From owner-svn-src-head@freebsd.org Sat Sep 9 20:44:57 2017 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7E82BE0913D; Sat, 9 Sep 2017 20:44:57 +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 mx1.freebsd.org (Postfix) with ESMTPS id 4B4917CE94; Sat, 9 Sep 2017 20:44:57 +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 v89KiuWJ012267; Sat, 9 Sep 2017 20:44:56 GMT (envelope-from tuexen@FreeBSD.org) Received: (from tuexen@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v89KiuxX012266; Sat, 9 Sep 2017 20:44:56 GMT (envelope-from tuexen@FreeBSD.org) Message-Id: <201709092044.v89KiuxX012266@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: tuexen set sender to tuexen@FreeBSD.org using -f From: Michael Tuexen Date: Sat, 9 Sep 2017 20:44:56 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r323376 - head/sys/netinet X-SVN-Group: head X-SVN-Commit-Author: tuexen X-SVN-Commit-Paths: head/sys/netinet X-SVN-Commit-Revision: 323376 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 09 Sep 2017 20:44:57 -0000 Author: tuexen Date: Sat Sep 9 20:44:56 2017 New Revision: 323376 URL: https://svnweb.freebsd.org/changeset/base/323376 Log: Fix locking issues found by Coverity scanning the usrsctp library. MFC after: 3 days Modified: head/sys/netinet/sctp_usrreq.c Modified: head/sys/netinet/sctp_usrreq.c ============================================================================== --- head/sys/netinet/sctp_usrreq.c Sat Sep 9 20:14:18 2017 (r323375) +++ head/sys/netinet/sctp_usrreq.c Sat Sep 9 20:44:56 2017 (r323376) @@ -1959,6 +1959,7 @@ flags_out: SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error); } else { id->assoc_value = stcb->asoc.vrf_id; + SCTP_TCB_UNLOCK(stcb); *optsize = sizeof(struct sctp_assoc_value); } break; @@ -3063,7 +3064,6 @@ flags_out: if (event_type > 0) { if (stcb) { event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type); - SCTP_TCB_UNLOCK(stcb); } else { if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) || (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) || @@ -3077,6 +3077,9 @@ flags_out: } } } + if (stcb != NULL) { + SCTP_TCB_UNLOCK(stcb); + } if (error == 0) { *optsize = sizeof(struct sctp_event); } @@ -3647,12 +3650,16 @@ flags_out: sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0]; sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0]; #endif - SCTP_TCB_UNLOCK(stcb); - *optsize = sizeof(struct sctp_prstatus); } else { SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); error = EINVAL; } + if (stcb != NULL) { + SCTP_TCB_UNLOCK(stcb); + } + if (error == 0) { + *optsize = sizeof(struct sctp_prstatus); + } break; } case SCTP_PR_ASSOC_STATUS: @@ -3675,11 +3682,15 @@ flags_out: sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy]; sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy]; } - SCTP_TCB_UNLOCK(stcb); - *optsize = sizeof(struct sctp_prstatus); } else { SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); error = EINVAL; + } + if (stcb != NULL) { + SCTP_TCB_UNLOCK(stcb); + } + if (error == 0) { + *optsize = sizeof(struct sctp_prstatus); } break; }