r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
writev(r0, &(0x7f00000004c0)=[{&(0x7f0000000140)="c3d46788fdee3ab0ba9597e2421b29210b3abc5d6d7eb4ebe3f4bdf4bcbd19144870204d8f28cc1486a0350f7843582b926219bb67a204465dbb2831f9f30040d89fc8e59100432823350a0f73e01ddfd22be607d0795a1d658927b4ec3cb5e91de76f7a3cf8e8e07b702e94ff8fbad4c1f91e2d81ed", 0x76}], 0x1)