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postgresql/src/backend
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Tom Lane 8388cae552 Avoid null pointer dereference crash after OOM in Snowball stemmers. 
Absorb upstream bug fix (their commit
e322673a841d9abd69994ae8cd20e191090b6ef4), which prevents a null
pointer dereference crash if SN_create_env() gets a malloc failure
at just the wrong point.

Thanks to Maksim Korotkov for discovering the null-pointer
bug and submitting the fix to upstream snowball.

Reported-by: Maksim Korotkov <m.korotkov@postgrespro.ru>
Author: Maksim Korotkov <m.korotkov@postgrespro.ru>
Discussion: https://postgr.es/m/1d1a46-67ab1000-21-80c451@83151435
Backpatch-through: 13
2025-02-18 21:24:12 -05:00
..
access At update of non-LP_NORMAL TID, fail instead of corrupting page header. 2025-01-25 11:28:19 -08:00
bootstrap Rethink definition of pg_attribute.attcompression. 2021-05-27 13:24:27 -04:00
catalog Avoid integer overflow while testing wal_skip_threshold condition. 2025-01-30 15:36:07 -05:00
commands Fix MakeTransitionCaptureState() to return a consistent result 2025-02-13 16:31:11 +09:00
executor Fix assertion on dereferenced object 2025-02-14 11:50:56 +01:00
foreign Restrict accesses to non-system views and foreign tables during pg_dump. 2024-08-05 06:05:23 -07:00
jit Fix NULLIF()'s handling of read-write expanded objects. 2024-11-25 18:09:10 -05:00
lib Accommodate very large dshash tables. 2024-12-17 15:24:45 -06:00
libpq Fix HBA option count 2025-01-12 23:44:39 +01:00
main Fix elog(FATAL) before PostmasterMain() or just after fork(). 2024-12-10 13:52:02 -08:00
nodes Remove inappropriate raw_expression_tree_walker() code 2023-06-29 10:35:53 +02:00
optimizer Handle default NULL insertion a little better. 2025-01-29 15:31:55 -05:00
parser Handle default NULL insertion a little better. 2025-01-29 15:31:55 -05:00
partitioning Fix creation of partition descriptor during concurrent detach+drop 2024-08-12 18:17:56 -04:00
po Translation updates 2025-02-17 17:51:30 +01:00
port Check for STATUS_DELETE_PENDING on Windows. 2024-11-08 09:34:00 +10:30
postmaster Don't ask for bug reports about pthread_is_threaded_np() != 0. 2025-01-23 14:23:39 -05:00
regex Fix recently-exposed portability issue in regex optimization. 2024-11-17 14:14:06 -05:00
replication Fix memory leak in pgoutput with relation attribute map 2025-01-08 08:47:19 +09:00
rewrite Handle default NULL insertion a little better. 2025-01-29 15:31:55 -05:00
snowball Avoid null pointer dereference crash after OOM in Snowball stemmers. 2025-02-18 21:24:12 -05:00
statistics Fix incorrectly reported stats kind in "can't happen" ERROR 2024-03-05 16:18:42 +13:00
storage Fix unsafe access to BufferDescriptors 2025-02-19 11:14:13 +09:00
tcop Simplify executor's determination of whether to use parallelism. 2024-12-09 14:38:19 -05:00
tsearch Limit to_tsvector_byid's initial array allocation to something sane. 2023-09-25 11:50:28 -04:00
utils Mention jsonlog in description of logging_collector in GUC table 2025-02-02 11:31:32 +09:00
.gitignore Add .gitignore entries for AIX-specific intermediate build artifacts. 2015-07-08 20:44:22 -04:00
common.mk Remove PARTIAL_LINKING build mode. 2018-03-30 17:33:04 -07:00
Makefile Use sort_template.h for qsort_tuple() and qsort_ssup(). 2021-03-03 17:02:32 +13:00
nls.mk Translation updates 2021-09-20 16:23:13 +02:00