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Stack buffers mustn't escape their scope. PR 54326 from David Binderman

This commit is contained in:
dholland 2019-07-03 18:24:50 +00:00
parent 2247b7936d
commit 51c5c5e8ad
1 changed files with 3 additions and 4 deletions
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7
sys/compat/sunos/sunos_misc.c
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@ -1,4 +1,4 @@
/* $NetBSD: sunos_misc.c,v 1.172 2018/09/03 16:29:30 riastradh Exp $ */
/* $NetBSD: sunos_misc.c,v 1.173 2019/07/03 18:24:50 dholland Exp $ */
/*
* Copyright (c) 1992, 1993
@ -50,7 +50,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sunos_misc.c,v 1.172 2018/09/03 16:29:30 riastradh Exp $");
__KERNEL_RCSID(0, "$NetBSD: sunos_misc.c,v 1.173 2019/07/03 18:24:50 dholland Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -1013,6 +1013,7 @@ sunos_sys_reboot(struct lwp *l, const struct sunos_sys_reboot_args *uap, registe
struct sunos_howto_conv *convp;
int error, bsd_howto, sun_howto;
char *bootstr;
char bs[128];
if ((error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_REBOOT,
0, NULL, NULL, NULL)) != 0)
@ -1036,8 +1037,6 @@ sunos_sys_reboot(struct lwp *l, const struct sunos_sys_reboot_args *uap, registe
* next booted kernel.
*/
if (sun_howto & SUNOS_RB_STRING) {
char bs[128];
error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0);
if (error)