Pavel Stehule <pavel.stehule@xxxxxxxxx> writes: > pá 8. 1. 2021 v 18:48 odesílatel Jack Orenstein <jao@xxxxxxxxxxxx> napsal: >> I'm interested in advice on how to go about hunting down my problem. >> Something along the lines of a debugging malloc, or valgrind, for Postgres. > The basic feature is using postgres compiled with --enable-cassert flag. It > does lot of checks of memory corruptions Yeah, you should absolutely use --enable-cassert when working on C code. If you need valgrind, there's advice about how to run it at https://wiki.postgresql.org/wiki/Valgrind regards, tom lane