Am Wednesday 15 April 2009 10:47:17 schrieb Herbert Xu: > tun: Fix sk_sleep races when attaching/detaching > > As the sk_sleep wait queue actually lives in tfile, which may be > detached from the tun device, bad things will happen when we use > sk_sleep after detaching. > > Since the tun device is the persistent data structure here (when > requested by the user), it makes much more sense to have the wait > queue live there. There is no reason to have it in tfile at all > since the only time we can wait is if we have a tun attached. > In fact we already have a wait queue in tun_struct, so we might > as well use it. > > Reported-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> > Reported-by: Eric W. Biederman <ebiederm@xxxxxxxxxxxx> > Reported-by: Patrick McHardy <kaber@xxxxxxxxx> > Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Tested-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
