Version: Dovecot v1.1.rc3 OS: CentOS 5 running in OpenVZ CPU: x86_64

Was running fine with maildir and decided to get dbox a try. Test user created with a dbox mailstore backend and when a client logs in that tries to run a getquotaroot imap command the process SIGSEGV's.

Have been able to narrow it down to dbox crashing against dict quota as well as dirsize. Maildir works just fine.

example telnet session:

... 5 getquota *

5 NO Quota root doesn't exist.

6 getquotaroot inbox

Connection closed by foreign host.

Got the backtrace from a coredump as well:

Program terminated with signal 11, Segmentation fault.

#0 0x0000000000463d99 in mail_index_get_header_ext (view=0x0, ext_id=2, data_r=0x7fff8ad72140,

data_size_r=0x7fff8ad72138) at mail-index-view.c:550

550 view->v.get_header_ext(view, NULL, ext_id, data_r, data_size_r);

(gdb) bt full

#0 0x0000000000463d99 in mail_index_get_header_ext (view=0x0, ext_id=2, data_r=0x7fff8ad72140,

data_size_r=0x7fff8ad72138) at mail-index-view.c:550

No locals.

#1 0x000000000044604c in dbox_sync_want_flush_dirty (mbox=0x2aaaaaae5cc8, close_flush_dirty_flags=true)

at dbox-sync.c:262

    hdr = <value optimized out>

    data = <value optimized out>

    data_size = <value optimized out>

#2 0x0000000000446101 in dbox_sync_begin (mbox=0x0, ctx_r=0x7fff8ad72278, close_flush_dirty_flags=64, force=64)

at dbox-sync.c:297

    storage = (struct mail_storage *) 0x2aaaaaadb878

    ctx = <value optimized out>

    sync_flags = <value optimized out>

    ret = <value optimized out>

    rebuild = <value optimized out>

#3 0x00000000004468c8 in dbox_sync (mbox=0x0, close_flush_dirty_flags=64) at dbox-sync.c:396

    sync_ctx = (struct dbox_sync_context *) 0x2aaaaaae5cc8

#4 0x000000000043f0c4 in dbox_storage_mailbox_close (box=0x0) at dbox-storage.c:312

    mbox = <value optimized out>

    ret = <value optimized out>

#5 0x00002aaaab62df50 in fts_mailbox_close (box=0x2aaaaaae5cc8) at fts-storage.c:65

    fbox = (struct fts_mailbox *) 0x2aaaaaae8f90

    ret = <value optimized out>

#6 0x00002aaaab42a5ed in cmd_getquotaroot (cmd=0x2aaaaaadc338) at imap-quota-plugin.c:98

    storage = <value optimized out>

    box = (struct mailbox *) 0x0

    iter = (struct quota_root_iter *) 0x0

    root = <value optimized out>

    orig_mailbox = 0x2aaaaaae0518 "INBOX"

    mailbox = 0x49a6ca "INBOX"

    str = (string_t *) 0x2aaaaaacf1c0

#7 0x000000000041ab18 in client_command_input (cmd=0x0) at client.c:546

    client = (struct client *) 0x2aaaaaadbf50

    command = <value optimized out>

    __PRETTY_FUNCTION__ = "client_command_input"

#8 0x000000000041abb9 in client_command_input (cmd=0x2aaaaaadc338) at client.c:595

    client = (struct client *) 0x2aaaaaadbf50

    command = (struct command *) 0x7fff8ad72140

    __PRETTY_FUNCTION__ = "client_command_input"

#9 0x000000000041b32f in client_handle_input (client=0x2aaaaaadbf50) at client.c:636

    _data_stack_cur_id = 3

    ret = <value optimized out>

   remove_io = <value optimized out>

    handled_commands = false

#10 0x000000000041b54f in client_input (client=0x2aaaaaadbf50) at client.c:691

    cmd = <value optimized out>

    output = (struct ostream *) 0x2aaaaaadc1e8

    bytes = 27

    __PRETTY_FUNCTION__ = "client_input"

#11 0x0000000000486a38 in io_loop_handler_run (ioloop=<value optimized out>) at ioloop-epoll.c:201

    ctx = <value optimized out>

    event = (const struct epoll_event *) 0x2aaaaaad7dc0

    list = (struct io_list *) 0x2aaaaaad8780

    io = (struct io_file *) 0x2aaaaaadc280

    tv = {tv_sec = 1799, tv_usec = 999598}

    events_count = <value optimized out>

    t_id = 2

    msecs = <value optimized out>

    ret = 1

    i = 0

    call = <value optimized out>

#12 0x0000000000485d1d in io_loop_run (ioloop=0x2aaaaaad7b60) at ioloop.c:301

No locals.

#13 0x0000000000422871 in main (argc=<value optimized out>, argv=0x0, envp=0x7fff8ad72578) at main.c:293

No locals.

Let me know if there's any other info you need.