r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
readv(r0, &(0x7f00000005c0)=[{&(0x7f0000000200)=""/94, 0x5e}], 0x1)
r1 = syz_open_dev$tty20(0xc, 0x4, 0x0)
readv(r1, &(0x7f00000005c0)=[{&(0x7f0000000200)=""/94, 0x5e}], 0x1)
r2 = syz_open_dev$tty20(0xc, 0x4, 0x0)
ioctl$TIOCSTI(r2, 0x5437, 0x0)