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Johannes Berg 9853a55ef1 cfg80211: limit scan results cache size 
It's possible to make scanning consume almost arbitrary amounts
of memory, e.g. by sending beacon frames with random BSSIDs at
high rates while somebody is scanning.

Limit the number of BSS table entries we're willing to cache to
1000, limiting maximum memory usage to maybe 4-5MB, but lower
in practice - that would be the case for having both full-sized
beacon and probe response frames for each entry; this seems not
possible in practice, so a limit of 1000 entries will likely be
closer to 0.5 MB.

Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-11-18 08:44:44 +01:00
..
.gitignore
ap.c cfg80211: export interface stopping function 2014-05-06 15:16:34 +02:00
chan.c cfg80211: add start / stop NAN commands 2016-09-30 13:21:14 +02:00
core.c cfg80211: add add_nan_func / del_nan_func 2016-09-30 13:21:23 +02:00
core.h cfg80211: limit scan results cache size 2016-11-18 08:44:44 +01:00
db.txt
debugfs.c cfg80211: remove enum ieee80211_band 2016-04-12 15:56:15 +02:00
debugfs.h
ethtool.c cfg80211: make ethtool the driver's responsibility 2014-06-23 11:05:33 +02:00
genregdb.awk wireless: fixup genregdb.awk for remove of antenna gain from wireless-regd 2014-07-21 12:24:20 +02:00
ibss.c cfg80211: Add support for static WEP in the driver 2016-09-30 13:19:10 +02:00
Kconfig cfg80211: Fix some linguistics in Kconfig 2016-02-24 09:04:23 +01:00
lib80211.c lib80211: remove unused print_ssid() 2014-10-14 02:18:27 +02:00
lib80211_crypt_ccmp.c lib80211: ratelimit key index mismatch 2015-12-04 14:43:32 +01:00
lib80211_crypt_tkip.c lib80211: Use skcipher and ahash 2016-01-27 20:36:03 +08:00
lib80211_crypt_wep.c lib80211: Use skcipher and ahash 2016-01-27 20:36:03 +08:00
Makefile cfg80211: 802.11p OCB mode handling 2014-11-04 13:18:17 +01:00
mesh.c cfg80211: remove enum ieee80211_band 2016-04-12 15:56:15 +02:00
mlme.c cfg80211: add start / stop NAN commands 2016-09-30 13:21:14 +02:00
nl80211.c Merge remote-tracking branch 'net-next/master' into mac80211-next 2016-10-04 09:46:44 +02:00
nl80211.h cfg80211: always notify userspace of new wireless netdevs 2016-08-11 16:51:41 +02:00
ocb.c cfg80211: ocb: Fix null pointer deref if join_ocb is unimplemented 2015-12-04 14:43:32 +01:00
radiotap.c cfg80211: add radiotap VHT info to rtap_namespace_sizes 2016-02-24 09:04:41 +01:00
rdev-ops.h cfg80211: allow the user space to change current NAN configuration 2016-09-30 13:21:28 +02:00
reg.c cfg80211: make wdev_list accessible to drivers 2016-05-12 11:16:40 +02:00
reg.h cfg80211: remove enum ieee80211_band 2016-04-12 15:56:15 +02:00
regdb.h
scan.c cfg80211: limit scan results cache size 2016-11-18 08:44:44 +01:00
sme.c cfg80211: Add support for static WEP in the driver 2016-09-30 13:19:10 +02:00
sysfs.c cfg80211: process events caused by suspend before suspending 2016-10-26 07:59:52 +02:00
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: allow the user space to change current NAN configuration 2016-09-30 13:21:28 +02:00
util.c cfg80211: add bitrate for 20MHz MCS 9 2016-11-15 14:34:00 +01:00
wext-compat.c cfg80211: Add support for static WEP in the driver 2016-09-30 13:19:10 +02:00
wext-compat.h cfg80211-wext: export symbols only when needed 2015-02-28 21:31:09 +01:00
wext-core.c Revert "wext: Fix 32 bit iwpriv compatibility issue with 64 bit Kernel" 2016-08-08 08:49:50 +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: Add support for static WEP in the driver 2016-09-30 13:19:10 +02:00
wext-spy.c