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Chuck Lever 88f7857c90 svcrdma: Fix another Receive buffer leak 
[ Upstream commit 64d2642251 ]

During a connection tear down, the Receive queue is flushed before
the device resources are freed. Typically, all the Receives flush
with IB_WR_FLUSH_ERR.

However, any pending successful Receives flush with IB_WR_SUCCESS,
and the server automatically posts a fresh Receive to replace the
completing one. This happens even after the connection has closed
and the RQ is drained. Receives that are posted after the RQ is
drained appear never to complete, causing a Receive resource leak.
The leaked Receive buffer is left DMA-mapped.

To prevent these late-posted recv_ctxt's from leaking, block new
Receive posting after XPT_CLOSE is set.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-08-26 10:31:01 +02:00
..
6lowpan 6lowpan: Off by one handling ->nexthdr 2020-01-27 14:50:41 +01:00
9p net/9p: validate fds in p9_fd_open 2020-08-11 15:32:32 +02:00
802
8021q vlan: vlan_changelink() should propagate errors 2020-01-12 12:17:28 +01:00
appletalk appletalk: Set error code if register_snap_client failed 2019-12-13 08:52:59 +01:00
atm net: use skb_queue_empty_lockless() in poll() handlers 2019-11-10 11:27:48 +01:00
ax25 AX.25: Prevent integer overflows in connect and sendmsg 2020-07-31 18:37:48 +02:00
batman-adv batman-adv: Revert "disable ethtool link speed detection when auto negotiation off" 2020-06-22 09:05:12 +02:00
bluetooth Bluetooth: add a mutex lock to avoid UAF in do_enale_set 2020-08-19 08:14:50 +02:00
bpf
bpfilter signal/bpfilter: Fix bpfilter_kernl to use send_sig not force_sig 2020-01-27 14:50:51 +01:00
bridge net: bridge: enfore alignment for ethernet address 2020-06-30 23:17:03 -04:00
caif net: use skb_queue_empty_lockless() in poll() handlers 2019-11-10 11:27:48 +01:00
can can: gw: Fix error path of cgw_module_init 2019-08-29 08:28:30 +02:00
ceph libceph: don't omit recovery_deletes in target_copy() 2020-07-22 09:32:13 +02:00
core net/compat: Add missing sock updates for SCM_RIGHTS 2020-08-21 11:05:32 +02:00
dcb
dccp net: ipv6: add net argument to ip6_dst_lookup_flow 2020-04-29 16:31:16 +02:00
decnet net: add bool confirm_neigh parameter for dst_ops.update_pmtu 2020-01-04 19:13:37 +01:00
dns_resolver KEYS: Don't write out to userspace while holding key semaphore 2020-04-23 10:30:24 +02:00
dsa net: dsa: mt7530: fix roaming from DSA user ports 2020-06-03 08:19:03 +02:00
ethernet net: add annotations on hh->hh_len lockless accesses 2020-01-09 10:19:09 +01:00
hsr hsr: check protocol version in hsr_newlink() 2020-04-21 09:03:03 +02:00
ieee802154 nl802154: add missing attribute validation for dev_type 2020-03-18 07:14:15 +01:00
ife
ipv4 net: initialize fastreuse on inet_inherit_port 2020-08-19 08:15:04 +02:00
ipv6 ipv6: fix memory leaks on IPV6_ADDRFORM path 2020-08-11 15:32:34 +02:00
iucv net/af_iucv: always register net_device notifier 2020-01-27 14:50:56 +01:00
kcm kcm: switch order of device registration to fix a crash 2019-04-17 08:38:40 +02:00
key af_key: fix leaks in key_pol_get_resp and dump_sp. 2019-07-26 09:14:01 +02:00
l2tp l2tp: remove skb_dst_set() from l2tp_xmit_skb() 2020-07-22 09:31:59 +02:00
l3mdev
lapb lapb: fixed leak of control-blocks. 2019-06-22 08:15:13 +02:00
llc llc: make sure applications use ARPHRD_ETHER 2020-07-22 09:31:59 +02:00
mac80211 mac80211: fix misplaced while instead of if 2020-08-21 11:05:32 +02:00
mac802154
mpls net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup 2020-04-29 16:31:17 +02:00
ncsi
netfilter ipvs: allow connection reuse for unconfirmed conntrack 2020-08-19 08:14:56 +02:00
netlabel netlabel: cope with NULL catmap 2020-05-20 08:18:35 +02:00
netlink genetlink: remove genl_bind 2020-07-22 09:31:58 +02:00
netrom net: netrom: Fix potential nr_neigh refcnt leak in nr_add_node 2020-04-29 16:31:21 +02:00
nfc net/nfc/rawsock.c: add CAP_NET_RAW check. 2020-08-19 08:15:03 +02:00
nsh
openvswitch openvswitch: Prevent kernel-infoleak in ovs_ct_put_key() 2020-08-11 15:32:35 +02:00
packet af_packet: TPACKET_V3: fix fill status rwlock imbalance 2020-08-19 08:15:03 +02:00
phonet net: use skb_queue_empty_lockless() in poll() handlers 2019-11-10 11:27:48 +01:00
psample net: psample: fix skb_over_panic 2019-12-05 09:21:30 +01:00
qrtr qrtr: orphan socket in qrtr_release() 2020-07-31 18:37:48 +02:00
rds rds: Prevent kernel-infoleak in rds_notify_queue_get() 2020-08-05 10:06:01 +02:00
rfkill rfkill: Fix incorrect check to avoid NULL pointer dereference 2020-01-12 12:17:17 +01:00
rose net/rose: fix unbound loop in rose_loopback_timer() 2019-05-02 09:59:00 +02:00
rxrpc rxrpc: Fix race between recvmsg and sendmsg on immediate call failure 2020-08-11 15:32:35 +02:00
sched sched: consistently handle layer3 header accesses in the presence of VLANs 2020-07-22 09:32:00 +02:00
sctp sctp: implement memory accounting on tx path 2020-08-05 10:06:00 +02:00
smc net/smc: cancel event worker during device removal 2020-03-18 07:14:25 +01:00
strparser net: strparser: partially revert "strparser: Call skb_unclone conditionally" 2019-05-16 19:41:27 +02:00
sunrpc svcrdma: Fix another Receive buffer leak 2020-08-26 10:31:01 +02:00
switchdev
tipc tipc: clean up skb list lock handling on send path 2020-07-29 10:16:47 +02:00
tls net/tls: Fix kmap usage 2020-08-19 08:15:03 +02:00
unix af_unix: add compat_ioctl support 2020-01-17 19:47:07 +01:00
vmw_vsock vsock: fix timeout in vsock_accept() 2020-06-10 21:34:59 +02:00
wimax
wireless cfg80211: check vendor command doit pointer before use 2020-08-11 15:32:33 +02:00
x25 net/x25: Fix null-ptr-deref in x25_disconnect 2020-08-05 10:06:02 +02:00
xdp xdp: Fix xsk_generic_xmit errno 2020-06-25 15:33:05 +02:00
xfrm xfrm: Fix double ESP trailer insertion in IPsec crypto offload. 2020-06-30 23:17:10 -04:00
compat.c net/compat: Add missing sock updates for SCM_RIGHTS 2020-08-21 11:05:32 +02:00
Kconfig
Makefile
socket.c net: Set fput_needed iff FDPUT_FPUT is set 2020-08-19 08:15:03 +02:00
sysctl_net.c