| From: | Alexander Korotkov <akorotkov(at)postgresql(dot)org> |
|---|---|
| To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
| Subject: | pgsql: Validate ltree siglen GiST option to be int-aligned |
| Date: | 2023-04-23 11:31:39 |
| Message-ID: | E1pqXwQ-004UcE-2t@gemulon.postgresql.org |
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| Lists: | pgsql-committers |
Validate ltree siglen GiST option to be int-aligned
Unaligned siglen could lead to an unaligned access to subsequent key fields.
Backpatch to 13, where opclass options were introduced.
Reported-by: Alexander Lakhin
Bug: 17847
Discussion: https://postgr.es/m/17847-171232970bea406b%40postgresql.org
Reviewed-by: Tom Lane, Pavel Borisov, Alexander Lakhin
Backpatch-through: 13
Branch
------
REL_13_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/48c6825d0ec8a5021e95aea666944e9345ceb77d
Modified Files
--------------
contrib/ltree/expected/ltree.out | 9 +++++++--
contrib/ltree/ltree_gist.c | 17 ++++++++++++++++-
contrib/ltree/sql/ltree.sql | 2 ++
doc/src/sgml/ltree.sgml | 3 ++-
4 files changed, 27 insertions(+), 4 deletions(-)
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