r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0)
ioctl$TIOCPKT(r0, 0x5420, &(0x7f0000000000)=0x4)
ioctl$TIOCSPTLCK(r0, 0x40045431, &(0x7f0000000040))
r1 = syz_open_pts(r0, 0x0)
ioctl$TIOCVHANGUP(r1, 0x5437, 0x0)