r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
writev(r0, &(0x7f00000004c0)=[{&(0x7f0000000140)="c3d46788fdee3ab0ba9597e2421b39210b3abc5d6d7eb4ebe3f4bdf4bcbd19144870204d8f28cc1486a0350f7843582b926219bb67a204465dbb2831f9f30040d89fc8e59100432823350a0f73e01ddfd22be607d0795a1d658927b4ec3cb5e91de76f7a3cf8e8e07b702e94ff8fbad4c1f91e2d81ed5bf3650e9c3e35085a3fb4e447537486191ac609acd5ccdca455b4042e3a7c274ce1ab00e54eaaa89fdfe99da42108cc920342c11e78c6869e3d6913b3da5fc50ce055764e8bc28c100f9c605eaa7710cb4af33b84aca3a4a397aacfc677865eb86a692ac2c7d9df5a9ff0f1070eb9091647c1748c", 0xeb}, {&(0x7f0000000000)="f288fa181b7f5b02d0e20458dc306e293a7bf2511bd58ebebe89ef74a463f9dc39ab8ec86369769ac4dc5cdc663252431f594e7e9693ce2c1cf3bb9a0294ec05fd73486b5d20227eecec180578d9a707d5ae6d72461ccdf0f611b6dcd81a310cdd995f67f25a0c27d43a5165af36564903dbf181263e", 0x76}, {&(0x7f0000000240)="4002a0aced800b75828944491809136f464f2d4db90bd8df3de53be39aeb450ae58d594e047cb6f62818d1d961e53074f948629c56dcc7b8519cbfa37815fdd0d489fcb2c987306dee9db66d0af4b322d10552de0da97bf257ed8cd101422bebb1dae7062f6e2f909a72d9262fdac1c56e0e7ddc95502b7705d4ee3145fabb4efb489f43b1015135572e1a06a3f6baad7b87de12f600064e9f236ba1b3bffdd6816f46b20d1efdccbf2c1c6c1b", 0xad}], 0x3)