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Bounds process's stack size with max_stack_size so that 32bit 

binary works regardless of stack size limit setting.
This commit is contained in:
enami 2011-08-08 06:30:43 +00:00
parent e71c0035e7
commit a154f93a37
1 changed files with 4 additions and 3 deletions
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7
sys/kern/exec_subr.c
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@ -1,4 +1,4 @@
/* $NetBSD: exec_subr.c,v 1.69 2011/06/23 23:42:44 matt Exp $ */
/* $NetBSD: exec_subr.c,v 1.70 2011/08/08 06:30:43 enami Exp $ */
/*
* Copyright (c) 1993, 1994, 1996 Christopher G. Demetriou
@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: exec_subr.c,v 1.69 2011/06/23 23:42:44 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: exec_subr.c,v 1.70 2011/08/08 06:30:43 enami Exp $");
#include "opt_pax.h"
@ -404,7 +404,8 @@ exec_setup_stack(struct lwp *l, struct exec_package *epp)
(unsigned long long)epp->ep_minsaddr,
(unsigned long long)max_stack_size));
epp->ep_ssize = l->l_proc->p_rlimit[RLIMIT_STACK].rlim_cur;
epp->ep_ssize = MIN(l->l_proc->p_rlimit[RLIMIT_STACK].rlim_cur,
max_stack_size);
#ifdef PAX_ASLR
pax_aslr_stack(l, epp, &max_stack_size);