Eric Dumazet 70741861fc tcp: avoid integer overflows in tcp_rcv_space_adjust() ...

commit 607065bad9 upstream.

When using large tcp_rmem[2] values (I did tests with 500 MB),
I noticed overflows while computing rcvwin.

Lets fix this before the following patch.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Wei Wang <weiwan@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[Backport: sysctl_tcp_rmem is not Namespace-ify'd in older kernels]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2018-06-06 16:46:21 +02:00

..

netfilter

netfilter: nf_nat_h323: fix logical-not-parentheses warning

2018-04-08 11:51:57 +02:00

af_inet.c

net: ping: do not abuse udp_poll()

2017-06-14 13:16:19 +02:00

ah4.c

ipsec: check return value of skb_to_sgvec always

2018-04-13 19:50:23 +02:00

arp.c

arp: fix arp_filter on l3slave devices

2018-04-13 19:50:24 +02:00

cipso_ipv4.c

tcp/dccp: fix ireq->opt races

2017-11-18 11:11:06 +01:00

datagram.c

net: Set sk_txhash from a random number

2015-07-29 22:44:04 -07:00

devinet.c

ipv4: igmp: guard against silly MTU values

2018-01-02 20:33:24 +01:00

esp4.c

ipsec: check return value of skb_to_sgvec always

2018-04-13 19:50:23 +02:00

fib_frontend.c

ipv4: Fix use-after-free when flushing FIB tables

2018-01-02 20:33:26 +01:00

fib_lookup.h

ipv4: consider TOS in fib_select_default

2015-07-24 22:46:11 -07:00

fib_rules.c

net: ipv6: use common fib_default_rule_pref

2015-09-09 14:19:50 -07:00

fib_semantics.c

fib_semantics: Don't match route with mismatching tclassid

2018-03-11 16:19:45 +01:00

fib_trie.c

net: Improve handling of failures on link and route dumps

2017-06-07 12:05:58 +02:00

fou.c

net: add recursion limit to GRO

2016-11-15 07:46:38 +01:00

gre_demux.c

gre: Remove support for sharing GRE protocol hook.

2015-08-10 14:03:54 -07:00

gre_offload.c

net: add recursion limit to GRO

2016-11-15 07:46:38 +01:00

icmp.c

Revert "ipv4/icmp: redirect messages can use the ingress daddr as source"

2015-10-14 06:01:07 -07:00

igmp.c

net: igmp: add a missing rcu locking section

2018-02-16 20:09:37 +01:00

inet_connection_sock.c

tcp/dccp: fix other lockdep splats accessing ireq_opt

2017-11-18 11:11:07 +01:00

inet_diag.c

tcp/dccp: install syn_recv requests into ehash table

2015-10-03 04:32:41 -07:00

inet_fragment.c

net: Fix hlist corruptions in inet_evict_bucket()

2018-03-31 18:12:33 +02:00

inet_hashtables.c

tcp/dccp: fix hashdance race for passive sessions

2015-10-23 05:42:21 -07:00

inet_lro.c

lro: remove dead code

2013-12-29 16:34:25 -05:00

inet_timewait_sock.c

soreuseport: initialise timewait reuseport field

2018-05-16 10:06:50 +02:00

inetpeer.c

net: Add helper function to compare inetpeer addresses

2015-08-28 13:32:36 -07:00

ip_forward.c

net: Pass net into dst_output and remove dst_output_okfn

2015-10-08 04:26:54 -07:00

ip_fragment.c

inet: frag: release spinlock before calling icmp_send()

2017-12-25 14:22:11 +01:00

ip_gre.c

vxlan, gre, geneve: Set a large MTU on ovs-created tunnel devices

2016-06-24 10:18:18 -07:00

ip_input.c

ipv4: Pass struct net into ip_defrag and ip_check_defrag

2015-10-12 19:44:16 -07:00

ip_options.c

ipv4: coding style: comparison for inequality with NULL

2015-04-03 12:11:15 -04:00

ip_output.c

net: test tailroom before appending to linear skb

2018-05-26 08:48:57 +02:00

ip_sockglue.c

net: Only honor ifindex in IP_PKTINFO if non-0

2018-03-31 18:12:33 +02:00

ip_tunnel_core.c

tunnels: Remove encapsulation offloads on decap.

2016-10-31 04:13:59 -06:00

ip_tunnel.c

ip_tunnel: better validate user provided tunnel names

2018-04-13 19:50:26 +02:00

ip_vti.c

Revert "vti4: Don't override MTU passed on link creation via IFLA_MTU"

2018-05-30 22:11:35 +02:00

ipcomp.c

ipv4: coding style: comparison for equality with NULL

2015-04-03 12:11:15 -04:00

ipconfig.c

ipv4: ipconfig: avoid unused ic_proto_used symbol

2018-02-25 11:03:47 +01:00

ipip.c

ipip: only increase err_count for some certain type icmp in ipip_err

2017-11-18 11:11:06 +01:00

ipmr.c

ipmr, ip6mr: fix scheduling while atomic and a deadlock with ipmr_get_route

2016-11-15 07:46:37 +01:00

Kconfig

ip_tunnel: replace dst_cache with generic implementation

2018-02-28 10:17:21 +01:00

Makefile

tcp: track the packet timings in RACK

2015-10-21 07:00:48 -07:00

netfilter.c

netfilter: use skb_to_full_sk in ip_route_me_harder

2018-03-18 11:17:51 +01:00

ping.c

ipv4: fix memory leaks in udp_sendmsg, ping_v4_sendmsg

2018-05-26 08:48:46 +02:00

proc.c

net: track success and failure of TCP PMTU probing

2015-07-21 22:36:33 -07:00

protocol.c

net: Export inet_offloads and inet6_offloads

2014-09-19 17:15:31 -04:00

raw.c

net: ipv4: fix for a race condition in raw_sendmsg

2018-01-02 20:33:25 +01:00

route.c

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

2018-05-30 07:49:04 +02:00

syncookies.c

tcp/dccp: fix ireq->opt races

2017-11-18 11:11:06 +01:00

sysctl_net_ipv4.c

ipv4: use the right lock for ping_group_range

2016-11-15 07:46:38 +01:00

tcp_bic.c

tcp: add tcp_in_slow_start helper

2015-07-09 14:22:52 -07:00

tcp_cdg.c

tcp: do not slow start when cwnd equals ssthresh

2015-07-09 14:22:52 -07:00

tcp_cong.c

tcp: disallow cwnd undo when switching congestion control

2017-06-14 13:16:19 +02:00

tcp_cubic.c

tcp_cubic: do not set epoch_start in the future

2015-09-17 22:35:07 -07:00

tcp_dctcp.c

dctcp: avoid bogus doubling of cwnd after loss

2016-11-21 10:06:39 +01:00

tcp_diag.c

tcp: ensure proper barriers in lockless contexts

2015-11-15 18:36:38 -05:00

tcp_fastopen.c

tcp: initialize max window for a new fastopen socket

2017-02-04 09:45:09 +01:00

tcp_highspeed.c

tcp: add tcp_in_slow_start helper

2015-07-09 14:22:52 -07:00

tcp_htcp.c

tcp: add tcp_in_slow_start helper

2015-07-09 14:22:52 -07:00

tcp_hybla.c

tcp: do not slow start when cwnd equals ssthresh

2015-07-09 14:22:52 -07:00

tcp_illinois.c

net/tcp/illinois: replace broken algorithm reference link

2018-05-30 07:49:02 +02:00

tcp_input.c

tcp: avoid integer overflows in tcp_rcv_space_adjust()

2018-06-06 16:46:21 +02:00

tcp_ipv4.c

tcp md5sig: Use skb's saddr when replying to an incoming segment

2018-01-02 20:33:25 +01:00

tcp_lp.c

tcp: fix wraparound issue in tcp_lp

2017-05-14 13:32:58 +02:00

tcp_memcontrol.c

memcg: cleanup static keys decrement

2015-02-12 18:54:10 -08:00

tcp_metrics.c

tcp: convert cached rtt from usec to jiffies when feeding initial rto

2016-04-20 15:41:56 +09:00

tcp_minisocks.c

tcp: do not inherit fastopen_req from parent

2017-05-14 13:32:58 +02:00

tcp_offload.c

tcp: reserve tcp_skb_mss() to tcp stack

2015-06-11 16:33:10 -07:00

tcp_output.c

tcp: purge write queue in tcp_connect_init()

2018-05-26 08:48:58 +02:00

tcp_probe.c

tcp: whitespace fixes

2014-09-01 18:12:45 -07:00

tcp_recovery.c

tcp: use RACK to detect losses

2015-10-21 07:00:53 -07:00

tcp_scalable.c

tcp: add tcp_in_slow_start helper

2015-07-09 14:22:52 -07:00

tcp_timer.c

net: tcp: close sock if net namespace is exiting

2018-01-31 12:06:14 +01:00

tcp_vegas.c

tcp: fix under-evaluated ssthresh in TCP Vegas

2017-12-25 14:22:15 +01:00

tcp_vegas.h

tcp: prepare CC get_info() access from getsockopt()

2015-04-29 17:10:38 -04:00

tcp_veno.c

tcp: add tcp_in_slow_start helper

2015-07-09 14:22:52 -07:00

tcp_westwood.c

tcp_westwood: fix tcp_westwood_info()

2015-05-05 19:50:09 -04:00

tcp_yeah.c

tcp: cwnd does not increase in TCP YeAH

2016-09-30 10:18:34 +02:00

tcp.c

tcp: ignore Fast Open on repair mode

2018-05-26 08:48:48 +02:00

tunnel4.c

net: Convert printks to pr_<level>

2012-03-11 23:42:51 -07:00

udp_diag.c

sock_diag: specify info_size per inet protocol

2015-06-15 19:49:22 -07:00

udp_impl.h

net: Remove iocb argument from sendmsg and recvmsg

2015-03-02 13:06:31 -05:00

udp_offload.c

net: avoid skb_warn_bad_offload false positives on UFO

2017-08-12 19:29:08 -07:00

udp_tunnel.c

tunnel: Clear IPCB(skb)->opt before dst_link_failure called

2016-04-20 15:41:56 +09:00

udp.c

ipv4: fix memory leaks in udp_sendmsg, ping_v4_sendmsg

2018-05-26 08:48:46 +02:00

udplite.c

net: Eliminate no_check from protosw

2014-05-23 16:28:53 -04:00

xfrm4_input.c

netfilter: Pass net into okfn

2015-09-17 17:18:37 -07:00

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

ipv4: hash net ptr into fragmentation bucket selection

2015-03-25 14:07:04 -04:00

xfrm4_output.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2015-10-24 06:54:12 -07:00

xfrm4_policy.c

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

2018-05-30 07:49:04 +02:00

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