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linux/net/ipv6
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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
..
ila ipv6/ila: fix nlsize calculation for lwtunnel 2016-05-03 16:21:33 -04:00
netfilter netfilter: x_tables: enforce nul-terminated table name from getsockopt GET_ENTRIES 2016-03-28 17:59:24 +02:00
addrconf.c net: ipv6: Delete host routes on an ifdown 2016-04-26 11:48:26 -04:00
addrconf_core.c ipv6: change ipv6_stub_impl.ipv6_dst_lookup to take net argument 2015-07-31 15:21:30 -07:00
addrlabel.c ipv6/addrlabel: fix ip6addrlbl_get() 2015-12-22 15:57:54 -05:00
af_inet6.c sock: struct proto hash function may error 2016-02-11 03:54:14 -05:00
ah6.c ah6: fix error return code 2015-08-25 13:37:31 -07:00
anycast.c ipv6: coding style: comparison for equality with NULL 2015-03-31 13:51:54 -04:00
datagram.c ipv6: udp: Do a route lookup and update during release_cb 2016-04-14 16:29:53 -04:00
esp6.c esp6: Switch to new AEAD interface 2015-05-28 11:23:20 +08:00
exthdrs.c ipv6: add complete rcu protection around np->opt 2015-12-02 23:37:16 -05:00
exthdrs_core.c ipv6: re-enable fragment header matching in ipv6_find_hdr 2016-03-03 16:35:20 -05:00
exthdrs_offload.c ipv6: fix exthdrs offload registration in out_rt path 2015-09-02 15:31:00 -07:00
fib6_rules.c ipv6: fix the incorrect return value of throw route 2015-10-23 02:38:18 -07:00
icmp.c net: ipv6: tcp reset, icmp need to consider L3 domain 2016-05-06 15:49:07 -04:00
inet6_connection_sock.c soreuseport: fast reuseport TCP socket selection 2016-02-11 03:54:15 -05:00
inet6_hashtables.c soreuseport: fast reuseport TCP socket selection 2016-02-11 03:54:15 -05:00
ip6_checksum.c ipv6: Pass proto to csum_ipv6_magic as __u8 instead of unsigned short 2016-03-13 23:55:13 -04:00
ip6_fib.c ipv6: per netns FIB garbage collection 2016-03-08 15:16:51 -05:00
ip6_flowlabel.c ipv6: fix a lockdep splat 2016-02-08 10:33:32 -05:00
ip6_gre.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-03-08 12:34:12 -05:00
ip6_icmp.c
ip6_input.c ipv4: namespacify ip_early_demux sysctl knob 2016-02-16 20:42:54 -05:00
ip6_offload.c tunnels: Don't apply GRO to multiple layers of encapsulation. 2016-03-20 16:33:40 -04:00
ip6_offload.h
ip6_output.c ipv6: Count in extension headers in skb->network_header 2016-04-07 22:41:37 -04:00
ip6_tunnel.c ip6_tunnel: set rtnl_link_ops before calling register_netdevice 2016-04-05 19:48:51 -04:00
ip6_udp_tunnel.c ip_tunnel: add support for setting flow label via collect metadata 2016-03-11 15:14:26 -05:00
ip6_vti.c net: replace dst_cache ip6_tunnel implementation with the generic one 2016-02-16 20:21:48 -05:00
ip6mr.c net: ipmr, ip6mr: fix vif/tunnel failure race condition 2015-11-24 17:15:56 -05:00
ipcomp6.c
ipv6_sockglue.c ipv6: add complete rcu protection around np->opt 2015-12-02 23:37:16 -05:00
Kconfig net: replace dst_cache ip6_tunnel implementation with the generic one 2016-02-16 20:21:48 -05:00
Makefile ila: Create net/ipv6/ila directory 2015-12-15 23:25:20 -05:00
mcast.c mld, igmp: Fix reserved tailroom calculation 2016-03-03 15:41:07 -05:00
mcast_snoop.c net: fix wrong skb_get() usage / crash in IGMP/MLD parsing code 2015-08-13 17:08:39 -07:00
mip6.c ipv6: use ktime_t for internal timestamps 2015-10-05 03:16:47 -07:00
ndisc.c ipv6: add option to drop unsolicited neighbor advertisements 2016-02-11 04:27:36 -05:00
netfilter.c ipv6: Pass struct net into ip6_route_me_harder 2015-09-29 20:21:32 +02:00
output_core.c ipv4, ipv6: Pass net into ip_local_out and ip6_local_out 2015-10-08 04:27:02 -07:00
ping.c net: ping: make ping_v6_sendmsg static 2016-03-23 22:09:58 -04:00
proc.c udp: Increment UDP_MIB_IGNOREDMULTI for arriving unmatched multicasts 2014-11-07 15:45:50 -05:00
protocol.c net: Export inet_offloads and inet6_offloads 2014-09-19 17:15:31 -04:00
raw.c ipv6: add IPV6_HDRINCL option for raw sockets 2015-12-17 15:12:28 -05:00
reassembly.c net: use skb_postpush_rcsum instead of own implementations 2016-02-19 23:43:10 -05:00
route.c net/route: enforce hoplimit max value 2016-05-14 15:33:32 -04:00
sit.c tunnels: Remove encapsulation offloads on decap. 2016-03-20 16:33:40 -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_ipv6.c ipv6: Implement different admin modes for automatic flow labels 2015-07-31 17:07:11 -07:00
tcp_ipv6.c net: ipv6: tcp reset, icmp need to consider L3 domain 2016-05-06 15:49:07 -04:00
tcpv6_offload.c tcp: cleanup static functions 2015-02-28 16:56:51 -05:00
tunnel6.c ipv6: fix tunnel error handling 2015-11-03 10:52:13 -05:00
udp.c ipv6: udp: Do a route lookup and update during release_cb 2016-04-14 16:29:53 -04:00
udp_impl.h net: Remove iocb argument from sendmsg and recvmsg 2015-03-02 13:06:31 -05:00
udp_offload.c GSO: Provide software checksum of tunneled UDP fragmentation offload 2016-02-26 14:23:35 -05:00
udplite.c
xfrm6_input.c netfilter: Pass struct net into the netfilter hooks 2015-09-17 17:18:37 -07:00
xfrm6_mode_beet.c xfrm: simplify xfrm_address_t use 2015-03-31 13:58:35 -04:00
xfrm6_mode_ro.c
xfrm6_mode_transport.c
xfrm6_mode_tunnel.c ipv6: update skb->csum when CE mark is propagated 2016-01-15 15:07:23 -05:00
xfrm6_output.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-10-24 06:54:12 -07:00
xfrm6_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
xfrm6_protocol.c
xfrm6_state.c
xfrm6_tunnel.c