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msm-4.14/net/ipv4
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Alexander Duyck ddb4b9a132 fib_trie: Address possible NULL pointer dereference in resize 
If the inflate call failed it would return NULL.  As a result tp would be
set to NULL and cause use to trigger a NULL pointer dereference in
should_halve if the inflate failed on the first attempt.

In order to prevent this we should decrement max_work before we actually
attempt to inflate as this will force us to exit before attempting to halve
a node we should have inflated.  In order to keep things symmetric between
inflate and halve I went ahead and also moved the decrement of max_work for
the halve case as well so we take care of that before we actually attempt
to halve the tnode.

Fixes: 88bae714 ("fib_trie: Add key vector to root, return parent key_vector in resize")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-10 18:36:56 -04:00
..
netfilter
netfilter: fix sparse warnings in reject handling
2015-03-10 15:01:32 +01:00
af_inet.c
net: Remove iocb argument from sendmsg and recvmsg
2015-03-02 13:06:31 -05:00
ah4.c
ipsec: Remove obsolete MAX_AH_AUTH_LEN
2014-09-18 10:54:36 +02:00
arp.c
neigh: Factor out ___neigh_lookup_noref
2015-03-04 00:23:23 -05:00
cipso_ipv4.c
cipso: don't use IPCB() to locate the CIPSO IP option
2015-02-11 14:46:37 -05:00
datagram.c
net: Save TX flow hash in sock and set in skbuf on xmit
2014-07-07 21:14:21 -07:00
devinet.c
multicast: Extend ip address command to enable multicast group join/leave on
2015-02-27 16:25:25 -05:00
esp4.c
net: esp: Convert NETDEBUG to pr_info
2014-11-06 15:11:10 -05:00
fib_frontend.c
switchdev: don't support custom ip rules, for now
2015-03-06 00:24:58 -05:00
fib_lookup.h
fib_trie: Add slen to fib alias
2015-02-27 16:37:07 -05:00
fib_rules.c
switchdev: don't support custom ip rules, for now
2015-03-06 00:24:58 -05:00
fib_semantics.c
fib_trie: Convert fib_alias to hlist from list
2015-02-27 16:37:06 -05:00
fib_trie.c
fib_trie: Address possible NULL pointer dereference in resize
2015-03-10 18:36:56 -04:00
fou.c
gue: Use checksum partial with remote checksum offload
2015-02-11 15:12:13 -08:00
geneve.c
openvswitch: Add support for checksums on UDP tunnels.
2015-01-28 23:04:15 -08:00
gre_demux.c
net: Fix GRE RX to use skb_transport_header for GRE header offset
2014-09-08 15:23:05 -07:00
gre_offload.c
gre: Set inner mac header in gro complete
2014-12-05 21:18:34 -08:00
icmp.c
ipv4: icmp: use percpu allocation
2015-01-31 17:48:18 -08:00
igmp.c
multicast: Extend ip address command to enable multicast group join/leave on
2015-02-27 16:25:25 -05:00
inet_connection_sock.c
ipv4: make ip_local_reserved_ports per netns
2014-05-14 15:31:45 -04:00
inet_diag.c
inet_diag: add const to inet_diag_req_v2
2015-03-10 13:45:28 -04:00
inet_fragment.c
net: Convert LIMIT_NETDEBUG to net_dbg_ratelimited
2014-11-11 14:10:31 -05:00
inet_hashtables.c
net: use reciprocal_scale() helper
2014-08-23 12:21:21 -07:00
inet_lro.c
lro: remove dead code
2013-12-29 16:34:25 -05:00
inet_timewait_sock.c
tcp/dccp: remove twchain
2013-10-08 23:19:24 -04:00
inetpeer.c
inet: remove dead inetpeer sequence code
2014-09-08 16:42:42 -07:00
ip_forward.c
ipv4: try to cache dst_entries which would cause a redirect
2015-01-26 17:28:27 -08:00
ip_fragment.c
ipv4: ip_check_defrag should not assume that skb_network_offset is zero
2015-03-05 21:43:48 -05:00
ip_gre.c
gre/ipip: use be16 variants of netlink functions
2015-02-08 16:28:06 -08:00
ip_input.c
net: Fix memory leak if TPROXY used with TCP early demux
2014-01-27 16:22:11 -08:00
ip_options.c
ipv4: rename ip_options_echo to __ip_options_echo()
2014-09-28 16:35:42 -04:00
ip_output.c
udp: only allow UFO for packets from SOCK_DGRAM sockets
2015-03-02 22:19:29 -05:00
ip_sockglue.c
ip: fix error queue empty skb handling
2015-03-08 23:01:54 -04:00
ip_tunnel_core.c
ipv4: fix a potential use after free in ip_tunnel_core.c
2014-10-17 23:45:26 -04:00
ip_tunnel.c
tunnels: advertise link netns via netlink
2015-01-19 14:32:03 -05:00
ip_vti.c
tunnels: advertise link netns via netlink
2015-01-19 14:32:03 -05:00
ipcomp.c
ipcomp4: Use the IPsec protocol multiplexer API
2014-02-25 07:04:17 +01:00
ipconfig.c
net: ipv4: handle DSA enabled master network devices
2015-01-19 15:45:10 -05:00
ipip.c
gre/ipip: use be16 variants of netlink functions
2015-02-08 16:28:06 -08:00
ipmr.c
netlink: make nlmsg_end() and genlmsg_end() void
2015-01-18 01:03:45 -05:00
Kconfig
net: Move fou_build_header into fou.c and refactor
2014-11-05 16:30:02 -05:00
Makefile
net: Add Geneve tunneling protocol driver
2014-10-06 00:32:20 -04:00
netfilter.c
netfilter: remove double colon
2014-02-19 11:41:25 +01:00
ping.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2015-03-09 23:38:02 -04:00
proc.c
tcp: helpers to mitigate ACK loops by rate-limiting out-of-window dupacks
2015-02-08 01:03:12 -08:00
protocol.c
net: Export inet_offloads and inet6_offloads
2014-09-19 17:15:31 -04:00
raw.c
net: Remove iocb argument from sendmsg and recvmsg
2015-03-02 13:06:31 -05:00
route.c
net: Remove protocol from struct dst_ops
2015-03-09 16:06:10 -04:00
syncookies.c
net: allow setting ecn via routing table
2014-11-04 16:06:09 -05:00
sysctl_net_ipv4.c
ipv4: Create probe timer for tcp PMTU as per RFC4821
2015-03-06 14:57:42 -05:00
tcp_bic.c
tcp: stretch ACK fixes prep
2015-01-28 22:18:37 -08:00
tcp_cong.c
tcp: silence registration message
2015-02-20 15:04:03 -05:00
tcp_cubic.c
tcp: fix timing issue in CUBIC slope calculation
2015-01-28 22:18:38 -08:00
tcp_dctcp.c
net: tcp: add DCTCP congestion control algorithm
2014-09-29 00:13:10 -04:00
tcp_diag.c
inet_diag: add const to inet_diag_req_v2
2015-03-10 13:45:28 -04:00
tcp_fastopen.c
tcp: cleanup static functions
2015-02-28 16:56:51 -05:00
tcp_highspeed.c
tcp: whitespace fixes
2014-09-01 18:12:45 -07:00
tcp_htcp.c
tcp: whitespace fixes
2014-09-01 18:12:45 -07:00
tcp_hybla.c
tcp: whitespace fixes
2014-09-01 18:12:45 -07:00
tcp_illinois.c
tcp: whitespace fixes
2014-09-01 18:12:45 -07:00
tcp_input.c
tcp: fix tcp_should_expand_sndbuf() to use tcp_packets_in_flight()
2015-02-22 23:07:11 -05:00
tcp_ipv4.c
ipv4: Create probe timer for tcp PMTU as per RFC4821
2015-03-06 14:57:42 -05:00
tcp_lp.c
tcp: remove in_flight parameter from cong_avoid() methods
2014-05-03 19:23:07 -04:00
tcp_memcontrol.c
memcg: cleanup static keys decrement
2015-02-12 18:54:10 -08:00
tcp_metrics.c
netlink: make nlmsg_end() and genlmsg_end() void
2015-01-18 01:03:45 -05:00
tcp_minisocks.c
tcp: mitigate ACK loops for connections as tcp_timewait_sock
2015-02-08 01:03:13 -08:00
tcp_offload.c
tcp: cleanup static functions
2015-02-28 16:56:51 -05:00
tcp_output.c
ipv4: Create probe timer for tcp PMTU as per RFC4821
2015-03-06 14:57:42 -05:00
tcp_probe.c
tcp: whitespace fixes
2014-09-01 18:12:45 -07:00
tcp_scalable.c
tcp: stretch ACK fixes prep
2015-01-28 22:18:37 -08:00
tcp_timer.c
ipv4: Create probe timer for tcp PMTU as per RFC4821
2015-03-06 14:57:42 -05:00
tcp_vegas.c
tcp: whitespace fixes
2014-09-01 18:12:45 -07:00
tcp_vegas.h
net: ipv4/ipv6: Remove extern from function prototypes
2013-10-19 19:12:11 -04:00
tcp_veno.c
tcp: stretch ACK fixes prep
2015-01-28 22:18:37 -08:00
tcp_westwood.c
net: tcp: split ack slow/fast events from cwnd_event
2014-09-29 00:13:10 -04:00
tcp_yeah.c
tcp: stretch ACK fixes prep
2015-01-28 22:18:37 -08:00
tcp.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2015-03-09 23:38:02 -04:00
tunnel4.c
…
udp_diag.c
inet_diag: add const to inet_diag_req_v2
2015-03-10 13:45:28 -04:00
udp_impl.h
net: Remove iocb argument from sendmsg and recvmsg
2015-03-02 13:06:31 -05:00
udp_offload.c
udp: Set SKB_GSO_UDP_TUNNEL* in UDP GRO path
2015-02-11 15:12:10 -08:00
udp_tunnel.c
udp: Do not require sock in udp_tunnel_xmit_skb
2015-01-24 23:15:40 -08:00
udp.c
net: Remove iocb argument from sendmsg and recvmsg
2015-03-02 13:06:31 -05:00
udplite.c
net: Eliminate no_check from protosw
2014-05-23 16:28:53 -04:00
xfrm4_input.c
xfrm4: Add IPsec protocol multiplexer
2014-02-25 07:04:16 +01:00
xfrm4_mode_beet.c
ipv4: ERROR: code indent should use tabs where possible
2013-12-26 13:43:21 -05:00
xfrm4_mode_transport.c
…
xfrm4_mode_tunnel.c
inetpeer: get rid of ip_id_count
2014-06-02 11:00:41 -07:00
xfrm4_output.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2014-05-24 00:32:30 -04:00
xfrm4_policy.c
net: Remove protocol from struct dst_ops
2015-03-09 16:06:10 -04:00
xfrm4_protocol.c
xfrm4: Remove duplicate semicolon
2014-06-30 07:49:47 +02:00
xfrm4_state.c
inet: make no_pmtu_disc per namespace and kill ipv4_config
2013-12-18 16:58:20 -05:00
xfrm4_tunnel.c
sit: add IPv4 over IPv4 support
2013-05-31 17:19:05 -07:00