[Dovecot] Dovecot 2.0 beta imap session crash report

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@mail4a LocalIntegrationTest]# telnet localhost 143

• OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE AUTH=PLAIN] Dovecot ready. a login testmail4a2@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@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@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