Message-ID: <20250512172027.691520737@linuxfoundation.org>
Date: Mon, 12 May 2025 19:44:49 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: stable@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	patches@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org,
	linux@...ck-us.net,
	shuah@...nel.org,
	patches@...nelci.org,
	lkft-triage@...ts.linaro.org,
	pavel@...x.de,
	jonathanh@...dia.com,
	f.fainelli@...il.com,
	sudipm.mukherjee@...il.com,
	srw@...dewatkins.net,
	rwarsow@....de,
	conor@...nel.org,
	hargar@...rosoft.com,
	broonie@...nel.org
Subject: [PATCH 6.6 000/113] 6.6.91-rc1 review

This is the start of the stable review cycle for the 6.6.91 release.
There are 113 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, 14 May 2025 17:19:58 +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-6.6.91-rc1.gz
or in the git tree and branch at:
	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.6.y
and the diffstat can be found below.

thanks,

greg k-h

-------------
Pseudo-Shortlog of commits:

Greg Kroah-Hartman <gregkh@...uxfoundation.org>
    Linux 6.6.91-rc1

Peter Zijlstra <peterz@...radead.org>
    x86/its: Use dynamic thunks for indirect branches

Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
    x86/ibt: Keep IBT disabled during alternative patching

Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
    x86/its: Align RETs in BHB clear sequence to avoid thunking

Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
    x86/its: Add support for RSB stuffing mitigation

Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
    x86/its: Add "vmexit" option to skip mitigation on some CPUs

Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
    x86/its: Enable Indirect Target Selection mitigation

Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
    x86/its: Add support for ITS-safe return thunk

Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
    x86/its: Add support for ITS-safe indirect thunk

Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
    x86/its: Enumerate Indirect Target Selection (ITS) bug

Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
    Documentation: x86/bugs/its: Add ITS documentation

Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
    x86/speculation: Remove the extra #ifdef around CALL_NOSPEC

Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
    x86/speculation: Add a conditional CS prefix to CALL_NOSPEC

Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
    x86/speculation: Simplify and make CALL_NOSPEC consistent

Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
    x86/bhi: Do not set BHI_DIS_S in 32-bit mode

Daniel Sneddon <daniel.sneddon@...ux.intel.com>
    x86/bpf: Add IBHF call at end of classic BPF

Daniel Sneddon <daniel.sneddon@...ux.intel.com>
    x86/bpf: Call branch history clearing sequence on exit

James Morse <james.morse@....com>
    arm64: proton-pack: Add new CPUs 'k' values for branch mitigation

James Morse <james.morse@....com>
    arm64: bpf: Only mitigate cBPF programs loaded by unprivileged users

James Morse <james.morse@....com>
    arm64: bpf: Add BHB mitigation to the epilogue for cBPF programs

James Morse <james.morse@....com>
    arm64: proton-pack: Expose whether the branchy loop k value

James Morse <james.morse@....com>
    arm64: proton-pack: Expose whether the platform is mitigated by firmware

James Morse <james.morse@....com>
    arm64: insn: Add support for encoding DSB

Jens Axboe <axboe@...nel.dk>
    io_uring: ensure deferred completions are posted for multishot

Jens Axboe <axboe@...nel.dk>
    io_uring: always arm linked timeouts prior to issue

Al Viro <viro@...iv.linux.org.uk>
    do_umount(): add missing barrier before refcount checks in sync case

Daniel Wagner <wagi@...nel.org>
    nvme: unblock ctrl state transition for firmware update

Kevin Baker <kevinb@...tureresearch.com>
    drm/panel: simple: Update timings for AUO G101EVN010

Thorsten Blum <thorsten.blum@...ux.dev>
    MIPS: Fix MAX_REG_OFFSET

Marco Crivellari <marco.crivellari@...e.com>
    MIPS: Move r4k_wait() to .cpuidle.text section

Marco Crivellari <marco.crivellari@...e.com>
    MIPS: Fix idle VS timer enqueue

Jonathan Cameron <Jonathan.Cameron@...wei.com>
    iio: adc: dln2: Use aligned_s64 for timestamp

Jonathan Cameron <Jonathan.Cameron@...wei.com>
    iio: accel: adxl355: Make timestamp 64-bit aligned using aligned_s64

Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
    types: Complement the aligned types with signed 64-bit one

Jonathan Cameron <Jonathan.Cameron@...wei.com>
    iio: temp: maxim-thermocouple: Fix potential lack of DMA safe buffer.

Lothar Rubusch <l.rubusch@...il.com>
    iio: accel: adxl367: fix setting odr for activity time update

Dave Penkler <dpenkler@...il.com>
    usb: usbtmc: Fix erroneous generic_read ioctl return

Dave Penkler <dpenkler@...il.com>
    usb: usbtmc: Fix erroneous wait_srq ioctl return

Dave Penkler <dpenkler@...il.com>
    usb: usbtmc: Fix erroneous get_stb ioctl error returns

Oliver Neukum <oneukum@...e.com>
    USB: usbtmc: use interruptible sleep in usbtmc_read

Andrei Kuchynski <akuchynski@...omium.org>
    usb: typec: ucsi: displayport: Fix NULL pointer access

RD Babiera <rdbabiera@...gle.com>
    usb: typec: tcpm: delay SNK_TRY_WAIT_DEBOUNCE to SRC_TRYWAIT transition

Jim Lin <jilin@...dia.com>
    usb: host: tegra: Prevent host controller crash when OTG port is used

Prashanth K <prashanth.k@....qualcomm.com>
    usb: gadget: Use get_status callback to set remote wakeup capability

Wayne Chang <waynec@...dia.com>
    usb: gadget: tegra-xudc: ACK ST_RC after clearing CTRL_RUN

Prashanth K <prashanth.k@....qualcomm.com>
    usb: gadget: f_ecm: Add get_status callback

Pawel Laszczak <pawell@...ence.com>
    usb: cdnsp: fix L1 resume issue for RTL_REVISION_NEW_LPM version

Pawel Laszczak <pawell@...ence.com>
    usb: cdnsp: Fix issue with resuming from L1

Jan Kara <jack@...e.cz>
    ocfs2: stop quota recovery before disabling quotas

Jan Kara <jack@...e.cz>
    ocfs2: implement handshaking with ocfs2 recovery thread

Jan Kara <jack@...e.cz>
    ocfs2: switch osb->disable_recovery to enum

Borislav Petkov (AMD) <bp@...en8.de>
    x86/microcode: Consolidate the loader enablement checking

Dmitry Antipov <dmantipov@...dex.ru>
    module: ensure that kobject_put() is safe for module type kobjects

Sebastian Andrzej Siewior <bigeasy@...utronix.de>
    clocksource/i8253: Use raw_spinlock_irqsave() in clockevent_i8253_disable()

Jason Andryuk <jason.andryuk@....com>
    xenbus: Use kref to track req lifetime

John Ernberg <john.ernberg@...ia.se>
    xen: swiotlb: Use swiotlb bouncing if kmalloc allocation demands it

Paul Aurich <paul@...krain42.org>
    smb: client: Avoid race in open_cached_dir with lease breaks

Alexey Charkov <alchark@...il.com>
    usb: uhci-platform: Make the clock really optional

Alex Deucher <alexander.deucher@....com>
    drm/amdgpu/hdp6: use memcfg register to post the write for HDP flush

Alex Deucher <alexander.deucher@....com>
    drm/amdgpu/hdp5: use memcfg register to post the write for HDP flush

Alex Deucher <alexander.deucher@....com>
    drm/amdgpu/hdp5.2: use memcfg register to post the write for HDP flush

Alex Deucher <alexander.deucher@....com>
    drm/amdgpu/hdp4: use memcfg register to post the write for HDP flush

Wayne Lin <Wayne.Lin@....com>
    drm/amd/display: Copy AUX read reply data whenever length > 0

Wayne Lin <Wayne.Lin@....com>
    drm/amd/display: Fix wrong handling for AUX_DEFER case

Wayne Lin <Wayne.Lin@....com>
    drm/amd/display: Remove incorrect checking in dmub aux handler

Wayne Lin <Wayne.Lin@....com>
    drm/amd/display: Fix the checking condition in dmub aux handling

Aurabindo Pillai <aurabindo.pillai@....com>
    drm/amd/display: more liberal vmin/vmax update for freesync

Maíra Canal <mcanal@...lia.com>
    drm/v3d: Add job to pending list if the reset was skipped

Silvano Seva <s.seva@...gma.it>
    iio: imu: st_lsm6dsx: fix possible lockup in st_lsm6dsx_read_tagged_fifo

Silvano Seva <s.seva@...gma.it>
    iio: imu: st_lsm6dsx: fix possible lockup in st_lsm6dsx_read_fifo

Gabriel Shahrouzi <gshahrouzi@...il.com>
    iio: adis16201: Correct inclinometer channel resolution

Simon Xue <xxm@...k-chips.com>
    iio: adc: rockchip: Fix clock initialization sequence

Angelo Dureghello <adureghello@...libre.com>
    iio: adc: ad7606: fix serial register access

Wayne Lin <Wayne.Lin@....com>
    drm/amd/display: Shift DMUB AUX reply command if necessary

Dave Hansen <dave.hansen@...ux.intel.com>
    x86/mm: Eliminate window where TLB flushes may be inadvertently skipped

Gabriel Shahrouzi <gshahrouzi@...il.com>
    staging: axis-fifo: Correct handling of tx_fifo_depth for size validation

Gabriel Shahrouzi <gshahrouzi@...il.com>
    staging: axis-fifo: Remove hardware resets for user errors

Gabriel Shahrouzi <gshahrouzi@...il.com>
    staging: iio: adc: ad7816: Correct conditional logic for store mode

Aditya Garg <gargaditya08@...e.com>
    Input: synaptics - enable InterTouch on TUXEDO InfinityBook Pro 14 v5

Dmitry Torokhov <dmitry.torokhov@...il.com>
    Input: synaptics - enable SMBus for HP Elitebook 850 G1

Aditya Garg <gargaditya08@...e.com>
    Input: synaptics - enable InterTouch on Dell Precision M3800

Aditya Garg <gargaditya08@...e.com>
    Input: synaptics - enable InterTouch on Dynabook Portege X30L-G

Manuel Fombuena <fombuena@...look.com>
    Input: synaptics - enable InterTouch on Dynabook Portege X30-D

Vicki Pfau <vi@...rift.com>
    Input: xpad - fix two controller table values

Lode Willems <me@...ewillems.com>
    Input: xpad - add support for 8BitDo Ultimate 2 Wireless Controller

Vicki Pfau <vi@...rift.com>
    Input: xpad - fix Share button on Xbox One controllers

Gary Bisson <bisson.gary@...il.com>
    Input: mtk-pmic-keys - fix possible null pointer dereference

Mikael Gonella-Bolduc <mgonellabolduc@...onoff.com>
    Input: cyttsp5 - fix power control issue on wakeup

Hugo Villeneuve <hvilleneuve@...onoff.com>
    Input: cyttsp5 - ensure minimum reset pulse width

Jonas Gorski <jonas.gorski@...il.com>
    net: dsa: b53: fix learning on VLAN unaware bridges

Jonas Gorski <jonas.gorski@...il.com>
    net: dsa: b53: always rejoin default untagged VLAN on bridge leave

Jonas Gorski <jonas.gorski@...il.com>
    net: dsa: b53: fix VLAN ID for untagged vlan on bridge leave

Jonas Gorski <jonas.gorski@...il.com>
    net: dsa: b53: fix flushing old pvid VLAN on pvid change

Jonas Gorski <jonas.gorski@...il.com>
    net: dsa: b53: fix clearing PVID of a port

Jonas Gorski <jonas.gorski@...il.com>
    net: dsa: b53: allow leaky reserved multicast

Paul Chaignon <paul.chaignon@...il.com>
    bpf: Scrub packet on bpf_redirect_peer

Jozsef Kadlecsik <kadlec@...filter.org>
    netfilter: ipset: fix region locking in hash types

Julian Anastasov <ja@....bg>
    ipvs: fix uninit-value for saddr in do_output_route4

Oliver Hartkopp <socketcan@...tkopp.net>
    can: gw: fix RCU/BH usage in cgw_create_job()

Kelsey Maes <kelsey@...rocess.com>
    can: mcp251xfd: fix TDC setting for low data bit rates

Daniel Golle <daniel@...rotopia.org>
    net: ethernet: mtk_eth_soc: reset all TX queues on DMA free

Alexander Lobakin <aleksander.lobakin@...el.com>
    netdevice: add netdev_tx_reset_subqueue() shorthand

Guillaume Nault <gnault@...hat.com>
    gre: Fix again IPv6 link-local address generation.

Cong Wang <xiyou.wangcong@...il.com>
    sch_htb: make htb_deactivate() idempotent

Wang Zhaolong <wangzhaolong1@...wei.com>
    ksmbd: fix memory leak in parse_lease_state()

Eelco Chaudron <echaudro@...hat.com>
    openvswitch: Fix unsafe attribute parsing in output_userspace()

Sean Heelan <seanheelan@...il.com>
    ksmbd: Fix UAF in __close_file_table_ids

Norbert Szetei <norbert@...ensec.com>
    ksmbd: prevent out-of-bounds stream writes by validating *pos

Namjae Jeon <linkinjeon@...nel.org>
    ksmbd: prevent rename with empty string

Marc Kleine-Budde <mkl@...gutronix.de>
    can: mcp251xfd: mcp251xfd_remove(): fix order of unregistration calls

Veerendranath Jakkam <quic_vjakkam@...cinc.com>
    wifi: cfg80211: fix out-of-bounds access during multi-link element defragmentation

Marc Kleine-Budde <mkl@...gutronix.de>
    can: mcan: m_can_class_unregister(): fix order of unregistration calls

Wojciech Dubowik <Wojciech.Dubowik@...com>
    arm64: dts: imx8mm-verdin: Link reg_usdhc2_vqmmc to usdhc2

Dan Carpenter <dan.carpenter@...aro.org>
    dm: add missing unlock on in dm_keyslot_evict()


-------------

Diffstat:

 Documentation/ABI/testing/sysfs-devices-system-cpu |   1 +
 Documentation/admin-guide/hw-vuln/index.rst        |   1 +
 .../hw-vuln/indirect-target-selection.rst          | 168 +++++++++++++++++
 Documentation/admin-guide/kernel-parameters.txt    |  18 ++
 Makefile                                           |   4 +-
 arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi   |  25 ++-
 arch/arm64/include/asm/cputype.h                   |   2 +
 arch/arm64/include/asm/insn.h                      |   1 +
 arch/arm64/include/asm/spectre.h                   |   3 +
 arch/arm64/kernel/proton-pack.c                    |  13 +-
 arch/arm64/lib/insn.c                              |  76 ++++----
 arch/arm64/net/bpf_jit_comp.c                      |  57 +++++-
 arch/mips/include/asm/idle.h                       |   3 +-
 arch/mips/include/asm/ptrace.h                     |   3 +-
 arch/mips/kernel/genex.S                           |  63 ++++---
 arch/mips/kernel/idle.c                            |   7 -
 arch/x86/Kconfig                                   |  11 ++
 arch/x86/entry/entry_64.S                          |  20 ++-
 arch/x86/include/asm/alternative.h                 |  24 +++
 arch/x86/include/asm/cpufeatures.h                 |   3 +
 arch/x86/include/asm/microcode.h                   |   2 +
 arch/x86/include/asm/msr-index.h                   |   8 +
 arch/x86/include/asm/nospec-branch.h               |  44 +++--
 arch/x86/kernel/alternative.c                      | 198 ++++++++++++++++++++-
 arch/x86/kernel/cpu/bugs.c                         | 178 +++++++++++++++++-
 arch/x86/kernel/cpu/common.c                       |  72 ++++++--
 arch/x86/kernel/cpu/microcode/amd.c                |   6 +-
 arch/x86/kernel/cpu/microcode/core.c               |  60 ++++---
 arch/x86/kernel/cpu/microcode/intel.c              |   2 +-
 arch/x86/kernel/cpu/microcode/internal.h           |   1 -
 arch/x86/kernel/ftrace.c                           |   2 +-
 arch/x86/kernel/head32.c                           |   4 -
 arch/x86/kernel/module.c                           |   7 +
 arch/x86/kernel/static_call.c                      |   4 +-
 arch/x86/kernel/vmlinux.lds.S                      |  10 ++
 arch/x86/kvm/x86.c                                 |   4 +-
 arch/x86/lib/retpoline.S                           |  39 ++++
 arch/x86/mm/tlb.c                                  |  23 ++-
 arch/x86/net/bpf_jit_comp.c                        |  61 ++++++-
 drivers/base/cpu.c                                 |   3 +
 drivers/clocksource/i8253.c                        |   4 +-
 drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c              |   7 +-
 drivers/gpu/drm/amd/amdgpu/hdp_v5_0.c              |   7 +-
 drivers/gpu/drm/amd/amdgpu/hdp_v5_2.c              |  12 +-
 drivers/gpu/drm/amd/amdgpu/hdp_v6_0.c              |   7 +-
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c  |  36 ++--
 .../amd/display/amdgpu_dm/amdgpu_dm_mst_types.c    |  28 ++-
 drivers/gpu/drm/panel/panel-simple.c               |  25 +--
 drivers/gpu/drm/v3d/v3d_sched.c                    |  28 ++-
 drivers/iio/accel/adis16201.c                      |   4 +-
 drivers/iio/accel/adxl355_core.c                   |   2 +-
 drivers/iio/accel/adxl367.c                        |  10 +-
 drivers/iio/adc/ad7606_spi.c                       |   2 +-
 drivers/iio/adc/dln2-adc.c                         |   2 +-
 drivers/iio/adc/rockchip_saradc.c                  |  17 +-
 drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c     |   6 +
 drivers/iio/temperature/maxim_thermocouple.c       |   2 +-
 drivers/input/joystick/xpad.c                      |  40 +++--
 drivers/input/keyboard/mtk-pmic-keys.c             |   4 +-
 drivers/input/mouse/synaptics.c                    |   5 +
 drivers/input/touchscreen/cyttsp5.c                |   7 +-
 drivers/md/dm-table.c                              |   3 +-
 drivers/net/can/m_can/m_can.c                      |   2 +-
 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c     |  42 ++++-
 drivers/net/dsa/b53/b53_common.c                   |  36 ++--
 drivers/net/ethernet/mediatek/mtk_eth_soc.c        |  16 +-
 drivers/nvme/host/core.c                           |   3 +-
 drivers/staging/axis-fifo/axis-fifo.c              |  14 +-
 drivers/staging/iio/adc/ad7816.c                   |   2 +-
 drivers/usb/cdns3/cdnsp-gadget.c                   |  31 ++++
 drivers/usb/cdns3/cdnsp-gadget.h                   |   6 +
 drivers/usb/cdns3/cdnsp-pci.c                      |  12 +-
 drivers/usb/cdns3/cdnsp-ring.c                     |   3 +-
 drivers/usb/cdns3/core.h                           |   3 +
 drivers/usb/class/usbtmc.c                         |  59 +++---
 drivers/usb/gadget/composite.c                     |  12 +-
 drivers/usb/gadget/function/f_ecm.c                |   7 +
 drivers/usb/gadget/udc/tegra-xudc.c                |   4 +
 drivers/usb/host/uhci-platform.c                   |   2 +-
 drivers/usb/host/xhci-tegra.c                      |   3 +
 drivers/usb/typec/tcpm/tcpm.c                      |   2 +-
 drivers/usb/typec/ucsi/displayport.c               |   2 +
 drivers/xen/swiotlb-xen.c                          |   1 +
 drivers/xen/xenbus/xenbus.h                        |   2 +
 drivers/xen/xenbus/xenbus_comms.c                  |   9 +-
 drivers/xen/xenbus/xenbus_dev_frontend.c           |   2 +-
 drivers/xen/xenbus/xenbus_xs.c                     |  18 +-
 fs/namespace.c                                     |   3 +-
 fs/ocfs2/journal.c                                 |  80 ++++++---
 fs/ocfs2/journal.h                                 |   1 +
 fs/ocfs2/ocfs2.h                                   |  17 +-
 fs/ocfs2/quota_local.c                             |   9 +-
 fs/ocfs2/super.c                                   |   3 +
 fs/smb/client/cached_dir.c                         |  10 +-
 fs/smb/server/oplock.c                             |   7 +-
 fs/smb/server/smb2pdu.c                            |   5 +
 fs/smb/server/vfs.c                                |   7 +
 fs/smb/server/vfs_cache.c                          |  33 +++-
 include/linux/cpu.h                                |   2 +
 include/linux/module.h                             |   5 +
 include/linux/netdevice.h                          |  13 +-
 include/linux/types.h                              |   3 +-
 include/uapi/linux/types.h                         |   1 +
 io_uring/io_uring.c                                |  61 +++----
 kernel/params.c                                    |   4 +-
 net/can/gw.c                                       | 151 +++++++++-------
 net/core/filter.c                                  |   1 +
 net/ipv6/addrconf.c                                |  15 +-
 net/netfilter/ipset/ip_set_hash_gen.h              |   2 +-
 net/netfilter/ipvs/ip_vs_xmit.c                    |  27 +--
 net/openvswitch/actions.c                          |   3 +-
 net/sched/sch_htb.c                                |  15 +-
 net/wireless/scan.c                                |   2 +-
 113 files changed, 1733 insertions(+), 529 deletions(-)

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