Shmulik Ladkani b8ed071432 ipv4: ip_do_fragment: Preserve skb_iif during fragmentation ...

[ Upstream commit d2f0c96114 ]

Previously, during fragmentation after forwarding, skb->skb_iif isn't
preserved, i.e. 'ip_copy_metadata' does not copy skb_iif from given
'from' skb.

As a result, ip_do_fragment's creates fragments with zero skb_iif,
leading to inconsistent behavior.

Assume for example an eBPF program attached at tc egress (post
forwarding) that examines __sk_buff->ingress_ifindex:
 - the correct iif is observed if forwarding path does not involve
   fragmentation/refragmentation
 - a bogus iif is observed if forwarding path involves
   fragmentation/refragmentatiom

Fix, by preserving skb_iif during 'ip_copy_metadata'.

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2019-05-08 07:20:43 +02:00

..

netfilter

netfilter: ipt_CLUSTERIP: check MAC address when duplicate config is set

2019-01-26 09:37:05 +01:00

af_inet.c

gso_segment: Reset skb->mac_len after modifying network header

2018-09-29 03:06:00 -07:00

ah4.c

…

arp.c

arp: fix arp_filter on l3slave devices

2018-04-12 12:32:22 +02:00

cipso_ipv4.c

net: avoid use IPCB in cipso_v4_error

2019-03-13 14:03:09 -07:00

datagram.c

…

devinet.c

…

esp4_offload.c

esp: Fix GRO when the headers not fully in the linear part of the skb.

2018-02-25 11:07:46 +01:00

esp4.c

esp: Skip TX bytes accounting when sending from a request socket

2019-03-23 14:35:14 +01:00

fib_frontend.c

ipv4: Return error for RTA_VIA attribute

2019-03-13 14:03:09 -07:00

fib_lookup.h

…

fib_notifier.c

…

fib_rules.c

…

fib_semantics.c

net: ipv4: update fnhe_pmtu when first hop's MTU changes

2018-10-18 09:16:17 +02:00

fib_trie.c

net: ipv4: Fix memory leak in network namespace dismantle

2019-01-31 08:13:42 +01:00

fou.c

net: fou: do not use guehdr after iptunnel_pull_offloads in gue_udp_recv

2019-04-27 09:35:34 +02:00

gre_demux.c

…

gre_offload.c

net: fix use-after-free in GRO with ESP

2018-07-22 14:28:44 +02:00

icmp.c

net: Add __icmp_send helper.

2019-03-13 14:03:09 -07:00

igmp.c

multicast: do not restore deleted record source filter mode to new one

2018-07-28 07:55:42 +02:00

inet_connection_sock.c

inet: make sure to grab rcu_read_lock before using ireq->ireq_opt

2018-10-18 09:16:21 +02:00

inet_diag.c

inet_diag: fix reporting cgroup classid and fallback to priority

2019-02-27 10:08:07 +01:00

inet_fragment.c

net: IP defrag: encapsulate rbtree defrag code into callable functions

2019-04-27 09:35:40 +02:00

inet_hashtables.c

net/tcp: Fix socket lookups with SO_BINDTODEVICE

2018-07-22 14:28:46 +02:00

inet_timewait_sock.c

soreuseport: initialise timewait reuseport field

2018-05-16 10:10:24 +02:00

inetpeer.c

net: ipv4: use a dedicated counter for icmp_v4 redirect packets

2019-02-23 09:06:42 +01:00

ip_forward.c

…

ip_fragment.c

net: IP defrag: encapsulate rbtree defrag code into callable functions

2019-04-27 09:35:40 +02:00

ip_gre.c

erspan: return PACKET_REJECT when the appropriate tunnel is not found

2018-09-26 08:37:58 +02:00

ip_input.c

vrf: check accept_source_route on the original netdevice

2019-04-17 08:37:48 +02:00

ip_options.c

vrf: check accept_source_route on the original netdevice

2019-04-17 08:37:48 +02:00

ip_output.c

ipv4: ip_do_fragment: Preserve skb_iif during fragmentation

2019-05-08 07:20:43 +02:00

ip_sockglue.c

ip: on queued skb use skb_header_pointer instead of pskb_may_pull

2019-01-23 08:09:47 +01:00

ip_tunnel_core.c

ip_tunnel: don't force DF when MTU is locked

2018-11-23 08:19:25 +01:00

ip_tunnel.c

ip_tunnel: Fix name string concatenate in __ip_tunnel_create()

2018-12-08 13:03:35 +01:00

ip_vti.c

vti4: Fix a ipip packet processing bug in 'IPCOMP' virtual tunnel

2019-03-13 14:03:11 -07:00

ipcomp.c

…

ipconfig.c

ipconfig: Correctly initialise ic_nameservers

2018-08-03 07:50:39 +02:00

ipip.c

…

ipmr.c

ipv4: Fix potential Spectre v1 vulnerability

2019-01-09 17:14:42 +01:00

Kconfig

…

Makefile

…

netfilter.c

…

ping.c

ipv4: fix memory leaks in udp_sendmsg, ping_v4_sendmsg

2018-05-19 10:20:23 +02:00

proc.c

ip: discard IPv4 datagrams with overlapping segments.

2018-09-19 22:43:47 +02:00

protocol.c

…

raw_diag.c

…

raw.c

…

route.c

ipv4: add sanity checks in ipv4_link_failure()

2019-05-02 09:40:33 +02:00

syncookies.c

tcp: handle inet_csk_reqsk_queue_add() failures

2019-03-19 13:13:23 +01:00

sysctl_net_ipv4.c

ipv4: set the tcp_min_rtt_wlen range from 0 to one day

2019-05-02 09:40:34 +02:00

tcp_bbr.c

tcp_bbr: fix bw probing to raise in-flight data for very small BDPs

2018-08-03 07:50:44 +02:00

tcp_bic.c

…

tcp_cdg.c

…

tcp_cong.c

…

tcp_cubic.c

…

tcp_dctcp.c

tcp: Ensure DCTCP reacts to losses

2019-04-17 08:37:47 +02:00

tcp_diag.c

…

tcp_fastopen.c

net: add rb_to_skb() and other rb tree helpers

2018-09-19 22:43:47 +02:00

tcp_highspeed.c

…

tcp_htcp.c

…

tcp_hybla.c

…

tcp_illinois.c

net/tcp/illinois: replace broken algorithm reference link

2018-05-30 07:52:06 +02:00

tcp_input.c

tcp: tcp_grow_window() needs to respect tcp_space()

2019-04-27 09:35:34 +02:00

tcp_ipv4.c

tcp: Don't access TCP_SKB_CB before initializing it

2019-03-19 13:13:23 +01:00

tcp_lp.c

…

tcp_metrics.c

…

tcp_minisocks.c

tcp: do not restart timewait timer on rst reception

2018-09-15 09:45:25 +02:00

tcp_nv.c

tcp_nv: fix potential integer overflow in tcpnv_acked

2018-04-26 11:02:13 +02:00

tcp_offload.c

gso: validate gso_type in GSO handlers

2018-01-31 14:03:47 +01:00

tcp_output.c

tcp: lack of available data can also cause TSO defer

2018-12-17 09:28:55 +01:00

tcp_probe.c

…

tcp_rate.c

…

tcp_recovery.c

…

tcp_scalable.c

…

tcp_timer.c

tcp: purge write queue upon aborting the connection

2018-03-31 18:10:38 +02:00

tcp_ulp.c

tcp, ulp: add alias for all ulp modules

2018-09-15 09:45:29 +02:00

tcp_vegas.c

…

tcp_vegas.h

…

tcp_veno.c

…

tcp_westwood.c

…

tcp_yeah.c

…

tcp.c

tcp: clear icsk_backoff in tcp_write_queue_purge()

2019-02-23 09:06:43 +01:00

tunnel4.c

…

udp_diag.c

udp: fix rx queue len reported by diag and proc interface

2018-06-26 08:06:28 +08:00

udp_impl.h

…

udp_offload.c

net: fix use-after-free in GRO with ESP

2018-07-22 14:28:44 +02:00

udp_tunnel.c

…

udp.c

net: udp: fix handling of CHECKSUM_COMPLETE packets

2018-11-04 14:52:49 +01:00

udplite.c

…

xfrm4_input.c

xfrm: reset transport header back to network header after all input transforms ahave been applied

2018-11-04 14:52:37 +01:00

xfrm4_mode_beet.c

…

xfrm4_mode_transport.c

xfrm: reset transport header back to network header after all input transforms ahave been applied

2018-11-04 14:52:37 +01:00

xfrm4_mode_tunnel.c

…

xfrm4_output.c

…

xfrm4_policy.c

ipv4: lock mtu in fnhe when received PMTU < net.ipv4.route.min_pmtu

2018-05-30 07:52:14 +02:00

xfrm4_protocol.c

…

xfrm4_state.c

…

xfrm4_tunnel.c

…