On Wed, Jul 13, 2016 at 01:31:02PM -0600, gavin_rema...@selinc.com wrote: > We are using OVS v2.4.0 and seem to have discovered a memory allocation > issue. > > When we have more than 41 meters (each with a single Band) defined, we > regularly get corruption in meters 42 and beyond within a Meter > Configuration Response to a request with meter_id=ALL. > > ofpmp_init() is used as part of the message handling in ofproto.c > (handle_meter_request). It calls ofpraw_alloc_stats_reply, allocating > 1000 "tail" bytes. Since each Meter requires 24 bytes in the message and > 24 * 41 = 984, this seems to be the issue we are encountering. It looks > like Meters 42 and beyond occupy memory that we do not own. > > Is this function being used properly with a Meter Configuration request? > Why the hard-coded 1000 bytes of space? > > We need to fix this ASAP. We can do so, but an official patch would be > better.
This was fixed in OVS 2.4.1. Please upgrade. _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
