AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers/net/wireless/ath/ath9k
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Kees Cook 4b6e9f3fe1 ath9k: eeprom: Use scnprintf instead of snprintf 
Change snprintf to scnprintf. There are generally two cases where using
snprintf causes problems.

1) Uses of size += snprintf(buf, SIZE - size, fmt, ...)  In this case,
if snprintf would have written more characters than what the buffer
size (SIZE) is, then size will end up larger than SIZE. In later uses
of snprintf, SIZE - size will result in a negative number, leading to
problems. Note that size might already be too large by using size =
snprintf before the code reaches a case of size += snprintf.

2) If size is ultimately used as a length parameter for a copy back to
user space, then it will potentially allow for a buffer overflow and
information disclosure when size is greater than SIZE. When the size is
used to index the buffer directly, we can have memory corruption. This
also means when size = snprintf... is used, it may also cause problems
since size may become large. Copying to userspace is mitigated by the
HARDENED_USERCOPY kernel configuration.

The solution to these issues is to use scnprintf which returns the number
of characters actually written to the buffer, so the size variable will
never exceed SIZE.

Cc: Willy Tarreau <w@1wt.eu>
Cc: Silvio Cesare <silvio.cesare@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-04 17:52:49 +02:00
..
ahb.c headers: separate linux/mod_devicetable.h from linux/platform_device.h 2018-07-07 17:52:26 +02:00
ani.c scripts/spelling.txt: add "aligment" pattern and fix typo instances 2017-02-27 18:43:46 -08:00
ani.h
antenna.c ath9k: fix RX_STAT_INC() etc macros 2018-10-13 20:27:35 +03:00
ar953x_initvals.h ath9k: Update QCA953x initvals 2016-03-11 13:59:56 +02:00
ar955x_1p0_initvals.h ath9k: Update AR955x initvals 2016-03-11 13:59:58 +02:00
ar956x_initvals.h ath9k: Update QCA956x initvals 2016-03-11 13:59:59 +02:00
ar5008_initvals.h
ar5008_phy.c ath9k: ar5008_phy: mark expected switch fall-through 2018-11-05 13:15:24 +02:00
ar9001_initvals.h
ar9002_calib.c ath9k: don't run periodic and nf calibation at the same time 2018-07-31 10:51:43 +03:00
ar9002_hw.c ath9k: replace eeprom_param EEP_MINOR_REV with get_eeprom_rev 2016-12-15 10:26:27 +02:00
ar9002_initvals.h
ar9002_mac.c ath9k: ar9002_mac: kill off ACCESS_ONCE() 2017-01-12 12:59:45 +02:00
ar9002_phy.c ath9k: ar9002_phy: mark expected switch fall-throughs 2018-11-05 13:15:34 +02:00
ar9002_phy.h ath9k_hw: fix spectral scan on AR9285 and newer 2016-07-19 20:58:07 +03:00
ar9003_2p2_initvals.h ath9k: Update AR9003 2.2 initvals 2016-03-11 13:59:56 +02:00
ar9003_aic.c
ar9003_aic.h
ar9003_buffalo_initvals.h
ar9003_calib.c Revert "ath9k_hw: implement temperature compensation support for AR9003+" 2016-10-13 14:11:30 +03:00
ar9003_eeprom.c ath9k: eeprom: Use scnprintf instead of snprintf 2019-02-04 17:52:49 +02:00
ar9003_eeprom.h ath9k: Read noise floor calibration data from eeprom 2018-01-25 07:33:36 +02:00
ar9003_hw.c
ar9003_mac.c ath9k: remove cast to void pointer 2017-09-25 10:13:58 +03:00
ar9003_mac.h
ar9003_mci.c ath9k: remove set but not used variable 'new_flags' 2018-11-05 13:18:34 +02:00
ar9003_mci.h
ar9003_paprd.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
ar9003_phy.c ath9k_hw: set spectral scan enable bit on trigger for AR9003+ 2018-07-31 10:51:35 +03:00
ar9003_phy.h ath9k_hw: fix duplicate (and partially wrong) definition of AR_CH0_THERM 2016-07-19 20:59:04 +03:00
ar9003_rtt.c
ar9003_rtt.h
ar9003_wow.c
ar9330_1p1_initvals.h ath9k: Update AR933x initvals 2016-03-11 13:59:57 +02:00
ar9330_1p2_initvals.h ath9k: Update AR933x initvals 2016-03-11 13:59:57 +02:00
ar9340_initvals.h ath9k: Update AR9340 initvals 2016-03-11 13:59:57 +02:00
ar9462_2p0_initvals.h ath9k: Update AR9462 initvals 2016-03-11 13:59:57 +02:00
ar9462_2p1_initvals.h ath9k: Update AR9462 initvals 2016-03-11 13:59:57 +02:00
ar9485_initvals.h ath9k: Update AR9485 initvals 2016-03-11 13:59:58 +02:00
ar9565_1p0_initvals.h ath9k: Update AR9565 initvals 2016-03-11 13:59:58 +02:00
ar9565_1p1_initvals.h
ar9580_1p0_initvals.h ath9k: Update AR9580 initvals 2016-03-11 13:59:59 +02:00
ath9k.h ath9k: dynack: make ewma estimation faster 2018-11-06 18:26:50 +02:00
beacon.c ath9k: Fix beacon configuration for addition/removal of interfaces 2016-07-08 17:03:41 +03:00
btcoex.c ath9k: fix BTCoex configuration for SOC chips 2016-03-11 14:00:04 +02:00
btcoex.h ath9k: fix BTCoex configuration for SOC chips 2016-03-11 14:00:04 +02:00
calib.c ath9k: Fix get channel default noise floor 2018-02-07 16:14:08 +02:00
calib.h
channel.c ath9k: use timespec64 for tsf_ts 2018-06-29 14:44:49 +03:00
common-beacon.c
common-beacon.h
common-debug.c ath9k: add counters for good and errorneous FFT/spectral frames 2018-10-02 07:43:32 +03:00
common-debug.h ath9k: add counters for good and errorneous FFT/spectral frames 2018-10-02 07:43:32 +03:00
common-init.c ath9k: spelling s/premble/preamble/ 2018-03-26 18:22:44 +03:00
common-init.h
common-spectral.c ath9k: fix RX_STAT_INC() etc macros 2018-10-13 20:27:35 +03:00
common-spectral.h ath9k: fix and simplify FFT max index retrieval 2018-10-02 07:43:56 +03:00
common.c Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git 2017-05-19 11:47:44 +03:00
common.h ath9k: Fix beacon configuration for addition/removal of interfaces 2016-07-08 17:03:41 +03:00
debug_sta.c ath9k: add reset for airtime station debugfs 2018-10-01 17:05:46 +03:00
debug.c ath9k: fix RX_STAT_INC() etc macros 2018-10-13 20:27:35 +03:00
debug.h ath9k: fix RX_STAT_INC() etc macros 2018-10-13 20:27:35 +03:00
dfs_debug.c wireless: Use octal not symbolic permissions 2018-03-27 11:01:13 +03:00
dfs_debug.h
dfs.c ath: add support to get the detected radar specifications 2018-05-25 13:15:21 +03:00
dfs.h
dynack.c ath9k: dynack: make ewma estimation faster 2018-11-06 18:26:50 +02:00
dynack.h ath9k: dynack: make ewma estimation faster 2018-11-06 18:26:50 +02:00
eeprom_4k.c ath9k: move RELAY and DEBUG_FS to ATH9K[_HTC]_DEBUGFS 2017-01-13 15:29:24 +02:00
eeprom_9287.c ath9k: move RELAY and DEBUG_FS to ATH9K[_HTC]_DEBUGFS 2017-01-13 15:29:24 +02:00
eeprom_def.c ath9k: move RELAY and DEBUG_FS to ATH9K[_HTC]_DEBUGFS 2017-01-13 15:29:24 +02:00
eeprom.c ath9k: remove unnecessary code 2017-05-19 10:57:55 +03:00
eeprom.h ath9k: Add cast to u8 to FREQ2FBIN macro 2017-04-19 17:00:48 +03:00
gpio.c ath: Convert timers to use timer_setup() 2017-10-27 16:54:19 +03:00
hif_usb.c ath9k: use irqsave() in USB's complete callback 2018-06-29 14:55:36 +03:00
hif_usb.h ath9k_htc: don't use HZ for usb msg timeouts 2016-12-01 13:18:33 +02:00
htc_drv_beacon.c ath9k: remove cast to void pointer 2017-09-25 10:13:58 +03:00
htc_drv_debug.c wireless: Use octal not symbolic permissions 2018-03-27 11:01:13 +03:00
htc_drv_gpio.c ath9k: free GPIO resource for SOC GPIOs 2016-03-11 14:00:02 +02:00
htc_drv_init.c ath: Remove unnecessary ath_bcast_mac and use eth_broadcast_addr 2018-03-29 12:10:26 +03:00
htc_drv_main.c ath9k_htc: Add a sanity check in ath9k_htc_ampdu_action() 2017-12-14 17:30:11 +02:00
htc_drv_txrx.c ath9k: use irqsave() in USB's complete callback 2018-06-29 14:55:36 +03:00
htc_hst.c networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
htc_hst.h
htc.h ath: Convert timers to use timer_setup() 2017-10-27 16:54:19 +03:00
hw-ops.h
hw.c ath9k: hw: mark expected switch fall-through 2018-11-05 13:15:46 +02:00
hw.h ath9k: use timespec64 for tsf_ts 2018-06-29 14:44:49 +03:00
init.c ath9k: Avoid OF no-EEPROM quirks without qca,no-eeprom 2019-01-10 15:22:51 +02:00
Kconfig ath9k: dynack: remove 'experimental' tag 2018-11-06 18:27:01 +02:00
link.c ath: Convert timers to use timer_setup() 2017-10-27 16:54:19 +03:00
mac.c ath9k: add MSI support 2018-01-16 16:29:22 +02:00
mac.h mac80211: separate encoding/bandwidth from flags 2017-04-28 10:41:45 +02:00
main.c ath9k: Fix a locking bug in ath9k_add_interface() 2018-11-06 18:43:30 +02:00
Makefile ath9k: move spectral scan support under a separate config symbol 2017-12-07 16:31:57 +02:00
mci.c ath9k: remove cast to void pointer 2017-09-25 10:13:58 +03:00
mci.h
pci.c ath9k: Remove unnecessary include of <linux/pci-aspm.h> 2018-08-06 14:32:21 -05:00
phy.h
recv.c ath9k: fix RX_STAT_INC() etc macros 2018-10-13 20:27:35 +03:00
reg_aic.h
reg_mci.h
reg_wow.h
reg.h ath9k: add MSI support 2018-01-16 16:29:22 +02:00
rng.c ath9k: avoid potential freezing during random generator read 2017-06-28 19:54:38 +03:00
tx99.c ath9k: add back support for using active monitor interfaces for tx99 2018-10-02 07:54:26 +03:00
wmi.c ath9k: use irqsave() in USB's complete callback 2018-06-29 14:55:36 +03:00
wmi.h
wow.c
xmit.c ath9k: dynack: make ewma estimation faster 2018-11-06 18:26:50 +02:00