Postfix crashes with signal 11
I am having an issue with Postix 2.11 crashing multiple times per day with
the following errors:
Feb 13 21:28:37 mail postfix/master: warning: process
/usr/local/libexec/postfix/smtpd pid 14469 killed by signal 11
mail postfix/master: warning: /usr/local/libexec/postfix/smtpd: bad
command startup -- throttling
I've tried to fix this myself but I don't seem to be having any luck. After
looking through the maillog this error seems to occur when I receive email
from the following domains:
I'm running the following milters:
smtpd_milters = unix:/var/run/clamav/clmilter.sock
Email is still being sent/received successfully but this error is worrying.
Can someone assist me with troubleshooting this further please? I have been
through the logs but I can't find any clue as to why this is happening.
I'd be happy to answer any questions about my main.cf or master.cf file.
View this message in context: http://postfix.1071664.n5.nabble.com/Postfix-crashes-with-signal-11-tp65224.html
Sent from the Postfix Users mailing list archive at Nabble.com.
- On Thu, Feb 20, 2014 at 09:45:06PM -0500, Sahil Tandon wrote:
> > Viktor Dukhovni:I think the test is to compile Postfix against a libssl/libcrypto
> > > On Sun, Feb 16, 2014 at 07:45:24AM -0500, Wietse Venema wrote:
> > >
> > > > This looks like the same problem that Viktor referred to yesterday.
> > > > Same symptom (crash in zlib+openssl), same resolution.
> > >
> > > Perhaps Sahil can comment on what the status of this issue is in
> > > FreeBSD? It has not to my knowledge been seen in other systems.
> > I can run some tests inside a FreeBSD 10 VM (or give you a copy
> > of the VirtualBox VM). The smaller the test program, the better.
> If there is a test program, I would also be happy to try it.
from ports in which SSL compression is not disabled at compile-time
(or by default).
Then connect with an SSL client that similarly enabled SSL compression
and send a large message. With "luck" it'll crash.
The thread on Postfix-users from ~2007 was also FreeBSD with OpenSSL
Perhaps users are getting compilation flags wrong, mixing headers
from the base system with libraries from ports? Or linking with
the wrong compression library? I really don't have enough detail
to say what they are doing wrong.