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linux/net/wireless
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Felix Fietkau 81c044fc3b cfg80211: fix page refcount issue in A-MSDU decap 
The fragments attached to a skb can be part of a compound page. In that case,
page_ref_inc will increment the refcount for the wrong page. Fix this by
using get_page instead, which calls page_ref_inc on the compound head and
also checks for overflow.

Fixes: 2b67f944f8 ("cfg80211: reuse existing page fragments in A-MSDU rx")
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20200113182107.20461-1-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-01-15 09:53:35 +01:00
..
certs cfg80211: ship certificates as hex files 2017-12-19 09:28:01 +01:00
.gitignore cfg80211: implement regdb signature checking 2017-10-11 14:24:24 +02:00
ap.c cfg80211: call disconnect_wk when AP stops 2019-02-01 11:12:50 +01:00
chan.c nl80211: Disallow setting of HT for channel 14 2019-10-30 10:07:22 +01:00
core.c cfg80211: fix double-free after changing network namespace 2019-12-13 10:08:09 +01:00
core.h cfg80211: always shut down on HW rfkill 2019-09-11 09:13:26 +02:00
debugfs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
debugfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ethtool.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ibss.c cfg80211: ibss: use 11a mandatory rates for 6GHz band operation 2019-08-21 10:54:57 +02:00
Kconfig lib80211: use crypto API ccm(aes) transform for CCMP processing 2019-07-26 13:22:47 +02:00
lib80211_crypt_ccmp.c lib80211: use crypto API ccm(aes) transform for CCMP processing 2019-07-26 13:22:47 +02:00
lib80211_crypt_tkip.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
lib80211_crypt_wep.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
lib80211.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
Makefile wireless: Skip directory when generating certificates 2019-05-14 10:27:57 +02:00
mesh.c nl80211: Add SOCKET_OWNER support to JOIN_MESH 2018-03-29 10:38:24 +02:00
mlme.c cfg80211: Report Association Request frame IEs in association events 2019-02-22 13:35:09 +01:00
nl80211.c cfg80211: fix memory leak in cfg80211_cqm_rssi_update 2020-01-15 09:53:12 +01:00
nl80211.h cfg80211: Report Association Request frame IEs in association events 2019-02-22 13:35:09 +01:00
ocb.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
of.c cfg80211: support ieee80211-freq-limit DT property 2017-01-06 14:01:13 +01:00
pmsr.c cfg80211: report measurement start TSF correctly 2019-06-14 15:46:33 +02:00
radiotap.c
rdev-ops.h cfg80211: check for set_wiphy_params 2020-01-15 09:53:24 +01:00
reg.c cfg80211: Fix radar event during another phy CAC 2020-01-15 09:50:48 +01:00
reg.h net: Fix various misspellings of "connect" 2019-10-28 13:41:59 -07:00
scan.c cfg80211: fix a bunch of RCU issues in multi-bssid code 2019-10-07 21:35:57 +02:00
sme.c cfg80211: fix deadlocks in autodisconnect work 2020-01-15 09:52:49 +01:00
sysfs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 432 2019-06-05 17:37:16 +02:00
sysfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace.c
trace.h cfg80211: Fix radar event during another phy CAC 2020-01-15 09:50:48 +01:00
util.c cfg80211: fix page refcount issue in A-MSDU decap 2020-01-15 09:53:35 +01:00
wext-compat.c cfg80211: initialize on-stack chandefs 2019-10-01 17:56:18 +02:00
wext-compat.h treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
wext-core.c wireless: wext: avoid gcc -O3 warning 2020-01-15 09:52:20 +01:00
wext-priv.c
wext-proc.c proc: introduce proc_create_net{,_data} 2018-05-16 07:24:30 +02:00
wext-sme.c cfg80211: wext: avoid copying malformed SSIDs 2019-10-04 14:04:08 +02:00
wext-spy.c