aha/net
Eric Dumazet 47e1c32306 tcp: fix a timewait refcnt race
After TCP RCU conversion, tw->tw_refcnt should not be set to 1 in
inet_twsk_alloc(). It allows a RCU reader to get this timewait socket,
while we not yet stabilized it.

Only choice we have is to set tw_refcnt to 0 in inet_twsk_alloc(),
then atomic_add() it later, once everything is done.

Location of this atomic_add() is tricky, because we dont want another
writer to find this timewait in ehash, while tw_refcnt is still zero !

Thanks to Kapil Dakhane tests and reports.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-12-03 16:17:44 -08:00
..
9p net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
802
8021q netdevice: provide common routine for macvlan and vlan operstate management 2009-12-03 15:59:22 -08:00
appletalk net: use net_eq to compare nets 2009-11-25 15:14:13 -08:00
atm net: use net_eq to compare nets 2009-11-25 15:14:13 -08:00
ax25 net: use net_eq to compare nets 2009-11-25 15:14:13 -08:00
bluetooth Bluetooth: Add RFCOMM option to use L2CAP ERTM mode 2009-12-03 19:34:26 +01:00
bridge net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
can net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
core netdevice: provide common routine for macvlan and vlan operstate management 2009-12-03 15:59:22 -08:00
dcb net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
dccp TCPCT part 1a: add request_values parameter for sending SYNACK 2009-12-02 22:07:23 -08:00
decnet net: Allow fib_rule_unregister to batch 2009-12-03 12:22:55 -08:00
dsa
econet net: use net_eq to compare nets 2009-11-25 15:14:13 -08:00
ethernet remove deprecated and not used: print_mac() 2009-11-15 22:21:34 -08:00
ieee802154 net: use net_eq to compare nets 2009-11-25 15:14:13 -08:00
ipv4 tcp: fix a timewait refcnt race 2009-12-03 16:17:44 -08:00
ipv6 tcp: connect() race with timewait reuse 2009-12-03 16:17:43 -08:00
ipx net: use net_eq to compare nets 2009-11-25 15:14:13 -08:00
irda net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
iucv iucv: add work_queue cleanup for suspend 2009-11-13 20:46:58 -08:00
key net: Simplify af_key pernet operations. 2009-12-01 16:15:54 -08:00
lapb
llc net: use net_eq to compare nets 2009-11-25 15:14:13 -08:00
mac80211 Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-12-01 22:13:38 -08:00
netfilter Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6 2009-12-03 13:23:12 -08:00
netlabel net: rename skb->iif to skb->skb_iif 2009-11-20 15:35:04 -08:00
netlink net: use net_eq to compare nets 2009-11-25 15:14:13 -08:00
netrom net: use net_eq to compare nets 2009-11-25 15:14:13 -08:00
packet net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
phonet net: Simplify phonet pernet operations. 2009-12-01 16:15:57 -08:00
rds net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
rfkill Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-11-29 00:57:15 -08:00
rose net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
rxrpc net: use net_eq to compare nets 2009-11-25 15:14:13 -08:00
sched net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
sctp sctp: fix sctp_setsockopt_autoclose compile warning 2009-12-02 01:16:49 -08:00
sunrpc Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-12-01 22:13:38 -08:00
tipc net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
unix net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
wanrouter
wimax net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
wireless net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
x25 X25: Fix oops and refcnt problems from x25_dev_get 2009-11-29 00:25:02 -08:00
xfrm net: Allow xfrm_user_net_exit to batch efficiently. 2009-12-03 12:22:03 -08:00
compat.c net: compat_sys_recvmmsg user timespec arg can be NULL 2009-12-02 01:23:23 -08:00
Kconfig
Makefile
nonet.c
socket.c net: compat_mmsghdr must be used in sys_recvmmsg 2009-12-02 01:23:23 -08:00
sysctl_net.c
TUNABLE