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linux-can-fixes-for-5.3-20190802

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Merge tag 'linux-can-fixes-for-5.3-20190802' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can

Marc Kleine-Budde says:

====================
pull-request: can 2019-08-02

this is a pull request of 4 patches for net/master.

The first two patches are by Wang Xiayang, they force that the string buffer
during a dev_info() is properly NULL terminated.

The last two patches are by Tomas Bortoli and fix both a potential info leak of
kernel memory to USB devices.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2019-08-05 14:44:53 -07:00
commit f7813d5c63
4 changed files with 4 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/net/can/sja1000/peak_pcmcia.c
View file

@ -479,7 +479,7 @@ static void pcan_free_channels(struct pcan_pccard *card)
if (!netdev)
continue;
strncpy(name, netdev->name, IFNAMSIZ);
strlcpy(name, netdev->name, IFNAMSIZ);
unregister_sja1000dev(netdev);

2
drivers/net/can/usb/peak_usb/pcan_usb_core.c
View file

@ -855,7 +855,7 @@ static void peak_usb_disconnect(struct usb_interface *intf)
dev_prev_siblings = dev->prev_siblings;
dev->state &= ~PCAN_USB_STATE_CONNECTED;
strncpy(name, netdev->name, IFNAMSIZ);
strlcpy(name, netdev->name, IFNAMSIZ);
unregister_netdev(netdev);

2
drivers/net/can/usb/peak_usb/pcan_usb_fd.c
View file

@ -841,7 +841,7 @@ static int pcan_usb_fd_init(struct peak_usb_device *dev)
goto err_out;
/* allocate command buffer once for all for the interface */
pdev->cmd_buffer_addr = kmalloc(PCAN_UFD_CMD_BUFFER_SIZE,
pdev->cmd_buffer_addr = kzalloc(PCAN_UFD_CMD_BUFFER_SIZE,
GFP_KERNEL);
if (!pdev->cmd_buffer_addr)
goto err_out_1;

2
drivers/net/can/usb/peak_usb/pcan_usb_pro.c
View file

@ -494,7 +494,7 @@ static int pcan_usb_pro_drv_loaded(struct peak_usb_device *dev, int loaded)
u8 *buffer;
int err;
buffer = kmalloc(PCAN_USBPRO_FCT_DRVLD_REQ_LEN, GFP_KERNEL);
buffer = kzalloc(PCAN_USBPRO_FCT_DRVLD_REQ_LEN, GFP_KERNEL);
if (!buffer)
return -ENOMEM;