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bug#30350: 27.0.50; Newest master can't run processes on macOS


From: Philipp Stephani
Subject: bug#30350: 27.0.50; Newest master can't run processes on macOS
Date: Sun, 11 Feb 2018 16:01:18 +0000



Alan Third <address@hidden> schrieb am Di., 6. Feb. 2018 um 23:44 Uhr:
On Tue, Feb 06, 2018 at 10:07:52PM +0000, Philipp Stephani wrote:
> However, when I change "file" to "/usr/bin/true" in the names list, the
> issue happens again (i.e. lstat and faccessat succeed for
> "/usr/bin/true/."). So this does appear to be a macOS bug, but it's not
> consistently reproducible.

Try setting the permissions of the test file to 500.

It looks like if the file is only readable and executable, then the
problem occurs, but if it’s writable it goes away.

That’s why we see it in places like /usr/bin where we don’t have write
permission, but can’t reproduce it in ~/ where we do.


Hmm. Using the sequence {"file", "file/."} with a mode of 0777 in /tmp indeed triggers the wrong behavior for me.

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