r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
writev(r0, &(0x7f00000013c0)=[{&(0x7f0000000100)="a0a35b63c558dd438a77f817b7c91f52ceaaa0deb028e4716dc389979db5cc75047af366ae573cca8bd06b410a3cc6212855e9ebf3733154db9b07a85476af5972b6049db16979d55d59de4ab51a859f2d7b664a4edb94bc8c247d38acac5e300f41fded2830ced4c60b73c1cfe3524cf8855275b27dc99db656895c657ad7e365296139da12dc443aec46ae41e2fd777e04792f817cc8ce2e396014a3d1f06dfdbf39a06a67336bf2239ef4eb02dd5b196f30f992a6ea7b8fca9e9f749029dbc4b853347c0f70ea948b938ea39faf982f653cc8c616bfb1cdf2bad2c01c0c63cb5dbcd1773236", 0xe7}, {&(0x7f0000000200)="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", 0x9b0}], 0x2)