Public bug reported:
SRU Justification
Impact:
The upstream process for stable tree updates is quite similar
in scope to the Ubuntu SRU process, e.g., each patch has to
demonstrably fix a bug, and each patch is vetted by upstream
by originating either directly from a mainline/stable Linux tree or
a minimally backported form of that patch. The following upstream
stable patches should be included in the Ubuntu kernel:
upstream stable patchset 2025-09-26
Ported from the following upstream stable releases:
v6.12.41, v6.15.9
from git://git.kernel.org/
x86/traps: Initialize DR7 by writing its architectural reset value
Input: gpio-keys - fix a sleep while atomic with PREEMPT_RT
virtio_net: Enforce minimum TX ring size for reliability
virtio_ring: Fix error reporting in virtqueue_resize
regulator: core: fix NULL dereference on unbind due to stale coupling data
platform/x86: asus-nb-wmi: add DMI quirk for ASUS Zenbook Duo UX8406CA
RDMA/core: Rate limit GID cache warning messages
interconnect: qcom: sc7280: Add missing num_links to xm_pcie3_1 node
iio: adc: ad7949: use spi_is_bpw_supported()
regmap: fix potential memory leak of regmap_bus
platform/mellanox: mlxbf-pmc: Remove newline char from event name input
platform/mellanox: mlxbf-pmc: Validate event/enable input
platform/mellanox: mlxbf-pmc: Use kstrtobool() to check 0/1 input
tools/hv: fcopy: Fix incorrect file path conversion
x86/hyperv: Fix usage of cpu_online_mask to get valid cpu
platform/x86: Fix initialization order for firmware_attributes_class
staging: vchiq_arm: Make vchiq_shutdown never fail
xfrm: state: initialize state_ptrs earlier in xfrm_state_find
xfrm: state: use a consistent pcpu_id in xfrm_state_find
xfrm: Set transport header to fix UDP GRO handling
ASoC: mediatek: mt8365-dai-i2s: pass correct size to mt8365_dai_set_priv
net: ti: icssg-prueth: Fix buffer allocation for ICSSG
net/mlx5: Fix memory leak in cmd_exec()
net/mlx5: E-Switch, Fix peer miss rules to use peer eswitch
i40e: report VF tx_dropped with tx_errors instead of tx_discards
i40e: When removing VF MAC filters, only check PF-set MAC
net: appletalk: Fix use-after-free in AARP proxy probe
can: netlink: can_changelink(): fix NULL pointer deref of struct
can_priv::do_set_mode
ALSA: hda/realtek: Fix mute LED mask on HP OMEN 16 laptop
selftests: drv-net: wait for iperf client to stop sending
s390/ism: fix concurrency management in ism_cmd()
net: hns3: fix concurrent setting vlan filter issue
net: hns3: disable interrupt when ptp init failed
net: hns3: fixed vf get max channels bug
net: hns3: default enable tx bounce buffer when smmu enabled
platform/x86: ideapad-laptop: Fix FnLock not remembered among boots
platform/x86: ideapad-laptop: Fix kbd backlight not remembered among boots
drm/amdgpu: Reset the clear flag in buddy during resume
drm/sched: Remove optimization that causes hang when killing dependent jobs
mm/ksm: fix -Wsometimes-uninitialized from clang-21 in advisor_mode_show()
ARM: 9450/1: Fix allowing linker DCE with binutils < 2.36
timekeeping: Zero initialize system_counterval when querying time from phc
drivers
i2c: qup: jump out of the loop in case of timeout
i2c: tegra: Fix reset error handling with ACPI
i2c: virtio: Avoid hang by using interruptible completion wait
bus: fsl-mc: Fix potential double device reference in fsl_mc_get_endpoint()
sprintf.h requires stdarg.h
ALSA: hda/realtek - Add mute LED support for HP Pavilion 15-eg0xxx
ALSA: hda/realtek - Add mute LED support for HP Victus 15-fa0xxx
arm64/entry: Mask DAIF in cpu_switch_to(), call_on_irq_stack()
dpaa2-eth: Fix device reference count leak in MAC endpoint handling
dpaa2-switch: Fix device reference count leak in MAC endpoint handling
e1000e: disregard NVM checksum on tgp when valid checksum bit is not set
e1000e: ignore uninitialized checksum word on tgp
gve: Fix stuck TX queue for DQ queue format
ice: Fix a null pointer dereference in ice_copy_and_init_pkg()
kasan: use vmalloc_dump_obj() for vmalloc error reports
nilfs2: reject invalid file types when reading inodes
resource: fix false warning in __request_region()
selftests: mptcp: connect: also cover alt modes
selftests: mptcp: connect: also cover checksum
mm/vmscan: fix hwpoisoned large folio handling in shrink_folio_list
mm/zsmalloc: do not pass __GFP_MOVABLE if CONFIG_COMPACTION=n
selftests/bpf: Add tests with stack ptr register in conditional jmp
usb: typec: tcpm: allow to use sink in accessory mode
usb: typec: tcpm: allow switching to mode accessory to mux properly
usb: typec: tcpm: apply vbus before data bringup in tcpm_src_attach
spi: cadence-quadspi: fix cleanup of rx_chan on failure paths
comedi: comedi_test: Fix possible deletion of uninitialized timers
erofs: use Z_EROFS_LCLUSTER_TYPE_MAX to simplify switches
erofs: simplify tail inline pcluster handling
erofs: clean up header parsing for ztailpacking and fragments
erofs: fix large fragment handling
ext4: don't explicit update times in ext4_fallocate()
ext4: refactor ext4_punch_hole()
ext4: refactor ext4_zero_range()
ext4: refactor ext4_collapse_range()
ext4: refactor ext4_insert_range()
ext4: factor out ext4_do_fallocate()
ext4: move out inode_lock into ext4_fallocate()
ext4: move out common parts into ext4_fallocate()
ext4: fix incorrect punch max_end
ext4: correct the error handle in ext4_fallocate()
ext4: fix out of bounds punch offset
ARM: 9448/1: Use an absolute path to unified.h in KBUILD_AFLAGS
Drivers: hv: Make the sysfs node size for the ring buffer dynamic
ALSA: hda/tegra: Add Tegra264 support
ALSA: hda: Add missing NVIDIA HDA codec IDs
drm/amd/display: Don't allow OLED to go down to fully off
interconnect: icc-clk: destroy nodes in case of memory allocation failures
xfrm: always initialize offload path
drm/i915/dp: Fix 2.7 Gbps DP_LINK_BW value on g4x
drm/xe: Make WA BB part of LRC BO
UBUNTU: Upstream stable to v6.12.41, v6.15.9
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Plucky)
Importance: Medium
Assignee: Noah Wager (nwager)
Status: In Progress
** Tags: kernel-stable-tracking-bug
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Tags added: kernel-stable-tracking-bug
** Also affects: linux (Ubuntu Plucky)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
** Changed in: linux (Ubuntu Plucky)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Plucky)
Status: New => In Progress
** Changed in: linux (Ubuntu Plucky)
Assignee: (unassigned) => Noah Wager (nwager)
** Description changed:
SRU Justification
Impact:
The upstream process for stable tree updates is quite similar
in scope to the Ubuntu SRU process, e.g., each patch has to
demonstrably fix a bug, and each patch is vetted by upstream
by originating either directly from a mainline/stable Linux tree or
a minimally backported form of that patch. The following upstream
stable patches should be included in the Ubuntu kernel:
upstream stable patchset 2025-09-26
+
+ Ported from the following upstream stable releases:
+ v6.12.41, v6.15.9
+
from git://git.kernel.org/
+
+ x86/traps: Initialize DR7 by writing its architectural reset value
+ Input: gpio-keys - fix a sleep while atomic with PREEMPT_RT
+ virtio_net: Enforce minimum TX ring size for reliability
+ virtio_ring: Fix error reporting in virtqueue_resize
+ regulator: core: fix NULL dereference on unbind due to stale coupling data
+ platform/x86: asus-nb-wmi: add DMI quirk for ASUS Zenbook Duo UX8406CA
+ RDMA/core: Rate limit GID cache warning messages
+ interconnect: qcom: sc7280: Add missing num_links to xm_pcie3_1 node
+ iio: adc: ad7949: use spi_is_bpw_supported()
+ regmap: fix potential memory leak of regmap_bus
+ platform/mellanox: mlxbf-pmc: Remove newline char from event name input
+ platform/mellanox: mlxbf-pmc: Validate event/enable input
+ platform/mellanox: mlxbf-pmc: Use kstrtobool() to check 0/1 input
+ tools/hv: fcopy: Fix incorrect file path conversion
+ x86/hyperv: Fix usage of cpu_online_mask to get valid cpu
+ platform/x86: Fix initialization order for firmware_attributes_class
+ staging: vchiq_arm: Make vchiq_shutdown never fail
+ xfrm: state: initialize state_ptrs earlier in xfrm_state_find
+ xfrm: state: use a consistent pcpu_id in xfrm_state_find
+ xfrm: Set transport header to fix UDP GRO handling
+ ASoC: mediatek: mt8365-dai-i2s: pass correct size to mt8365_dai_set_priv
+ net: ti: icssg-prueth: Fix buffer allocation for ICSSG
+ net/mlx5: Fix memory leak in cmd_exec()
+ net/mlx5: E-Switch, Fix peer miss rules to use peer eswitch
+ i40e: report VF tx_dropped with tx_errors instead of tx_discards
+ i40e: When removing VF MAC filters, only check PF-set MAC
+ net: appletalk: Fix use-after-free in AARP proxy probe
+ can: netlink: can_changelink(): fix NULL pointer deref of struct
can_priv::do_set_mode
+ ALSA: hda/realtek: Fix mute LED mask on HP OMEN 16 laptop
+ selftests: drv-net: wait for iperf client to stop sending
+ s390/ism: fix concurrency management in ism_cmd()
+ net: hns3: fix concurrent setting vlan filter issue
+ net: hns3: disable interrupt when ptp init failed
+ net: hns3: fixed vf get max channels bug
+ net: hns3: default enable tx bounce buffer when smmu enabled
+ platform/x86: ideapad-laptop: Fix FnLock not remembered among boots
+ platform/x86: ideapad-laptop: Fix kbd backlight not remembered among boots
+ drm/amdgpu: Reset the clear flag in buddy during resume
+ drm/sched: Remove optimization that causes hang when killing dependent jobs
+ mm/ksm: fix -Wsometimes-uninitialized from clang-21 in advisor_mode_show()
+ ARM: 9450/1: Fix allowing linker DCE with binutils < 2.36
+ timekeeping: Zero initialize system_counterval when querying time from phc
drivers
+ i2c: qup: jump out of the loop in case of timeout
+ i2c: tegra: Fix reset error handling with ACPI
+ i2c: virtio: Avoid hang by using interruptible completion wait
+ bus: fsl-mc: Fix potential double device reference in fsl_mc_get_endpoint()
+ sprintf.h requires stdarg.h
+ ALSA: hda/realtek - Add mute LED support for HP Pavilion 15-eg0xxx
+ ALSA: hda/realtek - Add mute LED support for HP Victus 15-fa0xxx
+ arm64/entry: Mask DAIF in cpu_switch_to(), call_on_irq_stack()
+ dpaa2-eth: Fix device reference count leak in MAC endpoint handling
+ dpaa2-switch: Fix device reference count leak in MAC endpoint handling
+ e1000e: disregard NVM checksum on tgp when valid checksum bit is not set
+ e1000e: ignore uninitialized checksum word on tgp
+ gve: Fix stuck TX queue for DQ queue format
+ ice: Fix a null pointer dereference in ice_copy_and_init_pkg()
+ kasan: use vmalloc_dump_obj() for vmalloc error reports
+ nilfs2: reject invalid file types when reading inodes
+ resource: fix false warning in __request_region()
+ selftests: mptcp: connect: also cover alt modes
+ selftests: mptcp: connect: also cover checksum
+ mm/vmscan: fix hwpoisoned large folio handling in shrink_folio_list
+ mm/zsmalloc: do not pass __GFP_MOVABLE if CONFIG_COMPACTION=n
+ selftests/bpf: Add tests with stack ptr register in conditional jmp
+ usb: typec: tcpm: allow to use sink in accessory mode
+ usb: typec: tcpm: allow switching to mode accessory to mux properly
+ usb: typec: tcpm: apply vbus before data bringup in tcpm_src_attach
+ spi: cadence-quadspi: fix cleanup of rx_chan on failure paths
+ comedi: comedi_test: Fix possible deletion of uninitialized timers
+ erofs: use Z_EROFS_LCLUSTER_TYPE_MAX to simplify switches
+ erofs: simplify tail inline pcluster handling
+ erofs: clean up header parsing for ztailpacking and fragments
+ erofs: fix large fragment handling
+ ext4: don't explicit update times in ext4_fallocate()
+ ext4: refactor ext4_punch_hole()
+ ext4: refactor ext4_zero_range()
+ ext4: refactor ext4_collapse_range()
+ ext4: refactor ext4_insert_range()
+ ext4: factor out ext4_do_fallocate()
+ ext4: move out inode_lock into ext4_fallocate()
+ ext4: move out common parts into ext4_fallocate()
+ ext4: fix incorrect punch max_end
+ ext4: correct the error handle in ext4_fallocate()
+ ext4: fix out of bounds punch offset
+ ARM: 9448/1: Use an absolute path to unified.h in KBUILD_AFLAGS
+ Drivers: hv: Make the sysfs node size for the ring buffer dynamic
+ ALSA: hda/tegra: Add Tegra264 support
+ ALSA: hda: Add missing NVIDIA HDA codec IDs
+ drm/amd/display: Don't allow OLED to go down to fully off
+ interconnect: icc-clk: destroy nodes in case of memory allocation failures
+ xfrm: always initialize offload path
+ drm/i915/dp: Fix 2.7 Gbps DP_LINK_BW value on g4x
+ drm/xe: Make WA BB part of LRC BO
+ UBUNTU: Upstream stable to v6.12.41, v6.15.9
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https://bugs.launchpad.net/bugs/2125820
Title:
Plucky update: upstream stable patchset 2025-09-26
Status in linux package in Ubuntu:
Invalid
Status in linux source package in Plucky:
In Progress
Bug description:
SRU Justification
Impact:
The upstream process for stable tree updates is quite similar
in scope to the Ubuntu SRU process, e.g., each patch has to
demonstrably fix a bug, and each patch is vetted by upstream
by originating either directly from a mainline/stable Linux tree or
a minimally backported form of that patch. The following upstream
stable patches should be included in the Ubuntu kernel:
upstream stable patchset 2025-09-26
Ported from the following upstream stable releases:
v6.12.41, v6.15.9
from git://git.kernel.org/
x86/traps: Initialize DR7 by writing its architectural reset value
Input: gpio-keys - fix a sleep while atomic with PREEMPT_RT
virtio_net: Enforce minimum TX ring size for reliability
virtio_ring: Fix error reporting in virtqueue_resize
regulator: core: fix NULL dereference on unbind due to stale coupling data
platform/x86: asus-nb-wmi: add DMI quirk for ASUS Zenbook Duo UX8406CA
RDMA/core: Rate limit GID cache warning messages
interconnect: qcom: sc7280: Add missing num_links to xm_pcie3_1 node
iio: adc: ad7949: use spi_is_bpw_supported()
regmap: fix potential memory leak of regmap_bus
platform/mellanox: mlxbf-pmc: Remove newline char from event name input
platform/mellanox: mlxbf-pmc: Validate event/enable input
platform/mellanox: mlxbf-pmc: Use kstrtobool() to check 0/1 input
tools/hv: fcopy: Fix incorrect file path conversion
x86/hyperv: Fix usage of cpu_online_mask to get valid cpu
platform/x86: Fix initialization order for firmware_attributes_class
staging: vchiq_arm: Make vchiq_shutdown never fail
xfrm: state: initialize state_ptrs earlier in xfrm_state_find
xfrm: state: use a consistent pcpu_id in xfrm_state_find
xfrm: Set transport header to fix UDP GRO handling
ASoC: mediatek: mt8365-dai-i2s: pass correct size to mt8365_dai_set_priv
net: ti: icssg-prueth: Fix buffer allocation for ICSSG
net/mlx5: Fix memory leak in cmd_exec()
net/mlx5: E-Switch, Fix peer miss rules to use peer eswitch
i40e: report VF tx_dropped with tx_errors instead of tx_discards
i40e: When removing VF MAC filters, only check PF-set MAC
net: appletalk: Fix use-after-free in AARP proxy probe
can: netlink: can_changelink(): fix NULL pointer deref of struct
can_priv::do_set_mode
ALSA: hda/realtek: Fix mute LED mask on HP OMEN 16 laptop
selftests: drv-net: wait for iperf client to stop sending
s390/ism: fix concurrency management in ism_cmd()
net: hns3: fix concurrent setting vlan filter issue
net: hns3: disable interrupt when ptp init failed
net: hns3: fixed vf get max channels bug
net: hns3: default enable tx bounce buffer when smmu enabled
platform/x86: ideapad-laptop: Fix FnLock not remembered among boots
platform/x86: ideapad-laptop: Fix kbd backlight not remembered among boots
drm/amdgpu: Reset the clear flag in buddy during resume
drm/sched: Remove optimization that causes hang when killing dependent jobs
mm/ksm: fix -Wsometimes-uninitialized from clang-21 in advisor_mode_show()
ARM: 9450/1: Fix allowing linker DCE with binutils < 2.36
timekeeping: Zero initialize system_counterval when querying time from phc
drivers
i2c: qup: jump out of the loop in case of timeout
i2c: tegra: Fix reset error handling with ACPI
i2c: virtio: Avoid hang by using interruptible completion wait
bus: fsl-mc: Fix potential double device reference in fsl_mc_get_endpoint()
sprintf.h requires stdarg.h
ALSA: hda/realtek - Add mute LED support for HP Pavilion 15-eg0xxx
ALSA: hda/realtek - Add mute LED support for HP Victus 15-fa0xxx
arm64/entry: Mask DAIF in cpu_switch_to(), call_on_irq_stack()
dpaa2-eth: Fix device reference count leak in MAC endpoint handling
dpaa2-switch: Fix device reference count leak in MAC endpoint handling
e1000e: disregard NVM checksum on tgp when valid checksum bit is not set
e1000e: ignore uninitialized checksum word on tgp
gve: Fix stuck TX queue for DQ queue format
ice: Fix a null pointer dereference in ice_copy_and_init_pkg()
kasan: use vmalloc_dump_obj() for vmalloc error reports
nilfs2: reject invalid file types when reading inodes
resource: fix false warning in __request_region()
selftests: mptcp: connect: also cover alt modes
selftests: mptcp: connect: also cover checksum
mm/vmscan: fix hwpoisoned large folio handling in shrink_folio_list
mm/zsmalloc: do not pass __GFP_MOVABLE if CONFIG_COMPACTION=n
selftests/bpf: Add tests with stack ptr register in conditional jmp
usb: typec: tcpm: allow to use sink in accessory mode
usb: typec: tcpm: allow switching to mode accessory to mux properly
usb: typec: tcpm: apply vbus before data bringup in tcpm_src_attach
spi: cadence-quadspi: fix cleanup of rx_chan on failure paths
comedi: comedi_test: Fix possible deletion of uninitialized timers
erofs: use Z_EROFS_LCLUSTER_TYPE_MAX to simplify switches
erofs: simplify tail inline pcluster handling
erofs: clean up header parsing for ztailpacking and fragments
erofs: fix large fragment handling
ext4: don't explicit update times in ext4_fallocate()
ext4: refactor ext4_punch_hole()
ext4: refactor ext4_zero_range()
ext4: refactor ext4_collapse_range()
ext4: refactor ext4_insert_range()
ext4: factor out ext4_do_fallocate()
ext4: move out inode_lock into ext4_fallocate()
ext4: move out common parts into ext4_fallocate()
ext4: fix incorrect punch max_end
ext4: correct the error handle in ext4_fallocate()
ext4: fix out of bounds punch offset
ARM: 9448/1: Use an absolute path to unified.h in KBUILD_AFLAGS
Drivers: hv: Make the sysfs node size for the ring buffer dynamic
ALSA: hda/tegra: Add Tegra264 support
ALSA: hda: Add missing NVIDIA HDA codec IDs
drm/amd/display: Don't allow OLED to go down to fully off
interconnect: icc-clk: destroy nodes in case of memory allocation failures
xfrm: always initialize offload path
drm/i915/dp: Fix 2.7 Gbps DP_LINK_BW value on g4x
drm/xe: Make WA BB part of LRC BO
UBUNTU: Upstream stable to v6.12.41, v6.15.9
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