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Re: BUG #18907: SSL error: bad length failure during transfer data in pipeline mode with libpq

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Jacob Champion <jacob.champion@enterprisedb.com>
Cc: BATBAATAR Dorjpalam <htgn.dbat.95@gmail.com>, pgsql-bugs@lists.postgresql.org
Date: 2025-06-10T00:40:38Z
Lists: pgsql-bugs

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I wrote:
> Indeed, it looks like we'd better disable the round-down for GSSAPI
> too, because pg_GSS_write has exactly this same API requirement that
> caller has to pass at least as much data as last time.

So in short, I propose the attached patch.  I chose to disable the
round-down behavior for all TCP connections, including ones that
use neither SSL nor GSSAPI.  I'm not sure if it's worth worrying
too much about that case.

			regards, tom lane

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Don't reduce output request size on non-Unix-socket connections.

  2. Fix timing-dependent failure in GSSAPI data transmission.