From owner-svn-src-all@freebsd.org Wed Feb 6 19:22:16 2019 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 8B22714DC996; Wed, 6 Feb 2019 19:22:16 +0000 (UTC) (envelope-from emaste@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 1E24482782; Wed, 6 Feb 2019 19:22:16 +0000 (UTC) (envelope-from emaste@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 CF0459D75; Wed, 6 Feb 2019 19:22:15 +0000 (UTC) (envelope-from emaste@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x16JMF7M050315; Wed, 6 Feb 2019 19:22:15 GMT (envelope-from emaste@FreeBSD.org) Received: (from emaste@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x16JMFt8050314; Wed, 6 Feb 2019 19:22:15 GMT (envelope-from emaste@FreeBSD.org) Message-Id: <201902061922.x16JMFt8050314@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: emaste set sender to emaste@FreeBSD.org using -f From: Ed Maste Date: Wed, 6 Feb 2019 19:22:15 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r343843 - head/sys/riscv/riscv X-SVN-Group: head X-SVN-Commit-Author: emaste X-SVN-Commit-Paths: head/sys/riscv/riscv X-SVN-Commit-Revision: 343843 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 1E24482782 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.98 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.98)[-0.978,0]; NEURAL_HAM_LONG(-1.00)[-0.999,0] 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, 06 Feb 2019 19:22:16 -0000 Author: emaste Date: Wed Feb 6 19:22:15 2019 New Revision: 343843 URL: https://svnweb.freebsd.org/changeset/base/343843 Log: riscv: default to non-executable stack There's no need to worry about potential backwards compatibility issues in a brand-new architecture, so avoid stack PROT_EXEC as with arm64. Discussed with: br Modified: head/sys/riscv/riscv/elf_machdep.c Modified: head/sys/riscv/riscv/elf_machdep.c ============================================================================== --- head/sys/riscv/riscv/elf_machdep.c Wed Feb 6 18:50:48 2019 (r343842) +++ head/sys/riscv/riscv/elf_machdep.c Wed Feb 6 19:22:15 2019 (r343843) @@ -77,7 +77,7 @@ struct sysentvec elf64_freebsd_sysvec = { .sv_maxuser = VM_MAXUSER_ADDRESS, .sv_usrstack = USRSTACK, .sv_psstrings = PS_STRINGS, - .sv_stackprot = VM_PROT_ALL, + .sv_stackprot = VM_PROT_READ | VM_PROT_WRITE, .sv_copyout_strings = exec_copyout_strings, .sv_setregs = exec_setregs, .sv_fixlimit = NULL,