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Stefano Garzarella ad8a722035 vsock/virtio: fix sock refcnt holding during the shutdown 
The "42f5cda5eaf4" commit rightly set SOCK_DONE on peer shutdown,
but there is an issue if we receive the SHUTDOWN(RDWR) while the
virtio_transport_close_timeout() is scheduled.
In this case, when the timeout fires, the SOCK_DONE is already
set and the virtio_transport_close_timeout() will not call
virtio_transport_reset() and virtio_transport_do_close().
This causes that both sockets remain open and will never be released,
preventing the unloading of [virtio|vhost]_transport modules.

This patch fixes this issue, calling virtio_transport_reset() and
virtio_transport_do_close() when we receive the SHUTDOWN(RDWR)
and there is nothing left to read.

Fixes: 42f5cda5ea ("vsock/virtio: set SOCK_DONE on peer shutdown")
Cc: Stephen Barber <smbarber@chromium.org>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2019-11-08 12:17:50 -08:00
..
6lowpan 6lowpan: no need to check return value of debugfs_create functions 2019-07-06 12:50:01 +02:00
9p 9p pull request for inclusion in 5.4 2019-09-27 15:10:34 -07:00
802 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
8021q net: remove unnecessary variables and callback 2019-10-24 14:53:49 -07:00
appletalk appletalk: enforce CAP_NET_RAW for raw sockets 2019-09-24 16:37:18 +02:00
atm net: use skb_queue_empty_lockless() in poll() handlers 2019-10-28 13:33:41 -07:00
ax25 ax25: enforce CAP_NET_RAW for raw sockets 2019-09-24 16:37:18 +02:00
batman-adv Here are two batman-adv bugfixes: 2019-10-28 16:39:07 -07:00
bluetooth net: use skb_queue_empty_lockless() in poll() handlers 2019-10-28 13:33:41 -07:00
bpf bpf/flow_dissector: support flags in BPF_PROG_TEST_RUN 2019-07-25 18:00:41 -07:00
bpfilter Kbuild updates for v5.3 2019-07-12 16:03:16 -07:00
bridge bridge: ebtables: don't crash when using dnat target in output chains 2019-11-04 20:58:34 +01:00
caif net: use skb_queue_empty_lockless() in poll() handlers 2019-10-28 13:33:41 -07:00
can can: j1939: transport: j1939_xtp_rx_eoma_one(): Add sanity check for correct total message size 2019-11-04 21:47:23 +01:00
ceph libceph: use ceph_kvmalloc() for osdmap arrays 2019-09-16 12:06:25 +02:00
core net/tls: fix sk_msg trim on fallback to copy mode 2019-11-05 18:07:47 -08:00
dcb treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 2019-05-30 11:29:52 -07:00
dccp dccp: do not leak jiffies on the wire 2019-11-04 11:36:31 -08:00
decnet net: use skb_queue_empty_lockless() in poll() handlers 2019-10-28 13:33:41 -07:00
dns_resolver Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
dsa net: core: add generic lockdep keys 2019-10-24 14:53:48 -07:00
ethernet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-07 11:00:14 -07:00
hsr hsr: switch ->dellink() to ->ndo_uninit() 2019-07-11 14:37:45 -07:00
ieee802154 net: core: add generic lockdep keys 2019-10-24 14:53:48 -07:00
ife net: Fix Kconfig indentation 2019-09-26 08:56:17 +02:00
ipv4 ipv4: Fix table id reference in fib_sync_down_addr 2019-11-07 16:14:36 -08:00
ipv6 ipv6: fixes rt6_probe() and fib6_nh->last_probe init 2019-11-07 16:13:13 -08:00
iucv net/af_iucv: mark expected switch fall-throughs 2019-07-29 10:26:14 -07:00
kcm kcm: disable preemption in kcm_parse_func_strparser() 2019-09-27 10:27:14 +02:00
key Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-07-08 19:48:57 -07:00
l2tp net: core: add generic lockdep keys 2019-10-24 14:53:48 -07:00
l3mdev ipv6: convert major tx path to use RT6_LOOKUP_F_DST_NOREF 2019-06-23 13:24:17 -07:00
lapb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-17 20:20:36 -07:00
llc net: silence KCSAN warnings around sk_add_backlog() calls 2019-10-09 21:42:59 -07:00
mac80211 mac80211: fix station inactive_time shortly after boot 2019-11-08 09:17:28 +01:00
mac802154 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
mpls ipv4: mpls: fix mpls_xmit for iptunnel 2019-08-25 14:34:08 -07:00
ncsi net/ncsi: Disable global multicast filter 2019-09-19 18:04:40 -07:00
netfilter Merge branch 'master' of git://blackhole.kfki.hu/nf 2019-11-04 20:59:00 +01:00
netlabel netlabel: remove redundant assignment to pointer iter 2019-09-01 11:45:02 -07:00
netlink net: remove empty netlink_tap_exit_net 2019-06-14 19:50:33 -07:00
netrom net: core: add generic lockdep keys 2019-10-24 14:53:48 -07:00
nfc nfc: netlink: fix double device reference drop 2019-11-07 15:23:19 -08:00
nsh treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
openvswitch netns: fix GFP flags in rtnl_net_notifyid() 2019-10-25 20:14:42 -07:00
packet netfilter: drop bridge nf reset from nf_reset 2019-10-01 18:42:15 +02:00
phonet net: use skb_queue_empty_lockless() in poll() handlers 2019-10-28 13:33:41 -07:00
psample net: sched: take reference to psample group in flow_action infra 2019-09-16 09:18:03 +02:00
qrtr net: qrtr: Stop rx_worker before freeing node 2019-09-21 18:45:46 -07:00
rds net/rds: Fix error handling in rds_ib_add_one() 2019-10-02 12:16:57 -04:00
rfkill treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rose net: core: add generic lockdep keys 2019-10-24 14:53:48 -07:00
rxrpc rxrpc: Fix handling of last subpacket of jumbo packet 2019-10-31 12:23:09 -07:00
sched net: sched: prevent duplicate flower rules from tcf_proto destroy race 2019-11-05 17:47:26 -08:00
sctp inet: stop leaking jiffies on the wire 2019-11-01 14:57:52 -07:00
smc net/smc: fix ethernet interface refcounting 2019-11-06 17:44:32 -08:00
strparser Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-22 08:59:24 -04:00
sunrpc SUNRPC: Destroy the back channel when we destroy the host transport 2019-10-30 12:04:35 -04:00
switchdev treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
tipc net: use skb_queue_empty_lockless() in poll() handlers 2019-10-28 13:33:41 -07:00
tls net/tls: add a TX lock 2019-11-06 17:33:32 -08:00
unix net: use skb_queue_empty_lockless() in poll() handlers 2019-10-28 13:33:41 -07:00
vmw_vsock vsock/virtio: fix sock refcnt holding during the shutdown 2019-11-08 12:17:50 -08:00
wimax wimax: no need to check return value of debugfs_create functions 2019-08-10 15:25:47 -07:00
wireless nl80211: fix validation of mesh path nexthop 2019-10-30 10:11:18 +01:00
x25 net: silence KCSAN warnings around sk_add_backlog() calls 2019-10-09 21:42:59 -07:00
xdp xsk: Fix registration of Rx-only sockets 2019-10-23 20:22:11 -07:00
xfrm netfilter: drop bridge nf reset from nf_reset 2019-10-01 18:42:15 +02:00
Kconfig devlink: Add packet trap infrastructure 2019-08-17 12:40:08 -07:00
Makefile
…
compat.c uio: make import_iovec()/compat_import_iovec() return bytes on success 2019-05-31 15:30:03 -06:00
socket.c Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
sysctl_net.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00