GNU bug report logs - #39236
[musl] coreutils cp mishandles error return from lchmod

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Florian Weimer <fweimer <at> redhat.com>
To: Rich Felker <dalias <at> libc.org>
Cc: musl <at> lists.openwall.com, bug-coreutils <at> gnu.org
Subject: Re: [musl] coreutils cp mishandles error return from lchmod
Date: Wed, 22 Jan 2020 15:34:18 +0100

* Rich Felker:

> coreutils should be opting to use the system-provided lchmod, which is
> safe, and correctly handling error returns (silently treating
> EOPNOTSUPP as success) rather than as hard errors.

glibc's lchmod always returns ENOSYS (except on Hurd).  I don't know how
lchmod is used in coreutils, but I suspect it is not particularly
useful.

Thanks,
Florian

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