file message-address.c: line 43 (parse_local_part): assertion failed: (ctx->parser.data != ctx->parser.end)

#0 0x001b3402 in __kernel_vsyscall () No symbol table info available. #1 0x0043ed20 in raise () from /lib/libc.so.6 No symbol table info available. #2 0x00440631 in abort () from /lib/libc.so.6 No symbol table info available. #3 0x080f6968 in default_fatal_finish (type=LOG_TYPE_PANIC, status=0) at failures.c:150 backtrace = 0x90e9ed8 "/usr/libexec/dovecot/imap [0x80f6946] -> /usr/libexec/dovecot/imap [0x80f7207] -> /usr/libexec/dovecot/imap(i_fatal+0) [0x80f6ac0] -> /usr/libexec/dovecot/imap [0x80eaee7] -> /usr/. #4 0x080f7207 in i_internal_fatal_handler (type=LOG_TYPE_PANIC, status=0, fmt=0x8122bf0 "file %s: line %d (%s): assertion failed: (%s)", args=0xbfe92c54 "�+\022\b+") at failures.c:430 No locals. #5 0x080f6ac0 in i_panic (format=0x8122bf0 "file %s: line %d (%s): assertion failed: (%s)") at failures.c:197 args = 0xbfe92c54 "�+\022\b+" #6 0x080eaee7 in parse_local_part (ctx=0xbfe92d78) at message-address.c:43 ret = 0 __PRETTY_FUNCTION__ = "parse_local_part" #7 0x080eb373 in parse_addr_spec (ctx=0xbfe92d78) at message-address.c:163 ret = 24 ret2 = -1 #8 0x080eb49d in parse_mailbox (ctx=0xbfe92d78) at message-address.c:200 start = (const unsigned char *) 0x90fba9f "" ret = -1 #9 0x080eb503 in parse_mailbox_list (ctx=0xbfe92d78) at message-address.c:214 ret = 151951304 #10 0x080eb5c9 in parse_group (ctx=0xbfe92d78) at message-address.c:246 ret = 152025736 #11 0x080eb64c in parse_address (ctx=0xbfe92d78) at message-address.c:268 start = (const unsigned char *) 0x90fba88 "undisclosed-recipients:" ret = 151951000 #12 0x080eb68b in parse_address_list (ctx=0xbfe92d78, max_addresses=4294967294) at message-address.c:283 ret = 0 #13 0x080eb78f in message_address_parse_real (pool=0x90e9500, data=0x90fba88 "undisclosed-recipients:", size=23, max_addresses=4294967295, fill_missing=true) at message-address.c:320 ctx = {pool = 0x90e9500, parser = {data = 0x90fba9f "", end = 0x90fba9f "", last_comment = 0x90e9570}, first_addr = 0x90e97c8, last_addr = 0x90e97c8, addr = {next = 0x0, name = 0x0, route = 0x0, mailbox = 0x0, domain = 0x0, invalid_syntax = false}, str = 0x90e9698, fill_missing = true} ret = 1 #14 0x080eb7e0 in message_address_parse (pool=0x90e9500, data=0x90fba88 "undisclosed-recipients:", size=23, max_addresses=4294967295, fill_missing=true) at message-address.c:331 addr = (struct message_address *) 0x90e9500 #15 0x080ac097 in search_header_arg (arg=0x90ef6c0, ctx=0xbfe92f80) at index-search.c:424 addr = (struct message_address *) 0x90ff31c str = (string_t *) 0x17 _data_stack_cur_id = 5 msg_search_ctx = (struct message_search_context *) 0x91032f0 block = {part = 0x0, hdr = 0xbfe92e38, data = 0x0, size = 0} hdr = {name = 0x811a0f0 "", name_len = 0, value = 0x90fba88 "undisclosed-recipients:", value_len = 23, full_value = 0x90fba88 "undisclosed-recipients:", full_value_len = 23, middle = 0x90fdd53 ": ", middle_len = 0, name_offset = 0, full_value_offset = 4, continues = 0, continued = 0, eoh = 0, no_newline = 0, crlf_newline = 0, use_full_value = 0} ret = 0 #16 0x080b537a in search_arg_foreach (arg=0x90ef6c0, callback=0x80abe09 <search_header_arg>, context=0xbfe92f80) at mail-search.c:85 subarg = (struct mail_search_arg *) 0x0 __PRETTY_FUNCTION__ = "search_arg_foreach" #17 0x080b53a4 in mail_search_args_foreach (args=0x90ef6c0, callback=0x80abe09 <search_header_arg>, context=0xbfe92f80) at mail-search.c:98 result = 1 #18 0x080ac2f7 in search_header (hdr=0x90fec80, ctx=0xbfe92f80) at index-search.c:491 No locals. #19 0x080ed97e in message_parse_header (input=0x90fa8f8, hdr_size=0x0, flags=MESSAGE_HEADER_PARSER_FLAG_CLEAN_ONELINE, callback=0x80ac22f <search_header>, context=0xbfe92f80) at message-header-parser.c:389 hdr_ctx = (struct message_header_parser_ctx *) 0x90fec80 hdr = (struct message_header_line *) 0x90fec80 ret = 1 __PRETTY_FUNCTION__ = "message_parse_header" #20 0x080ac691 in search_arg_match_text (args=0x90ef678, ctx=0x90fb7a8) at index-search.c:580 hdr_ctx = {index_context = 0x90fb7a8, args = 0x90ef678, hdr = 0x90fec80, parse_headers = 0, custom_header = 1, threading = 0} input = (struct istream *) 0x90fa8f8 headers_ctx = (struct mailbox_header_lookup_ctx *) 0x90fb068 headers = (const char * const *) 0x90e9458 have_headers = true have_body = false __PRETTY_FUNCTION__ = "search_arg_match_text" #21 0x080ad3e1 in search_match_next (ctx=0x90fb7a8) at index-search.c:967 arg = (struct mail_search_arg *) 0x90fb7a8 ret = -1 #22 0x080ad703 in index_storage_search_next_nonblock (_ctx=0x90fb7a8, mail=0x90f8f68, tryagain_r=0xbfe93083) at index-search.c:1042 _data_stack_cur_id = 4 ctx = (struct index_search_context *) 0x90fb7a8 box = (struct mailbox *) 0x90f7c80 count = 6 ret = 1 #23 0x080b6e1d in mailbox_search_next_nonblock (ctx=0x90fb7a8, mail=0x90f8f68, tryagain_r=0xbfe93083) at mail-storage.c:653 No locals. #24 0x0805f60e in cmd_search_more (cmd=0x90ef600) at cmd-search.c:83 ctx = (struct imap_search_context *) 0x90ef738 end_time = {tv_sec = 151975096, tv_usec = 1} tryagain = false ret = 135224202 #25 0x0805f78e in cmd_search_more_callback (cmd=0x90ef600) at cmd-search.c:132 client = (struct client *) 0x90ef368 finished = false #26 0x08100310 in io_loop_handle_timeouts_real (ioloop=0x90ed9b0) at ioloop.c:298 timeout = (struct timeout *) 0x90fecd8 item = (struct priorityq_item *) 0x90fecd8 tv = {tv_sec = 0, tv_usec = 0} tv_call = {tv_sec = 1221553327, tv_usec = 767240} t_id = 3 #27 0x0810036a in io_loop_handle_timeouts (ioloop=0x90ed9b0) at ioloop.c:309 _data_stack_cur_id = 2 #28 0x0810102c in io_loop_handler_run (ioloop=0x90ed9b0) at ioloop-epoll.c:175 ctx = (struct ioloop_handler_context *) 0x90edaa8 events = (struct epoll_event *) 0x90edae8 event = (const struct epoll_event *) 0x90edae8 list = (struct io_list *) 0x90ef568 io = (struct io_file *) 0x0 tv = {tv_sec = 0, tv_usec = 0} events_count = 4 t_id = 2 msecs = 0 ret = 0 i = 0 j = 3 call = true #29 0x081003ac in io_loop_run (ioloop=0x90ed9b0) at ioloop.c:320 No locals. #30 0x0806debd in main (argc=1, argv=0xbfe93234, envp=0xbfe9323c) at main.c:293 No locals.