Date: Wed, 27 Jan 2021 21:24:12 +0100 From: Michael Tuexen <Michael.Tuexen@macmic.franken.de> To: Randall Stewart <rrs@freebsd.org> Cc: "src-committers@freebsd.org" <src-committers@FreeBSD.org>, "dev-commits-src-all@freebsd.org" <dev-commits-src-all@FreeBSD.org>, "dev-commits-src-main@freebsd.org" <dev-commits-src-main@FreeBSD.org> Subject: Re: git: 24a8f6d36996 - main - When we are about to send down to the driver layer we need to make sure that the m_nextpkt field is NULL else the lower layers may do unwanted things. Message-ID: <9F54A720-4A55-48E6-88BC-CFEFC48F79B0@macmic.franken.de> In-Reply-To: <202101271854.10RIsN1E083640@gitrepo.freebsd.org> References: <202101271854.10RIsN1E083640@gitrepo.freebsd.org>
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> On 27. Jan 2021, at 19:54, Randall Stewart <rrs@freebsd.org> wrote: > > The branch main has been updated by rrs: > > URL: https://cgit.FreeBSD.org/src/commit/?id=24a8f6d369962f189ad808f538029179b1e7dc2f > > commit 24a8f6d369962f189ad808f538029179b1e7dc2f > Author: Randall Stewart <rrs@FreeBSD.org> > AuthorDate: 2021-01-27 18:32:52 +0000 > Commit: Randall Stewart <rrs@FreeBSD.org> > CommitDate: 2021-01-27 18:52:44 +0000 > > When we are about to send down to the driver layer > we need to make sure that the m_nextpkt field is NULL > else the lower layers may do unwanted things. > > Reviewed By: gallatin, melifaro > Differential Revision: https://reviews.freebsd.org/D28377 Any plans to MFC this to stable/13 and or stable/12? Best regards Michael > --- > sys/netinet6/nd6.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/sys/netinet6/nd6.c b/sys/netinet6/nd6.c > index 386eb7cca922..497c0bfc10e8 100644 > --- a/sys/netinet6/nd6.c > +++ b/sys/netinet6/nd6.c > @@ -2460,6 +2460,7 @@ nd6_flush_holdchain(struct ifnet *ifp, struct mbuf *chain, > while (m_head) { > m = m_head; > m_head = m_head->m_nextpkt; > + m->m_nextpkt = NULL; > error = nd6_output_ifp(ifp, ifp, m, dst, NULL); > } >
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