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Paolo Abeni 1c76c5d5ff 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 17:06:43 -07:00
..
6lowpan 6lowpan: put mcast compression in an own function 2015-10-21 00:49:25 +02:00
9p IB/cma: Add support for network namespaces 2015-10-28 12:32:48 -04:00
802
8021q vlan: Do not put vlan headers back on bridge and macvlan ports 2015-11-17 14:38:35 -05:00
appletalk
atm atm: deal with setting entry before mkip was called 2015-09-17 22:13:32 -07:00
ax25 ax25: add link layer header validation function 2016-04-20 15:42:00 +09:00
batman-adv batman-adv: Reduce refcnt of removed router when updating route 2016-05-11 11:21:18 +02:00
bluetooth Bluetooth: Fix potential buffer overflow with Add Advertising 2016-04-12 09:08:54 -07:00
bridge bridge: fix igmp / mld query parsing 2016-05-18 17:06:42 -07:00
caif net: rename SOCK_ASYNC_NOSPACE and SOCK_ASYNC_WAITDATA 2015-12-01 15:45:05 -05:00
can can: avoid using timeval for uapi 2015-10-13 17:42:34 +02:00
ceph libceph: don't spam dmesg with stray reply warnings 2016-03-03 15:07:26 -08:00
core net: fix infoleak in rtnetlink 2016-05-18 17:06:41 -07:00
dcb net/dcb: make dcbnl.c explicitly non-modular 2015-10-09 07:52:27 -07:00
dccp tcp/dccp: remove obsolete WARN_ON() in icmp handlers 2016-04-20 15:42:04 +09:00
decnet decnet: Do not build routes to devices without decnet private data. 2016-05-18 17:06:35 -07:00
dns_resolver net: dns_resolver: convert time_t to time64_t 2015-11-18 16:27:46 -05:00
dsa net: dsa: use switchdev obj for VLAN add/del ops 2015-11-01 15:56:11 -05:00
ethernet net: help compiler generate better code in eth_get_headlen 2015-09-28 22:51:15 -07:00
hsr net/hsr: fix a warning message 2015-11-23 14:56:15 -05:00
ieee802154 net: fix percpu memory leaks 2015-11-02 22:47:14 -05:00
ipv4 net/route: enforce hoplimit max value 2016-05-18 17:06:43 -07:00
ipv6 net/route: enforce hoplimit max value 2016-05-18 17:06:43 -07:00
ipx
irda net: add validation for the socket syscall protocol argument 2015-12-14 16:09:30 -05:00
iucv af_iucv: Validate socket address length in iucv_sock_bind() 2016-03-03 15:07:03 -08:00
key af_key: fix two typos 2015-10-23 03:05:19 -07:00
l2tp ipv6: l2tp: fix a potential issue in l2tp_ip6_recv 2016-04-20 15:42:06 +09:00
l3mdev net: Add netif_is_l3_slave 2015-10-07 04:27:43 -07:00
lapb
llc net: fix infoleak in llc 2016-05-18 17:06:40 -07:00
mac80211 mac80211: fix statistics leak if dev_alloc_name() fails 2016-05-11 11:21:13 +02:00
mac802154 mac802154: llsec: use kzfree 2015-10-21 00:49:24 +02:00
mpls mpls: find_outdev: check for err ptr in addition to NULL check 2016-04-20 15:42:07 +09:00
netfilter ipvs: drop first packet to redirect conntrack 2016-05-11 11:21:09 +02:00
netlabel
netlink netlink: don't send NETLINK_URELEASE for unbound sockets 2016-05-04 14:48:45 -07:00
netrom
nfc net: rename SOCK_ASYNC_NOSPACE and SOCK_ASYNC_WAITDATA 2015-12-01 15:45:05 -05:00
openvswitch openvswitch: use flow protocol when recalculating ipv6 checksums 2016-05-18 17:06:36 -07:00
packet packet: fix heap info leak in PACKET_DIAG_MCLIST sock_diag interface 2016-05-18 17:06:35 -07:00
phonet phonet: properly unshare skbs in phonet_rcv() 2016-01-31 11:29:00 -08:00
rds RDS: fix race condition when sending a message on unbound socket 2015-11-24 17:20:09 -05:00
rfkill rfkill: fix rfkill_fop_read wait_event usage 2016-03-03 15:07:26 -08:00
rose
rxrpc net: rename SOCK_ASYNC_NOSPACE and SOCK_ASYNC_WAITDATA 2015-12-01 15:45:05 -05:00
sched netem: Segment GSO packets on enqueue 2016-05-18 17:06:39 -07:00
sctp sctp: lack the check for ports in sctp_v6_cmp_addr 2016-04-20 15:41:58 +09:00
sunrpc sunrpc/cache: drop reference when sunrpc_cache_pipe_upcall() detects a race 2016-05-04 14:48:54 -07:00
switchdev switchdev: Require RTNL mutex to be held when sending FDB notifications 2016-03-03 15:07:04 -08:00
tipc tipc: Revert "tipc: use existing sk_write_queue for outgoing packet chain" 2016-04-20 15:41:58 +09:00
unix unix_diag: fix incorrect sign extension in unix_lookup_by_ino 2016-03-03 15:07:07 -08:00
vmw_vsock VSOCK: do not disconnect socket when peer has shutdown SEND only 2016-05-18 17:06:41 -07:00
wimax
wireless nl80211: check netlink protocol in socket release notification 2016-05-04 14:48:45 -07:00
x25 net: fix a kernel infoleak in x25 module 2016-05-18 17:06:43 -07:00
xfrm xfrm: Fix crash observed during device unregistration and decryption 2016-04-20 15:42:05 +09:00
compat.c
Kconfig net: Introduce L3 Master device abstraction 2015-09-29 20:40:32 -07:00
Makefile net: Introduce L3 Master device abstraction 2015-09-29 20:40:32 -07:00
socket.c net: Fix use after free in the recvmmsg exit path 2016-04-20 15:42:03 +09:00
sysctl_net.c net: sysctl: fix a kmemleak warning 2015-10-23 06:22:08 -07:00