July 2024 - Kernel - mailweb.openeuler.org

[PATCH openEuler-1.0-LTS] usb: host: ohci-tmio: check return value after calling platform_get_resource()
by Zheng Zucheng 16 Jul '24

16 Jul '24

From: Yang Yingliang <yangyingliang(a)huawei.com> stable inclusion form stable-v5.10.82 commit 2474eb7fc3bfbce10f7b8ea431fcffe5dd5f5100 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I9FNEW CVE: CVE-2021-47206 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 9eff2b2e59fda25051ab36cd1cb5014661df657b ] It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value. Acked-by: Alan Stern <stern(a)rowland.harvard.edu> Signed-off-by: Yang Yingliang <yangyingliang(a)huawei.com> Link: https://lore.kernel.org/r/20211011134920.118477-1-yangyingliang@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Chen Jun <chenjun102(a)huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> Signed-off-by: Zheng Zucheng <zhengzucheng(a)huawei.com> --- drivers/usb/host/ohci-tmio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index a631dbb369d7..b75f4ce642a2 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -196,7 +196,7 @@ static int ohci_hcd_tmio_drv_probe(struct platform_device *dev) if (usb_disabled()) return -ENODEV; - if (!cell) +: if (!cell || !regs || !config || !sram) return -EINVAL; hcd = usb_create_hcd(&ohci_tmio_hc_driver, &dev->dev, dev_name(&dev->dev)); -- 2.34.1

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openEuler Kernel SIG双周例会
by openEuler conference 16 Jul '24

16 Jul '24

您好！ Kernel 邀请您参加 2024-07-19 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（新增议题可直接回复本邮件申请，或填报至会议纪要看板）会议链接：https://meeting.huaweicloud.com:36443/#/j/961167952 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 2024-07-19 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（新增议题可直接回复本邮件申请，或填报至会议纪要看板） You can join the meeting at https://meeting.huaweicloud.com:36443/#/j/961167952. Add topics at https://etherpad.openeuler.org/p/Kernel-meetings. More information: https://www.openeuler.org/en/

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[PATCH openEuler-1.0-LTS] KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin()
by felix 16 Jul '24

16 Jul '24

From: Breno Leitao <leitao(a)debian.org> mainline inclusion from mainline-v6.10-rc5 commit 49f683b41f28918df3e51ddc0d928cb2e934ccdb category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IACT6J CVE: CVE-2024-40953 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- Use {READ,WRITE}_ONCE() to access kvm->last_boosted_vcpu to ensure the loads and stores are atomic. In the extremely unlikely scenario the compiler tears the stores, it's theoretically possible for KVM to attempt to get a vCPU using an out-of-bounds index, e.g. if the write is split into multiple 8-bit stores, and is paired with a 32-bit load on a VM with 257 vCPUs: CPU0 CPU1 last_boosted_vcpu = 0xff; (last_boosted_vcpu = 0x100) last_boosted_vcpu[15:8] = 0x01; i = (last_boosted_vcpu = 0x1ff) last_boosted_vcpu[7:0] = 0x00; vcpu = kvm->vcpu_array[0x1ff]; As detected by KCSAN: BUG: KCSAN: data-race in kvm_vcpu_on_spin [kvm] / kvm_vcpu_on_spin [kvm] write to 0xffffc90025a92344 of 4 bytes by task 4340 on cpu 16: kvm_vcpu_on_spin (arch/x86/kvm/../../../virt/kvm/kvm_main.c:4112) kvm handle_pause (arch/x86/kvm/vmx/vmx.c:5929) kvm_intel vmx_handle_exit (arch/x86/kvm/vmx/vmx.c:? arch/x86/kvm/vmx/vmx.c:6606) kvm_intel vcpu_run (arch/x86/kvm/x86.c:11107 arch/x86/kvm/x86.c:11211) kvm kvm_arch_vcpu_ioctl_run (arch/x86/kvm/x86.c:?) kvm kvm_vcpu_ioctl (arch/x86/kvm/../../../virt/kvm/kvm_main.c:?) kvm __se_sys_ioctl (fs/ioctl.c:52 fs/ioctl.c:904 fs/ioctl.c:890) __x64_sys_ioctl (fs/ioctl.c:890) x64_sys_call (arch/x86/entry/syscall_64.c:33) do_syscall_64 (arch/x86/entry/common.c:?) entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) read to 0xffffc90025a92344 of 4 bytes by task 4342 on cpu 4: kvm_vcpu_on_spin (arch/x86/kvm/../../../virt/kvm/kvm_main.c:4069) kvm handle_pause (arch/x86/kvm/vmx/vmx.c:5929) kvm_intel vmx_handle_exit (arch/x86/kvm/vmx/vmx.c:? arch/x86/kvm/vmx/vmx.c:6606) kvm_intel vcpu_run (arch/x86/kvm/x86.c:11107 arch/x86/kvm/x86.c:11211) kvm kvm_arch_vcpu_ioctl_run (arch/x86/kvm/x86.c:?) kvm kvm_vcpu_ioctl (arch/x86/kvm/../../../virt/kvm/kvm_main.c:?) kvm __se_sys_ioctl (fs/ioctl.c:52 fs/ioctl.c:904 fs/ioctl.c:890) __x64_sys_ioctl (fs/ioctl.c:890) x64_sys_call (arch/x86/entry/syscall_64.c:33) do_syscall_64 (arch/x86/entry/common.c:?) entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) value changed: 0x00000012 -> 0x00000000 Fixes: 217ece6129f2 ("KVM: use yield_to instead of sleep in kvm_vcpu_on_spin") Cc: stable(a)vger.kernel.org Signed-off-by: Breno Leitao <leitao(a)debian.org> Link: https://lore.kernel.org/r/20240510092353.2261824-1-leitao@debian.org Signed-off-by: Sean Christopherson <seanjc(a)google.com> Conflicts: virt/kvm/kvm_main.c [Fix context because of 46808a4cb89708c2e5b264eb9d1035762581921b not merged] Signed-off-by: Felix Fu <fuzhen5(a)huawei.com> --- virt/kvm/kvm_main.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 53c83483653f..2b28fcb35641 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -2503,12 +2503,13 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode) { struct kvm *kvm = me->kvm; struct kvm_vcpu *vcpu; - int last_boosted_vcpu = me->kvm->last_boosted_vcpu; + int last_boosted_vcpu; int yielded = 0; int try = 3; int pass; int i; + last_boosted_vcpu = READ_ONCE(kvm->last_boosted_vcpu); kvm_vcpu_set_in_spin_loop(me, true); /* * We boost the priority of a VCPU that is runnable but not @@ -2538,7 +2539,7 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode) yielded = kvm_vcpu_yield_to(vcpu); if (yielded > 0) { - kvm->last_boosted_vcpu = i; + WRITE_ONCE(kvm->last_boosted_vcpu, i); break; } else if (yielded < 0) { try--; -- 2.34.1

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[openeuler:openEuler-1.0-LTS] BUILD SUCCESS WITH WARNING 55dbcf2f32ff417a82aec66a24e6a9ac00bf759c
by kernel test robot 16 Jul '24

16 Jul '24

tree/branch: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS branch HEAD: 55dbcf2f32ff417a82aec66a24e6a9ac00bf759c !9830 mmc: davinci: Don't strip remove function when driver is builtin Warning: (recently discovered and may have been fixed) kernel/livepatch/core.c:75:16: warning: no previous prototype for function 'klp_check_patch_kprobed' [-Wmissing-prototypes] Unverified Warning (likely false positive, please contact us if interested): drivers/block/loop.c:1338 loop_set_status() warn: inconsistent returns '&loop_ctl_mutex'. Warning ids grouped by kconfigs: recent_errors |-- x86_64-randconfig-073-20240521 | `-- kernel-livepatch-core.c:warning:no-previous-prototype-for-function-klp_check_patch_kprobed `-- x86_64-randconfig-161-20240430 `-- drivers-block-loop.c-loop_set_status()-warn:inconsistent-returns-loop_ctl_mutex-. elapsed time: 723m configs tested: 26 configs skipped: 139 tested configs: arm64 allmodconfig gcc-14.1.0 arm64 allnoconfig gcc-14.1.0 arm64 defconfig gcc-14.1.0 arm64 randconfig-001-20240716 gcc-14.1.0 arm64 randconfig-002-20240716 gcc-14.1.0 arm64 randconfig-003-20240716 gcc-14.1.0 arm64 randconfig-004-20240716 gcc-14.1.0 x86_64 allnoconfig clang-18 x86_64 allyesconfig clang-18 x86_64 buildonly-randconfig-001-20240716 gcc-13 x86_64 buildonly-randconfig-002-20240716 clang-18 x86_64 buildonly-randconfig-003-20240716 clang-18 x86_64 buildonly-randconfig-004-20240716 clang-18 x86_64 buildonly-randconfig-005-20240716 clang-18 x86_64 buildonly-randconfig-006-20240716 clang-18 x86_64 defconfig gcc-13 x86_64 randconfig-001-20240716 gcc-13 x86_64 randconfig-002-20240716 gcc-8 x86_64 randconfig-003-20240716 gcc-8 x86_64 randconfig-004-20240716 clang-18 x86_64 randconfig-005-20240716 gcc-12 x86_64 randconfig-006-20240716 clang-18 x86_64 randconfig-011-20240716 clang-18 x86_64 randconfig-012-20240716 gcc-9 x86_64 randconfig-015-20240716 gcc-7 x86_64 rhel-8.3-rust clang-18 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[PATCH openEuler-22.03-LTS-SP1 0/3] CVE-2024-40972
by Yifan Qiao 16 Jul '24

16 Jul '24

Jan Kara (2): ext4: fold quota accounting into ext4_xattr_inode_lookup_create() ext4: do not create EA inode under buffer lock Ritesh Harjani (1): ext4: remove duplicate definition of ext4_xattr_ibody_inline_set() send-patches.sh | 96 ++++++++++++++++++++++++++ fs/ext4/xattr.h | 6 +- fs/ext4/inline.c | 11 ++- fs/ext4/xattr.c | 175 +++++++++++++++++++---------------------------- 4 files changed, 175 insertions(+), 113 deletions(-) create mode 100644 send-patches.sh -- 2.39.2

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[PATCH OLK-6.6] KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin()
by felix 16 Jul '24

16 Jul '24

From: Breno Leitao <leitao(a)debian.org> stable inclusion from stable-v6.6.36 commit a937ef951bba72f48d2402451419d725d70dba20 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IACT6J CVE: CVE-2024-40953 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- commit 49f683b41f28918df3e51ddc0d928cb2e934ccdb upstream. Use {READ,WRITE}_ONCE() to access kvm->last_boosted_vcpu to ensure the loads and stores are atomic. In the extremely unlikely scenario the compiler tears the stores, it's theoretically possible for KVM to attempt to get a vCPU using an out-of-bounds index, e.g. if the write is split into multiple 8-bit stores, and is paired with a 32-bit load on a VM with 257 vCPUs: CPU0 CPU1 last_boosted_vcpu = 0xff; (last_boosted_vcpu = 0x100) last_boosted_vcpu[15:8] = 0x01; i = (last_boosted_vcpu = 0x1ff) last_boosted_vcpu[7:0] = 0x00; vcpu = kvm->vcpu_array[0x1ff]; As detected by KCSAN: BUG: KCSAN: data-race in kvm_vcpu_on_spin [kvm] / kvm_vcpu_on_spin [kvm] write to 0xffffc90025a92344 of 4 bytes by task 4340 on cpu 16: kvm_vcpu_on_spin (arch/x86/kvm/../../../virt/kvm/kvm_main.c:4112) kvm handle_pause (arch/x86/kvm/vmx/vmx.c:5929) kvm_intel vmx_handle_exit (arch/x86/kvm/vmx/vmx.c:? arch/x86/kvm/vmx/vmx.c:6606) kvm_intel vcpu_run (arch/x86/kvm/x86.c:11107 arch/x86/kvm/x86.c:11211) kvm kvm_arch_vcpu_ioctl_run (arch/x86/kvm/x86.c:?) kvm kvm_vcpu_ioctl (arch/x86/kvm/../../../virt/kvm/kvm_main.c:?) kvm __se_sys_ioctl (fs/ioctl.c:52 fs/ioctl.c:904 fs/ioctl.c:890) __x64_sys_ioctl (fs/ioctl.c:890) x64_sys_call (arch/x86/entry/syscall_64.c:33) do_syscall_64 (arch/x86/entry/common.c:?) entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) read to 0xffffc90025a92344 of 4 bytes by task 4342 on cpu 4: kvm_vcpu_on_spin (arch/x86/kvm/../../../virt/kvm/kvm_main.c:4069) kvm handle_pause (arch/x86/kvm/vmx/vmx.c:5929) kvm_intel vmx_handle_exit (arch/x86/kvm/vmx/vmx.c:? arch/x86/kvm/vmx/vmx.c:6606) kvm_intel vcpu_run (arch/x86/kvm/x86.c:11107 arch/x86/kvm/x86.c:11211) kvm kvm_arch_vcpu_ioctl_run (arch/x86/kvm/x86.c:?) kvm kvm_vcpu_ioctl (arch/x86/kvm/../../../virt/kvm/kvm_main.c:?) kvm __se_sys_ioctl (fs/ioctl.c:52 fs/ioctl.c:904 fs/ioctl.c:890) __x64_sys_ioctl (fs/ioctl.c:890) x64_sys_call (arch/x86/entry/syscall_64.c:33) do_syscall_64 (arch/x86/entry/common.c:?) entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) value changed: 0x00000012 -> 0x00000000 Fixes: 217ece6129f2 ("KVM: use yield_to instead of sleep in kvm_vcpu_on_spin") Cc: stable(a)vger.kernel.org Signed-off-by: Breno Leitao <leitao(a)debian.org> Link: https://lore.kernel.org/r/20240510092353.2261824-1-leitao@debian.org Signed-off-by: Sean Christopherson <seanjc(a)google.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Felix Fu <fuzhen5(a)huawei.com> --- virt/kvm/kvm_main.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 5877ba2f0056..62f19b4b9605 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -3788,12 +3788,13 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode) { struct kvm *kvm = me->kvm; struct kvm_vcpu *vcpu; - int last_boosted_vcpu = me->kvm->last_boosted_vcpu; + int last_boosted_vcpu; unsigned long i; int yielded = 0; int try = 3; int pass; + last_boosted_vcpu = READ_ONCE(kvm->last_boosted_vcpu); kvm_vcpu_set_in_spin_loop(me, true); /* * We boost the priority of a VCPU that is runnable but not @@ -3824,7 +3825,7 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode) yielded = kvm_vcpu_yield_to(vcpu); if (yielded > 0) { - kvm->last_boosted_vcpu = i; + WRITE_ONCE(kvm->last_boosted_vcpu, i); break; } else if (yielded < 0) { try--; -- 2.34.1

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[PATCH OLK-6.6 0/3] CVE-2024-39503
by Liu Jian 16 Jul '24

16 Jul '24

CVE-2024-39503 Alexander Maltsev (1): netfilter: ipset: Add list flush to cancel_gc Jozsef Kadlecsik (2): netfilter: ipset: Fix race between namespace cleanup and gc in the list:set type netfilter: ipset: Fix suspicious rcu_dereference_protected() net/netfilter/ipset/ip_set_core.c | 92 +++++++++++++++------------ net/netfilter/ipset/ip_set_list_set.c | 33 +++++----- 2 files changed, 69 insertions(+), 56 deletions(-) -- 2.34.1

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[PATCH OLK-6.6 0/2] bpf: Fix null-pointer-deref in resolve_prog_type()
by Tengda Wu 16 Jul '24

16 Jul '24

From: Tengda Wu <wutengda(a)huaweicloud.com> Hi, This patchset is going to fix null-pointer-deref in resolve_prog_type() for BPF_PROG_TYPE_EXT. `prog->aux->dst_prog` in resolve_prog_type() is assigned by `attach_prog_fd`, and would be NULL if `attach_prog_fd` is not provided. Loading EXT prog with bpf_dynptr_from_skb() kfunc call in this way will lead to null-pointer-deref. In last version we fix it by forcing `attach_prog_fd` non-empty at load time, which leads to libbpf_probe_prog_types() api broken. Currently, we fix it by just adding null check for EXT prog in resolve_prog_type() as the old way did. For the sake of safety, we compared the full test logs of selftest before and after applying these changes, and the results show that the two test logs were consistent. Best regards, Tengda Change list: v4: - Fix by add null check in resolve_prog_type() which can avoid libbpf_probe_prog_types api breaking. v3: - Add a small selftest for the BPF CI, and split 1-patch into 3-patch series as recommended by Daniel. https://lore.kernel.org/all/d16b4f29-8966-464f-b530-35e39fda3f46@huaweiclou… v2: - Fix libbpf_probe_prog_types test failure reported by CI by adapting libbpf code. (thanks for jirka's reminder) v1: https://lore.kernel.org/all/20240620060701.1465291-1-wutengda@huaweicloud.c… Tengda Wu (2): bpf: Fix null pointer dereference in resolve_prog_type() for BPF_PROG_TYPE_EXT selftests/bpf: Test for null-pointer-deref bugfix in resolve_prog_type() include/linux/bpf_verifier.h | 2 +- tools/testing/selftests/bpf/verifier/calls.c | 13 +++++++++++++ 2 files changed, 14 insertions(+), 1 deletion(-) -- 2.34.1

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[PATCH openEuler-22.03-LTS-SP1 v2] netfilter: nft_set_pipapo: do not free live element
by Wei Li 16 Jul '24

16 Jul '24

From: Florian Westphal <fw(a)strlen.de> mainline inclusion from mainline-v6.9-rc5 commit 3cfc9ec039af60dbd8965ae085b2c2ccdcfbe1cc category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I9JFG2 CVE: CVE-2024-26924 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?i… -------------------------------- Pablo reports a crash with large batches of elements with a back-to-back add/remove pattern. Quoting Pablo: add_elem("00000000") timeout 100 ms ... add_elem("0000000X") timeout 100 ms del_elem("0000000X") <---------------- delete one that was just added ... add_elem("00005000") timeout 100 ms 1) nft_pipapo_remove() removes element 0000000X Then, KASAN shows a splat. Looking at the remove function there is a chance that we will drop a rule that maps to a non-deactivated element. Removal happens in two steps, first we do a lookup for key k and return the to-be-removed element and mark it as inactive in the next generation. Then, in a second step, the element gets removed from the set/map. The _remove function does not work correctly if we have more than one element that share the same key. This can happen if we insert an element into a set when the set already holds an element with same key, but the element mapping to the existing key has timed out or is not active in the next generation. In such case its possible that removal will unmap the wrong element. If this happens, we will leak the non-deactivated element, it becomes unreachable. The element that got deactivated (and will be freed later) will remain reachable in the set data structure, this can result in a crash when such an element is retrieved during lookup (stale pointer). Add a check that the fully matching key does in fact map to the element that we have marked as inactive in the deactivation step. If not, we need to continue searching. Add a bug/warn trap at the end of the function as well, the remove function must not ever be called with an invisible/unreachable/non-existent element. v2: avoid uneeded temporary variable (Stefano) Fixes: 3c4287f62044 ("nf_tables: Add set type for arbitrary concatenation of ranges") Reported-by: Pablo Neira Ayuso <pablo(a)netfilter.org> Reviewed-by: Stefano Brivio <sbrivio(a)redhat.com> Signed-off-by: Florian Westphal <fw(a)strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo(a)netfilter.org> Conflicts: net/netfilter/nft_set_pipapo.c [lw: fix context conflict due to lack of commit f8bf7706151a ("netfilter: nf_tables: integrate pipapo into commit protocol")] Signed-off-by: Wei Li <liwei391(a)huawei.com> --- net/netfilter/nft_set_pipapo.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c index 9ca18f4c4eaf7..9b9505f31733f 100644 --- a/net/netfilter/nft_set_pipapo.c +++ b/net/netfilter/nft_set_pipapo.c @@ -1932,6 +1932,8 @@ static void nft_pipapo_remove(const struct net *net, const struct nft_set *set, rules_fx = rules_f0; nft_pipapo_for_each_field(f, i, m) { + bool last = i == m->field_count - 1; + if (!pipapo_match_field(f, start, rules_fx, match_start, match_end)) break; @@ -1944,17 +1946,19 @@ static void nft_pipapo_remove(const struct net *net, const struct nft_set *set, match_start += NFT_PIPAPO_GROUPS_PADDED_SIZE(f); match_end += NFT_PIPAPO_GROUPS_PADDED_SIZE(f); - } - if (i == m->field_count) { - priv->dirty = true; - pipapo_drop(m, rulemap); - pipapo_commit(set); - return; + if (last && f->mt[rulemap[i].to].e == e) { + priv->dirty = true; + pipapo_drop(m, rulemap); + pipapo_commit(set); + return; + } } first_rule += rules_f0; } + + WARN_ON_ONCE(1); /* elem_priv not found */ } /** -- 2.25.1

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[PATCH OLK-5.10 0/2] CVE-2024-40972
by Yifan Qiao 16 Jul '24

16 Jul '24

Jan Kara (2): ext4: fold quota accounting into ext4_xattr_inode_lookup_create() ext4: do not create EA inode under buffer lock fs/ext4/xattr.c | 154 +++++++++++++++++++++++------------------------- 1 file changed, 73 insertions(+), 81 deletions(-) -- 2.39.2

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