| From: | Peter Geoghegan <pg(at)bowt(dot)ie> |
|---|---|
| To: | Grigory Smolkin <g(dot)smolkin(at)postgrespro(dot)ru> |
| Cc: | PostgreSQL mailing lists <pgsql-bugs(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: amcheck assert failure |
| Date: | 2019-04-22 18:05:36 |
| Message-ID: | CAH2-Wz=ck0m4gZYp9JNX0zXiqiHcJWAPS9B_+Rmqs1WWtGkezg@mail.gmail.com |
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| Lists: | pgsql-bugs |
On Mon, Apr 22, 2019 at 9:03 AM Grigory Smolkin
<g(dot)smolkin(at)postgrespro(dot)ru> wrote:
> Wow, that` neat, thank you for a dump instruction!
> Attached.
This looks like it was deliberately corrupted. Line pointer 255 is an
LP_REDIRECT, line pointer, while line pointer 256 and 257 are
LP_UNUSED, which should never happen.
The ascii string "blablahblah" has been overwritten at byte offset
1040 (from the beginning of the page). I would take a closer look at
what those tests do. Either the problem is in the tests, or your
database is haunted, which is outside my area of expertise.
--
Peter Geoghegan
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