| From: | Richard Guo <guofenglinux(at)gmail(dot)com> |
|---|---|
| To: | Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: bogus assert in logicalmsg_desc |
| Date: | 2022-08-15 01:20:28 |
| Message-ID: | CAMbWs489R=QhjhaJLdR2R31UHKox9iviHHQ+ki60cetVjjERkg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Aug 15, 2022 at 12:17 AM Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>
wrote:
> So prefix_size includes the null byte, so the assert points out at the
> first payload byte. And of course, the check should be "==" because we
> expect the byte to be \0, not the other way around.
Yes, indeed. There is even a comment emphasizing the trailing null byte
in LogLogicalMessage.
/* trailing zero is critical; see logicalmsg_desc */
>
> Attached is a patch addressing this. This was added in 14, so we should
> backpatch to that version.
>
+1 for the patch.
Thanks
Richard
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