Alan Stern fc566b5a21 USB: core: Avoid WARNings for 0-length descriptor requests ...

[ Upstream commit 60dfe484ce ]

The USB core has utility routines to retrieve various types of
descriptors.  These routines will now provoke a WARN if they are asked
to retrieve 0 bytes (USB "receive" requests must not have zero
length), so avert this by checking the size argument at the start.

CC: Johan Hovold <johan@kernel.org>
Reported-and-tested-by: syzbot+7dbcd9ff34dc4ed45240@syzkaller.appspotmail.com
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20210607152307.GD1768031@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2021-08-26 08:36:13 -04:00

..

buffer.c

usb: add a hcd_uses_dma helper

2019-08-15 15:18:05 +02:00

config.c

USB: core: add endpoint-blacklist quirk

2020-02-28 17:22:16 +01:00

devices.c

Remove 'type' argument from access_ok() function

2019-01-03 18:57:57 -08:00

devio.c

USB: usbfs: Don't WARN about excessively large memory allocations

2021-06-03 08:59:04 +02:00

driver.c

USB: add support for dev_groups to struct usb_device_driver

2019-08-07 14:05:04 +02:00

endpoint.c

USB: core: move existing SPDX tags to top of the file

2017-11-03 10:12:26 +01:00

file.c

USB: core: Fix races in character device registration and deregistraion

2019-08-12 22:47:24 +02:00

generic.c

usbfs: Add ioctls for runtime power management

2019-08-09 07:55:45 +02:00

hcd-pci.c

Merge 5.3-rc7 into usb-next

2019-09-02 19:31:18 +02:00

hcd.c

USB: Fix incorrect DMA allocations for local memory pool drivers

2019-12-21 11:04:21 +01:00

hub.c

usb: hub: Fix link power management max exit latency (MEL) calculations

2021-07-28 13:30:59 +02:00

hub.h

usb: core: reduce power-on-good delay time of root hub

2021-06-03 08:59:16 +02:00

Kconfig

usb: remove redundant 'default n' from Kconfig-s

2019-05-21 10:06:22 +02:00

ledtrig-usbport.c

USB: leds: fix regression in usbport led trigger

2019-01-18 09:55:05 +01:00

Makefile

usb: core: add a wrapper for the USB PHYs on the HCD

2018-03-09 09:43:53 -08:00

message.c

USB: core: Avoid WARNings for 0-length descriptor requests

2021-08-26 08:36:13 -04:00

notify.c

USB: core: Remove usbfs_mutex

2019-06-26 10:28:09 +08:00

of.c

usb: Change usb_of_get_companion_dev() place to usb/common

2018-09-10 20:40:29 +02:00

otg_whitelist.h

USB: core: Remove redundant license text

2017-11-04 11:55:39 +01:00

phy.c

usb: core: phy: add support for PHY calibration

2019-09-03 15:54:55 +02:00

phy.h

usb: core: phy: add support for PHY calibration

2019-09-03 15:54:55 +02:00

port.c

usb: core: port: do error out if usb_autopm_get_interface() fails

2020-03-12 13:00:19 +01:00

quirks.c

Revert "USB: quirks: ignore remote wake-up on Fibocom L850-GL LTE modem"

2021-07-28 13:30:57 +02:00

sysfs.c

usb: core: fix slab-out-of-bounds Read in read_descriptors

2020-09-17 13:47:55 +02:00

urb.c

usb: core: Solve race condition in anchor cleanup functions

2020-10-29 09:58:09 +01:00

usb-acpi.c

usb: assign ACPI companions for embedded USB devices

2019-01-25 08:46:26 +01:00

usb.c

usb: remove commented out dma wrappers

2019-09-03 15:26:12 +02:00

usb.h

USB: core: add endpoint-blacklist quirk

2020-02-28 17:22:16 +01:00