Re: find-debuginfo failing with objcopy Permission denied error

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On Thu, Nov 28, 2024 at 06:30:14PM +0100, Mark Wielaard wrote:
> Hi,
> 
> Sorry, I missed this thread. Please do feel free to file a bugzilla
> against debugedit for these kind of issues.
> 
> On Mon, 2024-11-25 at 14:36 +0100, Jaroslav Škarvada wrote:
> > the tcl package build started to fail with the same error in rawhide [1]:
> >  /usr/bin/find-debuginfo -j4 --strict-build-id -m -i --build-id-seed
> > 8.6.15-3.fc42 --unique-debug-suffix -8.6.15-3.fc42.x86_64
> > --unique-debug-src-base tcl-8.6.15-3.fc42.x86_64 --run-dwz
> > --dwz-low-mem-die-limit 10000000 --dwz-max-die-limit 110000000 -S
> > debugsourcefiles.list /builddir/build/BUILD/tcl-8.6.15-build/tcl8.6.15
> > find-debuginfo: starting
> > Extracting debug info from 2 files
> > objcopy: unable to copy file
> > '/builddir/build/BUILD/tcl-8.6.15-build/BUILDROOT/usr/lib64/libtcl8.6.so';
> > reason: Permission denied
> > *** ERROR:: GDB exited with exit status 1 during index generation
> > 
> > Mode of the library is: 0555
> > 
> > It makes sense to me that the library is installed as read-only by the
> > upstream build script, so I don't want to divert from the upstream and
> > workaround it, especially if it worked previously. So what's the
> > solution for it?
> 
> As others already analyzed this is because debugedit added error
> checking for gdb-add-index in debugedit 5.1. Which is good. Except it
> found a bug (which was previously ignored) and made builds fail...
> 
> I submitted a fix upstream:
> https://inbox.sourceware.org/debugedit/20241128171256.2194466-1-mark@xxxxxxxxx/T
> 
> And already added it to the debugedit-5.1-2 package in rawhide.
> If this works out I'll backport it to f41 too.
> 
> Please let me know if the above fixes your issue.

Yes, debugedit-5.1-2.fc42.x86_64 fixes the issue.

I tested by reverted the chmod +w Guestfs.so in the spec file (so the
shared library is unwritable), and rebuilding locally ('fedpkg local')
with the new debugedit package.  No objcopy error was observed.

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
libguestfs lets you edit virtual machines.  Supports shell scripting,
bindings from many languages.  http://libguestfs.org

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