Ian Lance Taylor <ian(at)airs(dot)com> writes:
> The code assumed that there would be a '\0' in buf after storing the
> characters in new->refname, but it did nothing to ensure that.
Good catch.
> I can't convince myself that this code does not have the possibility
> of buffer overflow.
It obviously does; the fixed-size buffer should be replaced by a
PLpgSQL_dstring, probably. I don't much like the fixed-size
fieldnames[] buffers elsewhere in that file, either.
regards, tom lane