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Guillaume Nault 80ab1e24e2 l2tp: hold tunnel socket when handling control frames in l2tp_ip and l2tp_ip6 
commit 94d7ee0baa8b764cf64ad91ed69464c1a6a0066b upstream.

The code following l2tp_tunnel_find() expects that a new reference is
held on sk. Either sk_receive_skb() or the discard_put error path will
drop a reference from the tunnel's socket.

This issue exists in both l2tp_ip and l2tp_ip6.

Fixes: a3c18422a4b4 ("l2tp: hold socket before dropping lock in l2tp_ip{, 6}_recv()")
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-10 07:41:43 -08:00
..
6lowpan
6lowpan: iphc: reset mac_header after decompress to fix panic
2018-10-10 08:52:04 +02:00
9p
net/9p: fix error path of p9_virtio_probe
2018-09-15 09:40:39 +02:00
802
…
8021q
vlan: also check phy_driver ts_info for vlan's real device
2018-04-13 19:50:25 +02:00
appletalk
…
atm
net: atm: Fix potential Spectre v1
2018-05-16 10:06:51 +02:00
ax25
ax25: Fix segfault after sock connection timeout
2017-02-04 09:45:09 +01:00
batman-adv
batman-adv: fix packet loss for broadcasted DHCP packets to a server
2018-05-30 07:49:06 +02:00
bluetooth
Bluetooth: SMP: fix crash in unpairing
2018-11-10 07:41:33 -08:00
bridge
net: bridge: remove ipv6 zero address check in mcast queries
2018-11-10 07:41:41 -08:00
caif
net: caif: Add a missing rcu_read_unlock() in caif_flow_cb
2018-09-05 09:18:34 +02:00
can
can: af_can: canfd_rcv(): replace WARN_ONCE by pr_warn_once
2018-01-31 12:06:08 +01:00
ceph
libceph: validate con->state at the top of try_write()
2018-05-02 07:53:42 -07:00
core
rtnetlink: Disallow FDB configuration for non-Ethernet device
2018-11-10 07:41:42 -08:00
dcb
net: dcb: For wild-card lookups, use priority -1, not 0
2018-09-19 22:48:58 +02:00
dccp
dccp: fix undefined behavior with 'cwnd' shift in ccid2_cwnd_restart()
2018-08-22 07:48:35 +02:00
decnet
dn_getsockoptdecnet: move nf_{get/set}sockopt outside sock lock
2018-02-25 11:03:38 +01:00
dns_resolver
KEYS: DNS: fix parsing multiple options
2018-07-22 14:25:54 +02:00
dsa
net: dsa: Do not suspend/resume closed slave_dev
2018-08-06 16:24:41 +02:00
ethernet
net: introduce device min_header_len
2017-02-18 16:39:27 +01:00
hsr
net/hsr: fix a warning message
2015-11-23 14:56:15 -05:00
ieee802154
net: 6lowpan: fix reserved space for single frames
2018-09-09 20:04:32 +02:00
ipv4
net: drop skb on failure in ip_check_defrag()
2018-11-10 07:41:42 -08:00
ipv6
net/ipv6: Fix index counter for unicast addresses in in6_dump_addrs
2018-11-10 07:41:41 -08:00
ipx
ipx: call ipxitf_put() in ioctl error path
2017-05-25 14:30:13 +02:00
irda
irda: Only insert new objects into the global database via setsockopt
2018-09-15 09:40:40 +02:00
iucv
af_iucv: Move sockaddr length checks to before accessing sa_family in bind and connect handlers
2018-11-10 07:41:35 -08:00
key
af_key: Always verify length of provided sadb_key
2018-06-16 09:54:25 +02:00
l2tp
l2tp: hold tunnel socket when handling control frames in l2tp_ip and l2tp_ip6
2018-11-10 07:41:43 -08:00
l3mdev
net: Add netif_is_l3_slave
2015-10-07 04:27:43 -07:00
lapb
…
llc
llc: use refcount_inc_not_zero() for llc_sap_find()
2018-08-22 07:48:35 +02:00
mac80211
mac80211: Always report TX status
2018-11-10 07:41:33 -08:00
mac802154
net: mac802154: tx: expand tailroom if necessary
2018-09-09 20:04:32 +02:00
mpls
mpls, nospec: Sanitize array index in mpls_label_ok()
2018-03-11 16:19:47 +01:00
netfilter
netfilter: x_tables: avoid stack-out-of-bounds read in xt_copy_counters_from_user
2018-09-19 22:48:59 +02:00
netlabel
netlabel: check for IPV4MASK in addrinfo_get
2018-10-20 09:52:36 +02:00
netlink
netlink: Don't shift on 64 for ngroups
2018-08-09 12:19:28 +02:00
netrom
netfilter: Remove spurios included of netfilter.h
2015-06-18 21:14:32 +02:00
nfc
NFC: Fix possible memory corruption when handling SHDLC I-Frame commands
2018-09-29 03:08:51 -07:00
openvswitch
openvswitch: Don't swap table in nlattr_set() after OVS_ATTR_NESTED is found
2018-05-26 08:48:47 +02:00
packet
packet: refine ring v3 block size test to hold one frame
2018-08-24 13:27:01 +02:00
phonet
phonet: properly unshare skbs in phonet_rcv()
2016-01-31 11:29:00 -08:00
rds
rds: avoid unenecessary cong_update in loop transport
2018-07-22 14:25:54 +02:00
rfkill
rfkill: gpio: fix memory leak in probe error path
2018-05-16 10:06:51 +02:00
rose
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2015-06-24 02:58:51 -07:00
rxrpc
rxrpc: check return value of skb_to_sgvec always
2018-04-13 19:50:23 +02:00
sched
net: sched: gred: pass the right attribute to gred_change_table_def()
2018-11-10 07:41:41 -08:00
sctp
sctp: fix race on sctp_id2asoc
2018-11-10 07:41:42 -08:00
sunrpc
rpc_pipefs: fix double-dput()
2018-04-24 09:32:11 +02:00
switchdev
switchdev: pass pointer to fib_info instead of copy
2016-06-24 10:18:16 -07:00
tipc
tipc: add policy for TIPC_NLA_NET_ADDR
2018-04-29 07:50:06 +02:00
unix
net: drop write-only stack variable
2018-11-10 07:41:34 -08:00
vmw_vsock
vsock: split dwork to avoid reinitializations
2018-08-22 07:48:35 +02:00
wimax
net:wimax: Fix doucble word "the the" in networking.xml
2015-08-09 22:43:52 -07:00
wireless
cfg80211: reg: Init wiphy_idx in regulatory_hint_core()
2018-11-10 07:41:33 -08:00
x25
net: x25: fix one potential use-after-free issue
2018-04-13 19:50:07 +02:00
xfrm
xfrm: Clear sk_dst_cache when applying per-socket policy.
2018-11-10 07:41:37 -08:00
compat.c
net: support compat 64-bit time in {s,g}etsockopt
2018-05-26 08:48:47 +02:00
Kconfig
Make DST_CACHE a silent config option
2018-02-25 11:03:37 +01:00
Makefile
net: Introduce L3 Master device abstraction
2015-09-29 20:40:32 -07:00
socket.c
net: socket: fix a missing-check bug
2018-11-10 07:41:41 -08:00
sysctl_net.c
net: Use ns_capable_noaudit() when determining net sysctl permissions
2016-09-15 08:27:50 +02:00