On Fri, Feb 4, 2022 at 2:04 AM Michael Hudson-Doyle
<michael.hud...@canonical.com> wrote:
>
> Hello again,
>
> On Fri, 28 Jan 2022 at 10:47, Michael Hudson-Doyle 
> <michael.hud...@canonical.com> wrote:
>>
>> glibc 2.35 is due to be released next week and the plan is to get it into 
>> Ubuntu pretty soon after that. As usual, this will run a very large number 
>> of autopkgtests and so be a bit disruptive, but I'm not expecting enormous 
>> fallout from this update based on the testing we have done so far. Assuming 
>> things line up, I'll try to upload on my Friday so that the infrastructure 
>> can grind away over the weekend.
>
>
> I've just uploaded the release to jamy. Hopefully all the tests will be done 
> by next week!

Thanks Michael!

Just in case anyone ran into a similar FTBFS due to 2.35 - it seems
that something in poll has changed and combining
"-O2 +LTO +libc 2.35"  which now are all default in jammy-proposed can
lead to breakage complaining like:

  error: ‘__poll_chk’ specified size between 18446744071562067968 and
18446744073709551615 exceeds maximum object size 9223372036854775807
[-Werror=stringop-overflow=]

For my case I've added a mitigation and reported it upstream, see [1].
But since FTFBS due to the new libc6 often follows a pattern and
breaks many packages the same way I wanted to bring it up here for
awareness.
Maybe there is a better global fix for it or at least some people can
save some time on debugging this issue.

[1]: https://bugs.launchpad.net/open-vm-tools/+bug/1960224

> Cheers,
> mwh
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-- 
Christian Ehrhardt
Staff Engineer, Ubuntu Server
Canonical Ltd

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