Re: BUG: unable to handle kernel paging request in vsock_diag_dump

[Stefan Hajnoczi]

On Tue, Oct 24, 2017 at 08:14:01AM -0700, syzbot wrote:
> Hello,
> 
> syzkaller hit the following crash on
> 28f50eb20931f32a2ceeb6aba8fa2cd5ca96ad9f
> git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/master
> compiler: gcc (GCC) 7.1.1 20170620
> .config is attached
> Raw console output is attached.
> C reproducer is attached
> syzkaller reproducer is attached. See https://goo.gl/kgGztJ
> for information about syzkaller reproducers
> 
> 
> IP: read_pnet include/net/net_namespace.h:269 [inline]
> IP: sock_net include/net/sock.h:2299 [inline]
> IP: vsock_diag_dump+0x290/0xa80 net/vmw_vsock/diag.c:87

Feel free to ignore my previous reply, Cong Wang
<xiyou.wangcong@xxxxxxxxx> has already found the root cause.  Thank you!

Stefan