r0 = syz_open_dev$tty20(0xc, 0x4, 0x1)
writev(r0, &(0x7f0000001240)=[{&(0x7f00000012c0)="af012bb8ee98b70f0afe4138ab2bb610aa058ce9919e370e1d9c7f2c921d8fdb4548c61cf023bdeda6b39b75", 0x2c}], 0x1)