From owner-svn-src-all@freebsd.org Tue Nov 20 00:56:56 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1A0FD113147C; Tue, 20 Nov 2018 00:56:56 +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 TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B45686D83F; Tue, 20 Nov 2018 00:56:55 +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 955841ADA; Tue, 20 Nov 2018 00:56:55 +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 wAK0utn9096919; Tue, 20 Nov 2018 00:56:55 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wAK0utEd096917; Tue, 20 Nov 2018 00:56:55 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201811200056.wAK0utEd096917@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Tue, 20 Nov 2018 00:56:55 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r340659 - in stable/12/sys: kern vm X-SVN-Group: stable-12 X-SVN-Commit-Author: markj X-SVN-Commit-Paths: in stable/12/sys: kern vm X-SVN-Commit-Revision: 340659 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: B45686D83F X-Spamd-Result: default: False [0.34 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-0.01)[-0.012,0]; NEURAL_SPAM_SHORT(0.35)[0.351,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-Rspamd-Server: mx1.freebsd.org 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: Tue, 20 Nov 2018 00:56:56 -0000 Author: markj Date: Tue Nov 20 00:56:54 2018 New Revision: 340659 URL: https://svnweb.freebsd.org/changeset/base/340659 Log: MFC r340205: Avoid specifying VM_PROT_EXECUTE in mappings from pipe_map and exec_map. Modified: stable/12/sys/kern/sys_pipe.c stable/12/sys/vm/vm_kern.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/kern/sys_pipe.c ============================================================================== --- stable/12/sys/kern/sys_pipe.c Tue Nov 20 00:55:51 2018 (r340658) +++ stable/12/sys/kern/sys_pipe.c Tue Nov 20 00:56:54 2018 (r340659) @@ -509,9 +509,8 @@ retry: size = round_page(size); buffer = (caddr_t) vm_map_min(pipe_map); - error = vm_map_find(pipe_map, NULL, 0, - (vm_offset_t *) &buffer, size, 0, VMFS_ANY_SPACE, - VM_PROT_ALL, VM_PROT_ALL, 0); + error = vm_map_find(pipe_map, NULL, 0, (vm_offset_t *)&buffer, size, 0, + VMFS_ANY_SPACE, VM_PROT_RW, VM_PROT_RW, 0); if (error != KERN_SUCCESS) { if ((cpipe->pipe_buffer.buffer == NULL) && (size > SMALL_PIPE_SIZE)) { Modified: stable/12/sys/vm/vm_kern.c ============================================================================== --- stable/12/sys/vm/vm_kern.c Tue Nov 20 00:55:51 2018 (r340658) +++ stable/12/sys/vm/vm_kern.c Tue Nov 20 00:56:54 2018 (r340659) @@ -650,8 +650,8 @@ kmap_alloc_wait(vm_map_t map, vm_size_t size) map->needs_wakeup = TRUE; vm_map_unlock_and_wait(map, 0); } - vm_map_insert(map, NULL, 0, addr, addr + size, VM_PROT_ALL, - VM_PROT_ALL, MAP_ACC_CHARGED); + vm_map_insert(map, NULL, 0, addr, addr + size, VM_PROT_RW, VM_PROT_RW, + MAP_ACC_CHARGED); vm_map_unlock(map); return (addr); }