[Dovecot] Some crashes with 1.1.1

[Timo Sirainen]

On Jun 22, 2008, at 6:11 PM, Ralf Hildebrandt wrote:

> * Timo Sirainen <tss at iki.fi>:
>
>> Well, these really aren't good and there's a good chance that cores  
>> won't
>> help finding out the cause. The best way would be to run via  
>> valgrind:
>>
>>  login_executable = /usr/bin/valgrind /usr/local/libexec/dovecot/
>> imap-login
>
> I can try that.
>
>> I don't really have any good guesses as to why these could be  
>> happening,
>> but could you post your dovecot -n output? Maybe there are some less
>> common settings..
>
> attached


Didn't seem to have anything special. You could also try if the patch  
below changes anything. Although I haven't heard other people getting  
heap corruption in v1.1, so it shouldn't be that common problem..

diff -r 65c19e970618 src/login-common/main.c
--- a/src/login-common/main.c   Sun Jun 22 14:02:54 2008 +0300
+++ b/src/login-common/main.c   Sun Jun 22 19:37:45 2008 +0300
@@ -407,8 +407,8 @@
            processes pretty safe to reuse for new connections since the
            attacker won't be able to find anything interesting from the
            memory. */
-       default_pool = system_clean_pool;
-       data_stack_set_clean_after_pop(TRUE);
+       /*default_pool = system_clean_pool;
+       data_stack_set_clean_after_pop(TRUE);*/

         /* NOTE: we start rooted, so keep the code minimal until
            restrict_access_by_env() is called */

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