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d983ea6f16b835dcde2ee9a58a1e764ce68bfccc
android_kernel_xiaomi_sm8450/net/ipv6
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Eric Dumazet d983ea6f16 tcp: add rcu protection around tp->fastopen_rsk 
Both tcp_v4_err() and tcp_v6_err() do the following operations
while they do not own the socket lock :

	fastopen = tp->fastopen_rsk;
 	snd_una = fastopen ? tcp_rsk(fastopen)->snt_isn : tp->snd_una;

The problem is that without appropriate barrier, the compiler
might reload tp->fastopen_rsk and trigger a NULL deref.

request sockets are protected by RCU, we can simply add
the missing annotations and barriers to solve the issue.

Fixes: 168a8f5805 ("tcp: TCP Fast Open Server - main code path")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-13 10:13:08 -07:00
..
ila
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
netfilter
netfilter: drop bridge nf reset from nf_reset
2019-10-01 18:42:15 +02:00
addrconf_core.c
ipv6: Add delete route hook to stubs
2019-05-22 17:48:43 -07:00
addrconf.c
ipv6: Handle missing host route in __ipv6_ifa_notify
2019-10-04 18:08:58 -07:00
addrlabel.c
netlink: make validation more configurable for future strictness
2019-04-27 17:07:21 -04:00
af_inet6.c
ipv6: use indirect call wrappers for {tcp, udpv6}_{recv, send}msg()
2019-07-03 13:51:54 -07:00
ah6.c
ipv6: Use ipv6_authlen for len
2019-07-11 14:43:25 -07:00
anycast.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
calipso.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00
datagram.c
udp: correct reuseport selection with connected sockets
2019-09-16 09:02:18 +02:00
esp6_offload.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
esp6.c
xfrm: remove get_mtu indirection from xfrm_type
2019-07-01 06:16:40 +02:00
exthdrs_core.c
ipv6: remove printk
2019-07-27 14:23:48 -07:00
exthdrs_offload.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
exthdrs.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
fib6_notifier.c
net: Add module reference to FIB notifiers
2017-09-01 20:33:42 -07:00
fib6_rules.c
ipv6: do not free rt if FIB_LOOKUP_NOREF is set on suppress rule
2019-09-26 09:34:25 +02:00
fou6.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
icmp.c
ipv6: icmp: allow flowlabel reflection in echo replies
2019-07-01 10:54:51 -07:00
inet6_connection_sock.c
ipv6: add priority parameter to ip6_xmit()
2019-09-27 12:05:02 +02:00
inet6_hashtables.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-06-07 11:00:14 -07:00
ip6_checksum.c
net: udp: fix handling of CHECKSUM_COMPLETE packets
2018-10-24 14:18:16 -07:00
ip6_fib.c
ipv6: fix a typo in fib6_rule_lookup()
2019-09-20 19:17:57 -07:00
ip6_flowlabel.c
ipv6: fix static key imbalance in fl_create()
2019-07-11 14:43:25 -07:00
ip6_gre.c
ip6erspan: remove the incorrect mtu limit for ip6erspan
2019-10-08 19:46:42 -07:00
ip6_icmp.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ip6_input.c
ipv6: drop incoming packets having a v4mapped source address
2019-10-03 11:40:21 -04:00
ip6_offload.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
ip6_offload.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
ip6_output.c
ipv6: add priority parameter to ip6_xmit()
2019-09-27 12:05:02 +02:00
ip6_tunnel.c
ip6_tunnel: fix possible use-after-free on xmit
2019-07-26 14:17:44 -07:00
ip6_udp_tunnel.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
ip6_vti.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
ip6mr.c
ipmr: remove hard code cache_resolve_queue_len limit
2019-09-07 17:49:00 +02:00
ipcomp6.c
xfrm: remove type and offload_type map from xfrm_state_afinfo
2019-06-06 08:34:50 +02:00
ipv6_sockglue.c
Merge tag 'spdx-5.2-rc3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2019-05-31 08:34:32 -07:00
Kconfig
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
Makefile
xfrm: make xfrm modes builtin
2019-04-08 09:15:17 +02:00
mcast_snoop.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 343
2019-06-05 17:37:07 +02:00
mcast.c
mld: fix memory leak in mld_del_delrec()
2019-08-28 14:47:35 -07:00
mip6.c
xfrm: remove type and offload_type map from xfrm_state_afinfo
2019-06-06 08:34:50 +02:00
ndisc.c
net-ipv6-ndisc: add support for RFC7710 RA Captive Portal Identifier
2019-07-22 12:10:54 -07:00
netfilter.c
netfilter: move nf_bridge_frag_data struct definition to a more appropriate header.
2019-09-13 12:35:33 +02:00
output_core.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
ping.c
ipv6: Fix the link time qualifier of 'ping_v6_proc_exit_net()'
2019-09-12 11:20:33 +01:00
proc.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-06-07 11:00:14 -07:00
protocol.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
raw.c
netfilter: drop bridge nf reset from nf_reset
2019-10-01 18:42:15 +02:00
reassembly.c
inet: frags: re-introduce skb coalescing for local delivery
2019-08-08 15:55:10 -07:00
route.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-09-15 14:17:27 +02:00
seg6_hmac.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
seg6_iptunnel.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
seg6_local.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
seg6.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sit.c
sit: use dst_cache in ipip6_tunnel_xmit
2019-07-14 12:15:28 -07:00
syncookies.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sysctl_net_ipv6.c
proc/sysctl: add shared variables for range check
2019-07-18 17:08:07 -07:00
tcp_ipv6.c
tcp: add rcu protection around tp->fastopen_rsk
2019-10-13 10:13:08 -07:00
tcpv6_offload.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
tunnel6.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00
udp_impl.h
udp6: add missing rehash callback to udplite
2019-01-17 15:01:08 -08:00
udp_offload.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
udp.c
udp: only do GSO if # of segs > 1
2019-10-03 11:47:10 -04:00
udplite.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
xfrm6_input.c
net: use skb_sec_path helper in more places
2018-12-19 11:21:37 -08:00
xfrm6_output.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
xfrm6_policy.c
xfrm: remove decode_session indirection from afinfo_policy
2019-04-23 07:42:20 +02:00
xfrm6_protocol.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
xfrm6_state.c
xfrm: remove eth_proto value from xfrm_state_afinfo
2019-06-06 08:34:50 +02:00
xfrm6_tunnel.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00