Merge 4.19.20 into android-4.19

Changes in 4.19.20
	Fix "net: ipv4: do not handle duplicate fragments as overlapping"
	drm/msm/gpu: fix building without debugfs
	ipv6: Consider sk_bound_dev_if when binding a socket to an address
	ipv6: sr: clear IP6CB(skb) on SRH ip4ip6 encapsulation
	ipvlan, l3mdev: fix broken l3s mode wrt local routes
	l2tp: copy 4 more bytes to linear part if necessary
	l2tp: fix reading optional fields of L2TPv3
	net: ip_gre: always reports o_key to userspace
	net: ip_gre: use erspan key field for tunnel lookup
	net/mlx4_core: Add masking for a few queries on HCA caps
	netrom: switch to sock timer API
	net/rose: fix NULL ax25_cb kernel panic
	net: set default network namespace in init_dummy_netdev()
	ravb: expand rx descriptor data to accommodate hw checksum
	sctp: improve the events for sctp stream reset
	tun: move the call to tun_set_real_num_queues
	ucc_geth: Reset BQL queue when stopping device
	vhost: fix OOB in get_rx_bufs()
	net: ip6_gre: always reports o_key to userspace
	sctp: improve the events for sctp stream adding
	net/mlx5e: Allow MAC invalidation while spoofchk is ON
	ip6mr: Fix notifiers call on mroute_clean_tables()
	Revert "net/mlx5e: E-Switch, Initialize eswitch only if eswitch manager"
	sctp: set chunk transport correctly when it's a new asoc
	sctp: set flow sport from saddr only when it's 0
	virtio_net: Don't enable NAPI when interface is down
	virtio_net: Don't call free_old_xmit_skbs for xdp_frames
	virtio_net: Fix not restoring real_num_rx_queues
	virtio_net: Fix out of bounds access of sq
	virtio_net: Don't process redirected XDP frames when XDP is disabled
	virtio_net: Use xdp_return_frame to free xdp_frames on destroying vqs
	virtio_net: Differentiate sk_buff and xdp_frame on freeing
	CIFS: Do not count -ENODATA as failure for query directory
	CIFS: Fix trace command logging for SMB2 reads and writes
	CIFS: Do not consider -ENODATA as stat failure for reads
	fs/dcache: Fix incorrect nr_dentry_unused accounting in shrink_dcache_sb()
	iommu/vt-d: Fix memory leak in intel_iommu_put_resv_regions()
	selftests/seccomp: Enhance per-arch ptrace syscall skip tests
	NFS: Fix up return value on fatal errors in nfs_page_async_flush()
	ARM: cns3xxx: Fix writing to wrong PCI config registers after alignment
	arm64: kaslr: ensure randomized quantities are clean also when kaslr is off
	arm64: Do not issue IPIs for user executable ptes
	arm64: hyp-stub: Forbid kprobing of the hyp-stub
	arm64: hibernate: Clean the __hyp_text to PoC after resume
	gpio: altera-a10sr: Set proper output level for direction_output
	gpiolib: fix line event timestamps for nested irqs
	gpio: pcf857x: Fix interrupts on multiple instances
	gpio: sprd: Fix the incorrect data register
	gpio: sprd: Fix incorrect irq type setting for the async EIC
	gfs2: Revert "Fix loop in gfs2_rbm_find"
	mmc: bcm2835: Fix DMA channel leak on probe error
	mmc: mediatek: fix incorrect register setting of hs400_cmd_int_delay
	ALSA: usb-audio: Add Opus #3 to quirks for native DSD support
	ALSA: hda/realtek - Fixed hp_pin no value
	IB/hfi1: Remove overly conservative VM_EXEC flag check
	platform/x86: asus-nb-wmi: Map 0x35 to KEY_SCREENLOCK
	platform/x86: asus-nb-wmi: Drop mapping of 0x33 and 0x34 scan codes
	mmc: sdhci-iproc: handle mmc_of_parse() errors during probe
	Btrfs: fix deadlock when allocating tree block during leaf/node split
	btrfs: On error always free subvol_name in btrfs_mount
	kernel/exit.c: release ptraced tasks before zap_pid_ns_processes
	mm/hugetlb.c: teach follow_hugetlb_page() to handle FOLL_NOWAIT
	oom, oom_reaper: do not enqueue same task twice
	mm,memory_hotplug: fix scan_movable_pages() for gigantic hugepages
	mm, oom: fix use-after-free in oom_kill_process
	mm: hwpoison: use do_send_sig_info() instead of force_sig()
	mm: migrate: don't rely on __PageMovable() of newpage after unlocking it
	of: Convert to using %pOFn instead of device_node.name
	of: overlay: add tests to validate kfrees from overlay removal
	of: overlay: add missing of_node_get() in __of_attach_node_sysfs
	of: overlay: use prop add changeset entry for property in new nodes
	of: overlay: do not duplicate properties from overlay for new nodes
	md/raid5: fix 'out of memory' during raid cache recovery
	cifs: Always resolve hostname before reconnecting
	Linux 4.19.20

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>