Bug#553503: exim4 segfaults here too

[Andreas Metzler]

On 2009-11-25 Jürgen Leibner <juergen.leibner at t-online.de> wrote:
> On Sat, Nov 21, 2009 at 05:36:12PM +0100, juergen at leibner.eu wrote:
>> On Saturday 21 November 2009 16:46 Andreas Metzler wrote:
>> ...
>>> Could you try to get a coredump?

>>> ulimit -c unlimited
>>> echo 2 > /proc/sys/fs/suid_dumpable
>>> echo '/tmp/%e.core.%t.%p' > /proc/sys/kernel/core_pattern

[...]
> A new segfault happend today, but no core file was written in /tmp/

> Nov 25 11:05:05 atom kernel: [1930263.051676] exim4[11552]: segfault at 
> 7fff406846e8 ip 41b6da sp 7fff406846f0 error 6 in +exim4[400000+ad000]

> Any hints?

Hello,
Hmm. I have broken exim to cause it to crash reliably. Yesterday in
the evening I also had problems get a coredump from this broken
binary, today it works. :-O

Did you perhaps restart exim at a later point of time without
ulimit -c unlimited. How about adding

ulimit -c unlimited
echo 2 > /proc/sys/fs/suid_dumpable
echo '/tmp/%e.core.%t.%p' > /proc/sys/kernel/core_pattern

to the top of /etc/init.d/exim4 and running
/etc/init.d/exim4 restart
afterwards to make sure things are set up properly?
 
cu andreas

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