[Dovecot] Assertion failure in 2.0.16 - SEARCH ()

[Daniel Colascione]

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Nov 25 22:25:39 dancol dovecot: master: Error: service(imap): child 25115
killed with signal 6 (core dumps disabled)
Nov 25 22:25:59 dancol dovecot: imap(dancol): Panic: file mail-search-build.c:
line 59 (mail_search_build_key_int): assertion failed: (sarg->value.subargs !=
NULL)
Nov 25 22:25:59 dancol dovecot: imap(dancol): Error: Raw backtrace:
/usr/lib/dovecot/libdovecot.so.0(+0x3d291) [0xb7636291] ->
/usr/lib/dovecot/libdovecot.so.0(+0x3d2ff) [0xb76362ff] ->
/usr/lib/dovecot/libdovecot.so.0(i_error+0) [0xb760bb7a] ->
/usr/lib/dovecot/libdovecot-storage.so.0(+0x24109) [0xb7692109] ->
/usr/lib/dovecot/libdovecot-storage.so.0(+0x24177) [0xb7692177] ->
/usr/lib/dovecot/libdovecot-storage.so.0(mail_search_build+0x82) [0xb7692242]
- -> dovecot/imap [dancol 127.0.0.1 SEARCH](imap_search_args_build+0x4a)
[0x805db5a] -> dovecot/imap [dancol 127.0.0.1 SEARCH](cmd_search+0xbf)
[0x80537ef] -> dovecot/imap [dancol 127.0.0.1 SEARCH]() [0x80568cc] ->
dovecot/imap [dancol 127.0.0.1 SEARCH]() [0x80569a2] -> dovecot/imap [dancol
127.0.0.1 SEARCH](client_handle_input+0x175) [0x8056c25] -> dovecot/imap
[dancol 127.0.0.1 SEARCH](client_input+0x5f) [0x80574cf] ->
/usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x51) [0xb76430d1] ->
/usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0xd3) [0xb7644193] ->
/usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x40) [0xb7643050] ->
/usr/lib/dovecot/libdovecot.so.0(master_service_run+0x2a) [0xb762ec1a] ->
dovecot/imap [dancol 127.0.0.1 SEARCH](main+0x315) [0x805fef5] ->
/lib/i686/cmov/libc.so.6(__libc_start_main+0xe6) [0xb74b6c76] -> dovecot/imap
[dancol 127.0.0.1 SEARCH]() [0x804eb81]

$ telnet localhost imap
Trying 127.0.0.1...
Connected to localhost.localdomain.
Escape character is '^]'.
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE
STARTTLS AUTH=PLAIN AUTH=LOGIN] Dovecot ready.
. LOGIN dancol XXXXXXXX
. OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE
SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS MULTIAPPEND UNSELECT CHILDREN
NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT
SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS] Logged in
. SELECT rss
* FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
* OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft \*)] Flags
permitted.
* 8 EXISTS
* 0 RECENT
* OK [UIDVALIDITY 1322264663] UIDs valid
* OK [UIDNEXT 11] Predicted next UID
* OK [HIGHESTMODSEQ 1] Highest
. OK [READ-WRITE] Select completed.
. SEARCH ()
Connection closed by foreign host.

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