[Dovecot] imap crash with fts squat enabled.

[Joe Wong]

Hi Timo,

Here is the backtrace for your reference. I have already applied 
dovecot-97702c9c4111 changes to my 1.1 beta10 code base. 

I am running dovecot on FC7, gcc 4.1.2, mailbox is on NFS. Whenever I did

UID SEARCH body "xxxx"

imap crashes.

Program terminated with signal 6, Aborted.
#0  0x00110402 in __kernel_vsyscall ()
(gdb) bt full
#0  0x00110402 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00790fa0 in raise () from /lib/libc.so.6
No symbol table info available.
#2  0x007928b1 in abort () from /lib/libc.so.6
No symbol table info available.
#3  0x080ca029 in i_internal_fatal_handler (type=LOG_TYPE_PANIC, status=0, 
fmt=0x80ebb5c "Leaked a t_pop() call in timeout handler %p", 
    args=0xbf8538b4 "\005\b\226\225~") at failures.c:424
        backtrace = 0xa0e1168 "imap [0x80ca020] -> imap [0x80c9f2c] -> 
imap(io_loop_handle_timeouts+0x1b7) [0x80d0bc7] -> 
imap(io_loop_handler_run+0x69) [0x80d1309] -> imap(io_loop_run+0x28) 
[0x80d09f8] -> imap(main+0x4ac) [0x8066c"...
#4  0x080c9f2c in i_panic (format=0x80ebb5c "Leaked a t_pop() call in 
timeout handler %p") at failures.c:197
        args = 0xbf8538b4 "\005\b\226\225~"
#5  0x080d0bc7 in io_loop_handle_timeouts (ioloop=0xa0e99b0, 
update_run_now=true) at ioloop.c:268
        diff = <value optimized out>
        called_timeouts = (struct timeout *) 0x0
        tv = {tv_sec = 8579595, tv_usec = 323093}
        t_id = 2
#6  0x080d1309 in io_loop_handler_run (ioloop=0xa0e99b0) at 
ioloop-poll.c:159
        ctx = (struct ioloop_handler_context *) 0xa0e99f0
        pollfd = <value optimized out>
        tv = {tv_sec = 0, tv_usec = 0}
        io = <value optimized out>
        t_id = <value optimized out>
        msecs = <value optimized out>
        ret = 0
        call = <value optimized out>
#7  0x080d09f8 in io_loop_run (ioloop=0xa0e99b0) at ioloop.c:305
No locals.
#8  0x08066c2c in main (argc=Cannot access memory at address 0x5dd2
) at main.c:293


 -- 

And dovecot.conf:

# 1.1.beta10: /usr/local/etc/dovecot.conf
log_path: /var/log/dovecot-1.1.log
info_log_path: /var/log/dovecot-1.1.log
protocols: imap
ssl_disable: yes
login_dir: /usr/local/var/run/dovecot/login
login_executable: /usr/local/libexec/dovecot/imap-login
login_user: nobody
verbose_proctitle: yes
mail_location: maildir:~/Maildir
mail_debug: yes
mmap_disable: yes
mail_nfs_storage: yes
mail_nfs_index: yes
mail_drop_priv_before_exec: yes
mail_plugins: fts fts_squat
mail_log_max_lines_per_sec: 100
auth default:
  user: mdrop
  username_chars: 
abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@:
  username_translation: @:
  verbose: yes
  debug: yes
  debug_passwords: yes
  passdb:
    driver: sql
    args: /usr/local/etc/dovecot-sql.conf
  userdb:
    driver: sql
    args: /usr/local/etc/dovecot-sql.conf
plugin:
  fts: squat