Date: Mon, 16 Aug 2021 13:02:27 GMT From: Mark Johnston <markj@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 3c785b12e096 - stable/13 - in6: Enter the net epoch in in6_tmpaddrtimer() Message-ID: <202108161302.17GD2Rot092853@gitrepo.freebsd.org>
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The branch stable/13 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=3c785b12e09612f100462e8f960236865cd47a88 commit 3c785b12e09612f100462e8f960236865cd47a88 Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2021-08-09 17:14:23 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2021-08-16 13:01:39 +0000 in6: Enter the net epoch in in6_tmpaddrtimer() We need to do so to safely traverse the ifnet list. Reviewed by: bz Sponsored by: The FreeBSD Foundation (cherry picked from commit 8ee0826f75136f6ac6443f32c582882bc31abd73) --- sys/netinet6/in6_ifattach.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sys/netinet6/in6_ifattach.c b/sys/netinet6/in6_ifattach.c index 8d027e2fb1d9..629509f61ac1 100644 --- a/sys/netinet6/in6_ifattach.c +++ b/sys/netinet6/in6_ifattach.c @@ -828,6 +828,7 @@ void in6_tmpaddrtimer(void *arg) { CURVNET_SET((struct vnet *) arg); + struct epoch_tracker et; struct nd_ifinfo *ndi; u_int8_t nullbuf[8]; struct ifnet *ifp; @@ -837,6 +838,7 @@ in6_tmpaddrtimer(void *arg) V_ip6_temp_regen_advance) * hz, in6_tmpaddrtimer, curvnet); bzero(nullbuf, sizeof(nullbuf)); + NET_EPOCH_ENTER(et); CK_STAILQ_FOREACH(ifp, &V_ifnet, if_link) { if (ifp->if_afdata[AF_INET6] == NULL) continue; @@ -850,7 +852,7 @@ in6_tmpaddrtimer(void *arg) ndi->randomseed1, ndi->randomid); } } - + NET_EPOCH_EXIT(et); CURVNET_RESTORE(); }
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