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Re: [PATCH] mac80211: match only assigned bss in sta_info_get_bss

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On Mon, 15 Nov 2010 22:30:48 +0200, Jouni Malinen <j@xxxxx> wrote:
> This (commit a2c1e3dad516618cb0fbfb1a62c36d0b0744573a) seems to cause
> some changes that may not have been intended.. I'm not sure whether to
> call them all regressions, but it does break my 802.11w test setup.. ;-)
> 
> With this change in place, robust management frames injected on a cooked
> monitor interface do not get protected by mac80211 in station mode
> (i.e., PMF in use on wlan0 and PTK in place; use mon0 to inject a
> frame) while they used to get protected before this change. Reverting
> this on top of wireless-testing.git now gets the old behavior back, too.
> I have not verified whether this applies to other uses of cooked monitor
> (e.g., Data frames or AP mode where Shared Key auth actually expects
> injected frame to get protected in normal, non-testing-only use case).
> 
> Is this a bug? Or do I need to figure out another way of getting the
> frames injected on a monitor interface encrypted by mac80211?

It's a bug. I suspect we set up the sta pointer first, and then the
sdata pointer (when injecting) where if we do it the other way around
it should work fine.

johannes
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