I've not been able to roll out rc23 yet (tonight, I hope) but I just saw a crash which I'm not sure I've seen reported before, following a server outage (that is to say, the server came back up and one of the users had a dovecot core).

#0 0x0005d720 in mail_cache_transaction_reset (ctx=0xcf928) at mail-cache-transaction.c:71 No locals. #1 0x0005e8bc in mail_cache_add (ctx=0xcf928, seq=233, field=4294967295, data=0xb7600, data_size=1063) at mail-cache-transaction.c:752 file_field = 19 data_size32 = 1063 fixed_size = 4294967295 full_size = 831272 __PRETTY_FUNCTION__ = "mail_cache_add" #2 0x00057160 in index_mail_parse_header (part=0xe9, hdr=0x14, mail=0xd33e8) at index-mail-headers.c:125 data = (struct index_mail_data *) 0xd3450 cache_field_name = 0xe9 <Address 0xe9 out of bounds> field_idx = 0 count = 21 match = (uint8_t *) 0xcf928 "" __PRETTY_FUNCTION__ = "index_mail_parse_header" #3 0x00079848 in _read (stream=0xe2aa0) at istream-header-filter.c:173 ret = 0 pos = 854336 #4 0x00085818 in i_stream_read (stream=0xe2ac8) at istream.c:58 _stream = (struct _istream *) 0xcaf28 #5 0x00085ca4 in i_stream_read_data (stream=0xe2ac8, data=0xffbff5ec, size=0xffbff5e8, threshold=1) at istream.c:250 ret = 0 read_more = false #6 0x0007e8c4 in message_get_body_size (input=0xe2ac8, body=0xffbff660, has_nuls=0x0) at message-size.c:105 msg = ( const unsigned char *) 0xe2cf7 "\ndary_(ID_/CFD74Co3EWCZqYkdHlE8A)\"\r\nt>\r\nSS@cox.net>,\r\nil.com>,\r\n\r\n" i = 0 ---Type <return> to continue, or q <return> to quit--- size = 1 missing_cr_count = 0 __PRETTY_FUNCTION__ = "message_get_body_size" #7 0x0002e5e4 in fetch_body_header_fields (ctx=0xc6a08, mail=0xffbff660, context=0xc6c98) at imap-fetch-body.c:448 size = {physical_size = 1357, virtual_size = 0, lines = 26} old_offset = Unhandled dwarf expression opcode 0x93

-- Daniel Price - Solaris Kernel Engineering - dp@eng.sun.com - blogs.sun.com/dp