r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r1, 0x0, 0x27, &(0x7f0000000000)={@remote, @loopback, @remote}, 0xc) r2 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r2, 0x6, 0xd, &(0x7f0000000100)='reno\x00', 0x5) getsockopt$inet_tcp_buf(r2, 0x6, 0xb, 0x0, &(0x7f0000000140)) setsockopt$inet_mreqsrc(r2, 0x0, 0x0, &(0x7f0000000040)={@remote, @loopback, @empty}, 0xc) ioctl$sock_inet_SIOCADDRT(r1, 0x890b, &(0x7f0000000080)={0x0, {0x2, 0x0, @multicast2=0xe0000014}, {0x2, 0x1, @dev}, {0x2, 0x0, @multicast2}, 0x154}) ioctl$GIO_SCRNMAP(r0, 0x4b40, &(0x7f0000000180)=""/208)