[patch 58/94] [PATCH 27/44] [CVE-2009-0029] System call wrapperspart 17

From: Greg KH
Date: Thu Jan 15 2009 - 15:38:07 EST


2.6.28-stable review patch. If anyone has any objections, please let us know.

------------------

From: Heiko Carstens <heiko.carstens@xxxxxxxxxx>

commit ca013e945b1ba5828b151ee646946f1297b67a4c upstream.

Signed-off-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
fs/open.c | 16 +++++++---------
kernel/uid16.c | 6 +++---
2 files changed, 10 insertions(+), 12 deletions(-)

--- a/fs/open.c
+++ b/fs/open.c
@@ -522,7 +522,7 @@ out:
return res;
}

-asmlinkage long sys_access(const char __user *filename, int mode)
+SYSCALL_DEFINE2(access, const char __user *, filename, int, mode)
{
return sys_faccessat(AT_FDCWD, filename, mode);
}
@@ -693,7 +693,7 @@ static int chown_common(struct dentry *
return error;
}

-asmlinkage long sys_chown(const char __user * filename, uid_t user, gid_t group)
+SYSCALL_DEFINE3(chown, const char __user *, filename, uid_t, user, gid_t, group)
{
struct path path;
int error;
@@ -737,7 +737,7 @@ out:
return error;
}

-asmlinkage long sys_lchown(const char __user * filename, uid_t user, gid_t group)
+SYSCALL_DEFINE3(lchown, const char __user *, filename, uid_t, user, gid_t, group)
{
struct path path;
int error;
@@ -756,8 +756,7 @@ out:
return error;
}

-
-asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group)
+SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group)
{
struct file * file;
int error = -EBADF;
@@ -1048,7 +1047,7 @@ long do_sys_open(int dfd, const char __u
return fd;
}

-asmlinkage long sys_open(const char __user *filename, int flags, int mode)
+SYSCALL_DEFINE3(open, const char __user *, filename, int, flags, int, mode)
{
long ret;

@@ -1117,7 +1116,7 @@ EXPORT_SYMBOL(filp_close);
* releasing the fd. This ensures that one clone task can't release
* an fd while another clone is opening it.
*/
-asmlinkage long sys_close(unsigned int fd)
+SYSCALL_DEFINE1(close, unsigned int, fd)
{
struct file * filp;
struct files_struct *files = current->files;
@@ -1150,14 +1149,13 @@ out_unlock:
spin_unlock(&files->file_lock);
return -EBADF;
}
-
EXPORT_SYMBOL(sys_close);

/*
* This routine simulates a hangup on the tty, to arrange that users
* are given clean terminals at login time.
*/
-asmlinkage long sys_vhangup(void)
+SYSCALL_DEFINE0(vhangup)
{
if (capable(CAP_SYS_TTY_CONFIG)) {
tty_vhangup_self();
--- a/kernel/uid16.c
+++ b/kernel/uid16.c
@@ -17,7 +17,7 @@

#include <asm/uaccess.h>

-asmlinkage long sys_chown16(const char __user * filename, old_uid_t user, old_gid_t group)
+SYSCALL_DEFINE3(chown16, const char __user *, filename, old_uid_t, user, old_gid_t, group)
{
long ret = sys_chown(filename, low2highuid(user), low2highgid(group));
/* avoid REGPARM breakage on x86: */
@@ -25,7 +25,7 @@ asmlinkage long sys_chown16(const char _
return ret;
}

-asmlinkage long sys_lchown16(const char __user * filename, old_uid_t user, old_gid_t group)
+SYSCALL_DEFINE3(lchown16, const char __user *, filename, old_uid_t, user, old_gid_t, group)
{
long ret = sys_lchown(filename, low2highuid(user), low2highgid(group));
/* avoid REGPARM breakage on x86: */
@@ -33,7 +33,7 @@ asmlinkage long sys_lchown16(const char
return ret;
}

-asmlinkage long sys_fchown16(unsigned int fd, old_uid_t user, old_gid_t group)
+SYSCALL_DEFINE3(fchown16, unsigned int, fd, old_uid_t, user, old_gid_t, group)
{
long ret = sys_fchown(fd, low2highuid(user), low2highgid(group));
/* avoid REGPARM breakage on x86: */

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