Horton

amcheck: Add additional TOAST pointer checks.

Robert Haas <rhaas@postgresql.org>

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Commit: bd807be6935929bdefe74d1258ca08048f0aafa3
Author: Robert Haas <rhaas@postgresql.org>
Date: 2021-11-05T13:24:25Z
Releases: 15.0 
amcheck: Add additional TOAST pointer checks.

Expand the checks of toasted attributes to complain if the rawsize is
overlarge.  For compressed attributes, also complain if compression
appears to have expanded the attribute or if the compression method is
invalid.

Mark Dilger, reviewed by Justin Pryzby, Alexander Alekseev, Heikki
Linnakangas, Greg Stark, and me.

Discussion: http://postgr.es/m/8E42250D-586A-4A27-B317-8B062C3816A8@enterprisedb.com

Files

PathChange+/−
contrib/amcheck/verify_heapam.c modified +46 −0
src/bin/pg_amcheck/t/004_verify_heapam.pl modified +21 −3

Discussion