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oops, need to copyinstr() here. how come it worked anyway?

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This commit is contained in:
mrg 1996-08-11 04:05:33 +00:00
parent db019893b4
commit cd658e4447
1 changed files with 4 additions and 3 deletions
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7
sys/kern/kern_xxx.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_xxx.c,v 1.34 1996/08/10 00:23:17 mrg Exp $ */
/* $NetBSD: kern_xxx.c,v 1.35 1996/08/11 04:05:33 mrg Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1993
@ -57,7 +57,7 @@ sys_reboot(p, v, retval)
syscallarg(char *) bootstr;
} */ *uap = v;
int error;
char *bootstr;
char *bootstr, bs[128];
if ((error = suser(p->p_ucred, &p->p_acflag)) != 0)
return (error);
@ -65,7 +65,8 @@ sys_reboot(p, v, retval)
/*
* Only use the boot string if RB_STRING is set.
*/
if (SCARG(uap, opt) & RB_STRING)
if ((SCARG(uap, opt) & RB_STRING) &&
(error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0)) == 0)
bootstr = SCARG(uap, bootstr);
else
bootstr = NULL;