r0 = syz_open_dev$tty20(0xc, 0x4, 0x1)
writev(r0, &(0x7f00000024c0)=[{&(0x7f0000000100)="ca22160ee0f69ae714602b51079996a1fb9a942cd0d9edd9c51f3054771440fed253e366719459f29b4a", 0x2a}], 0x1)