[Dovecot] Dovecot crashes on certain spam messages

[Miquel van Smoorenburg]

On 2004.02.02 22:21, Karl Eklund wrote:
> Jonas Smedegaard wrote:
> 
> > Perhaps mounting the filesystem with something else than 0 as last but 
> > one item in fstab solves it?
> 
> 
> Why? The dump option seems to have something to do with a kind of backup 
> system, according to man fstab. Also, it seems to be possible to get a 
> core dump:
> 
> ~ $ cat crash.c
> main() { char *s; while(1) { *s = "a"; ++s; } }
> ~ $ gcc -o crash crash.c
> crash.c: In function `main':
> crash.c:1: warning: assignment makes integer from pointer without a cast
> ~ $ ulimit -c 50000
> ~ $ ./crash
> Segmentation fault (core dumped)
> ~ $
> -rw-------    1 ke       users       49152 Feb  2 22:19 core

50000 is a bit small for a core file. They usually are tens of megabytes,
as the internal memory and mapped files are dumped as well.

Use "ulimit -c unlimited" to enable coredumps instead.

Mike.