Hirsute update: upstream stable patchset 2021-08-20

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 2021-08-20

                Ported from the following upstream stable releases:
                        v5.10.55, v5.13.7
                        v5.10.56, v5.13.8

       from git://git.kernel.org/

tools: Allow proper CC/CXX/... override with LLVM=1 in Makefile.include
io_uring: fix link timeout refs
KVM: x86: determine if an exception has an error code only when injecting it.
af_unix: fix garbage collect vs MSG_PEEK
workqueue: fix UAF in pwq_unbound_release_workfn()
cgroup1: fix leaked context root causing sporadic NULL deref in LTP
net/802/mrp: fix memleak in mrp_request_join()
net/802/garp: fix memleak in garp_request_join()
net: annotate data race around sk_ll_usec
sctp: move 198 addresses from unusable to private scope
rcu-tasks: Don't delete holdouts within trc_inspect_reader()
rcu-tasks: Don't delete holdouts within trc_wait_for_one_reader()
ipv6: allocate enough headroom in ip6_finish_output2()
drm/ttm: add a check against null pointer dereference
hfs: add missing clean-up in hfs_fill_super
hfs: fix high memory mapping in hfs_bnode_read
hfs: add lock nesting notation to hfs_find_init
firmware: arm_scmi: Fix possible scmi_linux_errmap buffer overflow
firmware: arm_scmi: Fix range check for the maximum number of pending messages
cifs: fix the out of range assignment to bit fields in parse_server_interfaces
iomap: remove the length variable in iomap_seek_data
iomap: remove the length variable in iomap_seek_hole
ARM: dts: versatile: Fix up interrupt controller node names
ipv6: ip6_finish_output2: set sk into newly allocated nskb
nvme-pci: fix multiple races in nvme_setup_io_queues
UBUNTU: upstream stable to v5.10.55, v5.13.7
selftest: fix build error in tools/testing/selftests/vm/userfaultfd.c
io_uring: fix null-ptr-deref in io_sq_offload_start()
x86/asm: Ensure asm/proto.h can be included stand-alone
pipe: make pipe writes always wake up readers
btrfs: fix rw device counting in __btrfs_free_extra_devids
btrfs: mark compressed range uptodate only if all bio succeed
Revert "ACPI: resources: Add checks for ACPI IRQ override"
ACPI: DPTF: Fix reading of attributes
x86/kvm: fix vcpu-id indexed array sizes
KVM: add missing compat KVM_CLEAR_DIRTY_LOG
ocfs2: fix zero out valid data
ocfs2: issue zeroout to EOF blocks
can: j1939: j1939_xtp_rx_dat_one(): fix rxtimer value between consecutive TP.DT to 750ms
can: raw: raw_setsockopt(): fix raw_rcv panic for sock UAF
can: peak_usb: pcan_usb_handle_bus_evt(): fix reading rxerr/txerr values
can: mcba_usb_start(): add missing urb->transfer_dma initialization
can: usb_8dev: fix memory leak
can: ems_usb: fix memory leak
can: esd_usb2: fix memory leak
alpha: register early reserved memory in memblock
HID: wacom: Re-enable touch by default for Cintiq 24HDT / 27QHDT
NIU: fix incorrect error return, missed in previous revert
drm/amd/display: ensure dentist display clock update finished in DCN20
drm/amdgpu: Avoid printing of stack contents on firmware load error
drm/amdgpu: Fix resource leak on probe error path
blk-iocost: fix operation ordering in iocg_wake_fn()
nfc: nfcsim: fix use after free during module unload
cfg80211: Fix possible memory leak in function cfg80211_bss_update
RDMA/bnxt_re: Fix stats counters
bpf: Fix OOB read when printing XDP link fdinfo
mac80211: fix enabling 4-address mode on a sta vif after assoc
netfilter: conntrack: adjust stop timestamp to real expiry value
netfilter: nft_nat: allow to specify layer 4 protocol NAT only
i40e: Fix logic of disabling queues
i40e: Fix firmware LLDP agent related warning
i40e: Fix queue-to-TC mapping on Tx
i40e: Fix log TC creation failure when max num of queues is exceeded
tipc: fix implicit-connect for SYN+
tipc: fix sleeping in tipc accept routine
net: Set true network header for ECN decapsulation
net: qrtr: fix memory leaks
ionic: remove intr coalesce update from napi
ionic: fix up dim accounting for tx and rx
ionic: count csum_none when offload enabled
tipc: do not write skb_shinfo frags when doing decrytion
octeontx2-pf: Fix interface down flag on error
mlx4: Fix missing error code in mlx4_load_one()
KVM: x86: Check the right feature bit for MSR_KVM_ASYNC_PF_ACK access
net: llc: fix skb_over_panic
drm/msm/dpu: Fix sm8250_mdp register length
drm/msm/dp: Initialize the INTF_CONFIG register
skmsg: Make sk_psock_destroy() static
net/mlx5: Fix flow table chaining
net/mlx5e: Fix nullptr in mlx5e_hairpin_get_mdev()
sctp: fix return value check in __sctp_rcv_asconf_lookup
tulip: windbond-840: Fix missing pci_disable_device() in probe and remove
sis900: Fix missing pci_disable_device() in probe and remove
can: hi311x: fix a signedness bug in hi3110_cmd()
bpf: Introduce BPF nospec instruction for mitigating Spectre v4
bpf: Fix leakage due to insufficient speculative store bypass mitigation
bpf: Remove superfluous aux sanitation on subprog rejection
bpf: verifier: Allocate idmap scratch in verifier env
bpf: Fix pointer arithmetic mask tightening under state pruning
SMB3: fix readpage for large swap cache
powerpc/pseries: Fix regression while building external modules
i40e: Add additional info to PHY type error
can: j1939: j1939_session_deactivate(): clarify lifetime of session object
btrfs: fix lost inode on log replay after mix of fsync, rename and inode eviction
mm/memcg: fix NULL pointer dereference in memcg_slab_free_hook()
drm/amdgpu: Check pmops for desired suspend state
io_uring: fix io_prep_async_link locking
platform/x86: amd-pmc: Fix command completion code
platform/x86: amd-pmc: Fix SMU firmware reporting mechanism
ionic: make all rx_mode work threadsafe
drm/panel: panel-simple: Fix proper bpc for ytc700tlag_05_201c
net/mlx5: E-Switch, handle devcom events only for ports on the same device
block: delay freeing the gendisk
powerpc/vdso: Don't use r30 to avoid breaking Go lang
octeontx2-af: Remove unnecessary devm_kfree
UBUNTU: upstream stable to v5.10.56, v5.13.8