[Dovecot] Segfault in in rc7 when index does not exists

[Marco Nenciarini]

On Fri, Oct 13, 2006 at 09:40:05PM +0300, Timo Sirainen wrote:
> On Fri, 2006-10-13 at 19:06 +0200, Marco Nenciarini wrote:
> > Program received signal SIGSEGV, Segmentation fault.
> > mail_index_write_base_header (index=0x80e2a28, hdr=0xaff66028) at mail-index.c:1313
> > 1313                    memcpy(index->map->mmap_base, hdr, hdr_size);
> > (gdb) bt
> > #0  mail_index_write_base_header (index=0x80e2a28, hdr=0xaff66028) at mail-index.c:1313
> > #1  0x080902eb in mail_index_mark_corrupted (index=0x80e2a28) at mail-index.c:1839
> > #2  0x0809ca30 in mail_transaction_log_file_create (log=0x80e3928, path=0x80d2130 "/dovecot.index.log", dev=0, ino=0, file_size=0) at mail-transaction-log.c:575
> > #3  0x0809e138 in mail_transaction_log_file_open_or_create (log=0x80e3928, path=0x80d2130 "/dovecot.index.log") at mail-transaction-log.c:803
> 
> Well, I'm not sure how you managed to get that exact crash, but I've
> fixed it anyway.

With the help of the attached script (used in mail_executable under
imap section)

> 
> > MAIL="maildir:/"
> 
> Your problem however is this. You're telling Dovecot to open maildir
> from root directory. Change "default_mail_env = maildir:%h" or
> something.
> 

Cool, it's works :)

Bye

-- 
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|    Marco Nenciarini    | Debian/GNU Linux Developer - Plug Member |
| mnencia at prato.linux.it | http://www.prato.linux.it/~mnencia       |
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#!/bin/sh

# envdump - make dump of environment before call a program

# Copyright (c) 2006 Marco Nenciarini <mnencia at prato.linux.it>

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

testfile=/tmp/environment-$$.dump

# Set to true to get the dump of stdin and stdout
dump_stdinout=false

echo -e "#!/bin/sh" > $testfile
echo -en "#\n#Id: " >> $testfile
/usr/bin/id >> $testfile

echo -e "\n#Environment: " >> $testfile
export >> $testfile

echo -e "\n\nexec $@" >> $testfile 

if [ "$dump_stdinout" = "true" ]; then
   /usr/bin/tee ${testfile}.in | $@ | /usr/bin/tee ${testfile}.out
else
   exec $@
fi
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