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Andres Beltran a8c3209998 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>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: netdev@vger.kernel.org
Cc: linux-scsi@vger.kernel.org
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20201208045311.10244-1-parri.andrea@gmail.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
2021-02-05 09:55:42 +00:00
..
6lowpan
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9p
Merge tag '9p-for-5.11-rc1' of git://github.com/martinetd/linux
2020-12-21 10:28:02 -08:00
802
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8021q
net: make free_netdev() more lenient with unregistering devices
2021-01-08 19:27:41 -08:00
appletalk
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atm
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ax25
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batman-adv
batman-adv: Drop unused soft-interface.h include in fragmentation.c
2020-12-04 08:41:16 +01:00
bluetooth
Bluetooth: Increment management interface revision
2020-12-07 17:02:00 +02:00
bpf
bpf: Reject too big ctx_size_in for raw_tp test run
2021-01-13 19:31:43 -08:00
bpfilter
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bridge
net: bridge: Fix a warning when del bridge sysfs
2020-12-14 18:27:49 -08:00
caif
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can
can: isotp: isotp_getname(): fix kernel information leak
2021-01-13 22:15:13 +01:00
ceph
libceph: fix "Boolean result is used in bitwise operation" warning
2021-01-21 16:49:59 +01:00
core
net: Disable NETIF_F_HW_TLS_RX when RXCSUM is disabled
2021-01-19 15:58:05 -08:00
dcb
net: dcb: Accept RTM_GETDCB messages carrying set-like DCB commands
2021-01-12 15:55:21 -08:00
dccp
Merge tag 'selinux-pr-20201214' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
2020-12-16 11:01:04 -08:00
decnet
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dns_resolver
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dsa
net: dsa: clear devlink port type before unregistering slave netdevs
2021-01-12 18:48:50 -08:00
ethernet
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ethtool
ethtool: fix error paths in ethnl_set_channels()
2020-12-16 13:27:17 -08:00
hsr
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ieee802154
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ife
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ipv4
tcp: Fix potential use-after-free due to double kfree()
2021-01-20 08:56:16 -08:00
ipv6
ipv6: set multicast flag on the multicast route
2021-01-18 19:52:37 -08:00
iucv
net/af_iucv: use DECLARE_SOCKADDR to cast from sockaddr
2020-12-08 15:56:53 -08:00
kcm
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key
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l2tp
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l3mdev
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lapb
net: lapb: Decrease the refcount of "struct lapb_cb" in lapb_device_event
2021-01-04 13:42:41 -08:00
llc
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mac80211
mac80211: check if atf has been disabled in __ieee80211_schedule_txq
2021-01-14 22:27:38 +01:00
mac802154
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mpls
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mptcp
mptcp: fix locking in mptcp_disconnect()
2021-01-14 11:25:21 -08:00
ncsi
net/ncsi: Use real net-device for response handler
2020-12-23 12:22:23 -08:00
netfilter
netfilter: nf_nat: Fix memleak in nf_nat_init
2021-01-11 00:34:11 +01:00
netlabel
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netlink
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netrom
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nfc
net: nfc: nci: fix the wrong NCI_CORE_INIT parameters
2021-01-19 16:49:28 -08:00
nsh
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openvswitch
net: openvswitch: fix TTL decrement exception action execution
2020-12-14 17:18:25 -08:00
packet
net: af_packet: fix procfs header for 64-bit pointers
2020-12-18 12:17:23 -08:00
phonet
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psample
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qrtr
net: qrtr: fix null-ptr-deref in qrtr_ns_remove
2021-01-05 16:50:09 -08:00
rds
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rfkill
rfkill: add a reason to the HW rfkill state
2020-12-11 12:47:17 +01:00
rose
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rxrpc
rxrpc: Call state should be read with READ_ONCE() under some circumstances
2021-01-13 10:38:20 -08:00
sched
net_sched: avoid shift-out-of-bounds in tcindex_set_parms()
2021-01-15 18:11:10 -08:00
sctp
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smc
net/smc: use memcpy instead of snprintf to avoid out of bounds read
2021-01-12 20:22:01 -08:00
strparser
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sunrpc
Merge tag 'nfsd-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
2021-01-19 13:01:50 -08:00
switchdev
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tipc
net: tip: fix a couple kernel-doc markups
2021-01-14 10:30:24 -08:00
tls
net: fix proc_fs init handling in af_packet and tls
2020-12-14 19:39:30 -08:00
unix
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vmw_vsock
Drivers: hv: vmbus: Copy packets sent by Hyper-V out of the ring buffer
2021-02-05 09:55:42 +00:00
wireless
cfg80211: Save the regulatory domain with a lock
2021-01-08 21:03:27 +01:00
x25
net: x25: Remove unimplemented X.25-over-LLC code stubs
2020-12-12 17:15:33 -08:00
xdp
xsk: Clear pool even for inactive queues
2021-01-19 22:47:04 +01:00
xfrm
Merge tag 'selinux-pr-20201214' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
2020-12-16 11:01:04 -08:00
compat.c
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devres.c
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Kconfig
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Makefile
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socket.c
Merge tag 'for-5.11/io_uring-2020-12-14' of git://git.kernel.dk/linux-block
2020-12-16 12:44:05 -08:00
sysctl_net.c
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