Wierd MD5-authentication crash on Solaris 8
Severity: Core dump
Frequency: Unusual
PostgreSQL Version: 7.4.0 release
Platform:
Solaris 8
gmake 3.80
gcc 3.23
440mhz UltraSparc III
Netra T1/105
Reproducability: 100% on this machine and an identical one.
Not yet tested on other machines running Solaris 8.
Summary: attempting to connect via MD5 authentication as a user
who has no password triggers a core dump of Postmaster.
Steps to Reproduce:
1) set localhost authentication to MD5
2) set up a new user without setting a password.
3) attempt to connect as that user.
Core dump file is available. Strace can also be done if desired.
--
-Josh Berkus
Aglio Database Solutions
San Francisco
Josh Berkus <josh@agliodbs.com> writes:
Summary: attempting to connect via MD5 authentication as a user
who has no password triggers a core dump of Postmaster.
[...]
Core dump file is available.
Can you post a stacktrace? (Building the postmaster with debugging
symbols first would be nice.)
-Neil
Neil,
Can you post a stacktrace? (Building the postmaster with debugging
symbols first would be nice.)
I'll see what I can do. A regular strace should be easy.
--
Josh Berkus
Aglio Database Solutions
San Francisco
Josh Berkus <josh@agliodbs.com> writes:
Solaris 8
Summary: attempting to connect via MD5 authentication as a user
who has no password triggers a core dump of Postmaster.
Is this the bsearch-of-no-elements problem recently discussed?
(If you have other users who do have passwords, then it's not...)
regards, tom lane
Tom,
Is this the bsearch-of-no-elements problem recently discussed?
(If you have other users who do have passwords, then it's not...)
Actually, it could be. Is it patched in the current source code?
--
Josh Berkus
Aglio Database Solutions
San Francisco
Josh Berkus <josh@agliodbs.com> writes:
Is this the bsearch-of-no-elements problem recently discussed?
Actually, it could be. Is it patched in the current source code?
Yeah, see
http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/libpq/hba.c
regards, tom lane