r0 = openat$hpet(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0)
r1 = syz_open_dev$tty20(0xc, 0x4, 0x0)
ioctl$TIOCVHANGUP(r1, 0x5437, 0x0)
r2 = syz_open_dev$tty20(0xc, 0x4, 0x0)
dup2(r0, r2)
r3 = syz_open_dev$tty20(0xc, 0x4, 0x0)
ioctl$TCXONC(r1, 0x540a, 0x2)
ioctl$TCXONC(r3, 0x540a, 0x3)
ioctl$F2FS_IOC_GET_FEATURES(r3, 0x8004f50c, &(0x7f0000000000))
ioctl$TIOCVHANGUP(r3, 0x5437, 0x0)