This is the start of the stable review cycle for the 6.12.56 release. There are 117 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.
Responses should be made by Wed, 29 Oct 2025 18:34:15 +0000. Anything received after that time might be too late.
The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.12.56-rc1... or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.12.y and the diffstat can be found below.
thanks,
greg k-h
------------- Pseudo-Shortlog of commits:
Greg Kroah-Hartman gregkh@linuxfoundation.org Linux 6.12.56-rc1
Darrick J. Wong djwong@kernel.org xfs: always warn about deprecated mount options
Catalin Marinas catalin.marinas@arm.com arm64: mte: Do not warn if the page is already tagged in copy_highpage()
Maarten Lankhorst dev@lankhorst.se devcoredump: Fix circular locking dependency with devcd->mutex.
Hugo Villeneuve hvilleneuve@dimonoff.com serial: sc16is7xx: remove useless enable of enhanced features
Daniel Golle daniel@makrotopia.org serial: 8250_mtk: Enable baud clock and manage in runtime PM
Florian Eckert fe@dev.tdt.de serial: 8250_exar: add support for Advantech 2 port card with Device ID 0x0018
Artem Shimko a.shimko.dev@gmail.com serial: 8250_dw: handle reset control deassert error
Xu Yang xu.yang_2@nxp.com dt-bindings: usb: dwc3-imx8mp: dma-range is required only for imx8mp
Michael Grzeschik m.grzeschik@pengutronix.de tcpm: switch check for role_sw device with fw_node
Victoria Votokina Victoria.Votokina@kaspersky.com most: usb: hdm_probe: Fix calling put_device() before device initialization
Victoria Votokina Victoria.Votokina@kaspersky.com most: usb: Fix use-after-free in hdm_disconnect
Junhao Xie bigfoot@radxa.com misc: fastrpc: Fix dma_buf object leak in fastrpc_map_lookup
Miguel Ojeda ojeda@kernel.org objtool/rust: add one more `noreturn` Rust function
Alexander Usyskin alexander.usyskin@intel.com mei: me: add wildcat lake P DID
Deepanshu Kartikey kartikey406@gmail.com comedi: fix divide-by-zero in comedi_buf_munge()
Alice Ryhl aliceryhl@google.com binder: remove "invalid inc weak" check
Andrew Cooper andrew.cooper3@citrix.com x86/microcode: Fix Entrysign revision check for Zen1/Naples
Mathias Nyman mathias.nyman@linux.intel.com xhci: dbc: fix bogus 1024 byte prefix if ttyDBC read races with stall event
Mathias Nyman mathias.nyman@linux.intel.com xhci: dbc: enable back DbC in resume if it was enabled before suspend
Andrey Konovalov andreyknvl@gmail.com usb: raw-gadget: do not limit transfer length
Tim Guttzeit t.guttzeit@tuxedocomputers.com usb/core/quirks: Add Huawei ME906S to wakeup quirk
LI Qingwu Qing-wu.Li@leica-geosystems.com.cn USB: serial: option: add Telit FN920C04 ECM compositions
Reinhard Speyerer rspmn@arcor.de USB: serial: option: add Quectel RG255C
Renjun Wang renjunw0@foxmail.com USB: serial: option: add UNISOC UIS7720
Suma Hegde suma.hegde@amd.com platform/x86/amd/hsmp: Ensure sock->metric_tbl_addr is non-NULL
Kiran K kiran.k@intel.com Bluetooth: btintel: Add DSBR support for BlazarIW, BlazarU and GaP
Jens Axboe axboe@kernel.dk io_uring/sqpoll: be smarter on when to update the stime usage
Jens Axboe axboe@kernel.dk io_uring/sqpoll: switch away from getrusage() for CPU accounting
Andy Shevchenko andriy.shevchenko@linux.intel.com sched: Remove never used code in mm_cid_get()
Alok Tiwari alok.a.tiwari@oracle.com io_uring: correct __must_hold annotation in io_install_fixed_file
Haotian Zhang vulab@iscas.ac.cn gpio: ljca: Fix duplicated IRQ mapping
Jocelyn Falempe jfalempe@redhat.com drm/panic: Fix qr_code, ensure vmargin is positive
Jocelyn Falempe jfalempe@redhat.com drm/panic: Fix drawing the logo on a small narrow screen
Ondrej Mosnacek omosnace@redhat.com nbd: override creds to kernel when calling sock_{send,recv}msg()
Guenter Roeck linux@roeck-us.net hwmon: (sht3x) Fix error handling
Paul Walmsley pjw@kernel.org riscv: hwprobe: avoid uninitialized variable use in hwprobe_arch_id()
Anup Patel apatel@ventanamicro.com RISC-V: Don't print details of CPUs disabled in DT
Anup Patel apatel@ventanamicro.com RISC-V: Define pgprot_dmacoherent() for non-coherent devices
Akash Goel akash.goel@arm.com drm/panthor: Fix kernel panic on partial unmap of a GPU VA region
Mikhail Kshevetskiy mikhail.kshevetskiy@iopsys.eu spi: airoha: fix reading/writing of flashes with more than one plane per lun
Mikhail Kshevetskiy mikhail.kshevetskiy@iopsys.eu spi: airoha: switch back to non-dma mode in the case of error
Lorenzo Bianconi lorenzo@kernel.org spi: airoha: do not keep {tx,rx} dma buffer always mapped
Mikhail Kshevetskiy mikhail.kshevetskiy@iopsys.eu spi: airoha: add support of dual/quad wires spi modes to exec_op() handler
Mikhail Kshevetskiy mikhail.kshevetskiy@iopsys.eu spi: airoha: return an error for continuous mode dirmap creation cases
Artem Shimko a.shimko.dev@gmail.com firmware: arm_scmi: Fix premature SCMI_XFER_FLAG_IS_RAW clearing in raw mode
Cristian Marussi cristian.marussi@arm.com firmware: arm_scmi: Account for failed debug initialization
Peter Robinson pbrobinson@gmail.com arm64: dts: broadcom: bcm2712: Define VGIC interrupt
Krzysztof Kozlowski krzysztof.kozlowski@linaro.org arm64: dts: broadcom: bcm2712: Add default GIC address cells
Han Xu han.xu@nxp.com spi: spi-nxp-fspi: add extra delay after dll locked
Charlene Liu Charlene.Liu@amd.com drm/amd/display: increase max link count and fix link->enc NULL pointer access
Qiuxu Zhuo qiuxu.zhuo@intel.com mm: prevent poison consumption when splitting THP
Matthieu Baerts (NGI0) matttbe@kernel.org selftests: mptcp: join: mark implicit tests as skipped if not supported
Matthieu Baerts (NGI0) matttbe@kernel.org selftests: mptcp: join: mark 'flush re-add' as skipped if not supported
Lad Prabhakar prabhakar.mahadev-lad.rj@bp.renesas.com net: ravb: Ensure memory write completes before ringing TX doorbell
Lad Prabhakar prabhakar.mahadev-lad.rj@bp.renesas.com net: ravb: Enforce descriptor type ordering
Michal Pecio michal.pecio@gmail.com net: usb: rtl8150: Fix frame padding
Sebastian Reichel sebastian.reichel@collabora.com net: stmmac: dwmac-rk: Fix disabling set_clock_selection
Stefano Garzarella sgarzare@redhat.com vsock: fix lock inversion in vsock_assign_transport()
Deepanshu Kartikey kartikey406@gmail.com ocfs2: clear extent cache after moving/defragmenting extents
Maciej W. Rozycki macro@orcam.me.uk MIPS: Malta: Fix keyboard resource preventing i8042 driver from registering
David Howells dhowells@redhat.com cifs: Fix TCP_Server_Info::credits to be signed
Marc Kleine-Budde mkl@pengutronix.de can: netlink: can_changelink(): allow disabling of automatic restart
Xi Ruoyao xry111@xry111.site ACPICA: Work around bogus -Wstringop-overread warning since GCC 11
Hao Ge gehao@kylinos.cn slab: Fix obj_ext mistakenly considered NULL due to race condition
Hao Ge gehao@kylinos.cn slab: Avoid race on slab->obj_exts in alloc_slab_obj_exts
Rafael J. Wysocki rafael.j.wysocki@intel.com Revert "cpuidle: menu: Avoid discarding useful information"
Darrick J. Wong djwong@kernel.org xfs: fix locking in xchk_nlinks_collect_dir
William Breathitt Gray wbg@kernel.org gpio: 104-idio-16: Define maximum valid register address offset
William Breathitt Gray wbg@kernel.org gpio: pci-idio-16: Define maximum valid register address offset
Dewei Meng mengdewei@cqsoftware.com.cn btrfs: directly free partially initialized fs_info in btrfs_check_leaked_roots()
Kaushlendra Kumar kaushlendra.kumar@intel.com arch_topology: Fix incorrect error check in topology_parse_cpu_capacity()
Marek Szyprowski m.szyprowski@samsung.com dma-debug: don't report false positives with DMA_BOUNCE_UNALIGNED_KMALLOC
Tonghao Zhang tonghao@bamaicloud.com net: bonding: fix possible peer notify event loss or dup issue
Jakub Acs acsjakub@amazon.de fs/notify: call exportfs_encode_fid with s_umount
Patrisious Haddad phaddad@nvidia.com net/mlx5: Fix IPsec cleanup over MPV device
Robert Marko robert.marko@sartura.hr net: phy: micrel: always set shared->phydev for LAN8814
Alexey Simakov bigalex934@gmail.com sctp: avoid NULL dereference when chunk data buffer is missing
Jiasheng Jiang jiashengjiangcool@gmail.com ptp: ocp: Fix typo using index 1 instead of i in SMA initialization loop
Huang Ying ying.huang@linux.alibaba.com arm64, mm: avoid always making PTE dirty in pte_mkwrite()
Aksh Garg a-garg7@ti.com net: ethernet: ti: am65-cpts: fix timestamp loss due to race conditions
Wang Liang wangliang74@huawei.com net/smc: fix general protection fault in __smc_diag_dump
Amery Hung ameryhung@gmail.com net/mlx5e: RX, Fix generating skb from non-linear xdp_buff for striding RQ
Amery Hung ameryhung@gmail.com net/mlx5e: RX, Fix generating skb from non-linear xdp_buff for legacy RQ
Carolina Jubran cjubran@nvidia.com net/mlx5e: Reuse per-RQ XDP buffer to avoid stack zeroing overhead
Xin Long lucien.xin@gmail.com selftests: net: fix server bind failure in sctp_vrf.sh
Marc Kleine-Budde mkl@pengutronix.de can: rockchip-canfd: rkcanfd_start_xmit(): use can_dev_dropped_skb() instead of can_dropped_invalid_skb()
Marc Kleine-Budde mkl@pengutronix.de can: esd: acc_start_xmit(): use can_dev_dropped_skb() instead of can_dropped_invalid_skb()
Marc Kleine-Budde mkl@pengutronix.de can: bxcan: bxcan_start_xmit(): use can_dev_dropped_skb() instead of can_dropped_invalid_skb()
Ioana Ciornei ioana.ciornei@nxp.com dpaa2-eth: fix the pointer passed to PTR_ALIGN on Tx path
Wei Fang wei.fang@nxp.com net: enetc: correct the value of ENETC_RXB_TRUESIZE
Jianpeng Chang jianpeng.chang.cn@windriver.com net: enetc: fix the deadlock of enetc_mdio_lock
Johannes Wiesböck johannes.wiesboeck@aisec.fraunhofer.de rtnetlink: Allow deleting FDB entries in user namespace
Nathan Chancellor nathan@kernel.org net/mlx5e: Return 1 instead of 0 in invalid case in mlx5e_mpwrq_umr_entry_size()
Christian Loehle christian.loehle@arm.com PM: EM: Fix late boot with holes in CPU topology
Rafael J. Wysocki rafael.j.wysocki@intel.com PM: EM: Move CPU capacity check to em_adjust_new_capacity()
Rafael J. Wysocki rafael.j.wysocki@intel.com PM: EM: Slightly reduce em_check_capacity_update() overhead
Rafael J. Wysocki rafael.j.wysocki@intel.com PM: EM: Drop unused parameter from em_adjust_new_capacity()
Linus Torvalds torvalds@linux-foundation.org Unbreak 'make tools/*' for user-space targets
Stefan Metzmacher metze@samba.org smb: server: let smb_direct_flush_send_list() invalidate a remote key first
Heiko Carstens hca@linux.ibm.com s390/mm: Use __GFP_ACCOUNT for user page table allocations
Yicong Yang yangyicong@hisilicon.com drivers/perf: hisi: Relax the event ID check in the framework
Christophe Leroy christophe.leroy@csgroup.eu powerpc/32: Remove PAGE_KERNEL_TEXT to fix startup failure
Geert Uytterhoeven geert@linux-m68k.org m68k: bitops: Fix find_*_bit() signatures
Andreas Gruenbacher agruenba@redhat.com gfs2: Fix unlikely race in gdlm_put_lock
Fuad Tabba tabba@google.com arm64: sysreg: Correct sign definitions for EIESB and DoubleLock
Junjie Cao junjie.cao@intel.com lkdtm: fortify: Fix potential NULL dereference on kmalloc failure
Kees Cook kees@kernel.org PCI: Test for bit underflow in pcie_set_readrq()
Yangtao Li frank.li@vivo.com hfsplus: return EIO when type of hidden directory mismatch in hfsplus_fill_super()
Viacheslav Dubeyko slava@dubeyko.com hfs: fix KMSAN uninit-value issue in hfs_find_set_zero_bits()
Alexander Aring aahringo@redhat.com dlm: check for defined force value in dlm_lockspace_release
Viacheslav Dubeyko slava@dubeyko.com hfsplus: fix KMSAN uninit-value issue in hfsplus_delete_cat()
Yang Chenzhi yang.chenzhi@vivo.com hfs: validate record offset in hfsplus_bmap_alloc
Viacheslav Dubeyko slava@dubeyko.com hfsplus: fix KMSAN uninit-value issue in __hfsplus_ext_cache_extent()
Viacheslav Dubeyko slava@dubeyko.com hfs: make proper initalization of struct hfs_find_data
Viacheslav Dubeyko slava@dubeyko.com hfs: clear offset and space out of valid records in b-tree node
Simon Schuster schuster.simon@siemens-energy.com nios2: ensure that memblock.current_limit is set when setting pfn limits
Xichao Zhao zhao.xichao@vivo.com exec: Fix incorrect type for ret
-------------
Diffstat:
.../devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml | 10 +- Makefile | 8 +- arch/arm64/boot/dts/broadcom/bcm2712.dtsi | 3 + arch/arm64/include/asm/pgtable.h | 3 +- arch/arm64/mm/copypage.c | 9 +- arch/arm64/tools/sysreg | 4 +- arch/m68k/include/asm/bitops.h | 25 +- arch/mips/mti-malta/malta-setup.c | 2 +- arch/nios2/kernel/setup.c | 15 ++ arch/powerpc/include/asm/pgtable.h | 12 - arch/powerpc/mm/book3s32/mmu.c | 4 +- arch/powerpc/mm/pgtable_32.c | 2 +- arch/riscv/include/asm/pgtable.h | 2 + arch/riscv/kernel/cpu.c | 4 +- arch/riscv/kernel/sys_hwprobe.c | 6 + arch/s390/mm/pgalloc.c | 13 +- arch/x86/kernel/cpu/microcode/amd.c | 2 +- drivers/acpi/acpica/tbprint.c | 6 + drivers/android/binder.c | 11 +- drivers/base/arch_topology.c | 2 +- drivers/base/devcoredump.c | 138 ++++++---- drivers/block/nbd.c | 15 ++ drivers/bluetooth/btintel.c | 28 ++- drivers/bluetooth/btintel.h | 3 + drivers/comedi/comedi_buf.c | 2 +- drivers/cpuidle/governors/menu.c | 21 +- drivers/firmware/arm_scmi/common.h | 24 +- drivers/firmware/arm_scmi/driver.c | 47 ++-- drivers/gpio/gpio-104-idio-16.c | 1 + drivers/gpio/gpio-ljca.c | 14 +- drivers/gpio/gpio-pci-idio-16.c | 1 + .../drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c | 3 + drivers/gpu/drm/amd/display/dc/inc/hw/hw_shared.h | 8 +- drivers/gpu/drm/drm_panic.c | 8 +- drivers/gpu/drm/panthor/panthor_mmu.c | 10 +- drivers/hwmon/sht3x.c | 27 +- drivers/misc/fastrpc.c | 2 + drivers/misc/lkdtm/fortify.c | 6 + drivers/misc/mei/hw-me-regs.h | 2 + drivers/misc/mei/pci-me.c | 2 + drivers/most/most_usb.c | 13 +- drivers/net/bonding/bond_main.c | 40 ++- drivers/net/can/bxcan.c | 2 +- drivers/net/can/dev/netlink.c | 6 +- drivers/net/can/esd/esdacc.c | 2 +- drivers/net/can/rockchip/rockchip_canfd-tx.c | 2 +- drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 3 +- drivers/net/ethernet/freescale/enetc/enetc.c | 25 +- drivers/net/ethernet/freescale/enetc/enetc.h | 2 +- drivers/net/ethernet/mellanox/mlx5/core/en.h | 7 + .../net/ethernet/mellanox/mlx5/core/en/params.c | 2 +- drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h | 6 - .../ethernet/mellanox/mlx5/core/en_accel/ipsec.h | 5 + .../mellanox/mlx5/core/en_accel/ipsec_fs.c | 25 +- drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 2 + drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 128 ++++++---- drivers/net/ethernet/renesas/ravb_main.c | 24 +- drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 9 +- drivers/net/ethernet/ti/am65-cpts.c | 63 +++-- drivers/net/phy/micrel.c | 4 +- drivers/net/usb/rtl8150.c | 11 +- drivers/pci/pci.c | 6 +- drivers/perf/hisilicon/hisi_uncore_pmu.c | 2 +- drivers/perf/hisilicon/hisi_uncore_pmu.h | 3 +- drivers/platform/x86/amd/hsmp.c | 5 + drivers/ptp/ptp_ocp.c | 2 +- drivers/spi/spi-airoha-snfi.c | 280 ++++++++++++--------- drivers/spi/spi-nxp-fspi.c | 6 + drivers/tty/serial/8250/8250_dw.c | 4 +- drivers/tty/serial/8250/8250_exar.c | 11 + drivers/tty/serial/8250/8250_mtk.c | 6 +- drivers/tty/serial/sc16is7xx.c | 7 - drivers/usb/core/quirks.c | 2 + drivers/usb/gadget/legacy/raw_gadget.c | 2 - drivers/usb/host/xhci-dbgcap.c | 15 +- drivers/usb/serial/option.c | 10 + drivers/usb/typec/tcpm/tcpm.c | 4 +- fs/btrfs/super.c | 8 +- fs/dlm/lockspace.c | 2 +- fs/exec.c | 2 +- fs/gfs2/lock_dlm.c | 11 +- fs/hfs/bfind.c | 8 +- fs/hfs/brec.c | 27 +- fs/hfs/mdb.c | 2 +- fs/hfsplus/bfind.c | 8 +- fs/hfsplus/bnode.c | 41 --- fs/hfsplus/btree.c | 6 + fs/hfsplus/hfsplus_fs.h | 42 ++++ fs/hfsplus/super.c | 25 +- fs/notify/fdinfo.c | 6 + fs/ocfs2/move_extents.c | 5 + fs/smb/client/cifsglob.h | 2 +- fs/smb/server/transport_rdma.c | 11 +- fs/xfs/scrub/nlinks.c | 34 ++- fs/xfs/xfs_super.c | 33 ++- io_uring/fdinfo.c | 8 +- io_uring/filetable.c | 2 +- io_uring/sqpoll.c | 65 +++-- io_uring/sqpoll.h | 1 + kernel/dma/debug.c | 5 +- kernel/power/energy_model.c | 58 ++--- kernel/sched/sched.h | 2 - mm/huge_memory.c | 3 + mm/migrate.c | 3 +- mm/slub.c | 23 +- net/core/rtnetlink.c | 3 - net/sctp/inqueue.c | 13 +- net/smc/smc_inet.c | 13 - net/vmw_vsock/af_vsock.c | 38 +-- tools/objtool/check.c | 1 + tools/testing/selftests/net/mptcp/mptcp_join.sh | 6 +- tools/testing/selftests/net/sctp_hello.c | 17 +- tools/testing/selftests/net/sctp_vrf.sh | 73 +++--- 113 files changed, 1170 insertions(+), 688 deletions(-)