[Dovecot] 1.0-test40

[Wouter Van Hemel]

On Tue, 7 Sep 2004, Timo Sirainen wrote:

> On 7.9.2004, at 08:03, Wouter Van Hemel wrote:
>
>> Note that it is a signal-6, abort, and I can't get much out of the core 
>> file.
>
> I bet you're running Linux 2.6 then. Really annoying that it generates broken 
> core files with abort().
>
> Could you change the abort() calls in src/lib/failures.c to:
>
>        *((char*)0) = 0;
>
> That should make more usable cores.
>

Actually I simply forgot I stripped the symbols just before it crashed, 
sorry. On OpenBSD at least, the core files from abort() seem fine. Anyway, 
I attached the stacktrace. The crash happens straight away after login, on 
"select INBOX".

Note that mmap is disabled (by configuration).
-------------- next part --------------
This GDB was configured as "i386-unknown-openbsd2.9"...
Core was generated by `imap'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /usr/libexec/ld.so...done.
Reading symbols from /usr/lib/libc.so.26.2...done.
#0  i_internal_panic_handler (
    fmt=0x3faac "file %s: line %d (%s): assertion failed: (%s)", 
    args=0xdfbfd768 "\237?\003") at failures.c:377
377	        *((char*)0) = 0;
(gdb) bt
#0  i_internal_panic_handler (
    fmt=0x3faac "file %s: line %d (%s): assertion failed: (%s)", 
    args=0xdfbfd768 "\237?\003") at failures.c:377
#1  0x40c67 in i_panic (
    format=0x3faac "file %s: line %d (%s): assertion failed: (%s)")
    at failures.c:174
#2  0x401f6 in buffer_set_used_size (_buf=0x5a240, used_size=124)
    at buffer.c:303
#3  0x2870e in mail_index_read_map (index=0x68300, map=0x68380, 
    retry_r=0xdfbfd878) at mail-index.c:447
#4  0x2884e in mail_index_read_map_with_retry (index=0x68300, map=0x68380)
    at mail-index.c:503
#5  0x28a32 in mail_index_map (index=0x68300, force=0) at mail-index.c:599
#6  0x28d6f in mail_index_try_open (index=0x68300, lock_id_r=0xdfbfd910)
    at mail-index.c:749
#7  0x29203 in mail_index_open_files (index=0x68300, flags=13)
    at mail-index.c:897
#8  0x293fa in mail_index_open (index=0x68300, flags=13) at mail-index.c:964
#9  0x23d6e in index_storage_mailbox_init (storage=0x68080, box=0x586fc, 
    index=0x68300, name=0x14ff0 "INBOX", flags=0) at index-storage.c:318
#10 0x151d4 in mbox_open (storage=0x68080, name=0x14ff0 "INBOX", flags=0)
    at mbox-storage.c:407
#11 0x153dd in mbox_mailbox_open (_storage=0x68080, name=0xdc39 "INBOX", 
    flags=0) at mbox-storage.c:469
#12 0x34db4 in mailbox_open (storage=0x68080, name=0xdc39 "INBOX", flags=0)
    at mail-storage.c:291
#13 0x4528 in _cmd_select_full (client=0x68100, readonly=0) at cmd-select.c:31
#14 0x46af in cmd_select (client=0x68100) at cmd-select.c:98
#15 0x5f5e in client_handle_input (client=0x68100) at client.c:323
#16 0x6031 in _client_input (context=0x68100) at client.c:367
#17 0x45508 in io_loop_handler_run (ioloop=0x65040) at ioloop-poll.c:184
#18 0x44d81 in io_loop_run (ioloop=0x65040) at ioloop.c:218
#19 0xd698 in main (argc=1, argv=0xdfbfdcc0, envp=0xdfbfdcc8) at main.c:218
(gdb) q
-------------- next part --------------
This GDB was configured as "i386-unknown-openbsd2.9"...
Core was generated by `imap'.
Program terminated with signal 6, Abort trap.
Reading symbols from /usr/libexec/ld.so...done.
Reading symbols from /usr/lib/libc.so.26.2...done.
#0  0x400b16ff in _thread_sys_kill ()
(gdb) bt
#0  0x400b16ff in _thread_sys_kill ()
#1  0x400dd680 in abort ()
#2  0x410c7 in i_internal_panic_handler (
    fmt=0x3faac "file %s: line %d (%s): assertion failed: (%s)", 
    args=0xdfbfd768 "\237?\003") at failures.c:376
#3  0x40c63 in i_panic (
    format=0x3faac "file %s: line %d (%s): assertion failed: (%s)")
    at failures.c:174
#4  0x401f6 in buffer_set_used_size (_buf=0x5a240, used_size=124)
    at buffer.c:303
#5  0x2870e in mail_index_read_map (index=0x68300, map=0x68380, 
    retry_r=0xdfbfd878) at mail-index.c:447
#6  0x2884e in mail_index_read_map_with_retry (index=0x68300, map=0x68380)
    at mail-index.c:503
#7  0x28a32 in mail_index_map (index=0x68300, force=0) at mail-index.c:599
#8  0x28d6f in mail_index_try_open (index=0x68300, lock_id_r=0xdfbfd910)
    at mail-index.c:749
#9  0x29203 in mail_index_open_files (index=0x68300, flags=13)
    at mail-index.c:897
#10 0x293fa in mail_index_open (index=0x68300, flags=13) at mail-index.c:964
#11 0x23d6e in index_storage_mailbox_init (storage=0x68080, box=0x58704, 
    index=0x68300, name=0x14ff0 "INBOX", flags=0) at index-storage.c:318
#12 0x151d4 in mbox_open (storage=0x68080, name=0x14ff0 "INBOX", flags=0)
    at mbox-storage.c:407
#13 0x153dd in mbox_mailbox_open (_storage=0x68080, name=0xdc39 "INBOX", 
    flags=0) at mbox-storage.c:469
#14 0x34db4 in mailbox_open (storage=0x68080, name=0xdc39 "INBOX", flags=0)
    at mail-storage.c:291
#15 0x4528 in _cmd_select_full (client=0x68100, readonly=0) at cmd-select.c:31
#16 0x46af in cmd_select (client=0x68100) at cmd-select.c:98
#17 0x5f5e in client_handle_input (client=0x68100) at client.c:323
#18 0x6031 in _client_input (context=0x68100) at client.c:367
#19 0x454fc in io_loop_handler_run (ioloop=0x65040) at ioloop-poll.c:184
#20 0x44d75 in io_loop_run (ioloop=0x65040) at ioloop.c:218
#21 0xd698 in main (argc=1, argv=0xdfbfdcc0, envp=0xdfbfdcc8) at main.c:218
(gdb) q