Re: ERROR: invalid memory alloc request size 18446744073709551613

From: "Peter J(dot) Holzer" <hjp-pgsql(at)hjp(dot)at>
To: pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Re: ERROR: invalid memory alloc request size 18446744073709551613
Date: 2020-06-22 15:33:15
Message-ID: 20200622153315.GA25644@hjp.at
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On 2020-06-22 11:13:33 -0300, Flaris Feller wrote:
> When using Postgres 9.6.15 on "CentOS Linux release 7.5.1804 (Core)" on Intel
> x86_64 I noticed "invalid memory alloc request size" error at PostgreSQL logs.
> This is the postgresq.log file's fragment of log where the error was found.
>
> 2020-06-22 00:29:18 BRT [16987]: [1-1] db=bxs,user=postgres ERRO:  invalid
> memory alloc request size 18446744073709551613

That's 2**64 - 3. So probably the size of some object is (erroneously)
computed as -3 bytes.

> 2020-06-22 00:29:18 BRT [16987]: [2-1] db=bxs,user=postgres COMANDO:  COPY
> public.cham_chamada....

Does this always happen in conjunction with a COPY command or sometimes
with other commands, too? If the former, are you copying into the
database or out of it?

hp

--
_ | Peter J. Holzer | Story must make more sense than reality.
|_|_) | |
| | | hjp(at)hjp(dot)at | -- Charles Stross, "Creative writing
__/ | http://www.hjp.at/ | challenge!"

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