[Dovecot] Dovecot 2.0 beta imap session crash report

[wenjie zheng]

System config:
RHEL 5.3, 64 bit
Dovecot 2.0 beta (changeset "2882650531e0", 10 days old) installed
with lda and lmtp

Symptom: IMAP session crashed when I tried to delete a non-exist
mailbox, e.g., Trash in my test
[root at mail4a LocalIntegrationTest]# telnet localhost 143
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE
AUTH=PLAIN] Dovecot ready.
a login testmail4a2 at dev.p4nt5.com xxxxxx
a OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE
SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS MULTIAPPEND UNSELECT
IDLE CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE
QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH QUOTA] Logged in
a delete Trash
Connection closed by foreign host.

Error log:
Jan 12 12:33:26 mail4a dovecot: imap(testmail4a2 at dev.p4nt5.com):
maildir++: root=/data/mail/de/dev.p4nt5.com/te/testmail4a2, index=,
control=, inbox=
Jan 12 12:33:31 mail4a dovecot: imap(testmail4a2 at dev.p4nt5.com):
open() failed with index file (null): Bad address
Jan 12 12:33:31 mail4a dovecot: master: service(imap): child 20867
killed with signal 11 (core dumps disabled)

How to reproduce:
Delete a non-exist mailbox after login


Thanks,
Wenjie