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Date: Tue, 6 Dec 2016 21:58:56 -0800 From: Cong Wang <xiyou.wangcong@...il.com> To: Laura Abbott <labbott@...hat.com> Cc: "Michael S. Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>, Zbigniew Jędrzejewski-Szmek <zbyszek@...waw.pl>, virtualization@...ts.linux-foundation.org, Linux Kernel Network Developers <netdev@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: Oops with CONFIG_VMAP_STCK and bond device + virtio-net On Mon, Dec 5, 2016 at 3:53 PM, Laura Abbott <labbott@...hat.com> 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@...nel.org> 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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