[Dovecot] AUTOREPLY Dovecot 2.0.5 crash when It cannot remove maildir

[hagedorn at mediaciety.de]

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Hauke Hagedorn
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This is scenario that cause segmentation fault in my Dovecot.
Maybe I do something wrong, but I don't know what...


We run: mailbox_delete
mailbox_delete do: mailbox_open(box) < 0
and after we have: box->v.delete(box) which run index_storage_mailbox_delete

index_storage_mailbox_delete do:
mailbox_close(box); and now mailbox is closed
(this close box->view and mailbox open)

Try to delete folder, but can't do this... example becaus it is system 
folder, or NFS failure... set error message and return -1.

Now we are returning to mailbox_delete.

And we have:
if (ret < 0 && box->marked_deleted) and this is true
	mailbox_mark_index_deleted(box, FALSE)
		if (box->marked_deleted && del) this is false
		mail_index_transaction_begin(box->view, trans_flags);
			mail_index_view_ref(view)
			and segmentation fault, because view is 0x0


#0  mail_index_view_transaction_ref (view=0x0) at mail-index-view.c:81
#1  0xb7ef3214 in mail_index_transaction_begin (view=0x0, 
flags=MAIL_INDEX_TRANSACTION_FLAG_EXTERNAL)
     at mail-index-transaction.c:268
#2  0xb7eb7a73 in mailbox_mark_index_deleted (box=0x80c8268, del=false) 
at mail-storage.c:682
#3  0xb7eb80a9 in mailbox_delete (box=0x80c8268) at mail-storage.c:757
#4  0x0805001f in cmd_delete (cmd=0x8095978) at cmd-delete.c:46
#5  0x0805625c in client_command_input (cmd=0x8095978) at imap-client.c:741
#6  0x0805630b in client_command_input (cmd=0x8095978) at imap-client.c:791
#7  0x0805646d in client_handle_input (client=0x8095390) at 
imap-client.c:857
#8  0x08056f1f in client_input (client=0x8095390) at imap-client.c:908
#9  0xb7e6f110 in io_loop_handler_run (ioloop=0x806c370) at 
ioloop-epoll.c:212
#10 0xb7e6da98 in io_loop_run (ioloop=0x806c370) at ioloop.c:350
#11 0xb7e5b26a in master_service_run (service=0x806c2c0, 
callback=0x805f800 <client_connected>)
     at master-service.c:496
#12 0x0805f6da in main (argc=1752462689, argv=0x73616d2d) at main.c:358


This is Dovecot error or I do something wrong?

--
Len7hir