[PATCH v3] elf: Release dl_load_lock before running dlopen constructors (BZ 15686)

Carlos O'Donell carlos@redhat.com
Tue Jul 21 12:48:39 GMT 2026


On 7/21/26 8:29 AM, Alexander Pevzner wrote:
> On 7/21/26 12:43 AM, Carlos O'Donell wrote:
>> We might be able to run with this change downstream in Fedora and
>> use our build infrastructure to do A/B build testing of the
>> distribution to see if something comes out of the larger scale
>> testing.
> 
> BTW, I have tried the Artem's simple test on Fedora-44, and locking
> is fully reproduceable there.

The goal is to test much more of userspace to determine the impact of the
change.
  
With mass-prebuild (https://gitlab.com/fedora/packager-tools/mass-prebuild) we
can build glibc with modifications into the COPR (default backend for mass
prebuild) and then do the A/B (build and test) of thousands of packages as a
proxy for finding issues.

-- 
Cheers,
Carlos.



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