[PATCH] TALLOC_FREE(domain->check_online_event) refers to null pointer in winbindd_reinit_after_fork() [Was Re: [PATCH] clean the event context after fork in fork_domain_child()]

boyang boyang at suse.de
Mon Jan 12 11:06:59 GMT 2009


Jeremy Allison wrote:
> On Mon, Jan 12, 2009 at 04:08:34PM +0800, boyang wrote:
>   
>> Jeremy Allison wrote:
>>     
>>> On Sun, Jan 11, 2009 at 12:58:37PM +0800, boyang wrote:
>>>
>>>   
>>>       
>>>> It is a pity that I have no testing or building environment around at
>>>> present, they are in company and the vpn is quite lagging. :-(  I'll
>>>> test the new code tomorrow(Monday). I'll get back to you as soon as I
>>>> finished the test.
>>>>     
>>>>         
>>> Oh, no problem. I will do the same, but your Monday comes
>>> before mine :-).
>>>   
>>>       
>> Hi, Jeremy:
>>      There is still bug in winbindd_reinit_after_fork(), when
>> TALLOC_FREE(domain->check_online_event), the destructor is called, which
>> refers to null pointer, because te->event_ctx is set to NULL in
>> event_context_destructor(), which is called by reinit_after_fork(). So,
>> te->event_ctx->timer_events in timed_event_destructor() crashes the process.
>>
>> Patches are in attachment for v3-0-test and v3-2-test, please review them.
>>
>> After the fix applied, everything works for me very well. :-)
>>     
>
> Got it, pushed to 3.2 and 3.0, thanks ! I'm glad you
> got to your test environment first :-).
>   
Hi, Jeremy:
     I am sorry to inform you that "make test" failed in
test_net_registry.sh and test_net_s3.sh... I am still try to catch it,
but have no idea at present. :-(
> Cheers,
>
> Jeremy.
>
>   

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