From owner-svn-src-stable@freebsd.org Thu Sep 10 20:34:45 2020 Return-Path: Delivered-To: svn-src-stable@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 BBF693E350D; Thu, 10 Sep 2020 20:34:45 +0000 (UTC) (envelope-from jhb@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) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 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 4BnVxK4W6Rz4cJf; Thu, 10 Sep 2020 20:34:45 +0000 (UTC) (envelope-from jhb@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 7994E18A45; Thu, 10 Sep 2020 20:34:45 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 08AKYjKq044382; Thu, 10 Sep 2020 20:34:45 GMT (envelope-from jhb@FreeBSD.org) Received: (from jhb@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 08AKYjpE044381; Thu, 10 Sep 2020 20:34:45 GMT (envelope-from jhb@FreeBSD.org) Message-Id: <202009102034.08AKYjpE044381@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: jhb set sender to jhb@FreeBSD.org using -f From: John Baldwin Date: Thu, 10 Sep 2020 20:34:45 +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: r365611 - stable/12/sys/riscv/riscv X-SVN-Group: stable-12 X-SVN-Commit-Author: jhb X-SVN-Commit-Paths: stable/12/sys/riscv/riscv X-SVN-Commit-Revision: 365611 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Sep 2020 20:34:45 -0000 Author: jhb Date: Thu Sep 10 20:34:44 2020 New Revision: 365611 URL: https://svnweb.freebsd.org/changeset/base/365611 Log: MFC 363459: Pass the right size to memcpy() when copying the array of FP registers. The size of the containing structure was passed instead of the size of the array. This happened to be harmless as the extra word copied is one we copy in the next line anyway. Modified: stable/12/sys/riscv/riscv/machdep.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/riscv/riscv/machdep.c ============================================================================== --- stable/12/sys/riscv/riscv/machdep.c Thu Sep 10 20:28:43 2020 (r365610) +++ stable/12/sys/riscv/riscv/machdep.c Thu Sep 10 20:34:44 2020 (r365611) @@ -414,7 +414,7 @@ get_fpcontext(struct thread *td, mcontext_t *mcp) KASSERT((curpcb->pcb_fpflags & ~PCB_FP_USERMASK) == 0, ("Non-userspace FPE flags set in get_fpcontext")); memcpy(mcp->mc_fpregs.fp_x, curpcb->pcb_x, - sizeof(mcp->mc_fpregs)); + sizeof(mcp->mc_fpregs.fp_x)); mcp->mc_fpregs.fp_fcsr = curpcb->pcb_fcsr; mcp->mc_fpregs.fp_flags = curpcb->pcb_fpflags; mcp->mc_flags |= _MC_FP_VALID; @@ -441,7 +441,7 @@ set_fpcontext(struct thread *td, mcontext_t *mcp) curpcb = curthread->td_pcb; /* FPE usage is enabled, override registers. */ memcpy(curpcb->pcb_x, mcp->mc_fpregs.fp_x, - sizeof(mcp->mc_fpregs)); + sizeof(mcp->mc_fpregs.fp_x)); curpcb->pcb_fcsr = mcp->mc_fpregs.fp_fcsr; curpcb->pcb_fpflags = mcp->mc_fpregs.fp_flags & PCB_FP_USERMASK; td->td_frame->tf_sstatus |= SSTATUS_FS_CLEAN;