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Ursula Braun 301428ea37 net/smc: fix refcounting for non-blocking connect() 
If a nonblocking socket is immediately closed after connect(),
the connect worker may not have started. This results in a refcount
problem, since sock_hold() is called from the connect worker.
This patch moves the sock_hold in front of the connect worker
scheduling.

Reported-by: syzbot+4c063e6dea39e4b79f29@syzkaller.appspotmail.com
Fixes: 50717a37db03 ("net/smc: nonblocking connect rework")
Reviewed-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-29 18:09:50 -07:00
..
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
net: core: add generic lockdep keys
2019-10-24 14:53:48 -07:00
caif
net: use skb_queue_empty_lockless() in poll() handlers
2019-10-28 13:33:41 -07:00
can
can: add support of SAE J1939 protocol
2019-09-04 14:22:33 +02:00
ceph
libceph: use ceph_kvmalloc() for osdmap arrays
2019-09-16 12:06:25 +02:00
core
net: add READ_ONCE() annotation in __skb_wait_for_more_packets()
2019-10-28 13:33:41 -07:00
dcb
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
2019-05-30 11:29:52 -07:00
dccp
netfilter: drop bridge nf reset from nf_reset
2019-10-01 18:42:15 +02:00
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
erspan: fix the tun_info options_len check for erspan
2019-10-29 17:36:42 -07:00
ipv6
erspan: fix the tun_info options_len check for erspan
2019-10-29 17:36:42 -07:00
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 scan when operating on DFS channels in ETSI domains
2019-10-07 22:10:50 +02:00
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 tag 'ipvs-fixes-for-v5.4' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs
2019-10-26 12:42:45 +02:00
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
net: use skb_queue_empty_lockless() in poll() handlers
2019-10-28 13:33:41 -07:00
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: use rcu protection while reading sk->sk_user_data
2019-10-16 12:20:17 -07:00
sched
net: sch_generic: Use pfifo_fast as fallback scheduler for CAN hardware
2019-10-25 16:14:05 -07:00
sctp
net: use skb_queue_empty_lockless() in busy poll contexts
2019-10-28 13:33:41 -07:00
smc
net/smc: fix refcounting for non-blocking connect()
2019-10-29 18:09:50 -07:00
strparser
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-06-22 08:59:24 -04:00
sunrpc
SUNRPC: fix race to sk_err after xs_error_report
2019-10-10 16:14:28 -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: align non temporal copy to cache lines
2019-09-07 18:10:34 +02:00
unix
net: use skb_queue_empty_lockless() in poll() handlers
2019-10-28 13:33:41 -07:00
vmw_vsock
net: use skb_queue_empty_lockless() in poll() handlers
2019-10-28 13:33:41 -07:00
wimax
wimax: no need to check return value of debugfs_create functions
2019-08-10 15:25:47 -07:00
wireless
mac80211: fix scan when operating on DFS channels in ETSI domains
2019-10-07 22:10:50 +02:00
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
compat.c
uio: make import_iovec()/compat_import_iovec() return bytes on success
2019-05-31 15:30:03 -06:00
Kconfig
devlink: Add packet trap infrastructure
2019-08-17 12:40:08 -07:00
Makefile
…
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