@@ -7,6 +7,7 @@
 #include <linux/uaccess.h>
 #include <linux/compat.h>
 #include <asm/unistd.h>
+#include "internal.h"
 
 static bool nsec_valid(long nsec)
 {

@@ -75,14 +76,15 @@ int vfs_utimes(const struct path *path, struct timespec64 *times)
 	return error;
 }
 
-static int do_utimes_path(int dfd, const char __user *filename,
+static int do_utimes_path(int dfd, struct filename *name,
 		struct timespec64 *times, int flags)
 {
 	struct path path;
 	int lookup_flags = 0, error;
 
+	error = -EINVAL;
 	if (flags & ~(AT_SYMLINK_NOFOLLOW | AT_EMPTY_PATH))
-		return -EINVAL;
+		goto out_putname;
 
 	if (!(flags & AT_SYMLINK_NOFOLLOW))
 		lookup_flags |= LOOKUP_FOLLOW;

@@ -90,7 +92,7 @@ static int do_utimes_path(int dfd, const char __user *filename,
 		lookup_flags |= LOOKUP_EMPTY;
 
 retry:
-	error = user_path_at(dfd, filename, lookup_flags, &path);
+	error = filename_lookup(dfd, name, lookup_flags, &path, NULL);
 	if (error)
 		return error;
 

@@ -100,10 +102,17 @@ static int do_utimes_path(int dfd, const char __user *filename,
 		lookup_flags |= LOOKUP_REVAL;
 		goto retry;
 	}
-
+out_putname:
+	if (!IS_ERR(name))
+		putname(name);
 	return error;
 }
 
+int __init kern_utimes(const char *filename, struct timespec64 *tv, int flags)
+{
+	return do_utimes_path(AT_FDCWD, getname_kernel(filename), tv, flags);
+}
+
 static int do_utimes_fd(int fd, struct timespec64 *times, int flags)
 {
 	struct fd f;

@@ -140,7 +149,7 @@ long do_utimes(int dfd, const char __user *filename, struct timespec64 *times,
 {
 	if (filename == NULL && dfd != AT_FDCWD)
 		return do_utimes_fd(dfd, times, flags);
-	return do_utimes_path(dfd, filename, times, flags);
+	return do_utimes_path(dfd, getname(filename), times, flags);
 }
 
 SYSCALL_DEFINE4(utimensat, int, dfd, const char __user *, filename,

@@ -3676,5 +3676,6 @@ int kern_chroot(const char *filename);
 int __init kern_access(const char *filename, int mode);
 int __init kern_chown(const char *filename, uid_t user, gid_t group, int flag);
 int __init kern_chmod(const char *filename, umode_t mode);
+int __init kern_utimes(const char *filename, struct timespec64 *tv, int flags);
 
 #endif /* _LINUX_FS_H */

@@ -110,7 +110,7 @@ static long __init do_utime(char *filename, time64_t mtime)
 	t[1].tv_sec = mtime;
 	t[1].tv_nsec = 0;
 
-	return do_utimes(AT_FDCWD, filename, t, AT_SYMLINK_NOFOLLOW);
+	return kern_utimes(filename, t, 0);
 }
 
 static __initdata LIST_HEAD(dir_list);