From: Tomas Bortoli <[email protected]> Uninitialized Kernel memory can leak to USB devices.
Fix by using kzalloc() instead of kmalloc() on the affected buffers. Signed-off-by: Tomas Bortoli <[email protected]> Reported-by: [email protected] Fixes: f14e22435a27 ("net: can: peak_usb: Do not do dma on the stack") Cc: linux-stable <[email protected]> Signed-off-by: Marc Kleine-Budde <[email protected]> --- drivers/net/can/usb/peak_usb/pcan_usb_pro.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c index 178bb7cff0c1..53cb2f72bdd0 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c @@ -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; -- 2.20.1
