From owner-svn-src-all@freebsd.org Tue Oct 15 14:48:01 2019 Return-Path: Delivered-To: svn-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 651721499B1; Tue, 15 Oct 2019 14:48:01 +0000 (UTC) (envelope-from tuexen@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46syw122yPz4KMT; Tue, 15 Oct 2019 14:48:01 +0000 (UTC) (envelope-from tuexen@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 2559A201AA; Tue, 15 Oct 2019 14:48:01 +0000 (UTC) (envelope-from tuexen@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x9FEm0Qj019243; Tue, 15 Oct 2019 14:48:00 GMT (envelope-from tuexen@FreeBSD.org) Received: (from tuexen@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x9FEm0BN019242; Tue, 15 Oct 2019 14:48:00 GMT (envelope-from tuexen@FreeBSD.org) Message-Id: <201910151448.x9FEm0BN019242@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: tuexen set sender to tuexen@FreeBSD.org using -f From: Michael Tuexen Date: Tue, 15 Oct 2019 14:48:00 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r353563 - stable/12/sys/netinet X-SVN-Group: stable-12 X-SVN-Commit-Author: tuexen X-SVN-Commit-Paths: stable/12/sys/netinet X-SVN-Commit-Revision: 353563 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list 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: , X-List-Received-Date: Tue, 15 Oct 2019 14:48:01 -0000 Author: tuexen Date: Tue Oct 15 14:48:00 2019 New Revision: 353563 URL: https://svnweb.freebsd.org/changeset/base/353563 Log: MFC r353452: Ensure that local variables are reset to their initial value when dealing with error cases in a loop over all remote addresses. This issue was found and reported by OSS_Fuzz in: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18080 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18086 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18121 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18163 Modified: stable/12/sys/netinet/sctp_output.c Modified: stable/12/sys/netinet/sctp_output.c ============================================================================== --- stable/12/sys/netinet/sctp_output.c Tue Oct 15 14:45:33 2019 (r353562) +++ stable/12/sys/netinet/sctp_output.c Tue Oct 15 14:48:00 2019 (r353563) @@ -7872,8 +7872,8 @@ sctp_med_chunk_output(struct sctp_inpcb *inp, int bundle_at, ctl_cnt, no_data_chunks, eeor_mode; unsigned int mtu, r_mtu, omtu, mx_mtu, to_out; int tsns_sent = 0; - uint32_t auth_offset = 0; - struct sctp_auth_chunk *auth = NULL; + uint32_t auth_offset; + struct sctp_auth_chunk *auth; uint16_t auth_keyid; int override_ok = 1; int skip_fill_up = 0; @@ -8068,6 +8068,8 @@ again_one_more_time: } bundle_at = 0; endoutchain = outchain = NULL; + auth = NULL; + auth_offset = 0; no_fragmentflg = 1; one_chunk = 0; if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {