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df3334c223
linux/drivers/usb/usbip
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Colin Ian King df3334c223 usbip: vudc: fix null pointer dereference on udc->lock 
Currently the driver attempts to spin lock on udc->lock before a NULL
pointer check is performed on udc, hence there is a potential null
pointer dereference on udc->lock.  Fix this by moving the null check
on udc before the lock occurs.

Fixes: ea6873a45a ("usbip: vudc: Add SysFS infrastructure for VUDC")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Shuah Khan <shuahkh@osg.samsung.com>
Reviewed-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-09 10:01:07 -08:00
..
Kconfig usb: Kconfig: using select for USB_COMMON dependency 2016-09-27 12:20:17 +02:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
README
stub_dev.c usbip: keep usbip_device sockfd state in sync with tcp_socket 2018-02-15 18:43:57 +01:00
stub_main.c usbip: stub: stop printing kernel pointer addresses in messages 2017-12-19 11:40:54 +01:00
stub_rx.c Merge 4.15.0-rc6 into usb-next 2018-01-02 15:13:41 +01:00
stub_tx.c usbip: stub: stop printing kernel pointer addresses in messages 2017-12-19 11:40:54 +01:00
stub.h USB: usbip: Remove redundant license text 2017-11-07 15:45:01 +01:00
usbip_common.c Merge 4.15-rc8 into usb-next 2018-01-15 15:00:11 +01:00
usbip_common.h usbip: prevent vhci_hcd driver from leaking a socket pointer address 2017-12-08 17:32:23 +01:00
usbip_event.c USB: usbip: Remove redundant license text 2017-11-07 15:45:01 +01:00
vhci_hcd.c usbip: keep usbip_device sockfd state in sync with tcp_socket 2018-02-15 18:43:57 +01:00
vhci_rx.c usbip: vhci: fix spelling mistake: "synchronuously" -> "synchronously" 2018-01-04 17:05:55 +01:00
vhci_sysfs.c USB: move many drivers to use DEVICE_ATTR_WO 2018-01-24 08:49:52 +01:00
vhci_tx.c usbip: vhci: stop printing kernel pointer addresses in messages 2017-12-19 11:40:54 +01:00
vhci.h USB: usbip: Remove redundant license text 2017-11-07 15:45:01 +01:00
vudc_dev.c USB: usbip: Remove redundant license text 2017-11-07 15:45:01 +01:00
vudc_main.c USB: usbip: Remove redundant license text 2017-11-07 15:45:01 +01:00
vudc_rx.c usbip: fix vudc_rx: harden CMD_SUBMIT path to handle malicious input 2018-01-04 17:07:26 +01:00
vudc_sysfs.c usbip: vudc: fix null pointer dereference on udc->lock 2018-03-09 10:01:07 -08:00
vudc_transfer.c USB: usbip: Remove redundant license text 2017-11-07 15:45:01 +01:00
vudc_tx.c usbip: vudc_tx: fix v_send_ret_submit() vulnerability to null xfer buffer 2018-01-04 17:07:27 +01:00
vudc.h USB: usbip: Remove redundant license text 2017-11-07 15:45:01 +01:00

README 

TODO:
	- more discussion about the protocol
	- testing
	- review of the userspace interface
	- document the protocol

Please send patches for this code to Greg Kroah-Hartman <greg@kroah.com>