Re: [sqlsmith] Crash on GUC serialization

Michael Paquier writes:

> [2. text/plain; fix-guc-string-eval.patch]

I'm afraid taking care of the length computation is not sufficient.
ISTM like it'll still try to serialize the NULL pointer later on in
serialize_variable:

,----[ guc.c:9108 ]
| case PGC_STRING:
|     {
|     struct config_string *conf = (struct config_string *) gconf;
|     do_serialize(destptr, maxbytes, "%s", *conf->variable);
`----