[Dovecot] Dovecot 2.0.rc4 (a30a30d1e25a): LMTP dies intermittently

[Thomas Leuxner]

Am 06.08.2010 um 19:39 schrieb Timo Sirainen:
> If you can easily reproduce it, then you could attach gdb into lmtp
> process and get the backtrace from there:
> 
> gdb -p `pidof lmtp`
> cont
> <make it crash>
> bt full

License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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This GDB was configured as "x86_64-linux-gnu".
Attaching to process 12841
Reading symbols from /usr/lib/dovecot/lmtp...Reading symbols from /usr/lib/debug/usr/lib/dovecot/lmtp...done.
done.
Reading symbols from /usr/lib/dovecot/libdovecot-storage.so.0...Reading symbols from /usr/lib/debug/usr/lib/dovecot/libdovecot-storage.so.0.0.0...done.
done.
Loaded symbols for /usr/lib/dovecot/libdovecot-storage.so.0
Reading symbols from /usr/lib/dovecot/libdovecot-lda.so.0...Reading symbols from /usr/lib/debug/usr/lib/dovecot/libdovecot-lda.so.0.0.0...done.
done.
Loaded symbols for /usr/lib/dovecot/libdovecot-lda.so.0
Reading symbols from /usr/lib/dovecot/libdovecot.so.0...Reading symbols from /usr/lib/debug/usr/lib/dovecot/libdovecot.so.0.0.0...done.
done.
Loaded symbols for /usr/lib/dovecot/libdovecot.so.0
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/librt.so.1...done.
Loaded symbols for /lib/librt.so.1
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/ld-linux-x86-64.so.2...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Reading symbols from /lib/libpthread.so.0...done.
[Thread debugging using libthread_db enabled]
[New Thread 0x7ffa65801700 (LWP 12841)]
Loaded symbols for /lib/libpthread.so.0
Reading symbols from /lib/libnss_files.so.2...done.
Loaded symbols for /lib/libnss_files.so.2
Reading symbols from /usr/lib/dovecot/modules/lib01_acl_plugin.so...Reading symbols from /usr/lib/debug/usr/lib/dovecot/modules/lib01_acl_plugin.so...done.
done.
Loaded symbols for /usr/lib/dovecot/modules/lib01_acl_plugin.so
Reading symbols from /usr/lib/dovecot/modules/lib10_quota_plugin.so...Reading symbols from /usr/lib/debug/usr/lib/dovecot/modules/lib10_quota_plugin.so...done.
done.
Loaded symbols for /usr/lib/dovecot/modules/lib10_quota_plugin.so
Reading symbols from /usr/lib/dovecot/modules/lib90_sieve_plugin.so...Reading symbols from /usr/lib/debug/usr/lib/dovecot/modules/lib90_sieve_plugin.so...done.
done.
Loaded symbols for /usr/lib/dovecot/modules/lib90_sieve_plugin.so
Reading symbols from /usr/lib/dovecot/libdovecot-sieve.so.0...Reading symbols from /usr/lib/debug/usr/lib/dovecot/libdovecot-sieve.so.0.0.0...done.
done.
Loaded symbols for /usr/lib/dovecot/libdovecot-sieve.so.0
0x00007ffa648015f3 in epoll_wait () from /lib/libc.so.6
(gdb) cont
Continuing.

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffa65801700 (LWP 12841)]
acl_mail_namespace_storage_added (ns=0xd33e10) at acl-mailbox-list.c:509
509     acl-mailbox-list.c: No such file or directory.
        in acl-mailbox-list.c
(gdb) bt full
#0  acl_mail_namespace_storage_added (ns=0xd33e10) at acl-mailbox-list.c:509
        auser = <value optimized out>
        backend = <value optimized out>
        current_username = 0xd36268 "raw user"
        owner_username = <value optimized out>
        owner = <value optimized out>
#1  0x00007ffa65351829 in hook_mail_namespace_storage_added (ns=0xd33e10) at mail-storage-hooks.c:256
        hooks__foreach_end = (const void *) 0xd371a0
        hooks = (const struct mail_storage_hooks * const *) 0xd37180
#2  0x00007ffa65351274 in mail_storage_create (ns=0xd33e10, driver=0xcf0e58 "=�<e�\177", flags=0, error_r=0x7fff96ea0ea0) at mail-storage.c:333
        storage_class = (struct mail_storage *) 0x7ffa655ebf00
        storage = (struct mail_storage *) 0xd3a1c8
        list_set = {layout = 0xcdf6f8 "none", root_dir = 0xcdf6f0 "", index_dir = 0x0, control_dir = 0x0, alt_dir = 0x0, inbox_path = 0x0, subscription_fname = 0x7ffa653d188b "subscriptions", 
  maildir_name = 0x0, mailbox_dir_name = 0x0}
        data = 0x407806 ":LAYOUT=none"
        p = <value optimized out>
        __FUNCTION__ = "mail_storage_create"
#3  0x0000000000404c41 in client_create (fd_in=<value optimized out>, fd_out=11, conn=<value optimized out>) at client.c:145
        client = (struct client *) 0xcfcc28
        pool = (pool_t) 0xcfcc00
#4  0x00007ffa64ed29ad in master_service_listen (l=0xcef048) at master-service.c:736
        service = (struct master_service *) 0xce7480
        conn = {fd = 11, listen_fd = 7, remote_ip = {family = 0, u = {ip6 = {in6_u = {u6_addr8 = '\0' <repeats 15 times>, u6_addr16 = {0, 0, 0, 0, 0, 0, 0, 0}, u6_addr32 = {0, 0, 0, 0}}}, ip4 = {
        s_addr = 0}}}, remote_port = 0, fifo = 0, ssl = 0, accepted = 1}
        __FUNCTION__ = "master_service_listen"
#5  0x00007ffa64ee3fcb in io_loop_handler_run (ioloop=<value optimized out>) at ioloop-epoll.c:212
        ctx = (struct ioloop_handler_context *) 0xcee480
        event = (const struct epoll_event *) 0xcee4f0
        list = (struct io_list *) 0xcef110
        io = (struct io_file *) 0xcef0d0
        tv = {tv_sec = 2147483, tv_usec = 0}
        t_id = 2
        msecs = <value optimized out>
        ret = 1
        call = <value optimized out>
#6  0x00007ffa64ee3148 in io_loop_run (ioloop=0xce75b0) at ioloop.c:350
No locals.
#7  0x00007ffa64ed2aa3 in master_service_run (service=0xce7480, callback=0) at master-service.c:496
No locals.
#8  0x00000000004043c2 in main (argc=2, argv=0xce7370) at main.c:114
        set_roots = {0x6098a0, 0x4081e0, 0x0}
        service_flags = <value optimized out>
        storage_service_flags = 739
        c = <value optimized out>