r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$TIOCVHANGUP(r0, 0x5437, 0x0)
readv(0xffffffffffffffff, 0x0, 0x0)
socket$inet6_udp(0xa, 0x2, 0x0)
unshare(0x0)
open(0x0, 0x0, 0x0)