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Re: crash in imap_expunge_mailbox (similar to #2175)



On Tuesday, March  7 at 01:26 PM, quoth Brendan Cully:
I don't think these are the way to go. If a header is missing, that's
a symptom of worse trouble. I think it's the flag handler getting
confused by flags for different messages in imap_open_mailbox. I'm
expecting that before these crashes somewhere in .muttdebug you're
seeing some kind of 'uid out of sync' message. Will try to take a look
later today - RL has been kind of crazy lately...

Okay… I’m posting this just to give you extra forensic information for tracking down the bug. Maybe it’s useful, maybe it isn’t:

(gdb) bt
#0  0x000dcdf4 in cmd_parse_fetch (idata=0x1141510, s=0x182b602 "362 FETCH (UID 610 FLAGS (\\Seen \\Answered \\Recent) INTERNALDATE \"13-Mar-2006 01:24:27 
+0000\" RFC822.SIZE 1460 BODY[HEADER.FIELDS (\"DATE\" \"FROM\" \"SUBJECT\" \"TO\" \"CC\" \"MESSAGE-ID\" 
\"REFERENCES\" \"CONTENT-T"...) at command.c:536
#1  0x000dc598 in cmd_handle_untagged (idata=0x1141510) at command.c:415
#2  0x000db980 in imap_cmd_step (idata=0x1141510) at command.c:170
#3  0x000d7ebc in imap_read_headers (idata=0x1141510, msgbegin=359, msgend=362) 
at message.c:248
#4  0x000dbeb8 in imap_cmd_finish (idata=0x1141510) at command.c:283
#5  0x000d3b8c in imap_check_mailbox (ctx=0x114c0c0, index_hint=0xbfffeacc, 
force=0) at imap.c:1373
#6  0x00066520 in mx_check_mailbox (ctx=0x114c0c0, index_hint=0xbfffeacc, 
lock=0) at mx.c:1367
#7  0x000255e0 in mutt_index_menu () at curs_main.c:608
#8  0x000547ac in main (argc=1, argv=0xbffff4dc) at main.c:966
(gdb) p *(idata->ctx)
$5 = {
path = 0x1148560 "imaps://kyle@xxxxxxxxxxxxxxxxxxx/INBOX/Family", fp = 0x0, mtime = 0, mtime_cur = 0, size = 0, vsize = 22314602, pattern = 0x15170a0 "~C kieran | ~f kieran", limit_pattern = 0x13f9eb0, hdrs = 0x18b1600, last_tag = 0x0, tree = 0x13f7960, id_hash = 0x0, subj_hash = 0x1509d80, thread_hash = 0x1148590, v2r = 0x18b1c00, hdrmax = 384, msgcount = 363, vcount = 135, tagged = 0, new = 0, unread = 0, deleted = 0, flagged = 0, msgnotreadyet = -1, data = 0x1141510, magic = 5, locked = 0, changed = 0, readonly = 0, dontwrite = 0, append = 0, quiet = 0, collapsed = 0, closing = 0
}
(gdb) p msgno
$6 = 362
(gdb) p cur
$7 = 361

~Kyle
--
Almost everything about a human creature is ridiculous, except its ability to suffer bravely and die gallantly for whatever it loves and believes in. The validity of that belief, the appropriateness of that love, is irrelevant; it is the bravery and the gallantry that count.
                        -- Robert A. Heinlein, Job: A Comedy of Justice

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