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:
4.4.215 upstream stable release
from git://git.kernel.org/
Linux 4.4.215
xen: Enable interrupts when calling _cond_resched()
ALSA: seq: Fix concurrent access to queue current tick/time
ALSA: seq: Avoid concurrent access to queue flags
ALSA: rawmidi: Avoid bit fields for state flags
ecryptfs: replace BUG_ON with error handling code
scsi: Revert "target: iscsi: Wait for all commands to finish before freeing a
session"
scsi: Revert "RDMA/isert: Fix a recently introduced regression related to
logout"
Btrfs: fix btrfs_wait_ordered_range() so that it waits for all ordered extents
KVM: apic: avoid calculating pending eoi from an uninitialized val
KVM: nVMX: Check IO instruction VM-exit conditions
KVM: nVMX: Refactor IO bitmap checks into helper function
ext4: add cond_resched() to __ext4_find_entry()
ext4: fix a data race in EXT4_I(inode)->i_disksize
netfilter: xt_bpf: add overflow checks
KVM: nVMX: Don't emulate instructions in guest mode
vt: vt_ioctl: fix race in VT_RESIZEX
VT_RESIZEX: get rid of field-by-field copyin
xhci: apply XHCI_PME_STUCK_QUIRK to Intel Comet Lake platforms
Revert "ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem()"
tty: serial: imx: setup the correct sg entry for tx dma
x86/mce/amd: Fix kobject lifetime
staging: rtl8188eu: Fix potential overuse of kernel memory
staging: rtl8188eu: Fix potential security hole
USB: hub: Don't record a connect-change event during reset-resume
USB: Fix novation SourceControl XL after suspend
usb: uas: fix a plug & unplug racing
staging: vt6656: fix sign of rx_dbm to bb_pre_ed_rssi.
staging: android: ashmem: Disallow ashmem memory from being remapped
floppy: check FDC index for errors before assigning it
enic: prevent waking up stopped tx queues over watchdog reset
selinux: ensure we cleanup the internal AVC counters on error in avc_update()
brd: check and limit max_part par
microblaze: Prevent the overflow of the start
irqchip/gic-v3-its: Reference to its_invall_cmd descriptor when building INVALL
bcache: explicity type cast in bset_bkey_last()
reiserfs: prevent NULL pointer dereference in reiserfs_insert_item()
lib/scatterlist.c: adjust indentation in __sg_alloc_table
ocfs2: fix a NULL pointer dereference when call ocfs2_update_inode_fsync_trans()
radeon: insert 10ms sleep in dce5_crtc_load_lut
trigger_next should increase position index
drm/nouveau/disp/nv50-: prevent oops when no channel method map provided
iwlegacy: ensure loop counter addr does not wrap and cause an infinite loop
hostap: Adjust indentation in prism2_hostapd_add_sta
ARM: 8951/1: Fix Kexec compilation issue.
jbd2: switch to use jbd2_journal_abort() when failed to submit the commit record
ALSA: hda - Add docking station support for Lenovo Thinkpad T420s
s390/ftrace: generate traced function stack frame
remoteproc: Initialize rproc_class before use
ide: serverworks: potential overflow in svwks_set_pio_mode()
cmd64x: potential buffer overflow in cmd64x_program_timings()
scsi: iscsi: Don't destroy session if there are outstanding connections
iommu/arm-smmu-v3: Use WRITE_ONCE() when changing validity of an STE
drm/vmwgfx: prevent memory leak in vmw_cmdbuf_res_add
drm/nouveau: Fix copy-paste error in nouveau_fence_wait_uevent_handler
driver core: Print device when resources present in really_probe()
PCI: Don't disable bridge BARs when assigning bus resources
ASoC: atmel: fix build error with CONFIG_SND_ATMEL_SOC_DMA=m
wan: ixp4xx_hss: fix compile-testing on 64-bit
Input: edt-ft5x06 - work around first register access error
rcu: Use WRITE_ONCE() for assignments to ->pprev for hlist_nulls
soc/tegra: fuse: Correct straps' address for older Tegra124 device trees
usbip: Fix unsafe unaligned pointer usage
tools lib api fs: Fix gcc9 stringop-truncation compilation error
ALSA: sh: Fix compile warning wrt const
pinctrl: sh-pfc: sh7269: Fix CAN function GPIOs
x86/vdso: Provide missing include file
ARM: dts: r8a7779: Add device node for ARM global timer
scsi: aic7xxx: Adjust indentation in ahc_find_syncrate
ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1
orinoco: avoid assertion in case of NULL pointer
rtlwifi: rtl_pci: Fix -Wcast-function-type
iwlegacy: Fix -Wcast-function-type
ipw2x00: Fix -Wcast-function-type
b43legacy: Fix -Wcast-function-type
ALSA: usx2y: Adjust indentation in snd_usX2Y_hwdep_dsp_status
reiserfs: Fix spurious unlock in reiserfs_fill_super() error handling
NFC: port100: Convert cpu_to_le16(le16_to_cpu(E1) + E2) to use le16_add_cpu().
regulator: rk808: Lower log level on optional GPIOs being not available
drm/amdgpu: remove 4 set but not used variable in
amdgpu_atombios_get_connector_info_from_object_table
clk: qcom: rcg2: Don't crash if our parent can't be found; return an error
kconfig: fix broken dependency in randconfig-generated .config
ext4, jbd2: ensure panic when aborting with zero errno
tracing: Fix very unlikely race of registering two stat tracers
jbd2: clear JBD2_ABORT flag before journal_reset to update log tail info when
load journal
nfs: NFS_SWAP should depend on SWAP
usb: gadget: udc: fix possible sleep-in-atomic-context bugs in gr_probe()
uio: fix a sleep-in-atomic-context bug in uio_dmem_genirq_irqcontrol()
MIPS: Loongson: Fix potential NULL dereference in loongson3_platform_init()
efi/x86: Map the entire EFI vendor string before copying it
media: sti: bdisp: fix a possible sleep-in-atomic-context bug in
bdisp_device_run()
media: i2c: mt9v032: fix enum mbus codes and frame sizes
pinctrl: sh-pfc: sh7264: Fix CAN function GPIOs
gianfar: Fix TX timestamping with a stacked DSA driver
brcmfmac: Fix use after free in brcmf_sdio_readframes()
drm/gma500: Fixup fbdev stolen size usage evaluation
Revert "KVM: VMX: Add non-canonical check on writes to RTIT address MSRs"
scsi: qla2xxx: fix a potential NULL pointer dereference
btrfs: print message when tree-log replay starts
jbd2: do not clear the BH_Mapped flag when forgetting a metadata buffer
jbd2: move the clearing of b_modified flag to the journal_unmap_buffer()
hwmon: (pmbus/ltc2978) Fix PMBus polling of MFR_COMMON definitions.
s390/time: Fix clk type in get_tod_clock
padata: Remove broken queue flushing
btrfs: log message when rw remount is attempted with unclean tree-log
Btrfs: fix race between using extent maps and merging them
ext4: fix checksum errors with indexed dirs
ubifs: Fix deadlock in concurrent bulk-read and writepage
ALSA: usb-audio: Apply sample rate quirk for Audioengine D1
ecryptfs: fix a memory leak bug in ecryptfs_init_messaging()
ecryptfs: fix a memory leak bug in parse_tag_1_packet()
ALSA: hda: Use scnprintf() for printing texts for sysfs/procfs
KVM: x86: emulate RDPID
x86/vdso: Use RDPID in preference to LSL when available
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Tags: kernel-stable-tracking-bug
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Tags added: kernel-stable-tracking-bug
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1868627
Title:
Xenial update: 4.4.215 upstream stable release
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Xenial:
New
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:
4.4.215 upstream stable release
from git://git.kernel.org/
Linux 4.4.215
xen: Enable interrupts when calling _cond_resched()
ALSA: seq: Fix concurrent access to queue current tick/time
ALSA: seq: Avoid concurrent access to queue flags
ALSA: rawmidi: Avoid bit fields for state flags
ecryptfs: replace BUG_ON with error handling code
scsi: Revert "target: iscsi: Wait for all commands to finish before freeing a
session"
scsi: Revert "RDMA/isert: Fix a recently introduced regression related to
logout"
Btrfs: fix btrfs_wait_ordered_range() so that it waits for all ordered extents
KVM: apic: avoid calculating pending eoi from an uninitialized val
KVM: nVMX: Check IO instruction VM-exit conditions
KVM: nVMX: Refactor IO bitmap checks into helper function
ext4: add cond_resched() to __ext4_find_entry()
ext4: fix a data race in EXT4_I(inode)->i_disksize
netfilter: xt_bpf: add overflow checks
KVM: nVMX: Don't emulate instructions in guest mode
vt: vt_ioctl: fix race in VT_RESIZEX
VT_RESIZEX: get rid of field-by-field copyin
xhci: apply XHCI_PME_STUCK_QUIRK to Intel Comet Lake platforms
Revert "ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem()"
tty: serial: imx: setup the correct sg entry for tx dma
x86/mce/amd: Fix kobject lifetime
staging: rtl8188eu: Fix potential overuse of kernel memory
staging: rtl8188eu: Fix potential security hole
USB: hub: Don't record a connect-change event during reset-resume
USB: Fix novation SourceControl XL after suspend
usb: uas: fix a plug & unplug racing
staging: vt6656: fix sign of rx_dbm to bb_pre_ed_rssi.
staging: android: ashmem: Disallow ashmem memory from being remapped
floppy: check FDC index for errors before assigning it
enic: prevent waking up stopped tx queues over watchdog reset
selinux: ensure we cleanup the internal AVC counters on error in avc_update()
brd: check and limit max_part par
microblaze: Prevent the overflow of the start
irqchip/gic-v3-its: Reference to its_invall_cmd descriptor when building
INVALL
bcache: explicity type cast in bset_bkey_last()
reiserfs: prevent NULL pointer dereference in reiserfs_insert_item()
lib/scatterlist.c: adjust indentation in __sg_alloc_table
ocfs2: fix a NULL pointer dereference when call
ocfs2_update_inode_fsync_trans()
radeon: insert 10ms sleep in dce5_crtc_load_lut
trigger_next should increase position index
drm/nouveau/disp/nv50-: prevent oops when no channel method map provided
iwlegacy: ensure loop counter addr does not wrap and cause an infinite loop
hostap: Adjust indentation in prism2_hostapd_add_sta
ARM: 8951/1: Fix Kexec compilation issue.
jbd2: switch to use jbd2_journal_abort() when failed to submit the commit
record
ALSA: hda - Add docking station support for Lenovo Thinkpad T420s
s390/ftrace: generate traced function stack frame
remoteproc: Initialize rproc_class before use
ide: serverworks: potential overflow in svwks_set_pio_mode()
cmd64x: potential buffer overflow in cmd64x_program_timings()
scsi: iscsi: Don't destroy session if there are outstanding connections
iommu/arm-smmu-v3: Use WRITE_ONCE() when changing validity of an STE
drm/vmwgfx: prevent memory leak in vmw_cmdbuf_res_add
drm/nouveau: Fix copy-paste error in nouveau_fence_wait_uevent_handler
driver core: Print device when resources present in really_probe()
PCI: Don't disable bridge BARs when assigning bus resources
ASoC: atmel: fix build error with CONFIG_SND_ATMEL_SOC_DMA=m
wan: ixp4xx_hss: fix compile-testing on 64-bit
Input: edt-ft5x06 - work around first register access error
rcu: Use WRITE_ONCE() for assignments to ->pprev for hlist_nulls
soc/tegra: fuse: Correct straps' address for older Tegra124 device trees
usbip: Fix unsafe unaligned pointer usage
tools lib api fs: Fix gcc9 stringop-truncation compilation error
ALSA: sh: Fix compile warning wrt const
pinctrl: sh-pfc: sh7269: Fix CAN function GPIOs
x86/vdso: Provide missing include file
ARM: dts: r8a7779: Add device node for ARM global timer
scsi: aic7xxx: Adjust indentation in ahc_find_syncrate
ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1
orinoco: avoid assertion in case of NULL pointer
rtlwifi: rtl_pci: Fix -Wcast-function-type
iwlegacy: Fix -Wcast-function-type
ipw2x00: Fix -Wcast-function-type
b43legacy: Fix -Wcast-function-type
ALSA: usx2y: Adjust indentation in snd_usX2Y_hwdep_dsp_status
reiserfs: Fix spurious unlock in reiserfs_fill_super() error handling
NFC: port100: Convert cpu_to_le16(le16_to_cpu(E1) + E2) to use le16_add_cpu().
regulator: rk808: Lower log level on optional GPIOs being not available
drm/amdgpu: remove 4 set but not used variable in
amdgpu_atombios_get_connector_info_from_object_table
clk: qcom: rcg2: Don't crash if our parent can't be found; return an error
kconfig: fix broken dependency in randconfig-generated .config
ext4, jbd2: ensure panic when aborting with zero errno
tracing: Fix very unlikely race of registering two stat tracers
jbd2: clear JBD2_ABORT flag before journal_reset to update log tail info when
load journal
nfs: NFS_SWAP should depend on SWAP
usb: gadget: udc: fix possible sleep-in-atomic-context bugs in gr_probe()
uio: fix a sleep-in-atomic-context bug in uio_dmem_genirq_irqcontrol()
MIPS: Loongson: Fix potential NULL dereference in loongson3_platform_init()
efi/x86: Map the entire EFI vendor string before copying it
media: sti: bdisp: fix a possible sleep-in-atomic-context bug in
bdisp_device_run()
media: i2c: mt9v032: fix enum mbus codes and frame sizes
pinctrl: sh-pfc: sh7264: Fix CAN function GPIOs
gianfar: Fix TX timestamping with a stacked DSA driver
brcmfmac: Fix use after free in brcmf_sdio_readframes()
drm/gma500: Fixup fbdev stolen size usage evaluation
Revert "KVM: VMX: Add non-canonical check on writes to RTIT address MSRs"
scsi: qla2xxx: fix a potential NULL pointer dereference
btrfs: print message when tree-log replay starts
jbd2: do not clear the BH_Mapped flag when forgetting a metadata buffer
jbd2: move the clearing of b_modified flag to the journal_unmap_buffer()
hwmon: (pmbus/ltc2978) Fix PMBus polling of MFR_COMMON definitions.
s390/time: Fix clk type in get_tod_clock
padata: Remove broken queue flushing
btrfs: log message when rw remount is attempted with unclean tree-log
Btrfs: fix race between using extent maps and merging them
ext4: fix checksum errors with indexed dirs
ubifs: Fix deadlock in concurrent bulk-read and writepage
ALSA: usb-audio: Apply sample rate quirk for Audioengine D1
ecryptfs: fix a memory leak bug in ecryptfs_init_messaging()
ecryptfs: fix a memory leak bug in parse_tag_1_packet()
ALSA: hda: Use scnprintf() for printing texts for sysfs/procfs
KVM: x86: emulate RDPID
x86/vdso: Use RDPID in preference to LSL when available
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