Date: Tue, 14 Nov 2017 14:39:38 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r325805 - head/sys/contrib/rdma/krping Message-ID: <201711141439.vAEEdcxT081253@repo.freebsd.org>
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Author: hselasky Date: Tue Nov 14 14:39:37 2017 New Revision: 325805 URL: https://svnweb.freebsd.org/changeset/base/325805 Log: Set the default VNET in krping before calling ifunit_ref(). Else using IPv6 link-local addresses when VIMAGE is enabled will cause a so-called NULL pointer dereferencing issue. Sponsored by: Mellanox Technologies MFC after: 1 week Modified: head/sys/contrib/rdma/krping/krping.c Modified: head/sys/contrib/rdma/krping/krping.c ============================================================================== --- head/sys/contrib/rdma/krping/krping.c Tue Nov 14 14:31:02 2017 (r325804) +++ head/sys/contrib/rdma/krping/krping.c Tue Nov 14 14:39:37 2017 (r325805) @@ -3185,7 +3185,9 @@ krping_get_ipv6_scope_id(char *name) if (name == NULL) return (0); + CURVNET_SET_QUIET(TD_TO_VNET(curthread)); ifp = ifunit_ref(name); + CURVNET_RESTORE(); if (ifp == NULL) return (0); retval = ifp->if_index;
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