ods-signerd: signer/src/wire/buffer.c:191: buffer_skip: assertion buffer->position + count <= buffer->limit failed

signer.adapters.output_basic is failing with an assertion.

https://jenkins.opendnssec.org/job/test-opendnssec-1.4/label=suse11-ods05/lastCompletedBuild/testReport/signer/adapters/output_basic/

Feb 7 13:32:34 suse11-ods05 ods-signerd: [worker[1]] sign zone ods
Feb 7 13:32:34 suse11-ods05 ods-signerd: [worker[1]] write zone ods
Feb 7 13:32:34 suse11-ods05 ods-signerd: [STATS] ods 1002 RR[count=3 time=0(sec)] NSEC3[count=2 time=0(sec)] RRSIG[new=3 reused=68 time=0(sec) avg=0(sig/sec)] TOTAL[time=0(sec)]
Feb 7 13:32:34 suse11-ods05 ods-signerd: [notify] notify retry 1 for zone ods sent to 127.0.0.1
Feb 7 13:32:36 suse11-ods05 ods-signerd: ../../../signer/src/wire/buffer.c:191: buffer_skip: assertion buffer->position + count <= buffer->limit failed

Feb 7 13:56:02 freebsd10-ods07 ods-signerd: [adapter] zone ods set soa serial to 1002
Feb 7 13:56:02 freebsd10-ods07 ods-signerd: [worker[2]] sign zone ods
Feb 7 13:56:02 freebsd10-ods07 ods-signerd: [worker[2]] write zone ods
Feb 7 13:56:02 freebsd10-ods07 ods-signerd: [STATS] ods 1002 RR[count=3 time=0(sec)] NSEC3[count=2 time=0(sec)] RRSIG[new=3 reused=68 time=0(sec) avg=0(sig/sec)] TOTAL[time=0(sec)]
Feb 7 13:56:02 freebsd10-ods07 ods-signerd: [notify] notify retry 1 for zone ods sent to 127.0.0.1
Feb 7 13:56:02 freebsd10-ods07 ods-signerd: ../../../signer/src/wire/buffer.c:191: buffer_skip: assertion buffer->position + count <= buffer->limit failed