CONFIG_HW_RANDOM_XIPHERA is not set -CONFIG_HW_RANDOM_ARM_SMCCC_TRNG=y -CONFIG_HW_RANDOM_CN10K=y +# CONFIG_HW_RANDOM_ARM_SMCCC_TRNG is not set +# CONFIG_HW_RANDOM_CN10K is not set # CONFIG_APPLICOM is not set CONFIG_DEVMEM=y # CONFIG_DEVPORT is not set -- 2.25.1

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[PATCH] mm/oom_kill: fix NULL pointer dereference in memcg_print_bad_task()
by Jinjiang Tu 17 Jan '24

17 Jan '24

hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8WVL2 CVE: NA -------------------------------- oc->chosen may be assigned with -1 in oom_evaluate_task(), but memcg_print_bad_task() doesn't check whether oc->chosen is -1 before dereference it. Signed-off-by: Jinjiang Tu <tujinjiang(a)huawei.com> --- mm/memcontrol.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 7ab0eec942ba..8327cef9d53a 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4219,7 +4219,7 @@ void memcg_print_bad_task(struct oom_control *oc) if (memcg_oom_prio_disabled()) return; - if (oc->chosen) { + if (oc->chosen && oc->chosen != (void *)-1UL) { struct mem_cgroup *memcg; rcu_read_lock(); -- 2.25.1

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[PATCH OLK-6.6] mm/oom_kill: fix NULL pointer dereference in memcg_print_bad_task()
by Jinjiang Tu 17 Jan '24

17 Jan '24

hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8WVL2 CVE: NA -------------------------------- oc->chosen may be assigned with -1 in oom_evaluate_task(), but memcg_print_bad_task() doesn't check whether oc->chosen is -1 before dereference it. Signed-off-by: Jinjiang Tu <tujinjiang(a)huawei.com> --- mm/memcontrol.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 7ab0eec942ba..8327cef9d53a 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4219,7 +4219,7 @@ void memcg_print_bad_task(struct oom_control *oc) if (memcg_oom_prio_disabled()) return; - if (oc->chosen) { + if (oc->chosen && oc->chosen != (void *)-1UL) { struct mem_cgroup *memcg; rcu_read_lock(); -- 2.25.1

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[PATCH OLK-6.6 v6 0/8] introduce smart_grid zone
by Yipeng Zou 17 Jan '24

17 Jan '24

The patch sets include two parts: 1. patch 1~3: Rebase smart_grid from OLK-5.10 to OLK-6.6 2. patch 4~8: introduce smart_grid zone qos and cpufreq Since V5: 1. Only modified mm/mempolicy.c review comments Since V4: 1. rebase to OLK-6.6 head Since V3: 1. fix some review comments Since V2: 1. move new sysctl form sysctl.c to fair.c 2. add smart_grid cmdline Since V1: 1. Don't init smart_grid cpufreq with dynamic_affinity disable. 2. Forbid smart_grid cgroup interface with dynamic_affinity disable. Hui Tang (1): sched: Introduce smart grid scheduling strategy for cfs Wang ShaoBo (2): sched: smart grid: init sched_grid_qos structure on QOS purpose config: enable CONFIG_QOS_SCHED_SMART_GRID by default Yipeng Zou (5): sched: introduce smart grid qos zone smart_grid: introduce /proc/pid/smart_grid_level smart_grid: introduce smart_grid_strategy_ctrl sysctl smart_grid: cpufreq: introduce smart_grid cpufreq control smart_grid: introduce smart_grid cmdline arch/arm64/configs/openeuler_defconfig | 1 + arch/x86/configs/openeuler_defconfig | 1 + drivers/cpufreq/cpufreq.c | 244 +++++++++++ fs/proc/array.c | 16 + fs/proc/base.c | 84 ++++ include/linux/cpufreq.h | 11 + include/linux/sched.h | 32 ++ include/linux/sched/grid_qos.h | 135 +++++++ init/Kconfig | 13 + kernel/fork.c | 15 + kernel/sched/Makefile | 1 + kernel/sched/core.c | 181 +++++++++ kernel/sched/fair.c | 537 ++++++++++++++++++++++++- kernel/sched/grid/Makefile | 2 + kernel/sched/grid/internal.h | 6 + kernel/sched/grid/power.c | 27 ++ kernel/sched/grid/qos.c | 279 +++++++++++++ kernel/sched/grid/stat.c | 47 +++ kernel/sched/sched.h | 48 ++- mm/mempolicy.c | 11 +- 20 files changed, 1679 insertions(+), 12 deletions(-) create mode 100644 include/linux/sched/grid_qos.h create mode 100644 kernel/sched/grid/Makefile create mode 100644 kernel/sched/grid/internal.h create mode 100644 kernel/sched/grid/power.c create mode 100644 kernel/sched/grid/qos.c create mode 100644 kernel/sched/grid/stat.c -- 2.34.1

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[PATCH OLK-6.6 0/2] Set CONFIG_NODES_SHIFT to 8
by Liu Shixin 17 Jan '24

17 Jan '24

Patch[1] allow to set NODES_SHIFT between 8 and 10 on MAXSMP. Patch[2] set NODES_SHIFT to 8 for both x86_64 and ARM64 defconfig. Liu Shixin (2): x86/Kconfig: allow NODES_SHIFT to be set on MAXSMP openeuler_defconfig: set CONFIG_NODES_SHIFT to 8 for both x86_64/ARM64 arch/arm64/configs/openeuler_defconfig | 2 +- arch/x86/Kconfig | 3 ++- arch/x86/configs/openeuler_defconfig | 2 +- 3 files changed, 4 insertions(+), 3 deletions(-) -- 2.25.1

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[PATCH OLK-6.6 0/9] Backport etmem feature to OLK 6.6
by Yuchen Tang 17 Jan '24

17 Jan '24

v3 -> v4 - backport only core etmem feature - modify kernel swap enabled toggle implementation v2 -> v3 - fix code style and commit messages v1 -> v2 - make independent patches to export symbols we need - make independent patches for etmem scan and swap config - fix indentation and code style problems Yuchen Tang (9): etmem: add ETMEM feature CONFIG to mm/Kconfig etmem: add ETMEM scan feature CONFIG to mm/Kconfig mm: Export symbol __pud_trans_huge_lock mm: Export symbol walk_page_range etmem: add etmem scan feature mm: Export symbol reclaim_pages etmem: add etmem swap feature etmem: add original kernel swap enabled options etmem: enable etmem configurations arch/arm64/configs/openeuler_defconfig | 3 + arch/x86/configs/openeuler_defconfig | 3 + fs/proc/Makefile | 3 + fs/proc/base.c | 8 + fs/proc/etmem_proc.c | 216 ++++ fs/proc/etmem_scan.c | 1383 ++++++++++++++++++++++++ fs/proc/etmem_scan.h | 149 +++ fs/proc/etmem_swap.c | 109 ++ fs/proc/internal.h | 4 + include/linux/etmem.h | 47 + include/linux/mm.h | 4 + include/linux/mm_types.h | 4 + include/linux/swap.h | 1 + include/uapi/asm-generic/mman-common.h | 4 + mm/Kconfig | 33 + mm/Makefile | 1 + mm/etmem.c | 95 ++ mm/huge_memory.c | 1 + mm/internal.h | 1 - mm/madvise.c | 16 + mm/pagewalk.c | 1 + mm/swap_state.c | 4 + mm/vmscan.c | 8 + virt/kvm/kvm_main.c | 8 + 24 files changed, 2105 insertions(+), 1 deletion(-) create mode 100644 fs/proc/etmem_proc.c create mode 100644 fs/proc/etmem_scan.c create mode 100644 fs/proc/etmem_scan.h create mode 100644 fs/proc/etmem_swap.c create mode 100644 include/linux/etmem.h create mode 100644 mm/etmem.c -- 2.33.0

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