Bug#988086: Exim delivery process crashes on each mail with NULL-pointer

[Adam D. Barratt]

On Wed, 2021-05-05 at 11:07 +0000, halfdog wrote:
> This is weird: I have only bullseye/bullseye-updates/bullseye-
> security
> in my sources list. I applied all updates on 2nd of May with
> no Exim package available. Then after the 21nails disclosure
> I run the updates (timestamps in UTC):
> 
> 2021-05-02 07:05:31 status installed initramfs-tools:all 0.140
> ...
> 2021-05-04 16:49:48 upgrade exim4-daemon-light:amd64 4.94-17 4.94-19
> 
> But there is no transaction for 4.94-19 in PTS between these
> two dates, next is
> 
> [2021-05-05] exim4 4.94-19 MIGRATED to testing (Debian testing
> watch) 

The "testing watch" script only runs daily, in the early morning UTC.
The 4.94-19 package actually migrated on the morning of the 4th (again
UTC):

20210504101451|control-suite|dak|added|testing|exim4 4.94-19 source

The upload including the 21nails fixes is:

20210504134823|process-upload|dak|ACCEPT|exim4_4.94.2-1_multi.changes

Regards,

Adam