Invalid pg_hba.conf => Postgres crash

From: Gaetano Mendola <mendola(at)bigfoot(dot)com>
To: "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Invalid pg_hba.conf => Postgres crash
Date: 2004-04-24 11:21:51
Message-ID: 408A4DCF.2000204@bigfoot.com
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Hi all,

running postgres 7.4.1

2 different behavior:

- Inserting the following invalid line on pg_hba.conf

host all all 127.0.0.1 trust sameuser # HANG

the future connections will hang leaving a postgres process
running

- Inserting the following line instead will crash postgres

host all 127.0.0.1 trust sameuser # CRASH

#psql kalman
psql: server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.

and in the log:

LOG: server process (PID 17656) was terminated by signal 11
LOG: terminating any other active server processes
LOG: all server processes terminated; reinitializing
LOG: database system was interrupted at 2004-04-24 12:27:37 CEST
LOG: checkpoint record is at 0/4877FD38
LOG: redo record is at 0/4877FD38; undo record is at 0/0; shutdown TRUE
LOG: next transaction ID: 195700; next OID: 5718523
LOG: database system was not properly shut down; automatic recovery in
progress
LOG: record with zero length at 0/4877FD78
LOG: redo is not required
LOG: database system is ready

Regards
Gaetano Mendola

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