r0 = syz_open_dev$tty20(0xc, 0x4, 0x1)
readv(r0, &(0x7f00000001c0)=[{&(0x7f0000000080)=""/32, 0x20}], 0x1)
r1 = syz_open_dev$tty20(0xc, 0x4, 0x1)
ioctl$TIOCSTI(r1, 0x5412, &(0x7f00000000c0))
ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, "3fac8bb2dd9592be82495f9a19fae918ddbab7"})