GNU bug report logs - #30918
mv: don't use syscall() to call renameat2()

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Message #11 received at 30918 <at> debbugs.gnu.org (full text, mbox):

From: Clint Adams <clint <at> gnu.org>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: 30918 <at> debbugs.gnu.org, Ross Burton <ross <at> burtonini.com>
Subject: Re: bug#30918: Don't use syscall() to call renameat2()
Date: Sat, 24 Mar 2018 21:00:24 +0000

On Fri, Mar 23, 2018 at 12:02:36PM -0700, Paul Eggert wrote:
> That would reintroduce race-condition security holes in the ordinary build
> of GNU Coreutils on GNU/Linux, which would not be a good thing. Instead, how
> about fixing fakeroot so that it traps 'syscall' and fails with errno ==
> ENOTSUP? Better yet, fix fakeroot so that it implements the renameat2
> semantics with that syscall. (Or even better, add renameat2 to both glibc
> and fakeroot. :-)

What's keeping it out of glibc?

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