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Michael Grzeschik e3954b4c00 usb: usbip: set buffer pointers to NULL after free

commit b3b51417d0 upstream.

The usbip stack dynamically allocates the transfer_buffer and
setup_packet of each urb that got generated by the tcp to usb stub code.
As these pointers are always used only once we will set them to NULL
after use. This is done likewise to the free_urb code in vudc_dev.c.
This patch fixes double kfree situations where the usbip remote side
added the URB_FREE_BUFFER.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Acked-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2017-07-12 16:53:55 +02:00

Kconfig

usb: Kconfig: using select for USB_COMMON dependency

2016-09-27 12:20:17 +02:00

Makefile

usbip: vudc: Add vudc to Kconfig

2016-04-26 15:19:50 -07:00

README

…

stub_dev.c

usbip: fix NULL pointer dereference on errors

2016-04-28 12:28:08 -07:00

stub_main.c

usb: usbip: set buffer pointers to NULL after free

2017-07-12 16:53:55 +02:00

stub_rx.c

usb: usbip: stub_rx: don't print error when allocating urb fails

2016-08-15 15:54:27 +02:00

stub_tx.c

usb: usbip: set buffer pointers to NULL after free

2017-07-12 16:53:55 +02:00

stub.h

usbip: fix NULL pointer dereference on errors

2016-04-28 12:28:08 -07:00

usbip_common.c

Merge branch 'work.sendmsg' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2017-03-02 15:16:38 -08:00

usbip_common.h

sched/headers: Prepare to move the get_task_struct()/put_task_struct() and related APIs from <linux/sched.h> to <linux/sched/task.h>

2017-03-02 08:42:40 +01:00

usbip_event.c

usbip: event handler as one thread

2016-04-19 04:33:15 +09:00

vhci_hcd.c

USB: usbip: fix nonconforming hub descriptor

2017-06-24 07:06:19 +02:00

vhci_rx.c

usbip: vhci extension: modifications to vhci driver

2016-08-09 16:21:05 +02:00

vhci_sysfs.c

usbip: fix warning in vhci_hcd_probe/lockdep_init_map

2016-12-06 08:37:41 +01:00

vhci_tx.c

usb: usbip: Fix possible deadlocks reported by lockdep

2016-02-03 13:52:10 -08:00

vhci.h

usbip: vhci extension: modifications to vhci driver

2016-08-09 16:21:05 +02:00

vudc_dev.c

usbip: vudc: Refactor init_vudc_hw() to be more obvious

2016-12-05 15:08:45 +01:00

vudc_main.c

usbip: vudc: Add VUDC main file

2016-04-26 15:19:50 -07:00

vudc_rx.c

usb: usbip: vudc: fix left shift overflow

2016-08-30 22:28:52 +02:00

vudc_sysfs.c

usb: usbip: remove null check

2016-06-07 22:18:39 -07:00

vudc_transfer.c

usbip: vudc: fix: Clear already_seen flag also for ep0

2016-12-05 15:08:45 +01:00

vudc_tx.c

usbip: vudc: Add vudc_tx

2016-04-26 15:19:50 -07:00

vudc.h

usb: usbip: vudc: Rename find_endpoint() to vudc_find_endpoint()

2016-04-28 12:28:08 -07:00

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>