Bug#774012: Still is not fixed for jessie (Re: systemd: Program terminated with signal SIGFPE, Arithmetic exception)

[Yuriy M. Kaminskiy]

On 28.12.2015 16:15, Michael Biebl wrote:
> Am 28.12.2015 um 13:33 schrieb Yuriy M. Kaminskiy:
>> This bug is still present in jessie's systemd 215-17+deb8u1 (backtrace
>> is same).
> If someone, who is able to reproduce the issue, is willing to backport
> the necessary changes to v215, I'd be willing to merge this patch for
> stable, assuming the change is not too invasive.
>
This issue was claimed to be "probably fixed" by commit 
9c3349e23b14db27e7ba45f82cf647899c563ea9.
I've cherry-picked that commit to v215, fixed conflicts, stripped out 
cosmetic changes (and removed one chunk that was later reverted 
upstream), see attached.
Unfortunately, I have no idea how to reliable reproduce this issue (and 
have no spare machine for tests), so it is completely untested.
Given it is not clear if this issue is completely fixed, I'd rather 
replace "assert()" with "return"; maybe, n_running_jobs==0 will break 
something somewhere else, but at least it should not outright kill 
systemd process with SIGFPE (or assert), see second patch.
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