On Mon, Dec 5, 2016 at 3:53 PM, Laura Abbott <labbott@xxxxxxxxxx> wrote:
> This looks like an issue with CONFIG_VMAP_STACK since bond_enslave uses
> struct sockaddr from the stack and virtnet_set_mac_address calls
> sg_init_one which triggers BUG_ON(!virt_addr_valid(buf));
>
> I know there have been a lot of CONFIG_VMAP_STACK fixes around but I
> didn't find this one reported yet.
Fixed by:
commit e37e2ff350a321ad9c36b588e76f34fbba305be6
Author: Andy Lutomirski <luto@xxxxxxxxxx>
Date: Mon Dec 5 18:10:58 2016 -0800
virtio-net: Fix DMA-from-the-stack in virtnet_set_mac_address()
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