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e46a2cf9e1
linux/net
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Mohammed Shafi Shajakhan e46a2cf9e1 mac80211: fix kernel panic in IBSS due to a regression 
kernel panic occurs when we create an IBSS mode and leave it for
sometime without any joiner and this is introduced by the
commit ec2b774e7c where we don't
put proper braces for 'list_for_each_entry_safe' and we pass an
invalid 'sta' pointer to __sta_info_destroy

EIP is at __list_add+0xe/0xa0
EAX: f3b63db4 EBX: 00000000 ECX: eab88c1c EDX: 00000000
ESI: 00000000 EDI: 00000246 EBP: f3b63d80 ESP: f3b63d58
DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process kworker/u:2 (pid: 198, ti=f3b62000 task=f3afbea0
task.ti=f3b62000)
Stack:
00000000 00000000 f9ef9821 00000000 00000000 eab88c30
f3b63d80 c017f623
eab88bf0 eab88bf0 f3b63dd0 c066f925 00000000 00000002
00000000 f9ef9821
f3b63da0 c0180a2b eab88c1c eab88c30 00000002 f3afbea0
eab88bf4 f3b63db4
 Call Trace:
[<f9ef9821>] ? __ieee80211_stop_tx_ba_session+0x31/0x60
[mac80211]
[<c017f623>] ? debug_mutex_add_waiter+0x23/0x60
[<c066f925>] __mutex_lock_common+0xd5/0x390
[<f9ef9821>] ? __ieee80211_stop_tx_ba_session+0x31/0x60
[mac80211]
[<c0180a2b>] ? trace_hardirqs_off+0xb/0x10
[<c066fd37>] mutex_lock_nested+0x47/0x60
[<f9ef9821>] ? __ieee80211_stop_tx_ba_session+0x31/0x60
[mac80211]
[<f9ef9821>] __ieee80211_stop_tx_ba_session+0x31/0x60
[mac80211]
[<f9ef8989>] ieee80211_sta_tear_down_BA_sessions+0x39/0x60 [mac80211]
[<f9ef1a67>] __sta_info_destroy+0x57/0x780 [mac80211]
[<f9ef2223>] ieee80211_sta_expire+0x93/0xb0 [mac80211]
[<f9efc8f6>] ieee80211_ibss_work+0x2d6/0x530 [mac80211]

Cc: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-01-04 14:30:46 -05:00
..
9p net/9p: Convert net/9p protocol dumps to tracepoints 2011-10-24 11:13:12 -05:00
802 net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
8021q Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
appletalk net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
atm net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
ax25 net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
batman-adv Merge branch 'batman-adv/maint' of git://git.open-mesh.org/linux-merge 2011-10-30 03:05:07 -04:00
bluetooth Bluetooth: Fix a compile warning in RFCOMM 2011-12-27 14:43:41 -02:00
bridge Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
caif net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
can can: remove references to berlios mailinglist 2011-10-17 19:22:46 -04:00
ceph net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
core Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux 2011-11-22 14:05:46 -05:00
dcb net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
dccp Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
decnet net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
dns_resolver
dsa net: Fix files explicitly needing to include module.h 2011-10-31 19:30:28 -04:00
econet af_econet: Use current logging styles and neatening 2011-07-03 20:05:16 -07:00
ethernet net: don't clear IFF_XMIT_DST_RELEASE in ether_setup 2011-09-15 14:49:44 -04:00
ieee802154 net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
ipv4 Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
ipv6 Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
ipx net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
irda net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
iucv net: more accurate skb truesize 2011-10-13 16:05:07 -04:00
key net: Remove casts of void * 2011-06-16 23:19:27 -04:00
l2tp l2tp: fix race in l2tp_recv_dequeue() 2011-11-03 18:02:13 -04:00
lapb wan: make LAPB callbacks const 2011-09-16 19:20:20 -04:00
llc net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
mac80211 mac80211: fix kernel panic in IBSS due to a regression 2012-01-04 14:30:46 -05:00
netfilter Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
netlabel Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net 2011-08-20 10:39:12 -07:00
netlink af_unix: dont send SCM_CREDENTIALS by default 2011-09-28 13:29:50 -04:00
netrom net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
nfc NFC: Export a new attribute nfcid1 in target info 2012-01-04 14:30:43 -05:00
packet af_packet: de-inline some helper functions 2011-11-03 18:11:51 -04:00
phonet net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
rds Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
rfkill net/rfkill/rfkill-gpio.c: introduce missing kfree 2012-01-04 14:30:46 -05:00
rose net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
rxrpc net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
sched net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
sctp Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
sunrpc Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
tipc net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
unix af_unix: dont send SCM_CREDENTIALS by default 2011-09-28 13:29:50 -04:00
wanrouter wanrouter: Remove kernel_lock annotations 2011-11-07 13:27:30 -05:00
wimax net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
wireless wireless: Treat IPv6 diffserv the same as IPv4 for 802.11e 2012-01-04 14:30:43 -05:00
x25 Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
xfrm net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
compat.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
Kconfig NFC: add nfc subsystem core 2011-07-05 15:26:57 -04:00
Makefile NFC: add nfc subsystem core 2011-07-05 15:26:57 -04:00
nonet.c
socket.c net: add wireless TX status socket option 2011-11-09 16:01:02 -05:00
sysctl_net.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00