Cyrus IMAP 2.2.13: imapd -s core dump with signal 6 on Solaris

[Дейтер Александр Ва]

We are running Cyrus-IMAP 2.2.13 with Cyrus-SASL 2.1.22 and Berkeley DB
4.4.20 on Solaris 9. Periodically imapd core dump with signal 6:

(gdb) bt
#0  0xffffffff7cda88ec in _libc_kill () from /usr/lib/64/libc.so.1
#1  0xffffffff7f2120d4 in umem_do_abort () from /usr/lib/64/libumem.so
#2  0xffffffff7f212378 in umem_err_recoverable () from
/usr/lib/64/libumem.so
#3  0xffffffff7f211c18 in process_free () from /usr/lib/64/libumem.so
#4  0x00000001000675d8 in randlvl ()
#5  0x000000010005651c in seen_unlock ()
#6  0x0000000100027bc0 in index_checkseen ()
#7  0x0000000100028620 in index_check ()
#8  0x000000010000f5f8 in cmd_idle ()
#9  0x0000000100021208 in cmdloop ()
#10 0x0000000100023fb0 in service_main ()
#11 0x000000010000b6a4 in main ()

Thanks!

-- 
Alex Deiter