[Click] Problem with InfiniteSource and Discard
Eddie Kohler
kohler at cs.ucla.edu
Wed Feb 24 15:49:54 EST 2010
Nikola,
Thanks so much for this. The fix is checked in.
Eddie
Nikola Knežević wrote:
> On 16 Dec 2008, at 18:45 , Eddie Kohler wrote:
>
>> This is running in the kernel or at user level?
>>>
>
>
>>> one of my students discovered that when he uses a configuration like
>>> this:
>>> InfiniteSource(\<0800>, 1000000, 1, true) -> Discard;
>>> Click dies with "out of memory" after 300k packets. Also, _packet-
>>> >clone(); returns NULL pointer. How to solve this issue?
>>>
>
> Hi guys,
> I've tracked down the problem. It is relate only to FreeBSD, and when
> used in conjuction with InfiniteSource and Discard.
> Click::Packet::~Packet has a bug, since it checks whether data_pointer
> is null, and if yes, calls m_freem. It should call m_freem iff _m is not
> null. So, instead of m_freem being in an else branch, if should be in
> its own if branch.
>
> Cheers,
> Nikola
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