# https://syzkaller.appspot.com/bug?id=a652ddf168ffc4273a60f6321077e72a156966e8
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{"repeat":true,"procs":1,"slowdown":1,"sandbox":"none","sandbox_arg":0,"netdev":true,"close_fds":true}
r0 = socket$inet_udp(0x2, 0x2, 0x0)
setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000040)='gre0\x00', 0x10)
connect$inet(r0, &(0x7f0000000180)={0x2, 0x0, @multicast2}, 0x10)
sendmmsg(r0, &(0x7f0000007fc0), 0x22d, 0x0)
r1 = socket(0x1, 0x803, 0x0)
ioctl$sock_ipv4_tunnel_SIOCCHGTUNNEL(r1, 0x89f3, &(0x7f0000000300)={'gre0\x00', &(0x7f0000000000)={'syztnl0\x00', 0x0, 0x0, 0x3c48, 0x0, 0x0, {{0x5, 0x4, 0x0, 0x0, 0x14, 0x0, 0x0, 0x0, 0x2f, 0x0, @empty, @empty}}}})