GNU bug report logs - #30350
27.0.50; Newest master can't run processes on macOS

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Message #79 received at 30350 <at> debbugs.gnu.org (full text, mbox):

From: Philipp Stephani <p.stephani2 <at> gmail.com>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: 30350 <at> debbugs.gnu.org, Alan Third <alan <at> idiocy.org>,
 Sam Steingold <sds <at> podval.org>
Subject: Re: bug#30350: 27.0.50; Newest master can't run processes on macOS
Date: Tue, 06 Feb 2018 22:07:52 +0000

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Philipp Stephani <p.stephani2 <at> gmail.com> schrieb am Di., 6. Feb. 2018 um
01:26 Uhr:

> Paul Eggert <eggert <at> cs.ucla.edu> schrieb am Di., 6. Feb. 2018 um
> 00:56 Uhr:
>
>> On 02/05/2018 11:18 AM, Alan Third wrote:
>> >
>> > Yes, it fixes the problem here.
>> >
>> > Is this a known issue with macOS?
>>
>> It's news to me and it's not listed in the Gnulib portability gotcha list.
>>
>> What happens if you run the attached program on macOS? It creates a file
>> "file" and then tries to access it as a directory, which should not work.
>>
>>
> It succeeds and prints nothing (i.e. the error is ENOTDIR in all cases).
> So this is even more mysterious than I thought.
>

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.

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