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Johannes Berg df6d02300f wext: fix potential private ioctl memory content leak 
When a driver doesn't fill the entire buffer, old
heap contents may remain, and if it also doesn't
update the length properly, this old heap content
will be copied back to userspace.

It is very unlikely that this happens in any of
the drivers using private ioctls since it would
show up as junk being reported by iwpriv, but it
seems better to be safe here, so use kzalloc.

Reported-by: Jeff Mahoney <jeffm@suse.com>
Cc: stable@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 		2010-09-20 13:41:40 -04:00
..
.gitignore wireless: support internal statically compiled regulatory database 2009-12-21 18:56:10 -05:00
Kconfig wireless: remove CONFIG_WIRELESS_OLD_REGULATORY 2009-12-28 16:31:37 -05:00
Makefile wireless: support internal statically compiled regulatory database 2009-12-21 18:56:10 -05:00
chan.c cfg80211: don't refuse HT20 channels on devices that don't support HT40 2010-06-02 16:13:17 -04:00
core.c wireless: register wiphy rfkill w/o holding cfg80211_mutex 2010-08-31 14:48:47 -04:00
core.h cfg80211: make action channel type optional 2010-06-02 16:13:27 -04:00
db.txt wireless: support internal statically compiled regulatory database 2009-12-21 18:56:10 -05:00
debugfs.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
debugfs.h cfg80211/mac80211: use debugfs_remove_recursive 2009-10-30 16:49:18 -04:00
ethtool.c cfg80211: add firmware and hardware version to wiphy 2009-10-07 16:39:46 -04:00
ethtool.h net/wireless/ethtool.h: drop unnecessary include of linux/ethtool.h 2009-10-07 16:39:49 -04:00
genregdb.awk wireless: correct sparse warning in generated regdb.c 2010-07-20 16:49:37 -04:00
ibss.c cfg80211: fix IBSS default management key 2010-07-26 15:32:41 -04:00
lib80211.c lib80211: consolidate crypt init routines 2008-11-21 11:08:17 -05:00
lib80211_crypt_ccmp.c lib80211: remove unused host_build_iv option 2010-07-26 15:09:04 -04:00
lib80211_crypt_tkip.c lib80211: remove unused host_build_iv option 2010-07-26 15:09:04 -04:00
lib80211_crypt_wep.c lib80211: remove unused host_build_iv option 2010-07-26 15:09:04 -04:00
mlme.c cfg80211: fix locking in action frame TX 2010-08-09 15:18:57 -04:00
nl80211.c nl80211: Fix memory leaks 2010-07-28 16:24:01 -04:00
nl80211.h cfg80211: Add connection quality monitoring support to nl80211 2010-03-24 16:02:37 -04:00
radiotap.c wireless: update radiotap parser 2010-02-08 16:50:53 -05:00
reg.c cfg80211: Update of regulatory request initiator handling 2010-07-28 16:24:01 -04:00
reg.h wireless: move regulatory_init to .init.text 2010-06-18 15:11:13 -04:00
regdb.h wireless: support internal statically compiled regulatory database 2009-12-21 18:56:10 -05:00
scan.c cfg80211: don't get expired BSSes 2010-07-14 13:52:45 -04:00
sme.c wireless: mark cfg80211_is_all_idle as static 2010-07-20 16:49:38 -04:00
sysfs.c cfg80211: export multiple MAC addresses in sysfs 2010-01-22 16:11:16 -05:00
sysfs.h
…
util.c bridge: use rx_handler_data pointer to store net_bridge_port pointer 2010-06-15 11:48:58 -07:00
wext-compat.c wireless extensions: fix kernel heap content leak 2010-08-30 16:35:17 -04:00
wext-compat.h cfg80211: validate channel settings across interfaces 2009-08-14 09:13:42 -04:00
wext-core.c wireless extensions: fix kernel heap content leak 2010-08-30 16:35:17 -04:00
wext-priv.c wext: fix potential private ioctl memory content leak 2010-09-20 13:41:40 -04:00
wext-proc.c net: spread __net_init, __net_exit 2010-01-17 19:16:02 -08:00
wext-sme.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem 2010-05-11 14:24:55 -04:00
wext-spy.c wext: refactor 2009-10-07 16:39:43 -04:00