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linux/net/ipv4
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Eric Dumazet 06425c308b tcp: fix 0 divide in __tcp_select_window() 
syszkaller fuzzer was able to trigger a divide by zero, when
TCP window scaling is not enabled.

SO_RCVBUF can be used not only to increase sk_rcvbuf, also
to decrease it below current receive buffers utilization.

If mss is negative or 0, just return a zero TCP window.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Dmitry Vyukov  <dvyukov@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-01 12:55:42 -05:00
..
netfilter
netfilter: ipt_CLUSTERIP: fix build error without procfs
2017-01-18 20:59:22 +01:00
af_inet.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
ah4.c
ah4: Fix error return in ah_input().
2015-08-25 13:38:50 -07:00
arp.c
net: rename NET_{ADD|INC}_STATS_BH()
2016-04-27 22:48:24 -04:00
cipso_ipv4.c
Merge branch 'stable-4.8' of git://git.infradead.org/users/pcmoore/selinux into next
2016-07-07 10:15:34 +10:00
datagram.c
net: Set sk_txhash from a random number
2015-07-29 22:44:04 -07:00
devinet.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
esp4.c
esp4: Fix integrity verification when ESN are used
2016-11-30 11:09:39 +01:00
fib_frontend.c
lwtunnel: fix autoload of lwt modules
2017-01-18 17:07:14 -05:00
fib_lookup.h
ipv4: consider TOS in fib_select_default
2015-07-24 22:46:11 -07:00
fib_rules.c
switchdev: remove FIB offload infrastructure
2016-09-28 04:48:00 -04:00
fib_semantics.c
net: lwtunnel: Handle lwtunnel_fill_encap failure
2017-01-12 15:11:43 -05:00
fib_trie.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
fou.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-10-30 12:42:58 -04:00
gre_demux.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-06-30 05:03:36 -04:00
gre_offload.c
net: add recursion limit to GRO
2016-10-20 14:32:22 -04:00
icmp.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
igmp.c
igmp: Make igmp group member RFC 3376 compliant
2017-01-02 13:01:03 -05:00
inet_connection_sock.c
inet: Fix get port to handle zero port number with soreuseport set
2016-12-17 11:13:19 -05:00
inet_diag.c
tcp: no longer hold ehash lock while calling tcp_get_info()
2016-11-09 13:02:27 -05:00
inet_fragment.c
net: disable fragment reassembly if high_thresh is zero
2016-06-05 22:56:42 -04:00
inet_hashtables.c
net: Require exact match for TCP socket lookups if dif is l3mdev
2016-10-17 10:17:05 -04:00
inet_timewait_sock.c
timers, net/ipv4/inet: Initialize connection request timers as pinned
2016-07-07 10:35:06 +02:00
inetpeer.c
net: Add helper function to compare inetpeer addresses
2015-08-28 13:32:36 -07:00
ip_forward.c
ipv4: allow local fragmentation in ip_finish_output_gso()
2016-11-03 16:10:26 -04:00
ip_fragment.c
net: rename IP_INC_STATS_BH()
2016-04-27 22:48:23 -04:00
ip_gre.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
ip_input.c
net: VRF: Pass original iif to ip_route_input()
2016-09-16 04:24:07 -04:00
ip_options.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
ip_output.c
tcp: fix mark propagation with fwmark_reflect enabled
2017-01-09 18:01:03 +01:00
ip_sockglue.c
net: fix incorrect original ingress device index in PKTINFO
2016-12-29 14:07:41 -05:00
ip_tunnel_core.c
net: Specify the owning module for lwtunnel ops
2017-01-24 16:21:36 -05:00
ip_tunnel.c
netns: make struct pernet_operations::id unsigned int
2016-11-18 10:59:15 -05:00
ip_vti.c
netns: make struct pernet_operations::id unsigned int
2016-11-18 10:59:15 -05:00
ipcomp.c
…
ipconfig.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
ipip.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
ipmr.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
Kconfig
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-12-03 12:29:53 -05:00
Makefile
net: ip, diag -- Add diag interface for raw sockets
2016-10-23 19:35:24 -04:00
netfilter.c
netfilter: Update ip_route_me_harder to consider L3 domain
2016-11-24 12:44:36 +01:00
ping.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-12-16 10:24:44 -08:00
proc.c
net: Suppress the "Comparison to NULL could be written" warnings
2016-09-30 01:50:45 -04:00
protocol.c
…
raw_diag.c
net: ip, raw_diag -- Use jump for exiting from nested loop
2016-11-03 15:25:26 -04:00
raw.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
route.c
net: ipv4: fix table id in getroute response
2017-01-12 15:18:20 -05:00
syncookies.c
tcp: randomize tcp timestamp offsets for each connection
2016-12-02 12:49:59 -05:00
sysctl_net_ipv4.c
ipv4: make tcp_notsent_lowat sysctl knob behave as true unsigned int
2017-01-09 16:34:38 -05:00
tcp_bbr.c
tcp_bbr: add a state transition diagram and accompanying comment
2016-10-29 17:12:43 -04:00
tcp_bic.c
tcp: replace cnt & rtt with struct in pkts_acked()
2016-05-11 14:43:19 -04:00
tcp_cdg.c
tcp: cdg: rename struct minmax in tcp_cdg.c to avoid a naming conflict
2016-09-21 00:22:59 -04:00
tcp_cong.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-11-22 13:27:16 -05:00
tcp_cubic.c
tcp: replace cnt & rtt with struct in pkts_acked()
2016-05-11 14:43:19 -04:00
tcp_dctcp.c
Revert "dctcp: update cwnd on congestion event"
2016-12-06 11:34:24 -05:00
tcp_diag.c
net: diag: Fix refcnt leak in error path destroying socket
2016-08-23 23:11:36 -07:00
tcp_fastopen.c
tcp: initialize max window for a new fastopen socket
2017-01-19 11:35:26 -05:00
tcp_highspeed.c
tcp: add cwnd_undo functions to various tcp cc algorithms
2016-11-21 13:20:17 -05:00
tcp_htcp.c
tcp: replace cnt & rtt with struct in pkts_acked()
2016-05-11 14:43:19 -04:00
tcp_hybla.c
tcp: make undo_cwnd mandatory for congestion modules
2016-11-21 13:20:17 -05:00
tcp_illinois.c
tcp: add cwnd_undo functions to various tcp cc algorithms
2016-11-21 13:20:17 -05:00
tcp_input.c
tcp: correct memory barrier usage in tcp_check_space()
2017-01-25 13:23:36 -05:00
tcp_ipv4.c
ipv4: Namespaceify tcp_tw_reuse knob
2016-12-27 12:28:07 -05:00
tcp_lp.c
tcp: make undo_cwnd mandatory for congestion modules
2016-11-21 13:20:17 -05:00
tcp_metrics.c
tcp: do not export tcp_peer_is_proven()
2017-01-09 16:34:39 -05:00
tcp_minisocks.c
tcp: randomize tcp timestamp offsets for each connection
2016-12-02 12:49:59 -05:00
tcp_nv.c
tcp: add NV congestion control
2016-06-10 23:07:49 -07:00
tcp_offload.c
gso: Support partial splitting at the frag_list pointer
2016-09-19 20:59:34 -04:00
tcp_output.c
tcp: fix 0 divide in __tcp_select_window()
2017-02-01 12:55:42 -05:00
tcp_probe.c
net: ipv4: tcp_probe: Replace timespec with timespec64
2016-03-01 17:18:44 -05:00
tcp_rate.c
tcp: export data delivery rate
2016-09-21 00:23:00 -04:00
tcp_recovery.c
tcp: do not assume TCP code is non preemptible
2016-05-02 17:02:25 -04:00
tcp_scalable.c
tcp: add cwnd_undo functions to various tcp cc algorithms
2016-11-21 13:20:17 -05:00
tcp_timer.c
tcp: tsq: move tsq_flags close to sk_wmem_alloc
2016-12-05 13:32:24 -05:00
tcp_vegas.c
tcp: make undo_cwnd mandatory for congestion modules
2016-11-21 13:20:17 -05:00
tcp_vegas.h
tcp: replace cnt & rtt with struct in pkts_acked()
2016-05-11 14:43:19 -04:00
tcp_veno.c
tcp: add cwnd_undo functions to various tcp cc algorithms
2016-11-21 13:20:17 -05:00
tcp_westwood.c
tcp: make undo_cwnd mandatory for congestion modules
2016-11-21 13:20:17 -05:00
tcp_yeah.c
tcp: add cwnd_undo functions to various tcp cc algorithms
2016-11-21 13:20:17 -05:00
tcp.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
tunnel4.c
tunnels: correct conditional build of MPLS and IPv6
2016-07-11 13:27:06 -07:00
udp_diag.c
net: inet: diag: expose the socket mark to privileged processes.
2016-09-08 16:13:09 -07:00
udp_impl.h
udplite: call proper backlog handlers
2016-11-24 15:32:14 -05:00
udp_offload.c
net: add recursion limit to GRO
2016-10-20 14:32:22 -04:00
udp_tunnel.c
net: Remove deprecated tunnel specific UDP offload functions
2016-06-17 20:23:32 -07:00
udp.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
udplite.c
udplite: call proper backlog handlers
2016-11-24 15:32:14 -05:00
xfrm4_input.c
netfilter: Pass net into okfn
2015-09-17 17:18:37 -07:00
xfrm4_mode_beet.c
…
xfrm4_mode_transport.c
…
xfrm4_mode_tunnel.c
…
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
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-09-12 15:52:44 -07:00
xfrm4_protocol.c
…
xfrm4_state.c
…
xfrm4_tunnel.c
…