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Sun, 14 Apr 2019 10:18:14 GMT (envelope-from tuexen@FreeBSD.org) Message-Id: <201904141018.x3EAIETP078170@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: tuexen set sender to tuexen@FreeBSD.org using -f From: Michael Tuexen To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r346197 - head/sys/net X-SVN-Group: head X-SVN-Commit-Author: tuexen X-SVN-Commit-Paths: head/sys/net X-SVN-Commit-Revision: 346197 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk X-Loop: FreeBSD.org Sender: owner-src-committers@freebsd.org X-Rspamd-Queue-Id: 2B96B8A10C X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.95 / 15.00]; local_wl_from(0.00)[freebsd.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.95)[-0.948,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] Status: O X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Date: Tue, 03 Sep 2019 14:07:38 -0000 X-Original-Date: Sun, 14 Apr 2019 10:18:14 +0000 (UTC) X-List-Received-Date: Tue, 03 Sep 2019 14:07:38 -0000 Author: tuexen Date: Sun Apr 14 10:18:14 2019 New Revision: 346197 URL: https://svnweb.freebsd.org/changeset/base/346197 Log: 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. Reported by: syzbot+65c676f5248a13753ea0@syzkaller.appspotmail.com Reviewed by: ae@ MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D19898 Modified: head/sys/net/rtsock.c Modified: head/sys/net/rtsock.c ============================================================================== --- head/sys/net/rtsock.c Sun Apr 14 00:06:49 2019 (r346196) +++ head/sys/net/rtsock.c Sun Apr 14 10:18:14 2019 (r346197) @@ -618,6 +618,8 @@ 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 ||