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Cong Wang 455f05ecd2 vsock: split dwork to avoid reinitializations 
syzbot reported that we reinitialize an active delayed
work in vsock_stream_connect():

	ODEBUG: init active (active state 0) object type: timer_list hint:
	delayed_work_timer_fn+0x0/0x90 kernel/workqueue.c:1414
	WARNING: CPU: 1 PID: 11518 at lib/debugobjects.c:329
	debug_print_object+0x16a/0x210 lib/debugobjects.c:326

The pattern is apparently wrong, we should only initialize
the dealyed work once and could repeatly schedule it. So we
have to move out the initializations to allocation side.
And to avoid confusion, we can split the shared dwork
into two, instead of re-using the same one.

Fixes: d021c34405 ("VSOCK: Introduce VM Sockets")
Reported-by: <syzbot+8a9b1bd330476a4f3db6@syzkaller.appspotmail.com>
Cc: Andy king <acking@vmware.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Jorgen Hansen <jhansen@vmware.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-07 12:39:13 -07:00
..
6lowpan
9p net/9p/client.c: put refcount of trans_mod in error case in parse_opts() 2018-07-14 11:11:09 -07:00
802
8021q net: fix use-after-free in GRO with ESP 2018-07-02 20:34:04 +09:00
appletalk Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
atm Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
ax25 Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
batman-adv batman-adv: Fix multicast TT issues with bogus ROAM flags 2018-06-23 10:29:33 +02:00
bluetooth Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
bpf bpf: fix panic due to oob in bpf_prog_test_run_skb 2018-07-11 16:10:57 -07:00
bpfilter bpfilter: include bpfilter_umh in assembly instead of using objcopy 2018-06-28 21:39:16 +09:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-06-16 07:39:34 +09:00
caif net: caif: Add a missing rcu_read_unlock() in caif_flow_cb 2018-07-21 16:14:39 -07:00
can Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
ceph The main piece is a set of libceph changes that revamps how OSD 2018-06-15 07:24:58 +09:00
core Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2018-07-28 21:02:21 -07:00
dcb treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
dccp Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
decnet Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
dns_resolver KEYS: DNS: fix parsing multiple options 2018-07-16 11:22:14 -07:00
dsa net: dsa: Do not suspend/resume closed slave_dev 2018-08-01 09:53:45 -07:00
ethernet net: core: rework basic flow dissection helper 2018-05-08 00:02:36 -04:00
hsr
ieee802154 ieee802154: 6lowpan: set IFLA_LINK 2018-07-05 11:13:17 +02:00
ife net: sched: ife: check on metadata length 2018-04-22 21:12:00 -04:00
ipv4 ipv4: frags: handle possible skb truesize change 2018-07-31 14:41:29 -07:00
ipv6 ip6_tunnel: use the right value for ipv4 min mtu check in ip6_tnl_xmit 2018-08-05 17:35:02 -07:00
iucv Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
kcm Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
key Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
l2tp l2tp: fix missing refcount drop in pppol2tp_tunnel_ioctl() 2018-08-03 12:39:01 -07:00
l3mdev
lapb
llc Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
mac80211 nl80211/mac80211: allow non-linear skb in rx_control_port 2018-07-06 14:34:42 +02:00
mac802154 net/mac802154: disambiguate mac80215 vs mac802154 trace events 2018-03-28 22:55:18 +02:00
mpls net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
ncsi net/ncsi: Use netdev_dbg for debug messages 2018-06-20 07:26:58 +09:00
netfilter netfilter: nf_tables: move dumper state allocation into ->start 2018-07-24 00:36:33 +02:00
netlabel audit: use inline function to get audit context 2018-05-14 17:24:18 -04:00
netlink netlink: Don't shift on 64 for ngroups 2018-08-04 17:52:51 -07:00
netrom Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
nfc net/nfc: Avoid stalls when nfc_alloc_send_skb() returned NULL. 2018-07-18 10:51:45 -07:00
nsh nsh: set mac len based on inner packet 2018-07-12 16:55:29 -07:00
openvswitch openvswitch: meter: Fix setting meter id for new entries 2018-07-29 13:20:54 -07:00
packet packet: refine ring v3 block size test to hold one frame 2018-08-06 13:48:33 -07:00
phonet Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
psample
qrtr net: qrtr: Reset the node and port ID of broadcast messages 2018-07-05 20:20:03 +09:00
rds RDS: RDMA: Fix the NULL-ptr deref in rds_ib_get_mr 2018-07-26 14:03:07 -07:00
rfkill rfkill: Create rfkill-none LED trigger 2018-05-23 11:26:45 +02:00
rose Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
rxrpc rxrpc: Fix user call ID check in rxrpc_service_prealloc_one 2018-08-01 11:49:49 -07:00
sched net: sched: Using NULL instead of plain integer 2018-07-18 13:44:07 -07:00
sctp sctp: fix the issue that pathmtu may be set lower than MINSEGMENT 2018-07-04 21:36:34 +09:00
smc net/smc: no cursor update send in state SMC_INIT 2018-08-04 13:09:33 -07:00
strparser strparser: Remove early eaten to fix full tcp receive buffer stall 2018-06-28 21:37:26 +09:00
sunrpc NFS client bugfixes for Linux 4.18 2018-06-22 06:21:34 +09:00
switchdev
tipc tipc: make function tipc_net_finalize() thread safe 2018-07-07 19:49:02 +09:00
tls tls: check RCV_SHUTDOWN in tls_wait_data 2018-07-20 14:38:14 -07:00
unix Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
vmw_vsock vsock: split dwork to avoid reinitializations 2018-08-07 12:39:13 -07:00
wimax
wireless cfg80211: never ignore user regulatory hint 2018-07-24 09:11:31 +02:00
x25 Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL 2018-06-28 10:40:47 -07:00
xdp net: xsk: don't return frames via the allocator on error 2018-07-31 02:03:19 +02:00
xfrm xfrm: free skb if nlsk pointer is NULL 2018-06-25 16:43:36 +02:00
compat.c net: support compat 64-bit time in {s,g}etsockopt 2018-04-27 19:46:06 -04:00
Kconfig net: Introduce generic failover module 2018-05-28 22:59:54 -04:00
Makefile bpfilter: check compiler capability in Kconfig 2018-06-28 13:36:39 +09:00
socket.c net: socket: Fix potential spectre v1 gadget in sock_is_registered 2018-07-28 22:43:30 -07:00
sysctl_net.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00