linux/net/mac80211
Lorenzo Bianconi 0184ede0ec wifi: mac8021: fix possible oob access in ieee80211_get_rate_duration
[ Upstream commit 3e8f7abcc3 ]

Fix possible out-of-bound access in ieee80211_get_rate_duration routine
as reported by the following UBSAN report:

UBSAN: array-index-out-of-bounds in net/mac80211/airtime.c:455:47
index 15 is out of range for type 'u16 [12]'
CPU: 2 PID: 217 Comm: kworker/u32:10 Not tainted 6.1.0-060100rc3-generic
Hardware name: Acer Aspire TC-281/Aspire TC-281, BIOS R01-A2 07/18/2017
Workqueue: mt76 mt76u_tx_status_data [mt76_usb]
Call Trace:
 <TASK>
 show_stack+0x4e/0x61
 dump_stack_lvl+0x4a/0x6f
 dump_stack+0x10/0x18
 ubsan_epilogue+0x9/0x43
 __ubsan_handle_out_of_bounds.cold+0x42/0x47
ieee80211_get_rate_duration.constprop.0+0x22f/0x2a0 [mac80211]
 ? ieee80211_tx_status_ext+0x32e/0x640 [mac80211]
 ieee80211_calc_rx_airtime+0xda/0x120 [mac80211]
 ieee80211_calc_tx_airtime+0xb4/0x100 [mac80211]
 mt76x02_send_tx_status+0x266/0x480 [mt76x02_lib]
 mt76x02_tx_status_data+0x52/0x80 [mt76x02_lib]
 mt76u_tx_status_data+0x67/0xd0 [mt76_usb]
 process_one_work+0x225/0x400
 worker_thread+0x50/0x3e0
 ? process_one_work+0x400/0x400
 kthread+0xe9/0x110
 ? kthread_complete_and_exit+0x20/0x20
 ret_from_fork+0x22/0x30

Fixes: db3e1c40cf ("mac80211: Import airtime calculation code from mt76")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-08 11:23:56 +01:00
..
aead_api.c mac80211: Check crypto_aead_encrypt for errors 2021-04-10 13:36:08 +02:00
aead_api.h
aes_ccm.h
aes_cmac.c
aes_cmac.h
aes_gcm.h
aes_gmac.c mac80211: Check crypto_aead_encrypt for errors 2021-04-10 13:36:08 +02:00
aes_gmac.h
agg-rx.c mac80211: fix lookup when adding AddBA extension element 2021-12-22 09:30:54 +01:00
agg-tx.c mac80211: refuse aggregations sessions before authorized 2022-03-19 13:44:44 +01:00
airtime.c wifi: mac8021: fix possible oob access in ieee80211_get_rate_duration 2022-12-08 11:23:56 +01:00
cfg.c wifi: mac80211: allow bw change during channel switch in mesh 2022-10-26 13:25:19 +02:00
chan.c wifi: mac80211: fix use-after-free in chanctx code 2022-06-09 10:21:22 +02:00
debug.h
debugfs_key.c
debugfs_key.h
debugfs_netdev.c cfg80211/mac80211: add connected to auth server to meshconf 2020-07-31 09:24:24 +02:00
debugfs_netdev.h
debugfs_sta.c
debugfs_sta.h
debugfs.c mac80211: fix incorrect strlen of .write in debugfs 2021-02-07 15:37:15 +01:00
debugfs.h
driver-ops.c mac80211: fix station rate table updates on assoc 2021-02-10 09:29:16 +01:00
driver-ops.h mac80211: mark TX-during-stop for TX in in_reconfig 2021-12-22 09:30:50 +01:00
ethtool.c
fils_aead.c
fils_aead.h
he.c mac80211: use HE 6 GHz band capability and pass it to the driver 2020-05-31 11:27:03 +02:00
ht.c mac80211: Use fallthrough pseudo-keyword 2020-07-31 09:24:23 +02:00
ibss.c wifi: mac80211: Don't finalize CSA in IBSS mode if state is disconnected 2022-09-08 11:11:40 +02:00
ieee80211_i.h wifi: mac80211: fix MBSSID parsing use-after-free 2022-10-17 17:26:07 +02:00
iface.c mac80211: Fix monitor MTU limit so that A-MSDUs get through 2021-09-18 13:40:28 +02:00
Kconfig ath9k: fix build error with LEDS_CLASS=m 2021-02-17 11:02:25 +01:00
key.c mac80211: prevent mixed key and fragment cache attacks 2021-06-03 09:00:29 +02:00
key.h mac80211: prevent mixed key and fragment cache attacks 2021-06-03 09:00:29 +02:00
led.c
led.h
main.c wifi: mac80211: fix memory free error when registering wiphy fail 2022-12-02 17:39:57 +01:00
Makefile mac80211: initialize last_rate for S1G STAs 2020-10-08 10:40:57 +02:00
mesh_hwmp.c mac80211: fix potential overflow when multiplying to u32 integers 2021-03-04 11:37:32 +01:00
mesh_pathtbl.c wifi: mac80211: Fix ack frame idr leak when mesh has no route 2022-12-02 17:39:57 +01:00
mesh_plink.c mac80211: fix some more kernel-doc in mesh 2020-09-28 14:36:53 +02:00
mesh_ps.c mac80211: mesh: fix potentially unaligned access 2021-10-06 15:55:52 +02:00
mesh_sync.c
mesh.c mac80211: rename csa counters to countdown counters 2020-08-27 14:12:15 +02:00
mesh.h mac80211: add HE 6 GHz Band Capability element 2020-05-31 11:26:39 +02:00
michael.c
michael.h
mlme.c wifi: mac80211: fix MBSSID parsing use-after-free 2022-10-17 17:26:07 +02:00
ocb.c
offchannel.c mac80211: Inform AP when returning operating channel 2020-09-28 13:18:53 +02:00
pm.c
rate.c mac80211: fix station rate table updates on assoc 2021-02-10 09:29:16 +01:00
rate.h
rc80211_minstrel_debugfs.c
rc80211_minstrel_ht_debugfs.c
rc80211_minstrel_ht.c One batch of changes, containing: 2020-05-26 20:17:35 -07:00
rc80211_minstrel_ht.h
rc80211_minstrel.c mac80211: minstrel: fix tx status processing corner case 2020-11-12 11:25:09 +01:00
rc80211_minstrel.h mac80211: minstrel: remove deferred sampling code 2020-11-12 11:24:43 +01:00
rx.c wifi: mac80211: fix crash in beacon protection for P2P-device 2022-10-15 07:55:56 +02:00
s1g.c mac80211: initialize last_rate for S1G STAs 2020-10-08 10:40:57 +02:00
scan.c wifi: mac80211: fix MBSSID parsing use-after-free 2022-10-17 17:26:07 +02:00
spectmgmt.c mac80211: 160MHz with extended NSS BW in CSA 2021-02-13 13:55:04 +01:00
sta_info.c net: Use u64_stats_fetch_begin_irq() for stats fetch. 2022-09-08 11:11:40 +02:00
sta_info.h mac80211: fix regression in SSN handling of addba tx 2021-12-22 09:30:50 +01:00
status.c mac80211: fix memory leak on filtered powersave frames 2020-11-12 11:23:58 +01:00
tdls.c mac80211: Use fallthrough pseudo-keyword 2020-07-31 09:24:23 +02:00
tkip.c
tkip.h
trace_msg.h
trace.c
trace.h mac80211: notify the driver when a sta uses 4-address mode 2020-09-18 12:16:16 +02:00
tx.c mac80211: limit injected vht mcs/nss in ieee80211_parse_tx_radiotap 2021-10-06 15:55:51 +02:00
util.c wifi: mac80211: fix MBSSID parsing use-after-free 2022-10-17 17:26:07 +02:00
vht.c mac80211: don't set set TDLS STA bandwidth wider than possible 2020-12-30 11:53:50 +01:00
wep.c
wep.h
wme.c wifi: mac80211: fix queue selection for mesh/OCB interfaces 2022-07-21 21:20:00 +02:00
wme.h
wpa.c mac80211: fix use-after-free in CCMP/GCMP RX 2021-10-06 15:55:48 +02:00
wpa.h