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linux/net/ipv4
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Paolo Abeni 626abd59e5 net/route: enforce hoplimit max value 
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>
2016-05-14 15:33:32 -04:00
..
netfilter
netfilter: arp_tables: register table in initns
2016-04-07 11:58:49 +02:00
af_inet.c
net: ipv4: Fix truncated timestamp returned by inet_current_timestamp()
2016-03-21 22:56:38 -04:00
ah4.c
ah4: Fix error return in ah_input().
2015-08-25 13:38:50 -07:00
arp.c
arp: correct return value of arp_rcv
2016-03-07 14:55:04 -05:00
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.
2016-03-13 23:28:35 -04:00
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
2016-04-24 23:26:29 -04:00
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
2016-05-14 15:33:32 -04:00
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_offload: Set encapsulation before inner completes.
2016-05-06 18:25:26 -04:00
gre_demux.c
gre: Remove support for sharing GRE protocol hook.
2015-08-10 14:03:54 -07:00
gre_offload.c
GRE: Disable segmentation offloads w/ CSUM and we are encapsulated via FOU
2016-04-07 16:56:33 -04:00
icmp.c
net: ipv4: Convert IP network timestamps to be y2038 safe
2016-03-01 17:18:44 -05:00
igmp.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-03-08 12:34:12 -05:00
inet_connection_sock.c
soreuseport: fix merge conflict in tcp bind
2016-02-24 13:38:18 -05:00
inet_diag.c
net: diag: add a scheduling point in inet_diag_dump_icsk()
2016-03-14 19:38:09 -04:00
inet_fragment.c
inet: kill unused skb_free op
2016-01-05 22:25:57 -05:00
inet_hashtables.c
soreuseport: Fix TCP listener hash collision
2016-05-01 19:36:54 -04:00
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: remove skb_sender_cpu_clear()
2016-03-01 17:36:47 -05:00
ip_fragment.c
net: Export ip fragment sysctl to unprivileged users
2016-02-16 20:42:54 -05:00
ip_gre.c
gre: do not keep the GRE header around in collect medata mode
2016-05-11 15:16:32 -04:00
ip_input.c
ipv4: namespacify ip_early_demux sysctl knob
2016-02-16 20:42:54 -05:00
ip_options.c
net: ipv4: Convert IP network timestamps to be y2038 safe
2016-03-01 17:18:44 -05:00
ip_output.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-03-08 12:34:12 -05:00
ip_sockglue.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-02-23 00:09:14 -05:00
ip_tunnel_core.c
Fix returned tc and hoplimit values for route with IPv6 encapsulation
2016-03-27 22:35:02 -04:00
ip_tunnel.c
ip_tunnel: fix preempt warning in ip tunnel creation/updating
2016-04-29 14:11:46 -04:00
ip_vti.c
vti: Add pmtu handling to vti_xmit.
2016-03-31 08:59:56 +02:00
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
iptunnel: scrub packet in iptunnel_pull_header
2016-02-18 14:34:54 -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: Remove inet_lro library
2016-02-17 16:15:46 -05:00
Makefile
ipv4: Remove inet_lro library
2016-02-17 16:15:46 -05:00
netfilter.c
ipv4: Pass struct net into ip_route_me_harder
2015-09-29 20:21:32 +02:00
ping.c
net/ipv4: remove left over dead code
2016-03-02 15:00:55 -05:00
proc.c
ipv4: Namespaceify ip_default_ttl sysctl knob
2016-02-16 20:42:54 -05:00
protocol.c
net: Export inet_offloads and inet6_offloads
2014-09-19 17:15:31 -04:00
raw.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-02-23 00:09:14 -05:00
route.c
route: do not cache fib route info on local routes with oif
2016-04-13 23:33:01 -04:00
syncookies.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2016-03-19 10:05:34 -07:00
sysctl_net_ipv4.c
ipv4: namespacify ip_early_demux sysctl knob
2016-02-16 20:42:54 -05:00
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
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2016-03-19 10:05:34 -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: Merge tx_flags and tskey in tcp_shifted_skb
2016-04-21 14:40:55 -04:00
tcp_ipv4.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2016-03-19 10:05:34 -07:00
tcp_lp.c
tcp: remove in_flight parameter from cong_avoid() methods
2014-05-03 19:23:07 -04:00
tcp_metrics.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-03-08 12:34:12 -05:00
tcp_minisocks.c
tcp: Add RFC4898 tcpEStatsPerfDataSegsOut/In
2016-03-14 14:55:26 -04:00
tcp_offload.c
net: Store checksum result for offloaded GSO checksums
2016-02-11 08:55:33 -05:00
tcp_output.c
tcp: refresh skb timestamp at retransmit time
2016-05-10 15:58:41 -04:00
tcp_probe.c
net: ipv4: tcp_probe: Replace timespec with timespec64
2016-03-01 17:18:44 -05:00
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: Namespaceify tcp_orphan_retries sysctl knob
2016-02-07 14:35:11 -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
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2016-03-19 10:05:34 -07:00
tunnel4.c
net: Convert printks to pr_<level>
2012-03-11 23:42:51 -07:00
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
udp_offload: Set encapsulation before inner completes.
2016-05-06 18:25:26 -04:00
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
2016-04-14 21:14:03 -04:00
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
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
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
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