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Andres Beltran adae1e931a Drivers: hv: vmbus: Copy packets sent by Hyper-V out of the ring buffer 
Pointers to ring-buffer packets sent by Hyper-V are used within the
guest VM. Hyper-V can send packets with erroneous values or modify
packet fields after they are processed by the guest. To defend
against these scenarios, return a copy of the incoming VMBus packet
after validating its length and offset fields in hv_pkt_iter_first().
In this way, the packet can no longer be modified by the host.

Signed-off-by: Andres Beltran <lkmlabelt@gmail.com>
Co-developed-by: Andrea Parri (Microsoft) <parri.andrea@gmail.com>
Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@gmail.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20210408161439.341988-1-parri.andrea@gmail.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
2021-05-14 17:37:46 +00:00
..
6lowpan
6lowpan: Fix some typos in nhc_udp.c
2021-03-24 17:52:11 -07:00
9p
net: 9p: Correct function names in the kerneldoc comments
2021-03-28 17:56:56 -07:00
802
…
8021q
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-04-26 12:00:00 -07:00
appletalk
appletalk: Fix skb allocation size in loopback case
2021-02-12 16:40:28 -08:00
atm
net: atm: pppoatm: use new API for wakeup tasklet
2021-01-29 18:24:05 -08:00
ax25
net/ax25: Delete obsolete TODO file
2021-03-30 16:54:50 -07:00
batman-adv
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-04-09 20:48:35 -07:00
bluetooth
Networking changes for 5.13.
2021-04-29 11:57:23 -07:00
bpf
bpf: selftests: Add kfunc_call test
2021-03-26 20:41:52 -07:00
bpfilter
net: remove redundant 'depends on NET'
2021-01-27 17:04:12 -08:00
bridge
bridge: Fix possible races between assigning rx_handler_data and setting IFF_BRIDGE_PORT bit
2021-04-29 15:33:17 -07:00
caif
net: caif: Use netif_rx_any_context().
2021-02-15 13:21:48 -08:00
can
can: proc: fix rcvlist_* header alignment on 64-bit system
2021-04-25 19:43:00 +02:00
ceph
Notable items here are a series to take advantage of David Howells'
2021-05-06 10:27:02 -07:00
core
net: page_pool: use alloc_pages_bulk in refill code path
2021-04-30 11:20:43 -07:00
dcb
net: dcb: use obj-$(CONFIG_DCB) form in net/Makefile
2021-01-27 17:03:52 -08:00
dccp
net: dccp: use net_generic storage
2021-04-09 16:34:56 -07:00
decnet
net/decnet: Delete obsolete TODO file
2021-03-30 16:54:50 -07:00
dns_resolver
net: remove redundant 'depends on NET'
2021-01-27 17:04:12 -08:00
dsa
net: selftest: fix build issue if INET is disabled
2021-04-28 14:06:45 -07:00
ethernet
of: net: pass the dst buffer to of_get_mac_address()
2021-04-13 14:35:02 -07:00
ethtool
ethtool: fix missing NLM_F_MULTI flag when dumping
2021-05-05 12:41:10 -07:00
hsr
net: hsr: check skb can contain struct hsr_ethhdr in fill_frame_info
2021-05-03 13:33:54 -07:00
ieee802154
net: remove the new_ifindex argument from dev_change_net_namespace
2021-04-07 14:43:28 -07:00
ife
net: remove redundant 'depends on NET'
2021-01-27 17:04:12 -08:00
ipv4
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
2021-05-07 16:10:12 -07:00
ipv6
net: Remove redundant assignment to err
2021-04-29 15:34:15 -07:00
iucv
iucv: af_iucv.c: Couple of typo fixes
2021-03-28 17:31:13 -07:00
kcm
kcm: kcmsock.c: Couple of typo fixes
2021-03-28 17:31:13 -07:00
key
af_key: relax availability checks for skb size calculation
2021-01-04 10:05:50 +01:00
l2tp
net: fix a concurrency bug in l2tp_tunnel_register()
2021-04-27 14:23:13 -07:00
l3mdev
l3mdev: Correct function names in the kerneldoc comments
2021-03-28 17:56:55 -07:00
lapb
net: lapb: Make "lapb_t1timer_running" able to detect an already running timer
2021-03-23 14:14:50 -07:00
llc
llc2: Remove redundant assignment to rc
2021-04-27 14:16:14 -07:00
mac80211
Networking changes for 5.13.
2021-04-29 11:57:23 -07:00
mac802154
net: mac802154: Fix general protection fault
2021-04-06 22:42:16 +02:00
mpls
mpls: Remove redundant assignment to err
2021-04-27 14:17:00 -07:00
mptcp
mptcp: fix splat when closing unaccepted socket
2021-05-07 15:53:40 -07:00
ncsi
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-04-09 20:48:35 -07:00
netfilter
netfilter: nftables: avoid potential overflows on 32bit arches
2021-05-07 10:01:39 +02:00
netlabel
Networking changes for 5.13.
2021-04-29 11:57:23 -07:00
netlink
netlink: don't call ->netlink_bind with table lock held
2021-04-16 17:01:04 -07:00
netrom
net: netrom: nr_in: Remove redundant assignment to ns
2021-04-28 13:59:08 -07:00
nfc
net/nfc: fix use-after-free llcp_sock_bind/connect
2021-05-04 11:59:48 -07:00
nsh
…
openvswitch
openvswitch: fix stack OOB read while fragmenting IPv4 packets
2021-04-29 15:31:53 -07:00
packet
net/packet: remove data races in fanout operations
2021-04-14 14:34:38 -07:00
phonet
…
psample
psample: Add additional metadata attributes
2021-03-14 15:00:43 -07:00
qrtr
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-04-26 12:00:00 -07:00
rds
RDMA merge window pull request
2021-05-01 09:15:05 -07:00
rfkill
Another set of updates, all over the map:
2021-04-20 16:44:04 -07:00
rose
net: rose: Fix fall-through warnings for Clang
2021-03-10 12:45:15 -08:00
rxrpc
Networking changes for 5.13.
2021-04-29 11:57:23 -07:00
sched
net/sched: sch_frag: fix stack OOB read while fragmenting IPv4 packets
2021-04-29 15:31:53 -07:00
sctp
sctp: delay auto_asconf init until binding the first addr
2021-05-03 13:36:21 -07:00
smc
smc: disallow TCP_ULP in smc_setsockopt()
2021-05-05 12:52:45 -07:00
strparser
…
sunrpc
NFS client updates for Linux 5.13
2021-05-07 11:23:41 -07:00
switchdev
net: bridge: propagate extack through switchdev_port_attr_set
2021-02-14 17:38:11 -08:00
tipc
Networking changes for 5.13.
2021-04-29 11:57:23 -07:00
tls
net/tls: Remove redundant initialization of record
2021-04-27 14:15:19 -07:00
unix
af_unix: handle idmapped mounts
2021-01-24 14:27:18 +01:00
vmw_vsock
Drivers: hv: vmbus: Copy packets sent by Hyper-V out of the ring buffer
2021-05-14 17:37:46 +00:00
wireless
Networking changes for 5.13.
2021-04-29 11:57:23 -07:00
x25
af_x25.c: Fix a spello
2021-03-28 17:31:13 -07:00
xdp
xsk: Fix for xp_aligned_validate_desc() when len == chunk_size
2021-05-04 00:28:06 +02:00
xfrm
xfrm: ipcomp: remove unnecessary get_cpu()
2021-04-19 12:49:29 +02:00
compat.c
…
devres.c
…
Kconfig
net: selftest: fix build issue if INET is disabled
2021-04-28 14:06:45 -07:00
Makefile
net: l3mdev: use obj-$(CONFIG_NET_L3_MASTER_DEV) form in net/Makefile
2021-01-27 17:03:52 -08:00
socket.c
net: Fix a misspell in socket.c
2021-03-25 16:56:27 -07:00
sysctl_net.c
net: Ensure net namespace isolation of sysctls
2021-04-12 13:27:11 -07:00