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Trond Myklebust 77d77ab09b SUNRPC: We must not use list_for_each_entry_safe() in rpc_wake_up() 
commit 540a0f7584 upstream.

The problem is that for the case of priority queues, we
have to assume that __rpc_remove_wait_queue_priority will move new
elements from the tk_wait.links lists into the queue->tasks[] list.
We therefore cannot use list_for_each_entry_safe() on queue->tasks[],
since that will skip these new tasks that __rpc_remove_wait_queue_priority
is adding.

Without this fix, rpc_wake_up and rpc_wake_up_status will both fail
to wake up all functions on priority wait queues, which can result
in some nasty hangs.

Reported-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-02 09:27:17 -07:00
..
9p net/9p: Fix kernel crash with msize 512K 2011-10-03 11:40:22 -07:00
802 snap: remove one synchronize_net() 2011-05-23 16:29:24 -04:00
8021q vlan: reset headers on accel emulation path 2011-10-03 11:40:55 -07:00
appletalk appletalk: Fix OOPS in atalk_release(). 2011-03-31 18:59:10 -07:00
atm net: fix NULL dereferences in check_peer_redir() 2012-02-13 11:06:13 -08:00
ax25 ax25: Fix set-but-unused variable. 2011-04-17 00:48:31 -07:00
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2011-05-20 13:43:21 -07:00
bluetooth Bluetooth: Fix timeout on scanning for the second time 2011-10-03 11:41:01 -07:00
bridge bridge: check return value of ipv6_dev_get_saddr() 2012-03-19 08:57:46 -07:00
caif net caif: Register properly as a pernet subsystem. 2012-02-03 09:19:03 -08:00
can can bcm: fix incomplete tx_setup fix 2011-11-11 09:36:45 -08:00
ceph ceph: fix file mode calculation 2011-07-19 11:25:04 -07:00
core neighbour: Fixed race condition at tbl->nht 2012-03-19 08:57:45 -07:00
dcb net: dcbnl: Update copyright dates 2011-03-14 17:02:42 -07:00
dccp net: Compute protocol sequence numbers and fragment IDs using MD5. 2011-08-15 18:31:35 -07:00
decnet net: fix NULL dereferences in check_peer_redir() 2012-02-13 11:06:13 -08:00
dns_resolver KEYS: Improve /proc/keys 2011-03-17 11:59:32 +11:00
dsa Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2011-05-05 14:59:02 -07:00
econet econet: Fix set-but-unused variable. 2011-04-17 00:15:22 -07:00
ethernet net: add IFF_SKB_TX_SHARED flag to priv_flags 2011-08-15 18:31:38 -07:00
ieee802154 ieee802154: Don't leak memory in ieee802154_nl_fill_phy 2011-06-13 18:03:22 -04:00
ipv4 tcp: fix syncookie regression 2012-03-23 11:20:51 -07:00
ipv6 ipv6: Don't dev_hold(dev) in ip6_mc_find_dev_rcu. 2012-03-23 11:20:52 -07:00
ipx ipx: fix ipx_release() 2011-03-21 18:16:39 -07:00
irda irda: iriap: Use seperate lockdep class for irias_objects->hb_spinlock 2011-06-06 17:00:35 -07:00
iucv [S390] irq: merge irq.c and s390_ext.c 2011-05-26 09:48:24 +02:00
key net: convert %p usage to %pK 2011-05-24 01:13:12 -04:00
l2tp l2tp: l2tp_ip - fix possible oops on packet receive 2012-02-03 09:19:04 -08:00
lapb
llc llc: llc_cmsg_rcv was getting called after sk_eat_skb. 2012-01-06 14:14:06 -08:00
mac80211 mac80211: zero initialize count field in ieee80211_tx_rate 2012-03-12 10:32:56 -07:00
netfilter ipvs: fix matching of fwmark templates during scheduling 2012-02-29 16:34:31 -08:00
netlabel Remove prefetch() from <linux/skbuff.h> and "netlabel_addrlist.h" 2011-05-22 21:43:41 -07:00
netlink net: convert %p usage to %pK 2011-05-24 01:13:12 -04:00
netrom NET: AX.25, NETROM, ROSE: Remove SOCK_DEBUG calls 2011-04-14 00:20:07 -07:00
packet make PACKET_STATISTICS getsockopt report consistently between ring and non-ring 2011-11-11 09:36:29 -08:00
phonet net: convert %p usage to %pK 2011-05-24 01:13:12 -04:00
rds rds: Make rds_sock_lock BH rather than IRQ safe. 2012-02-03 09:19:04 -08:00
rfkill net: rfkill: add generic gpio rfkill driver 2011-05-19 13:53:54 -04:00
rose NET: AX.25, NETROM, ROSE: Remove SOCK_DEBUG calls 2011-04-14 00:20:07 -07:00
rxrpc rxrpc: Fix set but unused variable 'usage' in rxrpc_get_transport() 2011-05-19 18:51:50 -04:00
sched net_sched: Bug in netem reordering 2012-02-29 16:34:07 -08:00
sctp sctp: Do not account for sizeof(struct sk_buff) in estimated rwnd 2012-01-06 14:14:09 -08:00
sunrpc SUNRPC: We must not use list_for_each_entry_safe() in rpc_wake_up() 2012-04-02 09:27:17 -07:00
tipc tipc: Revise timings used when sending link request messages 2011-05-10 16:04:02 -04:00
unix net: convert %p usage to %pK 2011-05-24 01:13:12 -04:00
wanrouter Fix common misspellings 2011-03-31 11:26:23 -03:00
wimax
wireless cfg80211: amend regulatory NULL dereference fix 2011-12-09 08:52:45 -08:00
x25 x25: Prevent skb overreads when checking call user data 2011-10-25 07:10:17 +02:00
xfrm net: fix NULL dereferences in check_peer_redir() 2012-02-13 11:06:13 -08:00
compat.c net: Add sendmmsg socket system call 2011-05-05 11:10:14 -07:00
Kconfig bpf: depends on MODULES 2011-04-29 10:20:53 -07:00
Makefile net: Enter net/ipv6/ even if CONFIG_IPV6=n 2011-03-07 12:50:52 -08:00
nonet.c
socket.c sendmmsg/sendmsg: fix unsafe user pointer access 2011-10-03 11:39:54 -07:00
sysctl_net.c
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