r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
writev(r0, &(0x7f0000000280)=[{&(0x7f00000001c0)="7cbdfeb994b9560ce8c115bd136e3be2e603b5c118e824be1b3d", 0x1a}], 0x1)