On Tue, 2017-01-31 at 11:06 -0800, Guenter Roeck wrote: > When unloading the r8152 driver using the 'unbind' sysfs attribute > in a system with KASAN enabled, the following error message is seen > on a regular basis. > > static int alloc_all_mem(struct r8152 *tp) > @@ -1423,10 +1420,6 @@ static int alloc_all_mem(struct r8152 *tp) > if (!tp->intr_urb) > goto err1; > > - tp->intr_buff = kmalloc(INTBUFSIZE, GFP_KERNEL); > - if (!tp->intr_buff) > - goto err1; > - > tp->intr_interval = (int)ep_intr->desc.bInterval; > usb_fill_int_urb(tp->intr_urb, tp->udev, usb_rcvintpipe(tp->udev, 3), > tp->intr_buff, INTBUFSIZE, intr_callback, This might lead to intr_buff being backed by vzalloc() instead of kzalloc() (check alloc_netdev_mqs()) It looks like it could cause a bug. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
