Steve Singer <ssinger(at)ca(dot)afilias(dot)info> writes:
> I've tracked the issue down to collectSecLabels in pg_dump.c
> SELECT label, provider, classoid, objoid, objsbid FROM
> pg_catalog.pg_seclabel;
> returns 0 rows.
> The code in collectSecLabels() is not prepared to deal with a zero row
> result and tries to malloc 0 bytes.
pg_seclabel is almost always empty, so I'm not convinced that you've
identified your problem correctly.
regards, tom lane