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Re: Exim4 problems

From: Svante Signell
Subject: Re: Exim4 problems
Date: Sun, 15 May 2011 23:20:52 +0200

On Sun, 2011-05-15 at 16:45 +0200, Thomas Schwinge wrote:

> From this, and your later email, I would guess (I have not looked at the
> source code) that debian/minimaltest is a shell script (test harness),
> and runs its tests against the Exim binary
> build-tree/build-exim4-daemon-light/exim, the failing one with options
> ``-C .../exim4.conf -bV''.  You can put ``set -v; set -x'' statements

Yes I found out the commandline with set -x

> into debian/minimaltest to have it print during execution what it's
> exactly doing (see ``info bash'', or ``help set'').  Can you reproduce
> the segfault by manually running
> ``build-tree/build-exim4-daemon-light/exim -C .../exim4.conf -bV''?  If
> yes, then run that one through GDB.

Yes, I can reproduce with:
-C /home/srs/DEBs/exim/exim4-4.76/test/eximtest/exim4.conf -bV

Exim version 4.76 #1 built 15-May-2011 00:09:25
Copyright (c) University of Cambridge, 1995 - 2007
Berkeley DB: Berkeley DB 5.1.25: (January 28, 2011)
Support for: crypteq iconv() IPv6 GnuTLS move_frozen_messages DKIM
Lookups (built-in): lsearch wildlsearch nwildlsearch iplsearch cdb dbm
dbmnz dnsdb dsearch nis nis0 passwd
Authenticators: cram_md5 plaintext
Routers: accept dnslookup ipliteral manualroute queryprogram redirect
Transports: appendfile/maildir/mailstore autoreply lmtp pipe smtp
Fixed never_users: 0
Size of off_t: 8
2011-05-15 23:15:06 exim user lost privilege for using -C option
Segmentation fault

And with gdb the only output I get is (and no stack)
gdb build-tree/build-exim4-daemon-light/exim

Cannot access memory at address 0xffff548d

(I get this by just requesting: run from the gdb prompt, no file needed)

gdb bug?

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