Bionic update: upstream stable patchset 2020-05-07

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 2020-05-07

                Ported from the following upstream stable releases:
                        v4.14.178, v4.19.119

       from git://git.kernel.org/

ext4: fix extent_status fragmentation for plain files
net: ipv4: avoid unused variable warning for sysctl
drm/msm: Use the correct dma_sync calls harder
crypto: mxs-dcp - make symbols 'sha1_null_hash' and 'sha256_null_hash' static
vti4: removed duplicate log message.
watchdog: reset last_hw_keepalive time at start
scsi: lpfc: Fix kasan slab-out-of-bounds error in lpfc_unreg_login
ceph: return ceph_mdsc_do_request() errors from __get_parent()
ceph: don't skip updating wanted caps when cap is stale
pwm: rcar: Fix late Runtime PM enablement
scsi: iscsi: Report unbind session event when the target has been removed
ASoC: Intel: atom: Take the drv->lock mutex before calling sst_send_slot_map()
kernel/gcov/fs.c: gcov_seq_next() should increase position index
selftests: kmod: fix handling test numbers above 9
ipc/util.c: sysvipc_find_ipc() should increase position index
s390/cio: avoid duplicated 'ADD' uevents
pwm: renesas-tpu: Fix late Runtime PM enablement
pwm: bcm2835: Dynamically allocate base
perf/core: Disable page faults when getting phys address
PCI/ASPM: Allow re-enabling Clock PM
mm, slub: restore the original intention of prefetch_freepointer()
cxgb4: fix large delays in PTP synchronization
ipv6: fix restrict IPV6_ADDRFORM operation
macsec: avoid to set wrong mtu
macvlan: fix null dereference in macvlan_device_event()
net: bcmgenet: correct per TX/RX ring statistics
net: netrom: Fix potential nr_neigh refcnt leak in nr_add_node
net/x25: Fix x25_neigh refcnt leak when receiving frame
tcp: cache line align MAX_TCP_HEADER
team: fix hang in team_mode_get()
net: dsa: b53: Fix ARL register definitions
xfrm: Always set XFRM_TRANSFORMED in xfrm{4,6}_output_finish
vrf: Check skb for XFRM_TRANSFORMED flag
KEYS: Avoid false positive ENOMEM error on key read
ALSA: hda: Remove ASUS ROG Zenith from the blacklist
iio: adc: stm32-adc: fix sleep in atomic context
iio: xilinx-xadc: Fix ADC-B powerdown
iio: xilinx-xadc: Fix clearing interrupt when enabling trigger
iio: xilinx-xadc: Fix sequencer configuration for aux channels in simultaneous mode
fs/namespace.c: fix mountpoint reference counter race
USB: sisusbvga: Change port variable from signed to unsigned
USB: Add USB_QUIRK_DELAY_CTRL_MSG and USB_QUIRK_DELAY_INIT for Corsair K70 RGB RAPIDFIRE
USB: early: Handle AMD's spec-compliant identifiers, too
USB: core: Fix free-while-in-use bug in the USB S-Glibrary
USB: hub: Fix handling of connect changes during sleep
overflow.h: Add arithmetic shift helper
vmalloc: fix remap_vmalloc_range() bounds checks
mm/hugetlb: fix a addressing exception caused by huge_pte_offset
mm/ksm: fix NULL pointer dereference when KSM zero page is enabled
tools/vm: fix cross-compile build
ALSA: usx2y: Fix potential NULL dereference
ALSA: hda/realtek - Add new codec supported for ALC245
ALSA: usb-audio: Fix usb audio refcnt leak when getting spdif
ALSA: usb-audio: Filter out unsupported sample rates on Focusrite devices
tpm/tpm_tis: Free IRQ if probing fails
tpm: ibmvtpm: retry on H_CLOSED in tpm_ibmvtpm_send()
KVM: Check validity of resolved slot when searching memslots
KVM: VMX: Enable machine check support for 32bit targets
tty: hvc: fix buffer overflow during hvc_alloc().
tty: rocket, avoid OOB access
usb-storage: Add unusual_devs entry for JMicron JMS566
audit: check the length of userspace generated audit records
ASoC: dapm: fixup dapm kcontrol widget
iwlwifi: pcie: actually release queue memory in TVQM
ARM: imx: provide v7_cpu_resume() only on ARM_CPU_SUSPEND=y
powerpc/setup_64: Set cache-line-size based on cache-block-size
staging: comedi: dt2815: fix writing hi byte of analog output
staging: comedi: Fix comedi_device refcnt leak in comedi_open
vt: don't hardcode the mem allocation upper bound
staging: vt6656: Don't set RCR_MULTICAST or RCR_BROADCAST by default.
staging: vt6656: Fix calling conditions of vnt_set_bss_mode
staging: vt6656: Fix drivers TBTT timing counter.
staging: vt6656: Fix pairwise key entry save.
staging: vt6656: Power save stop wake_up_count wrap around.
cdc-acm: close race betrween suspend() and acm_softint
cdc-acm: introduce a cool down
UAS: no use logging any details in case of ENODEV
UAS: fix deadlock in error handling and PM flushing work
usb: f_fs: Clear OS Extended descriptor counts to zero in ffs_data_reset()
serial: sh-sci: Make sure status register SCxSR is read in correct sequence
xfs: Fix deadlock between AGI and AGF with RENAME_WHITEOUT
remoteproc: Fix wrong rvring index computation
mtd: cfi: fix deadloop in cfi_cmdset_0002.c do_write_buffer
include/uapi/linux/swab.h: fix userspace breakage, use __BITS_PER_LONG for swap
binder: take read mode of mmap_sem in binder_alloc_free_page()
usb: dwc3: gadget: Do link recovery for SS and SSP
usb: gadget: udc: bdc: Remove unnecessary NULL checks in bdc_req_complete
iio:ad7797: Use correct attribute_group
nfsd: memory corruption in nfsd4_lock()
i2c: altera: use proper variable to hold errno
net/cxgb4: Check the return from t4_query_params properly
ARM: dts: bcm283x: Disable dsi0 node
perf/core: fix parent pid/tid in task exit events
mm: shmem: disable interrupt when acquiring info->lock in userfaultfd_copy path
bpf, x86: Fix encoding for lower 8-bit registers in BPF_STX BPF_B
x86: hyperv: report value of misc_features
xfs: fix partially uninitialized structure in xfs_reflink_remap_extent
scsi: target: fix PR IN / READ FULL STATUS for FC
objtool: Fix CONFIG_UBSAN_TRAP unreachable warnings
objtool: Support Clang non-section symbols in ORC dump
xen/xenbus: ensure xenbus_map_ring_valloc() returns proper grant status
arm64: Delete the space separator in __emit_inst
ext4: use matching invalidatepage in ext4_writepage
ext4: increase wait time needed before reuse of deleted inode numbers
ext4: convert BUG_ON's to WARN_ON's in mballoc.c
hwmon: (jc42) Fix name to have no illegal characters
qed: Fix use after free in qed_chain_free
ext4: check for non-zero journal inum in ext4_calculate_overhead
propagate_one(): mnt_set_mountpoint() needs mount_lock
kconfig: qconf: Fix a few alignment issues
loop: Better discard support for block devices
drm/amd/display: Not doing optimize bandwidth if flip pending.
virtio-blk: improve virtqueue error to BLK_STS
scsi: smartpqi: fix call trace in device discovery
net: ipv6: add net argument to ip6_dst_lookup_flow
net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
f2fs: fix to avoid memory leakage in f2fs_listxattr
KVM: VMX: Zero out *all* general purpose registers after VM-Exit
KVM: Introduce a new guest mapping API
kvm: fix compilation on aarch64
kvm: fix compilation on s390
kvm: fix compile on s390 part 2
KVM: Properly check if "page" is valid in kvm_vcpu_unmap
x86/kvm: Introduce kvm_(un)map_gfn()
x86/kvm: Cache gfn to pfn translation
vrf: Fix IPv6 with qdisc and xfrm
net: dsa: b53: Lookup VID in ARL searches when VLAN is enabled
net: dsa: b53: Rework ARL bin logic
net: dsa: b53: b53_arl_rw_op() needs to select IVL or SVL
mlxsw: Fix some IS_ERR() vs NULL bugs
iio: core: remove extra semi-colon from devm_iio_device_register() macro
iio: st_sensors: rely on odr mask to know if odr can be set
iio: xilinx-xadc: Make sure not exceed maximum samplerate
iwlwifi: mvm: beacon statistics shouldn't go backwards
xhci: prevent bus suspend if a roothub port detected a over-current condition
UBUNTU: upstream stable to v4.14.178, v4.19.119