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git.kernel.org/linux-stable/linux-4.5.y
linux-imx/net/ipv4
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Paolo Abeni 8be13acc87 net/route: enforce hoplimit max value 
[ Upstream commit 626abd59e5 ]

Currently, when creating or updating a route, no check is performed
in both ipv4 and ipv6 code to the hoplimit value.

The caller can i.e. set hoplimit to 256, and when such route will
 be used, packets will be sent with hoplimit/ttl equal to 0.

This commit adds checks for the RTAX_HOPLIMIT value, in both ipv4
ipv6 route code, substituting any value greater than 255 with 255.

This is consistent with what is currently done for ADVMSS and MTU
in the ipv4 code.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-18 18:35:08 -07:00
..
netfilter ipv4: Don't do expensive useless work during inetdev destroy. 2016-04-20 15:45:12 +09:00
af_inet.c net: add validation for the socket syscall protocol argument 2015-12-14 16:09:30 -05:00
ah4.c ah4: Fix error return in ah_input(). 2015-08-25 13:38:50 -07:00
arp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-10-20 06:08:27 -07:00
cipso_ipv4.c ipv4: coding style: comparison for inequality with NULL 2015-04-03 12:11:15 -04:00
datagram.c net: Set sk_txhash from a random number 2015-07-29 22:44:04 -07:00
devinet.c ipv4: Don't do expensive useless work during inetdev destroy. 2016-04-20 15:45:12 +09:00
esp4.c esp4: Switch to new AEAD interface 2015-05-28 11:23:20 +08:00
fib_frontend.c ipv4/fib: don't warn when primary address is missing if in_dev is dead 2016-05-18 18:35:03 -07:00
fib_lookup.h ipv4: consider TOS in fib_select_default 2015-07-24 22:46:11 -07:00
fib_rules.c net: ipv6: use common fib_default_rule_pref 2015-09-09 14:19:50 -07:00
fib_semantics.c net/route: enforce hoplimit max value 2016-05-18 18:35:08 -07:00
fib_trie.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-02-01 15:56:08 -08:00
fou.c udp: restrict offloads to one namespace 2016-01-10 17:28:24 -05:00
gre_demux.c gre: Remove support for sharing GRE protocol hook. 2015-08-10 14:03:54 -07:00
gre_offload.c ipv6: gre: support SIT encapsulation 2015-10-26 22:01:18 -07:00
icmp.c Revert "ipv4/icmp: redirect messages can use the ingress daddr as source" 2015-10-14 06:01:07 -07:00
igmp.c mld, igmp: Fix reserved tailroom calculation 2016-03-03 15:41:07 -05:00
inet_connection_sock.c tcp/dccp: fix another race at listener dismantle 2016-02-18 11:35:51 -05:00
inet_diag.c net: diag: support v4mapped sockets in inet_diag_find_one_icsk() 2016-01-20 18:51:31 -08:00
inet_fragment.c inet: kill unused skb_free op 2016-01-05 22:25:57 -05:00
inet_hashtables.c tcp/dccp: fix hashdance race for passive sessions 2015-10-23 05:42:21 -07:00
inet_lro.c
inet_timewait_sock.c tcp/dccp: fix timewait races in timer handling 2015-09-21 16:32:29 -07:00
inetpeer.c net: Add helper function to compare inetpeer addresses 2015-08-28 13:32:36 -07:00
ip_forward.c net: Pass net into dst_output and remove dst_output_okfn 2015-10-08 04:26:54 -07:00
ip_fragment.c inet: frag: Always orphan skbs inside ip_defrag() 2016-01-28 16:00:46 -08:00
ip_gre.c gre: do not pull header in ICMP error processing 2016-05-18 18:35:04 -07:00
ip_input.c ipv4: early demux should be aware of fragments 2016-01-29 15:14:20 -05:00
ip_options.c ipv4: coding style: comparison for inequality with NULL 2015-04-03 12:11:15 -04:00
ip_output.c ipv4: only create late gso-skb if skb is already set up with CHECKSUM_PARTIAL 2016-02-24 14:11:34 -05:00
ip_sockglue.c ipv4: fix memory leaks in ip_cmsg_send() callers 2016-02-13 05:57:39 -05:00
ip_tunnel_core.c ipv4: fix endianness warnings in ip_tunnel_core.c 2016-01-08 21:30:43 -05:00
ip_tunnel.c tunnel: Clear IPCB(skb)->opt before dst_link_failure called 2016-02-23 19:11:56 -05:00
ip_vti.c ip_tunnel: Move stats update to iptunnel_xmit() 2015-12-25 23:32:23 -05:00
ipcomp.c ipv4: coding style: comparison for equality with NULL 2015-04-03 12:11:15 -04:00
ipconfig.c ipv4: ipconfig: avoid unused ic_proto_used symbol 2016-01-29 19:39:09 -08:00
ipip.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-12-31 18:20:10 -05:00
ipmr.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-12-03 21:09:12 -05:00
Kconfig ipv4+ipv6: Make INET*_ESP select CRYPTO_ECHAINIV 2016-01-25 10:45:41 -08:00
Makefile net: drop tcp_memcontrol.c 2016-01-20 17:09:18 -08:00
netfilter.c ipv4: Pass struct net into ip_route_me_harder 2015-09-29 20:21:32 +02:00
ping.c ipv4: fix memory leaks in ip_cmsg_send() callers 2016-02-13 05:57:39 -05:00
proc.c net: track success and failure of TCP PMTU probing 2015-07-21 22:36:33 -07:00
protocol.c net: Export inet_offloads and inet6_offloads 2014-09-19 17:15:31 -04:00
raw.c ipv4: fix memory leaks in ip_cmsg_send() callers 2016-02-13 05:57:39 -05:00
route.c route: do not cache fib route info on local routes with oif 2016-05-18 18:35:00 -07:00
syncookies.c net: Allow accepted sockets to be bound to l3mdev domain 2015-12-18 14:43:38 -05:00
sysctl_net_ipv4.c net: drop tcp_memcontrol.c 2016-01-20 17:09:18 -08:00
tcp_bic.c tcp: add tcp_in_slow_start helper 2015-07-09 14:22:52 -07:00
tcp_cdg.c tcp: do not slow start when cwnd equals ssthresh 2015-07-09 14:22:52 -07:00
tcp_cong.c tcp: remove tcp_ecn_make_synack() socket argument 2015-09-25 13:00:38 -07:00
tcp_cubic.c tcp_cubic: do not set epoch_start in the future 2015-09-17 22:35:07 -07:00
tcp_dctcp.c tcp: allow dctcp alpha to drop to zero 2015-10-23 02:46:52 -07:00
tcp_diag.c net: diag: Support destroying TCP sockets. 2015-12-15 23:26:52 -05:00
tcp_fastopen.c tcp/dccp: fix hashdance race for passive sessions 2015-10-23 05:42:21 -07:00
tcp_highspeed.c tcp: add tcp_in_slow_start helper 2015-07-09 14:22:52 -07:00
tcp_htcp.c tcp: add tcp_in_slow_start helper 2015-07-09 14:22:52 -07:00
tcp_hybla.c tcp: do not slow start when cwnd equals ssthresh 2015-07-09 14:22:52 -07:00
tcp_illinois.c tcp: add tcp_in_slow_start helper 2015-07-09 14:22:52 -07:00
tcp_input.c tcp: do not set rtt_min to 1 2016-02-16 16:07:13 -05:00
tcp_ipv4.c tcp/dccp: remove obsolete WARN_ON() in icmp handlers 2016-04-20 15:45:14 +09:00
tcp_lp.c tcp: remove in_flight parameter from cong_avoid() methods 2014-05-03 19:23:07 -04:00
tcp_metrics.c tcp: convert cached rtt from usec to jiffies when feeding initial rto 2016-02-23 18:28:46 -05:00
tcp_minisocks.c tcp: fix tcpi_segs_in after connection establishment 2016-03-07 15:47:13 -05:00
tcp_offload.c tcp: reserve tcp_skb_mss() to tcp stack 2015-06-11 16:33:10 -07:00
tcp_output.c tcp: refresh skb timestamp at retransmit time 2016-05-18 18:35:08 -07:00
tcp_probe.c tcp: whitespace fixes 2014-09-01 18:12:45 -07:00
tcp_recovery.c tcp: use RACK to detect losses 2015-10-21 07:00:53 -07:00
tcp_scalable.c tcp: add tcp_in_slow_start helper 2015-07-09 14:22:52 -07:00
tcp_timer.c ipv4: Namespecify the tcp_keepalive_intvl sysctl knob 2016-01-10 17:32:09 -05:00
tcp_vegas.c tcp: add tcp_in_slow_start helper 2015-07-09 14:22:52 -07:00
tcp_vegas.h tcp: prepare CC get_info() access from getsockopt() 2015-04-29 17:10:38 -04:00
tcp_veno.c tcp: add tcp_in_slow_start helper 2015-07-09 14:22:52 -07:00
tcp_westwood.c tcp_westwood: fix tcp_westwood_info() 2015-05-05 19:50:09 -04:00
tcp_yeah.c tcp_yeah: don't set ssthresh below 2 2016-01-11 17:25:16 -05:00
tcp.c tcp: correctly crypto_alloc_hash return check 2016-02-17 22:23:04 -05:00
tunnel4.c
udp_diag.c soreuseport: setsockopt SO_ATTACH_REUSEPORT_[CE]BPF 2016-01-04 22:49:59 -05:00
udp_impl.h net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
udp_offload.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-01-11 23:55:43 -05:00
udp_tunnel.c tunnel: Clear IPCB(skb)->opt before dst_link_failure called 2016-02-23 19:11:56 -05:00
udp.c soreuseport: fix ordering for mixed v4/v6 sockets 2016-05-18 18:35:01 -07:00
udplite.c net: Eliminate no_check from protosw 2014-05-23 16:28:53 -04:00
xfrm4_input.c netfilter: Pass net into okfn 2015-09-17 17:18:37 -07:00
xfrm4_mode_beet.c
xfrm4_mode_transport.c
xfrm4_mode_tunnel.c ipv4: hash net ptr into fragmentation bucket selection 2015-03-25 14:07:04 -04:00
xfrm4_output.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-10-24 06:54:12 -07:00
xfrm4_policy.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2015-12-22 16:26:31 -05:00
xfrm4_protocol.c xfrm4: Remove duplicate semicolon 2014-06-30 07:49:47 +02:00
xfrm4_state.c
xfrm4_tunnel.c