In message <13fa004f-6d8a-025e-9d4f-957f08111...@yandex.ru>, "Andrey V.
Elsukov
" writes:
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> From: "Andrey V. Elsukov" <bu7c...@yandex.ru>
> To: Cy Schubert <cy.schub...@cschubert.com>, Matt Macy <mm...@freebsd.org>
> Cc: src-committ...@freebsd.org, svn-src-...@freebsd.org,
> svn-src-head@freebsd.org
> Message-ID: <13fa004f-6d8a-025e-9d4f-957f08111...@yandex.ru>
> Subject: Re: svn commit: r335919 - head/sys/netinet6
> References: <201807041305.w64d5qik002...@slippy.cwsent.com>
> In-Reply-To: <201807041305.w64d5qik002...@slippy.cwsent.com>
>
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> On 04.07.2018 16:05, Cy Schubert wrote:
> > Hi Matt,
> >=20
> > This is causing a panic of my gateway machine. Likely due to router=20
> > solicitations.
>
> Hi,
>
> probably in the last two chunks "inp" should be replaced with "last"
>
> Index: udp6_usrreq.c
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> --- udp6_usrreq.c (revision 335934)
> +++ udp6_usrreq.c (working copy)
> @@ -387,7 +387,7 @@ udp6_input(struct mbuf **mp, int *offp, int proto)
> if ((n =3D m_copym(m, 0, M_COPYALL, M_NOWAIT))
> !=3D
> NULL) {
> INP_RLOCK(last);
> - if (__predict_true(inp->inp_flags2 & IN
> P_FREED) =3D=3D 0) {
> + if (__predict_true(last->inp_flags2 & I
> NP_FREED) =3D=3D 0) {
> UDP_PROBE(receive, NULL, last,
> ip6,
> last, uh);
> if (udp6_append(last, n, off, f
> romsa))
> @@ -421,7 +421,7 @@ udp6_input(struct mbuf **mp, int *offp, int proto)
> goto badheadlocked;
> }
> INP_RLOCK(last);
> - if (__predict_true(inp->inp_flags2 & INP_FREED) =3D=3D 0) {
> + if (__predict_true(last->inp_flags2 & INP_FREED) =3D=3D 0) {
> UDP_PROBE(receive, NULL, last, ip6, last, uh);
> if (udp6_append(last, m, off, fromsa) =3D=3D 0)
> INP_RUNLOCK(last);
>
>
> --=20
> WBR, Andrey V. Elsukov
Makes sense. Gave it a spin before heading off to $JOB. No more panic
loop. Thanks.
--
Cheers,
Cy Schubert <cy.schub...@cschubert.com>
FreeBSD UNIX: <c...@freebsd.org> Web: http://www.FreeBSD.org
The need of the many outweighs the greed of the few.
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