# https://syzkaller.appspot.com/bug?id=229bf884d3da945377a166d39d2641e53e941b34
# See https://goo.gl/kgGztJ for information about syzkaller reproducers.
#{Threaded:true Collide:false Repeat:true Procs:8 Sandbox: Fault:false FaultCall:-1 FaultNth:0 EnableTun:true UseTmpDir:true HandleSegv:true WaitRepeat:false Debug:false Repro:false}
mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0)
r0 = socket$inet(0x2, 0x80a, 0x0)
ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f00008a4000-0x20)={@common='lo\x00', @ifru_flags=0xfffffffffffffffd})
setsockopt$inet6_MRT6_ADD_MFC_PROXY(0xffffffffffffffff, 0x29, 0xd2, &(0x7f0000f81000)={{0xa, 0x0, 0x0, @dev={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0xd}, 0x0}, {0xa, 0x0, 0x7f, @loopback={0x0, 0x1}, 0xfacb}, 0x5, [0x1, 0x0, 0x7, 0x4, 0x40, 0x8000000000, 0x1, 0x8]}, 0x5c)
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f00008a4000-0x20)={@common='lo\x00', @ifru_addrs={0x2, 0xffffffffffffffff, @empty=0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}})
r2 = socket$inet6(0xa, 0x1000000000003, 0x4)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f00002bf000)={@common='sit0\x00', <r3=>0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]})
ioctl$sock_SIOCBRADDBR(r2, 0x89a0, &(0x7f0000c95000-0x10)=@syzn={0x73, 0x79, 0x7a, 0x0, 0x0})
ioctl$sock_inet6_SIOCADDRT(r2, 0x890b, &(0x7f0000d04000-0x50)={@empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, @empty={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xffffffffffffffff, 0xaa}, 0x0, 0x0, 0x0, 0x0, 0x4, 0xc100bf, r3})
r4 = socket(0xa, 0x1, 0x0)
ioctl(r4, 0x7fff, &(0x7f0000c57000-0x9a)="")
ioctl$sock_inet6_SIOCADDRT(r4, 0x890b, &(0x7f0000fd7000)={@loopback={0x0, 0x1}, @remote={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0xffffffffffffffff, 0xbb}, @mcast1={0xff, 0x1, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x1}, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x1})