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9f5c5595cf13d9397d1af82d057edfed13f0dbaa
linux/drivers/hid
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Randy Dunlap 95d5e8fbc2 HID: core: detect and skip invalid inputs to snto32() 
[ Upstream commit a0312af1f9 ]

Prevent invalid (0, 0) inputs to hid-core's snto32() function.

Maybe it is just the dummy device here that is causing this, but
there are hundreds of calls to snto32(0, 0). Having n (bits count)
of 0 is causing the current UBSAN trap with a shift value of
0xffffffff (-1, or n - 1 in this function).

Either of the value to shift being 0 or the bits count being 0 can be
handled by just returning 0 to the caller, avoiding the following
complex shift + OR operations:

	return value & (1 << (n - 1)) ? value | (~0U << n) : value;

Fixes: dde5845a52 ("[PATCH] Generic HID layer - code split")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: syzbot+1e911ad71dd4ea72e04a@syzkaller.appspotmail.com
Cc: Jiri Kosina <jikos@kernel.org>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: linux-input@vger.kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-03-04 11:37:54 +01:00
..
i2c-hid
HID: i2c-hid: add Vero K147 to descriptor override
2020-12-26 16:02:43 +01:00
intel-ish-hid
Merge tag 'pci-v5.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
2020-10-22 12:41:00 -07:00
usbhid
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
2020-08-25 11:13:29 -07:00
hid-a4tech.c
HID: input: fix a4tech horizontal wheel custom usage
2019-08-05 14:37:15 +02:00
hid-accutouch.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-alps.c
HID: alps: clean up indentation issue
2020-09-22 11:19:55 +02:00
hid-apple.c
HID: apple: Add support for Matias wireless keyboard
2020-08-17 12:17:52 +02:00
hid-appleir.c
HID: appleir: Use devm_kzalloc() instead of kzalloc()
2020-03-13 17:33:11 +01:00
hid-asus.c
HID: asus: Fix mute and touchpad-toggle keys on Medion Akoya E1239T
2020-05-06 11:40:03 +02:00
hid-aureal.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
hid-axff.c
HID: Fix assumption that devices have inputs
2019-10-03 15:36:40 -04:00
hid-belkin.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-betopff.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-bigbenff.c
HID: hid-bigbenff: fix race condition for scheduled work during removal
2020-02-18 14:43:51 +01:00
hid-cherry.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-chicony.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-cmedia.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
hid-core.c
HID: core: detect and skip invalid inputs to snto32()
2021-03-04 11:37:54 +01:00
hid-corsair.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-cougar.c
HID: cougar: Constify cougar_id_table
2020-08-17 11:38:49 +02:00
hid-cp2112.c
HID: cp2112: Use irqchip template
2020-08-17 11:59:09 +02:00
hid-creative-sb0540.c
HID: sb0540: add support for Creative SB0540 IR receivers
2019-09-03 16:52:04 +02:00
hid-cypress.c
HID: cypress: Support Varmilo Keyboards' media hotkeys
2020-10-23 13:23:44 +02:00
hid-debug.c
HID: hid-debug: fix nonblocking read semantics wrt EIO/ERESTARTSYS
2020-09-09 08:47:38 +02:00
hid-dr.c
HID: Fix assumption that devices have inputs
2019-10-03 15:36:40 -04:00
hid-elan.c
HID: elan: Fix memleak in elan_input_configured
2020-09-01 09:11:24 +02:00
hid-elecom.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-elo.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 307
2019-06-05 17:37:04 +02:00
hid-emsff.c
HID: Fix assumption that devices have inputs
2019-10-03 15:36:40 -04:00
hid-ezkey.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-gaff.c
HID: Fix assumption that devices have inputs
2019-10-03 15:36:40 -04:00
hid-gembird.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-generic.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-gfrm.c
HID: do not call hid_set_drvdata(hdev, NULL) in drivers
2019-08-22 17:11:58 +02:00
hid-glorious.c
HID: Add driver fixing Glorious PC Gaming Race mouse report descriptor
2020-03-18 13:36:21 +01:00
hid-google-hammer.c
HID: google: add moonball USB id
2020-03-16 14:51:05 +01:00
hid-gt683r.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
hid-gyration.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-holtek-kbd.c
HID: holtek: test for sanity of intfdata
2019-08-05 14:18:42 +02:00
hid-holtek-mouse.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-holtekff.c
HID: Fix assumption that devices have inputs
2019-10-03 15:36:40 -04:00
hid-hyperv.c
HID: hyperv: Use VMBUS_RING_SIZE() for ringbuffer sizes
2020-09-28 08:57:28 +00:00
hid-icade.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-ids.h
HID: Ignore battery for Elan touchscreen on ASUS UX550
2021-01-27 11:54:59 +01:00
hid-input.c
HID: Ignore battery for Elan touchscreen on ASUS UX550
2021-01-27 11:54:59 +01:00
hid-ite.c
HID: ite: Replace ABS_MISC 120/121 events with touchpad on/off keypresses
2020-10-22 13:42:34 +02:00
hid-jabra.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-kensington.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-keytouch.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-kye.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-lcpower.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-led.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 372
2019-06-05 17:37:10 +02:00
hid-lenovo.c
HID: lenovo: Fix spurious F23 key press report during resume from suspend
2020-07-07 12:42:27 +02:00
hid-lg2ff.c
HID: Fix assumption that devices have inputs
2019-10-03 15:36:40 -04:00
hid-lg3ff.c
HID: Fix assumption that devices have inputs
2019-10-03 15:36:40 -04:00
hid-lg4ff.c
HID: Fix assumption that devices have inputs
2019-10-03 15:36:40 -04:00
hid-lg4ff.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
hid-lg-g15.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
hid-lg.c
HID: logitech: Fix general protection fault caused by Logitech driver
2019-08-22 09:53:08 +02:00
hid-lg.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
hid-lgff.c
HID: Fix assumption that devices have inputs
2019-10-03 15:36:40 -04:00
hid-logitech-dj.c
HID: logitech-dj: add the G602 receiver
2021-01-27 11:54:59 +01:00
hid-logitech-hidpp.c
HID: logitech-hidpp: Add product ID for MX Ergo in Bluetooth mode
2021-01-27 11:55:02 +01:00
hid-macally.c
HID: macally: Constify macally_id_table
2020-08-17 11:38:49 +02:00
hid-magicmouse.c
HID: magicmouse: do not set up autorepeat
2020-06-16 17:34:14 +02:00
hid-maltron.c
Support for Maltron L90 keyboard media keys
2019-01-14 20:11:01 +01:00
hid-mcp2221.c
HID: mcp2221: Fix GPIO output handling
2020-11-05 11:16:53 +01:00
hid-mf.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
hid-microsoft.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
2020-09-02 12:55:46 -07:00
hid-monterey.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-multitouch.c
HID: multitouch: Apply MT_QUIRK_CONFIDENCE quirk for multi-input devices
2021-01-30 13:55:17 +01:00
hid-nti.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-ntrig.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-ortek.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-penmount.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-petalynx.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-picolcd_backlight.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 265
2019-06-05 17:30:28 +02:00
hid-picolcd_cir.c
media: rc: harmonize infrared durations to microseconds
2020-09-03 16:18:55 +02:00
hid-picolcd_core.c
HID: do not call hid_set_drvdata(hdev, NULL) in drivers
2019-08-22 17:11:58 +02:00
hid-picolcd_debugfs.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 265
2019-06-05 17:30:28 +02:00
hid-picolcd_fb.c
Merge branch 'for-5.7/appleir' into for-linus
2020-04-01 12:26:12 +02:00
hid-picolcd_lcd.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 265
2019-06-05 17:30:28 +02:00
hid-picolcd_leds.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 265
2019-06-05 17:30:28 +02:00
hid-picolcd.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 265
2019-06-05 17:30:28 +02:00
hid-pl.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
hid-plantronics.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-primax.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
hid-prodikeys.c
HID: prodikeys: make array keys static const, makes object smaller
2019-10-01 16:21:04 +02:00
hid-quirks.c
HID: add HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE for Gamevice devices
2020-11-09 12:55:18 +01:00
hid-redragon.c
HID: redragon: fix num lock and caps lock LEDs
2018-06-25 15:23:40 +02:00
hid-retrode.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-rmi.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2020-10-23 16:16:31 -07:00
hid-roccat-arvo.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat-arvo.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat-common.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat-common.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat-isku.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat-isku.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat-kone.c
Merge branch 'for-5.9/upstream-fixes' into for-linus
2020-10-15 20:41:43 +02:00
hid-roccat-kone.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat-koneplus.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat-koneplus.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat-konepure.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat-kovaplus.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat-kovaplus.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat-lua.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat-lua.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat-pyra.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat-pyra.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat-ryos.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat-savu.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat-savu.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-roccat.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-saitek.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-samsung.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-sensor-custom.c
HID: hid-sensor-custom: Use scnprintf() for avoiding potential buffer overflow
2020-03-11 11:58:58 +01:00
hid-sensor-hub.c
HID: hid-sensor-hub: Fix issue with devices with no report ID
2020-11-05 11:09:28 +01:00
hid-sjoy.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
hid-sony.c
HID: sony: Fix for broken buttons on DS3 USB dongles
2020-05-26 11:00:49 +02:00
hid-speedlink.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-steam.c
HID: steam: fixes race in handling device list.
2020-06-19 09:21:21 +02:00
hid-steelseries.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-sunplus.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-tivo.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-tmff.c
HID: Fix assumption that devices have inputs
2019-10-03 15:36:40 -04:00
hid-topseed.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-twinhan.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 178
2019-05-30 11:29:19 -07:00
hid-u2fzero.c
HID: u2fzero: fail probe if not using USB transport
2019-04-17 16:39:43 +02:00
hid-uclogic-core.c
HID: uclogic: Add ID for Trust Flex Design Tablet
2020-10-22 11:52:02 +02:00
hid-uclogic-params.c
HID: uclogic: Add ID for Trust Flex Design Tablet
2020-10-22 11:52:02 +02:00
hid-uclogic-params.h
HID: uclogic: Support Gray-coded rotary encoders
2019-02-21 12:00:54 +01:00
hid-uclogic-rdesc.c
HID: uclogic: Add support for Ugee G5
2019-02-21 12:00:54 +01:00
hid-uclogic-rdesc.h
HID: uclogic: Add support for Ugee G5
2019-02-21 12:00:54 +01:00
hid-udraw-ps3.c
HID: udraw-ps3: Replace HTTP links with HTTPS ones
2020-07-20 12:24:41 +02:00
hid-viewsonic.c
HID: viewsonic: Support PD1011 signature pad
2019-02-21 12:00:53 +01:00
hid-vivaldi.c
HID: add vivaldi HID driver
2020-09-30 22:44:26 +02:00
hid-waltop.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-wiimote-core.c
HID: wiimote: narrow spinlock range in wiimote_hid_event()
2020-09-07 16:03:51 +02:00
hid-wiimote-debug.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-wiimote-modules.c
HID: Wiimote: Treat the d-pad as an analogue stick
2020-06-19 14:17:22 +02:00
hid-wiimote.h
HID: Wiimote: Treat the d-pad as an analogue stick
2020-06-19 14:17:22 +02:00
hid-xinmo.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hid-zpff.c
HID: Fix assumption that devices have inputs
2019-10-03 15:36:40 -04:00
hid-zydacron.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
hidraw.c
Merge branch 'for-5.6/hidraw' into for-linus
2020-01-27 15:49:30 +01:00
Kconfig
HID: sony: select CONFIG_CRC32
2021-01-27 11:54:57 +01:00
Makefile
HID: add vivaldi HID driver
2020-09-30 22:44:26 +02:00
uhid.c
HID: hidraw, uhid: Always report EPOLLOUT
2020-01-10 15:34:28 +01:00
wacom_sys.c
HID: wacom: Correct NULL dereference on AES pen proximity
2021-01-30 13:55:17 +01:00
wacom_wac.c
Merge branch 'for-5.9/upstream-fixes' into for-linus
2020-10-15 20:41:43 +02:00
wacom_wac.h
HID: wacom: Correct NULL dereference on AES pen proximity
2021-01-30 13:55:17 +01:00
wacom.h
HID: wacom: generic: Treat serial number and related fields as unsigned
2019-11-06 21:37:29 +01:00