| From: | Ranier Vilela <ranier(dot)vf(at)gmail(dot)com> |
|---|---|
| To: | Peter Smith <smithpb2250(at)gmail(dot)com> |
| Cc: | Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Fix uninitialized copy_data var (src/backend/commands/subscriptioncmds.c) |
| Date: | 2021-06-28 11:05:37 |
| Message-ID: | CAEudQAqSbTEyGo_nGRpi1Uvq8WaRKvgPiEz6rCK6mg2W9fqQuw@mail.gmail.com |
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| Lists: | pgsql-hackers |
Em dom., 27 de jun. de 2021 às 21:18, Peter Smith <smithpb2250(at)gmail(dot)com>
escreveu:
> On Fri, Jun 25, 2021 at 11:55 PM Ranier Vilela <ranier(dot)vf(at)gmail(dot)com>
> wrote:
> >
> >
> >
> https://github.com/postgres/postgres/commit/3af10943ce21450e299b3915b9cad47cd90369e9
> > fixes some issues with subscriptioncmds.c, but IMHO still lack this
> issue.
> >
>
> I have not tested this, and gcc gave no warnings about it, but just by
> visual code inspection I do agree with you that this looks like a
> problem, even in the latest code.
>
> IIUC for the case ALTER_SUBSCRIPTION_DROP_PUBLICATION it looks like
> the uninitialized copy_data local stack var would remain uninitialized
> (undefined) still at the time it is passed at
> AlterSubscription_refresh(sub, copy_data);
>
Thanks Peter, for the review.
regards,
Ranier Vilela
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