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Deep Down the Rabbit Hole: Bash, OverlayFS, and a 30-Year-Old Surprise

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80 points Deeg9rie9usi | 1 comments | 25 Jun 25 13:43 UTC | HN request time: 0.206s | source
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JonChesterfield ◴[25 Jun 25 23:51 UTC] No.44382886[source]▶
The response to the bug on the mailing list is disheartening. Report goes "set errno=0 so your error message makes sense". Didn't get a thanks, fixed.

Instead there's objections on the basis "filesystems shouldn't work like that".

replies(2): >>44383395 #>>44392606 #
1. BenjiWiebe ◴[26 Jun 25 23:53 UTC] No.44392606[source]▶
Especially when the man page for readdir() mentions that you should set errno=0 if you want to distinguish errors from end-of-stream.

Not like setting errno=0 before calling readdir() is a novel idea...