[Dovecot] problems with dotlock
tss at iki.fi
Tue Mar 3 03:22:11 EET 2009
On Mar 2, 2009, at 7:32 PM, Mark Hedges wrote:
> On Mon, 2 Mar 2009, Timo Sirainen wrote:
>> I was rather thinking that maybe the kernel doesn't want
>> to write core files to directories that are writable by
> Could it be that dovecot uses setuid to change permissions?
> Application would need 'prctl(PR_SET_DUMPABLE, 1);'
Interesting. I hadn't known about this before. I'll definitely look
into this and enable it if it appears to work.
Anyway, with mail_drop_priv_before_exec=yes this isn't necessary.
> I tried using a pristine 1.1.11 source build with a
> core_pattern directory that was owned by root, or by
> dovecot, or by the user, but I still didn't see a core
In my setups it core dumps to the user's home directory just fine.
Can you make any program dump core? For example:
sleep 5 &
kill -SEGV %1
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