Hi all,

"So it looks a bit like a libverto 32bit issue"; any news or progress on this? Bugzilla?


Op 09-06-16 om 18:51 schreef Sumit Bose:
On Thu, Jun 09, 2016 at 08:42:59AM -0400, Nathaniel McCallum wrote:
On Thu, 2016-06-09 at 10:46 +0200, Sumit Bose wrote:
On Thu, Jun 09, 2016 at 08:16:13AM +0200, Winfried de Heiden wrote:
Hi all,

I can install libvert-libev but removing libverto-tevent will
remove 123
dependencies also. (wget, tomcat and much more...)

Hence, I installed libverto-libev, but dit not remove libverto-
tevent to give
it a try. After ipactl restart still the same problem:
fyi, I think I can reproduce the issue on 32bit Fedora. I tried
libverto-libev as well but I removed libverto-tevent after installing
libverto-libev with 'rpm -e --nodeps ....' to make sure libverto has
other chance.

So it looks a bit like a libverto 32bit issue. I used
libverto-0.2.6-4.fc22. Since I knew that is was working before on
I tried libverto-0.2.5 and libverto-0.2.4 as well with no lock.

Nathaniel, do you have any suggestions what to check with gdb?
It may not be a libverto issue at all. Just to summarize, krb5kdc sends
the otp request to ipa-otpd using RADIUS-over-UNIX-socket.

It appears that ipa-otpd receives the request and sends the appropriate
response. However, krb5kdc never appears to receive the request and
times out. Once it times out, it closes the socket and ipa-otpd exits.

The question is: why?

This could be a bug in krb5kdc, libkrad or libverto. Does the event
actually fire from libverto? Does libkrad process it correctly? Does
krb5kdc process it correctly?

There are lots of places to attach gdb. I would probably start here:
It looks like the 3rd argument of recv(), the buffer length, becomes
negative aka very big in on_io_read()

     i = recv(verto_get_fd(rr->io), rr->buffer.data + rr->buffer.length,
              pktlen - rr->buffer.length, 0);

because pktlen is 4 and rr->buffer.length is 16 on my 32bit system. I
wonder if pktlen isn't sufficient here because it already is the result
of 'len - buffer->length' which is calculated in
krad_packet_bytes_needed() ?


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