Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1537502

Re: Oops with CONFIG_VMAP_STCK and bond device + virtio-net

From Cong Wang <xiyou.wangcong@gmail.com>
Newsgroups linux.kernel
Subject Re: Oops with CONFIG_VMAP_STCK and bond device + virtio-net
Date 2016-12-07 07:00 +0100
Message-ID <sLDqN-4jB-1@gated-at.bofh.it> (permalink)
References <sLbkS-2IL-27@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On Mon, Dec 5, 2016 at 3:53 PM, Laura Abbott <labbott@redhat.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@kernel.org>
Date:   Mon Dec 5 18:10:58 2016 -0800

    virtio-net: Fix DMA-from-the-stack in virtnet_set_mac_address()

Back to linux.kernel | Previous | NextPrevious in thread | Find similar | Unroll thread


Thread

Oops with CONFIG_VMAP_STCK and bond device + virtio-net Laura Abbott <labbott@redhat.com> - 2016-12-06 01:00 +0100
  Re: Oops with CONFIG_VMAP_STCK and bond device + virtio-net Cong Wang <xiyou.wangcong@gmail.com> - 2016-12-07 07:00 +0100

csiph-web