Re: BUG in sctp crashes the system

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Michal Hocko wrote:
> On Mon 24-11-08 10:00:28, Vlad Yasevich wrote:
>> Michal Hocko wrote:
>>> On Fri 21-11-08 09:28:37, Vlad Yasevich wrote:
>>>> Michal
>>> Hi Vlad,
>>>
>>>> This really smells like the corruption of the sctp_packet structure.
>>>> The number chunks printout out is 0, but the list appears to have multiple
>>>> entries on it.
>>>>
>>>> Can you turn on CONFIG_DEBUG_LIST and may be even turn on memory
>>>> debugging as well.
>>> I have turned on some debug config options as you have suggested and
>>> here is the trace (unfortunately there was no other output on my serial
>>> console):
>>>
> [...]
>>>
>>> If you are interested in vmcore, system map and config file, you can find 
>>> them at:
>>> ftp.novell.com/outgoing/System.map-2.6.28-rc5-sctp.debug.gz
>>> ftp.novell.com/outgoing/vmcore.2.6.28-rc5-sctp.debug.gz
>>> ftp.novell.com/outgoing/config-2.6.28-rc5-sctp.debug
>>>
>>> Best regrads
>>
>> Michal
>>
>> In you test runs, what's the data size of the messages you use?
> 
> Both server and client take command-line parameter (2nd) and we have
> tested with the value 1024. You can change it (from 0 up to the lenght
> of s_SndData SCTPCrash.cpp:522)

Ok.  I was just wondering if you changed this value.  The traces shows the
chunk sized of 1040 so I am trying to figured out what we are sending.

Thanks
-vlad
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