Date: Tue, 2 Aug 2016 12:18:06 +0000 (UTC) From: "Andrey V. Elsukov" <ae@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r303657 - head/sys/netinet6 Message-ID: <201608021218.u72CI67O024425@repo.freebsd.org>
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Author: ae Date: Tue Aug 2 12:18:06 2016 New Revision: 303657 URL: https://svnweb.freebsd.org/changeset/base/303657 Log: Fix NULL pointer dereference. ro pointer can be NULL when IPSec consumes mbuf. PR: 211486 MFC after: 3 days Modified: head/sys/netinet6/ip6_output.c Modified: head/sys/netinet6/ip6_output.c ============================================================================== --- head/sys/netinet6/ip6_output.c Tue Aug 2 06:36:47 2016 (r303656) +++ head/sys/netinet6/ip6_output.c Tue Aug 2 12:18:06 2016 (r303657) @@ -1058,7 +1058,8 @@ done: * Release the route if using our private route, or if * (with flowtable) we don't have our own reference. */ - if (ro == &ip6route || ro->ro_flags & RT_NORTREF) + if (ro == &ip6route || + (ro != NULL && ro->ro_flags & RT_NORTREF)) RO_RTFREE(ro); return (error);
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