openat$tun(0xffffffffffffff9c, &(0x7f00000001c0), 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000005c0)='fdinfo/3\x00') pread64(r0, &(0x7f00000006c0)=""/55, 0x37, 0x0)