Date: Wed, 1 Jul 2009 08:10:02 GMT From: dfilter@FreeBSD.ORG (dfilter service) To: freebsd-net@FreeBSD.org Subject: Re: kern/134557: commit references a PR Message-ID: <200907010810.n618A24m007017@freefall.freebsd.org>
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The following reply was made to PR kern/134557; it has been noted by GNATS. From: dfilter@FreeBSD.ORG (dfilter service) To: bug-followup@FreeBSD.org Cc: Subject: Re: kern/134557: commit references a PR Date: Wed, 1 Jul 2009 08:09:10 +0000 (UTC) Author: mav Date: Wed Jul 1 08:08:56 2009 New Revision: 195231 URL: http://svn.freebsd.org/changeset/base/195231 Log: Fix infinite loop in ng_iface, that happens when packet passes out via two different ng interfaces sequentially due to tunnelling. PR: kern/134557 Submitted by: Mikolaj Golub Approved by: re (kensmith) MFC after: 3 days Modified: head/sys/netgraph/ng_iface.c Modified: head/sys/netgraph/ng_iface.c ============================================================================== --- head/sys/netgraph/ng_iface.c Wed Jul 1 07:37:21 2009 (r195230) +++ head/sys/netgraph/ng_iface.c Wed Jul 1 08:08:56 2009 (r195231) @@ -382,7 +382,8 @@ ng_iface_output(struct ifnet *ifp, struc } /* Protect from deadly infinite recursion. */ - while ((mtag = m_tag_locate(m, MTAG_NGIF, MTAG_NGIF_CALLED, NULL))) { + mtag = NULL; + while ((mtag = m_tag_locate(m, MTAG_NGIF, MTAG_NGIF_CALLED, mtag))) { if (*(struct ifnet **)(mtag + 1) == ifp) { log(LOG_NOTICE, "Loop detected on %s\n", ifp->if_xname); m_freem(m); _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscribe@freebsd.org"
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