3.2.82-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Kangjie Lu <kangjielu@xxxxxxxxx> commit 681fef8380eb818c0b845fca5d2ab1dcbab114ee upstream. The stack object “ci” has a total size of 8 bytes. Its last 3 bytes are padding bytes which are not initialized and leaked to userland via “copy_to_user”. Signed-off-by: Kangjie Lu <kjlu@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx> --- drivers/usb/core/devio.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -1005,10 +1005,11 @@ static int proc_getdriver(struct dev_sta static int proc_connectinfo(struct dev_state *ps, void __user *arg) { - struct usbdevfs_connectinfo ci = { - .devnum = ps->dev->devnum, - .slow = ps->dev->speed == USB_SPEED_LOW - }; + struct usbdevfs_connectinfo ci; + + memset(&ci, 0, sizeof(ci)); + ci.devnum = ps->dev->devnum; + ci.slow = ps->dev->speed == USB_SPEED_LOW; if (copy_to_user(arg, &ci, sizeof(ci))) return -EFAULT; -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html