[Rpm-maint] [PATCH 4/5] Extend header size to 64MB due to file signatures

Florian Festi ffesti at redhat.com
Fri Apr 29 08:27:39 UTC 2016

On 04/27/2016 09:47 PM, Stefan Berger wrote:
> "Rpm-maint" <rpm-maint-bounces at lists.rpm.org> wrote on 04/27/2016
> 05:50:54 AM:
>> Well changing header size limit needs a bit more thought. The main
>> problem is that packages with bigger header will look broken on older
>> rpm versions and the usual way of dealing with this (adding rpmlib()
>> Requires) won't work it needs reading the header.
> These huge headers are only occurring in a few very large packages and
> only if one applies the per-file signatures. So most users probably
> won't notice.
>> Also I wonder if we should increase the header size even more, to get
>> rid of this topic for a longer time. I thought about 256MB which gives a
>> 4 times increase over the 16MB. I am kinda tempted to go even further.
>> Otoh the limit is there for a reason. And having rpm chew through one GB
>> of broken data doesn't sound like a pleasant experience.
> Anything >=16 MB works with signed files for all packages in Fedora 23.
> Let me know if you want me to resubmit the patch with a higher limit.

Yes, please. 256MB is probably the way to go. Let's hope we don't reach
that any time soon.



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