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linux/net/wireless
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Rajkumar Manoharan 2204ce849e mac80211: strictly check mesh address extension mode 
commit 5667c86acf upstream.

Mesh forwarding path checks for address extension mode to fetch
appropriate proxied address and MPP address. Existing condition
that looks for 6 address format is not strict enough so that
frames with improper values are processed and invalid entries
are added into MPP table. Fix that by adding a stricter check before
processing the packet.

Per IEEE Std 802.11s-2011 spec. Table 7-6g1 lists address extension
mode 0x3 as reserved one. And also Table Table 9-13 does not specify
0x3 as valid address field.

Fixes: 9b395bc3be ("mac80211: verify that skb data is present")
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
[bwh: Backported to 3.16: add mesh_flags variable in ieee80211_data_to_8023(),
 added separately upstream]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
History 2017-09-15 18:29:42 +01:00
..
.gitignore wireless: support internal statically compiled regulatory database 2009-12-21 18:56:10 -05:00
ap.c cfg80211: export interface stopping function 2014-05-06 15:16:34 +02:00
chan.c cfg80211: Fix 160 MHz channels with 80+80 and 160 MHz drivers 2015-01-15 10:44:02 +00:00
core.c cfg80211/wext: fix message ordering 2016-03-24 10:01:07 +00:00
core.h cfg80211/mac80211: fix BSS leaks when abandoning assoc attempts 2017-03-16 02:26:32 +00:00
db.txt wireless: support internal statically compiled regulatory database 2009-12-21 18:56:10 -05:00
debugfs.c mac80211: fix some snprintf misuses 2013-10-01 12:16:51 +02:00
debugfs.h cfg80211/mac80211: use debugfs_remove_recursive 2009-10-30 16:49:18 -04:00
ethtool.c cfg80211: change wiphy_to_dev function name 2014-04-25 17:33:04 +02:00
ethtool.h net/wireless/ethtool.h: drop unnecessary include of linux/ethtool.h 2009-10-07 16:39:49 -04:00
genregdb.awk regdb: Generalize the mW to dBm power conversion 2014-05-27 17:58:58 +02:00
ibss.c cfg80211: constify more pointers in the cfg80211 API 2014-05-19 17:53:16 +02:00
Kconfig cfg80211: Enable GO operation on additional channels 2014-04-09 10:55:34 +02:00
lib80211.c lib80211: remove exports for functions not called by other modules 2011-08-09 15:42:36 -04:00
lib80211_crypt_ccmp.c hostap: Don't use create_proc_read_entry() 2013-04-29 15:41:56 -04:00
lib80211_crypt_tkip.c hostap: Don't use create_proc_read_entry() 2013-04-29 15:41:56 -04:00
lib80211_crypt_wep.c hostap: Don't use create_proc_read_entry() 2013-04-29 15:41:56 -04:00
Makefile cfg80211: add tracing to rdev-ops 2012-10-18 10:53:37 +02:00
mesh.c cfg80211: export interface stopping function 2014-05-06 15:16:34 +02:00
mlme.c cfg80211/mac80211: fix BSS leaks when abandoning assoc attempts 2017-03-16 02:26:32 +00:00
nl80211.c nl80211: fix dumpit error path RTNL deadlocks 2017-07-18 18:40:16 +01:00
nl80211.h cfg80211: send events when devices are added/removed 2014-05-26 13:52:25 +02:00
radiotap.c radiotap: fix bitmap-end-finding buffer overrun 2013-12-16 12:06:43 +01:00
rdev-ops.h cfg80211: implement cfg80211_get_station cfg80211 API 2014-05-21 09:15:17 +02:00
reg.c cfg80211: don't WARN about two consecutive Country IE hint 2015-01-15 10:44:04 +00:00
reg.h cfg80211: Enable GO operation on indoor channels 2014-04-09 10:55:37 +02:00
regdb.h cfg80211: relicense reg.c reg.h and genregdb.awk to ISC 2012-01-04 14:30:41 -05:00
scan.c cfg80211: limit scan results cache size 2017-02-23 03:54:37 +00:00
sme.c cfg80211/mac80211: fix BSS leaks when abandoning assoc attempts 2017-03-16 02:26:32 +00:00
sysfs.c net: wireless: convert class code to use dev_groups 2013-07-25 16:34:40 -07:00
sysfs.h net: misc: Remove extern from function prototypes 2013-10-19 19:12:11 -04:00
trace.c cfg80211: add tracing to rdev-ops 2012-10-18 10:53:37 +02:00
trace.h cfg80211: fix mic_failure tracing 2014-07-18 09:53:56 +02:00
util.c mac80211: strictly check mesh address extension mode 2017-09-15 18:29:42 +01:00
wext-compat.c cfg80211: wext: clear sinfo struct before calling driver 2015-06-30 17:15:23 +01:00
wext-compat.h cfg80211: remove unused wiphy argument from cfg80211_wext_freq() 2014-04-10 10:06:19 +02:00
wext-core.c cfg80211/wext: fix message ordering 2016-03-24 10:01:07 +00:00
wext-priv.c wext: fix potential private ioctl memory content leak 2010-09-20 13:41:40 -04:00
wext-proc.c net: proc: change proc_net_remove to remove_proc_entry 2013-02-18 14:53:08 -05:00
wext-sme.c cfg80211: change wiphy_to_dev function name 2014-04-25 17:33:04 +02:00
wext-spy.c wireless: Convert compare_ether_addr to ether_addr_equal 2012-05-09 20:49:19 -04:00