kernel/linux
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ synced 2026-10-24 19:10:26 +00:00
Code Issues Releases Packages Activity
linux/net/ipv4
History
Paul Moore e5b55e1b09 cipso: don't use IPCB() to locate the CIPSO IP option 
commit 04f81f0154 upstream.

Using the IPCB() macro to get the IPv4 options is convenient, but
unfortunately NetLabel often needs to examine the CIPSO option outside
of the scope of the IP layer in the stack.  While historically IPCB()
worked above the IP layer, due to the inclusion of the inet_skb_param
struct at the head of the {tcp,udp}_skb_cb structs, recent commit
971f10ec ("tcp: better TCP_SKB_CB layout to reduce cache line misses")
reordered the tcp_skb_cb struct and invalidated this IPCB() trick.

This patch fixes the problem by creating a new function,
cipso_v4_optptr(), which locates the CIPSO option inside the IP header
without calling IPCB().  Unfortunately, this isn't as fast as a simple
lookup so some additional tweaks were made to limit the use of this
new function.

Reported-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Paul Moore <pmoore@redhat.com>
Tested-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2015-03-06 14:52:59 -08:00
..
netfilter netfilter: nft_masq: fix uninitialized range in nft_masq_{ipv4, ipv6}_eval 2014-11-10 17:56:28 +01:00
af_inet.c net-timestamp: make tcp_recvmsg call ipv6_recv_error for AF_INET6 socks 2014-11-26 15:45:04 -05:00
ah4.c ipsec: Remove obsolete MAX_AH_AUTH_LEN 2014-09-18 10:54:36 +02:00
arp.c arp: Do not perturb drop profiles with ignored ARP packets 2014-09-28 17:30:35 -04:00
cipso_ipv4.c cipso: don't use IPCB() to locate the CIPSO IP option 2015-03-06 14:52:59 -08:00
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 ipv4: fail early when creating netdev named all or default 2014-07-29 11:43:50 -07:00
esp4.c esp4: Use the IPsec protocol multiplexer API 2014-02-25 07:04:17 +01:00
fib_frontend.c ipv4: Restore accept_local behaviour in fib_validate_source() 2014-08-22 12:23:10 -07:00
fib_lookup.h ipv4: make fib_detect_death static 2013-12-28 17:01:46 -05:00
fib_rules.c ipv4: Fix incorrect error code when adding an unreachable route 2014-11-16 14:11:45 -05:00
fib_semantics.c ipv4: fix nexthop attlen check in fib_nh_match 2014-10-14 15:59:37 -04:00
fib_trie.c list: fix order of arguments for hlist_add_after(_rcu) 2014-08-06 18:01:24 -07:00
fou.c udptunnel: Add SKB_GSO_UDP_TUNNEL during gro_complete. 2014-11-10 15:09:45 -05:00
geneve.c geneve: Fix races between socket add and release. 2015-01-27 08:29:32 -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 2014-12-16 09:39:04 -08:00
icmp.c icmp: add a global rate limitation 2014-09-23 12:47:38 -04:00
igmp.c ipv6: mld: fix add_grhead skb_over_panic for devs with large MTUs 2014-11-16 16:55:06 -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: fix inet_diag_dump_icsk() to use correct state for timewait sockets 2014-01-13 22:35:46 -08:00
inet_fragment.c inet: frags: remove the WARN_ON from inet_evict_bucket 2014-10-29 15:21:30 -04:00
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 2015-02-26 17:49:00 -08:00
ip_fragment.c inet: frags: add __init to ip4_frags_ctl_register 2014-10-01 15:46:19 -04:00
ip_gre.c gre: fix the inner mac header in nbma tunnel xmit path 2015-01-27 08:29:32 -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 ipv4: tcp: get rid of ugly unicast_sock 2015-02-26 17:49:01 -08:00
ip_sockglue.c ip: zero sockaddr returned on error queue 2015-02-26 17:49:00 -08:00
ip_tunnel.c ip_tunnel: Add GUE support 2014-10-03 16:53:33 -07:00
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_vti.c ip_tunnel: the lack of vti_link_ops' dellink() cause kernel panic 2014-11-23 21:11:17 -05:00
ipcomp.c ipcomp4: Use the IPsec protocol multiplexer API 2014-02-25 07:04:17 +01:00
ipconfig.c ipconfig: Use time_before 2014-08-22 12:23:11 -07:00
ipip.c net: better IFF_XMIT_DST_RELEASE support 2014-10-07 13:22:11 -04:00
ipmr.c net: set name_assign_type in alloc_netdev() 2014-07-15 16:12:48 -07:00
Kconfig openvswitch: fix a compilation error when CONFIG_INET is not setW! 2014-10-07 00:10:49 -04:00
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 ping: Fix race in free in receive path 2015-02-26 17:49:01 -08:00
proc.c inet: frag: don't account number of fragment queues 2014-07-27 22:34:36 -07:00
protocol.c net: Export inet_offloads and inet6_offloads 2014-09-19 17:15:31 -04:00
raw.c ipv4: Make IP_MULTICAST_ALL and IP_MSFILTER work on raw sockets 2014-07-23 15:13:26 -07:00
route.c ipv4: try to cache dst_entries which would cause a redirect 2015-02-26 17:49:00 -08:00
syncookies.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-10-18 09:31:37 -07:00
sysctl_net_ipv4.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-10-08 21:40:54 -04:00
tcp.c net-timestamp: make tcp_recvmsg call ipv6_recv_error for AF_INET6 socks 2014-11-26 15:45:04 -05:00
tcp_bic.c tcp: whitespace fixes 2014-09-01 18:12:45 -07:00
tcp_cong.c tcp: Change tcp_slow_start function to return void 2014-09-30 17:09:16 -04:00
tcp_cubic.c tcp: whitespace fixes 2014-09-01 18:12:45 -07:00
tcp_dctcp.c net: tcp: add DCTCP congestion control algorithm 2014-09-29 00:13:10 -04:00
tcp_diag.c tcp: whitespace fixes 2014-09-01 18:12:45 -07:00
tcp_fastopen.c tcp: remove unnecessary assignment. 2014-09-29 12:31:12 -04:00
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: Restore RFC5961-compliant behavior for SYN packets 2014-11-21 15:33:50 -05:00
tcp_ipv4.c ipv4: tcp: get rid of ugly unicast_sock 2015-02-26 17:49:01 -08:00
tcp_lp.c tcp: remove in_flight parameter from cong_avoid() methods 2014-05-03 19:23:07 -04:00
tcp_memcontrol.c percpu_counter: add @gfp to percpu_counter_init() 2014-09-08 09:51:29 +09:00
tcp_metrics.c tcp: don't allow syn packets without timestamps to pass tcp_tw_recycle logic 2014-08-14 14:38:54 -07:00
tcp_minisocks.c tcp: change TCP_ECN prefixes to lower case 2014-09-29 14:41:22 -04:00
tcp_offload.c net: Remove gso_send_check as an offload callback 2014-09-26 00:22:47 -04:00
tcp_output.c tcp: Do not apply TSO segment limit to non-TSO packets 2015-01-27 08:29:33 -08:00
tcp_probe.c tcp: whitespace fixes 2014-09-01 18:12:45 -07:00
tcp_scalable.c tcp: whitespace fixes 2014-09-01 18:12:45 -07:00
tcp_timer.c tcp: abort orphan sockets stalling on zero window probes 2014-10-01 16:27:52 -04:00
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: whitespace fixes 2014-09-01 18:12:45 -07:00
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: whitespace fixes 2014-09-01 18:12:45 -07:00
tunnel4.c net: Convert printks to pr_<level> 2012-03-11 23:42:51 -07:00
udp.c net: merge cases where sock_efree and sock_edemux are the same function 2014-09-05 17:43:45 -07:00
udp_diag.c udp_diag: Fix socket skipping within chain 2015-02-26 17:49:01 -08:00
udp_impl.h net: ipv4/ipv6: Remove extern from function prototypes 2013-10-19 19:12:11 -04:00
udp_offload.c net: gso: use feature flag argument in all protocol gso handlers 2014-10-20 12:38:12 -04:00
udp_tunnel.c udp-tunnel: Add a few more UDP tunnel APIs 2014-09-19 15:57:15 -04:00
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 [IPSEC]: Use IPv6 calling convention as the convention for x->mode->output 2007-10-10 16:55:54 -07:00
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 xfrm: Introduce xfrm_input_afinfo to access the the callbacks properly 2014-03-14 07:28:07 +01:00
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