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477687e111
linux/net/ipv4
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Eric Dumazet 2c4cc97123 tcp: tcp_v4_err() should be more careful 
ICMP handlers are not very often stressed, we should
make them more resilient to bugs that might surface in
the future.

If there is no packet in retransmit queue, we should
avoid a NULL deref.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: soukjin bae <soukjin.bae@samsung.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 15:46:58 -08:00
..
bpfilter net: bpfilter: disallow to remove bpfilter module while being used 2019-01-11 18:05:41 -08:00
netfilter netfilter: nat: fix spurious connection timeouts 2019-02-11 17:43:17 +01:00
af_inet.c net: use indirect call wrappers at GRO transport layer 2018-12-15 13:23:02 -08:00
ah4.c net-ipv4: remove 2 always zero parameters from ipv4_redirect() 2018-09-26 20:30:55 -07:00
arp.c net: Evict neighbor entries on carrier down 2018-10-12 09:47:39 -07:00
cipso_ipv4.c net/ipv4: defensive cipso option parsing 2018-09-17 19:37:46 -07:00
datagram.c ipv4: Allow sending multicast packets on specific i/f using VRF socket 2018-10-02 22:28:17 -07:00
devinet.c netlink: fixup regression in RTM_GETADDR 2019-01-04 12:47:06 -08:00
esp4_offload.c net: use skb_sec_path helper in more places 2018-12-19 11:21:37 -08:00
esp4.c net: use skb_sec_path helper in more places 2018-12-19 11:21:37 -08:00
fib_frontend.c net: ipv4: Fix memory leak in network namespace dismantle 2019-01-15 13:33:44 -08:00
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 ipv4: fib_rules: Fix possible infinite loop in fib_empty_table 2018-12-30 12:57:04 -08:00
fib_semantics.c net: Add extack argument to ip_fib_metrics_init 2018-11-06 15:00:45 -08:00
fib_trie.c net: ipv4: Fix memory leak in network namespace dismantle 2019-01-15 13:33:44 -08:00
fou.c fou, fou6: do not assume linear skbs 2019-01-15 22:01:31 -08:00
gre_demux.c net: ip_gre: use erspan key field for tunnel lookup 2019-01-22 11:52:17 -08:00
gre_offload.c Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net 2018-07-03 10:29:26 +09:00
icmp.c net: Convert protocol error handlers from void to int 2018-11-08 17:13:08 -08:00
igmp.c ipv4/igmp: fix v1/v2 switchback timeout based on rfc3376, 8.12 2018-10-29 20:26:06 -07:00
inet_connection_sock.c inet: minor optimization for backlog setting in listen(2) 2018-11-07 22:31:07 -08:00
inet_diag.c inet_diag: fix reporting cgroup classid and fallback to priority 2019-02-12 13:35:57 -05:00
inet_fragment.c inet: frags: better deal with smp races 2018-11-08 18:40:30 -08:00
inet_hashtables.c net: dccp: fix kernel crash on module load 2018-12-24 15:27:56 -08:00
inet_timewait_sock.c soreuseport: initialise timewait reuseport field 2018-04-07 22:32:32 -04:00
inetpeer.c net: ipv4: use a dedicated counter for icmp_v4 redirect packets 2019-02-08 21:50:15 -08:00
ip_forward.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-12-20 11:53:36 -08:00
ip_fragment.c net: ipv4: do not handle duplicate fragments as overlapping 2018-12-15 11:50:40 -08:00
ip_gre.c net: ip_gre: always reports o_key to userspace 2019-01-30 14:00:02 -08:00
ip_input.c net: Fix usage of pskb_trim_rcsum 2019-01-18 14:05:14 -08:00
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 sk_buff: add skb extension infrastructure 2018-12-19 11:21:37 -08:00
ip_sockglue.c ip: on queued skb use skb_header_pointer instead of pskb_may_pull 2019-01-10 09:27:20 -05:00
ip_tunnel_core.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-12-24 16:19:56 -08:00
ip_tunnel.c ip_tunnel: Make none-tunnel-dst tunnel port work with lwtunnel 2019-01-24 17:54:12 -08:00
ip_vti.c vti4: Fix a ipip packet processing bug in 'IPCOMP' virtual tunnel 2019-01-09 14:00:37 +01:00
ipcomp.c net-ipv4: remove 2 always zero parameters from ipv4_redirect() 2018-09-26 20:30:55 -07:00
ipconfig.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-12-20 11:53:36 -08:00
ipip.c net: Convert protocol error handlers from void to int 2018-11-08 17:13:08 -08:00
ipmr_base.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-10-19 11:03:06 -07:00
ipmr.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-12-20 11:53:36 -08:00
Kconfig net: remove blank lines at end of file 2018-07-24 14:10:43 -07:00
Makefile bpf, sockmap: convert to generic sk_msg interface 2018-10-15 12:23:19 -07:00
metrics.c net: Add extack argument to ip_fib_metrics_init 2018-11-06 15:00:45 -08:00
netfilter.c netfilter: utils: move nf_ip_checksum* from ipv4 to utils 2018-07-16 17:51:48 +02:00
netlink.c ipv4: support sport, dport and ip_proto in RTM_GETROUTE 2018-05-23 15:14:12 -04:00
ping.c ipv4: Allow sending multicast packets on specific i/f using VRF socket 2018-10-02 22:28:17 -07:00
proc.c tcp: implement coalescing on backlog queue 2018-11-30 13:26:54 -08:00
protocol.c fou, fou6: ICMP error handlers for FoU and GUE 2018-11-08 17:13:08 -08:00
raw_diag.c
raw.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-12-20 11:53:36 -08:00
route.c net: ipv4: use a dedicated counter for icmp_v4 redirect packets 2019-02-08 21:50:15 -08:00
syncookies.c tcp: provide earliest departure time in skb->tstamp 2018-09-21 19:37:59 -07:00
sysctl_net_ipv4.c net: provide a sysctl raw_l3mdev_accept for raw socket lookup with VRFs 2018-11-07 16:12:38 -08:00
tcp_bbr.c tcp_bbr: update comments to reflect pacing_margin_percent 2018-11-08 20:46:17 -08:00
tcp_bic.c
tcp_bpf.c bpf: sk_msg, sock{map|hash} redirect through ULP 2018-12-20 23:47:09 +01:00
tcp_cdg.c tcp: cdg: use tcp high resolution clock cache 2018-10-15 22:56:42 -07:00
tcp_cong.c tcp: Namespace-ify sysctl_tcp_default_congestion_control 2017-11-15 14:09:52 +09:00
tcp_cubic.c
tcp_dctcp.c tcp: refactor DCTCP ECN ACK handling 2018-10-10 22:26:00 -07:00
tcp_dctcp.h tcp: refactor DCTCP ECN ACK handling 2018-10-10 22:26:00 -07:00
tcp_diag.c net: sock: replace sk_state_load with inet_sk_state_load and remove sk_state_store 2017-12-20 14:00:25 -05:00
tcp_fastopen.c tcp: pause Fast Open globally after third consecutive timeout 2017-12-13 15:51:12 -05:00
tcp_highspeed.c
tcp_htcp.c
tcp_hybla.c
tcp_illinois.c net/tcp/illinois: replace broken algorithm reference link 2018-02-28 12:03:47 -05:00
tcp_input.c tcp: take care of compressed acks in tcp_add_reno_sack() 2018-11-30 13:26:53 -08:00
tcp_ipv4.c tcp: tcp_v4_err() should be more careful 2019-02-17 15:46:58 -08:00
tcp_lp.c
tcp_metrics.c mm: convert totalram_pages and totalhigh_pages variables to atomic 2018-12-28 12:11:47 -08:00
tcp_minisocks.c tcp: do not restart timewait timer on rst reception 2018-08-31 23:10:35 -07:00
tcp_nv.c tcp_nv: fix potential integer overflow in tcpnv_acked 2018-01-31 10:26:30 -05:00
tcp_offload.c net: use indirect call wrappers at GRO transport layer 2018-12-15 13:23:02 -08:00
tcp_output.c tcp: handle EOR and FIN conditions the same in tcp_tso_should_defer() 2018-12-10 12:09:15 -08:00
tcp_rate.c tcp: introduce tcp_skb_timestamp_us() helper 2018-09-21 19:37:59 -07:00
tcp_recovery.c tcp: introduce tcp_skb_timestamp_us() helper 2018-09-21 19:37:59 -07:00
tcp_scalable.c
tcp_timer.c tcp: change txhash on SYN-data timeout 2019-01-10 16:55:41 -05:00
tcp_ulp.c tcp, ulp: remove socket lock assertion on ULP cleanup 2018-10-16 12:38:41 -07:00
tcp_vegas.c
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_westwood.c
tcp_yeah.c
tcp.c tcp: clear icsk_backoff in tcp_write_queue_purge() 2019-02-17 15:46:58 -08:00
tunnel4.c net: Convert protocol error handlers from void to int 2018-11-08 17:13:08 -08:00
udp_diag.c net: diag: document swapped src/dst in udp_dump_one. 2018-10-28 19:27:21 -07:00
udp_impl.h udp: add missing rehash callback to udplite 2019-01-17 15:01:08 -08:00
udp_offload.c udp: use indirect call wrappers for GRO socket lookup 2018-12-15 13:23:02 -08:00
udp_tunnel.c udp_tunnel: add config option to bind to a device 2018-12-03 14:15:26 -08:00
udp.c udp: add missing rehash callback to udplite 2019-01-17 15:01:08 -08:00
udplite.c udp: add missing rehash callback to udplite 2019-01-17 15:01:08 -08:00
xfrm4_input.c xfrm: reset transport header back to network header after all input transforms ahave been applied 2018-09-04 10:26:30 +02:00
xfrm4_mode_beet.c
xfrm4_mode_transport.c xfrm: reset transport header back to network header after all input transforms ahave been applied 2018-09-04 10:26:30 +02:00
xfrm4_mode_tunnel.c xfrm: Verify MAC header exists before overwriting eth_hdr(skb)->h_proto 2018-03-07 10:54:29 +01:00
xfrm4_output.c net: xfrm: use skb_gso_validate_network_len() to check gso sizes 2018-03-04 17:49:17 -05:00
xfrm4_policy.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
xfrm4_protocol.c net: Convert protocol error handlers from void to int 2018-11-08 17:13:08 -08:00
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