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postgresql/contrib/pgcrypto
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Michael Paquier 5bd087eb5d Fix corner case with 16kB-long decompression in pgcrypto, take 2 
A compressed stream may end with an empty packet.  In this case
decompression finishes before reading the empty packet and the
remaining stream packet causes a failure in reading the following
data.  This commit makes sure to consume such extra data, avoiding a
failure when decompression the data.  This corner case was reproducible
easily with a data length of 16kB, and existed since e94dd6a.  A cheap
regression test is added to cover this case based on a random,
incompressible string.

The first attempt of this patch has allowed to find an older failure
within the compression logic of pgcrypto, fixed by b9b6105.  This
involved SLES 15 with z390 where a custom flavor of libz gets used.
Bonus thanks to Mark Wong for providing access to the specific
environment.

Reported-by: Frank Gagnepain
Author: Kyotaro Horiguchi, Michael Paquier
Reviewed-by: Tom Lane
Discussion: https://postgr.es/m/16476-692ef7b84e5fb893@postgresql.org
Backpatch-through: 9.5
2020-07-27 15:58:59 +09:00
..
expected Fix corner case with 16kB-long decompression in pgcrypto, take 2 2020-07-27 15:58:59 +09:00
sql Fix corner case with 16kB-long decompression in pgcrypto, take 2 2020-07-27 15:58:59 +09:00
.gitignore Support SCRAM-SHA-256 authentication (RFC 5802 and 7677). 2017-03-07 14:25:40 +02:00
blf.c Remove cvs keywords from all files. 2010-09-20 22:08:53 +02:00
blf.h Remove cvs keywords from all files. 2010-09-20 22:08:53 +02:00
crypt-blowfish.c Get rid of trailing semicolons in C macro definitions. 2020-05-01 17:28:00 -04:00
crypt-des.c Fix many typos and inconsistencies 2019-07-01 10:00:23 +09:00
crypt-gensalt.c Phase 3 of pgindent updates. 2017-06-21 15:35:54 -04:00
crypt-md5.c pgcrypto: fix memset() calls that might be optimized away 2014-04-17 12:37:53 -04:00
imath.c Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
imath.h Initial pgindent run for v12. 2019-05-22 12:55:34 -04:00
internal-sha2.c Refactor SHA2 functions and move them to src/common/. 2017-03-07 14:23:49 +02:00
internal.c Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
Makefile Import changes from IMath versions (1.3, 1.29]. 2019-02-16 13:12:28 -08:00
mbuf.c Fix typos in comments. 2017-02-06 11:33:58 +02:00
mbuf.h Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
md5.c Resolve one unconstify use 2019-02-14 17:00:25 +01:00
md5.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
openssl.c Make capitalization of term "OpenSSL" more consistent 2018-06-29 09:45:44 +09:00
pgcrypto--1.0--1.1.sql Add gen_random_uuid() to contrib/pgcrypto. 2014-01-17 16:52:06 -05:00
pgcrypto--1.1--1.2.sql Add functions for dealing with PGP armor header lines to pgcrypto. 2014-10-01 16:03:39 +03:00
pgcrypto--1.2--1.3.sql Update pgcrypto extension for parallel query. 2016-06-09 17:18:14 -04:00
pgcrypto--1.3.sql Minor fixes in contrib installation scripts. 2016-06-14 10:47:06 -04:00
pgcrypto--unpackaged--1.0.sql Fix typos in some error messages thrown by extension scripts when fed to psql. 2014-08-25 18:30:37 +02:00
pgcrypto.c Remove configure switch --disable-strong-random 2019-01-01 20:05:51 +09:00
pgcrypto.control Update pgcrypto extension for parallel query. 2016-06-09 17:18:14 -04:00
pgcrypto.h Remove unnecessary prototypes 2016-09-30 14:04:16 -04:00
pgp-armor.c Rename base64 routines to avoid conflict with Solaris built-in functions. 2018-02-28 18:33:45 -05:00
pgp-cfb.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pgp-compress.c Fix corner case with 16kB-long decompression in pgcrypto, take 2 2020-07-27 15:58:59 +09:00
pgp-decrypt.c Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
pgp-encrypt.c Remove configure switch --disable-strong-random 2019-01-01 20:05:51 +09:00
pgp-info.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pgp-mpi-internal.c Remove configure switch --disable-strong-random 2019-01-01 20:05:51 +09:00
pgp-mpi-openssl.c Fix typos in comments. 2017-02-06 11:33:58 +02:00
pgp-mpi.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pgp-pgsql.c Phase 3 of pgindent updates. 2017-06-21 15:35:54 -04:00
pgp-pubdec.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pgp-pubenc.c Remove configure switch --disable-strong-random 2019-01-01 20:05:51 +09:00
pgp-pubkey.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pgp-s2k.c Remove configure switch --disable-strong-random 2019-01-01 20:05:51 +09:00
pgp.c pgcrypto: support changing S2K iteration count 2016-03-09 14:31:07 -03:00
pgp.h Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
px-crypt.c Remove configure switch --disable-strong-random 2019-01-01 20:05:51 +09:00
px-crypt.h Phase 2 pgindent run for v12. 2019-05-22 13:04:48 -04:00
px-hmac.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
px.c Remove configure switch --disable-strong-random 2019-01-01 20:05:51 +09:00
px.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
rijndael.c Fix a boatload of typos in C comments. 2018-04-01 15:01:28 -04:00
rijndael.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
rijndael.tbl Remove useless whitespace at end of lines 2010-11-23 22:34:55 +02:00
sha1.c Initial pgindent run with pg_bsd_indent version 2.0. 2017-06-21 14:39:04 -04:00
sha1.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00