That is odd. I don't think we touched that part of the code for a long while.
It might be that there is some other code corrupting the memory where
SquatIndex is located.
Would you have a chance to run squatter with valgrind?
On Fri, May 7, 2021, at 3:23 PM, Gabriele Bulfon via Info wrote:
> The problem lies here:
> /* Add 'doc_ID' to the list of document IDs for word 'word_ptr'
> in the "all documents" trie. */
> static int add_word_to_trie(SquatIndex * index, char const *word_ptr,
> int doc_ID)
> {
> WordDocEntry *word_entry = index->word_doc_allocator++;
> word_entry->doc_ID = doc_ID;
> add_to_table(index, word_ptr, SQUAT_WORD_SIZE - 1, word_entry);
> return SQUAT_OK;
> }
> Looks like word_entry (index->word_doc_allocator++) does not point to a valid
> memory area.
>
> What may have happened?
> Gabriele
>
>
> *Sonicle S.r.l. *: http://www.sonicle.com
> *Music: *http://www.gabrielebulfon.com
> *eXoplanets : *https://gabrielebulfon.bandcamp.com/album/exoplanets
>
>
>
>
>
> *Da:* Gabriele Bulfon via Info <[email protected]>
> *A:* Info <[email protected]>
> *Data:* 7 maggio 2021 14.23.07 CEST
> *Oggetto:* Squatter core dump
>>
>> Hi,
>>
>> I could set up a cloned machine with a specific big mailbox causing core
>> dump every time squatter tries to rebuild the index.
>> So I rebuilt the squatter binary with debug info (-g) and here is the gdb
>> back trace for 2.5.11 sources:
>>
>> (gdb) bt
>> #0 0x00000000004067a7 in add_word_to_trie (index=0x652600,
>> word_ptr=0xffffdf7fb949312d <error: Cannot access memory at address
>> 0xffffdf7fb949312d>, doc_ID=28651) at imap/squat_build.c:790
>> #1 0x0000000000407ce1 in dump_index_trie_words (index=0x652600,
>> first_char=191, result_offset=0xffffdf7fffdfdcfc) at imap/squat_build.c:1449
>> #2 0x0000000000408177 in index_close_internal (index=0x652600, OK=1) at
>> imap/squat_build.c:1589
>> #3 0x00000000004085c8 in squat_index_finish (index=0x652600) at
>> imap/squat_build.c:1695
>> #4 0x0000000000404d74 in squat_single (state=0x41ddc0, incremental=0) at
>> imap/squatter.c:484
>> #5 0x0000000000405331 in index_me (name=0xffffdf7fffdfe920
>> "sonicle.com!user.test^big", matchlen=0, maycreate=0,
>> rock=0xffffdf7fffdff924) at imap/squatter.c:636
>> #6 0x00000000004056ee in main (argc=7, argv=0xffffdf7fffdff968) at
>> imap/squatter.c:746
>>
>> I don't know if this is the same reason why cyrus.squat is always rebuilt
>> from scratch on many big mailboxes.
>> Hope this may help close this long awaited resolution.
>> I can patch & rebuild binaries easily on this cloned test machine, if you
>> can give me directions on where the problem may be.
>>
>> Thanks!
>> Gabriele
>>
>>
>> *Sonicle S.r.l. *: http://www.sonicle.com
>> *Music: *http://www.gabrielebulfon.com
>> *eXoplanets : *https://gabrielebulfon.bandcamp.com/album/exoplanets
>>
> *Cyrus <https://cyrus.topicbox.com/latest>* / Info / see discussions
> <https://cyrus.topicbox.com/groups/info> + participants
> <https://cyrus.topicbox.com/groups/info/members> + delivery options
> <https://cyrus.topicbox.com/groups/info/subscription> Permalink
> <https://cyrus.topicbox.com/groups/info/T290da80a662e5a08-Mfc4add017a7649fdbe2d9d3b>
------------------------------------------
Cyrus: Info
Permalink:
https://cyrus.topicbox.com/groups/info/T290da80a662e5a08-Mb51e0aa782765a7caa4458e4
Delivery options: https://cyrus.topicbox.com/groups/info/subscription
