- Linux-stable-mirror - lists.linaro.org

[PATCH v2 04/13] KVM: nSVM: Fix consistency checks for NP_ENABLE

by Yosry Ahmed

KVM currenty fails a nested VMRUN and injects VMEXIT_INVALID (aka SVM_EXIT_ERR) if L1 sets NP_ENABLE and the host does not support NPTs. On first glance, it seems like the check should actually be for guest_cpu_cap_has(X86_FEATURE_NPT) instead, as it is possible for the host to support NPTs but the guest CPUID to not advertise it. However, the consistency check is not architectural to begin with. The APM does not mention VMEXIT_INVALID if NP_ENABLE is set on a processor that does not have X86_FEATURE_NPT. Hence, NP_ENABLE should be ignored if X86_FEATURE_NPT is not available for L1. Apart from the consistency check, this is currently the case because NP_ENABLE is actually copied from VMCB01 to VMCB02, not from VMCB12. On the other hand, the APM does mention two other consistency checks for NP_ENABLE, both of which are missing (paraphrased): In Volume #2, 15.25.3 (24593—Rev. 3.42—March 2024): If VMRUN is executed with hCR0.PG cleared to zero and NP_ENABLE set to 1, VMRUN terminates with #VMEXIT(VMEXIT_INVALID) In Volume #2, 15.25.4 (24593—Rev. 3.42—March 2024): When VMRUN is executed with nested paging enabled (NP_ENABLE = 1), the following conditions are considered illegal state combinations, in addition to those mentioned in “Canonicalization and Consistency Checks”: • Any MBZ bit of nCR3 is set. • Any G_PAT.PA field has an unsupported type encoding or any reserved field in G_PAT has a nonzero value. Replace the existing consistency check with consistency checks on hCR0.PG and nCR3. Only perform the consistency checks if L1 has X86_FEATURE_NPT and NP_ENABLE is set in VMCB12. The G_PAT consistency check will be addressed separately. As it is now possible for an L1 to run L2 with NP_ENABLE set but ignored, also check that L1 has X86_FEATURE_NPT in nested_npt_enabled(). Pass L1's CR0 to __nested_vmcb_check_controls(). In nested_vmcb_check_controls(), L1's CR0 is available through kvm_read_cr0(), as vcpu->arch.cr0 is not updated to L2's CR0 until later through nested_vmcb02_prepare_save() -> svm_set_cr0(). In svm_set_nested_state(), L1's CR0 is available in the captured save area, as svm_get_nested_state() captures L1's save area when running L2, and L1's CR0 is stashed in VMCB01 on nested VMRUN (in nested_svm_vmrun()). Fixes: 4b16184c1cca ("KVM: SVM: Initialize Nested Nested MMU context on VMRUN") Cc: stable(a)vger.kernel.org Signed-off-by: Yosry Ahmed <yosry.ahmed(a)linux.dev> --- arch/x86/kvm/svm/nested.c | 21 ++++++++++++++++----- arch/x86/kvm/svm/svm.h | 3 ++- 2 files changed, 18 insertions(+), 6 deletions(-) diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index 74211c5c68026..87bcc5eff96e8 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -325,7 +325,8 @@ static bool nested_svm_check_bitmap_pa(struct kvm_vcpu *vcpu, u64 pa, u32 size) } static bool __nested_vmcb_check_controls(struct kvm_vcpu *vcpu, - struct vmcb_ctrl_area_cached *control) + struct vmcb_ctrl_area_cached *control, + unsigned long l1_cr0) { if (CC(!vmcb12_is_intercept(control, INTERCEPT_VMRUN))) return false; @@ -333,8 +334,12 @@ static bool __nested_vmcb_check_controls(struct kvm_vcpu *vcpu, if (CC(control->asid == 0)) return false; - if (CC((control->nested_ctl & SVM_NESTED_CTL_NP_ENABLE) && !npt_enabled)) - return false; + if (nested_npt_enabled(to_svm(vcpu))) { + if (CC(!kvm_vcpu_is_legal_gpa(vcpu, control->nested_cr3))) + return false; + if (CC(!(l1_cr0 & X86_CR0_PG))) + return false; + } if (CC(!nested_svm_check_bitmap_pa(vcpu, control->msrpm_base_pa, MSRPM_SIZE))) @@ -400,7 +405,12 @@ static bool nested_vmcb_check_controls(struct kvm_vcpu *vcpu) struct vcpu_svm *svm = to_svm(vcpu); struct vmcb_ctrl_area_cached *ctl = &svm->nested.ctl; - return __nested_vmcb_check_controls(vcpu, ctl); + /* + * Make sure we did not enter guest mode yet, in which case + * kvm_read_cr0() could return L2's CR0. + */ + WARN_ON_ONCE(is_guest_mode(vcpu)); + return __nested_vmcb_check_controls(vcpu, ctl, kvm_read_cr0(vcpu)); } static @@ -1831,7 +1841,8 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu, ret = -EINVAL; __nested_copy_vmcb_control_to_cache(vcpu, &ctl_cached, ctl); - if (!__nested_vmcb_check_controls(vcpu, &ctl_cached)) + /* 'save' contains L1 state saved from before VMRUN */ + if (!__nested_vmcb_check_controls(vcpu, &ctl_cached, save->cr0)) goto out_free; /* diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index f6fb70ddf7272..3e805a43ffcdb 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -552,7 +552,8 @@ static inline bool gif_set(struct vcpu_svm *svm) static inline bool nested_npt_enabled(struct vcpu_svm *svm) { - return svm->nested.ctl.nested_ctl & SVM_NESTED_CTL_NP_ENABLE; + return guest_cpu_cap_has(&svm->vcpu, X86_FEATURE_NPT) && + svm->nested.ctl.nested_ctl & SVM_NESTED_CTL_NP_ENABLE; } static inline bool nested_vnmi_enabled(struct vcpu_svm *svm) -- 2.51.2.1041.gc1ab5b90ca-goog

13 hours, 4 minutes

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[PATCH v2] net: fealnx: fix possible 'card_idx' integer overflow in

by Ilya Krutskih

'card_idx' can be overflowed when fealnx_init_one() will be called more than INT_MAX times. Check before incremention is required. Fixes: 15c037d6423e ("fealnx: Move the Myson driver") Cc: stable(a)vger.kernel.org # v5.10+ Signed-off-by: Ilya Krutskih <devsec(a)tpz.ru> --- drivers/net/ethernet/fealnx.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/fealnx.c b/drivers/net/ethernet/fealnx.c index 6ac8547ef9b8..7eb6e42b4551 100644 --- a/drivers/net/ethernet/fealnx.c +++ b/drivers/net/ethernet/fealnx.c @@ -489,7 +489,10 @@ static int fealnx_init_one(struct pci_dev *pdev, int bar = 1; #endif - card_idx++; + if (card_idx == INT_MAX) + return -EINVAL; + else + card_idx++; sprintf(boardname, "fealnx%d", card_idx); option = card_idx < MAX_UNITS ? options[card_idx] : 0; -- 2.43.0

13 hours, 50 minutes

5
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[PATCH] erspan: Initialize options_len before referencing options.

by Frode Nordahl

The struct ip_tunnel_info has a flexible array member named options that is protected by a counted_by(options_len) attribute. The compiler will use this information to enforce runtime bounds checking deployed by FORTIFY_SOURCE string helpers. As laid out in the GCC documentation, the counter must be initialized before the first reference to the flexible array member. In the normal case the ip_tunnel_info_opts_set() helper is used which would initialize options_len properly, however in the GRE ERSPAN code a partial update is done, preventing the use of the helper function. Before this change the handling of ERSPAN traffic in GRE tunnels would cause a kernel panic when the kernel is compiled with GCC 15+ and having FORTIFY_SOURCE configured: memcpy: detected buffer overflow: 4 byte write of buffer size 0 Call Trace: <IRQ> __fortify_panic+0xd/0xf erspan_rcv.cold+0x68/0x83 ? ip_route_input_slow+0x816/0x9d0 gre_rcv+0x1b2/0x1c0 gre_rcv+0x8e/0x100 ? raw_v4_input+0x2a0/0x2b0 ip_protocol_deliver_rcu+0x1ea/0x210 ip_local_deliver_finish+0x86/0x110 ip_local_deliver+0x65/0x110 ? ip_rcv_finish_core+0xd6/0x360 ip_rcv+0x186/0x1a0 Link: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-co… Reported-at: https://launchpad.net/bugs/2129580 Fixes: bb5e62f2d547 ("net: Add options as a flexible array to struct ip_tunnel_info") Signed-off-by: Frode Nordahl <fnordahl(a)ubuntu.com> --- net/ipv4/ip_gre.c | 18 ++++++++++++++++-- net/ipv6/ip6_gre.c | 18 ++++++++++++++++-- 2 files changed, 32 insertions(+), 4 deletions(-) diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 761a53c6a89a..285a656c9e41 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -330,6 +330,22 @@ static int erspan_rcv(struct sk_buff *skb, struct tnl_ptk_info *tpi, if (!tun_dst) return PACKET_REJECT; + /* The struct ip_tunnel_info has a flexible array member named + * options that is protected by a counted_by(options_len) + * attribute. + * + * The compiler will use this information to enforce runtime bounds + * checking deployed by FORTIFY_SOURCE string helpers. + * + * As laid out in the GCC documentation, the counter must be + * initialized before the first reference to the flexible array + * member. + * + * Link: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-co… + */ + info = &tun_dst->u.tun_info; + info->options_len = sizeof(*md); + /* skb can be uncloned in __iptunnel_pull_header, so * old pkt_md is no longer valid and we need to reset * it @@ -344,10 +360,8 @@ static int erspan_rcv(struct sk_buff *skb, struct tnl_ptk_info *tpi, memcpy(md2, pkt_md, ver == 1 ? ERSPAN_V1_MDSIZE : ERSPAN_V2_MDSIZE); - info = &tun_dst->u.tun_info; __set_bit(IP_TUNNEL_ERSPAN_OPT_BIT, info->key.tun_flags); - info->options_len = sizeof(*md); } skb_reset_mac_header(skb); diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index c82a75510c0e..eb840a11b93b 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -535,6 +535,22 @@ static int ip6erspan_rcv(struct sk_buff *skb, if (!tun_dst) return PACKET_REJECT; + /* The struct ip_tunnel_info has a flexible array member named + * options that is protected by a counted_by(options_len) + * attribute. + * + * The compiler will use this information to enforce runtime bounds + * checking deployed by FORTIFY_SOURCE string helpers. + * + * As laid out in the GCC documentation, the counter must be + * initialized before the first reference to the flexible array + * member. + * + * Link: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-co… + */ + info = &tun_dst->u.tun_info; + info->options_len = sizeof(*md); + /* skb can be uncloned in __iptunnel_pull_header, so * old pkt_md is no longer valid and we need to reset * it @@ -543,7 +559,6 @@ static int ip6erspan_rcv(struct sk_buff *skb, skb_network_header_len(skb); pkt_md = (struct erspan_metadata *)(gh + gre_hdr_len + sizeof(*ershdr)); - info = &tun_dst->u.tun_info; md = ip_tunnel_info_opts(info); md->version = ver; md2 = &md->u.md2; @@ -551,7 +566,6 @@ static int ip6erspan_rcv(struct sk_buff *skb, ERSPAN_V2_MDSIZE); __set_bit(IP_TUNNEL_ERSPAN_OPT_BIT, info->key.tun_flags); - info->options_len = sizeof(*md); ip6_tnl_rcv(tunnel, skb, tpi, tun_dst, log_ecn_error); -- 2.43.0

19 hours, 47 minutes

4
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[PATCH] vfs: fix EBUSY on FSCONFIG_CMD_CREATE retry

by Chen Linxuan via B4 Relay

From: Chen Linxuan <me(a)black-desk.cn> When using fsconfig(..., FSCONFIG_CMD_CREATE, ...), the filesystem context is retrieved from the file descriptor. Since the file structure persists across syscall restarts, the context state is preserved: // fs/fsopen.c SYSCALL_DEFINE5(fsconfig, ...) { ... fc = fd_file(f)->private_data; ... ret = vfs_fsconfig_locked(fc, cmd, &param); ... } In vfs_cmd_create(), the context phase is transitioned to FS_CONTEXT_CREATING before calling vfs_get_tree(): // fs/fsopen.c static int vfs_cmd_create(struct fs_context *fc, bool exclusive) { ... fc->phase = FS_CONTEXT_CREATING; ... ret = vfs_get_tree(fc); ... } However, vfs_get_tree() may return -ERESTARTNOINTR if the filesystem implementation needs to restart the syscall. For example, cgroup v1 does this when it encounters a race condition where the root is dying: // kernel/cgroup/cgroup-v1.c int cgroup1_get_tree(struct fs_context *fc) { ... if (unlikely(ret > 0)) { msleep(10); return restart_syscall(); } return ret; } If the syscall is restarted, fsconfig() is called again and retrieves the *same* fs_context. However, vfs_cmd_create() rejects the call because the phase was left as FS_CONTEXT_CREATING during the first attempt: if (fc->phase != FS_CONTEXT_CREATE_PARAMS) return -EBUSY; Fix this by resetting fc->phase back to FS_CONTEXT_CREATE_PARAMS if vfs_get_tree() returns -ERESTARTNOINTR. Cc: stable(a)vger.kernel.org Signed-off-by: Chen Linxuan <me(a)black-desk.cn> --- fs/fsopen.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/fsopen.c b/fs/fsopen.c index f645c99204eb..8a7cb031af50 100644 --- a/fs/fsopen.c +++ b/fs/fsopen.c @@ -229,6 +229,10 @@ static int vfs_cmd_create(struct fs_context *fc, bool exclusive) fc->exclusive = exclusive; ret = vfs_get_tree(fc); + if (ret == -ERESTARTNOINTR) { + fc->phase = FS_CONTEXT_CREATE_PARAMS; + return ret; + } if (ret) { fc->phase = FS_CONTEXT_FAILED; return ret; --- base-commit: 187d0801404f415f22c0b31531982c7ea97fa341 change-id: 20251213-mount-ebusy-8ee3888a7e4f Best regards, -- Chen Linxuan <me(a)black-desk.cn>

20 hours, 7 minutes

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Linux 6.18.1

by Greg Kroah-Hartman

I'm announcing the release of the 6.18.1 kernel. All users of the 6.18 kernel series must upgrade. The updated 6.18.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-6.18.y and can be browsed at the normal kernel.org git web browser: https://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary thanks, greg k-h ------------ Documentation/devicetree/bindings/serial/renesas,rsci.yaml | 2 Documentation/process/2.Process.rst | 6 Documentation/tools/rtla/common_appendix.rst | 24 -- Documentation/tools/rtla/common_appendix.txt | 24 ++ Documentation/tools/rtla/common_hist_options.rst | 23 -- Documentation/tools/rtla/common_hist_options.txt | 23 ++ Documentation/tools/rtla/common_options.rst | 119 ------------- Documentation/tools/rtla/common_options.txt | 119 +++++++++++++ Documentation/tools/rtla/common_osnoise_description.rst | 8 Documentation/tools/rtla/common_osnoise_description.txt | 8 Documentation/tools/rtla/common_osnoise_options.rst | 39 ---- Documentation/tools/rtla/common_osnoise_options.txt | 39 ++++ Documentation/tools/rtla/common_timerlat_aa.rst | 7 Documentation/tools/rtla/common_timerlat_aa.txt | 7 Documentation/tools/rtla/common_timerlat_description.rst | 18 - Documentation/tools/rtla/common_timerlat_description.txt | 18 + Documentation/tools/rtla/common_timerlat_options.rst | 67 ------- Documentation/tools/rtla/common_timerlat_options.txt | 67 +++++++ Documentation/tools/rtla/common_top_options.rst | 3 Documentation/tools/rtla/common_top_options.txt | 3 Documentation/tools/rtla/rtla-hwnoise.rst | 8 Documentation/tools/rtla/rtla-osnoise-hist.rst | 10 - Documentation/tools/rtla/rtla-osnoise-top.rst | 10 - Documentation/tools/rtla/rtla-osnoise.rst | 4 Documentation/tools/rtla/rtla-timerlat-hist.rst | 12 - Documentation/tools/rtla/rtla-timerlat-top.rst | 12 - Documentation/tools/rtla/rtla-timerlat.rst | 4 Documentation/tools/rtla/rtla.rst | 2 Makefile | 2 arch/x86/include/asm/kvm_host.h | 9 arch/x86/kvm/svm/svm.c | 24 +- arch/x86/kvm/x86.c | 21 ++ crypto/zstd.c | 7 drivers/android/binder/node.rs | 6 drivers/comedi/comedi_fops.c | 42 +++- drivers/comedi/drivers/c6xdigio.c | 46 +++-- drivers/comedi/drivers/multiq3.c | 9 drivers/comedi/drivers/pcl818.c | 5 drivers/iio/adc/ad4080.c | 9 drivers/net/wireless/realtek/rtl8xxxu/core.c | 3 drivers/net/wireless/realtek/rtw88/rtw8822cu.c | 2 drivers/staging/rtl8723bs/core/rtw_ieee80211.c | 14 - drivers/staging/rtl8723bs/core/rtw_mlme_ext.c | 13 - drivers/tty/serial/8250/8250_pci.c | 37 ++++ drivers/tty/serial/sh-sci.c | 12 + drivers/usb/serial/belkin_sa.c | 28 +-- drivers/usb/serial/ftdi_sio.c | 72 ++----- drivers/usb/serial/kobil_sct.c | 18 - drivers/usb/serial/option.c | 22 ++ fs/ext4/inline.c | 14 + fs/jbd2/transaction.c | 19 +- fs/smb/server/transport_ipc.c | 7 kernel/locking/spinlock_debug.c | 4 53 files changed, 650 insertions(+), 481 deletions(-) Alexander Sverdlin (1): locking/spinlock/debug: Fix data-race in do_raw_write_lock Alexey Nepomnyashih (1): ext4: add i_data_sem protection in ext4_destroy_inline_data_nolock() Alice Ryhl (1): rust_binder: fix race condition on death_list Antoniu Miclaus (1): iio: adc: ad4080: fix chip identification Bagas Sanjaya (1): Documentation: process: Also mention Sasha Levin as stable tree maintainer Biju Das (2): dt-bindings: serial: rsci: Drop "uart-has-rtscts: false" serial: sh-sci: Fix deadlock during RSCI FIFO overrun error Deepanshu Kartikey (1): ext4: refresh inline data size before write operations Fabio Porcedda (2): USB: serial: option: add Telit Cinterion FE910C04 new compositions USB: serial: option: move Telit 0x10c7 composition in the right place Giovanni Cabiddu (1): crypto: zstd - fix double-free in per-CPU stream cleanup Gopi Krishna Menon (1): Documentation/rtla: rename common_xxx.rst files to common_xxx.txt Greg Kroah-Hartman (1): Linux 6.18.1 Ian Abbott (1): comedi: c6xdigio: Fix invalid PNP driver unregistration Johan Hovold (3): USB: serial: ftdi_sio: match on interface number for jtag USB: serial: belkin_sa: fix TIOCMBIS and TIOCMBIC USB: serial: kobil_sct: fix TIOCMBIS and TIOCMBIC Magne Bruno (1): serial: add support of CPCI cards Navaneeth K (3): staging: rtl8723bs: fix out-of-bounds read in rtw_get_ie() parser staging: rtl8723bs: fix stack buffer overflow in OnAssocReq IE parsing staging: rtl8723bs: fix out-of-bounds read in OnBeacon ESR IE parsing Nikita Zhandarovich (3): comedi: pcl818: fix null-ptr-deref in pcl818_ai_cancel() comedi: multiq3: sanitize config options in multiq3_attach() comedi: check device's attached status in compat ioctls Omar Sandoval (1): KVM: SVM: Don't skip unrelated instruction if INT3/INTO is replaced Qianchang Zhao (1): ksmbd: ipc: fix use-after-free in ipc_msg_send_request Slark Xiao (1): USB: serial: option: add Foxconn T99W760 Ye Bin (1): jbd2: avoid bug_on in jbd2_journal_get_create_access() when file system corrupted Zenm Chen (2): wifi: rtl8xxxu: Add USB ID 2001:3328 for D-Link AN3U rev. A1 wifi: rtw88: Add USB ID 2001:3329 for D-Link AC13U rev. A1

20 hours, 20 minutes

1
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Linux 6.17.12

by Greg Kroah-Hartman

I'm announcing the release of the 6.17.12 kernel. All users of the 6.17 kernel series must upgrade. The updated 6.17.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-6.17.y and can be browsed at the normal kernel.org git web browser: https://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary thanks, greg k-h ------------ Documentation/devicetree/bindings/serial/renesas,rsci.yaml | 2 Documentation/process/2.Process.rst | 6 Makefile | 2 arch/arm64/include/asm/alternative.h | 7 arch/arm64/kernel/alternative.c | 19 +- arch/arm64/kernel/module.c | 9 - arch/loongarch/kernel/machine_kexec.c | 2 arch/x86/include/asm/kvm_host.h | 9 + arch/x86/kvm/svm/svm.c | 24 +-- arch/x86/kvm/x86.c | 21 ++ crypto/zstd.c | 7 drivers/acpi/acpi_mrrm.c | 43 ++++- drivers/bluetooth/btrtl.c | 24 +-- drivers/comedi/comedi_fops.c | 42 +++++ drivers/comedi/drivers/c6xdigio.c | 46 ++++-- drivers/comedi/drivers/multiq3.c | 9 + drivers/comedi/drivers/pcl818.c | 5 drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 2 drivers/gpu/drm/vmwgfx/vmwgfx_page_dirty.c | 12 - drivers/hid/hid-apple.c | 1 drivers/hid/hid-elecom.c | 6 drivers/hid/hid-ids.h | 4 drivers/hid/hid-input.c | 5 drivers/hid/hid-lenovo.c | 17 ++ drivers/hid/hid-quirks.c | 3 drivers/iio/adc/ad4080.c | 9 - drivers/net/wireless/realtek/rtl8xxxu/core.c | 3 drivers/net/wireless/realtek/rtw88/rtw8822cu.c | 2 drivers/nvme/host/core.c | 3 drivers/pinctrl/qcom/pinctrl-msm.c | 2 drivers/platform/x86/acer-wmi.c | 4 drivers/platform/x86/amd/pmc/pmc-quirks.c | 25 +++ drivers/platform/x86/amd/pmc/pmc.c | 3 drivers/platform/x86/amd/pmc/pmc.h | 1 drivers/platform/x86/hp/hp-wmi.c | 6 drivers/platform/x86/huawei-wmi.c | 4 drivers/platform/x86/intel/hid.c | 1 drivers/platform/x86/intel/uncore-frequency/uncore-frequency.c | 4 drivers/spi/spi-imx.c | 15 +- drivers/spi/spi-xilinx.c | 2 drivers/staging/rtl8723bs/core/rtw_ieee80211.c | 14 + drivers/staging/rtl8723bs/core/rtw_mlme_ext.c | 13 + drivers/tty/serial/8250/8250_pci.c | 37 +++++ drivers/tty/serial/sh-sci.c | 12 + drivers/usb/serial/belkin_sa.c | 28 ++- drivers/usb/serial/ftdi_sio.c | 72 +++------- drivers/usb/serial/kobil_sct.c | 18 +- drivers/usb/serial/option.c | 22 ++- fs/bfs/inode.c | 19 ++ fs/ext4/inline.c | 14 + fs/jbd2/transaction.c | 19 +- fs/smb/client/fs_context.c | 2 fs/smb/server/transport_ipc.c | 7 kernel/locking/spinlock_debug.c | 4 kernel/sched/ext.c | 4 kernel/trace/ftrace.c | 40 ++++- samples/vfs/test-statx.c | 6 samples/watch_queue/watch_test.c | 6 sound/hda/codecs/realtek/alc269.c | 9 + sound/soc/sdca/sdca_functions.c | 3 sound/usb/quirks.c | 6 61 files changed, 559 insertions(+), 207 deletions(-) Adrian Barnaś (1): arm64: Reject modules with internal alternative callbacks Alexander Sverdlin (1): locking/spinlock/debug: Fix data-race in do_raw_write_lock Alexey Nepomnyashih (1): ext4: add i_data_sem protection in ext4_destroy_inline_data_nolock() Alvaro Gamez Machado (1): spi: xilinx: increase number of retries before declaring stall Antheas Kapenekakis (3): platform/x86/amd/pmc: Add support for Van Gogh SoC platform/x86/amd: pmc: Add Lenovo Legion Go 2 to pmc quirk list platform/x86/amd/pmc: Add spurious_8042 to Xbox Ally Antoniu Miclaus (1): iio: adc: ad4080: fix chip identification April Grimoire (1): HID: apple: Add SONiX AK870 PRO to non_apple_keyboards quirk list Armin Wolf (1): platform/x86: acer-wmi: Ignore backlight event Bagas Sanjaya (1): Documentation: process: Also mention Sasha Levin as stable tree maintainer Baojun Xu (1): ALSA: hda/tas2781: Add new quirk for HP new projects Biju Das (2): dt-bindings: serial: rsci: Drop "uart-has-rtscts: false" serial: sh-sci: Fix deadlock during RSCI FIFO overrun error Deepanshu Kartikey (1): ext4: refresh inline data size before write operations Edip Hazuri (1): platform/x86: hp-wmi: mark Victus 16-r0 and 16-s0 for victus_s fan and thermal profile support Fabio Porcedda (2): USB: serial: option: add Telit Cinterion FE910C04 new compositions USB: serial: option: move Telit 0x10c7 composition in the right place Giovanni Cabiddu (1): crypto: zstd - fix double-free in per-CPU stream cleanup Greg Kroah-Hartman (1): Linux 6.17.12 Harish Kasiviswanathan (1): drm/amdkfd: Fix GPU mappings for APU after prefetch Huacai Chen (1): LoongArch: Mask all interrupts during kexec/kdump Ian Abbott (1): comedi: c6xdigio: Fix invalid PNP driver unregistration Ian Forbes (1): drm/vmwgfx: Use kref in vmw_bo_dirty Jia Ston (1): platform/x86: huawei-wmi: add keys for HONOR models Johan Hovold (3): USB: serial: ftdi_sio: match on interface number for jtag USB: serial: belkin_sa: fix TIOCMBIS and TIOCMBIC USB: serial: kobil_sct: fix TIOCMBIS and TIOCMBIC Kaushlendra Kumar (1): ACPI: MRRM: Fix memory leaks and improve error handling Keith Busch (1): nvme: fix admin request_queue lifetime Krishna Chomal (1): platform/x86: hp-wmi: Add Omen 16-wf1xxx fan support Kuppuswamy Sathyanarayanan (1): platform/x86: intel-uncore-freq: Add additional client processors Lauri Tirkkonen (1): HID: lenovo: fixup Lenovo Yoga Slim 7x Keyboard rdesc Linus Torvalds (1): samples: work around glibc redefining some of our defines wrong Lushih Hsieh (1): ALSA: usb-audio: Add native DSD quirks for PureAudio DAC series Magne Bruno (1): serial: add support of CPCI cards Marcos Vega (1): platform/x86: hp-wmi: Add Omen MAX 16-ah0xx fan support and thermal profile Mario Limonciello (AMD) (1): HID: hid-input: Extend Elan ignore battery quirk to USB Max Chou (1): Bluetooth: btrtl: Avoid loading the config file on security chips Naoki Ueki (1): HID: elecom: Add support for ELECOM M-XT3URBK (018F) Navaneeth K (3): staging: rtl8723bs: fix out-of-bounds read in rtw_get_ie() parser staging: rtl8723bs: fix stack buffer overflow in OnAssocReq IE parsing staging: rtl8723bs: fix out-of-bounds read in OnBeacon ESR IE parsing Nikita Zhandarovich (3): comedi: pcl818: fix null-ptr-deref in pcl818_ai_cancel() comedi: multiq3: sanitize config options in multiq3_attach() comedi: check device's attached status in compat ioctls Niranjan H Y (1): ASoC: SDCA: bug fix while parsing mipi-sdca-control-cn-list Omar Sandoval (1): KVM: SVM: Don't skip unrelated instruction if INT3/INTO is replaced Praveen Talari (1): pinctrl: qcom: msm: Fix deadlock in pinmux configuration Qianchang Zhao (1): ksmbd: ipc: fix use-after-free in ipc_msg_send_request Robin Gong (1): spi: imx: keep dma request disabled before dma transfer setup Slark Xiao (1): USB: serial: option: add Foxconn T99W760 Song Liu (1): ftrace: bpf: Fix IPMODIFY + DIRECT in modify_ftrace_direct() Srinivas Pandruvada (1): platform/x86/intel/hid: Add Nova Lake support Tetsuo Handa (1): bfs: Reconstruct file type when loading from disk Ye Bin (1): jbd2: avoid bug_on in jbd2_journal_get_create_access() when file system corrupted Yiqi Sun (1): smb: fix invalid username check in smb3_fs_context_parse_param() Zenm Chen (2): wifi: rtl8xxxu: Add USB ID 2001:3328 for D-Link AN3U rev. A1 wifi: rtw88: Add USB ID 2001:3329 for D-Link AC13U rev. A1 Zqiang (2): sched_ext: Fix possible deadlock in the deferred_irq_workfn() sched_ext: Use IRQ_WORK_INIT_HARD() to initialize rq->scx.kick_cpus_irq_work

20 hours, 21 minutes

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Linux 6.12.62

by Greg Kroah-Hartman

I'm announcing the release of the 6.12.62 kernel. All users of the 6.12 kernel series must upgrade. The updated 6.12.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-6.12.y and can be browsed at the normal kernel.org git web browser: https://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary thanks, greg k-h ------------ Documentation/process/2.Process.rst | 6 +- Makefile | 2 arch/loongarch/kernel/machine_kexec.c | 2 arch/x86/include/asm/kvm_host.h | 9 +++ arch/x86/kvm/svm/svm.c | 24 ++++---- arch/x86/kvm/x86.c | 21 +++++++ drivers/bluetooth/btrtl.c | 24 ++++---- drivers/bus/mhi/host/pci_generic.c | 52 ++++++++++++++++++ drivers/comedi/comedi_fops.c | 42 ++++++++++++-- drivers/comedi/drivers/c6xdigio.c | 46 ++++++++++++--- drivers/comedi/drivers/multiq3.c | 9 +++ drivers/comedi/drivers/pcl818.c | 5 - drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 2 drivers/gpu/drm/vmwgfx/vmwgfx_page_dirty.c | 12 +--- drivers/hid/hid-apple.c | 1 drivers/hid/hid-elecom.c | 6 +- drivers/hid/hid-ids.h | 3 - drivers/hid/hid-input.c | 5 + drivers/hid/hid-quirks.c | 3 - drivers/net/wireless/realtek/rtl8xxxu/core.c | 3 + drivers/net/wireless/realtek/rtw88/rtw8822cu.c | 2 drivers/nvme/host/core.c | 3 - drivers/pinctrl/qcom/pinctrl-msm.c | 2 drivers/platform/x86/acer-wmi.c | 4 + drivers/platform/x86/amd/pmc/pmc-quirks.c | 25 ++++++++ drivers/platform/x86/huawei-wmi.c | 4 + drivers/spi/spi-imx.c | 15 +++-- drivers/spi/spi-xilinx.c | 2 drivers/staging/rtl8723bs/core/rtw_ieee80211.c | 14 ++-- drivers/staging/rtl8723bs/core/rtw_mlme_ext.c | 13 +++- drivers/tty/serial/8250/8250_pci.c | 37 ++++++++++++ drivers/usb/serial/belkin_sa.c | 28 +++++---- drivers/usb/serial/ftdi_sio.c | 72 ++++++++----------------- drivers/usb/serial/kobil_sct.c | 18 +++--- drivers/usb/serial/option.c | 22 ++++++- fs/bfs/inode.c | 19 ++++++ fs/ext4/inline.c | 14 ++++ fs/jbd2/transaction.c | 19 ++++-- fs/smb/client/fs_context.c | 2 fs/smb/server/transport_ipc.c | 7 +- include/net/xfrm.h | 13 +--- kernel/locking/spinlock_debug.c | 4 - kernel/trace/ftrace.c | 40 ++++++++++--- net/ipv4/ipcomp.c | 2 net/ipv6/ipcomp6.c | 2 net/ipv6/xfrm6_tunnel.c | 2 net/key/af_key.c | 2 net/xfrm/xfrm_ipcomp.c | 1 net/xfrm/xfrm_state.c | 41 +++++--------- net/xfrm/xfrm_user.c | 2 samples/vfs/test-statx.c | 6 ++ samples/watch_queue/watch_test.c | 6 ++ sound/usb/quirks.c | 6 ++ 53 files changed, 520 insertions(+), 206 deletions(-) Alexander Sverdlin (1): locking/spinlock/debug: Fix data-race in do_raw_write_lock Alexey Nepomnyashih (1): ext4: add i_data_sem protection in ext4_destroy_inline_data_nolock() Alvaro Gamez Machado (1): spi: xilinx: increase number of retries before declaring stall Antheas Kapenekakis (2): platform/x86/amd: pmc: Add Lenovo Legion Go 2 to pmc quirk list platform/x86/amd/pmc: Add spurious_8042 to Xbox Ally April Grimoire (1): HID: apple: Add SONiX AK870 PRO to non_apple_keyboards quirk list Armin Wolf (1): platform/x86: acer-wmi: Ignore backlight event Bagas Sanjaya (1): Documentation: process: Also mention Sasha Levin as stable tree maintainer Daniele Palmas (2): bus: mhi: host: pci_generic: Add Telit FN920C04 modem support bus: mhi: host: pci_generic: Add Telit FN990B40 modem support Deepanshu Kartikey (1): ext4: refresh inline data size before write operations Fabio Porcedda (2): USB: serial: option: add Telit Cinterion FE910C04 new compositions USB: serial: option: move Telit 0x10c7 composition in the right place Greg Kroah-Hartman (1): Linux 6.12.62 Harish Kasiviswanathan (1): drm/amdkfd: Fix GPU mappings for APU after prefetch Huacai Chen (1): LoongArch: Mask all interrupts during kexec/kdump Ian Abbott (1): comedi: c6xdigio: Fix invalid PNP driver unregistration Ian Forbes (1): drm/vmwgfx: Use kref in vmw_bo_dirty Jia Ston (1): platform/x86: huawei-wmi: add keys for HONOR models Johan Hovold (3): USB: serial: ftdi_sio: match on interface number for jtag USB: serial: belkin_sa: fix TIOCMBIS and TIOCMBIC USB: serial: kobil_sct: fix TIOCMBIS and TIOCMBIC Keith Busch (1): nvme: fix admin request_queue lifetime Linus Torvalds (1): samples: work around glibc redefining some of our defines wrong Lushih Hsieh (1): ALSA: usb-audio: Add native DSD quirks for PureAudio DAC series Magne Bruno (1): serial: add support of CPCI cards Mario Limonciello (AMD) (1): HID: hid-input: Extend Elan ignore battery quirk to USB Max Chou (1): Bluetooth: btrtl: Avoid loading the config file on security chips Naoki Ueki (1): HID: elecom: Add support for ELECOM M-XT3URBK (018F) Navaneeth K (3): staging: rtl8723bs: fix out-of-bounds read in rtw_get_ie() parser staging: rtl8723bs: fix stack buffer overflow in OnAssocReq IE parsing staging: rtl8723bs: fix out-of-bounds read in OnBeacon ESR IE parsing Nikita Zhandarovich (3): comedi: pcl818: fix null-ptr-deref in pcl818_ai_cancel() comedi: multiq3: sanitize config options in multiq3_attach() comedi: check device's attached status in compat ioctls Omar Sandoval (1): KVM: SVM: Don't skip unrelated instruction if INT3/INTO is replaced Praveen Talari (1): pinctrl: qcom: msm: Fix deadlock in pinmux configuration Qianchang Zhao (1): ksmbd: ipc: fix use-after-free in ipc_msg_send_request Robin Gong (1): spi: imx: keep dma request disabled before dma transfer setup Sabrina Dubroca (4): xfrm: delete x->tunnel as we delete x Revert "xfrm: destroy xfrm_state synchronously on net exit path" xfrm: also call xfrm_state_delete_tunnel at destroy time for states that were never added xfrm: flush all states in xfrm_state_fini Slark Xiao (1): USB: serial: option: add Foxconn T99W760 Song Liu (1): ftrace: bpf: Fix IPMODIFY + DIRECT in modify_ftrace_direct() Tetsuo Handa (1): bfs: Reconstruct file type when loading from disk Ye Bin (1): jbd2: avoid bug_on in jbd2_journal_get_create_access() when file system corrupted Yiqi Sun (1): smb: fix invalid username check in smb3_fs_context_parse_param() Zenm Chen (2): wifi: rtl8xxxu: Add USB ID 2001:3328 for D-Link AN3U rev. A1 wifi: rtw88: Add USB ID 2001:3329 for D-Link AC13U rev. A1

20 hours, 21 minutes

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[PATCH 5.15.y] mmc: core: use sysfs_emit() instead of sprintf()

by Chen Yu

From: Sergey Shtylyov <s.shtylyov(a)omp.ru> [ Upstream commit f5d8a5fe77ce933f53eb8f2e22bb7a1a2019ea11 ] sprintf() (still used in the MMC core for the sysfs output) is vulnerable to the buffer overflow. Use the new-fangled sysfs_emit() instead. Found by Linux Verification Center (linuxtesting.org) with the SVACE static analysis tool. Signed-off-by: Sergey Shtylyov <s.shtylyov(a)omp.ru> Cc: stable(a)vger.kernel.org Link: https://lore.kernel.org/r/717729b2-d65b-c72e-9fac-471d28d00b5a@omp.ru Signed-off-by: Ulf Hansson <ulf.hansson(a)linaro.org> Signed-off-by: Chen Yu <xnguchen(a)sina.cn> --- drivers/mmc/core/bus.c | 9 +++++---- drivers/mmc/core/bus.h | 3 ++- drivers/mmc/core/mmc.c | 16 ++++++++-------- drivers/mmc/core/sd.c | 25 ++++++++++++------------- drivers/mmc/core/sdio.c | 5 +++-- drivers/mmc/core/sdio_bus.c | 7 ++++--- 6 files changed, 34 insertions(+), 31 deletions(-) diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index c25c58473a91..c80d61780ea9 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -15,6 +15,7 @@ #include <linux/stat.h> #include <linux/of.h> #include <linux/pm_runtime.h> +#include <linux/sysfs.h> #include <linux/mmc/card.h> #include <linux/mmc/host.h> @@ -34,13 +35,13 @@ static ssize_t type_show(struct device *dev, switch (card->type) { case MMC_TYPE_MMC: - return sprintf(buf, "MMC\n"); + return sysfs_emit(buf, "MMC\n"); case MMC_TYPE_SD: - return sprintf(buf, "SD\n"); + return sysfs_emit(buf, "SD\n"); case MMC_TYPE_SDIO: - return sprintf(buf, "SDIO\n"); + return sysfs_emit(buf, "SDIO\n"); case MMC_TYPE_SD_COMBO: - return sprintf(buf, "SDcombo\n"); + return sysfs_emit(buf, "SDcombo\n"); default: return -EFAULT; } diff --git a/drivers/mmc/core/bus.h b/drivers/mmc/core/bus.h index 8105852c4b62..3996b191b68d 100644 --- a/drivers/mmc/core/bus.h +++ b/drivers/mmc/core/bus.h @@ -9,6 +9,7 @@ #define _MMC_CORE_BUS_H #include <linux/device.h> +#include <linux/sysfs.h> struct mmc_host; struct mmc_card; @@ -17,7 +18,7 @@ struct mmc_card; static ssize_t mmc_##name##_show (struct device *dev, struct device_attribute *attr, char *buf) \ { \ struct mmc_card *card = mmc_dev_to_card(dev); \ - return sprintf(buf, fmt, args); \ + return sysfs_emit(buf, fmt, args); \ } \ static DEVICE_ATTR(name, S_IRUGO, mmc_##name##_show, NULL) diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index a56906633ddf..958bd901a136 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -12,6 +12,7 @@ #include <linux/slab.h> #include <linux/stat.h> #include <linux/pm_runtime.h> +#include <linux/sysfs.h> #include <linux/mmc/host.h> #include <linux/mmc/card.h> @@ -812,12 +813,11 @@ static ssize_t mmc_fwrev_show(struct device *dev, { struct mmc_card *card = mmc_dev_to_card(dev); - if (card->ext_csd.rev < 7) { - return sprintf(buf, "0x%x\n", card->cid.fwrev); - } else { - return sprintf(buf, "0x%*phN\n", MMC_FIRMWARE_LEN, - card->ext_csd.fwrev); - } + if (card->ext_csd.rev < 7) + return sysfs_emit(buf, "0x%x\n", card->cid.fwrev); + else + return sysfs_emit(buf, "0x%*phN\n", MMC_FIRMWARE_LEN, + card->ext_csd.fwrev); } static DEVICE_ATTR(fwrev, S_IRUGO, mmc_fwrev_show, NULL); @@ -830,10 +830,10 @@ static ssize_t mmc_dsr_show(struct device *dev, struct mmc_host *host = card->host; if (card->csd.dsr_imp && host->dsr_req) - return sprintf(buf, "0x%x\n", host->dsr); + return sysfs_emit(buf, "0x%x\n", host->dsr); else /* return default DSR value */ - return sprintf(buf, "0x%x\n", 0x404); + return sysfs_emit(buf, "0x%x\n", 0x404); } static DEVICE_ATTR(dsr, S_IRUGO, mmc_dsr_show, NULL); diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index 592166e53dce..46ca73c17c4c 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -12,6 +12,7 @@ #include <linux/slab.h> #include <linux/stat.h> #include <linux/pm_runtime.h> +#include <linux/sysfs.h> #include <linux/mmc/host.h> #include <linux/mmc/card.h> @@ -707,18 +708,16 @@ MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr); MMC_DEV_ATTR(rca, "0x%04x\n", card->rca); -static ssize_t mmc_dsr_show(struct device *dev, - struct device_attribute *attr, - char *buf) +static ssize_t mmc_dsr_show(struct device *dev, struct device_attribute *attr, + char *buf) { - struct mmc_card *card = mmc_dev_to_card(dev); - struct mmc_host *host = card->host; - - if (card->csd.dsr_imp && host->dsr_req) - return sprintf(buf, "0x%x\n", host->dsr); - else - /* return default DSR value */ - return sprintf(buf, "0x%x\n", 0x404); + struct mmc_card *card = mmc_dev_to_card(dev); + struct mmc_host *host = card->host; + + if (card->csd.dsr_imp && host->dsr_req) + return sysfs_emit(buf, "0x%x\n", host->dsr); + /* return default DSR value */ + return sysfs_emit(buf, "0x%x\n", 0x404); } static DEVICE_ATTR(dsr, S_IRUGO, mmc_dsr_show, NULL); @@ -734,9 +733,9 @@ static ssize_t info##num##_show(struct device *dev, struct device_attribute *att \ if (num > card->num_info) \ return -ENODATA; \ - if (!card->info[num-1][0]) \ + if (!card->info[num - 1][0]) \ return 0; \ - return sprintf(buf, "%s\n", card->info[num-1]); \ + return sysfs_emit(buf, "%s\n", card->info[num - 1]); \ } \ static DEVICE_ATTR_RO(info##num) diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index cbc9ca0dd56e..53c8f71af966 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -7,6 +7,7 @@ #include <linux/err.h> #include <linux/pm_runtime.h> +#include <linux/sysfs.h> #include <linux/mmc/host.h> #include <linux/mmc/card.h> @@ -40,9 +41,9 @@ static ssize_t info##num##_show(struct device *dev, struct device_attribute *att \ if (num > card->num_info) \ return -ENODATA; \ - if (!card->info[num-1][0]) \ + if (!card->info[num - 1][0]) \ return 0; \ - return sprintf(buf, "%s\n", card->info[num-1]); \ + return sysfs_emit(buf, "%s\n", card->info[num - 1]); \ } \ static DEVICE_ATTR_RO(info##num) diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c index f6cdec00e97e..f191a2a76f3b 100644 --- a/drivers/mmc/core/sdio_bus.c +++ b/drivers/mmc/core/sdio_bus.c @@ -14,6 +14,7 @@ #include <linux/pm_runtime.h> #include <linux/pm_domain.h> #include <linux/acpi.h> +#include <linux/sysfs.h> #include <linux/mmc/card.h> #include <linux/mmc/host.h> @@ -35,7 +36,7 @@ field##_show(struct device *dev, struct device_attribute *attr, char *buf) \ struct sdio_func *func; \ \ func = dev_to_sdio_func (dev); \ - return sprintf(buf, format_string, args); \ + return sysfs_emit(buf, format_string, args); \ } \ static DEVICE_ATTR_RO(field) @@ -52,9 +53,9 @@ static ssize_t info##num##_show(struct device *dev, struct device_attribute *att \ if (num > func->num_info) \ return -ENODATA; \ - if (!func->info[num-1][0]) \ + if (!func->info[num - 1][0]) \ return 0; \ - return sprintf(buf, "%s\n", func->info[num-1]); \ + return sysfs_emit(buf, "%s\n", func->info[num - 1]); \ } \ static DEVICE_ATTR_RO(info##num) -- 2.17.1

21 hours, 20 minutes

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[PATCHSET v2 sched_ext/for-6.19-fixes] sched_ext: Fix missing post-enqueue handling in move_local_task_to_local_dsq()

by Tejun Heo

Hello, move_local_task_to_local_dsq() was missing post-enqueue handling which matters now that scx_bpf_dsq_move() can be called while the CPU is busy. v2: Updated commit messages and added Cc stable. v1: http://lkml.kernel.org/r/20251211224809.3383633-1-tj@kernel.org 0001-sched_ext-Factor-out-local_dsq_post_enq-from-dispatc.patch 0002-sched_ext-Fix-missing-post-enqueue-handling-in-move_.patch Based on sched_ext/for-6.19-fixes (9f769637a93f). diffstat: kernel/sched/ext.c | 44 +++++++++++++++++++++++++++++--------------- 1 file changed, 29 insertions(+), 15 deletions(-) -- tejun

21 hours, 42 minutes

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Follow-Up: LDI 2025 Attendee List + 20% Discount

by Juanita Garcia

Hi, Just checking in to see if you had a moment to review my earlier message. As you have been an exhibitor at Live Design International 2025 We have the final updated attendee list of verified contacts 16,537 of people including last-minute registers and walk-ins to the show, and all are confirmed Opt-in and Verified contacts Special :20% reduction on our compliant contact data. If you’d like more details, just let me know or reply “Send me pricing.” Best regards, Juanita Garcia Sr. Marketing Manager If you prefer not to receive updates, reply “Not Interested.”

22 hours, 10 minutes

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