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Fix lossage when transferring a pointer value into an off_t var.

This commit is contained in:
pk 2000-06-01 18:30:03 +00:00
parent 1d7db13f9f
commit e1859436f1
1 changed files with 9 additions and 7 deletions
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16
sys/kern/kern_sysctl.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_sysctl.c,v 1.67 2000/06/01 13:36:51 simonb Exp $ */
/* $NetBSD: kern_sysctl.c,v 1.68 2000/06/01 18:30:03 pk Exp $ */
/*-
* Copyright (c) 1982, 1986, 1989, 1993
@ -1335,6 +1335,7 @@ sysctl_procargs(name, namelen, where, sizep, up)
pid_t pid;
int nargv, type, error, i;
char *arg;
char *tmp;
if (namelen != 2)
return (EINVAL);
@ -1425,16 +1426,17 @@ sysctl_procargs(name, namelen, where, sizep, up)
* Now read the address of the argument vector.
*/
switch (type) {
case KERN_PROC_ARGV:
case KERN_PROC_ARGV:
/* XXX compat32 stuff here */
memcpy(&auio.uio_offset, (char *)&pss + p->p_psargv,
sizeof(auio.uio_offset));
memcpy(&tmp, (char *)&pss + p->p_psargv, sizeof(tmp));
break;
case KERN_PROC_ENV:
memcpy(&auio.uio_offset, (char *)&pss + p->p_psenv,
sizeof(auio.uio_offset));
case KERN_PROC_ENV:
memcpy(&tmp, (char *)&pss + p->p_psenv, sizeof(tmp));
break;
default:
return (EINVAL);
}
auio.uio_offset = (off_t)(long)tmp;
aiov.iov_base = &argv;
aiov.iov_len = sizeof(argv);
auio.uio_iov = &aiov;