Module Name: src
Committed By: martin
Date: Mon Nov 19 15:01:17 UTC 2012
Modified Files:
src/sys/kern: vfs_syscalls.c
Log Message:
Use copyout to copy data from kernel out to userland!
Fixes PR kern/47217.
To generate a diff of this commit:
cvs rdiff -u -r1.460 -r1.461 src/sys/kern/vfs_syscalls.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/kern/vfs_syscalls.c
diff -u src/sys/kern/vfs_syscalls.c:1.460 src/sys/kern/vfs_syscalls.c:1.461
--- src/sys/kern/vfs_syscalls.c:1.460 Sun Nov 18 17:41:53 2012
+++ src/sys/kern/vfs_syscalls.c Mon Nov 19 15:01:17 2012
@@ -1,4 +1,4 @@
-/* $NetBSD: vfs_syscalls.c,v 1.460 2012/11/18 17:41:53 manu Exp $ */
+/* $NetBSD: vfs_syscalls.c,v 1.461 2012/11/19 15:01:17 martin Exp $ */
/*-
* Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -70,7 +70,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vfs_syscalls.c,v 1.460 2012/11/18 17:41:53 manu Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vfs_syscalls.c,v 1.461 2012/11/19 15:01:17 martin Exp $");
#ifdef _KERNEL_OPT
#include "opt_fileassoc.h"
@@ -3115,14 +3115,19 @@ sys_fstatat(struct lwp *l, const struct
syscallarg(int) flag;
} */
unsigned int nd_flag;
+ struct stat sb;
+ int error;
if (SCARG(uap, flag) & AT_SYMLINK_NOFOLLOW)
nd_flag = NOFOLLOW;
else
nd_flag = FOLLOW;
- return do_sys_statat(l, SCARG(uap, fd), SCARG(uap, path), nd_flag,
- SCARG(uap, buf));
+ error = do_sys_statat(l, SCARG(uap, fd), SCARG(uap, path), nd_flag,
+ &sb);
+ if (error)
+ return error;
+ return copyout(&sb, SCARG(uap, buf), sizeof(sb));
}
/*
