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linux/include/net
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Eric Dumazet c86318e072 ipv6: do not clear pinet6 field 
[ Upstream commit f77d602124 ]

We have seen multiple NULL dereferences in __inet6_lookup_established()

After analysis, I found that inet6_sk() could be NULL while the
check for sk_family == AF_INET6 was true.

Bug was added in linux-2.6.29 when RCU lookups were introduced in UDP
and TCP stacks.

Once an IPv6 socket, using SLAB_DESTROY_BY_RCU is inserted in a hash
table, we no longer can clear pinet6 field.

This patch extends logic used in commit fcbdf09d96
("net: fix nulls list corruptions in sk_prot_alloc")

TCP/UDP/UDPLite IPv6 protocols provide their own .clear_sk() method
to make sure we do not clear pinet6 field.

At socket clone phase, we do not really care, as cloning the parent (non
NULL) pinet6 is not adding a fatal race.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
2013-05-24 10:23:19 -07:00
..
9p
9p: Reduce object size with CONFIG_NET_9P_DEBUG
2012-01-05 10:51:44 -06:00
bluetooth
Bluetooth: trivial: Change NO_FCS_RECV to RECV_NO_FCS
2012-12-03 16:00:01 -02:00
caif
caif-hsi: Remove use of module parameters
2012-06-25 16:44:12 -07:00
irda
various: Fix spelling of "registered" in comments.
2012-11-19 14:29:46 +01:00
iucv
af_iucv: add shutdown for HS transport
2012-03-07 22:52:24 -08:00
netfilter
netfilter: nf_conntrack: fix BUG_ON while removing nf_conntrack with netns
2013-01-12 14:12:36 +01:00
netns
netfilter: xt_CT: recover NOTRACK target support
2012-12-24 12:55:09 +01:00
nfc
NFC: Export nfc_hci_sak_to_protocol()
2012-11-19 23:56:59 +01:00
phonet
net: remove my future former mail address
2012-06-17 16:29:38 -07:00
sctp
sctp: Add RCU protection to assoc->transport_addr_list
2012-12-07 14:15:04 -05:00
tc_act
net/sched: add ACT_CSUM action to update packets checksums
2010-08-20 01:42:59 -07:00
act_api.h
net: sched: constify tcf_proto and tc_action
2011-07-06 02:52:16 -07:00
addrconf.h
netconf: advertise mc_forwarding status
2012-12-04 13:08:10 -05:00
af_ieee802154.h
af_ieee802154: add support for WANT_ACK socket option
2009-08-12 21:54:50 -07:00
af_rxrpc.h
net: Remove __KERNEL__ cpp checks from include/net
2011-04-24 10:54:56 -07:00
af_unix.h
unix: Remove unused field from unix_sock
2012-10-21 20:37:06 -04:00
ah.h
ipsec: update MAX_AH_AUTH_LEN to support sha512
2011-01-13 21:48:25 -08:00
arp.h
net: Dont use ifindices in hash fns
2012-08-09 16:18:06 -07:00
atmclip.h
atm: clip: Use device neigh support on top of "arp_tbl".
2011-11-30 18:51:03 -05:00
ax25.h
userns: Convert net/ax25 to use kuid_t where appropriate
2012-08-14 21:49:42 -07:00
ax88796.h
ax88796: Add method to take MAC from platform data
2009-03-24 23:32:03 -07:00
cfg80211-wext.h
cfg80211: remove unused wext handler exports
2011-08-08 14:26:29 -04:00
cfg80211.h
cfg80211: fix BSS struct IE access races
2012-11-30 13:42:20 +01:00
checksum.h
net: core: add function for incremental IPv6 pseudo header checksum updates
2012-08-30 03:00:16 +02:00
cipso_ipv4.h
cipso: handle CIPSO options correctly when NetLabel is disabled
2012-06-01 14:18:29 -04:00
cls_cgroup.h
net: Update args to dummy sock_update_classid().
2012-10-26 05:07:00 -04:00
codel.h
codel: refine one condition to avoid a nul rec_inv_sqrt
2012-08-10 16:52:54 -07:00
compat.h
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
datalink.h
…
dcbevent.h
dcb: Add stub routines for !CONFIG_DCB
2011-10-06 15:49:51 -04:00
dcbnl.h
net/dcb: Add an optional max rate attribute
2012-04-05 05:08:04 -04:00
dn_dev.h
decnet: RCU conversion and get rid of dev_base_lock
2010-11-08 13:50:08 -08:00
dn_fib.h
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
dn_neigh.h
…
dn_nsp.h
net: use __packed annotation
2010-06-03 03:21:52 -07:00
dn_route.h
decnet: Use neighbours privately in dn_route struct.
2012-07-05 01:12:14 -07:00
dn.h
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
dsa.h
dsa: Include linux/if_ether.h to fix build error
2011-12-01 11:41:06 -05:00
dsfield.h
[NET]: Constify include/net/dsfield.h
2008-01-28 14:55:58 -08:00
dst_ops.h
net: Fix warnings in dst_ops.h
2012-07-19 10:43:03 -07:00
dst.h
ipv6: fix race condition regarding dst->expires and dst->from.
2013-02-28 05:38:40 -08:00
esp.h
[IPSEC]: Use crypto_aead and authenc in ESP
2008-01-31 19:27:02 -08:00
ethoc.h
net: Add support for the OpenCores 10/100 Mbps Ethernet MAC.
2009-03-27 00:16:21 -07:00
fib_rules.h
ipv4: Elide fib_validate_source() completely when possible.
2012-06-29 01:36:36 -07:00
flow_keys.h
flow_dissector: use a 64bit load/store
2011-11-29 13:17:03 -05:00
flow.h
ipv4: Add FLOWI_FLAG_KNOWN_NH
2012-10-08 17:42:36 -04:00
garp.h
garp: remove last synchronize_rcu() call
2011-05-12 17:46:56 -04:00
gen_stats.h
Fix common misspellings
2011-03-31 11:26:23 -03:00
genetlink.h
netlink: Rename pid to portid to avoid confusion
2012-09-10 15:30:41 -04:00
gre.h
PPTP: PPP over IPv4 (Point-to-Point Tunneling Protocol)
2010-08-21 23:05:39 -07:00
gro_cells.h
net: fix a race in gro_cell_poll()
2012-12-11 12:49:53 -05:00
icmp.h
ipv4: fix error handling in icmp_protocol.
2013-02-28 05:38:41 -08:00
ieee80211_radiotap.h
mac80211: support (partial) VHT radiotap information
2012-11-27 11:56:18 +01:00
ieee802154_netdev.h
mac802154: declare reduced mlme operations
2012-05-16 15:16:56 -04:00
ieee802154.h
6LoWPAN: add fragmentation support
2011-11-14 00:19:42 -05:00
if_inet6.h
net: delete all instances of special processing for token ring
2012-05-15 20:14:35 -04:00
inet6_connection_sock.h
ipv6: Add helper inet6_csk_update_pmtu().
2012-07-16 03:44:56 -07:00
inet6_hashtables.h
ipv6: use a stronger hash for tcp
2013-02-28 05:38:41 -08:00
inet_common.h
net-tcp: Fast Open client - sendmsg(MSG_FASTOPEN)
2012-07-19 11:02:03 -07:00
inet_connection_sock.h
inet: Fix kmemleak in tcp_v4/6_syn_recv_sock and dccp_v4/6_request_recv_sock
2012-12-14 13:14:07 -05:00
inet_ecn.h
tunnel: drop packet if ECN present with not-ECT
2012-09-27 18:12:37 -04:00
inet_frag.h
inet: limit length of fragment queue hash table bucket lists
2013-03-28 12:17:23 -07:00
inet_hashtables.h
net: fix sparse endianness warnings on sock_common
2012-12-02 20:23:01 -05:00
inet_sock.h
ipv6: use a stronger hash for tcp
2013-02-28 05:38:41 -08:00
inet_timewait_sock.h
net: move inet_dport/inet_num in sock_common
2012-11-30 15:02:56 -05:00
inetpeer.h
ipv4: Maintain redirect and PMTU info in struct rtable again.
2012-07-10 22:40:14 -07:00
ip6_checksum.h
ipv6: Separate tcp offload functionality
2012-11-15 17:36:18 -05:00
ip6_fib.h
ipv6: fix race condition regarding dst->expires and dst->from.
2013-02-28 05:38:40 -08:00
ip6_route.h
ipv6: export IP6_RT_PRIO_* to userland
2012-11-16 01:47:40 -05:00
ip6_tunnel.h
gre: Support GRE over IPv6
2012-08-14 14:28:32 -07:00
ip_fib.h
ipv4: fix definition of FIB_TABLE_HASHSZ
2013-03-28 12:17:08 -07:00
ip_vs.h
ipvs: fix build errors related to config option combinations
2012-10-23 09:23:40 +09:00
ip.h
ipv4: Add a socket release callback for datagram sockets
2013-01-21 14:17:05 -05:00
ipcomp.h
percpu: add __percpu sparse annotations to net
2010-02-16 23:05:38 -08:00
ipconfig.h
net: remove CVS keywords
2008-06-11 21:00:38 -07:00
ipip.h
net: convert __IPTUNNEL_XMIT() to an inline function
2012-11-14 18:49:50 -05:00
ipv6.h
ipv6: use a stronger hash for tcp
2013-02-28 05:38:41 -08:00
ipx.h
net: Remove __KERNEL__ cpp checks from include/net
2011-04-24 10:54:56 -07:00
iw_handler.h
Fix common misspellings
2011-03-31 11:26:23 -03:00
lapb.h
lapb: Neaten debugging
2012-05-17 18:45:20 -04:00
lib80211.h
include: replace linux/module.h with "struct module" wherever possible
2011-10-31 19:32:32 -04:00
llc_c_ac.h
…
llc_c_ev.h
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
llc_c_st.h
…
llc_conn.h
llc: use a device based hash table to speed up multicast delivery
2009-12-26 20:43:57 -08:00
llc_if.h
[LLC]: Kill static inline llc_addrany
2008-02-29 11:46:17 -08:00
llc_pdu.h
net: delete all instances of special processing for token ring
2012-05-15 20:14:35 -04:00
llc_s_ac.h
…
llc_s_ev.h
…
llc_s_st.h
…
llc_sap.h
[LLC]: skb allocation size for responses
2008-03-31 21:02:47 -07:00
llc.h
llc: Remove stray reference to sysctl_llc_station_ack_timeout.
2012-09-17 13:13:24 -04:00
mac80211.h
mac80211: introduce IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL
2012-12-05 09:53:31 +01:00
mac802154.h
mac802154: add wpan device-class support
2012-06-26 21:06:11 -07:00
mip6.h
net: use __packed annotation
2010-06-03 03:21:52 -07:00
mld.h
ipv6 mcast: Introduce include/net/mld.h for MLD definitions.
2010-04-23 13:35:55 +09:00
ndisc.h
ipv6: Change skb->data before using icmpv6_notify() to propagate redirect
2012-12-14 13:14:07 -05:00
neighbour.h
net: output path optimizations
2012-08-07 16:24:55 -07:00
net_namespace.h
proc: Usable inode numbers for the namespace file descriptors.
2012-11-20 04:19:49 -08:00
net_ratelimit.h
net: Kill ratelimit.h dependency in linux/net.h
2011-05-27 13:41:33 -04:00
netdma.h
net_dma: convert to dma_find_channel
2009-01-06 11:38:15 -07:00
netevent.h
net: Pass neighbours and dest address into NETEVENT_REDIRECT events.
2012-07-05 02:21:55 -07:00
netlabel.h
userns: Convert the audit loginuid to be a kuid
2012-09-17 18:08:54 -07:00
netlink.h
netlink: Rename pid to portid to avoid confusion
2012-09-10 15:30:41 -04:00
netprio_cgroup.h
netprio_cgroup: use cgroup->id instead of cgroup_netprio_state->prioidx
2012-11-22 07:32:47 -08:00
netrom.h
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
nexthop.h
…
nl802154.h
ieee802154: add support for channel pages from IEEE 802.15.4-2006
2009-08-19 23:08:22 +04:00
p8022.h
…
ping.h
net: ping: fix build failure
2011-05-17 14:16:58 -04:00
pkt_cls.h
net: Fix range checks in tcf_valid_offset().
2010-12-21 12:43:16 -08:00
pkt_sched.h
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
protocol.h
net: Remove code duplication between offload structures
2012-11-15 17:39:51 -05:00
psnap.h
snap: use const for descriptor
2009-03-21 19:06:50 -07:00
raw.h
include/net/raw.h: Convert raw_seq_private macro to inline
2010-09-08 13:42:22 -07:00
rawv6.h
ipv6: bool/const conversions phase2
2012-05-19 01:08:16 -04:00
red.h
net_sched: red: Make minor corrections to comments
2012-04-16 23:53:11 -04:00
regulatory.h
cfg80211: add cellular base station regulatory hint support
2012-07-17 12:16:39 +02:00
request_sock.h
tcp: better retrans tracking for defer-accept
2012-11-03 14:45:00 -04:00
rose.h
rose: Add length checks to CALL_REQUEST parsing
2011-03-27 17:59:04 -07:00
route.h
ipv4: avoid a test in ip_rt_put()
2012-11-03 14:59:04 -04:00
rtnetlink.h
rtnelink: remove unused parameter from rtnl_create_link().
2012-11-30 12:24:40 -05:00
sch_generic.h
pkt_sched: avoid requeues if possible
2012-12-12 00:16:47 -05:00
scm.h
net: fix incorrect credentials passing
2013-05-01 09:46:20 -07:00
secure_seq.h
tcp: add const qualifiers where possible
2011-10-21 05:22:42 -04:00
slhc_vj.h
…
snmp.h
net: avoid reloads in SNMP_UPD_PO_STATS
2012-08-06 13:40:47 -07:00
sock.h
ipv6: do not clear pinet6 field
2013-05-24 10:23:19 -07:00
stp.h
net: Add STP demux layer
2008-07-05 21:25:39 -07:00
tcp_memcontrol.h
cgroup: pass struct mem_cgroup instead of struct cgroup to socket memcg
2012-04-10 10:04:07 -07:00
tcp_states.h
…
tcp.h
tcp: force a dst refcount when prequeue packet
2013-05-24 10:23:09 -07:00
timewait_sock.h
[PATCH] tcp: Cache inetpeer in timewait socket, and only when necessary.
2012-06-09 14:56:12 -07:00
transp_v6.h
ipv6: rename datagram_send_ctl and datagram_recv_ctl
2013-01-31 13:53:08 -05:00
udp.h
net/ipv6/udp: UDP encapsulation: introduce encap_rcv hook into IPv6
2012-04-28 22:21:51 -04:00
udplite.h
net: ipv4: Standardize prefixes for message logging
2012-03-12 17:05:21 -07:00
wext.h
wext: refactor
2009-10-07 16:39:43 -04:00
wimax.h
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
wpan-phy.h
mac802154: monitor device support
2012-05-16 15:17:08 -04:00
x25.h
net: cleanup unsigned to unsigned int
2012-04-15 12:44:40 -04:00
x25device.h
X25: Add if_x25.h and x25 to device identifiers
2010-04-22 16:12:36 -07:00
xfrm.h
xfrm: Fix the gc threshold value for ipv4
2012-11-13 09:15:07 +01:00