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Gustavo A. R. Silva a6a25002e6 tcp_nv: fix potential integer overflow in tcpnv_acked 
[ Upstream commit e4823fbd22 ]

Add suffix ULL to constant 80000 in order to avoid a potential integer
overflow and give the compiler complete information about the proper
arithmetic to use. Notice that this constant is used in a context that
expects an expression of type u64.

The current cast to u64 effectively applies to the whole expression
as an argument of type u64 to be passed to div64_u64, but it does
not prevent it from being evaluated using 32-bit arithmetic instead
of 64-bit arithmetic.

Also, once the expression is properly evaluated using 64-bit arithmentic,
there is no need for the parentheses and the external cast to u64.

Addresses-Coverity-ID: 1357588 ("Unintentional integer overflow")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-26 11:02:13 +02:00
..
netfilter netfilter: drop template ct when conntrack is skipped. 2018-04-08 14:26:29 +02:00
af_inet.c net: accept UFO datagrams from tuntap and packet 2017-12-17 15:07:58 +01:00
ah4.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2017-06-23 14:17:31 -04:00
arp.c arp: fix arp_filter on l3slave devices 2018-04-12 12:32:22 +02:00
cipso_ipv4.c tcp/dccp: fix ireq->opt races 2017-10-21 01:33:19 +01:00
datagram.c
devinet.c ipv4: igmp: guard against silly MTU values 2018-01-02 20:31:06 +01:00
esp4.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-09-01 17:42:05 -07:00
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
fib_frontend.c ipv4: Fix use-after-free when flushing FIB tables 2018-01-02 20:31:09 +01:00
fib_lookup.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fib_notifier.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fib_rules.c net: fib_rules: Implement notification logic in core 2017-08-03 15:35:59 -07:00
fib_semantics.c route: check sysctl_fib_multipath_use_neigh earlier than hash 2018-04-12 12:32:27 +02:00
fib_trie.c ipv4: do metrics match when looking up and deleting a route 2017-08-23 20:37:10 -07:00
fou.c gue: fix remcsum when GRO on and CHECKSUM_PARTIAL boundary is outer UDP 2017-08-01 16:09:14 -07:00
gre_demux.c
gre_offload.c gso: fix payload length when gso_size is zero 2017-10-08 10:12:15 -07:00
icmp.c icmp: don't fail on fragment reassembly time exceeded 2017-12-20 10:10:37 +01:00
igmp.c net: igmp: add a missing rcu locking section 2018-02-13 10:19:47 +01:00
inet_connection_sock.c Revert "defer call to mem_cgroup_sk_alloc()" 2018-02-13 10:19:48 +01:00
inet_diag.c inet_diag: allow protocols to provide additional data 2017-09-01 18:38:09 -07:00
inet_fragment.c net: Fix hlist corruptions in inet_evict_bucket() 2018-03-31 18:10:40 +02:00
inet_hashtables.c soreuseport: fix initialization race 2017-10-22 02:03:51 +01:00
inet_timewait_sock.c kmemcheck: remove annotations 2018-02-22 15:42:23 +01:00
inetpeer.c inetpeer: fix RCU lookup() again 2017-09-28 09:39:34 -07:00
ip_forward.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ip_fragment.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ip_gre.c ip_gre: fix potential memory leak in erspan_rcv 2018-03-24 11:01:27 +01:00
ip_input.c IPv4: early demux can return an error code 2017-10-01 03:55:47 +01:00
ip_options.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ip_output.c udp: remove unreachable ufo branches 2017-08-22 14:27:18 -07:00
ip_sockglue.c net: Only honor ifindex in IP_PKTINFO if non-0 2018-03-31 18:10:41 +02:00
ip_tunnel.c ip_tunnel: better validate user provided tunnel names 2018-04-12 12:32:25 +02:00
ip_tunnel_core.c net: store port/representator id in metadata_dst 2017-06-25 11:42:01 -04:00
ip_vti.c vti: fix use after free in vti_tunnel_xmit/vti6_tnl_xmit 2017-09-26 09:58:21 -07:00
ipcomp.c
ipconfig.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ipip.c ipip: only increase err_count for some certain type icmp in ipip_err 2017-10-27 23:43:31 +09:00
ipmr.c rtnetlink: make rtnl_register accept a flags parameter 2017-08-09 16:57:38 -07:00
Kconfig ip: update policy routing config help 2017-10-12 22:57:11 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
netfilter.c
ping.c net: convert sock.sk_refcnt from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
proc.c tcp: Revert "tcp: remove header prediction" 2017-08-30 11:20:09 -07:00
protocol.c
raw.c net: ipv4: fix for a race condition in raw_sendmsg 2018-01-02 20:31:08 +01:00
raw_diag.c net: ipv6: add second dif to raw socket lookups 2017-08-07 11:39:22 -07:00
route.c net: ipv4: Set addr_type in hash_keys for forwarded case 2018-03-08 22:41:15 -08:00
syncookies.c tcp/dccp: fix ireq->opt races 2017-10-21 01:33:19 +01:00
sysctl_net_ipv4.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tcp.c tcp: purge write queue upon aborting the connection 2018-03-31 18:10:38 +02:00
tcp_bbr.c tcp_bbr: fix pacing_gain to always be unity when using lt_bw 2018-02-13 10:19:48 +01:00
tcp_bic.c tcp: consolidate congestion control undo functions 2017-08-06 21:25:10 -07:00
tcp_cdg.c tcp: consolidate congestion control undo functions 2017-08-06 21:25:10 -07:00
tcp_cong.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-09-01 17:42:05 -07:00
tcp_cubic.c tcp: consolidate congestion control undo functions 2017-08-06 21:25:10 -07:00
tcp_dctcp.c
tcp_diag.c tcp_diag: report TCP MD5 signing keys and addresses 2017-09-01 18:38:09 -07:00
tcp_fastopen.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tcp_highspeed.c tcp: consolidate congestion control undo functions 2017-08-06 21:25:10 -07:00
tcp_htcp.c tcp: fix cwnd undo in Reno and HTCP congestion controls 2017-08-06 21:25:10 -07:00
tcp_hybla.c
tcp_illinois.c tcp: consolidate congestion control undo functions 2017-08-06 21:25:10 -07:00
tcp_input.c tcp: purge write queue upon RST 2018-03-08 22:41:17 -08:00
tcp_ipv4.c tcp md5sig: Use skb's saddr when replying to an incoming segment 2018-01-02 20:31:07 +01:00
tcp_lp.c tcp: switch TCP TS option (RFC 7323) to 1ms clock 2017-05-17 16:06:01 -04:00
tcp_metrics.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tcp_minisocks.c tcp/dccp: block bh before arming time_wait timer 2017-12-17 15:07:57 +01:00
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_bbr: better deal with suboptimal GSO 2018-03-08 22:41:13 -08:00
tcp_probe.c tcp: remove redundant argument from tcp_rcv_established() 2017-07-24 17:28:12 -07:00
tcp_rate.c tcp: invalidate rate samples during SACK reneging 2018-01-02 20:31:09 +01:00
tcp_recovery.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tcp_scalable.c tcp: consolidate congestion control undo functions 2017-08-06 21:25:10 -07:00
tcp_timer.c tcp: purge write queue upon aborting the connection 2018-03-31 18:10:38 +02:00
tcp_ulp.c tcp: ulp: avoid module refcnt leak in tcp_set_ulp 2017-08-14 22:17:05 -07:00
tcp_vegas.c tcp: fix under-evaluated ssthresh in TCP Vegas 2017-12-25 14:26:30 +01:00
tcp_vegas.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tcp_veno.c tcp: consolidate congestion control undo functions 2017-08-06 21:25:10 -07:00
tcp_westwood.c tcp: Revert "tcp: remove CA_ACK_SLOWPATH" 2017-08-30 11:20:08 -07:00
tcp_yeah.c tcp: consolidate congestion control undo functions 2017-08-06 21:25:10 -07:00
tunnel4.c
udp.c udplite: fix partial checksum initialization 2018-03-08 22:41:10 -08:00
udp_diag.c net: ipv6: add second dif to udp socket lookups 2017-08-07 11:39:22 -07:00
udp_impl.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
udp_offload.c gso: validate gso_type in GSO handlers 2018-01-31 14:03:47 +01:00
udp_tunnel.c net: add infrastructure to un-offload UDP tunnel port 2017-07-24 13:52:59 -07:00
udplite.c
xfrm4_input.c xfrm: Reinject transport-mode packets through tasklet 2018-03-03 10:24:25 +01:00
xfrm4_mode_beet.c networking: make skb_pull & friends return void pointers 2017-06-16 11:48:39 -04:00
xfrm4_mode_transport.c xfrm: Add encapsulation header offsets while SKB is not encrypted 2017-04-14 10:07:39 +02:00
xfrm4_mode_tunnel.c xfrm: Add encapsulation header offsets while SKB is not encrypted 2017-04-14 10:07:39 +02:00
xfrm4_output.c xfrm: Add an IPsec hardware offloading API 2017-04-14 10:06:10 +02:00
xfrm4_policy.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfrm4_protocol.c
xfrm4_state.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfrm4_tunnel.c