On Tue, Aug 21, 2018 at 16:52 Mark Johnston <ma...@freebsd.org> wrote:
> On Tue, Aug 21, 2018 at 04:00:10PM -0700, Matthew Macy wrote:
> > Yes. See r338162. Thanks.
>
> You missed instances of the same bug in in_mcast.c and in6_mcast.c.
Thanks
>
>
> > On Tue, Aug 21, 2018 at 2:24 PM Gleb Smirnoff <gleb...@freebsd.org>
> wrote:
> > > On Wed, Aug 15, 2018 at 08:23:09PM +0000, Matt Macy wrote:
> > > M> @@ -3772,8 +3775,11 @@ if_delmulti_locked(struct ifnet *ifp, struct
> > > ifmultiad
> > > M> ll_ifma->ifma_ifp = NULL; /* XXX */
> > > M> if (--ll_ifma->ifma_refcount == 0) {
> > > M> if (ifp != NULL) {
> > > M> - CK_STAILQ_REMOVE(&ifp->if_multiaddrs,
> > > ll_ifma, ifmultiaddr,
> > > M> - ifma_link);
> > > M> + if (ll_ifma->ifma_flags &
> IFMA_F_ENQUEUED)
> > > {
> > > M> +
> > > CK_STAILQ_REMOVE(&ifp->if_multiaddrs, ll_ifma, ifmultiaddr,
> > > M> + ifma_link);
> > > M> + ifma->ifma_flags &=
> > > ~IFMA_F_ENQUEUED;
> > > M> + }
> > > M> }
> > > M> if_freemulti(ll_ifma);
> > > M> }
> > >
> > > Coverity suggested there is a cut and paste mistake here, and it is
> > > compilable.
> > > After quick glance I tend to agree. Looks like flag is cleared on wrong
> > > ifma.
> > >
> > > --
> > > Gleb Smirnoff
> > >
>
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