[systemd-devel] SegFaults?!

[Sven Anders]

Am 03.05.2012 21:12, schrieb Sven Anders:
> Am 03.05.2012 18:33, schrieb Lennart Poettering:
>> On Thu, 03.05.12 18:14, Sven Anders (anders at anduras.de) wrote:
>>
>>> I'm getting some SegFaults, which I can not explain. I think the problem
>>> lies somewhere in my configuration or systemd makes some assumptions and
>>> my system does not fulfill these requirements.
>>>
>>> Nevertheless, I think the tools should not SegFault but issue an error
>>> instead. By now I have no real idea where the problem lies.
>>> If I run the tool in valgrind, they work.
>>
>> Hmm, I don't see how a system call would result in a SIGSEGV. This is
>> really weird...
>>
>> The fd[] array passed to pipe() is allocated on the stack. This suggests
>> that your stack is getting corrupted somehow.
>>
>> Do things work correctly if you run stuff with --no-pager?
> 
> Curiously not. Only if I run this in valgrind...
> 
> I had another strange SegFault when using systemd-journalctl, but this
> is now gone... So I suspected a misconfiguration first...
> 
> This is the same compilation and other tools and systemd itself are
> running fine. I'm trying this in KVM with Linux kernel 3.2.2.

This only sees to happen, if I link the binaries with -pie . Have no idea
what is causing this yet. Will investigating this further...

Regards
 Sven Anders

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