On Sun, Sep 17, 2017 at 7:42 AM, Thomas Munro <thomas.mu...@enterprisedb.com> wrote: > On Sun, Sep 17, 2017 at 12:30 AM, Tomas Vondra > <tomas.von...@2ndquadrant.com> wrote: >> I've been running some regression tests under valgrind, and it seems >> select_parallel triggers some uses of uninitialized values in dshash. If >> I'm reading the reports right, it complains about hashtable->size_log2 >> being not being initialized in ensure_valid_bucket_pointers. > > Thanks. Will investigate.
Yeah, it's a bug, I simply failed to initialise it. ensure_valid_bucket_pointers() immediately fixes the problem (unless the uninitialised memory had an unlikely value), explaining why it works anyway. I'm a bit tied up today but will test and post a patch tomorrow. -- Thomas Munro http://www.enterprisedb.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
