September 2025 - Linux-stable-mirror

[PATCH v2] cpufreq: Handle CPUFREQ_ETERNAL with a default transition latency

by Shawn Guo

From: Shawn Guo <shawnguo(a)kernel.org> A regression is seen with 6.6 -> 6.12 kernel upgrade on platforms where cpufreq-dt driver sets cpuinfo.transition_latency as CPUFREQ_ETERNAL (-1), due to that platform's DT doesn't provide the optional property 'clock-latency-ns'. The dbs sampling_rate was 10000 us on 6.6 and suddently becomes 6442450 us (4294967295 / 1000 * 1.5) on 6.12 for these platforms, because the default transition delay was dropped by the commits below. commit 37c6dccd6837 ("cpufreq: Remove LATENCY_MULTIPLIER") commit a755d0e2d41b ("cpufreq: Honour transition_latency over transition_delay_us") commit e13aa799c2a6 ("cpufreq: Change default transition delay to 2ms") It slows down dbs governor's reacting to CPU loading change dramatically. Also, as transition_delay_us is used by schedutil governor as rate_limit_us, it shows a negative impact on device idle power consumption, because the device gets slightly less time in the lowest OPP. Fix the regressions by defining a default transition latency for handling the case of CPUFREQ_ETERNAL. Cc: stable(a)vger.kernel.org Fixes: 37c6dccd6837 ("cpufreq: Remove LATENCY_MULTIPLIER") Signed-off-by: Shawn Guo <shawnguo(a)kernel.org> --- Changes for v2: - Follow Rafael's suggestion to define a default transition latency for handling CPUFREQ_ETERNAL, and pave the way to get rid of CPUFREQ_ETERNAL completely later. v1: https://lkml.org/lkml/2025/9/10/294 drivers/cpufreq/cpufreq.c | 3 +++ include/linux/cpufreq.h | 2 ++ 2 files changed, 5 insertions(+) diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index fc7eace8b65b..c69d10f0e8ec 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -549,6 +549,9 @@ unsigned int cpufreq_policy_transition_delay_us(struct cpufreq_policy *policy) if (policy->transition_delay_us) return policy->transition_delay_us; + if (policy->cpuinfo.transition_latency == CPUFREQ_ETERNAL) + policy->cpuinfo.transition_latency = CPUFREQ_DEFAULT_TANSITION_LATENCY_NS; + latency = policy->cpuinfo.transition_latency / NSEC_PER_USEC; if (latency) /* Give a 50% breathing room between updates */ diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 95f3807c8c55..935e9a660039 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -36,6 +36,8 @@ /* Print length for names. Extra 1 space for accommodating '\n' in prints */ #define CPUFREQ_NAME_PLEN (CPUFREQ_NAME_LEN + 1) +#define CPUFREQ_DEFAULT_TANSITION_LATENCY_NS NSEC_PER_MSEC + struct cpufreq_governor; enum cpufreq_table_sorting { -- 2.43.0

2 months, 3 weeks

3
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Linux 6.16.9

by Greg Kroah-Hartman

I'm announcing the release of the 6.16.9 kernel. All users of the 6.16 kernel series must upgrade. The updated 6.16.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-6.16.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/8250.yaml | 77 +++-- Documentation/netlink/specs/conntrack.yaml | 9 Documentation/netlink/specs/mptcp_pm.yaml | 4 Makefile | 2 arch/loongarch/Kconfig | 12 arch/loongarch/Makefile | 15 arch/loongarch/include/asm/acenv.h | 7 arch/loongarch/include/asm/kvm_mmu.h | 20 + arch/loongarch/kernel/env.c | 2 arch/loongarch/kernel/stacktrace.c | 3 arch/loongarch/kernel/vdso.c | 3 arch/loongarch/kvm/intc/eiointc.c | 87 +++-- arch/loongarch/kvm/intc/pch_pic.c | 21 - arch/loongarch/kvm/mmu.c | 8 arch/s390/include/asm/pci_insn.h | 10 arch/um/drivers/virtio_uml.c | 6 arch/um/os-Linux/file.c | 2 arch/x86/include/asm/sev.h | 38 +- arch/x86/kvm/svm/svm.c | 3 crypto/af_alg.c | 10 drivers/block/zram/zram_drv.c | 8 drivers/clk/sunxi-ng/ccu_mp.c | 2 drivers/crypto/ccp/sev-dev.c | 2 drivers/dpll/dpll_netlink.c | 4 drivers/gpio/gpiolib-acpi-core.c | 4 drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 16 - drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 12 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 24 - drivers/gpu/drm/amd/amdkfd/kfd_device.c | 36 ++ drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 39 ++ drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 2 drivers/gpu/drm/bridge/analogix/anx7625.c | 6 drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c | 6 drivers/gpu/drm/xe/abi/guc_actions_abi.h | 5 drivers/gpu/drm/xe/abi/guc_klvs_abi.h | 40 ++ drivers/gpu/drm/xe/xe_exec_queue.c | 22 - drivers/gpu/drm/xe/xe_exec_queue_types.h | 8 drivers/gpu/drm/xe/xe_execlist.c | 25 + drivers/gpu/drm/xe/xe_execlist_types.h | 2 drivers/gpu/drm/xe/xe_gt.c | 3 drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c | 1 drivers/gpu/drm/xe/xe_guc.c | 62 +++- drivers/gpu/drm/xe/xe_guc.h | 1 drivers/gpu/drm/xe/xe_guc_exec_queue_types.h | 4 drivers/gpu/drm/xe/xe_guc_submit.c | 139 +++++++-- drivers/gpu/drm/xe/xe_guc_submit.h | 2 drivers/gpu/drm/xe/xe_tile_sysfs.c | 12 drivers/gpu/drm/xe/xe_uc.c | 4 drivers/gpu/drm/xe/xe_vm.c | 4 drivers/iommu/amd/amd_iommu_types.h | 1 drivers/iommu/amd/init.c | 9 drivers/iommu/amd/io_pgtable.c | 25 + drivers/iommu/intel/iommu.c | 7 drivers/iommu/s390-iommu.c | 29 + drivers/md/dm-raid.c | 6 drivers/md/dm-stripe.c | 10 drivers/mmc/host/mvsdio.c | 2 drivers/mmc/host/sdhci-pci-gli.c | 68 ++++ drivers/mmc/host/sdhci-uhs2.c | 3 drivers/mmc/host/sdhci.c | 34 +- drivers/net/bonding/bond_main.c | 2 drivers/net/ethernet/broadcom/cnic.c | 3 drivers/net/ethernet/cavium/liquidio/request_manager.c | 2 drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c | 2 drivers/net/ethernet/intel/i40e/i40e_txrx.c | 3 drivers/net/ethernet/intel/ice/ice_txrx.c | 80 ++--- drivers/net/ethernet/intel/ice/ice_txrx.h | 1 drivers/net/ethernet/intel/igc/igc.h | 1 drivers/net/ethernet/intel/igc/igc_main.c | 12 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 22 - drivers/net/ethernet/marvell/octeon_ep/octep_main.c | 16 + drivers/net/ethernet/marvell/octeon_ep/octep_pfvf_mbox.c | 3 drivers/net/ethernet/marvell/octeontx2/nic/otx2_ptp.c | 2 drivers/net/ethernet/mellanox/mlx5/core/en/fs.h | 1 drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h | 1 drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c | 3 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 2 drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 27 + drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c | 1 drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 4 drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h | 15 drivers/net/ethernet/mellanox/mlx5/core/port.c | 6 drivers/net/ethernet/natsemi/ns83820.c | 13 drivers/net/ethernet/qlogic/qed/qed_debug.c | 7 drivers/net/wireless/mediatek/mt76/mac80211.c | 2 drivers/net/wireless/microchip/wilc1000/wlan_cfg.c | 37 +- drivers/net/wireless/microchip/wilc1000/wlan_cfg.h | 5 drivers/nvme/host/core.c | 18 - drivers/pcmcia/omap_cf.c | 8 drivers/platform/x86/asus-nb-wmi.c | 25 + drivers/platform/x86/asus-wmi.h | 3 drivers/power/supply/bq27xxx_battery.c | 4 fs/btrfs/delayed-inode.c | 3 fs/btrfs/inode.c | 11 fs/btrfs/tree-checker.c | 4 fs/btrfs/tree-log.c | 2 fs/btrfs/zoned.c | 2 fs/nilfs2/sysfs.c | 4 fs/nilfs2/sysfs.h | 8 fs/smb/client/cifsproto.h | 4 fs/smb/client/inode.c | 23 + fs/smb/client/misc.c | 38 +- fs/smb/client/smbdirect.c | 132 +++++--- fs/smb/client/smbdirect.h | 23 - fs/smb/common/smbdirect/smbdirect_socket.h | 29 + fs/smb/server/transport_rdma.c | 183 ++++++++---- include/crypto/if_alg.h | 10 include/linux/io_uring_types.h | 3 include/linux/mlx5/driver.h | 1 include/linux/swap.h | 10 include/net/dst_metadata.h | 11 include/net/sock.h | 5 include/sound/sdca.h | 1 include/uapi/linux/mptcp.h | 2 include/uapi/linux/mptcp_pm.h | 4 io_uring/io-wq.c | 6 io_uring/io_uring.c | 10 io_uring/io_uring.h | 4 io_uring/msg_ring.c | 24 - io_uring/notif.c | 2 io_uring/poll.c | 2 io_uring/timeout.c | 2 io_uring/uring_cmd.c | 2 kernel/cgroup/cgroup.c | 43 ++ kernel/sched/ext.c | 6 mm/gup.c | 52 ++- mm/mlock.c | 6 mm/swap.c | 50 +-- mm/vmscan.c | 2 net/ipv4/tcp.c | 5 net/ipv4/tcp_ao.c | 4 net/mac80211/driver-ops.h | 2 net/mac80211/main.c | 7 net/mptcp/options.c | 6 net/mptcp/pm_netlink.c | 7 net/mptcp/protocol.c | 16 + net/mptcp/subflow.c | 4 net/rds/ib_frmr.c | 20 - net/rfkill/rfkill-gpio.c | 4 net/rxrpc/rxgk.c | 18 - net/rxrpc/rxgk_app.c | 29 + net/rxrpc/rxgk_common.h | 14 net/tls/tls.h | 1 net/tls/tls_strp.c | 14 net/tls/tls_sw.c | 3 samples/damon/mtier.c | 25 - samples/damon/prcl.c | 31 +- samples/damon/wsse.c | 22 - sound/firewire/motu/motu-hwdep.c | 2 sound/pci/hda/patch_realtek.c | 1 sound/soc/amd/acp/acp-i2s.c | 11 sound/soc/codecs/sma1307.c | 7 sound/soc/codecs/wm8940.c | 9 sound/soc/codecs/wm8974.c | 8 sound/soc/intel/catpt/pcm.c | 23 + sound/soc/qcom/qdsp6/audioreach.c | 1 sound/soc/qcom/qdsp6/q6apm-lpass-dais.c | 7 sound/soc/sdca/sdca_device.c | 20 + sound/soc/sdca/sdca_functions.c | 13 sound/soc/sdca/sdca_regmap.c | 2 sound/soc/sof/intel/hda-stream.c | 2 sound/usb/qcom/qc_audio_offload.c | 92 +++--- tools/arch/loongarch/include/asm/inst.h | 12 tools/objtool/arch/loongarch/decode.c | 33 +- tools/perf/util/maps.c | 9 tools/testing/selftests/net/mptcp/mptcp_connect.c | 11 tools/testing/selftests/net/mptcp/mptcp_sockopt.c | 16 - tools/testing/selftests/net/mptcp/pm_nl_ctl.c | 7 tools/testing/selftests/net/mptcp/userspace_pm.sh | 14 169 files changed, 1794 insertions(+), 821 deletions(-) Ajay.Kathat(a)microchip.com (1): wifi: wilc1000: avoid buffer overflow in WID string configuration Alex Deucher (2): drm/amdkfd: add proper handling for S0ix drm/amdgpu: suspend KFD and KGD user queues for S0ix Alex Elder (1): dt-bindings: serial: 8250: move a constraint Alexey Nepomnyashih (1): net: liquidio: fix overflow in octeon_init_instr_queue() Amadeusz Sławiński (1): ASoC: Intel: catpt: Expose correct bit depth to userspace Anderson Nascimento (1): net/tcp: Fix a NULL pointer dereference when using TCP-AO with TCP_REPAIR Andrea Righi (1): Revert "sched_ext: Skip per-CPU tasks in scx_bpf_reenqueue_local()" Antheas Kapenekakis (2): platform/x86: asus-wmi: Fix ROG button mapping, tablet mode on ASUS ROG Z13 platform/x86: asus-wmi: Re-add extra keys to ignore_key_wlan quirk Ben Chuang (3): mmc: sdhci: Move the code related to setting the clock from sdhci_set_ios_common() into sdhci_set_ios() mmc: sdhci-pci-gli: GL9767: Fix initializing the UHS-II interface during a power-on mmc: sdhci-uhs2: Fix calling incorrect sdhci_set_clock() function Bibo Mao (5): LoongArch: KVM: Avoid copy_*_user() with lock hold in kvm_eiointc_ctrl_access() LoongArch: KVM: Avoid copy_*_user() with lock hold in kvm_eiointc_regs_access() LoongArch: KVM: Avoid copy_*_user() with lock hold in kvm_eiointc_sw_status_access() LoongArch: KVM: Avoid copy_*_user() with lock hold in kvm_pch_pic_regs_access() LoongArch: KVM: Fix VM migration failure with PTW enabled Borislav Petkov (AMD) (1): crypto: ccp - Always pass in an error pointer to __sev_platform_shutdown_locked() Charles Keepax (4): ASoC: wm8940: Correct PLL rate rounding ASoC: wm8940: Correct typo in control name ASoC: wm8974: Correct PLL rate rounding ASoC: SDCA: Fix return value in sdca_regmap_mbq_size() Chen Ridong (1): cgroup: split cgroup_destroy_wq into 3 workqueues Chen-Yu Tsai (1): clk: sunxi-ng: mp: Fix dual-divider clock rate readback Christoph Hellwig (1): nvme: fix PI insert on write Colin Ian King (1): ASoC: SOF: Intel: hda-stream: Fix incorrect variable used in error message Dan Carpenter (2): ASoC: codec: sma1307: Fix memory corruption in sma1307_setting_loaded() drm/xe: Fix a NULL vs IS_ERR() in xe_vm_add_compute_exec_queue() Daniele Ceraolo Spurio (3): drm/xe: Fix error handling if PXP fails to start drm/xe/guc: Enable extended CAT error reporting drm/xe/guc: Set RCS/CCS yield policy David Howells (2): rxrpc: Fix unhandled errors in rxgk_verify_packet_integrity() rxrpc: Fix untrusted unsigned subtract Duoming Zhou (2): cnic: Fix use-after-free bugs in cnic_delete_task octeontx2-pf: Fix use-after-free bugs in otx2_sync_tstamp() Eric Dumazet (1): net: clear sk->sk_ino in sk_set_socket(sk, NULL) Eugene Koira (1): iommu/vt-d: Fix __domain_mapping()'s usage of switch_to_super_page() Felix Fietkau (1): wifi: mt76: do not add non-sta wcid entries to the poll list Filipe Manana (1): btrfs: fix invalid extref key setup when replaying dentry Frank Li (1): dt-bindings: serial: 8250: allow clock 'uartclk' and 'reg' for nxp,lpc1850-uart Geert Uytterhoeven (1): pcmcia: omap_cf: Mark driver struct with __refdata to prevent section mismatch Geliang Tang (1): selftests: mptcp: sockopt: fix error messages Greg Kroah-Hartman (1): Linux 6.16.9 Guangshuo Li (1): LoongArch: vDSO: Check kcalloc() result in init_vdso() H. Nikolaus Schaller (2): power: supply: bq27xxx: fix error return in case of no bq27000 hdq battery power: supply: bq27xxx: restrict no-battery detection to bq27000 Hangbin Liu (2): bonding: set random address only when slaves already exist bonding: don't set oif to bond dev when getting NS target destination Hans de Goede (1): net: rfkill: gpio: Fix crash due to dereferencering uninitialized pointer Herbert Xu (2): crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg crypto: af_alg - Set merge to zero early in af_alg_sendmsg Honggyu Kim (1): samples/damon: change enable parameters to enabled Huacai Chen (1): LoongArch: Align ACPI structures if ARCH_STRICT_ALIGN enabled Hugh Dickins (5): mm/gup: check ref_count instead of lru before migration mm: revert "mm/gup: clear the LRU flag of a page before adding to LRU batch" mm/gup: local lru_add_drain() to avoid lru_add_drain_all() mm: revert "mm: vmscan.c: fix OOM on swap stress test" mm: folio_may_be_lru_cached() unless folio_test_large() Håkon Bugge (1): rds: ib: Increment i_fastreg_wrs before bailing out Ian Rogers (1): perf maps: Ensure kmap is set up for all inserts Ilya Maximets (1): net: dst_metadata: fix IP_DF bit not extracted from tunnel headers Ioana Ciornei (1): dpaa2-switch: fix buffer pool seeding for control traffic Ivan Lipski (1): drm/amd/display: Allow RX6xxx & RX7700 to invoke amdgpu_irq_get/put Ivan Vecera (1): dpll: fix clock quality level reporting Jacob Keller (1): ice: fix Rx page leak on multi-buffer frames Jakub Kicinski (1): tls: make sure to abort the stream if headers are bogus Jamie Bainbridge (1): qed: Don't collect too many protection override GRC elements Jedrzej Jagielski (2): ixgbe: initialize aci.lock before it's used ixgbe: destroy aci.lock later within ixgbe_remove path Jens Axboe (2): io_uring: include dying ring in task_work "should cancel" state io_uring/msg_ring: kill alloc_cache for io_kiocb allocations Jianbo Liu (1): net/mlx5e: Harden uplink netdev access against device unbind Johannes Thumshirn (1): btrfs: zoned: fix incorrect ASSERT in btrfs_zoned_reserve_data_reloc_bg() Kamal Heib (1): octeon_ep: Validate the VF ID Kohei Enju (1): igc: don't fail igc_probe() on LED setup error Krzysztof Kozlowski (1): ASoC: qcom: q6apm-lpass-dais: Fix NULL pointer dereference if source graph failed Kuniyuki Iwashima (1): tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect(). Lachlan Hodges (1): wifi: mac80211: increase scan_ies_len for S1G Lama Kayal (1): net/mlx5e: Add a miss level for ipsec crypto offload Li Tian (1): net/mlx5: Not returning mlx5_link_info table when speed is unknown Li Zhe (1): gup: optimize longterm pin_user_pages() for large folio Liao Yuanhong (1): wifi: mac80211: fix incorrect type for ret Loic Poulain (1): drm: bridge: anx7625: Fix NULL pointer dereference with early IRQ Maciej Fijalkowski (1): i40e: remove redundant memory barrier when cleaning Tx descs Maciej S. Szmigiero (1): KVM: SVM: Sync TPR from LAPIC into VMCB::V_TPR even if AVIC is active Maciej Strozek (1): ASoC: SDCA: Add quirk for incorrect function types for 3 systems Mario Limonciello (1): drm/amd: Only restore cached manual clock settings in restore if OD enabled Matthew Rosato (1): iommu/s390: Fix memory corruption when using identity domain Matthieu Baerts (NGI0) (7): mptcp: set remote_deny_join_id0 on SYN recv selftests: mptcp: userspace pm: validate deny-join-id0 flag mptcp: tfo: record 'deny join id0' info mptcp: propagate shutdown to subflows when possible selftests: mptcp: connect: catch IO errors on listen side selftests: mptcp: avoid spurious errors on TCP disconnect mptcp: pm: nl: announce deny-join-id0 flag Max Kellermann (1): io_uring/io-wq: fix `max_workers` breakage and `nr_workers` underflow Miaoqian Lin (1): um: virtio_uml: Fix use-after-free after put_device in probe Michal Wajdeczko (1): drm/xe/pf: Drop rounddown_pow_of_two fair LMEM limitation Mikulas Patocka (2): dm-raid: don't set io_min and io_opt for raid1 dm-stripe: fix a possible integer overflow Mohammad Rafi Shaik (2): ASoC: qcom: audioreach: Fix lpaif_type configuration for the I2S interface ASoC: qcom: q6apm-lpass-dais: Fix missing set_fmt DAI op for I2S Namjae Jeon (1): ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer Nathan Chancellor (1): nilfs2: fix CFI failure when accessing /sys/fs/nilfs2/features/* Niklas Schnelle (1): iommu/s390: Make attach succeed when the device was surprise removed Paulo Alcantara (2): smb: client: fix filename matching of deferred files smb: client: fix file open check in __cifs_unlink() Praful Adiga (1): ALSA: hda/realtek: Fix mute led for HP Laptop 15-dw4xx Qi Xi (1): drm: bridge: cdns-mhdp8546: Fix missing mutex unlock on error path Qu Wenruo (1): btrfs: tree-checker: fix the incorrect inode ref size check Remy D. Farley (1): doc/netlink: Fix typos in operation attributes Sathesh B Edara (1): octeon_ep: fix VF MAC address lifecycle handling SeongJae Park (3): samples/damon/prcl: fix boot time enable crash samples/damon/mtier: avoid starting DAMON before initialization samples/damon/prcl: avoid starting DAMON before initialization Sergey Senozhatsky (1): zram: fix slot write race condition Shuicheng Lin (1): drm/xe/tile: Release kobject for the failure path Stefan Metzmacher (10): smb: server: let smb_direct_writev() respect SMB_DIRECT_MAX_SEND_SGES ksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size smb: smbdirect: introduce smbdirect_socket.recv_io.expected smb: client: make use of smbdirect_socket->recv_io.expected smb: smbdirect: introduce struct smbdirect_recv_io smb: client: make use of struct smbdirect_recv_io smb: client: let recv_done verify data_offset, data_length and remaining_data_length smb: client: use disable[_delayed]_work_sync in smbdirect.c smb: client: let smbd_destroy() call disable_work_sync(&info->post_send_credits_work) smb: client: fix smbdirect_recv_io leak in smbd_negotiate() error path Sébastien Szymanski (1): gpiolib: acpi: initialize acpi_gpio_info struct Takashi Iwai (1): ALSA: usb: qcom: Fix false-positive address space check Takashi Sakamoto (1): ALSA: firewire-motu: drop EPOLLOUT from poll return values as write is not supported Tao Cui (1): LoongArch: Check the return value when creating kobj Tariq Toukan (1): Revert "net/mlx5e: Update and set Xon/Xoff upon port speed set" Thomas Fourier (1): mmc: mvsdio: Fix dma_unmap_sg() nents value Tiezhu Yang (6): LoongArch: Update help info of ARCH_STRICT_ALIGN objtool/LoongArch: Mark types based on break immediate code objtool/LoongArch: Mark special atomic instruction as INSN_BUG type LoongArch: Fix unreliable stack for live patching LoongArch: Make LTO case independent in Makefile LoongArch: Handle jump tables options for RUST Tiwei Bie (1): um: Fix FD copy size in os_rcv_fd_msg() Tom Lendacky (1): x86/sev: Guard sev_evict_cache() with CONFIG_AMD_MEM_ENCRYPT Vasant Hegde (2): iommu/amd/pgtbl: Fix possible race while increase page table level iommu/amd: Fix alias device DTE setting Venkata Prasad Potturu (1): ASoC: amd: acp: Fix incorrect retrival of acp_chip_info Yang Xiuwei (1): io_uring: fix incorrect io_kiocb reference in io_link_skb Yeounsu Moon (1): net: natsemi: fix `rx_dropped` double accounting on `netif_rx()` failure Yixun Lan (1): dt-bindings: serial: 8250: spacemit: set clocks property as required Zhen Ni (1): iommu/amd: Fix ivrs_base memleak in early_amd_iommu_init() austinchang (1): btrfs: initialize inode::file_extent_tree after i_mode has been set

2 months, 3 weeks

1
1
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Linux 6.12.49

by Greg Kroah-Hartman

I'm announcing the release of the 6.12.49 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/admin-guide/hw-vuln/srso.rst | 13 Documentation/netlink/specs/mptcp_pm.yaml | 4 Makefile | 2 arch/loongarch/Kconfig | 8 arch/loongarch/include/asm/acenv.h | 7 arch/loongarch/kernel/env.c | 2 arch/loongarch/kernel/stacktrace.c | 3 arch/loongarch/kernel/vdso.c | 3 arch/um/drivers/virtio_uml.c | 6 arch/um/os-Linux/file.c | 2 arch/x86/events/intel/core.c | 2 arch/x86/include/asm/cpufeatures.h | 5 arch/x86/include/asm/msr-index.h | 1 arch/x86/kernel/cpu/bugs.c | 28 +- arch/x86/kvm/svm/svm.c | 68 ++++ arch/x86/kvm/svm/svm.h | 2 arch/x86/lib/msr.c | 2 crypto/af_alg.c | 10 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 39 ++ drivers/gpu/drm/bridge/analogix/anx7625.c | 6 drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c | 6 drivers/gpu/drm/xe/xe_tile_sysfs.c | 12 drivers/gpu/drm/xe/xe_vm.c | 4 drivers/iommu/amd/amd_iommu_types.h | 1 drivers/iommu/amd/io_pgtable.c | 25 + drivers/iommu/intel/iommu.c | 7 drivers/md/dm-raid.c | 6 drivers/md/dm-stripe.c | 10 drivers/mmc/host/mvsdio.c | 2 drivers/net/bonding/bond_main.c | 2 drivers/net/ethernet/broadcom/cnic.c | 3 drivers/net/ethernet/cavium/liquidio/request_manager.c | 2 drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c | 2 drivers/net/ethernet/intel/i40e/i40e_txrx.c | 3 drivers/net/ethernet/intel/ice/ice.h | 3 drivers/net/ethernet/intel/ice/ice_base.c | 34 +- drivers/net/ethernet/intel/ice/ice_txrx.c | 80 ++--- drivers/net/ethernet/intel/ice/ice_txrx.h | 4 drivers/net/ethernet/intel/ice/ice_virtchnl.c | 7 drivers/net/ethernet/intel/igc/igc.h | 1 drivers/net/ethernet/intel/igc/igc_main.c | 12 drivers/net/ethernet/marvell/octeon_ep/octep_pfvf_mbox.c | 3 drivers/net/ethernet/marvell/octeontx2/nic/otx2_ptp.c | 2 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 2 drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 27 + drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c | 1 drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h | 15 + drivers/net/ethernet/natsemi/ns83820.c | 13 drivers/net/ethernet/qlogic/qed/qed_debug.c | 7 drivers/net/vmxnet3/vmxnet3_drv.c | 10 drivers/net/wireless/microchip/wilc1000/wlan_cfg.c | 37 +- drivers/net/wireless/microchip/wilc1000/wlan_cfg.h | 5 drivers/nvme/host/core.c | 18 - drivers/pcmcia/omap_cf.c | 8 drivers/platform/x86/asus-nb-wmi.c | 25 + drivers/platform/x86/asus-wmi.h | 3 drivers/power/supply/bq27xxx_battery.c | 4 drivers/rtc/rtc-pcf2127.c | 10 drivers/usb/host/xhci-dbgcap.c | 94 ++++-- drivers/usb/host/xhci-debugfs.c | 5 drivers/usb/host/xhci-mem.c | 74 ++--- drivers/usb/host/xhci.c | 24 - drivers/usb/host/xhci.h | 9 fs/btrfs/tree-checker.c | 4 fs/btrfs/tree-log.c | 2 fs/nilfs2/sysfs.c | 4 fs/nilfs2/sysfs.h | 8 fs/smb/client/cifsproto.h | 4 fs/smb/client/inode.c | 6 fs/smb/client/misc.c | 38 +- fs/smb/client/smbdirect.c | 7 fs/smb/server/transport_rdma.c | 26 + include/crypto/if_alg.h | 10 include/linux/io_uring_types.h | 4 include/linux/minmax.h | 205 ++++++--------- include/linux/mlx5/driver.h | 1 include/linux/mm.h | 55 ++++ include/uapi/linux/mptcp.h | 2 include/uapi/linux/mptcp_pm.h | 4 io_uring/io_uring.c | 12 io_uring/io_uring.h | 13 io_uring/kbuf.h | 2 io_uring/msg_ring.c | 24 - io_uring/notif.c | 2 io_uring/poll.c | 3 io_uring/timeout.c | 2 io_uring/uring_cmd.c | 6 kernel/cgroup/cgroup.c | 43 ++- mm/gup.c | 41 ++- mm/migrate.c | 22 - mm/vmscan.c | 2 net/ipv4/tcp.c | 5 net/ipv4/tcp_ao.c | 4 net/mac80211/driver-ops.h | 2 net/mac80211/main.c | 7 net/mptcp/options.c | 6 net/mptcp/pm_netlink.c | 7 net/mptcp/protocol.c | 16 + net/mptcp/subflow.c | 4 net/rds/ib_frmr.c | 20 - net/rfkill/rfkill-gpio.c | 4 net/tls/tls.h | 1 net/tls/tls_strp.c | 14 - net/tls/tls_sw.c | 3 sound/firewire/motu/motu-hwdep.c | 2 sound/pci/hda/patch_realtek.c | 1 sound/soc/codecs/wm8940.c | 9 sound/soc/codecs/wm8974.c | 8 sound/soc/intel/catpt/pcm.c | 23 + sound/soc/qcom/qdsp6/audioreach.c | 1 sound/soc/qcom/qdsp6/q6apm-lpass-dais.c | 7 sound/soc/sof/intel/hda-stream.c | 2 tools/arch/loongarch/include/asm/inst.h | 12 tools/objtool/arch/loongarch/decode.c | 33 ++ tools/testing/selftests/net/mptcp/mptcp_connect.c | 11 tools/testing/selftests/net/mptcp/mptcp_sockopt.c | 16 - tools/testing/selftests/net/mptcp/pm_nl_ctl.c | 7 tools/testing/selftests/net/mptcp/userspace_pm.sh | 14 - 118 files changed, 1062 insertions(+), 564 deletions(-) Ajay.Kathat(a)microchip.com (1): wifi: wilc1000: avoid buffer overflow in WID string configuration Alexey Nepomnyashih (1): net: liquidio: fix overflow in octeon_init_instr_queue() Amadeusz Sławiński (1): ASoC: Intel: catpt: Expose correct bit depth to userspace Anderson Nascimento (1): net/tcp: Fix a NULL pointer dereference when using TCP-AO with TCP_REPAIR Antheas Kapenekakis (2): platform/x86: asus-wmi: Fix ROG button mapping, tablet mode on ASUS ROG Z13 platform/x86: asus-wmi: Re-add extra keys to ignore_key_wlan quirk Borislav Petkov (1): x86/bugs: KVM: Add support for SRSO_MSR_FIX Borislav Petkov (AMD) (1): x86/bugs: Add SRSO_USER_KERNEL_NO support Bruno Thomsen (1): rtc: pcf2127: fix SPI command byte for PCF2131 backport Charles Keepax (3): ASoC: wm8940: Correct PLL rate rounding ASoC: wm8940: Correct typo in control name ASoC: wm8974: Correct PLL rate rounding Chen Ridong (1): cgroup: split cgroup_destroy_wq into 3 workqueues Christoph Hellwig (1): nvme: fix PI insert on write Colin Ian King (1): ASoC: SOF: Intel: hda-stream: Fix incorrect variable used in error message Dan Carpenter (1): drm/xe: Fix a NULL vs IS_ERR() in xe_vm_add_compute_exec_queue() David Laight (7): minmax.h: add whitespace around operators and after commas minmax.h: update some comments minmax.h: reduce the #define expansion of min(), max() and clamp() minmax.h: use BUILD_BUG_ON_MSG() for the lo < hi test in clamp() minmax.h: move all the clamp() definitions after the min/max() ones minmax.h: simplify the variants of clamp() minmax.h: remove some #defines that are only expanded once Duoming Zhou (2): cnic: Fix use-after-free bugs in cnic_delete_task octeontx2-pf: Fix use-after-free bugs in otx2_sync_tstamp() Eugene Koira (1): iommu/vt-d: Fix __domain_mapping()'s usage of switch_to_super_page() Filipe Manana (1): btrfs: fix invalid extref key setup when replaying dentry Geert Uytterhoeven (1): pcmcia: omap_cf: Mark driver struct with __refdata to prevent section mismatch Geliang Tang (1): selftests: mptcp: sockopt: fix error messages Greg Kroah-Hartman (1): Linux 6.12.49 Guangshuo Li (1): LoongArch: vDSO: Check kcalloc() result in init_vdso() H. Nikolaus Schaller (2): power: supply: bq27xxx: fix error return in case of no bq27000 hdq battery power: supply: bq27xxx: restrict no-battery detection to bq27000 Hangbin Liu (2): bonding: set random address only when slaves already exist bonding: don't set oif to bond dev when getting NS target destination Hans de Goede (1): net: rfkill: gpio: Fix crash due to dereferencering uninitialized pointer Herbert Xu (2): crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg crypto: af_alg - Set merge to zero early in af_alg_sendmsg Huacai Chen (1): LoongArch: Align ACPI structures if ARCH_STRICT_ALIGN enabled Hugh Dickins (2): mm: revert "mm: vmscan.c: fix OOM on swap stress test" mm/gup: check ref_count instead of lru before migration Håkon Bugge (1): rds: ib: Increment i_fastreg_wrs before bailing out Ioana Ciornei (1): dpaa2-switch: fix buffer pool seeding for control traffic Ivan Lipski (1): drm/amd/display: Allow RX6xxx & RX7700 to invoke amdgpu_irq_get/put Jacob Keller (2): ice: store max_frame and rx_buf_len only in ice_rx_ring ice: fix Rx page leak on multi-buffer frames Jakub Kicinski (1): tls: make sure to abort the stream if headers are bogus Jamie Bainbridge (1): qed: Don't collect too many protection override GRC elements Jens Axboe (4): io_uring: backport io_should_terminate_tw() io_uring: include dying ring in task_work "should cancel" state io_uring/msg_ring: kill alloc_cache for io_kiocb allocations io_uring/kbuf: drop WARN_ON_ONCE() from incremental length check Jianbo Liu (1): net/mlx5e: Harden uplink netdev access against device unbind Kan Liang (1): perf/x86/intel: Fix crash in icl_update_topdown_event() Kohei Enju (1): igc: don't fail igc_probe() on LED setup error Krzysztof Kozlowski (1): ASoC: qcom: q6apm-lpass-dais: Fix NULL pointer dereference if source graph failed Kuniyuki Iwashima (1): tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect(). Lachlan Hodges (1): wifi: mac80211: increase scan_ies_len for S1G Li Zhe (1): gup: optimize longterm pin_user_pages() for large folio Liao Yuanhong (1): wifi: mac80211: fix incorrect type for ret Loic Poulain (1): drm: bridge: anx7625: Fix NULL pointer dereference with early IRQ Maciej Fijalkowski (1): i40e: remove redundant memory barrier when cleaning Tx descs Maciej S. Szmigiero (1): KVM: SVM: Sync TPR from LAPIC into VMCB::V_TPR even if AVIC is active Mathias Nyman (2): xhci: dbc: decouple endpoint allocation from initialization xhci: dbc: Fix full DbC transfer ring after several reconnects Matthieu Baerts (NGI0) (7): mptcp: set remote_deny_join_id0 on SYN recv selftests: mptcp: userspace pm: validate deny-join-id0 flag mptcp: tfo: record 'deny join id0' info mptcp: propagate shutdown to subflows when possible selftests: mptcp: connect: catch IO errors on listen side selftests: mptcp: avoid spurious errors on TCP disconnect mptcp: pm: nl: announce deny-join-id0 flag Miaoqian Lin (1): um: virtio_uml: Fix use-after-free after put_device in probe Mikulas Patocka (2): dm-raid: don't set io_min and io_opt for raid1 dm-stripe: fix a possible integer overflow Mohammad Rafi Shaik (2): ASoC: qcom: audioreach: Fix lpaif_type configuration for the I2S interface ASoC: qcom: q6apm-lpass-dais: Fix missing set_fmt DAI op for I2S Namjae Jeon (1): ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer Nathan Chancellor (1): nilfs2: fix CFI failure when accessing /sys/fs/nilfs2/features/* Niklas Neronin (2): usb: xhci: introduce macro for ring segment list iteration usb: xhci: remove option to change a default ring's TRB cycle bit Paulo Alcantara (1): smb: client: fix filename matching of deferred files Pavel Begunkov (1): io_uring/cmd: let cmds to know about dying task Praful Adiga (1): ALSA: hda/realtek: Fix mute led for HP Laptop 15-dw4xx Qi Xi (1): drm: bridge: cdns-mhdp8546: Fix missing mutex unlock on error path Qu Wenruo (1): btrfs: tree-checker: fix the incorrect inode ref size check Sankararaman Jayaraman (1): vmxnet3: unregister xdp rxq info in the reset path Sathesh B Edara (1): octeon_ep: fix VF MAC address lifecycle handling Sean Christopherson (1): KVM: SVM: Set/clear SRSO's BP_SPEC_REDUCE on 0 <=> 1 VM count transitions Shivank Garg (1): mm: add folio_expected_ref_count() for reference count calculation Shuicheng Lin (1): drm/xe/tile: Release kobject for the failure path Stefan Metzmacher (3): ksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size smb: client: let smbd_destroy() call disable_work_sync(&info->post_send_credits_work) smb: client: fix smbdirect_recv_io leak in smbd_negotiate() error path Takashi Sakamoto (1): ALSA: firewire-motu: drop EPOLLOUT from poll return values as write is not supported Tao Cui (1): LoongArch: Check the return value when creating kobj Tariq Toukan (1): Revert "net/mlx5e: Update and set Xon/Xoff upon port speed set" Thomas Fourier (1): mmc: mvsdio: Fix dma_unmap_sg() nents value Tiezhu Yang (4): LoongArch: Update help info of ARCH_STRICT_ALIGN objtool/LoongArch: Mark types based on break immediate code objtool/LoongArch: Mark special atomic instruction as INSN_BUG type LoongArch: Fix unreliable stack for live patching Tiwei Bie (1): um: Fix FD copy size in os_rcv_fd_msg() Vasant Hegde (1): iommu/amd/pgtbl: Fix possible race while increase page table level Yang Xiuwei (1): io_uring: fix incorrect io_kiocb reference in io_link_skb Yeounsu Moon (1): net: natsemi: fix `rx_dropped` double accounting on `netif_rx()` failure

2 months, 3 weeks

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Linux 6.6.108

by Greg Kroah-Hartman

I'm announcing the release of the 6.6.108 kernel. All users of the 6.6 kernel series must upgrade. The updated 6.6.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-6.6.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 ------------ Makefile | 2 arch/loongarch/Kconfig | 8 + arch/loongarch/include/asm/acenv.h | 7 - arch/loongarch/kernel/env.c | 2 arch/um/drivers/virtio_uml.c | 6 - arch/x86/kvm/svm/svm.c | 3 arch/x86/mm/pgtable.c | 2 crypto/af_alg.c | 10 + drivers/block/loop.c | 38 +----- drivers/edac/sb_edac.c | 4 drivers/gpu/drm/bridge/analogix/anx7625.c | 6 - drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c | 6 - drivers/gpu/drm/drm_color_mgmt.c | 2 drivers/iommu/amd/amd_iommu_types.h | 1 drivers/iommu/amd/io_pgtable.c | 26 +++- drivers/iommu/intel/iommu.c | 7 + drivers/md/dm-integrity.c | 6 - drivers/mmc/host/mvsdio.c | 2 drivers/net/bonding/bond_main.c | 2 drivers/net/ethernet/broadcom/cnic.c | 3 drivers/net/ethernet/cavium/liquidio/request_manager.c | 2 drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c | 2 drivers/net/ethernet/intel/i40e/i40e_txrx.c | 3 drivers/net/ethernet/marvell/octeontx2/nic/otx2_ptp.c | 2 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 2 drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 27 +++- drivers/net/ethernet/mellanox/mlx5/core/esw/qos.c | 85 +++++++++++++-- drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h | 15 ++ drivers/net/ethernet/natsemi/ns83820.c | 13 +- drivers/net/ethernet/qlogic/qed/qed_debug.c | 7 - drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 2 drivers/net/vmxnet3/vmxnet3_drv.c | 10 - drivers/net/wireless/microchip/wilc1000/wlan_cfg.c | 37 ++++-- drivers/net/wireless/microchip/wilc1000/wlan_cfg.h | 5 drivers/pcmcia/omap_cf.c | 8 + drivers/phy/broadcom/phy-bcm-ns-usb3.c | 9 - drivers/phy/marvell/phy-berlin-usb.c | 7 - drivers/phy/ralink/phy-ralink-usb.c | 10 - drivers/phy/rockchip/phy-rockchip-pcie.c | 11 - drivers/phy/rockchip/phy-rockchip-usb.c | 10 - drivers/phy/ti/phy-omap-control.c | 9 - drivers/phy/ti/phy-omap-usb2.c | 24 +++- drivers/phy/ti/phy-ti-pipe3.c | 14 -- drivers/power/supply/bq27xxx_battery.c | 4 drivers/rtc/rtc-pcf2127.c | 10 - drivers/usb/host/xhci-dbgcap.c | 94 ++++++++++++----- fs/btrfs/tree-checker.c | 4 fs/btrfs/tree-log.c | 2 fs/nilfs2/sysfs.c | 4 fs/nilfs2/sysfs.h | 8 - fs/smb/client/smbdirect.c | 4 fs/smb/server/transport_rdma.c | 26 +++- include/crypto/if_alg.h | 10 + include/linux/minmax.h | 26 +++- include/linux/mlx5/driver.h | 1 include/linux/pageblock-flags.h | 2 include/uapi/linux/mptcp.h | 6 - io_uring/io_uring.c | 7 - io_uring/io_uring.h | 13 ++ io_uring/poll.c | 3 io_uring/timeout.c | 2 kernel/cgroup/cgroup.c | 43 ++++++- net/ipv4/proc.c | 2 net/ipv4/tcp.c | 5 net/ipv6/proc.c | 2 net/mac80211/driver-ops.h | 2 net/mac80211/main.c | 7 + net/mptcp/options.c | 6 - net/mptcp/pm_netlink.c | 7 + net/mptcp/protocol.c | 16 ++ net/mptcp/subflow.c | 4 net/rds/ib_frmr.c | 20 ++- net/rfkill/rfkill-gpio.c | 4 net/tls/tls.h | 1 net/tls/tls_strp.c | 14 +- net/tls/tls_sw.c | 3 sound/firewire/motu/motu-hwdep.c | 2 sound/pci/hda/patch_realtek.c | 1 sound/soc/codecs/wm8940.c | 9 + sound/soc/codecs/wm8974.c | 8 + sound/soc/qcom/qdsp6/audioreach.c | 1 sound/soc/qcom/qdsp6/q6apm-lpass-dais.c | 7 - sound/soc/sof/intel/hda-stream.c | 2 tools/testing/selftests/net/mptcp/mptcp_connect.c | 11 + tools/testing/selftests/net/mptcp/mptcp_sockopt.c | 16 +- tools/testing/selftests/net/mptcp/pm_nl_ctl.c | 7 + tools/testing/selftests/net/mptcp/userspace_pm.sh | 14 +- 87 files changed, 599 insertions(+), 298 deletions(-) Ajay.Kathat(a)microchip.com (1): wifi: wilc1000: avoid buffer overflow in WID string configuration Alexey Nepomnyashih (1): net: liquidio: fix overflow in octeon_init_instr_queue() Bruno Thomsen (1): rtc: pcf2127: fix SPI command byte for PCF2131 backport Charles Keepax (3): ASoC: wm8940: Correct PLL rate rounding ASoC: wm8940: Correct typo in control name ASoC: wm8974: Correct PLL rate rounding Chen Ridong (1): cgroup: split cgroup_destroy_wq into 3 workqueues Colin Ian King (1): ASoC: SOF: Intel: hda-stream: Fix incorrect variable used in error message Duoming Zhou (2): cnic: Fix use-after-free bugs in cnic_delete_task octeontx2-pf: Fix use-after-free bugs in otx2_sync_tstamp() Eric Hagberg (1): Revert "loop: Avoid updating block size under exclusive owner" Eugene Koira (1): iommu/vt-d: Fix __domain_mapping()'s usage of switch_to_super_page() Filipe Manana (1): btrfs: fix invalid extref key setup when replaying dentry Geert Uytterhoeven (1): pcmcia: omap_cf: Mark driver struct with __refdata to prevent section mismatch Geliang Tang (1): selftests: mptcp: sockopt: fix error messages Greg Kroah-Hartman (1): Linux 6.6.108 H. Nikolaus Schaller (2): power: supply: bq27xxx: fix error return in case of no bq27000 hdq battery power: supply: bq27xxx: restrict no-battery detection to bq27000 Hangbin Liu (2): bonding: set random address only when slaves already exist bonding: don't set oif to bond dev when getting NS target destination Hans de Goede (1): net: rfkill: gpio: Fix crash due to dereferencering uninitialized pointer Herbert Xu (2): crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg crypto: af_alg - Set merge to zero early in af_alg_sendmsg Huacai Chen (1): LoongArch: Align ACPI structures if ARCH_STRICT_ALIGN enabled Håkon Bugge (1): rds: ib: Increment i_fastreg_wrs before bailing out Ioana Ciornei (1): dpaa2-switch: fix buffer pool seeding for control traffic Jakub Kicinski (1): tls: make sure to abort the stream if headers are bogus Jamie Bainbridge (1): qed: Don't collect too many protection override GRC elements Jens Axboe (2): io_uring: backport io_should_terminate_tw() io_uring: include dying ring in task_work "should cancel" state Jianbo Liu (2): net/mlx5e: Consider aggregated port speed during rate configuration net/mlx5e: Harden uplink netdev access against device unbind Johan Hovold (1): phy: ti: omap-usb2: fix device leak at unbind Krzysztof Kozlowski (1): ASoC: qcom: q6apm-lpass-dais: Fix NULL pointer dereference if source graph failed Kuniyuki Iwashima (1): tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect(). Lachlan Hodges (1): wifi: mac80211: increase scan_ies_len for S1G Liao Yuanhong (1): wifi: mac80211: fix incorrect type for ret Linus Torvalds (3): minmax: avoid overly complicated constant expressions in VM code minmax: simplify and clarify min_t()/max_t() implementation minmax: add a few more MIN_T/MAX_T users Loic Poulain (1): drm: bridge: anx7625: Fix NULL pointer dereference with early IRQ Maciej Fijalkowski (1): i40e: remove redundant memory barrier when cleaning Tx descs Maciej S. Szmigiero (1): KVM: SVM: Sync TPR from LAPIC into VMCB::V_TPR even if AVIC is active Mathias Nyman (2): xhci: dbc: decouple endpoint allocation from initialization xhci: dbc: Fix full DbC transfer ring after several reconnects Matthieu Baerts (NGI0) (7): mptcp: set remote_deny_join_id0 on SYN recv mptcp: tfo: record 'deny join id0' info selftests: mptcp: connect: catch IO errors on listen side selftests: mptcp: avoid spurious errors on TCP disconnect mptcp: pm: nl: announce deny-join-id0 flag selftests: mptcp: userspace pm: validate deny-join-id0 flag mptcp: propagate shutdown to subflows when possible Miaoqian Lin (1): um: virtio_uml: Fix use-after-free after put_device in probe Mohammad Rafi Shaik (2): ASoC: qcom: audioreach: Fix lpaif_type configuration for the I2S interface ASoC: qcom: q6apm-lpass-dais: Fix missing set_fmt DAI op for I2S Namjae Jeon (1): ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer Nathan Chancellor (1): nilfs2: fix CFI failure when accessing /sys/fs/nilfs2/features/* Praful Adiga (1): ALSA: hda/realtek: Fix mute led for HP Laptop 15-dw4xx Qi Xi (1): drm: bridge: cdns-mhdp8546: Fix missing mutex unlock on error path Qu Wenruo (1): btrfs: tree-checker: fix the incorrect inode ref size check Rob Herring (1): phy: Use device_get_match_data() Sankararaman Jayaraman (1): vmxnet3: unregister xdp rxq info in the reset path Stefan Metzmacher (2): ksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size smb: client: fix smbdirect_recv_io leak in smbd_negotiate() error path Takashi Sakamoto (1): ALSA: firewire-motu: drop EPOLLOUT from poll return values as write is not supported Tao Cui (1): LoongArch: Check the return value when creating kobj Tariq Toukan (1): Revert "net/mlx5e: Update and set Xon/Xoff upon port speed set" Thomas Fourier (1): mmc: mvsdio: Fix dma_unmap_sg() nents value Tiezhu Yang (1): LoongArch: Update help info of ARCH_STRICT_ALIGN Vasant Hegde (1): iommu/amd/pgtbl: Fix possible race while increase page table level Yeounsu Moon (1): net: natsemi: fix `rx_dropped` double accounting on `netif_rx()` failure

2 months, 3 weeks

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Linux 6.1.154

by Greg Kroah-Hartman

I'm announcing the release of the 6.1.154 kernel. All users of the 6.1 kernel series must upgrade. The updated 6.1.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-6.1.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 ------------ Makefile | 2 arch/loongarch/include/asm/acenv.h | 7 - arch/loongarch/kernel/env.c | 2 arch/um/drivers/virtio_uml.c | 6 arch/x86/kvm/svm/svm.c | 3 crypto/af_alg.c | 112 ++++++----------- drivers/gpu/drm/bridge/analogix/anx7625.c | 6 drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c | 6 drivers/iommu/intel/iommu.c | 7 - drivers/mmc/host/mvsdio.c | 2 drivers/net/bonding/bond_main.c | 1 drivers/net/ethernet/broadcom/cnic.c | 3 drivers/net/ethernet/cavium/liquidio/request_manager.c | 2 drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c | 2 drivers/net/ethernet/intel/i40e/i40e_txrx.c | 3 drivers/net/ethernet/marvell/octeontx2/nic/otx2_ptp.c | 2 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 2 drivers/net/ethernet/natsemi/ns83820.c | 13 - drivers/net/ethernet/qlogic/qed/qed_debug.c | 7 - drivers/pcmcia/omap_cf.c | 8 + drivers/phy/broadcom/phy-bcm-ns-usb3.c | 9 - drivers/phy/marvell/phy-berlin-usb.c | 7 - drivers/phy/ralink/phy-ralink-usb.c | 10 - drivers/phy/rockchip/phy-rockchip-pcie.c | 11 - drivers/phy/rockchip/phy-rockchip-usb.c | 10 - drivers/phy/ti/phy-omap-control.c | 9 - drivers/phy/ti/phy-omap-usb2.c | 24 ++- drivers/phy/ti/phy-ti-pipe3.c | 14 -- drivers/power/supply/bq27xxx_battery.c | 4 drivers/usb/host/xhci-dbgcap.c | 94 ++++++++++---- fs/btrfs/tree-checker.c | 4 fs/btrfs/tree-log.c | 2 fs/nilfs2/sysfs.c | 4 fs/nilfs2/sysfs.h | 8 - fs/smb/client/smbdirect.c | 4 fs/smb/server/transport_rdma.c | 26 ++- include/crypto/if_alg.h | 10 - include/uapi/linux/mptcp.h | 6 io_uring/io_uring.c | 13 + io_uring/io_uring.h | 13 + io_uring/poll.c | 3 io_uring/timeout.c | 2 kernel/cgroup/cgroup.c | 43 +++++- net/ipv4/tcp.c | 5 net/mac80211/driver-ops.h | 2 net/mac80211/main.c | 7 - net/mptcp/pm_netlink.c | 7 + net/mptcp/protocol.c | 15 ++ net/mptcp/subflow.c | 4 net/rds/ib_frmr.c | 20 +-- net/rfkill/rfkill-gpio.c | 22 ++- net/tls/tls.h | 1 net/tls/tls_strp.c | 14 +- net/tls/tls_sw.c | 3 sound/firewire/motu/motu-hwdep.c | 2 sound/pci/hda/patch_realtek.c | 1 sound/soc/codecs/wm8940.c | 2 sound/soc/codecs/wm8974.c | 8 - sound/soc/qcom/qdsp6/audioreach.c | 1 sound/soc/qcom/qdsp6/q6apm-lpass-dais.c | 38 +++-- sound/soc/sof/intel/hda-stream.c | 2 tools/testing/selftests/net/mptcp/mptcp_connect.c | 11 - tools/testing/selftests/net/mptcp/pm_nl_ctl.c | 7 + tools/testing/selftests/net/mptcp/userspace_pm.sh | 14 +- 64 files changed, 440 insertions(+), 272 deletions(-) Alexey Nepomnyashih (1): net: liquidio: fix overflow in octeon_init_instr_queue() Charles Keepax (2): ASoC: wm8940: Correct typo in control name ASoC: wm8974: Correct PLL rate rounding Chen Ridong (1): cgroup: split cgroup_destroy_wq into 3 workqueues Colin Ian King (1): ASoC: SOF: Intel: hda-stream: Fix incorrect variable used in error message David Howells (2): crypto: af_alg: Indent the loop in af_alg_sendmsg() crypto: af_alg: Convert af_alg_sendpage() to use MSG_SPLICE_PAGES Duoming Zhou (2): cnic: Fix use-after-free bugs in cnic_delete_task octeontx2-pf: Fix use-after-free bugs in otx2_sync_tstamp() Eugene Koira (1): iommu/vt-d: Fix __domain_mapping()'s usage of switch_to_super_page() Filipe Manana (1): btrfs: fix invalid extref key setup when replaying dentry Geert Uytterhoeven (1): pcmcia: omap_cf: Mark driver struct with __refdata to prevent section mismatch Greg Kroah-Hartman (1): Linux 6.1.154 H. Nikolaus Schaller (2): power: supply: bq27xxx: fix error return in case of no bq27000 hdq battery power: supply: bq27xxx: restrict no-battery detection to bq27000 Hangbin Liu (1): bonding: don't set oif to bond dev when getting NS target destination Hans de Goede (1): net: rfkill: gpio: Fix crash due to dereferencering uninitialized pointer Herbert Xu (2): crypto: af_alg - Set merge to zero early in af_alg_sendmsg crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg Huacai Chen (1): LoongArch: Align ACPI structures if ARCH_STRICT_ALIGN enabled Håkon Bugge (1): rds: ib: Increment i_fastreg_wrs before bailing out Ioana Ciornei (1): dpaa2-switch: fix buffer pool seeding for control traffic Jakub Kicinski (1): tls: make sure to abort the stream if headers are bogus Jamie Bainbridge (1): qed: Don't collect too many protection override GRC elements Jens Axboe (2): io_uring: backport io_should_terminate_tw() io_uring: include dying ring in task_work "should cancel" state Johan Hovold (1): phy: ti: omap-usb2: fix device leak at unbind Krzysztof Kozlowski (2): phy: broadcom: ns-usb3: fix Wvoid-pointer-to-enum-cast warning ASoC: qcom: q6apm-lpass-dais: Fix NULL pointer dereference if source graph failed Kuniyuki Iwashima (1): tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect(). Lachlan Hodges (1): wifi: mac80211: increase scan_ies_len for S1G Liao Yuanhong (1): wifi: mac80211: fix incorrect type for ret Loic Poulain (1): drm: bridge: anx7625: Fix NULL pointer dereference with early IRQ Maciej Fijalkowski (1): i40e: remove redundant memory barrier when cleaning Tx descs Maciej S. Szmigiero (1): KVM: SVM: Sync TPR from LAPIC into VMCB::V_TPR even if AVIC is active Mathias Nyman (2): xhci: dbc: decouple endpoint allocation from initialization xhci: dbc: Fix full DbC transfer ring after several reconnects Matthieu Baerts (NGI0) (6): mptcp: set remote_deny_join_id0 on SYN recv selftests: mptcp: avoid spurious errors on TCP disconnect mptcp: pm: nl: announce deny-join-id0 flag selftests: mptcp: userspace pm: validate deny-join-id0 flag mptcp: propagate shutdown to subflows when possible selftests: mptcp: connect: catch IO errors on listen side Miaoqian Lin (1): um: virtio_uml: Fix use-after-free after put_device in probe Mohammad Rafi Shaik (2): ASoC: qcom: audioreach: Fix lpaif_type configuration for the I2S interface ASoC: qcom: q6apm-lpass-dais: Fix missing set_fmt DAI op for I2S Namjae Jeon (1): ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer Nathan Chancellor (1): nilfs2: fix CFI failure when accessing /sys/fs/nilfs2/features/* Philipp Zabel (1): net: rfkill: gpio: add DT support Praful Adiga (1): ALSA: hda/realtek: Fix mute led for HP Laptop 15-dw4xx Qi Xi (1): drm: bridge: cdns-mhdp8546: Fix missing mutex unlock on error path Qu Wenruo (1): btrfs: tree-checker: fix the incorrect inode ref size check Rob Herring (1): phy: Use device_get_match_data() Srinivas Kandagatla (2): ASoC: qcom: q6apm-lpass-dai: close graphs before opening a new one ASoC: q6apm-lpass-dai: close graph on prepare errors Stefan Metzmacher (2): ksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size smb: client: fix smbdirect_recv_io leak in smbd_negotiate() error path Takashi Sakamoto (1): ALSA: firewire-motu: drop EPOLLOUT from poll return values as write is not supported Tao Cui (1): LoongArch: Check the return value when creating kobj Tariq Toukan (1): Revert "net/mlx5e: Update and set Xon/Xoff upon port speed set" Thomas Fourier (1): mmc: mvsdio: Fix dma_unmap_sg() nents value Yeounsu Moon (1): net: natsemi: fix `rx_dropped` double accounting on `netif_rx()` failure

2 months, 3 weeks

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[PATCH v2] fs/netfs: fix reference leak

by Max Kellermann

Commit 20d72b00ca81 ("netfs: Fix the request's work item to not require a ref") modified netfs_alloc_request() to initialize the reference counter to 2 instead of 1. The rationale was that the requet's "work" would release the second reference after completion (via netfs_{read,write}_collection_worker()). That works most of the time if all goes well. However, it leaks this additional reference if the request is released before the I/O operation has been submitted: the error code path only decrements the reference counter once and the work item will never be queued because there will never be a completion. This has caused outages of our whole server cluster today because tasks were blocked in netfs_wait_for_outstanding_io(), leading to deadlocks in Ceph (another bug that I will address soon in another patch). This was caused by a netfs_pgpriv2_begin_copy_to_cache() call which failed in fscache_begin_write_operation(). The leaked netfs_io_request was never completed, leaving `netfs_inode.io_count` with a positive value forever. All of this is super-fragile code. Finding out which code paths will lead to an eventual completion and which do not is hard to see: - Some functions like netfs_create_write_req() allocate a request, but will never submit any I/O. - netfs_unbuffered_read_iter_locked() calls netfs_unbuffered_read() and then netfs_put_request(); however, netfs_unbuffered_read() can also fail early before submitting the I/O request, therefore another netfs_put_request() call must be added there. A rule of thumb is that functions that return a `netfs_io_request` do not submit I/O, and all of their callers must be checked. For my taste, the whole netfs code needs an overhaul to make reference counting easier to understand and less fragile & obscure. But to fix this bug here and now and produce a patch that is adequate for a stable backport, I tried a minimal approach that quickly frees the request object upon early failure. I decided against adding a second netfs_put_request() each time because that would cause code duplication which obscures the code further. Instead, I added the function netfs_put_failed_request() which frees such a failed request synchronously under the assumption that the reference count is exactly 2 (as initially set by netfs_alloc_request() and never touched), verified by a WARN_ON_ONCE(). It then deinitializes the request object (without going through the "cleanup_work" indirection) and frees the allocation (with RCU protection to protect against concurrent access by netfs_requests_seq_start()). All code paths that fail early have been changed to call netfs_put_failed_request() instead of netfs_put_request(). Additionally, I have added a netfs_put_request() call to netfs_unbuffered_read() as explained above because the netfs_put_failed_request() approach does not work there. Fixes: 20d72b00ca81 ("netfs: Fix the request's work item to not require a ref") Cc: stable(a)vger.kernel.org Signed-off-by: Max Kellermann <max.kellermann(a)ionos.com> --- v1->v2: free the request with call_rcu() because a proc reader might be accessing it (suggested by David Howells) --- fs/netfs/buffered_read.c | 10 +++++----- fs/netfs/direct_read.c | 7 ++++++- fs/netfs/direct_write.c | 6 +++++- fs/netfs/internal.h | 1 + fs/netfs/objects.c | 28 +++++++++++++++++++++++++--- fs/netfs/read_pgpriv2.c | 2 +- fs/netfs/read_single.c | 2 +- fs/netfs/write_issue.c | 3 +-- 8 files changed, 45 insertions(+), 14 deletions(-) diff --git a/fs/netfs/buffered_read.c b/fs/netfs/buffered_read.c index 18b3dc74c70e..37ab6f28b5ad 100644 --- a/fs/netfs/buffered_read.c +++ b/fs/netfs/buffered_read.c @@ -369,7 +369,7 @@ void netfs_readahead(struct readahead_control *ractl) return netfs_put_request(rreq, netfs_rreq_trace_put_return); cleanup_free: - return netfs_put_request(rreq, netfs_rreq_trace_put_failed); + return netfs_put_failed_request(rreq); } EXPORT_SYMBOL(netfs_readahead); @@ -472,7 +472,7 @@ static int netfs_read_gaps(struct file *file, struct folio *folio) return ret < 0 ? ret : 0; discard: - netfs_put_request(rreq, netfs_rreq_trace_put_discard); + netfs_put_failed_request(rreq); alloc_error: folio_unlock(folio); return ret; @@ -532,7 +532,7 @@ int netfs_read_folio(struct file *file, struct folio *folio) return ret < 0 ? ret : 0; discard: - netfs_put_request(rreq, netfs_rreq_trace_put_discard); + netfs_put_failed_request(rreq); alloc_error: folio_unlock(folio); return ret; @@ -699,7 +699,7 @@ int netfs_write_begin(struct netfs_inode *ctx, return 0; error_put: - netfs_put_request(rreq, netfs_rreq_trace_put_failed); + netfs_put_failed_request(rreq); error: if (folio) { folio_unlock(folio); @@ -754,7 +754,7 @@ int netfs_prefetch_for_write(struct file *file, struct folio *folio, return ret < 0 ? ret : 0; error_put: - netfs_put_request(rreq, netfs_rreq_trace_put_discard); + netfs_put_failed_request(rreq); error: _leave(" = %d", ret); return ret; diff --git a/fs/netfs/direct_read.c b/fs/netfs/direct_read.c index a05e13472baf..a498ee8d6674 100644 --- a/fs/netfs/direct_read.c +++ b/fs/netfs/direct_read.c @@ -131,6 +131,7 @@ static ssize_t netfs_unbuffered_read(struct netfs_io_request *rreq, bool sync) if (rreq->len == 0) { pr_err("Zero-sized read [R=%x]\n", rreq->debug_id); + netfs_put_request(rreq, netfs_rreq_trace_put_discard); return -EIO; } @@ -205,7 +206,7 @@ ssize_t netfs_unbuffered_read_iter_locked(struct kiocb *iocb, struct iov_iter *i if (user_backed_iter(iter)) { ret = netfs_extract_user_iter(iter, rreq->len, &rreq->buffer.iter, 0); if (ret < 0) - goto out; + goto error_put; rreq->direct_bv = (struct bio_vec *)rreq->buffer.iter.bvec; rreq->direct_bv_count = ret; rreq->direct_bv_unpin = iov_iter_extract_will_pin(iter); @@ -238,6 +239,10 @@ ssize_t netfs_unbuffered_read_iter_locked(struct kiocb *iocb, struct iov_iter *i if (ret > 0) orig_count -= ret; return ret; + +error_put: + netfs_put_failed_request(rreq); + return ret; } EXPORT_SYMBOL(netfs_unbuffered_read_iter_locked); diff --git a/fs/netfs/direct_write.c b/fs/netfs/direct_write.c index a16660ab7f83..a9d1c3b2c084 100644 --- a/fs/netfs/direct_write.c +++ b/fs/netfs/direct_write.c @@ -57,7 +57,7 @@ ssize_t netfs_unbuffered_write_iter_locked(struct kiocb *iocb, struct iov_iter * n = netfs_extract_user_iter(iter, len, &wreq->buffer.iter, 0); if (n < 0) { ret = n; - goto out; + goto error_put; } wreq->direct_bv = (struct bio_vec *)wreq->buffer.iter.bvec; wreq->direct_bv_count = n; @@ -101,6 +101,10 @@ ssize_t netfs_unbuffered_write_iter_locked(struct kiocb *iocb, struct iov_iter * out: netfs_put_request(wreq, netfs_rreq_trace_put_return); return ret; + +error_put: + netfs_put_failed_request(wreq); + return ret; } EXPORT_SYMBOL(netfs_unbuffered_write_iter_locked); diff --git a/fs/netfs/internal.h b/fs/netfs/internal.h index d4f16fefd965..4319611f5354 100644 --- a/fs/netfs/internal.h +++ b/fs/netfs/internal.h @@ -87,6 +87,7 @@ struct netfs_io_request *netfs_alloc_request(struct address_space *mapping, void netfs_get_request(struct netfs_io_request *rreq, enum netfs_rreq_ref_trace what); void netfs_clear_subrequests(struct netfs_io_request *rreq); void netfs_put_request(struct netfs_io_request *rreq, enum netfs_rreq_ref_trace what); +void netfs_put_failed_request(struct netfs_io_request *rreq); struct netfs_io_subrequest *netfs_alloc_subrequest(struct netfs_io_request *rreq); static inline void netfs_see_request(struct netfs_io_request *rreq, diff --git a/fs/netfs/objects.c b/fs/netfs/objects.c index e8c99738b5bb..39d5e13f7248 100644 --- a/fs/netfs/objects.c +++ b/fs/netfs/objects.c @@ -116,10 +116,8 @@ static void netfs_free_request_rcu(struct rcu_head *rcu) netfs_stat_d(&netfs_n_rh_rreq); } -static void netfs_free_request(struct work_struct *work) +static void netfs_deinit_request(struct netfs_io_request *rreq) { - struct netfs_io_request *rreq = - container_of(work, struct netfs_io_request, cleanup_work); struct netfs_inode *ictx = netfs_inode(rreq->inode); unsigned int i; @@ -149,6 +147,14 @@ static void netfs_free_request(struct work_struct *work) if (atomic_dec_and_test(&ictx->io_count)) wake_up_var(&ictx->io_count); +} + +static void netfs_free_request(struct work_struct *work) +{ + struct netfs_io_request *rreq = + container_of(work, struct netfs_io_request, cleanup_work); + + netfs_deinit_request(rreq); call_rcu(&rreq->rcu, netfs_free_request_rcu); } @@ -167,6 +173,22 @@ void netfs_put_request(struct netfs_io_request *rreq, enum netfs_rreq_ref_trace } } +/* + * Free a request (synchronously) that was just allocated but has + * failed before it could be submitted. + */ +void netfs_put_failed_request(struct netfs_io_request *rreq) +{ + /* new requests have two references (see + * netfs_alloc_request(), and this function is only allowed on + * new request objects + */ + WARN_ON_ONCE(refcount_read(&rreq->ref) != 2); + + trace_netfs_rreq_ref(rreq->debug_id, 0, netfs_rreq_trace_put_failed); + netfs_free_request(&rreq->cleanup_work); +} + /* * Allocate and partially initialise an I/O request structure. */ diff --git a/fs/netfs/read_pgpriv2.c b/fs/netfs/read_pgpriv2.c index 8097bc069c1d..a1489aa29f78 100644 --- a/fs/netfs/read_pgpriv2.c +++ b/fs/netfs/read_pgpriv2.c @@ -118,7 +118,7 @@ static struct netfs_io_request *netfs_pgpriv2_begin_copy_to_cache( return creq; cancel_put: - netfs_put_request(creq, netfs_rreq_trace_put_return); + netfs_put_failed_request(creq); cancel: rreq->copy_to_cache = ERR_PTR(-ENOBUFS); clear_bit(NETFS_RREQ_FOLIO_COPY_TO_CACHE, &rreq->flags); diff --git a/fs/netfs/read_single.c b/fs/netfs/read_single.c index fa622a6cd56d..5c0dc4efc792 100644 --- a/fs/netfs/read_single.c +++ b/fs/netfs/read_single.c @@ -189,7 +189,7 @@ ssize_t netfs_read_single(struct inode *inode, struct file *file, struct iov_ite return ret; cleanup_free: - netfs_put_request(rreq, netfs_rreq_trace_put_failed); + netfs_put_failed_request(rreq); return ret; } EXPORT_SYMBOL(netfs_read_single); diff --git a/fs/netfs/write_issue.c b/fs/netfs/write_issue.c index 0584cba1a043..dd8743bc8d7f 100644 --- a/fs/netfs/write_issue.c +++ b/fs/netfs/write_issue.c @@ -133,8 +133,7 @@ struct netfs_io_request *netfs_create_write_req(struct address_space *mapping, return wreq; nomem: - wreq->error = -ENOMEM; - netfs_put_request(wreq, netfs_rreq_trace_put_failed); + netfs_put_failed_request(wreq); return ERR_PTR(-ENOMEM); } -- 2.47.3

2 months, 3 weeks

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Re: it's Seven again for PCBA One-stop Service

by Seven

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2 months, 3 weeks

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FAILED: patch "[PATCH] mm/migrate_device: don't add folio to be freed to LRU in" failed to apply to 5.4-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.4.y git checkout FETCH_HEAD git cherry-pick -x 41cddf83d8b00f29fd105e7a0777366edc69a5cf # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025022407-amplifier-catnip-6e14@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 41cddf83d8b00f29fd105e7a0777366edc69a5cf Mon Sep 17 00:00:00 2001 From: David Hildenbrand <david(a)redhat.com> Date: Mon, 10 Feb 2025 17:13:17 +0100 Subject: [PATCH] mm/migrate_device: don't add folio to be freed to LRU in migrate_device_finalize() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit If migration succeeded, we called folio_migrate_flags()->mem_cgroup_migrate() to migrate the memcg from the old to the new folio. This will set memcg_data of the old folio to 0. Similarly, if migration failed, memcg_data of the dst folio is left unset. If we call folio_putback_lru() on such folios (memcg_data == 0), we will add the folio to be freed to the LRU, making memcg code unhappy. Running the hmm selftests: # ./hmm-tests ... # RUN hmm.hmm_device_private.migrate ... [ 102.078007][T14893] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x7ff27d200 pfn:0x13cc00 [ 102.079974][T14893] anon flags: 0x17ff00000020018(uptodate|dirty|swapbacked|node=0|zone=2|lastcpupid=0x7ff) [ 102.082037][T14893] raw: 017ff00000020018 dead000000000100 dead000000000122 ffff8881353896c9 [ 102.083687][T14893] raw: 00000007ff27d200 0000000000000000 00000001ffffffff 0000000000000000 [ 102.085331][T14893] page dumped because: VM_WARN_ON_ONCE_FOLIO(!memcg && !mem_cgroup_disabled()) [ 102.087230][T14893] ------------[ cut here ]------------ [ 102.088279][T14893] WARNING: CPU: 0 PID: 14893 at ./include/linux/memcontrol.h:726 folio_lruvec_lock_irqsave+0x10e/0x170 [ 102.090478][T14893] Modules linked in: [ 102.091244][T14893] CPU: 0 UID: 0 PID: 14893 Comm: hmm-tests Not tainted 6.13.0-09623-g6c216bc522fd #151 [ 102.093089][T14893] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-2.fc40 04/01/2014 [ 102.094848][T14893] RIP: 0010:folio_lruvec_lock_irqsave+0x10e/0x170 [ 102.096104][T14893] Code: ... [ 102.099908][T14893] RSP: 0018:ffffc900236c37b0 EFLAGS: 00010293 [ 102.101152][T14893] RAX: 0000000000000000 RBX: ffffea0004f30000 RCX: ffffffff8183f426 [ 102.102684][T14893] RDX: ffff8881063cb880 RSI: ffffffff81b8117f RDI: ffff8881063cb880 [ 102.104227][T14893] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 [ 102.105757][T14893] R10: 0000000000000001 R11: 0000000000000002 R12: ffffc900236c37d8 [ 102.107296][T14893] R13: ffff888277a2bcb0 R14: 000000000000001f R15: 0000000000000000 [ 102.108830][T14893] FS: 00007ff27dbdd740(0000) GS:ffff888277a00000(0000) knlGS:0000000000000000 [ 102.110643][T14893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 102.111924][T14893] CR2: 00007ff27d400000 CR3: 000000010866e000 CR4: 0000000000750ef0 [ 102.113478][T14893] PKRU: 55555554 [ 102.114172][T14893] Call Trace: [ 102.114805][T14893] <TASK> [ 102.115397][T14893] ? folio_lruvec_lock_irqsave+0x10e/0x170 [ 102.116547][T14893] ? __warn.cold+0x110/0x210 [ 102.117461][T14893] ? folio_lruvec_lock_irqsave+0x10e/0x170 [ 102.118667][T14893] ? report_bug+0x1b9/0x320 [ 102.119571][T14893] ? handle_bug+0x54/0x90 [ 102.120494][T14893] ? exc_invalid_op+0x17/0x50 [ 102.121433][T14893] ? asm_exc_invalid_op+0x1a/0x20 [ 102.122435][T14893] ? __wake_up_klogd.part.0+0x76/0xd0 [ 102.123506][T14893] ? dump_page+0x4f/0x60 [ 102.124352][T14893] ? folio_lruvec_lock_irqsave+0x10e/0x170 [ 102.125500][T14893] folio_batch_move_lru+0xd4/0x200 [ 102.126577][T14893] ? __pfx_lru_add+0x10/0x10 [ 102.127505][T14893] __folio_batch_add_and_move+0x391/0x720 [ 102.128633][T14893] ? __pfx_lru_add+0x10/0x10 [ 102.129550][T14893] folio_putback_lru+0x16/0x80 [ 102.130564][T14893] migrate_device_finalize+0x9b/0x530 [ 102.131640][T14893] dmirror_migrate_to_device.constprop.0+0x7c5/0xad0 [ 102.133047][T14893] dmirror_fops_unlocked_ioctl+0x89b/0xc80 Likely, nothing else goes wrong: putting the last folio reference will remove the folio from the LRU again. So besides memcg complaining, adding the folio to be freed to the LRU is just an unnecessary step. The new flow resembles what we have in migrate_folio_move(): add the dst to the lru, remove migration ptes, unlock and unref dst. Link: https://lkml.kernel.org/r/20250210161317.717936-1-david@redhat.com Fixes: 8763cb45ab96 ("mm/migrate: new memory migration helper for use with device memory") Signed-off-by: David Hildenbrand <david(a)redhat.com> Cc: Jérôme Glisse <jglisse(a)redhat.com> Cc: John Hubbard <jhubbard(a)nvidia.com> Cc: Alistair Popple <apopple(a)nvidia.com> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> diff --git a/mm/migrate_device.c b/mm/migrate_device.c index 9cf26592ac93..5bd888223cc8 100644 --- a/mm/migrate_device.c +++ b/mm/migrate_device.c @@ -840,20 +840,15 @@ void migrate_device_finalize(unsigned long *src_pfns, dst = src; } + if (!folio_is_zone_device(dst)) + folio_add_lru(dst); remove_migration_ptes(src, dst, 0); folio_unlock(src); - - if (folio_is_zone_device(src)) - folio_put(src); - else - folio_putback_lru(src); + folio_put(src); if (dst != src) { folio_unlock(dst); - if (folio_is_zone_device(dst)) - folio_put(dst); - else - folio_putback_lru(dst); + folio_put(dst); } } }

2 months, 3 weeks

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FAILED: patch "[PATCH] mm/migrate_device: don't add folio to be freed to LRU in" failed to apply to 5.10-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y git checkout FETCH_HEAD git cherry-pick -x 41cddf83d8b00f29fd105e7a0777366edc69a5cf # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025022405-surpass-stipend-ca02@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 41cddf83d8b00f29fd105e7a0777366edc69a5cf Mon Sep 17 00:00:00 2001 From: David Hildenbrand <david(a)redhat.com> Date: Mon, 10 Feb 2025 17:13:17 +0100 Subject: [PATCH] mm/migrate_device: don't add folio to be freed to LRU in migrate_device_finalize() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit If migration succeeded, we called folio_migrate_flags()->mem_cgroup_migrate() to migrate the memcg from the old to the new folio. This will set memcg_data of the old folio to 0. Similarly, if migration failed, memcg_data of the dst folio is left unset. If we call folio_putback_lru() on such folios (memcg_data == 0), we will add the folio to be freed to the LRU, making memcg code unhappy. Running the hmm selftests: # ./hmm-tests ... # RUN hmm.hmm_device_private.migrate ... [ 102.078007][T14893] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x7ff27d200 pfn:0x13cc00 [ 102.079974][T14893] anon flags: 0x17ff00000020018(uptodate|dirty|swapbacked|node=0|zone=2|lastcpupid=0x7ff) [ 102.082037][T14893] raw: 017ff00000020018 dead000000000100 dead000000000122 ffff8881353896c9 [ 102.083687][T14893] raw: 00000007ff27d200 0000000000000000 00000001ffffffff 0000000000000000 [ 102.085331][T14893] page dumped because: VM_WARN_ON_ONCE_FOLIO(!memcg && !mem_cgroup_disabled()) [ 102.087230][T14893] ------------[ cut here ]------------ [ 102.088279][T14893] WARNING: CPU: 0 PID: 14893 at ./include/linux/memcontrol.h:726 folio_lruvec_lock_irqsave+0x10e/0x170 [ 102.090478][T14893] Modules linked in: [ 102.091244][T14893] CPU: 0 UID: 0 PID: 14893 Comm: hmm-tests Not tainted 6.13.0-09623-g6c216bc522fd #151 [ 102.093089][T14893] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-2.fc40 04/01/2014 [ 102.094848][T14893] RIP: 0010:folio_lruvec_lock_irqsave+0x10e/0x170 [ 102.096104][T14893] Code: ... [ 102.099908][T14893] RSP: 0018:ffffc900236c37b0 EFLAGS: 00010293 [ 102.101152][T14893] RAX: 0000000000000000 RBX: ffffea0004f30000 RCX: ffffffff8183f426 [ 102.102684][T14893] RDX: ffff8881063cb880 RSI: ffffffff81b8117f RDI: ffff8881063cb880 [ 102.104227][T14893] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 [ 102.105757][T14893] R10: 0000000000000001 R11: 0000000000000002 R12: ffffc900236c37d8 [ 102.107296][T14893] R13: ffff888277a2bcb0 R14: 000000000000001f R15: 0000000000000000 [ 102.108830][T14893] FS: 00007ff27dbdd740(0000) GS:ffff888277a00000(0000) knlGS:0000000000000000 [ 102.110643][T14893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 102.111924][T14893] CR2: 00007ff27d400000 CR3: 000000010866e000 CR4: 0000000000750ef0 [ 102.113478][T14893] PKRU: 55555554 [ 102.114172][T14893] Call Trace: [ 102.114805][T14893] <TASK> [ 102.115397][T14893] ? folio_lruvec_lock_irqsave+0x10e/0x170 [ 102.116547][T14893] ? __warn.cold+0x110/0x210 [ 102.117461][T14893] ? folio_lruvec_lock_irqsave+0x10e/0x170 [ 102.118667][T14893] ? report_bug+0x1b9/0x320 [ 102.119571][T14893] ? handle_bug+0x54/0x90 [ 102.120494][T14893] ? exc_invalid_op+0x17/0x50 [ 102.121433][T14893] ? asm_exc_invalid_op+0x1a/0x20 [ 102.122435][T14893] ? __wake_up_klogd.part.0+0x76/0xd0 [ 102.123506][T14893] ? dump_page+0x4f/0x60 [ 102.124352][T14893] ? folio_lruvec_lock_irqsave+0x10e/0x170 [ 102.125500][T14893] folio_batch_move_lru+0xd4/0x200 [ 102.126577][T14893] ? __pfx_lru_add+0x10/0x10 [ 102.127505][T14893] __folio_batch_add_and_move+0x391/0x720 [ 102.128633][T14893] ? __pfx_lru_add+0x10/0x10 [ 102.129550][T14893] folio_putback_lru+0x16/0x80 [ 102.130564][T14893] migrate_device_finalize+0x9b/0x530 [ 102.131640][T14893] dmirror_migrate_to_device.constprop.0+0x7c5/0xad0 [ 102.133047][T14893] dmirror_fops_unlocked_ioctl+0x89b/0xc80 Likely, nothing else goes wrong: putting the last folio reference will remove the folio from the LRU again. So besides memcg complaining, adding the folio to be freed to the LRU is just an unnecessary step. The new flow resembles what we have in migrate_folio_move(): add the dst to the lru, remove migration ptes, unlock and unref dst. Link: https://lkml.kernel.org/r/20250210161317.717936-1-david@redhat.com Fixes: 8763cb45ab96 ("mm/migrate: new memory migration helper for use with device memory") Signed-off-by: David Hildenbrand <david(a)redhat.com> Cc: Jérôme Glisse <jglisse(a)redhat.com> Cc: John Hubbard <jhubbard(a)nvidia.com> Cc: Alistair Popple <apopple(a)nvidia.com> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> diff --git a/mm/migrate_device.c b/mm/migrate_device.c index 9cf26592ac93..5bd888223cc8 100644 --- a/mm/migrate_device.c +++ b/mm/migrate_device.c @@ -840,20 +840,15 @@ void migrate_device_finalize(unsigned long *src_pfns, dst = src; } + if (!folio_is_zone_device(dst)) + folio_add_lru(dst); remove_migration_ptes(src, dst, 0); folio_unlock(src); - - if (folio_is_zone_device(src)) - folio_put(src); - else - folio_putback_lru(src); + folio_put(src); if (dst != src) { folio_unlock(dst); - if (folio_is_zone_device(dst)) - folio_put(dst); - else - folio_putback_lru(dst); + folio_put(dst); } } }

2 months, 3 weeks

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FAILED: patch "[PATCH] mm/migrate_device: don't add folio to be freed to LRU in" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x 41cddf83d8b00f29fd105e7a0777366edc69a5cf # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025022404-rebuttal-laundry-1cf8@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 41cddf83d8b00f29fd105e7a0777366edc69a5cf Mon Sep 17 00:00:00 2001 From: David Hildenbrand <david(a)redhat.com> Date: Mon, 10 Feb 2025 17:13:17 +0100 Subject: [PATCH] mm/migrate_device: don't add folio to be freed to LRU in migrate_device_finalize() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit If migration succeeded, we called folio_migrate_flags()->mem_cgroup_migrate() to migrate the memcg from the old to the new folio. This will set memcg_data of the old folio to 0. Similarly, if migration failed, memcg_data of the dst folio is left unset. If we call folio_putback_lru() on such folios (memcg_data == 0), we will add the folio to be freed to the LRU, making memcg code unhappy. Running the hmm selftests: # ./hmm-tests ... # RUN hmm.hmm_device_private.migrate ... [ 102.078007][T14893] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x7ff27d200 pfn:0x13cc00 [ 102.079974][T14893] anon flags: 0x17ff00000020018(uptodate|dirty|swapbacked|node=0|zone=2|lastcpupid=0x7ff) [ 102.082037][T14893] raw: 017ff00000020018 dead000000000100 dead000000000122 ffff8881353896c9 [ 102.083687][T14893] raw: 00000007ff27d200 0000000000000000 00000001ffffffff 0000000000000000 [ 102.085331][T14893] page dumped because: VM_WARN_ON_ONCE_FOLIO(!memcg && !mem_cgroup_disabled()) [ 102.087230][T14893] ------------[ cut here ]------------ [ 102.088279][T14893] WARNING: CPU: 0 PID: 14893 at ./include/linux/memcontrol.h:726 folio_lruvec_lock_irqsave+0x10e/0x170 [ 102.090478][T14893] Modules linked in: [ 102.091244][T14893] CPU: 0 UID: 0 PID: 14893 Comm: hmm-tests Not tainted 6.13.0-09623-g6c216bc522fd #151 [ 102.093089][T14893] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-2.fc40 04/01/2014 [ 102.094848][T14893] RIP: 0010:folio_lruvec_lock_irqsave+0x10e/0x170 [ 102.096104][T14893] Code: ... [ 102.099908][T14893] RSP: 0018:ffffc900236c37b0 EFLAGS: 00010293 [ 102.101152][T14893] RAX: 0000000000000000 RBX: ffffea0004f30000 RCX: ffffffff8183f426 [ 102.102684][T14893] RDX: ffff8881063cb880 RSI: ffffffff81b8117f RDI: ffff8881063cb880 [ 102.104227][T14893] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 [ 102.105757][T14893] R10: 0000000000000001 R11: 0000000000000002 R12: ffffc900236c37d8 [ 102.107296][T14893] R13: ffff888277a2bcb0 R14: 000000000000001f R15: 0000000000000000 [ 102.108830][T14893] FS: 00007ff27dbdd740(0000) GS:ffff888277a00000(0000) knlGS:0000000000000000 [ 102.110643][T14893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 102.111924][T14893] CR2: 00007ff27d400000 CR3: 000000010866e000 CR4: 0000000000750ef0 [ 102.113478][T14893] PKRU: 55555554 [ 102.114172][T14893] Call Trace: [ 102.114805][T14893] <TASK> [ 102.115397][T14893] ? folio_lruvec_lock_irqsave+0x10e/0x170 [ 102.116547][T14893] ? __warn.cold+0x110/0x210 [ 102.117461][T14893] ? folio_lruvec_lock_irqsave+0x10e/0x170 [ 102.118667][T14893] ? report_bug+0x1b9/0x320 [ 102.119571][T14893] ? handle_bug+0x54/0x90 [ 102.120494][T14893] ? exc_invalid_op+0x17/0x50 [ 102.121433][T14893] ? asm_exc_invalid_op+0x1a/0x20 [ 102.122435][T14893] ? __wake_up_klogd.part.0+0x76/0xd0 [ 102.123506][T14893] ? dump_page+0x4f/0x60 [ 102.124352][T14893] ? folio_lruvec_lock_irqsave+0x10e/0x170 [ 102.125500][T14893] folio_batch_move_lru+0xd4/0x200 [ 102.126577][T14893] ? __pfx_lru_add+0x10/0x10 [ 102.127505][T14893] __folio_batch_add_and_move+0x391/0x720 [ 102.128633][T14893] ? __pfx_lru_add+0x10/0x10 [ 102.129550][T14893] folio_putback_lru+0x16/0x80 [ 102.130564][T14893] migrate_device_finalize+0x9b/0x530 [ 102.131640][T14893] dmirror_migrate_to_device.constprop.0+0x7c5/0xad0 [ 102.133047][T14893] dmirror_fops_unlocked_ioctl+0x89b/0xc80 Likely, nothing else goes wrong: putting the last folio reference will remove the folio from the LRU again. So besides memcg complaining, adding the folio to be freed to the LRU is just an unnecessary step. The new flow resembles what we have in migrate_folio_move(): add the dst to the lru, remove migration ptes, unlock and unref dst. Link: https://lkml.kernel.org/r/20250210161317.717936-1-david@redhat.com Fixes: 8763cb45ab96 ("mm/migrate: new memory migration helper for use with device memory") Signed-off-by: David Hildenbrand <david(a)redhat.com> Cc: Jérôme Glisse <jglisse(a)redhat.com> Cc: John Hubbard <jhubbard(a)nvidia.com> Cc: Alistair Popple <apopple(a)nvidia.com> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> diff --git a/mm/migrate_device.c b/mm/migrate_device.c index 9cf26592ac93..5bd888223cc8 100644 --- a/mm/migrate_device.c +++ b/mm/migrate_device.c @@ -840,20 +840,15 @@ void migrate_device_finalize(unsigned long *src_pfns, dst = src; } + if (!folio_is_zone_device(dst)) + folio_add_lru(dst); remove_migration_ptes(src, dst, 0); folio_unlock(src); - - if (folio_is_zone_device(src)) - folio_put(src); - else - folio_putback_lru(src); + folio_put(src); if (dst != src) { folio_unlock(dst); - if (folio_is_zone_device(dst)) - folio_put(dst); - else - folio_putback_lru(dst); + folio_put(dst); } } }

2 months, 3 weeks

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Linux-stable-mirror September 2025