On Tue, 2009-10-27 at 09:48 +0200, Nikita Koshikov wrote: > I have one user, which have a lot of folders (not it is 414 without INBOX). > When he tries to create one more folder with random name - the folder > successfully created, but LIST command invokes out of memory to imap process. > > From the logs: > Oct 26 15:26:38 IMAP(gozhd...@domain.com): Panic: data stack: Out of memory > when allocating 268435472 bytes > Oct 26 15:26:38 IMAP(gozhd...@domain.com): Error: *** glibc detected *** > imap: double free or corruption (!prev): 0x0812ba00 ***
This is bad. Can you reproduce it easily? Could you cause this crash
under valgrind? For example:
protocol imap {
mail_executable = /usr/local/bin/imap.sh
}
and /usr/local/bin/imap.sh:
#!/bin/sh
if [ $USER = "gozhd...@domain.com" ]; then
exec /usr/bin/valgrind /usr/libexec/dovecot/imap
else
exec /usr/libexec/dovecot/imap
fi
Valgrind will hopefully then log to Dovecot's log what exactly is the
problem.
It's anyway related to one of your virtual maiboxes. I suppose you have
a virtual mailbox that includes messages from all real mailboxes?
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