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
[off-list ref] has already found the root cause.  Thank you!

Stefan