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linux-next/net
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Guillaume Nault 4296adc3e3 net/core: check length before updating Ethertype in skb_mpls_{push,pop} 
Openvswitch allows to drop a packet's Ethernet header, therefore
skb_mpls_push() and skb_mpls_pop() might be called with ethernet=true
and mac_len=0. In that case the pointer passed to skb_mod_eth_type()
doesn't point to an Ethernet header and the new Ethertype is written at
unexpected locations.

Fix this by verifying that mac_len is big enough to contain an Ethernet
header.

Fixes: fa4e0f8855fc ("net/sched: fix corrupted L2 header with MPLS 'push' and 'pop' actions")
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Acked-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04 15:09:26 -07:00
..
6lowpan
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
9p
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
802
net: 802: psnap.c: Use built-in RCU list checking
2020-02-24 13:02:53 -08:00
8021q
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
appletalk
appletalk: Fix atalk_proc_init() return path
2020-08-03 15:48:32 -07:00
atm
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
ax25
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-07-25 17:49:04 -07:00
batman-adv
batman-adv: mcast: fix duplicate mcast packets from BLA backbone to mesh
2020-09-15 10:05:24 +02:00
bluetooth
mm, treewide: rename kzfree() to kfree_sensitive()
2020-08-07 11:33:22 -07:00
bpf
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
bpfilter
Merge branch 'exec-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2020-08-04 14:27:25 -07:00
bridge
net: core: introduce struct netdev_nested_priv for nested interface infrastructure
2020-09-28 15:00:15 -07:00
caif
net: caif: fix error code handling
2020-08-25 07:50:25 -07:00
can
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
ceph
libceph: use sendpage_ok() in ceph_tcp_sendpage()
2020-10-02 15:27:08 -07:00
core
net/core: check length before updating Ethertype in skb_mpls_{push,pop}
2020-10-04 15:09:26 -07:00
dcb
net: DCB: Validate DCB_ATTR_DCB_BUFFER argument
2020-09-10 15:09:08 -07:00
dccp
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
decnet
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
dns_resolver
docs: networking: convert dns_resolver.txt to ReST
2020-04-28 14:39:46 -07:00
dsa
net: mscc: ocelot: add locking for the port TX timestamp ID
2020-09-18 13:52:33 -07:00
ethernet
net: move devres helpers into a separate source file
2020-05-23 16:56:17 -07:00
ethtool
ethtool: mark netlink family as __ro_after_init
2020-09-28 18:52:50 -07:00
hsr
hsr: avoid newline at end of message in NL_SET_ERR_MSG_MOD
2020-09-09 11:15:26 -07:00
ieee802154
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
ife
net: Fix Kconfig indentation
2019-09-26 08:56:17 +02:00
ipv4
tcp: fix syn cookied MPTCP request socket leak
2020-10-02 15:34:38 -07:00
ipv6
ipv6: route: convert comma to semicolon
2020-09-21 14:52:18 -07:00
iucv
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
kcm
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
key
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-08-02 01:02:12 -07:00
l2tp
l2tp: improve API documentation in l2tp_core.h
2020-07-30 16:45:31 -07:00
l3mdev
net: Fix some comments
2020-08-27 07:55:59 -07:00
lapb
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
llc
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
mac80211
mac80211: fix 80 MHz association to 160/80+80 AP on 6 GHz
2020-09-18 14:01:24 +02:00
mac802154
Merge tag 'ieee802154-for-davem-2020-09-08' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan
2020-09-08 20:12:58 -07:00
mpls
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
mptcp
mptcp: Handle incoming 32-bit DATA_FIN values
2020-09-29 18:15:46 -07:00
ncsi
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
netfilter
netfilter: nft_meta: use socket user_ns to retrieve skuid and skgid
2020-09-08 13:04:56 +02:00
netlabel
netlabel: fix problems with mapping removal
2020-08-24 16:08:00 -07:00
netlink
netlink: fix policy dump leak
2020-10-02 13:00:38 -07:00
netrom
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
nfc
net/nfc/rawsock.c: add CAP_NET_RAW check.
2020-08-11 10:34:30 -07:00
nsh
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
openvswitch
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
packet
net/packet: fix overflow in tpacket_rcv
2020-09-04 11:56:02 -07:00
phonet
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
psample
net: psample: fix build error when CONFIG_INET is not enabled
2020-05-23 16:36:05 -07:00
qrtr
net: qrtr: ns: Protect radix_tree_deref_slot() using rcu read locks
2020-09-28 15:54:57 -07:00
rds
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
rfkill
rfkill: Fix incorrect check to avoid NULL pointer dereference
2019-12-16 10:15:49 +01:00
rose
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
rxrpc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-09-03 18:50:48 -07:00
sched
net_sched: check error pointer in tcf_dump_walker()
2020-10-04 14:53:06 -07:00
sctp
net: sctp: Fix IPv6 ancestor_size calc in sctp_copy_descendant
2020-09-20 14:15:12 -07:00
smc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-09-03 18:50:48 -07:00
strparser
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-06-22 08:59:24 -04:00
sunrpc
NFS client bugfixes for Linux 5.9
2020-09-09 11:14:20 -07:00
switchdev
net: switchdev: Fixed kerneldoc warning
2020-09-23 17:46:31 -07:00
tipc
net: tipc: kerneldoc fixes
2020-09-15 13:33:04 -07:00
tls
net/tls: race causes kernel panic
2020-09-24 20:06:29 -07:00
unix
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
vmw_vsock
vsock: fix potential null pointer dereference in vsock_poll()
2020-08-12 12:56:06 -07:00
wimax
wimax: no need to check return value of debugfs_create functions
2019-08-10 15:25:47 -07:00
wireless
cfg80211: fix 6 GHz channel conversion
2020-09-18 11:43:46 +02:00
x25
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
xdp
xsk: Do not discard packet when NETDEV_TX_BUSY
2020-09-16 23:36:58 +02:00
xfrm
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
2020-09-28 12:25:42 -07:00
compat.c
net/scm: Fix typo in SCM_RIGHTS compat refactoring
2020-08-07 12:43:25 -07:00
devres.c
net: devres: rename the release callback of devm_register_netdev()
2020-06-30 15:57:34 -07:00
Kconfig
net: ethtool: Remove PHYLIB direct dependency
2020-07-07 15:41:05 -07:00
Makefile
net: move devres helpers into a separate source file
2020-05-23 16:56:17 -07:00
socket.c
net: add WARN_ONCE in kernel_sendpage() for improper zero-copy send
2020-10-02 15:27:08 -07:00
sysctl_net.c
…