Association race when acting as AP?

Eliad Peller eliad at
Thu Jul 2 08:45:04 EDT 2015

On Thu, Jul 2, 2015 at 1:39 PM, Michal Kazior <michal.kazior at> wrote:
> On 2 July 2015 at 10:43, Eliad Peller <eliad at> wrote:
>> On Thu, Jul 2, 2015 at 11:38 AM, Johannes Berg <johannes at>
>> wrote:
>>> [please try to send w/o html if you're CC'ing the linux-wireless list]
>>> > To me this looks like a race in hostapd. The station should be
>>> > installed to driver _before_ sending Assoc Resp frame, not after. My
>>> > quick-n-dirty hack seems to help:
>>> >
>>> [...]
>>> > Is anyone aware of this problem already? Anyone working on it? Any
>>> > gotchas I should be aware of before I go into fixing this in a proper
>>> > way? Or am I missing something and this isn't actually a problem?
>>> The TI folks had a similar patch that broke open networks, not sure
>>> what was wrong there.
>> there was some implementation error. it was fixed later on.
>> also, take a look at this thread:
> Thanks! Looks like you guys hit this with EAPOL frames. I'll look into it more.
> Is there any particular reason why these TI-OpenLink patches weren't
> submitted/merged to hostap?
nothing particular, AFAIR.
they needed further review/cleanup before upstream, and we just didn't
get to it.


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