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postgres/contrib/pgcrypto
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Michael Paquier aaa132a65d 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 15:59:22 +09:00
..
expected Fix corner case with 16kB-long decompression in pgcrypto, take 2 2020-07-27 15:59:22 +09:00
sql Fix corner case with 16kB-long decompression in pgcrypto, take 2 2020-07-27 15:59:22 +09:00
.gitignore Support "make check" in contrib 2011-04-25 22:27:11 +03:00
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 17:28:01 -04:00
crypt-des.c Add forgotten CHECK_FOR_INTERRUPT calls in pgcrypto's crypt() 2015-12-27 13:03:19 -03:00
crypt-gensalt.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
crypt-md5.c pgcrypto: fix memset() calls that might be optimized away 2014-04-17 12:37:53 -04:00
fortuna.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
fortuna.h pgindent run for 9.4 2014-05-06 12:12:18 -04:00
imath.c Allow btree comparison functions to return INT_MIN. 2018-10-05 16:01:30 -04:00
imath.h pgindent run for 9.4 2014-05-06 12:12:18 -04:00
internal-sha2.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
internal.c Support OpenSSL 1.1.0. 2016-09-15 14:51:42 +03:00
Makefile Add functions for dealing with PGP armor header lines to pgcrypto. 2014-10-01 16:03:39 +03:00
mbuf.c Fix typos in comments. 2017-02-06 11:34:18 +02:00
mbuf.h pgindent run for 9.4 2014-05-06 12:12:18 -04:00
md5.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
md5.h pgindent run for 9.4 2014-05-06 12:12:18 -04:00
openssl.c Fix building with LibreSSL. 2016-09-15 22:38:01 +03:00
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.sql Fix file-identification comment in contrib/pgcrypto/pgcrypto--1.2.sql. 2014-10-20 10:53:57 -04:00
pgcrypto--1.0--1.1.sql Add gen_random_uuid() to contrib/pgcrypto. 2014-01-17 16:52:06 -05:00
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 Support OpenSSL 1.1.0. 2016-09-15 14:51:42 +03:00
pgcrypto.control Add functions for dealing with PGP armor header lines to pgcrypto. 2014-10-01 16:03:39 +03:00
pgcrypto.h pgindent run for 9.4 2014-05-06 12:12:18 -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 15:59:22 +09:00
pgp-decrypt.c Fix misc typos in comments. 2019-01-23 13:46:51 +02:00
pgp-encrypt.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pgp-info.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pgp-mpi-internal.c Fix typos in comments. 2017-02-06 11:34:18 +02:00
pgp-mpi-openssl.c Fix typos in comments. 2017-02-06 11:34:18 +02:00
pgp-mpi.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pgp-pgsql.c pgindent run for 9.5 2015-05-23 21:35:49 -04:00
pgp-pubdec.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pgp-pubenc.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pgp-pubkey.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pgp-s2k.c Support OpenSSL 1.1.0. 2016-09-15 14:51:42 +03:00
pgp.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
pgp.h pgindent run for 9.5 2015-05-23 21:35:49 -04:00
px-crypt.c Support OpenSSL 1.1.0. 2016-09-15 14:51:42 +03:00
px-crypt.h pgindent run for 9.4 2014-05-06 12:12:18 -04:00
px-hmac.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
px.c Fix typo 2016-08-09 19:08:10 -04:00
px.h Support OpenSSL 1.1.0. 2016-09-15 14:51:42 +03:00
random.c Prevent Valgrind Memcheck errors around px_acquire_system_randomness(). 2015-02-02 10:00:45 -05:00
rijndael.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
rijndael.h pgindent run for 9.4 2014-05-06 12:12:18 -04:00
rijndael.tbl Remove useless whitespace at end of lines 2010-11-23 22:34:55 +02:00
sha1.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
sha1.h pgindent run for 9.4 2014-05-06 12:12:18 -04:00
sha2.c pgindent run for 9.4 2014-05-06 12:12:18 -04:00
sha2.h pgindent run for 9.4 2014-05-06 12:12:18 -04:00