On 11/6/17 23:30, Michael Paquier wrote:
> On Fri, Nov 3, 2017 at 12:57 PM, Thomas Munro
> <thomas.mu...@enterprisedb.com> wrote:
>> 1.  If you set up a pg_hba.conf with a URL that lacks a base DN or
>> hostname, hba.c will segfault on startup when it tries to pstrdup a
>> null pointer.  Examples: ldapurl="ldap://localhost"; and
>> ldapurl="ldap://";.
>> 2.  If we fail to bind but have no binddn configured, we'll pass NULL
>> to ereport (snprint?) for %s, which segfaults on some libc
>> implementations.  That crash requires more effort to reproduce but you
>> can see pretty clearly a few lines above in auth.c that it can be
>> NULL.  (I'm surprised Coverity didn't complain about that.  Maybe it
>> can't see this code due to macros.)

committed and backpatched

Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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