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Re: [PATCH v2 2/2] mac80211: guard against invalid ptr deref

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On Fri, 2015-05-29 at 13:34 +0200, Michal Kazior wrote:

> > I'm a bit undecided about this. Is this really the only place that
> > assumes use_4addr implies that it's a VLAN, in a context like this?
> 
> Hmm.. I guess TDLS could also have use_4addr and still be a
> IFTYPE_STATION, right? 

No, TDLS can neither get here (VLAN assignment) nor does it actually set
use_4addr. The only other thing that can set use_4addr is the station
interface itself, but then we also can't get here.

That wasn't really my point though - I was thinking more along the lines
of code in rx.c, tx.c that just checks use_4addr? Not really sure.

johannes


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