Arthur Zakirov <zaar...@gmail.com> writes: > On 2019/10/13 10:26, Tomas Vondra wrote: >> So I think we need some sort of cross-check here. We certainly need to >> make NISortDictionary() check the affix value is within AffixData >> bounds, and error out when the index is non-sensical (maybe negative >> and/or exceeding nAffixData).
> I agree, I attached the patch which do this. I also added couple > asserts, tests and fixed condition in getAffixFlagSet(): > - if (curaffix > 0 && curaffix <= Conf->nAffixData) > + if (curaffix > 0 && curaffix < Conf->nAffixData) Looks reasonable to me, and we need to get something done before the upcoming releases, so I pushed this. Perhaps there's more that could be done later. regards, tom lane