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Chuck Lever e953412275 svcrdma: Fix another Receive buffer leak 
[ Upstream commit 64d26422516b2e347b32e6d9b1d40b3c19a62aae ]

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>
 		2021-03-16 16:34:32 +08:00
..
6lowpan Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
9p net/9p: validate fds in p9_fd_open 2021-03-16 16:33:05 +08:00
802 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
8021q Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
appletalk appletalk: Fix atalk_proc_init() return path 2021-03-16 16:33:09 +08:00
atm Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ax25 AX.25: Prevent integer overflows in connect and sendmsg 2021-03-16 16:32:42 +08:00
batman-adv batman-adv: Revert "disable ethtool link speed detection when auto negotiation off" 2021-03-16 16:29:21 +08:00
bluetooth Bluetooth: add a mutex lock to avoid UAF in do_enale_set 2021-03-16 16:33:19 +08:00
bpf Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
bpfilter net/bpfilter: remove superfluous testing message 2021-03-16 16:26:23 +08:00
bridge bridge: mcast: Fix MLD2 Report IPv6 payload length check 2021-03-16 16:31:42 +08:00
caif Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
can can: j1939: socket: j1939_sk_bind(): make sure ml_priv is allocated 2021-03-16 16:34:28 +08:00
ceph libceph: don't omit recovery_deletes in target_copy() 2021-03-16 16:32:16 +08:00
core net/compat: Add missing sock updates for SCM_RIGHTS 2021-03-16 16:34:05 +08:00
dcb Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
dccp dccp: Fix possible memleak in dccp_init and dccp_fini 2021-03-16 16:29:07 +08:00
decnet Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
dns_resolver KEYS: Don't write out to userspace while holding key semaphore 2021-03-16 16:26:42 +08:00
dsa net: dsa: declare lockless TX feature for slave ports 2021-03-16 16:28:42 +08:00
ethernet Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
hsr hsr: check protocol version in hsr_newlink() 2021-03-16 16:26:20 +08:00
ieee802154 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ife Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ipv4 net: initialize fastreuse on inet_inherit_port 2021-03-16 16:33:50 +08:00
ipv6 ipv6: Fix nexthop refcnt leak when creating ipv6 route info 2021-03-16 16:33:08 +08:00
iucv Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
kcm Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
key xfrm: policy: match with both mark and mask on user interfaces 2021-03-16 16:32:49 +08:00
l2tp l2tp: remove skb_dst_set() from l2tp_xmit_skb() 2021-03-16 16:31:43 +08:00
l3mdev Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
lapb Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
llc llc: make sure applications use ARPHRD_ETHER 2021-03-16 16:31:43 +08:00
mac80211 mac80211: fix misplaced while instead of if 2021-03-16 16:34:06 +08:00
mac802154 Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
mpls Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ncsi Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
netfilter ipvs: fix the connection sync failed in some cases 2021-03-16 16:32:27 +08:00
netlabel netlabel: cope with NULL catmap 2021-03-16 16:27:47 +08:00
netlink genetlink: remove genl_bind 2021-03-16 16:31:42 +08:00
netrom net: netrom: Fix potential nr_neigh refcnt leak in nr_add_node 2021-03-16 16:26:51 +08:00
nfc net/nfc/rawsock.c: add CAP_NET_RAW check. 2021-03-16 16:33:48 +08:00
nsh Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
openvswitch openvswitch: Prevent kernel-infoleak in ovs_ct_put_key() 2021-03-16 16:33:10 +08:00
packet af_packet: TPACKET_V3: fix fill status rwlock imbalance 2021-03-16 16:33:48 +08:00
phonet Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
psample Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
qrtr qrtr: orphan socket in qrtr_release() 2021-03-16 16:32:41 +08:00
rds rds: Prevent kernel-infoleak in rds_notify_queue_get() 2021-03-16 16:32:48 +08:00
rfkill Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
rose Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
rxrpc rxrpc: Fix race between recvmsg and sendmsg on immediate call failure 2021-03-16 16:33:09 +08:00
sched sched: consistently handle layer3 header accesses in the presence of VLANs 2021-03-16 16:31:44 +08:00
sctp sctp: shrink stream outq when fails to do addstream reconf 2021-03-16 16:32:42 +08:00
smc Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
strparser Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
sunrpc svcrdma: Fix another Receive buffer leak 2021-03-16 16:34:32 +08:00
switchdev Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
tipc tipc: block BH before using dst_cache 2021-03-16 16:28:25 +08:00
tls net/tls: Fix kmap usage 2021-03-16 16:33:49 +08:00
toa Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
unix Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
vmw_vsock vsock/virtio: annotate 'the_virtio_vsock' RCU pointer 2021-03-16 16:32:24 +08:00
wimax Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
wireless cfg80211: check vendor command doit pointer before use 2021-03-16 16:33:07 +08:00
x25 net/x25: Fix null-ptr-deref in x25_disconnect 2021-03-16 16:32:48 +08:00
xdp xdp: Fix xsk_generic_xmit errno 2021-03-16 16:30:35 +08:00
xfrm xfrm: policy: match with both mark and mask on user interfaces 2021-03-16 16:32:49 +08:00
Kconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Makefile Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
compat.c net/compat: Add missing sock updates for SCM_RIGHTS 2021-03-16 16:34:05 +08:00
socket.c net: Set fput_needed iff FDPUT_FPUT is set 2021-03-16 16:33:49 +08:00
sysctl_net.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00