PG Bug reporting form <noreply(at)postgresql(dot)org> writes: > I recently upgraded PostgreSQL from 11(most likely 11.5) to 12 and I use it > as website database. It started crashing quite randomly, especially during > heavier website usage. > FYI, I think this might be heavily related or even the same as > https://www.postgresql.org/message-id/16095-c3ff2e5283b8dba5%40postgresql.org
Yeah, the backtrace certainly looks the same. Are you in a position to try v12 branch tip (or a recent nightly-snapshot tarball) with your application?