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Chuck Lever 44b1404683 svcrdma: Ignore source port when computing DRC hash 
commit 1e091c3bbf upstream.

The DRC appears to be effectively empty after an RPC/RDMA transport
reconnect. The problem is that each connection uses a different
source port, which defeats the DRC hash.

Clients always have to disconnect before they send retransmissions
to reset the connection's credit accounting, thus every retransmit
on NFS/RDMA will miss the DRC.

An NFS/RDMA client's IP source port is meaningless for RDMA
transports. The transport layer typically sets the source port value
on the connection to a random ephemeral port. The server already
ignores it for the "secure port" check. See commit 16e4d93f6d
("NFSD: Ignore client's source port on RDMA transports").

The Linux NFS server's DRC resolves XID collisions from the same
source IP address by using the checksum of the first 200 bytes of
the RPC call header.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: stable@vger.kernel.org # v4.14+
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-07-10 09:54:43 +02:00
..
6lowpan 6lowpan: iphc: reset mac_header after decompress to fix panic 2018-10-03 17:00:47 -07:00
9p net/9p: include trans_common.h to fix missing prototype warning. 2019-07-03 13:15:59 +02:00
802
8021q vlan: disable SIOCSHWTSTAMP in container 2019-05-16 19:42:34 +02:00
appletalk appletalk: Fix use-after-free in atalk_proc_exit 2019-04-20 09:15:07 +02:00
atm net: atm: Fix potential Spectre v1 vulnerabilities 2019-04-27 09:35:33 +02:00
ax25 ax25: fix inconsistent lock state in ax25_destroy_timer 2019-06-22 08:16:14 +02:00
batman-adv batman-adv: allow updating DAT entry timeouts on incoming ARP Replies 2019-05-31 06:47:33 -07:00
bluetooth Bluetooth: Fix faulty expression for minimum encryption key size check 2019-07-10 09:54:31 +02:00
bpf
bridge bridge: Fix error path for kobject_init_and_add() 2019-05-16 19:42:33 +02:00
caif caif: reduce stack size with KASAN 2019-05-08 07:20:45 +02:00
can can: purge socket error queue on sock destruct 2019-06-25 11:36:54 +08:00
ceph libceph: wait for latest osdmap in ceph_monc_blacklist_add() 2019-03-27 14:13:51 +09:00
core net: remove duplicate fetch in sock_getsockopt 2019-07-03 13:16:01 +02:00
dcb net: dcb: For wild-card lookups, use priority -1, not 0 2018-09-19 22:43:43 +02:00
dccp dccp: do not use ipv6 header for ipv4 flow 2019-04-03 06:25:08 +02:00
decnet dn_getsockoptdecnet: move nf_{get/set}sockopt outside sock lock 2018-02-25 11:07:52 +01:00
dns_resolver KEYS: DNS: fix parsing multiple options 2018-07-22 14:28:49 +02:00
dsa net: dsa: Fix error cleanup path in dsa_init_module 2019-05-16 19:42:34 +02:00
ethernet
hsr net/hsr: fix possible crash in add_timer() 2019-03-19 13:13:22 +01:00
ieee802154 ipv6: remove dependency of nf_defrag_ipv6 on ipv6 module 2019-04-27 09:35:40 +02:00
ife net: sched: ife: check on metadata length 2018-04-29 11:33:13 +02:00
ipv4 bpf: udp: Avoid calling reuseport's bpf_prog from udp_gro 2019-07-03 13:16:02 +02:00
ipv6 bpf: udp: ipv6: Avoid running reuseport's bpf_prog from __udp6_lib_err 2019-07-03 13:16:03 +02:00
ipx
iucv net/iucv: Free memory obtained by kzalloc 2018-03-31 18:10:41 +02:00
kcm kcm: switch order of device registration to fix a crash 2019-04-17 08:37:45 +02:00
key af_key: unconditionally clone on broadcast 2019-03-23 14:35:14 +01:00
l2tp l2tp: fix infoleak in l2tp_ip6_recvmsg() 2019-03-19 13:13:22 +01:00
l3mdev
lapb lapb: fixed leak of control-blocks. 2019-06-22 08:16:14 +02:00
llc llc: fix skb leak in llc_build_and_send_ui_pkt() 2019-06-09 09:18:10 +02:00
mac80211 mac80211: Do not use stack memory with scatterlist for GMAC 2019-06-25 11:36:55 +08:00
mac802154 net: mac802154: tx: expand tailroom if necessary 2018-09-09 19:55:52 +02:00
mpls mpls: Return error for RTA_GATEWAY attribute 2019-03-13 14:03:09 -07:00
ncsi
netfilter ipvs: Fix use-after-free in ip_vs_in 2019-06-22 08:16:15 +02:00
netlabel netlabel: fix out-of-bounds memory accesses 2019-03-13 14:03:08 -07:00
netlink genetlink: Fix a memory leak on error path 2019-04-03 06:25:08 +02:00
netrom netrom: switch to sock timer API 2019-02-06 17:31:32 +01:00
nfc NFC: nci: Add some bounds checking in nci_hci_cmd_received() 2019-05-16 19:42:32 +02:00
nsh nsh: set mac len based on inner packet 2018-07-22 14:28:49 +02:00
openvswitch net: openvswitch: do not free vport if register_netdevice() is failed. 2019-06-22 08:16:15 +02:00
packet net/packet: fix memory leak in packet_set_ring() 2019-07-03 13:16:01 +02:00
phonet phonet: fix building with clang 2019-03-23 14:35:16 +01:00
psample
qrtr net: qrtr: Broadcast messages only from control port 2018-08-24 13:09:13 +02:00
rds net: rds: fix memory leak in rds_ib_flush_mr_pool 2019-06-11 12:21:45 +02:00
rfkill rfkill: gpio: fix memory leak in probe error path 2018-05-16 10:10:26 +02:00
rose net/rose: fix unbound loop in rose_loopback_timer() 2019-05-02 09:40:34 +02:00
rxrpc rxrpc: Fix net namespace cleanup 2019-05-08 07:20:44 +02:00
sched net_sched: fix two more memory leaks in cls_tcindex 2019-05-16 19:42:30 +02:00
sctp sctp: change to hold sk after auth shkey is created successfully 2019-07-03 13:16:02 +02:00
smc net/smc: fix TCP fallback socket release 2019-01-09 17:14:46 +01:00
strparser strparser: Remove early eaten to fix full tcp receive buffer stall 2018-07-22 14:28:47 +02:00
sunrpc svcrdma: Ignore source port when computing DRC hash 2019-07-10 09:54:43 +02:00
switchdev
tipc tipc: pass tunnel dev as NULL to udp_tunnel(6)_xmit_skb 2019-07-03 13:16:03 +02:00
tls net/tls: Fixed return value when tls_complete_pending_work() fails 2018-12-05 19:41:11 +01:00
unix missing barriers in some of unix_sock ->addr and ->path accesses 2019-03-19 13:13:24 +01:00
vmw_vsock vsock/virtio: Initialize core virtio vsock before registering the driver 2019-05-25 18:25:17 +02:00
wimax
wireless cfg80211: fix memory leak of wiphy device name 2019-06-25 11:36:54 +08:00
x25 net/x25: fix a race in x25_bind() 2019-03-19 13:13:23 +01:00
xfrm xfrm: policy: Fix out-of-bound array accesses in __xfrm_policy_unlink 2019-05-25 18:25:33 +02:00
compat.c sock: Make sock->sk_stamp thread-safe 2019-01-09 17:14:46 +01:00
Kconfig
Makefile
socket.c net: socket: set sock->sk to NULL after calling proto_ops::release() 2019-03-13 14:03:09 -07:00
sysctl_net.c