android_kernel_asus_sm8350/net/mac80211
Ping-Ke Shih efeae5f497 wifi: mac80211: don't return unset power in ieee80211_get_tx_power()
[ Upstream commit e160ab85166e77347d0cbe5149045cb25e83937f ]

We can get a UBSAN warning if ieee80211_get_tx_power() returns the
INT_MIN value mac80211 internally uses for "unset power level".

 UBSAN: signed-integer-overflow in net/wireless/nl80211.c:3816:5
 -2147483648 * 100 cannot be represented in type 'int'
 CPU: 0 PID: 20433 Comm: insmod Tainted: G        WC OE
 Call Trace:
  dump_stack+0x74/0x92
  ubsan_epilogue+0x9/0x50
  handle_overflow+0x8d/0xd0
  __ubsan_handle_mul_overflow+0xe/0x10
  nl80211_send_iface+0x688/0x6b0 [cfg80211]
  [...]
  cfg80211_register_wdev+0x78/0xb0 [cfg80211]
  cfg80211_netdev_notifier_call+0x200/0x620 [cfg80211]
  [...]
  ieee80211_if_add+0x60e/0x8f0 [mac80211]
  ieee80211_register_hw+0xda5/0x1170 [mac80211]

In this case, simply return an error instead, to indicate
that no data is available.

Cc: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://lore.kernel.org/r/20230203023636.4418-1-pkshih@realtek.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-11-28 16:50:13 +00:00
..
aead_api.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aead_api.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aes_ccm.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aes_cmac.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aes_cmac.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aes_gcm.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aes_gmac.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aes_gmac.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
agg-rx.c mac80211: fix lookup when adding AddBA extension element 2021-12-22 09:29:37 +01:00
agg-tx.c mac80211: refuse aggregations sessions before authorized 2022-03-19 13:40:16 +01:00
cfg.c wifi: mac80211: don't return unset power in ieee80211_get_tx_power() 2023-11-28 16:50:13 +00:00
chan.c wifi: mac80211: fix use-after-free in chanctx code 2022-06-14 18:11:44 +02:00
debug.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs_key.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-22 08:59:24 -04:00
debugfs_key.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs_netdev.c mac80211: fix txq null pointer dereference 2019-10-01 17:56:19 +02:00
debugfs_netdev.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs_sta.c mac80211: drop data frames without key on encrypted links 2020-04-01 11:02:01 +02:00
debugfs_sta.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs.c mac80211: AMPDU handling for rekeys with Extended Key ID 2019-07-26 13:29:10 +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
driver-ops.c mac80211: fix station rate table updates on assoc 2021-02-10 09:25:29 +01:00
driver-ops.h mac80211: mark TX-during-stop for TX in in_reconfig 2021-12-22 09:29:34 +01:00
ethtool.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 432 2019-06-05 17:37:16 +02:00
fils_aead.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
fils_aead.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
he.c mac80211: fix possible NULL pointerderef in obss pd code 2019-08-21 10:58:32 +02:00
ht.c mac80211: add support for the ADDBA extension element 2019-07-29 16:40:22 +02:00
ibss.c wifi: mac80211: Don't finalize CSA in IBSS mode if state is disconnected 2022-09-15 12:04:53 +02:00
ieee80211_i.h mac80211: mesh: embedd mesh_paths and mpp_paths into ieee80211_if_mesh 2023-02-25 11:53:26 +01:00
iface.c mac80211: Fix monitor MTU limit so that A-MSDUs get through 2021-09-22 12:26:32 +02:00
Kconfig 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
key.c mac80211: prevent mixed key and fragment cache attacks 2021-06-03 08:59:01 +02:00
key.h mac80211: prevent mixed key and fragment cache attacks 2021-06-03 08:59:01 +02:00
led.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
led.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
main.c wifi: mac80211: fix memory free error when registering wiphy fail 2022-12-08 11:22:56 +01:00
Makefile mac80211: minstrel: merge with minstrel_ht, always enable VHT support 2018-10-11 16:01:01 +02:00
mesh_hwmp.c mac80211: fix potential overflow when multiplying to u32 integers 2021-03-04 10:26:17 +01:00
mesh_pathtbl.c mac80211: mesh: embedd mesh_paths and mpp_paths into ieee80211_if_mesh 2023-02-25 11:53:26 +01:00
mesh_plink.c mac80211: implement HE support for mesh 2019-07-26 16:14:12 +02:00
mesh_ps.c mac80211: mesh: fix potentially unaligned access 2021-10-06 15:42:32 +02:00
mesh_sync.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mesh.c mac80211: fix channel switch trigger from unknown mesh peer 2020-05-02 08:48:58 +02:00
mesh.h mac80211: mesh: embedd mesh_paths and mpp_paths into ieee80211_if_mesh 2023-02-25 11:53:26 +01:00
michael.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
michael.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mlme.c wifi: mac80211: fix MBSSID parsing use-after-free 2022-10-17 17:24:32 +02:00
ocb.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
offchannel.c mac80211: pass the vif to cancel_remain_on_channel 2019-07-26 13:08:28 +02:00
pm.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rate.c mac80211: fix station rate table updates on assoc 2021-02-10 09:25:29 +01:00
rate.h mac80211: populate debugfs only after cfg80211 init 2020-04-29 16:33:18 +02:00
rc80211_minstrel_debugfs.c mac80211: rc80211_minstrel: remove variance / stddev calculation 2018-10-11 16:01:05 +02:00
rc80211_minstrel_ht_debugfs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rc80211_minstrel_ht.c mac80211: populate debugfs only after cfg80211 init 2020-04-29 16:33:18 +02:00
rc80211_minstrel_ht.h mac80211: minstrel_ht: improve rate probing for devices with static fallback 2019-08-21 11:10:13 +02:00
rc80211_minstrel.c mac80211: minstrel: fix tx status processing corner case 2020-11-24 13:29:23 +01:00
rc80211_minstrel.h mac80211: minstrel: remove deferred sampling code 2020-11-24 13:29:23 +01:00
rx.c mac80211: fix rx reordering with non explicit / psmp ack policy 2022-05-25 09:14:37 +02:00
scan.c wifi: mac80211: fix MBSSID parsing use-after-free 2022-10-17 17:24:32 +02:00
spectmgmt.c mac80211: 160MHz with extended NSS BW in CSA 2021-02-13 13:52:55 +01:00
sta_info.c wifi: mac80211: fix invalid drv_sta_pre_rcu_remove calls for non-uploaded sta 2023-04-20 12:07:33 +02:00
sta_info.h mac80211: fix regression in SSN handling of addba tx 2021-12-22 09:29:40 +01:00
status.c mac80211: add ieee80211_is_any_nullfunc() 2020-05-10 10:31:32 +02:00
tdls.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-17 15:55:34 -07:00
tkip.c mac80211: Fix TKIP replay protection immediately after key setup 2020-02-05 21:22:46 +00:00
tkip.h 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
trace_msg.h mac80211: Increase MAX_MSG_LEN 2019-03-29 11:20:36 +01:00
trace.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace.h mac80211: pass the vif to cancel_remain_on_channel 2019-07-26 13:08:28 +02:00
tx.c wifi: mac80211: allow transmitting EAPOL frames with tainted key 2023-10-25 11:53:23 +02:00
util.c wifi: mac80211: fix MBSSID parsing use-after-free 2022-10-17 17:24:32 +02:00
vht.c mac80211: don't set set TDLS STA bandwidth wider than possible 2020-12-30 11:51:25 +01:00
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
wep.h 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
wme.c wifi: mac80211: fix qos on mesh interfaces 2023-04-05 11:16:41 +02:00
wme.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
wpa.c mac80211: fix use-after-free in CCMP/GCMP RX 2021-10-06 15:42:31 +02:00
wpa.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00