From owner-svn-src-stable@FreeBSD.ORG Thu Jul 9 13:48:07 2009 Return-Path: Delivered-To: svn-src-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 55EA2106566B; Thu, 9 Jul 2009 13:48:07 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 3A7E18FC2A; Thu, 9 Jul 2009 13:48:07 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id n69Dm7lT086804; Thu, 9 Jul 2009 13:48:07 GMT (envelope-from avg@svn.freebsd.org) Received: (from avg@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id n69Dm7ON086801; Thu, 9 Jul 2009 13:48:07 GMT (envelope-from avg@svn.freebsd.org) Message-Id: <200907091348.n69Dm7ON086801@svn.freebsd.org> From: Andriy Gapon Date: Thu, 9 Jul 2009 13:48:07 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org X-SVN-Group: stable-7 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r195492 - in stable/7/sys: . cddl/dev/dtrace/amd64 contrib/pf X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.5 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, 09 Jul 2009 13:48:08 -0000 Author: avg Date: Thu Jul 9 13:48:06 2009 New Revision: 195492 URL: http://svn.freebsd.org/changeset/base/195492 Log: MFC 194850: dtrace/amd64: fix virtual address checks Modified: stable/7/sys/ (props changed) stable/7/sys/cddl/dev/dtrace/amd64/dtrace_isa.c stable/7/sys/cddl/dev/dtrace/amd64/dtrace_subr.c stable/7/sys/contrib/pf/ (props changed) Modified: stable/7/sys/cddl/dev/dtrace/amd64/dtrace_isa.c ============================================================================== --- stable/7/sys/cddl/dev/dtrace/amd64/dtrace_isa.c Thu Jul 9 13:42:18 2009 (r195491) +++ stable/7/sys/cddl/dev/dtrace/amd64/dtrace_isa.c Thu Jul 9 13:48:06 2009 (r195492) @@ -42,8 +42,6 @@ #include #include -extern uintptr_t kernbase; -uintptr_t kernelbase = (uintptr_t) &kernbase; uint8_t dtrace_fuword8_nocheck(void *); uint16_t dtrace_fuword16_nocheck(void *); @@ -524,9 +522,9 @@ dtrace_getreg(struct regs *rp, uint_t re static int dtrace_copycheck(uintptr_t uaddr, uintptr_t kaddr, size_t size) { - ASSERT(kaddr >= kernelbase && kaddr + size >= kaddr); + ASSERT(INKERNEL(kaddr) && kaddr + size >= kaddr); - if (uaddr + size >= kernelbase || uaddr + size < uaddr) { + if (uaddr + size > VM_MAXUSER_ADDRESS || uaddr + size < uaddr) { DTRACE_CPUFLAG_SET(CPU_DTRACE_BADADDR); cpu_core[curcpu].cpuc_dtrace_illval = uaddr; return (0); @@ -570,7 +568,7 @@ dtrace_copyoutstr(uintptr_t kaddr, uintp uint8_t dtrace_fuword8(void *uaddr) { - if ((uintptr_t)uaddr >= kernelbase) { + if ((uintptr_t)uaddr > VM_MAXUSER_ADDRESS) { DTRACE_CPUFLAG_SET(CPU_DTRACE_BADADDR); cpu_core[curcpu].cpuc_dtrace_illval = (uintptr_t)uaddr; return (0); @@ -581,7 +579,7 @@ dtrace_fuword8(void *uaddr) uint16_t dtrace_fuword16(void *uaddr) { - if ((uintptr_t)uaddr >= kernelbase) { + if ((uintptr_t)uaddr > VM_MAXUSER_ADDRESS) { DTRACE_CPUFLAG_SET(CPU_DTRACE_BADADDR); cpu_core[curcpu].cpuc_dtrace_illval = (uintptr_t)uaddr; return (0); @@ -592,7 +590,7 @@ dtrace_fuword16(void *uaddr) uint32_t dtrace_fuword32(void *uaddr) { - if ((uintptr_t)uaddr >= kernelbase) { + if ((uintptr_t)uaddr > VM_MAXUSER_ADDRESS) { DTRACE_CPUFLAG_SET(CPU_DTRACE_BADADDR); cpu_core[curcpu].cpuc_dtrace_illval = (uintptr_t)uaddr; return (0); @@ -603,7 +601,7 @@ dtrace_fuword32(void *uaddr) uint64_t dtrace_fuword64(void *uaddr) { - if ((uintptr_t)uaddr >= kernelbase) { + if ((uintptr_t)uaddr > VM_MAXUSER_ADDRESS) { DTRACE_CPUFLAG_SET(CPU_DTRACE_BADADDR); cpu_core[curcpu].cpuc_dtrace_illval = (uintptr_t)uaddr; return (0); Modified: stable/7/sys/cddl/dev/dtrace/amd64/dtrace_subr.c ============================================================================== --- stable/7/sys/cddl/dev/dtrace/amd64/dtrace_subr.c Thu Jul 9 13:42:18 2009 (r195491) +++ stable/7/sys/cddl/dev/dtrace/amd64/dtrace_subr.c Thu Jul 9 13:48:06 2009 (r195492) @@ -40,7 +40,6 @@ #include #include -extern uintptr_t kernelbase; extern uintptr_t dtrace_in_probe_addr; extern int dtrace_in_probe;