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Johannes Berg 7dd3111280 nl80211: clear skb cb before passing to netlink 
commit bd8c78e78d upstream.

In testmode and vendor command reply/event SKBs we use the
skb cb data to store nl80211 parameters between allocation
and sending. This causes the code for CONFIG_NETLINK_MMAP
to get confused, because it takes ownership of the skb cb
data when the SKB is handed off to netlink, and it doesn't
explicitly clear it.

Clear the skb cb explicitly when we're done and before it
gets passed to netlink to avoid this issue.

Reported-by: Assaf Azulay <assaf.azulay@intel.com>
Reported-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-09 12:18:43 -07:00
..
.gitignore
ap.c cfg80211: move exported event functions into nl80211 2013-03-06 16:35:46 +01:00
chan.c cfg80211: allow drivers to selectively disable 80/160 MHz 2013-02-15 09:41:38 +01:00
core.c cfg80211: fix P2P GO interface teardown 2013-08-20 08:43:03 -07:00
core.h cfg80211: introduce critical protocol indication from user-space 2013-04-22 15:48:00 +02:00
db.txt
debugfs.c simple_open: automatically convert to simple_open() 2012-04-05 15:25:50 -07:00
debugfs.h
ethtool.c ethtool: fix drvinfo strings set in drivers 2013-01-06 21:06:31 -08:00
ethtool.h
genregdb.awk cfg80211: relicense reg.c reg.h and genregdb.awk to ISC 2012-01-04 14:30:41 -05:00
ibss.c cfg80211: fix warning when using WEXT for IBSS 2013-11-13 12:05:31 +09:00
Kconfig lib80211: hide Kconfig symbol 2012-11-16 14:29:09 -05:00
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 nl80211: explicit userspace MPM 2013-03-06 16:36:11 +01:00
mlme.c cfg80211: introduce critical protocol indication from user-space 2013-04-22 15:48:00 +02:00
nl80211.c nl80211: clear skb cb before passing to netlink 2014-10-09 12:18:43 -07:00
nl80211.h cfg80211: move exported event functions into nl80211 2013-03-06 16:35:46 +01:00
radiotap.c radiotap: fix bitmap-end-finding buffer overrun 2014-01-09 12:24:23 -08:00
rdev-ops.h cfg80211: introduce critical protocol indication from user-space 2013-04-22 15:48:00 +02:00
reg.c wireless: regulatory: fix channel disabling race condition 2013-04-16 15:25:46 +02:00
reg.h regulatory: use RCU to protect global and wiphy regdomains 2013-01-03 13:01:29 +01:00
regdb.h cfg80211: relicense reg.c reg.h and genregdb.awk to ISC 2012-01-04 14:30:41 -05:00
scan.c cfg80211: fix scheduled scan pointer access 2013-12-04 10:57:30 -08:00
sme.c cfg80211: check wdev->netdev in connection work 2013-05-23 18:12:38 +02:00
sysfs.c cfg80211/mac80211: disconnect on suspend 2013-03-06 16:35:55 +01:00
sysfs.h
trace.c cfg80211: add tracing to rdev-ops 2012-10-18 10:53:37 +02:00
trace.h cfg80211: fix mic_failure tracing 2014-08-07 14:30:25 -07:00
util.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2013-04-24 10:54:20 -04:00
wext-compat.c wext: explicitly cast -110 to u8 2012-12-07 11:58:26 +01:00
wext-compat.h cfg80211: remove unused wext handler exports 2011-08-08 14:26:29 -04:00
wext-core.c wext: include wireless event id when it has a size problem 2012-09-05 16:12:44 +02:00
wext-priv.c
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: always check for scan end on P2P device 2013-03-24 11:15:58 +01:00
wext-spy.c wireless: Convert compare_ether_addr to ether_addr_equal 2012-05-09 20:49:19 -04:00