Horton

Re: BUG #16476: pgp_sym_encrypt_bytea with compress-level=6 : Wrong key or corrupt data

Michael Paquier <michael@paquier.xyz>

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From: Michael Paquier <michael@paquier.xyz>
To: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Cc: tgl@sss.pgh.pa.us, jeff.janes@gmail.com, frank.gagnepain@intm.fr, pgsql-bugs@lists.postgresql.org
Date: 2020-06-24T07:59:21Z
Lists: pgsql-bugs 
On Fri, Jun 12, 2020 at 02:54:12PM +0900, Kyotaro Horiguchi wrote:
> Agrred.  As far as I found, there is another point where a stream ends
> with an empty-packet at 16318 bytes, but he stream is not a compressed
> data stream.
> 
> In the attached, generates a source bytes using random(). To make sure
> to stabilize the result, it does setseed(0) just before.  One concern
> of the test is there's not means to find if the test gets stale.
> Concretely if somehow the data length to cause the issue moved, the
> check would silently get no longer effective.

FYI, I have begun looking at this report, and I am reviewing the
proposed patch.
--
Michael

Commits

  1. Fix corner case with 16kB-long decompression in pgcrypto, take 2

  2. Fix ancient violation of zlib's API spec.

  3. Revert "Fix corner case with PGP decompression in pgcrypto"

  4. Fix corner case with PGP decompression in pgcrypto