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Fix off-by-one, we don't want the entry point to equal the maximum 

address.
This commit is contained in:
maxv 2018-02-23 19:43:08 +00:00
parent 128a58ec1f
commit fb601e36f3
1 changed files with 4 additions and 4 deletions
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8
sys/kern/kern_exec.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_exec.c,v 1.455 2018/01/09 20:55:43 maya Exp $ */
/* $NetBSD: kern_exec.c,v 1.456 2018/02/23 19:43:08 maxv Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
@ -59,7 +59,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_exec.c,v 1.455 2018/01/09 20:55:43 maya Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_exec.c,v 1.456 2018/02/23 19:43:08 maxv Exp $");
#include "opt_exec.h"
#include "opt_execfmt.h"
@ -430,10 +430,10 @@ check_exec(struct lwp *l, struct exec_package *epp, struct pathbuf *pb)
if (!newerror) {
/* Seems ok: check that entry point is not too high */
if (epp->ep_entry > epp->ep_vm_maxaddr) {
if (epp->ep_entry >= epp->ep_vm_maxaddr) {
#ifdef DIAGNOSTIC
printf("%s: rejecting %p due to "
"too high entry address (> %p)\n",
"too high entry address (>= %p)\n",
__func__, (void *)epp->ep_entry,
(void *)epp->ep_vm_maxaddr);
#endif