From: | Peter Eisentraut <peter(at)eisentraut(dot)org> |
---|---|
To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
Subject: | pgsql: Fix segmentation fault in MergeInheritedAttribute() |
Date: | 2024-05-03 09:15:50 |
Message-ID: | E1s2p1B-001HDX-0b@gemulon.postgresql.org |
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Thread: | |
Lists: | pgsql-committers |
Fix segmentation fault in MergeInheritedAttribute()
While converting a pg_attribute tuple into a ColumnDef,
ColumnDef::compression remains NULL if there is no compression method
set fot the attribute. Calling strcmp() with NULL
ColumnDef::compression, when comparing compression methods of parents,
causes segmentation fault in MergeInheritedAttribute(). Skip
comparing compression methods if either of them is NULL.
Author: Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com>
Reported-by: Alexander Lakhin <exclusion(at)gmail(dot)com>
Discussion: https://www.postgresql.org/message-id/b22a6834-aacb-7b18-0424-a3f5fe889667%40gmail.com
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/8f0a97dfffc5b5f48f609fb894befcdf761dd576
Modified Files
--------------
src/backend/commands/tablecmds.c | 16 ++++++++++------
src/test/regress/expected/compression.out | 10 +++++++---
src/test/regress/sql/compression.sql | 8 +++++---
3 files changed, 22 insertions(+), 12 deletions(-)
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