From owner-svn-src-all@freebsd.org Wed Oct 23 16:53:38 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 290E315803E; Wed, 23 Oct 2019 16:53:38 +0000 (UTC) (envelope-from markj@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 46yxKG0LL8z4MB9; Wed, 23 Oct 2019 16:53:38 +0000 (UTC) (envelope-from markj@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 E3CD027830; Wed, 23 Oct 2019 16:53:37 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x9NGrbmT038862; Wed, 23 Oct 2019 16:53:37 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x9NGrbiO038861; Wed, 23 Oct 2019 16:53:37 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201910231653.x9NGrbiO038861@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Wed, 23 Oct 2019 16:53:37 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r353935 - head/sys/dev/ksyms X-SVN-Group: head X-SVN-Commit-Author: markj X-SVN-Commit-Paths: head/sys/dev/ksyms X-SVN-Commit-Revision: 353935 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: Wed, 23 Oct 2019 16:53:38 -0000 Author: markj Date: Wed Oct 23 16:53:37 2019 New Revision: 353935 URL: https://svnweb.freebsd.org/changeset/base/353935 Log: Set OBJ_NOSPLIT on the ksyms(4) VM object. The object does not provide anonymous memory. Reported by: kib Reviewed by: kib MFC after: 3 days Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D22123 Modified: head/sys/dev/ksyms/ksyms.c Modified: head/sys/dev/ksyms/ksyms.c ============================================================================== --- head/sys/dev/ksyms/ksyms.c Wed Oct 23 16:48:22 2019 (r353934) +++ head/sys/dev/ksyms/ksyms.c Wed Oct 23 16:53:37 2019 (r353935) @@ -404,6 +404,7 @@ ksyms_open(struct cdev *dev, int flags, int fmt __unus { struct tsizes ts; struct ksyms_softc *sc; + vm_object_t object; vm_size_t elfsz; int error, try; @@ -441,8 +442,10 @@ ksyms_open(struct cdev *dev, int flags, int fmt __unus ksyms_size_calc(&ts); elfsz = sizeof(struct ksyms_hdr) + ts.ts_symsz + ts.ts_strsz; - sc->sc_obj = vm_object_allocate(OBJT_DEFAULT, + object = vm_object_allocate(OBJT_DEFAULT, OFF_TO_IDX(round_page(elfsz))); + vm_object_set_flag(object, OBJ_NOSPLIT); + sc->sc_obj = object; sc->sc_objsz = elfsz; error = ksyms_snapshot(sc, &ts);