From owner-svn-src-all@freebsd.org Sun Mar 12 13:53:14 2017 Return-Path: Delivered-To: svn-src-all@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 94692D092E1; Sun, 12 Mar 2017 13:53:14 +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 mx1.freebsd.org (Postfix) with ESMTPS id 61BD81DB7; Sun, 12 Mar 2017 13:53:14 +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 v2CDrDg4074588; Sun, 12 Mar 2017 13:53:13 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v2CDrDq0074587; Sun, 12 Mar 2017 13:53:13 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201703121353.v2CDrDq0074587@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Sun, 12 Mar 2017 13:53:13 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r315158 - head/sys/vm X-SVN-Group: head 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: 2.1.23 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: Sun, 12 Mar 2017 13:53:14 -0000 Author: kib Date: Sun Mar 12 13:53:13 2017 New Revision: 315158 URL: https://svnweb.freebsd.org/changeset/base/315158 Log: Follow-up to r313690. Fix two missed places where vm_object offset to index calculation should use unsigned shift, to allow handling of full range of unsigned offsets used to create device mappings. Reported and tested by: royger (previous version) Reviewed by: alc (previous version) Sponsored by: The FreeBSD Foundation MFC after: 1 week Modified: head/sys/vm/vm_map.c Modified: head/sys/vm/vm_map.c ============================================================================== --- head/sys/vm/vm_map.c Sun Mar 12 13:51:13 2017 (r315157) +++ head/sys/vm/vm_map.c Sun Mar 12 13:53:13 2017 (r315158) @@ -4122,7 +4122,7 @@ RetryLookup:; * Return the object/offset from this entry. If the entry was * copy-on-write or empty, it has been fixed up. */ - *pindex = OFF_TO_IDX((vaddr - entry->start) + entry->offset); + *pindex = UOFF_TO_IDX((vaddr - entry->start) + entry->offset); *object = entry->object.vm_object; *out_prot = prot; @@ -4203,7 +4203,7 @@ vm_map_lookup_locked(vm_map_t *var_map, * Return the object/offset from this entry. If the entry was * copy-on-write or empty, it has been fixed up. */ - *pindex = OFF_TO_IDX((vaddr - entry->start) + entry->offset); + *pindex = UOFF_TO_IDX((vaddr - entry->start) + entry->offset); *object = entry->object.vm_object; *out_prot = prot;