My apologies for bad quoting.. email from phone. What version of rpm build is used and what are some packages which are rebuilt that show this issue. This may be needed if the core dump is due to something else in the environment like memory limits etc 

Stephen Smoogen, Red Hat Automotive
Let us be kind to one another, for most of us are fighting a hard battle. -- Ian MacClaren


On Sun, Dec 24, 2023 at 14:27 Sam Varshavchik <mrsam@courier-mta.com> wrote:
It seems that rpmbuild dumps core at the end of the build process, every 
once in a while. Typical:

Wrote: /__w/courier-libs/courier-libs/courier-authlib/rpm/RPMS/x86_64/courier-authlib-userdb-debuginfo-0.72.0.20231223-101.fc39.x86_64.rpm
Wrote: /__w/courier-libs/courier-libs/courier-authlib/rpm/RPMS/x86_64/courier-authlib-devel-0.72.0.20231223-101.fc39.x86_64.rpm
double free or corruption (fasttop)
make[1]: *** [Makefile:2447: dorpm] Aborted (core dumped)
make[1]: Leaving directory '/__w/courier-libs/courier-libs/courier-authlib'
make: *** [Makefile:2439: rpm-build] Error 2

Just trying again, with the same build, typically succeeds. In my estimate 
it dumps core about 5% of the time, randomly.

I can rule out a hardware issue on my side, because this just happened in a 
github workflow container:

https://github.com/svarshavchik/courier-libs/actions/runs/7315972215/job/19930137170

You'll probably need to be signed into github see the log, but that's 
basically it.

I can't find anything relevant in Bugzilla, is anyone else seeing this, too?

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