diff options
| -rw-r--r-- | sys/kern/kern_descrip.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c index 814d4f60cc1..59ca95ae4d8 100644 --- a/sys/kern/kern_descrip.c +++ b/sys/kern/kern_descrip.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_descrip.c,v 1.7 1996/09/04 22:33:48 niklas Exp $ */ +/* $OpenBSD: kern_descrip.c,v 1.8 1996/10/26 07:31:48 tholo Exp $ */ /* $NetBSD: kern_descrip.c,v 1.42 1996/03/30 22:24:38 christos Exp $ */ /* @@ -314,6 +314,13 @@ sys_fcntl(p, v, retval) return (error); if (fl.l_whence == SEEK_CUR) fl.l_start += fp->f_offset; + if (fl.l_start < 0) + return (EINVAL); + if (fl.l_type != F_RDLCK && + fl.l_type != F_WRLCK && + fl.l_type != F_UNLCK && + fl.l_type != 0) + return (EINVAL); error = VOP_ADVLOCK(vp, (caddr_t)p, F_GETLK, &fl, F_POSIX); if (error) return (error); |