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d72308bff5
linux/net
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Stanislaw Gruszka d72308bff5 mac80211: fix possible tid_rx->reorder_timer use after free 
Is possible that we will arm the tid_rx->reorder_timer after
del_timer_sync() in ___ieee80211_stop_rx_ba_session(). We need to stop
timer after RCU grace period finish, so move it to
ieee80211_free_tid_rx(). Timer will not be armed again, as
rcu_dereference(sta->ampdu_mlme.tid_rx[tid]) will return NULL.

Debug object detected problem with the following warning:
ODEBUG: free active (active state 0) object type: timer_list hint: sta_rx_agg_reorder_timer_expired+0x0/0xf0 [mac80211]

Bug report (with all warning messages):
https://bugzilla.redhat.com/show_bug.cgi?id=804007

Reported-by: "jan p. springer" <jsd@igroup.org>
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-26 15:07:29 -04:00
..
9p virtio: rename virtqueue_add_buf_gfp to virtqueue_add_buf 2012-01-12 15:44:42 +10:30
802
8021q vlan: static functions 2011-12-14 02:39:30 -05:00
appletalk
atm ppp: Replace uses of <linux/if_ppp.h> with <linux/ppp-ioctl.h> 2012-03-04 20:41:38 -05:00
ax25 ax25: avoid overflows in ax25_setsockopt() 2011-12-28 14:08:08 -05:00
batman-adv Merge tag 'batman-adv-for-davem' of git://git.open-mesh.org/linux-merge 2012-03-11 15:36:34 -07:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-03-20 21:04:47 -07:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-03-09 14:34:20 -08:00
caif caif: make zero a legal caif connetion id. 2012-03-11 15:38:16 -07:00
can
ceph Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2012-02-02 15:47:33 -08:00
core net: fix napi_reuse_skb() skb reserve 2012-03-21 16:52:09 -04:00
dcb
dccp dccp: fix bug in sequence number validation during connection setup 2012-03-03 09:02:52 -07:00
decnet decnet: remove unused variable from dn_output() 2012-02-05 17:44:55 -05:00
dns_resolver KEYS: Allow special keyrings to be cleared 2012-01-19 14:38:51 +11:00
dsa dsa: Move switch drivers to new directory drivers/net/dsa 2011-11-29 00:21:36 -05:00
econet net: Remove all uses of LL_ALLOCATED_SPACE 2011-11-18 14:37:09 -05:00
ethernet eth: reset addr_assign_type if eth_mac_addr() called 2012-02-13 00:46:41 -05:00
ieee802154 net/ieee802154/6lowpan.c: reuse eth_mac_addr() 2012-02-22 14:46:37 -05:00
ipv4 bonding: remove entries for master_ip and vlan_ip and query devices instead 2012-03-22 22:36:17 -04:00
ipv6 netfilter: remove forward module param confusion. 2012-03-22 22:36:17 -04:00
ipx
irda Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-03-20 21:04:47 -07:00
iucv af_iucv: add shutdown for HS transport 2012-03-07 22:52:24 -08:00
key net: use IS_ENABLED(CONFIG_IPV6) 2011-12-11 18:25:16 -05:00
l2tp l2tp: enable automatic module loading for l2tp_ppp 2012-03-21 22:14:56 -04:00
lapb
llc llc: Fix race condition in llc_ui_recvmsg 2012-01-24 15:33:19 -05:00
mac80211 mac80211: fix possible tid_rx->reorder_timer use after free 2012-03-26 15:07:29 -04:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-03-20 21:04:47 -07:00
netlabel netlabel: use GFP flags from caller instead of GFP_ATOMIC 2012-03-22 19:29:57 -04:00
netlink netlink: allow to pass data pointer to netlink_dump_start() callback 2012-02-26 14:10:44 -05:00
netrom netrom: avoid overflows in nr_setsockopt() 2011-12-28 14:08:08 -05:00
nfc NFC: NCI code identation fixes 2012-03-06 15:16:25 -05:00
openvswitch Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-03-09 14:34:20 -08:00
packet net: Add framework to allow sending packets with customized CRC. 2012-02-24 01:37:35 -08:00
phonet net: reintroduce missing rcu_assign_pointer() calls 2012-01-12 12:26:56 -08:00
rds RDS: use gfp flags from caller in conn_alloc() 2012-03-22 19:29:58 -04:00
rfkill Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2012-01-05 10:13:24 -05:00
rose
rxrpc RxRPC: Fix kcalloc parameters swapped 2012-02-14 14:41:55 -05:00
sched Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-03-20 21:04:47 -07:00
sctp sctp: Export sctp_do_peeloff 2012-03-08 13:52:08 -08:00
sunrpc sunrpc: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:28 +08:00
tipc tipc: Optimize setting of immutable payload message header fields 2012-02-29 11:45:35 -05:00
unix netlink: add netlink_dump_control structure for netlink_dump_start() 2012-02-26 14:10:06 -05:00
wanrouter
wimax
wireless cfg80211: allow CFG80211_SIGNAL_TYPE_UNSPEC in station_info 2012-03-26 15:07:25 -04:00
x25 net:x25: use IS_ENABLED 2011-12-16 15:49:52 -05:00
xfrm xfrm: Access the replay notify functions via the registered callbacks 2012-03-22 19:29:58 -04:00
compat.c net: get rid of some pointless casts to sockaddr 2012-03-11 19:11:22 -07:00
Kconfig net: Add Open vSwitch kernel components. 2011-12-03 09:35:17 -08:00
Makefile net: Add Open vSwitch kernel components. 2011-12-03 09:35:17 -08:00
nonet.c
socket.c net: get rid of some pointless casts to sockaddr 2012-03-11 19:11:22 -07:00
sysctl_net.c