svn commit: r347123 - stable/12/sys/net
Michael Tuexen
tuexen at FreeBSD.org
Sat May 4 13:05:22 UTC 2019
Author: tuexen
Date: Sat May 4 13:05:21 2019
New Revision: 347123
URL: https://svnweb.freebsd.org/changeset/base/347123
Log:
MFC r346197:
When sending a routing message, don't allow the user to set the
RTF_RNH_LOCKED flag in rtm_flags, since this flag is used only
internally.
Reviewed by: ae@
Differential Revision: https://reviews.freebsd.org/D19898
Modified:
stable/12/sys/net/rtsock.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/net/rtsock.c
==============================================================================
--- stable/12/sys/net/rtsock.c Sat May 4 13:02:46 2019 (r347122)
+++ stable/12/sys/net/rtsock.c Sat May 4 13:05:21 2019 (r347123)
@@ -615,6 +615,8 @@ route_output(struct mbuf *m, struct socket *so, ...)
if (rt_xaddrs((caddr_t)(rtm + 1), len + (caddr_t)rtm, &info))
senderr(EINVAL);
+ if (rtm->rtm_flags & RTF_RNH_LOCKED)
+ senderr(EINVAL);
info.rti_flags = rtm->rtm_flags;
if (info.rti_info[RTAX_DST] == NULL ||
info.rti_info[RTAX_DST]->sa_family >= AF_MAX ||
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