r0 = syz_open_dev$tty20(0xc, 0x4, 0x1)
writev(r0, &(0x7f0000000540)=[{&(0x7f0000000280)="1db31e877f953dcf832e3f0c43f4af309863ad030567c26e16e3e26857c60ee9e29b4d", 0x23}], 0x1)