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linux/net/ipv4
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Steffen Klassert fee4dfbda6 esp: Fix possible buffer overflow in ESP transformation 
commit ebe48d368e97d007bfeb76fcb065d6cfc4c96645 upstream.

The maximum message size that can be send is bigger than
the  maximum site that skb_page_frag_refill can allocate.
So it is possible to write beyond the allocated buffer.

Fix this by doing a fallback to COW in that case.

v2:

Avoid get get_order() costs as suggested by Linus Torvalds.

Fixes: cac2661c53f3 ("esp4: Avoid skb_cow_data whenever possible")
Fixes: 03e2a30f6a27 ("esp6: Avoid skb_cow_data whenever possible")
Reported-by: valis <sec@valis.email>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Vaibhav Rustagi <vaibhavrustagi@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-03-28 08:46:44 +02:00
..
bpfilter
…
netfilter
netfilter: ipt_CLUSTERIP: fix refcount leak in clusterip_tg_check()
2022-01-27 09:19:35 +01:00
af_inet.c
gso: do not skip outer ip header in case of ipip and net_failover
2022-03-02 11:41:06 +01:00
ah4.c
xfrm: remove type and offload_type map from xfrm_state_afinfo
2019-06-06 08:34:50 +02:00
arp.c
Exempt multicast addresses from five-second neighbor lifetime
2020-11-24 13:28:56 +01:00
cipso_ipv4.c
net: ipv4: fix memory leak in netlbl_cipsov4_add_std
2021-06-23 14:41:24 +02:00
datagram.c
inet: stop leaking jiffies on the wire
2019-11-01 14:57:52 -07:00
devinet.c
net: return correct error code
2021-12-08 09:01:09 +01:00
esp4_offload.c
esp: delete NETIF_F_SCTP_CRC bit from features for esp offload
2021-04-14 08:24:13 +02:00
esp4.c
esp: Fix possible buffer overflow in ESP transformation
2022-03-28 08:46:44 +02:00
fib_frontend.c
ipv4: convert fib_num_tclassid_users to atomic_t
2021-12-08 09:01:12 +01:00
fib_lookup.h
ipv4: Use accessors for fib_info nexthop data
2019-06-04 19:26:49 -07:00
fib_notifier.c
…
fib_rules.c
ipv6: fix memory leak in fib6_rule_suppress
2021-12-08 09:01:13 +01:00
fib_semantics.c
ipv4: avoid quadratic behavior in netns dismantle
2022-01-27 09:19:53 +01:00
fib_trie.c
ipv4: Silence suspicious RCU usage warning
2020-09-12 14:18:54 +02:00
fou.c
fou: Fix IPv6 netlink policy
2020-01-29 16:45:22 +01:00
gre_demux.c
erspan: fix version 1 check in gre_parse_header()
2021-01-12 20:16:15 +01:00
gre_offload.c
net: gre: recompute gre csum for sctp over gre tunnels
2020-08-11 15:33:40 +02:00
icmp.c
ipv4/icmp: l3mdev: Perform icmp error route lookup on source device routing table (v2)
2021-09-12 08:56:40 +02:00
igmp.c
igmp: Add ip_mc_list lock in ip_check_mc_rcu
2021-09-12 08:56:40 +02:00
inet_connection_sock.c
tcp: relookup sock for RST+ACK packets handled by obsolete req sock
2021-03-30 14:35:26 +02:00
inet_diag.c
inet_diag: fix kernel-infoleak for UDP sockets
2021-12-22 09:29:36 +01:00
inet_fragment.c
inet: frags: annotate races around fqdir->dead and fqdir->high_thresh
2022-01-27 09:19:54 +01:00
inet_hashtables.c
net: prefer socket bound to interface when not in VRF
2021-10-13 10:08:20 +02:00
inet_timewait_sock.c
…
inetpeer.c
inetpeer: fix data-race in inet_putpeer / inet_putpeer
2020-01-04 19:18:39 +01:00
ip_forward.c
ipv4: Revert removal of rt_uses_gateway
2019-09-20 18:23:33 -07:00
ip_fragment.c
inet: frags: annotate races around fqdir->dead and fqdir->high_thresh
2022-01-27 09:19:54 +01:00
ip_gre.c
gre: Don't accidentally set RTO_ONLINK in gre_fill_metadata_dst()
2022-01-27 09:19:54 +01:00
ip_input.c
netfilter: drop bridge nf reset from nf_reset
2019-10-01 18:42:15 +02:00
ip_options.c
netfilter: nf_tables: add support for matching IPv4 options
2019-06-21 18:35:51 +02:00
ip_output.c
ipv4: tcp: send zero IPID in SYNACK messages
2022-02-01 17:24:39 +01:00
ip_sockglue.c
…
ip_tunnel_core.c
ip_tunnel: allow not to count pkts on tstats by setting skb's dev to NULL
2019-06-18 20:48:45 -04:00
ip_tunnel.c
net: Set true network header for ECN decapsulation
2021-08-04 12:27:39 +02:00
ip_vti.c
ip_vti: receive ipip packet by calling ip_tunnel_rcv
2020-06-03 08:21:34 +02:00
ipcomp.c
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
2019-07-05 15:01:15 -07:00
ipconfig.c
net: ipconfig: Don't override command-line hostnames or domains
2021-06-18 09:58:59 +02:00
ipip.c
net: ipip: fix wrong address family in init error path
2020-06-03 08:20:52 +02:00
ipmr_base.c
…
ipmr.c
ipmr,ip6mr: acquire RTNL before calling ip[6]mr_free_table() on failure path
2022-02-16 12:52:51 +01:00
Kconfig
vti[6]: fix packet tx through bpf_redirect() in XinY cases
2020-04-01 11:02:05 +02:00
Makefile
net: Initial nexthop code
2019-05-28 21:37:30 -07:00
metrics.c
…
netfilter.c
netfilter: use actual socket sk rather than skb sk when routing harder
2020-11-18 19:20:17 +01:00
netlink.c
…
nexthop.c
net: nexthop: release IPv6 per-cpu dsts when replacing a nexthop group
2021-12-01 09:23:33 +01:00
ping.c
ping: remove pr_err from ping_lookup
2022-03-02 11:41:05 +01:00
proc.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-06-17 20:20:36 -07:00
protocol.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
raw_diag.c
inet_diag: return classid for all socket types
2020-03-18 07:17:38 +01:00
raw.c
ipv4: raw: lock the socket in raw_bind()
2022-02-01 17:24:39 +01:00
route.c
ipv4: use siphash instead of Jenkins in fnhe_hashfun()
2021-11-02 19:46:11 +01:00
syncookies.c
net: Update window_clamp if SOCK_RCVBUF is set
2020-11-18 19:20:32 +01:00
sysctl_net_ipv4.c
tcp: correct read of TFO keys on big endian systems
2020-08-19 08:16:23 +02:00
tcp_bbr.c
tcp_bbr: fix u32 wrap bug in round logic if bbr_init() called after 2B packets
2021-08-18 08:57:01 +02:00
tcp_bic.c
…
tcp_bpf.c
tcp_bpf: Fix one concurrency problem in the tcp_bpf_send_verdict function
2021-11-02 19:46:13 +01:00
tcp_cdg.c
…
tcp_cong.c
net: Only allow init netns to set default tcp cong to a restricted algo
2021-05-14 09:44:33 +02:00
tcp_cubic.c
tcp_cubic: fix spurious Hystart ACK train detections for not-cwnd-limited flows
2021-12-01 09:23:33 +01:00
tcp_dctcp.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
tcp_dctcp.h
…
tcp_diag.c
tcp: annotate tp->write_seq lockless reads
2019-10-13 10:13:08 -07:00
tcp_fastopen.c
tcp: enable data-less, empty-cookie SYN with TFO_SERVER_COOKIE_NOT_REQD
2021-09-22 12:26:33 +02:00
tcp_highspeed.c
…
tcp_htcp.c
…
tcp_hybla.c
…
tcp_illinois.c
…
tcp_input.c
tcp: fix tp->undo_retrans accounting in tcp_sacktag_one()
2021-09-22 12:26:42 +02:00
tcp_ipv4.c
tcp: seq_file: Avoid skipping sk during tcp_seek_last_pos
2021-09-15 09:47:32 +02:00
tcp_lp.c
…
tcp_metrics.c
…
tcp_minisocks.c
tcp: relookup sock for RST+ACK packets handled by obsolete req sock
2021-03-30 14:35:26 +02:00
tcp_nv.c
…
tcp_offload.c
net, gro: Set inner transport header offset in tcp/udp GRO hook
2021-08-12 13:20:56 +02:00
tcp_output.c
ipv6: tcp: drop silly ICMPv6 packet too big messages
2021-07-25 14:35:15 +02:00
tcp_rate.c
…
tcp_recovery.c
tcp: fix TLP timer not set when CA_STATE changes from DISORDER to OPEN
2021-02-03 23:26:02 +01:00
tcp_scalable.c
…
tcp_timer.c
tcp: make TCP_USER_TIMEOUT accurate for zero window probes
2021-02-07 15:35:47 +01:00
tcp_ulp.c
bpf: Sockmap/tls, push write_space updates through ulp updates
2020-01-23 08:22:45 +01:00
tcp_vegas.c
…
tcp_vegas.h
…
tcp_veno.c
…
tcp_westwood.c
…
tcp_yeah.c
…
tcp.c
tcp: make tcp_read_sock() more robust
2022-03-19 13:40:17 +01:00
tunnel4.c
…
udp_diag.c
inet_diag: return classid for all socket types
2020-03-18 07:17:38 +01:00
udp_impl.h
…
udp_offload.c
net, gro: Set inner transport header offset in tcp/udp GRO hook
2021-08-12 13:20:56 +02:00
udp_tunnel.c
…
udp.c
net: udp: fix alignment problem in udp4_seq_show()
2022-01-11 15:23:33 +01:00
udplite.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
xfrm4_input.c
…
xfrm4_output.c
xfrm: Always set XFRM_TRANSFORMED in xfrm{4,6}_output_finish
2020-04-29 16:33:11 +02:00
xfrm4_policy.c
net: add bool confirm_neigh parameter for dst_ops.update_pmtu
2020-01-04 19:18:58 +01:00
xfrm4_protocol.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
xfrm4_state.c
xfrm: remove eth_proto value from xfrm_state_afinfo
2019-06-06 08:34:50 +02:00
xfrm4_tunnel.c
xfrm: remove type and offload_type map from xfrm_state_afinfo
2019-06-06 08:34:50 +02:00