Search Linux Wireless

Re: [PATCH] mac80211: fix AP/VLAN PS buffer race

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, 2011-09-20 at 10:48 -0700, Luis R. Rodriguez wrote:
> On Tue, Sep 20, 2011 at 8:40 AM, Johannes Berg
> <johannes@xxxxxxxxxxxxxxxx> wrote:
> > From: Johannes Berg <johannes.berg@xxxxxxxxx>
> >
> > When an AP interface is removed without the
> > AP/VLAN interfaces having been removed before
> > already, the AP-VLAN interface might still
> > have sleeping stations and buffer multicast
> > frames which will happen on the AP interface.
> > Thus, we need to remove AP/VLAN interfaces
> > before purging buffered broadcast frames.
> >
> > Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
> 
> Curious, what was happening with the inverse?

I never ran into this -- purely by code inspection. What could've
happened is that frames are still queued for an interface that's dead,
probably just causing skb leaks.

johannes

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Device Mapper]
  Powered by Linux