With a minimal reproducer:
```bash
d=$(mktemp -d); :>$d/s; for i in $(seq 10); do for k in $(seq 32); do install 
-D $d/s $d/o$i/q/f$k & done; done; wait
```
we see eg "install: cannot create directory '/tmp/tmp.CB8euXaXaR/o10/q'". With 
GNU coreutils, EEXIST is ignored by design, thus this race does not occur.

Thanks,
  Daniel

** Changed in: coreutils-from (Ubuntu)
       Status: Incomplete => New

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https://bugs.launchpad.net/bugs/2152495

Title:
  "install -D" race condition

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