From owner-svn-src-all@freebsd.org Sat Feb 22 11:05:28 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 229CA2385A5; Sat, 22 Feb 2020 11:05:28 +0000 (UTC) (envelope-from kib@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 48PlqC6WzNz4QFG; Sat, 22 Feb 2020 11:05:27 +0000 (UTC) (envelope-from kib@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 DACA32282C; Sat, 22 Feb 2020 11:05:27 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 01MB5RF5077809; Sat, 22 Feb 2020 11:05:27 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 01MB5Rp3077808; Sat, 22 Feb 2020 11:05:27 GMT (envelope-from kib@FreeBSD.org) Message-Id: <202002221105.01MB5Rp3077808@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Sat, 22 Feb 2020 11:05:27 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r358244 - stable/11/sys/kern X-SVN-Group: stable-11 X-SVN-Commit-Author: kib X-SVN-Commit-Paths: stable/11/sys/kern X-SVN-Commit-Revision: 358244 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: Sat, 22 Feb 2020 11:05:28 -0000 Author: kib Date: Sat Feb 22 11:05:27 2020 New Revision: 358244 URL: https://svnweb.freebsd.org/changeset/base/358244 Log: MFC r357983: sem_remove(): add some asserts. Modified: stable/11/sys/kern/sysv_sem.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/kern/sysv_sem.c ============================================================================== --- stable/11/sys/kern/sysv_sem.c Sat Feb 22 11:04:24 2020 (r358243) +++ stable/11/sys/kern/sysv_sem.c Sat Feb 22 11:05:27 2020 (r358244) @@ -550,8 +550,14 @@ sem_remove(int semidx, struct ucred *cred) int i; KASSERT(semidx >= 0 && semidx < seminfo.semmni, - ("semidx out of bounds")); + ("semidx out of bounds")); + mtx_assert(&sem_mtx, MA_OWNED); semakptr = &sema[semidx]; + KASSERT(semakptr->u.__sem_base - sem + semakptr->u.sem_nsems <= semtot, + ("sem_remove: sema %d corrupted sem pointer %p %p %d %d", + semidx, semakptr->u.__sem_base, sem, semakptr->u.sem_nsems, + semtot)); + semakptr->u.sem_perm.cuid = cred ? cred->cr_uid : 0; semakptr->u.sem_perm.uid = cred ? cred->cr_uid : 0; semakptr->u.sem_perm.mode = 0;