bug#50784: closed (coreutils 9.0 sometimes gets spurious failures in chmod -R)

[GNU bug Tracking System]

Your message dated Fri, 24 Sep 2021 23:48:43 +0100
with message-id <07a23500-3f15-daf2-1244-a472634b377b@draigBrady.com>
and subject line Re: bug#50784: coreutils 9.0 sometimes gets spurious failures 
in chmod -R
has caused the debbugs.gnu.org bug report #50784,
regarding coreutils 9.0 sometimes gets spurious failures in chmod -R
to be marked as done.

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50784: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=50784
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> --- Begin Message ---
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> Subject: 
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> coreutils 9.0 sometimes gets spurious failures in chmod -R
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> Date: 
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> Fri, 24 Sep 2021 11:21:40 -0700
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> After I upgraded my system (locally built) to coreutils 9.0, I noticed
> that my lightly modified sbuild started getting build failures when it
> tries to run "chmod -R g+w /<<BUILDDIR>>" (as root) in the chroot.
> I'm not sure exactly what combination of files triggers the error, but
> I'm able to reproduce it roughly as follows:
>
> cd /tmp
> tar -x -f .../coreutils-9.0.tar.xz
> cd coreutils-9.0
> mkdir obj-x86_64-linux-gnu
> cd obj-x86_64-linux-gnu
> ../configure --prefix=/usr
> make -j8
> chmod -R u+w /tmp/coreutils-9.0/obj-x86_64-linux-gnu
> echo $?
>
> In the last chmod command, there are no failures reported; and even if
> I run it under strace, I see no hints of any failed system calls other
> than one in access("/etc/ld.so.preload", R_OK) at startup -- and
> certainly no failures in the fchmodat() system calls.  Yet the exit
> code from the process is 1.
>
> I wasn't seeing any such errors under sbuild using coreutils 8.32.
> -- 
> Daniel Schepler
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#50784: coreutils 9.0 sometimes gets spurious failures in chmod -R
>
>
>
>
> Date: 
>
> Fri, 24 Sep 2021 23:48:43 +0100
>
>
>
>
> User-agent: 
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> Mozilla/5.0 (X11; Linux x86_64; rv:84.0) Gecko/20100101 Thunderbird/84.0
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>
>
>
> On 24/09/2021 22:42, Daniel Schepler wrote:
> > On Fri, Sep 24, 2021 at 1:02 PM Pádraig Brady <P@draigbrady.com> wrote:
> > > > Could you try with the following untested diff:
> > >
> > > Tested equivalent patch is attached.
> >
> > Yes, with chmod-fix-symlink-exit.patch applied and the resulting
> > packages installed for testing, the issue does appear to be resolved.
>
> Thanks for testing.
> Pushed (with NEWS update).
> marking this as done.
>
> thanks,
> Pádraig
>
>
> --- End Message ---