Horton

Fix an uninitialized access in hash_xlog_squeeze_page().

Amit Kapila <akapila@postgresql.org>

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Commit: f66fcc5cd616da8d81a2d2f9b80a9f080796f4b6
Author: Amit Kapila <akapila@postgresql.org>
Date: 2023-12-01T04:52:13Z
Releases: 17.0 
Fix an uninitialized access in hash_xlog_squeeze_page().

Commit 861f86beea changed hash_xlog_squeeze_page() to start reading
the write buffer conditionally but forgot to initialize it leading to an
uninitialized access.

Reported-by: Alexander Lakhin
Author: Hayato Kuroda
Reviewed-by: Alexander Lakhin, Amit Kapila
Discussion: http://postgr.es/m/62ed1a9f-746a-8e86-904b-51b9b806a1d9@gmail.com

Files

PathChange+/−
src/backend/access/hash/hash_xlog.c modified +1 −1
src/test/regress/expected/hash_index.out modified +14 −0
src/test/regress/sql/hash_index.sql modified +17 −0

Discussion