r0 = syz_open_dev$sg(&(0x7f0000000080), 0x0, 0xad02)
r1 = fcntl$dupfd(r0, 0x0, r0)
readv(r1, &(0x7f0000000000)=[{&(0x7f0000000440)=""/4096, 0x1000}], 0x1)