From owner-svn-src-all@freebsd.org Wed Jun 24 14:47:52 2020 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 74F0535066E; Wed, 24 Jun 2020 14:47:52 +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) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 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 49sQx41Z9Jz4DTD; Wed, 24 Jun 2020 14:47:52 +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 2C3D313784; Wed, 24 Jun 2020 14:47:52 +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 05OElqfY076654; Wed, 24 Jun 2020 14:47:52 GMT (envelope-from tuexen@FreeBSD.org) Received: (from tuexen@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 05OElpnd076653; Wed, 24 Jun 2020 14:47:51 GMT (envelope-from tuexen@FreeBSD.org) Message-Id: <202006241447.05OElpnd076653@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: tuexen set sender to tuexen@FreeBSD.org using -f From: Michael Tuexen Date: Wed, 24 Jun 2020 14:47:51 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r362581 - head/sys/netinet X-SVN-Group: head X-SVN-Commit-Author: tuexen X-SVN-Commit-Paths: head/sys/netinet X-SVN-Commit-Revision: 362581 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: 2.1.33 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: Wed, 24 Jun 2020 14:47:52 -0000 Author: tuexen Date: Wed Jun 24 14:47:51 2020 New Revision: 362581 URL: https://svnweb.freebsd.org/changeset/base/362581 Log: Fix the acconting for fragmented unordered messages when using interleaving. This was reported for the userland stack in https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19321 MFC after: 1 week Modified: head/sys/netinet/sctp_indata.c Modified: head/sys/netinet/sctp_indata.c ============================================================================== --- head/sys/netinet/sctp_indata.c Wed Jun 24 13:52:53 2020 (r362580) +++ head/sys/netinet/sctp_indata.c Wed Jun 24 14:47:51 2020 (r362581) @@ -1111,6 +1111,16 @@ sctp_deliver_reasm_check(struct sctp_tcb *stcb, struct #endif SCTP_STAT_INCR_COUNTER64(sctps_reasmusrmsgs); TAILQ_REMOVE(&strm->uno_inqueue, control, next_instrm); + if (asoc->size_on_all_streams >= control->length) { + asoc->size_on_all_streams -= control->length; + } else { +#ifdef INVARIANTS + panic("size_on_all_streams = %u smaller than control length %u", asoc->size_on_all_streams, control->length); +#else + asoc->size_on_all_streams = 0; +#endif + } + sctp_ucount_decr(asoc->cnt_on_all_streams); control->on_strm_q = 0; } if (control->on_read_q == 0) { @@ -1391,7 +1401,7 @@ sctp_queue_data_for_reasm(struct sctp_tcb *stcb, struc } /* Must be added to the stream-in queue */ if (created_control) { - if (unordered == 0) { + if ((unordered == 0) || (asoc->idata_supported)) { sctp_ucount_incr(asoc->cnt_on_all_streams); } if (sctp_place_control_in_stream(strm, asoc, control)) {