On Sun, Apr 1, 2012 at 12:31 PM, Heikki Linnakangas <heikki.linnakan...@enterprisedb.com> wrote: > Currently, only regular backends set the stack base pointer, for the > check_stack_depth() mechanism, in PostgresMain. We don't have stack overrun > protection in auxiliary processes. However, autovacuum workers at least can > run arbitrary user code, and if that overruns the stack, you get a segfault.
The *Main functions for the various auxiliary processes seem to have a bad case of cut-and-paste-itis. Consolidating some of that logic would help to avoid bugs of this type. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
